JP4380607B2 - Thermal insulation panel - Google Patents

Thermal insulation panel Download PDF

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JP4380607B2
JP4380607B2 JP2005243422A JP2005243422A JP4380607B2 JP 4380607 B2 JP4380607 B2 JP 4380607B2 JP 2005243422 A JP2005243422 A JP 2005243422A JP 2005243422 A JP2005243422 A JP 2005243422A JP 4380607 B2 JP4380607 B2 JP 4380607B2
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heat insulating
insulating material
vacuum heat
vacuum
panel
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JP2007056547A (en
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亨 堂垣内
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Nitto Boseki Co Ltd
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    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/24Structural elements or technologies for improving thermal insulation
    • Y02A30/242Slab shaped vacuum insulation
    • 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
    • Y02B80/00Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10Insulation, e.g. vacuum or aerogel insulation

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Description

本発明は断熱パネルに関し、特に、施工に当たって、釘やビスなどで固定するとか、寸法を合わせるために切断加工することが通常に行われる建築物用断熱材として用いるのに好適な断熱パネルに関する。   The present invention relates to a heat insulating panel, and more particularly to a heat insulating panel suitable for use as a building heat insulating material that is usually fixed by a nail or a screw or cut to match the dimensions in construction.

従来、無機繊維成形材や樹脂発泡体などが多様の分野に断熱材として用いられている。近年、断熱性能の向上のため、これらの断熱材を樹脂フィルムやアルミ箔などからなるガスバリア性フィルムで密閉し、更に密閉した内部を減圧した真空断熱材が、主に冷蔵庫用として普及してきている。   Conventionally, inorganic fiber molding materials, resin foams, and the like have been used as heat insulating materials in various fields. In recent years, in order to improve the heat insulation performance, vacuum heat insulating materials in which these heat insulating materials are sealed with a gas barrier film made of a resin film, aluminum foil or the like, and the sealed interior is decompressed, are mainly used for refrigerators. .

真空断熱材は真空による断熱を有効に利用したことで優れた断熱効果を発揮するが、何らかの理由でガスバリア性フィルムに傷がつき、貫通孔が開くと、内部の減圧状態が維持されず、その結果真空による断熱効果が発揮できなくなる。そのため、釘やビスなどで固定するとか、寸法を合わせるために切断加工することが通常に行われる建築物用断熱材として使用することは難しい。   Vacuum insulation material exhibits excellent heat insulation effect by effectively using heat insulation by vacuum, but if the gas barrier film is damaged for some reason and the through hole is opened, the internal reduced pressure state is not maintained, As a result, the heat insulation effect due to vacuum cannot be exhibited. Therefore, it is difficult to use as a heat insulating material for a building which is usually fixed by a nail or a screw, or cut to match the dimensions.

そこで、真空断熱材を建築物用断熱材として使用するために、真空断熱材を樹脂発泡体で覆って保護した構成の断熱パネル(特開平10−219866号公報参照)や、真空断熱材を樹脂発泡体の枠体に埋め込んで保護すると共に、表面に真空断熱材の埋設位置を示す表示を設けたり、樹脂発泡体の部分を釘打ちや切断箇所として表示した断熱パネル(特開2000−248653号公報参照)が開発されている。
特開平10−219866号公報 特開2000−248653号公報
Therefore, in order to use the vacuum heat insulating material as a heat insulating material for buildings, a heat insulating panel (see Japanese Patent Laid-Open No. 10-211986) in which the vacuum heat insulating material is covered and protected by a resin foam, or a vacuum heat insulating material is used as a resin. Insulation panel (Japanese Patent Laid-Open No. 2000-248653) which protects by embedding in a foam frame and providing a display indicating the position of the vacuum heat insulating material on the surface, or displaying a portion of the resin foam as nailing or cutting. Has been developed).
Japanese Patent Laid-Open No. 10-211986 JP 2000-248653 A

しかしながら、これらの断熱パネルは、真空断熱材を、それよりも断熱性能の劣る樹脂発泡体と組み合わせていることから、断熱性能を十分には向上させることができないという問題があった。また、樹脂発泡体内に比較的大きい真空断熱材を埋め込んでおり、この真空断熱材の破断は断熱性能の大きい低下につながることから、釘打ちや切断加工はこれらの真空断熱材を避けて行う必要があり、釘打ちや切断加工の位置選定に対する自由度が低いという問題もあった。   However, these heat insulation panels have a problem that the heat insulation performance cannot be sufficiently improved because the vacuum heat insulating material is combined with a resin foam having a heat insulation performance inferior to that. In addition, a relatively large vacuum insulation material is embedded in the resin foam, and the breakage of this vacuum insulation material leads to a large decrease in insulation performance, so nailing and cutting must be performed avoiding these vacuum insulation materials There is also a problem that the degree of freedom in selecting a position for nailing and cutting is low.

本発明は係る問題点に鑑みてなされたもので、真空断熱材の断熱性能を十分に発揮させることができると共に、例え、真空断熱材の一部に釘打ちや切断加工を行っても断熱パネル全体としての断熱性能の劣化を小さく抑制でき、釘打ちや切断加工の位置選定の自由度を高くすることの可能な断熱パネルを提供すること及びそのパネルの製造方法を提供することを課題とする。   The present invention has been made in view of such problems, and can sufficiently exhibit the heat insulating performance of the vacuum heat insulating material. For example, even if a part of the vacuum heat insulating material is nailed or cut, the heat insulating panel is provided. It is an object of the present invention to provide a heat insulation panel that can suppress deterioration of heat insulation performance as a whole and can increase the degree of freedom of position selection for nailing and cutting, and to provide a method for manufacturing the panel. .

