WO2015147389A1 - Vacuum insulation panel - Google Patents

Vacuum insulation panel Download PDF

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Publication number
WO2015147389A1
WO2015147389A1 PCT/KR2014/007677 KR2014007677W WO2015147389A1 WO 2015147389 A1 WO2015147389 A1 WO 2015147389A1 KR 2014007677 W KR2014007677 W KR 2014007677W WO 2015147389 A1 WO2015147389 A1 WO 2015147389A1
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WO
WIPO (PCT)
Prior art keywords
spacer
vacuum
insulation panel
vacuum insulation
plate
Prior art date
Application number
PCT/KR2014/007677
Other languages
French (fr)
Korean (ko)
Inventor
박래준
Original Assignee
주식회사엑스엘
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Filing date
Publication date
Application filed by 주식회사엑스엘 filed Critical 주식회사엑스엘
Publication of WO2015147389A1 publication Critical patent/WO2015147389A1/en

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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • E04B1/803—Heat insulating elements slab-shaped with vacuum spaces included in the slab
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/62—Insulation or other protection; Elements or use of specified material therefor
    • E04B1/74—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls
    • E04B1/76—Heat, sound or noise insulation, absorption, or reflection; Other building methods affording favourable thermal or acoustical conditions, e.g. accumulating of heat within walls specifically with respect to heat only
    • E04B1/78—Heat insulating elements
    • E04B1/80—Heat insulating elements slab-shaped
    • 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
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2201/00—Insulation
    • F25D2201/10—Insulation with respect to heat
    • F25D2201/14—Insulation with respect to heat using subatmospheric pressure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00—Adapting or protecting infrastructure or their operation
    • Y02A30/24—Structural elements or technologies for improving thermal insulation
    • Y02A30/242—Slab shaped vacuum insulation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B80/00—Architectural or constructional elements improving the thermal performance of buildings
    • Y02B80/10—Insulation, e.g. vacuum or aerogel insulation

Definitions

  • the present invention relates to a vacuum insulation panel used as a heat insulating material, and more particularly, to a structural improvement of a vacuum insulation panel for improving the heat insulating properties of a vacuum insulation panel filled with a core material in an existing outer shell,
  • the outer shell structure supports atmospheric pressure and heat transfer is minimized, and diffused or non-diffused getters are formed on the inner surface of the panel so that the vacuum inside the panel is maintained at 10 -3 torr or less. It relates to a vacuum insulation panel.
  • the structure of the vacuum insulation panel has a structure in which the internal vacuum is maintained by using a metal thin plate or acid resistant plastic as a shielding material to maintain the degree of vacuum inside and filling a core material for maintaining the panel shape.
  • Organic or inorganic powdery, fibrous, or polymer resin molded bodies are used as the core material to maintain the panel shape.However, thermal insulation performance due to environmental problems caused by disposal and pressure rise due to gas generated from the core material itself when used for a long time is used. This has the disadvantage of deteriorating. It is known that the use of inorganic fiberglass as a core material can improve the thermal insulation performance than polymer resins.
  • the vacuum insulation panel is that the heat insulation effect and fire resistance and heat resistance is superior to the existing heat insulating material, the material is highly recyclable and the sound insulation is excellent.
  • the problems of the conventional vacuum insulation panel are expensive price, heavy weight, limit of panel size (currently 30cm x 30cm) and consequent lack of coping force for various sizes according to the application, and it takes a long time when it is used as interior and exterior materials. In other words, the insulation performance of the joint area between panels is relatively poor.
  • Korean Patent No. 0253841 relates to a heat insulating jacket of a low temperature device and a method for manufacturing the same, wherein the insulating material such as glass wool, synthetic resin and polyurethane, organic polymer or multi-layers, etc. PdO is placed in a vacuum space to effectively absorb hydrogen, and the gas is chemically absorbed by using a getter material. It suggests a technique to be absorbed.
  • the insulating material such as glass wool, synthetic resin and polyurethane, organic polymer or multi-layers, etc.
  • PdO is placed in a vacuum space to effectively absorb hydrogen, and the gas is chemically absorbed by using a getter material. It suggests a technique to be absorbed.
  • Republic of Korea Patent No. 0188443 relates to a vacuum insulator, the core material is inserted into the outer shell material in the vacuum space to form the shape of the outer shape, and the barium-lithium alloy material as a getter material by inserting the barium-lithium alloy material on one side of the core material to adsorb the gas Presenting.
  • the patent invention presented a vacuum degree of 0.1 ⁇ 10mmHg with a practically attainable vacuum degree.
  • Republic of Korea Patent Application No. 10-1998-0710788 relates to a vacuum insulation container and a method for manufacturing the same, a metal outer jacket including a vacuum exhaust vent with a solder molding and a vacuum insulation inside the jacket is a thermal insulation medium such as glass fiber
  • a metal outer jacket including a vacuum exhaust vent with a solder molding and a vacuum insulation inside the jacket is a thermal insulation medium such as glass fiber
  • getter system ST301 of SAES GETTERS
  • Korean Patent No. 0466614 relates to a method for manufacturing an open-cell rigid polyurethane foam and a vacuum insulation panel, and proposes a technique of evacuating vacuum after inserting a rigid polyurethane foam into a metal-laminate film using an inner core material.
  • Korean Patent No. 0540522 relates to a vacuum insulator and a device using the same, wherein a core material in which a plurality of sheets of inorganic fibers containing SiO 2 as a main component and Al 2 O 3, CaO, and MgO are laminated is filled in an outer shell having gas shielding properties.
  • the shell material having a gas shielding property is an aluminum-laminate film, and a core material is inserted therein, and a gas adsorbent is mounted together with the core material therein to propose a technique of evacuating vacuum.
  • Korean Patent Application No. 10-2004-7019549 relates to a vacuum insulator, a method of manufacturing the same, and a refrigerator using the same, wherein a core formed into a plate shape with a fiber binder is filled into an outer shell material capable of blocking external air, and absorbs moisture. It is equipped with a physical adsorbent and a chemical adsorbent together with a core material, and a technology equipped with a non-evaporable getter as a chemical adsorbent for adsorbing gas.
  • the outer cover material is characterized in that it is used in the form of a laminate such as metal foil and plastic film such as stainless steel, aluminum, iron, and the like.
  • Korean Patent No. 0775716 relates to a vacuum insulator and a method for manufacturing the vacuum insulator, wherein the vacuum insulator is formed of a plurality of cores made of glass fibers having a regular octagonal shape, covered with an outer cover having a gas shielding property, and the inside of the vacuum exhauster The pressure is reduced by.
  • the manufacturing method of the present invention performs a step of thermally welding the core material and the shell material by heating and pressurizing the shell material including the core portion while reducing the core material between the shell materials in a shape under atmospheric pressure. Accordingly, the heat welding part is formed along the shape of the core material, and the part without the core material is welded between the outer shell material.
  • Korean Patent Application No. 10-2006-0037124 relates to a vacuum insulating material and a method for manufacturing the same, wherein a gas barrier film having a heat welding layer is used as an outer material, and a core material is filled therein and vacuum-exhaust sealed in a reduced pressure state. It is presenting technology.
  • Republic of Korea Patent Application No. 10-2009-0076463 relates to a vacuum insulator, a heat insulating box and a refrigerator using the same, a getter material that absorbs the gas or water vapor by placing a core material consisting of an organic fiber aggregate in an outer cover material having a gas shielding It is proposed a technology for vacuum sealing by mounting the inside of the shell.
  • the patent invention proposed a general purpose polystyrene resin as a core material.
  • Republic of Korea Patent Application No. 10-2006-0037124 relates to a vacuum insulation material and a method for manufacturing the same, the use of the vacuum insulation material used by folding the laminated portion (circumferential edge portion) of the gas barrier film formed on the peripheral edge. Even when a small hole or crack occurs in the film when the peripheral edge is folded in consideration, gas is intruded from the outside and the vacuum degree inside decreases, so that the heat insulation performance is not deteriorated.
  • the present invention provides a vacuum insulation material and a method of manufacturing the same.
  • Korean Patent No. 0753720 relates to a vacuum insulator and a method for manufacturing the same, wherein a core having a waste material made of an inorganic fiber polymer containing no binder in a shell material having a gas shielding property is filled, and a wrapper is filled around a waste material.
  • the adsorbent is embedded in the inner material, and the inside of the inner material and the inner material have been proposed to be sealed under reduced pressure by vacuum exhaust.
