The invention relates to the technical field of electric power control, and provides a power battery system and a control method thereof. The system comprises a power battery and a switching module, the power battery comprises N battery modules, and the switching module comprises N-1 single-contact switch units and N-1 double-contact switch units; the first ends of the (N-1) single-contact switch units are mutually connected, and the first end of the nth battery module is connected with the second end of the (n-1) th single-contact switch unit; the first end of the nth battery module is connected with the first end of the (n-1) th double-contact switch unit, and the second end of the (n-1) th double-contact switch unit is connected with the second end of the (n-1) th battery module; the third ends of the N-1 double-contact switch units are connected with each other. The first ends of the N battery modules and the third ends of the N-1 double-contact switch units are used for being connected with the positive electrode and the negative electrode of external equipment respectively. The power battery system provided by the embodiment of the invention can improve the charging and discharging efficiency of the power battery.

    本申请涉及电力控制技术领域,提供一种动力电池系统及其控制方法。所述系统包括动力电池和切换模块,所述动力电池包括N个电池模组,切换模块包括N‑1个单触点开关单元,以及N‑1个双触点开关单元;N‑1个单触点开关单元的第一端相互连接,第n个电池模组的第一端,与第n‑1个单触点开关单元的第二端连接;第n个电池模组的第一端,与第n‑1个双触点开关单元的第一端连接,第n‑1个双触点开关单元的第二端,与第n‑1个电池模组的第二端连接;N‑1个双触点开关单元的第三端相互连接;N个电池模组的第一端,以及N‑1个双触点开关单元的第三端用于分别接入外部设备的正负极。本申请实施例提供的动力电池系统能够提高动力电池的充放电效率。


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    Title :

    Power battery system and control method thereof


    Additional title:

    动力电池系统及其控制方法


    Contributors:
    DUAN XINLIN (author) / ZOU HAIBIN (author) / LI RONGJIE (author) / YANG WUSHUANG (author) / ZHAO FENG (author) / ZHAO YUNFENG (author)

    Publication date :

    2023-12-05


    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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