WO2011007541A1 - Dispositif de ventilation et de climatisation - Google Patents

Dispositif de ventilation et de climatisation Download PDF

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Publication number
WO2011007541A1
WO2011007541A1 PCT/JP2010/004507 JP2010004507W WO2011007541A1 WO 2011007541 A1 WO2011007541 A1 WO 2011007541A1 JP 2010004507 W JP2010004507 W JP 2010004507W WO 2011007541 A1 WO2011007541 A1 WO 2011007541A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
compressor
air conditioner
bottom plate
ventilation air
Prior art date
Application number
PCT/JP2010/004507
Other languages
English (en)
Japanese (ja)
Inventor
菅田裕治
Original Assignee
パナソニック株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by パナソニック株式会社 filed Critical パナソニック株式会社
Priority to JP2011522710A priority Critical patent/JPWO2011007541A1/ja
Publication of WO2011007541A1 publication Critical patent/WO2011007541A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification

Definitions

  • the present invention relates to a ventilation air conditioner that is attached to a bathroom.
  • FIG. 12 is a bathroom installation perspective view showing a conventional ventilation air conditioner installed indoors.
  • the ventilation air conditioner 101 is attached to the inside of the ceiling 103 of the bathroom 102.
  • the ventilation air conditioner 101 is fixed by attaching a bolt 104 suspended from the ceiling on the building side of the attic to a hanging metal fitting 105 provided in the ventilation air conditioner 101.
  • the ventilation air conditioner 101 is attached to the interior of the ceiling 103 of the bathroom 102 by adjusting the length of the bolt 104 suspended from the ceiling on the building side.
  • the ventilation air conditioner 101 has been attached with the bolts 104 suspended from the ceiling on the building side. Therefore, it takes time and effort to maintain the blower, heat exchanger, etc. installed in the ventilation air conditioner 101. This is because the worker first climbs into the ceiling and removes the ventilation air conditioner 101 from the ceiling on the building side by loosening the bolts. Thereafter, the outer frame of the ventilation air conditioner 101 is removed, and the components such as the blower and the heat exchanger installed in the ventilation air conditioner 101 are removed.
  • a ventilation air conditioner includes a compressor for compressing a refrigerant, a first heat exchanger that radiates heat to the air sucked into the device, and a second heat exchange that absorbs heat from the air sucked into the device. And a circulation blower for blowing out the radiated air to the outside.
  • the compressor, the first heat exchanger, the second heat exchanger, and the circulating air blower are fixed to the bottom plate.
  • the ventilation air conditioner according to the present invention includes an outer frame that is detachably fixed to the bottom plate from above so as to accommodate the compressor, the first heat exchanger, the second heat exchanger, and the circulating air blower. .
  • FIG. 1 is a schematic view of the air flow in the ventilation air conditioner of the present invention.
  • FIG. 2 is an exploded perspective view of the ventilation air conditioner according to Embodiment 1 of the present invention.
  • FIG. 3 is an exploded perspective view of a main part of the ventilation air conditioner according to Embodiment 2 of the present invention.
  • FIG. 4 is an exploded perspective view of the heat exchanger of the ventilation air conditioner according to Embodiment 3 of the present invention.
  • FIG. 5 is an exploded perspective view showing an attached state of the compressor of the ventilation air-conditioning apparatus according to Embodiment 4 of the present invention.
  • FIG. 6 is an exploded perspective view of a ventilation air conditioner according to Embodiment 5 of the present invention.
  • FIG. 7 is an exploded perspective view of a ventilation air conditioner according to Embodiment 6 of the present invention.
  • FIG. 8 is an exploded perspective view of the ventilation air conditioner according to Embodiment 7 of the present invention.
  • FIG. 9 is an exploded perspective view of a ventilation air conditioner according to Embodiment 8 of the present invention.
  • FIG. 10 is a bathroom mounting perspective view of a ventilation air conditioner according to Embodiment 9 of the present invention.
  • FIG. 11 is an exploded perspective view of a ventilation air conditioner according to Embodiment 10 of the present invention.
  • FIG. 12 is a perspective view of a conventional ventilation air conditioner mounted on a bathroom.
  • FIG. 1 is a schematic diagram showing the flow of air in the ventilation air conditioner of the present invention.
  • the first heat exchanger 3 heats the air in the bathroom sucked from the suction port 3 ⁇ / b> A, and the air heated by the first heat exchanger 3 is blown out from the air outlet 2 ⁇ / b> A into the bathroom.
  • This air flow is generated by the rotation of the fan 2B provided inside the circulating air blower 2.
  • a suction port 4D (opening toward the room) is sucked by an exhaust fan 4G in a rectangular ventilation box 4B serving as an exhaust air blowing unit for discharging air from the room to the outside, and an opening 4F provided in the outer frame 7 is provided.
  • the passed air is heat-exchanged by the second heat exchanger 4 that acts in the opposite direction to the first heat exchanger 3, passes through the opening 4C, and passes from the opening 4E of the ventilation box 4B to the outside of the ventilation air conditioner (outdoors). Discharged.
  • the ventilation air conditioner When the ventilation air conditioner is used as a dryer, dehumidified warm air is required, and the air sucked from the suction port 4A is absorbed by the second heat exchanger 4 to remove moisture. The air from which moisture has been removed is heated by the first heat exchanger 3 to become dehumidified warm air, and is blown into the bathroom from the air outlet 2A.
  • FIG. 2 is an exploded perspective view showing the ventilation air conditioner according to Embodiment 1 of the present invention.
  • the ventilation air conditioner of the first embodiment absorbs heat from the compressor 1 that compresses the refrigerant, the first heat exchanger 3 that radiates heat to the passing air and warms the air, and the passing air.
