WO2017073341A1 - Matériau d'isolation thermique en mousse et unité intérieure de climatiseur - Google Patents

Matériau d'isolation thermique en mousse et unité intérieure de climatiseur Download PDF

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Publication number
WO2017073341A1
WO2017073341A1 PCT/JP2016/080341 JP2016080341W WO2017073341A1 WO 2017073341 A1 WO2017073341 A1 WO 2017073341A1 JP 2016080341 W JP2016080341 W JP 2016080341W WO 2017073341 A1 WO2017073341 A1 WO 2017073341A1
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WO
WIPO (PCT)
Prior art keywords
hole
insulating material
heat insulating
boss
foam heat
Prior art date
Application number
PCT/JP2016/080341
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English (en)
Japanese (ja)
Inventor
裕介 樽木
Original Assignee
ダイキン工業株式会社
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 ダイキン工業株式会社 filed Critical ダイキン工業株式会社
Publication of WO2017073341A1 publication Critical patent/WO2017073341A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L59/00—Thermal insulation in general
    • F16L59/02—Shape or form of insulating materials, with or without coverings integral with the insulating materials
    • 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
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • 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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/08—Parts formed wholly or mainly of plastics materials

Definitions

  • the present invention relates to a foam heat insulating material and an air conditioning indoor unit provided with the same.
  • Patent Document 1 Conventionally, as an air conditioning indoor unit, for example, there is one described in Patent Document 1.
  • This air conditioning indoor unit includes a heat exchanger and a drain pan that receives drain water generated from the heat exchanger.
  • the drain pan is provided with a plurality of boss portions, and the foam heat insulating material is fixed using the boss portions.
  • the strength of foam insulation is lower than that of metal such as iron that constitutes the screw. Therefore, the fastening member such as screw cannot be fixed at the boss portion provided on the foam insulation, and the foam insulation is connected to the drain pan. In many cases, it cannot be fixed. For this reason, after all, there is no option other than providing a boss portion on the drain pan, and the degree of freedom in designing the air conditioning indoor unit has been greatly limited.
  • an object of the present invention is to provide a foam heat insulating material capable of increasing the degree of freedom in design, and an air conditioning indoor unit using the same.
  • the foam insulation of the present invention is In foam insulation with a boss or hole with a boss hole, A hardened layer made of the same material as the foam heat insulating material is provided on the inner side surface of the boss hole or the inner side surface of the hole.
  • the foam heat insulating material is equipped with the boss
  • fastening members such as a screw, can be fixed to the boss
  • the boss hole or the hole is a blind hole
  • a hardened layer made of the same material as the foam heat insulating material is provided on the bottom surface of the boss hole or the bottom surface of the hole.
  • the hardened layer which consists of the same material as a foam heat insulating material is formed in the bottom face of a boss hole, or the bottom face of a hole. Is provided. For this reason, fastening members, such as a screw, can be fixed to the boss
  • the foam insulation In the region where the screw is fixed to the boss hole or the hole on the surface where the boss hole or the hole is opened, the foam heat insulating material A hardened layer made of the same material is provided.
  • the foaming heat insulating material fixed the fixing screw to the boss hole or the hole of the surface which a hole opens.
  • a hardened layer made of the same material as the foam insulation is provided in a region that receives a force directly or indirectly from the screw head of the screw. For this reason, a screw can be fixed to the boss
  • the cured layer has a thickness of 1 ⁇ m to 2.0 mm.
  • the thickness of the hardened layer can be set according to the type of fastening member and the like. For this reason, the freedom degree of the design of the apparatus using a foam heat insulating material can be raised, for example.
  • a hardened layer having a thickness of less than 1 ⁇ m is difficult to form.
  • the hardened layer whose thickness exceeds 2.0 mm can be substituted with a resin molded product or the like manufactured by injection molding.
  • the foam heat insulating material is made of any one material of polypropylene, polyethylene, and polystyrene, or is made of a mixed material of at least two of polypropylene, polyethylene, and polystyrene.
  • the material for forming the foam heat insulating material can be set according to the equipment to be used or the place to be used. For this reason, the freedom degree of the design of the apparatus using a foam heat insulating material can be raised, for example.
  • the air conditioning indoor unit of the present invention is Cold air or cooled cold part,
  • the foam heat insulating material according to claim 1 A member for an air conditioner indoor unit disposed between the cold air or the cold heat part and the foam heat insulating material; It is characterized by having.
  • the degree of freedom in designing the air conditioning indoor unit can be increased by the foam heat insulating material.
  • the foam heat insulating material of the present invention can fix a fastening member such as a screw to a boss portion or the like provided on the foam heat insulating material, for example, the degree of freedom in designing a device using the foam heat insulating material can be increased. .
  • the air conditioning indoor unit of the present invention includes the foam heat insulating material, the degree of freedom in designing the air conditioning indoor unit can be increased.
