Charging pile is a replenishing device that provides electricity for electric vehicles, and its function is similar to that of a refueling machine in a gas station. Charging piles can be fixed on the ground or walls, installed in public buildings (charging stations, shopping malls, public parking lots, etc.) and residential parking lots, and can charge various types of electric vehicles according to the adjusted voltage and current.
The input end of the charging pile is directly connected to the AC power grid, and the output end is equipped with a charging plug for charging electric vehicles. Charging piles generally provide two charging methods: conventional charging and fast charging. People can use a specific charging card to swipe the card on the human-computer interactive interface provided by the charging pile to carry out the corresponding charging operation and cost data printing. The charging pile display screen can display the charging amount, cost, charging time and other data.
In addition, there are many ways to classify charging piles:
1. According to the installation location, it is divided into public charging pile, special charging pile and self-use charging pile. Public charging piles are built in public parking lots (garages) combined with parking berths to provide public charging services for social vehicles. The special charging pile is the construction unit (enterprise) own parking lot (library), for the unit (enterprise) internal personnel to use the charging pile; Self-use charging pile is a charging pile built in an individual's own parking space (library) to provide charging for individuals.
2. According to the different charging interfaces, it is mainly divided into one charge and one multi-charge. One charge is a charging pile for only one electric car charge; A multi-charge is a charging pile with multiple interfaces, which can charge more than one electric vehicle at the same time.
3. According to different power supply methods, it can be divided into AC charging pile and DC charging pile. Ac-dc integrated charging pile can realize both DC charging and AC charging.
The working principle of charging pile mainly involves two aspects of electric energy conversion and transmission. First, the charging pile is connected to the mains or other power source to provide the electrical energy required during the charging process. Then, for the DC charging pile, the electric energy will be converted into alternating current by the converter; For the AC charging pile, the electric energy will be converted into direct current through the rectifier to meet the charging needs of the electric vehicle.
The application scenario of charging pile is very wide, including residential quarters, office buildings, urban public places and so on. In residential communities, charging piles can meet the charging needs of multiple battery vehicles. Through remote monitoring and management system, managers can monitor the running status of charging piles in real time to improve charging efficiency. In the office building area, the charging pile supports fast charging and intelligent management, and users can query the idle situation of the charging pile in real time and make an appointment for charging time. In urban public places, such as shopping malls, large supermarkets, public parking lots, etc., charging piles provide convenient charging services for citizens.
With the rapid development of the new energy vehicle market, the construction of charging piles has also shown a vigorous trend. The government has issued a series of policies to promote the construction of charging infrastructure, such as the "Guiding Opinions on Further Building a high-quality charging infrastructure System" issued by The General Office of the State Council, which defines the goal of building a high-quality charging infrastructure system with extensive coverage, moderate scale, reasonable structure and perfect functions by 2030. At the same time, enterprises also actively participate in the construction and operation of charging piles, such as Huawei and 11 car companies to establish the "supercharge alliance" to jointly promote the construction and development of the supercharge network.
In short, as an important link of the new energy automobile industry chain, the construction and development of charging pile is of great significance to promote the development of the new energy automobile industry and meet the people's travel charging needs. Charging pile is a supplementary device that provides electricity for electric vehicles, and its function is similar to the refueling machine in the gas station. Charging piles can be fixed on the ground or walls, installed in public buildings (charging stations, shopping malls, public parking lots, etc.) and residential parking lots, and can charge various types of electric vehicles according to the adjusted voltage and current.
The input end of the charging pile is directly connected to the AC power grid, and the output end is equipped with a charging plug for charging electric vehicles. Charging piles generally provide two charging methods: conventional charging and fast charging. People can use a specific charging card to swipe the card on the human-computer interactive interface provided by the charging pile to carry out the corresponding charging operation and cost data printing. The charging pile display screen can display the charging amount, cost, charging time and other data.
In addition, there are many ways to classify charging piles:
1. According to the installation location, it is divided into public charging pile, special charging pile and self-use charging pile. Public charging piles are built in public parking lots (garages) combined with parking berths to provide public charging services for social vehicles. The special charging pile is the construction unit (enterprise) own parking lot (library), for the unit (enterprise) internal personnel to use the charging pile; Self-use charging pile is a charging pile built in an individual's own parking space (library) to provide charging for individuals.
2. According to the different charging interfaces, it is mainly divided into one charge and one multi-charge. One charge is a charging pile for only one electric car charge; A multi-charge is a charging pile with multiple interfaces, which can charge more than one electric vehicle at the same time.
3. According to different power supply methods, it can be divided into AC charging pile and DC charging pile. Ac-dc integrated charging pile can realize both DC charging and AC charging.
The working principle of charging pile mainly involves two aspects of electric energy conversion and transmission. First, the charging pile is connected to the mains or other power source to provide the electrical energy required during the charging process. Then, for the DC charging pile, the electric energy will be converted into alternating current by the converter; For the AC charging pile, the electric energy will be converted into direct current through the rectifier to meet the charging needs of the electric vehicle.
The application scenario of charging pile is very wide, including residential quarters, office buildings, urban public places and so on. In residential communities, charging piles can meet the charging needs of multiple battery vehicles. Through remote monitoring and management system, managers can monitor the running status of charging piles in real time to improve charging efficiency. In the office building area, the charging pile supports fast charging and intelligent management, and users can query the idle situation of the charging pile in real time and make an appointment for charging time. In urban public places, such as shopping malls, large supermarkets, public parking lots, etc., charging piles provide convenient charging services for citizens.
With the rapid development of the new energy vehicle market, the construction of charging piles has also shown a vigorous trend. The government has issued a series of policies to promote the construction of charging infrastructure, such as the "Guiding Opinions on Further Building a high-quality charging infrastructure System" issued by The General Office of the State Council, which defines the goal of building a high-quality charging infrastructure system with extensive coverage, moderate scale, reasonable structure and perfect functions by 2030. At the same time, enterprises also actively participate in the construction and operation of charging piles, such as Huawei and 11 car companies to establish the "supercharge alliance" to jointly promote the construction and development of the supercharge network.
In short, as an important link of the new energy automobile industry chain, the construction and development of charging piles is of great significance to promote the development of the new energy automobile industry and meet the people's travel charging needs
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