EP2423609A3 - Heat exchanger and air conditioner on which this heat exchanger is mounted - Google Patents

Heat exchanger and air conditioner on which this heat exchanger is mounted Download PDF

Info

Publication number
EP2423609A3
EP2423609A3 EP11177616.7A EP11177616A EP2423609A3 EP 2423609 A3 EP2423609 A3 EP 2423609A3 EP 11177616 A EP11177616 A EP 11177616A EP 2423609 A3 EP2423609 A3 EP 2423609A3
Authority
EP
European Patent Office
Prior art keywords
pipeline
heat exchanger
aluminum
connection
copper
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
EP11177616.7A
Other languages
German (de)
French (fr)
Other versions
EP2423609B1 (en
EP2423609A2 (en
Inventor
Mitsuhiro Ishikawa
Mitsusada Hayakawa
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2423609A2 publication Critical patent/EP2423609A2/en
Publication of EP2423609A3 publication Critical patent/EP2423609A3/en
Application granted granted Critical
Publication of EP2423609B1 publication Critical patent/EP2423609B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
    • F24F1/26—Refrigerant piping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D15/00—Other domestic- or space-heating systems
    • F24D15/04—Other domestic- or space-heating systems using heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0043—Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0057—Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in or on a wall
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0063—Indoor units, e.g. fan coil units characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0059—Indoor units, e.g. fan coil units characterised by heat exchangers
    • F24F1/0067—Indoor units, e.g. fan coil units characterised by heat exchangers by the shape of the heat exchangers or of parts thereof, e.g. of their fins
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007—Indoor units, e.g. fan coil units
    • F24F1/0068—Indoor units, e.g. fan coil units characterised by the arrangement of refrigerant piping outside the heat exchanger within the unit casing
    • 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
    • F25B41/40—Fluid line arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
    • F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
    • F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
    • F28D1/0478—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag the conduits having a non-circular cross-section
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/084—Heat exchange elements made from metals or metal alloys from aluminium or aluminium alloys
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/08—Constructions of heat-exchange apparatus characterised by the selection of particular materials of metal
    • F28F21/081—Heat exchange elements made from metals or metal alloys
    • F28F21/085—Heat exchange elements made from metals or metal alloys from copper or copper alloys

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 Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

A heat exchanger in which a breakage of a connection pipeline during installation or the like can be prevented is obtained.
A heat exchanger (10) is provided with a heat transfer pipe which is formed of aluminum or aluminum alloy and a connection pipeline (20) through which a refrigerant flowing in from the heat transfer pipe or a refrigerant flowing into the heat transfer pipe passes and is disposed in an air conditioner, and the connection pipeline (20) has a gas pipeline (30) and a liquid pipeline (40). Also, each of the gas pipeline (30) and the liquid pipeline (40) is constituted by connecting an aluminum pipeline (31) or (41) formed of aluminum or aluminum alloy and a copper pipeline (32) or (42) formed of copper or copper alloy by a connection portion (37) or (47), respectively, and each of descending portions (33) and (43) is formed. Each of the connection portions (37) and (47) is arranged in straight portions (35) and (45) of the descending portions (33) and (43), respectively, and in the straight portions (35) and (45), the aluminum pipelines (31) and (41) are longer than the copper pipelines (32) and (42).
EP11177616.7A 2010-08-23 2011-08-16 Heat exchanger and air conditioner on which this heat exchanger is mounted Active EP2423609B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2010185948A JP5388969B2 (en) 2010-08-23 2010-08-23 Heat exchanger and air conditioner equipped with this heat exchanger

Publications (3)

Publication Number Publication Date
EP2423609A2 EP2423609A2 (en) 2012-02-29
EP2423609A3 true EP2423609A3 (en) 2016-11-09
EP2423609B1 EP2423609B1 (en) 2020-04-15

Family

ID=44658635

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11177616.7A Active EP2423609B1 (en) 2010-08-23 2011-08-16 Heat exchanger and air conditioner on which this heat exchanger is mounted

