JP2006328950A - Heat insulation work execution method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a heat insulation work execution method not requiring much time and labor. <P>SOLUTION: The heat insulation work execution method comprising the step of installing, on a structural face material, a vacuum heat insulation material made by covering, from the top and bottom sides, a plurality of plate-shaped core materials arranged two-dimensionally without overlapping each other with two flexible sheathing sheets comprising a laminate film to individually seal in vacuum the core materials in independently closed spaces comprises the steps of placing one face of the vacuum heat insulation material 14 opposite to the face of the structural face material 12a onto which the vacuum heat insulation material 14 is to be installed and driving a nail 19 or a bolt to the weld section of the vacuum heat insulation material 14 where the top and bottom sheathing sheets are welded and bonded to each other to fix the vacuum heat insulation material 14 to the structural face material 12a. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a heat insulating construction method for attaching a vacuum heat insulating material to a structural face material.

  In recent years, from the viewpoint of protecting the global environment, energy saving in buildings such as houses has become an important issue as well as home appliances and industrial equipment. Therefore, application of various heat insulating materials and various heat insulating construction methods have been proposed (for example, see Patent Document 1).

  FIG. 28 is a schematic cross-sectional view of a conventional building 1 disclosed in Patent Document 1. As shown in FIG. As shown in FIG. 28, in the conventional building 1 in Patent Document 1, the hard polyurethane foam 2 having a thermal conductivity of 0.020 W / m · K or less as the heat insulating material is the inner part of the outer wall finishing material 3 and the roofing material 4. The heat insulation is ensured by being provided in.

  Since the rigid polyurethane foam 2 is excellent in heat insulation performance, it can be made thin. Therefore, long nails and screws are not required for construction, and construction nails such as five-dimensional nails that are commonly used can be used.

FIG. 29 is a diagram for explaining a conventional heat insulation construction process. In the conventional heat insulation construction process, as shown in the perspective sectional view of the outer wall 1a of the conventional building 1 in FIG. 29, the wooden shaft 7 is assembled on the foundation pillar 6 on the concrete foundation 5, and the structural surface is mounted on the wooden shaft 7. A material 8 is pasted, and a plurality of wood bases 9a are assembled in parallel in the vertical direction. Then, the rigid polyurethane foam 2 is disposed between the respective tree bases 9a, the plywood 10 is pasted on the hard polyurethane foam 2, and a plurality of tree bases 9b are assembled on the plywood 10 in parallel in the vertical direction. The outer wall finishing material 3 is fixed to.
JP 2003-278290 A

  However, in the structure of the conventional building 1, the process which cuts the rigid polyurethane foam 2 and stuffs between each of the several tree bases 9a is required, and construction takes time.

  In view of the above problems, an object of the present invention is to provide a heat insulation construction method for constructing a building without taking time and effort.

  In order to solve the above-mentioned problems and achieve the above-mentioned object, the heat insulation construction method of the present invention comprises a plurality of plate-like core materials arranged in a two-dimensional manner without overlapping, and two flexible outer sheets made of a laminate film. A heat insulating construction method of attaching a vacuum heat insulating material covered from above and below with a workpiece and individually vacuum-sealing each core material in an independent space to the structural surface material, wherein the vacuum in the structural surface material Heat welding where one surface of the vacuum heat insulating material is opposed to the surface on the side where the heat insulating material is attached, and the upper and lower outer jacket materials in the vacuum heat insulating material are melted and bonded together from the vacuum heat insulating material side. This is a heat insulation construction method for fixing the vacuum heat insulating material to the structural face material by driving a nail or a screw into the part.

  According to the present invention, a plurality of plate-like core members arranged in a two-dimensional manner without overlapping are individually vacuum-sealed in an independent space on the surface of the structural face material to which the vacuum heat insulating material is attached. The heat insulation construction is completed by placing one surface of the vacuum insulation material facing each other and driving nails or screws into the vacuum insulation material, and the process of cutting and filling the foam insulation material or the process of building a wood base on the foam insulation material Can be eliminated. Therefore, the amount of tree ground used can be reduced as a whole. Moreover, since the coverage of the vacuum heat insulating material with respect to a building becomes large, the heat insulation of a building increases. In addition, since the nail or screw is driven from the vacuum heat insulating material side into the heat-welded portion where the upper and lower jacket materials of the vacuum heat insulating material are melted and bonded together, the nail or screw is attached to the core of the vacuum heat insulating material. No piercing occurs. Even if a nail or a screw pierces one of the core members, the degree of vacuum of the other core members is not deteriorated, and the heat insulation performance as a whole is ensured. In addition, the number of operations for providing the vacuum heat insulating material on the structural face material is reduced compared to the case where a plurality of vacuum heat insulating materials having a single core material are provided on the structural face material, and the vacuum heat insulating material is provided on the structural face material. Since there is no need to adjust the interval between the plurality of core members and the positional relationship between the plurality of core members each time, the heat insulation work is easy.

  Further, another heat insulation construction method of the present invention covers a plurality of plate-like core materials arranged two-dimensionally without overlapping with two flexible jacket materials made of a laminate film, A heat insulating construction method for attaching a vacuum heat insulating material individually vacuum-sealed in a space where the core material is independent to a structural face material, the surface of the structural face material on the side where the vacuum heat insulating material is attached One surface of the vacuum heat insulating material is made to face, and a plurality of wood bases are arranged to face the vacuum heat insulating material, and the outer sides of the vacuum heat insulating material above and below the vacuum heat insulating material through the wood base from the vacuum heat insulating material side. In the heat insulation construction method of fixing the wood substrate and the structural face material with the vacuum heat insulating material sandwiched between them by driving a nail or a screw into the heat welded part where the workpieces are melted by heat and bonded. is there.

