The invention discloses an automobile power supply method and system.The automobile power supply method comprises the steps that working state information of an automobile power supply system is collected, and whether the closing condition of a first current switch is met or not is judged; wherein the working state information comprises the working state of the high-voltage direct-current converter; the closing condition of the first current switch comprises that the high-voltage DC converter does not work; if it is judged that the closing condition of the first current switch is met, the first current switch is controlled to be closed, and the first power supply circuit is conducted; the battery module control unit is used for converting direct-current voltage of a plurality of battery cells of the power battery into 12V direct-current voltage and supplying power to the battery management unit and the low-voltage load through the first power supply circuit. The invention further provides an automobile comprising the power supply system. The direct current conversion function is integrated in the battery module control unit, so that the function of a low-voltage storage battery is realized, and the low-voltage storage battery does not need to be arranged in an automobile.
本发明公开了一种汽车供电方法及系统,汽车供电方法包括采集汽车供电系统的工作状态信息,并判断是否满足第一电流开关的闭合条件;其中,工作状态信息包括高压直流转换器的工作状态;第一电流开关的闭合条件包括高压直流转换器不工作;若判断为满足第一电流开关的闭合条件,则控制第一电流开关闭合,使第一供电电路导通;电池模组控制单元将动力电池的多个电芯的直流电压转换成12V的直流电压,并通过第一供电电路为电池管理单元和低压负载供电。本发明还提供包含供电系统的汽车。本发明通过电池模组控制单元中集成直流转换功能实现低电压蓄电池的功能,汽车中不用再设置低电压蓄电池。
Automobile power supply method and system and automobile
汽车供电方法及系统、汽车
2024-05-28
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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