EP2679930A4 - REFRIGERATION CYCLE APPARATUS - Google Patents

REFRIGERATION CYCLE APPARATUS

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Withdrawn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)
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Withdrawn legal-status Critical Current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 CYCLE APPARATUS Withdrawn EP2679930A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2011/053839 WO2012114454A1 (en) 2011-02-22 2011-02-22 Refrigeration cycle apparatus

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 CYCLE APPARATUS

Country Status (4)

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

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5914307B2 (en) * 2012-12-03 2016-05-11 リンナイ株式会社 Heat pump heating system
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
WO2015004747A1 (en) * 2013-07-10 2015-01-15 三菱電機株式会社 Refrigeration cycle apparatus
CN104215008B (en) * 2014-10-08 2016-05-25 烟台荏原空调设备有限公司 A kind of method and system of screw refrigerator capacity regulating
JP6767841B2 (en) * 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 Vehicle air conditioner
JP2019020080A (en) * 2017-07-20 2019-02-07 三菱重工サーマルシステムズ株式会社 Air conditioner and operation method thereof
DE102017123560B4 (en) * 2017-10-10 2024-09-12 Eut Edelstahl Umformtechnik Gmbh Self-regulating adjustment device for a flow control valve
KR102052341B1 (en) * 2017-11-29 2019-12-04 (주)퓨처시스텍 A Electrical Expanding Control Valve for A Refrigerator Vehicle to Applying Various Refrigerants
JP6925528B2 (en) * 2018-06-15 2021-08-25 三菱電機株式会社 Refrigeration cycle equipment
JP7332882B2 (en) * 2019-09-30 2023-08-24 ダイキン工業株式会社 Refrigeration cycle device and four-way valve
CN113670969A (en) * 2021-09-09 2021-11-19 中国矿业大学(北京) Freeze-thaw cycle simulation device
CN116336619A (en) * 2021-12-23 2023-06-27 青岛海尔空调器有限总公司 Method and device for adjusting air-conditioning refrigerant, air conditioner, storage medium
CN115419714A (en) * 2022-08-18 2022-12-02 浙江怡和卫浴有限公司 Flow regulating device and method
CN115528519A (en) * 2022-09-23 2022-12-27 深圳技术大学 A high-power excimer laser discharge chamber temperature control system and method
JP2025011712A (en) * 2023-07-11 2025-01-24 日立ジョンソンコントロールズ空調株式会社 Refrigeration Cycle Equipment

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 (en) * 1982-05-04 1983-11-10 株式会社東芝 Heat pump type air conditioner
JPS62126289A (en) * 1985-11-25 1987-06-08 Toshiba Corp Air conditioner
JPH0277555U (en) * 1988-11-30 1990-06-14
JPH04340058A (en) * 1991-01-28 1992-11-26 Toshiba Corp Refrigeration cycle device
JPH05149608A (en) * 1991-11-29 1993-06-15 Daikin Ind Ltd Operation control device for air conditioner
JP3103673B2 (en) * 1992-07-09 2000-10-30 東芝キヤリア株式会社 Scroll compressor
US5741120A (en) * 1995-06-07 1998-04-21 Copeland Corporation Capacity modulated scroll machine
JP3489281B2 (en) * 1995-07-31 2004-01-19 松下電器産業株式会社 Air conditioner expansion valve controller
JPH11324951A (en) * 1998-05-19 1999-11-26 Mitsubishi Electric Corp Air conditioner
JP3849467B2 (en) * 2001-07-11 2006-11-22 松下電器産業株式会社 Air conditioner
JP2005016884A (en) * 2003-06-27 2005-01-20 Matsushita Electric Ind Co Ltd Air conditioner
JP4920432B2 (en) * 2007-01-23 2012-04-18 三菱電機株式会社 Air conditioning system
DK2122274T3 (en) * 2007-02-15 2017-11-27 Carrier Corp Pulse width modulation with reduced suction pressure to improve efficiency

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

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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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Owner name: HITACHI-JOHNSON CONTROLS AIR CONDITIONING, INC.

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