EP2241843A3 - Refrigeration cycle apparatus - Google Patents

Refrigeration cycle apparatus Download PDF

Info

Publication number
EP2241843A3
EP2241843A3 EP10003781A EP10003781A EP2241843A3 EP 2241843 A3 EP2241843 A3 EP 2241843A3 EP 10003781 A EP10003781 A EP 10003781A EP 10003781 A EP10003781 A EP 10003781A EP 2241843 A3 EP2241843 A3 EP 2241843A3
Authority
EP
European Patent Office
Prior art keywords
indoor
units
gas
pipe
outdoor
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
EP10003781A
Other languages
German (de)
French (fr)
Other versions
EP2241843B1 (en
EP2241843A2 (en
Inventor
Sachio Sekiya
Yasutaka Yoshida
Koji Naito
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 Appliances 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 EP2241843A2 publication Critical patent/EP2241843A2/en
Publication of EP2241843A3 publication Critical patent/EP2241843A3/en
Application granted granted Critical
Publication of EP2241843B1 publication Critical patent/EP2241843B1/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
    • 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
    • F25B2313/023—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
    • F25B2313/025—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor units
    • F25B2313/0253—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple outdoor 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
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves

Landscapes

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

Abstract

The present invention provides a simultaneous cooling and heating type refrigeration cycle apparatus with a simple configuration using outdoor units (20a; 20b) in which a cooling operation and a heating operation can be performed in a switchable manner.
There is provided a refrigeration cycle apparatus including: a first and a second outdoor units (20a; 20b), each including a compressor (1), an outdoor heat exchanger (2), a gas connection port (5), and a liquid connection port (6); a plurality of indoor units (21a; 21b; 21c) in which indoor liquid pipes, indoor heat exchangers (30), and indoor gas pipes (32) are connected in order; and a common liquid pipe through which the liquid connection port of each outdoor unit is communicated with the indoor liquid pipes (10a, 10b, 10c) in the plurality of indoor units (21a; 21b; 21c), wherein each of the indoor gas pipes in the respective indoor units (21a; 21b; 21c) is branched into a first gas pipe (11) and a second gas pipe (12), the first gas pipe (11) is connected to the gas connection port (5) of one of the outdoor units (20a; 20b), the second gas pipe (12) is connected to the gas connection port (5) of the other of the outdoor units (20b; 20a), pipe switching units (3), each switching the respective channels of the first gas pipe (11) and the second gas pipe (12) in each of the indoor units (21a; 21 b; 21c), and each of the indoor heat exchangers (30) is communicated with only one of the outdoor units (20a; 20b) by switching the pipe switching units (3).
EP20100003781 2009-04-09 2010-04-08 Refrigeration cycle apparatus Active EP2241843B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2009094925A JP5377041B2 (en) 2009-04-09 2009-04-09 Refrigeration cycle equipment

Publications (3)

Publication Number Publication Date
EP2241843A2 EP2241843A2 (en) 2010-10-20
EP2241843A3 true EP2241843A3 (en) 2012-02-15
EP2241843B1 EP2241843B1 (en) 2013-06-19

Family

ID=42307749

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20100003781 Active EP2241843B1 (en) 2009-04-09 2010-04-08 Refrigeration cycle apparatus

Country Status (3)

Country Link
EP (1) EP2241843B1 (en)
JP (1) JP5377041B2 (en)
ES (1) ES2425597T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101712213B1 (en) * 2011-04-22 2017-03-03 엘지전자 주식회사 Multi type air conditiner and method of controlling the same
KR20150012498A (en) 2013-07-25 2015-02-04 삼성전자주식회사 Heat pump and flow path switching apparatus
CN106868566B (en) * 2017-03-23 2019-01-15 唐志伟 Double-effective dual temp unit colours electrophoresis production line energy supplying system for aluminium material oxidation
CN108105912B (en) * 2017-12-11 2019-11-29 广东美的暖通设备有限公司 Multi-line system and its anti-refrigerant bias current control method, control device
CN109737632B (en) * 2018-12-19 2021-01-26 宁波工程学院 Efficient energy-saving kitchen and bathroom integrated air conditioning unit and control method thereof
CN110260707B (en) * 2019-06-10 2021-01-15 浙江吉利控股集团有限公司 Adjustable heat exchange system

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008059922A1 (en) * 2006-11-16 2008-05-22 Hitachi Appliances, Inc. Multi-type air conditioner
WO2008069066A1 (en) * 2006-12-04 2008-06-12 Daikin Industries, Ltd. Refrigeration device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3289366B2 (en) * 1993-03-08 2002-06-04 ダイキン工業株式会社 Refrigeration equipment
JP4287677B2 (en) * 2003-03-11 2009-07-01 日立アプライアンス株式会社 Refrigeration cycle equipment
JP4909093B2 (en) * 2007-01-11 2012-04-04 日立アプライアンス株式会社 Multi-type air conditioner

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2008059922A1 (en) * 2006-11-16 2008-05-22 Hitachi Appliances, Inc. Multi-type air conditioner
WO2008069066A1 (en) * 2006-12-04 2008-06-12 Daikin Industries, Ltd. Refrigeration device
EP2090849A1 (en) * 2006-12-04 2009-08-19 Daikin Industries, Ltd. Refrigeration device

Also Published As

Publication number Publication date
ES2425597T3 (en) 2013-10-16
EP2241843B1 (en) 2013-06-19
JP5377041B2 (en) 2013-12-25
JP2010243123A (en) 2010-10-28
EP2241843A2 (en) 2010-10-20

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