  According to the present invention, a plurality of plate-like core members arranged in a two-dimensional manner without overlapping are individually vacuum-sealed in an independent space on the surface of the structural face material to which the vacuum heat insulating material is attached. One side of the vacuum heat insulating material is made to face, and a plurality of wood bases are arranged to face the vacuum heat insulating material, and heat insulation work is performed by driving nails or screws into the vacuum heat insulating material through the wood base. When completed, the process of cutting and filling the foam insulation and the process of assembling the wood substrate on the foam insulation can be eliminated. Therefore, the amount of tree ground used can be reduced as a whole. Moreover, since the covering ratio of the vacuum heat insulating material to the building is increased by arranging the wood base so as to face the vacuum heat insulating material, the heat insulating property of the building is enhanced. Moreover, since the nail or the screw is driven from the vacuum heat insulating material side into the heat-welded portion where the upper and lower outer jacket materials of the vacuum heat insulating material are melted and bonded together through the wood substrate, the core material of the vacuum heat insulating material There is no piercing of nails or screws. Even if a nail or a screw pierces one of the core members, the degree of vacuum of the other core members is not deteriorated, and the heat insulation performance as a whole is ensured. In addition, the finishing material can be fixed to the wood substrate. In addition, the number of operations for providing the vacuum heat insulating material on the structural face material is reduced compared to the case where a plurality of vacuum heat insulating materials having a single core material are provided on the structural face material, and the vacuum heat insulating material is provided on the structural face material. Since there is no need to adjust the interval between the plurality of core members and the positional relationship between the plurality of core members each time, the heat insulation work is easy.

  At this time, you may make it the magnitude | size or shape of the said several core material of a vacuum heat insulating material differ. Since the vacuum heat insulating material can be bent flexibly by dividing the core material, the degree of freedom regarding the bending can be adjusted by changing the size or shape of the core material.

  In the vacuum heat insulating material, it is preferable that an upper portion and a lower portion of a portion of the jacket material that does not sandwich the core material are bonded to the core material. In this case, since the upper part and the lower part of the part of the jacket material that does not sandwich the core material are joined up to the core material, the fin part without the core material on the outer peripheral part of the vacuum heat insulating material (non- The width of the core material part) and the width of the non-core material part between the adjacent core material and the core material can be reduced, the area ratio of the core material part occupying the surface of the vacuum heat insulating material is increased, and the heat insulation effect is enhanced. Can do.

  One surface of the vacuum heat insulating material facing one surface of the structural surface material is smooth with no surface irregularities formed between a portion where the jacket material faces the core material and a portion which does not face the core material. The other surface of the vacuum heat insulating material may be uneven with a portion where the jacket material faces the core material and a portion which does not face the core material. In this case, since the surface of the vacuum heat insulating material facing the structural surface material is smooth, the vacuum heat insulating material can be easily fixed to the structural surface material with an adhesive or the like, and the adhesive strength can be increased. In addition, since the surface opposite to the surface facing the structural face material in the vacuum heat insulating material is uneven with the portion where the outer cover material faces the core material and the portion not facing, When nailing or screwing a structural face material from the vacuum heat insulating material side, care can be taken not to hit the top of the part where the core material is present based on the unevenness.

  The plurality of vacuum heat insulating materials may be integrated with the structural face material in a stacked state. In this case, it is preferable that the plurality of vacuum heat insulating materials are laminated so that the core material does not overlap. When the size and number of the vacuum heat insulating materials are adjusted in this configuration, the core material can be positioned on the entire surface of the structural surface material, so that the heat insulating effect can be improved.

  Further, at this time, among the plurality of laminated vacuum heat insulating materials, the vacuum heat insulating material located at the end in the stacking direction has a surface opposite to the surface where the vacuum heat insulating materials face each other, and the jacket material. The surface facing the core material and the portion not facing the surface may be smooth and the surface may be smooth. In this case, the surface facing the structural face material in the plurality of laminated vacuum heat insulating materials Since it is smooth, it is easy to fix the vacuum heat insulating material to the structural face material with an adhesive or the like, and the adhesive strength can be increased. Moreover, since the surface at the side of the anti-structural face material in the plurality of laminated vacuum heat insulating materials is smooth, handling is easy.

  Further, at this time, the plurality of laminated vacuum heat insulating materials have unevenness between the surface where the vacuum heat insulating materials face each other and the portion where the outer cover material faces the core material and the portion which does not face the core material. In this case, if the opposing concavities and convexities engage well, the proportion of the vacuum heat insulating material in the space in which the vacuum heat insulating material is provided can be increased and the heat insulating effect can be improved.

  The vacuum heat insulating material has a jacket material for covering the core material from above and below and sealing it in a vacuum, and the jacket material includes a metal vapor deposition layer located on one surface side of the core material. It is preferable to be comprised by 1 laminate film and the 2nd laminate film containing the metal foil layer located in the other surface side of the said core material. Since the heat capacity of the metal foil layer is different from that of the metal deposition layer, heat leakage that occurs through the adhesive surface of the two laminate films that occurs when applying vacuum insulation (transfer of heat from the high temperature surface to the low temperature surface of the vacuum insulation material) Can be suppressed. In particular, when a plurality of core materials are present, the ratio of the adhesive surfaces of the two laminate films is large, and the effect of preventing the influence of heat leakage is increased.

  The first laminate film preferably includes a polyacrylic acid resin layer provided on a surface of the metal vapor deposition layer far from the core material. Since the polyacrylic resin layer itself has a high gas barrier property, providing a polyacrylic acid resin layer on the metal vapor deposition layer is more than expected from the gas barrier properties when each is used as a single layer. Gas barrier properties are improved. This is because, in a metal vapor deposition single layer, cracks are likely to occur when laminating or when it is used as a construction member in a part where bending occurs, but the metal vapor deposition layer is protected by protecting the metal vapor deposition layer with a polyacrylic resin. It is because the crack which arises can be prevented. Therefore, the heat insulation performance of the vacuum heat insulating material can be maintained over a long period by this configuration.

