EP2132498A4 - Air conditioner and control method thereof - Google Patents

Air conditioner and control method thereof

Info

Publication number
EP2132498A4
EP2132498A4 EP07793535A EP07793535A EP2132498A4 EP 2132498 A4 EP2132498 A4 EP 2132498A4 EP 07793535 A EP07793535 A EP 07793535A EP 07793535 A EP07793535 A EP 07793535A EP 2132498 A4 EP2132498 A4 EP 2132498A4
Authority
EP
European Patent Office
Prior art keywords
air conditioner
control method
conditioner
air
control
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
EP07793535A
Other languages
German (de)
French (fr)
Other versions
EP2132498A2 (en
EP2132498B1 (en
Inventor
Pil Hyun Yoon
Sung Oh Choi
Jae Heuk Choi
Baik Young Chung
Sai Kee Oh
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 EP2132498A2 publication Critical patent/EP2132498A2/en
Publication of EP2132498A4 publication Critical patent/EP2132498A4/en
Application granted granted Critical
Publication of EP2132498B1 publication Critical patent/EP2132498B1/en
Not-in-force 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
    • 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
    • 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
    • F25B2400/06—Several compression cycles arranged in parallel
    • 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
    • F25B2400/07—Details of compressors or related parts
    • F25B2400/075—Details of compressors or related parts with parallel compressors
    • 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
    • F25B2600/025—Compressor control by controlling speed
    • F25B2600/0251—Compressor control by controlling speed with on-off operation
    • 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
    • F25B2700/03—Oil level

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
EP07793535.1A 2007-03-02 2007-08-17 Air conditioner and control method thereof Not-in-force EP2132498B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020070021118A KR100878819B1 (en) 2007-03-02 2007-03-02 Air conditioner and control method for the same
PCT/KR2007/003931 WO2008108518A2 (en) 2007-03-02 2007-08-17 Air conditioner and control method thereof

Publications (3)

Publication Number Publication Date
EP2132498A2 EP2132498A2 (en) 2009-12-16
EP2132498A4 true EP2132498A4 (en) 2012-01-25
EP2132498B1 EP2132498B1 (en) 2016-10-05

Family

ID=39732141

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07793535.1A Not-in-force EP2132498B1 (en) 2007-03-02 2007-08-17 Air conditioner and control method thereof

Country Status (5)

Country Link
US (1) US20080209924A1 (en)
EP (1) EP2132498B1 (en)
KR (1) KR100878819B1 (en)
ES (1) ES2607932T3 (en)
WO (1) WO2008108518A2 (en)

Families Citing this family (30)

