WO2013084431A1 - 空気調和機 - Google Patents

空気調和機 Download PDF

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Publication number
WO2013084431A1
WO2013084431A1 PCT/JP2012/007472 JP2012007472W WO2013084431A1 WO 2013084431 A1 WO2013084431 A1 WO 2013084431A1 JP 2012007472 W JP2012007472 W JP 2012007472W WO 2013084431 A1 WO2013084431 A1 WO 2013084431A1
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WO
WIPO (PCT)
Prior art keywords
refrigerant
refrigeration cycle
air conditioner
compressor
hfo
Prior art date
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Ceased
Application number
PCT/JP2012/007472
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English (en)
French (fr)
Japanese (ja)
Inventor
章 藤高
義和 川邉
一彦 丸本
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.)
Panasonic Corp
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Panasonic Corp
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Filing date
Publication date
Application filed by Panasonic Corp filed Critical Panasonic Corp
Priority to CN201280060234.4A priority Critical patent/CN103998873A/zh
Priority to KR1020147014802A priority patent/KR20140103262A/ko
Priority to IN4169CHN2014 priority patent/IN2014CN04169A/en
Publication of WO2013084431A1 publication Critical patent/WO2013084431A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
    • C10M169/04—Mixtures of base-materials and additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K5/00—Heat-transfer, heat-exchange or heat-storage materials, e.g. refrigerants; Materials for the production of heat or cold by chemical reactions other than by combustion
    • C09K5/02—Materials undergoing a change of physical state when used
    • C09K5/04—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa
    • C09K5/041—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems
    • C09K5/044—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds
    • C09K5/045—Materials undergoing a change of physical state when used the change of state being from liquid to vapour or vice versa for compression-type refrigeration systems comprising halogenated compounds containing only fluorine as halogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
    • C10M171/008—Lubricant compositions compatible with refrigerants
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/10—Components
    • C09K2205/12—Hydrocarbons
    • C09K2205/126—Unsaturated fluorinated hydrocarbons
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
    • C09K2205/22—All components of a mixture being fluoro compounds
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/06—Well-defined aromatic compounds
    • C10M2203/065—Well-defined aromatic compounds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C10M2203/1006—Petroleum or coal fractions, e.g. tars, solvents, bitumen used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2205/00—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions
    • C10M2205/02—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers
    • C10M2205/028—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms
    • C10M2205/0285—Organic macromolecular hydrocarbon compounds or fractions, whether or not modified by oxidation as ingredients in lubricant compositions containing acyclic monomers containing aliphatic monomers having more than four carbon atoms used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/283—Esters of polyhydroxy compounds
    • C10M2207/2835—Esters of polyhydroxy compounds used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/28—Esters
    • C10M2207/32—Esters of carbonic acid
    • C10M2207/325—Esters of carbonic acid used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical
    • C10M2209/043—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an alcohol or ester thereof; bound to an aldehyde, ketonic, ether, ketal or acetal radical used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C10M2209/1033—Polyethers, i.e. containing di- or higher polyoxyalkylene groups used as base material
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2020/00—Specified physical or chemical properties or characteristics, i.e. function, of component of lubricating compositions
    • C10N2020/09—Characteristics associated with water
    • C10N2020/097—Refrigerants
    • C10N2020/101—Containing Hydrofluorocarbons
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2070/00—Specific manufacturing methods for lubricant compositions
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2080/00—Special pretreatment of the material to be lubricated, e.g. phosphatising or chromatising of a metal
    • 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
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
    • F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
    • 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
    • F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/029—Control issues
    • F25B2313/0294—Control issues related to the outdoor fan, e.g. controlling speed
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/12—Inflammable refrigerants
    • F25B2400/121—Inflammable refrigerants using R1234
    • 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
    • F25B2700/2106—Temperatures of fresh outdoor air
    • 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
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/10—Process efficiency

