JP5774225B2 - 空気調和装置 - Google Patents

空気調和装置 Download PDF

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Publication number
JP5774225B2
JP5774225B2 JP2014526610A JP2014526610A JP5774225B2 JP 5774225 B2 JP5774225 B2 JP 5774225B2 JP 2014526610 A JP2014526610 A JP 2014526610A JP 2014526610 A JP2014526610 A JP 2014526610A JP 5774225 B2 JP5774225 B2 JP 5774225B2
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JP
Japan
Prior art keywords
refrigerant
temperature
heat medium
heat
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.)
Expired - Fee Related
Application number
JP2014526610A
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English (en)
Japanese (ja)
Other versions
JPWO2014016865A1 (ja
Inventor
智一 川越
智一 川越
嶋本　大祐
大祐 嶋本
幸志 東
幸志 東
孝好 本多
孝好 本多
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
Application granted granted Critical
Publication of JP5774225B2 publication Critical patent/JP5774225B2/ja
Publication of JPWO2014016865A1 publication Critical patent/JPWO2014016865A1/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • 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
    • F24F11/85—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 variable-flow 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
    • 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
    • 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
    • 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
    • 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
    • F24F2140/30—Condensation of water from cooled air
    • 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
    • F25B2313/003—Indoor unit with water as a heat sink or heat source
    • 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
    • F25B2313/006—Compression machines, plants or systems with reversible cycle not otherwise provided for two pipes connecting the outdoor side to the indoor side with multiple indoor units
    • 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
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0231—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units with simultaneous cooling and heating
    • 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
    • F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
    • F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0312—Pressure sensors near the indoor 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/031—Sensor arrangements
    • F25B2313/0314—Temperature sensors near the indoor 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
    • F25B2600/00—Control issues
    • F25B2600/25—Control of 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
    • F25B2700/21—Temperatures
    • F25B2700/2116—Temperatures of a condenser
    • F25B2700/21161—Temperatures of a condenser of the fluid heated by the condenser
    • 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
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide

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)
  • Other Air-Conditioning Systems (AREA)
  • Air Conditioning Control Device (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
JP2014526610A 2012-07-24 2012-07-24 空気調和装置 Expired - Fee Related JP5774225B2 (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2012/004708 WO2014016865A1 (fr) 2012-07-24 2012-07-24 Dispositif de climatisation

Publications (2)

Publication Number Publication Date
JP5774225B2 true JP5774225B2 (ja) 2015-09-09
JPWO2014016865A1 JPWO2014016865A1 (ja) 2016-07-07

Family

ID=49996704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014526610A Expired - Fee Related JP5774225B2 (ja) 2012-07-24 2012-07-24 空気調和装置

Country Status (5)

