The invention discloses a CO2 heat pump defrosting device which comprises an outer casing pipe heat exchanger, an in-vehicle heat exchanger, at least one secondary refrigerant casing pipe and a water pump, the secondary refrigerant casing pipe is arranged on an input pipeline or an output pipeline of the in-vehicle heat exchanger and provided with a heat exchange cavity, the secondary refrigerant liquid outlet end of the water pump is communicated with the heat exchange cavity, and the secondary refrigerant liquid outlet end of the water pump is communicated with the heat exchange cavity. The secondary refrigerant section inlet end of the vehicle outer sleeve heat exchanger is communicated with the heat exchange cavity, the secondary refrigerant section outlet end of the vehicle outer sleeve heat exchanger is communicated with the secondary refrigerant liquid inlet end of the water pump, and compared with the prior art, the structure is simple, and the vehicle outer heat exchanger can be defrosted without changing the direction of a refrigerant entering and exiting from the heat exchanger.

    本发明公开了一种CO2热泵除霜装置,包括车外套管换热器、车内换热器、至少一个载冷剂套管和水泵,所述车内换热器的输入管道或输出管道上设有载冷剂套管,所述载冷剂套管具有换热腔,所述水泵的载冷剂出液端与换热腔连通,所述车外套管换热器的载冷剂段进口端与换热腔连通,所述车外套管换热器的载冷剂段出口端与水泵的载冷剂进液端连通,与现有技术相比,能够结构简单,可实现不改变制冷剂进出换热器方向就将车外换热器进行除霜。


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    Title :

    CO2 heat pump defrosting device


    Additional title:

    一种CO2热泵除霜装置


    Contributors:
    WANG ZHIYI (author) / FANG ZHENJIE (author) / WANG GAOYUAN (author)

    Publication date :

    2022-11-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F25B Kältemaschinen, Kälteanlagen oder Kälteverfahren , REFRIGERATION MACHINES, PLANTS, OR SYSTEMS / 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 / F28D Wärmetauscher, soweit in keiner anderen Unterklasse vorgesehen, in denen die Wärmetauschmittel nicht in direkte Berührung miteinander kommen , HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT



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