JP2008232508A - 給湯器 - Google Patents

給湯器 Download PDF

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Publication number
JP2008232508A
JP2008232508A JP2007070995A JP2007070995A JP2008232508A JP 2008232508 A JP2008232508 A JP 2008232508A JP 2007070995 A JP2007070995 A JP 2007070995A JP 2007070995 A JP2007070995 A JP 2007070995A JP 2008232508 A JP2008232508 A JP 2008232508A
Authority
JP
Japan
Prior art keywords
refrigerant
temperature
pressure
compressor
heat exchanger
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.)
Pending
Application number
JP2007070995A
Other languages
English (en)
Japanese (ja)
Other versions
JP2008232508A5 (enExample
Inventor
Kazuki Okada
和樹 岡田
Yoshikazu Ono
佳和 小野
Hirokuni Shiba
広有 柴
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
Priority to JP2007070995A priority Critical patent/JP2008232508A/ja
Priority to EP07254438.0A priority patent/EP1972871B1/en
Publication of JP2008232508A publication Critical patent/JP2008232508A/ja
Publication of JP2008232508A5 publication Critical patent/JP2008232508A5/ja
Pending legal-status Critical Current

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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
    • 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
    • F25B49/027—Condenser control arrangements
    • 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
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
    • F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/227—Temperature of the refrigerant in heat pump cycles
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/242—Pressure
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/375—Control of heat pumps
    • F24H15/38—Control of compressors of heat pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/375—Control of heat pumps
    • F24H15/385—Control of expansion valves of heat pumps
    • 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
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
    • 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
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/047—Water-cooled condensers
    • 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
    • F25B2500/00—Problems to be solved
    • F25B2500/19—Calculation of parameters
    • 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
    • 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
    • F25B2600/19—Refrigerant outlet condenser temperature
    • 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
    • F25B2600/21—Refrigerant outlet evaporator temperature
    • 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
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion 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
    • 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
    • F25B2700/21—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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21163—Temperatures of a condenser of the refrigerant at the outlet of the condenser

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
JP2007070995A 2007-03-19 2007-03-19 給湯器 Pending JP2008232508A (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2007070995A JP2008232508A (ja) 2007-03-19 2007-03-19 給湯器
EP07254438.0A EP1972871B1 (en) 2007-03-19 2007-11-13 Hot water system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2007070995A JP2008232508A (ja) 2007-03-19 2007-03-19 給湯器

Publications (2)

Publication Number Publication Date
JP2008232508A true JP2008232508A (ja) 2008-10-02
JP2008232508A5 JP2008232508A5 (enExample) 2009-07-16

Family

ID=39591412

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2007070995A Pending JP2008232508A (ja) 2007-03-19 2007-03-19 給湯器

Country Status (2)

Country Link
EP (1) EP1972871B1 (enExample)
JP (1) JP2008232508A (enExample)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010196951A (ja) * 2009-02-24 2010-09-09 Daikin Ind Ltd ヒートポンプシステム
WO2011070962A1 (ja) * 2009-12-09 2011-06-16 シャープ株式会社 空気調和機、膨張弁の開度制御方法および膨張弁の開度制御プログラムを記録したコンピュータ読み取り可能な記録媒体
JP2014098551A (ja) * 2014-02-28 2014-05-29 Daikin Ind Ltd ヒートポンプシステム
JP2015218959A (ja) * 2014-05-19 2015-12-07 リンナイ株式会社 ヒートポンプ加熱装置
KR20150141005A (ko) * 2014-06-09 2015-12-17 엘지전자 주식회사 냉매 시스템
WO2016046882A1 (ja) * 2014-09-22 2016-03-31 三菱電機株式会社 冷凍サイクル装置
WO2016185689A1 (ja) * 2015-05-20 2016-11-24 パナソニックＩｐマネジメント株式会社 空調給湯システム
CN111578483A (zh) * 2020-04-21 2020-08-25 青岛海尔空调器有限总公司 用于空调面板防凝露的方法及装置、空调
WO2023177092A1 (ko) * 2022-03-15 2023-09-21 삼성전자주식회사 히트 펌프 시스템 및 그 제어 방법