  • Korean Patent No. 0781010 relates to a vacuum insulator and a method of manufacturing the same, in which a glass fiber or the like is put into a film shell material, the inside of the film is decompressed with a vacuum exhaust, and the bent portion is formed to bend the film surface and core of the insulator. To propose a three-dimensional shape of the heat insulating material.
  • the Republic of Korea Utility Model Registration No. 0414340 and the Republic of Korea Utility Model Registration No. 0415600 are related to vacuum insulation panels, in which a plurality of corrugated bones are formed continuously and embossed up and down irregularities are periodically arranged at regular intervals.
  • the overlapping plate and the slope are combined with a bar, and the bar contact surface of the plate and the slope is sealed with a sealing member, and a corrugated valley or embossing up and down irregularities form a vacuum space.
  • the above technique is characterized in that the exhaust port for the vacuum exhaust is not provided separately, and a part of the side bar is finished with silicon so that the injection needle passes through the silicon portion to replace the function of the exhaust pipe.
  • the purpose of filling the insulation medium with the core material is to maintain the shape of the outer shell while exerting the function of insulation, the problem caused by filling the insulation medium with the core material exhibits insulation function and limits the insulation function. To derive them.
  • the conventional prior art is equipped with a non-diffusion getter for maintaining the vacuum after encapsulation
  • a technology equipped with a separate moisture adsorbent there is also a technology equipped with a separate moisture adsorbent.
  • the adsorption cross-sectional area is not sufficient compared to the volume and internal cross-sectional area (very large because the core is built-in) and the pressure after encapsulation. The high pressure leads to saturation and the activation rate for resorption is low, which is not effective for maintaining the vacuum.
  • a structure in which the structure of the getter to be mounted can be maintained at a predetermined pressure (10 -3 torr) or less is required.
  • a thin plate (laminating material) or plastic film such as stainless steel, aluminum, iron, etc. is used, and since the thin plate is used, Compression is performed in the shape of the core material. Or through the pressing process (laminating) for a separate bonding to the outer skin and the core material to be bonded.
  • the sealing method is used at the edge joint or the edge is folded and pressed.
  • the vacuum gas leaks due to degassing of the finish and the adhesion decreases when exposed to the external environment.
  • the edges of the outer skin are folded and compressed, leakage of the vacuum seal is often caused, and thus the method itself is not suitable as a method for maintaining the vacuum seal.
  • the present invention further improves the thermal insulation performance and improves the vacuum of the panel space by providing a structure of the vacuum insulation panel that does not fill the core as a structure that can solve and improve the shortcomings of the existing vacuum insulation panel. It is an object of the present invention to provide a getter structure.
  • an object of the present invention is to provide a vacuum insulation panel having a simple structure, easy to manufacture the upper and lower plates, as well as easy mounting and fixing of the spacer.
  • an object of the present invention is to provide a vacuum insulation panel that can be maintained at a vacuum pressure of 10 -3 torr or less after vacuum exhaust sealing.
  • the present invention provides a vacuum insulation panel in which a vacuum is formed in an inner space, the top plate of which a plurality of convex portions or recesses are formed to be convex outward; A lower plate coupled to each other along an edge of the upper plate and having a plurality of convex portions or concave portions convex outwardly; A vacuum space formed by the upper plate and the lower plate; A spacer mounted on a flat surface of the upper plate and the lower plate to maintain the space; And a getter part coated with a getter material on a part or the front surface of the inner surface of the upper plate or the lower plate.
  • the convex portion or the concave portion of the upper plate or the lower plate may be formed convex or concave by embossing, or may be formed convex or concave in the longitudinal direction.
  • the strength of the upper and lower plates can be made larger by embossing the upper and lower plates, or by convexly or concave in the longitudinal direction.
  • a mounting groove for mounting the spacer may be formed on the inner surface of any one of the upper and lower plates.
  • the upper and lower plates may have spacers corresponding to each other, and the upper and lower seating recesses may be further formed, and spacers may be mounted and fixed to the upper and lower seating recesses corresponding to each other.
  • the mounting groove is formed in both the upper plate and the lower plate to facilitate the installation and fixing of the spacer.
  • the spacer of the present invention may be formed in a rod shape, and the upper and lower ends of the rod-shaped spacer may be formed in a plane.
  • irregularities may be further formed in the top and bottom planes of the spacer. By forming the unevenness, it is possible to reduce the contact area between the spacer, the upper plate and the lower plate, thereby preventing heat transfer.
  • the spacer of the present invention may be formed in a rod shape, and the upper and lower ends of the rod-shaped spacer may be formed to be inclined inward from the edge. Since the upper and lower ends of the spacer are inclined from the edge to the inner side, the spacer, the upper plate, and the lower plate can be in line contact with each other, thereby reducing the contact area.
  • the upper plate and the lower plate and the spacer is in line contact has the advantage that the heat transfer by the spacer can be reduced as possible.
  • the spacer of the present invention may be formed by coupling the lower body of the rod-like body and the upper body piped into the pocket shape. Since the upper and lower diameters are different, there is an advantage that the spacer can be fixed and stable.
  • the lower end of the lower body and the upper end of the upper body may be formed to be inclined inward from the edge. Accordingly, the spacer, the upper plate and the lower plate can be in line contact with each other.
  • the lower end of the lower body and the upper end of the upper body may be formed in a plane.
  • an edge spacer may be inserted into an edge at which the upper and lower plates are coupled to each other, and the upper and lower plates may be coupled to each other above and below the edge spacer.
  • the edge spacers may be formed in a cross-sectional shape or a corrugated shape.
  • a getter material may be further coated on an inner surface of the edge spacer to expand the getter part. The getter material is applied to all or part of the inner surface of the upper plate or the lower plate, so as to adsorb gases existing in the vacuum space to prevent the pressure increase in the vacuum space.
  • the vacuum insulation panel according to the present invention has a structure in which a spacer can be easily mounted and fixed inside the panel, the vacuum insulation panel prevents deformation of the shape of the panel and improves vacuum characteristics, thereby having excellent sound insulation.
  • the present invention does not use a core material, it is possible to eliminate the environmental pollution problems caused when using the core material is environmentally friendly, and the recycling degree for the waste material is higher than when using the core material.
  • the vacuum insulation panel according to the present invention can be easily manufactured, there is an advantage to reduce the manufacturing cost, there is an advantage to pursue the robustness of the structure by forming a plurality of convex portion or concave portion.
  • FIG. 1 is a perspective view of a first embodiment of a vacuum insulation panel according to the present invention.
  • FIG. 2 is a cross-sectional view of a first embodiment of a vacuum insulation panel according to the present invention.
  • Figure 3 is a spacer mounting of the first embodiment of the vacuum insulation panel according to the present invention.
  • Figure 4 is another mounting of the spacer of the first embodiment of the vacuum insulation panel according to the present invention.
  • FIG. 5 is a perspective view and a cross-sectional view of a first embodiment of a spacer of a vacuum insulation panel according to the present invention.
  • FIG. 6 is a perspective view and a cross-sectional view of a second embodiment of the spacer of the vacuum insulation panel according to the present invention.
  • FIG. 7 is a perspective view and a cross-sectional view of a third embodiment of the spacer of the vacuum insulation panel according to the present invention.
  • FIG 8 is a perspective view and a cross-sectional view of a fourth embodiment of the spacer of the vacuum insulation panel according to the present invention.
  • FIG. 9 is a perspective view and a cross-sectional view of a fifth embodiment of the spacer of the vacuum insulation panel according to the present invention.
  • Figure 7 is another mounting of the spacer of the second embodiment of the vacuum insulation panel according to the present invention.
  • FIG. 10 is a cross-sectional view of the first embodiment of the edge spacer of the vacuum insulation panel according to the present invention.
  • FIG. 11 is a cross-sectional view of a second embodiment of the edge spacer of the vacuum insulation panel according to the present invention.
  • FIG. 12 is a sectional view of a second embodiment of a vacuum insulation panel according to the present invention.
  • FIG. 13 is a perspective view of a third embodiment of a vacuum insulation panel according to the present invention.
  • FIG. 14 is a perspective view of a fourth embodiment of a vacuum insulation panel according to the present invention.
