The invention relates to the technical field of cold and hot circulation systems of electric automobiles, in particular to a cold and hot circulation system of an electric vehicle with a front motor and a rear motor and a control method. According to the system, the cold and hot circulation system is provided, the motor loop, the battery loop, the air conditioner warm air loop and the air conditioner condensation loop in the electric vehicle are associated and controlled through the electric valves, comprehensive utilization of heat of all the loops can be achieved, and the number of parts and the manufacturing cost of the automobile cold and hot circulation system can be reduced; the structure is compact, and arrangement space can be saved; the invention provides a control method of a cold and hot circulation system, which controls an electric valve to execute corresponding actions by detecting the temperature of each part in the front and back dual-motor electric automobile and the environment temperature, and controls heat exchange among a motor loop, a battery loop, an air conditioner warm air loop and an air conditioner condensation loop in real time. Accurate control over the temperatures of the motors, the motor controller, the battery and the small three parts in the electric vehicle with the front motor and the rear motor is achieved.
本发明涉及电动汽车冷热循环系统技术领域,具体涉及一种前后双电机电动汽车的冷热循环系统及控制方法。提供了冷热循环系统,通过将电动汽车内的电机回路、电池回路、空调暖风回路和空调冷凝回路相关联,使用电动阀门进行控制,能够实现各回路热量的综合利用,能够节约汽车冷热循环系统的零件数量和制造成本,且结构紧凑能够节省布置空间;提供了冷热循环系统控制方法,通过检测前后双电机电动汽车内各部件的温度以及环境温度,控制电动阀门执行相应动作,实时控制所述电机回路、电池回路、空调暖风回路和空调冷凝回路之间的热量交换,实现对前后双电机电动汽车内电机、电机控制器、电池和小三件温度的精确控制。
Cold and hot circulation system of electric vehicle with front motor and rear motor and control method
一种前后双电机电动汽车的冷热循环系统及控制方法
2022-01-18
Patent
Electronic Resource
Chinese
IPC: | B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES |
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