WO2005033594A1 - 空調室外機、空気調和機および圧縮機ユニット - Google Patents
空調室外機、空気調和機および圧縮機ユニット Download PDFInfo
- Publication number
- WO2005033594A1 WO2005033594A1 PCT/JP2004/013408 JP2004013408W WO2005033594A1 WO 2005033594 A1 WO2005033594 A1 WO 2005033594A1 JP 2004013408 W JP2004013408 W JP 2004013408W WO 2005033594 A1 WO2005033594 A1 WO 2005033594A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- compressor
- port
- switching valve
- way switching
- outdoor unit
- Prior art date
Links
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
- 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
- F25B41/40—Fluid line arrangements
-
- 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
Definitions
- the present invention relates to an outdoor unit for an air conditioner, an air conditioner, and a compressor unit.
- an air conditioner includes a compressor 51, a four-way switching valve 52, an outdoor heat exchange 53, an expansion valve (decompression mechanism) 54, and an indoor heat exchange 55.
- a pair of primary ports 56a, 56b of the four-way switching valve 52 is connected to a discharge port and a suction port of the compressor 51.
- One of the pair of secondary ports 57a and 57b of the four-way switching valve 52 is connected to a gas pipe 58.
- the gas pipe 58 is connected to the indoor heat exchange 55 via a gas shutoff valve 59.
- the other secondary port 57b of the pair of secondary ports 57a and 57b of the four-way switching valve 52 is connected to the outdoor heat exchanger 53.
- An expansion valve 54 is connected to the outdoor heat exchanger 53.
- the expansion valve 54 and the indoor heat exchange 55 are connected via a liquid shutoff valve 60.
- An accumulator 61 is provided between the four-way switching valve 52 and the suction port of the compressor 51.
- a compressor 51 By the way, in the air-conditioning outdoor unit, a compressor 51, a four-way switching valve 52, an outdoor heat exchanger 53, an expansion valve 54, and the like are housed in an outdoor unit casing (not shown).
- the gas shutoff valve 59 and the liquid shutoff valve 60 are located near the air conditioner outdoor unit, and function as external connection ports for connecting to the indoor unit.
- the compressor 51 When the compressor 51 is driven by switching the four-way switching valve 52 to the state shown by the dashed line, the refrigerant discharged from the compressor 51 flows through the four-way switching valve 52, the outdoor heat exchanger 53, the expansion valve 54, The indoor heat exchange 55 flows sequentially, and the outdoor heat exchange 53 functions as a condenser, and the indoor heat exchange 55 functions as an evaporator to cool the room.
- the compressor 51 and the four-way switching valve 52, an outdoor heat exchanger 53, an expansion valve 54 and the like are housed. Therefore, the vibration and noise of the compressor 51 and the like are transmitted to the outdoor unit casing via piping and the like, and the outdoor unit casing leaks to the outside.
- a pipe provided in an outdoor unit casing is provided with a vibration absorbing mechanism which also has a force such as a trap portion and a loop portion (for example, Patent Document 1 and Patent Document 1). Reference 2).
- a vibration absorbing mechanism 63 is arranged between the four-way switching valve 52 and the compressor 51 to reduce vibration and noise of the compressor 51 and the like! RU
- Patent Document 1 JP-A-8-14705 (FIG. 1)
- Patent Document 2 JP-A-989417 (Fig. 1)
- the vibration absorbing mechanism 63 when the vibration absorbing mechanism 63 is provided, it is necessary to provide a trap portion, a loop portion, and the like.
- the vibration absorbing mechanism 63 by providing the vibration absorbing mechanism 63, the refrigerant suction path of the compressor 51 is lengthened, which causes an increase in pressure loss (pressure loss) on the suction side and lowers COP.
- the vibration absorbing mechanism 63 Since the vibration absorbing mechanism 63 is disposed between the four-way switching valve 52 and the compressor 51, the vibration absorbing mechanism 63 is far from the pipe fixing partial force such as the connection port in the outdoor unit casing and the outdoor heat exchange. It will be located at the site. For this reason, even if the vibration and noise of the compressor 51 are reduced by the vibration absorbing mechanism 63, the vibration and noise generated between the vibration absorbing mechanism 63 and the pipe fixing part such as the connection port can be reduced. No, the outdoor unit case cannot be reduced efficiently.
