WO2008117530A1 - 冷凍装置及び冷凍装置の油戻し方法 - Google Patents

冷凍装置及び冷凍装置の油戻し方法 Download PDF

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Publication number
WO2008117530A1
WO2008117530A1 PCT/JP2008/000684 JP2008000684W WO2008117530A1 WO 2008117530 A1 WO2008117530 A1 WO 2008117530A1 JP 2008000684 W JP2008000684 W JP 2008000684W WO 2008117530 A1 WO2008117530 A1 WO 2008117530A1
Authority
WO
WIPO (PCT)
Prior art keywords
refrigeration device
oil return
refrigerant
refrigeration
compressor
Prior art date
Application number
PCT/JP2008/000684
Other languages
English (en)
French (fr)
Inventor
Yoshio Ueno
Shuuji Fujimoto
Manabu Yoshimi
Atsushi Yoshimi
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.
Publication of WO2008117530A1 publication Critical patent/WO2008117530A1/ja

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B31/00—Compressor arrangements
    • F25B31/002—Lubrication
    • F25B31/004—Lubrication oil recirculating arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0314—Temperature sensors near the indoor heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0315—Temperature sensors near the outdoor heat exchanger
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction side of the compressor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

　圧縮機（30）における潤滑に弱相溶性の冷凍機油を用いる冷凍装置において、蒸発器（34,37）から圧縮機（30）に至るまでの間に溜まる冷凍機油を冷媒と共に圧縮機（30）へ戻すために、蒸発器（34,37）の出口における冷媒の温度が蒸発器（34,37）の出口での冷媒の圧力において冷凍機油に溶ける冷媒の量が上限値に達するときの温度に対応する上限対応温度になるように冷凍サイクルの運転状態を制御する油戻し制御を行う制御手段（50）を設ける。
PCT/JP2008/000684 2007-03-26 2008-03-21 冷凍装置及び冷凍装置の油戻し方法 WO2008117530A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007078554A JP2008241065A (ja) 2007-03-26 2007-03-26 冷凍装置及び冷凍装置の油戻し方法
JP2007-078554 2007-03-26

Publications (1)

Publication Number Publication Date
WO2008117530A1 true WO2008117530A1 (ja) 2008-10-02

Family

ID=39788272

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/000684 WO2008117530A1 (ja) 2007-03-26 2008-03-21 冷凍装置及び冷凍装置の油戻し方法

Country Status (2)

Country Link
JP (1) JP2008241065A (ja)
WO (1) WO2008117530A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011064412A (ja) * 2009-09-17 2011-03-31 Toshiba Corp 冷蔵庫
EP2690380A1 (en) * 2012-07-26 2014-01-29 Electrolux Home Products Corporation N.V. Apparatus including a heat pump and method to operate an apparatus including the heat pump

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010236712A (ja) * 2009-03-30 2010-10-21 Daikin Ind Ltd 冷凍装置
JP5404581B2 (ja) * 2010-11-12 2014-02-05 エスペック株式会社 温度制御装置、湿度制御装置、及び恒温恒湿装置
JP5796619B2 (ja) * 2013-11-22 2015-10-21 ダイキン工業株式会社 空気調和機
JP6387246B2 (ja) * 2014-05-19 2018-09-05 リンナイ株式会社 ヒートポンプ加熱装置
CN108351131A (zh) * 2015-09-24 2018-07-31 开利公司 控制制冷系统内的油流动的系统和方法
EP3742068A4 (en) * 2018-01-17 2021-11-24 Toshiba Carrier Corporation METHOD OF CONTROLLING AN AIR CONDITIONING AND AIR CONDITIONING SYSTEM

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611954A (ja) * 1984-06-14 1986-01-07 三菱電機株式会社 容量制御形冷凍サイクル装置
JPH11125481A (ja) * 1997-08-19 1999-05-11 Mitsubishi Electric Corp 冷凍空調装置
JP2000186863A (ja) * 1998-12-22 2000-07-04 Mitsubishi Electric Corp 可燃性冷媒を用いた冷凍空調装置
JP2002257427A (ja) * 2001-02-28 2002-09-11 Mitsubishi Electric Corp 冷凍空調装置、及びその運転方法
JP2003262418A (ja) * 2002-03-06 2003-09-19 Mitsubishi Electric Corp 冷凍空調装置
JP2003279175A (ja) * 2002-03-22 2003-10-02 Mitsubishi Electric Corp 冷凍空調装置
JP2005214515A (ja) * 2004-01-29 2005-08-11 Mitsubishi Heavy Ind Ltd 冷凍サイクル装置、冷凍サイクル装置の圧縮機、油戻し運転制御方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4258030B2 (ja) * 1997-01-20 2009-04-30 三菱電機株式会社 冷媒循環装置

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS611954A (ja) * 1984-06-14 1986-01-07 三菱電機株式会社 容量制御形冷凍サイクル装置
JPH11125481A (ja) * 1997-08-19 1999-05-11 Mitsubishi Electric Corp 冷凍空調装置
JP2000186863A (ja) * 1998-12-22 2000-07-04 Mitsubishi Electric Corp 可燃性冷媒を用いた冷凍空調装置
JP2002257427A (ja) * 2001-02-28 2002-09-11 Mitsubishi Electric Corp 冷凍空調装置、及びその運転方法
JP2003262418A (ja) * 2002-03-06 2003-09-19 Mitsubishi Electric Corp 冷凍空調装置
JP2003279175A (ja) * 2002-03-22 2003-10-02 Mitsubishi Electric Corp 冷凍空調装置
JP2005214515A (ja) * 2004-01-29 2005-08-11 Mitsubishi Heavy Ind Ltd 冷凍サイクル装置、冷凍サイクル装置の圧縮機、油戻し運転制御方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011064412A (ja) * 2009-09-17 2011-03-31 Toshiba Corp 冷蔵庫
EP2690380A1 (en) * 2012-07-26 2014-01-29 Electrolux Home Products Corporation N.V. Apparatus including a heat pump and method to operate an apparatus including the heat pump
WO2014016341A1 (en) * 2012-07-26 2014-01-30 Electrolux Home Products Corporation N.V. Apparatus including a heat pump and method to operate an apparatus including the heat pump

Also Published As

Publication number Publication date
JP2008241065A (ja) 2008-10-09

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