JP2021102969A - Heat insulation member - Google Patents

Heat insulation member Download PDF

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JP2021102969A
JP2021102969A JP2019233248A JP2019233248A JP2021102969A JP 2021102969 A JP2021102969 A JP 2021102969A JP 2019233248 A JP2019233248 A JP 2019233248A JP 2019233248 A JP2019233248 A JP 2019233248A JP 2021102969 A JP2021102969 A JP 2021102969A
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airgel
monolithic
flat plate
heat insulating
airgels
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稔則 杉木
Toshinori Sugiki
稔則 杉木
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Aqua KK
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Aqua KK
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Priority to JP2019233248A priority Critical patent/JP2021102969A/en
Priority to PCT/CN2020/136836 priority patent/WO2021129488A1/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B33/00—Silicon; Compounds thereof
    • C01B33/113—Silicon oxides; Hydrates thereof
    • C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
    • C01B33/16—Preparation of silica xerogels
    • 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
    • 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
    • F25D23/10—Arrangements for mounting in particular locations, e.g. for built-in type, for corner type

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Dispersion Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
  • Refrigerator Housings (AREA)
  • Thermal Insulation (AREA)
  • Silicon Compounds (AREA)

Abstract

To provide a heat insulation member that is transparent and resistant to an impact.SOLUTION: A heat insulation member comprises two flat plate-like members 101, 103 which face each other, and a plurality of flat plate-like monolithic aerogels 105 in a substantially square or substantially rectangular plane shape. The plurality of monolithic aerogels 105 are held between the two flat plate-like members 101, 103 and arranged at predetermined intervals, a filled region between adjacent monolithic aerogels 105 is filled with a material including an aerogel, and in plan view, an outer surface side of the flat plate-like member 103 can be viewed from an outer surface side of the flat plate-like member 101 at least in some region where a monolithic aerogel 105 is present.SELECTED DRAWING: Figure 1

Description

本発明は、エアロゲルを用いた断熱部材に関する。 The present invention relates to a heat insulating member using airgel.

冷蔵庫をはじめとする様々な箇所で必要とされる断熱部材の開発が盛んに行われ、その中で、エアロゲルは、断熱部材の芯材として期待される新規な材料である。 The development of heat insulating members required in various places such as refrigerators has been actively carried out, and among them, airgel is a new material expected as a core material for heat insulating members.

モノリス状エアロゲルは、多孔質であり比重が軽い。また、モノリス状エアロゲルは、細孔径が数十ｎｍと小さく、気孔率が数十％を超えると、透明で断熱性に優れたものが得られる。現在、このようなモノリス状エアロゲルは、幅十数ｃｍ角で厚さ数ｍｍのものが得られている。 Monolithic airgel is porous and has a light specific density. Further, when the pore diameter of the monolith-like airgel is as small as several tens of nm and the porosity exceeds several tens of percent, a transparent monolith-like airgel having excellent heat insulating properties can be obtained. At present, such monolithic aerogels have a width of about 10 cm square and a thickness of several mm.

このモノリス状エアロゲルは、数十ｃｍ角の扉などで用いられる場合、複数並べられる必要がある。また、モノリス状エアロゲルは、もろいと言う欠点がある。そこで、特許文献１では、繊維質補強材内に、エアロゲルを組み込んで可撓性複合エアロゲルを作ることを開示している。 When this monolith-shaped airgel is used for a door of several tens of centimeters square, it is necessary to arrange a plurality of them. In addition, monolithic airgel has the drawback of being brittle. Therefore, Patent Document 1 discloses that a flexible composite airgel is produced by incorporating an airgel in a fibrous reinforcing material.

特開２０１７−５０９７４３号公報Japanese Unexamined Patent Publication No. 2017-509743

しかしながら、エアロゲルで断熱しても、この繊維質補強材から熱が伝わってしまい、断熱効果が小さくなってしまっていた。また、補強材で囲ってしまっているため、モノリス状エアロゲルの透明度を生かし切れなかった。 However, even if heat is insulated with airgel, heat is transferred from this fibrous reinforcing material, and the heat insulating effect is reduced. In addition, because it was surrounded by a reinforcing material, the transparency of the monolithic airgel could not be fully utilized.

そこで、本発明は、モノリス状エアロゲルの透明度を生かしつつ、並べたモノリス状エアロゲルの大きさより大きい領域で、モノリス状エアロゲルの断熱性と遜色のない断熱性を備える断熱部材を提供することを課題とする。 Therefore, it is an object of the present invention to provide a heat insulating member having heat insulating properties comparable to those of monolithic airgels in a region larger than the size of the arranged monolithic airgels while making the best use of the transparency of the monolithic airgels. To do.