上記課題を解決するため、本願請求項1に係る発明の断熱パネルは、平坦な基部フィルム上の複数箇所に、断熱材とそれを覆うカバーフィルムを配し、各断熱材を配した領域を減圧すると共にその周縁でカバーフィルムを基部フィルムに固着した構造の一定高さの真空断熱部を備えた第一真空断熱材と、平坦な基部フィルム上の複数箇所に、断熱材とそれを覆うカバーフィルムを配し、各断熱材を配した領域を減圧すると共にその周縁でカバーフィルムを基部フィルムに固着した構造の一定高さの真空断熱部を備えると共にその真空断熱部の配置及び形状、寸法を、該真空断熱部が前記第一真空断熱材に形成している複数の真空断熱材の間の凹部に嵌め込まれ得るように設定した第二真空断熱材とを向かい合わせ、第一真空断熱材の真空断熱部の間に第二真空断熱材の真空断熱部を嵌め込む形態に組み合わせ、第一真空断熱材と第二真空断熱材とを互いに固定してパネル形態としたものである。すなわち、本発明の断熱パネルは、多数の独立した真空断熱部を密に配置した構造とし、例え一部の真空断熱部が釘打ちや切断加工等によって破れても他の真空断熱部には影響せず、このため断熱パネル全体としての断熱性能の劣化を小さく抑制できる構成としたものである。更に、本発明は上記構成の断熱パネルにおいて、前記第一真空断熱材及び第二真空断熱材に設けられている複数の真空断熱部は、面積の異なるものを有しており、面積の異なる複数の真空断熱部のうち、小面積の真空断熱部の面積を、10〜400cm 2 としたことも特徴とする。 In order to solve the above-mentioned problem, the heat insulation panel of the invention according to claim 1 of the present invention is arranged such that a heat insulating material and a cover film covering the heat insulating material are arranged at a plurality of locations on the flat base film, and the region where each heat insulating material is arranged is decompressed. In addition, a first vacuum heat insulating material having a vacuum heat insulating portion having a fixed height with a cover film fixed to the base film at the periphery thereof, and a heat insulating material and a cover film covering the heat insulating material at a plurality of locations on the flat base film The area where each heat insulating material is arranged is depressurized and a vacuum heat insulating part of a certain height is provided with a cover film fixed to the base film at the periphery, and the arrangement, shape and dimensions of the vacuum heat insulating part are The vacuum heat insulating part faces the second vacuum heat insulating material set so as to be fitted in the recesses between the plurality of vacuum heat insulating materials formed in the first vacuum heat insulating material, and the vacuum of the first vacuum heat insulating material Thermal insulation Combination form fitting the second vacuum insulation of the vacuum thermal insulating material between the, in which the panel forms a first vacuum heat insulating material and a second vacuum heat insulating material secured together. That is, the heat insulation panel of the present invention has a structure in which a large number of independent vacuum heat insulation portions are closely arranged, and even if some vacuum heat insulation portions are torn by nailing or cutting, other vacuum heat insulation portions are affected. For this reason, it is set as the structure which can suppress deterioration of the heat insulation performance as the whole heat insulation panel small. Furthermore, in the heat insulating panel having the above-described configuration, the plurality of vacuum heat insulating portions provided in the first vacuum heat insulating material and the second vacuum heat insulating material have different areas, and the plurality of vacuum heat insulating parts have different areas. Among the vacuum heat insulating parts, the area of the vacuum heat insulating part having a small area is set to 10 to 400 cm 2 .

請求項に係る発明は、前記した請求項1に係る発明の断熱パネルにおいて、前記第二真空断熱材を、前記第一真空断熱材の異なる領域にそれぞれ取り付けた複数のセグメントで構成したものである。 The invention according to claim 2 is the heat insulation panel of the invention according to claim 1 described above, wherein the second vacuum heat insulating material is constituted by a plurality of segments respectively attached to different regions of the first vacuum heat insulating material. is there.

本発明の断熱パネルは、パネルのほぼ全面に多数の独立した真空断熱部が密に配置された構造であるため、パネルのほぼ全域が真空断熱材として作用し、優れた断熱性能を発揮する。また、この断熱パネルに対して釘打ちや切断加工等を施す場合、小面積の真空断熱部が配置されている領域に釘打ちや切断加工等を施すことにより、例えその領域の真空断熱部が破れても、小面積の真空断熱部の断熱性能が低下するのみで、他の真空断熱部には影響せず、このため断熱パネル全体としての断熱性能の劣化を小さく抑制でき、しかも、面積の大きい真空断熱部も配置したことで一つのパネルに形成する真空断熱部の個数を少なくでき、製造コストを下げることができる。このため、この断熱パネルは建築物用断熱材として好適に使用できる。更に、第二真空断熱材を複数のセグメントで構成し、第一真空断熱材の必要な領域のみを覆う構成することもでき、これによっても、製造コストを下げることができる。 Since the heat insulating panel of the present invention has a structure in which a large number of independent vacuum heat insulating portions are densely arranged on almost the entire surface of the panel, almost the entire area of the panel acts as a vacuum heat insulating material and exhibits excellent heat insulating performance. In addition, when nailing or cutting processing is performed on the heat insulation panel, by performing nail processing or cutting processing on the area where the vacuum heat insulating portion having a small area is disposed, the vacuum heat insulating portion in the area is provided. be torn, only the heat insulating performance is lowered in the vacuum heat insulating portion having a small area, without affecting the other vacuum insulation unit, can in a degraded decrease suppression of heat insulating performance as a whole Accordingly insulating panel, moreover, the area large vacuum insulation unit also possible to reduce the number of the vacuum heat insulating section forming a single panel to the arrangement of, Ru can reduce the manufacturing cost. For this reason, this heat insulation panel can be used conveniently as a heat insulating material for buildings. Furthermore, the second vacuum heat insulating material can be constituted by a plurality of segments so as to cover only the necessary area of the first vacuum heat insulating material, and this can also reduce the manufacturing cost.

以下、図面を参照して本発明の理解を助けるための参考例となる断熱パネル及び本発明の実施の形態に係る断熱パネルを説明する。図1は参考例となる断熱パネルを示すもので、(a)はその概略平面図、(b)はその概略側面図、(c)は(b)のA−A矢視概略断面図、(d)は断熱パネルの一部を拡大して示す概略断面図、図2は図1に示す断熱パネルの構成部品を示すもので、(a)は第一真空断熱材の概略平面図、(b)は(a)のB−B矢視概略断面図、(c)は第二真空断熱材の概略平面図、(d)は(c)のD−D矢視概略断面図、図3は図2に示す第一真空断熱材の一部を拡大して示す概略断面図である。図1〜図3において、全体を参照符号1で示す断熱パネルは、第一真空断熱材2と第二真空断熱材3で構成されている。 DESCRIPTION OF THE PREFERRED EMBODIMENTS A heat insulation panel serving as a reference example for helping understanding of the present invention and a heat insulation panel according to embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows a heat insulation panel as a reference example , (a) is a schematic plan view thereof, (b) is a schematic side view thereof, (c) is a schematic cross-sectional view taken along line AA of (b), d) is a schematic cross-sectional view showing a part of the heat insulation panel in an enlarged manner, FIG. 2 is a view showing components of the heat insulation panel shown in FIG. 1, (a) is a schematic plan view of the first vacuum heat insulating material, (b) ) Is a schematic cross-sectional view taken along the line B-B of (a), (c) is a schematic plan view of the second vacuum heat insulating material, (d) is a schematic cross-sectional view taken along the line DD of (c), and FIG. It is a schematic sectional drawing which expands and shows a part of 1st vacuum heat insulating material shown in FIG. In FIG. 1 to FIG. 3, the heat insulating panel generally indicated by reference numeral 1 is composed of a first vacuum heat insulating material 2 and a second vacuum heat insulating material 3.

