KR20120051305A - Multi-layered thin vacuum insulation panel - Google Patents

Multi-layered thin vacuum insulation panel Download PDF

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KR20120051305A
KR20120051305A KR1020100112684A KR20100112684A KR20120051305A KR 20120051305 A KR20120051305 A KR 20120051305A KR 1020100112684 A KR1020100112684 A KR 1020100112684A KR 20100112684 A KR20100112684 A KR 20100112684A KR 20120051305 A KR20120051305 A KR 20120051305A
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thin film
vacuum insulation
film vacuum
layer
insulation layer
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KR1020100112684A
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Korean (ko)
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KR101404239B1 (en
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전승민
황승석
한정필
민병훈
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(주)엘지하우시스
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    • 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
    • F16L59/06—Arrangements using an air layer or vacuum
    • F16L59/065—Arrangements using an air layer or vacuum using vacuum
    • 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
    • B32B17/02—Layered products essentially comprising sheet glass, or glass, slag, or like fibres in the form of fibres or filaments
    • 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
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/18—Handling of layers or the laminate
    • B32B38/1858—Handling of layers or the laminate using vacuum
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • F16L59/029—Shape or form of insulating materials, with or without coverings integral with the insulating materials layered

Abstract

PURPOSE: A multi-layered vacuum heat insulator is provided to maintain heat insulating performance even in case of damage to the skin of an outer vacuum insulating layer. CONSTITUTION: A multi-layered vacuum heat insulator comprises a first thin film vacuum heat insulating layer(110), a second thin film vacuum heat insulating layer(120), and an adhesive layer(211). The second thin film vacuum heat insulating layer is laminated on the first thin film vacuum heat insulating layer. The adhesive layer is interposed between the first and second thin film vacuum heat insulating layers.

Description

다층 박막 진공단열재{MULTI-LAYERED THIN VACUUM INSULATION PANEL}Multi-layer thin vacuum insulation panel [

본 발명은 진공단열재에 관한 것으로, 상세하게는 박막 진공단열층을 여러 개 적층하여 구성한 다층 박막 진공단열재에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum insulation material, and more particularly, to a multilayer thin film vacuum insulation material formed by laminating a plurality of thin vacuum insulation layers.

진공단열재는 다공 심재의 외부에 얇은 막이 감싸진 것으로, 그 내부의 압력을 감소시켜 밀봉 처리한 단열재이다. 기체의 열전도 계수가 0에 가깝기 때문에 우수한 단열성능을 보인다. 그 외에도, 진공단열재는 에너지 효율이 높고, 안전하고, 위생적이며, 또한 가볍다.Vacuum insulation is a heat insulation material in which a thin film is enclosed on the outside of the porous core material, and the pressure inside the vacuum insulation material is sealed. Since the thermal conductivity coefficient of the gas is close to zero, excellent heat insulating performance is exhibited. In addition, vacuum insulation is energy efficient, safe, hygienic, and lightweight.

이러한 특징을 갖는 진공단열재는 냉장고, 건물, 냉동 차량, 자판기 등에 널리 이용되고 있다. 특히, 건물 외벽에 진공단열재를 적용할 경우, 10% 이상의 에너지 절감 효과가 있기 때문에, 그린 홈이나 그린 오피스를 실현하는 건축물에서 핵심 자재로서 이용되고 있다.Vacuum insulation materials having such characteristics are widely used in refrigerators, buildings, refrigeration vehicles, vending machines, and the like. In particular, when vacuum insulation is applied to the exterior wall of a building, it is used as a core material in a building that realizes a green home or a green office because it has an energy saving effect of 10% or more.

도1은 단층 진공단열재의 구조를 보여주고 있다. 도1에 도시한 바와같이, 진공단열재는 외피재(10)와 심재(20)로 구성되어 있다.Fig. 1 shows the structure of a single-layer vacuum insulator. As shown in Fig. 1, the vacuum insulation material is composed of a sheath material 10 and a core material 20.

