JP2006308065A

JP2006308065A - Vacuum heat insulating material

Info

Publication number: JP2006308065A
Application number: JP2005156344A
Authority: JP
Inventors: Keiji Sakamoto; 慶二阪本
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-04-26
Filing date: 2005-04-26
Publication date: 2006-11-09

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum heat insulating material formed of a metal plate, having improved heat insulating performance, good joining property and improved outside air pressure resistance when joined in numbers, and having an improved external mounting assembling appearance when used for a refrigerator casing. <P>SOLUTION: The vacuum heat insulating material formed of the metal plate has vacuum heat insulating parts mutually superimposed in a plurality of combined joint parts for reducing heat conduction. Seal materials are inserted therebetween for improving air tightness and joining property. A pressure resistant heat insulating material is fixed to an outside air pressure resistant material for reducing heat conduction. An internal heat insulating structural material and an external mounting assembling material are combined for achieving a good external mounting assembling appearance. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、断熱性能が優れている真空断熱材に関するものである。 The present invention relates to a vacuum heat insulating material having excellent heat insulating performance.

請求項１の真空断熱材において、端部接合部における熱伝導による放熱が問題であり、接合部の密閉度を高め堅牢にする必要があり、真空部形成両板は外気圧に耐える構造が必要であるが真空部形成内外板間に外気圧力耐圧材を用いるとき外気圧力耐圧材の熱伝導が問題である。また、従来、ウレタン等、または、アルミニューム、またアルミニュウーム等を蒸着した薄膜内に断熱材を挿入し同部を真空にした断熱材等においては、金属またはプラスチック等、比較的複雑な形状成形が可能で、その形状においても吸湿性が少なく気密性が比較的大きい材料製のケース内に内臓させて用いる要がある。 In the vacuum heat insulating material according to claim 1, heat radiation due to heat conduction at the end joint portion is a problem, and it is necessary to increase the sealing degree of the joint portion and make it robust. However, when an outside air pressure-resistant material is used between the vacuum portion forming inner and outer plates, the heat conduction of the outside air pressure-resistant material is a problem. Conventionally, heat insulation is inserted into a thin film on which urethane or the like, aluminum, or aluminum is deposited, and the same part is evacuated. There is a need to use it in a case made of a material that can be molded and has a low hygroscopic property and a relatively large airtightness.

請求項１の真空断熱材において該材の端部の熱伝導と該材の複数接合部の対策が必要であり、真空部形成内外板の耐外気圧対策時耐外気圧材の熱伝導対策が必要であり、該材を冷蔵庫等に用いる場合、良好に組立て、良好な外観とすることが求められる。 In the vacuum heat insulating material according to claim 1, it is necessary to take measures against heat conduction at the end portion of the material and a plurality of joint portions of the material. It is necessary, and when the material is used for a refrigerator or the like, it is required to be assembled well and to have a good appearance.

請求項１の真空断熱材において該材を複数組合わせる場合、接合部において、真空断熱部が相互に重なる構造とし保温保冷断熱内部から断熱外部に至る距離を長くし熱伝導放熱を少にし、真空断熱部が相互に重なる間にシール材を挿入して気密性を向上させ該材を複数組合接合部構造を溶接または接合金具等により接合が良好に出来る構造とし、この際、断熱材の厚さが小なる本発明に掛かる真空断熱、例えば、厚さ６ミリメートル等の場合断熱材の重なりにより厚さが少なるため重なり構造の採用が可能で、ウレタン断熱等、断熱材厚さが大なるとき重なり部厚さが大となり採用し難く、真空断熱材特有の事項となる。 When a plurality of the materials are combined in the vacuum heat insulating material according to claim 1, the heat insulating heat radiation is reduced by increasing the distance from the inside of the heat insulation and heat insulation to the outside of the heat insulation by making the vacuum heat insulation portions overlap each other at the joint. Insert a sealing material while the heat insulation parts overlap each other to improve the airtightness, and make the material a structure that can be joined well by welding or joining metal fittings, etc. The thickness of the heat insulation material In the case of vacuum insulation according to the present invention in which the thickness is small, for example, when the thickness is 6 millimeters, the thickness is reduced due to the overlap of the heat insulation materials, so that an overlapping structure can be adopted, and the heat insulation material thickness such as urethane heat insulation is large The overlapping part thickness is large and difficult to adopt, which is a matter specific to vacuum heat insulating materials.

