Provided are an enhanced vapor injection heat pump air-conditioning system and an electric vehicle comprising the heat pump air-conditioning system. The heat pump air-conditioning system comprises a compressor (1), a first condenser (3), a first heat exchanger (6), a first expansion valve (7) and a second condenser (9) which are connected end to end in sequence, wherein the first heat exchanger (6) comprises a first channel (61) and a second channel (62), a first end of the first channel (61) is in communication with the first condenser (3), and a second end of the first channel (61) is in communication with the first expansion valve (7); and a first end of the second channel (62) is in communication with the first condenser (3) through a second expansion valve (8), and a second end of the second channel (62) is in communication with the compressor (1). The temperature of a coolant entering the second channel (62) is lower than that of the coolant in the first channel (61) due to the decompression and vaporization effects of the second expansion valve (8). Therefore, when the coolant in the first channel (61) flows through the compressor (1) again, the temperature of the compressor (1) can be prevented from being too high, so that the heat pump air-conditioning system can heat even below -10°C to supply hot air to the interior of the electric vehicle.


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    Title :

    ENHANCED VAPOR INJECTION HEAT PUMP AIR CONDITIONING SYSTEM AND ELECTRIC VEHICLE COMPRISING HEAT PUMP AIR CONDITIONING SYSTEM


    Additional title:

    WÄRMEPUMPEN-KLIMAANLAGE MIT VERBESSERTER DAMPFINJEKTION UND ELEKTROFAHRZEUG MIT WÄRMEPUMPEN-KLIMAANLAGE
    SYSTÈME AMÉLIORÉ DE CLIMATISATION À POMPE À CHALEUR À INJECTION DE VAPEUR ET VÉHICULE ÉLECTRIQUE ÉQUIPÉ D'UN SYSTÈME DE CLIMATISATION À POMPE À CHALEUR


    Contributors:
    ZHAO RUIPO (author) / WEN BAOPING (author) / HAN FANG (author) / WANG LEI (author) / WANG XUESHI (author) / GAO JIE (author) / LI WEI (author)

    Publication date :

    2023-01-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    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 / F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS



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