The invention discloses a monitoring and early warning method and a monitoring and early warning system for a power battery pack, and belongs to the technical field of new energy automobile power batteries, the method comprises vehicle insulation value monitoring and early warning, power battery pack health degree monitoring and early warning, and battery cell thermal runaway monitoring and early warning, the vehicle insulation value monitoring and early warning comprises the following steps: carrying out vehicle insulation value early warning by monitoring a vehicle insulation value and a vehicle insulation value drop rate; the health degree monitoring and early warning of the power battery pack is that the health degree early warning of the power battery pack is carried out by monitoring the voltage of a battery cell and the charge and discharge capacity of the battery cell; the battery cell thermal runaway monitoring and early warning comprises the step of performing battery cell thermal runaway early warning by monitoring the voltage and the temperature of the battery cell. According to the monitoring and early warning method and the monitoring and early warning system for the power battery pack, monitoring and early warning can be carried out on the power battery pack.

    本发明公开了一种动力电池包的监控预警方法及监控预警系统,属于新能源汽车动力电池技术领域,所述方法包括车辆绝缘值监控预警、动力电池包的健康度监控预警、电芯热失控监控预警,其中,所述车辆绝缘值监控预警为:通过监控车辆绝缘值和车辆绝缘值下降速率进行车辆绝缘值预警;所述动力电池包的健康度监控预警为:通过监控电芯的电压和电芯的充放电容量数进行动力电池包的健康度预警;所述电芯热失控监控预警为:通过监控电芯的电压和电芯的温度进行电芯热失控预警。通过本发明的动力电池包的监控预警方法及监控预警系统,能够对动力电池包进行监控预警。


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    Title :

    Monitoring and early warning method and monitoring and early warning system for power battery pack


    Additional title:

    一种动力电池包的监控预警方法及监控预警系统


    Contributors:
    JIANG AOYANG (author) / LI JING (author) / ZHOU YINGSHUANG (author) / GU WEI (author)

    Publication date :

    2025-03-25


    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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