WO2019123897A1 - 冷凍サイクル装置 - Google Patents
冷凍サイクル装置 Download PDFInfo
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- WO2019123897A1 WO2019123897A1 PCT/JP2018/042027 JP2018042027W WO2019123897A1 WO 2019123897 A1 WO2019123897 A1 WO 2019123897A1 JP 2018042027 W JP2018042027 W JP 2018042027W WO 2019123897 A1 WO2019123897 A1 WO 2019123897A1
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Images
Classifications
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- 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
- 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
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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
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- C—CHEMISTRY; METALLURGY
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- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
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- F24F3/048—Systems in which all treatment is given in the central station, i.e. all-air systems with temperature control at constant rate of air-flow
- F24F3/052—Multiple duct systems, e.g. systems in which hot and cold air are supplied by separate circuits from the central station to mixing chambers in the spaces to be conditioned
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- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K17/00—Asynchronous induction motors; Asynchronous induction generators
- H02K17/02—Asynchronous induction motors
- H02K17/16—Asynchronous induction motors having rotors with internally short-circuited windings, e.g. cage rotors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/08—Arrangements for cooling or ventilating by gaseous cooling medium circulating wholly within the machine casing
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- C09K2205/106—Carbon dioxide
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- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
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- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
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- C09K2205/00—Aspects relating to compounds used in compression type refrigeration systems
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- C09K2205/22—All components of a mixture being fluoro compounds
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- C09K2205/43—Type R22
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- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
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- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/10—Inhibition of oxidation, e.g. anti-oxidants
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- 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
- C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
- C10N2030/14—Metal deactivation
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- 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
- C10N2040/00—Specified use or application for which the lubricating composition is intended
- C10N2040/30—Refrigerators lubricants or compressors lubricants
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- 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
- F25B2313/023—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units
- F25B2313/0233—Compression machines, plants or systems with reversible cycle not otherwise provided for using multiple indoor units in parallel arrangements
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- 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
- F25B2400/07—Details of compressors or related parts
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- 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
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- 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
- F25B2500/00—Problems to be solved
- F25B2500/05—Cost reduction
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- 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
- F25B2500/00—Problems to be solved
- F25B2500/07—Exceeding a certain pressure value in a refrigeration component or cycle
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- 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
- F25B2600/05—Refrigerant levels
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- 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
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- 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
- F25B2700/04—Refrigerant level
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- 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
- F25B2700/1931—Discharge pressures
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans
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- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Definitions
- the present disclosure relates to a refrigeration cycle apparatus.
- R410A is frequently used as a refrigerant.
- R410A is a binary mixed refrigerant of (CH 2 F 2 ; HFC-32 or R32) and pentafluoroethane (C 2 HF 5 ; HFC-125 or R125), and is a pseudo-azeotropic composition.
- the content of the present disclosure is in view of the above-described point, and in the case where a refrigeration cycle is performed using a refrigerant with a sufficiently small GWP, a refrigeration cycle apparatus capable of improving the lubricity in the refrigeration cycle apparatus Intended to provide.
- a refrigeration cycle apparatus includes a working fluid for a refrigerator including a refrigerant composition containing a refrigerant and a refrigerator oil.
- the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123) and 2,3,3,3-tetrafluoro-1-propene (R1234yf).
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible. Also, in this refrigeration cycle, a refrigerant having the same performance as that of R410A [Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)] and coefficient of performance (Coefficient of Performance (COP)) It is also possible to improve the lubricity in the refrigeration cycle apparatus when used.
- R410A Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)]
- coefficient of performance Coefficient of Performance
- the refrigeration cycle apparatus is HFO-1132, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R1234yf based on the total of these in the refrigerant.
- coordinates (x, y, z) are Point A (68.6, 0.0, 31.4), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point D (0.0, 80.4, 19.6), Point C '(19.5, 70.5, 10.0), Point C (32.9, 67.1, 0.0) and point O (100.0, 0.0, 0.0)
- the line segment AA ′ is The coordinates (x, 0.00
- the refrigeration cycle apparatus is HFO-1132, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R1234yf based on the total of these in the refrigerant.
- coordinates (x, y, z) are Point G (72.0, 28.0, 0.0), Point I (72.0, 0.0, 28.0), Point A (68.6, 0.0, 31.4), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point D (0.0, 80.4, 19.6), Point C '(19.5, 70.5, 10.0) and point C (32.9, 67.1, 0.0)
- the line segments GI, IA, AA ′, A′B, BD, DC ′, C′C and CG connecting the eight points of Except for the points on BD and
- the refrigeration cycle apparatus is HFO-1132, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R1234yf based on the total of these in the refrigerant.
- coordinates (x, y, z) are Point J (47.1, 52.9, 0.0), Point P (55.8, 42.0, 2.2), Point N (68.6, 16.3, 15.1), Point K (61.3, 5.4, 33.3), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point D (0.0, 80.4, 19.6), Point C '(19.5, 70.5, 10.0) and point C (32.9, 67.1, 0.0) Within the range of the figure bounded by the JP, PN, NK, KA ', A'B, BD, DC', C'C and CJ lines
- the refrigeration cycle apparatus is HFO-1132, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R1234yf based on the total of these in the refrigerant.
- coordinates (x, y, z) are Point J (47.1, 52.9, 0.0), Point P (55.8, 42.0, 2.2), Point L (63.1, 31.9, 5.0), Point M (60.3, 6.2, 33.5), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point D (0.0, 80.4, 19.6), Point C '(19.5, 70.5, 10.0) and point C (32.9, 67.1, 0.0) Within the range of the figure bounded by the JP, PL, LM, MA ', A'B, BD, DC', C 'C and CJ lines
- the refrigeration cycle apparatus is HFO-1132, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R1234yf based on the total of these in the refrigerant.
- coordinates (x, y, z) are Point P (55.8, 42.0, 2.2), Point L (63.1, 31.9, 5.0), Point M (60.3, 6.2, 33.5), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point F (0.0, 61.8, 38.2) and point T (35.8, 44.9, 19.3)
- the line segment PL is Coordinates (x, -0.1135x 2 + 12.112x-
- the refrigeration cycle apparatus is HFO-1132, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R1234yf based on the total of these in the refrigerant.
- coordinates (x, y, z) are Point P (55.8, 42.0, 2.2), Point L (63.1, 31.9, 5.0), Point Q (62.8, 29.6, 7.6) and Point R (49.8, 42.3, 7.9)
- coordinates (x, y, z) are Point P (55.8, 42.0, 2.2), Point L (63.1, 31.9, 5.0), Point Q (62.8, 29.6, 7.6) and Point R (49.8, 42.3, 7.9)
- the line segment PL is Coordinates (x, -0.1135x 2 + 12.112x- 280.43, 0.1135x 2 -13.112x + 380.43)
- Represented by The line segment RP is The coordinates (x, 0.0067x 2 -0.7607x + 63.525
- the refrigeration cycle apparatus is HFO-1132, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R1234yf based on the total of these in the refrigerant.
- coordinates (x, y, z) are Point S (62.6, 28.3, 9.1), Point M (60.3, 6.2, 33.5), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point F (0.0, 61.8, 38.2) and point T (35.8, 44.9, 19.3)
- a refrigeration cycle apparatus includes a working fluid for a refrigerator including a refrigerant composition containing a refrigerant and a refrigerator oil.
- the refrigerant contains 99.5% by mass or more of the total of trans-1,2-difluoroethylene (HFO-1132 (E)) and trifluoroethylene (HFO-1123) with respect to the total of the refrigerant, and the refrigerant is HFO-1132 (E) is contained in an amount of 62.0% by mass to 72.0% by mass based on the total mass of the refrigerant.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible.
- this refrigeration cycle has a coefficient of performance (coefficient of performance (COP)) equivalent to that of R410A and refrigeration capacity (RefrigerationCapacity (sometimes referred to as cooling capacity, capacity)). It is also possible to improve the lubricity in the refrigeration cycle apparatus in the case of using a refrigerant having the performance of being slightly incombustible (2 L class) according to the (ASHRAE) standard.
- COP coefficient of performance
- a refrigeration cycle apparatus includes a working fluid for a refrigerator including a refrigerant composition containing a refrigerant and a refrigerator oil.
- the refrigerant contains 99.5% by mass or more of the total of HFO-1132 (E) and HFO-1123 with respect to the total of the refrigerant, and the refrigerant contains HFO-1132 (E) with respect to the total of the refrigerant. 45.1% by mass to 47.1% by mass.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible.
- this refrigeration cycle has a coefficient of performance (coefficient of performance (COP)) equivalent to that of R410A and refrigeration capacity (RefrigerationCapacity (sometimes referred to as cooling capacity, capacity)). It is also possible to improve the lubricity in the refrigeration cycle apparatus in the case of using a refrigerant having the performance of being slightly incombustible (2 L class) according to the (ASHRAE) standard.
- COP coefficient of performance
- a refrigeration cycle apparatus includes a working fluid for a refrigerator including a refrigerant composition containing a refrigerant and a refrigerator oil.
- the refrigerants include trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123) and 2,3,3,3-tetrafluoro-1-propene (R1234yf) and difluoromethane ( R32), HFO-1132 (E), HFO when the mass% of HFO-1132 (E), HFO-1123 and R1234yf and R32 based on the total of these is x, y and z and a, respectively, in the refrigerant.
- HFO-1132 (E) trans-1,2-difluoroethylene
- HFO-1123 trifluoroethylene
- R1234yf 2,3,3,3-tetrafluoro-1-propene
- R32 difluoromethane
- HFO-1132 (E) HFO when the mass% of HFO-1132 (E), HFO-1123 and R1234yf and R32 based on the total of these is x, y and z and a, respectively
- Point A (0.0107a 2 -1.9142a + 68.305, 0.0, -0.0107a 2 + 0.9142a + 31.695)
- Point B (0.0, 0.009a 2 -1.6045a + 59.318, -0.009a 2 + 0.6045a + 40.682)
- the point W (0.0, 100.0-a, 0.0)
- GI, IA, AB, BW and WG respectively connecting the five points of the above, or on the straight lines GI and AB (however, points G, I, except)
- Point G (0.0111a 2 -1.3152a + 68.986,-0.0111a 2 + 0.3152a + 31.014, 0.0)
- Point I (0.0111a 2 -1.3152a + 68.986, 0.0,-0.0111a 2 + 0.3152a + 31.014)
- Point A (0.0103a 2 -1.9225a + 68.793, 0.0, -0.0103a
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible. Also, in this refrigeration cycle, a refrigerant having the same performance as that of R410A [Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)] and coefficient of performance (Coefficient of Performance (COP)) It is also possible to improve the lubricity in the refrigeration cycle apparatus when used.
- R410A Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)]
- coefficient of performance Coefficient of Performance
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition including a refrigerant, and a refrigerator oil.
- the refrigerants include trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123) and 2,3,3,3-tetrafluoro-1-propene (R1234yf) and difluoromethane ( R32), HFO-1132 (E), HFO when the mass% of HFO-1132 (E), HFO-1123 and R1234yf and R32 based on the total of these is x, y and z and a, respectively, in the refrigerant.
- HFO-1132 (E) trans-1,2-difluoroethylene
- HFO-1123 trifluoroethylene
- R1234yf 2,3,3,3-tetrafluoro-1-propene
- R32 difluoromethane
- HFO-1132 (E) HFO when the mass% of HFO-1132 (E), HFO-1123 and R1234yf and R32 based on the total of these is x, y and z and a, respectively
- each of the refrigeration cycle apparatuses includes a refrigerant having a sufficiently small GWP and a refrigeration oil
- the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the refrigerant composition is improved. Is possible.
- a refrigerant having the same performance as that of R410A [Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)] and coefficient of performance (Coefficient of Performance (COP)) It is also possible to improve the lubricity in the refrigeration cycle apparatus when used.
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition including a refrigerant, and a refrigerator oil.
- the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132 (E)), difluoromethane (R32) and 2,3,3,3-tetrafluoro-1-propene (R1234yf), wherein
- HFO-1132 (E) trans-1,2-difluoroethylene
- R32 difluoromethane
- R1234yf 2,3,3,3-tetrafluoro-1-propene
- the coordinates (x, y, z) are Point I (72.0, 0.0, 28.0), Point J (48.5, 18.3, 33.2), Point N (27.7, 18.2, 54.1) and point E (58.3, 0.0, 41.7)
- the line segment IJ is Coordinates (0.0236y 2 .
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible.
- this refrigeration cycle has a refrigeration capacity equivalent to R410A (Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)), and is slightly flammable (2 L) according to the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE). It is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having the performance of being a class).
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition containing a refrigerant, and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), R32 and R1234yf, and in the refrigerant, the mass% of HFO-1132 (E), R32 and R1234yf based on the total of these is x, y and z respectively
- coordinates (x, y, z) are Point M (52.6, 0.0, 47.4), Point M '(39.2, 5.0, 55.8), Point N (27.7, 18.2, 54.1), Point V (11.0, 18.1, 70.9) and Point G (39.6, 0.0, 60.4)
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible.
- this refrigeration cycle has a refrigeration capacity equivalent to R410A (Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)), and is slightly flammable (2 L) according to the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE). It is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having the performance of being a class).
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition containing a refrigerant, and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), R32 and R1234yf, and in the refrigerant, the mass% of HFO-1132 (E), R32 and R1234yf based on the total of these is x, y and z respectively
- coordinates (x, y, z) are Point O (22.6, 36.8, 40.6), Point N (27.7, 18.2, 54.1) and point U (3.9, 36.7, 59.4)
- coordinates (x, y, z) are Point O (22.6, 36.8, 40.6), Point N (27.7, 18.2, 54.1) and point U (3.9, 36.7, 59.4)
- the line segment ON is Coordinates (0.0072y 2 -0.6701y + 37.512, y , -0.0072y 2 -0.3299y + 62.488)
- the line segment NU is Coordinates (0.0083y 2 -1.7403y +56.635, y, -0.0083y
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible.
- this refrigeration cycle has a refrigeration capacity equivalent to R410A (Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)), and is slightly flammable (2 L) according to the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE). It is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having the performance of being a class).
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition containing a refrigerant, and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), R32 and R1234yf, and in the refrigerant, the mass% of HFO-1132 (E), R32 and R1234yf based on the total of these is x, y and z respectively
- coordinates (x, y, z) are Point Q (44.6, 23.0, 32.4), Point R (25.5, 36.8, 37.7), Point T (8.6, 51.6, 39.8), Point L (28.9, 51.7, 19.4) and Point K (35.6, 36.8, 27.6)
- Coordinates (0.0099 y 2 -1.
- the line segment RT is Coordinates (0.082y 2 -1.8683y + 83.126, y, -0.082y 2 + 0.8683y + 16.874)
- the line segment LK is Coordinates (0.0049y 2 -0.8842y + 61.488, y, -0.0049y 2 -0.1158y + 38.512)
- the line segment KQ is Coordinates (0.0095y 2 -1.2222y + 67.676, y, -0.0095y 2 + 0.2222y + 32.324)
- the line segment TL is a straight line.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible.
- this refrigeration cycle has a refrigeration capacity equivalent to R410A (Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)), and is slightly flammable (2 L) according to the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE). It is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having the performance of being a class).
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition that includes a refrigerant, and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), R32 and R1234yf, and in the refrigerant, the mass% of HFO-1132 (E), R32 and R1234yf based on the total of these is x, y and z respectively
- coordinates (x, y, z) are Point P (20.5, 51.7, 27.8), Point S (21.9, 39.7, 38.4) and point T (8.6, 51.6, 39.8)
- coordinates (x, y, z) are Point P (20.5, 51.7, 27.8), Point S (21.9, 39.7, 38.4) and point T (8.6, 51.6, 39.8)
- Coordinates (0.0064y 2 -0.7103y + 40.1, y, -0.0064y 2 -0.2897y + 59.9)
- the line segment ST is Coordinates (0.082y 2 -1.8683y + 83.126, y, -0.082y 2 + 0.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible.
- this refrigeration cycle has a refrigeration capacity equivalent to R410A (Refrigeration Capacity (sometimes referred to as Cooling Capacity or Capacity)), and is slightly flammable (2 L) according to the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE). It is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having the performance of being a class).
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition including a refrigerant, and a refrigerator oil.
- the refrigerant comprises trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123) and difluoromethane (R32), HFO-1132 (E), HFO-1123 and R32, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these refrigerants.
- the coordinates (x, y, z) are Point I (72.0, 28, 0, 0.0) Point K (48.4, 33.2, 18.4) Point B '(0.0, 81.6, 18.4) Point H (0.0, 84.2, 15.8) Point R (23.1, 67.4, 9.5) and Point G (38.5, 61.5, 0.0)
- the line segment IK is Coordinates (0.025z 2 -1.7429z + 72.00, -0.025z 2 + 0.7429z + 28.0, z) Represented by
- the line segment HR is Coordinates (-0.3123z 2 + 4.234z + 11.06, 0.3123z 2 -5.234z + 88.94, z) Represented by
- the line segment RG is Coordinates ( ⁇ 0.0491z 2 -1.1544z + 3
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible. Moreover, in this refrigeration cycle, it is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having a performance of having a coefficient of performance (coefficient of performance (COP)) equivalent to that of R410A.
- COP coefficient of performance
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition containing a refrigerant and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), HFO-1123 and R32, HFO-1132 (E), HFO-1123 and R32, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these refrigerants.
- the coordinates (x, y, z) are Point I (72.0, 28, 0, 0.0) Point J (57.7, 32.8, 9.5) Point R (23.1, 67.4, 9.5) and Point G (38.5, 61.5, 0.0)
- the line segment IJ is Coordinates (0.025z 2 -1.7429z + 72.0, -0.025z 2 + 0.7429z + 28.0, z)
- the line segment RG is Coordinates ( ⁇ 0.0491z 2 -1.1544z + 38.5, 0.0491z 2 + 0.1544z + 61.5, z) Represented by The line segments JR and GI are straight lines.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible. Moreover, in this refrigeration cycle, it is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having a performance of having a coefficient of performance (coefficient of performance (COP)) equivalent to that of R410A.
- COP coefficient of performance
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition that includes a refrigerant, and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), HFO-1123 and R32, HFO-1132 (E), HFO-1123 and R32, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these refrigerants.
- the coordinates (x, y, z) are Point M (47.1, 52.9, 0.0) Point P (31.8, 49.8, 18.4) Point B '(0.0, 81.6, 18.4) Point H (0.0, 84.2, 15.8) Point R (23.1, 67.4, 9.5) and Point G (38.5, 61.5, 0.0)
- the line segment MP is Coordinates (0.0083z 2 -0.984z + 47.1, -0.0083z 2 -0.016z + 52.9, z) Represented by
- the line segment HR is Coordinates (-0.3123z 2 + 4.234z + 11.06, 0.3123z 2 -5.234z + 88.94, z) Represented by
- the line segment RG is Coordinates ( ⁇ 0.0491z 2 -1.1544z + 38.5, 0.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible. Moreover, in this refrigeration cycle, it is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having a performance of having a coefficient of performance (coefficient of performance (COP)) equivalent to that of R410A.
- COP coefficient of performance
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition that includes a refrigerant, and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), HFO-1123 and R32, HFO-1132 (E), HFO-1123 and R32, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these refrigerants.
- the coordinates (x, y, z) are Point M (47.1, 52.9, 0.0) Point N (38.5, 52.1, 9.5) Point R (23.1, 67.4, 9.5) and Point G (38.5, 61.5, 0.0)
- the line segment MN is Coordinates (0.0083z 2 -0.984z + 47.1, -0.0083z 2 -0.016z + 52.9, z)
- the line segment RG is Coordinates ( ⁇ 0.0491z 2 -1.1544z + 38.5, 0.0491z 2 + 0.1544z + 61.5, z) Represented by The line segments JR and GI are straight lines.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible. Moreover, in this refrigeration cycle, it is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having a performance of having a coefficient of performance (coefficient of performance (COP)) equivalent to that of R410A.
- COP coefficient of performance
- a refrigeration cycle apparatus includes a working fluid for a refrigerator including a refrigerant composition containing a refrigerant and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), HFO-1123 and R32, HFO-1132 (E), HFO-1123 and R32, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these refrigerants.
- the coordinates (x, y, z) are Point P (31.8, 49.8, 18.4) Point S (25.4, 56.2, 18.4) and Point T (34.8, 51.0, 14.2)
- Point P 31.8, 49.8, 18.4
- Point S (25.4, 56.2, 18.4)
- Point T 34.8, 51.0, 14.2
- the line segment ST is Coordinates (-0.0982z 2 + 0.9622z + 40.931, 0.0982z 2 -1.9622z + 59.069, z)
- the line segment TP is Coordinates (0.0083z 2 -0.984z + 47.1, -0.0083z 2 -0.016z + 52.9, z) Represented by
- the line segment PS is a straight line.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible. Moreover, in this refrigeration cycle, it is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having a performance of having a coefficient of performance (coefficient of performance (COP)) equivalent to that of R410A.
- COP coefficient of performance
- a refrigeration cycle apparatus includes a working fluid for a refrigerator that includes a refrigerant composition including a refrigerant, and a refrigerator oil.
- the refrigerant includes HFO-1132 (E), HFO-1123 and R32, HFO-1132 (E), HFO-1123 and R32, where x, y and z respectively represent mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these refrigerants.
- the coordinates (x, y, z) are Point Q (28.6, 34.4, 37.0) Point B '' (0.0, 63.0, 37.0) Point D (0.0, 67.0, 33.0) and point U (28.7, 41.2, 30.1)
- the line segment DU is The coordinates ( ⁇ 3.4962z 2 + 210.71z ⁇ 3146.1, 3.4962z 2 ⁇ 211.71z + 3246.1, z) are represented, and the line segment UQ is Coordinates (0.0135z 2 -0.9181z + 44.133, -0.0135z 2 -0.0819z + 55.867, z) Represented by The line segments QB ′ ′ and B′′D are straight lines.
- this refrigeration cycle apparatus includes a refrigerant with a sufficiently small GWP and refrigeration oil, it is possible to improve the lubricity in the refrigeration cycle apparatus when performing the refrigeration cycle using the above-mentioned refrigerant composition. It is possible. Moreover, in this refrigeration cycle, it is also possible to improve the lubricity in the refrigeration cycle apparatus when using a refrigerant having a performance of having a coefficient of performance (coefficient of performance (COP)) equivalent to that of R410A.
- COP coefficient of performance
- the refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first through twenty-third aspects, wherein the kinematic viscosity of the refrigeration oil at 40 ° C. is 1 mm 2 / s or more and 750 mm 2 / s or less .
- the refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first through twenty-fourth aspects, wherein the kinematic viscosity of the refrigeration oil at 100 ° C. is 1 mm 2 / s or more and 100 mm 2 / s or less .
- the refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first through twenty-fifth aspects, wherein the volume resistivity of the refrigeration oil at 25 ° C. is 1.0 ⁇ 10 12 ⁇ ⁇ cm or more. is there.
- the refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first through twenty-sixth aspects, wherein the acid value of the refrigeration oil is 0.1 mg KOH / g or less.
- the refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first through twenty-seventh aspects, wherein the ash content of the refrigeration oil is 100 ppm or less.
- the refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first through twenty-eighth aspects, wherein the aniline point of the refrigeration oil is -100 ° C. or more and 0 ° C. or less.
- a refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first through twenty-ninth aspects, and includes a refrigerant circuit.
- the refrigerant circuit is configured by connecting a compressor, a condenser, a pressure reducing unit, and an evaporator through a refrigerant pipe.
- the refrigerant circuit circulates a working fluid for a refrigerator.
- the refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first aspect to the thirtieth aspect, wherein a blending ratio of refrigeration oil in the working fluid for refrigeration machine is 5 mass% or more and 60 mass% or less It is.
- the refrigeration cycle apparatus is the refrigeration cycle apparatus according to any one of the first aspect to the thirty first aspect, wherein the refrigeration oil is an acid scavenger, an extreme pressure agent, an antioxidant, an antifoaming agent, an oil agent And at least one additive selected from metal deactivators, antiwear agents and compatibilizers.
- the ratio of the additive to the mass of the refrigerator oil containing the additive is 5% by mass or less.
- FIG. 3 is a diagram showing points A to T and line segments connecting them in a ternary composition diagram in which the total sum of HFO-1132 (E), HFO-1123 and R1234yf is 100% by mass.
- the sum of HFO-1132 (E), HFO-1123 and R1234yf is (100 ⁇ a) mass%, points A to C, D ′, G, I, J and K ′ and their respective It is the figure which showed the line segment to connect.
- the three-component composition diagram in which the sum of HFO-1132 (E), R32 and R1234yf is 100% by mass is a diagram showing points A to C, E, G, and I to W and line segments connecting them.
- FIG. 3 is a diagram showing points A to U and line segments connecting them in a ternary composition diagram in which the total sum of HFO-1132 (E), HFO-1123 and R32 is 100% by mass.
- Refrigeration cycle device includes the refrigerant composition described in the column of (4) described later and refrigeration oil.
- Refrigerant oil can improve lubricity in the refrigeration cycle apparatus by causing it to coexist with a refrigerant composition and performing a refrigeration cycle such as a refrigeration cycle, and exhibits efficient cycle performance. It is also possible to
- the refrigeration oil examples include oxygen-containing synthetic oils (ester-based refrigeration oils, ether-based refrigeration oils and the like), hydrocarbon-based refrigeration oils and the like. Among them, ester-based refrigerator oils and ether-based refrigerator oils are preferable from the viewpoint of compatibility with the refrigerant or the refrigerant composition.
- As refrigeration oil 1 type may be used independently and may be used combining 2 or more types.
- Refrigerant oil can suppress the decrease in lubricity and compressor sealability, ensure sufficient compatibility with refrigerant under low temperature conditions, suppress lubricant failure of compressor, in evaporator possible to improve the heat exchange efficiency, from at least one aspect, preferably a kinematic viscosity at 40 ° C. is not more than 1 mm 2 / s or more 750 mm 2 / s, or less 1 mm 2 / s or more 400 mm 2 / s It is more preferable that The kinematic viscosity at 100 ° C. of the refrigerator oil may be, for example, 1 mm 2 / s or more and 100 mm 2 / s or less, and more preferably 1 mm 2 / s or more and 50 mm 2 / s or less.
- the refrigerator oil preferably has an aniline point of -100 ° C or more and 0 ° C or less.
- the “aniline point” is a numerical value indicating the solubility of, for example, a hydrocarbon solvent, and when a sample (here, refrigeration oil) is mixed with an equal volume of aniline and cooled, they mutually dissolve and combine. It shows the temperature when it disappears and turbidity starts to appear (defined by JIS K 2256).
- these values are values of refrigeration oil itself in the state in which the refrigerant does not melt.
- the refrigerator oil in which the aniline point is in the predetermined range ( ⁇ 100 ° C. or more and 0 ° C. or less) described above.
- the gap (gap) in the sliding portion can not be maintained at a desired length.
- the sliding resistance may be increased.
- the hardness of the bearing is increased, and there is a possibility that the bearing may be damaged by the vibration of the compressor. That is, when each bearing is contracted and deformed, the rigidity of the sliding portion may be reduced.
- the insulating material (insulating coating material, insulating film, and the like) of the motor swells and deforms, the insulating property of the insulating material is reduced. If the insulating material shrinks and deforms, the insulating material may be damaged as in the case of the above-described bearing, and the insulating property is also reduced in this case.
- the swelling / shrinkage deformation of the bearing or the insulating material can be suppressed by using the refrigerator oil having the aniline point within the predetermined range as described above, and thus such a problem can be avoided.
- Refrigerant oil is mixed with a refrigerant composition and used as a working fluid for a refrigerator. It is preferable that it is 5 to 60 mass%, and, as for the compounding ratio of refrigeration oil with respect to the working fluid whole quantity for refrigerator, it is more preferable that it is 10 to 50 mass%.
- ester-based refrigerator oil and an ether-based refrigerator oil which are oxygen-containing synthetic oils are mainly composed of carbon atoms and oxygen atoms.
- ester-type refrigeration oils and ether-type refrigeration oils if the ratio of carbon atoms to oxygen atoms (carbon / oxygen molar ratio) is too small, the hygroscopicity becomes high, and if the ratio is too large, the compatibility with the refrigerant decreases.
- the ratio is preferably 2 or more and 7.5 or less in molar ratio.
- ester-based refrigerator oil is a dibasic acid ester oil of a dibasic acid and a monohydric alcohol, a polyol ester oil of a polyol and a fatty acid, Alternatively, a complex ester oil of a polyol, a polybasic acid and a monohydric alcohol (or a fatty acid), a polyol carbonate oil, etc. may be mentioned as the base oil component.
- dibasic acid ester oil As dibasic acid ester oils, dibasic acids such as oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, phthalic acid, isophthalic acid, terephthalic acid, in particular , A dibasic acid having 5 to 10 carbon atoms (glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, etc.) and a linear or branched alkyl group having a carbon number of 1 to 15 monohydric alcohol Esters with (methanol, ethanol, propanol, butanol, pentanol, hexanol, heptanol, octanol, nonanol, decanol, undecanol, dodecanol, tridecanol, tetradecanol, pen
- this dibasic acid ester oil examples include ditridecyl glutarate, di (2-ethylhexyl) adipate, diisodecyl adipate, ditridecyl adipate, di (3-ethylhexyl) sebacate and the like.
- Polyol ester oil is an ester synthesized from a polyhydric alcohol and a fatty acid (carboxylic acid) and has a carbon / oxygen molar ratio of 2 to 7.5, preferably 3.2 to 5.8. is there.
- polyhydric alcohols constituting the polyol ester oil examples include diols (ethylene glycol, 1,3-propanediol, propylene glycol, 1,4-butanediol, 1,2-butanediol, 2-methyl-1,3-propane Diol, 1,5-pentanediol, neopentyl glycol, 1,6-hexanediol, 2-ethyl-2-methyl-1,3-propanediol, 1,7-heptanediol, 2-methyl-2-propyl- 1,3-propanediol, 2,2-diethyl-1,3-propanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,11-undecanediol, 1, 12-dodecanediol etc., polyols having 3 to 20 hydroxyl groups (tri
- the fatty acid constituting the polyol ester is not particularly limited in the number of carbon atoms, but one having 1 to 24 carbon atoms is usually used.
- Linear fatty acids and branched fatty acids are preferred.
- linear fatty acid acetic acid, propionic acid, butanoic acid, pentanoic acid, hexanoic acid, heptanoic acid, octanoic acid, nonanoic acid, nonanoic acid, decanoic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, tetradecanoic acid, pentadecanoic acid, hexadecanoic acid And heptadecanoic acid, octadecanoic acid, nonadecanoic acid, eicosanoic acid, oleic acid, linoleic acid, linolenic acid, etc., and all hydrocarbon groups bonded to the carboxyl group may be
- branched fatty acids 2-methylpropanoic acid, 2-methylbutanoic acid, 3-methylbutanoic acid, 2,2-dimethylpropanoic acid, 2-methylpentanoic acid, 3-methylpentanoic acid, 4-methylpentanoic acid , 2,2-dimethylbutanoic acid, 2,3-dimethylbutanoic acid, 3,3-dimethylbutanoic acid, 2-methylhexanoic acid, 3-methylhexanoic acid, 4-methylhexanoic acid, 5-methylhexanoic acid, 2 , 2-Dimethylpentanoic acid, 2,3-dimethylpentanoic acid, 2,4-dimethylpentanoic acid, 3,3-dimethylpentanoic acid, 3,4-dimethylpentanoic acid, 4,4-dimethylpentanoic acid, 2-ethyl Pentanoic acid, 3-ethylpentanoic acid, 2,2,3-trimethylbuta
- the polyhydric alcohol constituting the ester may be one type or a mixture of two or more types.
