The invention discloses a new energy automobile lithium battery power safety monitoring and early warning system and early warning method, and relates to the technical field of lithium battery safety monitoring, and the method comprises the steps: obtaining the monitoring data of a new energy automobile power battery in advance, the monitoring data at least comprises the steps of obtaining a contour patch value of the power battery, obtaining an expansion force value, obtaining a temperature data value and obtaining a charging state value; and comparing the obtained contour plaque value, the obtained expansion force value, the obtained temperature data value and the obtained charging state value of the power battery with preset power battery state corresponding thresholds respectively. According to the method, the safety of the power battery system is improved, the calculation amount is small, the monitoring performance is stable, certain function expansibility is achieved, and the method has wide application prospects for the safety state of the power battery of the new energy automobile.

    本发明公开了一种新能源汽车锂电池动力安全监测预警系统及预警方法,涉及锂电池安全监测技术领域,包括:预先获取新能源汽车动力电池的监测数据,其中,监测数据至少包括:获取动力电池的轮廓斑块值、获取膨胀力值、获取温度数据值和获取充电状态值;进行将获取的动力电池的轮廓斑块值、获取膨胀力值、获取温度数据值和获取充电状态值分别与预设的动力电池状态对应阈值作比较。本发明提高了动力电池系统的安全性,同时能够实现运算量小、监测性能稳定,且具有一定的功能扩展性,对于新能源汽车动力电池的安全状态具有广泛的应用前景。


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    Title :

    New energy automobile lithium battery power safety monitoring and early warning system and early warning method


    Additional title:

    一种新能源汽车锂电池动力安全监测预警系统及预警方法


    Contributors:
    LUO YI (author)

    Publication date :

    2024-05-10


    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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