EP2647926B1 - Appareil de circuit de réfrigération - Google Patents

Appareil de circuit de réfrigération Download PDF

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Publication number
EP2647926B1
EP2647926B1 EP13166593.7A EP13166593A EP2647926B1 EP 2647926 B1 EP2647926 B1 EP 2647926B1 EP 13166593 A EP13166593 A EP 13166593A EP 2647926 B1 EP2647926 B1 EP 2647926B1
Authority
EP
European Patent Office
Prior art keywords
temperature
refrigerant
detection means
heat exchanger
outlet
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
EP13166593.7A
Other languages
German (de)
English (en)
Other versions
EP2647926A3 (fr
EP2647926A2 (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 EP2647926A2 publication Critical patent/EP2647926A2/fr
Publication of EP2647926A3 publication Critical patent/EP2647926A3/fr
Application granted granted Critical
Publication of EP2647926B1 publication Critical patent/EP2647926B1/fr
Active legal-status Critical Current
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
  • Air Conditioning Control Device (AREA)

Claims (7)

  1. Appareil à cycle de réfrigérant comprenant :
    au moins un compresseur (1), un radiateur (2), un moyen de décompression (3) capable de changer un degré d'ouverture, un absorbeur de chaleur (4), un échangeur de chaleur interne (5) qui effectue un échange de chaleur entre un réfrigérant à une sortie du radiateur (2) et le réfrigérant à une sortie de l'absorbeur de chaleur (4), dans lequel
    un premier moyen de détection de conditions de réfrigérant (30) pour détecter les conditions standards d'au moins le radiateur (2) et un deuxième moyen de détection de conditions de réfrigérant (31) pour détecter les conditions du réfrigérant entre une sortie du radiateur (2) et une entrée côté haute pression de l'échangeur de chaleur interne (5) sont prévus, et
    une ouverture du moyen de décompression (3) est contrôlée de sorte qu'une valeur de calcul calculée sur la base d'au moins une sortie du premier moyen de détection de conditions de réfrigérant (30) et de la sortie du deuxième moyen de détection de conditions de réfrigérant (31) devient une valeur cible caractérisé en ce que
    l'appareil à cycle de réfrigérant comprend :
    un troisième moyen de détection de température (41) pour détecter une température d'entrée d'un milieu devant être chauffé et un quatrième moyen de détection de température (42) pour détecter une température de sortie du milieu devant être chauffé, dans lequel
    le degré d'ouverture du moyen de décompression (3) est contrôlé de sorte qu'une valeur de calcul calculée sur la base des sorties du premier moyen de détection de conditions de réfrigérant (30), du deuxième moyen de détection de conditions de réfrigérant (31), du troisième moyen de détection de température (41) et du quatrième moyen de détection de température (42) devient une valeur cible.
  2. Appareil à cycle de réfrigérant selon la revendication 1, dans lequel
    un sixième moyen de détection de température (33) pour détecter la température du réfrigérant entre une sortie côté haute pression de l'échangeur de chaleur interne (5) et une entrée du compresseur (1) est prévu,
    le degré de surchauffe d'une partie d'aspiration de compresseur est calculé à partir d'une température de saturation du réfrigérant à un point de détection du sixième moyen de détection de température (33) et d'une température de détection par le sixième moyen de détection de température (33), et
    le degré d'ouverture du moyen de décompression (3) est contrôlé de sorte que le degré de surchauffe devient la valeur cible.
  3. Appareil à cycle de réfrigérant selon la revendication 2, dans lequel
    un deuxième moyen de détection de pression (51) est prévu entre la sortie côté basse pression de l'échangeur de chaleur interne (5) et l'entrée du compresseur (1) et
    la température de saturation du réfrigérant est calculée sur la base d'une valeur de détection du deuxième moyen de détection de pression (51).
  4. Appareil à cycle de réfrigérant selon la revendication 2, dans lequel
    un cinquième moyen de détection de température (32) est prévu entre l'entrée de l'absorbeur de chaleur (4) et l'entrée côté basse pression de l'échangeur de chaleur interne (5) et
    la température de saturation du réfrigérant est calculée sur la base de la température de détection du cinquième moyen de détection de température (32).
  5. Appareil à cycle de réfrigérant selon l'une quelconque des revendications 2 à 4, dans lequel
    une priorité est donnée au contrôle du degré de surchauffe sur la différence de température.
  6. Appareil à cycle de réfrigérant 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 l'eau.
  7. Appareil à cycle de réfrigérant selon l'une quelconque des revendications 1 à 6, dans lequel
    du dioxyde de carbone est utilisé en tant que réfrigérant.
EP13166593.7A 2007-11-30 2008-11-20 Appareil de circuit de réfrigération Active EP2647926B1 (fr)

Applications Claiming Priority (3)

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
PCT/JP2008/071069 WO2009069524A1 (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
EP2647926A2 EP2647926A2 (fr) 2013-10-09
EP2647926A3 EP2647926A3 (fr) 2015-07-29
EP2647926B1 true EP2647926B1 (fr) 2018-10-24

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 (2)

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

Family Applications After (2)

Application Number Title Priority Date Filing Date
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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Publication number Publication date
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
EP2647925B1 (fr) 2016-12-21
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
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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