CN113483390B - Active chilled beam equipment for four-pipe system and installation method thereof - Google Patents

Active chilled beam equipment for four-pipe system and installation method thereof Download PDF

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Publication number
CN113483390B
CN113483390B CN202110760629.6A CN202110760629A CN113483390B CN 113483390 B CN113483390 B CN 113483390B CN 202110760629 A CN202110760629 A CN 202110760629A CN 113483390 B CN113483390 B CN 113483390B
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CN
China
Prior art keywords
ceiling
positioning frame
beam body
horizontal guide
cold beam
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Active
Application number
CN202110760629.6A
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Chinese (zh)
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CN113483390A (en
Inventor
梁小宇
刘瑞军
赵坤
贾迎冬
王焕旺
吕玉玲
吴继承
于维新
王宁
付孟雨
王力
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China Construction Eighth Engineering Division Co Ltd
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China Construction Eighth Engineering Division Co Ltd
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Priority to CN202110760629.6A priority Critical patent/CN113483390B/en
Publication of CN113483390A publication Critical patent/CN113483390A/en
Application granted granted Critical
Publication of CN113483390B publication Critical patent/CN113483390B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/006Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation with means for hanging lighting fixtures or other appliances to the framework of the ceiling
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B9/00Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation
    • E04B9/02Ceilings; Construction of ceilings, e.g. false ceilings; Ceiling construction with regard to insulation having means for ventilation or vapour discharge
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/0007Indoor units, e.g. fan coil units
    • F24F1/0043Indoor units, e.g. fan coil units characterised by mounting arrangements
    • F24F1/0047Indoor units, e.g. fan coil units characterised by mounting arrangements mounted in the ceiling or at the ceiling
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/75Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity for maintaining constant air flow rate or air velocity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/02Ducting arrangements
    • F24F13/06Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/32Supports for air-conditioning, air-humidification or ventilation units
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Abstract

The invention discloses a four-pipe active chilled beam device and an installation method thereof, wherein the device comprises: the conversion bracket comprises two horizontal guide rails arranged in the same direction, a plurality of adapter rods and a positioning frame, wherein the adapter rods are vertically arranged, the horizontal guide rails are hung below a ceiling, a guide sliding groove is formed in the bottom of each horizontal guide rail, a ceiling decoration plate located below the horizontal guide rails is installed below the ceiling, a mounting hole is formed in the ceiling decoration plate, the positioning frame is embedded in the mounting hole, the bottom of the positioning frame is flush with the lower surface of the ceiling decoration plate, the upper ends of the adapter rods are slidably arranged in the guide sliding grooves, at least two adapter rods are arranged in one guide sliding groove, and the lower ends of the adapter rods are connected with the positioning frame; and the four-pipe active cold beam body is hung on the ceiling and arranged on the inner side of the ceiling decorative plate, and the heat exchange air return opening of the cold beam body is connected to the upper port of the positioning frame. The invention solves the problems of strong blowing sense, high operation noise and high energy consumption of terminal devices such as combined air conditioners or fan coils and the like used in the existing buildings.

