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WO2014122939A1 - Panneau d'isolation - Google Patents

Panneau d'isolation Download PDF

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Publication number
WO2014122939A1
WO2014122939A1 PCT/JP2014/000670 JP2014000670W WO2014122939A1 WO 2014122939 A1 WO2014122939 A1 WO 2014122939A1 JP 2014000670 W JP2014000670 W JP 2014000670W WO 2014122939 A1 WO2014122939 A1 WO 2014122939A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat insulating
insulating material
insulation panel
vacuum
vacuum heat
Prior art date
Application number
PCT/JP2014/000670
Other languages
English (en)
Japanese (ja)
Inventor
宅島　司
遠田　正和
麻衣子 中里
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 JP2014560688A priority Critical patent/JPWO2014122939A1/ja
Priority to CN201480007916.8A priority patent/CN104995447A/zh
Publication of WO2014122939A1 publication Critical patent/WO2014122939A1/fr

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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
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/06—Walls
    • 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
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure
    • 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
    • F25D2500/00—Problems to be solved
    • F25D2500/02—Geometry problems

Definitions

  • the present invention relates to a heat insulating panel provided with a vacuum heat insulating material and a foam heat insulating material between a front surface material and a back surface material.
  • This vacuum heat insulating material is obtained by sealing a core material such as glass wool and an adsorbent under reduced pressure in a jacket material having a gas barrier property, and has a heat insulating performance about 20 times that of a conventional urethane foam. For this reason, the vacuum heat insulating material is attracting attention as an effective means that can achieve energy saving while satisfying customer demands for refrigerators that have a large internal volume with respect to the external dimensions.
  • Patent Document 1 glass wool or a vacuum heat insulating material is used in a conventional wall.
  • a thin vacuum heat insulating material has a problem that if there is a portion where the vacuum heat insulating material and the urethane foam do not adhere as described above, the surface layer portion is likely to be deformed, resulting in a defective product.
  • the present invention solves the above-mentioned conventional problems, and even if it is a thinly attached internal heat insulating panel, a good appearance quality can be obtained.
  • the heat insulation panel of the present invention is a heat insulation panel including at least a vacuum heat insulation material and a foam heat insulation material, and the vacuum heat insulation material is vacuum-sealed with a core material covered with a jacket material.
  • the thickness of the vacuum heat insulating material is 1/2 or more of the thickness of the heat insulating panel, and the fin is fixed to the vacuum heat insulating material by folding the fin portion, which is a peripheral portion, to the center side of the vacuum heat insulating material.
  • the fin portion is fixed by an adhesive member disposed on the inner surface of the fin portion.
  • the said structure even if it is a thin heat insulation panel whose thickness of a foam heat insulating material is 15 mm or less, a part which a foam heat insulating material does not adhere easily to a fin fixed part arises by fixing a fin part using an adhesive member. This can be suppressed. For this reason, the part which a foaming heat insulating material peels is suppressed, and it can suppress that the dent deformation
  • the heat insulation panel according to the present invention it is possible to suppress the foam heat insulating material from being peeled off from the vacuum heat insulating material, and to obtain a good appearance quality.
  • FIG. 1 is a cross-sectional view of a heat insulation panel according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view of the vacuum heat insulating material shown in FIG.
  • FIG. 3 is a perspective view seen from the front of the vacuum heat insulating material shown in FIG.
  • FIG. 4 is a cross-sectional view of a heat insulation panel of Modification 1 according to Embodiment 1 of the present invention.
  • FIG. 5 is a cross-sectional view of the heat insulation panel according to Embodiment 2 of the present invention.
  • FIG. 6 is a cross-sectional view of a heat insulation panel of Modification 1 according to Embodiment 2 of the present invention.
