Refrigerating and defrosting unit

The utility model provides a refrigerating and defrosting unit. The refrigerating unit comprises a first compressor, a condenser and an evaporator which are communicated in sequence; the defrosting unit comprises a second compressor, the defrosting unit has a refrigerating state and a refrigerating...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: FAN ZHONGYANG, ZHOU JIANI, ZHAO RUIJIE, GE FANGGEN
Format: Patent
Sprache:chi ; eng
Schlagworte:
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Beschreibung
Zusammenfassung:The utility model provides a refrigerating and defrosting unit. The refrigerating unit comprises a first compressor, a condenser and an evaporator which are communicated in sequence; the defrosting unit comprises a second compressor, the defrosting unit has a refrigerating state and a refrigerating and defrosting state, the second compressor is provided with a first air inlet end and a first air outlet end which are oppositely arranged, the first air inlet end communicates with an outlet of the evaporator, and the defrosting unit is further provided with a refrigerating pipeline and a defrosting pipeline; the refrigerating pipeline and the defrosting pipeline both communicate with the first air outlet end, the refrigerating pipeline communicates with an inlet of the condenser, and the defrosting pipeline communicates with an inlet of the evaporator and is used for heating and defrosting the evaporator; when the defrosting unit is in a refrigerating state, the refrigerating pipeline is communicated with the co