그런데, 진공단열재가 건축용으로 사용되는 경우, 외피재(10)가 모르타르나 콘크리트 등의 소재와 접합되면서 외피재(10)가 손상될 수 있다. 이 경우, 진공 단열재의 내부 진공 상태가 해제될 수 있다. 진공단열재는 그 내부가 진공 상태를 유지하여야 단열 효과가 충분히 발휘되는데, 외피재(10)의 손상은 그 내부의 진공 상태를 해제시켜 진공단열재로서의 기능을 발휘하지 못하게 하는 결과를 초래한다.However, when the vacuum insulation material is used for construction, the sheath material 10 may be damaged while the sheath material 10 is bonded to a material such as mortar or concrete. In this case, the vacuum state of the vacuum insulator can be released. The inside of the vacuum insulation material must be maintained in a vacuum state to sufficiently exhibit the adiabatic effect. Damage to the envelope material 10 results in the release of the vacuum state of the inside of the vacuum insulation material, thereby preventing the vacuum insulation material from functioning as a vacuum insulation material.

이러한 문제를 해결하기 위해서, 종래에는 외피재의 물성을 강화하는 방향으로 그 해결책을 강구해왔다. 예를들어, 외피재의 표면 스크래치나 외부 열에 강하게 그 외피재의 물성을 강화시켜 왔다. 그러나, 이러한 방법으로는 외피재의 물성을 강화시키는데 한계가 있기 때문에, 외부로부터의 찍힘이나 강한 스크래치로부터 진공단열재의 기능을 유지시키는데 한계가 있어 왔다.In order to solve such a problem, conventionally, a solution has been sought in the direction of strengthening the physical properties of the outer cover material. For example, it has strengthened the physical properties of the outer shell material strongly against surface scratches and external heat of the shell material. However, this method has limitations in enhancing the physical properties of the sheath material, and therefore, there has been a limit in maintaining the function of the vacuum insulation material from external scratches or strong scratches.

본 발명은 이러한 종래의 문제점을 해결하기 위한 것으로,SUMMARY OF THE INVENTION The present invention has been made to solve such conventional problems,

진공단열재의 외피재가 스크래치 등으로 손상을 입더라도 진공단열재의 기능이 저하되는 것에 주된 목적이 있고, 아울러 부수적 목적으로서 진공단열재의 무게나 부피를 최소화하고, 또한 여러 개의 진공단열재를 쉽게 연결하여 넓은 면적에도 쉽게 사용할 수 있는 진공단열재를 제공하는 것을 목적으로 한다.It is a primary object that the function of the vacuum insulator is deteriorated even if the sheath material of the vacuum insulator is damaged by scratches. In addition, as a secondary purpose, the weight and volume of the vacuum insulator are minimized, The present invention also provides a vacuum insulator which can be easily used in a vacuum insulator.

이러한 목적을 달성하기 위하여, 본 발명의 진공단열재는 다층 박막 진공단열재를 제공한다. 본 발명의 다층 박막 진공단열재는, 제1 박막 진공단열층; 제1 박막 진공단열층에 적층되는 제2 박막 진공단열층; 및 제1 박막 진공단열층과 제2 박막 진공단열층의 사이에 게재되는 접착제층을 포함하여 구성된다.In order to achieve this object, the vacuum insulation material of the present invention provides a multilayer thin film vacuum insulation material. The multilayer thin film vacuum insulation material of the present invention comprises: a first thin film vacuum insulation layer; A second thin film vacuum insulation layer laminated on the first thin film vacuum insulation layer; And an adhesive layer disposed between the first thin film vacuum insulating layer and the second thin film vacuum insulating layer.

제2 박막 진공단열층은 2개 이상의 박막 진공단열층으로 구성될 수 있고, 2개 이상의 박막 진공단열층은 그 사이에 접착제층이 게재되어 서로 결합된다.The second thin film vacuum insulation layer may be composed of two or more thin film vacuum insulation layers, and two or more thin film insulation layers are bonded to each other with an adhesive layer interposed therebetween.

제1 박막 진공단열층, 제2 박막 진공단열층, 그리고 제2 박막 진공단열층을 구성하는 2개 이상의 박막 진공단열층들은 각각 0 mm 초과 2 mm 이하의 두께를 갖는 박막으로 구성된다. 이러한 박막 특성을 다층 박막 진공단열재의 전체 부피를 최소화하고, 또한 그 무게를 줄인다.The two or more thin film vacuum insulating layers constituting the first thin film vacuum insulating layer, the second thin film vacuum insulating layer and the second thin film vacuum insulating layer are each composed of a thin film having a thickness of more than 0 mm and less than 2 mm. This thin film property minimizes the total volume of the multilayer thin film vacuum insulation material and also reduces its weight.