  • the 1st invention is equipped with the vacuum heat insulating material, the foam heat insulating material, and the adhesive member, the core material is accommodated in the bag formed with the jacket material, and is vacuum-sealed.
  • the thickness is 1 ⁇ 2 or more of the thickness of the heat insulation panel, the fin portion that is the peripheral portion of the vacuum heat insulating material is folded back to the center side of the vacuum heat insulating material, the adhesive member is disposed on the inner surface of the fin portion, The first portion on the inner side of the fin portion of the jacket material is fixed by an adhesive member.
  • the 2nd invention is equipped with the vacuum heat insulating material, the foam heat insulating material, and the adhesive member, and the vacuum heat insulating material contains the core material in the bag formed of the jacket material, and is vacuum-sealed.
  • the thickness is 1 ⁇ 2 or more of the thickness of the heat insulating panel, the fin portion which is the peripheral portion of the vacuum heat insulating material is folded back to the center side of the vacuum heat insulating material, and the adhesive members are the outer surface of the fin portion and the fin portion of the jacket material. It arrange
  • the vacuum heat insulating material used in the first or second invention may be sealed under reduced pressure using a moisture adsorbent together with the core material. Thereby, the residual moisture adhering to the core material and moisture entering from the outside can be adsorbed and the reduced pressure state can be maintained. For this reason, since the fall of the heat insulation of a vacuum heat insulating material can be suppressed, and since the air which penetrate
  • the heat insulating panel according to Embodiment 1 of the present invention is a heat insulating panel including at least a vacuum heat insulating material and a foam heat insulating material, and the vacuum heat insulating material is vacuum-sealed with a core material covered with a jacket material,
  • the thickness of the vacuum heat insulating material is 1/2 or more of the thickness of the heat insulating panel, and the vacuum heat insulating material has a fin fixing portion in which a fin portion which is a peripheral portion is folded and fixed to the center side of the vacuum heat insulating material, Is fixed by an adhesive member disposed on the inner surface of the fin portion.
  • the adhesive member may be a hot melt adhesive.
  • the heat insulating panel according to Embodiment 1 of the present invention may further include a front surface material and a back surface material arranged so as to sandwich the vacuum heat insulating material or the foam heat insulating material.
  • FIG. 1 is a cross-sectional view of a heat insulation panel according to Embodiment 1 of the present invention.
  • FIG. 2 is a cross-sectional view of the vacuum heat insulating material shown in FIG.
  • FIG. 3 is a perspective view seen from the front of the vacuum heat insulating material shown in FIG.
  • the heat insulation panel 20 in this Embodiment 1 is provided with the vacuum heat insulating material 3 between the surface material 1 and the back surface material 2, and is filled with urethane foam (foam heat insulating material) 5. Yes.
  • the vacuum heat insulating material 3 is sealed in a vacuum after a core material 8 made of fibers such as glass, a moisture adsorbent 6 and a gas adsorbent 7 are enclosed in a jacket material 9.
  • the jacket material 9 includes a first laminate film 9a and a second laminate film 9b, and is configured by the first laminate film 9a and the second laminate film 9b.
  • the core material 8, the moisture adsorbent 6, and the gas adsorbent 7 are accommodated in the bag.
  • the outermost layer of the first laminate film 9a and the second laminate film 9b is made of nylon, and a nylon film, an aluminum deposited film of PET film, and a polyethylene film are laminated from the outside.
  • the moisture adsorbent 6 for example, a chemical adsorption material such as calcium oxide or magnesium oxide, or a physical adsorption material such as zeolite can be used.
  • the gas adsorbent 7 is sealed in the storage container 10 and is opened after the vacuum heat insulating material 3 is sealed, thereby increasing the sealing degree of the vacuum heat insulating material 3 and improving the heat insulating performance.
  • gas adsorbent 7 examples include zirconium, vanadium and tungsten alloys, iron, manganese, yttrium, alloys containing one element of lanthanum and rare earth elements, Ba-Li alloys, and zeolites ion-exchanged with metal ions. Is mentioned. Moreover, as a material of the storage container 10, metal materials, such as aluminum, iron, a trunk