Definitions

  • the present invention relates to an air conditioner using a refrigerant having a low global warming potential.
  • R-22 is used as a refrigerant for air conditioners and the like in developing countries, but because it is an HCFC that destroys the ozone layer, it is subject to reduction under the Montreal Protocol.
  • HFC refrigerant R-410A which is used in developed countries as a refrigerant that does not destroy the ozone layer as a substitute for HCFC, is being studied.
  • the operating efficiency decreases under operating conditions where the ambient temperature is 40 ° C. or higher. Therefore, the air speed of the blower fan is increased to reduce the condensing temperature to prevent the efficiency from decreasing. is doing. (For example, refer to Patent Document 1).
  • FIG. 3 is a refrigeration cycle diagram of Patent Document 1.
  • the compressor 101, the outdoor heat exchanger 102, the decompressor 103, the indoor heat exchanger 104, and the outdoor fan 105 constitute a refrigeration cycle.
  • the control unit 106 performs control so as to increase the wind speed of the outdoor fan 105.
  • the condensation temperature of R-410A in the condenser is R ⁇
  • R-410A has a high global warming potential (GWP) of 2088, and there is a problem that the global warming effect is great when the refrigerant leaks into the atmosphere.
  • GWP global warming potential
  • the present invention has been made in view of the above-described conventional problems, and provides an air conditioner that uses a refrigerant with a low global warming coefficient and has high operating efficiency even under operating conditions where the ambient temperature exceeds 50 ° C. With the goal.
  • the air conditioner according to the present invention has a refrigeration cycle configured by connecting a compressor, a condenser, a decompressor, and an evaporator,
  • a refrigerant mixture mainly composed of difluoromethane (R32) and tetrafluoropropene (HFO-1234yf or HFO-1234ze) and having a R-32 concentration of 70% or less is enclosed in the refrigeration cycle.
  • the mixed refrigerant circulates in the refrigeration cycle, and In the refrigeration cycle, the refrigerant condenses at an ambient temperature exceeding 50 ° C.
  • the discharge temperature of the compressor is equivalent to that of the currently used R-410A, and the reliability of the refrigeration cycle can be improved.
  • coolant with a low warming coefficient is used, even when a refrigerant
  • Refrigeration cycle diagram of the air conditioner in Embodiment 1 of the present invention The figure which shows the relationship between the discharge temperature and efficiency of the refrigerant
  • the first aspect has a refrigeration cycle configured by connecting a compressor, a condenser, a decompressor, and an evaporator,
  • a mixed refrigerant mainly composed of difluoromethane (R32) and tetrafluoropropene (HFO-1234yf or HFO-1234ze) and having a concentration of R32 of 70% or less is enclosed,
  • the mixed refrigerant circulates in the refrigeration cycle; and
  • the refrigerant condenses at an ambient temperature exceeding 50 ° C.
  • an ambient temperature exceeding 50 ° C. it is not necessary to perform an efficiency lowering operation of lowering the condensation temperature by increasing the wind speed of the blower fan or the like.
  • the energy efficiency is higher than that of R-410A, and the discharge temperature is equivalent, and the reliability is improved.
  • the second aspect is configured such that, in the first aspect, the saturated refrigerant in the condenser has a saturation temperature exceeding 60 ° C. As a result, even when the saturation temperature of the condensed refrigerant exceeds 60 ° C., the energy efficiency is higher than that of R-410A, and the discharge temperature is equivalent, so that the reliability is improved.
  • the third aspect uses the refrigerant in the first or second aspect described above, preferably having a global warming potential of 3 or more and 500 or less, preferably 350 or less, and more preferably 150 or less. .
  • a low GWP refrigerant can be operated with high energy efficiency, which can contribute to prevention of global warming.
  • polyoxyalkylene glycols, polyvinyl ethers, poly (oxy) alkylene glycols or monoethers thereof and polyvinyl ethers are used as the refrigerating machine oil used in the compressor.
  • FIG. 1 is a refrigeration cycle diagram of an air conditioner according to an embodiment of the present invention.
  • the air conditioner includes an outdoor unit 5 and an indoor unit 7.
  • the outdoor unit 5 includes a compressor 1 that compresses the refrigerant, a four-way valve 2 that switches a refrigerant circuit during cooling and heating operation, an outdoor heat exchanger 3 that exchanges heat between the refrigerant and the outside air, and a decompressor 4 that decompresses the refrigerant.
  • the indoor unit 7 includes an indoor heat exchanger 6 that exchanges heat between the refrigerant and room air. Further, the indoor unit 7 and the outdoor unit 5 are configured to be connected annularly by a liquid side connection refrigerant pipe 8 and a gas side connection refrigerant pipe 9.
  • difluoromethane (R-32) is a base component
  • the concentration of R-32 is 70% or less
  • tetrafluoropropene (HFO-1234yf or HFO-1234ze). ) Is mixed and circulated.
  • the refrigerant compressed by the compressor 1 is sent to the outdoor heat exchanger 3 as a high-temperature and high-pressure refrigerant. Then, it exchanges heat with the outside air to dissipate heat, and becomes a high-pressure liquid refrigerant, which is sent to the decompressor 4.
  • the pressure reducer 4 the pressure is reduced to form a low-temperature and low-pressure two-phase refrigerant, which is sent to the indoor unit 7 through the liquid side connection refrigerant pipe 8.
  • the refrigerant enters the indoor heat exchanger 6, exchanges heat with indoor air, absorbs heat, evaporates, and becomes a low-temperature gas refrigerant. At this time, the room air is cooled to cool the room. Further, the refrigerant returns to the outdoor unit 5 through the gas side connection refrigerant pipe 9 and is returned to the compressor 1.
  • the refrigeration cycle characteristics (global warming potential (GWP), discharge temperature, efficiency (COP)) when / 30 wt% and 50/50 wt% are shown.
  • the efficiency (COP) was calculated based on the measured data of R-410A, assuming that this case was 100% and the compressor efficiency of the compressor was the same.
  • the efficiency (COP) of R-32 is the highest, but the discharge temperature is 23 degrees higher than that of R-410A.
  • the compressors such as PET (polyethylene terephthalate) film, PEN (polyethylene naphthalate) film and PPS (polyphenylene sulfide) film used in R-22 and R-410A equipment
  • PET polyethylene terephthalate
  • PEN polyethylene naphthalate
  • PPS polyphenylene sulfide
  • Heat-resistant insulating materials for motors, heat-resistant insulating coating materials for motor windings such as polyamideimide (PAI) or polyimide, resin materials and elastomers used for valves, etc. can be used as they are.
  • PAI polyamideimide
  • resin materials and elastomers used for valves, etc. can be used as they are.
  • an air conditioner with high reliability and high operating efficiency can be provided even under operating conditions where the ambient temperature exceeds 50 ° C. That is, even when the ambient temperature exceeds 50 ° C., there is no need to perform an efficiency lowering operation of lowering the condensation temperature by increasing the wind speed of the blower fan or the like. Therefore, it is possible to ensure the same level of operating efficiency and reliability as R-410A.
  • the refrigerating machine oil used in the compressor includes any of polyoxyalkylene glycols, polyvinyl ethers, poly (oxy) alkylene glycols or their monoether and polyvinyl ether copolymers, polyol esters, and polycarbonates.
  • a synthetic oil mainly containing an oxygen compound, a synthetic oil mainly containing alkylbenzenes or ⁇ -olefins, or a mineral oil is used. Thereby, it can contribute to the further improvement of the reliability of an air conditioner.
  • heat pump hot water heating having a refrigeration cycle that uses low GWP refrigerant can improve energy efficiency and reliability under overload operation conditions where the condensation temperature is high. It can be installed in various devices such as aircraft, and can contribute to the prevention of global warming.
  • Compressor 1 Compressor 2 Four-way valve 3 Outdoor heat exchanger (condenser) 4 Pressure reducer 5 Outdoor unit 6 Indoor heat exchanger (evaporator) 7 Indoor unit 8 Liquid side connection refrigerant piping 9 Gas side connection refrigerant piping

