The invention provides a power supply system of an electric vehicle, the electric vehicle and a power battery control method, and relates to the technical field of vehicles. The power supply system comprises a charging system, a power battery system and an electric driving system. The power battery system comprises a power battery and a battery management system. The first slave controller is in communication connection with the first master controller, and the first master controller and the second master controller are in communication connection with the master control unit; a preset power supply end of the first power battery is electrically connected with one end of a first relay, the other end of the first relay is electrically connected with an electric input end of an electric driving unit in a power supply system of the electric automobile, and a preset power supply end of the second power battery is electrically connected with one end of a second relay; the other end of the second relay is electrically connected with an electric input end of an electric driving unit; the control ends of the first relay and the second relay are respectively in communication connection with the first master control and the second master control. According to the power supply system, the second power battery can be used when the first power battery cannot work, and it is ensured that the power utilization requirement of the electric automobile is met.

    本申请提供一种电动汽车的供电系统、电动汽车及动力电池控制方法,涉及车辆技术领域。供电系统包括充电系统、动力电池系统及用电驱动系统,动力电池系统包括动力电池、电池管理系统;第一从控通信连接第一主控,第一主控和第二主控均通信连接总控单元;第一动力电池的预设电源端电连接第一继电器的一端,第一继电器的另一端用于电连接电动汽车的供电系统中的用电驱动单元的电输入端,第二动力电池的预设电源端电连接第二继电器的一端,第二继电器的另一端用于电连接用电驱动单元的电输入端;第一继电器和第二继电器的控制端分别通信连接第一主控和第二主控。该供电系统在第一动力电池无法工作时能使用第二动力电池,确保满足电动汽车的用电需求。


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    Title :

    Power supply system of electric automobile, electric automobile and power battery control method


    Additional title:

    电动汽车的供电系统、电动汽车及动力电池控制方法


    Contributors:
    LI QI (author) / WANG DONGBIN (author) / GUO ZHILONG (author) / ZHANG ZENGLEI (author) / YANG MENGMENG (author)

    Publication date :

    2024-02-27


    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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