The invention discloses a vehicle charging system and a control method of the vehicle charging system, and relates to the technical field of vehicles. The vehicle charging system comprises a first distribution circuit, a second distribution circuit, a third distribution circuit, a load circuit, an electric drive system and a direct current charging base, the first distribution circuit comprises a first power battery pack, a second power battery pack and a switching circuit, and the switching circuit comprises a parallel cathode switch, a parallel anode switch and a series switch. The lowest parallel voltage after the first power battery pack and the second power battery pack are connected in parallel is smaller than or equal to a first voltage threshold value, the switching circuit is used for controlling the electric connection relation of the first power battery pack and the second power battery pack, and the second power distribution circuit comprises a boost relay, a fast charging positive electrode switch and a fast charging negative electrode switch. And the working voltage of any load in the load circuit is greater than a preset voltage threshold. The technical problem of high cost caused by the fact that a motor and a motor controller are used for high-power boost charging of a vehicle in the prior art is solved.

    本发明公开了一种车辆充电系统及车辆充电系统的控制方法,涉及车辆技术领域。其中,该车辆充电系统包括:第一配电路、第二配电路、第三配电路、负载电路、电驱系统和直流充电座,第一配电路包括第一动力电池组、第二动力电池组和开关电路,开关电路包括并联负极开关、并联正极开关和串联开关,第一动力电池组和第二动力电池组并联后的最低并联电压小于等于第一电压阈值,开关电路用于控制第一动力电池组和第二动力电池组的电连接关系,第二配电路包括升压继电器、快充正极开关和快充负极开关,负载电路中任一负载的工作电压大于预设电压阈值。本发明解决了相关技术利用电机和电机控制器对车辆进行大功率升压充电,导致成本高的技术问题。


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    Titel :

    VEHICLE CHARGING SYSTEM AND METHOD FOR CONTROLLING VEHICLE CHARGING SYSTEM


    Weitere Titelangaben:

    车辆充电系统及车辆充电系统的控制方法


    Beteiligte:
    LIU GUANGSHENG (Autor:in) / XU HAIQING (Autor:in) / WANG BAO (Autor:in) / ZHONG LIANG (Autor:in)

    Erscheinungsdatum :

    10.09.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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