dfgdfg

　　Chapter I General Provisions

　　1. Planning guiding ideology

　　We will fully implement the spirit of the 19th National Congress of the Communist Party of China, the Central Urbanization Work Conference and the Central Urban Work Conference, always adhere to the people-centered principle, actively respond to the construction of the Grand Canal Cultural Belt and the Grand Canal National Cultural Park, effectively protect Huai ‘an historical and cultural city and various cultural heritages, continuously improve the urban and rural living environment, meet the material and spiritual needs of modern social clubs, enhance the cultural characteristics and vitality of cities, enhance the people’s sense of acquisition, and promote the comprehensive, coordinated and sustainable development of urban economy and society.

　　2. Protect the target

　　● 1. Concise the value connotation of historical and cultural cities.

　　● 2. Improve the protection system of historical and cultural cities.

　　● 3. Combination of overall protection and key protection.

　　● 4. Systematically improve the living environment of historic city.

　　5. Make protection and repair plans according to local conditions.

　　3. Planning scope

　　The planning scope is Huai ‘an city, including Huai ‘an District, Qingjiangpu District, Huaiyin District, Hongze District, Lianshui County, Xuyi County and Jinhu County.

　　4. Planning period

　　The planning period is 2020-2035, with the short term to 2025 and the long term to 2035.

　　Chapter II Value of Famous Cities

　　5. Value of famous cities

　　It has witnessed the historical process of human reproduction, geographical changes and settlement changes in the lower reaches of Huaihe River, and is an important carrier that retains multiple historical information.

　　As the center connecting the north and south rivers and waterways, it played an important role in maintaining the economic lifeline of the feudal empire and witnessed the unique cultural tradition of waterway transportation in ancient China.

　　The port transport project, represented by Qingkou Hub, has solved the problem that the Grand Canal of China will cross the Yellow River, reflecting the superb technology of water conservancy project survey, design, construction and maintenance in ancient China.

　　The unique pattern of connecting the three cities, reflecting the beauty of the sea and the sea, embodies the wisdom of ancient scholars in running the city by taking the law naturally and adapting to local conditions.

　　Huai ‘an is the hometown of Premier Zhou Enlai, an important carrier to carry forward the spirit of Zhou Enlai, and it has nurtured a brave cultural tradition and a dignified and heroic revolutionary spirit.

　　It shows the historical urban landscape and traditional street pattern formed in the process of continuous evolution, and embodies the architectural art and aesthetic interest with both North and South characteristics.

　　Chapter III Protection System

　　6. Protection system

　　Adhere to the concept of overall protection, and establish a protection system of five levels, namely, city area, urban area, historical city area, historical and cultural blocks and lots, cultural relics and historic buildings, and two parts, namely, material cultural heritage and intangible cultural heritage.

　　The scope of city-level protection is Huai ‘an City, including Huai ‘an District, Qingjiangpu District, Huaiyin District, Hongze District, Lianshui County, Xuyi County and Jinhu County.

　　The urban level protection scope is Huai ‘an urban area, including Huai ‘an District, Qingjiangpu District, Huaiyin District and Hongze District.

　　The level protection scope of the historical urban area is Chuzhou Avenue in the east, Jianhe River in the south, Wenqu, the southeast shore of Xiaohu and the Li Canal in the west, and Xiangyu Avenue in the north, with a total area of about 5.6 square kilometers. The scope of the environmental coordination area of the historic city is the expansion of the historic city to Chengxi North Road and Li Canal in the west, with a total area of about 1.5 square kilometers.

　　Chapter IV Protection and Utilization of Municipal History and Culture

　　Section 1 Natural environment related to history and culture

　　7. Mountain

　　Protect the mountains in the Dabie Mountains in the southwest of Xuyi, protect the mountains such as QingNiu Shan, Xiangshan, Qidashan, First Mountain, Tiantai Mountain, Duliang Mountain, Mopan Mountain, Miaoshan Mountain and Laojun Mountain in Xuyi, and protect the mountains such as Dayun Mountain in the east of Xuyi.

　　8. Water system

　　Protection of the Grand Canal, Huaihe River, Huaihe River into the river channel, Huaihe River into the sea channel, the main irrigation canal in northern Jiangsu, the old Yellow River, Huai Shu Xin He Er He, Yan He and other river systems. Promote the ecological management of rivers, strengthen the pollution prevention and control of river sections flowing through rural areas, form the structure of natural water ecosystem, and enhance the ecological corridor function of rivers. Protect the water bodies of Hongze Lake, Baima Lake, gaoyou lake, baoying lake and Lixiahe Lake. Protect the original ecological natural coastline, moderately develop the recreational function coastline, and strengthen the construction of shelterbelt along the lake.

　　Section 2 Huai ‘an Section of the Grand Canal

　　9. World Cultural Heritage of the Grand Canal

　　Protect the world cultural heritage of the Grand Canal, such as the Qingkou hub area and the ruins area of the Governor’s Office of Grain Transportation.

　　10. Cultural Heritage of the Grand Canal

　　Protect the Grand Canal rivers, hydraulic relics, all kinds of associated historical relics, historical blocks, villages and towns and related environmental landscapes other than the World Cultural Heritage of the Grand Canal.

　　Chapter V Protection and Utilization of Urban History and Culture

　　11, protect the target

　　● 1. Holistic protection of historical and cultural settlements

　　● 2. Regional protection highlights the historical city.

　　● 3. Connecting all kinds of heritages in series with historical rivers.

　　● 4. Differentiate and set the partition guidance strategy.

　　12. Spatial structure

　　Protect the historical and cultural heritage and its dependent natural environment in the urban area as a whole, show the historical context accumulated in different historical periods, highlight the characteristics and values of famous cities, and form "three cores and two axes; Four-zone and multi-point protection space structure. The "three cores" are the historical and cultural protection cores of Huai ‘an Ancient City, Qingjiang Pucheng and Qingkou Hub; The "two axes" are the historical and cultural protection axes of the Grand Canal and the old Huaihe-Yellow River; "Four Districts" are the historical and cultural divisions of Huai ‘an District, Qingjiangpu District, Huaiyin District and Hongze District; "Multi-point" refers to the settlement of many historical towns along the Grand Canal and the old Huaihe-Yellow River Road.

　　Chapter VI Protection and Utilization of Historic Cities

　　13, protect the target

　　● Pattern protection: protect the overall pattern of "three cities are connected, the central axis is symmetrical, and the sea is beautiful".

　　● Style protection: protect the traditional style and features of North-South integration, combination of rigidity and flexibility, and blue bricks and gray tiles.

　　● Road traffic: form a slow-moving, green and intensive ancient city traffic system.

　　● Living environment: build a high-quality living environment with people-oriented and convenient service.

　　● Municipal engineering: to build a modern infrastructure that meets the protection requirements and has perfect functions and intensive wisdom.

　　● Safety and toughness: build a safe and reliable disaster prevention and environmental protection system with perfect management.

　　14. Spatial structure

　　Form an overall structure of "three cities, one axis, three lakes and one canal". "Three cities" is the overall structure of the triple city formed by Huai ‘an old city, joint city and new city; "One axis" is the north-south central axis of "Nanmen Street-Zhenhuai House-the site of Governor’s Water Transportation Office-Huai ‘an Government Office-Taohuayun-Gumukou Site" which runs through Sanlian City. "Three Lakes" are Moon Lake, Shao Lake and Xiao Lake, and "One Canal" is Wenqu.

　　15. Overall pattern

　　Protect the overall spatial pattern of "three cities are connected, the sea is beautiful, and the axis is symmetrical" composed of "city, river, lake and street" and important historical spatial node elements.

　　16, display system

　　1. Greenway around the city

　　Combined with the ruins of the city wall, a greenway around the city with a total length of about 12 kilometers was built with Xiangyu Avenue, Chuzhou Avenue, Beimen Street, Yonghuai Road and Nanxun Road as carriers. Connect the city wall ruins park, Qingcheng Gate ruins park, Lanyunmen city wall ruins, Gumukou Park, Shaohu Lake and Yuehu Lake in series to show the unique pattern of "three cities connected" in the historical city.

　　2. Water Green Network

　　The Wenqu River is connected in series with water systems such as "Three Lakes and One Yin" and Jianhe River, and the waterfront green space is set up to form a water green network covering the historical city. It is connected with important historical and cultural resources such as Zhou Enlai’s former residence, Wentong Tower, bronze bell, Zhenhuai House, Guan Tianpei Temple and Dongyue Temple, and a number of viewing nodes are built to show the historical pattern of "three wonders embracing each other, and the harmony between the sea and the sea" in the historical city, as well as the ancient literati taking the method.

　　3. Historical streets and lanes

　　Systematically rectify historical streets and lanes, improve the pedestrian space environment, form a complete pedestrian space network, and connect the greenway around the city with the historical water system. Add a sign system to enhance the vitality of streets and lanes, and show the historical urban landscape and traditional street and lane pattern formed in the historical process of continuous evolution.

　　4. Historical axis

　　Renovation of "Huai ‘an Government Office — Ruins of the Governor’s Office of Grain Transportation — Zhenhuai House — Nanmen Street — The interface between the two sides of the central axis of the old city of Yingxunmen highlights the urban pattern of "central axis symmetry" in the historical city and shows the historical urban landscape and traditional street pattern formed in the historical process of continuous evolution.

　　5. Business card space

　　Focus on shaping the business card space of Gumukou, Zhou Enlai Memorial Hall, Wentong Tower, Caoyun Square, Zhenhuai House, Huai ‘an Government Office, City Wall Ruins Park, Longguangge and Liyun, select the overlooking nodes in the open public space, optimize the visual field landscape, and show the architectural art and aesthetic interest of the historical city with the north-south characteristics formed in the historical process of continuous evolution.

　　Chapter VII Protection and Utilization of Historical and Cultural Blocks

　　17. Historical and Cultural Blocks of Hexia Ancient Town

　　Protect the traditional street pattern and spatial form of historical and cultural blocks in Hexia ancient town. Protect the history of Hexia ancient townCultural protection units and historical buildings at all levels in the cultural block. Protect the historical features of the historical and cultural blocks of Hexia ancient town and the historical and environmental elements such as rivers, revetments, houses, gardens, brick carvings and ancient trees.

　　18. Xuma Lane — Longwo Lane — Shangbanjie historical and cultural block

　　Protect Xu Ma Lane — Longwo Lane — The overall spatial pattern and morphological characteristics of Shangban Street historical and cultural block. Protect cultural protection units and historical buildings at all levels such as Zhou Enlai’s former residence in the block. Protect historical environmental elements such as historical streets, docks, revetments, ancient bridges, ancient and famous trees, and cultural canals in the block. Protect intangible cultural relics with red culture as the core.

