The invention provides a power battery thermal runaway early warning method and device and an electric automobile, and relates to the technical field of electric automobile safety. The power battery thermal runaway early warning method comprises the steps that working sampling data of each battery cell in a power battery is monitored in real time; judging the thermal runaway state of the battery according to the working sampling data to obtain a judgment result; and when the judgment result is that the battery thermal runaway state exists, sending a thermal runaway early warning signal. According to the scheme, the problem battery cells of the vehicle in different states are recognized, an alarm is given in advance for thermal runaway, and the safety of the vehicle and personnel is guaranteed.

    本发明提供了一种动力电池热失控预警方法、装置及电动汽车,涉及电动汽车安全技术领域,所述动力电池热失控预警方法包括:实时监测动力电池中的每个电芯的工作采样数据;根据所述工作采样数据进行电池热失控状态判断,获得判断结果;在所述判断结果为存在电池热失控状态时,发送热失控预警信号。本发明的方案对车辆在不同状态下的问题电芯进行识别,提前对热失控进行报警,保证车辆和人员安全。


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    Title :

    Power battery thermal runaway early warning method and device and electric vehicle


    Additional title:

    一种动力电池热失控预警方法、装置及电动汽车


    Contributors:
    WANG XIAOTING (author) / ZHANG QIANHUI (author) / PANG BO (author) / HE ZHONGWEI (author) / HOU JINGANG (author) / LIANG HAIQIANG (author)

    Publication date :

    2022-05-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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