Description

Four-pipe active chilled beam equipment and installation method thereof
Technical Field
The invention relates to the technical field of building construction, in particular to active chilled beam equipment for four-pipe system and an installation method thereof.
Background
At present, in public buildings, commercial buildings and civil buildings, terminal devices such as combined air conditioning boxes or fan coils are mostly adopted for indoor temperature regulation, but the terminal devices are all provided with fan power units, so that the air outlet speed is high, strong blowing feeling is achieved, the operation noise is high, and the energy consumption is serious.
Disclosure of Invention
In order to overcome the defects in the prior art, the four-pipe active chilled beam equipment and the installation method thereof are provided so as to solve the problems of strong blowing sense, high operation noise and high energy consumption of terminal devices such as combined air conditioning boxes or fan coils and the like used in the existing buildings.
To achieve the above object, there is provided a four-pipe active chilled beam apparatus, comprising:
the conversion bracket comprises two horizontal guide rails, a plurality of adapter rods and a positioning frame which are arranged in the same direction, wherein the horizontal guide rails are hung below a ceiling, a guide sliding groove is formed in the bottom of each horizontal guide rail, a ceiling decoration plate is arranged below the ceiling and is positioned below the horizontal guide rails, a mounting hole is formed in each ceiling decoration plate, the positioning frame is embedded in the mounting hole, the bottom of each positioning frame is flush with the lower surface of the ceiling decoration plate, the adapter rods are vertically arranged, the upper ends of the adapter rods are slidably arranged in the guide sliding grooves, at least two adapter rods are arranged in each guide sliding groove, and the lower ends of the adapter rods are connected to the positioning frames; and
the four-pipe active cold beam body is hung on the ceiling through a hanging rod and arranged on the inner side of the ceiling decorative plate, and a heat exchange air return inlet of the cold beam body is connected to an upper port of the positioning frame.
Furthermore, a fixed air volume valve is arranged on an air inlet branch pipe of the cold beam body.
Furthermore, the opposite sides subtend of the notch of direction spout extends and forms spacing edge of a wing, the upper end of switching pole is connected with the slider, the slider cunning is located in the direction spout and support and lean on in the inboard on spacing edge of a wing, the upper end of switching pole is worn to locate between the spacing edge of the opposite sides of direction spout and connect in the slider.
Furthermore, the heat exchange air return opening is connected with a first magnetic strip, the first magnetic strip is arranged in a circle along the circumferential direction of the heat exchange air return opening, the upper end opening of the positioning frame is connected with a second magnetic strip, and the second magnetic strip is magnetically adsorbed on the first magnetic strip.
Further, the second magnetic strip is arranged in a circle along the circumferential direction of the upper port of the positioning frame.
The invention provides an installation method for four-pipe active chilled beam equipment, which comprises the following steps:
positioning a mounting position of a pay-off chilled beam body on a ceiling, and forming a mounting hole in a ceiling decorative plate of the ceiling, so that the position of the mounting hole corresponds to the mounting position;
installing a conversion bracket at the installation position, so that two horizontal guide rails of the conversion bracket are installed on the ceiling, a positioning frame of the conversion bracket is embedded in the installation hole, and the bottom of the positioning frame is flush with the lower surface of the ceiling decorative plate;
and the cold beam body is hung on the ceiling through a hanging rod and is arranged on the inner side of the ceiling decorative plate, so that the heat exchange air return opening of the cold beam body is connected to the upper port of the positioning frame.
The four-pipe active cold beam equipment has the advantages that the four-pipe active cold beam body is adopted, the indoor blowing sense is soft, the operation noise is low, the energy consumption is low, the cold beam body is hung in the conversion support, the cold beam body can be freely adjusted in the direction along the horizontal guide rail, the problem that the support needs to be refitted due to the positioning error of the cold beam is solved, in addition, the manual work of horizontally adjusting the cold beam is reduced, the cold beam can be positioned in the horizontal direction when the heat exchange air return opening of the cold beam body is installed on the positioning frame, and the four-pipe active cold beam equipment has the characteristics of simplicity, convenience and accuracy.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a four-pipe active chilled beam facility according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a conversion bracket according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a positioning frame according to an embodiment of the present invention.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 3, the present invention provides a four-pipe active chilled beam facility, including: a conversion bracket 1 and a chilled beam body 2.
The conversion bracket 1 comprises two horizontal guide rails 11, a plurality of adapter rods 12 and a positioning frame 13. The two horizontal guide rails 11 are arranged in the same direction. The horizontal guide rail 11 is hung below a ceiling, and a guide sliding groove is formed at the bottom of the horizontal guide rail 11. The guide chute is arranged along the length direction of the horizontal guide rail. A ceiling decorative plate 3 is arranged below the ceiling through a keel. The ceiling tile 3 is located below the horizontal rail 11. The ceiling decorative plate 3 is provided with a mounting hole. The positioning frame 13 is embedded in the mounting hole. The bottom of the positioning frame 13 is flush with the lower surface of the ceiling tile 3. The adapter rod 12 is arranged vertically. The upper end of the switching rod 12 is slidably arranged in the guide chute. At least two transfer rods 12 are arranged in each guide sliding groove. The lower end of the adapter rod 12 is connected to the positioning frame 13.
