IL126536A - Defrost control for heat pump - Google Patents

Defrost control for heat pump

Info

Publication number
IL126536A
IL126536A IL12653698A IL12653698A IL126536A IL 126536 A IL126536 A IL 126536A IL 12653698 A IL12653698 A IL 12653698A IL 12653698 A IL12653698 A IL 12653698A IL 126536 A IL126536 A IL 126536A
Authority
IL
Israel
Prior art keywords
temperature
difference
heat pump
coil
noted
Prior art date
Application number
IL12653698A
Other languages
English (en)
Other versions
IL126536A0 (en
Original Assignee
Carrier 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 Carrier Corp filed Critical Carrier Corp
Publication of IL126536A0 publication Critical patent/IL126536A0/xx
Publication of IL126536A publication Critical patent/IL126536A/en

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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/002—Defroster control
    • F25D21/006—Defroster control with electronic control circuits
    • 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
    • F25B30/00—Heat pumps
    • F25B30/02—Heat pumps of the compression type
    • 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
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/26—Disposition of valves, e.g. of on-off valves or flow control valves of fluid flow reversing 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • 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
    • 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
    • F25B2700/2103—Temperatures near a heat exchanger
    • 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
    • F25B2700/2104—Temperatures of an indoor room or compartment

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)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)
  • Defrosting Systems (AREA)
IL12653698A 1997-02-14 1998-01-20 Defrost control for heat pump IL126536A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/800,480 US5727395A (en) 1997-02-14 1997-02-14 Defrost control for heat pump
PCT/US1998/001211 WO1998036228A1 (en) 1997-02-14 1998-01-20 Defrost control for heat pump

Publications (2)

Publication Number Publication Date
IL126536A0 IL126536A0 (en) 1999-08-17
IL126536A true IL126536A (en) 2001-04-30

Family

ID=25178507

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12653698A IL126536A (en) 1997-02-14 1998-01-20 Defrost control for heat pump

Country Status (13)

Country Link
US (1) US5727395A (de)
EP (1) EP0894227B1 (de)
JP (1) JP4067131B2 (de)
KR (1) KR100483873B1 (de)
CN (1) CN1165725C (de)
AU (1) AU724877B2 (de)
BR (1) BR9805984A (de)
DE (1) DE69817277T2 (de)
ES (1) ES2201436T3 (de)
IL (1) IL126536A (de)
MY (1) MY123874A (de)
PT (1) PT894227E (de)
WO (1) WO1998036228A1 (de)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
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US6334321B1 (en) * 2000-03-15 2002-01-01 Carrier Corporation Method and system for defrost control on reversible heat pumps
US6318095B1 (en) 2000-10-06 2001-11-20 Carrier Corporation Method and system for demand defrost control on reversible heat pumps
US6604577B2 (en) * 2000-12-05 2003-08-12 Eric P. Mulder Geothermal heat pump cleaning control system and method
GB2371355B (en) * 2001-01-18 2005-05-25 Jtl Systems Ltd Defrost control method and apparatus
US6601396B2 (en) * 2001-12-03 2003-08-05 Kendro Laboratory Products, Lp Freezer defrost method and apparatus
GB2405360B (en) * 2003-08-27 2007-02-07 Ebac Ltd Dehumidifiers
CN1991255B (zh) * 2005-12-27 2010-05-12 松下电器产业株式会社 空调器及其控制方法
CN101479152B (zh) * 2006-05-09 2012-07-04 开利公司 具有自动线路检测的气温控制系统
US20090032236A1 (en) 2007-08-03 2009-02-05 Honeywell International Inc. Fan coil thermostat with automatic fan reset
US9182141B2 (en) 2007-08-03 2015-11-10 Honeywell International Inc. Fan coil thermostat with activity sensing
US9074784B2 (en) 2007-08-03 2015-07-07 Honeywell International Inc. Fan coil thermostat with fan ramping
US8657207B2 (en) * 2008-08-26 2014-02-25 Lg Electronics Inc. Hot water circulation system associated with heat pump and method for controlling the same
WO2011064840A1 (ja) * 2009-11-25 2011-06-03 三菱電機株式会社 補助ヒータ制御装置及び加熱流体利用システム及び補助ヒータ制御方法
CN102109259B (zh) * 2009-12-23 2013-01-02 同方人工环境有限公司 一种空气源热泵机组双并联翅片式换热器的除霜方法
US9239183B2 (en) 2012-05-03 2016-01-19 Carrier Corporation Method for reducing transient defrost noise on an outdoor split system heat pump
JP2014034371A (ja) * 2012-08-10 2014-02-24 Honda Motor Co Ltd 車両用空調装置
US9182166B2 (en) * 2013-01-21 2015-11-10 Ford Global Technologies, Llc Vehicle evaporator core icing prevention
US20140352913A1 (en) * 2013-05-31 2014-12-04 Hamilton Sundstrand Corporation Aircraft refrigeration unit evaporator heater
CN105180294B (zh) * 2014-06-06 2018-07-13 广东美的集团芜湖制冷设备有限公司 移动空调器及其化霜控制方法
CN105588254A (zh) * 2014-10-24 2016-05-18 青岛海尔空调器有限总公司 一种防止空调假除霜的控制方法和系统
CN105987484B (zh) * 2015-02-28 2019-01-11 青岛海尔空调器有限总公司 空调制热频繁防高温保护时的除霜控制方法及系统
CN106152381A (zh) * 2015-03-31 2016-11-23 Tcl空调器(中山)有限公司 空调器及空调器的除霜控制方法
CN106679325A (zh) * 2017-01-09 2017-05-17 海信（山东）冰箱有限公司 一种冰箱蒸发器结冰保护方法、装置及冰箱
US10914503B2 (en) * 2018-02-01 2021-02-09 Johnson Controls Technology Company Coil heating systems for heat pump systems
CN108800416A (zh) * 2018-05-24 2018-11-13 青岛海尔空调器有限总公司 空调器除霜控制方法
CN110631191A (zh) * 2018-06-25 2019-12-31 青岛海尔空调器有限总公司 一种空调的除霜控制方法及装置
CN110631206A (zh) * 2018-06-25 2019-12-31 青岛海尔空调器有限总公司 一种空调的除霜控制方法及装置
CN110631203B (zh) * 2018-06-25 2021-12-21 重庆海尔空调器有限公司 一种空调的除霜控制方法及装置
CN110631187A (zh) * 2018-06-25 2019-12-31 青岛海尔空调器有限总公司 一种空调的除霜控制方法及装置
CN109506335A (zh) * 2018-11-19 2019-03-22 珠海格力电器股份有限公司 空调电辅热装置的控制方法、系统、存储介质及空调
US10830472B2 (en) 2018-12-20 2020-11-10 Johnson Controls Technology Company Systems and methods for dynamic coil calibration
CN109915999B (zh) * 2019-03-13 2020-11-06 珠海格力电器股份有限公司 基于结霜图普的空调抑霜方法及装置
CN110131935B (zh) * 2019-04-08 2021-02-02 广东纽恩泰新能源科技发展有限公司 一种热泵系统除霜控制方法
CN111059698A (zh) * 2019-12-09 2020-04-24 珠海格力电器股份有限公司 一种空调电加热化霜控制方法、计算机可读存储介质及空调
CN113339976A (zh) * 2021-06-17 2021-09-03 中洁环境科技(西安)集团有限公司 全品质空调的电加热开关的控制方法、装置和全品质空调
CN114719398A (zh) * 2022-04-01 2022-07-08 北京小米移动软件有限公司 除霜装置、制热设备、自动除霜控制方法及存储介质
KR102484952B1 (ko) * 2022-04-27 2023-01-06 성진산업 주식회사 냉동기용 제상 시스템의 제어 방법