本発明の断熱部材は、
互いに対向する２つの平板状部材と、
略正方形または略長方形の平面形状を有する平板状の複数のモノリス状エアロゲルと、
を備え、
複数の前記モノリス状エアロゲルは、前記２つの平板状部材に挟持されるとともに、所定の間隔をあけて配置され、
隣接する前記モノリス状エアロゲルの間の被充填領域にエアロゲルを含む材料が充填され、
平面視において、前記モノリス状エアロゲルが存在する少なくとも一部の領域で、一方の前記平板状部材の外面側から他方の前記平板状部材の外面側が視認可能になっていることを特徴とする。 The heat insulating member of the present invention is
Two flat members facing each other,
Multiple flat monolithic airgels with a substantially square or approximately rectangular planar shape,
With
The plurality of monolith-shaped airgels are sandwiched between the two flat plate-shaped members and arranged at predetermined intervals.
The area to be filled between the adjacent monolithic airgels is filled with a material containing the airgels.
In a plan view, the outer surface side of one of the flat plate-shaped members is visible from the outer surface side of the other flat plate-shaped member in at least a part of the region where the monolithic airgel is present.

隣接するモノリス状エアロゲルの間の領域を埋めるエアロゲルを含む材料によって、複数のモノリス状エアロゲルで敷き詰めた断熱材と同じ断熱性を維持することができる。したがって、モノリス状エアロゲルの透明度を生かしつつ、並べたモノリス状エアロゲルの大きさより大きい領域で、モノリス状エアロゲルの断熱性と遜色のない断熱性を備える断熱部材を提供できる。 A material containing aerogels that fills the area between adjacent monolithic airgels can maintain the same thermal insulation properties as a thermal insulator laid with multiple monolithic airgels. Therefore, it is possible to provide a heat insulating member having heat insulating properties comparable to those of the monolithic airgels in a region larger than the size of the arranged monolithic airgels while making the best use of the transparency of the monolithic airgels.

また、本発明は、
遮光部により、平面視において、少なくとも一方の前記平板状部材の外面側から前記被充填領域が視認できなくなっていることを特徴とする。 In addition, the present invention
The light-shielding portion makes it impossible to visually recognize the filled region from the outer surface side of at least one of the flat plate-shaped members in a plan view.

隣接するモノリス状エアロゲルの間の領域は、エアロゲルを含む材料により美観に劣る。そこで、遮光部が、第１の平板状部材及び第２の平板状部材の平面視において、エアロゲルを含む材料に重なる領域、すなわち被充填領域を視認できなくする。 The area between adjacent monolithic airgels is less aesthetically pleasing due to the material containing the airgels. Therefore, the light-shielding portion makes the region overlapping the material containing airgel, that is, the region to be filled, invisible in the plan view of the first flat plate-shaped member and the second flat plate-shaped member.

また、本発明は、
複数の前記モノリス状エアロゲルが前記所定の間隔をあけてマトリックス状に配置され、
少なくとも一方の前記平板状部材が、平面視において、前記被充填領域に対応する格子状に形成された遮光部を有することを特徴とする。 In addition, the present invention
A plurality of the monolithic airgels are arranged in a matrix at the predetermined intervals.
At least one of the flat plate-shaped members is characterized by having a light-shielding portion formed in a grid pattern corresponding to the filled region in a plan view.

正方形または長方形のモノリス状エアロゲルがマトリックス状に配置されると、その間の領域は格子状になる。したがって、被充填領域に対応した格子状の遮光部が形成されると、被充填領域が視認できなくなる。 When square or rectangular monolithic airgels are arranged in a matrix, the areas between them become a grid. Therefore, if a grid-like light-shielding portion corresponding to the to-filled area is formed, the to-filled area becomes invisible.

また、本発明は、
前記エアロゲルを含む材料が、充填時において、パウダー状、グラニュール状、スラリー状、ペースト状またはゼリー状であることを特徴とする。 In addition, the present invention
The material containing the airgel is characterized in that it is in the form of powder, granule, slurry, paste or jelly at the time of filling.

