DK2647926T3 - Kølekredsløbsapparat - Google Patents

Kølekredsløbsapparat Download PDF

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Publication number
DK2647926T3
DK2647926T3 DK13166593.7T DK13166593T DK2647926T3 DK 2647926 T3 DK2647926 T3 DK 2647926T3 DK 13166593 T DK13166593 T DK 13166593T DK 2647926 T3 DK2647926 T3 DK 2647926T3
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DK
Denmark
Prior art keywords
temperature
refrigerant
detection means
heat exchanger
outlet
Prior art date
Application number
DK13166593.7T
Other languages
English (en)
Inventor
Takashi Okazaki
Fumitake Unezaki
Tomoyoshi Oobayashi
Original Assignee
Mitsubishi Electric Corp
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Publication of DK2647926T3 publication Critical patent/DK2647926T3/da

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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. Kølemiddelkredsløbsapparat omfattende: mindst én kompressor (1), en radiator (2), dekompressionsorgan (3) i stand til at ændre en åbningsgrad, en varmeoptager (4), en indre varmeveksler (5), der udfører varmeveksling mellem et kølemiddel ved et udløb af radiatoren (2) og kølemidlet ved et udløb af varmeoptageren (4), hvor første kølemiddeltilstand-detektionsorgan (30) til at detektere standardtilstande af mindst radiatoren (2) og andet kølemiddeltilstand-detektionsorgan (31) til at detektere kølemiddeltilstande mellem et udløb af radiatoren (2) og et højtrykssideindløb af den indre varmeveksler (5) er tilvejebragt, og en åbning af dekompressionsorganet (3) er styret, således at en beregningsværdi beregnet baseret på mindst et output af det første kølemiddeltilstand-detektionsorgan (30) og outputtet af det andet kølemiddeltilstand-detektionsorgan (31) biiveren målværdi kendetegnet ved, at kølemiddelkredsløbsapparatet omfatter: tredje temperaturdetektionsorgan (41) til at detektere en indløbstemperatur af et medium, som skal opvarmes, og fjerde temperaturdetektionsorgan (42) til at detektere en udløbstemperatur af mediet, som skal opvarmes, hvor åbningsgraden af dekompressionsorganet (3) er styret således at en beregningsværdi beregnet baseret på output af det første kølemiddeltilstand-detektionsorgan (30), det andet kølemiddeltilstand-detektionsorgan (31), det tredje temperaturdetektionsorgan (41), og det fjerde temperaturdetektionsorgan (42) bliver en målværdi.
2. Kølemiddelkredsløbsapparatet ifølge krav 1, hvor sjette temperaturdetektionsorgan (33) til at detektere kølemiddelstemperaturen mellem et lavtrykssideudløb af den indre varmeveksler (5) og et indløb af kompressoren (1) er tilvejebragt, overophedningsgrad afen kompressorsugningsdel er beregnet fra en kølemiddelmætningstemperatur ved et detektionspunkt af det sjette temperaturdetektionsorgan (33) og en detektionstemperatur af det sjette temperaturdetektionsorgan (33), og åbningsgraden af dekompressionsorganet (3) er styret, således at overophedningsgraden bliver målværdien.
3. Kølemiddelkredsløbsapparatet ifølge krav 2, hvor andet trykdetektionsorgan (51) er tilvejebragt mellem lavtrykssideudløbet af den indre varmeveksler (5) og indløbet af kompressoren (1) og kølemiddelmætningstemperaturen er beregnet baseret på en detektionsværdi af det andet trykdetektionsorgan (51).
4. Kølemiddelkredsløbsapparatet ifølge krav 2, hvor femte temperaturdetektionsorgan (32) er tilvejebragt mellem indløbet af varmeoptageren (4) og lavtrykssideindløbet af den indre varmeveksler (5) og kølemiddelmætningstemperaturen er beregnet baseret på detektionstemperaturen af det femte temperaturdetektionsorgan (32).
5. Kølemiddelkredsløbsapparatet ifølge et hvilket som helst af kravene 2 til 4, hvor en prioritet er givet til styring af overophedningsgraden over temperaturforskellen.
6. Kølemiddelkredsløbsapparatet ifølge et hvilket som helst af kravene 1 til 5, hvor radiatoren (2) er en varmeveksler, der veksler varme med vand.
7. Kølemiddelkredsløbsapparatet ifølge et hvilket som helst af kravene 1 til 6, hvor kuldioxid er anvendt som et kølemiddel.
DK13166593.7T 2007-11-30 2008-11-20 Kølekredsløbsapparat DK2647926T3 (da)

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 (en) 2007-11-30 2008-11-20 Refrigeration cycle device

Publications (1)

Publication Number Publication Date
DK2647926T3 true DK2647926T3 (da) 2019-01-07

Family

ID=40678426

Family Applications (5)

Application Number Title Priority Date Filing Date
DK13166593.7T DK2647926T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsapparat
DK13166595.2T DK2647927T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsapparat
DK13166592.9T DK2647925T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsapparat
DK13166596.0T DK2647928T3 (da) 2007-11-30 2008-11-20 Kølingscyklusapparat
DK08855672.5T DK2196745T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsindretning

Family Applications After (4)

Application Number Title Priority Date Filing Date
DK13166595.2T DK2647927T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsapparat
DK13166592.9T DK2647925T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsapparat
DK13166596.0T DK2647928T3 (da) 2007-11-30 2008-11-20 Kølingscyklusapparat
DK08855672.5T DK2196745T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsindretning

Country Status (7)

Country Link
US (1) US20100205987A1 (da)
EP (5) EP2647927B1 (da)
JP (1) JP4948374B2 (da)
CN (2) CN101842645B (da)
DK (5) DK2647926T3 (da)
ES (5) ES2611980T3 (da)
WO (1) WO2009069524A1 (da)

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ES2823758T3 (es) 2021-05-10
JP4948374B2 (ja) 2012-06-06
EP2647928A2 (en) 2013-10-09
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EP2196745A1 (en) 2010-06-16
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DK2196745T3 (da) 2017-12-11
ES2605462T3 (es) 2017-03-14
ES2650233T3 (es) 2018-01-17
US20100205987A1 (en) 2010-08-19
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CN102425872B (zh) 2014-06-25
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DK2647928T3 (da) 2016-12-12
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