  The vacuum heat insulating material has a jacket material for covering the core material from above and below and sealing it in a vacuum, and the jacket material is located on one surface side of the core material, and has a first metal vapor deposition layer. A first laminated film including the second laminated film including a second metal vapor-deposited layer located on the other surface side of the core material, and the first laminate film is formed of the first metal vapor-deposited layer. A polyacrylic acid resin layer provided on the surface far from the core material, and the second laminate film is formed on the surface of the second metal vapor deposition layer far from the core material. It is preferable that the polyacrylic acid-based resin layer provided on is included. In this configuration, since both surfaces of the jacket material are metal vapor-deposited layers having a small heat capacity, it is possible to greatly suppress heat leakage that occurs through the adhesive surface. Furthermore, since the jacket material has a laminate film composed of a metal vapor deposition layer provided with a polyacrylic acid resin layer having a high gas barrier property, the heat insulating performance of the heat insulating material can be maintained over a long period of time.

  The vacuum heat insulating material and the structural surface material have through holes in the thickness direction, and the vacuum heat insulating material and the structural surface material are integrated in a state where the through holes overlap each other. Good. In this case, a facility such as a ventilation fan that needs to penetrate inside and outside the building can be installed.

  Furthermore, it is preferable to provide a waterproof sheet provided on the outer surface of the vacuum heat insulating material. With such a configuration, external moisture can be prevented from entering the inside of the vacuum heat insulating material, and deterioration of the heat insulating performance due to an increase in the internal pressure of the core material can be suppressed.

  Furthermore, it is preferable to provide a moisture-proof and airtight sheet provided on the outer surface of the structural face material. With such a configuration, especially in winter, high-temperature air containing a lot of moisture in the building prevents contact with the cold wall outside the vacuum heat insulating material to cause dew condensation.

  In addition, depending on the climatic conditions of the area where the building is constructed and the usage of each room in the building, the building to be insulated may be insulated using a plurality of vacuum insulation materials with different thicknesses. In that case, the heat loss coefficient in each part of the building can be optimized.

  In addition, for buildings to be heat-insulated, heat insulation is performed by using multiple vacuum heat insulating materials with different core area ratios according to the climatic conditions of the area where the building is to be constructed and the usage of each room in the building. In that case, it is possible to optimize the heat insulating effect of the vacuum heat insulating material.

  Moreover, the vacuum heat insulating material used in the heat insulation construction method of the present invention is a sheet-like vacuum heat insulating material in which a plurality of core materials are sealed in a vacuum, and is held in a rolled state. But it ’s okay. As a result, even if the vacuum insulation material is cut to a desired size, the effect of the broken bag (deterioration of the degree of vacuum) due to the cutting is not affected by the cut portion, and the vacuum insulation material is discarded. It is possible to cut out with less parts.

  Further, the vacuum heat insulating material used in the heat insulating construction method of the present invention is a flat vacuum heat insulating material in which a porous core material is sealed in a vacuum, and an adhesive layer is provided on the surface, and the adhesive layer A release paper is provided on the top. As a result, the operator can easily attach the vacuum heat insulating material of a predetermined size to a desired site simply by peeling the release paper.

  Furthermore, the vacuum heat insulating material used in the heat insulation construction method of the present invention is a flat vacuum heat insulating material in which a plurality of core materials that are porous bodies are sealed in a vacuum, and is provided with marks at predetermined intervals. Yes. Since the size can be easily understood by using the mark, the operator can easily cut out the vacuum heat insulating material having a desired size at the construction site of the building. Moreover, even if the vacuum heat insulating material used with the heat insulation construction method of the present invention is cut to a desired size, the effect of bag breakage (deterioration of vacuum) due to being cut extends to parts other than the cut part. No.

  According to the present invention, a plurality of plate-like core members arranged in a two-dimensional manner without overlapping are individually vacuum-sealed in an independent space on the surface of the structural face material to which the vacuum heat insulating material is attached. The heat insulation construction is completed by placing one surface of the vacuum insulation material facing each other and driving nails or screws into the vacuum insulation material, and the process of cutting and filling the foam insulation material or the process of building a wood base on the foam insulation material Can be eliminated. Therefore, the amount of wood substrate used can be reduced as a whole, and a heat insulation construction method for constructing a building without trouble can be provided. Moreover, since the coverage of the vacuum heat insulating material with respect to a building becomes large, the heat insulation of a building increases. In addition, since the nail or screw is driven from the vacuum heat insulating material side into the heat-welded portion where the upper and lower jacket materials of the vacuum heat insulating material are melted and bonded together, the nail or screw is attached to the core of the vacuum heat insulating material. No piercing occurs. Even if a nail or a screw pierces one of the core members, the degree of vacuum of the other core members is not deteriorated, and the heat insulation performance as a whole is ensured.

  The best mode for carrying out the present invention will be described below with reference to the drawings. In this case, the same components as those described in the background art are denoted by the same reference numerals, and detailed description thereof is omitted. Similarly, in the later embodiments of the plurality of embodiments, the same components as those described in the previous embodiments are denoted by the same reference numerals, and detailed description thereof is omitted. In addition, this invention is not limited by embodiment shown below.

(Embodiment 1)
1 is a schematic sectional view of a building 11 according to the first embodiment, FIG. 2 is a perspective sectional view of an outer wall portion 11a of the building 11, FIG. 3 is a sectional view of the outer wall portion 11a of the building 11, and FIG. FIG. 5 is a cross-sectional view taken along the line AA ′ of the vacuum heat insulating material 14 constituting the building member 12 of FIG. 4.

  As shown in FIG. 1, the building 11 in Embodiment 1 is insulated by providing the building members 12 on the outer wall finishing material 3 and the inner part of the roofing material 4 and the outer part of the floor finishing material 13. The sex is secured.

  In the heat insulation construction process in the first embodiment, as shown in FIG. 2, a wooden shaft 7 is assembled on a base pillar 6 on a concrete foundation 5, a building member 12 is pasted on the wooden shaft 7, and a plurality of tree bottoms are formed thereon. The ground 9b is assembled in parallel in the vertical direction, and the outer wall finishing material 3 is fixed to the wood base 9b.

