EP1832820A3 - Air conditioner - Google Patents

Air conditioner Download PDF

Info

Publication number
EP1832820A3
EP1832820A3 EP07012492A EP07012492A EP1832820A3 EP 1832820 A3 EP1832820 A3 EP 1832820A3 EP 07012492 A EP07012492 A EP 07012492A EP 07012492 A EP07012492 A EP 07012492A EP 1832820 A3 EP1832820 A3 EP 1832820A3
Authority
EP
European Patent Office
Prior art keywords
refrigerant
pipe
liquid
receiver
gas
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
EP07012492A
Other languages
German (de)
French (fr)
Other versions
EP1832820B1 (en
EP1832820A2 (en
Inventor
Hidehiko Kataoka
Yoshihiro Nishiura
Shinichi Sakamoto
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 EP1832820A2 publication Critical patent/EP1832820A2/en
Publication of EP1832820A3 publication Critical patent/EP1832820A3/en
Application granted granted Critical
Publication of EP1832820B1 publication Critical patent/EP1832820B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • 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
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel 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
    • 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
    • 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
    • F25B2400/16—Receivers
    • 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
    • F25B2600/024—Compressor control by controlling the electric parameters, e.g. current or voltage
    • 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
    • F25B2600/05—Refrigerant levels
    • 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
    • F25B2700/15—Power, e.g. by voltage or current
    • F25B2700/151—Power, e.g. by voltage or current of the compressor motor
    • 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
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1931—Discharge pressures
    • 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
    • F25B2700/19—Pressures
    • F25B2700/193—Pressures of the compressor
    • F25B2700/1933—Suction pressures
    • 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
    • F25B2700/19—Pressures
    • F25B2700/195—Pressures of the condenser
    • 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
    • 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
    • F25B2700/2115—Temperatures of a compressor or the drive means therefor
    • F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of 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
    • F25B45/00—Arrangements for charging or discharging refrigerant
    • 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

Abstract

An air conditioner comprising a refrigerant circuit formed of an outdoor unit refrigerant circuit including at least a compressor (101), a four-way valve (102) and an outdoor heat exchanger (103) arranged in an outdoor unit (100), and an indoor heat exchanger (201) arranged in an indoor unit (200) and connected to said outdoor unit refrigerant circuit by a liquid-side pipe and a gas-side pipe, wherein a bypass circuit forming a bypass between said liquid-side and gas-side pipes (131,132) is provided with a receiver (121) for collecting liquid refrigerant, and refrigerant on-off means (128,129) arranged in a liquid pipe connection pipe (122) connecting said receiver (121) to said liquid-side pipe (131) and in a gas pipe connecting pipe (123) connecting said receiver (121) to said gas-side pipe (132), said refrigerant on-off means (128,129) is controlled based on determination of presence/absence of surplus refrigerant performed by determining a current heat exchanging performance of said outdoor heat exchanger (103), and thereby an amount of the refrigerant in said receiver (121) is controlled.
EP07012492A 2000-07-26 2001-07-24 Air conditioner Expired - Lifetime EP1832820B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000225427A JP4089139B2 (en) 2000-07-26 2000-07-26 Air conditioner
EP01950048A EP1304532B1 (en) 2000-07-26 2001-07-24 Air conditioner

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP01950048A Division EP1304532B1 (en) 2000-07-26 2001-07-24 Air conditioner

Publications (3)

Publication Number Publication Date
EP1832820A2 EP1832820A2 (en) 2007-09-12
EP1832820A3 true EP1832820A3 (en) 2007-09-26
EP1832820B1 EP1832820B1 (en) 2009-07-22

Family

ID=18719203

Family Applications (4)

Application Number Title Priority Date Filing Date
EP07012490A Expired - Lifetime EP1830141B1 (en) 2000-07-26 2001-07-24 Air conditioner
EP07012492A Expired - Lifetime EP1832820B1 (en) 2000-07-26 2001-07-24 Air conditioner
EP07012491A Expired - Lifetime EP1830142B1 (en) 2000-07-26 2001-07-24 Air conditioner
EP01950048A Expired - Lifetime EP1304532B1 (en) 2000-07-26 2001-07-24 Air conditioner

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP07012490A Expired - Lifetime EP1830141B1 (en) 2000-07-26 2001-07-24 Air conditioner

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP07012491A Expired - Lifetime EP1830142B1 (en) 2000-07-26 2001-07-24 Air conditioner
EP01950048A Expired - Lifetime EP1304532B1 (en) 2000-07-26 2001-07-24 Air conditioner

Country Status (9)