- the fatty acid constituting the ester may be a single component or an ester with two or more fatty acids. Each of the fatty acids may be one type or a mixture of two or more types.
- the polyol ester oil may also have free hydroxyl groups.
- Specific polyol ester oils include neopentyl glycol, trimethylol ethane, trimethylol propane, trimethylol butane, di- (trimethylol propane), tri- (trimethylol propane), pentaerythritol, and di- (pentaerythritol).
- esters of hindered alcohols such as tri- (pentaerythritol) are more preferable, and esters of neopentyl glycol, trimethylolethane, trimethylolpropane, trimethylolbutane and pentaerythritol, and di- (pentaerythritol) are more preferable,
- An ester of neopentyl glycol, trimethylolpropane, pentaerythritol, di- (pentaerythritol) or the like with a fatty acid having 2 to 20 carbon atoms is preferred.
- the fatty acids may be only fatty acids having a linear alkyl group or may be selected from fatty acids having a branched structure.
- mixed esters of linear and branched fatty acids may be used.
- 2 or more types chosen from the said fatty acid may be used for the fatty acid which comprises ester.
- the molar ratio of a straight chained fatty acid having 4 to 6 carbon atoms and a branched fatty acid having 7 to 9 carbon atoms is 15:85 to 90:10, preferably 15:85 to 85:15, more preferably 20:80 to 80:20, still more preferably 25:75 to 75:25, most preferably 30:70. It is ⁇ 70:30.
- the ratio of the total of straight-chain fatty acids having 4 to 6 carbon atoms and branched fatty acids having 7 to 9 carbon atoms in the total amount of fatty acids constituting the polyhydric alcohol fatty acid ester is 20 mol% or more preferable.
- the fatty acid composition it is preferable to be compatible with the sufficient compatibility with the refrigerant and the viscosity required as a refrigerator oil.
- the ratio of the fatty acid here is a value on the basis of the whole fatty acid which comprises polyhydric-alcohol fatty-acid ester contained in refrigeration oil.
- the molar ratio of a fatty acid having 4 to 6 carbon atoms and a branched fatty acid having 7 to 9 carbon atoms is 15:85 to 90:10, and a fatty acid having 4 to 6 carbon atoms Is an ester containing 2-methylpropanoic acid, wherein the proportion of the total of fatty acids having 4 to 6 carbon atoms and branched fatty acids having 7 to 9 carbons in the total amount of fatty acids constituting the ester is at least 20 mol% And those containing "polyhydric alcohol fatty acid ester (A)".
- the polyhydric alcohol fatty acid ester (A) is a complete ester in which all the hydroxyl groups of polyhydric alcohol are esterified, a partial ester in which a part of the hydroxyl groups of polyhydric alcohol remains without being esterified, and a complete ester Although a mixture with a partial ester is included, the hydroxyl value of polyhydric alcohol fatty acid ester (A) is preferably 10 mg KOH / g or less, more preferably 5 mg KOH / g or less, and most preferably 3 mg KOH / g or less.
- the molar ratio of the C4 to C6 fatty acid and the branched C7 to C9 fatty acid is 15:85 to 90:10, preferably 15 It is from 85 to 85:15, more preferably from 20:80 to 80:20, still more preferably from 25:75 to 75:25, and most preferably from 30:70 to 70:30. Further, the ratio of the total of the fatty acid having 4 to 6 carbon atoms and the branched fatty acid having 7 to 9 carbon atoms to the total amount of fatty acids constituting the polyhydric alcohol fatty acid ester (A) is 20 mol% or more.
- the ratio of a fatty acid is a value on the basis of the whole fatty acid which comprises polyhydric-alcohol fatty acid ester contained in refrigeration oil.
- fatty acid having 4 to 6 carbon atoms include butanoic acid, 2-methylpropanoic acid, pentanoic acid, 2-methylbutanoic acid, 3-methylbutanoic acid, 2,2-dimethylpropanoic acid, 2-methyl
- examples thereof include pentanoic acid, 3-methylpentanoic acid, 4-methylpentanoic acid, 2,2-dimethylbutanoic acid, 2,3-dimethylbutanoic acid, 3,3-dimethylbutanoic acid, and hexanoic acid.
- those having a branch in the alkyl skeleton such as 2-methylpropanoic acid are preferable.
- branched branched fatty acid having 7 to 9 carbon atoms include 2-methylhexanoic acid, 3-methylhexanoic acid, 4-methylhexanoic acid, 5-methylhexanoic acid and 2,2-dimethylpentane.
- the polyhydric alcohol fatty acid ester (A) has a molar ratio of a fatty acid having 4 to 6 carbon atoms and a branched fatty acid having 7 to 9 carbon atoms is 15: 85 to 90: 10, and has 4 to 6 carbon atoms.
- the fatty acid may contain fatty acids other than fatty acids having 4 to 6 carbon atoms and fatty acids having 7 to 9 carbon atoms having a branch as constituent acid components.
- fatty acids having 2 to 3 carbon atoms such as acetic acid and propionic acid
- heptanoic acid, octanoic acid Straight-chain fatty acids having 7 to 9 carbon atoms such as nonanoic acid
- decanoic acid, undecanoic acid, dodecanoic acid, tridecanoic acid, tetradecanoic acid pentadecanoic acid, hexadecanoic acid, heptadecanoic acid, octadecanoic acid, nonadecanoic acid, eicosanoic acid, oleic acid, etc.
- the total proportion of the C 4 to C 6 fatty acids and the C 7 to C 9 branched fatty acids is preferably 20 mol% or more, more preferably 25 mol% or more, and 30 mol% or more Even more preferred. When this ratio is 20 mol% or more, the compatibility with the difluoromethane in the case where the refrigerant composition contains difluoromethane is sufficient.
- polyhydric alcohol fatty acid esters (A) those having an acid component consisting of only 2-methylpropanoic acid and 3,5,5-trimethylhexanoic acid contain difluoromethane in the refrigerant composition to secure the necessary viscosity and It is particularly preferable in terms of compatibility with the difluoromethane in the case where
- the polyhydric alcohol fatty acid ester may be a mixture of two or more of esters having different molecular structures, and in such a case, the individual molecules do not necessarily have to satisfy the above conditions, and may be contained in a refrigerator oil The above conditions may be satisfied as a whole of the fatty acid constituting the pentaerythritol fatty acid ester.
- the polyhydric alcohol fatty acid ester (A) essentially comprises a fatty acid having 4 to 6 carbon atoms and a branched fatty acid having 7 to 9 carbon atoms as acid components constituting the ester, and other fatty acids as necessary. Is included as a component. That is, the polyhydric alcohol fatty acid ester (A) may contain only two types of fatty acids as an acid component, or three or more types of different fatty acids as an acid component.
- the polyhydric alcohol fatty acid ester preferably contains, as an acid component, only fatty acids whose carbon atom adjacent to the carbonyl carbon ( ⁇ -position carbon atom) is not quaternary carbon.
- the fatty acid constituting the polyhydric alcohol fatty acid ester contains a fatty acid whose quaternary carbon in the ⁇ -position is a quaternary carbon
- polyhydric alcohol constituting the polyol ester according to the present embodiment a polyhydric alcohol having 2 to 6 hydroxyl groups is preferably used.
- dihydric alcohol examples include ethylene glycol, 1,3-propanediol, propylene glycol, 1,4-butanediol, 1,2-butanediol, 2-methyl-1,3- Propanediol, 1,5-pentanediol, neopentyl glycol, 1,6-hexanediol, 2-ethyl-2-methyl-1,3-propanediol, 1,7-heptanediol, 2-methyl-2-propyl 1,3-propanediol, 2,2-diethyl-1,3-propanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,11-undecanediol, 1 , 12-dodecanediol and the like.
- trihydric or higher alcohols include trimethylol ethane, trimethylol propane, trimethylol butane, di- (trimethylol propane), tri- (trimethylol propane), pentaerythritol, and di- (di) Pentaerythritol), tri- (pentaerythritol), glycerin, polyglycerin (di- to trimeric glycerin), 1,3,5-pentanetriol, sorbitol, sorbitan, sorbitol glycerin condensate, adonitol, arabitol, xylitol, mannitol And polyhydric alcohols such as xylose, arabinose, ribose, rhamnose, glucose, fructose, galactose, mannose, sorbose, cellobiose, and the like, as well as their partial etherification products.
- neopentyl glycol, trimethylol ethane, trimethylol propane, trimethylol butane, di- (trimethylol propane), tri- (trimethylol propane), pentaerythritol, Esters of hindered alcohols such as-(pentaerythritol) and tri- (pentaerythritol) are more preferable
- neopentyl glycol, trimethylol ethane, trimethylol propane, trimethylol butane and pentaerythritol, esters of di- (pentaerythritol) are even more preferred
- neopentyl glycol, trimethylolpropane, pentaerythritol, di- (pentaerythritol) are more preferred, and compatibility with a refrigerant and hydrolysis Since particularly excellent qualitative, pentaerythritol, di - (pentaerythritol
- the acid component which comprises the said polyhydric-alcohol fatty-acid ester (A).
- the acid component which comprises the said polyhydric-alcohol fatty-acid ester the following can be mentioned.
- the content of the polyhydric alcohol fatty acid ester (A) is 50% by mass or more, preferably 60% by mass or more, more preferably 70% by mass or more, and still more preferably 75% by mass or more based on the total amount of refrigerator oil .
- the refrigeration oil according to the present embodiment may contain a lubricant base oil and additives other than polyhydric alcohol fatty acid ester (A) as described later, but 50 mass% of polyhydric alcohol fatty acid ester (A) If it is less than this, the required viscosity and the compatibility can not be achieved at a high level.
- the polyhydric alcohol fatty acid ester (A) is mainly used as a base oil.
- polyhydric alcohol fatty acid ester (A) may be used alone (that is, the content of polyhydric alcohol fatty acid ester (A) is 100% by mass) as a base oil of a refrigerating machine oil according to the present embodiment,
- base oils other than polyhydric alcohol fatty acid ester (A) may be further contained to the extent that the superior performance is not impaired.
- Base oils other than polyhydric alcohol fatty acid esters (A) include mineral oils, olefin polymers, hydrocarbon-based oils such as alkyl diphenyl alkanes, alkyl naphthalenes and alkyl benzenes; polyol esters other than polyhydric alcohol fatty acid esters (A), complexes Esters, esters such as alicyclic dicarboxylic acid esters, polyglycols, polyvinyl ethers, ketones, polyphenyl ethers, silicones, polysiloxanes, perfluoroethers, etc.
- Synthetic oils containing oxygen hereinafter referred to as “other oxygen-containing oils, as required Synthetic oil) and the like.
- esters other than polyhydric alcohol fatty acid ester (A), polyglycols and polyvinyl ethers are preferable, and particularly preferable are polyol esters other than polyhydric alcohol fatty acid esters (A) It is.
- polyol esters other than polyhydric alcohol fatty acid ester (A) include esters of fatty acids with polyhydric alcohols such as neopentyl glycol, trimethylol ethane, trimethylol propane, trimethylol butane, pentaerythritol and dipentaerythritol.
- esters of neopentyl glycol with fatty acids esters of pentaerythritol with fatty acids and esters of dipentaerythritol with fatty acids.
- the neopentyl glycol ester is preferably an ester of neopentyl glycol and a fatty acid having 5 to 9 carbon atoms.
- neopentyl glycol esters include neopentyl glycol di 3,5,5-trimethylhexanoate, neopentyl glycol di 2-ethylhexanoate, neopentyl glycol di 2-methylhexa Nooate, neopentyl glycol di-2-ethyl pentanoate, esters of neopentyl glycol and 2-methylhexanoic acid and 2-ethylpentanoic acid, neopentyl glycol and esters of 3-methylhexanoic acid and 5-methylhexanoic acid, Neopentyl glycol and ester of 2-methylhexanoic acid and 2-ethylhexanoic acid, neopentyl glycol and ester of 3,5-
- the pentaerythritol ester is preferably an ester of pentaerythritol and a fatty acid having 5 to 9 carbon atoms.
- specific examples of such pentaerythritol ester include pentaerythritol and pentanoic acid, 2-methylbutanoic acid, 3-methylbutanoic acid, hexanoic acid, 2-methylpentanoic acid, 2-ethylbutanoic acid, 2-ethylpentanoic acid And esters with one or more fatty acids selected from 2-methylhexanoic acid, 3,5,5-trimethylhexanoic acid and 2-ethylhexanoic acid.
- dipentaerythritol ester an ester of dipentaerythritol and a fatty acid having 5 to 9 carbon atoms is preferable.
- a dipentaerythritol ester specifically, dipentaerythritol and pentanoic acid, 2-methylbutanoic acid, 3-methylbutanoic acid, hexanoic acid, 2-methylpentanoic acid, 2-ethylbutanoic acid, 2-ethyl
- the refrigeration oil according to the present embodiment contains an oxygen-containing synthetic oil other than the polyhydric alcohol fatty acid ester (A)
- the content of the oxygen-containing synthetic oil other than the polyhydric alcohol fatty acid ester (A) is the same as that of the present embodiment.
- the polyol ester other than polyhydric alcohol fatty acid ester (A) may be a partial ester in which a part of hydroxyl groups of polyhydric alcohol is not esterified and remains as hydroxyl groups, and all the hydroxyl groups are esterified.
- the ester may be a complete ester or a mixture of a partial ester and a complete ester, but the hydroxyl value is preferably 10 mg KOH / g or less, more preferably 5 mg KOH / g or less, Most preferably, it is 3 mg KOH / g or less.
- the refrigerator and the working fluid for the refrigerator contain a polyol ester other than the polyhydric alcohol fatty acid ester (A)
- a polyol ester other than the polyhydric alcohol fatty acid ester (A) one composed of one kind of polyol ester of a single structure is used as the polyol ester. You may contain, and you may contain the mixture of 2 or more types of polyol ester from which a structure differs.
- polyol esters other than polyhydric alcohol fatty acid ester (A) are esters of one kind of fatty acid and one kind of polyhydric alcohol, esters of two or more kinds of fatty acids and one kind of polyhydric alcohol, one kind of It may be any of an ester of a fatty acid and two or more kinds of polyhydric alcohols, and an ester of two or more kinds of fatty acids and two or more kinds of polyhydric alcohols.
- the refrigeration oil according to the present embodiment may be composed only of polyhydric alcohol fatty acid ester (A), or may be composed of polyhydric alcohol fatty acid ester (A) and other base oils. Although it is good, you may further contain the various additive mentioned later. Also, the working fluid for a refrigerator according to the present embodiment may further contain various additives. In the following description, the content of the additive is indicated on the basis of the total amount of the refrigerator oil, but the content of these components in the working fluid for the refrigerator is preferably described later based on the total amount of the refrigerator oil It is desirable to select so as to be within the range.
- Phosphoric acid ester acidic phosphoric acid ester, thiophosphoric acid ester, amine salt of acidic phosphoric acid ester, chlorine, in order to further improve the abrasion resistance and load resistance of the refrigerator oil and the working fluid for the refrigerator according to the present embodiment
- At least one phosphorus compound selected from the group consisting of organic phosphate esters and phosphite esters can be blended. These phosphorus compounds are esters of phosphoric acid or phosphorous acid with alkanols, polyether type alcohols or derivatives thereof.
- a phosphate for example, as a phosphate, tributyl phosphate, tripentyl phosphate, trihexyl phosphate, triheptyl phosphate, trioctyl phosphate, torinyl phosphate, tridecyl phosphate, triundecyl phosphate, triundecyl phosphate, tritridecyl Phosphate, tritetradecyl phosphate, tripentadecyl phosphate, trihexadecyl phosphate, triheptadecyl phosphate, trioctadecyl phosphate, trioleyl phosphate, triphenyl phosphate, tricresyl phosphate, trixylenyl phosphate, cresyl diphenyl phosphate, xylose Renyl diphenyl phosphate etc. are mentioned.
- acidic phosphoric acid esters examples include monobutyl acid phosphate, monopentyl acid phosphate, monohexyl acid phosphate, monoheptyl acid phosphate, monooctyl acid phosphate, monononyl acid phosphate, monodecyl acid phosphate, monoundecyl acid phosphate and monododecyl acid phosphate.
- Acid phosphate monotridecyl acid phosphate, monotetradecyl acid phosphate, monopentadecyl acid phosphate, monohexadecyl acid phosphate, monoheptadecyl acid phosphate, monooctadecyl acid phosphate, monooleyl acid phosphate, dibutyl acid phosphate, dipentyl acid phosphate , Dihexyla Dop phosphate, diheptyl acid phosphate, dioctyl acid phosphate, dinonyl acid phosphate, didecyl acid phosphate, diundecyl acid phosphate, didodecyl acid phosphate, ditridecyl acid phosphate, ditetradecyl acid phosphate, dipentadecyl acid phosphate, dihexayl acid phosphate
- Examples include decyl acid phosphate, diheptadecyl acid phosphate, dioc
- tributyl phosphorothioate tripentyl phosphorothionate, trihexyl phosphorothionate, triheptyl phosphorothionate, trioctyl phosphorothionate, torinyl phosphorothionate, tridecyl phos Folothionates, triundecyl phorphorothionates, tridodecyl phorphorothionates, tritridecyl phorphorothionates, tritetradecyl phorphorothionates, tripentadecyl phosphorothionates, trihexadecyl phosphorothionates, Triheptadecyl phosphorothioate, trioctadecyl phosphorothionate, trioleyl phosphorothionate, triphenyl phosphorothionate, tricresyl phosphorothionate, tri
- amine salt of the acidic phosphoric acid ester amine salts of an acidic phosphoric acid ester and a primary to tertiary linear or branched alkyl amine having 1 to 24, preferably 5 to 18 carbon atoms can be mentioned.
- the amine constituting the amine salt of the acidic phosphoric acid ester may be linear or branched methylamine, ethylamine, propylamine, butylamine, pentylamine, hexylamine, heptylamine, octylamine, nonylamine, decylamine, undecylamine, dodecyl Amine, tridecylamine, tetradecylamine, pentadecylamine, hexadecylamine, heptadecylamine, octadecylamine, oleylamine, tetracosylamine, dimethylamine, diethylamine, dipropylamine, dipropylamine, dipentylamine, dipentylamine, dihexylamine, dihexylamine Heptylamine, dioctylamine, dinonylamine, didecylamine, diundecylamine, dido
- chlorinated phosphoric esters examples include tris dichloropropyl phosphate, tris chloroethyl phosphate, tris chlorophenyl phosphate, polyoxyalkylene bis [di (chloroalkyl)] phosphate and the like.
- phosphite esters include dibutyl phosphite, dipentyl phosphite, dihexyl phosphite, diheptyl phosphite, dioctyl phosphite, dinonyl phosphite, didecyl phosphite, diundecyl phosphite, didodecyl phosphite, dioleyl ester Phosphite, diphenyl phosphite, dicresyl phosphite, tributyl phosphite, tripentyl phosphite, trihexyl phosphite, triheptyl phosphite, trioctyl phosphite, torinyl phosphite, tridecyl phosphite, triundecyl phosphite And the like.
- the content of the phosphorus compound is not particularly limited, but the whole amount of the refrigerating machine oil (based on the total amount of the base oil and all the compounding additives) And preferably 0.01 to 5.0% by mass, and more preferably 0.02 to 3.0% by mass.
- the said phosphorus compound may be used individually by 1 type, and may use 2 or more types together.
- a terpene compound can be added to the refrigerator oil and the working fluid for the refrigerator according to the present embodiment in order to further improve the heat and chemical stability thereof.
- the “terpene compound” in the present invention means a polymerized compound of isoprene and a derivative thereof, and a 2- to 8-mer of isoprene is preferably used.
- terpene compounds include geraniol, nerol, linalool, citral (including geranial), citronellol, menthol, limonene, terpinenelol, carvone, yonone, touyon, camphor (camphor), mononel such as borneol, farnesene, Farnesol, nerolidol, juvenile hormone, humulene, caliphors, semens such as casalol, casinene, and tutin, geranylgeraniol, phytol, abietic acid, pimaragen, daphnetoxin, diterpenes such as taxol and pimaric acid, geranyl farnesene
- sesterterpenes such as squalene, limonin, cameliagenin, hopane, triterpenes such as lanosterol, tetraterpenes such as carotenoids, etc. That
- terpene compounds monoterpenes, sesquiterpenes and diterpenes are preferable, and sesquiterpenes are more preferable, and ⁇ -farnesene (3,7,11-trimethyldodeca-1,3,6,10-tetraene) and / or ⁇ -farnesene (7,11-Dimethyl-3-methylidenedodeca-1,6,10-triene) is particularly preferred.
- one type of terpene compound may be used alone, or two or more types may be used in combination.
- the content of the terpene compound in the refrigerator oil according to the present embodiment is not particularly limited, but preferably 0.001 to 10% by mass, more preferably 0.01 to 5% by mass, further preferably 0 based on the total amount of the refrigerator oil. .05 to 3% by mass. If the content of the terpene compound is less than 0.001% by mass, the effect of improving the heat and chemical stability tends to be insufficient, and if it exceeds 10% by mass, the lubricity tends to be insufficient. is there.
- the content of the terpene compound in the working fluid for a refrigerator according to the present embodiment is desirably selected so as to fall within the above-described preferable range based on the total amount of the refrigerator oil.
- a phenyl glycidyl ether type epoxy compound an alkyl glycidyl ether type epoxy compound, a glycidyl ester type epoxy compound And at least one epoxy compound selected from an allyl oxirane compound, an alkyl oxirane compound, an alicyclic epoxy compound, an epoxidized fatty acid monoester, and an epoxidized vegetable oil.
- phenyl glycidyl ether or alkyl phenyl glycidyl ether can be illustrated.
- the alkylphenyl glycidyl ether mentioned here includes one having 1 to 3 alkyl groups having 1 to 13 carbon atoms, and among them, one having one alkyl group having 4 to 10 carbon atoms, such as n-butylphenyl glycidyl Ether, i-Butyl phenyl glycidyl ether, sec-butyl phenyl glycidyl ether, tert-butyl phenyl glycidyl ether, pentyl phenyl glycidyl ether, hexyl phenyl glycidyl ether, heptyl phenyl glycidyl ether, octyl phenyl glycidyl
- alkyl glycidyl ether type epoxy compound examples include decyl glycidyl ether, undecyl glycidyl ether, dodecyl glycidyl ether, tridecyl glycidyl ether, tetradecyl glycidyl ether, 2-ethylhexyl glycidyl ether, neopentyl glycol diglycidyl ether, Trimethylolpropane triglycidyl ether, pentaerythritol tetraglycidyl ether, 1,6-hexanediol diglycidyl ether, sorbitol polyglycidyl ether, polyalkylene glycol monoglycidyl ether, polyalkylene glycol diglycidyl ether, etc. can be exemplified.
- glycidyl ester type epoxy compounds include phenyl glycidyl ester, alkyl glycidyl ester, alkenyl glycidyl ester, etc. Preferred are glycidyl-2,2-dimethyloctanoate, glycidyl benzoate and glycidyl acrylate. And glycidyl methacrylate.
- allyl oxirane compound examples include 1,2-epoxystyrene, alkyl-1,2-epoxystyrene and the like.
- alkyl oxirane compound examples include 1,2-epoxybutane, 1,2-epoxypentane, 1,2-epoxyhexane, 1,2-epoxyheptane, 1,2-epoxyoctane, and 1,2- Epoxy nonane, 1,2-epoxydecane, 1,2-epoxyundecane, 1,2-epoxydodecane, 1,2-epoxytridecane, 1,2-epoxytetradecane, 1,2-epoxypentadecane, 1,2- Epoxyhexadecane, 1,2-epoxyheptadecane, 1,1,2-epoxyoctadecane, 2-epoxy nonadecane, 1,2-epoxyicosane and the like can be exemplified.
- alicyclic epoxy compounds include 1,2-epoxycyclohexane, 1,2-epoxycyclopentane, 3,4-epoxycyclohexylmethyl-3,4-epoxycyclohexanecarboxylate, bis (3,4 -Epoxycyclohexylmethyl) adipate, exo-2,3-epoxy norbornane, bis (3,4-epoxy-6-methylcyclohexylmethyl) adipate, 2- (7-oxabicyclo [4.1.0] hept-3- Yl) -Spiro (1,3-dioxane-5,3 ′-[7] oxabicyclo [4.1.0] heptane, 4- (1′-methylepoxyethyl) -1,2-epoxy-2-methyl Examples include cyclohexane, 4-epoxyethyl-1,2-epoxycyclohexane and the like.
- epoxidized fatty acid monoester examples include esters of an epoxidized fatty acid having 12 to 20 carbon atoms with an alcohol or phenol having 1 to 8 carbon atoms, or an alkylphenol.
- esters of an epoxidized fatty acid having 12 to 20 carbon atoms with an alcohol or phenol having 1 to 8 carbon atoms, or an alkylphenol are preferably used.
- butyl, hexyl, benzyl, cyclohexyl, methoxyethyl, octyl, phenyl and butylphenyl esters of epoxystearic acid are preferably used.
- epoxidized vegetable oil examples include epoxy compounds of vegetable oil such as soybean oil, linseed oil and cottonseed oil.
- epoxy compounds preferred are phenyl glycidyl ether type epoxy compounds, alkyl glycidyl ether type epoxy compounds, glycidyl ester type epoxy compounds, and alicyclic epoxy compounds.
- the content of the epoxy compound is not particularly limited, but is 0.01 to 5.0% by mass based on the total amount of the refrigerator oil Is preferably 0.1 to 3.0% by mass.
- the said epoxy compound may be used individually by 1 type, and may use 2 or more types together.
- the kinematic viscosity of the refrigerator oil containing polyhydric alcohol fatty acid ester (A) at 40 ° C. is preferably 20 to 80 mm 2 / s, more preferably 25 to 75 mm 2 / s, and most preferably 30 to 70 mm 2 / s. It can be done.
- the kinematic viscosity at 100 ° C. can be preferably 2 to 20 mm 2 / s, more preferably 3 to 10 mm 2 / s.
- the volume resistivity of the refrigerator oil containing polyhydric alcohol fatty acid ester (A) is not particularly limited, but is preferably 1.0 ⁇ 10 12 ⁇ ⁇ cm or more, more preferably 1.0 ⁇ 10 13 ⁇ ⁇ cm or more Most preferably, it can be 1.0 ⁇ 10 14 ⁇ ⁇ cm or more.
- a volume resistivity means the value in 25 degreeC measured based on JISC 2101 "electrical insulating oil test method".
- the water content of the refrigerator oil containing the polyhydric alcohol fatty acid ester (A) is not particularly limited, but preferably 200 ppm or less, more preferably 100 ppm or less, most preferably 50 ppm or less on the basis of the total amount of refrigerator oil. .
- the water content is required to be small from the viewpoint of the influence on the heat and chemical stability of the refrigerator oil and the electrical insulating property.
- the acid value of the refrigerator oil containing polyhydric alcohol fatty acid ester (A) is not particularly limited, but in order to prevent the corrosion to the metal used in the refrigerator or piping, preferably 0.1 mg KOH / g or less. More preferably, it can be 0.05 mg KOH / g or less.
- the acid value means an acid value measured in accordance with JIS K 2501 "Petroleum products and lubricating oil-one neutralization number test method".
- the ash content of the refrigerator oil containing the polyhydric alcohol fatty acid ester (A) is not particularly limited, but it is preferably 100 ppm or less, more preferably 100 ppm or less, in order to enhance the heat and chemical stability of the refrigerator oil and to suppress the generation of sludge and the like. It can be 50 ppm or less.
- an ash content means the value of the ash content measured based on JISK2272 "the ash and sulfated ash content test method of crude oil and petroleum products.”
- Complex ester oils are esters of fatty acids and dibasic acids with monohydric alcohols and polyols.
- fatty acid dibasic acid, monohydric alcohol and polyol, the same ones as described above can be used.
- dibasic acids examples include oxalic acid, malonic acid, succinic acid, glutaric acid, adipic acid, pimelic acid, suberic acid, azelaic acid, sebacic acid, phthalic acid, isophthalic acid, terephthalic acid and the like.
- the complex esters are esters of these fatty acids, dibasic acids and polyols, and may be single-component or multi-component esters.
- Polyol carbonate ester oil is an ester of carbonic acid and a polyol.
- polyol examples include the same diols and polyols as described above.
- a ring-opening polymer of cyclic alkylene carbonate may be used.
- Ether-Based Refrigerant Oil examples include polyvinyl ether oil and polyoxyalkylene oil.
- Polyvinyl ether oil As polyvinyl ether oil, polymers of vinyl ether monomers, copolymers of vinyl ether monomers and hydrocarbon monomers having olefinic double bonds, co-products of monomers having olefinic double bonds and polyoxyalkylene chains and vinyl ether monomers Polymer etc. are mentioned.
- the carbon / oxygen molar ratio of the polyvinyl ether oil is preferably 2 or more and 7.5 or less, and more preferably 2.5 or more and 5.8 or less.
- the weight average molecular weight of the polyvinyl ether is preferably 200 or more and 3000 or less, more preferably 500 or more and 1500 or less.
- the polyvinyl ether oil preferably has a pour point of ⁇ 30 ° C. or less.
- the polyvinyl ether oil preferably has a surface tension at 20 ° C. of 0.02 N / m or more and 0.04 N / m or less.
- the polyvinyl ether oil preferably has a density at 15 ° C. of 0.8 g / cm 3 or more and 1.8 g / cm 3 or less.
- the polyvinyl ether oil preferably has a saturated water content of 2000 ppm or more at a temperature of 30 ° C. and a relative humidity of 90%.
- polyvinyl ether may be contained as a main component.
- the refrigerant contains HFO-1234yf
- polyvinyl ether which is the main component of the refrigerator oil, has compatibility with the HFO-1234yf, and the kinematic viscosity of the refrigerator oil at 40 ° C. is 400 mm.
- HFO-1234yf dissolves to a certain extent in refrigerator oil as 2 / s or less.
- the pour point of the refrigeration oil is -30 ° C. or less, the flowability of the refrigeration oil can be easily secured even in a portion where the refrigerant composition and the refrigeration oil have low temperatures in the refrigerant circuit.
- the kinematic viscosity at 40 ° C. of the refrigerator oil is 30 mm 2 / s or more, the kinematic viscosity is too low to suppress the oil film strength from being insufficient, and the lubricating performance is easily secured.
- the surface tension of the refrigeration oil at 20 ° C. is 0.02 N / m or more, it is difficult to form small oil droplets in the gas refrigerant in the compressor, and a large amount of refrigeration oil is discharged from the compressor. It can be suppressed. For this reason, it is easy to ensure sufficient storage amount of refrigeration oil in the compressor.
- the saturated water content of the refrigeration oil is 2000 ppm or more at a temperature of 30 ° C./90% relative humidity
- the moisture absorption of the refrigeration oil can be made relatively high.
- HFO-1234yf is contained in the refrigerant
- the water in HFO-1234yf can be trapped to a certain extent by the refrigerator oil.
- HFO-1234yf has a molecular structure that is easily altered / deteriorated due to the influence of the contained water. Therefore, such deterioration can be suppressed by the moisture absorption effect of the refrigeration oil.
- the resin functional component is made of polytetrafluoroethylene, polyphenylene sulfide,
- the aniline point of refrigeration oil is compatible with the resin functional component It is preferable to set the numerical range in consideration of By setting the aniline point in this manner, for example, the compatibility between the bearing constituting the resin functional component and the refrigerator oil is improved.
- a vinyl ether monomer may be used individually by 1 type, and may be used in combination of 2 or more type.
- hydrocarbon monomers having an olefinic double bond include ethylene, propylene, various butenes, various pentenes, various hexenes, various heptenes, various octene, diisobutylene, triisobutylene, styrene, ⁇ -methylstyrene, various alkyl-substituted styrenes, etc. Can be mentioned.