  As shown in FIG. 3, the building member 12 is a building member in which a plate-like structural surface material 12 a that is a main body and a plate-like vacuum heat insulating material 14 are integrated. The structural surface material 12a and the vacuum heat insulating material 14 are integrated by bonding one surface of the structural surface material 12a and the one surface portion of the vacuum heat insulating material 14 with an adhesive. As shown in FIG. 3, the building member 12 is attached to the wooden shaft 7 so that the vacuum heat insulating material 14 faces the wood substrate 9 b. As shown in FIG. 4, the size of the surface of the vacuum heat insulating material 14 is slightly smaller than the size of the surface of the structural surface material 12a. As shown in FIG. 3, a waterproof sheet 15 is disposed on the vacuum heat insulating material 14 (between the building member 12 and the wood substrate 9b), and above the structural surface material 12a (the building member 12 and the wooden shaft). 7) is provided with a moisture-proof and airtight sheet 16.

  As shown in FIG. 4, the vacuum heat insulating material 14 includes a single core material 17 having a surface slightly smaller than the size of the surface of the vacuum heat insulating material 14. As shown in FIG. 5, the vacuum heat insulating material 14 is obtained by covering a single core material 17 with a jacket material 18 having a gas barrier property and vacuum-sealing it.

  As the material of the core material 17, a material having a high porosity, preferably a porosity of 80% or more, more preferably a porosity of 90% or more is suitable and can be used industrially. There are a body, a foam, a fiber body, etc., and any material is used according to the intended use and required characteristics.

  Examples of the powder include inorganic, organic, and mixtures thereof. Industrially, powders mainly composed of dry silica, wet silica, pearlite, and the like can be used.

  As the foam, open-cell bodies such as urethane foam, styrene foam, and phenol foam can be used.

  Examples of the fiber body include inorganic, organic, and mixtures thereof, but it is preferable to use inorganic fibers from the viewpoint of heat insulation performance. Examples of inorganic fibers include glass wool, glass fiber, alumina fiber, silica alumina fiber, silica fiber, and rock wool.

  The jacket material 18 that constitutes the vacuum heat insulating material 14 has at least a gas barrier layer and a heat-welded layer, and it is necessary to prevent the gas barrier layer from being pinched due to scratches, friction, bending, piercing, or the like. In this case, the laminate film is further provided with a protective layer.

  The heat conductivity of the vacuum heat insulating material 14 is 0.005 W / m · K at an average temperature of 24 ° C., and has a heat insulating performance about five times that of a rigid urethane foam that is a general heat insulating material.

  As described above, in the building 11 according to the first embodiment, the heat insulating construction is completed by simply sticking the building member 12 in which the structural surface material 12a and the vacuum heat insulating material 14 are integrated to the wooden shaft 7. . Thereby, the process of cutting a foam heat insulating material and packing between the wooden bases 9a like the past can be eliminated. Moreover, the amount of wood substrate used can be reduced as a whole. Furthermore, since the vacuum heat insulating material 14 excellent in heat insulating performance is used, the heat insulating property of the building 11 is high, and energy saving is realized.

  In the first embodiment, as shown in FIGS. 2 to 4, a single core having a surface slightly smaller than the surface of the vacuum heat insulating material 14 between the wooden shaft 7 and the tree ground 9 b. A building member 12 including a vacuum heat insulating material 14 having a material 17 is arranged. Thereby, the coverage of the vacuum heat insulating material 14 with respect to the building 11 becomes large, and the heat insulation of the building 11 increases.

  Moreover, in Embodiment 1, as shown in FIG. 3, since the waterproof sheet 15 is arrange | positioned on the vacuum heat insulating material 14, it is prevented that an external water | moisture content permeates into the inside of the vacuum heat insulating material 14, The deterioration of the heat insulation performance due to the increase in the internal pressure of the core material 17 can be suppressed.

  Moreover, in Embodiment 1, as shown in FIG. 3, the moisture-proof airtight sheet | seat 16 is arrange | positioned on the structural surface material 12a of the structural member 12, ie, between the structural surface material 12a and the wooden shaft 7. As shown in FIG. Yes. Thereby, it is possible to prevent a phenomenon in which high-temperature air containing a lot of moisture inside the building 11 is condensed on the boundary surface between the structural surface material 12 a and the vacuum heat insulating material 14.

  Moreover, when the heater is provided under the floor, it is preferable that the building member 12 is provided outside the heater in order to improve the heat radiation efficiency from the heater.

(Embodiment 2)
FIG. 6 is an external view of the building member 12 according to the second embodiment, and FIG. 7 is a view showing a state in which the wood substrate 9b is assembled on the building member 12. FIG.

  As shown in FIG. 6, the building member 12 used for the building 11 in the second embodiment is a building member in which a structural surface material 12 a and a plurality of vacuum heat insulating materials 14 are integrated. More specifically, the structural face material 12a and the plurality of vacuum heat insulating materials 14 having a size smaller than the size of the surface of the structural face material 12a are formed on the structural face material 12a. The vacuum heat insulating materials 14 are integrated in a two-dimensional arrangement without overlapping each other.

  As shown in FIG. 7, the building member 12 and the wood substrate 9 b are fixed by driving nails 19 so as to avoid the core material 17 of the vacuum heat insulating material 14. It is also possible to fix with a screw instead of the nail 19. Although not shown in FIG. 7, as in the first embodiment, a waterproof sheet 15 is arranged on the vacuum heat insulating material 14, and the structural surface material 12a (the building member 12 and the wooden shaft 7). It is preferable to arrange the moisture-proof and airtight sheet 16 between the two. At this time, it is desirable that the position of the core material is known so that the core material 17 of the vacuum heat insulating material 14 can be avoided.

  As described above, when the building member 12 in which the structural surface material 12a and the plurality of vacuum heat insulating materials 14 are integrated is used for the building 11, the core of any of the vacuum heat insulating materials 14 in the construction of the building 11 is used. Even if the nail 19 is struck on the material 17, the vacuum degree of the other vacuum heat insulating material 14 does not deteriorate, and the deterioration of the heat insulating performance of the building member 12 as a whole can be suppressed.

(Embodiment 3)
8 is an external view of the building member 12 according to the third embodiment, FIG. 9 is a cross-sectional view taken along line BB ′ of the vacuum heat insulating material 20 constituting the building member 12 of FIG. 8, and FIG. It is a figure which shows the state which assembled the tree base 9b on the top.