The cold beam body 2 is a four-pipe active cold beam. The cold beam body 2 is hung on a ceiling through a hanging rod, and the cold beam body 2 is arranged on the inner side of the ceiling decorative plate 3. The heat exchange air return opening 20 of the cold beam body 2 is connected to the upper end of the positioning frame 13.
The cold beam body 2 comprises a static pressure box 21, a static pressure box air outlet, a cold beam upper guide plate 22, a cold beam lower guide plate 23 and a cold beam heat exchange air return opening 20. The chilled beam system is shown in cross-section in fig. 1 with the plenum at the top of the entire chilled beam system. The upper guide plate and the lower guide plate of the cold beam are parallel to each other, the upper guide plate is rigidly connected with the static pressure box shell and forms an included angle with the static pressure box shell, and the extension surface of the lower guide plate of the cold beam is rigidly connected with the heat exchange tube.
The four-pipe active cold beam equipment provided by the invention adopts the four-pipe active cold beam body, the indoor blowing sense is soft, the operation noise is low, and the energy consumption is low.
As a better implementation mode, a fixed air volume valve is arranged on the air inlet branch pipe of the chilled beam body 2.
According to the four-pipe active cold beam equipment, the fixed air volume valve is mounted on the air inlet branch pipe of the cold beam body, and the air volume is automatically adjusted according to the air flow pressure in the air pipe, so that the air volume of each cold beam can meet the design requirement, the opening of the valve does not need to be adjusted manually and repeatedly, and the time and labor for debugging the cold beam are saved.
In this embodiment, four air conditioning water pipes, namely a cold water supply return pipe and a hot water supply return pipe, need to be connected to the four-pipe active chilled beam, and each circulation loop needs to be provided with two stop valves, a Y-type filter and an electric two-way valve, and the number of valves is large, and independent support hangers should be arranged. After the pipeline valve is installed, the threaded end of the quick plug-in hose is connected with the pipeline, and the plug-in end is connected with the chilled beam equipment. For better venting, the main water pipe should be installed higher than the chilled beam plant, while the vent valve should be installed at the highest point of the water loop.
The four-pipe active chilled beam equipment is connected with a water pipe by adopting a quick plug-in hose. The quick-inserting hose is inserted into the quick-inserting connector of the chilled beam without threading and screwing, the construction process is simple, the pipeline connection is tight, the construction speed is accelerated, and the labor is saved. In addition, the cold water and the hot water used for the four-pipe active chilled beam device respectively adopt independent water supply and return pipes, so that the heat can be accurately preserved according to the design requirement, meanwhile, the water quantity can be better regulated by arranging a plurality of valves so as to ensure the air quantity control precision, the medicines can be administered according to the symptoms in the later maintenance, and the work of other parts is not influenced.
In a preferred embodiment, the opposite sides of the slot of the guide runner extend in opposite directions to form retaining flanges. The upper end of the switching rod 12 is connected with a slide block. The slider is glidingly arranged in the guide sliding groove and is abutted against the inner side of the limiting flange. The upper end of the adapter rod 12 is arranged between the limiting flanges on two opposite sides of the guide chute in a penetrating manner and is connected with the sliding block.
The heat exchange air return opening 20 is connected with a first magnetic strip. The first magnetic strips are arranged in a circle along the circumferential direction of the heat exchange air return opening 20. The upper port of the positioning frame 13 is connected with a second magnetic strip. The second magnetic strip is magnetically attracted to the first magnetic strip. Wherein, the second magnetic strip is provided with one circle along the circumferential direction of the upper port of the positioning frame 13.
The invention provides an installation method for four-pipe active chilled beam equipment, which comprises the following steps:
s1: the mounting position of the paying-off chilled beam body 2 is positioned on the ceiling, and a mounting hole is formed in a ceiling decorative plate 3 of the ceiling, so that the position of the mounting hole corresponds to the mounting position.
S2: the conversion bracket 1 is installed at the installation position, so that the two horizontal guide rails 11 of the conversion bracket 1 are installed on the ceiling, the positioning frame 13 of the conversion bracket 1 is embedded in the installation hole, and the bottom of the positioning frame 13 is flush with the lower surface of the ceiling decorative plate 3.
S3: the chilled beam body 2 is hung on a ceiling through a hanging rod and is arranged on the inner side of the ceiling decorative plate 3, so that the heat exchange air return opening 20 of the chilled beam body 2 is connected to the upper end opening of the positioning frame 13.
When the cold beam body is installed, the panel height of the cold beam body is slightly higher than the finished surface of the suspended ceiling, and when the finish-assembled suspended ceiling is constructed, the finish-assembled unit is matched, the screw rod and the nut of the adjusting suspender reduce the cold beam body, so that the panel of the cold beam body is flushed with the upper end surface of the positioning frame.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (6)