또한, 제1 박막 진공단열층, 제2 박막 진공단열층, 그리고 제2 박막 진공단열층을 구성하는 2개 이상의 박막 진공단열층들은, 각각 0 W/mK 초과 0.01 W/mK 이하의 열전도율을 갖는다. 박막 진공 단열층의 전도율은 설치 용도, 가격, 내구성 등을 고려하여 적절히 선택할 수 있다. Further, the two or more thin film vacuum insulating layers constituting the first thin film vacuum insulating layer, the second thin film vacuum insulating layer and the second thin film vacuum insulating layer each have a thermal conductivity of 0 W / mK or more and 0.01 W / mK or less. The conductivity of the thin film vacuum insulation layer can be appropriately selected in consideration of installation use, cost, and durability.

2개 또는 3개 이상의 박막 진공단열층으로 구성되는 다층 박막 진공단열재는 그 측면을 계단 형태로 만들면, 여러 개의 다층 박막 진공단열재를 측면으로 넓게 연결하여 사용하는 것이 쉽다.Layered vacuum insulation material composed of two or three or more thin-film vacuum insulation layers, it is easy to use a plurality of multilayered thin-film vacuum insulation materials connected in a wide side by making a side stepwise.

또한, 3개 이상의 박막 진공단열층으로 구성되는 다층 박막 진공단열재는 그 측면을 요철 형태로 만들면, 여러 개의 다층 박막 진공단열재를 측면으로 연결하여 넓게 사용하는데 편리하다.In addition, if the side surface of the multilayer thin film vacuum insulation material composed of three or more thin vacuum insulation layers is formed into a concavo-convex shape, it is convenient to widely use a plurality of multilayer thin film vacuum insulation materials connected side by side.

여러 개의 층으로 구성되는 다층 박막 진공단열재는 측면을 고정하여 특정의 수단으로 블록화하여 사용하는 것이 바람직하다. 다층 박막 진공단열재의 블록화는 다층 박막 진공단열재의 측면을 테이프나 고정틀을 이용하여 고정하는 방법들을 사용할 수 있다.It is preferable that the multilayer thin film vacuum insulation material composed of several layers is used by blocking the side surface by a specific means. Blocking of the multilayer thin film vacuum insulation can be achieved by fixing the side surfaces of the multilayer thin film vacuum insulation using a tape or a fixed frame.

이러한 구성을 갖는 본 발명의 다층 박막 진공단열재는, 외측에 위치하는 하나의 진공단열층이 스크래치 등으로 그 외피재가 손상되더라도 그 안쪽에 존재하는 손상되지 않은 진공단열층에 의해 단열 기능이 유지되기 때문에, 전체적으로 볼 때 진공단열재의 기능이 유지될 수 있다.In the multilayer thin film vacuum insulation material of the present invention having such a constitution, even if the outer insulation material is damaged by scratches or the like, the insulation insulation function of the vacuum insulation layer is maintained by the undamaged vacuum insulation layer inside, The function of the vacuum insulator can be maintained.

본 발명의 다층 박막 진공단열재는 진공단열층을 박막으로 구성하기 때문에, 여러 층으로 적층되더라도 진공단열재의 전체 무게나 부피가 종래의 단층 진공단열재와 비교하더라도 늘어나지 않으며, 오히려 더 줄일 수도 있다.Since the multilayer thin film vacuum insulation material of the present invention comprises a vacuum insulation layer as a thin layer, the total weight or volume of the vacuum insulation material does not increase even when compared with conventional single layer vacuum insulation material, and may be further reduced.

또한, 다층 박막 진공단열재의 측면이 계단 형상이나 요철 형상으로 구성되므로, 여러 개의 진공단열재를 측면으로 연결하여 사용하기가 용이하며, 그 결과 넓은 면적을 요하는 시공에서 그 작업이 용이하다.In addition, since the side surfaces of the multilayer thin film vacuum insulation material are formed in a stepped shape or a concavo-convex shape, it is easy to use a plurality of vacuum insulation materials by connecting them side by side. As a result, the work is easy in a construction requiring a large area.

