The invention provides a power battery equalization device, method and equipment, and relates to the technical field of batteries. The device comprises a battery cell and a plurality of control circuits, each control circuit corresponds to one battery monomer in the power battery; the positive electrode of the battery cell is connected with the input ends of the plurality of control circuits, and the negative electrode of the battery cell is connected with the negative electrodes of a plurality of single batteries in the power battery; the output ends of the control circuits are connected with the positive electrodes of the corresponding single batteries in the power batteries, and the control circuits are all connected with a battery management system. According to the power battery equalization device provided by the embodiment of the invention, the battery cells and the plurality of control circuits corresponding to the power battery monomers are arranged, so that the battery monomers with relatively low voltage values in the power batteries can be charged through the battery cells. According to the scheme provided by the embodiment of the invention, the battery monomers of the power battery can be quickly and conveniently balanced, and the effects of prolonging the service life of the battery, improving the performance of the battery system and improving the driving range of the whole vehicle are achieved.

    本发明提供了一种动力电池均衡装置、方法及设备,涉及电池技术领域。该装置包括:电芯以及多个控制电路;每个所述控制电路与动力电池中的一个电池单体对应;所述电芯的正极与多个所述控制电路的输入端连接,所述电芯的负极与动力电池中多个电池单体的负极连接;所述控制电路的输出端与所述动力电池中对应的电池单体的正极连接,且所述控制电路均与电池管理系统连接。本发明实施例的动力电池均衡装置,设置电芯以及与动力电池单体对应的多个控制电路,可以通过电芯为动力电池中的电压值较低的电池单体进行充电。本发明实施例的方案,能够快速便捷的对动力电池的电池单体进行均衡,达到延长电池的寿命,提高电池系统的性能和整车续驶里程的效果。


    Access

    Download


    Export, share and cite



    Title :

    Power battery equalization device, method and equipment


    Additional title:

    一种动力电池均衡装置、方法及设备


    Contributors:
    WU KE (author) / SHAO GUIXIN (author) / HUANG YINGHUA (author) / CAO HAIYAN (author)

    Publication date :

    2022-06-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



    Power battery equalization method, power battery equalization equipment and storage medium

    WANG JUN / LIANG DONGNI / TAO ZHI et al. | European Patent Office | 2024

    Free access


    Battery equalization method and battery equalization device

    ZHANG HAIYING / LI WENPU / ZHANG DENGLIANG | European Patent Office | 2020

    Free access

    Battery equalization control method, device, equalization control system and power battery system

    WU KAI / HONG XIAOQIANG / WANG HUIJIE | European Patent Office | 2025

    Free access

    New energy power battery equalization instrument and power battery equalization method

    XIONG XIANGYANG | European Patent Office | 2022

    Free access