さらに、真空部形成内外板間に外気圧力耐圧材を用いるに際して、断熱性塗料にガラス繊維またはセラミック繊維を混入した耐圧力性断熱材を固着した金属等の高剛性外気圧力耐圧材を用いるか、または高剛性外気圧力耐圧材が接する真空部形成内外板部分に耐圧力性断熱材を固着して熱伝導を少にする。
請求項１の真空断熱材を冷凍冷蔵庫等に用いる場合、請求項１の真空断熱材を保冷保温側に用い、すなわち、内部断熱構造材とし、その外側に外部外装組立材として木材を用い、内部断熱構造材と外部外装組立材各々の特徴を活用して該材を、より良好にする。この際、木材以外のプラスックを用いることも可能である。Furthermore, when using an outside pressure pressure resistant material between the vacuum part forming inner and outer plates, use a highly rigid outside pressure pressure resistant material such as a metal to which a pressure resistant heat insulating material mixed with glass fiber or ceramic fiber is fixed to a heat insulating paint, or Alternatively, the pressure-resistant heat insulating material is fixed to the inner and outer plate portions of the vacuum portion forming contact with the high-rigidity outside air pressure-resistant material to reduce heat conduction.
When the vacuum heat insulating material according to claim 1 is used for a refrigerator-freezer or the like, the vacuum heat insulating material according to claim 1 is used on a cold insulation side, that is, an internal heat insulating structural material, and wood is used as an external exterior assembly material on the outside thereof. Utilizing the characteristics of each of the heat insulating structural material and the external exterior assembly material, the material is made better. At this time, it is also possible to use a plastic other than wood.

以上、内部断熱構造材を用いて製作する冷蔵庫等において外装外部材に木材を用いる場合、廃却時、内部材は焼却物等が少なくリサイクルに適し、外部材は、焼却容易で、その際、地球環境への影響が少ない等の利点があり、よって、本真空断熱材の活用拡大を計る。 As described above, when using wood as an exterior outer member in a refrigerator or the like manufactured using an internal heat insulating structural material, at the time of disposal, the inner member is suitable for recycling with little incineration, etc., and the outer member is easy to incinerate, There are advantages such as less impact on the global environment. Therefore, the use of this vacuum heat insulating material will be expanded.

断熱性能良好にして、しかも、外装組み立て等が比較的容易な製品である。 This product has good heat insulation performance and is relatively easy to assemble and so on.

BEST MODE FOR CARRYING OUT THE INVENTION

比較的低温の冷凍冷蔵ケース、冷蔵庫等、また、外装外観の良好を求める製品の断熱材に適している。 It is suitable for heat insulating materials for products that require good exterior appearance, such as relatively low-temperature refrigerated cases and refrigerators.

図１の（ａ）は保温保冷ケース、または、冷蔵庫を示し、（ｂ）は（ａ）の蓋、または、扉を示し、（ｃ）は（ａ）の断面であり、（ｄ）は、（ｂ）の断面を示し、該ケースまたは、冷蔵庫および、その蓋、または、扉を内部断熱構造材８および９と外部外装組立材１３により構成する。図２は図１に用いる請求項１の真空断熱材の４例についての平面、断面、形状を略記である。図３は図１に用いる請求項１の真空断熱材の接合部を示す。 (A) of FIG. 1 shows a heat insulation and cooling case or refrigerator, (b) shows a lid or door of (a), (c) is a cross section of (a), (d) The cross section of (b) is shown, and the case or refrigerator and its lid or door are constituted by the internal heat insulating structural materials 8 and 9 and the external exterior assembly material 13. FIG. 2 is an abbreviation of a plane, a cross section, and a shape of four examples of the vacuum heat insulating material according to claim 1 used in FIG. FIG. 3 shows the joint of the vacuum heat insulating material according to claim 1 used in FIG.

省エネルギー、省資源製品であり、廃却時の焼却物少、リサイクルに適応、外部材は焼却容易で、その際、地球環境への影響が少ない等の利点があり。なお、石油製品の使用を少とする。 It is an energy- and resource-saving product. It has advantages such as low incineration at the time of disposal, adaptability to recycling, and easy incineration of the outer parts, with less impact on the global environment. Use less petroleum products.