Country Link
EP (4) EP1830141B1 (en)
JP (1) JP4089139B2 (en)
KR (1) KR100478392B1 (en)
CN (1) CN1170095C (en)
AT (4) ATE434744T1 (en)
AU (1) AU766171B2 (en)
DE (4) DE60139353D1 (en)
ES (1) ES2307629T3 (en)
WO (1) WO2002008674A1 (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7089088B2 (en) 2003-01-24 2006-08-08 Tecumseh Products Company Integrated HVACR control and protection system
JP4734161B2 (en) * 2006-04-19 2011-07-27 日立アプライアンス株式会社 Refrigeration cycle apparatus and air conditioner
JP4245064B2 (en) * 2007-05-30 2009-03-25 ダイキン工業株式会社 Air conditioner
JP4500331B2 (en) * 2007-07-12 2010-07-14 日立アプライアンス株式会社 Air conditioning apparatus and control method thereof
ATE528598T1 (en) * 2007-08-24 2011-10-15 Johnson Controls Tech Co STEAM COMPRESSION SYSTEM AND CONTROL METHOD THEREOF
JP5263522B2 (en) * 2008-12-11 2013-08-14 株式会社富士通ゼネラル Refrigeration equipment
CN102725599B (en) * 2010-01-29 2014-11-26 大金工业株式会社 Heat pump system
CN101832688A (en) * 2010-05-20 2010-09-15 广东美的电器股份有限公司 Bypass structure of low-pressure liquid storing tank of multi-connected heat pump air-conditioning system
JP4968373B2 (en) 2010-08-02 2012-07-04 ダイキン工業株式会社 Air conditioner
KR20120031842A (en) * 2010-09-27 2012-04-04 엘지전자 주식회사 A refrigerant system
CN102589217B (en) * 2011-01-10 2016-02-03 珠海格力电器股份有限公司 Coolant quantity control device and method and there is the air-conditioner set of this control device
KR101237216B1 (en) 2011-10-24 2013-02-26 엘지전자 주식회사 An air condtioner and a control method the same
CN102589204B (en) * 2012-03-13 2015-01-14 上海交通大学 Refrigeration circulating system with separated heat pipe loop coupled with evaporator
JP5672290B2 (en) * 2012-10-31 2015-02-18 ダイキン工業株式会社 Air conditioner
JP2014163548A (en) * 2013-02-22 2014-09-08 Fujitsu General Ltd Air conditioning apparatus
CN105987537B (en) * 2015-02-05 2018-11-06 佛山市禾才科技服务有限公司 A kind of control method of multi-online air-conditioning system and its varying duty
CN106969475B (en) * 2017-05-08 2019-12-31 青岛海尔空调器有限总公司 Air conditioning system adjusting method and device
CN107101337B (en) * 2017-05-08 2019-11-05 青岛海尔空调器有限总公司 Air-conditioning system adjusting method and device
JP6835184B1 (en) * 2019-11-18 2021-02-24 ダイキン工業株式会社 Intermediate unit and refrigeration equipment for refrigeration equipment

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60114669A (en) * 1983-11-28 1985-06-21 株式会社東芝 Air conditioner
US5937660A (en) * 1993-07-26 1999-08-17 Lau; Billy Ying Bui Quick cooling air conditioning system
JP2000146322A (en) * 1998-11-16 2000-05-26 Zexel Corp Refrigerating cycle
EP1300637A1 (en) * 2000-07-13 2003-04-09 Daikin Industries, Ltd. Refrigerant circuit of air conditioner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60114669A (en) * 1983-11-28 1985-06-21 株式会社東芝 Air conditioner
US5937660A (en) * 1993-07-26 1999-08-17 Lau; Billy Ying Bui Quick cooling air conditioning system
JP2000146322A (en) * 1998-11-16 2000-05-26 Zexel Corp Refrigerating cycle
EP1300637A1 (en) * 2000-07-13 2003-04-09 Daikin Industries, Ltd. Refrigerant circuit of air conditioner

Also Published As

Publication number Publication date
KR20020035138A (en) 2002-05-09
EP1830142A1 (en) 2007-09-05
AU7108301A (en) 2002-02-05
EP1830141A1 (en) 2007-09-05
WO2002008674A1 (en) 2002-01-31
AU766171B2 (en) 2003-10-09
CN1170095C (en) 2004-10-06
DE60139168D1 (en) 2009-08-13
JP4089139B2 (en) 2008-05-28
ATE402379T1 (en) 2008-08-15
DE60139353D1 (en) 2009-09-03
EP1830141B1 (en) 2009-06-24
EP1830142B1 (en) 2009-07-01
EP1832820B1 (en) 2009-07-22
DE60139091D1 (en) 2009-08-06
ATE434744T1 (en) 2009-07-15
CN1386185A (en) 2002-12-18
ATE437343T1 (en) 2009-08-15
EP1304532A4 (en) 2006-11-02
JP2002039642A (en) 2002-02-06
DE60134984D1 (en) 2008-09-04
EP1304532B1 (en) 2008-07-23
KR100478392B1 (en) 2005-03-28
ATE435405T1 (en) 2009-07-15
EP1832820A2 (en) 2007-09-12
EP1304532A1 (en) 2003-04-23
ES2307629T3 (en) 2008-12-01

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