The invention provides a vehicle-mounted low-voltage storage battery charging state detection method and device and a vehicle, and the method comprises the steps: when a DC-DC converter charges a low-voltage storage battery, obtaining a first parameter corresponding to the low-voltage storage battery and a second parameter corresponding to the DC-DC converter, the first parameter being used for representing the charging condition of the low-voltage storage battery, and the second parameter being used for representing the charging condition of the low-voltage storage battery; the second parameter is used for representing the discharge condition of the DC-DC converter; determining whether a diagnosis enabling condition is met or not according to the first parameter and the second parameter; if the diagnosis enabling condition is met, the charging request current and the actual charging current of the low-voltage storage battery are accumulated, and whether the charging state of the low-voltage storage battery is normal or not is determined based on the request charging current accumulated value and the actual charging current accumulated value. By the adoption of the vehicle-mounted low-voltage storage battery charging state detection method and device and the vehicle, the problems that in the low-voltage storage battery charging state detection process, the detection mode lags behind, and the detection efficiency is low are solved.

    本申请提供了一种车载低压蓄电池充电状态检测方法、装置及车辆,该方法包括:在直流直流转换器向低压蓄电池充电时,获取低压蓄电池对应的第一参数及直流直流转换器对应的第二参数,第一参数用于表征低压蓄电池的充电情况,第二参数用于表征直流直流转换器的放电情况;根据第一参数及第二参数,确定是否满足诊断使能条件;若满足诊断使能条件,对低压蓄电池的充电请求电流及实际充电电流进行累计,基于请求充电电流累计值及实际充电电流累计值,确定低压蓄电池的充电状态是否正常。通过采用上述车载低压蓄电池充电状态检测方法、装置及车辆,解决了低压蓄电池充电状态检测过程中,检测方式滞后,检测效率低的问题。


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    Title :

    Vehicle-mounted low-voltage storage battery charging state detection method and device and vehicle


    Additional title:

    一种车载低压蓄电池充电状态检测方法、装置及车辆


    Contributors:

    Publication date :

    2025-03-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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