The invention discloses a battery equalization control method, device and system and a power battery system. The battery equalization control method comprises the following steps: acquiring electric quantity information corresponding to each battery pack; according to the electric quantity information of the battery packs, the electric quantity information difference between the battery packs is determined; based on the electric quantity information difference and a preset electric quantity threshold value, determining a to-be-balanced target battery pack in each battery pack and a balance control parameter corresponding to the target battery pack; and carrying out electric quantity balance control on the target battery pack according to the balance control parameter, so that the electric quantity among the battery packs is balanced. According to the invention, the equalization control parameter corresponding to the electric quantity information difference between the battery packs can be matched based on the electric quantity information difference between the battery packs, rapid equalization control of the electric quantity between the battery packs can be realized under the condition of not increasing extra hardware configuration, the efficiency of battery equalization control is improved, and the requirement for rapid equalization of the battery under more complex and special working conditions is met.

    一种电池均衡控制方法、装置、均衡控制系统及动力电池系统;该电池均衡控制方法包括:获取各个电池包分别对应的电量信息;根据电池包的电量信息,确定各个电池包之间的电量信息差;基于电量信息差与预设的电量阈值,确定各个电池包中待均衡的目标电池包,以及与目标电池包对应的均衡控制参数;根据均衡控制参数对目标电池包进行电量均衡控制,使各个电池包之间电量均衡。本申请可以基于电池包之间的电量信息差匹配与之对应的均衡控制参数,保证在不增加额外硬件配置的情况下,能够实现电池包之间的电量的快速均衡控制,提高电池均衡控制的效率,满足更多复杂及特别工况下对电池快速均衡的需求。


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    Titel :

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


    Weitere Titelangaben:

    电池均衡控制方法、装置、均衡控制系统及动力电池系统


    Beteiligte:
    WU KAI (Autor:in) / HONG XIAOQIANG (Autor:in) / WANG HUIJIE (Autor:in)

    Erscheinungsdatum :

    07.01.2025


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

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



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