The embodiment of the invention provides a double-battery system and an electric vehicle, and relates to the technical field of electric vehicles. The dual-battery system comprises a vehicle control unit; a battery pack group comprises a main battery pack and an auxiliary battery pack, and the auxiliary battery pack is detachably arranged in the electric vehicle; a driving system group comprises a plurality of driving systems and is used for driving a front axle and a rear axle of the electric vehicle, and each driving system comprises a motor controller and a motor; a switch unit group comprises at least four switch units; a motor controller in each driving system is electrically connected with the main battery pack and the auxiliary battery pack through the switch unit, the vehicle control unit is electrically connected with the switch unit and used for controlling on-off of the switch unit, and the motor controller is used for obtaining electric energy of the main battery pack and/or the auxiliary battery pack through the switch unit and driving the motor. The vehicle driving range configuration can be more flexible, multiple energy supply modes are realized, the energy use efficiency is improved, and the energy loss is reduced.
本申请的实施例提供了一种双电池系统及电动汽车,涉及电动汽车术领域。双电池系统包括:整车控制器;电池包组包括主电池包和辅电池包,辅电池包可拆卸设置于电动汽车内;驱动系统组,包括多个驱动系统,用于驱动电动汽车的前轴和后轴,每个驱动系统分别包括电机控制器以及电机;开关单元组包含至少四个开关单元;各驱动系统中的电机控制器分别通过开关单元与主电池包和辅电池包电连接,整车控制器与开关单元电连接,用以控制开关单元的开断,电机控制器用于通过开关单元获取主电池包和/或辅电池包的电能并驱动电机。本申请可以使得车辆续驶里程配置更加灵活,实现多种能量供给模式,提高能量的使用效率并且减低能量损耗。
Double-battery system and electric vehicle
一种双电池系统及电动汽车
2021-12-31
Patent
Elektronische Ressource
Chinesisch
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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