　　Chapter VIII Protection and Utilization of Cultural Relics and Historic Buildings

　　19, cultural relics protection units

　　According to "People’s Republic of China (PRC) Cultural Relics Protection Law" and "People’s Republic of China (PRC) Cultural Relics Protection Regulations".In-situ protection, delimit the protection scope and construction control zone of cultural relics protection units. It is not allowed to change the original condition, appearance and environment of cultural relics. If necessary repairs are needed, the principle of "not changing the original state" should be followed under the guidance of experts, so as to "repair the old as before" and strictly follow legal procedures.

　　20, underground cultural relics buried area

　　Protect related sites, improve the protection management system, strengthen the construction of infrastructure and site protection and exhibition facilities, and improve the level of protection, exhibition and utilization.

　　21. Historical buildings

　　improveThe protection and utilization standards of historical buildings are standardized, and the protection management and rational utilization measures of historical buildings with Huai’ an local characteristics are put forward.

　　Chapter IX Protection and Utilization of Intangible Cultural Heritage

　　22, protect the object

　　Protect 203 intangible cultural heritages in the city, including 7 at the national level, 33 at the provincial level and 163 at the municipal level.

　　23. Overall protection

　　1 focus on the protection of projects listed in the national, provincial, municipal and county-level intangible cultural heritage representative projects, in accordance with the requirements of special protection planning at all levels.

　　2. Improve the excavation, recording, sorting and registration of intangible cultural heritage, and establish archives and databases for projects listed in the national, provincial and municipal intangible cultural heritage lists. Classified protection shall be implemented according to the methods of rescue protection, memory protection, productive protection and regional overall protection.

author/past

montage/Li sauce

Everyone has a good weekend ~

Tonight, "Mrs. Huzhu" is coming to an end. Whether Fang Zhu and the quadratic couple in Shanghai can abuse each other and finally get married may be a blind box experience;

Next door, "When the Night Surges" has been kissed by a shirt to the rooftop to watch the fireworks, with strong sweetness.

"Female Psychologist" "A Meal" CP is cured and funny?

"The Wind Rises in Luoyang" is about to be staged. Is it really sweet to get married first?

It’s time for us to take stock of the film and television drama CP in Q4, and see which pair makes us scream again and again, and which pair makes our tears worthless!

Most desirable CP

When the night is dark

Xu Qingyou X Mo Lingze

The most desirable cp is not "When the Night Surges". The female host is a white-collar worker who is about to turn 30, and the male host is the overbearing president of the investment company. (Secretly: they invested in the woman’s company)

The love between mature men and mature women is exciting to think about! What kind of bed thumping and wall thumping are basic operations, and people have invented wardrobe kissing!

Liu Xueyi and Yuxi Zhang’s carved faces, if they kiss, will they knock their noses?

When Xu Qingyou learned that her boyfriend was cheating on her, she met Mo Lingze when she was drinking to drown her sorrows. At first, the two of them came to a wet temptation in the hotel. The woman touched the man’s abdominal muscles, and then they came to bed.

Although nothing happened that night, Xu Qingyou didn’t know. Later, because they met again at work, Xu Qingyou pretended not to know Mo Lingze, but who is Mo Lingze?

At the moment when he was about to get on the elevator, Mo Lingze secretly said in Xu Qingyou’s ear, "Director Xu, I haven’t paid the room fee yet."

Help, what kind of drama is this? Are the feelings between adults so explicit?

The most duplicitous CP

Love at first sight

Mu wanqing x tan guilin

These two really like each other.

Let’s talk about Tan Yulin, the male leader, who took over the Shanghai Defense Command by mutiny. He was laughing and laughing, but in fact, he was black-bellied and could endure the online business, in order to raise the salary and find out the truth about his father’s death.

The hostess Mu Wanqing, the daughter of Shanghai industrial and commercial tycoon Mu Zhiyuan, is actually a black lotus flower on the beach of the Republic of China, although she is a rich young lady. It is necessary to find out the truth about her brother’s death.

Two people with different thoughts accidentally crossed paths and agreed to cooperate with each other and get what they need.

Therefore, they are actually quite suitable for each other, and they gradually fell in love with each other in the process of cooperation.

After a long time, the mouth is not forgiving. The man hosted a celebration dinner, and the woman was invited to go. As soon as they met, they talked to each other-

Tan Yulin: Why did you come out in your pajamas today?

Mu Wanqing: That’s better than some people dressed as a guard of honor.

Mu Wanqing was forced to entertain and drink Maotai, and Tan Yulin secretly changed the wine into water, but the hostess still misunderstood that he didn’t trust himself.

After drinking the drugged wine in a fit of pique, Tan Yulin was helpless but silently took good care of it, and his wife had to be pampered by herself.

When Mu Wanqing kissed him with the strength of wine, Tan Yulin misunderstood Mu Wanqing as a man and secretly tasted it.

Although both of them are thinking of each other, they are just dead ducks, and they talk about yue: Is this the quiet love of your time?

The most sadistic CP

Mrs. Hu Zhu

Fangzhu x fanghai city

Master-apprentice love, cultivate the department, the ancient puppet is so petty that Mrs. Huzhu can hold it tight!

At first, the story was actually quite routine. Fang Hai, a girlhood, was saved by Fang Zhu, who was the great power minister at that time, and was accepted as a disciple.

How big is the aura of master+savior? I won’t talk about it, not to mention that master is still a handsome boy! Although Master asked her to think about it and copy the rules 200 times every day, it did not affect Haishi’s love for Master:

When Master was punished by the emperor, Haishi knelt with Master. It is inevitable for a girl to be infatuated, and she likes to feel happy as long as she holds Master’s pillow ~

Later, I mistakenly thought that Master was going to marry someone else, so I asked him to go to the border guard. "Cycas don’t bloom, and Haishi doesn’t go home!"

Master has long been in love with Haishi, but as the emperor, Percy is doomed to be unable to control his own life, so he can only wait silently for his lover to be considerate. Even when he learns that his time is running out, he will not hesitate to let his brother, Di Xu Na Haishi, be Mrs. Hu Zhu and let Haishi give up on himself.

But, master, you underestimated the affection and courage of Haishi. Even though there are many difficulties, our city doesn’t want to be a caged bird, but wants to be Haidongqing and do our best for your happiness!

So this wave of sadism and gambling will be happy ending~

Top CP

The sea of stars

Jane Eyre X Fang Hengzhi

You should have heard the name of CP more or less.

They should be regarded as the story of the working girl who braved the wind and waves, and the president who cut through the thorns. Come and learn the president’s classic quotation of Marisol-

"Lam Group is mine.

You, too. "

"Don’t leave me unless I die."

"I don’t want money, I’ll pay you back."

Help, although I know that this "pay me back" is for the hostess to join his company, I was caught by this line that is comparable to the earthy love story!

After confirming the relationship, the two men also had a wet love with water pipes in the street. This is not finished. The key point is that later, in order to save Jane Eyre, Fang Hengzhi watered her again with a water pipe.

After watering the hostess thoroughly, he said, I won’t give up! Then she walked away, leaving the woman standing in the street soaked to the skin.

Later, the man wanted to get engaged to someone else for his family and career, which severely hurt the woman’s heart.

Two people again a break-up plot to catch a horse:

Fang Hengzhi: "Look at me with the eyes you used to look at me!" "

Jane Eyre: (eyes full of hate)

Fang Hengzhi growled: "I don’t want this kind of look! ！”

Then staged a scene of squeezing Jane Eyre’s shoulder in a roar, "Does it hurt? I am a hundred times more painful than you, a thousand times and ten thousand times! "

Jane Eyre: What does it have to do with me?

Fang Hengzhi: Get out!

Ok, you two are the best horse catchers of the year. This story tells us that ups and downs of love are not for young people, and middle-aged people also have unlimited passion!

Best at routine CP with each other

Biography of Jianan

Jiang Baoning X Qian Li

One is a high-ranking princess, and the other is an imperial bodyguard with a flat identity. Two people cross the class, fall in love, go through many hardships, and finally make a positive result!

Who wants it? It’s me!

The daily summary of the relationship between the two people in Jianan Biography is two words: routine!

One second, the man who smells like tea in the tea can lift a person as strong as an ox. The next second, the woman appears, and immediately she is weak and wants to hug. The man is injured, and the woman refuses to eat, and she has to steal the fragrance when she is close. Gee ~

This is not the end. The woman refused to let the injured man drink. After the woman walked away, the man secretly took a sip. When the woman found out, she pinched the man’s chin and smelled if there was alcohol. Guess what the man did at this time?

Biography of Jianan should be nicknamed "How to kiss your wife 108 times"?

Is the sense of CP the most important point for idol dramas?

In my opinion, yes, but not all of them. There are many dramas that I really want to watch when the official hero and heroine are announced at the beginning, such as The Lonely Queen, played by Chen Xiao and Chen Qiaoen before, but the actual story is hard to attract people to watch.

Starring with a sense of CP is only the first level. After this level, there are other levels such as plot and acting.

Recently, domestic dramas have been on the hot topic for 10 years. Women who don’t take care pretend to be men, embrace slowly in a roundabout way, and save the United States by a hero who stumbles on the ground. I’m really tired of watching them. When I was passionate about cp, I also called on the majority of drama parties. Can I give the screenwriter more salary and write a love story that is not routine and not suspended?

Talk about two words:

In the near future, you also want to hear what TV dramas cp we are talking about. See you in the comments (ω).

(If you like this article,Click on the topAKA TaodaodaoPay attention to WeChat official account,There is no shortage of good stories here ~)

