The invention provides a vehicle power supply system and an electric vehicle, the vehicle power supply system comprises a main battery module, a first DCDC converter, a second DCDC converter, a change-over switch module, a standby battery module, a first diode, a second diode and a power management module, the input end of the first DCDC converter is connected with the main battery module, and the input end of the second DCDC converter is connected with the standby battery module; the output end of the first DCDC converter is connected with the anode of the first diode, and the cathode of the first diode is connected with the input end of the power management module; the first input end of the change-over switch module is connected with the main battery module, the second input end of the change-over switch module is connected with the standby battery module, the output end of the change-over switch module is connected with the input end of the second DCDC converter, and the output end of the second DCDC converter is connected with the anode of the second diode. The cathode of the second diode is connected with the input end of the power management module.
本公开提供了一种车辆供电系统及电动车辆,该车辆供电系统包括主电池模块、第一DCDC转换器、第二DCDC转换器、切换开关模块、备用电池模块、第一二极管、第二二极管和电源管理模块,第一DCDC转换器的输入端与主电池模块连接,第一DCDC转换器的输出端与第一二极管的阳极连接,第一二极管的阴极与电源管理模块的输入端连接;切换开关模块的第一输入端与主电池模块连接,切换开关模块的第二输入端与备用电池模块连接,切换开关模块的输出端与第二DCDC转换器的输入端连接,第二DCDC转换器的输出端与第二二极管的阳极连接,第二二极管的阴极与电源管理模块的输入端连接。
Vehicle power supply system and electric vehicle
一种车辆供电系统及电动车辆
2024-10-29
Patent
Electronic Resource
Chinese
European Patent Office | 2025
|European Patent Office | 2023
|European Patent Office | 2018
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