Country Link
US (1) US20150128628A1 (fr)
EP (1) EP2878902B1 (fr)
JP (1) JP5774225B2 (fr)
CN (1) CN104364590B (fr)
WO (1) WO2014016865A1 (fr)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013084501A1 (fr) * 2011-12-09 2013-06-13 ダイキン工業株式会社 Dispositif de réfrigération de conteneur
WO2014083652A1 (fr) * 2012-11-29 2014-06-05 三菱電機株式会社 Dispositif de climatisation
WO2014137968A2 (fr) 2013-03-04 2014-09-12 Johnson Controls Technology Company Système modulaire de chauffage et de refroidissement à base de liquide
PL2999932T3 (pl) 2013-05-03 2019-11-29 Hill Phoenix Inc UKŁADY I SPOSOBY REGULACJI CIŚNIENIA W UKŁADZIE CHŁODNICZYM CO<sub>2</sub>
US9883616B2 (en) * 2014-09-29 2018-01-30 International Business Machines Corporation Manifold heat exchanger
EP3076090B1 (fr) * 2015-03-30 2018-01-31 Siemens Schweiz AG Commande de chauffage, ventilation, climatisation
JP6259419B2 (ja) * 2015-06-01 2018-01-10 ファナック株式会社 扉の開放の可否を判定する機能を備えたレーザ装置
CN105115199B (zh) * 2015-07-06 2017-10-31 广东美的暖通设备有限公司 多联机系统的冷媒分流控制方法和装置
ES2983309T3 (es) * 2015-08-03 2024-10-22 Hill Phoenix Inc Sistema de refrigeración por CO2 con intercambio de calor por CO2 directo
CN108139106B (zh) * 2015-10-26 2020-10-30 三菱电机株式会社 空气调节装置
JP6053907B1 (ja) * 2015-12-21 2016-12-27 伸和コントロールズ株式会社 チラー装置
KR101704340B1 (ko) * 2016-03-03 2017-02-07 현대자동차주식회사 에어컨 시스템과 통합된 하이브리드형 인터쿨러 시스템 및 그 제어방법
US10216161B2 (en) * 2016-03-31 2019-02-26 Carrier Corporation Systems and methods for generating operational intelligence for heating ventilation and air conditioning (HVAC) devices
US11125483B2 (en) 2016-06-21 2021-09-21 Hill Phoenix, Inc. Refrigeration system with condenser temperature differential setpoint control
CN106642537A (zh) * 2016-11-22 2017-05-10 珠海格力电器股份有限公司 辐射空调系统的控制方法和装置
KR102382721B1 (ko) * 2017-09-27 2022-04-05 한온시스템 주식회사 자동차의 통합 열관리 시스템
US11796227B2 (en) 2018-05-24 2023-10-24 Hill Phoenix, Inc. Refrigeration system with oil control system
US11397032B2 (en) 2018-06-05 2022-07-26 Hill Phoenix, Inc. CO2 refrigeration system with magnetic refrigeration system cooling
US10663201B2 (en) 2018-10-23 2020-05-26 Hill Phoenix, Inc. CO2 refrigeration system with supercritical subcooling control
CN113383197B (zh) * 2019-02-05 2023-02-28 三菱电机株式会社 空调装置的控制装置、室外机、中继机、热源机以及空调装置
EP3957923A4 (fr) * 2019-04-15 2022-06-08 Daikin Industries, Ltd. Système de climatisation
JP6624623B1 (ja) * 2019-06-26 2019-12-25 伸和コントロールズ株式会社 温度制御装置及び温調装置
DE102019124005A1 (de) * 2019-09-06 2021-03-11 Andreas Hettich Gmbh & Co. Kg Wärmetauscheranordnung zur Befestigung an einer Gerätewand
CN111623564B (zh) * 2020-02-20 2021-08-24 上海朗绿建筑科技股份有限公司 多腔体水力模块
CN114001417A (zh) * 2021-12-06 2022-02-01 南通华信中央空调有限公司 一种温湿分控空调系统及其运行方法
WO2023136002A1 (fr) * 2022-01-12 2023-07-20 株式会社デンソー Dispositif à cycle de réfrigération
US12487017B2 (en) 2023-06-02 2025-12-02 Hill Phoenix, Inc. CO2 refrigeration system with supercritical subcooling control

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2713472B2 (ja) * 1989-09-27 1998-02-16 松下冷機株式会社 多室冷暖房装置
JP2004225948A (ja) * 2003-01-21 2004-08-12 Sanyo Electric Co Ltd 空気調和装置および空気調和装置の制御方法
JP2005016858A (ja) * 2003-06-27 2005-01-20 Mitsubishi Electric Corp ヒートポンプ式空調装置、ヒートポンプ式空調装置の運転方法
EP1739366B1 (fr) * 2004-03-31 2017-07-05 Daikin Industries, Ltd. Systeme de climatisation
JP4842654B2 (ja) * 2006-02-10 2011-12-21 株式会社石本建築事務所 輻射パネル用空調システムの制御方法
JP4325641B2 (ja) * 2006-05-24 2009-09-02 トヨタ自動車株式会社 空燃比センサの制御装置
JP2009299986A (ja) * 2008-06-12 2009-12-24 Daikin Ind Ltd 冷凍装置
EP2312228B1 (fr) * 2008-10-29 2019-01-16 Mitsubishi Electric Corporation Conditionneur d'air
US9657955B2 (en) * 2008-10-29 2017-05-23 Mitsubishi Electric Corporation Air-conditioning apparatus
JP5236008B2 (ja) * 2008-10-29 2013-07-17 三菱電機株式会社 空気調和装置
ES2734149T3 (es) * 2009-10-27 2019-12-04 Mitsubishi Electric Corp Dispositivo acondicionador de aire
JP2011112312A (ja) * 2009-11-30 2011-06-09 Hitachi Ltd 移動体の熱サイクルシステム
US20130055744A1 (en) * 2011-09-07 2013-03-07 Richard H. Travers Auxiliary ambient air refrigeration system for cooling and controlling humidity in an enclosure

Also Published As

Publication number Publication date
JPWO2014016865A1 (ja) 2016-07-07
WO2014016865A1 (fr) 2014-01-30
CN104364590B (zh) 2016-08-17
CN104364590A (zh) 2015-02-18
US20150128628A1 (en) 2015-05-14
EP2878902B1 (fr) 2020-09-09
EP2878902A1 (fr) 2015-06-03
EP2878902A4 (fr) 2016-03-23

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