Refrigerator refrigeration and defrosting control system

The invention discloses a refrigerator refrigeration and defrosting control system which comprises a double-suction compressor, a condenser, a drying filter, a refrigeration throttling device, a refrigeration evaporator, a freezing throttling device, a freezing evaporator and a plurality of electrom...

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Bibliographische Detailangaben
Hauptverfasser:	ZHU YANGCHUN, LIANG CHAO, LIU YUECHAO, HUANG YUJIE, ZHANG QIANQIAN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	The invention discloses a refrigerator refrigeration and defrosting control system which comprises a double-suction compressor, a condenser, a drying filter, a refrigeration throttling device, a refrigeration evaporator, a freezing throttling device, a freezing evaporator and a plurality of electromagnetic valves. The system is provided with a cold storage refrigeration mode, a freezing refrigeration mode, a forced cooling mode, a cold storage defrosting mode and a freezing defrosting mode, and the control modes are automatically selected by the refrigerator according to the operation condition and the surrounding environment of the refrigerator. In the freezing defrosting mode, refrigerants in the refrigeration evaporator and refrigerants in the freezing evaporator are neutralized under the action of the pressure difference, then the evaporators are defrosted through freezing of the high-temperature and high-pressure refrigerants, the defrosting efficiency is improved, meanwhile, the defrosting time is short