  • a second heat exchanger 4 that cools the air, and a circulation blower 2 that blows out the air radiated by the first heat exchanger 3 into the bathroom.
  • the ventilation air conditioner according to the first embodiment includes a bottom plate 5 to which the compressor 1, the first heat exchanger 3, the second heat exchanger 4, and the circulating air blower 2 are fixed with fixing screws 6, respectively. .
  • the ventilation air conditioner of Embodiment 1 includes an outer frame 7 that covers the compressor 1, the first heat exchanger 3, the second heat exchanger 4, and the circulating air blower 2 from above. .
  • the bottom plate 5 is detachably attached to the outer frame 7 with a lower screw 8.
  • the operator can easily maintain the compressor 1, the first heat exchanger 3, the second heat exchanger 4, and the circulating air blower 2 in the bathroom without climbing the ceiling of the bathroom. That is, the operator simply removes the lower screw 8 that joins the outer frame 7 and the bottom plate 5 in the bathroom, and the compressor 1, the circulating air blower 2, the first heat exchanger 3 and the The second heat exchanger 4 can be lowered into the bathroom.
  • the assembly work in the factory is easy.
  • a work table is provided around the operator's waist, and the bottom plate 5 is placed on the work table.
  • the compressor 1, the circulating air blower 2, the 1st heat exchanger 3, and the 2nd heat exchanger 4 are installed in the baseplate 5, and it fixes with the top screw 6 from the top. If the assembling work is performed in this manner, the upper screw 6 can be fastened while looking at the screw hole 6A, so that the work is easy.
  • the ventilation box 4B for discharging air from the room to the outside is provided on the side of the ventilation air conditioner, but the ventilation box 4B is provided inside the ventilation air conditioner. May be.
  • the second heat exchanger 4 may or may not be housed inside the ventilation box 4B.
  • FIG. 3 is an exploded perspective view of the ventilation air conditioner according to Embodiment 2 of the present invention. 3 is different from the first embodiment in that a resin-made compressor fixing base 9 is provided between the bottom plate 5 and the compressor 1 in FIG.
  • the compressor fixing base 9 has a circular convex portion 10 that forms a circular convex portion on the side opposite to the compressor 1. It is comprised so that the fuselage
  • the compressor 1 has legs 11.
  • the leg 11 is a convex portion formed at each apex portion of the triangular bottom surface of the compressor 1, and a hole is opened at the tip of the leg 11. The hole opened at the tip is called the tip hole.
  • the compressor fixing base 9 has a column 12 for supporting the legs 11.
  • An anti-vibration rubber 13 having a hole in the center is attached to the tip hole of the leg 11.
  • a tip hole of a leg 11 to which a vibration isolating rubber 13 is attached is inserted into the support 12, and the compressor 1 is fixed to the compressor fixing base 9 with an upper screw 6 from above.
  • the piping 14 is connected by the 1st heat exchanger 3 and the 2nd heat exchanger 4 which are shown by FIG. 2, for example.
  • the operator can easily position the compressor 1 with the support 12 of the compressor fixing base 9. Therefore, when the compressor 1 is assembled, it is possible to reduce the variation in the installation position. Further, since the compressor fixing base 9 is made of resin, it is lightweight and can be positioned easily. Furthermore, since the compressor 1 is fixed by the resin-made compressor fixing base 9, the compressor 1 does not incline toward the pipe side due to the pulling of the pipe 14 having high strength and connected to the compressor 1.
  • the compressor fixing base 9 is provided as a fixing base, but the present invention is not limited to this configuration.
  • the first heat exchanger 3, the second heat exchanger 4, and the circulating air blowing unit 2 other than the compressor 1 shown in FIG. 2 may be provided with a fixing base for fixing to the bottom plate 5. That is, a fixing base having an opening corresponding to at least one between at least one of the compressor 1, the circulating air blower 2, the first heat exchanger 3 and the second heat exchanger 4 and the bottom plate 5.
  • a fixing base having an opening corresponding to at least one between at least one of the compressor 1, the circulating air blower 2, the first heat exchanger 3 and the second heat exchanger 4 and the bottom plate 5.
  • FIG. 4 is an exploded perspective view of the heat exchanger according to Embodiment 3 of the present invention.
  • the first heat exchanger 3 and the second heat exchanger 4 are fixed to a support fixing base 15.
  • the support fixing base 15 is formed by providing a plurality of mountain-shaped protrusions 16. And the mountain-shaped protrusion 16 of the support fixing base 15 is inserted into the space pins of the heat exchanger 17 and the U-bend 18 that are spaced at equal intervals.
  • the first heat exchanger 3 and the second heat exchanger 4 can be fixed to the bottom plate by attaching the support fixing base 15 to the bottom plate 5 shown in FIG.
  • the first heat exchanger 3 and the second heat exchanger 4 are fixed to the mountain-shaped protrusion 16 of the support fixing base 15, and therefore the first heat exchanger 3 and the second heat exchanger 4 are There is no mounting position shift, and assembly work at the factory is easy.
  • FIG. 5 is an exploded perspective view showing a state of attachment of the compressor according to Embodiment 4 of the present invention.
  • the difference from the second embodiment is that the bottom plate 5 is divided into the size of the compressor fixing base 9 and a compressor bottom plate 22 that supports the compressor 1 from below is provided.
  • the compressor fixing base 9 includes an opening 19 that is a substantially quadrangular (including quadrangular) hole formed adjacent to a portion on which the compressor 1 is placed.
  • the compressor 1 is fixed to the compressor fixing base 9 with screws from above.
  • the compressor fixing base 9 is fixed to the bottom plate 5 with screws from below at the same positions as those fixed from above with screws.
  • the piping 14 is connected by the 1st heat exchanger 3 and the 2nd heat exchanger 4 which are shown by FIG. 2, for example.