  As shown in FIG. 8, the building member 12 used in the building 11 in the third embodiment is a building member in which the structural surface material 12 a and the vacuum heat insulating material 20 are integrated.

  The vacuum heat insulating material 20 is obtained by covering a plurality of core members 17 of the same size in a two-dimensional arrangement without overlapping from above and below with two jacket members 18 and vacuum-sealing them. . In the vacuum heat insulating material 20, since the core material 17 does not exist between the upper and lower jacket materials 18, almost all the portions where the upper and lower jacket materials 18 can be in close contact with each other at atmospheric pressure become the heat-welded portions 21 of the jacket material 18. Each core member 17 is individually vacuum sealed. The heat welding part 21 is a part where the upper part and the lower part of the jacket material 18 are melted and joined by heat, and each core member 17 is present in an independent space. Here, “almost all” is not expressed as “all”, but the size and shape of the two outer cover materials 18 are slightly different from each other, and the size of the outer cover material 18 and the heat welding apparatus is different. This is because, depending on the shape deviation, heat welding may not be possible until the edge of the outer peripheral edge of the vacuum heat insulating material 20 or it may not be purposely heat-welded, and the vacuum heat insulating material in the heat welding apparatus. This is because, depending on the followability (flexibility) to the shape of the core material at the portion where 20 is heated and pressed, heat welding may not be possible until the last minute of the core material.

  As shown in FIG. 9, the jacket material 18 of the vacuum heat insulating material 20 has a laminate structure, and in order from the core material 17 side, a heat welding layer 22, a gas barrier layer (a metal foil layer 23, a metal vapor deposition layer 24, and The polyacrylic acid resin layer 25) and the protective layer 26 are arranged.

  The heat welding layer 22 is for vacuum-sealing the inside of the jacket material 18 by being heated and pressurized. As the heat welding layer 22, a low density polyethylene film, a chain low density polyethylene film, a high density polyethylene film, a polypropylene film, a polyacrylonitrile film, or a mixture thereof can be used.

  The gas barrier layer prevents air from entering the core material 17 through the outer surface of the jacket material 18. In the third embodiment, the gas barrier layer includes a metal foil layer 23 provided on one surface side of the core material 17 and The metal vapor deposition layer 24 and the polyacrylic acid resin layer 25 provided on the other surface side of the core material 17 are gas barrier layers. The polyacrylic acid resin layer 25 is provided on the metal vapor deposition layer 24.

  The protective layer 26 prevents the outer surface of the jacket material 18 from being damaged by dust, dust, etc., friction, bending, and pinholes in the gas barrier layer due to sticking of a bar-like member such as a nail. As the protective layer 26, a nylon film, a polyethylene terephthalate film, or the like can be used.

  The heat conductivity of the vacuum heat insulating material 20 is 0.005 W / m · K at an average temperature of 24 ° C., and has a heat insulating performance about five times that of a rigid urethane foam that is a general heat insulating material.

  As shown in FIG. 10, the building member 12 and the wood substrate 9 b are fixed by driving nails 19 so as to avoid the core material 17 of the vacuum heat insulating material 20. That is, the nail 19 is driven into the heat-welded portion 21, whereby the wood substrate 9 b is fixed to the building member 12. The wood substrate 9b can be fixed with screws instead of the nails 19. Although not shown in FIG. 10, as in the first embodiment, the waterproof sheet 15 is disposed on the vacuum heat insulating material 20, and the structural surface material 12a (the building member 12 and the wooden shaft 7). It is preferable to arrange the moisture-proof and airtight sheet 16 between the two.

  As described above, in the third embodiment, the vacuum heat insulating material 20 that is vacuum-sealed in a state where each of the plurality of core members 17 exists in an independent space and the structural face material 12a are integrated. The building member 12 is used for the building 11. Therefore, in the construction of the building 11, even if nails or screws are struck on any of the cores 17 of the vacuum heat insulating material 20, the degree of vacuum in the other core materials 17 does not deteriorate, and the vacuum heat insulating material 20 as a whole. The deterioration of the heat insulation performance can be suppressed.

  In the third embodiment, one surface of the jacket material 18 of the vacuum heat insulating material 20 is a laminate film having the metal vapor-deposited layer 24, and the other surface is a laminate film having the metal foil layer 23. The heat capacities of the layer 23 and the metal vapor deposition layer 24 are different. Therefore, the heat leak which generate | occur | produces through the bonding surface of the two laminated films which arises at the time of use of the vacuum heat insulating material 20 can be suppressed. In Embodiment 3, since the vacuum heat insulating material 20 has a plurality of core members 17, the proportion occupied by the adhesive surface of the two laminated films is large, and the heat capacities of the metal foil layer 23 and the metal vapor deposition layer 24 are different. Thus, the effect of preventing the influence of heat leakage is increased.

  Further, in the third embodiment, the polyacrylic acid resin layer 25 is provided on the metal vapor deposition layer 24 of the jacket material 18, and the gas barrier property is improved as compared with the case of the metal vapor deposition layer 24 single layer. The heat insulating performance of the vacuum heat insulating material 20 can be maintained over a long period of time.

  Moreover, in Embodiment 3, all the parts which do not pinch | interpose the core material 17 of the jacket material 18 of the vacuum heat insulating material 20 are heat-welded (reference: heat-welding part 21). Therefore, as shown in FIG. 11 (A), the fin portion (non-core material) at the end of the vacuum heat insulating material 20x when the part 21x of the jacket material 18 that does not sandwich the core material 17 is not thermally welded. 8), the width 21b of the fin portion (non-core material portion) at the end of the vacuum heat insulating material 20 shown in FIG. 8 can be narrowed. Thereby, since the area which the core material 17 accounts in the vacuum heat insulating material 20 surface becomes large, the ratio of the effective heat insulation area of the vacuum heat insulating material 20 surface becomes large, and the heat insulation effect can be improved.

