EP2015005A3 - Air conditioner and method for controlling the same - Google Patents

Air conditioner and method for controlling the same Download PDF

Info

Publication number
EP2015005A3
EP2015005A3 EP08012385A EP08012385A EP2015005A3 EP 2015005 A3 EP2015005 A3 EP 2015005A3 EP 08012385 A EP08012385 A EP 08012385A EP 08012385 A EP08012385 A EP 08012385A EP 2015005 A3 EP2015005 A3 EP 2015005A3
Authority
EP
European Patent Office
Prior art keywords
indoor units
incorporated
air conditioner
unit
decompression device
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
EP08012385A
Other languages
German (de)
French (fr)
Other versions
EP2015005A2 (en
EP2015005B1 (en
Inventor
Tetsuya Kozai
Yoshiki Hata
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 Appliances 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 Hitachi Appliances Inc filed Critical Hitachi Appliances Inc
Publication of EP2015005A2 publication Critical patent/EP2015005A2/en
Publication of EP2015005A3 publication Critical patent/EP2015005A3/en
Application granted granted Critical
Publication of EP2015005B1 publication Critical patent/EP2015005B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B45/00Arrangements for charging or discharging refrigerant
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/50Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/023Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0233Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2400/00General 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
    • F25B2400/19Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/25Control of valves
    • F25B2600/2513Expansion valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00Control issues
    • F25B2600/25Control of valves
    • F25B2600/2519On-off valves

Landscapes

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

Abstract

There is disclosed an air conditioner having an outdoor unit (A) and plural indoor units (a,b) connected by refrigerant pipes. The plural indoor units (a,b) include a first unit having an expansion valve (5) and a heat exchanger (4) incorporated therein, and a second indoor unit having a heat exchanger (4) incorporated therein. A decompression device including an expansion valve (6) and an on-off valve (7) is connected at the middle of the outward and inward refrigerant pipes connecting the second indoor unit (b) with the outdoor unit (A). This makes it possible to connect different types of indoor units, namely, the first indoor units (a) having the decompression device (5) incorporated therein and the second indoor units having no decompression device incorporated therein.
EP08012385.4A 2007-07-12 2008-07-09 Air conditioner Active EP2015005B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007183300A JP4500331B2 (en) 2007-07-12 2007-07-12 Air conditioning apparatus and control method thereof

Publications (3)

Publication Number Publication Date
EP2015005A2 EP2015005A2 (en) 2009-01-14
EP2015005A3 true EP2015005A3 (en) 2011-09-21
EP2015005B1 EP2015005B1 (en) 2018-03-14

Family

ID=39884491

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08012385.4A Active EP2015005B1 (en) 2007-07-12 2008-07-09 Air conditioner

Country Status (4)

Country Link
EP (1) EP2015005B1 (en)
JP (1) JP4500331B2 (en)
CN (1) CN101344289B (en)
ES (1) ES2673505T3 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4953018B2 (en) 2005-03-15 2012-06-13 味の素株式会社 Drug transfer device
CN102538299B (en) * 2012-01-18 2014-03-26 上海汉福空气处理设备有限公司 Heat-pump type temperature and humidity adjustable unit
US10429083B2 (en) 2013-08-30 2019-10-01 Qingdao Hisense Hitachi Air-conditioning Systems Co., Ltd. Multi-type air conditioner system
CN103471183B (en) * 2013-08-30 2016-01-06 青岛海信日立空调系统有限公司 Ground heating type multi-online air-conditioning system
JP6897738B2 (en) * 2019-09-30 2021-07-07 ダイキン工業株式会社 Refrigeration equipment and heat source unit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194651A (en) * 1986-07-29 1988-03-09 Toshiba Kk Air conditioner control system
EP0668474A2 (en) * 1994-02-18 1995-08-23 Sanyo Electric Co. Ltd Multiroom air conditioner and driving method therefor
EP1304532A1 (en) * 2000-07-26 2003-04-23 Daikin Industries, Limited Air conditioner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2925694B2 (en) * 1990-09-18 1999-07-28 三洋電機株式会社 Air conditioner
JPH04169754A (en) * 1990-10-31 1992-06-17 Toshiba Corp Air conditioner
JPH05164437A (en) * 1991-12-12 1993-06-29 Hitachi Ltd Air conditioner
JP3698025B2 (en) * 2000-07-13 2005-09-21 ダイキン工業株式会社 Air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2194651A (en) * 1986-07-29 1988-03-09 Toshiba Kk Air conditioner control system
EP0668474A2 (en) * 1994-02-18 1995-08-23 Sanyo Electric Co. Ltd Multiroom air conditioner and driving method therefor
EP1304532A1 (en) * 2000-07-26 2003-04-23 Daikin Industries, Limited Air conditioner

Also Published As

Publication number Publication date
JP2009019829A (en) 2009-01-29
JP4500331B2 (en) 2010-07-14
CN101344289A (en) 2009-01-14
EP2015005A2 (en) 2009-01-14
ES2673505T3 (en) 2018-06-22
EP2015005B1 (en) 2018-03-14
CN101344289B (en) 2012-04-25

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