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Publication number Priority date Publication date Assignee Title
US3777505A (en) * 1971-07-21 1973-12-11 Mitsubishi Heavy Ind Ltd Defrosting method and apparatus
US4328680A (en) * 1980-10-14 1982-05-11 General Electric Company Heat pump defrost control apparatus
US4373349A (en) * 1981-06-30 1983-02-15 Honeywell Inc. Heat pump system adaptive defrost control system
JPS5816142A (ja) * 1981-07-21 1983-01-29 Mitsubishi Electric Corp 除霜制御装置
JPS58120035A (ja) * 1982-01-08 1983-07-16 Mitsubishi Heavy Ind Ltd 空気調和機の除霜方法
JPS58175747A (ja) * 1982-04-06 1983-10-15 Mitsubishi Electric Corp ヒ−トポンプ式空気調和機の除霜制御装置
JPS5993138A (ja) * 1982-11-18 1984-05-29 Mitsubishi Electric Corp 空気調和装置
JPS6038544A (ja) * 1983-08-12 1985-02-28 Mitsubishi Heavy Ind Ltd ヒ−トポンプの除霜運転切換え方法
JPS6191438A (ja) * 1984-10-11 1986-05-09 Matsushita Electric Ind Co Ltd ヒ−トポンプ式空調機の除霜制御方法
KR900005722B1 (ko) * 1985-11-18 1990-08-06 마쯔시다덴기산교 가부시기가이샤 공기조화기의 제상(除霜)제어장치
US4882908A (en) * 1987-07-17 1989-11-28 Ranco Incorporated Demand defrost control method and apparatus
US5179841A (en) * 1991-03-22 1993-01-19 Carrier Corporation Heat reclamation from and adjustment of defrost cycle
US5515689A (en) * 1994-03-30 1996-05-14 Gas Research Institute Defrosting heat pumps
JP3611257B2 (ja) * 1995-03-27 2005-01-19 三菱重工業株式会社 ヒートポンプ式空気調和機
KR0157021B1 (ko) * 1996-01-29 1999-01-15 구자홍 공기조화기 제상방법

Also Published As

Publication number Publication date
JP4067131B2 (ja) 2008-03-26
KR20000064919A (ko) 2000-11-06
CN1165725C (zh) 2004-09-08
MY123874A (en) 2006-06-30
EP0894227A1 (de) 1999-02-03
US5727395A (en) 1998-03-17
AU724877B2 (en) 2000-10-05
AU5927898A (en) 1998-09-08
EP0894227B1 (de) 2003-08-20
DE69817277D1 (de) 2003-09-25
BR9805984A (pt) 1999-08-31
WO1998036228A1 (en) 1998-08-20
JP2000509808A (ja) 2000-08-02
PT894227E (pt) 2003-12-31
ES2201436T3 (es) 2004-03-16
KR100483873B1 (ko) 2005-06-16
DE69817277T2 (de) 2004-06-09
IL126536A0 (en) 1999-08-17
CN1217781A (zh) 1999-05-26

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Legal Events

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