  FIG. 11B is shown to further explain the above contents. 11B is a view for comparison with FIG. 11A, in which the width 21b of the fin portion (non-core material portion) shown in FIG. 11B is set as the fin shown in FIG. It is a figure for demonstrating that it can narrow compared with the width | variety 21bx of a part (non-core material part). As shown in FIG. 11 (B), all the portions of the jacket material 18 that do not sandwich the core material 17 are heat-welded (see: heat-welded portion 21), and heat-welded as shown in FIG. 11 (A). When the non-existing portion 21x does not exist, the width 21b of the fin portion (non-core material portion) shown in FIG. 11B is changed to the fin portion (non-core shown in FIG. It can be narrower than the width 21bx of the material part. Thereby, compared with the vacuum heat insulating material 20x shown in FIG. 11A, the area occupied by the core material 17 on the surface of the vacuum heat insulating material 20y is increased. Therefore, the ratio of the effective heat insulation area of the vacuum heat insulating material 20y surface becomes large, and the heat insulation effect can be improved.

  In the third embodiment, as shown in FIG. 8, the plurality of core members 17 have the same size. However, as shown in FIG. 12, the size of the plurality of core members 17 may be different. For example, the size of the core material 17 in a region where the nail 19 may be driven later is made smaller than that in other regions. As a result, even if the nail 19 is actually driven into any of the core members 17 in the region where the nail 19 may be driven, the area of the core member 17 is small. The plurality of core members 17 are smaller than the same size. In other words, the area of the core material 17 in which the vacuum state is maintained increases. As a result, the heat insulation as the whole vacuum heat insulating material 20 can be maintained in a high state.

  Moreover, since the building member 12 can be bent at the boundary of the core material 17 (heat-welded portion 21), if the area of the core material 17 is reduced, the degree of freedom of bending is improved. In addition, when the area of the core material 17 in a portion that needs to be bent is reduced and the area of the core material 17 in a portion that does not need to be bent is increased, the building member 12 is bent only at a specific portion. It becomes possible.

Moreover, the shape and thickness of the some core material 17 may differ.
Furthermore, as shown in FIG. 13, the building member 12 may be formed by stacking and integrating the vacuum heat insulating material 20a and the vacuum heat insulating material 20b on the structural surface material 12a. At that time, the vacuum heat insulating material 20a and the vacuum heat insulating material 20b are preferably stacked so that the core material 17 does not overlap. By adjusting one or both of the size and number of the core material 17, the vacuum heat insulating material is arranged so that the core material 17 is also located in the portion of the heat welded portion 21 when one vacuum heat insulating material 20 is used. 20a and the vacuum heat insulating material 20b can be integrated with the structural face material 12a in a stacked state. As a result, the heat insulation effect is improved. The vacuum heat insulating material 20 may be integrated with the structural face material 12a in a state where three or more are laminated.

(Embodiment 4)
FIG. 14 is an external view of the building member 12 according to Embodiment 4, and FIG. 15 is a cross-sectional view taken along the line CC ′ of the vacuum heat insulating material 27 constituting the building member 12 of FIG.

  As shown in FIG. 14, the building member 12 used in the building 11 in the fourth embodiment is a building member in which the structural surface material 12 a and the vacuum heat insulating material 27 are integrated.

  The vacuum heat insulating material 27 is obtained by covering a plurality of core materials 17 with a single jacket material 18 and vacuum-sealing them. In the vacuum heat insulating material 27, all portions where the core material 17 does not exist are the heat-welded portions 21 of the jacket material 18, and each core material 17 is individually vacuum-sealed. The heat welding part 21 makes each core material 17 exist in the independent space.

  As shown in FIG. 15, the jacket 18 of the vacuum heat insulating material 27 has a laminate structure, and the heat welding layer 22, the gas barrier layer (the metal vapor deposition layer 24 and the polyacrylic acid resin layer) are sequentially formed from the core material 17 side. 25) and the protective layer 26 is located. The vacuum heat insulating material 27 of the fourth embodiment is the same as the vacuum heat insulating material 20 of the third embodiment except for the configuration of the gas barrier layer.

  The gas barrier layer prevents air from entering the core material 17 through the outer surface of the jacket material 18. In the fourth embodiment, the metal vapor deposition layers 24 and the polyacrylic acid resin on both surfaces of the jacket material 18 are used. Layer 25 is a gas barrier layer. The polyacrylic acid resin layer 25 is provided on the metal vapor deposition layer 24.

  The heat conductivity of the vacuum heat insulating material 27 is 0.005 W / m · K at an average temperature of 24 ° C., and has a heat insulating performance about five times that of a rigid urethane foam that is a general heat insulating material.

  As described above, in the fourth embodiment, the vacuum heat insulating material 27 in which each of the plurality of core members 17 exists in an independent space and is vacuum-sealed, and the structural surface material 12a are integrated. The member 12 is used for the building 11. Since both surfaces of the jacket material 18 of the vacuum heat insulating material 27 are the metal vapor deposition layers 24 having a small heat capacity, the effect of suppressing heat leakage generated through the bonding surface is high, and the heat insulating effect of the vacuum heat insulating material 27 can be enhanced.

(Embodiment 5)
16 is an external view of the building member 12 according to Embodiment 5, and FIG. 17 is a cross-sectional view taken along the line DD ′ of the rigid polyurethane foam 28 constituting the building member 12 of FIG.

  As shown in FIG. 16, the building member 12 used in the building 11 in the fifth embodiment is a building member in which the structural surface material 12 a and the rigid polyurethane foam 28 are integrated.

  As shown in FIG. 17, the rigid polyurethane foam 28 is produced by foaming urethane molecules so as to enclose the vacuum heat insulating material 27 in the fourth embodiment. Note that the rigid polyurethane foam 28 may include any of the vacuum heat insulating materials of the first to third embodiments.

  As described above, in the fifth embodiment, the structural surface material 12a and the rigid polyurethane foam 28 containing the vacuum heat insulating material such as the vacuum heat insulating material 27 described in the fourth embodiment are integrated. The member 12 is used for the building 11. Since the vacuum heat insulating material is not exposed, foreign matter at the construction site and breakage of the vacuum heat insulating material due to poor handling can be suppressed.