エアロゲルを含む材料が、パウダー状、グラニュール状、スラリー状、ペースト状またはゼリー状であることで、隙間なく隣接するモノリス状エアロゲルの間を埋めることができ、そのため断熱性が上がる。また、その間の領域を埋めるエアロゲルを含む材料がスラリー状、ペースト状またはゼリー状であることで、エアロゲルを含む材料に囲われているモノリス状エアロゲルは衝撃に強くなる。 When the material containing the airgel is in the form of powder, granule, slurry, paste or jelly, it is possible to fill the space between adjacent monolithic airgels without gaps, and thus the heat insulating property is improved. Further, since the material containing the airgel that fills the area between them is in the form of a slurry, a paste, or a jelly, the monolith-like airgel surrounded by the material containing the airgel becomes strong against impact.

また、本発明は、
前記エアロゲルを含む材料がエアロゲルを含有させたコーティング剤であることを特徴とする。 In addition, the present invention
The material containing the airgel is a coating agent containing the airgel.

エアロゲルを含む材料が、エアロゲルを含有させたコーティング剤であることで、エアロゲルを含む材料の接着性を上げ、エアロゲルを含む材料の強度を上げることができる。 When the material containing airgel is a coating agent containing airgel, the adhesiveness of the material containing airgel can be increased and the strength of the material containing airgel can be increased.

本発明により、モノリス状エアロゲルの透明度を生かしつつ、並べたモノリス状エアロゲルの大きさより大きい領域で、モノリス状エアロゲルの断熱性と遜色のない断熱性を備える断熱部材を提供できる。 INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a heat insulating member having heat insulating properties comparable to those of monolithic airgels in a region larger than the size of the arranged monolithic airgels while making the best use of the transparency of the monolithic airgels.

本発明の実施の形態に係る断熱部材を用いた扉の一部概観斜視図である。It is a partial overview perspective view of the door using the heat insulating member which concerns on embodiment of this invention. 本発明の実施形態に係る断熱部材の一部分解斜視図である。It is a partially disassembled perspective view of the heat insulating member which concerns on embodiment of this invention. 本発明の実施形態に係る遮光部を用いた断熱部材の一部分解斜視図である。It is a partially disassembled perspective view of the heat insulating member using the light-shielding portion which concerns on embodiment of this invention. 本発明の実施形態に係る化粧板で挟んだ断熱部材の断面図である。It is sectional drawing of the heat insulating member sandwiched by the decorative board which concerns on embodiment of this invention. 本発明の実施形態に係る断熱部材を用いた冷蔵庫の概略正面図である。It is a schematic front view of the refrigerator using the heat insulating member which concerns on embodiment of this invention.

以下、本発明を実施するための様々な実施の形態を、図面を参照して説明する。要点の説明または理解の容易性を考慮して、異なる図面で便宜上符号を同一にして示す。 Hereinafter, various embodiments for carrying out the present invention will be described with reference to the drawings. In consideration of the explanation of the main points or the ease of understanding, different drawings are shown with the same reference numerals for convenience.

（断熱部材を用いた扉の説明）
図１は、本発明の実施の形態に係る断熱部材を用いた扉の一部概観斜視図である。図２は、本発明の実施形態に係る断熱部材の一部分解斜視図である。図１及び図２を参照しながら、本発明の断熱部材を用いた扉を説明する。 (Explanation of doors using heat insulating members)
FIG. 1 is a partial perspective perspective view of a door using a heat insulating member according to an embodiment of the present invention. FIG. 2 is a partially exploded perspective view of the heat insulating member according to the embodiment of the present invention. A door using the heat insulating member of the present invention will be described with reference to FIGS. 1 and 2.

図１に示すように、扉の中に例えばガラスなど互いに対向する透光性を有する２つの平板状部材、第１の平板状部材１０１及び第２の平板状部材１０３が配置される。第１の平板状部材１０１及び第２の平板状部材１０３の間に第１の平板状部材１０１及び第２の平板状部材１０３と平行に複数のモノリス状エアロゲル１０５が並べて挟持されている。 As shown in FIG. 1, two flat plate-like members having translucency facing each other, such as glass, a first flat plate-like member 101 and a second flat plate-like member 103 are arranged in the door. A plurality of monolith-shaped airgels 105 are sandwiched side by side between the first flat plate-shaped member 101 and the second flat plate-shaped member 103 in parallel with the first flat plate-shaped member 101 and the second flat plate-shaped member 103.

