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JPS5692384A - Controlling device for capacity of compressor in refrigerator - Google Patents

Controlling device for capacity of compressor in refrigerator

Info

Publication number
JPS5692384A
JPS5692384A JP17061879A JP17061879A JPS5692384A JP S5692384 A JPS5692384 A JP S5692384A JP 17061879 A JP17061879 A JP 17061879A JP 17061879 A JP17061879 A JP 17061879A JP S5692384 A JPS5692384 A JP S5692384A
Authority
JP
Japan
Prior art keywords
compressor
room temperature
output
level
capacity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP17061879A
Other languages
Japanese (ja)
Inventor
Hai Sato
Shinichi Kaneda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daikin Industries Ltd
Original Assignee
Daikin Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daikin Industries Ltd filed Critical Daikin Industries Ltd
Priority to JP17061879A priority Critical patent/JPS5692384A/en
Publication of JPS5692384A publication Critical patent/JPS5692384A/en
Pending legal-status Critical Current

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  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To prolong an operating time following the approach of a room temperature to a set temperature and reducing a load on a compressor to improve operating efficiency by reducing a capacity of the compressor sequentially step by step during the descending of a room temperature to a set temperature.
CONSTITUTION: The output voltage of an arithmetic amplifier OA1 for a room temperature detection circuit 11a is represented by V0(θ), a reference voltage on comparison circuits CP2WCP4 by Vs2WVs4 and a room temperature by θ. For instance, through operation of a compressor, it will be 28>θ>27.5, V0(θ) will be Vs3> V0(θ)<Vs2. The output of the comparison circuits CP3, CP4 will be "L" level. In the meantime, the output of CP2 will remain "H" level and the output of "NOR" gate 22 will be "L" level at a rate of one minute of period instead of three minutes because a one-minute counter 20 is set. An electromagnetic valve 3 for hot gas bypass is opened at 2/3 of the three minutes of period. Thus as a room temperature approaches a set temperature, a load on a compressor is reduced, improving operating efficiency.
COPYRIGHT: (C)1981,JPO&Japio
JP17061879A 1979-12-27 1979-12-27 Controlling device for capacity of compressor in refrigerator Pending JPS5692384A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17061879A JPS5692384A (en) 1979-12-27 1979-12-27 Controlling device for capacity of compressor in refrigerator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17061879A JPS5692384A (en) 1979-12-27 1979-12-27 Controlling device for capacity of compressor in refrigerator

Publications (1)

Publication Number Publication Date
JPS5692384A true JPS5692384A (en) 1981-07-27

Family

ID=15908201

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17061879A Pending JPS5692384A (en) 1979-12-27 1979-12-27 Controlling device for capacity of compressor in refrigerator

Country Status (1)

Country Link
JP (1) JPS5692384A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016053461A (en) * 2014-09-04 2016-04-14 ダイキン工業株式会社 Air conditioner

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016053461A (en) * 2014-09-04 2016-04-14 ダイキン工業株式会社 Air conditioner

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