EP2679930A4 - REFRIGERATION CIRCUIT DEVICE - Google Patents

REFRIGERATION CIRCUIT DEVICE

Info

Publication number
EP2679930A4
EP2679930A4 EP20110859245 EP11859245A EP2679930A4 EP 2679930 A4 EP2679930 A4 EP 2679930A4 EP 20110859245 EP20110859245 EP 20110859245 EP 11859245 A EP11859245 A EP 11859245A EP 2679930 A4 EP2679930 A4 EP 2679930A4
Authority
EP
European Patent Office
Prior art keywords
refrigeration cycle
cycle apparatus
refrigeration
cycle
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.)
Withdrawn
Application number
EP20110859245
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2679930A1 (en
Inventor
Masaki Koyama
Masanao Kotani
Ryota Iijima
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.)
Hitachi Johnson Controls Air Conditioning Inc
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Publication of EP2679930A1 publication Critical patent/EP2679930A1/en
Publication of EP2679930A4 publication Critical patent/EP2679930A4/en
Withdrawn legal-status Critical Current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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • F25B49/022—Compressor control 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
    • F25B2600/00—Control issues
    • F25B2600/02—Compressor control
    • F25B2600/026—Compressor control by controlling unloaders
    • F25B2600/0261—Compressor control by controlling unloaders external to 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2521—On-off valves controlled by pulse signals
    • 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
    • F25B2700/2104—Temperatures of an indoor room or compartment
    • 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
    • F25B2700/2106—Temperatures of fresh outdoor air

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
EP20110859245 2011-02-22 2011-02-22 REFRIGERATION CIRCUIT DEVICE Withdrawn EP2679930A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/053839 WO2012114454A1 (ja) 2011-02-22 2011-02-22 冷凍サイクル装置

Publications (2)

Publication Number Publication Date
EP2679930A1 EP2679930A1 (en) 2014-01-01
EP2679930A4 true EP2679930A4 (en) 2015-04-29

Family

ID=46720274

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110859245 Withdrawn EP2679930A4 (en) 2011-02-22 2011-02-22 REFRIGERATION CIRCUIT DEVICE

Country Status (4)

Country Link
EP (1) EP2679930A4 (ja)
JP (1) JP5965895B2 (ja)
CN (1) CN103380334B (ja)
WO (1) WO2012114454A1 (ja)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5914307B2 (ja) * 2012-12-03 2016-05-11 リンナイ株式会社 ヒートポンプ暖房システム
US9476624B2 (en) 2013-02-18 2016-10-25 Liebert Corporation Scroll compressor differential pressure control during compressor shutdown transitions
US9477235B2 (en) * 2013-02-18 2016-10-25 Liebert Corporation Methods of controlling a cooling system based on pressure differences across a scroll compressor
US9829233B2 (en) 2013-02-18 2017-11-28 Liebert Corporation Scroll compressor differential pressure control during compressor startup transitions
US10113763B2 (en) 2013-07-10 2018-10-30 Mitsubishi Electric Corporation Refrigeration cycle apparatus
CN104215008B (zh) * 2014-10-08 2016-05-25 烟台荏原空调设备有限公司 一种螺杆式冷冻机容量调节的方法及系统
JP6767841B2 (ja) * 2016-10-14 2020-10-14 サンデン・オートモーティブクライメイトシステム株式会社 車両用空気調和装置
JP2019020080A (ja) * 2017-07-20 2019-02-07 三菱重工サーマルシステムズ株式会社 空気調和装置及びその運転方法
DE102017123560A1 (de) * 2017-10-10 2019-04-11 Eut Edelstahl Umformtechnik Gmbh Selbstregulierende Einstellvorrichtung für ein Durchflussregelventil, ein Temperierungssystem als auch eine Verteilervorrichtung mit derselben, sowie Verfahren hierzu
KR102052341B1 (ko) * 2017-11-29 2019-12-04 (주)퓨처시스텍 다양한 냉매에 적용되는 차량용 냉동 시스템을 위한 전자 팽창 제어 밸브 장치
EP3809064A4 (en) * 2018-06-15 2021-09-22 Mitsubishi Electric Corporation REFRIGERATION CIRCUIT DEVICE
JP7332882B2 (ja) * 2019-09-30 2023-08-24 ダイキン工業株式会社 冷凍サイクル装置及び四方弁
CN113670969A (zh) * 2021-09-09 2021-11-19 中国矿业大学(北京) 一种冻融循环模拟装置
CN116336619A (zh) * 2021-12-23 2023-06-27 青岛海尔空调器有限总公司 用于调节空调冷媒的方法及装置、空调、存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224354A (en) * 1991-10-18 1993-07-06 Hitachi, Ltd. Control system for refrigerating apparatus
EP1087142A2 (en) * 1999-09-21 2001-03-28 Copeland Corporation Scroll compressor capacity control
WO2007050063A1 (en) * 2005-10-26 2007-05-03 Carrier Corporation Refrigerant system with pulse width modulated components and variable speed compressor
WO2008147532A1 (en) * 2007-05-24 2008-12-04 Computer Process Controls, Inc. Refrigeration system and method using multiple variable capacity devices