モノリス状エアロゲル１０５は、略正方形または略長方形の平面形状を有する平板状である。正方形または長方形にすることで、複数のモノリス状エアロゲル１０５を並べることが容易である。また、モノリス状エアロゲル１０５は、正方形または長方形の代わりに、正六角形などの多角形、円形、楕円形、星形などにすることができる。このような形状にすることで、扉の装飾性を上げることができる。 The monolithic airgel 105 is a flat plate having a substantially square or substantially rectangular planar shape. By making it square or rectangular, it is easy to arrange a plurality of monolithic airgels 105. Further, the monolith-shaped airgel 105 can be a polygon such as a regular hexagon, a circle, an ellipse, a star, or the like instead of a square or a rectangle. With such a shape, the decorativeness of the door can be improved.

モノリス状エアロゲル１０５は、例えば平均細孔が４０ｎｍ以下で、気孔率が８０％を超えるものであると透明なものになる。また、モノリス状エアロゲル１０５は、１辺約１５ｃｍ〜２０ｃｍの正方形で、５ｍｍ程度の厚さであることができる。この大きさは例示であり、モノリス状エアロゲル１０５は、さらに大きくてもよい。 The monolithic airgel 105 becomes transparent when, for example, the average pore size is 40 nm or less and the porosity exceeds 80%. Further, the monolith-shaped airgel 105 is a square having a side of about 15 cm to 20 cm and can have a thickness of about 5 mm. This size is an example, and the monolithic airgel 105 may be even larger.

第１の平板状部材１０１及び第２の平板状部材１０３は、さらに筐体１０７に包まれて扉を構成している。筐体１０７は、プラスチック等の透明材料で作られることが好ましい。 The first flat plate-shaped member 101 and the second flat plate-shaped member 103 are further wrapped in a housing 107 to form a door. The housing 107 is preferably made of a transparent material such as plastic.

図２に示すように、モノリス状エアロゲル１０５は、例えば冷蔵庫の扉ほど大きくないため、複数のモノリス状エアロゲル１０５が、一方の第１の平板状部材１０１に載置される。モノリス状エアロゲル１０５は、もろいため、隙間なく並べると衝撃に弱い。 As shown in FIG. 2, since the monolith-shaped airgel 105 is not as large as the door of a refrigerator, for example, a plurality of monolith-shaped airgels 105 are placed on one of the first flat plate-shaped members 101. Since the monolith-shaped airgel 105 is fragile, it is vulnerable to impact when arranged without gaps.

そこで、複数のモノリス状エアロゲル１０５は、領域１０９を有するように並べられる。図示しないが、隣接するモノリス状エアロゲル１０５の間の領域１０９が、エアロゲルを含む材料で充填されることによって、衝撃に強く、並べたモノリス状エアロゲル１０５の大きさより大きい領域で、モノリス状エアロゲル１０５の断熱性と遜色のない断熱性を備える断熱部材を提供できる。 Therefore, the plurality of monolithic airgels 105 are arranged so as to have a region 109. Although not shown, the region 109 between adjacent monolithic airgels 105 is impact resistant by being filled with a material containing the airgel, and is larger than the size of the arranged monolithic airgels 105. It is possible to provide a heat insulating member having heat insulating properties comparable to those of heat insulating properties.

また、モノリス状エアロゲル１０５の透明度を生かし、平面視において、モノリス状エアロゲル１０５が存在する少なくとも一部の領域で、一方の平板状部材の外面側から他方の平板状部材の外面側が視認可能になっている。 Further, by utilizing the transparency of the monolith-shaped airgel 105, in a plan view, the outer surface side of one flat plate-shaped member can be visually recognized from the outer surface side of the other flat plate-shaped member in at least a part of the region where the monolith-shaped airgel 105 exists. ing.

エアロゲルを含む材料が、直接、モノリス状エアロゲル１０５に接触することができることで、複数のモノリス状エアロゲル１０５で敷き詰めた断熱材と同じ断熱性を維持することができる。また、これにより、モノリス状エアロゲル１０５の透明度を生かしつつ、並べたモノリス状エアロゲル１０５の大きさより大きい領域で、モノリス状エアロゲル１０５の断熱性と遜色のない断熱性を備える断熱部材を提供できる。 Since the material containing the airgel can directly contact the monolith-like aerogel 105, the same heat insulating property as the heat insulating material spread by the plurality of monolith-like aerogels 105 can be maintained. Further, this makes it possible to provide a heat insulating member having heat insulating properties comparable to those of the monolithic airgel 105 in a region larger than the size of the arranged monolithic airgel 105 while making the best use of the transparency of the monolithic airgel 105.

