Heat pump device, heat pump system, air conditioner, and refrigerator

A heat pump device is provided with: a compressor (1) having a compression mechanism (7) for compressing a refrigerant and a motor (8) for driving the compression mechanism (7); an inverter (103) that applies a desired voltage to the motor (8); an inverter control unit (104) that controls the invert...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	YAMAKAWA TAKASHI, ONISHI TAKAHITO
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 POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	A heat pump device is provided with: a compressor (1) having a compression mechanism (7) for compressing a refrigerant and a motor (8) for driving the compression mechanism (7); an inverter (103) that applies a desired voltage to the motor (8); an inverter control unit (104) that controls the inverter (103); a high-pressure switch (107) that operates when the discharge pressure of the compressor (1) is equal to or greater than a predetermined pressure; and a heat protector (108) that operates when the temperature of the compressor (1) is equal to or higher than a predetermined temperature, the high-pressure pressure switch (107) and the heat protector (108) are provided in a power supply wiring that supplies power to the inverter (103), and when the discharge pressure of the compressor (1) is equal to or higher than a predetermined pressure, the high-pressure pressure switch (107) and the heat protector (108) are provided in a power supply wiring that supplies power to the inverter (103). When the temperature