EP2647925B1 - Appareil de circuit de réfrigération - Google Patents

Appareil de circuit de réfrigération Download PDF

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Publication number
EP2647925B1
EP2647925B1 EP13166592.9A EP13166592A EP2647925B1 EP 2647925 B1 EP2647925 B1 EP 2647925B1 EP 13166592 A EP13166592 A EP 13166592A EP 2647925 B1 EP2647925 B1 EP 2647925B1
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EP
European Patent Office
Prior art keywords
temperature
refrigerant
detection means
heat exchanger
compressor
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.)
Active
Application number
EP13166592.9A
Other languages
German (de)
English (en)
Other versions
EP2647925A3 (fr
EP2647925A2 (fr
Inventor
Takashi Okazaki
Fumitake Unezaki
Tomoyoshi Oobayashi
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
Publication of EP2647925A2 publication Critical patent/EP2647925A2/fr
Publication of EP2647925A3 publication Critical patent/EP2647925A3/fr
Application granted granted Critical
Publication of EP2647925B1 publication Critical patent/EP2647925B1/fr
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Anticipated expiration legal-status Critical

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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
    • F25B9/008—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

Claims (7)

  1. Appareil à cycle de produit frigorigène comprenant :
    au moins un compresseur (1), un radiateur (2), des moyens de décompression (3) susceptibles de pouvoir modifier un degré d'ouverture, un dispositif d'absorption de la chaleur (4), un échangeur de chaleur interne (5) qui exécute un échange de chaleur entre un fluide frigorigène au niveau d'une sortie du radiateur (2) et le fluide frigorigène au niveau d'une sortie du dispositif d'absorption de la chaleur (4), dans lequel:
    sont fournis des premiers moyens de détection de la température (30) destinés à détecter la température du fluide frigorigène entre une sortie du compresseur (1) et une entrée du radiateur (2), des deuxièmes moyens de détection de la température (31) destinés à détecter la température du fluide frigorigène entre la sortie du radiateur (2) et une entrée du côté haute pression de l'échangeur de chaleur interne (5), des troisièmes moyens de détection de la température (41) destinés à détecter la température d'entrée d'un milieu à chauffer, et des quatrièmes moyens de détection de la température (42) destinés à détecter la température de sortie du milieu à chauffer, caractérisé en ce que :
    le degré d'ouverture des moyens de décompression (3) est commandé de telle sorte que la différence (ΔT1 - ΔT2) entre une deuxième différence de température (ΔT1) entre la température de détection par les premiers moyens de détection de la température (30), et la température de détection par les quatrièmes moyens de détection de la température (42), et une troisième différence de température (ΔT2) entre la température de détection par les deuxièmes moyens de détection de la température (31), et la température de détection par les troisièmes moyens de détection de la température (41), devienne une valeur cible.
  2. Appareil à cycle de produit frigorigène selon la revendication 1, dans lequel:
    sont fournis des sixièmes moyens de détection de la température (33) destinés à détecter la température du fluide frigorigène entre une sortie du côté basse pression de l'échangeur de chaleur interne (5) et une entrée du compresseur (1) ;
    le degré de surchauffe d'une partie aspiration du compresseur, est calculé à partir d'une température de saturation du fluide frigorigène au niveau d'un point de détection des sixièmes moyens de détection de la température (33), et d'une température de détection par les sixièmes moyens de détection de la température (33) ; et
    le degré d'ouverture des moyens de décompression (3) est commandé de telle sorte que le degré de surchauffe devienne la valeur cible.
  3. Appareil à cycle de produit frigorigène selon la revendication 2, dans lequel :
    des seconds moyens de détection de la pression (51) sont fournis entre la sortie du côté basse pression de l'échangeur de chaleur interne (5) et l'entrée du compresseur (1); et
    la température de saturation du fluide frigorigène est calculée sur la base d'une valeur de détection des seconds moyens de détection de la pression (51).
  4. Appareil à cycle de produit frigorigène selon la revendication 2, dans lequel :
    des cinquièmes moyens de détection de la température (32) sont fournis entre l'entrée du dispositif d'absorption de la chaleur (4), et l'entrée du côté basse pression de l'échangeur de chaleur interne (5) ; et
    la température de saturation du fluide frigorigène est calculée sur la base de la température de détection des cinquièmes moyens de détection de la température (32).
  5. Appareil à cycle de produit frigorigène selon l'une quelconque des revendications 2 à 4, dans lequel:
    une priorité est accordée sur la différence de la température, de façon à commander le degré de surchauffe.
  6. Appareil à cycle de produit frigorigène selon l'une quelconque des revendications 1 à 5, dans lequel :
    le radiateur (2) est un échangeur de chaleur qui échange de la chaleur avec de l'eau.
  7. Appareil à cycle de produit frigorigène selon l'une quelconque des revendications 1 à 6, dans lequel :
    du dioxyde de carbone est utilisé en tant que fluide frigorigène.
EP13166592.9A 2007-11-30 2008-11-20 Appareil de circuit de réfrigération Active EP2647925B1 (fr)