また、扉の構成部品が、透明材料で作られることにより、モノリス状エアロゲル１０５が存在する少なくとも一部の領域で、一方の扉の外面側から他方の扉の外面側が視認可能にできる。 Further, since the component parts of the door are made of a transparent material, the outer surface side of one door can be visually recognized from the outer surface side of the other door in at least a part of the region where the monolithic airgel 105 exists.

（化粧板を用いた断熱部材の説明）
図３は、本発明の実施形態に係る断熱部材の一部分解斜視図である。図３を参照しながら、本発明の断熱部材を用いた好ましい実施形態を説明する。 (Explanation of heat insulating member using decorative board)
FIG. 3 is a partially exploded perspective view of the heat insulating member according to the embodiment of the present invention. A preferred embodiment using the heat insulating member of the present invention will be described with reference to FIG.

図３に示すように、モノリス状エアロゲル１０５が化粧板１１１に配置され、これが第１の平板状部材１０１に配置されることが好ましい。本発明のモノリス状エアロゲル１０５の間の領域１０９は、エアロゲルを含む材料により美観に劣る。そこで、化粧板１１１からなる遮光部が第１の平板状部材１０１に配置されることで、少なくとも一方の、ここでは第１の平板状部材１０１の外面側からエアロゲルを含む材料の被充填領域は、視認できなくなる。 As shown in FIG. 3, it is preferable that the monolith-shaped airgel 105 is arranged on the decorative plate 111, and this is arranged on the first flat plate-shaped member 101. The region 109 between the monolithic airgels 105 of the present invention is unattractive due to the material containing the airgels. Therefore, by arranging the light-shielding portion made of the decorative plate 111 on the first flat plate-shaped member 101, at least one of the areas to be filled with the material containing airgel from the outer surface side of the first flat plate-shaped member 101 can be set. , Become invisible.

図３に示すように、複数の正方形または長方形のモノリス状エアロゲル１０５が、所定の間隔を空けてマトリックス状に配置されたとき、被充填領域は格子状になる。したがって、格子状の化粧板１１１からなる遮光部が、エアロゲルを含む材料と重ねて配置されることで、被充填領域は視認できなくなる。 As shown in FIG. 3, when a plurality of square or rectangular monolithic airgels 105 are arranged in a matrix at predetermined intervals, the filled area becomes a grid pattern. Therefore, the light-shielding portion made of the lattice-shaped decorative plate 111 is arranged so as to overlap with the material containing airgel, so that the filled area becomes invisible.

ここで化粧板１１１は装飾されることが好ましい。装飾された化粧板１１１が用いられると、第１の平板状部材１０１側から見たとき、化粧板１１１が表に出るため全体の美観を増す。 Here, the decorative board 111 is preferably decorated. When the decorated decorative plate 111 is used, the decorative plate 111 is exposed when viewed from the side of the first flat plate member 101, which enhances the overall aesthetic appearance.

（その他の被充填領域を隠す形態）
図４は、本発明の実施形態に係る化粧板で挟んだ断熱部材の断面図である。図４に示すように、モノリス状エアロゲル１０５は、化粧板１１１に挟まれてもよい。化粧板１１１は格子状であるため、その窓１１２からモノリス状エアロゲル１０５が出ている。断熱部材は、この状態で筐体１０７に収められてもよいし、さらに第1の平板状部材１０１と、第２の平板状部材１０３に挟まれて筐体１０７に収められてもよい。 (A form that hides other areas to be filled)
FIG. 4 is a cross-sectional view of a heat insulating member sandwiched between decorative boards according to an embodiment of the present invention. As shown in FIG. 4, the monolithic airgel 105 may be sandwiched between the decorative plates 111. Since the decorative board 111 has a lattice shape, the monolith-shaped airgel 105 comes out from the window 112. The heat insulating member may be housed in the housing 107 in this state, or may be further sandwiched between the first flat plate-shaped member 101 and the second flat plate-shaped member 103 and housed in the housing 107.

また、透光性を有する第１の平板状部材１０１と第２の平板状部材１０３の両方または一方が、例えば着色されるなど、化粧板１１１以外の遮光部を有していてもよい。 Further, both or one of the light-transmitting first flat plate-shaped member 101 and the second flat plate-shaped member 103 may have a light-shielding portion other than the decorative plate 111, for example, colored.