  Further, the use of the rigid polyurethane foam 28 further increases the heat insulation performance, and the heat insulation of the building 11 can be further improved.

  Further, the use of the rigid polyurethane foam 28 improves the structural strength of the building member 12, improves the transportability and handling workability, and provides flatness.

  The rigid polyurethane foam 28 is an example of a foam heat insulating material.

(Embodiment 6)
FIG. 18 is an external view of the building member 12 according to the sixth embodiment.
As shown in FIG. 18, the building member 12 used in the building 11 according to the sixth embodiment is provided with the structural surface material 12a in which the through holes 29 are provided in the thickness direction, and the through holes 29 in the same thickness direction. The vacuum heat insulating material 30 is integrated so that the respective through holes 29 overlap.

  In addition, the structure of the vacuum heat insulating material 30 is the same as the vacuum heat insulating material of embodiment described previously except the through-hole 29. FIG. The vacuum heat insulating material of the embodiment described above may be the vacuum heat insulating material 20 or the vacuum heat insulating material 27, or the vacuum heat insulating material 14.

  As described above, in the sixth embodiment, since the building member 12 provided with the through hole 29 is used for the building 11, a facility such as a ventilation fan that needs to penetrate the inside and the outside of the building 11 is provided. It can be installed without degrading the heat insulation.

(Embodiment 7)
FIG. 19 is a schematic cross-sectional view of the building 11 in the seventh embodiment.
As shown in FIG. 19, the building 11 according to the seventh embodiment has the same configuration as that of the above-described embodiment, and includes an inner portion of the wall 31 and the roof 32, and a lower portion of the flooring 33. Construction members 12A, 12B, and 12C shown in FIG. 4 having a configuration in which the vacuum heat insulating material 14 and the structural face material 12a are integrated are disposed.

The thickness of the vacuum heat insulating material 14 is determined so as to obtain a predetermined heat insulating effect.
For example, if the building 11 is located in a cold region, the thickness of the vacuum heat insulating material 14 increases. Moreover, the thickness of the vacuum heat insulating material 14 arrange | positioned by the site | part of the building 11 may differ. In Embodiment 7, the vacuum heat insulating material 14 of the building member 12A has a thickness of 5 mm, the vacuum heat insulating material 14 of the building member 12B has a thickness of 7 mm, and the vacuum heat insulating material 14 of the building member 12C has a thickness of 3 mm. .

  As described above, in the seventh embodiment, the heat insulation degree of the building 11 is designed based on the thickness of the vacuum heat insulating material 14. Therefore, it becomes possible to optimize the heat loss coefficient in each part of the building 11 according to the climatic conditions of the area where the building 11 is constructed, the use of each room in the building 11, and the like. As a result, a building 11 that is comfortable for residents can be constructed.

  The building members 12A, 12B, and 12C may be building members in which the vacuum heat insulating material 20, the vacuum heat insulating material 27, or the vacuum heat insulating material 30 and the structural surface material 12a are integrated.

(Embodiment 8)
FIG. 20 is a schematic cross-sectional view of the building 11 in the eighth embodiment, and FIGS. 21 to 23 are plan views of the vacuum heat insulating material used in the building 11.

  As shown in FIG. 20, the building 11 according to the eighth embodiment has the same configuration as that of the above-described embodiment, and includes an inner portion of the wall 31 and the roof 32, and a lower portion of the flooring 33. Construction members 12D, 12E, and 12F shown in FIG. 8 having a structure in which the vacuum heat insulating material 20 composed of a plurality of core members 17 and the structural face material 12a are integrated are provided.

  The ratio (area ratio) of the area occupied by the core material 17 to the entire surface of the vacuum heat insulating material 20 is determined so as to obtain a predetermined heat insulating effect. The area ratio is determined by the size of the core material 17 and the area of the heat-welded portion 21. The larger the area ratio of the core material 17 portion, the higher the heat insulating property of the building 11.

  For example, if the building 11 is located in a cold region, the area ratio occupied by the core material 17 with respect to the entire surface of the vacuum heat insulating material 20 increases. Further, the area ratio of the 17 parts of the core material of the vacuum heat insulating material 20 to be arranged may vary depending on the part of the building 11.

  FIG. 21 shows the vacuum heat insulating material 20D of the building member 12D, FIG. 22 shows the vacuum heat insulating material 20E of the building member 12E, and FIG. 23 shows the vacuum heat insulating material 20F of the building member 12F. The area ratios are 91.2%, 93.8%, and 80.2%, respectively.

  In addition, it is necessary to determine the area ratio of 17 parts of core materials in consideration of the influence of the broken bag by nailing etc. at the time of construction.

  As described above, in the eighth embodiment, the heat insulation degree of the building 11 is designed in consideration of the area ratio of the core member 17 with respect to the entire surface of the vacuum heat insulating material 20. Therefore, the heat insulation effect of the vacuum heat insulating material 20 can be optimized according to the climatic conditions of the area where the building 11 is constructed, the use of each room in the building, and the like. As a result, a building 11 that is comfortable for residents can be constructed.

(Embodiment 9)
In the third embodiment, the vacuum heat insulating material 20 described with reference to FIGS. 8 and 12 is obtained by covering a plurality of core members 17 with a single jacket material 18 and vacuum-sealing them. Therefore, the vacuum heat insulating material 20 can be easily bent at a portion where the core material 17 does not exist, that is, at the heat welding portion 21.

  Therefore, as shown in FIG. 24, the vacuum heat insulating material 20 can be easily attached in a state of being in close contact with a wall 40 having a curved surface such as a ceiling portion of a dome stadium, for example. FIG. 24 is a cross-sectional view of the vacuum heat insulating material 20 and the wall 40 when the vacuum heat insulating material 20 is attached to a wall 40 having a curved surface. Moreover, the vacuum heat insulating material 20 can be easily attached in the state which contact | adhered not only to the wall 40 which has a curved surface but the part which is not a plane.