  • FIG. 1 It is a perspective view of an air-conditioning indoor unit of one embodiment of the present invention. It is sectional drawing along the II-II line of FIG. It is a cross-sectional schematic diagram which shows the fixed state of the foam heat insulating material of the air-conditioning indoor unit of FIG. It is a cross-sectional schematic diagram which shows the other fixed state of the foam heat insulating material of the air-conditioning indoor unit of FIG. It is a cross-sectional schematic diagram which shows another fixed state of the foam heat insulating material of the air-conditioning indoor unit of FIG.
  • an air conditioning indoor unit 100 is a wall-hanging type, and is connected to an outdoor unit (not shown) installed outdoors via a refrigerant pipe (not shown). ing.
  • the air conditioning indoor unit 100 includes a main body casing 10 and first and second frames 20 and 30 provided inside the main body casing 10.
  • the space formed by the main body casing 10 and the first frame 20 includes an indoor fan 40 disposed substantially in the center and a cooling unit disposed in front of and above the indoor fan 40.
  • positioned between the main body casing 10 and the heat exchanger 50 are provided.
  • the main body casing 10 includes a front grill 11, a front panel 12, and a mounting plate 13.
  • the front panel 12 is disposed so as to cover the front side of the front grill 11, and an upper end is rotatably supported by the front grill 11.
  • the mounting plate 13 is disposed on the rear side of the front grill 11.
  • the main body casing 10 is attached to an installation wall (not shown) via an attachment plate 13.
  • the lower surface of the main body casing 10 is provided with a blower outlet 14 and a lower suction port 15 disposed on the rear side of the blower outlet 14, and the upper suction port 16 is provided on the upper surface of the main body casing 10. Yes.
  • the blower outlet 14 is provided with two horizontal flaps 121 and 122 and a vertical flap 125.
  • the horizontal flaps 121 and 122 are juxtaposed in the front-rear direction, and can cooperate to adjust the vertical flow of the air blown out from the air outlet 14. Further, the outlet 14 is opened and closed by the rotation of the horizontal flap 122 on the rear side.
  • the vertical flap 125 is provided on the back side of the rear horizontal flap 122 (inside the main body casing 10), and can adjust the flow of air blown from the outlet 14 in the left-right direction (shown in FIG. 1). ing.
  • the lower suction port 15 is provided with a shutter 123 that opens and closes the lower suction port 15 and a drive mechanism 124 that drives the shutter 123.
  • the first frame 20 is made of resin and is disposed so as to cover the lower side and the rear side of the indoor fan 40 and the heat exchanger 50 as shown in FIG.
  • the first frame 20 includes first and second drain pans 21 and 22 which are examples of members for an air conditioning indoor unit.
  • the 1st drain pan 21 is arrange
  • the first and second drain pans 21 and 22 are configured to receive drain water dripped from the heat exchanger 50.
  • the first frame 20 has a passage forming portion 23 between the first and second drain pans 21 and 22.
  • a blowout passage 24 that communicates with a space in which the indoor fan 40 inside the main body casing 10 is disposed and an external space of the main body casing 10 is formed via the blowout port 14.
  • first foam heat insulating material 70 is provided on the rear surface of the first drain pan 21 and the passage forming portion 23 of the first frame 20. Further, a second foam heat insulating material 80 is provided on the lower surface of the second drain pan 22 of the first frame 20.
  • the second frame 30 has two protrusions 31 and 32 that are spaced apart in the vertical direction, and is located behind the first frame 20 and on the mounting plate 13 of the main casing 10. Is placed in front of. Between the second frame 30 and the first frame 20, the lower suction communicating with the rear space of the heat exchanger 50 inside the main body casing 10 and the outer space of the main body casing 10 through the lower suction port 15. A passage 33 is provided.
  • the indoor fan 40 is attached to the first frame 20 and is driven by a fan motor (not shown).
  • a fan motor not shown
  • air outside the main body casing 10 is sucked into the main body casing 10 from the lower suction port 15 and the upper suction port 16.
  • the air sucked into the main body casing 10 passes through the heat exchanger 50 and is cooled, for example.
  • the cooled air (cold air) is blown out of the main body casing 10 from the blowout port 14 through the blowout passage 24.
  • the heat exchanger 50 includes a first heat exchanger 51 disposed in front of the indoor fan 40, a second heat exchanger 52 disposed above the front side of the indoor fan 40, and an upper side of the rear side of the indoor fan 40. And a third heat exchanger 53 disposed on the side, and performs heat exchange with the contacting air.
  • the filter 60 removes dust contained in air when the air sucked into the main body casing 10 from the lower suction port 15 and the upper suction port 16 passes through the heat exchanger 50.
  • first and second foam heat insulating materials 70 and 80 provided in the first frame 20 will be described in more detail.
  • the first and second foam heat insulating materials 70 and 80 are made of, for example, any one material of polypropylene, polyethylene, and polystyrene, or a mixed material of at least two of polypropylene, polyethylene, and polystyrene.
  • the first foam heat insulating material 70 is sandwiched and fixed between the first frame 20 and the protrusions 31 and 32 of the second frame 30.
  • the second foam heat insulating material 80 has a predetermined thickness, and is a second surface facing the first surface 221 cooled by the heat exchanger 50 among the surfaces of the second drain pan 22. It arrange
  • the second foam heat insulating material 80 has a boss portion 81 on a surface 225 that is not in contact with the second surface 222 of the second drain pan 22.
  • the boss portion 81 is provided with a boss hole 82 which is a blind hole and is covered with a fixing portion 223 connected to the second drain pan 22.
  • the boss hole 82 is formed so that the fixing screw 90 can be fixed.
