The embodiment of the invention discloses a vehicle-mounted low-voltage storage battery charging method and device, and a vehicle and relates to the technical field of vehicle-mounted battery charging. The method comprises steps that a storage battery detection unit detects whether a difference value between a design current of a low-voltage storage battery and a current charging current providedfor the low-voltage storage battery by a vehicle-mounted voltage transformation unit is within a preset range or not; if the storage battery detection unit detects that the difference value is not within the preset range, the storage battery detection unit sends a voltage adjustment request to the vehicle-mounted voltage transformation unit; and the vehicle-mounted voltage transformation unit adjusts the charging voltage output to the low-voltage storage battery by the vehicle-mounted voltage transformation unit under the voltage adjustment request of the storage battery detection unit, and provides the charging current corresponding to the charging voltage to the low-voltage storage battery as the current charging current.

    本公开的实施例公开了一种车载低压蓄电池充电方法及装置、车辆,涉及车载电池充电技术领域。本公开的实施例的主要技术方案包括:蓄电池检测单元检测低压蓄电池的设计电流与车载变压单元提供给所述低压蓄电池的当前充电电流之间的差值是否在预设范围内;所述蓄电池检测单元若检测出所述差值不在所述预设范围内,向所述车载变压单元发送电压调整请求;所述车载变压单元在所述蓄电池检测单元的电压调整请求下,调整其向所述低压蓄电池输出的充电电压,将与所述充电电压相应的充电电流作为当前充电电流提供给所述低压蓄电池。


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    Title :

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


    Additional title:

    一种车载低压蓄电池充电方法及装置、车辆


    Contributors:
    HU HAIBO (author)

    Publication date :

    2021-03-19


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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