The invention relates to the technical field of vehicle thermal management, in particular to a pure electric new energy vehicle thermal management system based on an R290 refrigerant. Comprising a refrigerant module, the refrigerant module comprises a gas-liquid separation device, a compressor, a four-way valve, a first liquid heat exchanger, a second liquid heat exchanger, a third liquid heat exchanger, a first electronic expansion valve and a second electronic expansion valve, the top end of the four-way valve is connected with the compressor through a pipeline, and one end of the compressor is connected with the gas-liquid separation device; one end of the gas-liquid separation device is connected with one end of the four-way valve, and the end, away from the gas-liquid separation device, of the four-way valve is connected with the first liquid heat exchanger. According to the pure electric new energy automobile heat management system based on the R290 refrigerant, through heat management of a power battery, a passenger compartment and a motor of a pure electric new energy automobile, switching of multiple refrigeration modes can be achieved at the high temperature, waste heat of all parts can be fully recycled at the low temperature, the situation of energy waste is avoided, and the service life of the pure electric new energy automobile is prolonged. And the energy use efficiency of the automobile is further improved.
本发明涉及整车热管理技术领域,尤其涉及一种基于R290冷媒的纯电新能源汽车热管理系统。包括冷媒模块,冷媒模块包括气液分离装置、压缩机、四通阀、第一液体换热器、第二液体换热器、第三液体换热器、第一电子膨胀阀和第二电子膨胀阀,四通阀的顶端通过管道连接有压缩机,压缩机的一端连接有气液分离装置,气液分离装置的一端与四通阀的一端连接,四通阀远离气液分离装置的一端连接有第一液体换热器。本发明提供的一种基于R290冷媒的纯电新能源汽车热管理系统,通过对纯电新能源汽车动力电池、乘员舱和电机的热管理,在高温下可以实现多种制冷模式的切换,在低温下可以充分回收各个部分的余热,避免能量出现浪费的情况,进而提高汽车的能量使用效率。
Pure electric new energy vehicle thermal management system based on R290 refrigerant
一种基于R290冷媒的纯电新能源汽车热管理系统
29.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / 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 / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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