  • the fin portion 11 which is the peripheral edge portion of the vacuum heat insulating material 3 (cover material 9), is folded back toward the center of the vacuum heat insulating material 3.
  • An adhesive member 4 is disposed on the inner surface of the fin portion 11 facing the outer cover material 9.
  • the fin part 11 is being fixed to the 1st part 13 of the inner side rather than the fin part 11 of the jacket material 9 with the adhesive member 4.
  • FIG. The first portion 13 is a portion of the outer cover material 9 that faces the fin portion 11 when the fin portion 11 is folded back.
  • the part in which the fin part 11 in the vacuum heat insulating material 3 is being fixed to the 1st part 13 comprises the fin fixing
  • the adhesive member 4 uses a hot-melt adhesive in the first embodiment.
  • a hot-melt adhesive for example, an olefin-based hot-melt material such as “MORESCOME RAC-18Z” manufactured by MORESCO Co., Ltd. may be used.
  • the application amount of the adhesive member 4 to the fin portion 11 may be, for example, 0.5 gram / m to 1.5 gram / m. Further, the adhesive member 4 may be applied to the fin portion 11 in a board shape or a bead shape.
  • a rectangular first laminated film 9a and a rectangular second laminated film 9b are produced, and are arranged so that the first laminated film 9a and the second laminated film 9b face each other, thereby producing a laminate.
  • the three sides of the peripheral portions of the first laminate film 9a and the second laminate film 9b are pressed while being heated and thermally welded to produce a bag-like laminate film. Under the present circumstances, it seals because the part which the polyethylene films located in the innermost side contact is heat-welded.
  • the storage container 10 storing the core material 8, the moisture adsorbent 6 and the gas adsorbent 7 is inserted from the opening of the bag-shaped laminate film, and the inside of the bag-shaped laminate film is used using a vacuum packaging machine.
  • the vacuum heat insulating material 3 is obtained by thermally welding the opening while evacuating.
  • the urethane foam 5 is foamed and applied between the surface material 1 and the back material 2. And the heat insulation panel 20 is obtained by hold
  • Example 1 an example (Example 1) of the heat insulation panel 20 manufactured with the said manufacturing method is demonstrated.
  • the thickness t2 at the inner dimension of the heat insulation panel 20 was 15 mm
  • the thickness t1 of the vacuum heat insulating material 3 was 8 mm. That is, the thickness t1 of the vacuum heat insulating material 3 was equal to or greater than 1 ⁇ 2 of the thickness t2 of the heat insulating panel 20.
  • an adhesive member (hot melt adhesive) 4 is arranged between the fin portion 11 and the jacket material 9, and the fin portion 11 is fixed by the hot melt adhesive.
  • the surface of the tape with poor adhesion to the urethane foam is not exposed.
  • transformation can be prevented because the jacket material 9 and the urethane foam 5 contact
  • the heat insulation panel 20 it is possible to suppress the occurrence of a portion where the urethane foam 5 is difficult to adhere to the fin fixing portion 12. For this reason, generation
  • the first laminate film 9a and the second laminate film 9b are used as the covering material 9, and the four heat insulating sides are used to obtain the vacuum heat insulating material 3.
  • the present invention is not limited to this.
  • a form in which the vacuum heat insulating material 3 is obtained by folding one rectangular outer covering material 9 in two and welding three sides other than the folded portion may be adopted.
  • FIG. 4 is a cross-sectional view of the heat insulation panel of Modification 1 according to Embodiment 1 of the present invention.
  • the heat insulation panel 20 of the modification 1 in this Embodiment 1 has the same basic structure as the heat insulation panel 20 according to Embodiment 1, but the vacuum heat insulating material 3 is a foamed phenol foam 15.
  • the surface material 1 and the back surface material 2 are used, the surface material 1 and the back surface material 2 are not disposed, the surface material 1 and the back surface material 2 are used as the adhesive member 4. It differs from the point which forms the heat insulation panel without.
  • the adhesive member 4 is disposed so as to stick the inner surface of the fin portion 11 and the first portion 13 of the jacket material 9.
  • the foamed phenol foam 15 is used as the foam heat insulating material.
  • a foaming heat insulating material you may use a foaming polypropylene etc., for example.