Opinions of the General Office of Guangzhou Municipal People’s Government on Optimizing the Market Access Environment and Comprehensively Improving the Integrated and Convenient Services for Enterprises Sui Fu Ban Gui [2022] No.7 Opinions of the General Office of Guangzhou Municipal People’s Government on Optimizing the Market Access Environment and Comprehensively Improving the Integrated and Convenient Services for Enterprises People’s Governments of all districts, All departments and directly affiliated institutions of the municipal government: In order to thoroughly implement the spirit of the important instructions of the Supreme Leader General Secretary that Guangzhou should "make new achievements in the modern and international business environment", in accordance with the comprehensive reform and deployment of the municipal party Committee and the municipal government to optimize the business environment, further deepen the reform of enterprise facilitation and commercial system in our city, and enhance the ability of service enterprises, according to the Regulations of Guangzhou Municipality on Optimizing the Business Environment, with the consent of the Municipal People’s Government, Put forward the following opinions: 1. Implement the full coverage of starting an enterprise-Netcom office. The municipal market supervision and management department is responsible for taking the lead in building the platform of starting an enterprise-Netcom (referred to as a Netcom platform) and promoting the functional integration and full coverage of the optimized platform. Applicants applying for starting a business through a Netcom platform can choose to apply for a business license at one time, carve seals for free, apply for invoices and tax UKey, register for employment and insurance, register the deposit of housing provident fund, and make an appointment to open a bank account. They can also handle the above matters in stages through a Netcom platform after applying for a business license. The whole process of starting a business in this city is handled electronically, and the applicant does not need to submit paper materials, and it can be completed in 0.5 days at the earliest. Second, all-round promotion of one-way access to the results of electronic services for starting a business After the applicant applies for starting a business through a form,You can choose to receive electronic business results such as electronic business license without media, electronic seal and electronic invoice simultaneously. The municipal market supervision and management department is responsible for the construction of the application of e-card, and all relevant departments should promote the contactless delivery of electronic service results based on the electronic business license and rely on the application of e-card, and collect the electronic seal, the results of the first application for electronic invoice, the electronic license and filing certificate, social security information and the reserved account number of the enterprise account into the enterprise name synchronously, thus forming an enterprise-specific personalized business card. The relevant departments of the city and district shall guide and support enterprises to actively illuminate the license publicity in government affairs and business activities, encourage the public to scan the two-dimensional code on the business license, display the enterprise license in one yard, and implement the "e-license quasi-camp". Third, in-depth expansion of the application of electronic elements of enterprises, the municipal market supervision and management department is responsible for accelerating the docking of a Netcom platform to send a medialess electronic business license, electronic seal and electronic invoice system with the city’s trusted certification service platform, and the municipal government service data management department is responsible for accelerating the docking of the city’s trusted certification service platform with other provinces and cities’ related certification platforms, and promoting mutual recognition of electronic licenses. Municipal market supervision and management departments can rely on the electronic business license application service system, focus on expanding the comprehensive application of electronic business license and electronic seal to other government services such as commercial registration, tax-related services, social security registration, provident fund registration, etc., promote the in-depth application in public affairs fields such as enterprise bank account opening, bidding, electricity, water and gas consumption, and explore its wide application in enterprise business activities.Fourth, promote the intelligent joint office of enterprise-related licenses. When applying for a business license through a Netcom platform, applicants can jointly handle the high-frequency licensing items such as food, medicines and medical devices, and realize the whole process of electronic processing without submitting paper materials. Municipal market supervision and management departments should inform the licensing approval conditions at one time on a Netcom platform, promote more enterprise-related licensing matters and business licenses in an orderly manner, and promote more iterative application of package-style liaison scenarios. V. Employment registration and insurance registration are unified. Applicants who start a business through a Netcom platform or apply for insurance registration separately after obtaining a business license do not need to fill in employment information. After the successful bid, they can quickly obtain insurance registration result information through the application of "e-card". The municipal human resources and social security department shall collect the information needed for employment registration on a Netcom platform through data sharing, and simultaneously complete employment and insurance registration. 6. Explore and promote the free account opening service of enterprise account reservation account. Applicants can start a business through a Netcom platform, and they can choose to fill in the account opening application information in one stop. After the authorization of the enterprise, a Netcom platform can push the relevant information to the bank selected by the enterprise in real time. Enterprises can quickly obtain the reserved account number of enterprise accounts fed back by the opening bank through the application of "e-card", which is convenient for quickly handling matters such as withholding and paying taxes and social insurance premiums after the enterprise is started. This Municipality encourages all commercial banks to provide enterprises with services such as free bank account opening, explore the whole process of online bank account opening, strengthen the cooperation between government and banks, and smooth the channels of information sharing.Seven, the implementation of enterprise name, business scope of independent standardization declaration municipal market supervision and management departments should be in accordance with the unified and standardized enterprise name declaration rules to further optimize a netcom platform enterprise name independent declaration service, and constantly improve the intelligent comparison search name function, convenient for applicants to quickly and independently query and declare enterprise names. Applicants can choose their own business scope in the standard expression list of the State Administration of Market Supervision. If the business scope contains licensing examination and approval items, a Netcom platform can intelligently identify and accurately recommend one-stop license joint service. Eight, the implementation of the residence (business premises) independent commitment to declare the applicant’s residence (business premises) within the scope of the standard address library, except for the negative list (see annex) without independent declaration, a Netcom platform can automatically match and provide standard address selection, and the applicant promises to declare the residence (business premises) legal and valid, without uploading property rights certificates or lease contracts and other materials. The municipal and district people’s governments can expand the range of standard address libraries that can be used as business premises in all districts of the city through various channels, gradually reduce the negative list of independent commitments of residences (business premises), improve the intelligent comparison rate of standard address libraries, and continuously empower the intelligent and standardized examination and approval of commercial registration. Nine, the implementation of mutual recognition of enterprise identity authentication information, market supervision and management and other relevant departments should fully apply blockchain, artificial intelligence, face recognition and other information means, integrate electronic business license identity authentication and public security organ identity authentication system, establish a digital identity credit system, and realize"One-time authentication, all-netcom" to promote mutual recognition of authentication information. Ten, the implementation of foreign-invested enterprises access to one-stop service market supervision and management departments, commercial departments and relevant departments in accordance with the law to implement foreign-invested enterprises before the national treatment plus negative list management system, to achieve foreign-invested enterprises registration information, approval (filing) information two-way push, data sharing, mutual recognition of results. All relevant departments should simplify the notarization documents of commercial registration involving Hong Kong, promote the deepening of the "cross-border communication" service of commercial registration, and provide one-stop services for Hong Kong and Macao investors who are not allowed to enter the country or go offshore by using a Netcom platform, Hong Kong and Macao cooperation institutions and bank outlets. XI. Continuously improve the convenience experience of starting a business. The municipal market supervision and management department shall provide applicants with 5G smart preferential service for starting a business through a Netcom platform, provide accurate guidance throughout the whole process through intelligent robots, 5G messages and remote visual guidance butlers, realize 100% digitization and visualization of work instructions, and establish an "online shopping" convenience service mechanism for starting a business. The government service centers in all districts of the city should promote the full coverage of offline enterprise service areas, fully equip with strong guidance staff, provide intimate and accurate services, form a long-term service mechanism combining online and offline, and enhance the sense of enterprise acquisition. XII. Strengthening the Post-event Supervision of Self-declared Matters The applicant shall be responsible for the legality, authenticity and validity of the submitted materials and commitment letter of self-declared matters, and bear corresponding legal responsibilities. The market supervision and management department shall adopt "double randomness and one openness"And increase the frequency of spot checks on matters independently declared by enterprises; If it is impossible to contact through the registered residence or business premises, or the publicized enterprise information conceals the real situation or practices fraud, it shall be listed in the business exception list according to law and publicized to the public, resolutely investigate and deal with the act of submitting false materials to obtain the registration of market entities, and safeguard the good market order and the legitimate rights and interests of market entities. This opinion shall come into force as of the date of issuance and shall be valid for 5 years. Attachment: Negative List of Independent Commitment of Guangzhou Market Subject’s Residence (business premises) General Office of Guangzhou Municipal People’s Government June 29, 2022 Attachment: Negative List of Independent Commitment of Guangzhou Market Subject’s Residence (business premises) In case of the following circumstances, the independent commitment of residence (business premises) shall not be declared. I. Entertainment service industry to be engaged in the following business projects. 1. Management of dance halls; 2. Electronic entertainment hall management; 3. Internet cafe operation; 4. Children’s indoor recreation hall management; 5. Shooting range management; 6. Amusement park management; 7. Bathing service; 8. Foot massage, health massage, sauna and steaming; 9. The cinema. (2) the catering industry. 1. restaurants; 2. Drink shop; 3. pastry shop; 4. Small meals. (3) Dangerous goods industry. 1. Production, management and storage of hazardous chemicals; 2. Coal products manufacturing; 3. Production and operation of fireworks and firecrackers;4. refined oil storage; 5. Manufacture of civilian firearms; 6. Placing guns for civilian use; 7. Civil explosives business. (4) Financial industry. 1. Banks, insurance companies, securities companies, futures companies, fund companies and other financial institutions; 2. Small loan companies, trading places, pawn shops, financing guarantee companies, financial leasing companies, commercial factoring companies, regional equity markets, local asset management companies and other local financial organizations. (5) Security service industry. Security services. (6) education. 1. For-profit private schools; 2. For-profit private training institutions. (7) Health industry. Medical services. 2. The declared residence house has the following circumstances: (1) The property legally used for residence. (2) Government-subsidized housing. (3) Military property. (4) Real estate of foreign (regional) enterprises. If this negative list needs to be adjusted in the future, it will be evaluated by the municipal market supervision and management department according to the implementation, and announced to the public with the consent of the Municipal People’s Government. Issued by the Secretariat of the General Office of Guangzhou Municipal People’s Government on July 1, 2022

　　The fitness demand of sports enthusiasts in generate is followed by the prosperity of fitness food. Now there are endless energy bars, meal replacement milkshakes, sports drinks, protein powder and various sports nutrients on the market. In the face of chaotic and complicated sports food, can you correctly understand their functions? How will you choose?
　　"Exercise needs to consume a lot of energy substances, and the energy substances in our brain are mainly glucose. If there is not enough carbohydrate in the body to secrete glucose to supply our nervous system after exercise, it will cause functional discomfort, so it is necessary to supplement some energy substances such as sugar, carbohydrates and protein before and after exercise." Feng Qiang, an assistant researcher at the Research Institute of the State Sports General Administration, explained.
　　Feng Qiang said: "For people who have been exercising for a relatively long time, you can supplement some substances that can be digested and transformed quickly before exercise, so that your body can have enough fuel to ensure the supply of blood sugar and energy at a normal level. Banana is a very good natural food, which can be supplemented quickly, and at the same time, it also contains some dietary fiber, which can meet our fitness needs. After exercise, especially after muscle strength exercises, it is necessary to add more protein appropriately, especially to grasp the ‘ Window period ’ Supplementing energy as soon as possible will help improve the recovery rate of the body and maximize the fitness effect. "
　　In addition, as a kind of nutritional supplements, sports supplements have also been sought after by many fitness enthusiasts, meeting the shaping or strength training needs of people who lose fat and gain muscle. The most common supplements are protein and creatine. protein can promote muscle gain, and creatine can provide muscle explosive force and improve performance during exercise.
　　"For the nutritional supplement of the general population, it does not mean that protein is too high or too much energy is good. Now there are many corresponding replenishment products on the market. We should choose them for ourselves according to our own needs, carefully look at the ingredient list and ingredient list of the products, and choose those foods with high energy density mainly based on carbon water for quick replenishment. " Feng Qiang stressed, "However, people who lose weight should make a distinction. They should choose foods with low energy density, mainly water and fiber. They will not starve and will not lead to excessive energy. The energy they eat should always be less than the energy consumed by the body. This is an iron law."
　　Regarding the popular meal replacement, Feng Qiang said: "No matter what meal replacement is, it must be reasonably matched according to the energy substances necessary for the human body. Don’t think that I want to lose weight, just eat a certain kind, or I will eat more protein if I like protein, so I must have a balanced intake. Hungry weight loss therapy will cause functional disorders in our bodies. In fact, many fats, especially unsaturated fatty acids, still play a very important role in our immune system and strengthening our health. Some people feel that their body is getting worse after suddenly losing weight, which may be caused by physical disorder, so we must arrange the proportion of eating and match it reasonably. "
　　For rehydration during exercise, Feng Qiang suggested: "For ordinary sports enthusiasts, ordinary mineral water or boiled water is enough. If you feel that the amount of sweating is relatively large, you can add a little light salt water. The principle is to be proactive, small and repeated, and maintain the balance between water and salt. If you don’t have special needs, you don’t need to pay special attention to drinking some sports drinks, because many sports drinks on the market are sweet and high in sugar, which will cause a burden on the body and is not particularly good for the body. " (From June 29th, China Sports Daily, 05 edition)

A few days ago, we obtained the internal planning of the suspected border from relevant channels. The border will launch the M8 in 2025, which is expected to be delivered in the first quarter of next year, and the price is between 350,000 and 450,000. The revised version of Questionnaires M5 and M7 will be developed on the platform of Seles Rubik’s Cube.