  • the terminal connection unit 20 is a load line connection unit that supplies power to the compressor 1.
  • the expansion valve coil 21 is a lead wire for driving the expansion valve.
  • the terminal connection portion 20 and the expansion valve coil 21 are confirmed from the opening 19.
  • the refrigerant in the pipe 14 is accumulated in the compressor 1, and the opening The pipe 14 may be removed from the pipe 19. Thereby, it is possible to remove only the compressor 1 easily.
  • compressor bottom plate 22 does not need to be created by dividing the bottom plate 5, and may be created by another material or another method.
  • FIG. 6 is an exploded perspective view of a ventilation air conditioner according to Embodiment 5 of the present invention.
  • the first heat exchanger 3 and the second heat exchanger 4 are mounted on the heat exchanger fixing base 23.
  • FIG. 7 is an exploded perspective view of a ventilation air conditioner according to Embodiment 6 of the present invention.
  • the bottom plate 5 is divided into a compressor bottom plate 22, a circulation blower bottom plate 26, and a heat exchanger bottom plate 27.
  • the compressor bottom plate 22 supports the compressor unit 24 that is the compressor 1 fixed by the compressor fixing base 9 from below.
  • the circulation blower bottom plate 26 supports the circulation blower 2 from below.
  • the heat exchanger bottom plate 27 supports the first heat exchanger 3 and the second heat exchanger 4 fixed by the heat exchanger fixing base 23 from below.
  • the compressor bottom plate 22, the circulating air blowing unit bottom plate 26, and the heat exchanger bottom plate 27 are fixed to the outer frame 7 with screws from the bottom of the bottom plate 5.
  • the compressor section 24 and the heat exchanger section 25 when it is desired to remove the compressor section 24 and the heat exchanger section 25, for example, the refrigerant in the pipe 14 as shown in FIG.
  • the pipe 14 may be removed from the opening 19. Thereby, the compressor part 24 or the heat exchanger part 25 can be removed easily.
  • the compressor fixing base 9, the first heat exchanger 3, and the heat exchanger fixing base 23 are provided below the compressor 1, but the compressor fixing base is provided. It is good also as a structure which is not equipped with the base 9 or the heat exchanger fixed base 23.
  • the compressor bottom plate 22, the circulating air blower bottom plate 26, the heat exchanger bottom plate 27, and the bottom plate 5 do not have to be created separately, and may be created by another material or another method.
  • FIG. 8 is an exploded perspective view of the ventilation air conditioner in the seventh embodiment.
  • a rib 28 ⁇ / b> A that is a compressor support member is provided on the compressor fixing base 9 that fixes the compressor 1.
  • the ribs 28A are plate-like, and the ribs 28A are provided in the vertical and horizontal directions of the bottom surface 29A of the compressor fixing base 9.
  • the plate-like rib 28 ⁇ / b> A has a convex cross-sectional shape on the side opposite to the compressor 1.
  • FIG. 9 is an exploded perspective view of a ventilation air conditioner according to Embodiment 8 of the present invention.
  • a plurality of ribs 28 ⁇ / b> B which are heat exchanger support members, are provided on the heat exchanger fixing base 23 provided below the first heat exchanger 3 and the second heat exchanger 4.
  • the ribs 28B are plate-like, and the ribs 28B are provided on the bottom surface 29B of the heat exchanger fixing base 23 in the vertical and horizontal directions.
  • the plate-like rib 28 has a convex cross-sectional shape on the side opposite to the heat exchanger fixing base 23.
  • the strength of the heat exchanger fixing base 23 is improved only by using the plate-like ribs 28 without increasing the plate thickness, so that the material cost and the weight can be reduced.
  • FIG. 10 is an exploded perspective view of a ventilation air conditioner according to Embodiment 9 of the present invention.
  • the outer frame 7 of the ninth embodiment is made of resin, and the outer frame 7 is composed of a double-structured wall of an outer wall 30 and an inner wall 31, and the space between the outer wall 30 and the inner wall 31 is in a vacuum state. is there. Since the outer frame 7 is made of resin, it is nonflammable and is strong and lightweight.
  • the outer frame 7 is insulated by providing a vacuum air layer between the outer wall 30 and the inner wall 31. Therefore, compared with the heat insulating material using the conventional sheet metal or foam material, high heat insulating performance and light weight can be realized.
  • FIG. 11 is an exploded perspective view of a ventilation air conditioner according to Embodiment 10 of the present invention.
  • the ventilation air conditioner of the tenth embodiment is attached to the ceiling of a building by a hanging frame 32 that is an attachment member having a hanging bracket 35.
  • a ceiling opening 34 for attaching a ventilation air conditioner to the bathroom ceiling 33 is provided, and a hanging frame 32 having a hanging metal fitting 35 is provided in the ceiling opening 34.
  • Hanging brackets 35 are provided at the four corners of the hanging frame 32 and are fixed by bolts 36 lowered from the ceiling of the building.
  • the ventilation air conditioner of the tenth embodiment is inserted into the ceiling opening 34 of the hanging frame 32 from the bathroom.
  • a circulation blower bottom plate 26 to which the circulation blower 2 is fixed, a compressor bottom plate 22 to which the compressor portion 24 is fixed, and a heat exchanger bottom plate 27 to which the heat exchanger 23 is fixed are housed inside the ventilation air conditioner.
  • the suspension frame 32 and the ventilation air conditioner are fixed so as to be detachable with screws from the inside of the outer frame 7 toward the outside of the ventilation air conditioner.
  • the worker can install and remove the ventilation air conditioner from inside the bathroom.
  • the worker can perform maintenance from within the bathroom without climbing the ceiling of the bathroom.
  • a ventilation air conditioner that can be easily assembled and maintained is provided.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)
  • Ventilation (AREA)
  • Central Heating Systems (AREA)