- the present invention has been made in order to solve such conventional drawbacks.
- the purpose of the present invention is to provide a compact air conditioner and an excellent assemblability that can achieve compactness and noise reduction. , Air conditioner and compressor unit.
- a pair of primary ports of the four-way switching valve is connected to a discharge port and a suction port of a compressor, respectively, and a pair of secondary ports of the four-way switching valve is connected to a flexible pipe. It is. For this reason, the vibration and noise of the compressor are attenuated by the flexible piping and are less likely to be transmitted to objects connected to the flexible piping on the side opposite to the secondary port. This makes it possible to reduce the size of the air conditioner outdoor unit and the air conditioner and reduce noise. Further, since the flexible piping is used, the assemblability becomes excellent.
- one secondary port of the four-way switching valve is connected to the external connection port by a flexible pipe
- the other secondary port of the four-way switching valve is connected to the outdoor heat exchange by the flexible pipe
- the flexible piping will be located at a position near the outdoor heat exchange in the outdoor unit casing and the piping connection part called the external connection port. Then, vibration and noise from the compressor and the like can be absorbed near and near the pipe fixing portion in the outdoor unit casing, and vibration and noise leaked to the outside through the outdoor unit casing can be further reduced. It can be reduced reliably. As a result, it is possible to provide a quiet air-conditioning outdoor unit with less vibration and noise.
- the vibration absorption is achieved. There is no need to provide space for the mechanism. Therefore, it is possible to compact the entire air conditioner outdoor unit. Further, by not providing a vibration absorbing mechanism, the number of assembly parts is reduced by that much, and cost reduction and improvement in assemblability (productivity) are realized. Furthermore, by not providing a vibration absorbing mechanism, the suction path of the compressor is shortened, and pressure loss (pressure loss) on the suction side of the compressor is suppressed, thereby improving COP.
- FIG. 1 is a refrigerant circuit diagram of an air conditioner including an air conditioning outdoor unit according to one embodiment of the present invention.
- FIG. 2 is a perspective view of a main part of an air-conditioning outdoor unit according to one embodiment of the present invention.
- FIG. 3 is a front view of a main part of an outdoor unit of an air conditioner according to an embodiment of the present invention.
- FIG. 4 is a plan view of a main part of an air-conditioning outdoor unit according to one embodiment of the present invention.
- FIG. 5 is a perspective view of a main part of an air conditioner outside unit according to another embodiment.
- FIG. 6 is a front view of a main part of an air conditioner outside unit according to another embodiment.
- FIG. 7 is a plan view of a main part of an air conditioner outside unit according to another embodiment.
- FIG. 8 is a refrigerant circuit diagram of a conventional air conditioner including an air conditioner outdoor unit.
- FIG. 9 is a simplified view of a main part of a conventional air conditioner outdoor unit.
- FIG. 1 shows an air conditioner equipped with an air conditioner outside unit according to the present invention.
- the air conditioner includes a compressor 1, a four-way switching valve 2, an outdoor heat exchanger 3, a pressure reducing mechanism (expansion valve) 4, and an indoor heat exchanger 5.
- the pair of primary ports 6a and 6b of the four-way switching valve 2 are connected to the discharge port la and the suction port lb of the compressor 1. That is, the discharge port la of the compressor 1 and one primary port 6 a of the four-way switching valve 2 are connected via the discharge-side pipe 8. Further, the suction port lb of the compressor 1 is connected to the other primary port 6b of the four-way switching valve 2 via a suction-side pipe 10 in which a force accumulator 9 is provided.
- the suction side pipe 10 also serves as the compressor side pipe 10a and the switching valve side pipe 10b.
- the compressor-side pipe 10a connects the accumulator 9 and the suction port lb of the compressor 1.
- the switching valve side pipe 10b connects the accumulator 9 and the other primary port 6b of the four-way switching valve 2.
- One of the pair of secondary ports 7a and 7b of the four-way switching valve 2 is connected to an external connection port 7a. Connected to port 11.
