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EP1921400A3 - Simultaneous cooling-heating multiple type air conditioner - Google Patents

Simultaneous cooling-heating multiple type air conditioner Download PDF

Info

Publication number
EP1921400A3
EP1921400A3 EP07252278.2A EP07252278A EP1921400A3 EP 1921400 A3 EP1921400 A3 EP 1921400A3 EP 07252278 A EP07252278 A EP 07252278A EP 1921400 A3 EP1921400 A3 EP 1921400A3
Authority
EP
European Patent Office
Prior art keywords
heating
cooling
simultaneous cooling
initiative
operation mode
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.)
Granted
Application number
EP07252278.2A
Other languages
German (de)
French (fr)
Other versions
EP1921400A2 (en
EP1921400B1 (en
Inventor
Ju Sang Kim
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.)
LG Electronics Inc
Original Assignee
LG Electronics Inc
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 LG Electronics Inc filed Critical LG Electronics Inc
Publication of EP1921400A2 publication Critical patent/EP1921400A2/en
Publication of EP1921400A3 publication Critical patent/EP1921400A3/en
Application granted granted Critical
Publication of EP1921400B1 publication Critical patent/EP1921400B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety 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
    • F25B1/00—Compression machines, plants or systems with non-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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • 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
    • F25B2313/007—Compression machines, plants or systems with reversible cycle not otherwise provided for three pipes connecting the outdoor side to the indoor side with multiple indoor units
    • 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
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

A simultaneous cooling-heating multiple type air conditioner includes a plurality of cooling-heating combined-use indoor units controlled in an operation domain divided into a plurality of operation zones based on a refrigerant suction pressure and a refrigerant discharge pressure of a compressor. The operation domain includes three operation zones. In the first operation zone, a cooling-initiative simultaneous cooling and heating operation mode is switched to a heating-initiative simultaneous cooling and heating operation mode. In the second operation zone, the cooling-initiative simultaneous cooling and heating operation mode or the heating-initiative simultaneous cooling and heating operation mode, does not switch to different modes. In the third operation zone, the heating-initiative simultaneous cooling and heating operation mode is switched to the cooling-initiative simultaneous cooling and heating operation mode.
EP07252278.2A 2006-10-19 2007-06-06 Simultaneous cooling-heating multiple type air conditioner Active EP1921400B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020060101754A KR101176482B1 (en) 2006-10-19 2006-10-19 Multi-air conditioner for heating and cooling operations at the same time

Publications (3)

Publication Number Publication Date
EP1921400A2 EP1921400A2 (en) 2008-05-14
EP1921400A3 true EP1921400A3 (en) 2015-06-03
EP1921400B1 EP1921400B1 (en) 2018-08-08

Family

ID=39226677

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07252278.2A Active EP1921400B1 (en) 2006-10-19 2007-06-06 Simultaneous cooling-heating multiple type air conditioner

Country Status (6)

Country Link
US (1) US20080092572A1 (en)
EP (1) EP1921400B1 (en)
KR (1) KR101176482B1 (en)
CN (1) CN101165411B (en)
AU (1) AU2006349942A1 (en)
WO (1) WO2008047968A2 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5106536B2 (en) * 2007-08-28 2012-12-26 三菱電機株式会社 Air conditioner
WO2010082325A1 (en) * 2009-01-15 2010-07-22 三菱電機株式会社 Air conditioner
ES2699462T3 (en) * 2009-09-10 2019-02-11 Mitsubishi Electric Corp Air conditioner device
CN102597657B (en) * 2009-10-27 2014-10-22 三菱电机株式会社 Air conditioning device
KR101153513B1 (en) * 2010-01-15 2012-06-11 엘지전자 주식회사 A refrigerant system and the method of controlling for the same
KR101146409B1 (en) * 2010-02-08 2012-05-17 엘지전자 주식회사 A refrigerant system
WO2012172599A1 (en) * 2011-06-14 2012-12-20 三菱電機株式会社 Air conditioner
CN104747453B (en) * 2015-02-07 2017-05-10 宁波鲍斯能源装备股份有限公司 Two-stage screw compressor discharge pressure stabilizing device and two-stage screw compressor discharge pressure stabilizing method
KR101726073B1 (en) * 2015-10-01 2017-04-11 엘지전자 주식회사 Air conditioning system
CN105276776B (en) * 2015-11-13 2018-05-18 珠海格力电器股份有限公司 Control method and system of central air-conditioning module
US20180195794A1 (en) 2017-01-12 2018-07-12 Emerson Climate Technologies, Inc. Diagnostics And Control For Micro Booster Supermarket Refrigeration System
CN107477824B (en) * 2017-09-11 2020-02-07 珠海格力电器股份有限公司 Mode converter, heat recovery multi-split air conditioning system and control method
CN109682021B (en) * 2018-12-13 2021-05-14 青岛海信日立空调系统有限公司 Outdoor unit protection method and device and air conditioning system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6883345B2 (en) * 2002-06-12 2005-04-26 Lg Electronics Inc. Multi-type air conditioner and method for operating the same
EP1526341A1 (en) * 2003-10-21 2005-04-27 Samsung Electronics Co., Ltd. Multi-unit air conditioner and method for controlling the same
EP1686331A2 (en) * 2004-12-28 2006-08-02 Lg Electronics Inc. Supercooling apparatus of a multiple air conditioner

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU636726B2 (en) * 1990-03-19 1993-05-06 Mitsubishi Denki Kabushiki Kaisha Air conditioning system
US5237833A (en) * 1991-01-10 1993-08-24 Mitsubishi Denki Kabushiki Kaisha Air-conditioning system
JP3635665B2 (en) * 1992-05-28 2005-04-06 三菱電機株式会社 Air conditioner
JP3230845B2 (en) * 1992-07-10 2001-11-19 東芝キヤリア株式会社 Multi-type air conditioner
EP1373821A4 (en) * 2001-03-14 2008-06-25 Showa Denko Kk Layered heat exchanger, layered evaporator for motor vehicle air conditioners and refrigeration system
JP4399667B2 (en) 2004-09-08 2010-01-20 日立アプライアンス株式会社 Air conditioner
KR100688171B1 (en) * 2004-12-29 2007-03-02 엘지전자 주식회사 Air conditioner and refrigerant recovery method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6883345B2 (en) * 2002-06-12 2005-04-26 Lg Electronics Inc. Multi-type air conditioner and method for operating the same
EP1526341A1 (en) * 2003-10-21 2005-04-27 Samsung Electronics Co., Ltd. Multi-unit air conditioner and method for controlling the same
EP1686331A2 (en) * 2004-12-28 2006-08-02 Lg Electronics Inc. Supercooling apparatus of a multiple air conditioner

Also Published As

Publication number Publication date
WO2008047968A2 (en) 2008-04-24
KR101176482B1 (en) 2012-08-22
AU2006349942A1 (en) 2008-04-24
US20080092572A1 (en) 2008-04-24
EP1921400A2 (en) 2008-05-14
CN101165411B (en) 2011-09-14
CN101165411A (en) 2008-04-23
EP1921400B1 (en) 2018-08-08
KR20080035271A (en) 2008-04-23
WO2008047968A3 (en) 2009-05-22

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