Abstract

L'invention porte sur un dispositif de ventilation et de climatisation dont le montage et l'entretien sont faciles. Ledit dispositif comporte : un compresseur (1) destiné à comprimer un réfrigérant ; un premier échangeur de chaleur (3) qui dissipe de la chaleur dans l'air aspiré dans le dispositif ; un second échangeur de chaleur (4) qui absorbe de la chaleur à partir de l'air aspiré dans le dispositif ; et un ventilateur de circulation (2) destiné à souffler vers l'extérieur l'air dans lequel de la chaleur a été dissipée. Le compresseur (1), le ventilateur de circulation (2), le premier échangeur de chaleur (3) et le second échangeur de chaleur (4) sont fixés à une plaque de base (5). Le dispositif décrit comprend en outre une carcasse extérieure (7) qui est fixée à la plaque de base (5) par le haut, de façon amovible, de manière à contenir le compresseur (1), le ventilateur de circulation (2), le premier échangeur de chaleur (3), et le second échangeur de chaleur (4).
PCT/JP2010/004507 2009-07-14 2010-07-12 Dispositif de ventilation et de climatisation WO2011007541A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2011522710A JPWO2011007541A1 (ja) 2009-07-14 2010-07-12 換気空調装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2009165652 2009-07-14
JP2009-165652 2009-07-14