第一真空断熱材2は、平坦な基部フィルム5上の複数箇所に、断熱材6とそれを覆うカバーフィルム7を配し、各断熱材6を配した領域を減圧すると共にその周縁でカバーフィルム7を基部フィルム5に熱融着により固着した構造の一定高さの真空断熱部8を備えたものである。すなわち、第一真空断熱材2は、それぞれが独立して減圧されている多数の一定高さの真空断熱部8が間隔をあけて形成された構造のものであり、複数の真空断熱部8の間の領域(基部フィルム5とカバーフィルム7の接合領域)には凹部9が形成されている。基部フィルム5及びカバーフィルム7としては、融着性とガスバリア性を備えたフィルムが用いられ、具体的には少なくとも、融着可能な樹脂層とアルミ箔、アルミ蒸着層などのガスバリア性を付与する層とを有し、必要に応じ、強度、耐衝撃性を付与する層を備えた積層体が用いられる。基部フィルム5及びカバーフィルム7として用いるのに好適な積層体の層構成としては、断熱材6に面する側から、熱融着のための高密度ポリエチレン層/ガスバリア性を付与するためのアルミ箔/強度を付与するためのポリエチレンテレフタレート層/熱融着のための高密度ポリエチレン層を例示できる。なお、基部フィルム5及び/又はカバーフィルム7は、第一真空断熱材2の全面積に亘る1枚の構造のものに限らず、小面積のものを複数枚使用してもよい。例えば、基部フィルム5は第一真空断熱材2の全面積に亘る1枚の構造のものを用いるが、カバーフィルム7は、1個の断熱材6を覆う面積のもの或いは数個の断熱材6を覆う面積のもの等を複数枚用いるように変更してもよい。断熱材6は真空断熱部8の芯材として用いるもので、ロックウール、ガラスウール等の無機繊維マット、ウレタン、スチレン、エチレン等の樹脂発泡体、シリカパウダー等の無機粉末等を挙げることができる。   The first vacuum heat insulating material 2 includes a heat insulating material 6 and a cover film 7 covering the heat insulating material 6 and a cover film 7 covering the heat insulating material 6 at a plurality of locations on the flat base film 5. 7 is provided with a vacuum heat insulating portion 8 having a certain height and having a structure in which 7 is fixed to the base film 5 by heat fusion. That is, the first vacuum heat insulating material 2 has a structure in which a large number of vacuum heat insulating portions 8 having a constant height, each of which is independently decompressed, are formed at intervals. A concave portion 9 is formed in a region between them (a bonding region between the base film 5 and the cover film 7). As the base film 5 and the cover film 7, a film having fusibility and gas barrier properties is used. Specifically, at least gas barrier properties such as a fusible resin layer, an aluminum foil, and an aluminum vapor deposition layer are imparted. A laminate having a layer and having a layer imparting strength and impact resistance is used as necessary. As a layer structure of a laminate suitable for use as the base film 5 and the cover film 7, from the side facing the heat insulating material 6, a high-density polyethylene layer for heat fusion / aluminum foil for imparting gas barrier properties Examples thereof include a polyethylene terephthalate layer for imparting strength and a high-density polyethylene layer for thermal fusion. In addition, the base film 5 and / or the cover film 7 are not limited to one having a single structure covering the entire area of the first vacuum heat insulating material 2, and a plurality of films having a small area may be used. For example, the base film 5 has a single structure covering the entire area of the first vacuum heat insulating material 2, but the cover film 7 has an area covering one heat insulating material 6 or several heat insulating materials 6. You may change so that the thing of the area which covers may be used. The heat insulating material 6 is used as a core material of the vacuum heat insulating portion 8, and includes inorganic fiber mats such as rock wool and glass wool, resin foams such as urethane, styrene and ethylene, inorganic powders such as silica powder, and the like. .

真空断熱部8の平面形状、配置等は限定するものではないが、この実施の形態では、角部を面取りした四角形状の、且つ同一寸法の多数の真空断熱部8が千鳥状に配置されている。また、隣接した4個の真空断熱部8で囲まれた凹部9は、一つの真空断熱部8を嵌め込むことができる寸法に形成されている。ここで、真空断熱部8の角部を面取りしているのは、後述するように、凹部9に第二真空断熱材3に形成している真空断熱部11を嵌め込む際に角部同士が干渉しないようにして嵌め込みを容易に行うためであり、嵌め込みに支障のない範囲で極力面取りは小さくすることが、断熱性能を高める上から好ましい。   Although the planar shape, arrangement, etc. of the vacuum heat insulating part 8 are not limited, in this embodiment, a large number of vacuum heat insulating parts 8 having a square shape with chamfered corners and the same size are arranged in a staggered manner. Yes. Moreover, the recessed part 9 enclosed by the four adjacent vacuum heat insulation parts 8 is formed in the dimension which can fit one vacuum heat insulation part 8. FIG. Here, the corners of the vacuum heat insulating portion 8 are chamfered, as will be described later, when the vacuum heat insulating portions 11 formed in the second vacuum heat insulating material 3 are fitted into the concave portions 9. This is because the fitting is easily performed without interfering with each other, and it is preferable to reduce the chamfering as much as possible within a range in which the fitting is not hindered from the viewpoint of improving the heat insulating performance.