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3379178B1 (en) * 2009-07-31 2023-12-13 Johnson Controls Tyco IP Holdings LLP Refrigerant control method
JP2011069570A (ja) * 2009-09-28 2011-04-07 Fujitsu General Ltd ヒートポンプサイクル装置
JP5228023B2 (ja) * 2010-10-29 2013-07-03 三菱電機株式会社 冷凍サイクル装置
JP5511983B2 (ja) 2010-12-15 2014-06-04 三菱電機株式会社 空調給湯複合システム
GB201102473D0 (en) 2011-02-11 2011-03-30 Esg Pool Ventilation Ltd Heating and cooling system and related methods
KR20120114576A (ko) * 2011-04-07 2012-10-17 엘지전자 주식회사 공기 조화기
EP2813784B1 (en) * 2011-12-22 2019-08-07 Mitsubishi Electric Corporation Air conditioner
JP2013185803A (ja) * 2012-03-12 2013-09-19 Panasonic Corp ヒートポンプ式温水暖房装置
CN103808012B (zh) * 2012-11-13 2016-06-08 珠海格力电器股份有限公司 变频热水器及其控制方法
WO2016084186A1 (ja) * 2014-11-27 2016-06-02 三菱電機株式会社 空調給湯複合システム
CN106766365A (zh) * 2016-11-28 2017-05-31 广东美的暖通设备有限公司 变频风冷热泵冷热水系统及其控制方法和空调
WO2018176283A1 (zh) * 2017-03-29 2018-10-04 广东美的制冷设备有限公司 空调器
CN107051963B (zh) * 2017-06-06 2022-08-12 扬州金威环保科技有限公司 一种基于分级循环加热原理的清洗液温控系统
CN107606834B (zh) * 2017-09-12 2020-09-04 广东美的暖通设备有限公司 多联机系统的控制方法及多联机系统

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5811660A (ja) * 1981-07-03 1983-01-22 フイルマ・アルコア・ドイチユラント・ゲ−エムベ−ハ− 容器のキヤツプ蓋構造
JPH11125464A (ja) * 1997-10-22 1999-05-11 Matsushita Electric Ind Co Ltd ヒートポンプ給湯装置
JPH11270919A (ja) * 1998-03-25 1999-10-05 Mitsubishi Electric Corp 冷凍サイクル装置
JP2000104940A (ja) * 1998-09-28 2000-04-11 Kyushu Electric Power Co Inc ヒートポンプ式給湯システム
JP2000111213A (ja) * 1998-10-06 2000-04-18 Daikin Ind Ltd 冷凍装置
JP2001263831A (ja) * 2000-03-24 2001-09-26 Mitsubishi Electric Corp 冷凍サイクル装置
JP2001296053A (ja) * 2000-04-12 2001-10-26 Osaka Gas Co Ltd 貯湯式の給湯熱源装置
JP2001304703A (ja) * 2000-04-18 2001-10-31 Matsushita Electric Ind Co Ltd 冷凍サイクル装置
JP2002089958A (ja) * 2000-09-20 2002-03-27 Toshiba Kyaria Kk ヒートポンプ式給湯器
JP2005016754A (ja) * 2003-06-24 2005-01-20 Hitachi Home & Life Solutions Inc 冷凍サイクル装置
JP2005140394A (ja) * 2003-11-06 2005-06-02 Matsushita Electric Ind Co Ltd ヒートポンプ給湯装置

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Publication number Priority date Publication date Assignee Title
JP3655681B2 (ja) * 1995-06-23 2005-06-02 三菱電機株式会社 冷媒循環システム
JP2002327949A (ja) 2001-04-27 2002-11-15 Daikin Ind Ltd 空気調和装置
GB2414289A (en) * 2004-05-19 2005-11-23 Asker Barum Kuldeteknikk A S A heat pump installation
US7302811B2 (en) * 2004-11-23 2007-12-04 Parker Hannifin Corporation Fluid expansion-distribution assembly

