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With the rapid development of China's economy, the means of transportation have also been greatly improved. As a new type of transportation developed in recent years, electric vehicles have the advantages of portability, environmental protection, economy and many other transportation tools do not have. The safe and environment-friendly electric vehicles replacing motorcycles have become an indisputable national industrial orientation under the extreme pressure of urban traffic and environmental protection in China; At the same time, with the improvement of urban and rural road construction and road conditions in China, it has become an irreversible market demand trend for more efficient, economical and practical electric bicycles to replace traditional bicycles.

Electric vehicle charging station is similar to automobile gas station, which is a kind of "power on" equipment. It is a high efficiency charger. Equipment that can charge electric bicycles, electric vehicles, elderly scooters, etc. According to the charging speed, it can be divided into fast charging station and slow charging station.

Electric vehicle fast charging station: commonly known as fast charging, it can be set up in street shops, street communities, newspaper kiosks, car storage sheds, etc. like a car gas station. The electric vehicle charging station is an ICM step wave six stage charging similar to mobile phone charging, which has a good de vulcanization effect. It can activate the battery first, and then carry out maintenance type fast charging. It has the functions of timing, full alarm, computer fast charging, password control, self identification voltage, multiple protection, four-way output, etc. it is equipped with a universal output interface, which can quickly charge all electric vehicles. However, the disadvantage of the fast charging station is that it will cause damage to the batteries and batteries of electric vehicles.

Electric vehicle slow charging station: commonly known as slow charging, the general charging time is 3-4 hours. The charging speed of slow charging is lower than that of fast charging, but it can make up for the shortage of fast charging and will not cause damage to the battery and battery. Slow charging is very popular with residential properties.

Structure principle of electric vehicle charging station

1. Basic structure of charging station

The box type electric vehicle quick charging station is composed of primary primary side charger (charging regenerative energy storage battery), energy storage battery, secondary secondary secondary side quick charger (charging electric vehicle), regenerative battery maintenance machine, billing control system, cable distribution system and machine room.

1. Operating principle of charging station

At ordinary times (priority at night), the grid power will charge the regenerative battery through the primary primary side charger. Since there is no time requirement for energy storage charging, it can be charged slowly with a small current. The charging current can automatically arrange the charging time according to the battery power, and the nighttime low power can be used to the maximum extent. When it is necessary to charge the electric vehicle, according to the maximum allowable charging current and voltage of the electric vehicle, the secondary side fast charger is used to quickly charge the electric vehicle. Since the charging process is "reverse charging" from the energy storage battery to the electric vehicle, rather than directly from the power grid, Therefore, there is no interference to the power grid (if the power is directly taken from the power grid with high power, it will seriously interfere with the power grid, not only affect other users, but also threaten the power grid equipment).

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