DK2196745T3 - Kølekredsløbsindretning - Google Patents

Kølekredsløbsindretning Download PDF

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Publication number
DK2196745T3
DK2196745T3 DK08855672.5T DK08855672T DK2196745T3 DK 2196745 T3 DK2196745 T3 DK 2196745T3 DK 08855672 T DK08855672 T DK 08855672T DK 2196745 T3 DK2196745 T3 DK 2196745T3
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DK
Denmark
Prior art keywords
temperature
refrigerant
heat exchanger
detection means
outlet
Prior art date
Application number
DK08855672.5T
Other languages
English (en)
Inventor
Takashi Okazaki
Fumitake Unezaki
Tomoyoshi Oobayashi
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
Application granted granted Critical
Publication of DK2196745T3 publication Critical patent/DK2196745T3/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 en 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 nævnte radiator (2) og kølemidlet ved et udløb af nævnte varmeoptager (4), hvor første temperaturdetektionsorgan (30) til at detektere en kølemiddelstemperatur mellem et udløb af nævnte kompressor (1) og et indløb af nævnte radiator (2) og andet temperaturdetektionsorgan (31) til at detektere kølemiddelstemperaturen mellem udløbet af nævnte radiator (2) og et højtrykssideindløb af nævnte indre varmeveksler (5), tredje temperaturdetektionsorgan (41) til at detektere en indløbstemperatur af et medie, der skal opvarmes, og fjerde temperaturdetektionsorgan (42) til at detektere udløbstemperaturen af mediet, der skal opvarmes, er tilvejebragt, kendetegnet ved at en åbningsgrad af nævnte dekompressionsorgan (3) er styret, således at en sum (ΣΔΤ) afen temperaturforskel (ΔΤ1) mellem en detektionstemperatur af nævnte første temperaturdetektionsorgan (30) og detektionstemperaturen af nævnte fjerde temperaturdetektionsorgan (42) og temperaturforskellen (ΔΤ2) mellem detektionstemperaturen af nævnte andet temperaturdetektionsorgan (31) og detektionstemperaturen af nævnte tredje temperaturdetektionsorgan (41) bliver en målværdi.
2. Kølemiddelkredsløbsapparatet ifølge krav 1, hvor sjette temperaturdetektionsorgan (33) til at detektere kølemiddelstemperaturen mellem et lavtrykssideudløb af nævnte indre varmeveksler (5) og et indløb af nævnte kompressor (1) er tilvejebragt, overophedningsgrad afen kompressorsugningsdel er beregnet fra en kølemiddelmætningstemperatur ved et detektionspunkt af nævnte sjette temperaturdetektionsorgan (33) og en detektionstemperatur af nævnte sjette temperaturdetektionsorgan (33), og åbningsgraden af nævnte dekompressionsorgan (3) er styret, således at nævnte overophedningsgrad bliver målværdien.
3. Kølemiddelkredsløbsapparatet ifølge krav 2, hvor andet trykdetektionsorgan (51) er tilvejebragt mellem lavtrykssideudløbet af nævnte indre varmeveksler (5) og indløbet af nævnte kompressor (1) og nævnte kølemiddelmætningstemperatur er beregnet baseret på en detektionsværdi af nævnte andet trykdetektionsorgan (51).
4. Kølemiddelkredsløbsapparatet ifølge krav 2, hvor femte temperaturdetektionsorgan (32) er tilvejebragt mellem indløbet af nævnte varmeoptager (4) og lavtrykssideindløbet af nævnte indre varmeveksler (5) og nævnte kølemiddelmætningstemperatur er beregnet baseret på detektionstemperaturen af nævnte femte temperaturdetektionsorgan (32).
5. Kølemiddelkredsløbsapparatet ifølge et hvilket som helst af kravene 2 til 4, hvor en prioritet er givet til styring af nævnte overophedningsgrad over nævnte temperaturforskel.
6. Kølemiddelkredsløbsapparatet ifølge et hvilket som helst af kravene 1 til 5, hvor nævnte radiator (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.
DK08855672.5T 2007-11-30 2008-11-20 Kølekredsløbsindretning DK2196745T3 (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
PCT/JP2008/071069 WO2009069524A1 (ja) 2007-11-30 2008-11-20 冷凍サイクル装置

Publications (1)

Publication Number Publication Date
DK2196745T3 true DK2196745T3 (da) 2017-12-11

Family

ID=40678426

Family Applications (5)

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

Family Applications After (4)

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
DK13166596.0T DK2647928T3 (da) 2007-11-30 2008-11-20 Kølingscyklusapparat
DK13166592.9T DK2647925T3 (da) 2007-11-30 2008-11-20 Kølekredsløbsapparat

Country Status (7)

Country Link
US (1) US20100205987A1 (da)
EP (5) EP2647925B1 (da)
JP (1) JP4948374B2 (da)
CN (2) CN101842645B (da)
DK (5) DK2196745T3 (da)
ES (5) ES2611980T3 (da)
WO (1) WO2009069524A1 (da)

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