WO2009069524A1 - 冷凍サイクル装置 - Google Patents

冷凍サイクル装置 Download PDF

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Publication number
WO2009069524A1
WO2009069524A1 PCT/JP2008/071069 JP2008071069W WO2009069524A1 WO 2009069524 A1 WO2009069524 A1 WO 2009069524A1 JP 2008071069 W JP2008071069 W JP 2008071069W WO 2009069524 A1 WO2009069524 A1 WO 2009069524A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature
refrigerant
heat
refrigeration cycle
detection means
Prior art date
Application number
PCT/JP2008/071069
Other languages
English (en)
French (fr)
Inventor
Takashi Okazaki
Fumitake Unezaki
Tomoyoshi Oobayashi
Original Assignee
Mitsubishi Electric Corporation
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 Corporation filed Critical Mitsubishi Electric Corporation
Priority to EP13166593.7A priority Critical patent/EP2647926B1/en
Priority to EP13166595.2A priority patent/EP2647927B1/en
Priority to ES08855672.5T priority patent/ES2650233T3/es
Priority to US12/738,924 priority patent/US20100205987A1/en
Priority to EP08855672.5A priority patent/EP2196745B1/en
Priority to DK08855672.5T priority patent/DK2196745T3/en
Priority to CN2008801141141A priority patent/CN101842645B/zh
Publication of WO2009069524A1 publication Critical patent/WO2009069524A1/ja

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
    • 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
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • F25B2309/061—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide with cycle highest pressure above the supercritical pressure
    • 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
    • F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
    • F25B2341/06—Details of flow restrictors or expansion valves
    • F25B2341/063—Feed forward 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
    • F25B2600/00—Control issues
    • F25B2600/17—Control issues by controlling the pressure of 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
    • 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
    • F25B2700/1933—Suction 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
    • F25B2700/2102—Temperatures at the outlet of the gas cooler
    • 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
    • F25B2700/21151—Temperatures of a compressor or the drive means therefor at the suction 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
    • F25B2700/2115—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
    • F25B2700/21161—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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/21—Temperatures
    • F25B2700/2117—Temperatures of an evaporator
    • F25B2700/21174—Temperatures of an evaporator of the refrigerant at the inlet of the 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
    • F25B40/00—Subcoolers, desuperheaters or superheaters

Abstract

　圧縮機１、放熱器２、減圧手段３、吸熱器４、放熱器出口側の冷媒と吸熱器出口側の冷媒とを熱交換する内部熱交換器５から構成される冷凍サイクル装置において、圧縮機１の出口から放熱器２の入口の間の冷媒温度を検出する第１温度検出手段３０と、放熱器２の出口から内部熱交換器５の高圧側入口の間の冷媒温度を検出する第２温度検出手段３１とを備え、第１温度検出手段３０の検出温度と第２温度検出手段３１の検出温度との温度差（ΔＴ）が目標値となるように、減圧手段３の開度を制御する。
PCT/JP2008/071069 2007-11-30 2008-11-20 冷凍サイクル装置 WO2009069524A1 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
EP13166593.7A EP2647926B1 (en) 2007-11-30 2008-11-20 Refrigeration cycle apparatus
EP13166595.2A EP2647927B1 (en) 2007-11-30 2008-11-20 Refrigeration cycle apparatus
ES08855672.5T ES2650233T3 (es) 2007-11-30 2008-11-20 Dispositivo de ciclo de refrigeración
US12/738,924 US20100205987A1 (en) 2007-11-30 2008-11-20 Refrigeration cycle apparatus
EP08855672.5A EP2196745B1 (en) 2007-11-30 2008-11-20 Refrigeration cycle device
DK08855672.5T DK2196745T3 (en) 2007-11-30 2008-11-20 COOLING CIRCUIT DEVICES
CN2008801141141A CN101842645B (zh) 2007-11-30 2008-11-20 冷冻循环装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007310097A JP4948374B2 (ja) 2007-11-30 2007-11-30 冷凍サイクル装置
JP2007-310097 2007-11-30

Publications (1)

Publication Number Publication Date
WO2009069524A1 true WO2009069524A1 (ja) 2009-06-04

Family

ID=40678426

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2008/071069 WO2009069524A1 (ja) 2007-11-30 2008-11-20 冷凍サイクル装置

Country Status (7)

Country Link
US (1) US20100205987A1 (ja)
EP (5) EP2647925B1 (ja)
JP (1) JP4948374B2 (ja)
CN (2) CN102425872B (ja)
DK (5) DK2647926T3 (ja)
ES (5) ES2823758T3 (ja)
WO (1) WO2009069524A1 (ja)

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CN103958986A (zh) * 2011-11-29 2014-07-30 三菱电机株式会社 冷冻空调装置

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CN103958986A (zh) * 2011-11-29 2014-07-30 三菱电机株式会社 冷冻空调装置
US9746212B2 (en) 2011-11-29 2017-08-29 Mitsubishi Electric Coroporation Refrigerating and air-conditioning apparatus

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Publication number Publication date
EP2647928A2 (en) 2013-10-09
CN101842645B (zh) 2012-11-28
EP2647925A2 (en) 2013-10-09
ES2611980T3 (es) 2017-05-11
EP2647926A2 (en) 2013-10-09
EP2196745B1 (en) 2017-11-08
DK2647925T3 (en) 2017-02-06
DK2647928T3 (en) 2016-12-12
CN102425872A (zh) 2012-04-25
EP2196745A4 (en) 2013-02-13
CN101842645A (zh) 2010-09-22
EP2647925B1 (en) 2016-12-21
DK2196745T3 (en) 2017-12-11
EP2647927A2 (en) 2013-10-09
ES2650233T3 (es) 2018-01-17
EP2647927B1 (en) 2020-09-16
CN102425872B (zh) 2014-06-25
EP2196745A1 (en) 2010-06-16
ES2605462T3 (es) 2017-03-14
DK2647926T3 (en) 2019-01-07
JP4948374B2 (ja) 2012-06-06
EP2647926B1 (en) 2018-10-24
EP2647926A3 (en) 2015-07-29
EP2647927A3 (en) 2015-07-29
JP2009133547A (ja) 2009-06-18
EP2647928A3 (en) 2015-08-05
ES2700938T3 (es) 2019-02-20
DK2647927T3 (da) 2020-10-19
EP2647925A3 (en) 2015-08-05
ES2823758T3 (es) 2021-05-10
EP2647928B1 (en) 2016-10-26
US20100205987A1 (en) 2010-08-19

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