（ａ）は、真空断熱材を用いた冷凍冷蔵ケースまたは冷蔵庫筐体である。（ｂ）は、（ａ）の蓋または扉である。（ｃ）は、（ａ）の断面図である。（ｄ）は、（ｂ）の断面図である。(A) is a refrigeration case or a refrigerator housing | casing using a vacuum heat insulating material. (B) is the lid or door of (a). (C) is sectional drawing of (a). (D) is sectional drawing of (b). （ａ）、（ｄ）、（ｇ）、（ｊ）は、請求項１の真空断熱材の例図であり、（ｂ）は、（ａ）の断面図、（ｅ）は、（ｄ）の断面図、（ｈ）は、（ｇ）の断面図、（ｋ）は、（ｊ）の断面図、（ｃ）は、（ａ）の断面形状略図、（ｆ）は、（ｄ）の断面形状略図、（ｉ）は、（ｇ）の断面形状略図、（ｌ）は、（ｊ）の断面形状略図である。(A), (d), (g), (j) is an example figure of the vacuum heat insulating material of Claim 1, (b) is sectional drawing of (a), (e) is (d). (H) is a cross-sectional view of (g), (k) is a cross-sectional view of (j), (c) is a schematic cross-sectional shape of (a), and (f) is a cross-sectional view of (d). (I) is a schematic cross-sectional shape of (g), and (l) is a schematic cross-sectional shape of (j). （ａ）、（ｂ）、（ｃ）は、請求項１の真空断熱材の接合部断面図である。(A), (b), (c) is sectional drawing of the junction part of the vacuum heat insulating material of Claim 1. FIG.

Explanation of symbols

１真空断熱材を用いた冷凍冷蔵ケースまたは冷蔵庫
２真空断熱材を用いた冷凍冷蔵ケース、冷蔵庫等の蓋または扉
３真空断熱材の真空部形成内板
４真空断熱材の真空部形成外板
５真空断熱材接合部の真空断熱重なり部
６真空断熱材接合部シール
７真空断熱材接合部
８真空断熱材の内部断熱構造材、図２（ａ）
９真空断熱材の内部断熱構造材、図２（ｄ）
１１真空断熱材の内部断熱構造材、図２（ｇ）
１２真空断熱材の内部断熱構造材、図２（ｊ）
１３真空断熱材の外部外装組立材
１４耐圧力性断熱材を固着した高剛性外気圧力耐圧材DESCRIPTION OF SYMBOLS 1 Refrigeration / refrigeration case or refrigerator using vacuum heat insulating material 2 Refrigeration / refrigeration case using vacuum heat insulating material, lid or door of refrigerator, etc. 3 Vacuum part forming inner plate 4 of vacuum heat insulating material Vacuum part forming outer plate 5 of vacuum heat insulating material Vacuum insulation overlap part 6 of vacuum insulation material joint 6 Vacuum insulation material seal 7 Vacuum insulation material joint 8 Internal insulation structure material of vacuum insulation material, Fig. 2 (a)
9 Internal heat insulating structural material of vacuum heat insulating material, Fig. 2 (d)
11 Internal heat insulating structural material of vacuum heat insulating material, Fig. 2 (g)
12 Internal heat insulating structural material of vacuum heat insulating material, Fig. 2 (j)
13 External exterior assembly material of vacuum heat insulating material 14 High-rigidity outside air pressure pressure resistant material with pressure-resistant heat insulating material fixed

Claims

Two steel plates such as stainless steel plates, etc. are stacked with a certain gap, and the two plates meet at the end, welded and sealed, and the gap is evacuated. About the vacuum heat insulating structural material with the structure as the formed inner and outer plates, when combining a plurality of such materials, the vacuum heat insulating portion overlaps each other in the joint portion, and the joint portion is welded or welded, or a seal material can be inserted between them. Vacuum heat insulating material characterized by being able to perform good bonding with a bonding metal fitting

2. The vacuum heat insulating material according to claim 1, wherein when using an external air pressure-resistant material between the inner and outer plates forming the vacuum part, a high-rigidity outdoor air such as a metal in which a pressure-resistant heat insulating material mixed with glass fiber or ceramic fiber is fixed to the heat insulating paint. A vacuum heat insulating material, characterized in that a pressure pressure insulating material is used, or a pressure resistant heat insulating material is fixed to the inner and outer plate portions of the vacuum portion forming contact with a high rigidity outdoor air pressure pressure resistant material.

When the vacuum heat insulating material according to claim 1 is used for a refrigerator-freezer or the like, the vacuum heat insulating material according to claim 1 is used on a cold insulation side, that is, an internal heat insulating structural material, and wood is used as an external exterior assembly material on the outside thereof. A vacuum heat insulating material characterized by utilizing the characteristics of each of the heat insulating structural material and the external exterior assembly material.