WO2018078808A1 - Climatiseur - Google Patents
Climatiseur Download PDFInfo
- Publication number
- WO2018078808A1 WO2018078808A1 PCT/JP2016/082119 JP2016082119W WO2018078808A1 WO 2018078808 A1 WO2018078808 A1 WO 2018078808A1 JP 2016082119 W JP2016082119 W JP 2016082119W WO 2018078808 A1 WO2018078808 A1 WO 2018078808A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- refrigerant
- pressure
- valve
- compressor
- air conditioner
- Prior art date
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
- F25B41/33—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant
- F25B41/335—Expansion valves with the valve member being actuated by the fluid pressure, e.g. by the pressure of the refrigerant via diaphragms
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using 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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/385—Dispositions with two or more expansion means arranged in parallel on a refrigerant line leading to the same evaporator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/39—Dispositions with two or more expansion means arranged in series, i.e. multi-stage expansion, on a refrigerant line leading to the same evaporator
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/06—Details of flow restrictors or expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
- F25B2600/2513—Expansion valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/19—Pressures
- F25B2700/191—Pressures near an expansion valve
Definitions
- Patent Document 1 An air conditioner using R32 as a refrigerant and equipped with LEV is disclosed in, for example, Japanese Patent Application Laid-Open No. 2016-109356 (Patent Document 1).
- the refrigerant circuit 13 includes a compressor 1, a condenser 2, a pressure adjustment valve 3, and an evaporator 4.
- the refrigerant circuit 13 is configured by connecting the compressor 1, the condenser 2, the pressure regulating valve 3, and the evaporator 4 via pipes PI1 to PI4.
- the compressor 1 and the condenser 2 are connected to each other by a pipe PI1.
- the condenser 2 and the pressure regulating valve 3 are connected to each other by a pipe PI2.
- the pressure regulating valve 3 and the evaporator 4 are connected to each other by a pipe PI3.
- the evaporator 4 and the compressor 1 are connected to each other by a pipe PI4.
- the refrigerant circuit 13 is configured such that the refrigerant circulates in the order of the compressor 1, the pipe PI1, the condenser 2, the pipe PI2, the pressure regulating valve 3, the pipe PI3, the evaporator 4, and the pipe PI4. That is, the refrigerant flows through the refrigerant circuit 13 in the order of the compressor 1, the condenser 2, the pressure regulating valve 3, and the evaporator 4.
- the refrigerant is R32.
- the amount of refrigerant flowing through the refrigerant circuit 13 is preferably 300 g or more and 500 g or less.
- the condenser 2 is configured to condense the refrigerant compressed by the compressor 1.
- the condenser 2 is an air heat exchanger composed of pipes and fins.
- the pressure regulating valve 3 is configured to depressurize the refrigerant condensed by the condenser 2.
- the pressure regulating valve 3 has a function as an expansion valve.
- the pressure regulating valve 3 is a mechanical pressure control valve.
- the pressure adjustment valve 3 is configured to be able to adjust the flow rate of the refrigerant passing through the pressure adjustment valve 3.
- the flow rate of the refrigerant passing through the pressure regulating valve 3 is a flow rate per unit time.
- the evaporator 4 is configured to evaporate the refrigerant decompressed by the pressure regulating valve 3.
- the evaporator 4 is an air heat exchanger composed of pipes and fins.
- the condenser blower 5 is configured to adjust the amount of heat exchange between the outdoor air and the refrigerant in the condenser 2.
- the condenser blower 5 includes a fan 5a and a motor 5b.
- the motor 5b may be configured to rotate the fan 5a with a variable number of rotations.
- the motor 5b may be configured to rotate the fan 5a at a constant rotation speed.
- the evaporator blower 6 is configured to adjust the amount of heat exchange between the indoor air and the refrigerant in the evaporator 4.
- the evaporator blower 6 includes a fan 6a and a motor 6b.
- the motor 6b may be configured to rotate the fan 6a in a variable number of rotations.
- the motor 6b may be configured to rotate the fan 6a at a constant rotation speed.