  • the best mode for carrying out the present invention includes: a vacuum insulation panel in which a vacuum is formed in an inner space, the top plate having a plurality of convex portions or recesses formed to be convex outwardly; A lower plate coupled to each other along an edge of the upper plate and having a plurality of convex portions or concave portions convex outwardly; A vacuum space formed by the upper plate and the lower plate; A spacer mounted on a flat surface of the upper plate and the lower plate to maintain the space; And a getter part coated with a getter material on a part or front surface of an inner surface of the upper or lower plate.
  • FIG. 1 is a perspective view of a first embodiment of a vacuum insulation panel according to the present invention
  • Figure 2 is a cross-sectional view of a first embodiment of a vacuum insulation panel according to the present invention
  • Figure 3 is a first embodiment of a vacuum insulation panel according to the present invention 4 is another mounting view of the spacer of the first embodiment of the vacuum insulation panel according to the present invention
  • FIG. 1 is a perspective view of a first embodiment of a vacuum insulation panel according to the present invention
  • Figure 2 is a cross-sectional view of a first embodiment of a vacuum insulation panel according to the present invention
  • FIG. 5 is a perspective view and a cross-sectional view of the first embodiment of the spacer of the vacuum insulation panel according to the present invention
  • 6 is a perspective view and a cross-sectional view of a second embodiment of the spacer of the vacuum insulation panel according to the present invention
  • Figure 7 is a perspective view and a cross-sectional view of a third embodiment of the spacer of the vacuum insulation panel according to the present invention
  • Figure 8 is a 9 is a perspective view and a cross-sectional view of a fourth embodiment of the spacer of the vacuum insulation panel according to the present invention.
  • FIG. 9 is a perspective view and a cross-sectional view of a fifth embodiment of the spacer of the vacuum insulation panel according to the present invention.
  • FIG. 10 is a cross-sectional view of the first embodiment of the edge spacer of the vacuum insulation panel according to the present invention
  • Fig. 11 is a second view of the edge spacer of the vacuum insulation panel according to the present invention
  • 12 is a cross-sectional view of a second embodiment of a vacuum insulation panel according to the present invention
  • FIG. 13 is a perspective view of a third embodiment of a vacuum insulation panel according to the present invention
  • FIG. 14 is a vacuum insulation according to the present invention.
  • the top plate 10 is formed with a plurality of embossing 12 convex outward as shown in Figs. 1 and 2 and the top plate 10 And coupled to each other along the edge of the lower plate 20 is formed with a plurality of embossing 22 convex outward, the vacuum space (S) formed by the upper plate 10 and the lower plate 20, It is mounted to the flat surface 11 of the upper plate 10 and the lower plate 20 is composed of a spacer 30 for maintaining the space (S).
  • the upper plate 10 forms a vacuum space S together with the lower plate 20, and the edges of the upper plate 10 and the lower plate 20 are joined by brazing welding or the like, and the edge spacers 40 are used at the edges thereof. Is bonded.
  • the upper plate 10 and the lower plate 20 may use an aluminum plate, a stainless steel plate, a carbon steel plate, a glass plate, a teflon plate, or a plastic plate, and may use a high strength synthetic resin plate having excellent strength.
  • an embossing 12 is formed on the upper plate 10, and an embossing 22 is also formed on the lower plate 20.
  • embossing By forming embossing on both sides, the mass moment of inertia according to the shape is increased, which has the advantage of increasing strength.
  • the internal space S by the embossing 12, 22 can be enlarged.
  • Spacers 30 are mounted on flat surfaces 11, 21 between embossing 12, 22 and embossing 12, 22. The upper plate 10 and the lower plate 20 are supported by the spacer 30 to secure the internal vacuum space S.
  • FIG. 3A illustrates that the spacer seating grooves 23 are formed only on the lower plate 20. Since the seating groove 23 is formed, the spacer 30 may be easily fixed to the seating groove, and a problem such as the spacer 30 may be detached to the outside may be prevented.
  • FIG. 3B shows a view in which the spacer 30 is removed. The getter part 14 is formed in the upper plate 10.
  • spacers 30 are mounted on the flat surfaces 11 and 21. As shown in FIG. 4 (a), the spacer 30 is mounted in a state in which the mounting grooves 13 and 23 are formed in both the upper and lower plates. Since the mounting grooves are formed in both the upper plate and the lower plate, mounting and fixing of the spacer 30 become easier.
  • the getter part 14 is formed in the upper plate 10.
  • the first embodiment 30a of the spacer is composed of a rod-shaped spacer.
  • the upper end and the lower end are formed in the plane 31a.
  • FIG. 6 shows a second embodiment 30b of a spacer.
  • the upper end and the lower end are formed to be inclined at the edge to form a line with one circle at the edge. Therefore, there is an advantage that can be in line contact with the upper and lower plates to reduce the heat transfer by the spacer.
  • Fig. 7 shows a third embodiment 30c of the spacer.
  • the unevenness 31c is formed in the planar portions of the upper and lower ends.
  • FIG 8 shows a fourth embodiment 30d of a spacer.
  • a spacer formed of a rod-shaped lower body 32d and an upper body 33d having pockets is shown.
  • the upper and lower ends of the spacer 30d are formed to be inclined inward from the edge so that the spacer 30d and the upper and lower plates can be in line contact.
  • the spacer can be more securely mounted.
  • FIG. 9 shows a fifth embodiment 30e of a spacer.
  • a spacer formed of a rod-shaped lower body 32e and an upper body 33e having pockets is shown.
  • the upper body and the lower body may be formed of a single body.
  • the upper end 34e and the lower end 31e of the spacer are formed in a plane, and in this case, although not shown in the drawing, the upper and lower ends may be formed to be inclined inward from the edge.
  • the spacer may be inferred into a truncated conical shape in which the spacer is gradually expanded from the bottom and finished to the top.
  • edge spacers 40 and 40 ' are joined to the edges of the upper plate 10 and the lower plate 20 by brazing welding or the like. Edge joining is generally used for brazing welding.
  • the getter portion 14 may be further extended by applying a getter material to the inside of the edge spacers 40 and 40 '.
  • the edge spacers 40 'of FIG. 10 may be suitable for glass sheets or the like.
  • the edge spacers 40 ' may be formed by being inserted into both edges of the glass sheet or joined by brazing welding.
  • a corrugated metal spacer can also be used. In the case of a corrugated spacer, since the spacer 40 'can perform a buffer function at the edge, durability is strong.
  • the second embodiment is characterized in that the embossing 12 ', 22' is formed to be concave inwardly, and the other configuration is the same as the first embodiment, and thus a detailed description thereof will be omitted.
  • FIG. 13 and 14 show the third and fourth embodiments of the vacuum insulation panel. As shown in the figure, it is composed of a convex portion and a concave portion formed long in the longitudinal direction, the cross section is the same as Figures 2 and 12, so a detailed description of the configuration will be omitted.
  • the space formed by the upper plate 10 and the lower plate 20 is formed as a vacuum space (S).
  • the degree of vacuum is formed to maintain a vacuum pressure of 10 ⁇ 3 torr or less.
  • a getter portion 14 is formed on a portion or the front side of the inner side of the top plate 10 to maintain the degree of vacuum below 10 -3 torr.
  • the getter unit 14 may be formed by applying a getter or applying the getter to sheet paper and then attaching the sheet paper to the top plate 10. In some cases, it may be applied to the lower plate 20.
  • the getter part is used to effectively adsorb the residual gas that is increased due to internal degassing after the vacuum exhaust is sealed to form the vacuum space (S).
  • the getter portion 14 may use a diffusion getter or a non-diffusion getter.
  • Types of getters include barium (Ba) or zirconium (Zr) based alloys, barium (Ba)-lithium (Li) based alloys, zirconium (Zr)-vanadium (V)-iron (Fe) based alloys, alkali metals, alkalis Materials alone or alloyed with materials such as earth metals, barium, magnesium, calcium, strontium, titanium, zirconium and vanadium may be used.
  • the spacer 30 is mounted between the upper plate 10 and the lower plate 20 to prevent the upper plate and the lower plate from being deformed by atmospheric pressure.
  • the spacer 30 may use a rod-shaped spacer for manufacture or installation.
  • the upper plate 10 and the lower plate 20 may form embossed 12 and 22 convex outwardly or inwardly so that the mass moment of inertia can be large to prevent deformation.
  • a plurality of spacers 30 are mounted between the flat surfaces 11 and 21.
  • the spacer 30 may be mounted on the flat surface of the upper plate and the lower plate, and the mounting plate 23 may be formed on the lower plate so that the spacer 30 may be fixedly mounted.