At present, the M8 is in a strict camouflage state, and it is likely to adopt a family-style design style. It is different from the M9 in some details, and the vehicle design is still a stable style. With a length of more than 5 meters and a wheelbase of more than 3 meters, it will provide spacious seating space. Compared with the M9, the tail shape will be tougher, and it is not ruled out that the through taillight design will continue to be adopted. The lines of the tailgate are very angular, which enhances the sense of strength of the whole vehicle. The new car will be equipped with Huawei Gankun ADS 3.0 advanced intelligent driving system, air suspension and CDC variable damping shock absorber. The extended range version adopts pure electric drive extended range platform 4.0, and the pure electric version adopts 800V high-voltage silicon carbide platform.

The redesigned M5 and M7 will adopt a brand-new family design style, and the price of the high-end models of the M7 will continue to go up, connecting with the M8. The price of M5 will be further lowered, which is out of step with M7.

　　Landscape of Lingnan Land and Pastoral Complex in Doumen District, Zhuhai City, Guangdong Province.
　Photo by Liang Songhui (People’s Vision)

　　The experimental construction of pastoral complex is a starting point for promoting agricultural and rural modernization and rural revitalization. Adhere to agriculture-oriented, government guidance, market players, and exploration and innovation. At present, pilot projects in various places are being promoted in an orderly manner. Farmers participate, farmers enjoy, and give play to their pioneering spirit. Liuyang, Hunan Province drives farmers to increase their income and get rich through pilot projects; Aiming at high quality and establishing a diversified investment pattern, the competitiveness of modern agricultural development in Shaoxing, Zhejiang and Dujiangyan, Sichuan has been continuously improved … … After the end of 21 pilot projects, in 2021, the Ministry of Finance launched 13 new pilot projects in 13 provinces, and the pilot project of rural complex construction entered a new stage.

　　— — Editor

　　In 2017, the No.1 Document of the Central Committee proposed to support conditional rural construction, which takes farmers’ cooperatives as the main carrier, allows farmers to fully participate and benefit, and integrates circular agriculture, creative agriculture and farming experience. In that year, the Ministry of Finance launched 15 national-level rural complex construction pilots in some provinces in accordance with the three-year plan and annual implementation.

　　According to the Strategic Plan for Rural Revitalization (2018— 2022) On promoting the pilot deployment of rural complex construction, in 2018, the Ministry of Finance launched six new pilots in three provinces. At present, 21 pilot projects have been completed, and the central government has arranged 1.68 billion yuan. In 2021, the Ministry of Finance launched 13 new pilot projects in 13 provinces, and the pilot project of rural complex construction entered a new stage.

　　Strengthen the top-level design of policies and promote the orderly development of pilot norms.

　　Among the mountains and peaks, the development of eco-agriculture in liyang city, Jiangsu Province is in full swing. "Relying on the colorful Caoshan national pastoral complex, the blueberry festival we held was very effective, and the orders for online live broadcast were full." Yu Qinggui, chairman of Bailushan Ecological Agriculture Development Co., Ltd. said.

　　"Modern agriculture is changing from traditional production agriculture to functional agriculture. The construction of the pastoral complex project integrates the strengths of the government, the market, farmers and other parties, opening up more space for rural development and stimulating the vitality of rural development. " Tian Chunhua, chief accountant of liyang city Finance Bureau, said.

　　— — Strengthen policy creation and standardize development.

　　"Planning requires a blueprint to be drawn to the end." Mun-song Kim, director of the Rural Economic Research Center of the Ministry of Agriculture and Rural Affairs, said that the national-level rural complex construction pilot, relying on agricultural resources, industrial base, characteristic villages and traditional culture, and taking agricultural comprehensive development projects as the starting point, improved the functional systems of production, industry, management, ecology, service and operation, and realized the "three-step coexistence" of production and life ecology, "three-industry integration" of primary, secondary and tertiary industries and "trinity" of agricultural cultural tourism.

　　According to reports, the central government gives appropriate support through relevant channels, and the specific policies for pilot construction projects and management are determined by local independent research, reflecting the integrity, systematicness and coordination of project construction and comprehensively improving the overall efficiency of the pastoral complex.

　　The person in charge of the Department of Agriculture and Rural Affairs of the Ministry of Finance said that adhering to the principle of "agriculture-oriented, government guidance, market subject, exploration and innovation", the pilot project of rural complex construction was promoted in an orderly manner.

　　According to the requirements of the Ministry of Finance, the pilot should be in areas with relatively complete agricultural and rural infrastructure, superior agricultural ecological resources, obvious advantages of characteristic industries, high enthusiasm of rural grass-roots organizations and market players, large self-financing investment by developers and good foundation for comprehensive rural reform. Based on the advantages of resource endowment, It integrates smart agriculture, creative agriculture, farming experience, etc., and integrates agricultural, cultural and educational tourism to build a rural pastoral complex with excellent ecology, beautiful environment, prosperous industry, hot consumption, rich farmers and famous brands. In 2021, the central government has allocated 650 million yuan to support local pilot projects.

　　Promote farmers’ employment and income, promote the effective transformation of ecological resources, and prevent cultivated land from being "non-grain" and "non-agricultural"

　　In the middle of winter, the pastoral complex in Yong ‘an Town, Liuyang City, Hunan Province is a lively scene. Zhou Xianghua, a villager in Lutang Village, welcomed several groups of tourists to his home. The family was busy guiding tourists to taste and buy homemade special foods, and sold more than 100 copies in most of the day.

　　"Now I’m selling specialty foods at home. I’m not as tired as I used to go out to work. I can also take care of my family and earn more." Zhou Xianghua’s joy permeated his face. His family also vacated a large room, renovated according to unified standards, and became a member of the local theme homestay.

　　The starting point and the end result of the pilot construction of pastoral complex are to increase farmers’ employment and income. Since the pilot project of "Liuyang Story Dream Painting Pastoral" in Liuyang City was launched in October 2017, all levels of finance have invested a total of 123 million yuan, driving social capital investment of 215 million yuan to promote the deep integration of agriculture and industry, cultural tourism, health care and e-commerce.

　　Zhu Zifeng, director of the Finance Bureau of Liuyang City, introduced that through the guidance and support of financial capital shares, village collectives, cooperatives and enterprises were promoted to form new rural business entities, and the two key functional areas were built to drive more than 700 farmers to find jobs and the per capita annual income reached 50,000 yuan.

　　The head of the Department of Agriculture and Rural Affairs of the Ministry of Finance said that it is necessary to improve the interest linkage mechanism that benefits farmers and drive farmers to increase their income and get rich.

　　"The pilot project of rural complex construction involves thousands of farmers. Only when farmers take the initiative to participate can the rural complex have vitality." He Shulin, director of the Agriculture and Rural Affairs Bureau of Baoshan City, Yunnan Province, said.

　　Song Hongyuan, Dean of Rural Revitalization Research Institute of Huazhong Agricultural University, said that the pilot construction of rural complex should promote high-quality and high-efficiency agriculture, further promote the greening, high-quality, characteristic and branding of agriculture in combination with the positioning characteristics of rural complex, promote the effective transformation of ecological resources, prevent the "non-food" and "non-agriculture" of cultivated land, give full play to farmers’ initiative and stimulate the endogenous motivation of rural complex construction.

　　Aim at the high-quality development of agriculture and rural areas and solidly promote rural revitalization.

　　In Shaoxing city, Zhejiang province, Wang Haoping, director of the Municipal Bureau of Agriculture and Rural Affairs, said: "The pilot construction of the pastoral complex reflects the orientation of giving priority to the development of agriculture and rural areas."

　　Lizhu Town has 6 specialized flower villages, more than 250 flower enterprises, 40,000 mu of flower and tree bases and 2,900 varieties of green seedlings and famous orchids. In the next few years, Lizhu Town will make every effort to promote the steady development of the pilot projects, and build "Flower Fragrance Lizhu" into an idyllic complex integrating leisure agriculture cluster development zone, beautiful new home suitable for industry, living and traveling, high-quality and efficient ecological agriculture model zone, and high-level demonstration zone for building a well-off society in an all-round way.

　　Further improvement of management is an inevitable requirement to improve the competitiveness of pilot development. The relevant person in charge of the Department of Agriculture and Rural Affairs of the Ministry of Finance said that the pilot project of rural complex construction should follow the principle of "government guidance and market subject", and the state should support characteristic areas with foundation, advantages, characteristics, scale and potential, and promote the pilot construction according to the structural reform requirements of agricultural supply side, and explore the effective path of transforming green mountains and green hills into Jinshan Yinshan according to local conditions.

　　Entering Tianfuyuan Garden Complex in Dujiangyan City, Sichuan Province, the canal system of kiwifruit export demonstration zone is being irrigated. "What is built here is a comprehensive development model integrating modern agriculture, leisure tourism and rural communities, giving full play to the guiding role of financial funds and innovating a new pattern of investment and financing." Liu Gang, director of Dujiangyan Finance Bureau, said.

　　The relevant person in charge of the Department of Agriculture and Rural Affairs of the Ministry of Finance said that the financial department has made good use of the existing agricultural support policies and actively coordinated funds from various channels to support the construction of rural complexes. Actively play the guiding role of financial investment, comprehensively use the methods of building first and then making up, making up with awards and guaranteeing subsidies, explore and promote the cooperation between government and social capital, incite financial and social capital to invest in the construction of pastoral complexes, and promote the establishment of a diversified investment pattern.

　　If the nation is to be revived, the countryside will be revitalized. Under the leadership of the CPC Central Committee with the Supreme Leader as the core, agriculture will be upgraded in an all-round way, rural areas will be improved in an all-round way, farmers will be developed in an all-round way, and the pilot project of rural complex construction will usher in a better tomorrow.

　　Recently, there are always people on the Internet who say that the barbecue in Zibo is "cold". There are three reasons: first, the passenger flow has dropped; second, some barbecue shops have begun to transfer their facades; third, the popularity of online search is not as good as before.

　　It is better to return to normal than to be "cool". At present, although the barbecue in Zibo is "cooling down", it does not mean that there is no heat. The owner of the barbecue shop reported that although the current passenger flow is not as good as the peak period in April and May, it is still much more than before the "fire"; Although the booking volume of hotels and homestays has declined, the booking situation of the Dragon Boat Festival holiday not long ago is still considerable. It can be seen that the heat of barbecue is still warming many operators in this city.