第二真空断熱材3も、第一真空断熱材2と同様に、平坦な基部フィルム5上の複数箇所に、断熱材6とそれを覆うカバーフィルム7を配し、各断熱材6を配した領域を減圧すると共にその周縁でカバーフィルム7を基部フィルム5に熱溶着により固着した構造の一定高さの真空断熱部11を備えたものである。この真空断熱部11の高さは、第一真空断熱材2の真空断熱部8の高さに等しく設定されており、また、真空断熱材11の配置及び形状、寸法は、この真空断熱部11が第一真空断熱材2に形成している複数の真空断熱材8の間の凹部9に嵌め込まれ得るように設定されている。なお、この実施の形態では前記したように、第一真空断熱材2において隣接した4個の真空断熱部8で囲まれた凹部9を、一つの真空断熱部8を嵌め込むことができる寸法に形成しているので、第二真空断熱材3に形成する真空断熱部11の形状、寸法は第一真空断熱材2の真空断熱部8と同じとしている。更には、第一真空断熱材2と第二真空断熱材3の形状、寸法も同じとしている。このように、同じ形状、寸法の真空断熱材を、第一真空断熱材2及び第二真空断熱材3として用いる構成とすると、断熱パネル1を構成する部品の種類が1つで良く、生産工程が簡単となる利点が得られる。   Similarly to the first vacuum heat insulating material 2, the second vacuum heat insulating material 3 is also provided with a heat insulating material 6 and a cover film 7 covering the heat insulating material 6 at a plurality of locations on the flat base film 5. A vacuum heat insulating part 11 having a constant height and having a structure in which the region is decompressed and the cover film 7 is fixed to the base film 5 by thermal welding at the periphery thereof. The height of the vacuum heat insulating part 11 is set equal to the height of the vacuum heat insulating part 8 of the first vacuum heat insulating material 2, and the arrangement, shape, and dimensions of the vacuum heat insulating material 11 are the same. Is set so as to be fitted into the recesses 9 between the plurality of vacuum heat insulating materials 8 formed in the first vacuum heat insulating material 2. In this embodiment, as described above, the recess 9 surrounded by the four vacuum heat insulating portions 8 adjacent to each other in the first vacuum heat insulating material 2 is dimensioned so that one vacuum heat insulating portion 8 can be fitted. Since it is formed, the shape and dimensions of the vacuum heat insulating portion 11 formed on the second vacuum heat insulating material 3 are the same as those of the vacuum heat insulating portion 8 of the first vacuum heat insulating material 2. Furthermore, the first vacuum heat insulating material 2 and the second vacuum heat insulating material 3 have the same shape and dimensions. As described above, when the vacuum heat insulating material having the same shape and size is used as the first vacuum heat insulating material 2 and the second vacuum heat insulating material 3, only one type of component constituting the heat insulating panel 1 may be used. The advantage that is easy is obtained.

断熱パネル1は、上記した構成の第一真空断熱材2と第二真空断熱材3とを向かい合わせ、第一真空断熱材2の真空断熱部8の間に第二真空断熱材3の真空断熱部11を嵌め込む形態に組み合わせ、第一真空断熱材2と第二真空断熱材3とを熱溶着、接着剤等によって互いに固定してパネル形態としたものである。この構成により、図1に示すように、断熱パネル1のほぼ全面に、多数の真空断熱部8、11が密に存在することとなり、パネル全体を一つの真空断熱材で形成した場合とほぼ同様の優れた断熱性能を発揮することができる。また、この断熱パネル1を建築物用断熱材として用い、釘打ちや切断加工を施した場合、釘打ちや切断加工を施した領域の真空断熱部8、11に貫通孔があいて内部が減圧状態でなくなっても、真空断熱部8、11が独立しているため、他の領域の真空断熱部8、11の減圧状態が破られることはなく、断熱パネル1全体としての断熱性能の低下はわずかである。かくして、この断熱パネル1は、釘打ちや切断加工を施す位置にあまり制限されず、且つ高い断熱性能を発揮できるので、建築物用断熱材として特に好適である。なお、それ以外の用途に使用してもよい。   The heat insulation panel 1 has the first vacuum heat insulating material 2 and the second vacuum heat insulating material 3 configured as described above facing each other, and the vacuum insulation of the second vacuum heat insulating material 3 between the vacuum heat insulating portions 8 of the first vacuum heat insulating material 2. The first vacuum heat insulating material 2 and the second vacuum heat insulating material 3 are fixed to each other by heat welding, an adhesive, or the like in combination with a form in which the portion 11 is fitted. With this configuration, as shown in FIG. 1, a large number of vacuum heat insulating portions 8 and 11 are densely present on almost the entire surface of the heat insulating panel 1, which is almost the same as the case where the entire panel is formed of one vacuum heat insulating material. Can exhibit excellent heat insulation performance. Further, when this heat insulating panel 1 is used as a heat insulating material for a building and subjected to nailing or cutting, there is a through hole in the vacuum heat insulating portions 8 and 11 in the area where the nailing or cutting is performed, and the inside is decompressed. Even if it is no longer in a state, the vacuum heat insulating parts 8 and 11 are independent, so the reduced pressure state of the vacuum heat insulating parts 8 and 11 in other regions is not broken, and the heat insulating performance of the heat insulating panel 1 as a whole is reduced. It is slight. Thus, the heat insulating panel 1 is not particularly limited to the position where nailing or cutting is performed, and can exhibit high heat insulating performance, and thus is particularly suitable as a heat insulating material for buildings. It may be used for other purposes.

ここで、個々の真空断熱部8、11の面積は、小さい方が、破断した際のパネル全体の断熱性能の低下を小さくできるので好ましいが、あまり小さいと製造が困難となる。そこで、図1〜図3に示す実施の形態のように、真空断熱部8、11を同一形状、同一寸法とした場合には、真空断熱部8、11を、30〜200mm角程度の大きさ、或いは、10〜400cm2 程度の面積とすることが好ましい。 Here, it is preferable that the area of each of the vacuum heat insulating portions 8 and 11 is small because a decrease in the heat insulating performance of the whole panel when it is broken can be reduced. Therefore, when the vacuum heat insulating portions 8 and 11 have the same shape and the same dimensions as in the embodiment shown in FIGS. 1 to 3, the vacuum heat insulating portions 8 and 11 are about 30 to 200 mm square. Alternatively, the area is preferably about 10 to 400 cm 2 .

