ANORDNING TIL BESTEMMELSE AF KØLEMIDDELLÆKAGE, FRYSEANORDNING, DER INDBEFATTER DENNE ANORDNING TIL BESTEMMELSE AF KØLEMIDDELLÆKAGE, OG FREMGANGSMÅDE TIL BESTEMMELSE AF KØLEMIDDELLÆKAGE

ANORDNING TIL BESTEMMELSE AF KØLEMIDDELLÆKAGE, FRYSEANORDNING, DER INDBEFATTER DENNE ANORDNING TIL BESTEMMELSE AF KØLEMIDDELLÆKAGE, OG FREMGANGSMÅDE TIL BESTEMMELSE AF KØLEMIDDELLÆKAGE

A refrigerant leakage determination device (60) includes a calculator (66) and a determination unit (67). The calculator (66) calculates a deviation degree of a refrigerant circuit (20) from a normal state based on data related to operation of a refrigeration apparatus (1). The determination unit (6...

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Bibliographische Detailangaben
Hauptverfasser: SATOU Kiichirou, NAKANO Masataka
Format: Patent
Sprache:dan
Schlagworte:
BLASTING
COLD ROOMS
COMBINED HEATING AND REFRIGERATION SYSTEMS
COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS
HEAT PUMP SYSTEMS
HEATING
ICE-BOXES
LIGHTING
LIQUEFACTION SOLIDIFICATION OF GASES
MANUFACTURE OR STORAGE OF ICE
MECHANICAL ENGINEERING
REFRIGERATION MACHINES, PLANTS OR SYSTEMS
REFRIGERATION OR COOLING
REFRIGERATORS
WEAPONS
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Beschreibung
Zusammenfassung:A refrigerant leakage determination device (60) includes a calculator (66) and a determination unit (67). The calculator (66) calculates a deviation degree of a refrigerant circuit (20) from a normal state based on data related to operation of a refrigeration apparatus (1). The determination unit (67) determines refrigerant leakage or estimates refrigerant leakage occurrence time based on a calculation result of the calculator (66). The calculator (66) calculates first and second index values respectively from data related to operation of the refrigeration apparatus (1) in a first period and a second period that differs in length from the first period and calculates the deviation degree of the refrigerant circuit (20) from the normal state based on the first and second index values. The determination unit (67) determines refrigerant leakage or estimates refrigerant leakage occurrence time based on the deviation degree of the refrigerant circuit (20) from the normal state.