KR960018414A - 공기 조화기 - Google Patents

공기 조화기 Download PDF

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Publication number
KR960018414A
KR960018414A KR1019950035043A KR19950035043A KR960018414A KR 960018414 A KR960018414 A KR 960018414A KR 1019950035043 A KR1019950035043 A KR 1019950035043A KR 19950035043 A KR19950035043 A KR 19950035043A KR 960018414 A KR960018414 A KR 960018414A
Authority
KR
South Korea
Prior art keywords
temperature
heat exchanger
outdoor heat
refrigerant
air conditioner
Prior art date
Application number
KR1019950035043A
Other languages
English (en)
Other versions
KR0168453B1 (ko
Inventor
나오히또 사까모또
이찌로 가미무라
유끼하루 이노우에
가즈히로 시무라
Original Assignee
다까노 야스아끼
상요 덴기 가부시끼가이샤
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 다까노 야스아끼, 상요 덴기 가부시끼가이샤 filed Critical 다까노 야스아끼
Publication of KR960018414A publication Critical patent/KR960018414A/ko
Application granted granted Critical
Publication of KR0168453B1 publication Critical patent/KR0168453B1/ko

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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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/006—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant containing more than one component
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F24F11/42—Defrosting; Preventing freezing of outdoor units
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using 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
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/41—Defrosting; Preventing freezing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D21/00—Defrosting; Preventing frosting; Removing condensed or defrost water
    • F25D21/04—Preventing the formation of frost or condensate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

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

Abstract

냉매로서 비공비 혼합 냉매를 이용한 경우에, 실외 열교환기의 착상을 확실히 방지할 수 있는 공기 조화기를 제공한다, 고비점 냉매를 저비점 냉매로 이루어지는 동시에 실외 열교환기(4)를 갖는 공기 조화기에 있어서, 실외 열교환기(4)가 난방시에 증발기로서 작용할 때 제2온도 센서S2에 의해 검출된 외기 온도 Tg와 제1온도 센서 S1에 의해 검출된 증발기의 입구 온도 Te의 온도차를 기초로하여 제어부(100)가 팽창 밸브(5)의 개도를 제어한다. 이로써, 실외 열교환기의 착상을 확실하게 방지할 수 있다.

Description

공기 조화기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 공기 조화기의 냉매 회로를 도시하는 도면.

Claims (2)

  1. 고비정 냉매와 저비점 냉매로 이루어지는 비공비 혼합 냉매를 압축기, 실내열교환기, 팽창 밸브, 실외열교환기를 환상으로 접속한 냉매 회로에 순환시켜서 이루어지는 공기 조화기에 있어서, 상기 실외 열교환기가 난방시에 증발기로서 작용할 때 증발기의 입구 온도를 검출하는 제1온도 센서와, 외기 온도를 검출하는 제2온도 센서와, 상기 외기 온도와 상기 증발기의 입구 온도의 온도차를 기초로하여 상기 팽창 밸브의 개도를 제어하는 제어부를 구비한 것을 특징으로 하는 공기 조화기.
  2. 고비점 냉매와 저비점 냉매로 이루어지는 비공비 혼합 냉매를, 압축기, 실내 열교환기, 팽창 밸브, 실외열교환기를 환상으로 접속한 냉매 회로에 순환시켜서 이루어지는 공기 조화기에 있어서, 상기 실외 열교환기가 난방시에 증발기로서 작용할 때 증발기의 입구 온도를 검출하는 제1온도 센서와, 외기 온도를 검출하는 제2온도 센서와, 상기 외기 온도와 상기 증발기의 입구 온도의 온도차가 소정치로 되도록 상기 팽창밸브의 개도를 제어하는 제어부를 구비한 것을 특징으로 하는 공기 조화기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019950035043A 1994-11-29 1995-10-12 공기 조화기 KR0168453B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP6295333A JP3054564B2 (ja) 1994-11-29 1994-11-29 空気調和機
JP94-295333 1994-11-29

Publications (2)

Publication Number Publication Date
KR960018414A true KR960018414A (ko) 1996-06-17
KR0168453B1 KR0168453B1 (ko) 1999-01-15

Family

ID=17819263

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019950035043A KR0168453B1 (ko) 1994-11-29 1995-10-12 공기 조화기

Country Status (7)

