The invention provides a vehicle air conditioner and transportation refrigerator duplex system. The vehicle air conditioner and transportation refrigerator duplex system comprises an air conditioner compressor, a refrigerator compressor, an outdoor heat exchanger, an air conditioner indoor heat exchanger, two throttling devices, a gas-liquid separator, a refrigerator evaporator and a subcooler. An air-conditioning loop and a refrigerating loop are formed respectively; in the air conditioner loop, the output side of a first tube pass of an outdoor heat exchanger is connected with a first branch, the output side of a first throttling device is connected with a second branch, the first branch is provided with a first stop valve, the second branch is provided with a second stop valve, and the output sides of the first stop valve and the second stop valve are converged and then connected with a third throttling device. The third throttling device is connected with a condensation pipeline inlet of the subcooler, and a condensation pipeline outlet of the subcooler is connected with a loop connector of the air conditioner compressor. According to the system, on the premise of not increasing extra cost, large supercooling capacity is provided for a refrigerating loop through supercooling circulation of an air conditioner loop, and in winter, the outdoor heat exchanger of the vehicle air conditioner can be prevented from frosting.

    本发明提供了一种车用空调和运输冷机双联系统,包括空调压缩机、冷机压缩机、室外换热器、空调室内换热器、两个节流装置、气液分离器、冷机蒸发器和过冷器;分别构成空调回路和制冷回路;空调回路中:室外换热器的第一管程的输出侧连接第一支路,第一节流装置的输出侧连接第二支路,第一支路安装第一截止阀,第二支路安装第二截止阀,第一截止阀和第二截止阀的输出侧汇合后连接第三节流装置,第三节流装置连接过冷器的冷凝管路进口,过冷器的冷凝管路出口连接空调压缩机的回路接口。本系统在不增加额外成本的前提下,通过空调回路过冷循环为制冷回路提供大过冷量,在冬季,还能防止车用空调室外换热器结霜。


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    Titel :

    Vehicle air conditioner and transportation refrigerator duplex system


    Weitere Titelangaben:

    车用空调和运输冷机双联系统


    Beteiligte:
    YUAN RONGYI (Autor:in) / GUO HUAIYUAN (Autor:in) / FENG RENJUN (Autor:in) / GUO JUNWEI (Autor:in) / WANG BINGBING (Autor:in)

    Erscheinungsdatum :

    2022-12-23


    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 / B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS



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