　　This is Linzi Barbecue Courtyard located in Linzi District, Zibo City. Photo by Zhu Zheng (Xinhua News Agency)

　　The popularity of barbecue in Zibo attracted many entrants. According to the data, from March 1st to June 18th, there were 694 barbecue-related enterprises in Zibo, among which there were veterans in the catering industry and novices. Under the baptism of the market tide, there are shops that have always maintained a high standard of taste and service and are still full of passengers; There are also those who lack stable customers and good word-of-mouth support and can only transfer the facade.

　　Zibo barbecue has become a phenomenal "national feast", which is the result of spontaneous promotion by tourists, rapid response by the government, active maintenance by citizens and other factors, and the help of network traffic can not be ignored.

　　The speed of creating hot spots on the Internet is often very fast. The online "mountain-like tsunami" traffic is transformed into offline short-time passenger flow, which tests the city’s ability to provide a perfect business reception environment and high-quality public services. Once it fails to meet the expectations of tourists, the voice of praise may turn into complaints, which is an examination question that all online celebrity cities need to face. In addition, the Internet traffic economy has the characteristics of rapid upgrading and short life cycle. Not only in Zibo, but also in other online celebrity cities, it is difficult to keep the heat at its peak all the time, and the change of "You sing and I come on stage" is not uncommon in cyberspace. When the flow ebbs, how to cultivate the new kinetic energy of sustainable development is another question for online celebrity. A single barbecue may not be able to meet the experience needs of tourists’ differentiated and diversified leisure tourism. There are many articles to be done from these perspectives, such as exploring tourism resources, enriching the supply of tourism products and injecting the soul into tourism with culture.

　　A nationwide barbecue made more people know about Zibo, and its good consumption environment and excellent public services made it famous. For this newly-built city of online celebrity, people’s continuous concern is the most precious wealth for the long-term development of Zibo.

　　Economic Daily (by Zhang Xue)