- the hydrocarbon monomer having an olefinic double bond may be used alone or in combination of two or more.
- the polyvinyl ether copolymer may be either a block or random copolymer.
- a polyvinyl ether oil may be used individually by 1 type, and may be used in combination of 2 or more type.
- the polyvinyl ether oil preferably used has a structural unit represented by the following general formula (1).
- R 1 , R 2 and R 3 may be the same or different and each represents a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, and R 4 is a divalent carbon having 1 to 10 carbon atoms
- R 5 is a hydrocarbon group having 1 to 20 carbon atoms
- m is 0 when the average value of m for the polyvinyl ether is 0
- R 1 to R 5 may be the same or different for each structural unit, and in the case where m is 2 or more in one structural unit, a plurality of R 4 may be represented.
- O may be the same or different.
- At least one of R 1 , R 2 and R 3 in the general formula (1) is preferably a hydrogen atom, and particularly preferably all of them are a hydrogen atom.
- m is preferably 0 or more and 10 or less, particularly preferably 0 or more and 5 or less, and more preferably 0.
- R 5 in the general formula (1) represents a hydrocarbon group having 1 to 20 carbon atoms, and specific examples of the hydrocarbon group include a methyl group, an ethyl group, an n-propyl group, an isopropyl group and an n-butyl group.
- alkyl group the cycloalkyl group, the phenyl group, the aryl group and the arylalkyl group
- an alkyl group particularly an alkyl group having 1 to 5 carbon atoms is preferable.
- polyvinyl ether oil polyvinyl ether oil carbon number of R 5 is 1 or 2 alkyl groups: the ratio of the polyvinyl ether oil carbon number of R 5 is an alkyl group of 3 or 4, 40% 60% to 100%: 0% is preferable.
- the polyvinyl ether oil in this embodiment may be a homopolymer having the same structural unit represented by the general formula (1) or may be a copolymer composed of two or more structural units. .
- the copolymer may be either a block copolymer or a random copolymer.
- the polyvinyl ether oil according to the present embodiment may be composed only of the structural unit represented by the above general formula (1), but further includes a structural unit represented by the following general formula (2) It may be a copolymer.
- the copolymer may be either a block copolymer or a random copolymer.
- R 6 to R 9 may be the same or different and each represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- R 6 to R 9 may be the same or different and each represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- R 1, R 2, R 3, R 4, R 5 and m is, R 1, R 2, R 3, R 4, identical to R 5 and m in the definition of each in the general formula (1) Show the contents
- the polyvinyl ether-based compound having a constitutional unit represented by the above general formula (1) can be converted into a desired structure by the method shown in the examples of the present disclosure and the known method.
- Examples of the group to be converted include saturated hydrocarbons, ethers, alcohols, ketones, amides, nitriles and the like.
- R 11 , R 21 and R 31 may be the same as or different from each other, each representing a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, and R 41 is a bivalent having 1 to 10 carbon atoms
- R 51 is a hydrocarbon group having 1 to 20 carbon atoms
- m is an average value of m for polyvinyl ether being 0
- a plurality of R 41 O may be the same or different.
- R 61 , R 71 , R 81 and R 91 may be the same as or different from each other, and each represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- R 12 , R 22 and R 32 may be the same as or different from each other, each representing a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms, and R 42 represents a divalent hydrocarbon having 1 to 10 carbon atoms
- a hydrocarbon group or a divalent ether-bonded oxygen-containing hydrocarbon group having 2 to 20 carbon atoms is shown, R 52 is a hydrocarbon group having 1 to 20 carbon atoms, m is an average value of m for polyvinyl ether being 0 In the case where m is 2 or more, a plurality of R 42 O may be the same or different.
- R 62 , R 72 , R 82 and R 92 may be the same as or different from each other, and each represents a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.
- R 13 , R 23 and R 33 may be the same or different and each represents a hydrogen atom or a hydrocarbon group having 1 to 8 carbon atoms.
- the polyvinyl ether oil in this embodiment can manufacture the above-mentioned monomer by radical polymerization, cationic polymerization, radiation polymerization, etc. After completion of the polymerization reaction, a polyvinyl ether compound having a structural unit represented by the general formula (1) can be obtained by subjecting it to a conventional separation / purification method as required.
- polyoxyalkylene oil examples include polyoxyalkylene compounds obtained by a method of polymerizing an alkylene oxide having 2 to 4 carbon atoms (ethylene oxide, propylene oxide or the like) with water or a hydroxyl group-containing compound as an initiator. Moreover, what etherified or esterified the hydroxyl group of the polyoxyalkylene compound may be used.
- the oxyalkylene units in the polyoxyalkylene oil may be identical in one molecule, and may contain two or more oxyalkylene units. It is preferable that at least an oxypropylene unit is contained in one molecule.
- R 101 represents a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, an acyl group having 2 to 10 carbon atoms, or an aliphatic hydrocarbon group having 1 to 10 carbon atoms having 2 to 6 bonding portions
- R 102 Is an alkylene group of 2 to 4 carbon atoms
- R 103 is a hydrogen atom, an alkyl group of 1 to 10 carbon atoms or an acyl group of 2 to 10 carbon atoms
- 1 is an integer of 1 to 6 and k is an average value of k ⁇ 1 Represents a number of 6 to 80).
- the alkyl group in R 101 and R 103 may be linear, branched or cyclic.
- Specific examples of the alkyl group include methyl group, ethyl group, n-propyl group, isopropyl group, various butyl groups, various pentyl groups, various hexyl groups, various heptyl groups, various octyl groups, various nonyl groups, various decyl groups And a cyclopentyl group and a cyclohexyl group.
- the carbon number of the alkyl group exceeds 10, the compatibility with the refrigerant may be reduced to cause phase separation.
- the carbon number of the preferred alkyl group is 1 to 6.
- the alkyl group portion of the acyl group in R 101 and R 103 may be linear, branched or cyclic.
- various groups having 1 to 9 carbon atoms mentioned as the specific examples of the above-mentioned alkyl group can be mentioned as well.
- the preferred carbon number of the acyl group is 2 to 6.
- R 101 and R 103 When each of R 101 and R 103 is an alkyl group or an acyl group, R 101 and R 103 may be identical to or different from each other.
- a plurality of R 103 in one molecule may be the same or different.
- R 101 is a C 1 to C 10 aliphatic hydrocarbon group having 2 to 6 bonding sites
- this aliphatic hydrocarbon group may be a chain or cyclic one. It is also good.
- the aliphatic hydrocarbon group having two bonding sites include ethylene group, propylene group, butylene group, pentylene group, hexylene group, heptylene group, octylene group, nonylene group, nonylene group, decylene group, cyclopentylene group and cyclohexylene group. Groups and the like.
- an aliphatic hydrocarbon group which has three to six binding site for example, trimethylolpropane, glycerin, pentaerythritol, sorbitol; 1,2,3-trihydroxycyclohexane; 1,3,5-trihydroxycyclohexane And residues obtained by removing hydroxyl groups from polyhydric alcohols.
- the compatibility with the refrigerant may be reduced, and phase separation may occur.
- the preferred carbon number is 2 to 6.
- R 102 in the general formula (9) is an alkylene group having a carbon number of 2 to 4, and examples of the oxyalkylene group of the repeating unit include an oxyethylene group, an oxypropylene group and an oxybutylene group.
- the oxyalkylene group in one molecule may be the same, or two or more oxyalkylene groups may be contained, but one containing at least an oxypropylene unit in one molecule is preferable, and in particular, an oxyalkylene unit Those containing 50 mol% or more of oxypropylene units are preferable.
- l is an integer of 1 to 6 and can be determined according to the number of binding sites of R 101 .
- R 101 is an alkyl group or an acyl group
- l is 1, and when R 101 is an aliphatic hydrocarbon group having 2, 3, 4, 5 and 6 bonding sites, l is 2, 3 respectively. , 4, 5, and 6.
- l is 1 or 2.
- k is preferably a number such that the average value of k ⁇ l is 6 to 80.
- polyoxyalkylene oil is polyoxypropylene diol dimethyl ether represented by the following general formula (10), and poly (oxyethylene / oxypropylene) diol dimethyl ether represented by the following general formula (11). And is a polyoxypropylene diol monobutyl ether represented by the following general formula (12), further a polyoxypropylene diol monomethyl ether represented by the following general formula (13), and the following general formula Poly (oxyethylene / oxypropylene) diol monomethyl ether represented by (14), poly (oxyethylene / oxypropylene) diol monobutyl ether represented by the following general formula (15), represented by the following general formula (16) Polyoxypropylene diol dia Tate is preferable in terms of economy and the like.
- polyoxyalkylene oils may be used alone or in combination of two or more.
- hydrocarbon-Based Refrigerant Oil As a hydrocarbon-based refrigerator oil, for example, alkylbenzene can be used.
- alkylbenzenes branched alkylbenzenes synthesized from propylene polymers and benzene using a catalyst such as hydrogen fluoride, and straight chain alkylbenzenes synthesized from normal paraffin and benzene using the catalyst can be used.
- the carbon number of the alkyl group is preferably 1 to 30, more preferably 4 to 20, from the viewpoint of achieving a viscosity suitable as a lubricant base oil.
- the number of alkyl groups contained in one alkylbenzene molecule is preferably 1 to 4, more preferably 1 to 3 in order to set the viscosity within the set range depending on the carbon number of the alkyl group.
- hydrocarbon-based refrigeration oil circulates with the refrigerant in the refrigeration cycle system.
- Refrigerant oil is most preferably dissolved in the refrigerant, but any refrigerant oil that can be circulated with the refrigerant in the refrigeration cycle system is, for example, refrigerator oil having low solubility (for example, described in Japanese Patent No. 2803451 Even refrigeration oil can be used.
- refrigerator oil having low solubility for example, described in Japanese Patent No. 2803451
- Even refrigeration oil can be used.
- the kinetic viscosity of refrigeration oil be small.
- the kinematic viscosity of the hydrocarbon-based refrigeration oil is preferably from 1 mm 2 / s or more 50 mm 2 / s at 40 ° C., more preferably at most 1 mm 2 / s or more 25 mm 2 / s.
- One of these refrigeration oils may be used alone, or two or more thereof may be used in combination.
- the content of the hydrocarbon-based refrigerator oil in the working fluid for a refrigerator may be, for example, 10 parts by mass or more and 100 parts by mass or less, and 20 parts by mass or more and 50 parts by mass or less with respect to 100 parts by mass of the refrigerant composition. It is more preferable that
- the refrigerator oil may contain one or more additives.
- Additives include acid scavengers, extreme pressure agents, antioxidants, antifoaming agents, oil agents, metal deactivators such as copper deactivators, antiwear agents, and compatibilizers, etc. .
- phenyl glycidyl ether, alkyl glycidyl ether, alkylene glycol glycidyl ether, cyclohexene oxide, ⁇ -olefin oxide, epoxy compounds such as epoxidized soybean oil, carbodiimide and the like can be used.
- phenyl glycidyl ether, alkyl glycidyl ether, alkylene glycol glycidyl ether, cyclohexene oxide and ⁇ -olefin oxide are preferable.
- the alkyl group of the alkyl glycidyl ether and the alkylene group of the alkylene glycol glycidyl ether may have branches.
- the number of carbon atoms may be 3 or more and 30 or less, more preferably 4 or more and 24 or less, and still more preferably 6 or more and 16 or less.
- the ⁇ -olefin oxide may have a total carbon number of 4 or more and 50 or less, more preferably 4 or more and 24 or less, and still more preferably 6 or more and 16 or less.
- the acid scavenger may be used alone or in combination of two or more.
- extreme pressure agent for example, those containing phosphoric acid esters can be used.
- phosphoric acid esters phosphoric acid esters, phosphorous acid esters, acidic phosphoric acid esters, acidic phosphoric acid esters and the like can be used, and phosphoric acid esters, phosphorous acid esters, acidic phosphoric acid esters, and acidic acids It is also possible to use one containing an amine salt of a phosphite.
- Phosphoric esters include triaryl phosphates, trialkyl phosphates, trialkyl aryl phosphates, triaryl alkyl phosphates, trialkenyl phosphates and the like. Furthermore, to specifically list phosphate esters, triphenyl phosphate, tricresyl phosphate, benzyl diphenyl phosphate, ethyl diphenyl phosphate, tributyl phosphate, ethyl dibutyl phosphate, cresyl diphenyl phosphate, dicresyl phenyl phosphate, ethyl phenyl diphenyl phosphate , Diethylphenyl phenyl phosphate, propyl phenyl diphenyl phosphate, dipropyl phenyl phenyl phosphate, triethyl phenyl phosphate, tripropyl phenyl phosphate, butyl pheny
- phosphite esters include triethyl phosphite, tributyl phosphite, triphenyl phosphite, tricresyl phosphite, tri (nonylphenyl) phosphite, tri (2-ethylhexyl) phosphite, tridecyl
- phosphite trilauryl phosphite, triisooctyl phosphite, diphenyl isodecyl phosphite, tristearyl phosphite, trioleyl phosphite and the like.
- acidic phosphoric acid ester examples include 2-ethylhexyl acid phosphate, ethyl acid phosphate, butyl acid phosphate, oleyl acid phosphate, tetracosyl acid phosphate, isodecyl acid phosphate, lauryl acid phosphate and tridecyl acid phosphate.
- acidic phosphoric acid ester examples include 2-ethylhexyl acid phosphate, ethyl acid phosphate, butyl acid phosphate, oleyl acid phosphate, tetracosyl acid phosphate, isodecyl acid phosphate, lauryl acid phosphate and tridecyl acid phosphate.
- stearyl acid phosphate isostearyl acid phosphate and the like.
- acidic phosphite ester examples include dibutyl hydrogen phosphite, dilauryl hydrogen phosphite, dioleyl hydrogen phosphite, distearyl hydrogen phosphite, diphenyl hydrogen phosphite and the like.
- phosphoric esters oleyl acid phosphate and stearyl acid phosphate are preferable.
- disubstituted amine examples include dibutylamine, dipentylamine, dihexylamine, dicyclohexylamine, dioctylamine, dilaurylamine, distearylamine, dioleylamine, dibenzylamine, stearyl monoethanolamine, decyl mono There are ethanolamine, hexyl monopropanol amine, benzyl monoethanolamine, phenyl monoethanolamine, tolyl monopropanol and the like.
- trisubstituted amines include tributylamine, tripentylamine, trihexylamine, tricyclohexylamine, trioctylamine, trilaurylamine, tristearylamine, trioleylamine, tribenzylamine, dioleyl monoethanolamine, Dilauryl monopropanolamine, dioctyl monoethanolamine, dihexyl monopropanolamine, dibutyl monopropanolamine, oleyl diethanolamine, stearyl dipropanolamine, lauryl diethanolamine, octyl dipropanolamine, butyl diethanolamine, benzyl Diethanolamine, phenyl diethanolamine, tolyl dipropanolamine, xylyl diethanolamine Emissions, triethanolamine, there is a tri-propanolamine and the like.
- extreme pressure agent for example, monosulfides, polysulfides, sulfoxides, sulfones, thiosulfinates, sulfurized oil and fat, thiocarbonates, thiophenes, thiazoles, methanesulfonic acid esters
- Extreme pressure agents chlorinated hydrocarbons such as chlorinated paraffin, organochlorine extreme pressure agents such as chlorinated carboxylic acid derivatives, fluorinated aliphatic carboxylic acids, fluorinated ethylene resins, fluorinated alkyl polysiloxanes, fluorine Extreme pressure agents of organic fluorinated type such as fluorinated graphite, extreme pressure agents of alcohol type such as higher alcohol,
- Phenolic antioxidants include 2,6-di-tert-butyl-4-methylphenol (DBPC), 2,6-di-tert-butyl-4-ethylphenol, 2,2'-methylenebis (4) -Methyl-6-tert-butylphenol), 2,4-dimethyl-6-tert-butylphenol, 2,6-di-tert-butylphenol, di-tert-butyl-p-cresol, bisphenol A and the like.
- DBPC 2,6-di-tert-butyl-4-methylphenol
- 2,6-di-tert-butyl-4-ethylphenol 2,2'-methylenebis (4) -Methyl-6-tert-butylphenol
- 2,4-dimethyl-6-tert-butylphenol 2,6-di-tert-butylphenol
- di-tert-butyl-p-cresol bisphenol A and the like.
- amine antioxidants include N, N'-diisopropyl-p-phenylenediamine, N, N'-di-sec-butyl-p-phenylenediamine, phenyl- ⁇ -naphthylamine, N. N'-di-phenyl-p-phenylenediamine, N, N-di (2-naphthyl) -p-phenylenediamine and the like.
- acquires oxygen can also be used for antioxidant.
- a silicon compound can be used, for example.
- oil agent for example, higher alcohols, fatty acids and the like can be used.
- benzotriazole As a metal deactivator such as a copper deactivator, benzotriazole or a derivative thereof can be used.
- zinc dithiophosphate can be used as an antiwear agent.
- the compatibilizer is not particularly limited, can be appropriately selected from generally used compatibilizers, and one kind may be used alone, or two or more kinds may be used.
- the compatibilizer include polyoxyalkylene glycol ethers, amides, nitriles, ketones, chlorocarbons, esters, lactones, aryl ethers, fluoroethers and 1,1,1-trifluoroalkanes.
- polyoxyalkylene glycol ether is particularly preferred.
- load-bearing additives As needed for refrigeration oils, load-bearing additives, chlorine scavengers, detergents and dispersants, viscosity index improvers, heat resistance improvers, stabilizers, corrosion inhibitors, heat resistance improvers, pour point depression It is also possible to add an agent, an antirust agent, etc.
- the blending amount of each additive may be 0.01% by mass or more and 5% by mass or less, and preferably 0.05% by mass or more and 3% by mass or less.
- the mixture ratio of the additive in the working fluid for freezers which united the refrigerant composition and freezer oil is 5 mass% or less, and it is more preferable that it is 3 mass% or less.
- the refrigeration oil preferably has a chlorine concentration of 50 ppm or less, and preferably has a sulfur concentration of 50 ppm or less.
- FIG. 1 shows an example of the refrigerant circuit 10 of the air conditioning apparatus 1 which is a refrigeration cycle apparatus.
- the air conditioner 1 is a device used for cooling and / or heating a room by performing a vapor compression refrigeration cycle operation.
- the air conditioner 1 mainly includes an outdoor unit 2, an indoor unit 3, and a liquid side refrigerant communication pipe 9 and a gas side refrigerant communication pipe 8 that connect the outdoor unit 2 and the indoor unit 3.
- the refrigerant circuit 10 of the air conditioner 1 includes a compressor 4, an outdoor heat exchanger 5, an expansion valve 6, and an indoor heat exchanger 7. These are a liquid side refrigerant communication pipe 9 and a gas side refrigerant communication pipe
- the compression type refrigerant circuit is configured by being connected by the other refrigerant pipes.
- the air conditioning apparatus 1 includes a microcomputer, a memory, and the like, and includes a control unit for driving and controlling various actuators.
- a working fluid for a refrigerator which contains the above-described refrigerant composition that is the refrigerant and a refrigerator oil, is sealed.
- the indoor unit 3 is installed on the ceiling surface or wall surface of the room, and is connected to the outdoor unit 2 via the liquid side refrigerant communication pipe 9 and the gas side refrigerant communication pipe 8. A part of the circuit 10 is configured. A plurality of indoor units 3 may be connected in parallel in the refrigerant circuit 10.
- the indoor unit 3 has an indoor heat exchanger 7 and an indoor fan 13.
- the indoor heat exchanger 7 is not particularly limited, and is constituted of, for example, a heat transfer tube and a large number of fins.
- the indoor heat exchanger 7 functions as a refrigerant evaporator during cooling operation to cool room air, and functions as a refrigerant condenser during heating operation to warm room air.
- the indoor fan 13 sucks indoor air into the indoor unit 3 and exchanges heat with the refrigerant in the indoor heat exchanger 7 to generate an air flow to be supplied into the room as supply air.
- the indoor fan 13 has an indoor fan motor.
- the outdoor unit 2 is installed outdoors, and is connected to the indoor unit 3 via the liquid side refrigerant communication pipe 9 and the gas side refrigerant communication pipe 8.
- the outdoor unit 2 includes a compressor 4, an outdoor heat exchanger 5, an outdoor fan 12, an expansion valve 6, an accumulator 11, a four-way switching valve 10, a liquid side shutoff valve 14, a gas side shutoff valve 15, and the like.
- the compressor 4 is a positive displacement compressor or the like driven by a compressor motor.
- the compressor motor may be driven by, for example, receiving power supply via an inverter device (not shown).
- the outdoor heat exchanger 5 is not particularly limited, and is constituted of, for example, a heat transfer pipe and a large number of fins.
- the outdoor heat exchanger 5 functions as a refrigerant condenser during cooling operation, and functions as a refrigerant evaporator during heating operation.
- the outdoor fan 12 sucks the outdoor air into the outdoor unit 2 and exchanges heat with the refrigerant in the outdoor heat exchanger 5 to generate an air flow to be discharged to the outdoor.
- the outdoor fan 12 has an outdoor fan motor.
- the expansion valve 6 can adjust the pressure of the passing refrigerant by adjusting the valve opening degree.
- the accumulator 11 is provided on the suction side of the compressor 4 in the range from the four-way switching valve 10 to the compressor 4 and separates the refrigerant in the liquid state from the refrigerant in the gas state.
- the four-way switching valve 10 switches the connection state to connect the discharge side of the compressor 4 and the outdoor heat exchanger 5 while connecting the downstream side of the accumulator 11 and the gas side shut-off valve 15. And the heating operation connection state in which the downstream side of the accumulator 11 and the outdoor heat exchanger 5 are connected while connecting the discharge side of the compressor 4 and the gas side shut-off valve 15.
- the liquid side shutoff valve 14 and the gas side shutoff valve 15 are valves provided at connection ports with external devices and pipes (specifically, the liquid side refrigerant communication pipe 5 and the gas side refrigerant communication pipe 6).
- the four-way switching valve 10 is in the cooling operation connection state during the cooling operation, and the high-temperature high-pressure refrigerant discharged from the compressor 4 functions as a condenser of the refrigerant
- the refrigerant is condensed in the outdoor heat exchanger 5 and depressurized when passing through the expansion valve 6, and is supplied to the gas side of the indoor unit 3 through the liquid side refrigerant communication pipe 9.
- the refrigerant supplied to the indoor unit 3 is evaporated in the indoor heat exchanger 7 functioning as a refrigerant evaporator, and is sucked into the compressor 4 through the accumulator 11 of the outdoor unit 2 through the gas side refrigerant communication pipe 8 Be done.
- the four-way switching valve 10 is in the heating operation connection state, and the high-temperature and high-pressure refrigerant discharged from the compressor 4 is the indoor unit 3 via the gas-side refrigerant communication pipe 8. Sent to the gas side of the The refrigerant sent to the indoor unit 3 is condensed in the indoor heat exchanger 7 functioning as a condenser of the refrigerant, and is sent to the expansion valve 6 of the outdoor unit 2 via the liquid side refrigerant communication pipe 9. The refrigerant decompressed when passing through the expansion valve 6 evaporates in the outdoor heat exchanger 5 functioning as an evaporator of the refrigerant, and is sucked into the compressor 4 through the accumulator 11.
- the refrigeration cycle apparatus is not particularly limited.
- a cooling device etc. it is used especially preferably in a refrigerator which has a closed type compressor especially.
- each refrigeration oil of this embodiment can be used also as a compressor of any type, such as a reciprocating type, a rotary type, and a centrifugal type.
- the refrigerator oil of the present embodiment is used as a working fluid for a refrigerator mixed with a refrigerant composition.
- Refrigerant refers to a refrigerant number (ASHRAE) defined by ISO 817 (International Organization for Standardization) and representing a type of refrigerant. At least the compounds numbered are included, and even if the refrigerant number is not yet numbered, those having the same characteristics as the refrigerants are included. Refrigerants are roughly classified into “fluorocarbon compounds” and “nonfluorocarbon compounds” in terms of the structure of the compounds.
- the “fluorocarbon compounds” include chlorofluorocarbons (CFCs), hydrochlorofluorocarbons (HCFCs) and hydrofluorocarbons (HFCs).
- Examples of the “non-fluorocarbon compound” include propane (R290), propylene (R1270), butane (R600), isobutane (R600a), carbon dioxide (R744), ammonia (R717) and the like.
- the “refrigerant” also includes a mixture of a plurality of refrigerants.
- refrigerant composition includes the refrigerant itself (including a mixture of refrigerants) and other components, and is distinguished from the refrigerant itself (including a mixture of refrigerants).
- refrigerant composition includes a composition that can be used to obtain a working fluid for a refrigerator by mixing with at least a refrigerator oil.
- working fluid for refrigerator includes a composition containing a refrigerant composition and a refrigerator oil, and is distinguished from “refrigerant composition”, “refrigerant oil-containing working fluid” It may be written as
- coolant can be used as a term which contains at least 3 aspect of a "refrigerant
- the term "alternate” is used in the context of "substituting" a first refrigerant with a second refrigerant, to operate using the first refrigerant as a first type
- the second refrigerant is used only by changing and adjusting the number of parts (at least one of refrigerator oil, gasket, packing, expansion valve, dryer and other parts) as needed. Mean that they can be operated under optimum conditions. That is, this type refers to operating the same device with "substituting" the refrigerant.
- this type of “alternate” “drop in alternative”, “nearly drop in” There may be nealy drop in 'and' retrofit '.
- the term "refrigerator” refers to any device that maintains a temperature lower than ambient air and maintains this low temperature by removing heat from objects or space.
- the refrigerator in order to transfer heat from the low temperature side to the high temperature side, the refrigerator refers to a conversion device that obtains energy from the outside, performs work and converts energy.
- the refrigerant being "WCF slight burn” means that the burning rate is 10 cm / s or less in the most flammable composition (WCF) according to the US ANSI / ASHRAE 34-2013 standard.
- that the refrigerant is "ASHRAE slight burn” means that the burning rate of WCF is 10 cm / s or less, and storage, transport, and use based on ANSI / ASHRAE 34-2013 using WCF.
- the most flammable fraction composition (Worst case of fractionation for flammability; WCFF) specified by conducting the leakage test has a burning rate of 10 cm / s or less and the flammability classification of US ANSI / ASHRAE 34-2013 is “ It means that it will be judged as "2L class”.
- RCL refrigerant concentration limit
- Temperature Glide refers to the absolute value of the difference between the onset temperature and the end temperature of the phase change process of the disclosed refrigerant composition in the heat exchanger of the refrigerant system.
- the refrigerant of the present disclosure can be preferably used as a working fluid in a refrigerator.
- compositions of the present disclosure are suitable for use as substitutes for HFC refrigerants such as R410A, R407C and R404A, and HCFC refrigerants such as R22.
- the refrigerant composition of the present disclosure contains at least the refrigerant of the present disclosure and can be used for the same application as the refrigerant of the present disclosure.
- the refrigerant composition of the present disclosure can be used to obtain a working fluid for a refrigerator by further mixing with at least a refrigerator oil.
- the refrigerant composition of the present disclosure further contains at least one other component in addition to the refrigerant of the present disclosure.
- the refrigerant composition of the present disclosure may optionally contain at least one of the following other components.
- the refrigerant compositions of the present disclosure are preferably substantially free of refrigeration oil.
- the refrigerant composition of the present disclosure preferably has a refrigerator oil content of 0 to 1% by mass, more preferably 0 to 0.1% by mass, based on the entire refrigerant composition.
- the refrigerant composition of the present disclosure may contain a trace amount of water.
- the water content of the refrigerant composition is preferably 0.1% by mass or less based on the entire refrigerant.
- the intramolecular double bond of the unsaturated fluorocarbon compound which may be contained in the refrigerant is stabilized, and oxidation of the unsaturated fluorocarbon compound is also less likely to occur.
- the stability of the refrigerant composition is improved.
- the tracer is added to the refrigerant composition of the present disclosure at a detectable concentration so that when the refrigerant composition of the present disclosure is diluted, contaminated, or any other change can be traced. Be done.
- the refrigerant composition of the present disclosure may contain one type alone or two or more types as a tracer.
- the tracer is not particularly limited, and can be appropriately selected from generally used tracers.
- a compound that can not be an impurity that is inevitably mixed in the refrigerant of the present disclosure is selected as a tracer.
- tracers examples include hydrofluorocarbons, hydrochlorofluorocarbons, chlorofluorocarbons, hydrochlorocarbons, fluorocarbons, deuterated hydrocarbons, deuterated hydrofluorocarbons, perfluorocarbons, fluoroethers, fluoroethers, brominated compounds, iodinated compounds, alcohols, Aldehydes, ketones, nitrous oxide (N2O) and the like can be mentioned.
- hydrofluorocarbons As a tracer, hydrofluorocarbons, hydrochlorofluorocarbons, chlorofluorocarbons, hydrochlorocarbons, fluorocarbons and fluoroethers are particularly preferred.
- the following compounds are preferable.
- FC-14 Tetrafluoromethane, CF 4 ) HCC-40 (chloromethane, CH 3 Cl) HFC-23 (trifluoromethane, CHF 3 ) HFC-41 (fluoromethane, CH 3 Cl) HFC-125 (pentafluoroethane, CF 3 CHF 2 ) HFC-134a (1,1,1,2-tetrafluoroethane, CF 3 CH 2 F) HFC-134 (1,1,2,2-tetrafluoroethane, CHF 2 CHF 2 ) HFC-143a (1,1,1-trifluoroethane, CF 3 CH 3 ) HFC-143 (1,1,2-trifluoroethane, CHF 2 CH 2 F) HFC-152a (1,1-difluoroethane, CHF 2 CH 3 ) HFC-152 (1,2-difluoroethane, CH 2 FCH 2 F) HFC-161 (Fluoroethane, CH 3 CH 2 F
- the tracer compound may be present in the refrigerant composition at a total concentration of about 10 parts per million (ppm) to about 1000 ppm.
- the tracer compound is present in the refrigerant composition at a total concentration of about 30 ppm to about 500 ppm, and most preferably, the tracer compound is present in the refrigerant composition at a total concentration of about 50 ppm to about 300 ppm.
- the refrigerant composition of the present disclosure may contain one kind alone, or may contain two or more kinds.
- the ultraviolet fluorescent dye is not particularly limited, and can be appropriately selected from ultraviolet fluorescent dyes generally used.
- UV fluorescent dyes include, for example, naphthalimide, coumarin, anthracene, phenanthrene, xanthene, thioxanthene, naphthoxanthene and fluorescein, and derivatives thereof.
- the ultraviolet fluorescent dye either or both of naphthalimide and coumarin are particularly preferable.
- the refrigerant composition of the present disclosure may contain one kind alone or two or more kinds as a stabilizer.
- the stabilizer is not particularly limited, and can be appropriately selected from generally used stabilizers.
- a stabilizer As a stabilizer, a nitro compound, ethers, amines etc. are mentioned, for example.
- nitro compound examples include aliphatic nitro compounds such as nitromethane and nitroethane, and aromatic nitro compounds such as nitrobenzene and nitrostyrene.
- ethers examples include 1,4-dioxane and the like.
- amines examples include 2,2,3,3,3-pentafluoropropylamine, diphenylamine and the like.
- the content ratio of the stabilizer is not particularly limited, and usually 0.01 to 5% by mass is preferable, and 0.05 to 2% by mass is more preferable with respect to the whole refrigerant.
- the refrigerant composition of the present disclosure may contain one kind alone, or two or more kinds as a polymerization inhibitor.
- the polymerization inhibitor is not particularly limited, and can be appropriately selected from commonly used polymerization inhibitors.
- polymerization inhibitor examples include 4-methoxy-1-naphthol, hydroquinone, hydroquinone methyl ether, dimethyl-t-butylphenol, 2,6-di-tert-butyl-p-cresol, benzotriazole and the like.
