The invention discloses a vehicle pre-charging system and a control method, and the system comprises a first voltage conversion module which is connected with a control module and a charging interface, and is used for converting a first voltage outputted by a power battery into a second voltage which is the same as the voltage of a charging power supply of a target type; the second voltage conversion module is connected with the control module and the first voltage conversion module and is used for converting the output voltage of the storage battery into first voltage; the storage battery is connected with the second voltage conversion module and is used for outputting voltage to the second voltage conversion module; the power battery is connected with the control module, the first voltage conversion module and the charging interface and is used for outputting first voltage; and the control module is used for determining that the pre-charging of the vehicle is completed after detecting that the output voltage of the power battery is converted into the second voltage by the first voltage conversion module. The technical problem that the charging voltage of the vehicle is single is solved.
本申请公开了一种车辆预充电系统及控制方法,其中,该系统包括:第一电压转换模块,与控制模块和充电接口连接,用于将动力电池输出的第一电压转换成与目标类型充电电源的电压相同的第二电压;第二电压转换模块,与控制模块和第一电压转化模块连接,用于将蓄电池的输出电压转换成第一电压;蓄电池,与第二电压转化模块连接,用于向第二电压转换模块输出电压;动力电池,与控制模块、第一电压转化模块和充电接口连接,用于输出第一电压;控制模块,用于在检测到第一电压转换模块将动力电池的输出电压转换为第二电压后,确定完成车辆预充电。本申请解决了车辆充电电压单一的技术问题。
Vehicle pre-charging system and control method
车辆预充电系统及控制方法
2022-12-02
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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