DEFROSTING CONTROL DEVICE

PURPOSE:To provide a defrosting control device which is most suitable to con trol the defrosting timing of a refrigerator, responding to its operating conditions. CONSTITUTION:There is provided a frost deposit quantity measurement means 24 which measures the quantity of defrosting in defrosting oper...

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Bibliographische Detailangaben
Hauptverfasser:	OSADA MASASHI, MANTANI KAZUHIKO, SUZUKI NAMIHEI, SUGIMOTO YASUHIKO, YAMAMOTO HIDEO, OOTSUKA HIROTOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COLD ROOMS COMBINED HEATING AND REFRIGERATION SYSTEMS CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHERSUBCLASS FUNCTIONAL ELEMENTS OF SUCH SYSTEMS HEAT PUMP SYSTEMS HEATING ICE-BOXES LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REFRIGERATION OR COOLING REFRIGERATORS REGULATING WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE:To provide a defrosting control device which is most suitable to con trol the defrosting timing of a refrigerator, responding to its operating conditions. CONSTITUTION:There is provided a frost deposit quantity measurement means 24 which measures the quantity of defrosting in defrosting operation. There is also provided an integrating time/frost deposit quantity arithmetic operation means 26 which requires a proportional coefficient between the quantity of defrosting and a compressor drive integrating time based on the quantity of defrosting measured with this frost deposit quantity measurement means 24 and the compressor drive integrating time. A compressor integrating time range arithmetic operation means 28 computes how long it takes to deposit the optimum amount of frost on a cooler from the proportional coefficient and the optimum defrosting quantity. A fixed time range is set as the compressor integrating time range, centering on this time. Defrosting timing is determined in this compressor integrating time range.