The invention provides an electric vehicle charging system and a high-current quick charging method. The high-current quick charging method comprises the steps that a charger and an electric vehicle respectively detect the number of charging guns; the charger and the electric vehicle perform information interaction to judge whether the number of the charging guns detected by the charger is consistent with that of the charging guns detected by the electric vehicle or not; if the number of the charging guns detected by the charger is consistent with that of the charging guns detected by the electric vehicle, the electric vehicle sends an electric vehicle quick charging response message and a vehicle identification message to the charger; and after the charger receives the quick charging response message and the vehicle identification message of the electric vehicle, the charger outputs a corresponding high current to charge the electric vehicle according to a high-current charging current value in the quick charging message of the charger. According to the technical scheme provided by the invention, whether the connection between the charger and the electric vehicle is reliable or not is judged according to whether the number of the charging guns detected by the charger is consistent with that of the charging guns detected by the electric vehicle or not, and the problem that thereliability of the charging process is poor when multiple charging guns are adopted for charging in the prior art can be solved.

    本发明提供一种电动汽车充电系统和大电流快充方法,大电流快充方法包括如下步骤:充电机和电动汽车分别检测充电枪的数量;充电机与电动汽车进行信息交互以判断两者检测到的充电枪数量是否一致;如果充电机与电动汽车检测到的充电枪数量一致,则电动汽车向充电机发送电动汽车快充响应报文和车辆辨识报文;充电机在接收到电动汽车的快充响应报文和车辆辨识报文后,按照充电机快充报文中大电流充电电流值输出相应的大电流给电动汽车充电。本发明提供的技术方案,根据充电机和电动汽车所检测到的充电枪数量是否一致判断出充电机与电动汽车之间的连接是否可靠,能够解决现有技术中采用多充电枪进行充电时充电过程可靠性较差的问题。


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    Title :

    Electric vehicle charging system and high-current quick charging method


    Additional title:

    一种电动汽车充电系统和大电流快充方法


    Contributors:
    ZHANG XIAOYING (author) / WANG KECHENG (author) / YOU XIANGLONG (author) / ZHAO YUBIN (author)

    Publication date :

    2020-07-07


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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