- the content ratio of the polymerization inhibitor is not particularly limited, and is usually preferably 0.01 to 5% by mass, and more preferably 0.05 to 2% by mass, with respect to the entire refrigerant.
- the refrigerator oil-containing working fluid of the present disclosure contains at least the refrigerant or the refrigerant composition of the present disclosure and a refrigerator oil, and is used as a working fluid in a refrigerator.
- the refrigerator oil-containing working fluid of the present disclosure is obtained by mixing the refrigerator oil used in the compressor of the refrigerator and the refrigerant or the refrigerant composition with each other.
- the refrigeration oil-containing working fluid generally contains 10 to 50% by mass of refrigeration oil.
- refrigeration oil described in a column of (2) refrigeration oil may contain one sort alone, and may contain two or more sorts.
- the refrigerator oil may contain the additive described in the column of (2-3) Additive.
- the following descriptions of the refrigerant A, the refrigerant B, the refrigerant C, the refrigerant D, and the refrigerant E are independent of one another, and alphabets indicating points and line segments, numbers of examples, and numbers of comparative examples are all
- the refrigerant A, the refrigerant B, the refrigerant C, the refrigerant D, and the refrigerant E are independent of each other.
- the first embodiment of the refrigerant A and the first embodiment of the refrigerant B show different embodiments.
- Refrigerant A of the present disclosure includes trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123) and 2,3,3,3-tetrafluoro-1-propene (R1234yf). Is a mixed refrigerant containing
- the refrigerant A of the present disclosure has desirable characteristics as an R410A alternative refrigerant, having the same refrigeration capacity and coefficient of performance as the R410A, and the GWP is sufficiently small.
- the refrigerant A of the present disclosure may be a composition containing HFO-1132 (E) and R1234yf, and optionally HFO-1123, and may further satisfy the following requirements.
- This refrigerant also has desirable characteristics as an R410A alternative refrigerant, having the same refrigeration capacity and coefficient of performance as R410A, and having a sufficiently small GWP.
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point G (72.0, 28.0, 0.0), Point I (72.0, 0.0, 28.0), Point A (68.6, 0.0, 31.4), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point D (0.0, 80.4, 19.6), Point C '(19.5, 70.5, 10.0) and point C (32.9, 67.1, 0.0)
- the line segment AA ′ is The line segment AA ′ is The
- the refrigerant of the present disclosure not only has a refrigeration capacity ratio of 85% or more based on R410A and a COP ratio of 92.5% or more based on R410A when the above requirements are satisfied, and further, it is further specified by ASHRAE. It shows WCF slight flammability (burn rate of WCF composition is 10 cm / s or less).
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-1123, where x, y and z are mass% of HFO-1132 (E) HFO-1123 and R1234yf based on the total of these.
- x, y and z are mass% of HFO-1132 (E) HFO-1123 and R1234yf based on the total of these.
- coordinates (x, y, z) Point J (47.1, 52.9, 0.0), Point P (55.8, 42.0, 2.2), Point N (68.6, 16.3, 15.1), Point K (61.3, 5.4, 33.3), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point D (0.0, 80.4, 19.6), Point C '(19.5, 70.5, 10.0) and point C (32.9, 67.1, 0.0)
- the refrigerant of the present disclosure not only has a refrigeration capacity ratio of 85% or more based on R410A and a COP ratio of 92.5% or more based on R410A when the above requirements are satisfied, and further, it is further specified by ASHRAE. It shows slight flammability (2 L class (burning rate of WCF composition and WCFF composition is 10 cm / s or less)).
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point J (47.1, 52.9, 0.0), Point P (55.8, 42.0, 2.2), Point L (63.1, 31.9, 5.0), Point M (60.3, 6.2, 33.5), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point D (0.0, 80.4, 19.6), Point C '(19.5, 70.5, 10.0) and point C (32.9, 67.1, 0.0)
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 85% or more based on R410A and a COP ratio of 92.5% or more based on R410A when the above requirements are satisfied, and further, the RCL is 40 g / m 3 or more.
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point P (55.8, 42.0, 2.2), Point L (63.1, 31.9, 5.0), Point M (60.3, 6.2, 33.5), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point F (0.0, 61.8, 38.2) and point T (35.8, 44.9, 19.3)
- the line segment PL is Coordinates (x, -0.1135x 2 + 12.112x- 280.43
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 85% or more based on R410A and a COP ratio based on R410A of 95% or more when the above requirements are satisfied, and further, the RCL is 40 g / l. m 3 or more.
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point P (55.8, 42.0, 2.2), Point L (63.1, 31.9, 5.0), Point Q (62.8, 29.6, 7.6) and Point R (49.8, 42.3, 7.9)
- coordinates (x, y, z) are Point P (55.8, 42.0, 2.2), Point L (63.1, 31.9, 5.0), Point Q (62.8, 29.6, 7.6) and Point R (49.8, 42.3, 7.9)
- the line segment PL is Coordinates (x, -0.1135x 2 + 12.112x- 280.43, 0.1135x 2 -13.112x + 380.43)
- Represented by The line segment RP is The coordinates (x, 0.0067x 2 -0.7607x
- the refrigerant of the present disclosure has a COP ratio of 95% or more based on R410A when the above requirements are satisfied, and not only an RCL of 40 g / m 3 or more but also a condensation temperature glide of 1 ° C. or less .
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point S (62.6, 28.3, 9.1), Point M (60.3, 6.2, 33.5), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point F (0.0, 61.8, 38.2) and point T (35.8, 44.9, 19.3)
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 85% or more based on R410A, a COP ratio based on R410A of 95% or more, and RCL of 40 g / m 3 or more when the above requirements are satisfied. Not only that, the discharge pressure ratio based on R410A is 105% or less.
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point d (87.6, 0.0, 12.4), Point g (18.2, 55.1, 26.7), Point h (56.7, 43.3, 0.0) and point O (100.0, 0.0, 0.0)
- the line segment dg is Coordinates (0.0047y 2 -1.5177y + 87.598, y, -0.0047y 2 + 0.5177y + 12.402) Represented by The
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point l (72.5, 10.2, 17.3), Point g (18.2, 55.1, 26.7), Point h (56.7, 43.3, 0.0) and point i (72.5, 27.5, 0.0)
- the line segment lg is Coordinates (0.0047y 2 -1.5177y + 87.598, y, -0.0047y 2 + 0.5177y + 12.402) Represented by The line segment gh is Coordinates (0.0047y 2 -1.5177y + 87.598, y, -0.0047y 2 + 0.5177y + 12.402) Represented by The line segment gh is Coordinates (0.0047y 2 -1.5177y + 87.598, y, -0.0047y 2
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 92.5% or more based on R410A and a COP ratio based on R410A of 92.5% or more when the above requirements are satisfied, and further, it is further specified by ASHRAE. Indicates slight flammability (2 L class).
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point d (87.6, 0.0, 12.4), Point e (31.1, 42.9, 26.0), Point f (65.5, 34.5, 0.0) and point O (100.0, 0.0, 0.0)
- the line segment de is Coordinates (0.0047y 2 -1.5177y + 87.598, y, -0.0047y 2 + 0.5177y + 12.402) Represented by The line segment ef is Coordinates (0.0047y 2 -1.5177y + 87.598, y, -0.0047y 2 + 0.5177y + 12.402) Represented by The line segment ef is Coordinates (0.0047y 2 -1.5177y + 87.598, y, -0.0047y 2 +
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point l (72.5, 10.2, 17.3), Point e (31.1, 42.9, 26.0), Point f (65.5, 34.5, 0.0) and point i (72.5, 27.5, 0.0)
- the line segment LE is Coordinates (0.0047y 2 -1.5177y + 87.598, y, -0.0047y 2 + 0.5177y + 12.402) Represented by The line segment ef
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 93.5% or more based on R410A and a COP ratio based on R410A of 93.5% or more when the above requirements are satisfied, and further, it is further specified in ASHRAE standard. Indicates slight flammability (2 L class).
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point a (93.4, 0.0, 6.6), Point b (55.6, 26.6, 17.8), Point c (77.6, 22.4, 0.0) and point O (100.0, 0.0, 0.0)
- the line segment ab is Coordinates (0.0052y 2 -1.5588y + 93.385, y,-0.0052y 2 + 0.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 95% or more based on R410A and a COP ratio based on R410A of 95% or more when the above requirements are satisfied.
- the refrigerant A of the present disclosure is HFO-1132 (E), HFO-, where x, y and z are mass% based on the total of HFO-1132 (E), HFO-1123 and R1234yf, respectively.
- coordinates (x, y, z) are Point k (72.5, 14.1, 13.4), Point b (55.6, 26.6, 17.8) and point j (72.5, 23.2, 4.3)
- coordinates (x, y, z) are Point k (72.5, 14.1, 13.4), Point b (55.6, 26.6, 17.8) and point j (72.5, 23.2, 4.3)
- coordinates (x, y, z) are Point k (72.5, 14.1, 13.4), Point b (55.6, 26.6, 17.8) and point j (72.5, 23.2, 4.3)
- Within the range of the figure bounded by the line segments kb, bj and jk connecting the three points of The line segment kb is Coordinates (0.0052y 2
- the line segment bj is Coordinates (-0.0032z 2 -1.1791z + 77.593, 0.0032z 2 + 0.1791z + 22.407, z) It is preferable that the line segment jk is a straight line.
- the refrigerant of the present disclosure not only has a refrigeration capacity ratio of 95% or more based on R410A and a COP ratio based on R410A of 95% or more when the above requirements are satisfied, and further, it is further specified by ASHRAE. Indicates slight flammability (2 L class).
- the refrigerant A of the present disclosure may further contain other additional refrigerants in addition to HFO-1132 (E), HFO-1123 and R1234yf, as long as the above-described properties and effects are not impaired.
- the refrigerant of the present disclosure preferably contains 99.5% by mass or more, more preferably 99.75% by mass or more, of the total of HFO-1132 (E), HFO-1123 and R1234yf with respect to the entire refrigerant. It is more preferable to contain 99.9 mass% or more.
- the refrigerant A of the present disclosure may contain 99.5 mass% or more, 99.75 mass% or more, of the total of HFO-1132 (E), HFO-1123 and R1234yf with respect to the entire refrigerant. And may further contain 99.9% by mass or more.
- the additional refrigerant is not particularly limited and can be widely selected.
- the mixed refrigerant may contain one kind alone as an additional refrigerant, or may contain two or more kinds.
- Example of refrigerant A Below, the Example of the refrigerant
- the refrigerant B is not limited to these examples.
- the refrigeration capacity of a composition containing a mixture of R410A and HFO-1132 (E), HFO-1123, R1234yf is determined using the National Institute of Science and Technology (NIST) Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0). It calculated
- HFO-1132 (E), HFO-1123 and HFO-1123 and HFO-1123 and HFO-1123 and HFO-1123 and H1234b, respectively, are represented by x, y and z, respectively.
- coordinates (x, y, z) are Point A (68.6, 0.0, 31.4), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point D (0.0, 80.4, 19.6), Point C '(19.5, 70.5, 10.0), Point C (32.9, 67.1, 0.0) and point O (100.0, 0.0, 0.0)
- the line segment AA ′ is The coordinates (x, 0.0016x 2 -0.9473x + 57.497 ,
- the point on the line segment AA ′ was determined by finding an approximate curve connecting three points of the point A, the example 1, and the point A ′ by the least square method.
- the point on the line segment A′B was determined by finding an approximate curve connecting the three points of the point A ′, the example 3 and the point B by the least square method.
- the point on the line segment DC ′ was determined by finding an approximate curve connecting the three points of the point D, the example 6, and the point C ′ by the least square method.
- the point on line segment C'C was determined by calculating
- the coordinates (x, y, z) are Point A (68.6, 0.0, 31.4), Point A '(30.6, 30.0, 39.4), Point B (0.0, 58.7, 41.3), Point F (0.0, 61.8, 38.2), Point T (35.8, 44.9, 19.3), Point E (58.0, 42.0, 0.0) and point O (100.0, 0.0, 0.0)
- the line segment AA ′ is The coordinates (x, 0.0016x 2 -0.9473x + 57.497 , -0.0016x 2 -0.0527x + 42.503) Represented by The line segment A'B is Coordinates (x, 0.0029x 2 -1.0268x + 58.7 , -0.0029x 2 + 0.0268x + 41.3) Represented by The line segment FT is
- the points on the line segment FT were determined by finding an approximate curve connecting the three points T, E 'and F by the least squares method.
- the points on the line segment TE were determined by finding an approximate curve connecting the three points E, R and T by the least square method.
- R1234yf contributes to the reduction of flammability and the suppression of deterioration such as polymerization, and it is preferable to include this.
- the burning rate was measured according to the ANSI / ASHRA 34-2013 standard, with the mixed composition as the WCF concentration.
- the one with a burning rate of 10 cm / s or less is considered as "2 L class (slight flammability)".
- the burning rate test was done as follows using the apparatus shown in FIG. In FIG. 2, 901 indicates a sample cell, 902 indicates a high-speed camera, 903 indicates a xenon lamp, 904 indicates a collimating lens, 905 indicates a collimating lens, and 906 indicates a ring filter.
- the mixed refrigerant used was 99.5% or more pure and degassed by repeated cycles of freezing, pumping and thawing until no traces of air were visible on the vacuum gauge.
- the burning rate was measured by the closure method. The initial temperature was ambient temperature. Ignition was performed by creating an electrical spark between the electrodes at the center of the sample cell.
- the duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J.
- the spread of the flame was visualized using Schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two acrylic windows for transmitting light was used as a sample cell, and a xenon lamp was used as a light source.
- Schlieren images of flames were recorded with a high speed digital video camera at a framing rate of 600 fps and stored on a PC.
- the WCFF concentration was determined by performing leakage simulation according to NIST Standard Reference Data Base Refleak Version 4.0 with the WCF concentration as the initial concentration.
- the line segment PN is Coordinates (x, -0.1135x 2 + 12.112x- 280.43, 0.1135x 2 -13.112x + 380.43) Represented by
- the line segment NK is Coordinates (x, 0.2421x 2 -29.955x + 931.91, -0.2421x 2 + 28.955x-831.91) It is represented by.
- the point on the line segment PN was determined by finding an approximate curve connecting the three points P, L, and N by the least squares method.
- the point on the line segment NK was determined by finding an approximate curve connecting the three points of the point N, the point N 'and the point K by the least square method.
- the refrigerant B of the present disclosure is 99.5 mass% or more of the total of trans-1,2-difluoroethylene (HFO-1132 (E)) and trifluoroethylene (HFO-1123) with respect to the whole of the refrigerant, and the refrigerant is HFO- Or a mixed refrigerant containing 62.0% by mass to 72.0% by mass or 45.1% by mass to 47.1% by mass of 1132 (E) based on the whole of the refrigerant, or
- the total of HFO-1132 (E) and HFO-1123 is 99.5 mass% or more with respect to the whole of the refrigerant, and the refrigerant contains 40.1 mass% of HFO-1132 (E) with respect to the whole of the refrigerant It is a mixed refrigerant containing ⁇ 47.1% by mass.
- the refrigerant B of the present disclosure has (1) a coefficient of performance equivalent to R410A, (2) refrigeration capacity equivalent to R410A, (3) sufficiently small GWP, and (4) ASHRAE standard. It has desirable characteristics as a R410A alternative refrigerant, that is, it is slightly flammable (2 L class).
- the refrigerant B of the present disclosure is a WCF slight-combustible if it is a mixed refrigerant containing 72.0% by mass or less of HFO-1132 (E).
- the refrigerant B of the present disclosure is a composition containing HFO-1132 (E) at 47.1% or less, and is a “2 L class” which is a slightly flammable refrigerant according to ASHRAE standards with WCF slight combustion and WCFF slight combustion, and handling is even easier It becomes.
- the refrigerant B of the present disclosure contains 62.0% by mass or more of HFO-1132 (E)
- the coefficient of performance coefficient based on R410A is more excellent at 95% or more, and HFO-1132 (E) and / or Or, the polymerization reaction of HFO-1123 is further suppressed, and the stability becomes more excellent.
- the refrigerant B of the present disclosure contains 45.1% by mass or more of HFO-1132 (E)
- the coefficient of performance coefficient based on R410A is more excellent at 93% or more, and HFO-1132 (E) and / or Or, the polymerization reaction of HFO-1123 is further suppressed, and the stability becomes more excellent.
- the refrigerant B of the present disclosure may further contain other additional refrigerants in addition to HFO-1132 (E) and HFO-1123 as long as the above-described properties and effects are not impaired.
- the refrigerant B of the present disclosure more preferably contains the total of HFO-1132 (E) and HFO-1123 at 99.75 mass% or more, further preferably 99.9 mass% or more with respect to the entire refrigerant.
- the additional refrigerant is not particularly limited and can be widely selected.
- the mixed refrigerant may contain one kind alone as an additional refrigerant, or may contain two or more kinds.
- Example of refrigerant B Below, the Example of the refrigerant
- a mixed refrigerant was prepared by mixing HFO-1132 (E) and HFO-1123 in mass% (mass%) shown in Table 37 and Table 38, respectively, based on the total of them.
- IPCC Intergovernmental Panel on Climate Change
- the refrigeration capacity of a composition containing a mixture of R410A and HFO-1132 (E) and HFO-1123 is as follows using the National Institute of Science and Technology (NIST) Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) It calculated
- composition of each mixture is WCF, and NIST Standard Reference Data Base Version under the condition of Equipment, Storage, Shipping, Leak, and Recharge according to ASHRAE 34-2013 standard.
- a leak simulation was performed according to 4.0, and the most flammable fraction was WCFF.
- GWP, COP and refrigeration capacity calculated based on these results are shown in Tables 1 and 2.
- the ratio COP and the specific refrigeration capacity are shown relative to R410A.
- the coefficient of performance (COP) was determined by the following equation.
- the flammability was measured according to the ANSI / ASHRAE 34-2013 standard. If the burning rate is 10 cm / s or less for both WCF and WCFF, it is considered as "2 L class (slight flammability)".
- the burning rate test was conducted as follows using the apparatus shown in FIG. First, the mixed refrigerant used was 99.5% or more pure and degassed by repeated cycles of freezing, pumping and thawing until no traces of air were visible on the vacuum gauge. The burning rate was measured by the closure method. The initial temperature was ambient temperature. Ignition was performed by creating an electrical spark between the electrodes at the center of the sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using Schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two acrylic windows for transmitting light was used as a sample cell, and a xenon lamp was used as a light source.
- Schlieren images of flames were recorded with a high speed digital video camera at a framing rate of 600 fps and stored on a PC.
- Refrigerant C of the present disclosure includes trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123) and 2,3,3,3-tetrafluoro-1-propene (R1234yf). And difluoromethane (R32), which further satisfy the following requirements.
- the refrigerant C of the present disclosure has desirable characteristics as an R410A alternative refrigerant, having a refrigeration capacity and a coefficient of performance equivalent to that of R410A, and having a sufficiently small GWP.
- the refrigerant C of the present disclosure is HFO-1132, where the mass% of HFO-1132 (E), HFO-1123 and R1234yf, and R32 based on the total of these is x, y and z, and a, respectively.
- Point A (0.0107a 2 -1.9142a + 68.305, 0.0, -0.0107a 2 + 0.9142a + 31.695)
- Point B (0.0, 0.009a 2 -1.6045a + 59.318, -0.009a 2 + 0.6045a + 40.682)
- the point W (0.0, 100.0-a, 0.0)
- GI, IA, AB, BW and WG respectively connecting the five points of the above, or on the straight lines GI and AB (however, points G, I, except)
- Point G (0.0111a 2 -1.3152a + 68.986,-0.0111a 2 + 0.3152a + 31.014, 0.0)
- Point I (0.0111a 2 -1.3152a + 68.986, 0.0,-0.0111a 2 + 0.3152a + 31.014)
- Point A (0.0103a 2 -1.9225a + 68.793, 0.0, -0.0103a
- the refrigerant C of the present disclosure is HFO-1132 (E), HFO- when the mass% of HFO-1132 (E), HFO-1123 and R1234yf based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are When 0 ⁇ a ⁇ 11.1
- Point J (0.0049a 2 -0.9645a + 47.1, -0.0049a 2 -0.0355a + 52.9, 0.0)
- Point B (0.0, 0.0144a 2 -1.6377a + 58.7,-0.0144a 2 + 0.6377a + 41.3)
- Point D (0.0, 0.0224a 2 + 0.968a
- the refrigerant of the present disclosure not only achieves a refrigeration capacity ratio of 85% or more based on R410A and a COP ratio of 92.5% or more based on R410A when the above requirements are satisfied, and further, WCF slight combustion and WCFF slight burn and ASHRAE standards indicate "2L class", a slightly burnt refrigerant.
- the refrigerant C of the present disclosure further includes R32 in addition to HFO-1132 (E), HFO-1123 and R1234yf, the sum of HFO-1132 (E), HFO-1123 and R1234yf, and R32 is used as a standard.
- R410A is a point It is an intersection point of an approximate straight line connecting points where the COP ratio is 95% and a straight line ab.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 95% or more based on R410A and a COP ratio based on R410A of 95% or more when the above requirements are satisfied.
- the refrigerant C of the present disclosure may further contain other additional refrigerant in addition to HFO-1132 (E), HFO-1123 and R1234yf, and R32, as long as the above-described properties and effects are not impaired. Good.
- the refrigerant of the present disclosure preferably contains 99.5% by mass or more, more preferably 99.75% by mass or more, of the total of HFO-1132 (E), HFO-1123 and R1234yf, and R32 with respect to the entire refrigerant. Preferably, 99.9% by mass or more is included.
- the refrigerant C of the present disclosure may contain 99.5% by mass or more and 99.75% by mass or more of the total of HFO-1132 (E), HFO-1123 and R1234yf, and R32 with respect to the entire refrigerant. And may contain 99.9% by mass or more.
- the additional refrigerant is not particularly limited and can be widely selected.
- the mixed refrigerant may contain one kind alone as an additional refrigerant, or may contain two or more kinds.
- Example of refrigerant C Below, the Example of the refrigerant
- a mixed refrigerant was prepared by mixing HFO-1132 (E), HFO-1123 and R1234yf, and R32 in the mass% shown in Tables 39 to 96, respectively, based on the total of these.
- IPCC Intergovernmental Panel on Climate Change
- the refrigeration capacity of a composition containing a mixture of R410A and HFO-1132 (E) and HFO-1123 is as follows using the National Institute of Science and Technology (NIST) Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) It calculated
- the COP ratio and the refrigeration capacity ratio were determined with reference to R410.
- the calculation conditions were as follows.
- Evaporation temperature 5 ° C Condensing temperature: 45 ° C Superheat: 5K Degree of supercooling; 5K Compressor efficiency 70% These values are shown in Tables 39 to 96 together with the GWP for each mixed refrigerant. The ratio COP and the specific refrigeration capacity are shown relative to R410A.
- the coefficient of performance (COP) was determined by the following equation.
- HFO-1132 (E: HFO-1132 (E), HFO-1123 and R1234yf, and R32, based on the sum of these, mass% is x, y and z, and a, respectively).
- HFO-1123 and R1234yf the bottom line is a straight line connecting point (0.0, 100.0-a, 0.0) and point (0.0, 0.0, 100, 0-a) where the mass becomes (100-a) mass%
- the coordinates (x, y, z) are When 0 ⁇ a ⁇ 11.1 Point A (0.0134a 2 -1.9681a + 68.6, 0.0, -0.0134a 2 + 0.9681a + 31.4) and point B (0.0, 0.0144a 2 -1.6377a + 58.7, -0.0144a 2 + 0.6377a + 41.3) and A straight line AB connecting the When 11.1
- a point at which the actual refrigeration capacity ratio is 85% is a curve extending toward the 1234yf side connecting the point A and the point B shown in FIG. Therefore, when it is on the straight line AB or on the left side, the refrigeration capacity ratio based on R410A is 85% or more.
- the coordinates (x, y, z) are When 0 ⁇ a ⁇ 11.1 Point D '(0.0, 0.0224a 2 + 0.968a + 75.4, -0.0224a 2 -1.968a + 24.6) and point C (-0.2304a 2 -0.4062a + 32.9, 0.2304a 2 -0.5938a + 67.1, 0.0) And the straight line D′ C connecting the When 11.1 ⁇ a ⁇ 46.7 It can be seen that the COP ratio based on R410A is 92.5% or more when in all the regions.
- FIG. 4 it is the curve CD that the COP ratio is 92.5% or more, but in FIG. 4, when the R1234yf concentration is 5% by mass and 10% by mass, the COP ratio is 92.5% (26.6, 68.4, 5), (19.5, 70.5, 10), and an approximate straight line connecting three points C (32.9, 67.1, 0.0), and the intersection point D ′ (0, 0, 0) with the HFO-1132 (E) concentration of 0.0 mass% A straight line connecting 75.4, 24.6) and the point C is a line segment D'C. Also, in FIG. 4, when the R1234yf concentration is 5% by mass and 10% by mass, the COP ratio is 92.5% (26.6, 68.4, 5), (19.5, 70.5, 10), and an approximate straight line connecting three points C (32.9, 67.1, 0.0), and the intersection point D ′ (0, 0, 0) with the HFO-1132 (E) concentration of 0.0 mass% A straight line connecting 75.4, 24.6) and the point C is a line segment
- D ′ (D) is similarly derived from an approximate curve connecting point C (18.4, 74.5, 0), point (13.9, 76.5, 2.5), and point (8.7, 79.2, 5) at which the COP ratio is 92.5%. Find 0, 83.4, 9.5), and let D'C be a straight line connecting point C.
- composition of each mixture is WCF, and NIST Standard Reference Data Base Version under the condition of Equipment, Storage, Shipping, Leak, and Recharge according to ASHRAE 34-2013 standard.
- a leak simulation was performed according to 4.0, and the most flammable fraction was WCFF.
- the flammability was measured according to the ANSI / ASHRAE 34-2013 standard. If the burning rate is 10 cm / s or less for both WCF and WCFF, it is considered as "2 L class (slight flammability)".
- the burning rate test was done as follows using the apparatus shown in FIG. First, the mixed refrigerant used was 99.5% or more pure and degassed by repeated cycles of freezing, pumping and thawing until no traces of air were visible on the vacuum gauge. The burning rate was measured by the closure method. The initial temperature was ambient temperature. Ignition was performed by creating an electrical spark between the electrodes at the center of the sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using Schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two acrylic windows for transmitting light was used as a sample cell, and a xenon lamp was used as a light source.
- Schlieren images of flames were recorded with a high speed digital video camera at a framing rate of 600 fps and stored on a PC.
- the point of the actual WCFF slight combustion becomes a curve which spreads to the HFO-1132 (E) side connecting the point J and the point K '(on the straight line AB) shown in FIG. Therefore, when it is on the line of straight line JK 'or below, it becomes WCFF slight flame retardance.
- the R32 content ratio a (mass%) is 0 mass%, 7.1 mass%, 11.1 mass%, 14.5 mass%, 18.2 mass%, 21.9 mass%, 26.7 mass%, respectively.
- the compositions are shown for 29.3% by weight, 36.7% by weight, 44.1% by weight and 47.8% by weight.
- Point A is a point where the HFO-1123 content is 0% by mass and the refrigeration capacity ratio based on R410A is 85%. With respect to the point A, three points were obtained for each of the following five ranges by calculation, and their approximate expressions were obtained (Table 109).
- Point B is a point at which the HFO-1132 (E) content rate is 0% by mass and the refrigeration capacity ratio based on R410A is 85%.
- E HFO-1132
- the point D ' is a point at which the HFO-1132 (E) content rate is 0% by mass and the COP ratio based on R410A is 95.5%.
- the following three points were obtained by calculation and their approximate expressions were obtained (Table 111).
- Point C is a point where the R1234yf content rate is 0% by mass and the COP ratio based on R410A is 95.5%.
- point C the following three points were obtained by calculation, and their approximate expressions were obtained (Table 112).
- the refrigerant D of the present disclosure is a mixture containing trans-1,2-difluoroethylene (HFO-1132 (E)), difluoromethane (R32) and 2,3,3,3-tetrafluoro-1-propene (R1234yf). It is a refrigerant.
- the refrigerant D of the present disclosure has desirable characteristics as an R410A alternative refrigerant, having a cooling capacity equivalent to that of R410A, a sufficiently small GWP, and a slight flammability (2 L class) according to the ASHRAE standard.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the coordinates (x, y, z) are Point I (72.0, 0.0, 28.0), Point J (48.5, 18.3, 33.2), Point N (27.7, 18.2, 54.1) and point E (58.3, 0.0, 41.7)
- the line segment IJ is Coordinates (0.0236y 2 -1.7616y +72.0, y, -0.0236y 2 + 0.7616y +28.0) Represented by
- the line segment NE is Coordinates (0.012y 2 -1.9003y + 58.3, y, -0.012y 2 + 0.9003y + 41.7) It is preferable that the line segments JN and EI be straight lines.
- the refrigerant of the present disclosure has a refrigeration capacity
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the coordinates (x, y, z) are Point M (52.6, 0.0, 47.4), Point M '(39.2, 5.0, 55.8), Point N (27.7, 18.2, 54.1), Point V (11.0, 18.1, 70.9) and Point G (39.6, 0.0, 60.4)
- the line segment MM ' is Coordinates (x, 0.132x 2 -3.34x + 52.6, -0.132x 2 + 2.34x + 47.4)
- the line segment M'N is Coordinates (x, 0.0313x 2 -1.4551x + 43.824, -0.0313x 2 + 0.4551x + 56.
- the line segment VG is Coordinates (0.0123y 2 -1.8033y + 39.6, y, -0.0123y 2 + 0.8033y + 60.4) It is preferable that the line segments NV and GM be straight.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 70% or more based on R410A, a GWP of 125 or less, and ASHRAE slight burn.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the coordinates (x, y, z) are Point O (22.6, 36.8, 40.6), Point N (27.7, 18.2, 54.1) and point U (3.9, 36.7, 59.4)
- the line segments ON, NU and UO respectively connecting the three points of The line segment ON is Coordinates (0.0072y 2 -0.6701y + 37.512, y , -0.0072y 2 -0.3299y + 62.488)
- the line segment NU is Coordinates (0.0083y 2 -1.7403y +56.635, y, -0.0083y 2 + 0.7403y +43.365)
- the line segment UO be a straight line.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 80% or more based on R410A, a GWP of 250 or less, and ASHRAE slight burn.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the coordinates (x, y, z) are Point Q (44.6, 23.0, 32.4), Point R (25.5, 36.8, 37.7), Point T (8.6, 51.6, 39.8), Point L (28.9, 51.7, 19.4) and Point K (35.6, 36.8, 27.6)
- Point Q 44.6, 23.0, 32.4
- Point R (25.5, 36.8, 37.7)
- Point T (8.6, 51.6, 39.8)
- Point L 28.9, 51.7, 19.4
- Point K (35.6, 36.8, 27.6)
- the line segments QR, RT, TL, LK and KQ connecting the five points of The line segment QR is Coordinates (0.0099 y 2 -1. 975 y + 84.