  • the mounting groove 13 may be formed in the upper plate for the strong fixing of the spacer 30. Since the seating grooves 23 are formed, the seating of the spacer 30 is easy to mount, which is advantageous to fixation and installation.
  • Vacuum insulation panel according to the present invention can be applied in various forms.
  • the vacuum insulation panel can be usefully used not only for construction, but also in refrigerators or refrigeration facilities that require cold or warmth.
  • the vacuum insulation panel according to the present invention as described above is required.
  • the present invention relates to the improvement of the structure of the vacuum insulation panel for improving the thermal insulation characteristics of the vacuum insulation panel filled with a core material in the existing outer shell, by mounting a spacer in the vacuum space to support the atmospheric pressure load
  • the invention relates to a vacuum insulation panel in which diffusion or non-diffusion getters are formed on the inner surface of the panel so that heat transfer by conduction is minimized and the panel inner vacuum degree is maintained at 10 ⁇ 3 torr or less permanently.

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Abstract

The present invention relates to a vacuum insulation panel used as an insulation material and, more specifically, to an improved structure of a vacuum insulation panel for improving the insulation properties of a vacuum insulation panel in which the core is filled inside an existing outer cover. The present invention relates to a vacuum insulation panel in which a spacer is mounted in a vacuum space such that the structure of the outer cover can support the atmospheric pressure load and, at the same time, allow heat transfer by conduction to be minimized, and in which a diffusion or non-diffusion getter is formed on the inner surface of the panel such that the degree of vacuum inside the panel is permanently maintained at not more than 10 - 3 torr.

Description

진공단열패널Vacuum Insulation Panel
본 발명은 단열소재로 이용되는 진공단열패널에 관한 것으로서, 보다 상세하게는 기존의 외피 내부에 심재가 채워진 진공단열패널의 단열특성을 향상시키기 위한 진공단열패널의 구조개선에 관한 것으로서, 진공공간에 스페이서를 장착하여 외피의 구조가 대기압 하중을 지지하도록 함과 동시에 전도에 의한 열전달이 최소가 되도록 하며, 패널 내부 진공도가 10-3torr 이하가 항구적으로 유지되도록 패널내면에 확산 또는 비확산게터를 형성한 진공단열패널에 관한 것이다.The present invention relates to a vacuum insulation panel used as a heat insulating material, and more particularly, to a structural improvement of a vacuum insulation panel for improving the heat insulating properties of a vacuum insulation panel filled with a core material in an existing outer shell, By installing spacers, the outer shell structure supports atmospheric pressure and heat transfer is minimized, and diffused or non-diffused getters are formed on the inner surface of the panel so that the vacuum inside the panel is maintained at 10 -3 torr or less. It relates to a vacuum insulation panel.
환경비용을 최소화하는 것이 기업과 국가의 핵심 경쟁력이라는 것을 인식하고 모든 건축물에 대해서 에너지 고효율설계가 필수적으로 시행되고 있고, 더 나아가 외부 에너지에 의존하지 않는 제로 에너지 건축물을 실현할 수 있는 기술들을 선점하기 위해 전 세계적으로 치열한 기술경쟁이 이루어지고 있다. 현재는 친환경건축물인증 에너지효율등급인증 등 에너지 절약을 권고하는 단계를 지나 창호 및 벽의 단열성능기준이 강화되는 상황이다. 또한, 건축물 에너지소비 총량제 도입이 머지 않아 시행될 뿐만 아니라 제로에너지 건축물을 의무화하는 안이 예정되어 있는 상황이 세계적 흐름인 것을 감안한다면, 친환경·녹색산업은 부가가치가 높은 산업임과 동시에 미래성장을 위해서는 관련기술들을 반드시 확보해야되는 것으로 인식되고 있다.Recognizing that minimizing environmental costs is the core competitiveness of corporations and countries, energy-efficient design is indispensable for all buildings, and further, to preempt technologies that can realize zero-energy buildings that do not depend on external energy. There is a fierce technological competition around the world. At present, the standards for encouraging energy savings, such as eco-friendly building certification and energy efficiency rating certification, have strengthened the insulation performance standards for windows and walls. In addition, considering that the introduction of the total energy consumption system for buildings is not only implemented in the near future, but also the global trend of enforcing zero-energy buildings, the eco-friendly and green industries are highly value-added and related to future growth. It is recognized that technologies must be secured.
건축물의 냉난방 에너지 손실방지는 건물외피 단열, 창호의 단열을 통해서 전체 에너지 절약의 50% 이상 실현할 수 있다고 알려져 있으며 건물외피 단열, 창호 단열은 건축물 에너지 절약에서 가장 비중 있게 다루어지고 있다.It is known that the heating and cooling energy loss prevention of buildings can be realized more than 50% of the total energy savings through the insulation of building envelopes and windows, and the building insulation and window insulation are the most important in energy saving of buildings.
기존의 건물 단열재로 쓰이는 재료는 폴리우레탄 폼의 발포제인 CFC, 스티로폼, 유리섬유(glass wool) 등이 이용되었으나 이보다 더욱 단열성능이 뛰어난 진공단열패널(VIP, Vacuum Insulation Panel)과 에어로겔(Aerogel)이 제시되고 있다. 유리섬유를 심재로 채운 진공단열패널의 단열성능은 유리섬유의 16배 이상, 폴리우레탄 폼이나 스티로폼의 10배 이상으로 평가받고 있다.Existing materials for building insulation include polyurethane foaming agents such as CFC, styrofoam, and glass wool, but the vacuum insulation panel (VIP) and aerogel (Aerogel), which have superior thermal insulation properties, are used. Is being presented. The thermal insulation performance of the vacuum insulation panel filled with glass fibers is estimated to be 16 times higher than that of glass fibers and 10 times higher than that of polyurethane foam or styrofoam.
진공단열패널의 구조는 내부의 진공도를 유지하기 위한 차폐재로서 금속 박판 또는 내산성 플라스틱을 이용하고 패널형상을 유지하기 위한 심재를 채워넣어 내부진공이 유지되도록 하는 구조를 가진다. 패널형상을 유지하기 위한 심재로는 유기질 또는 무기질의 분말형·섬유형 혹은 고분자 수지류 성형체가 이용되기도 하였으나, 폐기시 발생되는 환경문제와 장기간 사용시 심재 자체에서 발생되는 가스로 인한 압력상승으로 단열성능이 저하되는 단점이 있다. 심재로 무기섬유질인 유리섬유를 이용하면 고분자 수지류보다 단열성능을 향상시킬 수 있는 것으로 알려져 있다. The structure of the vacuum insulation panel has a structure in which the internal vacuum is maintained by using a metal thin plate or acid resistant plastic as a shielding material to maintain the degree of vacuum inside and filling a core material for maintaining the panel shape. Organic or inorganic powdery, fibrous, or polymer resin molded bodies are used as the core material to maintain the panel shape.However, thermal insulation performance due to environmental problems caused by disposal and pressure rise due to gas generated from the core material itself when used for a long time is used. This has the disadvantage of deteriorating. It is known that the use of inorganic fiberglass as a core material can improve the thermal insulation performance than polymer resins.
진공단열패널의 장점은 기존의 단열재보다 높은 단열효과 및 내화성과 내열성이 우수하고, 자재의 재활용성이 높으며 방음력이 우수한 것이다. 그러나 기존의 진공단열패널의 문제점은 비싼 가격, 무거운 중량, 패널사이즈의 한계(현재 30cm x 30cm) 및 이로 인해 용도에 따른 다양한 사이즈에 대한 대응력의 부재, 내·외장재로 사용할 경우 시공 시간이 장시간 소요된다는 점, 패널 간 조인트(Joint) 부문의 단열성능이 상대적으로 떨어지는 점 등이다.Advantages of the vacuum insulation panel is that the heat insulation effect and fire resistance and heat resistance is superior to the existing heat insulating material, the material is highly recyclable and the sound insulation is excellent. However, the problems of the conventional vacuum insulation panel are expensive price, heavy weight, limit of panel size (currently 30cm x 30cm) and consequent lack of coping force for various sizes according to the application, and it takes a long time when it is used as interior and exterior materials. In other words, the insulation performance of the joint area between panels is relatively poor.
진공단열패널과 관련하여 제시된 기존 선행기술들은 다음과 같다.The existing prior art presented in relation to the vacuum insulation panel is as follows.