上記した構成の断熱パネル1の製造に当たっては、まず、第一真空断熱材2及び第二真空断熱材3を作製する。この作製は、基部フィルム5の上の所定位置に断熱材6を置き、その上にカバーフィルム7を乗せ、全体を減圧室に入れて基部フィルム5とカバーフィルム7間を減圧状態とし、その状態で各断熱材6の周縁を熱板で加圧し、カバーフィルム7と基部フィルム5を熱融着することで行うことができる。また、この方法に代えて、予めカバーフィルム7に断熱材6を収容する多数の凹部を形成しておき、その凹部に断熱材6を収容した後、その上に基部フィルム5を乗せ、全体を減圧室に入れて基部フィルム5とカバーフィルム7間を減圧状態とし、その状態で各断熱材6の周縁を熱板で加圧し、カバーフィルム7と基部フィルム5を熱融着する方法によっても作製できる。また、図4に示すように、カバーフィルム7として、1個の断熱材6を覆う面積のものを多数枚用いる場合には、個々の断熱材6の、基部フィルム5に接する面以外の面を各カバーフィルム7で被覆すると共にそのカバーフィルム7の周縁部分7aを、断熱材6の、基部フィルム5に接する面の周縁に基部フィルム5と融着させるための耳部として残しておき、断熱材6とそれを覆ったカバーフィルム7を、断熱材6の被覆されていない面が基部フィルム5に接触するように基部フィルム5に乗せ、基部フィルム5とカバーフィルム7の間を減圧状態とし、カバーフィルム7の周縁部分7aを熱板で加熱し、カバーフィルム7を基部フィルム5を熱融着する方法によっても作製できる。   In manufacturing the heat insulating panel 1 having the above-described configuration, first, the first vacuum heat insulating material 2 and the second vacuum heat insulating material 3 are produced. In this production, the heat insulating material 6 is placed at a predetermined position on the base film 5, the cover film 7 is placed thereon, the whole is placed in a decompression chamber, and the space between the base film 5 and the cover film 7 is reduced. The peripheral edge of each heat insulating material 6 can be pressed with a hot plate, and the cover film 7 and the base film 5 can be heat-sealed. Alternatively, instead of this method, a number of recesses for accommodating the heat insulating material 6 are formed in the cover film 7 in advance, and after the heat insulating material 6 is accommodated in the concave portion, the base film 5 is placed thereon, and the whole It is also produced by a method in which the base film 5 and the cover film 7 are put in a reduced pressure state in a reduced pressure chamber, the peripheral edge of each heat insulating material 6 is pressed with a hot plate in that state, and the cover film 7 and the base film 5 are heat-sealed. it can. In addition, as shown in FIG. 4, when a large number of cover films 7 having an area covering one heat insulating material 6 are used, the surface of each heat insulating material 6 other than the surface in contact with the base film 5 is used. The cover film 7 is covered with the peripheral portion 7a of the cover film 7 as an ear for fusing the base film 5 to the peripheral edge of the surface of the heat insulating material 6 in contact with the base film 5, 6 and the cover film 7 covering it are placed on the base film 5 so that the uncovered surface of the heat insulating material 6 is in contact with the base film 5, and the pressure between the base film 5 and the cover film 7 is reduced, The peripheral portion 7a of the film 7 can be heated by a hot plate, and the cover film 7 can also be produced by heat-sealing the base film 5.

次に、第一真空断熱材2と第二真空断熱材3とを向かい合わせ、第一真空断熱材2の真空断熱部8の間に第二真空断熱材3の真空断熱部11を嵌め込む形態に組み合わせ、第一真空断熱材2と第二真空断熱材3とを熱溶着して一体化する。これにより、図1に示す断熱パネル1を製造できる。なお、第一真空断熱材2と第二真空断熱材3との固定には接着剤などの他の固定手段を用いても良い。   Next, the first vacuum heat insulating material 2 and the second vacuum heat insulating material 3 face each other, and the vacuum heat insulating part 11 of the second vacuum heat insulating material 3 is fitted between the vacuum heat insulating parts 8 of the first vacuum heat insulating material 2. In combination, the first vacuum heat insulating material 2 and the second vacuum heat insulating material 3 are heat-welded and integrated. Thereby, the heat insulation panel 1 shown in FIG. 1 can be manufactured. Note that other fixing means such as an adhesive may be used for fixing the first vacuum heat insulating material 2 and the second vacuum heat insulating material 3.

上記した参考例となる断熱パネルでは、同一形状、同一寸法の多数の真空断熱部8、11を一定ピッチで配置し、全体の形状、寸法も同一とした第一真空断熱材2、第二真空断熱材3を組み合わせて断熱パネル1を形成しているが、本発明の実施の形態では、第一真空断熱材2、第二真空断熱材3の各々に設けている真空断熱部8、11を場所によって形状や寸法が異なるものとするとか、第一真空断熱材2の真空断熱部8と第二真空断熱材3の真空断熱部11を形状や寸法が異なるようにしたものである。更に、一つの第一真空断熱材2に組み合わせる第二真空断熱材3は、必ずしも第一真空断熱材2の全面に組み合わせることができる大きさを持った一体構造のものに限らず、複数のセグメントに分割した形態とし、各セグメントを第一真空断熱材2の対応する領域に取り付けることで、全体をパネル状とするようにしてもよい。 In the heat insulation panel as the reference example described above, the first vacuum heat insulating material 2 and the second vacuum in which a large number of vacuum heat insulating portions 8 and 11 having the same shape and the same size are arranged at a constant pitch and the overall shape and size are also the same. The heat insulating panel 1 is formed by combining the heat insulating materials 3. In the embodiment of the present invention, the vacuum heat insulating portions 8 and 11 provided in the first vacuum heat insulating material 2 and the second vacuum heat insulating material 3 are provided. Toka a shape and dimensions different depending on the location, in which a first vacuum vacuum insulation unit 8 of the heat insulating material 2 and the second vacuum vacuum insulation unit 11 of the heat insulator 3 shape and dimensions were different. Further, the second vacuum heat insulating material 3 to be combined with one first vacuum heat insulating material 2 is not necessarily limited to an integral structure having a size that can be combined with the entire surface of the first vacuum heat insulating material 2, and includes a plurality of segments. It is also possible to make the whole into a panel shape by attaching each segment to a corresponding region of the first vacuum heat insulating material 2.