도1은 단층 진공단열재의 구조를 보여주고 있다.
도2a는 본 발명에 따른 제1 실시예인 2층 박막 진공단열재를 도시하고 있다.
도2b는 본 발명에 따른 제2 실시예인 3층 박막 진공단열재를 도시하고 있다.
도3a는 다층 박막 진공단열재의 측면을 요철 형상으로 구성한 예를 도시하고 있고,
도3b, 3c는 다층 박막 진공단열재의 측면을 계단 형상으로 구성한 예를 도시하고 있다.Fig. 1 shows the structure of a single-layer vacuum insulator.
2A shows a two-layer thin film vacuum insulation material according to a first embodiment of the present invention.
FIG. 2B illustrates a three-layer thin film vacuum insulation material according to a second embodiment of the present invention.
3A shows an example in which the side surface of the multilayer thin film vacuum insulation material is formed in a concavo-convex shape,
3B and 3C show an example in which the side surfaces of the multilayer thin film vacuum insulator are formed in a stepped shape.

이하, 첨부도면을 참조하여 본 발명을 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

도2a는 본 발명에 따른 제1 실시예인 2층 박막 진공단열재를 도시하고 있다.2A shows a two-layer thin film vacuum insulation material according to a first embodiment of the present invention.

도2a에 도시한 바와같이, 2층 박막 진공단열재는 2개의 박막 진공단열층을 포개어 구성한 형태이다. 제1 박막 진공단열층(110)은 제1 박막 외피재(111)와 제1 심재(112)로 구성된다. 제2 박막 진공단열층(120)도 동일한 형태, 즉 제2 박막 외피재(121)와 제2 심재(122)로 구성된다. 제1 박막 진공단열층(110)과 제2 박막 진공단열층(120)의 사이에는 접착제층(211)이 개재되어, 제1 박막 진공단열층(110)과 제2 박막 진공단열층(120)을 물리적으로 결합한다.As shown in FIG. 2A, the two-layer thin film vacuum insulation material is formed by superposing two thin film insulation layers. The first thin film vacuum insulation layer 110 is composed of a first thin film envelope material 111 and a first core material 112. The second thin film vacuum insulation layer 120 also has the same shape, i.e., the second thin film sheath material 121 and the second core material 122. An adhesive layer 211 is interposed between the first thin film vacuum insulation layer 110 and the second thin film vacuum insulation layer 120 so that the first thin film vacuum insulation layer 110 and the second thin film insulation layer 120 are physically coupled do.

건축용으로 사용되는 기존의 단층 진공단열재의 경우 그 두께가 보통 15~30 mm로 제조되지만, 본 발명에 이용되는 제1 박막 진공단열층(110) 또는 제2 박막 진공단열층(120)의 두께는 각 0 mm 초과 2 mm 이하, 바람직하게는 1 ~ 2 mm로 유지한다. 그래서, 여러 개의 박막 진공단열층을 적층하더라도, 전체 두께가 30 mm를 초과하지 않게 할 수 있다. 예를들어, 제1 박막 진공단열층(110) 또는 제2 박막 진공단열층(120)의 두께를 2 mm로 할 경우, 중간에 개재되는 접착체층(211)의 두께를 0.5mm로 가정하면, 6~12개의 박막 진공단열층을 적층하더라도 기존의 단층 진공단열대의 두께보다 작게 구성할 수 있다.The thickness of the first thin film vacuum insulation layer 110 or the second thin film vacuum insulation layer 120 used in the present invention is generally 0 to 30 mm in the case of the conventional single layer vacuum insulation material used for construction, mm to 2 mm or less, preferably 1 to 2 mm. Thus, even when a plurality of thin film vacuum insulating layers are laminated, the total thickness can be made not to exceed 30 mm. For example, assuming that the thickness of the first thin film vacuum insulation layer 110 or the second thin film vacuum insulation layer 120 is 2 mm, assuming that the thickness of the adhesive layer 211 interposed therebetween is 0.5 mm, Layer vacuum insulation layer can be made smaller than the thickness of a conventional single-layer vacuum insulation layer.