China’s trade went global. From 1757 to 1842, the 13th Canton was the only "special zone" for the Qing government to trade with Europe and the United States, which made the city retain its memory and make people remember its homesickness. Guangzhou is a famous cultural city with a history of more than 2,000 years. Every street and lane has a long story, and every brick and tile has a meaningful memory. Today, Xiaobian will appreciate the heavy memory of this city with you, appreciate the spirit tradition of tolerance and openness for more than 2,000 years, and appreciate the endless literary context; Together with you, under the illumination of history, we can understand today and Guangzhou, thus strengthening our cultural self-confidence. In 1757, with the promulgation of the imperial edict on foreign trade in which Qianlong only left Guangdong Customs, the foreign trade of the Qing Dynasty was locked in the thirteenth line of Guangzhou. As the only exchange center between Chinese and Western civilizations for 85 years, it is a Chinese and foreign trading place located on the edge of the Pearl River, where foreign ships gather at the thirteen ports, and almost all major countries and regions in Asia, Europe and America have had direct trade relations with the thirteen banks. It has global trade routes to Europe, Latin America, South Asia, East Asia and Oceania. It was the only surviving node of the Maritime Silk Road under the closed-door policy of the Qing government at that time, bearing the gestation and development of modern China’s commercial economy. Although the thirteen lines have disappeared in the long river of history, their historical influence has been continuing. Two hundred years later, history once again chose Guangzhou to undertake the historical mission of "gathering customers from all over the world and selling goods from all over the world". Thirteen lines and the Canton Fair jointly compose the colorful movement of the Maritime Silk Road.It became the epitome of China’s opening to the outside world and economic development in modern times. A long scroll showing the style of the thirteen-line business hall in Qing Dynasty. Where did the thirteenth line come from? Kangxi’s sea trade gave birth to the "Thirteen Lines" and made Guangzhou "trade in one mouth". This was a scene in the 18th century-the Swedish merchant ship King Frederick was sailing off the South China Sea in China. This is a large sailboat of that era. It started from Europe and will arrive in Canton after more than a year’s voyage. In the eyes of westerners, China is a country of silk, porcelain and tea, and there are countless exquisite handicrafts, showing a profound culture. They were pleasantly surprised to find China. Fortunately, the Swedish ship escaped the stormy waves of the Cape of Good Hope, the piracy in Malacca and the threat of epidemic diseases on board, and completed the voyage with 20% staff reduction. Only half of the sailboats that set out with them can reach Guangzhou. Paying such a high price is for the maiden voyage of trade between China and Sweden. After leaving Gothenburg, Sweden, King Frederick went to Spain for the silver that was commonly used in China, and arrived at Lingding Island in Guangzhou on September 6, 1732. During the four months of berthing in Guangzhou, King Frederick ordered 151 large boxes and 1801 bundles of porcelain from more than 10 foreign firms in China, totaling 49,906 pieces. And 2183 boxes of red and green tea. After sailing from Guangzhou, King Frederick returned to Sweden after eight months. Porcelain exported in the Qing Dynasty is bright in color. At that time,Every year, hundreds of such merchant ships come from afar, enter the South China Sea of China through a long waterway, and then go north along the Pearl River to reach Guangzhou, then known as the southern gate of the Eastern Empire. In fact, during the Ming Dynasty, overseas trade was not always smooth, and the imperial court often declared a "sea ban", which lasted until the early Qing Dynasty. In the Ming and Qing Dynasties, the sea was closed for 300 years. However, Guangzhou’s ship management organization, Shiboshi, was preserved and continued to play a role in promoting cultural exchanges between China and foreign countries. The model of the Swedish merchant ship Gothenburg, which sailed to Guangzhou three times in Qing Dynasty. After Kangxi unified Taiwan Province and put down the San Francisco Rebellion, he began to consider the economic and tax balance of the whole country. He sent Shi Zhu, a cabinet university student, to Guangdong and Fujian for inspection to prepare for the sea trade. Because smuggling is popular, there is opposition in the court. Kangxi asked Shizhu, "How many houses have you been to in Guangdong?" Shizhu replied: "Zhaoqing, Gaozhou, Lianzhou, Leizhou, Qiongzhou, Guangzhou, Chaozhou, etc., where the people said that they had left their homeland for more than 20 years, and now the emperor has leveled the bandits and can go back to their homeland." Kangxi asked again, "So, people are happy to live by the sea, why don’t you allow it?" Shizhu replied, "The sea was sealed in the Ming Dynasty, so we can only do as usual." Kangxi was very dissatisfied and said: "The frontier ministers should take the national economy and people’s livelihood as their thoughts. Although the sea is forbidden today, people who trade privately also go to sea to make a living; To be honest, if you are not allowed, it is just for your own convenience. " Shizhu was speechless for a while. In the 24th year of Emperor Kangxi of Qing Dynasty (1685), the imperial court opened four ports for trade: Guangzhou, Ningbo, Zhoushan and Xiamen.However, at that time, there was no distinction between Chinese and foreign trade, and there was no specialized foreign trade firm. In the early days of the switch, when western ships arrived, officials were in a hurry, and foreign ships were often blocked outside the port and could not trade for a long time. In the spring of 1686, the second year of Guangdong Customs switch, the Guangdong government finally found a solution-Wu Xingzuo, Governor of Guangdong and Guangxi, Li Shizhen, Governor of Guangdong, and Yi Ergtu, the supervisor of Guangdong Customs, jointly discussed and divided the national tax into two categories: "residence tax" and "line tax". The "residence tax" is a tax levied on all goods landed in the inland trade of this province, which is collected by the tax department and called "Golden Line"; "Travel tax" is a tax on goods sold by foreign countries and goods traded at sea, which is collected by Guangdong Customs. "Foreign goods line" means "thirteen lines". When it comes to the meaning of "line", it means "line and column", which is "the place where goods live". From then on, foreign goods company 13 became a professional firm engaged in foreign trade, which was managed by the state to prevent free exchanges between Chinese and foreign people. In the twenty-second year of Qianlong (1757), Qianlong made a decree in the Forbidden City: "The port is set in Guangdong, and foreign ships are allowed to dock in Guangdong." The other three ports were closed, and Guangzhou became the foreign trade center of Qing Dynasty. This export painting in Qing Dynasty depicts the scene of local businessmen talking with foreign businessmen. How prosperous is the thirteenth line? The 85-year-old "one-stop trade" has made Guangzhou’s routes to the world increasingly developed. In addition to the routes to the Indian Ocean, Nanyang, Japan and Europe that have been in use in the Ming Dynasty, it has also increased the routes to North America, Oceania and Russia through the Cape of Good Hope.In many places overseas, there are scenes of merchants from various countries shuttling around the "canton" thirteen-line commercial pavilion area and tens of thousands of races on the river, which makes people marvel at the prosperity of Guangzhou at that time. Although according to the regulations of the government, foreign businessmen could not live in Guangzhou at that time, but only in the suburbs or Huangpu Port, every rest day, businessmen or sailors could walk into the city gate and visit the flower pagoda and longevity temple of Haikuang Temple, and they could also visit scenic places such as Baiyun Mountain and Fangcun Flower Land. Guangzhou, a trading port, became the preferred "golden port" for western merchant ships after the opening and closing of the Qing Dynasty. Of course, silk porcelain, tea and homespun were exported, while wool, cotton, metals and spices were imported from abroad. In 1984, British divers found the Dutch merchant ship "Helder Malsen" which sank on the rocks in 1751. When it returned from China, it brought 147 pieces of gold, 239,000 pieces of porcelain in 203 boxes, 687,000 pounds of tea, textiles, lacquerware, sappan wood and thymelaeaceae. By 1986, when part of the sunken ship was salvaged for auction, the guests were dumbfounded by the dazzling array of goods. Qing dynasty export porcelain painted with ocean-going sailboats. In those days, foreign businessmen came to Guangzhou with great enthusiasm. Apart from Russian caravans crossing Siberia to the northern border of China and Portuguese merchant ships trading in Macau, neighboring countries and European and American countries, including the Netherlands, Spain, Britain, France, Sweden, Denmark, Belgium, Prussia, Italy, the United States and Peru, participated in the tribute trade with China.All of them are trading in the 13th Commercial Hall in Guangzhou. In Berlin Coin Museum, Germany, there is a silver coin with the head of Prussian king on the front and a Guangzhou businessman in Qing Dynasty costume on the back. There is a box of tea behind the businessman. This is a commemorative coin made for Prussian merchant ships who sailed to Guangzhou for the first time in the seventeenth year of Qianlong (1753), and it is the only commemorative coin in Europe with the image of Qing Dynasty. Among the foreign ships coming to China, there are also names with Chinese flavor, such as "Guangzhou", "Merchant of China" and "empress of china". This painting for export in Qing Dynasty reflects thirteen lines of street customs. It is worth mentioning that there are canton in many overseas places. For example, Canton in Massachusetts and Canton in Georgia are towns named after Guangzhou, while Canton in northeast Ohio is the largest Guangzhou city in the United States. Since the second half of the 18th century, there have been dozens of foreign merchant ships coming to Guangzhou every year, with more than 80 at the most. By the early 19th century, it had increased to one or two hundred. In 1784, the American merchant ship "empress of china" made its maiden voyage to Guangzhou with leather goods and American ginseng worth 120,000 US dollars. "empress of china" also kept all the naval equipment to prevent pirates from looting. On May 11th, 1785, "empress of china" returned to the United States, causing a sensation all over the country. All the goods on board were snapped up, and Washington, the founding president of the United States, also bought a teapot with a dragon pattern. Line 13 has "Tianzi Nanku"There is also a domineering name for the thirteen lines: "Tianzi Nanku". In the process of accumulating wealth, the court also got huge benefits from Guangzhou. From the first year of Daoguang (1821) to the seventeenth year of Daoguang (1837), more than 1.5 million taels of silver tax were received in Guangzhou every year, all of which were dominated by the royal family. The foreign firm also transported foreign goods such as ivory, enamel, snuff, clocks, glassware, gold and silver for the emperor. In the list of 1738, 88 of the 102 tributes were exotic foreign goods. In 1754, hall of mental cultivation was built in the Forbidden City in Beijing, which needed valuable timber from Nanyang, and Guangdong imported 56,400 Jin for it. In 1708, Kangxi suddenly became seriously ill and drank the red wine prepared by the foreign imperial doctor Rod, and his heartbeat quickly returned to normal. In the future, whenever foreign ships entered Hong Kong, Kangxi asked if there was any wine, and if there was, he asked for it to be transported to Beijing as soon as possible. Soon, the world wines gathered in Guangzhou, and a wine "hotline" was formed between Beijing and Guangzhou. In 1758, in an imperial edict, Qianlong instructed that "foreign clocks and watches, western gold beads, exotic furnishings or fresh utensils should be bought", and that "there is no need to cherish fees". It can be seen that Guangdong Customs, Guangzhou Foreign Firm and the court are inextricably linked, and the thirteenth line has become the only foreign goods supply place that the royal family can rely on, so it is called "Tianzi Nanku". The richest group in China relied on the monopoly privilege of foreign trade, and a number of China tycoons appeared in the 13th line, such as Pan Zhencheng, Wu Bingjian and Lu Guanheng, all of whom were rich, among which Wu Bingjian was the most prominent and became the richest man in the world at that time. Wu Bingjian has 26 million taels of silver,It is equivalent to more than 5 billion yuan today, and its income is half that of the Qing government. His son invests in railways in the United States, and the annual interest alone is more than 200,000 taels of silver. In addition, Shisanhang has also become a bridgehead for cultural exchanges between China and foreign countries. Chinese porcelain, export paintings and folk handicrafts are exported from here, and foreign scientific knowledge, culture and art are also introduced into China from here. Exquisite export products in Qing Dynasty. The picture shows the export porcelain candlestick in Qing Dynasty. The relationship between Shisanhang and the world far exceeds trade. In the history of Shisanhang, there were three big fires, and the last fire completely burned Shisanhang. The first fire was in 1822. A cake shop near Shisanhang caught fire, which affected Shisanhang. The fire burned for two days, and many foreign business halls and foreign firms were burned down. In 1842, the thirteenth line suffered a second fire. In 1856, when the Second Opium War broke out, the British army shelled Guangzhou and burned thirteen lines. All the buildings and goods in the thirteen lines were destroyed in the fire. "The connection between the thirteen lines and the world lies not only in trade. It is the first place where the eastern and western hemispheres blend in all directions in the fields of politics, economy, culture, religion, science and technology, language, art and law. " Lily li, curator of Thirteen Lines Museum, said. Tan Yuanheng, a professor and doctoral supervisor of South China University of Technology, believes that Guangzhou has its own urban pattern, which is the economic pattern naturally formed by commercial trade. From the "Fanfang" in the Middle Ages, the Haizhu Stone Commercial Port in the near ancient times, until the appearance of Guangzhou Thirteen Lines, Guangzhou was well-deserved as the "Millennium Commercial Capital". The formation of the city of Guangzhou,It is similar to Florence, Milan, Venice, Rome and other commercial cities with rich wealth in the west. It is the commercial prosperity since ancient times that created Guangzhou and gave birth to Guangzhou-from the beginning, Guangzhou has the characteristics of a marine and commercial city. Therefore, it is not difficult to understand that Shisanxing appeared in Guangzhou, and it was integrated into the world, becoming the earliest commercial leader with modern colors of China. The 13th Guangzhou Tour also has a positive impact on the development of the world economic system. Wang Yuanlin, director and professor of 13th Line Research Center of Guangzhou University, said that 13th Line has a merchant guarantee system, that is, the merchant guarantees many affairs of foreign merchant ships coming to China, bears many responsibilities such as guarantee, and may not owe foreign debts. Once the hong merchants go bankrupt due to debts owed to foreign merchants, other hong merchants will be responsible for sharing the compensation. "This’ sitting together’ guarantee system later became an important reference for the US banking deposit insurance system." Wang Yuanlin said. According to the Secret Files of Foreign Merchants in Qing Dynasty, an American businessman owed Jardine Matheson Wu Bingjian 72,000 silver dollars, which he was unable to repay. When Wu Bingjian tore up the IOUs, he used "Guangzhou English" in his dialogue with American businessmen. New Mission and New Action: Undertaking the historical mission of making friends with the world. Although the back of Guangzhou’s leap into a trillion-dollar city of foreign trade has disappeared in the long river of history, the legacy left by the thirteenth line-the business spirit of facing the world, being the first, being open and innovative, and striving for perfection-has been engraved in Guangzhou’s genes, and Guangzhou has always been at the forefront of China’s foreign trade exchanges. Two hundred years apart, history once again chose Guangzhou in 1951, in order to strengthen the circulation of urban and rural materials,Guangzhou decided to hold an unprecedented material exchange conference called South China Native Products Exhibition and Exchange Conference. Twelve permanent and semi-permanent exhibition halls have been built in the original site of Thirteen Lines. This modernist architectural complex also laid the foundation for the development of cultural parks in the future. In 1952, "Lingnan Cultural Relics Palace" was established at the site of the South China Native Products Exhibition and Exchange Conference, and became a famous exhibition place for cultural activities at that time. In January 1956, Lingnan Cultural Relics Palace was renamed Guangzhou Cultural Park. From "South China Native Products Exhibition and Exchange Conference" to "Lingnan Cultural Relics Palace" and then to "Guangzhou Cultural Park", the names were inscribed by Ye Jianying. Two hundred years after Thirteen Lines were born, history once again chose Guangzhou as the window for China’s foreign trade exchange. On April 25th, 1957, the first floor of Sino-Soviet Friendship Building in Liuhua Road, Guangzhou was filled with gongs and drums, and the first China Export Commodities Fair (hereinafter referred to as the Canton Fair) opened here! "’Poop-poop’ went through the tunnel and the clothes were blackened." At that time, Li Huan, a 31-year-old Hong Kong buyer, arrived at the meeting on a coal-burning train. Without much care, he excitedly squeezed into the cheering crowd. "I have confidence in the sales of domestic products," he recalled fondly. The original intention of the Canton Fair was to meet the needs of economic construction and develop international trade in exchange for foreign exchange. At that time, New China urgently needed to open a channel to connect with the international market, and use the commodity exhibition as a window to display and trade export commodities. The host city of this exhibition should have a foreign trade foundation and a unique geographical advantage.Looking at China at that time, Guangzhou was the best choice: Guangzhou had a long history of foreign trade and was the only trading port in China under the closed door policy of the feudal dynasty for a long time. In terms of location, Guangdong is close to Hong Kong and Macao, which is the most convenient for Hong Kong businessmen. Only Guangzhou in Guangdong can undertake the historical mission of "making friends with the world". The turnover of the first Canton Fair accounted for 20% of the country’s total foreign exchange income in that year, which opened a channel for new China to communicate with the world in the high-pressure international political environment and suffered from "economic blockade" and "goods embargo", and the abbreviation of "Canton Fair" soon became familiar to the world. Since then, the Canton Fair has been held regularly in spring and autumn every year without interruption. Thousands of China enterprises have successfully entered the international market through the Canton Fair, and their export commodities have also changed from primary products to "made in China" and "made in China", and from offline to online and offline integration … On October 15, 2021, the 130th Canton Fair kicked off. During the 65 years from 1957 to 2021, the Canton Fair moved four times in Guangzhou, and the construction area of the exhibition hall expanded from the initial 18,000 square meters to 1.1 million square meters today. The cumulative export turnover of the Canton Fair exceeded US$ 1.4 trillion, accounting for more than 50% of the national export proportion. It has established trade relations with more than 210 countries and regions around the world, and accumulated about 8.8 million overseas buyers flew across the ocean to participate in the conference. The turnover is far from comparable to that of the thirteen banks in that year. In 2021, the total import and export value of Guangzhou’s foreign trade reached 1,082.59 billion yuan.Become a "trillion city of foreign trade". Through the Canton Fair, "gathering customers from all over the world, selling goods from all over the world and selling goods from all over the world" became a reality. In the export painting of Qing Dynasty, a grocery store on the street of Guangzhou. Canton Fair promotes the safe and smooth operation of the global industrial chain and supply chain. On July 19th, 2021, the State Council announced the list of the first batch of cities to cultivate and build an international consumption center. There are five major cities in China, and Guangzhou is the only non-municipality directly under the Central Government. Guangzhou has tasted the "first soup" of cultivating and building an international consumption center city. It is reported that Guangzhou has started the cultivation and construction of an international consumption center city in an all-round way, and it is planned to basically build an intelligent, fashionable and modern international consumption center city facing the world in about five years, so as to realize the transformation from "selling the world" to "selling and buying the world". In 2016, Guangzhou established the 13th Line Museum in Guangzhou on the site of 13th Line Foreign Commercial Pavilion in Qing Dynasty (in Guangzhou Cultural Park). According to Wang Zhen, deputy director of Guangzhou Thirteen Lines Museum, there are more than 4,800 pieces (sets) of cultural relics in the collection, which show the history of Thirteen Lines by means of "cultural relics+historical documents", sand table and electronic animation. "To some extent, Line 13 has a wonderful connection with the Canton Fair." Ye Nong, a professor at China Institute of Cultural History of Jinan University, said this. Cantonese English is very popular. In the process of "one-stop trade" for a long time, Guangzhou people invented a special language-"Guangzhou English". At that time, the inventor of "Guangzhou English" marked the pronunciation of English words in Cantonese, and gradually formed a distinctive one."Local English". After the opening of Shanghai, "Guangzhou English" spread to Shanghai and became the originator of "Pidgin English". Can you understand "Guangzhou English" Chinese: chin-chin, how do you do, long time my no hab see you. (Please, hello! I haven’t seen you for a long time) Foreigner: l can secure hab long time before time my no have come this shop. (It’s really been a long time, I didn’t come to your shop last time) Chinese: Hi-ya, so, eh! What thing wantchee? Oh, really, what do you want? ) foreigner: oh, some little chow-chow thing. you have got some ginger sweet? Oh, I want something small. Do you have any ginger preserves? ) Chinese: Just Now No Got, L Think Canton Habgot Velly Few That Sutemeet. (Not now, I think there are few such candied fruits in Guangzhou) (Excerpted from Wu Yixiong’s "Guangzhou English" and Chinese-Western Communication before the mid-19th century).The deep contact between the first group of people who opened their eyes to the world and foreigners in China made Thirteen Hong Merchants become the first group of people who opened their eyes to the world in China. During the Opium War, thirteen merchants took the lead in donating money to introduce advanced western technology and upgrade the equipment of Guangdong Navy. Pan Shirong devoted himself to imitating the most advanced steamship in the world at that time; Pan Shicheng hired a US naval officer with a high salary to copy the earliest modern mine in China-"Ship Attack Mine"; Zheng Chongqian was the first Chinese to spread the vaccinia law. The Wu family contributed a lot to the introduction of western medicine into China. The Vaccinium Vaccination Bureau, the first hospital in China, and the Ophthalmology Medical Bureau of Peter Peter Parker also received strong support from the Wu family. It can be said that the thirteen-line merchants were the earliest practitioners of "learning from foreigners to control foreigners", which was 20 years earlier than the Westernization Movement in the late Qing Dynasty. After the end of the "one-stop trade" era, a large number of Guangzhou foreign trade businessmen moved to Shanghai and Hong Kong, forming the first wave of immigration in Shanghai. In the 1950s, Shanghai replaced Guangzhou as the largest trading port in China. What attracted the most attention from Guangdong was no longer goods, but a group of people called "comprador". The original Shanghai foreign firm was "comprador" and "half of it was made by Cantonese people". After arriving in Shanghai, Guangdong Hong merchants bought a large number of properties and real estate, and planned to build a Shanghai version of the "Thirteen Hong Merchants Pavilion" and rent it to foreign businessmen. However, because local officials accepted bribes from British businessmen, Guangdong merchants are nominally property owners of real estate and real estate.However, he was deprived of the right to dispose of real estate and real estate, and was forced to rent it to the British permanently without receiving the rent. Relying on this concession, British businessmen expanded step by step in Shanghai, and finally the Bund was formed in this area. The annotation "line, column also" in "thirteen lines" is "the place where goods live", which is the definition of "line" in ancient books. Guangzhou Shisanhang was a firm specializing in foreign trade in the Qing Dynasty, and it was a monopoly institution designated by the Qing government to specialize in foreign trade. In 1813 and 1837, there happened to be thirteen firms, such as Jardine Matheson of Wu Bingjian, Kwong Lee of Lu Jiguang, Tong Fu of Pan Shaoguang, etc., but the number of the firms varied, ranging from four to more than twenty, and the "thirteen firms" were just the established appellation. The names of banks often change, including Xinglong, Lianxing, Dexing, Zhengxing, Tongxing, Yuanchang, Jinyuan, Yihe and Baoshun. Among them, Pan, Wu, Lu and Ye, the four major merchants, had more property than the national treasury income at that time, and they were truly "extremely rich". According to Wang Zhen, deputy director of the Thirteen Lines Museum in Guangzhou, according to historical records, the Thirteen Lines Site is located in today’s Guangzhou Cultural Park and its surrounding areas, including the China line number and the foreign commercial museum. The China line number is scattered, and some line numbers are outside the Thirteen Lines Street; However, foreign commercial pavilions are relatively concentrated, and the houses are all built facing the Pearl River, like a floating city on the water.