Publications (1)

Publication Number Publication Date
WO2011007541A1 true WO2011007541A1 (fr) 2011-01-20

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PCT/JP2010/004507 WO2011007541A1 (fr) 2009-07-14 2010-07-12 Dispositif de ventilation et de climatisation

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JP (1) JPWO2011007541A1 (fr)
TW (1) TW201107685A (fr)
WO (1) WO2011007541A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012193934A (ja) * 2011-03-18 2012-10-11 Panasonic Corp 浴室換気空調装置
CN103321877A (zh) * 2013-01-22 2013-09-25 胡云翔 Osg-e系列空气压缩机可拆卸式机箱结构设计
CN106287962A (zh) * 2016-08-23 2017-01-04 美的集团武汉制冷设备有限公司 空调室内机
CN107796114A (zh) * 2017-11-17 2018-03-13 珠海格力电器股份有限公司 空调设备及其底座
KR20210125400A (ko) * 2020-04-08 2021-10-18 엘지전자 주식회사 환기 시스템

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6464806B2 (ja) * 2015-02-23 2019-02-06 マックス株式会社 設備機器
CN105865013A (zh) * 2016-05-27 2016-08-17 珠海格力电器股份有限公司 底盘组件及具有其的空调器
CN113983529A (zh) * 2021-11-17 2022-01-28 美智光电科技股份有限公司 浴霸的控制方法、计算机可读存储介质及浴霸

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JPS57190311U (fr) * 1981-05-28 1982-12-02
JPH08270979A (ja) * 1995-04-04 1996-10-18 Matsushita Seiko Co Ltd 換気空調ユニット
JP2001263698A (ja) * 2000-03-24 2001-09-26 Harman Co Ltd 浴室暖房機
JP2002323232A (ja) * 2001-04-25 2002-11-08 Kimura Kohki Co Ltd 天吊形ヒートポンプ式空調機
JP2009109028A (ja) * 2007-10-26 2009-05-21 Panasonic Corp 浴室換気空調装置

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JPS5661523A (en) * 1979-10-26 1981-05-27 Hitachi Ltd Indoor unit of separate type air conditioner
JPH0712819U (ja) * 1993-07-15 1995-03-03 松下冷機株式会社 空気調和機の箱体
JPH07332703A (ja) * 1994-06-10 1995-12-22 Fujitsu General Ltd モータ取付台の取付構造
JP3523823B2 (ja) * 2000-02-29 2004-04-26 東芝キヤリア株式会社 空気調和機の室外ユニット

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JPS57190311U (fr) * 1981-05-28 1982-12-02
JPH08270979A (ja) * 1995-04-04 1996-10-18 Matsushita Seiko Co Ltd 換気空調ユニット
JP2001263698A (ja) * 2000-03-24 2001-09-26 Harman Co Ltd 浴室暖房機
JP2002323232A (ja) * 2001-04-25 2002-11-08 Kimura Kohki Co Ltd 天吊形ヒートポンプ式空調機
JP2009109028A (ja) * 2007-10-26 2009-05-21 Panasonic Corp 浴室換気空調装置

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012193934A (ja) * 2011-03-18 2012-10-11 Panasonic Corp 浴室換気空調装置
CN103321877A (zh) * 2013-01-22 2013-09-25 胡云翔 Osg-e系列空气压缩机可拆卸式机箱结构设计
CN106287962A (zh) * 2016-08-23 2017-01-04 美的集团武汉制冷设备有限公司 空调室内机
CN106287962B (zh) * 2016-08-23 2022-05-13 美的集团武汉制冷设备有限公司 空调室内机
CN107796114A (zh) * 2017-11-17 2018-03-13 珠海格力电器股份有限公司 空调设备及其底座
KR20210125400A (ko) * 2020-04-08 2021-10-18 엘지전자 주식회사 환기 시스템
KR102395427B1 (ko) 2020-04-08 2022-05-10 엘지전자 주식회사 환기 시스템

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TW201107685A (en) 2011-03-01
JPWO2011007541A1 (ja) 2012-12-20

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