- the line segment RT is Coordinates (0.082y 2 -1.8683y + 83.126, y, -0.082y 2 + 0.8683y + 16.874)
- the line segment LK is Coordinates (0.0049y 2 -0.8842y + 61.488, y, -0.0049y 2 -0.1158y + 38.512)
- the line segment KQ is Coordinates (0.0095y 2 -1.2222y + 67.676, y, -0.0095y 2 + 0.2222y + 32.324) It is preferable that the line segment TL be a straight line.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 92.5% or more based on R410A, a GWP of 350 or less, and WCF slight combustion.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the coordinates (x, y, z) are Point a (71.1, 0.0, 28.9), Point c (36.5, 18.2, 45.3), Point f (47.6, 18.3, 34.1) and point d (72.0, 0.0, 28.0)
- the line segment ac is Coordinates (0.0181y 2 -2.2288y + 71.096, y, -0.0181y 2 + 1.2288y +28.904)
- the line segment fd is Coordinates (0.02y 2 -1.7y + 72, y , -0.02y 2 + 0.7y + 28)
- the line segments cf and da are straight.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 85% or more based on R410A, a GWP of 125 or less, and a slight flame retardancy (2 L class) according to the ASHRAE standard.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the coordinates (x, y, z) are Point a (71.1, 0.0, 28.9), Point b (42.6, 14.5, 42.9), Point e (51.4, 14.6, 34.0) and point d (72.0, 0.0, 28.0)
- the line segment ab is Coordinates (0.0181y 2 -2.2288y + 71.096, y, -0.0181y 2 + 1.2288y +28.904)
- the line segment ed is Coordinates (0.02y 2 -1.7y + 72, y , -0.02y 2 + 0.7y + 28)
- the line segments be and da are straight lines.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 85% or more based on R410A, a GWP of 100 or less, and a slight flame retardancy (2 L class) according to the ASHRAE standard.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 95% or more based on R410A, a GWP of 100 or less, and is resistant to changes such as polymerization or decomposition, and is excellent in stability. .
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R1234yf, where x, y and z are mass% of HFO-1132 (E), R32 and R1234yf, respectively, based on their total sum.
- the coordinates (x, y, z) are Point g (77.5, 6.9, 15.6), Point h (61.8, 14.6, 23.6) and point k (77.5, 14.6, 7.9)
- the line segments gh, hk and kg connecting the three points of The line segment gh is Coordinates (0.02y 2 -2.4583y + 93.396, y , -0.02y 2 + 1.4583y + 6.604)
- the line segments hk and kg are straight.
- the refrigerant of the present disclosure has a refrigeration capacity ratio of 95% or more based on R410A, a GWP of 100 or less, and is resistant to changes such as polymerization or decomposition, and is excellent in stability. .
- the refrigerant D of the present disclosure may further contain other additional refrigerant in addition to HFO-1132 (E), R32 and R1234yf, as long as the above-mentioned properties and effects are not impaired.
- the refrigerant D of the present disclosure preferably contains 99.5% by mass or more, more preferably 99.75% by mass or more, of the total of HFO-1132 (E), R32 and R1234yf with respect to the entire refrigerant. It is more preferable to contain mass% or more.
- the additional refrigerant is not particularly limited and can be widely selected.
- the mixed refrigerant may contain one kind alone as an additional refrigerant, or may contain two or more kinds.
- Example of refrigerant D Below, the Example of the refrigerant
- each mixed refrigerant of HFO-1132 (E), R32 and R1234yf is WCF, and according to the ASHRAE 34-2013 standard, equipment (Storage), Storage (Storage), Transportation (Shipping), Leakage (Leak) and Recharge (Recharge) Leakage simulation was performed according to NIST Standard Reference Data Base Refleak Version 4.0 under the following conditions, and the most flammable fraction was WCFF.
- the burning rate test was done as follows using the apparatus shown in FIG. First, the mixed refrigerant used was 99.5% or more pure and degassed by repeated cycles of freezing, pumping and thawing until no traces of air were visible on the vacuum gauge. The burning rate was measured by the closure method. The initial temperature was ambient temperature. Ignition was performed by creating an electrical spark between the electrodes at the center of the sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using Schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two acrylic windows for transmitting light was used as a sample cell, and a xenon lamp was used as a light source.
- Schlieren images of flames were recorded with a high speed digital video camera at a framing rate of 600 fps and stored on a PC. The results are shown in Tables 113-115.
- the coordinates (x, y, z) indicate line segments connecting point M, point M ′, point W, point J, point N, and point P, respectively.
- a mixed refrigerant was prepared by mixing HFO-1132 (E), R32 and R1234yf in the% by mass shown in Tables 116 to 144, respectively, based on their total sum.
- the coefficient of performance (coefficient of performance (COP)) ratio based on R410 and the refrigeration capacity ratio were determined. The calculation conditions were as follows.
- the refrigerant D of the present disclosure is HFO-1132 (E), where x, y and z represent mass% of HFO-1132 (E), R32 and R1234yf based on their total sum, respectively.
- the coordinates (x, y, z) are Point I (72.0, 0.0, 28.0), Point J (48.5, 18.3, 33.2), Point N (27.7, 18.2, 54.1) and point E (58.3, 0.0, 41.7)
- the line segment IJ is Coordinates (0.0236y 2 -1.7616y +72.0, y, -0.0236y 2 + 0.7616y +28.0) Represented by The line segment NE is Coordinates (0.0236y 2 -1.7616y +72.0, y, -0.0236y 2 + 0.7616y +28.0) Represented by The line segment NE is Coordinates (0.0236y 2 -1.7616y +72.0, y, -0.0236y 2 + 0.76
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R32 when the mass% of HFO-1132 (E), R32 and R1234yf based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point M (52.6, 0.0, 47.4), Point M '(39.2, 5.0, 55.8), Point N (27.7, 18.2, 54.1), Point V (11.0, 18.1, 70.9) and Point G (39.6, 0.0, 60.4)
- the line segment VG is Coordinates (0.0123y 2 -1.8033y + 39.6, y, -0.0123y 2 + 0.8033y + 60.4) It can be seen that when the line segments NV and GM are straight, the refrigeration capacity ratio based on R410A is 70% or more, the GWP is 125 or less, and ASHRAE slight burn is achieved.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R32, where the mass% of HFO-1132 (E), R32 and R1234yf based on the total of these is respectively x, y and z.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R32 when the mass% of HFO-1132 (E), R32 and R1234yf based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point Q (44.6, 23.0, 32.4), Point R (25.5, 36.8, 37.7), Point T (8.6, 51.6, 39.8), Point L (28.9, 51.7, 19.4) and Point K (35.6, 36.8, 27.6)
- coordinates (x, y, z) are Point Q (44.6, 23.0, 32.4), Point R (25.5, 36.8, 37.7), Point T (8.6, 51.6, 39.8), Point L (28.9, 51.7, 19.4) and Point K (35.6, 36.8, 27.6)
- the line segments QR, RT, TL, LK and KQ connecting the five points of The line segment QR is Coordinates (0.0099 y 2 -1.
- the line segment RT is Coordinates (0.082y 2 -1.8683y + 83.126, y, -0.082y 2 + 0.8683y + 16.874)
- the line segment LK is Coordinates (0.0049y 2 -0.8842y + 61.488, y, -0.0049y 2 -0.1158y + 38.512)
- the line segment KQ is Coordinates (0.0095y 2 -1.2222y + 67.676, y, -0.0095y 2 + 0.2222y + 32.324)
- the refrigerating capacity ratio based on R410A is 92.5% or more
- the GWP is 350 or less
- the WCF is slightly combustible.
- the refrigerant D of the present disclosure is HFO-1132 (E), R32 and R32, where the mass% of HFO-1132 (E), R32 and R1234yf based on the total of these is respectively x, y and z.
- the refrigerant E of the present disclosure is a mixed refrigerant containing trans-1,2-difluoroethylene (HFO-1132 (E)), trifluoroethylene (HFO-1123) and difluoromethane (R32).
- the refrigerant E of the present disclosure has desirable characteristics as an R410A alternative refrigerant, having a coefficient of performance equivalent to that of R410A, and a sufficiently small GWP.
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point I (72.0, 28, 0, 0.0) Point K (48.4, 33.2, 18.4) Point B '(0.0, 81.6, 18.4) Point H (0.0, 84.2, 15.8) Point R (23.1, 67.4, 9.5) and Point G (38.5, 61.5, 0.0)
- the line segment IK is Coordinates (0.025z 2 -1.7429z + 72.00, -0.025z 2 + 0.7429z + 28.0, z) Represented by The line segment HR is Coordinates (-
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point I (72.0, 28, 0, 0.0) Point J (57.7, 32.8, 9.5) Point R (23.1, 67.4, 9.5) and Point G (38.5, 61.5, 0.0)
- the line segment IJ is Coordinates (0.025z 2 -1.7429z + 72.0, -0.025z 2 + 0.7429z + 28.0, z)
- the line segment RG is Coordinates ( ⁇ 0.0491z 2 -1.1544z + 38.5, 0.0491z 2 + 0.1544z + 61.5,
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point M (47.1, 52.9, 0.0) Point P (31.8, 49.8, 18.4)
- Point G (38.5, 61.5, 0.0)
- the line segment MP is Coordinates (0.0083z 2 -0.984z + 47.1, -0.0083z 2 -0.016z + 52.9, z)
- the line segment HR is Coordinates (-0.3123z
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point M (47.1, 52.9, 0.0) Point N (38.5, 52.1, 9.5) Point R (23.1, 67.4, 9.5) and Point G (38.5, 61.5, 0.0)
- the line segment MN is Coordinates (0.0083z 2 -0.984z + 47.1, -0.0083z 2 -0.016z + 52.9, z)
- the line segment RG is Coordinates ( ⁇ 0.0491z 2 -1.1544z + 38.5, 0.
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point P (31.8, 49.8, 18.4) Point S (25.4, 56.2, 18.4) and Point T (34.8, 51.0, 14.2)
- the line segment ST is Coordinates (-0.0982z 2 + 0.9622z + 40.931, 0.0982z 2 -1.9622z + 59.069, z)
- the line segment TP is Coordinates (0.0083z 2 -0.984z + 47.1, -0.0083z 2 -0.016z + 52.9, z) Represented by It is preferable that the line segment PS be a
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point Q (28.6, 34.4, 37.0) Point B '' (0.0, 63.0, 37.0) Point D (0.0, 67.0, 33.0) and point U (28.7, 41.2, 30.1)
- the line segment DU is The coordinates ( ⁇ 3.4962z 2 + 210.71z ⁇ 3146.1, 3.4962z 2 ⁇ 211.71z + 3246.1, z) are represented, and the line segment UQ is Represented by
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point O (100.0, 0.0, 0.0), Point c '(56.7, 43.3, 0.0), Point d '(52.2, 38.3, 9.5), Point e '(41.8, 39.8, 18.4) and point a' (81.6, 0.0, 18.4)
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point O (100.0, 0.0, 0.0), Point c (77.7, 22.3, 0.0), Point d (76.3, 14.2, 9.5), Point e (72.2, 9.4, 18.4) and point a '(81.6, 0.0, 18.4)
- the line segment cde is It is preferable that the coordinates ( ⁇ 0.017z 2 + 0.0148z + 77.684,
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point O (100.0, 0.0, 0.0), Point c '(56.7, 43.3, 0.0), Point d '(52.2, 38.3, 9.5) and point a (90.5, 0.0, 9.5)
- the line segment c'd ' is It is preferable if it is represented by the coordinates ( ⁇ 0.0297z 2 ⁇ 0.1915z + 56.7
- the refrigerant E of the present disclosure is HFO-1132 (E), HFO-, where the mass% of HFO-1132 (E), HFO-1123 and R32 based on the total of these is respectively x, y and z.
- coordinates (x, y, z) are Point O (100.0, 0.0, 0.0), Point c (77.7, 22.3, 0.0), Point d (76.3, 14.2, 9.5), Point a (90.5, 0.0, 9.5)
- the line segment CD is It is preferable if it is represented by coordinates ( ⁇ 0.017z 2 + 0.0148z + 77.684, 0.017z 2 + 0.9852z + 22.316, z), and the line segments Oc, da and aO are straight lines.
- the refrigerant E of the present disclosure may further contain other additional refrigerants in addition to HFO-1132 (E), HFO-1123, and R32, as long as the above-described properties and effects are not impaired.
- the refrigerant E of the present disclosure preferably contains 99.5% by mass or more, more preferably 99.75% by mass or more, of the total of HFO-1132 (E), HFO-1123 and R32 with respect to the entire refrigerant. It is more preferable to contain 99.9 mass% or more.
- the additional refrigerant is not particularly limited and can be widely selected.
- the mixed refrigerant may contain one kind alone as an additional refrigerant, or may contain two or more kinds.
- Example of refrigerant E Below, the Example of the refrigerant
- a mixed refrigerant was prepared by mixing HFO-1132 (E), HFO-1123 and R32 in the mass% shown in Table 145 and Table 146, respectively, based on the total of these.
- the composition of each mixture is WCF, and in accordance with the ASHRAE 34-2013 standard, the condition (Equipment), (Storage), (Shipping), (Shipping), (Leak) and Recharge the National Institute of Science and Technology (NIST) Leakage simulation was performed according to Standard Reference Data Base Refleak Version 4.0, and the most flammable fraction was WCFF.
- the burning rate was measured in accordance with the ANSI / ASHRA 34-2013 standard.
- the WCF composition and the WCFF composition having a burning rate of 10 cm / s or less correspond to the “2 L class (slight flammability)” in the flammability classification of ASHRAE.
- the burning rate test was done as follows using the apparatus shown in FIG. First, the mixed refrigerant used was 99.5% or more pure and degassed by repeated cycles of freezing, pumping and thawing until no traces of air were visible on the vacuum gauge. The burning rate was measured by the closure method. The initial temperature was ambient temperature. Ignition was performed by creating an electrical spark between the electrodes at the center of the sample cell. The duration of the discharge was 1.0 to 9.9 ms, and the ignition energy was typically about 0.1 to 1.0 J. The spread of the flame was visualized using Schlieren photographs.
- a cylindrical container (inner diameter: 155 mm, length: 198 mm) equipped with two acrylic windows for transmitting light was used as a sample cell, and a xenon lamp was used as a light source.
- Schlieren images of flames were recorded with a high speed digital video camera at a framing rate of 600 fps and stored on a PC.
- the points on the line segment KL are approximated curves by the least squares method from three points of K (48.4, 33.2, 18.4), Example 10 (41.1, 31.2, 27.7) and L (35.5, 27.5, 37.0). Determined, determined the coordinates.
- the line segment MP is represented by coordinates (0.0083z 2 -0.984z + 47.1, -0.0083z 2 -0.016z + 52.9, z), and the line segment PQ is represented by coordinates (0.0135z 2 -0.9181z). +44.133, -0.0135z 2 -0.0819z + 55.867, z).
- the point on the line segment MP obtains an approximate curve from the three points M, N, and P by the least squares method
- the point on the line segment PQ approximates the curve from the three points P, U, and Q by the least squares method
- the refrigeration capacity of a composition containing a mixture of R410A and HFO-1132 (E) and HFO-1123 is as follows using the National Institute of Science and Technology (NIST) Reference Fluid Thermodynamic and Transport Properties Database (Refprop 9.0) It calculated
- the coordinates (x, y, z) are Point O (100.0, 0.0, 0.0), Point A '' (63.0, 0.0, 37.0), Point B '' (0.0, 63.0, 37.0) and Point (0.0, 100.0, 0.0)
- GWP becomes 250 or less.
- the coordinates (x, y, z) are Point O (100.0, 0.0, 0.0), Point A '(81.6, 0.0, 18.4), Point B '(0.0, 81.6, 18.4) and point (0.0, 100.0, 0.0)
- Point O (100.0, 0.0, 0.0)
- Point A '(81.6, 0.0, 18.4) Point B '(0.0, 81.6, 18.4)
- point (0.0, 100.0, 0.0) When it exists in the range of the figure enclosed by the line segment which respectively connects 4 points of, or on the said line segment, it turns out that GWP becomes 125 or less.
- the coordinates (x, y, z) are Point O (100.0, 0.0, 0.0), Point A (90.5, 0.0, 9.5), Point B (0.0, 90.5, 9.5) and Point (0.0, 100.0, 0.0)
- Point O 100.0, 0.0, 0.0
- Point A 90.5, 0.0, 9.5
- Point B 0.0, 90.5, 9.5
- Point 0.0, 100.0, 0.0
- the coordinates (x, y, z) are Point C (50.0, 31.6, 18.4), Point U (28.7, 41.2, 30.1) and Point D (52.2, 38.3, 9.5)
- the COP ratio based on R410A is 96% or more when it is on the left side of the line segment connecting the three points of or on the line segment.
- the line segment CU has coordinates ( ⁇ 0.0538z 2 + 0.7888z + 53.701, 0.0538z 2 ⁇ 1.7888z + 46.299, z)
- the line segment UD has coordinates ( ⁇ 3.4962z 2 + 210.71z ⁇ 3146.1, 3.4962 z 2 -211.71 z + 3246.1, z).
- the point on the line segment CU is obtained from the three points of the point C, the comparative example 10, and the point U by the least square method.
- the point on the line segment UD is obtained by the least square method from the three points of the point U, the second embodiment, and the D.
- the coordinates (x, y, z) are Point E (55.2, 44.8, 0.0), Point T (34.8, 51.0, 14.2)
- Point E (55.2, 44.8, 0.0)
- Point T (34.8, 51.0, 14.2)
- the COP ratio based on R410A is 94.5% or more.
- the line segment ET the coordinates (-0.0547z 2 -0.5327z + 53.4, 0.0547z 2 -0.4673z + 46.6, z)
- the segment TF is coordinates (-0.0982z 2 + 0.9622z + 40.931, 0.0982 z 2 ⁇ 1.9622 z + 59.069, z).
- the point on the line segment ET is obtained by the least square method from the three points of the point E, Example 2, and T.
- the point on the line segment TG is obtained by the least square method from the three points T, S, and F.
- the coordinates (x, y, z) are Point G (0.0, 76.7, 23.3), Point R (21.0, 69.5, 9.5) and point H (0.0, 85.9, 14.1)
- point G 0.0, 76.7, 23.3
- Point R (21.0, 69.5, 9.5)
- point H 0.0, 85.9, 14.1
- the line segment GR is represented by coordinates ( ⁇ 0.0491 2 -1.1544z + 38.5, 0.0491z 2 + 0.1544z + 61.5, z)
- the line segment RH is represented by coordinates ( ⁇ 0.3123z 2 + 4.234z + 11.06, 0.3123z 2 -5.234z + 88.94, represented by z).
- the point on the line segment GR is obtained from the three points of the point G, the fifth embodiment, and the point R by the least square method.
- the point on the line segment RH is obtained from the three points of the point R, the example 7, and the point H by the least square method.
- Air conditioner refrigerating cycle device
- Compressor Outdoor heat exchanger (condenser, evaporator)
- Expansion valve decompression section
- Indoor heat exchanger evaporator, condenser
- refrigerant circuit Air conditioner (refrigerating cycle device) 4 Compressor 5 Outdoor heat exchanger (condenser, evaporator) 6 Expansion valve (decompression section) 7 Indoor heat exchanger (evaporator, condenser) 10 refrigerant circuit
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Abstract
Description
点A(68.6, 0.0, 31.4)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5,70.5,10.0)、
点C(32.9, 67.1, 0.0)及び
点O(100.0, 0.0, 0.0)
の7点をそれぞれ結ぶ線分AA’、A’B、BD、DC’、C’C、CO及びOAで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BD、CO及びOA上の点は除く)、
前記線分AA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分BD、CO及びOAが直線である。
点G(72.0, 28.0, 0.0)、
点I(72.0, 0.0, 28.0)、
点A(68.6, 0.0, 31.4)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5,70.5,10.0) 及び
点C(32.9, 67.1, 0.0)
の8点をそれぞれ結ぶ線分GI、IA、AA’、A’B、BD、DC’、C’C及びCGで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分IA、BD及びCG上の点は除く)、
前記線分AA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分GI、IA、BD及びCGが直線である。
点J(47.1, 52.9, 0.0)、
点P(55.8, 42.0, 2.2)、
点N(68.6, 16.3, 15.1)、
点K(61.3, 5.4, 33.3)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5,70.5,10.0) 及び
点C(32.9, 67.1, 0.0)
の9点をそれぞれ結ぶ線分JP、PN、NK、KA’、A’B、BD、DC’、C’C及びCJで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BD及びCJ上の点は除く)、
前記線分PNは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分NKは、
座標(x, 0.2421x2-29.955x+931.91, -0.2421x2+28.955x-831.91)
で表わされ、
前記線分KA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分JP、BD及びCGが直線である。
点J(47.1, 52.9, 0.0)、
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5,70.5,10.0) 及び
点C(32.9, 67.1, 0.0)
の9点をそれぞれ結ぶ線分JP、PL、LM、MA’、A’B、BD、DC’、C’C及びCJで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BD及びCJ上の点は除く)、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分JP、LM、BD及びCGが直線である。
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点F(0.0, 61.8, 38.2)及び
点T(35.8, 44.9, 19.3)