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US8037712B2 (en) * 2008-10-28 2011-10-18 Lg Electronics Inc. Hermetic compressor and refrigeration cycle having the same
KR101495186B1 (en) * 2010-04-01 2015-02-24 엘지전자 주식회사 Air conditioner with multiple compressors and an operation method thereof
KR101452767B1 (en) 2010-04-01 2014-10-21 엘지전자 주식회사 Oil level detecting means for compressor
JP5773730B2 (en) * 2011-04-28 2015-09-02 三菱重工業株式会社 Outdoor unit
KR101721110B1 (en) * 2011-06-08 2017-04-10 엘지전자 주식회사 Refrigerating cycle and method for operating the refrigerating cycle
CN102818390B (en) * 2011-06-08 2015-12-09 Lg电子株式会社 Refrigerating circulatory device and method of operating thereof
CN103673397B (en) * 2012-09-04 2016-04-20 约克广州空调冷冻设备有限公司 Parallel-connection compressor oil way system and refrigeration unit
CN103673399B (en) * 2012-09-14 2016-06-08 珠海格力电器股份有限公司 Multi-module parallel oil balancing system and control method
CN103913015B (en) * 2012-12-31 2016-04-27 丹佛斯（天津）有限公司 Oil balancing unit and use its refrigeration system
CN103062841B (en) * 2013-01-18 2015-08-19 四川长虹电器股份有限公司 A kind of air-conditioning system, control system and air conditioning control method
EP2969613B1 (en) 2013-03-13 2018-08-08 Bergstrom, Inc. Air conditioning system utilizing heat recovery ventilation for fresh air supply and climate control
KR20150050710A (en) 2013-10-30 2015-05-11 엘지전자 주식회사 Air conditioner and control method of the same
CN105873778A (en) 2013-11-04 2016-08-17 博格思众公司 Low profile air conditioning system
KR102136874B1 (en) * 2013-12-26 2020-07-23 엘지전자 주식회사 Air conditioner
CN106104172B (en) * 2014-03-17 2019-05-28 三菱电机株式会社 Refrigerating circulatory device
US9783024B2 (en) 2015-03-09 2017-10-10 Bergstrom Inc. System and method for remotely managing climate control systems of a fleet of vehicles
EP3136010B1 (en) * 2015-07-08 2018-10-10 Mitsubishi Electric Corporation Air-conditioning device
US9874384B2 (en) 2016-01-13 2018-01-23 Bergstrom, Inc. Refrigeration system with superheating, sub-cooling and refrigerant charge level control
US10589598B2 (en) 2016-03-09 2020-03-17 Bergstrom, Inc. Integrated condenser and compressor system
US10081226B2 (en) 2016-08-22 2018-09-25 Bergstrom Inc. Parallel compressors climate system
US10562372B2 (en) 2016-09-02 2020-02-18 Bergstrom, Inc. Systems and methods for starting-up a vehicular air-conditioning system
US10675948B2 (en) 2016-09-29 2020-06-09 Bergstrom, Inc. Systems and methods for controlling a vehicle HVAC system
US10724772B2 (en) 2016-09-30 2020-07-28 Bergstrom, Inc. Refrigerant liquid-gas separator having an integrated check valve
US10369863B2 (en) 2016-09-30 2019-08-06 Bergstrom, Inc. Refrigerant liquid-gas separator with electronics cooling
US11448441B2 (en) 2017-07-27 2022-09-20 Bergstrom, Inc. Refrigerant system for cooling electronics
JP6896078B2 (en) * 2017-07-27 2021-06-30 三菱電機株式会社 Refrigeration cycle equipment
CN108224839B (en) * 2017-12-29 2020-06-09 Tcl空调器(中山)有限公司 Multi-split air conditioning system and control method thereof
US11420496B2 (en) 2018-04-02 2022-08-23 Bergstrom, Inc. Integrated vehicular system for conditioning air and heating water
CN109297151B (en) 2018-10-22 2020-12-15 广东美的暖通设备有限公司 Oil return control method and device for air conditioning system, storage medium and air conditioning system
CN113883683B (en) * 2021-09-28 2024-01-19 青岛海尔中央空调有限公司 Control method for multi-split air conditioning unit

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02287067A (en) * 1989-04-27 1990-11-27 Daikin Ind Ltd Oil separator for a plurality of compressors operated in parallel
JPH0484073A (en) * 1990-07-26 1992-03-17 Sanyo Electric Co Ltd Freezer device
JPH06109337A (en) * 1992-09-28 1994-04-19 Mitsubishi Heavy Ind Ltd Refrigerant circuit for air-conditioning machine
JPH09113041A (en) * 1995-10-11 1997-05-02 Sanyo Electric Co Ltd Air conditioner
JPH09243213A (en) * 1996-03-13 1997-09-19 Hitachi Ltd Air conditioning equipment
EP1120611A1 (en) * 1999-07-21 2001-08-01 Daikin Industries, Ltd. Refrigerating device
JP2001324236A (en) * 2000-05-19 2001-11-22 Fujitsu General Ltd Air conditioner
EP1443286A1 (en) * 2001-10-19 2004-08-04 Toshiba Carrier Corporation Refrigerating equipment
EP1510693A2 (en) * 2003-08-29 2005-03-02 Samsung Electronics Co., Ltd. Oil level equalizing system for multiple compressors
EP1605212A2 (en) * 2004-06-10 2005-12-14 Samsung Electronics Co., Ltd. Air conditioner and method for performing oil equalising operation in the air conditioner

