The invention is suitable for the technical field of batteries, and provides a vehicle power battery monitoring method and equipment; the method comprises the steps: obtaining the state data, detected by a data collector, of a power battery, wherein the state data comprises deformation pressure data, detected by a pressure sensor, of the power battery; judging whether the power battery reaches a thermal runaway early warning state or not according to the deformation pressure data of the power battery; and when the power battery reaches the thermal runaway early warning state, sending prompt information to a corresponding preset electronic control unit in a target vehicle. According to the invention, whether the power battery reaches the thermal runaway early warning state or not is judged according to the deformation pressure data of the power battery, and whether thermal runaway occurs or not can be judged according to the deformation pressure data of the power battery regardless of thermal runaway caused by short circuit generated by external force or thermal runaway caused by external temperature; therefore, the reliability of thermal runaway judgment is improved.

    本申请适用于电池技术领域,提供一种车辆动力电池的监测方法及设备,方法包括:获取数据采集器检测的所述动力电池的状态数据;其中,所述状态数据包括压力传感器检测到的所述动力电池的形变压力数据;根据所述动力电池的形变压力数据,判断所述动力电池是否达到热失控预警状态;在所述动力电池达到热失控预警状态时,向目标车辆中对应预设的电子控制单元发送提示信息。通过动力电池的形变压力数据,判断所述动力电池是否达到热失控预警状态,无论是外力作用产生短路引起的热失控还是外界温度引起的热失控,都可以通过动力电池的形变压力数据判断是否会发生热失控,从而提高对热失控判断的可靠性。


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    Title :

    Monitoring method and equipment for vehicle power battery


    Additional title:

    一种车辆动力电池的监测方法及设备


    Contributors:

    Publication date :

    2021-12-10


    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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