- the other secondary port 7b is connected to the outdoor heat exchanger 3. That is, one secondary port 7a of the four-way switching valve 2 is connected to the first refrigerant pipe 12 to which the external connection port 11 is connected. Further, the other secondary port 7b of the four-way switching valve 2 is connected to the outdoor heat exchanger 3 via the second refrigerant pipe 13.
- the outdoor heat exchange 3 and the expansion valve 4 are connected via a third refrigerant pipe 14.
- the expansion valve 4 is connected to the indoor heat exchanger 5 via an external connection port 15.
- the fourth refrigerant pipe 16 connected to the indoor heat exchanger 5 is connected to the external connection port 11.
- a compressor four-way switching valve 2, an outdoor heat exchanger 3, an expansion valve 4, and the like are housed in an outdoor unit casing (not shown) to constitute an air conditioning outdoor unit.
- the indoor heat exchanger 5 and the like are housed in an indoor unit casing (not shown) to form an air-conditioning indoor unit.
- One external connection port 11 is constituted by a gas shutoff valve 17 (see FIG. 2 and the like).
- the other external connection port 15 is constituted by a liquid shutoff valve 18.
- the gas shutoff valve 17 and the liquid shutoff valve 18 are attached to the outdoor unit casing so as to be exposed outside the outdoor unit casing.
- a first flexible pipe 20 is provided between the one secondary port 7a of the four-way switching valve 2 and the one external connection port 11. That is, the first flexible pipe 20 is interposed in the first refrigerant pipe 12.
- a second flexible pipe 21 is provided between the other secondary port 7b of the four-way switching valve 2 and the outdoor heat exchanger 3. That is, the second flexible pipe 21 is interposed in the second refrigerant pipe 13.
- the accumulator 9 is attached to the casing 22 of the compressor 1.
- the four-way switching valve 2 is arranged above the accumulator 9.
- the first flexible pipe 20 interposed in the first refrigerant pipe 12 and the second flexible pipe 21 interposed in the second refrigerant pipe 13 are close to the accumulator 9 and extend vertically. They are arranged in a straight line.
- the first refrigerant pipe 12 includes a switching valve side pipe 12a (for example, a stainless steel pipe) protruding from the four-way switching valve 2, a first flexible pipe 20, and a pipe 12b connected to the external connection port 11. (For example, stainless steel piping).
- the second refrigerant pipe 13 is a cut-out projecting from the four-way switching valve 2. It comprises a pipe 13a (for example, a stainless steel pipe) on the valve-exchange side, a second flexible pipe 21, and a pipe 13b (for example, a stainless steel pipe) connected to the outdoor heat exchanger 3.
- a pipe 13a for example, a stainless steel pipe
- a second flexible pipe 21 for example, a stainless steel pipe
- each of the flexible pipes 20 and 21 includes a metal pipe 23 (for example, a stainless steel pipe) formed in a bellows shape (bellows shape) and an exterior member 24 that covers the metal pipe 23.
- a metal pipe 23 for example, a stainless steel pipe
- an exterior member 24 that covers the metal pipe 23.
- a fiber material such as Kepler (aromatic polyamide) is used.
- Kepler aromatic polyamide
- the flexible pipes 20 and 21 can attenuate (reduce) vibration due to their flexibility. Since these flexible pipes 20 and 21 have the above-mentioned configuration, they are preferably used in a straight line (straight pipe) as shown in FIG. 2, which is difficult to bend and use.
- the first flexible pipe 20 is arranged near the gas shut-off valve 17 constituting the external connection port 11.
- the compressor 1 when the compressor 1 is driven with the four-way switching valve 2 shown in a solid line, the refrigerant discharged from the compressor 1 is switched to the four-way switching valve. Flow sequentially through valve 2, indoor heat exchanger 5, expansion valve 4, and outdoor heat exchanger 3. Then, the indoor heat exchanger 5 functions as a condenser, and the outdoor heat exchanger 3 functions as an evaporator, so that the room can be heated.