제1 박막 외피재(111) 또는 제2 박막 외피재(121)는 스테인레스 극박판을 사용할 수 있는데, 제1 박막 외피재(111) 또는 제2 박막 외피재(121)를 금속재료로 사용하게 되면 가스를 거의 투과시키지 않기 때문에 진공 유지가 양호하고, 단열 성능의 저하도 줄일 수 있다. 스테인레스 극박판은 그 두께가 보통 50~80㎛ 정도이다. 한편, 제1 박막 외피재(111) 또는 제2 박막 외피재(121)는 폴리머 필름과 알루미늄 호일을 다층으로 구성하여 사용할 수도 있다.The first thin film envelope material 111 or the second thin film envelope material 121 may be a stainless steel thin plate. If the first thin film envelope material 111 or the second thin film envelope material 121 is used as a metal material Since the gas is hardly transmitted, the vacuum holding is good and the deterioration of the heat insulating performance can be reduced. The thickness of the stainless steel thin plate is usually about 50 to 80 占 퐉. On the other hand, the first thin film envelope material 111 or the second thin film envelope material 121 may be composed of a multilayer of a polymer film and an aluminum foil.

제1 심재(112) 또는 제2 심재(122)로는 유리섬유(fiberglass), SiO2 파우더, 에어로겔(Aerogel), PE 폼(foam), PS 폼(foam) 등을 사용할 수 있다.The first core member 112 or the second core member 122 may be formed of fiberglass, SiO 2 powder, Aerogel, PE foam, PS foam, or the like.

제1 박막 진공단열층(110) 또는 제2 박막 진공단열층(120)의 제조는, 심재인 유리섬유를 일정시간 가열 및 적정 두께로 가압하는 단계, 가압 적층된 유리섬유를 다층 외피재로 감싸는 단계, 그리고 심재를 감싸고 있는 다층 필름 내부에 유기물 가스나 수분을 흡착하는 게터제를 삽입하여 진공 배기하는 단계 등의 과정을 거치게 된다.The first thin film vacuum insulation layer 110 or the second thin film vacuum insulation layer 120 can be manufactured by heating glass fibers as a core material for a predetermined period of time and pressing them to an appropriate thickness, wrapping the pressure-laminated glass fibers with a multi- A step of inserting an organic gas or a getter agent for adsorbing moisture into the multilayered film surrounding the core material and vacuum evacuation.

제1 박막 진공단열층(110)과 제2 박막 진공단열층(120)이 준비되면, 제1 박막 진공단열층(110) 또는 제2 박막 진공단열층(120)의 일 표면에 접착제층(211를 도포하고, 결합하고자 하는 다른 제1 박막 진공단열층(110) 또는 제2 박막 진공단열층(120)을 그 위에 포갠 후 서로 결합시킨다. 접착제층으로 사용되는 접착제로는 에폭시, 우레탄, EVA, 실리콘, 고무 등의 유/무기 접착제를 사용하거나 양면 테이프를 사용할 수 있다.
When the first thin film vacuum insulation layer 110 and the second thin film vacuum insulation layer 120 are prepared, an adhesive layer 211 is applied to one surface of the first thin film vacuum insulation layer 110 or the second thin film vacuum insulation layer 120, The other first thin film vacuum insulation layer 110 or the second thin film vacuum insulation layer 120 to be bonded is placed on the first thin film vacuum insulation layer 110 and bonded to each other. The adhesive used as the adhesive layer may be an epoxy, urethane, EVA, / Use inorganic adhesive or double-sided tape.

도2b는 본 발명에 따른 제2 실시예인 3층 박막 진공단열재를 도시하고 있다.FIG. 2B illustrates a three-layer thin film vacuum insulation material according to a second embodiment of the present invention.