- the valve part 34 has a valve body 34a and a valve seat 34b.
- the valve portion 34 is configured such that the valve opening degree can be adjusted by a gap between the valve body 34a and the valve seat 34b.
- the valve body 34a is formed in a shaft shape. One end (first end) of the valve body 34 a is connected to the diaphragm 32. The other end (second end) of the valve body 34 a is connected to the spring 35.
- the valve body 34a is configured to move in the direction indicated by the double arrow A3 in FIG. That is, the valve body 34 a is configured to move in the axial direction of the valve body 34 a by the deformation of the diaphragm 32.
- valve body 34a connected to the diaphragm 32 moves to the pressure reference chamber S2 side in the axial direction of the valve body 34a.
- the refrigerant that has flowed into the pressure regulating valve 3 is decompressed by the pressure regulating valve 3 and becomes a low-pressure gas-liquid two-phase refrigerant.
- the refrigerant depressurized by the pressure regulating valve 3 flows into the evaporator 4 through the pipe PI3.
- the refrigerant that has flowed into the evaporator 4 exchanges heat with air in the evaporator 4. Specifically, in the evaporator 4, air is cooled by a refrigerant, and the refrigerant becomes a low-pressure gas refrigerant.
- the refrigerant that has been depressurized in the evaporator 4 to become low-pressure gas flows into the compressor 1 through the pipe PI4.
- the refrigerant that has flowed into the compressor 1 is compressed again and pressurized, and then discharged from the compressor 1.
- valve opening degree of the valve part 34 becomes large.
- the amount of refrigerant flowing through the pressure regulating valve 3 increases, and the amount of refrigerant flowing into the evaporator 4 also increases.
- superheat degree (SH) becomes small. Therefore, the rise in the discharge temperature of the refrigerant from the compressor 1 is suppressed.
- the LEV 30, the thermistor 7, and the microcomputer 8 are required to adjust the discharge temperature of the refrigerant from the compressor 1, so that the configuration of the air conditioner 10 is complicated. . Moreover, the manufacturing cost of the air conditioner 10 becomes high. On the other hand, in the air conditioner 10 of this Embodiment, since the discharge temperature from the compressor 1 of a refrigerant
- the air conditioner 10 according to the second embodiment of the present invention is different in the configuration of the pressure regulating valve 3 from the air conditioner 10 according to the first embodiment.
- Embodiment 3 FIG.
- the same reference numerals are given to the same components as those in the first embodiment, and description thereof will not be repeated.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Air Conditioning Control Device (AREA)
- Air-Conditioning For Vehicles (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Safety Valves (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US16/313,671 US20200018530A1 (en) | 2016-10-28 | 2016-10-28 | Air conditioner |
EP16920284.3A EP3534088B1 (fr) | 2016-10-28 | 2016-10-28 | Climatiseur |
JP2017545775A JP6312943B1 (ja) | 2016-10-28 | 2016-10-28 | 空気調和機 |
AU2016427727A AU2016427727B2 (en) | 2016-10-28 | 2016-10-28 | Air conditioner |
CN201680089229.4A CN109891164A (zh) | 2016-10-28 | 2016-10-28 | 空调机 |
KR1020197005898A KR102147693B1 (ko) | 2016-10-28 | 2016-10-28 | 공기 조화기 |
PCT/JP2016/082119 WO2018078808A1 (fr) | 2016-10-28 | 2016-10-28 | Climatiseur |