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
EP08855672.5A EP2196745B1 (fr) 2007-11-30 2008-11-20 Dispositif de cycle de réfrigération

Related Parent Applications (3)

Application Number Title Priority Date Filing Date
EP08855672.5A Division EP2196745B1 (fr) 2007-11-30 2008-11-20 Dispositif de cycle de réfrigération
EP08855672.5A Division-Into EP2196745B1 (fr) 2007-11-30 2008-11-20 Dispositif de cycle de réfrigération
EP08855672.5 Division 2008-11-20

Publications (3)

Publication Number Publication Date
EP2647925A2 EP2647925A2 (fr) 2013-10-09
EP2647925A3 EP2647925A3 (fr) 2015-08-05
EP2647925B1 true EP2647925B1 (fr) 2016-12-21

Family

ID=40678426

Family Applications (5)

Application Number Title Priority Date Filing Date
EP13166595.2A Active EP2647927B1 (fr) 2007-11-30 2008-11-20 Appareil de circuit de réfrigération
EP13166592.9A Active EP2647925B1 (fr) 2007-11-30 2008-11-20 Appareil de circuit de réfrigération
EP13166593.7A Active EP2647926B1 (fr) 2007-11-30 2008-11-20 Appareil de circuit de réfrigération
EP13166596.0A Active EP2647928B1 (fr) 2007-11-30 2008-11-20 Appareil de circuit de réfrigération
EP08855672.5A Active EP2196745B1 (fr) 2007-11-30 2008-11-20 Dispositif de cycle de réfrigération

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13166595.2A Active EP2647927B1 (fr) 2007-11-30 2008-11-20 Appareil de circuit de réfrigération

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP13166593.7A Active EP2647926B1 (fr) 2007-11-30 2008-11-20 Appareil de circuit de réfrigération
EP13166596.0A Active EP2647928B1 (fr) 2007-11-30 2008-11-20 Appareil de circuit de réfrigération
EP08855672.5A Active EP2196745B1 (fr) 2007-11-30 2008-11-20 Dispositif de cycle de réfrigération

Country Status (7)

Country Link
US (1) US20100205987A1 (fr)
EP (5) EP2647927B1 (fr)
JP (1) JP4948374B2 (fr)
CN (2) CN101842645B (fr)
DK (5) DK2196745T3 (fr)
ES (5) ES2700938T3 (fr)
WO (1) WO2009069524A1 (fr)

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EP1777471A1 (fr) * 2004-07-12 2007-04-25 Denso Corporation Dispositif d'alimentation en eau chaude de type pompe à chaleur
JP2006077998A (ja) * 2004-09-07 2006-03-23 Matsushita Electric Ind Co Ltd 冷凍サイクル装置および制御方法
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EP2647926A3 (fr) 2015-07-29
EP2647925A3 (fr) 2015-08-05
CN101842645A (zh) 2010-09-22
ES2823758T3 (es) 2021-05-10
EP2647926A2 (fr) 2013-10-09
EP2647927B1 (fr) 2020-09-16
ES2650233T3 (es) 2018-01-17
JP4948374B2 (ja) 2012-06-06
EP2647927A2 (fr) 2013-10-09
CN101842645B (zh) 2012-11-28
EP2196745B1 (fr) 2017-11-08
DK2647926T3 (en) 2019-01-07
US20100205987A1 (en) 2010-08-19
EP2647925A2 (fr) 2013-10-09
EP2647928B1 (fr) 2016-10-26
DK2196745T3 (en) 2017-12-11
EP2196745A4 (fr) 2013-02-13
ES2611980T3 (es) 2017-05-11
EP2647928A2 (fr) 2013-10-09
EP2647928A3 (fr) 2015-08-05
EP2647926B1 (fr) 2018-10-24
ES2700938T3 (es) 2019-02-20
DK2647927T3 (da) 2020-10-19
DK2647925T3 (en) 2017-02-06
ES2605462T3 (es) 2017-03-14
CN102425872B (zh) 2014-06-25
WO2009069524A1 (fr) 2009-06-04
EP2196745A1 (fr) 2010-06-16
JP2009133547A (ja) 2009-06-18
CN102425872A (zh) 2012-04-25
EP2647927A3 (fr) 2015-07-29
DK2647928T3 (en) 2016-12-12

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