The invention provides a vehicle air conditioning device which comprises a compressor, an outdoor heat exchanger, a first indoor heat exchanger, a second indoor heat exchanger located on the downstream side of the first indoor heat exchanger, a first expansion valve, a second expansion valve and a switching unit, and under the condition that an automatic cleaning mode is started, the vehicle air conditioning device operates in a frosting mode and a defrosting mode in sequence. In a frosting mode, a compressor is operated, and a first expansion valve, a second expansion valve, and a switching unit are controlled so that a low-temperature refrigerant flows from the first indoor heat exchanger to the second indoor heat exchanger, thereby frosting the first indoor heat exchanger and the second indoor heat exchanger, and in a defrosting mode, the first indoor heat exchanger and the second indoor heat exchanger are defrosted. And a control unit that operates the compressor, and controls the first expansion valve, the second expansion valve, and the switching unit so that the high-temperature refrigerant flows from the first indoor heat exchanger to the second indoor heat exchanger, thereby defrosting the first indoor heat exchanger and the second indoor heat exchanger.

    本发明提供一种车用空调装置,包括压缩机、室外换热器、第一室内换热器、位于第一室内换热器的下游侧的第二室内换热器、第一膨胀阀、第二膨胀阀、切换单元,在自动清洁模式开启的情况下,车用空调装置依次以结霜模式和除霜模式来运行,在结霜模式下,使压缩机运行,并对第一膨胀阀、第二膨胀阀、切换单元进行控制以使得低温制冷剂从所述第一室内换热器向所述第二室内换热器流通,从而使所述第一室内换热器和所述第二室内换热器进行结霜,在除霜模式下,使压缩机运行,并对第一膨胀阀、第二膨胀阀、切换单元进行控制以使得高温制冷剂从所述第一室内换热器向所述第二室内换热器流通,从而使所述第一室内换热器和所述第二室内换热器进行除霜。


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    Titel :

    Vehicle air conditioning device and control method thereof


    Weitere Titelangaben:

    车用空调装置及其控制方法


    Beteiligte:
    HOU QINGLIN (Autor:in) / WEI QINGQI (Autor:in) / LU JIAJIA (Autor:in) / SONG MINGYI (Autor:in) / JI XURI (Autor:in) / LU BIN (Autor:in)

    Erscheinungsdatum :

    19.07.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    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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