  • the fixing portion 223 is provided with a screw hole 224 at a portion corresponding to the boss hole 82, and a fixing screw 90 is screwed into the boss hole 82 from the screw hole 224. That is, the second foam heat insulating material 80 is fixed to the second drain pan 22 by the fixing screw 90 fixed to the boss hole 82.
  • the hardened layer 83 is provided on the inner side surface 84 and the bottom surface 85 of the boss hole 82 of the second foam heat insulating material 80 and the surface 86 where the boss hole 82 of the boss portion 81 opens.
  • the hardened layer 83 is a high hardness layer having a lower foaming rate than other portions of the second foam heat insulating material 80, and is formed with a thickness of 0.1 mm, for example.
  • the surface 86 is an example of a region that receives force indirectly from the screw head 91 of the fixing screw 90 when the fixing screw 90 is fixed to the boss hole 82.
  • the second foam heat insulating material 80 including the cured layer 83 is formed as follows, for example.
  • the mold is heated to the melting temperature of the foam insulation material to be used, and the heated mold cavity is filled with the foam insulation material.
  • a part of the raw material of the filled foam heat insulating material is melted and then solidified to form the hardened layer 83.
  • the remaining part of the raw material of the filled foam heat insulating material is heated and foamed and welded to form portions other than the hardened layer 83 of the second foam heat insulating material 80.
  • the second foam heat insulating material 80 is provided with the boss portion 81, and the foam heat insulating material is provided on the inner side surface 84, the bottom surface 85, and the surface 86 of the boss hole 82 of the boss portion 81.
  • a hardened layer 83 made of the same material is provided.
  • the hardened layer 83 is preferably formed with a thickness in the range of 1 ⁇ m to 2.0 mm. This is because it is technically difficult to form a cured layer having a thickness of less than 1 ⁇ m, and a cured layer exceeding 2.0 mm can be replaced with a resin molded product produced by injection molding. Therefore, the incentive to provide the hardened layer 83 is reduced. Thereby, the thickness of the hardened layer 83 can be set according to the kind etc. of the fixing screw 90, and the freedom degree of design of the air-conditioning indoor unit 100 can be raised.
  • the first and second foam heat insulating materials 70 and 80 can be formed of, for example, any one material of polypropylene, polyethylene, and polystyrene, or a mixed material of at least two materials of polypropylene, polyethylene, and polystyrene. Thereby, the material which forms the 1st, 2nd foam heat insulating materials 70 and 80 can be set according to the apparatus to be used or a place to use, etc., and the freedom degree of design of the air-conditioning indoor unit 100 can be raised. .
  • the boss portion 81 can be omitted as necessary.
  • a hole 182 that can fix the fixing screw 90 to the second foam heat insulating material 80 may be provided.
  • the hardened layer 83 is formed in a region 186 that contacts the fixing portion 223 of the surface 225 where the opening portion of the hole 182 of the second foam heat insulating material 80 is opened. What is necessary is just to provide.
  • the region 186 is an example of a region that receives force from the screw head 91 of the fixing screw 90 when the fixing screw 90 is fixed to the hole 182 in the surface 225 where the hole 182 opens.
  • the boss hole 82 and the hole 182 do not need to be blind holes, and may be through holes.
  • a fixing portion 223 having a screw hole 224 is provided on the second surface 222 of the second drain pan 22, and a second foam heat insulating material 80 is provided so as to cover the fixing portion 223.
  • the hardened layer 83 may be provided in the region 286 in contact with the screw head 91 of the fixing screw 90 in addition to the inner surface 284 of the hole 282.
  • the region 286 is an example of a region that receives force directly from the screw head 91 of the fixing screw 90 when the fixing screw 90 is fixed to the hole 282 in the surface 225 where the hole 282 opens.
  • the hardened layer 83 is provided on the inner surface 84, the bottom surface 85 of the boss hole 82 of the boss portion 81 and the surface 86 where the boss hole 82 opens, but this is not restrictive.
  • the hardened layer only needs to be provided at least on the inner side surface of the boss hole of the boss portion, the hardened layer may be provided only on the inner side surface, the hardened layer may be provided on the inner side surface and the bottom surface, or the inner side surface. Further, a hardened layer may be provided on the surface.
  • the second foam heat insulating material 80 provided with the boss portion 81 is used for the air conditioning indoor unit 100, but is not limited thereto.
  • the foam heat insulating material of the present invention can be applied to any device that requires heat insulation such as a refrigerator or a vending machine.
  • the second foam heat insulating material 80 can be fixed not only to the second drain pan 22 but also to other air conditioning indoor unit members. That is, the boss portion 81 is not limited to the above-described embodiment, and an arbitrary number of boss portions 81 can be provided at an arbitrary position in an arbitrary shape and size according to a member or the like for fixing the foam heat insulating material.
  • a boss portion or a hole may be provided in the first foam heat insulating material 70.
  • the fixing screw 90 is not limited to a special screw for foam insulation, but may be a general-purpose screw used for fastening other members.
  • the fixing screw 90 may be a self-tapping screw that does not need to be tapped in advance in the boss hole 82 and the hole 182 or may be a screw other than the self-tapping screw.
  • the first and second foam insulation materials 70 and 80 are not limited to being formed from any one material of polypropylene, polyethylene, and polystyrene, or a mixed material of at least two of polypropylene, polyethylene, and polystyrene. Can be formed from other materials.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Refrigerator Housings (AREA)
  • Laminated Bodies (AREA)
  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