도2b에 도시한 바와같이, 3층 박막 진공단열재는 3개의 박막 진공단열층을 포갠 형태로 구성되어 있다. 제1 박막 진공단열층(110)은 제1 박막 외피재(111)와 제1 심재(112)로 구성되고, 제2 박막 진공단열층(120)은 제2 박막 외피재(121)와 제2 심재(122)로 구성되며, 그리고 제3 박막 진공단열층(130)은 제3 박막 외피재(131)와 제3 심재(132)로 구성된다. 제1 박막 진공단열층(110)과 제2 박막 진공단열층(120)의 사이, 그리고 제2 박막 진공단열층(120)과 제3 박막 진공단열층(130)의 사이에는 접착제층(211,212)이 개재되어, 제1 박막 진공단열층(110)과 제2 박막 진공단열층(120), 그리고 제2 박막 진공단열층(120)과 제3 박막 진공단열층(130)을 각각 결합시킨다.
As shown in FIG. 2B, the three-layer thin-film vacuum insulation panel is formed by covering three thin-film vacuum insulation layers. The first thin film vacuum insulation layer 110 is composed of the first thin film envelope material 111 and the first core material 112 and the second thin film vacuum insulation layer 120 is composed of the second thin film envelope material 121 and the second core material 122 and the third thin film vacuum insulation layer 130 is composed of a third thin film envelope material 131 and a third core material 132. Adhesive layers 211 and 212 are interposed between the first thin film vacuum insulating layer 110 and the second thin film vacuum insulating layer 120 and between the second thin film vacuum insulating layer 120 and the third thin film vacuum insulating layer 130, The first thin film vacuum insulation layer 110 and the second thin film vacuum insulation layer 120 and the second thin film vacuum insulation layer 120 and the third thin film vacuum insulation layer 130 are bonded to each other.

도2a와 도2b에서, 각각 2층과 3층으로 적층된 다층 박막 진공단열재를 도시하고 설명하였으나, 4개 이상의 박막 진공단열층이 적층된 다층 박막 진공단열재로 구성할 수도 있다.
In FIGS. 2A and 2B, the multilayer thin film vacuum insulation material laminated in two layers and three layers, respectively, has been shown and described, but it may also be composed of a multilayer thin film vacuum insulation material in which four or more thin vacuum insulation layers are laminated.

2층, 3층, 4층, 그리고 그 이상의 층들을 구성하는 박막 진공단열층들은 각각 0 W/mK 초과 0.01 W/mK 이하의 열전도율을 갖도록 선택될 수 있다. 박막 진공 단열층의 전도율 선택은 설치 용도, 가격, 내구성 등이 고려될 수 있다.
The thin film vacuum insulation layers constituting the two-layer, three-layer, four-layer, and further layers may be selected to have a thermal conductivity of greater than 0 W / mK and less than 0.01 W / mK, respectively. The choice of the conductivity of the thin film vacuum insulation layer can be considered for installation purposes, price, durability, and the like.

한편, 다층 박막 진공단열재는 그 측면을 블록화 형태로 고정할 수 있다. 이러한 다층 박막 진공단열재의 블록화에는 다층 박막 진공단열재의 측면을 테이프나 고정틀을 이용하여 고정하는 방법 등이 사용될 수 있다.
On the other hand, the multilayer thin film vacuum insulator can fix the side surface thereof in the form of a block. In order to block the multilayer thin film vacuum insulation material, a method of fixing the side surface of the multilayer thin film insulation material by using a tape or a fixed frame can be used.

도3a 내지 도3c는 본 발명에 따른 다층 박막 진공단열재의 측면을 도시하고 있다. 도3a는 다층 박막 진공단열재의 측면을 요철 형상으로 구성한 예이고, 도3b와 도3c는 다층 박막 진공단열재의 측면을 계단 형상으로 구성한 예를 도시하고 있다 3A to 3C show side views of a multilayer thin film vacuum insulator according to the present invention. 3A shows an example in which the side surface of the multilayer thin film vacuum insulator is formed in a concavo-convex shape, and FIGS. 3B and 3C show an example in which side surfaces of the multilayer thin film vacuum insulator are formed in a step shape

도3a에 도시한 바와같이, 다층 박막 진공단열재의 측면을 요철 형상으로 구성하면, 설치하는 벽의 넓이에 맞게 다층 박막 진공단열재를 여러 장 결합하여 사용하기 용이하다. 다층 박막 진공단열재의 측면과 측면 사이에는 그 결합을 더 견고히 하기 위해 접착체층이 더 추가될 수 있다.As shown in Fig. 3A, if the side surface of the multilayer thin film vacuum insulation material is formed in a concavo-convex shape, it is easy to use a plurality of multilayer thin film vacuum insulation materials in accordance with the width of the wall to be installed. An adhesive layer may be further added between the side surface and the side surface of the multilayer thin film vacuum insulator to further secure the bonding.