대한민국 특허 제0253841호는 저온성장치의 단열재킷 및 그의 제조방법에 관한 것으로서, 유리 솜(glass wool), 합성수지 및 폴리우레탄, 유기 중합체 또는 다층물(multi-layers) 등과 같은 단열재를 재킷 내의 진공공간에 삽입하여 외형의 형상을 구성하고, 산화팔라듐(PdO)을 진공공간에 장착하여 수소를 효과적으로 흡수하도록 하고 게터재(getter material)를 이용하여 가스가 화학적으로 흡수되도록 하였으며, 제올라이트를 장착하여 수분이 흡수되도록 하는 기술을 제시하고 있다.Korean Patent No. 0253841 relates to a heat insulating jacket of a low temperature device and a method for manufacturing the same, wherein the insulating material such as glass wool, synthetic resin and polyurethane, organic polymer or multi-layers, etc. PdO is placed in a vacuum space to effectively absorb hydrogen, and the gas is chemically absorbed by using a getter material. It suggests a technique to be absorbed.
대한민국 특허 제0188443호는 진공단열체에 관한 것으로서, 진공공간에 심재를 외피재 내에 삽입하여 외형의 형상을 구성하고 게터재로 바륨-리튬합금재를 심재의 한편에 삽입하여 가스가 흡착되도록 한 기술을 제시하고 있다. 또한, 상기 특허발명은 진공도를 실용적으로 달성 가능한 진공도로 0.1~10mmHg로 제시하였다.Republic of Korea Patent No. 0188443 relates to a vacuum insulator, the core material is inserted into the outer shell material in the vacuum space to form the shape of the outer shape, and the barium-lithium alloy material as a getter material by inserting the barium-lithium alloy material on one side of the core material to adsorb the gas Presenting. In addition, the patent invention presented a vacuum degree of 0.1 ~ 10mmHg with a practically attainable vacuum degree.
대한민국 특허출원 제10-1998-0710788호는 진공단열용기 및 그 제조방법에 관한 것으로서, 납땜 성형물이 구비된 진공 배기구를 포함하는 금속 외피 재킷과, 재킷 내부의 진공공간에는 유리 섬유와 같은 단열매체를 심재로 채움과 아울러 게터시스템(SAES GETTERS사의 ST301)을 장착하여 가스가 흡착되도록 한 기술을 제시하고 있다.Republic of Korea Patent Application No. 10-1998-0710788 relates to a vacuum insulation container and a method for manufacturing the same, a metal outer jacket including a vacuum exhaust vent with a solder molding and a vacuum insulation inside the jacket is a thermal insulation medium such as glass fiber In addition to filling with core material, it is equipped with getter system (ST301 of SAES GETTERS) to suggest a technology that allows gas to be adsorbed.
대한민국 특허 제0466614호는 개방셀 경질 폴리우레탄 폼의 제조방법 및 진공단열패널에 관한 것으로서, 경질 폴리우레탄 폼을 내부 심재로 하여 금속-라미네이트 필름속에 삽입한 후 진공 배기하는 기술을 제시하고 있다.Korean Patent No. 0466614 relates to a method for manufacturing an open-cell rigid polyurethane foam and a vacuum insulation panel, and proposes a technique of evacuating vacuum after inserting a rigid polyurethane foam into a metal-laminate film using an inner core material.
대한민국 특허 제0540522호는 진공 단열재와 이것을 이용한 기기에 관한 것으로서, SiO2를 주성분으로 하고 Al2O3, CaO, MgO를 함유한 무기 섬유로 이루어지는 시트를 다수 매 적층한 심재를 가스 차폐성을 갖는 외피재 내에 채우고, 가스 차폐성을 갖는 외피재는 알루미늄-라미네이트 필름으로서 내부에 심재를 삽입하고, 가스 흡착제가 내부에 심재와 함께 장착되어 진공 배기하는 기술을 제시하고 있다.Korean Patent No. 0540522 relates to a vacuum insulator and a device using the same, wherein a core material in which a plurality of sheets of inorganic fibers containing SiO 2 as a main component and Al 2 O 3, CaO, and MgO are laminated is filled in an outer shell having gas shielding properties. The shell material having a gas shielding property is an aluminum-laminate film, and a core material is inserted therein, and a gas adsorbent is mounted together with the core material therein to propose a technique of evacuating vacuum.
대한민국 특허출원 제10-2004-7019549호는 진공 단열재와 그 제조 방법, 그것을 이용한 냉장고에 관한 것으로서, 섬유결합제로 판 형상으로 성형된 심재를 외부 공기의 차단이 가능한 외피재에 채우고, 수분을 흡착하기 위한 물리 흡착제와 화학 흡착제를 심재와 함께 장착하며, 가스를 흡착하기 위한 화학 흡착제로 비증발형 게터를 장착한 기술을 제시하고 있다. 상기 특허발명에서 외피재는 스테인리스 스틸, 알루미늄, 철 등의 금속박과 플라스틱 필름과 같은 라미네이트재 형태로 이용되는 것이 특징이다.Korean Patent Application No. 10-2004-7019549 relates to a vacuum insulator, a method of manufacturing the same, and a refrigerator using the same, wherein a core formed into a plate shape with a fiber binder is filled into an outer shell material capable of blocking external air, and absorbs moisture. It is equipped with a physical adsorbent and a chemical adsorbent together with a core material, and a technology equipped with a non-evaporable getter as a chemical adsorbent for adsorbing gas. In the patent invention, the outer cover material is characterized in that it is used in the form of a laminate such as metal foil and plastic film such as stainless steel, aluminum, iron, and the like.
대한민국 특허 제0775716호는 진공 단열재 및 그 제조 방법에 관한 것으로서, 진공 단열재는 정팔각형 형상의 유리 섬유로 이루어진 복수의 심재로 형성되어 있고, 가스 차폐성을 갖는 외피재로 덮여 있으며, 내부가 진공배기에 의해 감압되어 있다. 상기 발명의 제조방법은 외피재 사이의 심재를 대기압 하의 형상으로 감압하면서, 심재 부분을 포함하는 외피재를 가열 가압하여 심재와 외피재를 열용착하는 공정을 실시한다. 그에 따라 열용착부는 심재의 형상을 따라 형성되고, 심재가 없는 부분은 외피재 사이에 용착되는 것이 특징이다.Korean Patent No. 0775716 relates to a vacuum insulator and a method for manufacturing the vacuum insulator, wherein the vacuum insulator is formed of a plurality of cores made of glass fibers having a regular octagonal shape, covered with an outer cover having a gas shielding property, and the inside of the vacuum exhauster The pressure is reduced by. The manufacturing method of the present invention performs a step of thermally welding the core material and the shell material by heating and pressurizing the shell material including the core portion while reducing the core material between the shell materials in a shape under atmospheric pressure. Accordingly, the heat welding part is formed along the shape of the core material, and the part without the core material is welded between the outer shell material.
대한민국 특허출원 제10-2006-0037124호는 진공단열재 및 그 제조방법에 관한 것으로서, 열용착층을 갖는 가스 배리어성 필름을 외피재로 하고, 그 내부에 심재를 체우고 진공배기하여 감압상태에서 밀봉하는 기술을 제시하고 있다.Korean Patent Application No. 10-2006-0037124 relates to a vacuum insulating material and a method for manufacturing the same, wherein a gas barrier film having a heat welding layer is used as an outer material, and a core material is filled therein and vacuum-exhaust sealed in a reduced pressure state. It is presenting technology.
대한민국 특허출원 제10-2009-0076463호는 진공 단열재 및 이것을 사용한 단열 상자체 및 냉장고에 관한 것으로서, 유기섬유 집합체로 이루어지는 심재를 가스 차폐성을 갖는 외피재에 체우고, 가스 또는 수증기를 흡착하는 게터재를 외피재 내에 장착하여 진공밀봉하는 기술을 제시하고 있다. 상기 특허발명은 심재로 범용의 폴리스티렌 수지를 제시하였다.Republic of Korea Patent Application No. 10-2009-0076463 relates to a vacuum insulator, a heat insulating box and a refrigerator using the same, a getter material that absorbs the gas or water vapor by placing a core material consisting of an organic fiber aggregate in an outer cover material having a gas shielding It is proposed a technology for vacuum sealing by mounting the inside of the shell. The patent invention proposed a general purpose polystyrene resin as a core material.