Country Status (3)

Country Link
EP (1) EP2423609B1 (en)
JP (1) JP5388969B2 (en)
CN (1) CN102374592B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6079619B2 (en) * 2013-12-27 2017-02-15 ダイキン工業株式会社 Air conditioning indoor unit
JP5861723B2 (en) * 2014-01-30 2016-02-16 ダイキン工業株式会社 Air conditioner indoor unit
JP6107724B2 (en) * 2014-03-26 2017-04-05 株式会社富士通ゼネラル Piping connection structure
CN105539803A (en) * 2015-12-14 2016-05-04 浙江海洋学院 Frostless air conditioner refrigeration device for ship by virtue of afterheat reproduction
CN107028432B (en) * 2016-02-03 2021-06-15 开利公司 Refrigeration showcase system
JP2017172885A (en) * 2016-03-24 2017-09-28 株式会社富士通ゼネラル Auxiliary connection pipe and air conditioner
JP2019007642A (en) * 2017-06-21 2019-01-17 日立ジョンソンコントロールズ空調株式会社 Refrigeration device
US11493244B2 (en) 2017-12-18 2022-11-08 Daikin Industries, Ltd. Air-conditioning unit
US11435118B2 (en) 2017-12-18 2022-09-06 Daikin Industries, Ltd. Heat source unit and refrigeration cycle apparatus
US11365335B2 (en) 2017-12-18 2022-06-21 Daikin Industries, Ltd. Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine
US11506425B2 (en) 2017-12-18 2022-11-22 Daikin Industries, Ltd. Refrigeration cycle apparatus
WO2019123897A1 (en) * 2017-12-18 2019-06-27 ダイキン工業株式会社 Refrigeration cycle device
US11549695B2 (en) 2017-12-18 2023-01-10 Daikin Industries, Ltd. Heat exchange unit
US11906207B2 (en) 2017-12-18 2024-02-20 Daikin Industries, Ltd. Refrigeration apparatus
US11441819B2 (en) 2017-12-18 2022-09-13 Daikin Industries, Ltd. Refrigeration cycle apparatus
EP3730574B1 (en) 2017-12-18 2023-08-30 Daikin Industries, Ltd. Composition comprising refrigerant, use thereof, refrigerating machine having same, and method for operating said refrigerating machine
US11820933B2 (en) 2017-12-18 2023-11-21 Daikin Industries, Ltd. Refrigeration cycle apparatus
US11441802B2 (en) 2017-12-18 2022-09-13 Daikin Industries, Ltd. Air conditioning apparatus
CN111479910A (en) 2017-12-18 2020-07-31 大金工业株式会社 Refrigerating machine oil for refrigerant or refrigerant composition, method for using refrigerating machine oil, and use as refrigerating machine oil
US11549041B2 (en) 2017-12-18 2023-01-10 Daikin Industries, Ltd. Composition containing refrigerant, use of said composition, refrigerator having said composition, and method for operating said refrigerator
CN110274304A (en) * 2018-03-15 2019-09-24 珠海格力电器股份有限公司 Indoor unit and air conditioner with same
CN110260410A (en) * 2019-07-15 2019-09-20 珠海格力电器股份有限公司 Indoor unit and air conditioner
JP6865809B2 (en) * 2019-12-24 2021-04-28 三菱電機株式会社 Air conditioner
JP7133076B1 (en) * 2021-09-30 2022-09-07 ダイキン工業株式会社 Heat exchange units and air conditioners
JP7545059B2 (en) * 2021-09-30 2024-09-04 ダイキン工業株式会社 Air conditioning indoor unit
JP7526903B1 (en) 2024-03-14 2024-08-01 日立ジョンソンコントロールズ空調株式会社 Air conditioners

