EP2196745B1 - Kühlkreislaufvorrichtung - Google Patents

Kühlkreislaufvorrichtung Download PDF

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Publication number
EP2196745B1
EP2196745B1 EP08855672.5A EP08855672A EP2196745B1 EP 2196745 B1 EP2196745 B1 EP 2196745B1 EP 08855672 A EP08855672 A EP 08855672A EP 2196745 B1 EP2196745 B1 EP 2196745B1
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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
EP08855672.5A
Other languages
English (en)
French (fr)
Other versions
EP2196745A4 (de
EP2196745A1 (de
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
Priority to DK13166593.7T priority Critical patent/DK2647926T3/en
Priority to DK13166595.2T priority patent/DK2647927T3/da
Priority to EP13166596.0A priority patent/EP2647928B1/de
Priority to DK13166592.9T priority patent/DK2647925T3/en
Priority to EP13166592.9A priority patent/EP2647925B1/de
Priority to EP13166595.2A priority patent/EP2647927B1/de
Priority to EP13166593.7A priority patent/EP2647926B1/de
Priority to DK13166596.0T priority patent/DK2647928T3/en
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP2196745A1 publication Critical patent/EP2196745A1/de
Publication of EP2196745A4 publication Critical patent/EP2196745A4/de
Application granted granted Critical
Publication of EP2196745B1 publication Critical patent/EP2196745B1/de
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

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  • 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. Kühlmittelkreislaufvorrichtung, umfassend:
    wenigstens einen Kompressor (1), einen Radiator (2), Dekompressionsmittel (3), die in der Lage sind, einen Öffnungsgrad zu ändern, einen Wärmeabsorber (4), einen internen Wärmetauscher (5), der Wärmetausch zwischen einem Kühlmittel an einem Auslass von besagtem Radiator (2) und dem Kühlmittel an einem Auslass von besagtem Wärmeabsorber (4) durchführt, wobei
    erste Temperaturerfassungsmittel (30) zum Erfassen einer Kühlmitteltemperatur zwischen einem Auslass von besagtem Kompressor (1) und einem Einlass von besagtem Radiator (2), und zweite Temperaturerfassungsmittel (31) zum Erfassen der Kühlmitteltemperatur zwischen dem Auslass von besagtem Radiator (2) und einem hochdruckseitigen Einlass von besagtem internen Wärmetauscher (5), dritte Temperaturerfassungsmittel (41) zum Erfassen einer Einlasstemperatur eines zu erwärmenden Mediums und vierte Temperaturerfassungsmittel (42) zum Erfassen der Auslasstemperatur des zu erwärmenden Medium vorgesehen sind, dadurch gekennzeichnet, dass
    ein Öffnungsgrad von besagtem Dekompressionsmittel (3) so gesteuert wird, dass eine Summe (∑ΔT) einer Temperaturdifferenz (ΔT1) zwischen einer Erfassungstemperatur von besagtem ersten Temperaturerfassungsmittel (30) und der Erfassungstemperatur von besagtem vierten Temperaturerfassungsmittel (42) und der Temperaturdifferenz (ΔT2) zwischen der Erfassungstemperatur von besagtem zweiten Temperaturerfassungsmittel (31) und der Erfassungstemperatur von besagtem dritten Temperaturerfassungsmittel (41) ein Zielwert wird.
  2. Kühlmittelkreislaufvorrichtung nach Anspruch 1, bei welcher
    sechste Temperaturerfassungsmittel (33) zum Erfassen der Kühlmitteitemperatur zwischen einem niederdruckseitigen Auslass des besagten internen Wärmetauschers (5) und einem Einlass des besagten Kompressors (1) vorgesehen sind,
    ein Überhitzungsgrad eines Kompressoransaugtrakts aus einer Kühlmittelsättigungstemperatur an einem Erfassungspunkt von besagtem sechsten Temperaturerfassungsmittel (33) und einer Erfassungstemperatur von besagtem sechsten Temperaturerfassungsmittel (33) berechnet wird, und
    der Öffnungsgrad von besagtem Dekompressionsmittel (3) so gesteuert wird, dass der besagte Überhitzungsgrad der Zielwert wird.
  3. Kühlmittelkreislaufvorrichtung nach Anspruch 2, bei welcher
    zweite Druckerfassungsmittel (51) zwischen dem niederdruckseitigen Auslass des besagten internen Wärmetauschers (5) und dem Einlass des besagten Kompressors (1) vorgesehen sind, und
    besagte Kühlmittelsättigungstemperatur basierend auf einem Erfassungswert von besagtem zweiten Druckerfassungsmittel (51) berechnet wird.
  4. Kühlmittelkreislaufvorrichtung nach Anspruch 2, bei welcher
    fünfte Temperaturerfassungsmittel (32) zwischen dem Einlass des besagten Wärmeabsorbers (4) und dem niederdruckseitigen Einlass des besagten internen Wärmetauschers (5) vorgesehen sind, und
    besagte Ktihlmittelsättigungsternperatur basierend auf der Erfassungstemperatur des besagten fünften Temperaturerkennungsmittels (32) berechnet wird.
  5. Kühlmittelkreislaufvorrichtung nach einem der Ansprüche 2 bis 4, bei welcher
    eine Priorität der Steuerung des besagten Überhitzungsgrades über besagter Temperaturdifferenz gegeben wird.
  6. Kühlmittelkreislaufvorrichtung nach einem der Ansprüche 2 bis 5, bei welcher besagter Radiator (2) ein Wärmetauscher ist, der mit Wasser Wärme tauscht.
  7. Kühlmittelkreislaufvorrichtung nach einem der Ansprüche 2 bis 6, bei welcher Kohlendioxid als Kühlmittel verwendet wird.
EP08855672.5A 2007-11-30 2008-11-20 Kühlkreislaufvorrichtung Active EP2196745B1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
EP13166596.0A EP2647928B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
DK13166592.9T DK2647925T3 (en) 2007-11-30 2008-11-20 Refrigeration cycle apparatus
EP13166592.9A EP2647925B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166595.2A EP2647927B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
DK13166593.7T DK2647926T3 (en) 2007-11-30 2008-11-20 Refrigeration cycle apparatus
DK13166596.0T DK2647928T3 (en) 2007-11-30 2008-11-20 Cooling Cycle Unit
DK13166595.2T DK2647927T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsapparat
EP13166593.7A EP2647926B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung

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
PCT/JP2008/071069 WO2009069524A1 (ja) 2007-11-30 2008-11-20 冷凍サイクル装置

Related Child Applications (8)

Application Number Title Priority Date Filing Date
EP13166592.9A Division EP2647925B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166592.9A Division-Into EP2647925B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166593.7A Division EP2647926B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166593.7A Division-Into EP2647926B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166595.2A Division EP2647927B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166595.2A Division-Into EP2647927B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166596.0A Division EP2647928B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166596.0A Division-Into EP2647928B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung

Publications (3)

Publication Number Publication Date
EP2196745A1 EP2196745A1 (de) 2010-06-16
EP2196745A4 EP2196745A4 (de) 2013-02-13
EP2196745B1 true EP2196745B1 (de) 2017-11-08

Family

ID=40678426

Family Applications (5)

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

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP13166596.0A Active EP2647928B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung

Family Applications After (3)

Application Number Title Priority Date Filing Date
EP13166595.2A Active EP2647927B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166593.7A Active EP2647926B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung
EP13166592.9A Active EP2647925B1 (de) 2007-11-30 2008-11-20 Kältekreislaufvorrichtung

Country Status (7)

Country Link
US (1) US20100205987A1 (de)
EP (5) EP2647928B1 (de)
JP (1) JP4948374B2 (de)
CN (2) CN101842645B (de)
DK (5) DK2196745T3 (de)
ES (5) ES2823758T3 (de)
WO (1) WO2009069524A1 (de)

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CN111854206B (zh) * 2019-04-28 2022-01-25 青岛海尔智能技术研发有限公司 一种冷柜设备、制冷系统及其控制方法
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Publication number Publication date
CN101842645B (zh) 2012-11-28
EP2647928A2 (de) 2013-10-09
US20100205987A1 (en) 2010-08-19
DK2647926T3 (en) 2019-01-07
EP2647926B1 (de) 2018-10-24
EP2196745A4 (de) 2013-02-13
DK2647927T3 (da) 2020-10-19
DK2647925T3 (en) 2017-02-06
EP2647925A2 (de) 2013-10-09
EP2647927A3 (de) 2015-07-29
ES2611980T3 (es) 2017-05-11
EP2647928A3 (de) 2015-08-05
JP4948374B2 (ja) 2012-06-06
ES2605462T3 (es) 2017-03-14
EP2647928B1 (de) 2016-10-26
EP2647925B1 (de) 2016-12-21
JP2009133547A (ja) 2009-06-18
WO2009069524A1 (ja) 2009-06-04
EP2647927A2 (de) 2013-10-09
DK2196745T3 (en) 2017-12-11
EP2196745A1 (de) 2010-06-16
EP2647925A3 (de) 2015-08-05
EP2647926A3 (de) 2015-07-29
EP2647926A2 (de) 2013-10-09
ES2650233T3 (es) 2018-01-17
ES2823758T3 (es) 2021-05-10
EP2647927B1 (de) 2020-09-16
ES2700938T3 (es) 2019-02-20
CN102425872B (zh) 2014-06-25
CN101842645A (zh) 2010-09-22
CN102425872A (zh) 2012-04-25
DK2647928T3 (en) 2016-12-12

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