  If the structural face material 12a can be deformed, the structural member 12 in which the structural face material 12a and the vacuum heat insulating material 20 are integrated is brought into close contact with a non-planar portion such as a curved wall. Can be easily installed in the state. For example, the building member 12 can be used in a bathroom.

(Embodiment 10)
As shown in FIG. 25, the vacuum heat insulating material 20 may be wound in a roll shape and held so that it can be cut at a desired size. Thereby, the vacuum heat insulating material 20 can be cut out with less parts to be discarded. As described with reference to FIG. 8 and the like, the vacuum heat insulating material 20 includes a plurality of the same-sized core members 17 arranged in a two-dimensional manner without being overlapped by a single jacket member 18. It is obtained by covering and sealing with vacuum. Therefore, even if the vacuum heat insulating material 20 is cut into a desired size, the influence of the broken bag due to the cutting is not exerted on the portions other than the cut portion. Therefore, the vacuum heat insulating material 20 of Embodiment 10 can be cut out in various sizes and shapes.

  In addition, as shown in FIG. 26, the vacuum heat insulating material 20 is provided with an adhesive layer 50 on one upper surface, a release paper 51 is provided thereon, and is wound in a roll shape in that state. Also good. Thereby, the operator can easily attach the vacuum heat insulating material 20 cut into a desired size to a desired site simply by peeling the release paper 51. The adhesive layer 50 and the release paper 51 may be provided on both surfaces of the vacuum heat insulating material 20.

  Moreover, as shown in FIG. 27, the vacuum heat insulating material 20 may be provided with marks 60 at a predetermined interval such as an interval of 30 cm. Since the size can be easily understood by using the mark 60, the operator can easily cut and obtain the vacuum insulating material 20 having a desired size at the construction site of the building 11. The mark 60 may be a perforation or the like.

  In addition, the vacuum heat insulating material and the building member 12 in each embodiment described above can be used not only for a newly built building but also for renovating a building.

  The heat insulation construction method of the present invention is useful when constructing a building in a new construction or renovation. Moreover, the building constructed by the heat insulation construction method of the present invention is useful not only for residential buildings but also for commercial buildings.

Schematic sectional view of the building in the first embodiment Perspective sectional view of the outer wall of the building in the first embodiment Sectional drawing of the outer wall part of the building in Embodiment 1 External view of building members used in building in Embodiment 1 Sectional drawing in the A-A 'line of the vacuum heat insulating material which comprises the building member of FIG. External view of building member in embodiment 2 The perspective view which shows the state which assembled the wooden base on the member for building in Embodiment 2. External view of building member in Embodiment 3 Sectional drawing in the B-B 'line of the vacuum heat insulating material which comprises the building member of FIG. The perspective view which shows the state which assembled the tree base 9b on the member 12 for construction in Embodiment 3. The top view which shows that the width | variety of the fin part (non-core material part) 21b of the edge part of the vacuum heat insulating material 20 can be narrowed. External view of a building member according to a modification of the third embodiment The exploded perspective view of the building member 12 of the modification of Embodiment 3 External view of building member according to Embodiment 4 Sectional drawing in the C-C 'line of the vacuum heat insulating material which comprises the building member of FIG. External view of building member in embodiment 5 Sectional drawing in the D-D 'line of the rigid polyurethane foam which comprises the structural member 12 of FIG. External view of structural face material 12 in the sixth embodiment Schematic sectional view of the building in the seventh embodiment Schematic sectional view of the building in the eighth embodiment Plan view of vacuum heat insulating material in embodiment 8 Plan view of vacuum heat insulating material in embodiment 8 Plan view of vacuum heat insulating material in embodiment 8 Sectional drawing which shows the state in which the vacuum heat insulating material in Embodiment 9 was attached to the wall which has a curved surface The perspective view which shows the vacuum heat insulating material 20 of the state wound in roll shape in Embodiment 10 The perspective view which shows the vacuum heat insulating material 20 of the state wound in roll shape in Embodiment 10 The perspective view which shows the vacuum heat insulating material 20 of the state wound in roll shape in Embodiment 10 Schematic sectional view of a conventional building Perspective sectional view of the outer wall of a conventional building

Explanation of symbols

3 Exterior wall finishing material 9b Wood base 11 Building 12 Building member 12a Structural face material 14, 14A, 14B, 14C Vacuum heat insulating material 15 Waterproof sheet 16 Moisture-proof airtight sheet 17 Core material 18 Cover material 19 Nail 20, 20A, 20B, 20C Vacuum heat insulating material 23 Metal foil layer 24 Metal vapor deposition layer 25 Polyacrylic acid resin layer 27 Vacuum heat insulating material 28 Hard polyurethane foam 29 Through hole 30 Vacuum heat insulating material

Claims (2)

A plurality of plate-like core materials arranged in a two-dimensional manner without overlapping are covered from above and below with two flexible envelope materials made of a laminate film, and each core material is individually vacuum-sealed in an independent space. A heat insulating construction method for attaching a stopped vacuum heat insulating material to a structural face material,
One surface of the vacuum heat insulating material is opposed to the surface of the structural surface material on which the vacuum heat insulating material is attached, and the upper and lower outer cover materials in the vacuum heat insulating material are heated from the vacuum heat insulating material side. A heat insulation construction method for fixing the vacuum heat insulating material to the structural face material by driving a nail or a screw into a heat welding portion that is melted and bonded. A plurality of plate-like core members arranged in a two-dimensional manner without overlapping are covered from above and below with two flexible envelopes made of laminate film, and each of the core members is individually vacuum-sealed in an independent space. A heat insulating construction method for attaching a stopped vacuum heat insulating material to a structural face material,
The vacuum heat insulating material is disposed so that one surface of the vacuum heat insulating material faces the surface on the side where the vacuum heat insulating material is attached in the structural face material, and a plurality of tree bases are arranged to face the vacuum heat insulating material. A nail or a screw is inserted between the upper and lower jacket materials of the vacuum heat insulating material from the side to the heat welded portion where the heat insulating material is bonded with heat, thereby sandwiching the vacuum heat insulating material therebetween. A heat insulation construction method for fixing the wood substrate and the structural face material.

Images