図5、図6は異なる大きさの真空断熱部を用い且つ第二真空断熱材を複数のセグメントで構成した形態の断熱パネルの例を示すものである。図5(a)は断熱パネルの概略平面図、(b)はその概略側面図、(c)は(b)のE−E矢視概略断面図、図6は図5に示す断熱パネルの構成部品を示すもので、(a)は第一真空断熱材の概略平面図、(b)は(a)のF−F矢視概略断面図、(c)は(a)のG−G矢視概略断面図、(d)は第二真空断熱材を形成するセグメントの概略平面図、(e)は(d)のH−H概略断面図、(f)は第二真空断熱材を形成する他のセグメントの概略平面図である。この実施の形態に係る断熱パネル1Aは、第一真空断熱材2Aと複数のセグメント3Aa、3Ab、3Acを有する第二真空断熱材3Aで構成されている。   FIG. 5 and FIG. 6 show examples of heat insulation panels in the form of using vacuum heat insulation portions of different sizes and forming the second vacuum heat insulation material with a plurality of segments. 5A is a schematic plan view of the heat insulation panel, FIG. 5B is a schematic side view thereof, FIG. 5C is a schematic cross-sectional view taken along line EE of FIG. 5B, and FIG. 6 is a configuration of the heat insulation panel shown in FIG. The components are shown, wherein (a) is a schematic plan view of the first vacuum heat insulating material, (b) is a schematic sectional view taken along line FF of (a), and (c) is a view taken along line GG of (a). Schematic cross-sectional view, (d) is a schematic plan view of a segment forming the second vacuum heat insulating material, (e) is a schematic cross-sectional view of HH of (d), (f) is the other forming the second vacuum heat insulating material It is a schematic plan view of a segment. 1 A of heat insulation panels which concern on this embodiment are comprised by 2A of 2nd vacuum heat insulating materials which have 2 A of 1st vacuum heat insulating materials and several segment 3Aa, 3Ab, 3Ac.

第一真空断熱材2Aは、平坦な基部フィルム5上の複数箇所に、断熱材6とそれを覆うカバーフィルム7を配し、各断熱材6を配した領域を減圧すると共にその周縁でカバーフィルム7を基部フィルム5に固着した構造の一定高さの真空断熱部8a、8b、8c、8d、8eを備えている。ここで、真空断熱部8a、8b、8c、8d、8eは形状や寸法が異なるものであり、断熱パネル1Aを使用する際に釘打ちや切断加工の対象となる確率の高い領域、例えば、周縁領域及び中央を横切る領域には、面積の小さい真空断熱部8b、8c、8d、8eを配置すると共にこれらの小面積の真空断熱部8b、8c、8d、8eに挟まれて形成される凹部9a、9b、9cも小面積となるようにしている。   The first vacuum heat insulating material 2A is provided with a heat insulating material 6 and a cover film 7 covering the heat insulating material 6 and a cover film 7 covering the heat insulating material 6 at a plurality of locations on the flat base film 5, and the area where each heat insulating material 6 is disposed is decompressed and the periphery of the cover film There are provided vacuum heat insulating portions 8 a, 8 b, 8 c, 8 d, and 8 e having a fixed height with a structure in which 7 is fixed to the base film 5. Here, the vacuum heat insulating portions 8a, 8b, 8c, 8d, and 8e have different shapes and dimensions, and when using the heat insulating panel 1A, a region having a high probability of being subjected to nailing or cutting, for example, a peripheral edge In the region and the region crossing the center, the vacuum heat insulating portions 8b, 8c, 8d, and 8e having a small area are disposed, and the concave portions 9a formed by being sandwiched between the vacuum heat insulating portions 8b, 8c, 8d, and 8e having the small area. , 9b, 9c also have a small area.

一方、第二真空断熱材3Aを形成する複数のセグメント3Aa、3Ab、3Acも、平坦な基部フィルム5上の複数箇所に、断熱材6とそれを覆うカバーフィルム7を配し、各断熱材6を配した領域を減圧すると共にその周縁でカバーフィルム7を基部フィルム5に固着した構造の一定高さの真空断熱部11a、11b、11c等を備えている。この真空断熱部11a、11b、11c等も、第一真空断熱材2Aに形成している凹部9a、9b、9c等に嵌め込むことができるように配置や形状、寸法等が定められている。   On the other hand, the plurality of segments 3Aa, 3Ab, and 3Ac that form the second vacuum heat insulating material 3A are also provided with a heat insulating material 6 and a cover film 7 that covers the heat insulating material 6 at a plurality of locations on the flat base film 5. The pressure-reduced region is provided with a vacuum heat insulating portion 11a, 11b, 11c, etc. having a constant height and having a structure in which the cover film 7 is fixed to the base film 5 at the periphery thereof. The arrangement, shape, dimensions, and the like of the vacuum heat insulating portions 11a, 11b, and 11c are determined so that the vacuum heat insulating portions 11a, 11b, and 11c can be fitted into the concave portions 9a, 9b, and 9c formed in the first vacuum heat insulating material 2A.

断熱パネル1Aは、第二真空断熱材3Aを形成する複数のセグメント3Aa、3Ab、3Acのそれぞれを、上記した構成の第一真空断熱材2Aの対応する領域に向かい合わせ、第一真空断熱材2Aの真空断熱部8b、8c、8d、8eの間に第二真空断熱材3Aのセグメント3Aa、3Ab、3Acの真空断熱部11a、11b、11cを嵌め込む形態に組み合わせ、第一真空断熱材2Aと第二真空断熱材3Aのセグメント3Aa、3Ab、3Acとを熱溶着、接着剤等によって互いに固定してパネル形態としたものである。この構成により、図5(c)に示すように、断熱パネル1Aのほぼ全面に、多数の真空断熱部8a、8b、8c、8d、8e及び11a、11b、11cが密に存在することとなり、パネル全体を一つの真空断熱材で形成した場合とほぼ同様の優れた断熱性能を発揮することができる。また、この断熱パネル1を建築物用断熱材として用い、釘打ちや切断加工を施す際には、小面積の真空断熱部8b、8c、8d、8e及び11a、11b、11cを配置した領域に釘打ちや切断加工を施すことにより、その領域の真空断熱部の内部が減圧状態でなくなって断熱特性が低下したとしても、その真空断熱部が独立していて且つ小面積であるため、他の領域の真空断熱部の減圧状態が破られることはなく、断熱パネル1A全体としての断熱性能の低下はわずかである。かくして、この断熱パネル1Aも、釘打ちや切断加工を施す領域にあまり制限されず、且つ高い断熱性能を発揮できるので、建築物用断熱材として特に好適である。勿論、それ以外の用途に使用してもよい。   The heat insulating panel 1A is configured such that each of the plurality of segments 3Aa, 3Ab, and 3Ac that form the second vacuum heat insulating material 3A faces the corresponding region of the first vacuum heat insulating material 2A having the above-described configuration, In combination with the form of fitting the vacuum heat insulating portions 11a, 11b, 11c of the segments 3Aa, 3Ab, 3Ac of the second vacuum heat insulating material 3A between the vacuum heat insulating portions 8b, 8c, 8d, 8e of the first vacuum heat insulating material 2A and The segments 3Aa, 3Ab, and 3Ac of the second vacuum heat insulating material 3A are fixed to each other by heat welding, an adhesive, or the like to form a panel form. With this configuration, as shown in FIG. 5C, a large number of vacuum heat insulating portions 8a, 8b, 8c, 8d, 8e and 11a, 11b, 11c exist densely on almost the entire surface of the heat insulating panel 1A. The same excellent thermal insulation performance as when the entire panel is formed of a single vacuum heat insulating material can be exhibited. Moreover, when this heat insulation panel 1 is used as a heat insulating material for buildings and is subjected to nailing or cutting, it is in a region where the vacuum heat insulating portions 8b, 8c, 8d, 8e and 11a, 11b, 11c having small areas are arranged. Even if the inside of the vacuum heat insulation part in the region is not in a reduced pressure state and the heat insulation characteristics are reduced by performing nailing or cutting, the vacuum heat insulation part is independent and has a small area. The reduced pressure state of the vacuum heat insulating portion in the region is not broken, and the heat insulating performance as a whole of the heat insulating panel 1A is slightly lowered. Thus, the heat insulation panel 1A is also not particularly limited to the area where nailing or cutting is performed, and can exhibit high heat insulation performance, and thus is particularly suitable as a heat insulating material for buildings. Of course, it may be used for other purposes.