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58193055A (ja) * 1982-05-04 1983-11-10 株式会社東芝 ヒ−トポンプ形エアコン
JPS62126289A (ja) * 1985-11-25 1987-06-08 Toshiba Corp 空気調和装置
JPH0277555U (ja) * 1988-11-30 1990-06-14
JPH04340058A (ja) * 1991-01-28 1992-11-26 Toshiba Corp 冷凍サイクル装置
JPH05149608A (ja) * 1991-11-29 1993-06-15 Daikin Ind Ltd 空気調和装置の運転制御装置
JP3103673B2 (ja) * 1992-07-09 2000-10-30 東芝キヤリア株式会社 スクロール式圧縮機
US5741120A (en) * 1995-06-07 1998-04-21 Copeland Corporation Capacity modulated scroll machine
JP3489281B2 (ja) * 1995-07-31 2004-01-19 松下電器産業株式会社 空気調和機の膨張弁制御装置
JPH11324951A (ja) * 1998-05-19 1999-11-26 Mitsubishi Electric Corp 空気調和機
JP3849467B2 (ja) * 2001-07-11 2006-11-22 松下電器産業株式会社 空気調和機
JP2005016884A (ja) * 2003-06-27 2005-01-20 Matsushita Electric Ind Co Ltd 空気調和機
JP4920432B2 (ja) * 2007-01-23 2012-04-18 三菱電機株式会社 空気調和システム
CN101627268B (zh) * 2007-02-15 2012-08-29 开利公司 通过降低吸气压力提高效率的脉宽调制

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5224354A (en) * 1991-10-18 1993-07-06 Hitachi, Ltd. Control system for refrigerating apparatus
EP1087142A2 (en) * 1999-09-21 2001-03-28 Copeland Corporation Scroll compressor capacity control
WO2007050063A1 (en) * 2005-10-26 2007-05-03 Carrier Corporation Refrigerant system with pulse width modulated components and variable speed compressor
WO2008147532A1 (en) * 2007-05-24 2008-12-04 Computer Process Controls, Inc. Refrigeration system and method using multiple variable capacity devices

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2012114454A1 *

Also Published As

Publication number Publication date
EP2679930A1 (en) 2014-01-01
JP5965895B2 (ja) 2016-08-10
WO2012114454A1 (ja) 2012-08-30
CN103380334A (zh) 2013-10-30
CN103380334B (zh) 2016-03-16
JPWO2012114454A1 (ja) 2014-07-07

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Owner name: HITACHI APPLIANCES, INC.

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Owner name: JOHNSON CONTROLS-HITACHI AIR CONDITIONING TECHNOLO

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