Four Knowledge Points about Electric Vehicle Charging(2)
June 13,2022
Wholesale Supply electric vehicle charging outlet plug types manufacturer
In the previous blog, we mentioned the two knowledge points of electric vehicle charging must get. Today, we will continue to talk about the remaining two knowledge points.
What's wrong with the electric car?
The charging process of an electric vehicle is mainly divided into six steps: physical connection, low-voltage auxiliary power on, charging handshake, charging parameter configuration, charging and charging end.
When the charging pile charges the electric vehicle, the first condition to be met is the matching of the charging gun and the charging interface, that is, the physical connection. If the charging gun can be inserted into the car normally, the charging foundation is established. Low voltage auxiliary power on is the process of powering on the BMS of the vehicle. Only when the BMS is powered on can it further shake hands and communicate with the charging pile, that is, mutually confirm the version. If the version is the same, BMS will send detailed vehicle information to exchange information with the charging point. In the process of automobile charging, a large number of messages will be generated between the two. If there is a mismatch, the normal charging work cannot be completed.
Generally, once a charging failure or charging interruption occurs, the charging point will display the charging failure reason code. The meanings of these codes can be found on the Internet, but it is a waste of time to query the codes. It is recommended to call the charging pile customer service or ask the charging station staff about the meaning of the fault codes prompted to determine whether the charging fault is caused by the car or the charging pile.
Can't electric cars be recharged on rainy days?
On rainy days, many car owners worry that the rainwater will penetrate the battery during driving or charging, resulting in leakage.
In fact, the state strictly controls the waterproof performance of charging piles, charging gun sockets, and other components to avoid electric leakage and other accidents during charging. As far as the electric vehicle itself is concerned, the on-board power batteries adopt the waterproof design, and the charging ports adopt an insulated sealing ring design.
Therefore, the electric vehicle can be charged on rainy days, but during the charging operation, umbrellas and other items shall be used for shielding and protection to ensure that the charging port and charging gun are in a dry state, and the hands shall be kept dry when plugging in and out the electric gun and closing the vehicle charging cover. In case of thunderstorms, typhoons, and other bad weather, try not to choose outdoor charging, focusing on personal safety.
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