（エアロゲルを含む材料の説明）
エアロゲルを含む材料は、シリカエアロゲル、カーボンエアロゲル、アルミナエアロゲル、ジルコニアエアロゲル、セリアエアロゲル、チタニアエアロゲルなどを用いることができる。 (Explanation of materials containing airgel)
As the material containing aerogel, silica aerogel, carbon aerogel, alumina aerogel, zirconia aerogel, ceria aerogel, titania aerogel and the like can be used.

エアロゲルを含む材料は、充填時において、パウダー状、グラニュール状、スラリー状、ペースト状またはゼリー状であることが好ましい。充填時にこのような形態であることで、隙間なくモノリス状エアロゲル１０５の間が埋められ、断熱性が上がる。 The material containing airgel is preferably in the form of powder, granule, slurry, paste or jelly at the time of filling. With such a form at the time of filling, the space between the monolith-like airgel 105 is filled without gaps, and the heat insulating property is improved.

また、エアロゲルを含む材料のエアロゲルも、衝撃に弱くもろいという性質を有する。そこで、エアロゲルが、ゲルまたはジェルなどのゼリー状の固体に含有される、または粘度のある液体に含有されてスラリー状、ペースト状にされることで、衝撃に強くすることができる。 In addition, airgel, which is a material containing airgel, also has the property of being vulnerable to impact and brittle. Therefore, the airgel can be made strong against impact by being contained in a jelly-like solid such as gel or gel, or by being contained in a viscous liquid to form a slurry or paste.

このようなゲルまたはジェル、または粘度のある液体が、領域１０９に充填され、モノリス状エアロゲル１０５を囲うことで、モノリス状エアロゲル１０５の耐衝撃性を上げることができる。特に断熱部材が、開閉される扉など衝撃が加わるものに用いられるとき効果がある。 By filling the region 109 with such a gel or gel, or a viscous liquid, and surrounding the monolithic airgel 105, the impact resistance of the monolithic airgel 105 can be increased. This is particularly effective when the heat insulating member is used for a door that opens and closes and is subject to impact.

また、エアロゲルを含む材料は、エアロゲルをアクリル樹脂、シリコーン樹脂、フェノール樹脂、ユリア樹脂、メラミン樹脂、エポキシ樹脂、ポリウレタン樹脂、またはポリテトラフルオロエチレン、フッ素化エチレンコポリマー、ポリフルオロアルコキシポリテトラフルオロエチレンなどのフルオロプラスチックなどでコーティングしたものにできる。エアロゲルがコーティングされることで、エアロゲルの強度を上げることができる。 As for the material containing aerogel, the aerogel is acrylic resin, silicone resin, phenol resin, urea resin, melamine resin, epoxy resin, polyurethane resin, polytetrafluoroethylene, fluorinated ethylene copolymer, polyfluoroalkoxypolytetrafluoroethylene, etc. It can be coated with fluoroplastic or the like. By coating the airgel, the strength of the airgel can be increased.

特に、アクリル樹脂でコーティングすると、エアロゲルを含む材料の接着力を上げ、エアロゲルを含む材料の強度を増加できるので好ましい。 In particular, coating with an acrylic resin is preferable because it can increase the adhesive strength of the material containing airgel and increase the strength of the material containing airgel.

（本発明の断熱部材を用いた冷蔵庫の説明）
図５は、本発明の実施形態に係る断熱部材を用いた冷蔵庫の概略正面図である。図５を参照しながら、本発明の実施形態に係る断熱部材を用いた冷蔵庫を説明する。 (Explanation of Refrigerator Using Insulation Member of the Present Invention)
FIG. 5 is a schematic front view of a refrigerator using the heat insulating member according to the embodiment of the present invention. A refrigerator using the heat insulating member according to the embodiment of the present invention will be described with reference to FIG.

図５に示すように、本発明の断熱部材は、冷蔵庫１１３の扉１１５に用いられる。複数のモノリス状エアロゲル１０５が領域１０９を空けて並べられる。エアロゲルを含む材料が、その領域１０９に充填される。モノリス状エアロゲル１０５の間の領域１０９は、化粧板１１１で装飾されてもよい。 As shown in FIG. 5, the heat insulating member of the present invention is used for the door 115 of the refrigerator 113. A plurality of monolithic airgels 105 are arranged with a region 109 open. The area 109 is filled with a material containing airgel. The region 109 between the monolithic airgel 105 may be decorated with a veneer 111.

このようにすることで、冷蔵庫１１３の扉１１５の断熱性を維持しつつ、冷蔵庫１１３の扉１１５を透明で衝撃に強くすることができる。 By doing so, the door 115 of the refrigerator 113 can be made transparent and strong against impact while maintaining the heat insulating property of the door 115 of the refrigerator 113.