  • the present inventors have a heat insulation panel in which the fin portion 11 is fixed to the inner side of the fin portion 11 of the jacket material 9 using a normal aluminum tape, and ⁇ t is 10 mm or more and 20 mm or less. Even so, it is observed that deformation has occurred on the surface.
  • the heat insulation panel according to Embodiment 2 of the present invention is a heat insulation panel including at least a vacuum heat insulation material and a foam heat insulation material, and the vacuum heat insulation material is vacuum-sealed with a core material covered with a jacket material,
  • the thickness of the vacuum heat insulating material is 1 ⁇ 2 or more of the thickness of the heat insulating panel.
  • the vacuum heat insulating material has a fin fixing portion in which a fin portion which is a peripheral portion is folded and fixed to the center side of the vacuum heat insulating material, Is fixed by an adhesive member from the outer surface of the fin portion, and the surface of the adhesive member has a close contact portion with good adhesion to the foam heat insulating material.
  • the good adhesion of the adhesion part in the present invention means that the OPP (biaxially oriented polypropylene) tape and urethane foam as described in the prior art are bonded, or the outer surface material of the jacket material is nylon. This refers to those with stronger adhesive strength than urethane foam.
  • the adhesive member is a tape
  • a close contact portion may be provided on the outer surface side of the tape.
  • the close contact portion may be formed in a shape having irregularities.
  • FIG. 5 is a cross-sectional view of the heat insulation panel according to Embodiment 2 of the present invention.
  • the heat insulation panel 20 according to the second embodiment has the same basic configuration as the heat insulation panel 20 according to the first embodiment, but uses a tape as the adhesive member 4. The point that the fin part 11 is fixed by the adhesive member 4 from the outer surface of the fin part 11 is different.
  • the adhesive member 4 is disposed so as to cover the outer surface of the fin portion 11 and the second portion 14 on the inner side of the fin portion 11 of the covering material 9, and the fin portion 11 and the second portion 14. Are fixed by the adhesive member 4.
  • the second portion 14 is a portion located closer to the center of the vacuum heat insulating material 3 than the first portion 13.
  • the surface 4a of the tape used as the adhesive member 4 has a close contact portion that is treated with the urethane foam 5 and enhanced.
  • adherence part you may be comprised by the shape which has an unevenness
  • the uneven shape may be a mesh-like uneven shape such as a cloth tape, or a fine uneven shape such as a paper surface.
  • the adhesiveness of the foam heat insulating material can be increased by devising a coating agent on the surface 14a of the tape.
  • the surface 14a of the tape has a release agent, but in the second embodiment, by using a coating agent that does not contain silicon and fluorine that have low adhesion to urethane, which is a foam heat insulating material, An adhesion portion can be formed on the surface 14a of the tape.
  • Example 1 Here, an example (Example 1) of the heat insulation panel 20 according to the second embodiment configured as described above will be described.
  • cloth tape is used as the adhesive member 4.
  • the thickness t2 of the inner dimension of the heat insulating panel 20 was 15 mm, whereas the thickness t1 of the vacuum heat insulating material 3 was 8 mm. That is, the thickness t1 of the vacuum heat insulating material 3 was equal to or greater than 1 ⁇ 2 of the thickness t2 of the heat insulating panel 20.
  • FIG. 6 is a cross-sectional view of the heat insulation panel of Modification 1 according to Embodiment 2 of the present invention.
  • the heat insulation panel 20 of the modification 1 in this Embodiment 2 has the same basic configuration as the heat insulation panel 20 according to Embodiment 2, but the vacuum heat insulating material 3 is a foamed phenol foam 15.
  • the foamed phenol foam 15 is used as the foam heat insulating material.
  • a foaming heat insulating material you may use a foaming polypropylene etc., for example.
  • the heat insulation panel of the present invention can maintain heat insulation performance for a long period of time and can reduce the total thickness, it can be used as a building material panel for buildings such as houses, in addition to refrigerators, vending machines, hot water supply containers, It can also be used for applications such as automotive insulation, cold insulation / heat insulation boxes.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Thermal Insulation (AREA)
  • Refrigerator Housings (AREA)
  • Building Environments (AREA)