1. A four-pipe active chilled beam plant, comprising:
the conversion bracket comprises two horizontal guide rails, a plurality of adapter rods and a positioning frame which are arranged in the same direction, wherein the horizontal guide rails are hung below a ceiling, a guide sliding groove is formed in the bottom of each horizontal guide rail, a ceiling decoration plate is arranged below the ceiling and is positioned below the horizontal guide rails, a mounting hole is formed in each ceiling decoration plate, the positioning frame is embedded in the mounting hole, the bottom of each positioning frame is flush with the lower surface of the ceiling decoration plate, the adapter rods are vertically arranged, the upper ends of the adapter rods are slidably arranged in the guide sliding grooves, at least two adapter rods are arranged in each guide sliding groove, and the lower ends of the adapter rods are connected to the positioning frames; and
the four-pipe active cold beam body is hung on the ceiling through a hanging rod and arranged on the inner side of the ceiling decorative plate, and a heat exchange air return inlet of the cold beam body is connected to an upper port of the positioning frame.
2. The four-pipe active chilled beam device of claim 1, wherein a constant air volume valve is installed on an air inlet branch pipe of the chilled beam body.
3. The four-pipe active cold beam equipment according to claim 1, wherein the opposite sides of the notch of the guide sliding groove extend oppositely to form limiting flanges, the upper end of the adapter rod is connected with a sliding block, the sliding block is slidably arranged in the guide sliding groove and abuts against the inner sides of the limiting flanges, and the upper end of the adapter rod penetrates through the limiting flanges on the opposite sides of the guide sliding groove and is connected to the sliding block.
4. The four-pipe active cold beam equipment for the four-pipe active cold beam equipment as claimed in claim 3, wherein the heat exchange air return opening is connected with a first magnetic strip, the first magnetic strip is arranged in a circle along the circumferential direction of the heat exchange air return opening, the upper port of the positioning frame is connected with a second magnetic strip, and the second magnetic strip is magnetically adsorbed on the first magnetic strip.
5. The apparatus of claim 4, wherein the second magnetic strip is disposed in a circle along a circumferential direction of an upper port of the positioning frame.
6. An installation method for a four-pipe active chilled beam plant according to any of claims 1 to 5, comprising the steps of:
positioning a mounting position of a pay-off chilled beam body on a ceiling, and forming a mounting hole in a ceiling decorative plate of the ceiling, so that the position of the mounting hole corresponds to the mounting position;
installing a conversion bracket at the installation position, so that two horizontal guide rails of the conversion bracket are installed on the ceiling, a positioning frame of the conversion bracket is embedded in the installation hole, and the bottom of the positioning frame is flush with the lower surface of the ceiling decorative plate;
and the cold beam body is hung on the ceiling through a hanging rod and is arranged on the inner side of the ceiling decorative plate, so that the heat exchange air return opening of the cold beam body is connected to the upper port of the positioning frame.
CN202110760629.6A 2021-07-06 2021-07-06 Active chilled beam equipment for four-pipe system and installation method thereof Active CN113483390B (en)

