The invention discloses a heat exchanger, a heat pump air conditioning system and an electric automobile, and belongs to the technical field of automobiles. The heat exchanger provided by the invention comprises a heat exchanger body and a waste heat recoverer, a first refrigerant inlet and a first refrigerant outlet are formed in the heat exchanger body, and a refrigerant medium of the heat pumpair conditioning system enters the heat exchanger body to perform primary heat exchange with outside air and perform primary heat absorption from the outside air. The refrigerant medium subjected to primary heat absorption enters a refrigerant medium flow channel of the waste heat recoverer and performs secondary heat exchange with a waste heat medium entering a waste heat medium flow channel in the waste heat recoverer from a waste heat recovery system, and secondary heat absorption is performed in the waste heat medium. The pressure and the temperature of the refrigerant medium subjected totwo times of heat absorption are increased to a certain extent, and the refrigerant medium flows back into the heat pump air conditioning system, so that the heating performance and the energy efficiency ratio of the heat pump air conditioning system can be effectively improved.
本发明公开了一种换热器、热泵空调系统及电动汽车,属于汽车技术领域。本发明所提供的换热器包括换热器主体和余热回收器,换热器主体上设置有第一冷媒入口和第一冷媒出口,热泵空调系统的冷媒介质进入换热器主体中与外界空气进行一次热交换,从外界空气中进行第一次吸热。完成第一次吸热后的冷媒介质进入余热回收器的冷媒介质流道内,并与从废热回收系统进入余热回收器内余热介质流道的余热介质进行二次热交换,从余热介质内进行第二次吸热。经过两次吸热后的冷媒介质压力以及温度均得到一定程度的提升,其回流至热泵空调系统内能够有效地提高热泵空调系统的制热性能以及能效比。
Heat exchanger, heat pump air conditioning system and electric automobile
一种换热器、热泵空调系统及电动汽车
2020-04-10
Patent
Elektronische Ressource
Chinesisch
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 |
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