With the increase in the number of new energy vehicles, the demand for charging and replacing facilities for new energy vehicles has increased simultaneously. Due to the relative shortage of land and power resources in China, we think that with the continuous increase of vehicle ownership,The power exchange mode is expected to be a good supplement to the charging mode, and it has broad medium and long-term development prospects.

Nowadays, the construction and operators of power exchange stations are responsible for the construction and operation of power exchange stations and provide power exchange services to the market. Among them,Power exchange system is the core of power exchange station.

Image source: Wei Lai

So, what is it?"Power exchange system"And?

What is the power exchange system?

Power exchange station refers to a power station that stores, charges and distributes a large number of batteries in a centralized charging station, and provides battery exchange service for electric vehicles in the battery distribution station or integrates battery charging, logistics deployment and power exchange service itself.

The power exchange station mainly includes positioning system, power exchange system, operation and maintenance system, security system and logistics system.The power exchange system is the core of the power exchange station.It consists of a power exchange platform, a stacker, a lifting mechanism, a locking mechanism and a connector.

Schematic diagram of vehicle-mounted power exchange system

The power exchange system is also an important part of the power exchange technology of electric vehicles.Its main function is to unload the battery from the electric vehicle, transport it to the battery compartment for charging, and at the same time obtain the fully charged battery from the battery compartment and install it on the electric vehicle to complete the power replacement work.

Composition of power exchange system

The power exchange system consists of the following key parts:

1. Power-changing robot:This is one of the most important equipment in the power exchange system, which is responsible for the disassembly and installation of the battery.

2. Add unlocking platform:Realize the replacement and unlocking functions of vehicle battery pack.

3. Stacker:Used to transport and exchange batteries.

?4. Lock the link component:Realize the rapid and automatic locking and separation of the power battery and the car body.

5. Quick-change electrical connector, liquid-cooled connector and water connector:These connectors play a key role in the process of power exchange, ensuring the fast connection and stable power supply of the battery.

Classification of power exchange system

According to different functions, the power exchange system can be divided into the following ways:

?1. Vertical power exchange of chassis:Dismantle the original battery pack from the lower part of the chassis and replace it with a new battery pack. It is suitable for cars, SUVs, MPVs and light logistics vehicles, with a high degree of automation, but a new fixed power station needs to be built.

?2, chassis side for electricity:The battery is fixed in the form of a frame, and the operation is complicated and long.

?3, box for electricity:Battery compartment replacement is suitable for scenes that require less space and time.

Application Scenarios of Power Exchange System

The power exchange system is mainly used in commercial vehicles and private passenger cars.Especially in the high-frequency use scene that needs rapid recharge, the effect is remarkable.For example, the energy management system of heavy trucks can improve the efficiency of power exchange, optimize energy utilization and reduce operating costs through intelligent and automatic means.

• ?Shared electric vehicle field:As the new favorite of urban short-distance transportation, shared electric vehicles provide a reliable charging solution for them. By arranging power exchange stations in different areas, users can conveniently park electric vehicles on the stations for battery replacement, thus realizing long-term use.
• Logistics distribution field:In the field of logistics and distribution, electric vehicles have become an important means of transportation. The application of power exchange mode provides an efficient and convenient charging scheme for logistics distribution vehicles. Logistics enterprises can replace batteries at their own distribution sites or partner’s power exchange sites without waiting for charging time, which improves distribution efficiency.
• ?Travel and tourism field:In tourist attractions or city power exchange stations, visitors can easily change batteries and continue their journey. This not only reduces the charging time of tourist vehicles, but also avoids the embarrassing situation that they can’t continue driving because of insufficient batteries. At the same time, the power exchange mode avoids the trouble of tourists looking for charging piles during the tour and improves the convenience of travel.
• ?Urban public transport field:Electric buses, electric taxis and other vehicles can replace batteries at bus stops or special power exchange stations, which can quickly restore power and improve operational efficiency. At the same time, the power exchange mode solves the problem of the shortage of charging pile resources in the traditional charging mode, and provides better service for public transportation.

Advantages and disadvantages of power exchange system

The main advantage of the power exchange system is that itEfficiency and convenience.Compared with the traditional charging method, the process of changing power is usually completed in a few minutes, which greatly shortens the charging time of electric vehicles. In addition, the power exchange system can also be standardized, so that different brands and models of electric vehicles can share the same set of power exchange facilities.And the utilization rate and compatibility of facilities are improved.

First, advantages:

Quick recharge:The process of power exchange is usually completed in a few minutes, which improves the efficiency of energy supply.

Battery maintenance:Through centralized charging and unified management, it is helpful to prolong battery life.

Boost battery recovery:Standardized batteries are easy to recycle, reduce recycling costs and improve resource recycling efficiency.

Image source: Futaijie Testing Innovation Center, the picture shows the new energy vehicle power exchange system.

Second, the shortcomings:

Technical standards are not uniform:The battery specifications and interfaces of different car companies are different, which makes it difficult to use the power exchange equipment universally and increases the construction and operation costs.

High construction cost:The construction cost of power exchange station is high, including equipment purchase, site construction and power facilities transformation.

Impact of technical iteration:With the development of battery technology, the advantages of battery replacement technology may be weakened, such as the development of overcharge technology may shorten the charging time.

Technical requirements of power exchange system

The realization of power exchange system needs high-precision mechanical arm, intelligent identification system and efficient battery management system and other technical support. The integration of these technologiesIt ensures the safety, rapidity and convenience of the power exchange process.

The technical requirements of the power exchange system mainly include the following aspects:

?Security:The design and manufacture of power exchange system shall meet the following requirementsReplace the battery pack safely, quickly and reliablyRequirements. In the design life cycle, the system should have the functions of electricity, communication, thermal management, etc. that meet interoperability.

?Electrical connection:The electrical connection of the power exchange system shall meet the following requirementsPower transmission, information interaction and security protectionBasic functional requirements of.

Communication protocol:The power exchange system shallIt has the function of connecting with the vehicle electric platform.The system should support a variety of communication protocols, including but not limited to CAN bus communication protocol, to ensure the accurate transmission of battery information, relay information, energy estimation and other data.

Interoperability:Power exchange systemShould be interoperable,Ensure that different brands and models of battery boxes are compatible. This includes the overall size of the battery box, the upper interface of the battery box, the lower interface of the battery box, the power exchange interface of the vehicle bracket and other technical requirements.

Maintenance and replacement requirements:The consumable parts in the power exchange system should be in the vehicle instruction manual.Clearly mark its scope, maintenance and replacement requirements.During the maintenance period specified by the vehicle manufacturer, the easily worn parts should not fail.

Thermal management and fault diagnosis:Power exchange systemShould have thermal management function,Ensure the temperature control of the battery during operation. In addition, the system should also have fault diagnosis function, which can monitor and report the battery status, relay status, energy estimation and other information in real time to ensure the stable operation of the system.

Standardization and compatibility:Power exchange systemShould follow the relevant national standards and industry standards,Such as GB/T 37133 and related standards and specifications, to ensure the standardization and compatibility of the system.

By meeting these technical requirements, the safety, reliability and interoperability of the power exchange system can be ensured, and the use experience and operation efficiency of electric vehicles can be improved.

Challenges faced by power exchange system

However, the power exchange system also faces some challenges, such asThe investment cost is high and the battery standardization is not uniform.Problems such as the following aspects:

1, the construction cost is high:The construction and maintenance of power exchange station need a lot of capital investment, including equipment purchase, site lease, personnel training, etc. In addition, with the continuous expansion of the electric vehicle market and the increasing number of models, the power exchange station needs to be continuously upgraded and expanded to meet the needs of different brands and models, which further aggravates the cost pressure.