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Application Number Priority Date Filing Date Title
CN202110760629.6A CN113483390B (en) 2021-07-06 2021-07-06 Active chilled beam equipment for four-pipe system and installation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110760629.6A CN113483390B (en) 2021-07-06 2021-07-06 Active chilled beam equipment for four-pipe system and installation method thereof

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CN113483390A CN113483390A (en) 2021-10-08
CN113483390B true CN113483390B (en) 2022-07-12

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Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05133549A (en) * 1991-11-13 1993-05-28 Hitachi Ltd Air conditioner
JPH09126542A (en) * 1995-10-31 1997-05-16 Zexel Corp Ceiling embedded type air conditioning apparatus and its fixing method
EP0887596A2 (en) * 1997-06-23 1998-12-30 Schako Metallwarenfabrik Ferdinand Schad Kg Air outlet for cooling and/or heating a room
CN104266264A (en) * 2014-10-16 2015-01-07 上海圣峰建材科技有限公司 Integrated ceiling air conditioner and mounting structure thereof
CN204876490U (en) * 2015-09-06 2015-12-16 四川省第一建筑工程公司 Sliding access hole structure of furred ceiling
CN106524363A (en) * 2016-12-18 2017-03-22 中铁二十局集团第六工程有限公司 Temperature and humidity adjusting system and active cooing beam joint construction structure and method
CN107110556A (en) * 2014-08-01 2017-08-29 奥雅纳工程顾问和合作伙伴国际有限公司 Air-conditioning unit
CN206815643U (en) * 2017-06-15 2017-12-29 绍兴明煌建材科技有限公司 A kind of easy-to-mount ceiling structure
CN207527820U (en) * 2017-11-03 2018-06-22 天津二建水电安装工程有限公司 A kind of fan coil noise-reducing bracket
JP2018204937A (en) * 2017-06-08 2018-12-27 エヌパット株式会社 Construction method of air conditioner and support device
JP2020056556A (en) * 2018-10-04 2020-04-09 ダイキン工業株式会社 Auxiliary decorative panel, indoor unit of ceiling embedded type air conditioner, ceiling embedded type air conditioner, and installation method of ceiling embedded type air conditioner

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05133549A (en) * 1991-11-13 1993-05-28 Hitachi Ltd Air conditioner
JPH09126542A (en) * 1995-10-31 1997-05-16 Zexel Corp Ceiling embedded type air conditioning apparatus and its fixing method
EP0887596A2 (en) * 1997-06-23 1998-12-30 Schako Metallwarenfabrik Ferdinand Schad Kg Air outlet for cooling and/or heating a room
CN107110556A (en) * 2014-08-01 2017-08-29 奥雅纳工程顾问和合作伙伴国际有限公司 Air-conditioning unit
CN104266264A (en) * 2014-10-16 2015-01-07 上海圣峰建材科技有限公司 Integrated ceiling air conditioner and mounting structure thereof
CN204876490U (en) * 2015-09-06 2015-12-16 四川省第一建筑工程公司 Sliding access hole structure of furred ceiling
CN106524363A (en) * 2016-12-18 2017-03-22 中铁二十局集团第六工程有限公司 Temperature and humidity adjusting system and active cooing beam joint construction structure and method
JP2018204937A (en) * 2017-06-08 2018-12-27 エヌパット株式会社 Construction method of air conditioner and support device
CN206815643U (en) * 2017-06-15 2017-12-29 绍兴明煌建材科技有限公司 A kind of easy-to-mount ceiling structure
CN207527820U (en) * 2017-11-03 2018-06-22 天津二建水电安装工程有限公司 A kind of fan coil noise-reducing bracket
JP2020056556A (en) * 2018-10-04 2020-04-09 ダイキン工業株式会社 Auxiliary decorative panel, indoor unit of ceiling embedded type air conditioner, ceiling embedded type air conditioner, and installation method of ceiling embedded type air conditioner

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