この場合においても、釘打ちや切断加工を施す領域に配置する真空断熱部8b、8c、8d、8e及び11a、11b、11cの面積は、小さい方が、破断した際のパネル全体の断熱性能の低下を小さくできるので好ましいが、あまり小さいと製造が困難となる。そこで、釘打ちや切断加工を施す領域に配置する小面積の真空断熱部8b、8c、8d、8e及び11a、11b、11cは、30〜200mm角程度の大きさ、或いは、10〜400cm2 程度の面積とすることが好ましい。 Even in this case, the smaller the area of the vacuum heat insulating portions 8b, 8c, 8d, 8e and 11a, 11b, 11c arranged in the area where nailing or cutting is performed, the heat insulating performance of the entire panel when it breaks. This is preferable because the decrease can be reduced, but if it is too small, the production becomes difficult. Therefore, the small-area vacuum heat insulating portions 8b, 8c, 8d, 8e and 11a, 11b, 11c arranged in the area where nailing and cutting are performed have a size of about 30 to 200 mm square, or about 10 to 400 cm 2. It is preferable to set it as an area.

図5に示す構成の断熱パネル1Aは、小面積の真空断熱部8b、8c、8d、8e及び11a、11b、11cを、周縁領域及び中央を横切る領域に配置しているのみであるので、釘打ちや切断加工を施す位置がこれらの領域に限定されるが、その他の領域には大面積の真空断熱部8aを配置したことで、一つのパネルに形成する真空断熱部の個数を少なくでき、更に、第二真空断熱材3Aは第一真空断熱材2Aの全面を覆う大きさとする必要はなく、複数のセグメント3Aa、3Ab、3Acで必要な領域のみを覆う構成とすることができ、これによって、製造コストを下げることができる。   Since the heat insulating panel 1A having the configuration shown in FIG. 5 has only the vacuum insulating portions 8b, 8c, 8d, 8e and 11a, 11b, 11c having small areas arranged in the peripheral region and the region crossing the center, the nail The position where the punching and cutting process is performed is limited to these regions, but by arranging the large-area vacuum heat insulating portion 8a in other regions, the number of vacuum heat insulating portions formed in one panel can be reduced, Further, the second vacuum heat insulating material 3A does not need to have a size that covers the entire surface of the first vacuum heat insulating material 2A, and can be configured to cover only a necessary region with a plurality of segments 3Aa, 3Ab, and 3Ac. Manufacturing costs can be reduced.

なお、図5、図6に示した断熱パネル1Aでは、第二真空断熱材3Aのセグメント3Aa、3Ab、3Acがそれぞれ、1枚の基部フィルム5に2個の真空断熱部を形成した構成であるが、これに限らず、1枚の基部フィルム5に3個以上の真空断熱部を形成した構成としてもよく、また、使用場所によっては、1個の真空断熱部のみを備えたセグメントを用いても良い。   In addition, in the heat insulation panel 1A shown in FIG. 5 and FIG. 6, the segments 3Aa, 3Ab, and 3Ac of the second vacuum heat insulating material 3A each have a configuration in which two vacuum heat insulating portions are formed on one base film 5. However, the present invention is not limited to this, and a configuration in which three or more vacuum heat insulating portions are formed on one base film 5 may be used. Depending on the place of use, a segment including only one vacuum heat insulating portion may be used. Also good.

以上に本発明の好適な実施の形態を説明したが、本発明はこれらの実施の形態に限定されるものではなく、特許請求の範囲の記載範囲内で適宜変更可能である。例えば、上記した実施の形態では、第一真空断熱材に第二真空断熱材を嵌め込んで形成した断熱パネルをそのままの状態で使用するものとして説明しているが、これに限らず、第一真空断熱材に第二真空断熱材を嵌め込んで断熱パネルを形成した後、更に、該断熱パネルをフィルムや布帛などのシート状物で被覆したり、該断熱パネルの表面及び裏面の少なくとも一方又は双方に前記シート状物あるいは板状物(ベニヤ板や薄い金属板など)を貼り付けても良い。これらにより、運搬時や施工時の断熱パネルの破損を減少させることができる。また、断熱パネルとしての強度を向上させることもできる。   The preferred embodiments of the present invention have been described above, but the present invention is not limited to these embodiments and can be appropriately changed within the scope of the claims. For example, in the above-described embodiment, the heat insulation panel formed by fitting the second vacuum heat insulating material into the first vacuum heat insulating material is described as being used as it is. After the second vacuum heat insulating material is fitted into the vacuum heat insulating material to form a heat insulating panel, the heat insulating panel is further covered with a sheet-like material such as a film or fabric, or at least one of the front and back surfaces of the heat insulating panel or You may affix the said sheet-like thing or plate-like thing (a veneer board, a thin metal plate, etc.) to both. By these, the damage of the heat insulation panel at the time of conveyance and construction can be reduced. Moreover, the intensity | strength as a heat insulation panel can also be improved.