- the compressor 1 When the compressor 1 is driven with the four-way switching valve 2 switched to the state shown by the broken line, the refrigerant discharged from the compressor 1 is cooled by the four-way switching valve 2, the outdoor heat exchanger 3, the expansion valve 4, and the indoor heat exchanger. 5 flows sequentially. Then, the outdoor heat exchanger 3 functions as a condenser, and the indoor heat exchanger 5 functions as an evaporator, thereby cooling the room.
- the first flexible piping 20 is externally connected to one secondary port 7a.
- the second flexible pipe 21 is provided between the second secondary port 7b and the outdoor heat exchanger 3.
- the first flexible pipe 20 can be disposed at a position close to the external connection port 111 and the pipe fixing section, and the second flexible pipe 21 can be connected to the pipe fixing section called the outdoor heat exchanger 3 in the outdoor unit casing. It can be placed close to the location.
- vibration and noise from the compressor 1 and the like can be absorbed in a portion of the outdoor unit casing close to the pipe fixing portion, and vibration and noise leaked to the outside through the outdoor unit casing are reduced. Low vibration and noise!
- the metal pipe 23 is covered with an exterior member 24 made of a fiber material (Kepler fiber), so that the flexible pipes 20 and 21 are excellent in strength and can exhibit an excellent damping effect.
- the pair of primary ports 6a and 6b of the four-way switching valve 2 are directly connected to the discharge port la and the suction port lb of the compressor 1 without passing through a vibration absorbing mechanism such as a trap section and a loop section. ing .
- a vibration absorbing mechanism such as a trap section and a loop section. ing .
- the number of assembling steps is reduced by that much, and cost reduction and improvement in assemblability (productivity) are realized.
- the lack of a vibration absorption mechanism shortens the suction path of the compressor, thereby suppressing an increase in pressure loss on the suction side and improving COP.
- the COP is improved by 0.6% -1.2% for the 2.2kW-6.3kW capacity.
- the suction side pipe 10 includes a base part 25, a branch part 26, and branch pipes 27 and 27.
- the base 25 is connected to the primary port 6b of the four-way switching valve 2.
- the branch pipes 27, 27 are connected to the suction port lb of the compressor 1.
- Other configurations are the same as those of the above-described embodiment shown in FIGS. 2 to 4, and therefore, the same members are denoted by the same reference numerals and description thereof will be omitted.
- the present invention is not limited to the embodiments described above, and the present invention can be variously modified and implemented within the scope of the present invention.
- the concave-convex pitch, the axial length, the diameter of the concave and convex portions, etc. of the metal pipe 23 of the bellows constituting the flexible pipes 20 and 21 are such that the vibration and noise from the compressor 1 can be absorbed.
- the metal pipe 23 of the flexible pipes 20 and 21 is not limited to stainless steel pipe. Any kind of metal pipe that can stably form a bellows shape and absorb vibration and noise can be used as the metal pipe 23 when the refrigerant flows stably and has a depressing force.
- the exterior member 24 that covers the metal pipe 23 can also be formed of various types of rubber or synthetic resin other than Kepler fiber.