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Publication number Priority date Publication date Assignee Title
JPS5811660A (ja) * 1981-07-03 1983-01-22 フイルマ・アルコア・ドイチユラント・ゲ−エムベ−ハ− 容器のキヤツプ蓋構造
JPH11125464A (ja) * 1997-10-22 1999-05-11 Matsushita Electric Ind Co Ltd ヒートポンプ給湯装置
JPH11270919A (ja) * 1998-03-25 1999-10-05 Mitsubishi Electric Corp 冷凍サイクル装置
JP2000104940A (ja) * 1998-09-28 2000-04-11 Kyushu Electric Power Co Inc ヒートポンプ式給湯システム
JP2000111213A (ja) * 1998-10-06 2000-04-18 Daikin Ind Ltd 冷凍装置
JP2001263831A (ja) * 2000-03-24 2001-09-26 Mitsubishi Electric Corp 冷凍サイクル装置
JP2001296053A (ja) * 2000-04-12 2001-10-26 Osaka Gas Co Ltd 貯湯式の給湯熱源装置
JP2001304703A (ja) * 2000-04-18 2001-10-31 Matsushita Electric Ind Co Ltd 冷凍サイクル装置
JP2002089958A (ja) * 2000-09-20 2002-03-27 Toshiba Kyaria Kk ヒートポンプ式給湯器
JP2005016754A (ja) * 2003-06-24 2005-01-20 Hitachi Home & Life Solutions Inc 冷凍サイクル装置
JP2005140394A (ja) * 2003-11-06 2005-06-02 Matsushita Electric Ind Co Ltd ヒートポンプ給湯装置

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8984901B2 (en) 2009-02-24 2015-03-24 Daikin Industries, Ltd. Heat pump system
JP2010196951A (ja) * 2009-02-24 2010-09-09 Daikin Ind Ltd ヒートポンプシステム
CN102652245B (zh) * 2009-12-09 2015-03-25 夏普株式会社 空气调节机、膨胀阀的开度控制方法以及存储有膨胀阀的开度控制程序的计算机可读取的存储介质
CN102652245A (zh) * 2009-12-09 2012-08-29 夏普株式会社 空气调节机、膨胀阀的开度控制方法以及存储有膨胀阀的开度控制程序的计算机可读取的存储介质
JP2011122756A (ja) * 2009-12-09 2011-06-23 Sharp Corp 空気調和機、膨張弁の開度制御方法およびプログラム
WO2011070962A1 (ja) * 2009-12-09 2011-06-16 シャープ株式会社 空気調和機、膨張弁の開度制御方法および膨張弁の開度制御プログラムを記録したコンピュータ読み取り可能な記録媒体
JP2014098551A (ja) * 2014-02-28 2014-05-29 Daikin Ind Ltd ヒートポンプシステム
JP2015218959A (ja) * 2014-05-19 2015-12-07 リンナイ株式会社 ヒートポンプ加熱装置
KR20150141005A (ko) * 2014-06-09 2015-12-17 엘지전자 주식회사 냉매 시스템
KR102181204B1 (ko) * 2014-06-09 2020-11-20 엘지전자 주식회사 냉매 시스템
WO2016046882A1 (ja) * 2014-09-22 2016-03-31 三菱電機株式会社 冷凍サイクル装置
JP5921777B1 (ja) * 2014-09-22 2016-05-24 三菱電機株式会社 冷凍サイクル装置
WO2016185689A1 (ja) * 2015-05-20 2016-11-24 パナソニックＩｐマネジメント株式会社 空調給湯システム
CN111578483A (zh) * 2020-04-21 2020-08-25 青岛海尔空调器有限总公司 用于空调面板防凝露的方法及装置、空调
WO2023177092A1 (ko) * 2022-03-15 2023-09-21 삼성전자주식회사 히트 펌프 시스템 및 그 제어 방법

Also Published As

Publication number Publication date
EP1972871A2 (en) 2008-09-24
EP1972871A3 (en) 2015-09-02
EP1972871B1 (en) 2016-09-28

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