Abstract

L'invention porte sur un panneau d'isolation, lequel panneau comporte au moins un matériau d'isolation à vide (3) et un matériau d'isolation en mousse. Le matériau de cœur (8) du matériau d'isolation à vide (3) est recouvert par un matériau de revêtement externe (9) et est hermétiquement scellé vis-à-vis du vide. L'épaisseur du matériau d'isolation à vide (3) est d'au moins 1/2 de l'épaisseur du panneau d'isolation. Le matériau d'isolation à vide (3) comprend une section de fixation d'ailette (12) dans laquelle une section d'ailette (11), qui est une section de bord périphérique, est repliée et fixée au côté central du matériau d'isolation à vide (3). La section d'ailette (11) est fixée par un élément adhésif (4) qui est disposé sur la surface interne de la section d'ailette (11).
PCT/JP2014/000670 2013-02-07 2014-02-07 Panneau d'isolation WO2014122939A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2014560688A JPWO2014122939A1 (ja) 2013-02-07 2014-02-07 断熱パネル
CN201480007916.8A CN104995447A (zh) 2013-02-07 2014-02-07 隔热板

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-021889 2013-02-07
JP2013021889 2013-02-07

Publications (1)

Publication Number Publication Date
WO2014122939A1 true WO2014122939A1 (fr) 2014-08-14

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ID=51299538

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/000670 WO2014122939A1 (fr) 2013-02-07 2014-02-07 Panneau d'isolation

Country Status (3)

Country Link
JP (1) JPWO2014122939A1 (fr)
CN (1) CN104995447A (fr)
WO (1) WO2014122939A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107091393A (zh) * 2016-02-18 2017-08-25 株式会社 Kcc 真空绝热材料及其制造方法

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20170047955A (ko) * 2015-10-26 2017-05-08 삼성전자주식회사 진공단열재, 진공단열재의 제조방법 및 진공단열재를 포함하는 냉장고
JP7194899B2 (ja) * 2020-02-28 2022-12-23 パナソニックＩｐマネジメント株式会社 真空断熱体及びこの検査システム

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JP2009281554A (ja) * 2008-05-26 2009-12-03 Panasonic Corp 断熱板および断熱板の製造方法
JP2011106664A (ja) * 2009-10-23 2011-06-02 Panasonic Corp 真空断熱材、および断熱箱体、断熱体
JP2011153721A (ja) * 2010-01-26 2011-08-11 Hitachi Appliances Inc 冷蔵庫

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JP2006090431A (ja) * 2004-09-24 2006-04-06 Matsushita Electric Ind Co Ltd 真空断熱材および真空断熱材の製造方法および真空断熱材を使用した断熱箱体
KR100690895B1 (ko) * 2005-10-18 2007-03-09 엘지전자 주식회사 진공 단열재 및 이를 적용한 냉장고의 단열 구조
JP2009299764A (ja) * 2008-06-12 2009-12-24 Hitachi Appliances Inc 真空断熱材及びこれを用いた断熱容器
WO2011048824A1 (fr) * 2009-10-19 2011-04-28 三菱電機株式会社 Matériau d'isolation par le vide, boîtier d'isolation thermique, réfrigérateur, dispositif de congélation/climatisation, dispositif d'alimentation en eau chaude, appareil, et procédé de fabrication de matériau d'isolation par le vide
JP5513855B2 (ja) * 2009-11-11 2014-06-04 株式会社東芝 冷蔵庫
JP5492685B2 (ja) * 2010-07-06 2014-05-14 日立アプライアンス株式会社 真空断熱材及びそれを用いた冷蔵庫
JP5527073B2 (ja) * 2010-07-16 2014-06-18 富士電機株式会社 真空断熱材
JP2012102894A (ja) * 2010-11-08 2012-05-31 Panasonic Corp 断熱箱体、断熱壁

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JP2009281554A (ja) * 2008-05-26 2009-12-03 Panasonic Corp 断熱板および断熱板の製造方法
JP2011106664A (ja) * 2009-10-23 2011-06-02 Panasonic Corp 真空断熱材、および断熱箱体、断熱体
JP2011153721A (ja) * 2010-01-26 2011-08-11 Hitachi Appliances Inc 冷蔵庫

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107091393A (zh) * 2016-02-18 2017-08-25 株式会社 Kcc 真空绝热材料及其制造方法

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CN104995447A (zh) 2015-10-21

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