According to the electric automobile and the power supply device thereof, a first battery pack and a second battery pack in the power supply device are two battery packs located in a high-voltage power battery, and a first switch is connected with the negative electrode of the first battery pack, the positive electrode of the second battery pack and a battery management module; the second switch is respectively connected with the anode of the first battery pack, the DC conversion module and the battery management module; the third switch is respectively connected with the anode of the second battery pack, the DC conversion module and the battery management module; the battery management module is used for obtaining state parameters of the first battery pack and the second battery pack and controlling the first switch, the second switch and the third switch according to the state parameters of the first battery pack and the second battery pack. And the voltage of the first battery pack and/or the second battery pack is provided for a driving system of the electric automobile after being converted by the direct current conversion module. According to the power supply device, the purpose of redundancy of the power supply device is achieved by changing the assembly structure of the high-voltage power battery.
本发明提出一种电动汽车及其供电装置,所述供电装置中的第一电池组和第二电池组是位于高压动力电池内的两个电池组,第一开关分别与第一电池组的负极、第二电池组的正极和电池管理模块相连,第二开关分别与第一电池组的正极、直流转换模块和电池管理模块相连,第三开关分别与第二电池组的正极、直流转换模块和电池管理模块相连;电池管理模块用于获取第一电池组和第二电池组的状态参数,并根据第一电池组和第二电池组的状态参数,分别对第一开关、第二开关和第三开关进行控制,以使第一电池组和/或第二电池组的电压通过直流转换模块转换后提供给电动汽车的驱动系统。该供电装置通过改变高压动力电池组装结构的方式来达到供电装置冗余的目的。
Electric automobile and power supply device thereof
电动汽车及其供电装置
2024-04-26
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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