の7点をそれぞれ結ぶ線分PL、LM、MA’、A’B、BF、FT及びTPで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BF上の点は除く)、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分FTは、
座標(x, 0.0078x2-0.7501x+61.8, -0.0078x2-0.2499x+38.2)
で表わされ、
前記線分TPは、
座標(x, 0.0067x2-0.7607x+63.525, -0.0067x2-0.2393x+36.475)
で表わされ、かつ
前記線分LM及びBFが直線である。
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点Q(62.8, 29.6, 7.6) 及び
点R(49.8, 42.3, 7.9)
の4点をそれぞれ結ぶ線分PL、LQ、QR及びRPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分RPは、
座標(x, 0.0067x2-0.7607x+63.525, -0.0067x2-0.2393x+36.475)
で表わされ、かつ
前記線分LQ及びQRが直線である。
点S(62.6, 28.3, 9.1)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点F(0.0, 61.8, 38.2)及び
点T(35.8, 44.9, 19.3)
の6点をそれぞれ結ぶ線分SM、MA’、A’B、BF、FT、及びTSで囲まれる図形の範囲内又は前記線分上にあり、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分FTは、
座標(x, 0.0078x2-0.7501x+61.8, -0.0078x2-0.2499x+38.2)
で表わされ、
前記線分TSは、
座標(x, 0.0017x2-0.7869x+70.888, -0.0017x2-0.2131x+29.112)
で表わされ、かつ
前記線分SM及びBFが直線である。
前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yf並びにR32の、これらの総和を基準とする質量%をそれぞれx、y及びz並びにaとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が(100-a)質量%となる3成分組成図において、座標(x,y,z)が、
0<a≦11.1のとき、
点G(0.026a2-1.7478a+72.0, -0.026a2+0.7478a+28.0, 0.0)、
点I(0.026a2-1.7478a+72.0, 0.0, -0.026a2+0.7478a+28.0)、
点A(0.0134a2-1.9681a+68.6, 0.0, -0.0134a2+0.9681a+31.4)、
点B(0.0, 0.0144a2-1.6377a+58.7, -0.0144a2+0.6377a+41.3)、
点D’(0.0, 0.0224a2+0.968a+75.4, -0.0224a2-1.968a+24.6)及び
点C(-0.2304a2-0.4062a+32.9, 0.2304a2-0.5938a+67.1, 0.0)
の6点をそれぞれ結ぶ直線GI、IA、AB、BD’、D’C及びCGで囲まれる図形の範囲内又は前記直線GI、AB及びD’C上にあり(ただし、点G、点I、点A、点B、点D’及び点Cは除く)、
11.1<a≦18.2のとき、
点G(0.02a2-1.6013a+71.105, -0.02a2+0.6013a+28.895, 0.0)、
点I(0.02a2-1.6013a+71.105, 0.0, -0.02a2+0.6013a+28.895)、
点A(0.0112a2-1.9337a+68.484, 0.0, -0.0112a2+0.9337a+31.516)、
点B(0.0, 0.0075a2-1.5156a+58.199, -0.0075a2+0.5156a+41.801)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、
18.2<a≦26.7のとき、
点G(0.0135a2-1.4068a+69.727, -0.0135a2+0.4068a+30.273, 0.0)、
点I(0.0135a2-1.4068a+69.727, 0.0, -0.0135a2+0.4068a+30.273)、
点A(0.0107a2-1.9142a+68.305, 0.0, -0.0107a2+0.9142a+31.695)、
点B(0.0, 0.009a2-1.6045a+59.318, -0.009a2+0.6045a+40.682)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、
26.7<a≦36.7のとき、
点G(0.0111a2-1.3152a+68.986, -0.0111a2+0.3152a+31.014, 0.0)、
点I(0.0111a2-1.3152a+68.986, 0.0, -0.0111a2+0.3152a+31.014)、
点A(0.0103a2-1.9225a+68.793, 0.0, -0.0103a2+0.9225a+31.207)、
点B(0.0, 0.0046a2-1.41a+57.286, -0.0046a2+0.41a+42.714)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、及び
36.7<a≦46.7のとき、
点G(0.0061a2-0.9918a+63.902, -0.0061a2-0.0082a+36.098,0.0)、
点I(0.0061a2-0.9918a+63.902, 0.0, -0.0061a2-0.0082a+36.098)、
点A(0.0085a2-1.8102a+67.1, 0.0, -0.0085a2+0.8102a+32.9)、
点B(0.0, 0.0012a2-1.1659a+52.95, -0.0012a2+0.1659a+47.05)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にある(ただし、点G、点I、点A、点B及び点Wは除く)。
前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yf並びにR32の、これらの総和を基準とする質量%をそれぞれx、y及びz並びにaとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が(100-a)質量%となる3成分組成図において、座標(x,y,z)が、
0<a≦11.1のとき、
点J(0.0049a2-0.9645a+47.1, -0.0049a2-0.0355a+52.9, 0.0)、
点K’(0.0514a2-2.4353a+61.7, -0.0323a2+0.4122a+5.9, -0.0191a2+1.0231a+32.4)、
点B(0.0, 0.0144a2-1.6377a+58.7, -0.0144a2+0.6377a+41.3)、
点D’(0.0, 0.0224a2+0.968a+75.4, -0.0224a2-1.968a+24.6)及び
点C(-0.2304a2-0.4062a+32.9, 0.2304a2-0.5938a+67.1, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’B、BD’、D’C及びCJで囲まれる図形の範囲内又は前記直線JK’、K’B及びD’C上にあり(ただし、点J、点B、点D’及び点Cは除く)、
11.1<a≦18.2のとき、
点J(0.0243a2-1.4161a+49.725, -0.0243a2+0.4161a+50.275, 0.0)、
点K’(0.0341a2-2.1977a+61.187, -0.0236a2+0.34a+5.636, -0.0105a2+0.8577a+33.177)、
点B(0.0, 0.0075a2-1.5156a+58.199, -0.0075a2+0.5156a+41.801)及び
点W(0.0, 100.0-a, 0.0)
の4点をそれぞれ結ぶ直線JK’、K’B、BW及びWJで囲まれる図形の範囲内又は前記直線JK’及びK’B上にあり(ただし、点J、点B及び点Wは除く)、
18.2<a≦26.7のとき、
点J(0.0246a2-1.4476a+50.184, -0.0246a2+0.4476a+49.816, 0.0)、
点K’(0.0196a2-1.7863a+58.515, -0.0079a2-0.1136a+8.702, -0.0117a2+0.8999a+32.783)、
点B(0.0, 0.009a2-1.6045a+59.318, -0.009a2+0.6045a+40.682)及び
点W(0.0, 100.0-a, 0.0)
の4点をそれぞれ結ぶ直線JK’、K’B、BW及びWJで囲まれる図形の範囲内又は前記直線JK’及びK’B上にあり(ただし、点J、点B及び点Wは除く)、
26.7<a≦36.7のとき、
点J(0.0183a2-1.1399a+46.493, -0.0183a2+0.1399a+53.507, 0.0)、
点K’(-0.0051a2+0.0929a+25.95, 0.0, 0.0051a2-1.0929a+74.05)、
点A(0.0103a2-1.9225a+68.793, 0.0, -0.0103a2+0.9225a+31.207)、
点B(0.0, 0.0046a2-1.41a+57.286, -0.0046a2+0.41a+42.714)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’A、AB、BW及びWJで囲まれる図形の範囲内又は前記直線JK’、K'A及びAB上にあり(ただし、点J、点B及び点Wは除く)、及び
36.7<a≦46.7のとき、
点J(-0.0134a2+1.0956a+7.13, 0.0134a2-2.0956a+92.87, 0.0)、
点K’(-1.892a+29.443, 0.0, 0.892a+70.557)、
点A(0.0085a2-1.8102a+67.1, 0.0, -0.0085a2+0.8102a+32.9)、
点B(0.0, 0.0012a2-1.1659a+52.95, -0.0012a2+0.1659a+47.05)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’A、AB、BW及びWJで囲まれる図形の範囲内又は前記直線JK’、K'A及びAB上にある(ただし、点J、点B及び点Wは除く)。
点I(72.0, 0.0, 28.0)、
点J(48.5, 18.3, 33.2)、
点N(27.7, 18.2, 54.1)及び
点E(58.3, 0.0, 41.7)
の4点をそれぞれ結ぶ線分IJ、JN、NE、及びEIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分EI上にある点は除く)、
前記線分IJは、
座標(0.0236y2-1.7616y+72.0, y, -0.0236y2+0.7616y+28.0)
で表わされ、
前記線分NEは、
座標(0.012y2-1.9003y+58.3, y, -0.012y2+0.9003y+41.7)
で表わされ、かつ
前記線分JN及びEIが直線である。
点M(52.6, 0.0, 47.4)、
点M’(39.2, 5.0, 55.8)、
点N(27.7, 18.2, 54.1)、
点V(11.0, 18.1, 70.9)及び
点G(39.6, 0.0, 60.4)
の5点をそれぞれ結ぶ線分MM’、M’N、NV、VG、及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GM上にある点は除く)、
前記線分MM’は、
座標(x, 0.132x2-3.34x+52.6, -0.132x2+2.34x+47.4)
で表わされ、
前記線分M’Nは、
座標(0.0313y2-1.4551y+43.824, y, -0.0313y2+0.4551y+56.176)
で表わされ、
前記線分VGは、
座標(0.0123y2-1.8033y+39.6, y, -0.0123y2+0.8033y+60.4)
で表わされ、かつ
前記線分NV及びGMが直線である。
点O(22.6, 36.8, 40.6)、
点N(27.7, 18.2, 54.1)及び
点U(3.9, 36.7, 59.4)
の3点をそれぞれ結ぶ線分ON、NU及びUOで囲まれる図形の範囲内又は前記線分上にあり、
前記線分ONは、
座標(0.0072y2-0.6701y+37.512, y, -0.0072y2-0.3299y+62.488)
で表わされ、
前記線分NUは、
座標(0.0083y2-1.7403y+56.635, y, -0.0083y2+0.7403y+43.365)
で表わされ、かつ
前記線分UOが直線である。
点Q(44.6, 23.0, 32.4)、
点R(25.5, 36.8, 37.7)、
点T(8.6, 51.6, 39.8)、
点L(28.9, 51.7, 19.4)及び
点K(35.6, 36.8, 27.6)
の5点をそれぞれ結ぶ線分QR、RT、TL、LK及びKQで囲まれる図形の範囲内又は前記線分上にあり、
前記線分QRは、
座標(0.0099y2-1.975y+84.765, y, -0.0099y2+0.975y+15.235)
で表わされ、
前記線分RTは、
座標(0.082y2-1.8683y+83.126, y, -0.082y2+0.8683y+16.874)
で表わされ、
前記線分LKは、
座標(0.0049y2-0.8842y+61.488, y, -0.0049y2-0.1158y+38.512)
で表わされ、
前記線分KQは、
座標(0.0095y2-1.2222y+67.676, y, -0.0095y2+0.2222y+32.324)
で表わされ、かつ
前記線分TLが直線である。
点P(20.5, 51.7, 27.8)、
点S(21.9, 39.7, 38.4)及び
点T(8.6, 51.6, 39.8)
の3点をそれぞれ結ぶ線分PS、ST及びTPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分PSは、
座標(0.0064y2-0.7103y+40.1, y, -0.0064y2-0.2897y+59.9)
で表わされ、
前記線分STは、
座標(0.082y2-1.8683y+83.126, y, -0.082y2+0.8683y+16.874)
で表わされ、かつ
前記線分TPが直線である。
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点I(72.0, 28,0, 0.0)
点K(48.4, 33.2, 18.4)
点B’(0.0, 81.6, 18.4)
点H(0.0, 84.2, 15.8)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の6点をそれぞれ結ぶ線分IK、KB’、B’H、HR、RG及びGIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’H及びGI上の点を除く)、
前記線分IKは、
座標(0.025z2-1.7429z+72.00, -0.025z2+0.7429z+28.0, z)
で表わされ、
前記線分HRは、
座標(-0.3123z2+4.234z+11.06, 0.3123z2-5.234z+88.94, z)
で表わされ、
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、かつ
前記線分KB’及びGIが直線である。
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点I(72.0, 28,0, 0.0)
点J(57.7, 32.8, 9.5)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の4点をそれぞれ結ぶ線分IJ、JR、RG及びGIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GI上の点を除く)、
前記線分IJは、
座標(0.025z2-1.7429z+72.0, -0.025z2+0.7429z+28.0, z)
で表わされ、かつ
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、
前記線分JR及びGIが直線である。
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点M(47.1, 52.9, 0.0)
点P(31.8, 49.8, 18.4)
点B’(0.0, 81.6, 18.4)
点H(0.0, 84.2, 15.8)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の6点をそれぞれ結ぶ線分MP、PB’、B’H、HR、RG及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’H及びGM上の点を除く)、
前記線分MPは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、
前記線分HRは、
座標(-0.3123z2+4.234z+11.06, 0.3123z2-5.234z+88.94, z)
で表わされ、
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、かつ
前記線分PB’及びGMが直線である。
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点M(47.1, 52.9, 0.0)
点N(38.5, 52.1, 9.5)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の4点をそれぞれ結ぶ線分MN、NR、RG及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GM上の点を除く)、
前記線分MNは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、かつ
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、
前記線分JR及びGIが直線である。
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点P(31.8, 49.8, 18.4)
点S(25.4, 56.2, 18.4)及び
点T(34.8, 51.0, 14.2)
の3点をそれぞれ結ぶ線分PS、ST及びTPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分STは、
座標(-0.0982z2+0.9622z+40.931, 0.0982z2-1.9622z+59.069, z)
で表わされ、かつ
前記線分TPは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、
前記線分PSが直線である。
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点Q(28.6, 34.4, 37.0)
点B’’(0.0, 63.0, 37.0)
点D(0.0, 67.0, 33.0)及び
点U(28.7, 41.2, 30.1)
の4点をそれぞれ結ぶ線分QB’’、B’’D、DU及びUQで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’’D上の点を除く)、
前記線分DUは、
座標(-3.4962z2+210.71z-3146.1, 3.4962z2-211.71z+3246.1, z)で表わされ、かつ
前記線分UQは、
座標(0.0135z2-0.9181z+44.133, -0.0135z2-0.0819z+55.867, z)
で表わされ、
前記線分QB’’及びB’’Dが直線である。
冷凍サイクル装置は、後述の(4)の欄に記載の冷媒組成物と、冷凍機油とを含む。
冷凍機油は、冷媒組成物と共存させて冷凍サイクル等の冷凍サイクルを行わせることで、冷凍サイクル装置内の潤滑性を高めることが可能であり、効率的なサイクル性能を発揮させることも可能となる。
含酸素系合成油であるエステル系冷凍機油やエーテル系冷凍機油は、主として、炭素原子と酸素原子を有して構成されている。エステル系冷凍機油やエーテル系冷凍機油においては、この炭素原子と酸素原子の比率(炭素/酸素モル比)が小さすぎると吸湿性が高くなり、当該比率が大きすぎると冷媒との相溶性が低下してしまうことから、当該比率はモル比で2以上7.5以下であることが好ましい。
エステル系冷凍機油としては、化学的安定性の観点から、二塩基酸と1価アルコールとの二塩基酸エステル油、ポリオールと脂肪酸とのポリオールエステル油、またはポリオールと多価塩基酸と1価アルコール(又は脂肪酸)とのコンプレックスエステル油、ポリオール炭酸エステル油等が基油成分として挙げられる。
二塩基酸エステル油としては、シュウ酸、マロン酸、コハク酸、グルタル酸、アジピン酸、ピメリン酸、スベリン酸、アゼライン酸、セバシン酸、フタル酸、イソフタル酸、テレフタル酸等の二塩基酸、特に、炭素数5~10の二塩基酸(グルタル酸、アジピン酸、ピメリン酸、スベリン酸、アゼライン酸、セバシン酸等)と、直鎖または分枝アルキル基を有する炭素数1~15の一価アルコール(メタノール、エタノール、プロパノール、ブタノール、ペンタノール、ヘキサノール、ヘプタノール、オクタノール、ノナノール、デカノール、ウンデカノール、ドデカノール、トリデカノール、テトラデカノール、ペンタデカノール等)とのエステルが好ましい。この二塩基酸エステル油としては、具体的には、グルタル酸ジトリデシル、アジピン酸ジ(2-エチルヘキシル)、アジピン酸ジイソデシル、アジピン酸ジトリデシル、セバシン酸ジ(3-エチルヘキシル)等が挙げられる。
ポリオールエステル油とは、多価アルコールと脂肪酸(カルボン酸)とから合成されるエステルであり、炭素/酸素モル比が2以上7.5以下、好ましくは3.2以上5.8以下のものである。
(i)ブタン酸、2-メチルプロパン酸、ペンタン酸、2-メチルブタン酸、3-メチルブタン酸、2,2-ジメチルプロパン酸、2-メチルペンタン酸、3-メチルペンタン酸、4-メチルペンタン酸、2,2-ジメチルブタン酸、2,3-ジメチルブタン酸、3,3-ジメチルブタン酸およびヘキサン酸から選ばれる1~13種と、2-メチルヘキサン酸、3-メチルヘキサン酸、4-メチルヘキサン酸、5-メチルヘキサン酸、2,2-ジメチルペンタン酸、2,3-ジメチルペンタン酸、2,4-ジメチルペンタン酸、3,3-ジメチルペンタン酸、3,4-ジメチルペンタン酸、4,4-ジメチルペンタン酸、2-エチルペンタン酸、3-エチルペンタン酸および2-エチル-3-メチルブタン酸から選ばれる1~13種との組合せ;
(ii)ブタン酸、2-メチルプロパン酸、ペンタン酸、2-メチルブタン酸、3-メチルブタン酸、2,2-ジメチルプロパン酸、2-メチルペンタン酸、3-メチルペンタン酸、4-メチルペンタン酸、2,2-ジメチルブタン酸、2,3-ジメチルブタン酸、3,3-ジメチルブタン酸およびヘキサン酸から選ばれる1~13種と、2-メチルヘプタン酸、3-メチルヘプタン酸、4-メチルヘプタン酸、5-メチルヘプタン酸、6-メチルヘプタン酸、2,2-ジメチルヘキサン酸、3,3-ジメチルヘキサン酸、4,4-ジメチルヘキサン酸、5,5-ジメチルヘキサン酸、2,3-ジメチルヘキサン酸、2,4-ジメチルヘキサン酸、2,5-ジメチルヘキサン酸、3,4-ジメチルヘキサン酸、3,5-ジメチルヘキサン酸、4,5-ジメチルヘキサン酸、2,2,3-トリメチルペンタン酸、2,3,3-トリメチルペンタン酸、2,4,4-トリメチルペンタン酸、3,4,4-トリメチルペンタン酸、2-エチルヘキサン酸、3-エチルヘキサン酸、2-プロピルペンタン酸、2-メチル-2-エチルペンタン酸、2-メチル-3-エチルペンタン酸および3-メチル-3-エチルペンタン酸から選ばれる1~25種との組合せ;
(iii)ブタン酸、2-メチルプロパン酸、ペンタン酸、2-メチルブタン酸、3-メチルブタン酸、2,2-ジメチルプロパン酸、2-メチルペンタン酸、3-メチルペンタン酸、4-メチルペンタン酸、2,2-ジメチルブタン酸、2,3-ジメチルブタン酸、3,3-ジメチルブタン酸およびヘキサン酸から選ばれる1~13種と、2-メチルオクタン酸、3-メチルオクタン酸、4-メチルオクタン酸、5-メチルオクタン酸、6-メチルオクタン酸、7-メチルオクタン酸、8-メチルオクタン酸、2,2-ジメチルヘプタン酸、3,3-ジメチルヘプタン酸、4,4-ジメチルヘプタン酸、5,5-ジメチルヘプタン酸、6,6-ジメチルヘプタン酸、2,3-ジメチルヘプタン酸、2,4-ジメチルヘプタン酸、2,5-ジメチルヘプタン酸、2,6-ジメチルヘプタン酸、3,4-ジメチルヘプタン酸、3,5-ジメチルヘプタン酸、3,6-ジメチルヘプタン酸、4,5-ジメチルヘプタン酸、4,6-ジメチルヘプタン酸、2-エチルヘプタン酸、3-エチルヘプタン酸、4-エチルヘプタン酸、5-エチルヘプタン酸、2-プロピルヘキサン酸、3-プロピルヘキサン酸、2-ブチルペンタン酸、2,2,3-トリメチルヘキサン酸、2,2,3-トリメチルヘキサン酸、2,2,4-トリメチルヘキサン酸、2,2,5-トリメチルヘキサン酸、2,3,4-トリメチルヘキサン酸、2,3,5-トリメチルヘキサン酸、3,3,4-トリメチルヘキサン酸、3,3,5-トリメチルヘキサン酸、3,5,5-トリメチルヘキサン酸、4,4,5-トリメチルヘキサン酸、4,5,5-トリメチルヘキサン酸、2,2,3,3-テトラメチルペンタン酸、2,2,3,4-テトラメチルペンタン酸、2,2,4,4-テトラメチルペンタン酸、2,3,4,4-テトラメチルペンタン酸、3,3,4,4-テトラメチルペンタン酸、2,2-ジエチルペンタン酸、2,3-ジエチルペンタン酸、3,3-ジエチルペンタン酸、2-エチル-2,3,3-トリメチル酪酸、3-エチル-2,2,3-トリメチル酪酸および2,2-ジイソプロピルプロピオン酸から選ばれる1~50種との組合せ。
(i)2-メチルプロパン酸と、2-メチルヘキサン酸、3-メチルヘキサン酸、4-メチルヘキサン酸、5-メチルヘキサン酸、2,2-ジメチルペンタン酸、2,3-ジメチルペンタン酸、2,4-ジメチルペンタン酸、3,3-ジメチルペンタン酸、3,4-ジメチルペンタン酸、4,4-ジメチルペンタン酸、2-エチルペンタン酸、3-エチルペンタン酸および2-エチル-3-メチルブタン酸から選ばれる1~13種との組合せ;
(ii)2-メチルプロパン酸と、2-メチルヘプタン酸、3-メチルヘプタン酸、4-メチルヘプタン酸、5-メチルヘプタン酸、6-メチルヘプタン酸、2,2-ジメチルヘキサン酸、3,3-ジメチルヘキサン酸、4,4-ジメチルヘキサン酸、5,5-ジメチルヘキサン酸、2,3-ジメチルヘキサン酸、2,4-ジメチルヘキサン酸、2,5-ジメチルヘキサン酸、3,4-ジメチルヘキサン酸、3,5-ジメチルヘキサン酸、4,5-ジメチルヘキサン酸、2,2,3-トリメチルペンタン酸、2,3,3-トリメチルペンタン酸、2,4,4-トリメチルペンタン酸、3,4,4-トリメチルペンタン酸、2-エチルヘキサン酸、3-エチルヘキサン酸、2-プロピルペンタン酸、2-メチル-2-エチルペンタン酸、2-メチル-3-エチルペンタン酸および3-メチル-3-エチルペンタン酸から選ばれる1~25種との組合せ;
(iii)2-メチルプロパン酸と、2-メチルオクタン酸、3-メチルオクタン酸、4-メチルオクタン酸、5-メチルオクタン酸、6-メチルオクタン酸、7-メチルオクタン酸、8-メチルオクタン酸、2,2-ジメチルヘプタン酸、3,3-ジメチルヘプタン酸、4,4-ジメチルヘプタン酸、5,5-ジメチルヘプタン酸、6,6-ジメチルヘプタン酸、2,3-ジメチルヘプタン酸、2,4-ジメチルヘプタン酸、2,5-ジメチルヘプタン酸、2,6-ジメチルヘプタン酸、3,4-ジメチルヘプタン酸、3,5-ジメチルヘプタン酸、3,6-ジメチルヘプタン酸、4,5-ジメチルヘプタン酸、4,6-ジメチルヘプタン酸、2-エチルヘプタン酸、3-エチルヘプタン酸、4-エチルヘプタン酸、5-エチルヘプタン酸、2-プロピルヘキサン酸、3-プロピルヘキサン酸、2-ブチルペンタン酸、2,2,3-トリメチルヘキサン酸、2,2,3-トリメチルヘキサン酸、2,2,4-トリメチルヘキサン酸、2,2,5-トリメチルヘキサン酸、2,3,4-トリメチルヘキサン酸、2,3,5-トリメチルヘキサン酸、3,3,4-トリメチルヘキサン酸、3,3,5-トリメチルヘキサン酸、3,5,5-トリメチルヘキサン酸、4,4,5-トリメチルヘキサン酸、4,5,5-トリメチルヘキサン酸、2,2,3,3-テトラメチルペンタン酸、2,2,3,4-テトラメチルペンタン酸、2,2,4,4-テトラメチルペンタン酸、2,3,4,4-テトラメチルペンタン酸、3,3,4,4-テトラメチルペンタン酸、2,2-ジエチルペンタン酸、2,3-ジエチルペンタン酸、3,3-ジエチルペンタン酸、2-エチル-2,3,3-トリメチル酪酸、3-エチル-2,2,3-トリメチル酪酸および2,2-ジイソプロピルプロピオン酸から選ばれる1~50種との組合せ。
コンプレックスエステル油とは、脂肪酸および二塩基酸と、一価アルコールおよびポリオールとのエステルである。脂肪酸、二塩基酸、一価アルコール、ポリオールとしては、上述と同様のものを用いることができる。
ポリオール炭酸エステル油とは、炭酸とポリオールとのエステルである。
エーテル系冷凍機油としては、ポリビニルエーテル油、ポリオキシアルキレン油等が挙げられる。
ポリビニルエーテル油としては、ビニルエーテルモノマーの重合体、ビニルエーテルモノマーとオレフィン性二重結合を有する炭化水素モノマーとの共重合体、オレフィン性二重結合とポリオキシアルキレン鎖を有するモノマーとビニルエーテルモノマーとの共重合体等が挙げられる。
ビニルエーテル系モノマーとしては、下記一般式(3)の化合物が挙げられる。
ポリオキシアルキレン油としては、炭素数2~4のアルキレンオキシド(エチレンオキシド、プロピレンオキシド等)を、水や水酸基含有化合物を開始剤として重合させる方法等により得られたポリオキシアルキレン化合物が挙げられる。また、ポリオキシアルキレン化合物の水酸基をエーテル化またはエステル化したものであってもよい。ポリオキシアルキレン油中のオキシアルキレン単位は、1分子中において同一であってもよく、2種以上のオキシアルキレン単位が含まれていてもよい。1分子中に少なくともオキシプロピレン単位が含まれることが好ましい。
(式中、hは6~80の数を表す。)
(式中、iおよびjはそれぞれ1以上であり且つiとjとの合計が6~80となる数を表す。)
(式中、hは6~80の数を示す。)
(式中、hは6~80の数を表す。)
(式中、iおよびjはそれぞれ1以上であり且つiとjとの合計が6~80となる数を表す。)
(式中、iおよびjはそれぞれ1以上であり且つiとjとの合計が6~80となる数を表す。)
(式中、hは6~80の数を表す。)
炭化水素系冷凍機油としては、例えば、アルキルベンゼンを用いることができる。
冷凍機油には、1種または2種以上の添加剤が含まれていてもよい。
リン酸エステル類としては、リン酸エステル、亜リン酸エステル、酸性リン酸エステル、及び酸性亜リン酸エステル等を用いることができ、リン酸エステル、亜リン酸エステル、酸性リン酸エステル、及び酸性亜リン酸エステルのアミン塩を含むものを用いることもできる。
図1に、冷凍サイクル装置である空気調和装置1が有する冷媒回路10の一例を示す。
室内ユニット3は、室内の天井面や壁面に設置されており、液側冷媒連絡配管9およびガス側冷媒連絡配管8を介して室外ユニット2に接続されており、冷媒回路10の一部を構成している。なお、室内ユニット3は、冷媒回路10において互いに並列に複数接続されていてもよい。
室外ユニット2は、室外に設置されており、液側冷媒連絡配管9およびガス側冷媒連絡配管8を介して室内ユニット3に接続されている。
空気調和装置1では、冷房運転時には、四路切換弁10が冷房運転接続状態となっており、圧縮機4から吐出された高温高圧冷媒は、冷媒の凝縮器として機能する室外熱交換器5において凝縮し、膨張弁6を通過する際に減圧され、液側冷媒連絡配管9を介して室内ユニット3のガス側に供給される。室内ユニット3に供給された冷媒は、冷媒の蒸発器として機能する室内熱交換器7において蒸発し、ガス側冷媒連絡配管8を介して、室外ユニット2のアキュームレータ11を介して圧縮機4に吸入される。
(4-1)用語の定義
本明細書において用語「冷媒」には、ISO817(国際標準化機構)で定められた、冷媒の種類を表すRで始まる冷媒番号(ASHRAE番号)が付された化合物が少なくとも含まれ、さらに冷媒番号が未だ付されていないとしても、それらと同等の冷媒としての特性を有するものが含まれる。冷媒は、化合物の構造の面で、「フルオロカーボン系化合物」と「非フルオロカーボン系化合物」とに大別される。「フルオロカーボン系化合物」には、クロロフルオロカーボン(CFC)、ハイドロクロロフルオロカーボン(HCFC)及びハイドロフルオロカーボン(HFC)が含まれる。「非フルオロカーボン系化合物」としては、プロパン(R290)、プロピレン(R1270)、ブタン(R600)、イソブタン(R600a)、二酸化炭素(R744)及びアンモニア(R717)等が挙げられる。なお、「冷媒」には、複数種類の冷媒が混合された混合物も含まれる。
本開示の冷媒は、冷凍機における作動流体として好ましく使用することができる。
本開示の冷媒組成物は、本開示の冷媒を少なくとも含み、本開示の冷媒と同じ用途のために使用することができる。また、本開示の冷媒組成物は、さらに少なくとも冷凍機油と混合することにより冷凍機用作動流体を得るために用いることができる。
本開示の冷媒組成物は微量の水を含んでもよい。冷媒組成物における含水割合は、冷媒全体に対して、0.1質量%以下とすることが好ましい。冷媒組成物が微量の水分を含むことにより、冷媒中に含まれ得る不飽和のフルオロカーボン系化合物の分子内二重結合が安定化され、また、不飽和のフルオロカーボン系化合物の酸化も起こりにくくなるため、冷媒組成物の安定性が向上する。
トレーサーは、本開示の冷媒組成物が希釈、汚染、その他何らかの変更があった場合、その変更を追跡できるように検出可能な濃度で本開示の冷媒組成物に添加される。
HCC-40(クロロメタン、CH3Cl)
HFC-23(トリフルオロメタン、CHF3)
HFC-41(フルオロメタン、CH3Cl)
HFC-125(ペンタフルオロエタン、CF3CHF2)
HFC-134a(1,1,1,2-テトラフルオロエタン、CF3CH2F)
HFC-134(1,1,2,2-テトラフルオロエタン、CHF2CHF2)
HFC-143a(1,1,1-トリフルオロエタン、CF3CH3)
HFC-143(1,1,2-トリフルオロエタン、CHF2CH2F)
HFC-152a(1,1-ジフルオロエタン、CHF2CH3)
HFC-152(1,2-ジフルオロエタン、CH2FCH2F)
HFC-161(フルオロエタン、CH3CH2F)
HFC-245fa(1,1,1,3,3-ペンタフルオロプロパン、CF3CH2CHF2)
HFC-236fa(1,1,1,3,3,3-ヘキサフルオロプロパン、CF3CH2CF3)
HFC-236ea(1,1,1,2,3,3-ヘキサフルオロプロパン、CF3CHFCHF2)
HFC-227ea(1,1,1,2,3,3,3-ヘプタフルオロプロパン、CF3CHFCF3)
HCFC-22(クロロジフルオロメタン、CHClF2)
HCFC-31(クロロフルオロメタン、CH2ClF)
CFC-1113(クロロトリフルオロエチレン、CF2=CClF)
HFE-125(トリフルオロメチル-ジフルオロメチルエーテル、CF3OCHF2)
HFE-134a(トリフルオロメチル-フルオロメチルエーテル、CF3OCH2F)
HFE-143a(トリフルオロメチル-メチルエーテル、CF3OCH3)
HFE-227ea(トリフルオロメチル-テトラフルオロエチルエーテル、CF3OCHFCF3)
HFE-236fa(トリフルオロメチル-トリフルオロエチルエーテル、CF3OCH2CF3)
本開示の冷媒組成物は、紫外線蛍光染料として、一種を単独で含有してもよいし、二種以上を含有してもよい。
本開示の冷媒組成物は、安定剤として、一種を単独で含有してもよいし、二種以上を含有してもよい。
本開示の冷媒組成物は、重合禁止剤として、一種を単独で含有してもよいし、二種以上を含有してもよい。
本開示の冷凍機油含有作動流体は、本開示の冷媒又は冷媒組成物と、冷凍機油とを少なくとも含み、冷凍機における作動流体として用いられる。具体的には、本開示の冷凍機油含有作動流体は、冷凍機の圧縮機において使用される冷凍機油と、冷媒又は冷媒組成物とが互いに混じり合うことにより得られる。冷凍機油含有作動流体には冷凍機油は一般に10~50質量%含まれる。
本開示の冷媒Aは、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、トリフルオロエチレン(HFO-1123)及び2,3,3,3-テトラフルオロ-1-プロペン(R1234yf)を含む混合冷媒である。
本開示の冷媒Aは、HFO-1132(E)、HFO-1123及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点A(68.6, 0.0, 31.4)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5, 70.5, 10.0)、
点C(32.9, 67.1, 0.0)及び
点O(100.0, 0.0, 0.0)
の7点をそれぞれ結ぶ線分AA’、A’B、BD、DC’、C’C、CO及びOAで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分CO上の点は除く)、
前記線分AA’は、
座標(x, 0.0016x2-0.9473x+57.497, 0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分BD、CO及びOAが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が92.5%以上となる。
点G(72.0, 28.0, 0.0)、
点I(72.0, 0.0, 28.0)、
点A(68.6, 0.0, 31.4)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5, 70.5, 10.0)及び
点C(32.9, 67.1, 0.0)
の8点をそれぞれ結ぶ線分GI、IA、AA’、A’B、BD、DC’、C’C及びCGで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分CG上の点は除く)、
前記線分AA’は、
座標(x, 0.0016x2-0.9473x+57.497, 0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分GI、IA、BD及びCGが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が92.5%以上となるだけでなく、さらにASHRAEの規格でWCF微燃性(WCF組成の燃焼速度が10cm/s以下)を示す。
点J(47.1, 52.9, 0.0)、
点P(55.8, 42.0, 2.2)、
点N(68.6, 16.3, 15.1)、
点K(61.3, 5.4, 33.3)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5, 70.5, 10.0) 及び
点C(32.9, 67.1, 0.0)
の9点をそれぞれ結ぶ線分JP、PN、NK、KA’、A’B、BD、DC’、C’C及びCJで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分CJ上の点は除く)、
前記線分PNは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分NKは、
座標(x, 0.2421x2-29.955x+931.91, -0.2421x2+28.955x-831.91)
で表わされ、
前記線分KA’は、
座標(x, 0.0016x2-0.9473x+57.497, 0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分JP、BD及びCGが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が92.5%以上となるだけでなく、さらにASHRAEの規格で微燃性(2Lクラス(WCF組成及びWCFF組成の燃焼速度が10cm/s以下))を示す。
点J(47.1, 52.9, 0.0)、
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5, 70.5, 10.0)及び
点C(32.9, 67.1, 0.0)
の9点をそれぞれ結ぶ線分JP、PL、LM、MA’、A’B、BD、DC’、C’C及びCJで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分CJ上の点は除く)、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分JP、LM、BD及びCGが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が92.5%以上となるだけでなく、さらにRCLが40g/m3以上となる。
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点F(0.0, 61.8, 38.2)及び
点T(35.8, 44.9, 19.3)
の7点をそれぞれ結ぶ線分PL、LM、MA’、A’B、BF、FT及びTPで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BF上の点は除く)、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分FTは、
座標(x, 0.0078x2-0.7501x+61.8, -0.0078x2-0.2499x+38.2)
で表わされ、
前記線分TPは、
座標(x, 0.0067x2-0.7607x+63.525, -0.0067x2-0.2393x+36.475)
で表わされ、かつ
前記線分LM及びBFが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が95%以上となるだけでなく、さらにRCLが40g/m3以上となる。
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点Q(62.8, 29.6, 7.6) 及び
点R(49.8, 42.3, 7.9)
の4点をそれぞれ結ぶ線分PL、LQ、QR及びRPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分RPは、
座標(x, 0.0067x2-0.7607x+63.525, -0.0067x2-0.2393x+36.475)
で表わされ、かつ
前記線分LQ及びQRが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とするCOP比が95%以上となり、かつRCLが40g/m3以上となるだけでなく、さらに凝縮温度グライドが1℃以下となる。
点S(62.6, 28.3, 9.1)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点F(0.0, 61.8, 38.2)及び
点T(35.8, 44.9, 19.3)
の6点をそれぞれ結ぶ線分SM、MA’、A’B、BF、FT、及びTSで囲まれる図形の範囲内又は前記線分上にあり、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分FTは、
座標(x, 0.0078x2-0.7501x+61.8, -0.0078x2-0.2499x+38.2)
で表わされ、
前記線分TSは、
座標(x, 0.0017x2-0.7869x+70.888, -0.0017x2-0.2131x+29.112)
で表わされ、かつ
前記線分SM及びBFが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、R410Aを基準とするCOP比が95%以上となり、かつRCLが40g/m3以上となるだけでなく、さらにR410Aを基準とする吐出圧力比が105%以下となる。
点d(87.6, 0.0, 12.4)、
点g(18.2, 55.1, 26.7)、
点h(56.7, 43.3, 0.0)及び
点O(100.0, 0.0, 0.0)