Country Link
US (1) US5598717A (ko)
EP (1) EP0715130B1 (ko)
JP (1) JP3054564B2 (ko)
KR (1) KR0168453B1 (ko)
CN (1) CN1142595A (ko)
DE (1) DE69524932T2 (ko)
TW (1) TW297496U (ko)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100195440B1 (ko) * 1996-09-25 1999-06-15 윤종용 개도조절수단을 구비한 냉장고 및 그 제어방법
JP3185722B2 (ja) * 1997-08-20 2001-07-11 三菱電機株式会社 冷凍空調装置および冷凍空調装置の冷媒組成を求める方法
DE19818627C5 (de) * 1998-02-10 2010-09-09 Vötsch Industrietechnik GmbH Verfahren zum Konditionieren von Luft durch Einstellen der Temperatur und Luftfeuchtigkeit in einem Klimatisierungsschrank mittels eines Kältekreislaufs und Kältekreislauf
KR100329472B1 (ko) * 1998-04-20 2002-08-08 삼성전자 주식회사 냉난방겸용멀티에어컨
US6435269B1 (en) * 1999-11-19 2002-08-20 Stephen S. Hancock Heat exchanger with intertwined inner and outer coils
KR100717463B1 (ko) * 2005-08-18 2007-05-14 엘지전자 주식회사 공기 조화기 및 공기 조화기의 제어 방법
US8261561B2 (en) * 2006-12-28 2012-09-11 Carrier Corporation Free-cooling capacity control for air conditioning systems
US9845419B2 (en) * 2009-07-29 2017-12-19 Honeywell International Inc. Low GWP heat transfer compositions containing difluoromethane and 1,3,3,3-tetrafluoropropene
JP6004670B2 (ja) * 2012-02-29 2016-10-12 三菱重工業株式会社 空気調和装置の制御装置及び空気調和装置の制御方法並びに空気調和装置のプログラム、それを備えた空気調和装置
JP6120797B2 (ja) * 2014-04-04 2017-04-26 三菱電機株式会社 空気調和機
CN105987551A (zh) * 2015-02-28 2016-10-05 青岛海尔空调器有限总公司 空调防结霜恶化的电子膨胀阀开度控制方法及系统
CN107752587A (zh) * 2016-08-16 2018-03-06 开利公司 制冷展示柜、制冷系统及恒温控制方法
WO2018078809A1 (ja) * 2016-10-28 2018-05-03 三菱電機株式会社 冷凍サイクル装置
KR20180104519A (ko) * 2017-03-13 2018-09-21 엘지전자 주식회사 공기 조화기
KR20180104509A (ko) * 2017-03-13 2018-09-21 엘지전자 주식회사 공기 조화기
US11137164B2 (en) * 2017-05-15 2021-10-05 Carrier Corporation Control systems and methods for heat pump systems
JP7019070B2 (ja) * 2018-11-14 2022-02-14 三菱電機株式会社 空気調和機
US11391480B2 (en) * 2019-12-04 2022-07-19 Johnson Controls Tyco IP Holdings LLP Systems and methods for freeze protection of a coil in an HVAC system
CN111964300B (zh) * 2020-08-17 2021-11-30 广东美的暖通设备有限公司 空气源热泵设备的控制方法、装置、设备和可读存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS613957A (ja) * 1984-06-18 1986-01-09 三洋電機株式会社 空気調和機
JPH07111288B2 (ja) * 1985-09-20 1995-11-29 株式会社日立製作所 空気調和機
US4879879A (en) * 1988-10-05 1989-11-14 Joseph Marsala Apparatus for controlling a thermostatic expansion valve
US5440895A (en) * 1994-01-24 1995-08-15 Copeland Corporation Heat pump motor optimization and sensor fault detection
US5425246A (en) * 1994-03-03 1995-06-20 General Electric Company Refrigerant flow rate control based on evaporator dryness

Also Published As

Publication number Publication date
DE69524932T2 (de) 2002-09-12
JP3054564B2 (ja) 2000-06-19
KR0168453B1 (ko) 1999-01-15
DE69524932D1 (de) 2002-02-14
JPH08152203A (ja) 1996-06-11
EP0715130A2 (en) 1996-06-05
CN1142595A (zh) 1997-02-12
EP0715130B1 (en) 2002-01-09
TW297496U (en) 1997-02-01
US5598717A (en) 1997-02-04
EP0715130A3 (en) 1997-12-10

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