The invention relates to the technical field of vehicle air conditioners, in particular to a vehicle, a vehicle air conditioning system and a refrigerating and heating method. the vehicle air conditioning system comprises a first heat exchanger, a second heat exchanger and a third heat exchanger, the first heat exchanger comprises a liquid flow channel, and circulating liquid in the liquid flow channel can heat or cool air entering the vehicle; A liquid return flow channel is connected with the liquid flow channel; A refrigerating and heating structure is used for refrigerating and heating the circulating liquid in the liquid return flow channel; An air conditioner refrigerating and heating unit comprises a refrigerant circulating flow channel for a refrigerant to circularly flow, and a second heat exchanger is arranged on the refrigerant circulating flow channel; A waste heat heating unit comprises a cooling flow channel allowing a cooling medium to circularly flow, and a third heat exchanger is arranged on the cooling flow channel; The liquid return flow channel penetrates through the second heat exchanger and the third heat exchanger, and circulating liquid exchanges heat with the refrigerant at the second heat exchanger and exchanges heat with the cooling medium at the third heat exchanger; the refrigerating and heating structure further comprises a short-circuit flow channel which is arranged on the liquid return flow channel and connected to the two ends of the third heat exchanger in parallel. The refrigerating and heating structure further comprises a control valve.

    本发明涉及车辆空调技术领域,具体为一种车辆、车用空调系统及制冷制热方法,车用空调系统包括第一换热器,包括液体流道,液体流道中的循环液体可对进入车内的空气进行加热或冷却;回液流道,与液体流道相连;制冷制热结构,用于对回液流道中的循环液体进行制冷和制热;空调制冷制热单元,包括供冷媒循环流动的冷媒循环流道,其上设有第二换热器;余热制热单元,包括供冷却介质循环流动的冷却流道,其上设有第三换热器;所述回液流道贯穿第二换热器和第三换热器,循环液体于第二换热器处与冷媒进行换热,于第三换热器处与冷却介质进行换热;制冷制热结构还包括短接流道,设于回液流道上,并且并联接于第三换热器两端;制冷制热结构还包括控制阀。


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    Title :

    Vehicle, vehicle air conditioning system and refrigerating and heating method


    Additional title:

    一种车辆、车用空调系统及制冷制热方法


    Contributors:

    Publication date :

    2021-09-17


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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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