The invention relates to a vehicle battery charging system and a battery charging method thereof. The present disclosure provides a battery charging method of a battery charging system, the battery charging system including: a vehicle-mounted charger converting an AC voltage from outside into a DC voltage; a battery charging method includes operating a first charging mode when a voltage of a first battery exceeds a first threshold value, and operating a second charging mode when the voltage of the second battery exceeds the first threshold value. Switching on a first switch between the vehicle-mounted charger and the first battery and switching off a second switch between the vehicle-mounted charger and the second battery; and when the voltage of the second battery does not exceed the first threshold value, operating a second charging mode, turning off the first switch and turning on the second switch.

    本公开涉及一种车辆电池充电系统及其电池充电方法。本公开提供了一种电池充电系统的电池充电方法,该电池充电系统包括:车载充电器,将来自外部的交流电压转换成直流电压;第一电池、以及具有低于所述第一电池的额定电压的额定电压的第二电池,所述电池充电方法包括:在所述第二电池的电压超过第一阈值时,运行第一充电模式,接通所述车载充电器与所述第一电池之间的第一开关并断开所述车载充电器与所述第二电池之间的第二开关;以及当第二电池的电压不超过第一阈值时,运行第二充电模式,断开第一开关并接通第二开关。


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    Title :

    Vehicle battery charging system and battery charging method thereof


    Additional title:

    车辆电池充电系统及其电池充电方法


    Contributors:

    Publication date :

    2024-04-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR



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