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4589263A (en) * 1984-04-12 1986-05-20 Hussmann Corporation Multiple compressor oil system
JP2865707B2 (en) * 1989-06-14 1999-03-08 株式会社日立製作所 Refrigeration equipment
JP3143140B2 (en) * 1991-04-18 2001-03-07 三洋電機株式会社 Refrigeration equipment
US5369958A (en) * 1992-10-15 1994-12-06 Mitsubishi Denki Kabushiki Kaisha Air conditioner
US5634345A (en) * 1995-06-06 1997-06-03 Alsenz; Richard H. Oil monitoring system
EP0838640A3 (en) * 1996-10-28 1998-06-17 Matsushita Refrigeration Company Oil level equalizing system for plural compressors
US6145326A (en) * 1999-04-29 2000-11-14 Systematic Refrigeration, Inc. Forced oil cooling for refrigeration compressor
KR100407946B1 (en) * 2000-12-27 2003-12-01 엘지전자 주식회사 Air conditioner with two compressors
KR100413427B1 (en) * 2000-12-27 2003-12-31 엘지전자 주식회사 Air conditioner with two compressors
JP4300804B2 (en) * 2002-06-11 2009-07-22 ダイキン工業株式会社 Oil leveling circuit of compression mechanism, heat source unit of refrigeration apparatus, and refrigeration apparatus including the same
KR100504900B1 (en) * 2003-10-10 2005-07-29 엘지전자 주식회사 Airconditioner and his balance oil driving control method equipped with forth compressor
KR20050079463A (en) * 2004-02-06 2005-08-10 엘지전자 주식회사 Air conditioner
KR20050079464A (en) * 2004-02-06 2005-08-10 엘지전자 주식회사 Oil control system for air conditioner
US6983622B2 (en) * 2004-04-20 2006-01-10 Danfoss Commercial Compressors Gas distribution device
KR101230690B1 (en) * 2005-03-11 2013-02-07 엘지전자 주식회사 Outdoor unit system for Multi-type air conditioner

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02287067A (en) * 1989-04-27 1990-11-27 Daikin Ind Ltd Oil separator for a plurality of compressors operated in parallel
JPH0484073A (en) * 1990-07-26 1992-03-17 Sanyo Electric Co Ltd Freezer device
JPH06109337A (en) * 1992-09-28 1994-04-19 Mitsubishi Heavy Ind Ltd Refrigerant circuit for air-conditioning machine
JPH09113041A (en) * 1995-10-11 1997-05-02 Sanyo Electric Co Ltd Air conditioner
JPH09243213A (en) * 1996-03-13 1997-09-19 Hitachi Ltd Air conditioning equipment
EP1120611A1 (en) * 1999-07-21 2001-08-01 Daikin Industries, Ltd. Refrigerating device
JP2001324236A (en) * 2000-05-19 2001-11-22 Fujitsu General Ltd Air conditioner
EP1443286A1 (en) * 2001-10-19 2004-08-04 Toshiba Carrier Corporation Refrigerating equipment
EP1510693A2 (en) * 2003-08-29 2005-03-02 Samsung Electronics Co., Ltd. Oil level equalizing system for multiple compressors
EP1605212A2 (en) * 2004-06-10 2005-12-14 Samsung Electronics Co., Ltd. Air conditioner and method for performing oil equalising operation in the air conditioner

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008108518A2 *

Also Published As

Publication number Publication date
WO2008108518A2 (en) 2008-09-12
ES2607932T3 (en) 2017-04-04
WO2008108518A3 (en) 2009-05-28
US20080209924A1 (en) 2008-09-04
KR20080080857A (en) 2008-09-05
KR100878819B1 (en) 2009-01-14
EP2132498A2 (en) 2009-12-16
EP2132498B1 (en) 2016-10-05

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