EP2639516A3 - Heat pump hydronic heater - Google Patents

Heat pump hydronic heater Download PDF

Info

Publication number
EP2639516A3
EP2639516A3 EP13158797.4A EP13158797A EP2639516A3 EP 2639516 A3 EP2639516 A3 EP 2639516A3 EP 13158797 A EP13158797 A EP 13158797A EP 2639516 A3 EP2639516 A3 EP 2639516A3
Authority
EP
European Patent Office
Prior art keywords
discharge
heat pump
detecting means
pressure
detected
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
EP13158797.4A
Other languages
German (de)
French (fr)
Other versions
EP2639516A2 (en
EP2639516B1 (en
Inventor
Hiroshi Arashima
Hideji Nishimura
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.)
Panasonic Corp
Original Assignee
Panasonic 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 Panasonic Corp filed Critical Panasonic Corp
Publication of EP2639516A2 publication Critical patent/EP2639516A2/en
Publication of EP2639516A3 publication Critical patent/EP2639516A3/en
Application granted granted Critical
Publication of EP2639516B1 publication Critical patent/EP2639516B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
    • F24D19/1072—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water the system uses a heat pump
    • 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
    • F24D19/1009—Arrangement or mounting of control or safety devices for water heating systems for central heating
    • F24D19/1039—Arrangement or mounting of control or safety devices for water heating systems for central heating 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
    • F24H15/30—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
    • 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
    • F25B49/005—Arrangement or mounting of control or safety devices of safety devices
    • 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

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)
  • Air Conditioning Control Device (AREA)
  • Steam Or Hot-Water Central Heating Systems (AREA)

Abstract

In a heat pump hydronic heater of the present invention, the control device 11a stops operation of the compressor 1 if the discharge pressure detected by the discharge pressure detecting means 1b is lower than a first set pressure and a discharge superheat degree detected by the discharge superheat degree detecting means is equal to or higher than a predetermined value when predetermined time is elapsed after the compressor 1 is started, or if the discharge pressure detected by the discharge pressure detecting means 1b is lower than a second set pressure which is set lower than the first set pressure. Therefore, it is possible to enhance usability without erroneously detecting leakage of a refrigerant.
EP13158797.4A 2012-03-12 2013-03-12 Heat pump hydronic heater Active EP2639516B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012054150A JP2013185803A (en) 2012-03-12 2012-03-12 Heat pump hydronic heater

Publications (3)

Publication Number Publication Date
EP2639516A2 EP2639516A2 (en) 2013-09-18
EP2639516A3 true EP2639516A3 (en) 2014-03-26
EP2639516B1 EP2639516B1 (en) 2017-06-14

Family

ID=47900736

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13158797.4A Active EP2639516B1 (en) 2012-03-12 2013-03-12 Heat pump hydronic heater

Country Status (4)

Country Link
EP (1) EP2639516B1 (en)
JP (1) JP2013185803A (en)
CN (1) CN103307654B (en)
DK (1) DK2639516T3 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6128331B2 (en) * 2014-02-26 2017-05-17 株式会社富士通ゼネラル Hot water heater
MA40777A (en) * 2014-10-03 2017-08-08 Mario Maistrello HEATING SYSTEM IN WINTER AND AIR CONDITIONING IN SUMMER
CN105402936B (en) * 2015-12-22 2019-02-01 Tcl空调器(中山)有限公司 Air conditioner water heating machine and its coolant leakage detection method and device
CN106839075A (en) * 2017-04-06 2017-06-13 天津商业大学 Miniature air-cooling source pump regenerative apparatus
CN108019808A (en) * 2017-12-04 2018-05-11 珠海格力电器股份有限公司 Heat pump system and control method thereof
JP2023041134A (en) 2021-09-13 2023-03-24 パナソニックＩｐマネジメント株式会社 Heat medium circulation system
JP2024021198A (en) * 2022-08-03 2024-02-16 パナソニックＩｐマネジメント株式会社 Vapor compression type refrigeration cycle device

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457965A (en) * 1994-04-11 1995-10-17 Ford Motor Company Low refrigerant charge detection system
US5586445A (en) * 1994-09-30 1996-12-24 General Electric Company Low refrigerant charge detection using a combined pressure/temperature sensor
US6406265B1 (en) * 2000-04-21 2002-06-18 Scroll Technologies Compressor diagnostic and recording system
EP1467158A2 (en) * 2003-04-09 2004-10-13 Hitachi, Ltd. Refrigeration cycle apparatus
EP1887292A1 (en) * 2005-05-30 2008-02-13 Daikin Industries, Ltd. Humidity controller
EP1972871A2 (en) * 2007-03-19 2008-09-24 Mitsubishi Electric Corporation Hot water system
US7594407B2 (en) * 2005-10-21 2009-09-29 Emerson Climate Technologies, Inc. Monitoring refrigerant in a refrigeration system
WO2009140372A1 (en) * 2008-05-14 2009-11-19 Carrier Corporation Transport refrigeration system and method of operation
EP2312226A2 (en) * 2009-09-30 2011-04-20 Fujitsu General Limited Heat pump apparatus
WO2011099190A1 (en) * 2010-02-15 2011-08-18 三菱重工業株式会社 Air conditioner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2723339B2 (en) * 1989-04-28 1998-03-09 株式会社東芝 Heat pump heating equipment
JP3834577B2 (en) * 2005-03-24 2006-10-18 日立ホーム・アンド・ライフ・ソリューション株式会社 Heat pump heating system
JP2009008308A (en) * 2007-06-27 2009-01-15 Sanden Corp Water heater
JP5387235B2 (en) 2009-08-28 2014-01-15 パナソニック株式会社 Heat pump type hot water heater

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5457965A (en) * 1994-04-11 1995-10-17 Ford Motor Company Low refrigerant charge detection system
US5586445A (en) * 1994-09-30 1996-12-24 General Electric Company Low refrigerant charge detection using a combined pressure/temperature sensor
US6406265B1 (en) * 2000-04-21 2002-06-18 Scroll Technologies Compressor diagnostic and recording system
EP1467158A2 (en) * 2003-04-09 2004-10-13 Hitachi, Ltd. Refrigeration cycle apparatus
EP1887292A1 (en) * 2005-05-30 2008-02-13 Daikin Industries, Ltd. Humidity controller
US7594407B2 (en) * 2005-10-21 2009-09-29 Emerson Climate Technologies, Inc. Monitoring refrigerant in a refrigeration system
EP1972871A2 (en) * 2007-03-19 2008-09-24 Mitsubishi Electric Corporation Hot water system
WO2009140372A1 (en) * 2008-05-14 2009-11-19 Carrier Corporation Transport refrigeration system and method of operation
EP2312226A2 (en) * 2009-09-30 2011-04-20 Fujitsu General Limited Heat pump apparatus
WO2011099190A1 (en) * 2010-02-15 2011-08-18 三菱重工業株式会社 Air conditioner

Also Published As

Publication number Publication date
JP2013185803A (en) 2013-09-19
CN103307654A (en) 2013-09-18
EP2639516A2 (en) 2013-09-18
CN103307654B (en) 2017-05-31
DK2639516T3 (en) 2017-07-24
EP2639516B1 (en) 2017-06-14

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