The invention discloses a battery protection method and device, equipment and a storage medium. The method comprises the following steps: acquiring and storing a voltage difference initial value and an SOC parameter initial value of each battery, a temperature of a battery pack during working, a voltage difference of each battery and an SOC parameter; performing temperature difference calculation according to the temperature and the initial temperature value to obtain a temperature difference absolute value, performing voltage difference calculation according to the voltage difference and the voltage difference initial value to obtain a voltage difference absolute value, and performing SOC parameter difference calculation according to the SOC parameter and the SOC parameter initial value to obtain an SOC parameter difference; obtaining a voltage correction value according to the temperature difference absolute value, the voltage difference absolute value and the SOC parameter difference; according to the voltage correction value, performing data processing operation to obtain an error parameter, a safety degree grade and an abnormal grade, and performing electric quantity demand comparison operation to obtain the cycle life of each battery; and generating an evaluation result of the battery pack according to the cycle life to perform user reminding operation. The safety detection precision of the battery can be improved.

    本发明公开了一种电池保护方法、装置、设备及存储介质。方法包括:获取并存储每节电池的电压差初始值与SOC参数初始值、电池包工作时的温度、每节电池的电压差以及SOC参数;根据温度与初始温度值进行温差计算得到温差绝对值,根据电压差与电压差初始值进行压差计算得到压差绝对值,根据SOC参数与SOC参数初始值进行SOC参数差值计算得到SOC参数差;根据温差绝对值、压差绝对值以及SOC参数差,得到电压修正值;根据电压修正值,进行数据处理操作,得到误差参数、安全程度等级与异常等级并进行电量需求对比操作,得到每节电池的循环寿命;根据循环寿命生成电池包的评估结果进行用户提醒操作。本发明能提高电池的安全检测精度。


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    Title :

    Battery protection method, device and equipment and storage medium


    Additional title:

    一种电池保护方法、装置、设备及存储介质


    Contributors:
    GAO FUHAO (author) / HE ZHOU (author)

    Publication date :

    2024-11-08


    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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