本発明の参考例となる断熱パネルを示すもので、(a)は概略平面図、(b)は概略側面図、(c)は(b)のA−A矢視概略断面図、(d)は断熱パネルの一部を拡大して示す概略断面図The heat insulation panel used as the reference example of this invention is shown, (a) is a schematic plan view, (b) is a schematic side view, (c) is a schematic sectional drawing in the (A) arrow of (b), (d). Is an enlarged schematic cross-sectional view showing a part of the heat insulation panel 図1に示す断熱パネルの構成部品を示すもので、(a)は第一真空断熱材の概略平面図、(b)は(a)のB−B矢視概略断面図、(c)は第二真空断熱材の概略平面図、(d)は(c)のD−D矢視概略断面図FIG. 1 shows the components of the heat insulation panel shown in FIG. 1, (a) is a schematic plan view of the first vacuum heat insulating material, (b) is a schematic cross-sectional view taken along the line BB of (a), and (c) is a first view. Schematic plan view of two vacuum heat insulating materials, (d) is a schematic cross-sectional view taken along line DD of (c). 図2に示す第一真空断熱材の一部を拡大して示す概略断面図Schematic sectional view showing a part of the first vacuum heat insulating material shown in FIG. 2 in an enlarged manner 第一真空断熱材の変形例を製造途中の状態で示す概略断面図Schematic cross-sectional view showing a modification of the first vacuum heat insulating material in the middle of manufacturing 本発明の実施の形態に係る断熱パネルを示すもので、(a)は概略平面図、(b)は概略側面図、(c)は(b)のE−E矢視概略断面図Shows the insulation panel according to the implementation of the embodiment of the present invention, (a) is a schematic plan view, (b) a schematic side view, (c) the E-E coconut schematic cross-sectional view of (b) 図5に示す断熱パネルの構成部品を示すもので、(a)は第一真空断熱材の概略平面図、(b)は(a)のF−F矢視概略断面図、(c)は(a)のG−G矢視概略断面図、(d)は第二真空断熱材を形成するセグメントの概略平面図、(e)は(d)のH−H概略断面図、(f)は第二真空断熱材を形成する他のセグメントの概略平面図FIG. 6 shows components of the heat insulation panel shown in FIG. 5, (a) is a schematic plan view of the first vacuum heat insulating material, (b) is a schematic cross-sectional view taken along the line F-F of (a), and (c) is ( a) G-G schematic cross-sectional view of (a), (d) is a schematic plan view of a segment forming the second vacuum heat insulating material, (e) is a H-H schematic cross-sectional view of (d), and (f) is a first view. Schematic plan view of other segments forming two vacuum insulation

符号の説明Explanation of symbols

1、1A 断熱パネル
2、2A 第一真空断熱材
3、3A 第二真空断熱材
3Aa、3Ab、3Ac セグメント
5 基部フィルム
6 断熱材
7 カバーフィルム
8、8a、8b、8c、8d、8e、11、11a、11b、11c 真空断熱部
9、9a、9b、9c 凹部
DESCRIPTION OF SYMBOLS 1, 1A heat insulation panel 2, 2A 1st vacuum heat insulating material 3, 3A 2nd vacuum heat insulating material 3Aa, 3Ab, 3Ac segment 5 Base film 6 Heat insulating material 7 Cover film 8, 8a, 8b, 8c, 8d, 8e, 11, 11a, 11b, 11c Vacuum heat insulating part 9, 9a, 9b, 9c Recessed part

Claims (2)

平坦な基部フィルム上の複数箇所に、断熱材とそれを覆うカバーフィルムを配し、各断熱材を配した領域を減圧すると共にその周縁でカバーフィルムを基部フィルムに固着した構造の一定高さの真空断熱部を備えた第一真空断熱材と、平坦な基部フィルム上の複数箇所に、断熱材とそれを覆うカバーフィルムを配し、各断熱材を配した領域を減圧すると共にその周縁でカバーフィルムを基部フィルムに固着した構造の一定高さの真空断熱部を備えると共にその真空断熱部の配置及び形状、寸法を、該真空断熱部が前記第一真空断熱材に形成している複数の真空断熱部の間の凹部に嵌め込まれ得るように設定した第二真空断熱材を備え、前記第一真空断熱材と第二真空断熱材を向かい合わせ、第一真空断熱材の真空断熱部の間に第二真空断熱材の真空断熱材を嵌め込んで固定した構造を有し、前記第一真空断熱材及び第二真空断熱材に設けられている複数の真空断熱部は、面積の異なるものを有しており、面積の異なる複数の真空断熱部のうち、小面積の真空断熱部の面積を、10〜400cm 2 としたことを特徴とする断熱パネル。 The heat insulating material and the cover film covering the heat insulating material are arranged at a plurality of locations on the flat base film, the area where each heat insulating material is arranged is decompressed, and the cover film is fixed to the base film at the periphery of the fixed height. The first vacuum heat insulating material provided with a vacuum heat insulating part and a heat insulating material and a cover film covering the heat insulating material and a cover film covering the same are arranged at a plurality of locations on the flat base film. A plurality of vacuums comprising a vacuum heat insulating part having a fixed height with a structure in which a film is fixed to a base film, and the vacuum heat insulating part forming the first vacuum heat insulating material in the arrangement, shape and dimensions of the vacuum heat insulating part. A second vacuum heat insulating material set so as to be fitted in a recess between the heat insulating portions, the first vacuum heat insulating material and the second vacuum heat insulating material face each other, and between the vacuum heat insulating portions of the first vacuum heat insulating material Second vacuum insulation Has a fixed structure fitted the vacuum heat insulating material, said first vacuum heat insulating material and a plurality of vacuum insulation portion provided in the second vacuum heat insulating material has a different in area, the area The heat insulation panel characterized by the area of the vacuum heat insulation part of a small area being 10-400 cm < 2 > among several different vacuum heat insulation parts . 前記第二真空断熱材が、前記第一真空断熱材の異なる領域にそれぞれ取り付けた複数のセグメントで構成されていることを特徴とする請求項1記載の断熱パネル。 The heat insulation panel according to claim 1, wherein the second vacuum heat insulating material is constituted by a plurality of segments respectively attached to different regions of the first vacuum heat insulating material .
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