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186474A (en) * 1976-06-07 1980-02-05 Westinghouse Electric Corp. Method of making heat exchanger coil
JPH05164349A (en) * 1991-12-13 1993-06-29 Mitsubishi Electric Corp Air conditioner
JPH06300303A (en) * 1993-04-15 1994-10-28 Sanyo Electric Co Ltd Air conditioner
JPH10122586A (en) * 1996-10-18 1998-05-15 Fujitsu General Ltd Air conditioner
KR20030043574A (en) * 2002-03-28 2003-06-02 정근호 Refrigerant pipe connecting structure of a refrigerator and connecting method thereof
JP2005055081A (en) * 2003-08-05 2005-03-03 Matsushita Electric Ind Co Ltd Heat exchanger and vending machine provided with the heat exchanger
JP2005090761A (en) * 2003-09-12 2005-04-07 Matsushita Electric Ind Co Ltd Air conditioner
JP3899173B2 (en) * 1997-12-17 2007-03-28 昭和電工株式会社 Heat exchanger
US20080257533A1 (en) * 2007-04-16 2008-10-23 Luvata Franklin, Inc. Method of Producing a Corrosion Resistant Aluminum Heat Exchanger
KR20080095628A (en) * 2007-04-25 2008-10-29 엘지전자 주식회사 Air conditioner
EP2184549A2 (en) * 2008-11-10 2010-05-12 Mitsubishi Electric Corporation Air conditioner

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JPH072768U (en) * 1993-05-31 1995-01-17 清 藤原 Method of protecting thermoplastic resin from heat transfer tube external pressure
JP3223722B2 (en) * 1994-09-16 2001-10-29 株式会社日立製作所 Air conditioner
JPH0914781A (en) * 1995-06-30 1997-01-17 Mitsubishi Heavy Ind Ltd Cooling-heating split type air conditioner
JPH11118202A (en) * 1997-08-13 1999-04-30 Toshiba Corp Split air conditioner
JP3985555B2 (en) * 2002-03-18 2007-10-03 ダイキン工業株式会社 Connection structure of refrigerant piping of air conditioner
KR100762268B1 (en) * 2006-07-24 2007-10-01 삼성전자주식회사 Water cooling type air conditioner
JP2009092274A (en) * 2007-10-05 2009-04-30 Hitachi Appliances Inc Air conditioner

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4186474A (en) * 1976-06-07 1980-02-05 Westinghouse Electric Corp. Method of making heat exchanger coil
JPH05164349A (en) * 1991-12-13 1993-06-29 Mitsubishi Electric Corp Air conditioner
JPH06300303A (en) * 1993-04-15 1994-10-28 Sanyo Electric Co Ltd Air conditioner
JPH10122586A (en) * 1996-10-18 1998-05-15 Fujitsu General Ltd Air conditioner
JP3899173B2 (en) * 1997-12-17 2007-03-28 昭和電工株式会社 Heat exchanger
KR20030043574A (en) * 2002-03-28 2003-06-02 정근호 Refrigerant pipe connecting structure of a refrigerator and connecting method thereof
JP2005055081A (en) * 2003-08-05 2005-03-03 Matsushita Electric Ind Co Ltd Heat exchanger and vending machine provided with the heat exchanger
JP2005090761A (en) * 2003-09-12 2005-04-07 Matsushita Electric Ind Co Ltd Air conditioner
US20080257533A1 (en) * 2007-04-16 2008-10-23 Luvata Franklin, Inc. Method of Producing a Corrosion Resistant Aluminum Heat Exchanger
KR20080095628A (en) * 2007-04-25 2008-10-29 엘지전자 주식회사 Air conditioner
EP2184549A2 (en) * 2008-11-10 2010-05-12 Mitsubishi Electric Corporation Air conditioner

Also Published As

Publication number Publication date
CN102374592A (en) 2012-03-14
JP2012042169A (en) 2012-03-01
JP5388969B2 (en) 2014-01-15
CN102374592B (en) 2014-05-07
EP2423609B1 (en) 2020-04-15
EP2423609A2 (en) 2012-02-29

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