The present invention discloses a multi-circuit heat pump air-conditioning system supporting start of a vehicle at a low temperature, which includes a coolant system, a heat pump system and an electronic control system. The coolant system includes a coolant circuit; the heat pump system comprises a refrigerant circuit including a gas-liquid separator, a compressor, a battery heat exchanger, a liquid cooling condenser, a coolant heater, a refrigerant pipeline, and hydraulic valves arranged in the refrigerant pipeline. The coolant heater is configured to heat a coolant when an ambient temperature is lower than a preset temperature and the heat pump system is in a non-working state. The compressor is configured to work to heat refrigerant in the refrigerant pipeline after the heat pump system is started. The electronic control system includes a communication unit, a processor and a switching module. The coolant circuit is thermally connected with the refrigerant circuit. The present invention solves the problem that it is difficult to start the heat pump system at the low temperature without adding additional refrigerant state change device.


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    Title :

    MULTI-LOOP HEAT-PUMP AIR CONDITIONING SYSTEM SUPPORTING LOW-TEMPERATURE START OF AUTOMOBILE, AND AUTOMOBILE


    Additional title:

    KLIMAANLAGENSYSTEM MIT MEHRSCHLEIFENWÄRMEPUMPE ZUR UNTERSTÜTZUNG DES NIEDRIGTEMPERATURSTARTS EINES KRAFTFAHRZEUGS UND KRAFTFAHRZEUG
    SYSTÈME DE CLIMATISATION À POMPE À CHALEUR À BOUCLES MULTIPLES PRENANT EN CHARGE LE DÉMARRAGE À BASSE TEMPÉRATURE D'UN VÉHICULE AUTOMOBILE ET VÉHICULE AUTOMOBILE


    Contributors:
    ZHANG YUANYUAN (author) / LU SHUQIANG (author) / LIU DAYUN (author)

    Publication date :

    2024-01-24


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    F24F Klimatisierung , AIR-CONDITIONING / 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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