대한민국 특허출원 제10-2006-0037124호는 진공단열재 및 그 제조방법에 관한 것으로서, 둘레 가장자리에 형성되는 가스 배리어성 필름끼리의 적층 부분(둘레 가장자리부)을 접어 넣어서 사용하는 진공단열재의 사용 형태를 고려하여 둘레 가장자리부를 접어 넣었을 때 필름에 미소한 구멍이나 균열이 생겨도 외부로부터 가스가 침입하여 내부의 진공도가 저하되어 단열 성능이 악화되거나 하지 않고, 또한 파이프 등이 통과되고 있는 복잡한 형상인 곳에도 장착할 수 있는 진공단열재와 그 제조방법을 제시하고 있다.Republic of Korea Patent Application No. 10-2006-0037124 relates to a vacuum insulation material and a method for manufacturing the same, the use of the vacuum insulation material used by folding the laminated portion (circumferential edge portion) of the gas barrier film formed on the peripheral edge. Even when a small hole or crack occurs in the film when the peripheral edge is folded in consideration, gas is intruded from the outside and the vacuum degree inside decreases, so that the heat insulation performance is not deteriorated. The present invention provides a vacuum insulation material and a method of manufacturing the same.
대한민국 특허 제0753720호는 진공 단열재 및 그 제조 방법에 관한 것으로서, 가스 차폐성을 갖는 외피재 내에 바인더를 포함하지 않는 무기 섬유 중합체로 이루어진 폐재를 갖는 심재를 채우고, 폐재의 둘레에는 내포재를 채우며, 가스 흡착제는 내포재에 내장되고, 내포재 내부와 외포재 내부는 진공배기로 감압되어 밀봉하는 기술을 제시하고 있다.Korean Patent No. 0753720 relates to a vacuum insulator and a method for manufacturing the same, wherein a core having a waste material made of an inorganic fiber polymer containing no binder in a shell material having a gas shielding property is filled, and a wrapper is filled around a waste material. The adsorbent is embedded in the inner material, and the inside of the inner material and the inner material have been proposed to be sealed under reduced pressure by vacuum exhaust.
대한민국 특허 제0781010호는 진공 단열재 및 그 제조 방법에 관한 것으로서, 유리섬유 등을 필름 외피재에 체우고, 그 내부를 진공배기로 감압하고, 굽힘부분은 단열재의 필름 표면 및 심재가 굽힐 수 있도록 성형하여 단열재의 입체 형상을 구성할 수 있도록 하는 기술을 제시하고 있다.Korean Patent No. 0781010 relates to a vacuum insulator and a method of manufacturing the same, in which a glass fiber or the like is put into a film shell material, the inside of the film is decompressed with a vacuum exhaust, and the bent portion is formed to bend the film surface and core of the insulator. To propose a three-dimensional shape of the heat insulating material.
대한민국 등록실용신안 제0414340호 및 대한민국 등록실용신안 제0415600호는 진공단열패널에 관한 것으로서, 파형의 골이 연속하여 다수개 성형된 판과 또는 엠보싱형 상하요철이 일정간격으로 주기적으로 배열된 판을 평판과 겹치게 놓고, 사면은 봉재로 조합하여 판재와 사면의 봉재 접촉면은 실링부재로 밀봉 마감 하여 파형의 골 또는 엠보싱 상하요철이 진공공간을 형성하는 기술을 제시하고 있다. 상기 기술들은 진공배기를 위한 배기구는 별도로 장치되어 있지 않고 측면 봉재 일부를 실리콘으로 마감하여 실리콘 부분에 주사 바늘을 통과시켜 배기관의 기능을 대신하도록 한 것을 특징으로 한다. The Republic of Korea Utility Model Registration No. 0414340 and the Republic of Korea Utility Model Registration No. 0415600 are related to vacuum insulation panels, in which a plurality of corrugated bones are formed continuously and embossed up and down irregularities are periodically arranged at regular intervals. The overlapping plate and the slope are combined with a bar, and the bar contact surface of the plate and the slope is sealed with a sealing member, and a corrugated valley or embossing up and down irregularities form a vacuum space. The above technique is characterized in that the exhaust port for the vacuum exhaust is not provided separately, and a part of the side bar is finished with silicon so that the injection needle passes through the silicon portion to replace the function of the exhaust pipe.
진공단열패널과 관련되어 제시 또는 실시되고 있는 선행기술들은 위에 제시한 바와 같고, 단열효과를 개선하기 위해서 해결해야되는 기술적 문제들은 다음과 같다. The prior art presented or implemented in connection with the vacuum insulation panel is as described above, and the technical problems to be solved to improve the insulation effect are as follows.
단열매체를 심재로 채우는 목적은 외피의 형상이 유지되도록 하면서 단열의 기능이 발휘되도록 하는 것임에도 불구하고 단열매체를 심재로 채움으로써 발생되는 문제는 단열기능을 발휘함과 동시에 단열기능을 제한하는 문제들을 파생시킨다는 점이다.Although the purpose of filling the insulation medium with the core material is to maintain the shape of the outer shell while exerting the function of insulation, the problem caused by filling the insulation medium with the core material exhibits insulation function and limits the insulation function. To derive them.
또한, 기존의 선행기술에서 봉입 후 진공유지를 위해서 비확산게터를 장착하였고 별도의 수분흡착제를 함께 장착한 기술도 있다. 그러나 비확산게터를 장착하는데 있어서 제한된 사이즈의 게터 성형체를 심재와 함께 장착을 했을 때 진공부하를 발생시키는 부피와 내부단면적(심재가 내장되어 있어서 매우 큼) 및 봉입 후의 압력에 비해 흡착단면적이 충분치 않고, 압력이 높아 포화상태에 도달되어 재흡착이 이루어지기 위한 활성화비율이 낮아 진공유지에 유효하지 못한 상황이다.In addition, the conventional prior art is equipped with a non-diffusion getter for maintaining the vacuum after encapsulation, there is also a technology equipped with a separate moisture adsorbent. However, when mounting a non-diffusion getter with a limited size getter molded body together with the core material, the adsorption cross-sectional area is not sufficient compared to the volume and internal cross-sectional area (very large because the core is built-in) and the pressure after encapsulation. The high pressure leads to saturation and the activation rate for resorption is low, which is not effective for maintaining the vacuum.
따라서 봉입 후의 일정압력을 유지하기 위해서는 장착되는 게터의 구조가 일정압력(10-3torr) 이하로 유지될 수 있는 구조가 필요하다.Therefore, in order to maintain a constant pressure after encapsulation, a structure in which the structure of the getter to be mounted can be maintained at a predetermined pressure (10 -3 torr) or less is required.
기존의 선행기술에서 제시한 진공단열패널의 외피의 재료는 스테인리스 스틸, 알류미늄, 철 등의 얇은 판재(라미네이팅재) 또는 플라스틱 필름 등을 사용하였고, 얇은 판재를 쓰고 있기 때문에 심재 삽입 후 진공배기를 하면 심재의 형상대로 압착이 된다. 또는 별도의 접합을 위한 압착공정(라미네이팅)을 통하여 외피와 심재를 접합되도록 한다. 외피의 진공기밀유지를 위해서는 가장자리 접합부위에 밀봉 마감재를 이용하거나 가장자리를 접어서 압착하는 방법들을 쓰고 있다. 그러나 밀봉 마감재를 쓰는 경우에는 마감재의 탈가스로 인해 진공도를 떨어뜨리고 외부 환경에 노출되었을 때 접착력 저하로 진공기밀이 누설되는 상황이 발생된다. 또한 외피의 가장자리를 접어서 압착하는 경우에는 진공기밀이 누설되는 경우가 흔하게 발생되므로 방법자체가 진공기밀을 유지하기 위한 방법으로는 적절하지 않다고 볼 수 있다. As the material of the outer surface of the vacuum insulation panel proposed in the prior art, a thin plate (laminating material) or plastic film such as stainless steel, aluminum, iron, etc. is used, and since the thin plate is used, Compression is performed in the shape of the core material. Or through the pressing process (laminating) for a separate bonding to the outer skin and the core material to be bonded. In order to maintain the hermetic vacuum, the sealing method is used at the edge joint or the edge is folded and pressed. However, when the sealing finish is used, the vacuum gas leaks due to degassing of the finish and the adhesion decreases when exposed to the external environment. In addition, when the edges of the outer skin are folded and compressed, leakage of the vacuum seal is often caused, and thus the method itself is not suitable as a method for maintaining the vacuum seal.
