Chiller device

A chiller device having a function to stably carry out a temperature-retention operation without overloading an electric compressor even when the temperature difference between a set temperature and the operating temperature is small and there is almost no temperature difference between the refriger...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	HOSOI, FUMIYUKI, SEKI, ATSUSHI, AOKI, SHIGEO
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:	A chiller device having a function to stably carry out a temperature-retention operation without overloading an electric compressor even when the temperature difference between a set temperature and the operating temperature is small and there is almost no temperature difference between the refrigerant intake side and the refrigerant discharge side of an evaporator in a refrigeration cycle. In said chiller device, a circuit board (PCB2) (106) carries out a PID computation with regard to a refrigerant detection temperature, which is detected by means of a temperature sensor (T2) on the front side of a refrigerant inflow of a heating device in a refrigeration cycle, when a temperature-retention setting in which the temperature difference between a set temperature and the operating temperature is small is being set; and a circuit board (PCB1) (105) uses serial communication to send a drive control signal, which was generated on the basis of the PID computation results, to an inverter (107), thereby controlling t