モノリス状エアロゲル１０５は、冷蔵庫１１３の側面に配置されてもよい。複数のモノリス状エアロゲル１０５が、扉１１５と同様に内箱１１７と外箱１１９の間に隙間を空けて配置されることで、透明な冷蔵庫１１３が提供される。 The monolithic airgel 105 may be arranged on the side surface of the refrigerator 113. A transparent refrigerator 113 is provided by arranging a plurality of monolith-shaped airgels 105 with a gap between the inner box 117 and the outer box 119, similarly to the door 115.

また、隣接するモノリス状エアロゲル１０５の間の領域１０９は、エアロゲルを含む材料で充填される。このエアロゲルを含む材料で充填された領域は、化粧板１１１により遮光される。 Further, the region 109 between the adjacent monolithic airgel 105 is filled with a material containing the airgel. The area filled with the material containing the airgel is shielded by the decorative plate 111.

本発明により、機械室１２１や、蒸発器など冷蔵庫の一部は透明にすることはできないが、正面または側面から見たときに透明な部分を有する美観を増した冷蔵庫１１３を提供することができる。 INDUSTRIAL APPLICABILITY According to the present invention, it is not possible to make a part of the refrigerator such as the machine room 121 and the evaporator transparent, but it is possible to provide the refrigerator 113 having a transparent part when viewed from the front or the side surface, which is more aesthetically pleasing. ..

以上のように、本発明により、モノリス状エアロゲル１０５の透明度を生かしつつ、並べたモノリス状エアロゲル１０５の大きさより大きい領域で、モノリス状エアロゲル１０５の断熱性と遜色のない断熱性を備える断熱部材を提供できる。 As described above, according to the present invention, a heat insulating member having heat insulating properties comparable to those of the monolithic airgel 105 in a region larger than the size of the arranged monolithic airgel 105 while making the best use of the transparency of the monolithic airgel 105. Can be provided.

また、隣接するモノリス状エアロゲル１０５の間の領域１０９は、エアロゲルを含む材料により美観に劣る。そこで、遮光部により、第１の平板状部材１０１及び第２の平板状部材１０３の平面視において、エアロゲルを含む材料に重なる領域、すなわち被充填領域を視認できなくする。 Further, the region 109 between the adjacent monolithic airgels 105 is inferior in aesthetics due to the material containing the airgels. Therefore, the light-shielding portion makes it impossible to visually recognize the region overlapping the material containing airgel, that is, the region to be filled, in the plan view of the first flat plate-shaped member 101 and the second flat plate-shaped member 103.

また、正方形または長方形のモノリス状エアロゲル１０５がマトリックス状に配置されると、その間の領域１０９は格子状になる。したがって、被充填領域に対応した格子状の遮光部が形成されると、被充填領域は視認できなくなる。 Further, when the square or rectangular monolithic airgel 105 is arranged in a matrix, the regions 109 between them are arranged in a grid pattern. Therefore, if a grid-like light-shielding portion corresponding to the to-filled region is formed, the to-filled region becomes invisible.

また、エアロゲルを含む材料が、パウダー状、グラニュール状、スラリー状、ペースト状またはゼリー状であることで、隙間なく隣接するモノリス状エアロゲル１０５の間の領域１０９を埋めることができ、そのため断熱性を上げることができる。また、エアロゲルを含む材料がスラリー状、ペースト状またはゼリー状であることで、エアロゲルを含む材料に囲われているモノリス状エアロゲル１０５を、衝撃に強くすることができる。 Further, since the material containing the airgel is in the form of powder, granule, slurry, paste or jelly, it is possible to fill the region 109 between the adjacent monolithic airgels 105 without gaps, and therefore heat insulating property. Can be raised. Further, when the material containing airgel is in the form of slurry, paste or jelly, the monolithic airgel 105 surrounded by the material containing airgel can be made strong against impact.

また、エアロゲルを含む材料が、エアロゲルを含有させたコーティング剤であることで、エアロゲルを含む材料の接着性を上げ、エアロゲルを含む材料の強度を上げることができる。 Further, when the material containing airgel is a coating agent containing airgel, the adhesiveness of the material containing airgel can be increased and the strength of the material containing airgel can be increased.