の4点をそれぞれ結ぶ線分Od、dg、gh及びhOで囲まれる図形の範囲内又は前記線分Od、dg及びgh上にあり(ただし、点O及びhは除く)、
前記線分dgは、
座標(0.0047y2-1.5177y+87.598, y, -0.0047y2+0.5177y+12.402)
で表わされ、
前記線分ghは、
座標(-0.0134z2-1.0825z+56.692, 0.0134z2+0.0825z+43.308, z)
で表わされ、かつ
前記線分hO及びOdが直線であれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が92.5%以上となり、かつR410Aを基準とするCOP比が92.5%以上となる。
点l(72.5, 10.2, 17.3)、
点g(18.2, 55.1, 26.7)、
点h(56.7, 43.3, 0.0)及び
点i(72.5, 27.5, 0.0)
の4点をそれぞれ結ぶ線分lg、gh、hi及びilで囲まれる図形の範囲内又は前記線分lg、gh及びil上にあり(ただし、点h及び点iは除く)、
前記線分lgは、
座標(0.0047y2-1.5177y+87.598, y, -0.0047y2+0.5177y+12.402)
で表わされ、
前記線分ghは、
座標(-0.0134z2-1.0825z+56.692, 0.0134z2+0.0825z+43.308, z)
で表わされ、かつ
前記線分hi及びilが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が92.5%以上となり、かつR410Aを基準とするCOP比が92.5%以上となるだけでなく、さらにASHRAEの規格で微燃性(2Lクラス)を示す。
点d(87.6, 0.0, 12.4)、
点e(31.1, 42.9, 26.0)、
点f(65.5, 34.5, 0.0)及び
点O(100.0, 0.0, 0.0)
の4点をそれぞれ結ぶ線分Od、de、ef及びfOで囲まれる図形の範囲内又は前記線分Od、de及びef上にあり(ただし、点O及び点fは除く)、
前記線分deは、
座標(0.0047y2-1.5177y+87.598, y, -0.0047y2+0.5177y+12.402)
で表わされ、
前記線分efは、
座標(-0.0064z2-1.1565z+65.501, 0.0064z2+0.1565z+34.499, z)
で表わされ、かつ
前記線分fO及びOdが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が93.5%以上となり、かつR410Aを基準とするCOP比が93.5%以上となる。
点l(72.5, 10.2, 17.3)、
点e(31.1, 42.9, 26.0)、
点f(65.5, 34.5, 0.0)及び
点i(72.5, 27.5, 0.0)
の4点をそれぞれ結ぶ線分le、ef、fi及びilで囲まれる図形の範囲内又は前記線分le、ef及びil上にあり(ただし、点f及び点iは除く)、
前記線分LEは、
座標(0.0047y2-1.5177y+87.598, y, -0.0047y2+0.5177y+12.402)
で表わされ、
前記線分efは、
座標(-0.0134z2-1.0825z+56.692, 0.0134z2+0.0825z+43.308, z)
で表わされ、かつ
前記線分fi及びilが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が93.5%以上となり、かつR410Aを基準とするCOP比が93.5%以上となるだけでなく、さらにASHRAEの規格で微燃性(2Lクラス)を示す。
点a(93.4, 0.0, 6.6)、
点b(55.6, 26.6, 17.8)、
点c(77.6, 22.4, 0.0)及び
点O(100.0, 0.0, 0.0)
の4点をそれぞれ結ぶ線分Oa、ab、bc及びcOで囲まれる図形の範囲内又は前記線分Oa、ab及びbc上にあり(ただし、点O及び点cは除く)、
前記線分abは、
座標(0.0052y2-1.5588y+93.385, y, -0.0052y2+0. 5588y+6.615)
で表わされ、
前記線分bcは、
座標(-0.0032z2-1.1791z+77.593, 0.0032z2+0.1791z+22.407, z)
で表わされ、かつ
前記線分cO及びOaが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が95%以上となり、かつR410Aを基準とするCOP比が95%以上となる。
点k(72.5, 14.1, 13.4)、
点b(55.6, 26.6, 17.8)及び
点j(72.5, 23.2, 4.3)
の3点をそれぞれ結ぶ線分kb、bj及びjkで囲まれる図形の範囲内又は前記線分上にあり、
前記線分kbは、
座標(0.0052y2-1.5588y+93.385, y, -0.0052y2+0. 5588y+6.615)
で表わされ、
前記線分bjは、
座標(-0.0032z2-1.1791z+77.593, 0.0032z2+0.1791z+22.407, z)
で表わされ、かつ
前記線分jkが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が95%以上となり、かつR410Aを基準とするCOP比が95%以上となるだけでなく、さらにASHRAEの規格で微燃性(2Lクラス)を示す。
以下に、冷媒Aの実施例を挙げてさらに詳細に説明する。ただし、冷媒Bは、これらの実施例に限定されるものではない。
凝縮温度:45℃
過熱度:5K
過冷却度:5K
圧縮機効率:70%
これらの値を、各混合冷媒についてのGWPと合わせて表1~34に示す。
点A(68.6, 0.0, 31.4)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5, 70.5, 10.0)、
点C(32.9, 67.1, 0.0)及び
点O(100.0, 0.0, 0.0)
の7点をそれぞれ結ぶ線分AA’、A’B、BD、DC’、C’C、CO及びOAで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分CO上の点は除く)、
前記線分AA’は、
座標(x, 0.0016x2-0.9473x+57.497, 0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分BD、CO及びOAが直線である場合に、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が92.5%以上となることが判る。
点A(68.6, 0.0, 31.4)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点F(0.0, 61.8, 38.2)、
点T(35.8, 44.9, 19.3)、
点E(58.0, 42.0, 0.0)及び
点O(100.0, 0.0, 0.0)
の7点をそれぞれ結ぶ線分AA’、A’B、BF、FT、TE、EO及びOAで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分EO上の点は除く)、
前記線分AA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分FTは、
座標(x, 0.0078x2-0.7501x+61.8, -0.0078x2-0.2499x+38.2)
で表わされ、
前記線分TEは、
座標(x, 0.0067x2-0.7607x+63.525, -0.0067x2-0.2393x+36.475)
で表わされ、かつ
前記線分BF、FO及びOAが直線である場合に、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が95%以上となることが判る。
点L(63.1, 31.9, 5.0)及び
点M(60.3, 6.2, 33.5)
を結ぶ線分LMの上、又は当該線分の下側にある場合にRCLが40g/m3以上となることが明らかとなった。
点Q(62.8, 29.6, 7.6) 及び
点R(49.8, 42.3, 7.9)
を結ぶ線分QRの上、又は当該線分の左側にある場合に温度グライドが1℃以下となることが明らかとなった。
点S(62.6, 28.3, 9.1)及び
点T(35.8, 44.9, 19.3)
を結ぶ線分STの上、又は当該線分の右側にある場合にR410Aを基準とする吐出圧力比が105%以下となることが明らかとなった。
点J(47.1, 52.9, 0.0)、
点P(55.8, 42.0, 2.2)、
点L(63.1,31.9,5.0)
点N(68.6, 16.3, 15.1)
点N’(65.0,7.7,27.3)及び
点K(61.3, 5.4, 33.3)
の6点をそれぞれ結ぶ線分JP、PN及びNKの上、又は当該線分の下側にある場合に、WCF微燃、及びWCFF微燃性と判断できることが明らかとなった。
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分NKは、
座標(x, 0.2421x2-29.955x+931.91, -0.2421x2+28.955x-831.91)
で表わされる。
本開示の冷媒Bは、
トランス-1,2-ジフルオロエチレン(HFO-1132(E))及びトリフルオロエチレン(HFO-1123)の合計を、該冷媒の全体に対して99.5質量%以上含み、かつ、該冷媒が、HFO-1132(E)を、該冷媒の全体に対して62.0質量%~72.0質量%又は45.1質量%~47.1質量%含む、混合冷媒であるか、または、
HFO-1132(E)及びHFO-1123の合計を、該冷媒の全体に対して99.5質量%以上含み、かつ該冷媒が、HFO-1132(E)を、該冷媒の全体に対して45.1質量%~47.1質量%含む、混合冷媒である。
以下に、冷媒Bの実施例を挙げてさらに詳細に説明する。ただし、冷媒Bは、これらの実施例に限定されるものではない。
凝縮温度45℃
過熱温度5K
過冷却温度5K
圧縮機効率70%
本開示の冷媒Cは、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、トリフルオロエチレン(HFO-1123)及び2,3,3,3-テトラフルオロ-1-プロペン(R1234yf)、並びにジフルオロメタン(R32)を含む組成物であって、さらに以下の要件を満たす。本開示の冷媒Cは、R410Aと同等の冷凍能力及び成績係数を有し、かつGWPが十分に小さい、という、R410A代替冷媒として望ましい諸特性を有する。
本開示の冷媒Cは、HFO-1132(E)、HFO-1123及びR1234yf、並びにR32の、これらの総和を基準とする質量%をそれぞれx、y及びz、並びにaとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が(100-a)質量%となる3成分組成図において、座標(x,y,z)が、
0<a≦11.1のとき、
点G(0.026a2-1.7478a+72.0, -0.026a2+0.7478a+28.0, 0.0)、
点I(0.026a2-1.7478a+72.0, 0.0, -0.026a2+0.7478a+28.0)、
点A(0.0134a2-1.9681a+68.6, 0.0, -0.0134a2+0.9681a+31.4)、
点B(0.0, 0.0144a2-1.6377a+58.7, -0.0144a2+0.6377a+41.3)、
点D’(0.0, 0.0224a2+0.968a+75.4, -0.0224a2-1.968a+24.6)及び
点C(-0.2304a2-0.4062a+32.9, 0.2304a2-0.5938a+67.1, 0.0)
の6点をそれぞれ結ぶ直線GI、IA、AB、BD’、D’C及びCGで囲まれる図形の範囲内又は前記直線GI、AB及びD’C上にあり(ただし、点G、点I、点A、点B、点D’及び点Cは除く)、
11.1<a≦18.2のとき、
点G(0.02a2-1.6013a+71.105, -0.02a2+0.6013a+28.895, 0.0)、
点I(0.02a2-1.6013a+71.105, 0.0, -0.02a2+0.6013a+28.895)、
点A(0.0112a2-1.9337a+68.484, 0.0, -0.0112a2+0.9337a+31.516)、
点B(0.0, 0.0075a2-1.5156a+58.199, -0.0075a2+0.5156a+41.801)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、
18.2<a≦26.7のとき、
点G(0.0135a2-1.4068a+69.727, -0.0135a2+0.4068a+30.273, 0.0)、
点I(0.0135a2-1.4068a+69.727, 0.0, -0.0135a2+0.4068a+30.273)、
点A(0.0107a2-1.9142a+68.305, 0.0, -0.0107a2+0.9142a+31.695)、
点B(0.0, 0.009a2-1.6045a+59.318, -0.009a2+0.6045a+40.682)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、
26.7<a≦36.7のとき、
点G(0.0111a2-1.3152a+68.986, -0.0111a2+0.3152a+31.014, 0.0)、
点I(0.0111a2-1.3152a+68.986, 0.0, -0.0111a2+0.3152a+31.014)、
点A(0.0103a2-1.9225a+68.793, 0.0, -0.0103a2+0.9225a+31.207)、
点B(0.0, 0.0046a2-1.41a+57.286, -0.0046a2+0.41a+42.714)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、及び
36.7<a≦46.7のとき、
点G(0.0061a2-0.9918a+63.902, -0.0061a2-0.0082a+36.098, 0.0)、
点I(0.0061a2-0.9918a+63.902, 0.0, -0.0061a2+0.0082a+36.098)、
点A(0.0085a2-1.8102a+67.1, 0.0, -0.0085a2+0.8102a+32.9)、
点B(0.0, 0.0012a2-1.1659a+52.95, -0.0012a2+0.1659a+47.05)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にある(ただし、点G、点I、点A、点B及び点Wは除く)ものが含まれる。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が92.5%以上となり、さらにWCF微燃性となる。
0<a≦11.1のとき、
点J(0.0049a2-0.9645a+47.1, -0.0049a2-0.0355a+52.9, 0.0)、
点K’(0.0514a2-2.4353a+61.7, -0.0323a2+0.4122a+5.9, -0.0191a2+1.0231a+32.4)、
点B(0.0, 0.0144a2-1.6377a+58.7, -0.0144a2+0.6377a+41.3)、
点D’(0.0, 0.0224a2+0.968a+75.4, -0.0224a2-1.968a+24.6)及び
点C(-0.2304a2-0.4062a+32.9, 0.2304a2-0.5938a+67.1, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’B、BD’、D’C及びCJで囲まれる図形の範囲内又は前記直線JK’、K’B及びD’C上にあり(ただし、点J、点B、点D’及び点Cは除く)、
11.1<a≦18.2のとき、
点J(0.0243a2-1.4161a+49.725, -0.0243a2+0.4161a+50.275, 0.0)、
点K’(0.0341a2-2.1977a+61.187, -0.0236a2+0.34a+5.636, -0.0105a2+0.8577a+33.177)、
点B(0.0, 0.0075a2-1.5156a+58.199, -0.0075a2+0.5156a+41.801)及び
点W(0.0, 100.0-a, 0.0)
の4点をそれぞれ結ぶ直線JK’、K’B、BW及びWJで囲まれる図形の範囲内又は前記直線JK’及びK’B上にあり(ただし、点J、点B及び点Wは除く)、
18.2<a≦26.7のとき、
点J(0.0246a2-1.4476a+50.184, -0.0246a2+0.4476a+49.816, 0.0)、
点K’(0.0196a2-1.7863a+58.515, -0.0079a2-0.1136a+8.702, -0.0117a2+0.8999a+32.783)、
点B(0.0, 0.009a2-1.6045a+59.318, -0.009a2+0.6045a+40.682)及び
点W(0.0, 100.0-a, 0.0)
の4点をそれぞれ結ぶ直線JK’、K’B、BW及びWJで囲まれる図形の範囲内又は前記直線JK’及びK’B上にあり(ただし、点J、点B及び点Wは除く)、
26.7<a≦36.7のとき、
点J(0.0183a2-1.1399a+46.493, -0.0183a2+0.1399a+53.507, 0.0)、
点K’(-0.0051a2+0.0929a+25.95, 0.0, 0.0051a2-1.0929a+74.05)、
点A(0.0103a2-1.9225a+68.793, 0.0, -0.0103a2+0.9225a+31.207)、
点B(0.0, 0.0046a2-1.41a+57.286, -0.0046a2+0.41a+42.714)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’A、AB、BW及びWJで囲まれる図形の範囲内又は前記直線JK’、K'A及びAB上にあり(ただし、点J、点B及び点Wは除く)、及び
36.7<a≦46.7のとき、
点J(-0.0134a2+1.0956a+7.13, 0.0134a2-2.0956a+92.87, 0.0)、
点K’(-1.892a+29.443, 0.0, 0.892a+70.557)、
点A(0.0085a2-1.8102a+67.1, 0.0, -0.0085a2+0.8102a+32.9)、
点B(0.0, 0.0012a2-1.1659a+52.95, -0.0012a2+0.1659a+47.05)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’A、AB、BW及びWJで囲まれる図形の範囲内又は前記直線JK’、K'A及びAB上にある(ただし、点J、点B及び点Wは除く)ものが含まれる。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、かつR410Aを基準とするCOP比が92.5%以上となるだけでなく、さらにWCF微燃及びWCFF微燃でASHRAE規格では微燃性冷媒である「2Lクラス」を示す。
0<a≦10.0のとき、
点a(0.02a2-2.46a+93.4, 0, -0.02a2+2.46a+6.6)、
点b’(-0.008a2-1.38a+56, 0.018a2-0.53a+26.3, -0.01a2+1.91a+17.7)、
点c(-0.016a2+1.02a+77.6, 0.016a2-1.02a+22.4, 0)及び
点o(100.0-a, 0.0, 0.0)
の4点をそれぞれ結ぶ直線で囲まれる図形の範囲内又は前記直線oa、ab’及びb’c上にあり(ただし、点o及び点cは除く)、
10.0<a≦16.5のとき、
点a(0.0244a2-2.5695a+94.056, 0, -0.0244a2+2.5695a+5.944)、
点b’(0.1161a2-1.9959a+59.749, 0.014a2-0.3399a+24.8, -0.1301a2+2.3358a+15.451)、
点c(-0.0161a2+1.02a+77.6, 0.0161a2-1.02a+22.4, 0)及び
点o(100.0-a, 0.0, 0.0)
の4点をそれぞれ結ぶ直線で囲まれる図形の範囲内又は前記直線oa、ab’及びb’c上にあり(ただし、点o及び点cは除く)、又は
16.5<a≦21.8のとき、
点a(0.0161a2-2.3535a+92.742, 0, -0.0161a2+2.3535a+7.258)、
点b’(-0.0435a2-0.0435a+50.406, -0.0304a2+1.8991a-0.0661, 0.0739a2-1.8556a+49.6601)、
点c(-0.0161a2+0.9959a+77.851, 0.0161a2-0.9959a+22.149, 0)及び
点o(100.0-a, 0.0, 0.0)
の4点をそれぞれ結ぶ直線で囲まれる図形の範囲内又は前記直線oa、ab’及びb’c上にあるものとすることができる(ただし、点o及び点cは除く)。なお、点b’は、前記3成分組成図において、R410Aを基準とする冷凍能力比が95%となり、かつR410Aを基準とするCOP比が95%となる点を点bとすると、R410Aを基準とするCOP比が95%となる点を結ぶ近似直線と、直線abとの交点である。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が95%以上となり、かつR410Aを基準とするCOP比が95%以上となる。
以下に、冷媒Cの実施例を挙げてさらに詳細に説明する。ただし、冷媒Cは、これらの実施例に限定されるものではない。
凝縮温度:45℃
過熱度:5K
過冷却度;5K
圧縮機効率70%
これらの値を、各混合冷媒についてのGWPと合わせて表39~96に示す。なお、比COP及び比冷凍能力については、R410Aに対する割合を示す。
0<a≦11.1のとき、
点A(0.0134a2-1.9681a+68.6, 0.0, -0.0134a2+0.9681a+31.4)と
点B(0.0, 0.0144a2-1.6377a+58.7, -0.0144a2+0.6377a+41.3)と
を結ぶ直線ABの線上又は左側、
11.1<a≦18.2のとき、
点A(0.0112a2-1.9337a+68.484, 0.0, -0.0112a2+0.9337a+31.516)と
点B(0.0, 0.0075a2-1.5156a+58.199, -0.0075a2+0.5156a+41.801)と
を結ぶ直線ABの線上又は左側、
18.2<a≦26.7のとき、
点A(0.0107a2-1.9142a+68.305, 0.0, -0.0107a2+0.9142a+31.695)と
点B(0.0, 0.009a2-1.6045a+59.318, -0.009a2+0.6045a+40.682)と
を結ぶ直線ABの線上又は左側、
26.7<a≦36.7のとき、
点A(0.0103a2-1.9225a+68.793, 0.0, -0.0103a2+0.9225a+31.207)と
点B(0.0, 0.0046a2-1.41a+57.286, -0.0046a2+0.41a+42.714)と
を結ぶ直線ABの線上又は左側、並びに
36.7<a≦46.7のとき、
点A(0.0085a2-1.8102a+67.1, 0.0, -0.0085a2+0.8102a+32.9)と
点B(0.0, 0.0012a2-1.1659a+52.95, -0.0012a2+0.1659a+47.05)と
を結ぶ直線ABの線上又は左側にある場合に、R410Aを基準とする冷凍能力比が85%以上となることが判る。なお、実際の冷凍能力比85%の点は、図4に示す点A、点Bを結ぶ1234yf側に広がった曲線となる。従って、直線ABの線上又は左側にある場合に、R410Aを基準とする冷凍能力比が85%以上となる。
0<a≦11.1のとき、
点D’(0.0, 0.0224a2+0.968a+75.4, -0.0224a2-1.968a+24.6)と
点C(-0.2304a2-0.4062a+32.9, 0.2304a2-0.5938a+67.1, 0.0)と
を結ぶ直線D’Cの線上又は右側にある場合に、また、
11.1<a≦46.7のとき、
全ての領域内にある場合に、R410Aを基準とするCOP比が92.5%以上となることが判る。
0<a≦11.1のとき、
点G(0.026a2-1.7478a+72.0, -0.026a2+0.7478a+28.0, 0.0)と
点I(0.026a2-1.7478a+72.0, 0.0, -0.026a2+0.7478a+28.0)と
を結ぶ直線GIの線上又は下、
11.1<a≦18.2のとき、
点G(0.02a2-1.6013a+71.105, -0.02a2+0.6013a+28.895, 0.0)と
点I(0.02a2-1.6013a+71.105, 0.0, -0.02a2+0.6013a+28.895)と
を結ぶ直線GIの線上又は下、
18.2<a≦26.7のとき、
点G(0.0135a2-1.4068a+69.727, -0.0135a2+0.4068a+30.273, 0.0)と
点I(0.0135a2-1.4068a+69.727, 0.0, -0.0135a2+0.4068a+30.273)と
を結ぶ直線GIの線上又は下、
26.7<a≦36.7のとき、
点G(0.0111a2-1.3152a+68.986, -0.0111a2+0.3152a+31.014, 0.0)と
点I(0.0111a2-1.3152a+68.986, 0.0, -0.0111a2+0.3152a+31.014)と
を結ぶ直線GIの線上又は下、及び
36.7<a≦46.7のとき、
点G(0.0061a2-0.9918a+63.902, -0.0061a2-0.0082a+36.098,0.0)と
点I(0.0061a2-0.9918a+63.902, 0.0, -0.0061a2-0.0082a+36.098)と
を結ぶ直線GIの線上又は下にある場合に、WCF微燃性と判断できることが明らかとなった。なお、点G(表105)及びI(表106)は、計算により以下の5範囲毎に三点ずつを求め、これらの近似式を求めた。
0<a≦11.1のとき、
点J(0.0049a2-0.9645a+47.1, -0.0049a2-0.0355a+52.9, 0.0)と
点K’(0.0514a2-2.4353a+61.7, -0.0323a2+0.4122a+5.9, -0.0191a2+1.0231a+32.4)と
を結ぶ直線JK’の線上又は下、
11.1<a≦18.2のとき、
点J(0.0243a2-1.4161a+49.725, -0.0243a2+0.4161a+50.275, 0.0)と
点K’(0.0341a2-2.1977a+61.187, -0.0236a2+0.34a+5.636, -0.0105a2+0.8577a+33.177)と
を結ぶ直線JK’の線上又は下、
18.2<a≦26.7のとき、
点J(0.0246a2-1.4476a+50.184, -0.0246a2+0.4476a+49.816, 0.0)と
点K’(0.0196a2-1.7863a+58.515, -0.0079a2-0.1136a+8.702, -0.0117a2+0.8999a+32.783)とを結ぶ直線JK’の線上又は下、
26.7<a≦36.7のとき、
点J(0.0183a2-1.1399a+46.493, -0.0183a2+0.1399a+53.507, 0.0)と
点K’(-0.0051a2+0.0929a+25.95, 0.0, 0.0051a2-1.0929a+74.05)と
を結ぶ直線JK’の線上又は下、及び
36.7<a≦46.7のとき、
点J(-0.0134a2+1.0956a+7.13, 0.0134a2-2.0956a+92.87, 0.0)と
点K’(-1.892a+29.443, 0.0, 0.892a+70.557)と
を結ぶ直線JK’の線上又は下にある場合に、WCFF微燃性と判断でき、ASHRAE規格の燃焼性分類で「2L(微燃性)」になることが明らかとなった。
本開示の冷媒Dは、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、ジフルオロメタン(R32)及び2,3,3,3-テトラフルオロ-1-プロペン(R1234yf)を含む混合冷媒である。
点I(72.0, 0.0, 28.0)、
点J(48.5, 18.3, 33.2)、
点N(27.7, 18.2, 54.1)及び
点E(58.3, 0.0, 41.7)
の4点をそれぞれ結ぶ線分IJ、JN、NE、及びEIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分EI上にある点は除く)、
前記線分IJは、
座標(0.0236y2-1.7616y+72.0, y, -0.0236y2+0.7616y+28.0)
で表わされ、
前記線分NEは、
座標(0.012y2-1.9003y+58.3, y, -0.012y2+0.9003y+41.7)
で表わされ、かつ
前記線分JN及びEIが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が80%以上となり、GWPが125以下となり、かつWCF微燃となる。
点M(52.6, 0.0, 47.4)、
点M’(39.2, 5.0, 55.8)、
点N(27.7, 18.2, 54.1)、
点V(11.0, 18.1, 70.9)及び
点G(39.6, 0.0, 60.4)
の5点をそれぞれ結ぶ線分MM’、M’N、NV、VG、及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GM上にある点は除く)、
前記線分MM’は、
座標(x, 0.132x2-3.34x+52.6, -0.132x2+2.34x+47.4)
で表わされ、
前記線分M’Nは、
座標(x, 0.0313x2-1.4551x+43.824, -0.0313x2+0.4551x+56.176)
で表わされ、
前記線分VGは、
座標(0.0123y2-1.8033y+39.6, y, -0.0123y2+0.8033y+60.4)
で表わされ、かつ
前記線分NV及びGMが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が70%以上となり、GWPが125以下となり、かつASHRAE微燃となる。
点O(22.6, 36.8, 40.6)、
点N(27.7, 18.2, 54.1)及び
点U(3.9, 36.7, 59.4)
の3点をそれぞれ結ぶ線分ON、NU及びUOで囲まれる図形の範囲内又は前記線分上にあり、
前記線分ONは、
座標(0.0072y2-0.6701y+37.512, y, -0.0072y2-0.3299y+62.488)
で表わされ、
前記線分NUは、
座標(0.0083y2-1.7403y+56.635, y, -0.0083y2+0.7403y+43.365)
で表わされ、かつ
前記線分UOが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が80%以上となり、GWPが250以下となり、かつASHRAE微燃となる。
点Q(44.6, 23.0, 32.4)、
点R(25.5, 36.8, 37.7)、
点T(8.6, 51.6, 39.8)、
点L(28.9, 51.7, 19.4)及び
点K(35.6, 36.8, 27.6)
の5点をそれぞれ結ぶ線分QR、RT、TL、LK及びKQで囲まれる図形の範囲内又は前記線分上にあり、
前記線分QRは、
座標(0.0099y2-1.975y+84.765, y, -0.0099y2+0.975y+15.235)
で表わされ、
前記線分RTは、
座標(0.082y2-1.8683y+83.126, y, -0.082y2+0.8683y+16.874)
で表わされ、
前記線分LKは、
座標(0.0049y2-0.8842y+61.488, y, -0.0049y2-0.1158y+38.512)
で表わされ、
前記線分KQは、
座標(0.0095y2-1.2222y+67.676, y, -0.0095y2+0.2222y+32.324)
で表わされ、かつ
前記線分TLが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が92.5%以上となり、GWPが350以下となり、かつWCF微燃となる。
する質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、R32及びR1234yfの
総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点P(20.5, 51.7, 27.8)、
点S(21.9, 39.7, 38.4)及び
点T(8.6, 51.6, 39.8)
の3点をそれぞれ結ぶ線分PS、ST及びTPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分PSは、
座標(0.0064y2-0.7103y+40.1, y, -0.0064y2-0.2897y+59.9)
で表わされ、
前記線分STは、
座標(0.082y2-1.8683y+83.126, y, -0.082y2+0.8683y+16.874)
で表わされ、かつ
前記線分TPが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が92.5%以上となり、GWPが350以下となり、かつASHRAE微燃となる。
点a(71.1, 0.0, 28.9)、
点c(36.5, 18.2, 45.3)、
点f(47.6, 18.3, 34.1)及び
点d(72.0, 0.0, 28.0)
の4点をそれぞれ結ぶ線分ac、cf、fd、及びdaで囲まれる図形の範囲内又は前記線分上にあり、
前記線分acは、
座標(0.0181y2-2.2288y+71.096, y, -0.0181y2+1.2288y+28.904)
で表わされ、
前記線分fdは、
座標(0.02y2-1.7y+72, y, -0.02y2+0.7y+28)
で表わされ、かつ
前記線分cf及びdaが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、GWPが125以下となり、かつASHRAEの規格で微燃性(2Lクラス)となる。
点a(71.1, 0.0, 28.9)、
点b(42.6, 14.5, 42.9)、
点e(51.4, 14.6, 34.0)及び
点d(72.0, 0.0, 28.0)
の4点をそれぞれ結ぶ線分ab、be、ed、及びdaで囲まれる図形の範囲内又は前記線分上にあり、
前記線分abは、
座標(0.0181y2-2.2288y+71.096, y, -0.0181y2+1.2288y+28.904)
で表わされ、
前記線分edは、
座標(0.02y2-1.7y+72, y, -0.02y2+0.7y+28)
で表わされ、かつ
前記線分be及びdaが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が85%以上となり、GWPが100以下となり、かつASHRAEの規格で微燃性(2Lクラス)となる。
点g(77.5, 6.9, 15.6)、
点iI(55.1, 18.3, 26.6)及び
点j(77.5. 18.4, 4.1)
の3点をそれぞれ結ぶ線分gi、ij及びjkで囲まれる図形の範囲内又は前記線分上にあり、
前記線分giは、
座標(0.02y2-2.4583y+93.396, y, -0.02y2+1.4583y+6.604)
で表わされ、かつ
前記線分ij及びjkが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が95%以上となり、GWPが100以下となり、かつ重合や分解などの変化を起こしにくく、安定性に優れている。
点g(77.5, 6.9, 15.6)、
点h(61.8, 14.6, 23.6)及び
点k(77.5, 14.6, 7.9)
の3点をそれぞれ結ぶ線分gh、hk及びkgで囲まれる図形の範囲内又は前記線分上にあり、
前記線分ghは、
座標(0.02y2-2.4583y+93.396, y, -0.02y2+1.4583y+6.604)
で表わされ、かつ
前記線分hk及びkgが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とする冷凍能力比が95%以上となり、GWPが100以下となり、かつ重合や分解などの変化を起こしにくく、安定性に優れている。
以下に、冷媒Dの実施例を挙げてさらに詳細に説明する。ただし、冷媒Dは、これらの実施例に限定されるものではない。
凝縮温度:45℃
過熱度:5K
過冷却度;5K
圧縮機効率70%
これらの値を、各混合冷媒についてのGWPと合わせて表116~144に示す。
点I(72.0, 0.0, 28.0)、
点J(48.5, 18.3, 33.2)、
点N(27.7, 18.2, 54.1)及び
点E(58.3, 0.0, 41.7)
の4点をそれぞれ結ぶ線分IJ、JN、NE、及びEIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分EI上にある点は除く)、
前記線分IJは、
座標(0.0236y2-1.7616y+72.0, y, -0.0236y2+0.7616y+28.0)
で表わされ、
前記線分NEは、
座標(0.012y2-1.9003y+58.3, y, -0.012y2+0.9003y+41.7)
で表わされ、かつ
前記線分JN及びEIが直線である場合、R410Aを基準とする冷凍能力比が80%以上となり、GWPが125以下となり、かつWCF微燃となることが判る。
点M(52.6, 0.0, 47.4)、
点M’(39.2, 5.0, 55.8)、
点N(27.7, 18.2, 54.1)、
点V(11.0, 18.1, 70.9)及び
点G(39.6, 0.0, 60.4)
の5点をそれぞれ結ぶ線分MM’、M’N、NV、VG、及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GM上にある点は除く)、
前記線分MM’は、
座標(x, 0.132x2-3.34x+52.6, -0.132x2+2.34x+47.4)
で表わされ、
前記線分M’Nは、
座標(x, 0.0313x2-1.4551x+43.824, -0.0313x2+0.4551x+56.176)
で表わされ、
前記線分VGは、
座標(0.0123y2-1.8033y+39.6, y, -0.0123y2+0.8033y+60.4)
で表わされ、かつ
前記線分NV及びGMが直線である場合、R410Aを基準とする冷凍能力比が70%以上となり、GWPが125以下となり、かつASHRAE微燃となることが判る。
点O(22.6, 36.8, 40.6)、
点N(27.7, 18.2, 54.1)及び
点U(3.9, 36.7, 59.4)
の3点をそれぞれ結ぶ線分ON、NU及びUOで囲まれる図形の範囲内又は前記線分上にあり、
前記線分ONは、
座標(0.0072y2-0.6701y+37.512, y, -0.0072y2-0.3299y+62.488)
で表わされ、
前記線分NUは、
座標(0.0083y2-1.7403y+56.635, y, -0.0083y2+0.7403y+43.365)
で表わされ、かつ
前記線分UOが直線である場合、R410Aを基準とする冷凍能力比が80%以上となり、GWPが250以下となり、かつASHRAE微燃となることが判る。
点Q(44.6, 23.0, 32.4)、
点R(25.5, 36.8, 37.7)、
点T(8.6, 51.6, 39.8)、
点L(28.9, 51.7, 19.4)及び
点K(35.6, 36.8, 27.6)
の5点をそれぞれ結ぶ線分QR、RT、TL、LK及びKQで囲まれる図形の範囲内又は前記線分上にあり、
前記線分QRは、
座標(0.0099y2-1.975y+84.765, y, -0.0099y2+0.975y+15.235)
で表わされ、
前記線分RTは、
座標(0.082y2-1.8683y+83.126, y, -0.082y2+0.8683y+16.874)
で表わされ、
前記線分LKは、
座標(0.0049y2-0.8842y+61.488, y, -0.0049y2-0.1158y+38.512)
で表わされ、
前記線分KQは、
座標(0.0095y2-1.2222y+67.676, y, -0.0095y2+0.2222y+32.324)
で表わされ、かつ
前記線分TLが直線である場合、R410Aを基準とする冷凍能力比が92.5%以上となり、GWPが350以下となり、かつWCF微燃となることが判る。
点P(20.5, 51.7, 27.8)、
点S(21.9, 39.7, 38.4)及び
点T(8.6, 51.6, 39.8)
の3点をそれぞれ結ぶ線分PS、ST及びTPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分PSは、
座標(0.0064y2-0.7103y+40.1, y, -0.0064y2-0.2897y+59.9)
で表わされ、
前記線分STは、
座標(0.082y2-1.8683y+83.126, y, -0.082y2+0.8683y+16.874)
で表わされ、かつ
前記線分TPが直線である場合、R410Aを基準とする冷凍能力比が92.5%以上となり、GWPが350以下となり、かつASHRAE微燃となることが判る。
本開示の冷媒Eは、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、トリフルオロエチレン(HFO-1123)及びジフルオロメタン(R32)を含む混合冷媒である。
点I(72.0, 28,0, 0.0)
点K(48.4, 33.2, 18.4)
点B’(0.0, 81.6, 18.4)
点H(0.0, 84.2, 15.8)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の6点をそれぞれ結ぶ線分IK、KB’、B’H、HR、RG及びGIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’H及びGI上の点を除く)、
前記線分IKは、
座標(0.025z2-1.7429z+72.00, -0.025z2+0.7429z+28.0, z)
で表わされ、
前記線分HRは、
座標(-0.3123z2+4.234z+11.06, 0.3123z2-5.234z+88.94, z)
で表わされ、
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、かつ
前記線分KB’及びGIが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、WCF微燃であり、R410Aを基準とするCOP比が93%以上となり、かつGWPが125以下となる。
点I(72.0, 28,0, 0.0)
点J(57.7, 32.8, 9.5)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の4点をそれぞれ結ぶ線分IJ、JR、RG及びGIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GI上の点を除く)、
前記線分IJは、
座標(0.025z2-1.7429z+72.0, -0.025z2+0.7429z+28.0, z)
で表わされ、かつ
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、
前記線分JR及びGIが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、WCF微燃であり、R410Aを基準とするCOP比が93%以上となり、かつGWPが125以下となる。
点M(47.1, 52.9, 0.0)
点P(31.8, 49.8, 18.4)
点B’(0.0, 81.6, 18.4)
点H(0.0, 84.2, 15.8)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の6点をそれぞれ結ぶ線分MP、PB’、B’H、HR、RG及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’H及びGM上の点を除く)、
前記線分MPは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、
前記線分HRは、
座標(-0.3123z2+4.234z+11.06, 0.3123z2-5.234z+88.94, z)
で表わされ、
