The invention provides an electric vehicle range extender which comprises a shell, and a motor containing cavity and a controller containing cavity which are independent of each other are formed in the shell; a motor is arranged in the motor containing cavity, and a motor controller electrically connected with the motor is arranged in the controller containing cavity. The shell is provided with a main cooling water channel and a main cooling oil channel, the main cooling water channel is connected with the controller cooling mechanism, and the main cooling oil channel is connected with the motor cooling mechanism. According to the electric vehicle range extender, the overall structure of the electric vehicle range extender is optimized, the internal space of the range extender is effectively utilized, the overall size of the range extender is reduced, and the high integration level of the range extender is achieved; the electric vehicle range extender is provided with a cooling mechanism, and safety protection is effectively conducted on the range extender; a high-efficiency and reliable connection mode of the motor controller and the motor three-phase line is realized, arrangement and assembly of a whole vehicle are facilitated, arrangement space and cost are saved, and safety and reliability of connection with the motor are improved at the same time.
本发明提供了电动汽车增程器,包括:壳体,壳体内设置有相互独立的电机容纳腔和控制器容纳腔;电机容纳腔内设置有电机,控制器容纳腔内设置有与电机电连接的电机控制器;壳体上设置有主冷却水道和主冷却油道,主冷却水道与控制器冷却机构相连,主冷却油道与电机冷却机构相连。本发明提供的电动汽车增程器,通过对电动汽车增程器整体结构进行优化,有效利用增程器内部空间,降低增程器整体体积,实现增程器的高集成度;电动汽车增程器配置有冷却机构,有效对增程器进行安全防护;实现电机控制器与电机三相线的高效可靠的连接方式,有利于整车布置装配,节省布置空间和成本,同时提高了与电机连接的安全性和可靠性。
Range extender of electric automobile
电动汽车增程器
2024-11-15
Patent
Electronic Resource
Chinese
Automobile range extender assembling tool and automobile range extender assembling method
European Patent Office | 2024
|Mobile electric automobile hydrogen combustion range extender
European Patent Office | 2020
|