US17/181,541 US20210180842A1 (en) | 2016-10-28 | 2021-02-22 | Air conditioner |
US17/181,511 US20210172659A1 (en) | 2016-10-28 | 2021-02-22 | Air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2016/082119 WO2018078808A1 (fr) | 2016-10-28 | 2016-10-28 | Climatiseur |
Related Child Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US16/313,671 A-371-Of-International US20200018530A1 (en) | 2016-10-28 | 2016-10-28 | Air conditioner |
US17/181,511 Continuation US20210172659A1 (en) | 2016-10-28 | 2021-02-22 | Air conditioner |
US17/181,541 Continuation US20210180842A1 (en) | 2016-10-28 | 2021-02-22 | Air conditioner |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2018078808A1 true WO2018078808A1 (fr) | 2018-05-03 |
Family
ID=61968188
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/082119 WO2018078808A1 (fr) | 2016-10-28 | 2016-10-28 | Climatiseur |
Country Status (7)
Country | Link |
---|---|
US (3) | US20200018530A1 (fr) |
EP (1) | EP3534088B1 (fr) |
JP (1) | JP6312943B1 (fr) |
KR (1) | KR102147693B1 (fr) |
CN (1) | CN109891164A (fr) |
AU (1) | AU2016427727B2 (fr) |
WO (1) | WO2018078808A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11378288B2 (en) * | 2019-01-31 | 2022-07-05 | Samsung Electronics Co., Ltd. | Outdoor unit of airconditioner |
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-
2016
- 2016-10-28 WO PCT/JP2016/082119 patent/WO2018078808A1/fr active Application Filing
- 2016-10-28 JP JP2017545775A patent/JP6312943B1/ja active Active
- 2016-10-28 EP EP16920284.3A patent/EP3534088B1/fr active Active
- 2016-10-28 AU AU2016427727A patent/AU2016427727B2/en active Active
- 2016-10-28 US US16/313,671 patent/US20200018530A1/en active Pending
- 2016-10-28 KR KR1020197005898A patent/KR102147693B1/ko active IP Right Grant
- 2016-10-28 CN CN201680089229.4A patent/CN109891164A/zh active Pending
-
2021
- 2021-02-22 US US17/181,541 patent/US20210180842A1/en active Pending
- 2021-02-22 US US17/181,511 patent/US20210172659A1/en active Pending
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JPH08121879A (ja) * | 1994-10-26 | 1996-05-17 | Mitsubishi Heavy Ind Ltd | 冷凍・空調装置 |
JPH09264622A (ja) * | 1996-01-25 | 1997-10-07 | Denso Corp | 圧力制御弁と蒸気圧縮式冷凍サイクル |
JP2007198712A (ja) * | 2006-01-30 | 2007-08-09 | Sanden Corp | 冷凍システム |
JP2007298271A (ja) * | 2006-05-05 | 2007-11-15 | Otto Egelhof Gmbh & Co Kg | 膨張バルブを制御する方法および、特に冷却剤としてco2で動作する車両用空調システム用の膨張バルブ |
JP2009243607A (ja) * | 2008-03-31 | 2009-10-22 | Fuji Koki Corp | 圧力制御弁 |
JP2013032874A (ja) * | 2011-08-02 | 2013-02-14 | Saginomiya Seisakusho Inc | 温度膨張弁 |
JP2015215127A (ja) * | 2014-05-12 | 2015-12-03 | パナソニックIpマネジメント株式会社 | 冷凍装置 |
JP2016114274A (ja) * | 2014-12-12 | 2016-06-23 | 東芝キヤリア株式会社 | 空気調和機及び冷凍サイクルの制御方法 |
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Title |
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See also references of EP3534088A4 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11378288B2 (en) * | 2019-01-31 | 2022-07-05 | Samsung Electronics Co., Ltd. | Outdoor unit of airconditioner |
Also Published As
Publication number | Publication date |
---|---|
KR20190032560A (ko) | 2019-03-27 |
AU2016427727B2 (en) | 2019-10-10 |
US20210172659A1 (en) | 2021-06-10 |
US20210180842A1 (en) | 2021-06-17 |
CN109891164A (zh) | 2019-06-14 |
EP3534088A1 (fr) | 2019-09-04 |
EP3534088A4 (fr) | 2019-10-30 |
KR102147693B1 (ko) | 2020-08-25 |
EP3534088B1 (fr) | 2022-03-02 |
US20200018530A1 (en) | 2020-01-16 |
AU2016427727A1 (en) | 2019-02-21 |
JP6312943B1 (ja) | 2018-04-18 |
JPWO2018078808A1 (ja) | 2018-11-01 |
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