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WO2008102748A1 - 冷凍装置 - Google Patents

冷凍装置 Download PDF

Info

Publication number
WO2008102748A1
WO2008102748A1 PCT/JP2008/052702 JP2008052702W WO2008102748A1 WO 2008102748 A1 WO2008102748 A1 WO 2008102748A1 JP 2008052702 W JP2008052702 W JP 2008052702W WO 2008102748 A1 WO2008102748 A1 WO 2008102748A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
refrigerant
stopped
air conditioner
refrigerating machine
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.)
Ceased
Application number
PCT/JP2008/052702
Other languages
English (en)
French (fr)
Inventor
Yoshio Ueno
Shuji Fujimoto
Manabu Yoshimi
Atsushi Yoshimi
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
Publication of WO2008102748A1 publication Critical patent/WO2008102748A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • 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
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/01—Heaters
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/27—Problems to be solved characterised by the stop of the refrigeration cycle

Landscapes

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

Abstract

　冷媒と非相溶でかつ冷媒よりも密度が大きい冷凍機油を使用する冷凍装置において、圧縮機停止時の消費電力を抑える。空気調和装置（１）は、圧縮機（２１）、熱源側熱交換器（２３）、膨張機構（２４）、及び利用側熱交換器（４１）を含んでおり、冷媒と非相溶でかつ冷媒よりも密度が大きい冷凍機油が封入された冷媒回路（１０）と、圧縮機（２１）の油面高さ（Ｕ）付近を加熱するクランクケースヒータ（９）とを備えている。そして、この空気調和装置（１）は、圧縮機停止前に、冷媒回路（１０）に分布した冷凍機油を圧縮機（２１）に戻す油回収運転を行い、圧縮機停止時にクランクケースヒータ（９）を稼働させる。
PCT/JP2008/052702 2007-02-23 2008-02-19 冷凍装置 Ceased WO2008102748A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007-044229 2007-02-23
JP2007044229A JP2008209036A (ja) 2007-02-23 2007-02-23 冷凍装置

Publications (1)

Publication Number Publication Date
WO2008102748A1 true WO2008102748A1 (ja) 2008-08-28

Family

ID=39710025

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/052702 Ceased WO2008102748A1 (ja) 2007-02-23 2008-02-19 冷凍装置

Country Status (2)

Country Link
JP (1) JP2008209036A (ja)
WO (1) WO2008102748A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2013114461A1 (ja) * 2012-02-02 2015-05-11 三菱電機株式会社 空気調和装置及び鉄道車両用空気調和装置
CN108253674A (zh) * 2017-12-08 2018-07-06 上海三菱电机·上菱空调机电器有限公司 按冷媒配管长度进行冷媒控制的切换方法及系统

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5611179B2 (ja) * 2011-11-28 2014-10-22 三菱電機株式会社 空気調和装置
JP5937619B2 (ja) * 2011-12-14 2016-06-22 三菱電機株式会社 ヒートポンプ装置ならびに、それを備えた空気調和機、ヒートポンプ給湯機、冷蔵庫、および冷凍機
US9181939B2 (en) 2012-11-16 2015-11-10 Emerson Climate Technologies, Inc. Compressor crankcase heating control systems and methods
US9353738B2 (en) 2013-09-19 2016-05-31 Emerson Climate Technologies, Inc. Compressor crankcase heating control systems and methods
JPWO2018138796A1 (ja) * 2017-01-25 2019-11-07 三菱電機株式会社 冷凍サイクル装置
CN111386434A (zh) 2017-11-30 2020-07-07 三菱电机株式会社 制冷循环装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626716A (ja) * 1992-04-21 1994-02-04 Daikin Ind Ltd 空気調和装置の運転制御装置
JPH08193759A (ja) * 1995-01-17 1996-07-30 Matsushita Electric Ind Co Ltd 冷媒に非相溶の冷凍機油を用いた冷凍装置の制御装置
JP2005024168A (ja) * 2003-07-02 2005-01-27 Sanyo Electric Co Ltd 空気調和装置及びその冷凍機油回収方法
JP2006283616A (ja) * 2005-03-31 2006-10-19 Daikin Ind Ltd 圧縮機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2503633B2 (ja) * 1989-02-28 1996-06-05 ダイキン工業株式会社 冷凍装置の運転制御装置
JP3286817B2 (ja) * 1993-01-28 2002-05-27 松下電器産業株式会社 多室型空気調和装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0626716A (ja) * 1992-04-21 1994-02-04 Daikin Ind Ltd 空気調和装置の運転制御装置
JPH08193759A (ja) * 1995-01-17 1996-07-30 Matsushita Electric Ind Co Ltd 冷媒に非相溶の冷凍機油を用いた冷凍装置の制御装置
JP2005024168A (ja) * 2003-07-02 2005-01-27 Sanyo Electric Co Ltd 空気調和装置及びその冷凍機油回収方法
JP2006283616A (ja) * 2005-03-31 2006-10-19 Daikin Ind Ltd 圧縮機

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPWO2013114461A1 (ja) * 2012-02-02 2015-05-11 三菱電機株式会社 空気調和装置及び鉄道車両用空気調和装置
US9796398B2 (en) 2012-02-02 2017-10-24 Mitsubishi Electric Corporation Air-conditioning apparatus and railway vehicle air-conditioning apparatus
CN108253674A (zh) * 2017-12-08 2018-07-06 上海三菱电机·上菱空调机电器有限公司 按冷媒配管长度进行冷媒控制的切换方法及系统
CN108253674B (zh) * 2017-12-08 2020-11-20 上海三菱电机·上菱空调机电器有限公司 按冷媒配管长度进行冷媒控制的切换方法及系统

Also Published As

Publication number Publication date
JP2008209036A (ja) 2008-09-11

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