The invention relates to the technical field of batteries, and discloses a battery management module, a working method thereof, a battery management system and an electric vehicle. The battery management module comprises a main management unit, a standby management unit and a verification unit. The main management unit is used for managing and controlling the power supply system; the standby management unit is connected with the main management unit, and the verification unit is respectively connected with the main management unit and the standby management unit; and the verification unit is configured to judge whether the main management unit is abnormal or not according to information of at least two of the verification unit, the standby management unit and the main management unit, and switch the standby management unit to manage and control the power supply system when judging that the main management unit is abnormal. According to the battery management module provided by the invention, the operation reliability of the battery management system can be improved, and the operation reliability of the whole power supply system is further improved.

    本申请涉及电池技术领域,公开一种电池管理模块及其工作方法、电池管理系统、电动车。电池管理模块包括:主管理单元、备管理单元以及校验单元;所述主管理单元用于对动力电源系统进行管理控制;所述备管理单元与所述主管理单元相连,所述校验单元分别与所述主管理单元和所述备管理单元相连;所述校验单元被配置为根据自身、所述备管理单元和所述主管理单元三者中至少两者的信息判断所述主管理单元是否存在异常,并在判断所述主管理单元存在异常时,切换所述备管理单元对所述动力电源系统进行管理控制。本申请提供的电池管理模块,可以提高电池管理系统运行的可靠性,进而提高整个电源系统运行的可靠性。


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    Title :

    Battery management module and working method thereof, battery management system and electric vehicle


    Additional title:

    电池管理模块及其工作方法、电池管理系统、电动车


    Contributors:
    SUN JUNQI (author) / TIAN YUNFANG (author)

    Publication date :

    2022-03-08


    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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