?2. Limited penetration rate:At present, the number of stations that can provide power exchange services in the market is relatively small and unevenly distributed, which leads many electric vehicle owners to find suitable power exchange stations when they need to charge, thus affecting their car experience.

3, technical standards are not uniform:The power exchange standards among different car companies are not uniform, which leads to the limited popularization and application scope of power exchange stations. If the structure of the vehicle, the shape and packaging of the battery are not unified, it is impossible to change the electricity.

4, security issues:The power battery will be attenuated, and if the battery state cannot be guaranteed to be unified, it will bring security risks. In addition, how to ensure the safety of the battery in the process of power exchange is also a problem that needs to be solved.

5. Operation mode and charging standard:Reasonable operation mode and charging standard are the key to the comprehensive promotion of the whole power exchange mode. At present, these problems have not been well solved.

6. Insufficient policy support:Although the government has played an important role in promoting the construction of charging facilities, the promotion of power exchange system and mode needs more policy support and market guidance.

Future development trend of power exchange system

The future development trend of power exchange system mainly includesTechnological innovation, policy support, business model innovation and extensive application scenariosThe expansion of. ?

I. Technological innovation

1, battery standardization design:With the progress of battery technology, the battery will be standardized in the future, and different brands of new energy vehicles will adopt unified battery specifications and interfaces, which will greatly promote the popularization of power exchange mode, reduce operating costs and improve service quality.

2, technological innovation and intelligent management:With the development of technology, the power exchange system will become more intelligent and efficient. Through the Internet of Things (IoT) and artificial intelligence (AI) technologies, the power exchange station will be able to monitor the battery health status in real time and optimize the energy storage and power exchange process.

Second, policy support

1. Government policy support:The government will continue to increase its support for new energy vehicles, and introduce more policies to support the power exchange mode, including subsidies and tax incentives, so as to encourage enterprises to invest in research and development and promote the power exchange mode.

2. Infrastructure construction:The government will increase investment in the construction of charging facilities and power exchange stations to provide strong support for the development of power exchange systems.

Third, diversification of business models

The power exchange industry is not limited to providing battery replacement services.Related enterprises will explore more value-added services.These may include cooperation with public transportation and logistics industries, or providing comprehensive services such as car cleaning and vehicle inspection. This diversified business model can not only increase revenue sources, but also enhance customer stickiness.

Fourth, the expansion of extensive application scenarios

1, the field of electric vehicles:The power exchange system can prolong the battery life and promote the popularization of electric vehicles.

2. UAV field:The power exchange system can prolong the life of the UAV, quickly resume the task and reduce the operating cost.

3. Smart home and standby power supply:The power exchange system can also play a role in smart home and standby power supply.

In a word, the future development prospect of power exchange system is broad, and technological innovation, policy support and business model innovation will continue to promote its development.And is widely used in more application scenarios.

Digital monitoring and operation and maintenance solution of charging and replacing power station

9.1. Equipment Configuration and Networking Scheme

On-site box substation equipped withAnkerui microcomputer protection, harmonic detection, multifunctional instrument, wireless temperature measurement, reactive power compensation controller and intelligent capacitor compensation device.. These devices are connected to the intelligent gateway ANet-2E4SM through RS485 bus, and uploaded to the operation and maintenance management platform of Weilai charging and replacing power station through 4G network. The specific equipment configuration and networking structure are shown in the figure.

Configuration of Intelligent Device in Box Substation of Charging and Replacing Power Station

Structure diagram of field equipment networking

9.2. Equipment Selection Table

9.3. Intelligent Gateway and Platform

In view of the fact that Weilai has established the operation and maintenance management platform for charging and replacing power stations, the box transformer data in this project has passed.ANet-2E4SM intelligent gateway for acquisition., and upload to the platform according to the data format specified by Weilai Transportation Management Platform. The intelligent gateway has built-in embedded system, which integrates many functions such as local data acquisition, logical judgment, protocol conversion, breakpoint continuation, data encryption and protocol customization, ensuring seamless docking with the superior platform.

Ankerui Acrelcloud-1000The power operation and maintenance platform can also meet the operation and maintenance management requirements of box transformers.. The platform can access thousands of users’ substation data. The data it collects covers the electrical parameters and environmental information of the substation, such as current, voltage, power, switch state, transformer temperature, environmental temperature and humidity, water immersion, smoke concentration, video monitoring and access control system. Once an abnormal situation occurs, the platform can send an alarm signal through SMS and mobile application within 10 seconds. In addition, the platform also supports sending tasks to operation and maintenance personnel through mobile applications, and tracking the implementation of tasks by Beidou positioning system to realize closed-loop management, thus improving operation and maintenance efficiency and ensuring that potential defects are discovered and handled in time.

9.3.1 Electric Power Detection

The operation and maintenance platform collects the data of box transformer and distribution system through 4G network, including current, voltage, power, electric energy and switch state, and grasps the real-time and historical data of box transformer.

9.3.2 Electric Energy Statistics

Based on the time-sharing power of Peak Pinggu, the power consumption and electricity cost in different periods are counted, and daily, monthly and annual reports are formed. Through year-on-year analysis and comparison, it is convenient for users to calculate operating costs.

9.3.3 Abnormal alarm

Box transformer current, voltage, power, switch state, transformer load rate and winding temperature, electrical contact temperature, environmental temperature and humidity, smoke, immersion, video, access control information, and alarm information will be sent to the operation and maintenance personnel through APP and SMS in case of abnormal situation.

9.3.4 Operation and Maintenance Management

It can help users to make inspection plans, record the defects found in inspection, distribute work orders to eliminate defects, check the inspection trajectory positioning and repair progress, feedback the task progress, etc., and close the operation and maintenance management process.

9.3.5 User reports

The operation and maintenance platform automatically generates a diagnosis report on the power consumption and operation of users, provides periodic diagnosis reports on the operation of the distribution system, summarizes the problems existing in the distribution system, and puts forward suggestions for improvement.

　　In order to implement the deployment of the Central Committee of the Communist Party of China, the State Council and the provincial party committee and government on the prevention and control of pneumonia in novel coronavirus, ensure the implementation of a series of measures for the prevention and control of the epidemic in the province, resolutely win the war of prevention and control of the epidemic, earnestly safeguard people’s life safety and health, and ensure a stable and orderly society, we hereby notify you as follows according to the relevant provisions of the Criminal Law of People’s Republic of China (PRC), the Law of People’s Republic of China (PRC) on Public Security Administration Punishment, the Law of People’s Republic of China (PRC) on the Prevention and Control of Infectious Diseases, the Law of People’s Republic of China (PRC) on Emergency Response and related judicial interpretations.

　　First, severely crack down on refusal to cooperate with prevention and control measures according to law. Refusing to implement the prevention and control measures issued by government departments in accordance with the law, not wearing masks in public places, not listening to dissuasion, disturbing public order, or refusing to cooperate with the prevention and control measures such as temperature detection, infectious disease investigation, sample collection and testing, environmental sanitation improvement and sterilization adopted by health and epidemic prevention, medical and health institutions, street, community, village (neighborhood) committees and other organizations and personnel, and not listening to dissuasion, shall be given a heavier punishment in accordance with the relevant provisions of the Law on Public Security Administration Punishment; Those who violently resist the law shall be strictly investigated for criminal responsibility according to law.

　　Two, severely crack down on refusing to cooperate with health registration and isolation measures in accordance with the law. Anyone who comes from or passes through the key areas of the epidemic and has close contact with the above-mentioned personnel, confirmed or suspected cases of pneumonia in novel coronavirus should take the initiative to accept the temperature test, truthfully register for health according to the relevant requirements of the city and county (city, district), and observe at home in isolation or centralized isolation for 14 days according to the requirements of the local authorities. Those who fail to register the report voluntarily in accordance with the regulations, fail to tell the truth when the staff asks, or refuse to carry out relevant testing, home isolation observation, centralized isolation observation and isolation treatment measures, and do not listen to dissuasion, which constitutes a violation of public security management, shall be given a heavier punishment in accordance with the relevant provisions of the Law on Public Security Administration Punishment; Those who cause novel coronavirus to spread or are in serious danger of spreading shall be strictly investigated for criminal responsibility according to law.

　　Three, severely crack down on disrupting medical order in accordance with the law. Threatening, beating medical personnel, causing trouble in medical institutions, causing much ado about nothing, disrupting medical order, shall be given a heavier punishment in accordance with the relevant provisions of the Law on Public Security Administration Punishment; Intentionally injuring medical personnel, causing serious consequences such as minor injuries, or intentionally destroying protective equipment such as protective clothing, goggles and masks of medical personnel, endangering the personal safety of medical personnel or causing serious consequences, criminal responsibility shall be strictly investigated according to law.

　　Four, severely crack down on intentional transmission of diseases according to law. Anyone who knowingly infects or is suspected of infecting novel coronavirus, intentionally enters or leaves public places, or conceals information and contacts with others, thus endangering public safety or causing serious consequences, shall be strictly investigated for criminal responsibility according to law.

　　Five, severely crack down on the production and sale of fake and shoddy epidemic prevention and control products. Manufacturing and selling fake and shoddy masks, protective clothing, goggles and other medical equipment, manufacturing and selling fake and inferior epidemic prevention drugs, and producing and selling epidemic prevention and control products that are adulterated, fake and shoddy, and the amount is relatively large, criminal responsibility shall be strictly investigated according to law.

　　Six, according to the law to crack down on the use of epidemic fraud. Those who cheat by selling masks, protective clothing, goggles and other prevention and control products, collecting donated materials, online diagnosis, etc. through telephone, SMS, WeChat, Weibo and online platforms shall be strictly investigated for criminal responsibility according to law.

　　Seven, according to the law to crack down on the illegal use of epidemic behavior. Operators who drive up prices, hoard and profiteer, and seriously disrupt the market order, shall be strictly investigated for criminal responsibility according to law.

　　Eight, severely crack down on rumors and rumors involving the epidemic in accordance with the law. Those who spread rumors about the epidemic situation and make false reports about the epidemic situation shall be given a heavier punishment in accordance with the relevant provisions of the Public Security Administration Punishment Law; Whoever fabricates, intentionally disseminates or disseminates false epidemic information, creates rumors, instigates troubles, seriously disrupts social order or causes serious public disorder, shall be strictly investigated for criminal responsibility according to law.

　　Nine, severely crack down on illegal acquisition, transportation and sale of wild animals in accordance with the law. Those who illegally hunt, kill, purchase, transport or sell rare and endangered wild animals and their products under special state protection shall be strictly investigated for criminal responsibility according to law.

　　Please ask the masses to actively report illegal and criminal clues related to epidemic prevention and control to the local public security organs or call 110 to jointly safeguard public health safety and social order. This circular shall come into force as of the date of promulgation.

　　This is for your information.

Guangdong Provincial Public Security Department

February 5, 2020