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Lubricants (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
PCT/JP2012/007472 2011-12-08 2012-11-21 空気調和機 Ceased WO2013084431A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201280060234.4A CN103998873A (zh) 2011-12-08 2012-11-21 空气调节机
KR1020147014802A KR20140103262A (ko) 2011-12-08 2012-11-21 공기 조화기
IN4169CHN2014 IN2014CN04169A (https=) 2011-12-08 2012-11-21

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011268850A JP2013120029A (ja) 2011-12-08 2011-12-08 空気調和機
JP2011-268850 2011-12-08

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WO2013084431A1 true WO2013084431A1 (ja) 2013-06-13

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KR (1) KR20140103262A (https=)
CN (1) CN103998873A (https=)
IN (1) IN2014CN04169A (https=)
WO (1) WO2013084431A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105431690A (zh) * 2013-07-16 2016-03-23 三星电子株式会社 压缩机以及使用该压缩机的空气调节设备
JPWO2015029160A1 (ja) * 2013-08-28 2017-03-02 三菱電機株式会社 空気調和装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015140994A (ja) * 2014-01-30 2015-08-03 日立アプライアンス株式会社 空気調和機及び冷凍機油

Citations (6)

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WO2010040928A1 (fr) * 2008-10-08 2010-04-15 Arkema France Fluide de transfert de chaleur
WO2010047116A1 (ja) * 2008-10-22 2010-04-29 パナソニック株式会社 冷却サイクル装置
JP2010197033A (ja) * 2009-01-30 2010-09-09 Panasonic Corp 液体循環式暖房システム
WO2010129461A2 (en) * 2009-05-08 2010-11-11 Honeywell International Inc. Hydrofluorocarbon refrigerant compositions for heat pump water heaters
JP2010261679A (ja) * 2009-05-11 2010-11-18 Panasonic Corp 冷凍サイクル
WO2011135817A1 (ja) * 2010-04-28 2011-11-03 パナソニック株式会社 回転式圧縮機

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