また、本発明の断熱部材を用いた冷蔵庫１１３は、衝撃に強く、断熱性がよい。また、本発明の冷蔵庫１１３は、一部が透明で、一部に化粧板１１１が表示されることにより美観を増す。 Further, the refrigerator 113 using the heat insulating member of the present invention is strong against impact and has good heat insulating properties. Further, the refrigerator 113 of the present invention is partially transparent, and the decorative plate 111 is partially displayed to enhance the aesthetic appearance.

上述の実施形態の説明は、すべての点で例示であって、制限的なものではない。当業者にとって変形および変更が適宜可能である。本発明の範囲は、上述の実施形態ではなく、特許請求の範囲によって示される。さらに、本発明の範囲には、特許請求の範囲内と均等の範囲内での実施形態からの変更が含まれる。 The description of the embodiments described above is exemplary in all respects and is not restrictive. Modifications and changes can be made as appropriate for those skilled in the art. The scope of the present invention is shown not by the above-described embodiment but by the scope of claims. Further, the scope of the present invention includes modifications from the embodiment within the scope of the claims and within the scope of the claims.

本発明は、断熱性が必要な扉に用いることができる。特に、断熱性及び耐衝撃性が必要な冷蔵庫の扉に用いることができる。 The present invention can be used for doors that require heat insulation. In particular, it can be used for refrigerator doors that require heat insulation and impact resistance.

１０１ 第１の平板状部材
１０３ 第２の平板状部材
１０５ モノリス状エアロゲル
１０７ 筐体
１０９ 領域
１１１ 化粧板
１１２ 窓
１１３ 冷蔵庫
１１５ 扉
１１７ 内箱
１１９ 外箱
１２１ 機械室 101 First flat plate member 103 Second flat plate member 105 Monolith-shaped airgel 107 Housing 109 Area 111 Decorative plate 112 Window 113 Refrigerator 115 Door 117 Inner box 119 Outer box 121 Machine room

Claims (5)

互いに対向する２つの平板状部材と、
略正方形または略長方形の平面形状を有する平板状の複数のモノリス状エアロゲルと、
を備え、
複数の前記モノリス状エアロゲルは、前記２つの平板状部材に挟持されるとともに、所定の間隔をあけて配置され、
隣接する前記モノリス状エアロゲルの間の被充填領域にエアロゲルを含む材料が充填され、
平面視において、前記モノリス状エアロゲルが存在する少なくとも一部の領域で、一方の前記平板状部材の外面側から他方の前記平板状部材の外面側が視認可能になっている、断熱部材。 Two flat members facing each other,
Multiple flat monolithic airgels with a substantially square or approximately rectangular planar shape,
With
The plurality of monolith-shaped airgels are sandwiched between the two flat plate-shaped members and arranged at predetermined intervals.
The area to be filled between the adjacent monolithic airgels is filled with a material containing the airgels.
A heat insulating member in which, in a plan view, the outer surface side of one of the flat plate-shaped members is visible from the outer surface side of the other flat plate-shaped member in at least a part of the region where the monolithic airgel is present. 遮光部により、平面視において、少なくとも一方の前記平板状部材の外面側から前記被充填領域が視認できなくなっている、請求項１に記載の断熱部材。 The heat insulating member according to claim 1, wherein the filled region cannot be visually recognized from the outer surface side of at least one of the flat plate-shaped members in a plan view due to the light-shielding portion. 複数の前記モノリス状エアロゲルが前記所定の間隔をあけてマトリックス状に配置され、
少なくとも一方の前記平板状部材が、平面視において、前記被充填領域に対応する格子状に形成された遮光部を有する、請求項２に記載の断熱部材。 A plurality of the monolithic airgels are arranged in a matrix at the predetermined intervals.
The heat insulating member according to claim 2, wherein at least one of the flat plate-shaped members has a light-shielding portion formed in a grid pattern corresponding to the filled region in a plan view. 前記エアロゲルを含む材料が、充填時において、パウダー状、グラニュール状、スラリー状、ペースト状またはゼリー状である、請求項１乃至３のいずれか１項に記載の断熱部材。 The heat insulating member according to any one of claims 1 to 3, wherein the material containing the airgel is in the form of powder, granule, slurry, paste or jelly at the time of filling. 前記エアロゲルを含む材料がエアロゲルを含有させたコーティング剤である、請求項１乃至４のいずれか１項に記載の断熱部材。 The heat insulating member according to any one of claims 1 to 4, wherein the material containing airgel is a coating agent containing airgel.
JP2019233248A 2019-12-24 2019-12-24 Heat insulation member Pending JP2021102969A (en)

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