도3b,3c에 도시한 바와같이, 다층 박막 진공단열재의 측면을 계단 형상으로 구성하여도, 여러 장의 다층 박막 진공단열재를 측면으로 넓게 연결하기가 쉬워진다. As shown in Figs. 3B and 3C, even when the side surfaces of the multilayer thin film vacuum insulation material are configured in a step shape, it becomes easy to connect the plural multilayer thin film vacuum insulation materials to the side surface widely.

여기서는, 요철이나 계단 형상을 예로하여 설명하였으나, 이외에도 다른 형상, 예를들어 나사산 형상, 반원 형상 등으로도 구성할 수 있다.
Although the concavo-convex and step-like shapes have been described as an example herein, other shapes, for example, a thread shape, a semicircular shape, and the like can be used.

110: 제1 박막 진공단열층 111: 제1 외피재
112: 제1 심재 120: 제2 박막 진공단열층
121: 제2 외피재 122: 제2 심재
211: 접착제층110: first thin film vacuum insulation layer 111: first cover material
112: first core member 120: second thin film vacuum insulating layer
121: second casing member 122: second core member
211: adhesive layer

Claims (8)

진공단열재에 있어서,
제1 박막 진공단열층;
상기 제1 박막 진공단열층에 적층되는 제2 박막 진공단열층; 및
상기 제1 박막 진공단열층과 상기 제2 박막 진공단열층의 사이에 게재되는 접착제층을 포함하는 것을 특징으로 하는 다층 박막 진공단열재.In the vacuum insulation material,
A first thin film vacuum insulation layer;
A second thin film vacuum insulation layer laminated on the first thin film vacuum insulation layer; And
And an adhesive layer disposed between the first thin film vacuum insulation layer and the second thin film vacuum insulation layer. 제1항에 있어서, 상기 제2 박막 진공단열층은
2개 이상의 박막 진공단열층으로 분리되고, 상기 2개 이상의 박막 진공단열층 사이에는 접착제층이 게재되는 것을 특징으로 하는 다층 박막 진공단열재.The method of claim 1, wherein the second thin film vacuum insulation layer
Wherein at least two thin film vacuum insulating layers are separated from each other and an adhesive layer is disposed between the at least two thin film vacuum insulating layers. 제1항 또는 제2항에 있어서, 상기 박막 진공단열층들은
각각 0 mm 초과 2 mm 이하의 두께를 가지는 것을 특징으로 하는 다층 박막 진공단열재.3. A method according to claim 1 or 2, wherein said thin film vacuum insulation layers
Each having a thickness of more than 0 mm but not more than 2 mm. 제3항에 있어서, 상기 박막 진공단열층들은
각각 0 W/mK 초과 0.01 W/mK 이하의 열전도율을 가지는 것을 특징으로 하는 다층 박막 진공단열재.The method of claim 3, wherein the thin film vacuum insulation layers
Wherein the thermal insulation layer has a thermal conductivity of 0 W / mK or more and 0.01 W / mK or less, respectively. 제1항에 있어서, 상기 다층 박막 진공단열재는
측면이 계단 형태를 가지는 것을 특징으로 하는 다층 박막 진공단열재.The method according to claim 1, wherein the multilayer thin film vacuum insulator
Wherein the side surface has a stepped shape. 제2항에 있어서, 상기 다층 박막 진공단열재는
측면이 요철 형태를 가지는 것을 특징으로 하는 다층 박막 진공단열재.The method according to claim 2, wherein the multilayer thin film vacuum insulator
Wherein the side surface has a concavo-convex shape. 제1항 또는 제2항에 있어서, 상기 다층 박막 진공단열재는
측면을 고정하여 블록화한 것을 특징으로 하는 다층 박막 진공단열재.3. The method according to claim 1 or 2, wherein the multilayer thin film vacuum insulator
Wherein the side walls are fixed and blocked. 제7항에 있어서, 상기 다층 박막 진공단열재는
측면을 테이프로 고정하여 블록화한 것을 특징으로 하는 다층 박막 진공단열재.The method according to claim 7, wherein the multilayer thin film vacuum insulator
Wherein the side walls are fixed with a tape to block the multi-layer thin film vacuum insulation material.
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