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、かつ
前記線分PB’及びGMが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、ASHRAE微燃であり、R410Aを基準とするCOP比が93%以上となり、かつGWPが125以下となる。
点M(47.1, 52.9, 0.0)
点N(38.5, 52.1, 9.5)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の4点をそれぞれ結ぶ線分MN、NR、RG及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GM上の点を除く)、
前記線分MNは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、かつ
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、
前記線分JR及びGIが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、ASHRAE微燃であり、R410Aを基準とするCOP比が93%以上となり、かつGWPが65以下となる。
点P(31.8, 49.8, 18.4)
点S(25.4, 56.2, 18.4)及び
点T(34.8, 51.0, 14.2)
の3点をそれぞれ結ぶ線分PS、ST及びTPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分STは、
座標(-0.0982z2+0.9622z+40.931, 0.0982z2-1.9622z+59.069, z)
で表わされ、かつ
前記線分TPは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、
前記線分PSが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、ASHRAE微燃であり、R410Aを基準とするCOP比が94.5%以上となり、かつGWPが125以下となる。
点Q(28.6, 34.4, 37.0)
点B’’(0.0, 63.0, 37.0)
点D(0.0, 67.0, 33.0)及び
点U(28.7, 41.2, 30.1)
の4点をそれぞれ結ぶ線分QB’’、B’’D、DU及びUQで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’’D上の点を除く)、
前記線分DUは、
座標(-3.4962z2+210.71z-3146.1, 3.4962z2-211.71z+3246.1, z)で表わされ、かつ
前記線分UQは、
座標(0.0135z2-0.9181z+44.133, -0.0135z2-0.0819z+55.867, z)で表わされ、
前記線分QB’’及びB’’Dが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、ASHRAE微燃であり、R410Aを基準とするCOP比が96%以上となり、かつGWPが250以下となる。
点O(100.0, 0.0, 0.0)、
点c’(56.7, 43.3, 0.0)、
点d’(52.2, 38.3, 9.5)、
点e’(41.8, 39.8, 18.4)及び
点a’(81.6, 0.0, 18.4)
の5点をそれぞれ結ぶ線分Oc’、c’d’、d’e’、e’a’及びa’Oで囲まれる図形の範囲内又は前記線分c’d’、d’e’及びe’a’上にあり(ただし、点c’及びa’を除く)、
前記線分c’d’は、
座標(-0.0297z2-0.1915z+56.7, 0.0297z2+1.1915z+43.3, z)
で表わされ、
前記線分d’e’は、
座標(-0.0535z2+0.3229z+53.957, 0.0535z2+0.6771z+46.043, z)で表わされ、かつ
前記線分Oc’、e’a’及びa’Oが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とするCOP比が92.5%以上となり、かつGWPが125以下となる。
点O(100.0, 0.0, 0.0)、
点c(77.7, 22.3, 0.0)、
点d(76.3, 14.2, 9.5)、
点e(72.2, 9.4, 18.4)及び
点a’(81.6, 0.0, 18.4)
の5点をそれぞれ結ぶ線分Oc、cd、de、ea’及びa’Oで囲まれる図形の範囲内又は前記線分cd、de及びea’上にあり(ただし、点c及びa’を除く)、
前記線分cdeは、
座標(-0.017z2+0.0148z+77.684, 0.017z2+0.9852z+22.316, z)で表わされ、かつ
前記線分Oc、ea’及びa’Oが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とするCOP比が95%以上となり、かつGWPが125以下となる。
点O(100.0, 0.0, 0.0)、
点c’(56.7, 43.3, 0.0)、
点d’(52.2, 38.3, 9.5)及び
点a(90.5, 0.0, 9.5)
の5点をそれぞれ結ぶ線分Oc’、c’d’、d’a及びaOで囲まれる図形の範囲内又は前記線分c’d’及びd’a上にあり(ただし、点c’及びaを除く)、
前記線分c’d’は、
座標(-0.0297z2-0.1915z+56.7, 0.0297z2+1.1915z+43.3, z)で表わされ、かつ
前記線分Oc’、d’a及びaOが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とするCOP比が93.5%以上となり、かつGWPが65以下となる。
点O(100.0, 0.0, 0.0)、
点c(77.7, 22.3, 0.0)、
点d(76.3, 14.2, 9.5)、
点a(90.5, 0.0, 9.5)
の5点をそれぞれ結ぶ線分Oc、cd、da及びaOで囲まれる図形の範囲内又は前記線分cd及びda上にあり(ただし、点c及びaを除く)、
前記線分CDは、
座標(-0.017z2+0.0148z+77.684, 0.017z2+0.9852z+22.316, z)で表わされ、かつ
前記線分Oc、da及びaOが直線であるものであれば好ましい。本開示の冷媒は、上記要件が満たされる場合、R410Aを基準とするCOP比が95%以上となり、かつGWPが65以下となる。
以下に、冷媒Eの実施例を挙げてさらに詳細に説明する。ただし、冷媒Eは、これらの実施例に限定されるものではない。
点I(72.0, 28,0, 0.0)
点K(48.4, 33.2, 18.4)及び
点L(35.5, 27.5, 37.0)
の3点をそれぞれ結ぶ線分IK及びKLの上、又は当該線分の下側にあり、
前記線分IKは、
座標(0.025z2-1.7429z+72.00, -0.025z2+0.7429z+28.00, z)で表わされ、かつ
前記線分KLは、
座標(0.0098z2-1.238z+67.852, -0.0098z2+0.238z+32.148, z)で表わされる場合にWCF微燃と判断できることが明らかとなった。
点M(47.1, 52.9, 0.0)、
点P(31.8, 49.8, 18.4)及び
点Q(28.6, 34.4, 37.0)
の3点をそれぞれ結ぶ線分MP及びPQの上、又は当該線分の下側にある場合にASHRAE微燃と判断できることが明らかとなった。ただし、前記線分MPは、座標(0.0083z2-0.984z+47.1, -0.0083z2-0.016z+52.9,z)で表わされ、前記線分PQは、座標(0.0135z2-0.9181z+44.133, -0.0135z2-0.0819z+55.867,z)で表わされる。
凝縮温度:45℃
過熱度:5K
過冷却度;5K
圧縮機効率70%
点O(100.0, 0.0, 0.0)、
点A’’(63.0, 0.0, 37.0)、
点B’’(0.0, 63.0, 37.0)及び
点(0.0, 100.0, 0.0)
の4点をそれぞれ結ぶ線分で囲まれる図形の範囲内又は前記線分上にある場合、GWPが250以下となることが判る。
点O(100.0, 0.0, 0.0)、
点A’(81.6, 0.0, 18.4)、
点B’(0.0, 81.6, 18.4)及び
点(0.0, 100.0, 0.0)
の4点をそれぞれ結ぶ線分で囲まれる図形の範囲内又は前記線分上にある場合、GWPが125以下となることが判る。
点O(100.0, 0.0, 0.0)、
点A(90.5, 0.0, 9.5)、
点B(0.0, 90.5, 9.5)及び
点(0.0, 100.0, 0.0)
の4点をそれぞれ結ぶ線分で囲まれる図形の範囲内又は前記線分上にある場合、GWPが65以下となることが判る。
点C(50.0, 31.6, 18.4)、
点U(28.7, 41.2, 30.1)及び
点D(52.2, 38.3, 9.5)
の3点をそれぞれ結ぶ線分の左側又は前記線分上にある場合、R410Aを基準とするCOP比が96%以上となることが判る。ただし、前記線分CUは、座標(-0.0538z2+0.7888z+53.701, 0.0538z2-1.7888z+46.299, z)前記線分UDは、座標(-3.4962z2+210.71z-3146.1, 3.4962z2-211.71z+3246.1, z)で表わされる。
点E(55.2, 44.8, 0.0)と、
点T(34.8, 51.0, 14.2)
点F(0.0, 76.7, 23.3)と
の3点をそれぞれ結ぶ線分の左側又は前記線分上にある場合、R410Aを基準とするCOP比が94.5%以上となることが判る。ただし、前記線分ETは、座標(-0.0547z2-0.5327z+53.4, 0.0547z2-0.4673z+46.6, z)前記線分TFは、座標(-0.0982z2+0.9622z+40.931, 0.0982z2-1.9622z+59.069, z)で表わされる。線分ET上の点は、点E,実施例2,Tの3点から最小二乗法にて求められる。
点G(0.0, 76.7, 23.3)、
点R(21.0, 69.5, 9.5)及び
点H(0.0, 85.9, 14.1)
の3点をそれぞれ結ぶ線分の左側又は前記線分上にある場合、R410Aを基準とするCOP比が93%以上となることが判る。ただし、前記線分GRは、座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)で表わされ、かつ前記線分RHは、座標(-0.3123z2+4.234z+11.06, 0.3123z2-5.234z+88.94, z)で表わされる。
4 圧縮機
5 室外熱交換器(凝縮器、蒸発器)
6 膨張弁(減圧部)
7 室内熱交換器(蒸発器、凝縮器)
10 冷媒回路
Claims (32)
- 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、トリフルオロエチレン(HFO-1123)及び2,3,3,3-テトラフルオロ-1-プロペン(R1234yf)を含む、
冷凍サイクル装置。 - 前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点A(68.6, 0.0, 31.4)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5,70.5,10.0)、
点C(32.9, 67.1, 0.0)及び
点O(100.0, 0.0, 0.0)
の7点をそれぞれ結ぶ線分AA’、A’B、BD、DC’、C’C、CO及びOAで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BD、CO及びOA上の点は除く)、
前記線分AA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分BD、CO及びOAが直線である、
請求項1に記載の冷凍サイクル装置。 - 前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点G(72.0, 28.0, 0.0)、
点I(72.0, 0.0, 28.0)、
点A(68.6, 0.0, 31.4)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5,70.5,10.0) 及び
点C(32.9, 67.1, 0.0)
の8点をそれぞれ結ぶ線分GI、IA、AA’、A’B、BD、DC’、C’C及びCGで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分IA、BD及びCG上の点は除く)、
前記線分AA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分GI、IA、BD及びCGが直線である、
請求項1に記載の冷凍サイクル装置。 - 前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点J(47.1, 52.9, 0.0)、
点P(55.8, 42.0, 2.2)、
点N(68.6, 16.3, 15.1)、
点K(61.3, 5.4, 33.3)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5,70.5,10.0) 及び
点C(32.9, 67.1, 0.0)
の9点をそれぞれ結ぶ線分JP、PN、NK、KA’、A’B、BD、DC’、C’C及びCJで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BD及びCJ上の点は除く)、
前記線分PNは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分NKは、
座標(x, 0.2421x2-29.955x+931.91, -0.2421x2+28.955x-831.91)
で表わされ、
前記線分KA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分JP、BD及びCGが直線である、
請求項1に記載の冷凍サイクル装置。 - 前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点J(47.1, 52.9, 0.0)、
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点D(0.0, 80.4, 19.6)、
点C’(19.5,70.5,10.0) 及び
点C(32.9, 67.1, 0.0)
の9点をそれぞれ結ぶ線分JP、PL、LM、MA’、A’B、BD、DC’、C’C及びCJで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BD及びCJ上の点は除く)、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分DC’は、
座標(x, 0.0082x2-0.6671x+80.4, -0.0082x2-0.3329x+19.6)
で表わされ、
前記線分C’Cは、
座標(x, 0.0067x2-0.6034x+79.729, -0.0067x2-0.3966x+20.271)
で表わされ、かつ
前記線分JP、LM、BD及びCGが直線である、
請求項1に記載の冷凍サイクル装置。 - 前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点F(0.0, 61.8, 38.2)及び
点T(35.8, 44.9, 19.3)
の7点をそれぞれ結ぶ線分PL、LM、MA’、A’B、BF、FT及びTPで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分BF上の点は除く)、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分FTは、
座標(x, 0.0078x2-0.7501x+61.8, -0.0078x2-0.2499x+38.2)
で表わされ、
前記線分TPは、
座標(x, 0.0067x2-0.7607x+63.525, -0.0067x2-0.2393x+36.475)
で表わされ、かつ
前記線分LM及びBFが直線である、
請求項1に記載の冷凍サイクル装置。 - 前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点P(55.8, 42.0, 2.2)、
点L(63.1, 31.9, 5.0)、
点Q(62.8, 29.6, 7.6) 及び
点R(49.8, 42.3, 7.9)
の4点をそれぞれ結ぶ線分PL、LQ、QR及びRPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分PLは、
座標(x, -0.1135x2+12.112x-280.43, 0.1135x2-13.112x+380.43)
で表わされ、
前記線分RPは、
座標(x, 0.0067x2-0.7607x+63.525, -0.0067x2-0.2393x+36.475)
で表わされ、かつ
前記線分LQ及びQRが直線である、
請求項1に記載の冷凍サイクル装置。 - 前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点S(62.6, 28.3, 9.1)、
点M(60.3, 6.2, 33.5)、
点A’(30.6, 30.0, 39.4)、
点B(0.0, 58.7, 41.3)、
点F(0.0, 61.8, 38.2)及び
点T(35.8, 44.9, 19.3)
の6点をそれぞれ結ぶ線分SM、MA’、A’B、BF、FT、及びTSで囲まれる図形の範囲内又は前記線分上にあり、
前記線分MA’は、
座標(x, 0.0016x2-0.9473x+57.497, -0.0016x2-0.0527x+42.503)
で表わされ、
前記線分A’Bは、
座標(x, 0.0029x2-1.0268x+58.7, -0.0029x2+0.0268x+41.3)
で表わされ、
前記線分FTは、
座標(x, 0.0078x2-0.7501x+61.8, -0.0078x2-0.2499x+38.2)
で表わされ、
前記線分TSは、
座標(x, 0.0017x2-0.7869x+70.888, -0.0017x2-0.2131x+29.112)
で表わされ、かつ
前記線分SM及びBFが直線である、
請求項1に記載の冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、トランス-1,2-ジフルオロエチレン(HFO-1132(E))及びトリフルオロエチレン(HFO-1123)の合計を、該冷媒の全体に対して99.5質量%以上含み、かつ該冷媒が、HFO-1132(E)を、該冷媒の全体に対して62.0質量%~72.0質量%含む、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)及びHFO-1123の合計を、該冷媒の全体に対して99.5質量%以上含み、かつ該冷媒が、HFO-1132(E)を、該冷媒の全体に対して45.1質量%~47.1質量%含む、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、トリフルオロエチレン(HFO-1123)及び2,3,3,3-テトラフルオロ-1-プロペン(R1234yf)並びにジフルオロメタン(R32)を含み、
前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yf並びにR32の、これらの総和を基準とする質量%をそれぞれx、y及びz並びにaとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が(100-a)質量%となる3成分組成図において、座標(x,y,z)が、
0<a≦11.1のとき、
点G(0.026a2-1.7478a+72.0, -0.026a2+0.7478a+28.0, 0.0)、
点I(0.026a2-1.7478a+72.0, 0.0, -0.026a2+0.7478a+28.0)、
点A(0.0134a2-1.9681a+68.6, 0.0, -0.0134a2+0.9681a+31.4)、
点B(0.0, 0.0144a2-1.6377a+58.7, -0.0144a2+0.6377a+41.3)、
点D’(0.0, 0.0224a2+0.968a+75.4, -0.0224a2-1.968a+24.6)及び
点C(-0.2304a2-0.4062a+32.9, 0.2304a2-0.5938a+67.1, 0.0)
の6点をそれぞれ結ぶ直線GI、IA、AB、BD’、D’C及びCGで囲まれる図形の範囲内又は前記直線GI、AB及びD’C上にあり(ただし、点G、点I、点A、点B、点D’及び点Cは除く)、
11.1<a≦18.2のとき、
点G(0.02a2-1.6013a+71.105, -0.02a2+0.6013a+28.895, 0.0)、
点I(0.02a2-1.6013a+71.105, 0.0, -0.02a2+0.6013a+28.895)、
点A(0.0112a2-1.9337a+68.484, 0.0, -0.0112a2+0.9337a+31.516)、
点B(0.0, 0.0075a2-1.5156a+58.199, -0.0075a2+0.5156a+41.801)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、
18.2<a≦26.7のとき、
点G(0.0135a2-1.4068a+69.727, -0.0135a2+0.4068a+30.273, 0.0)、
点I(0.0135a2-1.4068a+69.727, 0.0, -0.0135a2+0.4068a+30.273)、
点A(0.0107a2-1.9142a+68.305, 0.0, -0.0107a2+0.9142a+31.695)、
点B(0.0, 0.009a2-1.6045a+59.318, -0.009a2+0.6045a+40.682)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、
26.7<a≦36.7のとき、
点G(0.0111a2-1.3152a+68.986, -0.0111a2+0.3152a+31.014, 0.0)、
点I(0.0111a2-1.3152a+68.986, 0.0, -0.0111a2+0.3152a+31.014)、
点A(0.0103a2-1.9225a+68.793, 0.0, -0.0103a2+0.9225a+31.207)、
点B(0.0, 0.0046a2-1.41a+57.286, -0.0046a2+0.41a+42.714)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にあり(ただし、点G、点I、点A、点B及び点Wは除く)、及び
36.7<a≦46.7のとき、
点G(0.0061a2-0.9918a+63.902, -0.0061a2-0.0082a+36.098,0.0)、
点I(0.0061a2-0.9918a+63.902, 0.0, -0.0061a2-0.0082a+36.098)、
点A(0.0085a2-1.8102a+67.1, 0.0, -0.0085a2+0.8102a+32.9)、
点B(0.0, 0.0012a2-1.1659a+52.95, -0.0012a2+0.1659a+47.05)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線GI、IA、AB、BW及びWGで囲まれる図形の範囲内又は前記直線GI及びAB上にある(ただし、点G、点I、点A、点B及び点Wは除く)、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、トリフルオロエチレン(HFO-1123)及び2,3,3,3-テトラフルオロ-1-プロペン(R1234yf)並びにジフルオロメタン(R32)を含み、
前記冷媒において、HFO-1132(E)、HFO-1123及びR1234yf並びにR32の、これらの総和を基準とする質量%をそれぞれx、y及びz並びにaとするとき、HFO-1132(E)、HFO-1123及びR1234yfの総和が(100-a)質量%となる3成分組成図において、座標(x,y,z)が、
0<a≦11.1のとき、
点J(0.0049a2-0.9645a+47.1, -0.0049a2-0.0355a+52.9, 0.0)、
点K’(0.0514a2-2.4353a+61.7, -0.0323a2+0.4122a+5.9, -0.0191a2+1.0231a+32.4)、
点B(0.0, 0.0144a2-1.6377a+58.7, -0.0144a2+0.6377a+41.3)、
点D’(0.0, 0.0224a2+0.968a+75.4, -0.0224a2-1.968a+24.6)及び
点C(-0.2304a2-0.4062a+32.9, 0.2304a2-0.5938a+67.1, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’B、BD’、D’C及びCJで囲まれる図形の範囲内又は前記直線JK’、K’B及びD’C上にあり(ただし、点J、点B、点D’及び点Cは除く)、
11.1<a≦18.2のとき、
点J(0.0243a2-1.4161a+49.725, -0.0243a2+0.4161a+50.275, 0.0)、
点K’(0.0341a2-2.1977a+61.187, -0.0236a2+0.34a+5.636, -0.0105a2+0.8577a+33.177)、
点B(0.0, 0.0075a2-1.5156a+58.199, -0.0075a2+0.5156a+41.801)及び
点W(0.0, 100.0-a, 0.0)
の4点をそれぞれ結ぶ直線JK’、K’B、BW及びWJで囲まれる図形の範囲内又は前記直線JK’及びK’B上にあり(ただし、点J、点B及び点Wは除く)、
18.2<a≦26.7のとき、
点J(0.0246a2-1.4476a+50.184, -0.0246a2+0.4476a+49.816, 0.0)、
点K’(0.0196a2-1.7863a+58.515, -0.0079a2-0.1136a+8.702, -0.0117a2+0.8999a+32.783)、
点B(0.0, 0.009a2-1.6045a+59.318, -0.009a2+0.6045a+40.682)及び
点W(0.0, 100.0-a, 0.0)
の4点をそれぞれ結ぶ直線JK’、K’B、BW及びWJで囲まれる図形の範囲内又は前記直線JK’及びK’B上にあり(ただし、点J、点B及び点Wは除く)、
26.7<a≦36.7のとき、
点J(0.0183a2-1.1399a+46.493, -0.0183a2+0.1399a+53.507, 0.0)、
点K’(-0.0051a2+0.0929a+25.95, 0.0, 0.0051a2-1.0929a+74.05)、
点A(0.0103a2-1.9225a+68.793, 0.0, -0.0103a2+0.9225a+31.207)、
点B(0.0, 0.0046a2-1.41a+57.286, -0.0046a2+0.41a+42.714)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’A、AB、BW及びWJで囲まれる図形の範囲内又は前記直線JK’、K'A及びAB上にあり(ただし、点J、点B及び点Wは除く)、及び
36.7<a≦46.7のとき、
点J(-0.0134a2+1.0956a+7.13, 0.0134a2-2.0956a+92.87, 0.0)、
点K’(-1.892a+29.443, 0.0, 0.892a+70.557)、
点A(0.0085a2-1.8102a+67.1, 0.0, -0.0085a2+0.8102a+32.9)、
点B(0.0, 0.0012a2-1.1659a+52.95, -0.0012a2+0.1659a+47.05)及び
点W(0.0, 100.0-a, 0.0)
の5点をそれぞれ結ぶ直線JK’、K’A、AB、BW及びWJで囲まれる図形の範囲内又は前記直線JK’、K'A及びAB上にある(ただし、点J、点B及び点Wは除く)、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、ジフルオロメタン(R32)及び2,3,3,3-テトラフルオロ-1-プロペン(R1234yf)を含み、前記冷媒において、HFO-1132(E)、R32及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、R32及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点I(72.0, 0.0, 28.0)、
点J(48.5, 18.3, 33.2)、
点N(27.7, 18.2, 54.1)及び
点E(58.3, 0.0, 41.7)
の4点をそれぞれ結ぶ線分IJ、JN、NE、及びEIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分EI上にある点は除く)、
前記線分IJは、
座標(0.0236y2-1.7616y+72.0, y, -0.0236y2+0.7616y+28.0)
で表わされ、
前記線分NEは、
座標(0.012y2-1.9003y+58.3, y, -0.012y2+0.9003y+41.7)
で表わされ、かつ
前記線分JN及びEIが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、R32及びR1234yfを含み、前記冷媒において、HFO-1132(E)、R32及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、R32及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点M(52.6, 0.0, 47.4)、
点M’(39.2, 5.0, 55.8)、
点N(27.7, 18.2, 54.1)、
点V(11.0, 18.1, 70.9)及び
点G(39.6, 0.0, 60.4)
の5点をそれぞれ結ぶ線分MM’、M’N、NV、VG、及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GM上にある点は除く)、
前記線分MM’は、
座標(x, 0.132x2-3.34x+52.6, -0.132x2+2.34x+47.4)
で表わされ、
前記線分M’Nは、
座標(0.0313y2-1.4551y+43.824, y, -0.0313y2+0.4551y+56.176)
で表わされ、
前記線分VGは、
座標(0.0123y2-1.8033y+39.6, y, -0.0123y2+0.8033y+60.4)
で表わされ、かつ
前記線分NV及びGMが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、R32及びR1234yfを含み、前記冷媒において、HFO-1132(E)、R32及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、R32及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点O(22.6, 36.8, 40.6)、
点N(27.7, 18.2, 54.1)及び
点U(3.9, 36.7, 59.4)
の3点をそれぞれ結ぶ線分ON、NU及びUOで囲まれる図形の範囲内又は前記線分上にあり、
前記線分ONは、
座標(0.0072y2-0.6701y+37.512, y, -0.0072y2-0.3299y+62.488)
で表わされ、
前記線分NUは、
座標(0.0083y2-1.7403y+56.635, y, -0.0083y2+0.7403y+43.365)
で表わされ、かつ
前記線分UOが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、R32及びR1234yfを含み、前記冷媒において、HFO-1132(E)、R32及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、R32及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点Q(44.6, 23.0, 32.4)、
点R(25.5, 36.8, 37.7)、
点T(8.6, 51.6, 39.8)、
点L(28.9, 51.7, 19.4)及び
点K(35.6, 36.8, 27.6)
の5点をそれぞれ結ぶ線分QR、RT、TL、LK及びKQで囲まれる図形の範囲内又は前記線分上にあり、
前記線分QRは、
座標(0.0099y2-1.975y+84.765, y, -0.0099y2+0.975y+15.235)
で表わされ、
前記線分RTは、
座標(0.082y2-1.8683y+83.126, y, -0.082y2+0.8683y+16.874)
で表わされ、
前記線分LKは、
座標(0.0049y2-0.8842y+61.488, y, -0.0049y2-0.1158y+38.512)
で表わされ、
前記線分KQは、
座標(0.0095y2-1.2222y+67.676, y, -0.0095y2+0.2222y+32.324)
で表わされ、かつ
前記線分TLが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、R32及びR1234yfを含み、前記冷媒において、HFO-1132(E)、R32及びR1234yfの、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、R32及びR1234yfの総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点P(20.5, 51.7, 27.8)、
点S(21.9, 39.7, 38.4)及び
点T(8.6, 51.6, 39.8)
の3点をそれぞれ結ぶ線分PS、ST及びTPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分PSは、
座標(0.0064y2-0.7103y+40.1, y, -0.0064y2-0.2897y+59.9)
で表わされ、
前記線分STは、
座標(0.082y2-1.8683y+83.126, y, -0.082y2+0.8683y+16.874)
で表わされ、かつ
前記線分TPが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、トランス-1,2-ジフルオロエチレン(HFO-1132(E))、トリフルオロエチレン(HFO-1123)及びジフルオロメタン(R32)を含み、
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点I(72.0, 28,0, 0.0)
点K(48.4, 33.2, 18.4)
点B’(0.0, 81.6, 18.4)
点H(0.0, 84.2, 15.8)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の6点をそれぞれ結ぶ線分IK、KB’、B’H、HR、RG及びGIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’H及びGI上の点を除く)、
前記線分IKは、
座標(0.025z2-1.7429z+72.00, -0.025z2+0.7429z+28.0, z)
で表わされ、
前記線分HRは、
座標(-0.3123z2+4.234z+11.06, 0.3123z2-5.234z+88.94, z)
で表わされ、
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、かつ
前記線分KB’及びGIが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、HFO-1123及びR32を含み、
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点I(72.0, 28,0, 0.0)
点J(57.7, 32.8, 9.5)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の4点をそれぞれ結ぶ線分IJ、JR、RG及びGIで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GI上の点を除く)、
前記線分IJは、
座標(0.025z2-1.7429z+72.0, -0.025z2+0.7429z+28.0, z)
で表わされ、かつ
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、
前記線分JR及びGIが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、HFO-1123及びR32を含み、
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点M(47.1, 52.9, 0.0)
点P(31.8, 49.8, 18.4)
点B’(0.0, 81.6, 18.4)
点H(0.0, 84.2, 15.8)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の6点をそれぞれ結ぶ線分MP、PB’、B’H、HR、RG及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’H及びGM上の点を除く)、
前記線分MPは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、
前記線分HRは、
座標(-0.3123z2+4.234z+11.06, 0.3123z2-5.234z+88.94, z)
で表わされ、
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、かつ
前記線分PB’及びGMが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、HFO-1123及びR32を含み、
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点M(47.1, 52.9, 0.0)
点N(38.5, 52.1, 9.5)
点R(23.1, 67.4, 9.5)及び
点G(38.5, 61.5, 0.0)
の4点をそれぞれ結ぶ線分MN、NR、RG及びGMで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分GM上の点を除く)、
前記線分MNは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、かつ
前記線分RGは、
座標(-0.0491z2-1.1544z+38.5, 0.0491z2+0.1544z+61.5, z)
で表わされ、
前記線分JR及びGIが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、HFO-1123及びR32を含み、
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点P(31.8, 49.8, 18.4)
点S(25.4, 56.2, 18.4)及び
点T(34.8, 51.0, 14.2)
の3点をそれぞれ結ぶ線分PS、ST及びTPで囲まれる図形の範囲内又は前記線分上にあり、
前記線分STは、
座標(-0.0982z2+0.9622z+40.931, 0.0982z2-1.9622z+59.069, z)
で表わされ、かつ
前記線分TPは、
座標(0.0083z2-0.984z+47.1,-0.0083z2-0.016z+52.9, z)
で表わされ、
前記線分PSが直線である、
冷凍サイクル装置。 - 冷媒を含む冷媒組成物と、冷凍機油と、を含む冷凍機用作動流体を含み、
該冷媒が、HFO-1132(E)、HFO-1123及びR32を含み、
前記冷媒において、HFO-1132(E)、HFO-1123及びR32の、これらの総和を基準とする質量%をそれぞれx、y及びzとするとき、HFO-1132(E)、HFO-1123及びR32の総和が100質量%となる3成分組成図において、座標(x,y,z)が、
点Q(28.6, 34.4, 37.0)
点B’’(0.0, 63.0, 37.0)
点D(0.0, 67.0, 33.0)及び
点U(28.7, 41.2, 30.1)
の4点をそれぞれ結ぶ線分QB’’、B’’D、DU及びUQで囲まれる図形の範囲内又は前記線分上にあり(ただし、線分B’’D上の点を除く)、
前記線分DUは、
座標(-3.4962z2+210.71z-3146.1, 3.4962z2-211.71z+3246.1, z)で表わされ、かつ
前記線分UQは、
座標(0.0135z2-0.9181z+44.133, -0.0135z2-0.0819z+55.867, z)
で表わされ、
前記線分QB’’及びB’’Dが直線である、
冷凍サイクル装置。 - 前記冷凍機油の40℃における動粘度が、1mm2/s以上750mm2/s以下である、
請求項1から23のいずれか1項に記載の冷凍サイクル装置。 - 前記冷凍機油の100℃における動粘度が、1mm2/s以上100mm2/s以下である、
請求項1から24のいずれか1項に記載の冷凍サイクル装置。 - 前記冷凍機油の25℃における体積抵抗率が、1.0×1012Ω・cm以上である、
請求項1から25のいずれか1項に記載の冷凍サイクル装置。 - 前記冷凍機油の酸価が、0.1mgKOH/g以下である、
請求項1から26のいずれか1項に記載の冷凍サイクル装置。 - 前記冷凍機油の灰分は、100ppm以下である、
請求項1から27のいずれか1項に記載の冷凍サイクル装置。 - 前記冷凍機油のアニリン点は、-100℃以上0℃以下である、
請求項1から28のいずれか1項に記載の冷凍サイクル装置。 - 圧縮機と凝縮器と減圧部と蒸発器が冷媒配管で接続されて構成されており、内部を前記冷凍機用作動流体が循環する冷媒回路を備えた、
請求項1から29のいずれか1項に記載の冷凍サイクル装置。 - 前記冷凍機用作動流体中における前記冷凍機油の配合割合は、5質量%以上60質量%以下である、
請求項1から30のいずれか1項に記載の冷凍サイクル装置。 - 前記冷凍機油は、酸捕捉剤、極圧剤、酸化防止剤、消泡剤、油性剤、金属不活性化剤、摩耗防止剤および相溶化剤から選ばれる少なくとも1種類の添加剤を含んでおり、
前記添加剤を含む前記冷凍機油の質量に対する前記添加剤の割合が5質量%以下である、
請求項1から31のいずれか1項に記載の冷凍サイクル装置。
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JP2023010806A (ja) | 2023-01-20 |
CN111492187A (zh) | 2020-08-04 |
WO2019124360A1 (ja) | 2019-06-27 |
JP7448851B2 (ja) | 2024-03-13 |
CN111556949A (zh) | 2020-08-18 |
WO2019124361A1 (ja) | 2019-06-27 |
WO2019124327A1 (ja) | 2019-06-27 |
WO2019124328A1 (ja) | 2019-06-27 |
WO2019124380A1 (ja) | 2019-06-27 |
CN111492187B (zh) | 2022-05-27 |
WO2019124398A1 (ja) | 2019-06-27 |
WO2019124362A1 (ja) | 2019-06-27 |
WO2019124326A1 (ja) | 2019-06-27 |
WO2019124139A1 (ja) | 2019-06-27 |
WO2019124229A1 (ja) | 2019-06-27 |
WO2019123898A1 (ja) | 2019-06-27 |
WO2019124138A1 (ja) | 2019-06-27 |
ZA202003916B (en) | 2022-12-21 |
CN111556949B (zh) | 2022-05-13 |
WO2019124399A1 (ja) | 2019-06-27 |
WO2019124230A1 (ja) | 2019-06-27 |
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