따라서 외피의 가장자리를 접합할 때 진공기밀을 완벽하게 유지하기 위한 접합방법이 요구된다.Therefore, when joining the edge of the skin is required a bonding method for maintaining the vacuum tightly.
또한, 심재가 채워지는 상황에서는 대류에 의한 열손실의 원인이 되는 압력을 낮추는데 한계가 있고, 심재 자체의 열전도에 의한 열손실을 피할 수가 없기 때문에 심재를 채우지 않고 진공공간 및 외피의 형상을 유지하는 구조가 요구된다. 즉, 진공배기 후 대기압 하중을 견딜 수 있는 외피의 형상 및 스페이서 구조가 필요하며, 또한 심재를 채우지 않고 스페이서에 의해 진공공간 및 외피의 형상을 유지하는 경우 스페이서를 통한 열전달이 최소가 되도록 하는 스페이서의 구조가 필요하다.In addition, in the situation where the core is filled, there is a limit in lowering the pressure causing the heat loss due to convection, and since the heat loss due to the heat conduction of the core itself cannot be avoided, it is necessary to maintain the shape of the vacuum space and the shell without filling the core. Rescue is required. In other words, the shape of the outer shell and the spacer structure that can withstand the atmospheric pressure load after the vacuum exhaust is necessary, and also to maintain the shape of the vacuum space and the outer shell by the spacer without filling the core material to minimize the heat transfer through the spacer Need structure.
또한, 외피의 가장자리를 밀봉하는데 있어서 진공기밀의 내구성이 보장되는 접합 방법이 요구된다. 따라서, 진공배기 봉입후 10-3torr 이하의 진공압력이 유지될 수 있도록 내부 탈가스량을 줄이기 위한 제조 공정이 필요하므로, 진공 봉입 후 10-3torr 이하의 진공압력이 유지될 수 있는 시스템이 요구된다.There is also a need for a joining method that ensures the durability of the vacuum seal in sealing the edges of the shell. Therefore, a manufacturing process is needed to reduce the amount of internal degassing so that a vacuum pressure of 10 -3 torr or less can be maintained after the vacuum exhaust is sealed. Therefore, a system capable of maintaining a vacuum pressure of 10 -3 torr or less after the vacuum sealing is required. do.
상기와 같은 조건을 충족하기 위해 본 출원인은 특허출원 제10-2010-0073704호를 출원하여 등록받은 바 있다. 상기 출원의 경우 패널의 형상을 일정하게 절곡하고 내부에 스페이서를 장착하여 구조를 견고하게 하고 있으나, 제조가 어렵고 스페이서의 고정 장착이 쉽지 않은 문제점이 있었다.In order to satisfy the above conditions, the applicant has filed and registered a patent application No. 10-2010-0073704. In the case of the above application, the shape of the panel is constantly bent and the structure is firmly installed by mounting a spacer therein, but there is a problem in that manufacturing is difficult and fixed mounting of the spacer is not easy.
본 발명은 기존 진공단열패널보다 단열성능을 더욱 향상시키고, 기존 진공단열패널의 단점들을 해결하고 개선할 수 있는 구조로서 심재를 채우지 않는 진공단열패널의 구조를 제공하는 것과 패널공간의 진공을 향상시키기 위한 게터 구조를 제공하는 것을 목적으로 한다.The present invention further improves the thermal insulation performance and improves the vacuum of the panel space by providing a structure of the vacuum insulation panel that does not fill the core as a structure that can solve and improve the shortcomings of the existing vacuum insulation panel. It is an object of the present invention to provide a getter structure.
또한, 본 발명은 구조가 간단하고 상판 및 하판의 제조가 용이할 뿐만 아니라 스페이서의 장착 및 고정이 용이한 진공단열패널을 제공함으로 목적으로 한다.In addition, an object of the present invention is to provide a vacuum insulation panel having a simple structure, easy to manufacture the upper and lower plates, as well as easy mounting and fixing of the spacer.
또한, 본 발명은 진공배기 봉입 후 10-3torr 이하의 진공압력이 유지될 수 있는 진공단열패널을 제공함을 목적으로 한다.In addition, an object of the present invention is to provide a vacuum insulation panel that can be maintained at a vacuum pressure of 10 -3 torr or less after vacuum exhaust sealing.
상기 목적을 달성하기 위해 본 발명은, 내부 공간에 진공이 형성되는 진공단열패널에 있어서, 외측으로 볼록하게 다수의 볼록부 또는 오목부가 형성되는 상판; 상기 상판의 가장자리를 따라 서로 결합되며, 외측으로 볼록하게 다수의 볼록부 또는 오목부가 형성되는 하판; 상기 상판과 상기 하판에 의해 형성되는 진공공간; 상기 상판과 하판의 평탄면에 장착되어 상기 공간을 유지하기 위한 스페이서; 및 상기 상판 또는 하판의 내측면의 일부면 또는 전면에 게터물질이 도포된 게터부;로 구성되는 것을 특징으로 하는 진공단열패널을 제공한다.In order to achieve the above object, the present invention provides a vacuum insulation panel in which a vacuum is formed in an inner space, the top plate of which a plurality of convex portions or recesses are formed to be convex outward; A lower plate coupled to each other along an edge of the upper plate and having a plurality of convex portions or concave portions convex outwardly; A vacuum space formed by the upper plate and the lower plate; A spacer mounted on a flat surface of the upper plate and the lower plate to maintain the space; And a getter part coated with a getter material on a part or the front surface of the inner surface of the upper plate or the lower plate.
본 발명에서 상판 또는 하판의 볼록부 또는 오목부는, 엠보싱으로 볼록 또는 오목하게 형성되거나, 길이방향으로 길게 볼록 또는 오목하게 형성될 수 있다. 상판 및 하판의 형상을 엠보싱으로 하거나 길이방향으로 길게 볼록 또는 오목하게 형성함으로써 상판 및 하판의 강도를 더 크게 할 수 있다.In the present invention, the convex portion or the concave portion of the upper plate or the lower plate may be formed convex or concave by embossing, or may be formed convex or concave in the longitudinal direction. The strength of the upper and lower plates can be made larger by embossing the upper and lower plates, or by convexly or concave in the longitudinal direction.
본 발명에서 상판 또는 하판 중 어느 하나의 내측면에는 상기 스페이서의 안착을 위한 안착홈이 형성될 수 있다. 안착홈이 형성됨으로써 스페이서의 설치 및 고정이 용이해진다는 장점이 있다.In the present invention, a mounting groove for mounting the spacer may be formed on the inner surface of any one of the upper and lower plates. There is an advantage that the mounting groove is formed to facilitate the installation and fixing of the spacer.
본 발명에서 상판 및 하판의 내측면에는 서로 대응되는 스페이서 상판 안착홈과 하판 안착홈이 더 형성되고, 상기 서로 대응되는 상판 및 하판 안착홈에 스페이서가 장착되어 고정될 수 있다. 상판 및 하판 모두에 안착홈이 형성됨으로써 스페이서의 설치 및 고정이 더 용이해진다는 장점이 있다.In the present invention, the upper and lower plates may have spacers corresponding to each other, and the upper and lower seating recesses may be further formed, and spacers may be mounted and fixed to the upper and lower seating recesses corresponding to each other. There is an advantage that the mounting groove is formed in both the upper plate and the lower plate to facilitate the installation and fixing of the spacer.
본 발명의 스페이서는 봉형상으로 형성되고, 상기 봉형상의 스페이서 상단 및 하단은 평면으로 형성될 수 있다. 스페이서에 의한 열전달을 줄이기 위해 본 발명에서는 스페이서의 상단 및 하단 평면에 요철이 더 형성되게 할 수 있다. 요철이 형성됨으로써 스페이서와 상판 및 하판의 접촉면적을 줄일 수 있어 열전달을 방지할 수 있다.The spacer of the present invention may be formed in a rod shape, and the upper and lower ends of the rod-shaped spacer may be formed in a plane. In order to reduce heat transfer by the spacer, in the present invention, irregularities may be further formed in the top and bottom planes of the spacer. By forming the unevenness, it is possible to reduce the contact area between the spacer, the upper plate and the lower plate, thereby preventing heat transfer.