L'invention concerne un matériau d'isolation thermique en mousse qui comprend une partie bosselée (81) qui comporte un trou bosselé (82) ou des trous (182, 282). Une couche durcie (83) qui comprend le même matériau que le matériau d'isolation thermique en mousse est disposée sur une surface intérieure (84) du trou bosselé (82) ou sur une surface intérieure (184, 284) des trous (182, 282).
PCT/JP2016/080341 2015-10-27 2016-10-13 Matériau d'isolation thermique en mousse et unité intérieure de climatiseur WO2017073341A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015211148A JP2017080987A (ja) 2015-10-27 2015-10-27 発泡断熱材および空調室内機
JP2015-211148 2015-10-27

Publications (1)

Publication Number Publication Date
WO2017073341A1 true WO2017073341A1 (fr) 2017-05-04

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PCT/JP2016/080341 WO2017073341A1 (fr) 2015-10-27 2016-10-13 Matériau d'isolation thermique en mousse et unité intérieure de climatiseur

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5579138A (en) * 1978-12-11 1980-06-14 Hitachi Ltd Unified foaming molding
JPS59167317U (ja) * 1983-04-22 1984-11-09 松下電器産業株式会社 空気調和機の水受装置
JPH0156886B2 (fr) * 1982-03-26 1989-12-01 Hitachi Ltd
JP2000234757A (ja) * 1999-02-15 2000-08-29 Mitsubishi Electric Corp 空気調和機
JP2002225165A (ja) * 2001-01-30 2002-08-14 Sumitomo Chem Co Ltd 熱可塑性樹脂発泡成形体
JP2008000905A (ja) * 2006-06-20 2008-01-10 Daikyo Nishikawa Kk 樹脂成形品

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5579138A (en) * 1978-12-11 1980-06-14 Hitachi Ltd Unified foaming molding
JPH0156886B2 (fr) * 1982-03-26 1989-12-01 Hitachi Ltd
JPS59167317U (ja) * 1983-04-22 1984-11-09 松下電器産業株式会社 空気調和機の水受装置
JP2000234757A (ja) * 1999-02-15 2000-08-29 Mitsubishi Electric Corp 空気調和機
JP2002225165A (ja) * 2001-01-30 2002-08-14 Sumitomo Chem Co Ltd 熱可塑性樹脂発泡成形体
JP2008000905A (ja) * 2006-06-20 2008-01-10 Daikyo Nishikawa Kk 樹脂成形品

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