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
- Pipe Accessories (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU2004278595A AU2004278595A1 (en) | 2003-09-30 | 2004-09-15 | Air conditioner outdoor unit, air conditioner, and compressor unit |
US10/572,512 US20070039346A1 (en) | 2003-09-30 | 2004-09-15 | Air-conditioning outdoor unit, air-conditioner, and compressor unit |
EP04773081A EP1684033A1 (en) | 2003-09-30 | 2004-09-15 | Air conditioner outdoor unit, air conditioner, and compressor unit |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-339958 | 2003-09-30 | ||
JP2003339958A JP2005106367A (ja) | 2003-09-30 | 2003-09-30 | 空調室外機、空気調和機、及び圧縮機ユニット |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005033594A1 true WO2005033594A1 (ja) | 2005-04-14 |
Family
ID=34419165
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/013408 WO2005033594A1 (ja) | 2003-09-30 | 2004-09-15 | 空調室外機、空気調和機および圧縮機ユニット |
Country Status (7)
Country | Link |
---|---|
US (1) | US20070039346A1 (ja) |
EP (1) | EP1684033A1 (ja) |
JP (1) | JP2005106367A (ja) |
KR (1) | KR20060080191A (ja) |
CN (1) | CN1849488A (ja) |
AU (1) | AU2004278595A1 (ja) |
WO (1) | WO2005033594A1 (ja) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100978680B1 (ko) * | 2009-08-26 | 2010-08-30 | 충주대학교 산학협력단 | 밸브 블록, 이를 구비한 냉난방 장치 및 방법 |
KR20130090250A (ko) * | 2012-02-03 | 2013-08-13 | 삼성전자주식회사 | 실외기 및 이를 포함하는 공기조화기 |
US20160018137A1 (en) * | 2014-07-16 | 2016-01-21 | Bronswerk Marine Inc. | Modular refrigeration system, e.g., for ships |
JP7071793B2 (ja) * | 2015-10-19 | 2022-05-19 | 東芝ライフスタイル株式会社 | 衣類乾燥機およびヒートポンプユニット |
EP3312525B1 (en) | 2016-10-20 | 2020-10-21 | LG Electronics Inc. | Air conditioner |
JP2018066548A (ja) * | 2016-10-21 | 2018-04-26 | 株式会社東芝 | 熱交換器及び空気調和装置 |
KR102419898B1 (ko) * | 2017-06-26 | 2022-07-12 | 엘지전자 주식회사 | 가스 히트 펌프 시스템 |
KR102652240B1 (ko) * | 2017-12-05 | 2024-03-29 | 삼성전자주식회사 | 공기 조화기 |
EP3495752B1 (en) * | 2017-12-05 | 2020-02-26 | Samsung Electronics Co., Ltd. | Air conditioner |
KR102623103B1 (ko) * | 2018-11-20 | 2024-01-09 | 엘지전자 주식회사 | 열전모듈이 구비된 발판 |
WO2020137109A1 (ja) * | 2018-12-28 | 2020-07-02 | ダイキン工業株式会社 | 冷媒配管及び冷凍装置 |
JP2020109344A (ja) * | 2018-12-28 | 2020-07-16 | ダイキン工業株式会社 | 冷媒配管及び冷凍装置 |
WO2021019910A1 (ja) * | 2019-07-31 | 2021-02-04 | ダイキン工業株式会社 | 冷凍装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH024376Y2 (ja) * | 1984-09-14 | 1990-02-01 | ||
JPH0243017Y2 (ja) * | 1982-07-07 | 1990-11-15 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR860002704A (ko) * | 1984-09-06 | 1986-04-28 | 야마시다 도시히꼬 | 열펌프장치 |
US5182922A (en) * | 1991-11-21 | 1993-02-02 | Aeroquip Corporation | Automotive air-conditioning system |
US5848537A (en) * | 1997-08-22 | 1998-12-15 | Carrier Corporation | Variable refrigerant, intrastage compression heat pump |
-
2003
- 2003-09-30 JP JP2003339958A patent/JP2005106367A/ja active Pending
-
2004
- 2004-09-15 CN CNA2004800262899A patent/CN1849488A/zh active Pending
- 2004-09-15 KR KR1020067005000A patent/KR20060080191A/ko not_active Application Discontinuation
- 2004-09-15 EP EP04773081A patent/EP1684033A1/en not_active Withdrawn
- 2004-09-15 US US10/572,512 patent/US20070039346A1/en not_active Abandoned
- 2004-09-15 WO PCT/JP2004/013408 patent/WO2005033594A1/ja not_active Application Discontinuation
- 2004-09-15 AU AU2004278595A patent/AU2004278595A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0243017Y2 (ja) * | 1982-07-07 | 1990-11-15 | ||
JPH024376Y2 (ja) * | 1984-09-14 | 1990-02-01 |
Also Published As
Publication number | Publication date |
---|---|
US20070039346A1 (en) | 2007-02-22 |
AU2004278595A1 (en) | 2005-04-14 |
EP1684033A1 (en) | 2006-07-26 |
JP2005106367A (ja) | 2005-04-21 |
KR20060080191A (ko) | 2006-07-07 |
CN1849488A (zh) | 2006-10-18 |
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