본 발명의 스페이서는 봉형상으로 형성되고, 상기 봉형상의 스페이서 상단 및 하단은 가장자리에서 내측으로 경사져 형성될 수 있다. 스페이서의 상단 및 하단이 가장자리에서 내측으로 경사져 형성됨으로써, 스페이서와 상판 및 하판이 서로 선접촉을 할 수 있도록 하여 접촉면적이 줄어드는 장점이 있다. 상판 및 하판과 스페이서가 선접촉을 함으로써 스페이서에 의한 열전달을 가능한 줄일 수 있다는 장점이 있다. The spacer of the present invention may be formed in a rod shape, and the upper and lower ends of the rod-shaped spacer may be formed to be inclined inward from the edge. Since the upper and lower ends of the spacer are inclined from the edge to the inner side, the spacer, the upper plate, and the lower plate can be in line contact with each other, thereby reducing the contact area. The upper plate and the lower plate and the spacer is in line contact has the advantage that the heat transfer by the spacer can be reduced as possible.
본 발명의 스페이서는 봉형상의 하부몸체와 포켓 형상으로 확관된 상부몸체가 결합되어 형성될 수 있다. 상부와 하부의 직경이 다름으로써, 스페이서의 고정 및 안정적인 지지를 할 수 있다는 장점이 있다. 스페이서에 의한 열전달을 줄이기 위해 하부몸체의 하단과 상부 몸체의 상단은 가장자리에서 내측으로 경사져 형성되도록 할 수 있다. 그에 따라 스페이서와 상판 및 하판은 서로 선접촉을 할 수 있다. 또한 하부몸체의 하단과 상부 몸체의 상단은 평면으로 형성될 수도 있다.The spacer of the present invention may be formed by coupling the lower body of the rod-like body and the upper body piped into the pocket shape. Since the upper and lower diameters are different, there is an advantage that the spacer can be fixed and stable. In order to reduce heat transfer by the spacer, the lower end of the lower body and the upper end of the upper body may be formed to be inclined inward from the edge. Accordingly, the spacer, the upper plate and the lower plate can be in line contact with each other. In addition, the lower end of the lower body and the upper end of the upper body may be formed in a plane.
본 발명에서 상판 및 하판이 서로 결합하는 가장자리에는 가장자리 스페이서가 삽입되고, 상기 가장자리 스페이서의 상하로 상판 및 하판이 서로 결합될 수 있다. 가장자리 스페이서는, 단면이 'ㄷ'형상 또는 주름진 형상으로 형성될 수 있다. 또한, 가장자리 스페이서의 내측면에는 게터물질이 더 도포되어 상기 게터부가 확장될 수 있다. 게터물질이 상판 또는 하판의 내측면에 전부 또는 일부 도포됨으로써, 진공공간 내부에 존재하는 가스들을 흡착하여 진공공간 내의 압력 상승을 막을 수 있다.In the present invention, an edge spacer may be inserted into an edge at which the upper and lower plates are coupled to each other, and the upper and lower plates may be coupled to each other above and below the edge spacer. The edge spacers may be formed in a cross-sectional shape or a corrugated shape. In addition, a getter material may be further coated on an inner surface of the edge spacer to expand the getter part. The getter material is applied to all or part of the inner surface of the upper plate or the lower plate, so as to adsorb gases existing in the vacuum space to prevent the pressure increase in the vacuum space.
본 발명에 따른 진공단열패널은 패널 내부에 스페이서의 장착이 용이하고, 고정할 수 있는 구조를 취하고 있기 때문에 패널의 형상의 변형을 방지하고 진공특성을 향상시킴으로써 방음력이 우수한 특성을 가진다.Since the vacuum insulation panel according to the present invention has a structure in which a spacer can be easily mounted and fixed inside the panel, the vacuum insulation panel prevents deformation of the shape of the panel and improves vacuum characteristics, thereby having excellent sound insulation.
또한, 본 발명은 심재를 사용하지 않으므로, 심재를 사용할 때 발생되는 환경오염 문제를 제거할 수 있어 친환경적이며, 심재를 사용할 때보다 폐기자재에 대한 재활용도가 높다.In addition, since the present invention does not use a core material, it is possible to eliminate the environmental pollution problems caused when using the core material is environmentally friendly, and the recycling degree for the waste material is higher than when using the core material.
또한, 본 발명에 따른 진공단열패널은 쉽게 제조가 가능하기 때문에 제조비용을 줄일 수 있는 장점이 있으며, 다수의 볼록부 또는 오목부를 형성함으로써 구조의 견고성을 추구할 수 있는 장점이 있다.In addition, since the vacuum insulation panel according to the present invention can be easily manufactured, there is an advantage to reduce the manufacturing cost, there is an advantage to pursue the robustness of the structure by forming a plurality of convex portion or concave portion.
또한, 건축 및 산업 단열소재로 활용하는 경우 열전도도를 획기적으로 줄일 수 있어 에너지절감 효과가 매우 크며, 건축물의 단열과 냉장고, 냉장시설 등 그 밖의 단열 소재로도 활용할 수 있다는 장점을 가진다.In addition, when used as a building and industrial insulation materials it can significantly reduce the thermal conductivity is very energy-saving effect, and has the advantage that can be used as other insulation materials, such as insulation of the building, refrigerator, refrigeration facilities.
도 1은 본 발명에 따른 진공단열패널의 제1실시예의 사시도.1 is a perspective view of a first embodiment of a vacuum insulation panel according to the present invention.
도 2는 본 발명에 따른 진공단열패널의 제1실시예의 단면도.2 is a cross-sectional view of a first embodiment of a vacuum insulation panel according to the present invention.
도 3은 본 발명에 따른 진공단열패널의 제1실시예의 스페이서 장착도.Figure 3 is a spacer mounting of the first embodiment of the vacuum insulation panel according to the present invention.
도 4는 본 발명에 따른 진공단열패널의 제1실시예의 스페이서의 다른 장착도.Figure 4 is another mounting of the spacer of the first embodiment of the vacuum insulation panel according to the present invention.
도 5는 본 발명에 따른 진공단열패널의 스페이서의 제1실시예의 사시도 및 단면도.5 is a perspective view and a cross-sectional view of a first embodiment of a spacer of a vacuum insulation panel according to the present invention.
도 6은 본 발명에 따른 진공단열패널의 스페이서의 제2실시예의 사시도 및 단면도.6 is a perspective view and a cross-sectional view of a second embodiment of the spacer of the vacuum insulation panel according to the present invention.
도 7은 본 발명에 따른 진공단열패널의 스페이서의 제3실시예의 사시도 및 단면도.7 is a perspective view and a cross-sectional view of a third embodiment of the spacer of the vacuum insulation panel according to the present invention.
도 8은 본 발명에 따른 진공단열패널의 스페이서의 제4실시예의 사시도 및 단면도.8 is a perspective view and a cross-sectional view of a fourth embodiment of the spacer of the vacuum insulation panel according to the present invention.
도 9는 본 발명에 따른 진공단열패널의 스페이서의 제5실시예의 사시도 및 단면도.9 is a perspective view and a cross-sectional view of a fifth embodiment of the spacer of the vacuum insulation panel according to the present invention.
도 7은 본 발명에 따른 진공단열패널의 제2실시예의 스페이서의 다른 장착도.Figure 7 is another mounting of the spacer of the second embodiment of the vacuum insulation panel according to the present invention.
도 10은 본 발명에 따른 진공단열패널의 가장자리 스페이서의 제1실시예의 단면도.10 is a cross-sectional view of the first embodiment of the edge spacer of the vacuum insulation panel according to the present invention.
도 11은 본 발명에 따른 진공단열패널의 가장자리 스페이서의 제2실시예의 단면도.11 is a cross-sectional view of a second embodiment of the edge spacer of the vacuum insulation panel according to the present invention.
도 12는 본 발명에 따른 진공단열패널의 제2실시예의 단면도.12 is a sectional view of a second embodiment of a vacuum insulation panel according to the present invention.
도 13은 본 발명에 따른 진공단열패널의 제3실시예의 사시도.13 is a perspective view of a third embodiment of a vacuum insulation panel according to the present invention.
도 14는 본 발명에 따른 진공단열패널의 제4실시예의 사시도.14 is a perspective view of a fourth embodiment of a vacuum insulation panel according to the present invention.
본 발명의 실시를 위한 최선의 형태는, 내부 공간에 진공이 형성되는 진공단열패널에 있어서, 외측으로 볼록하게 다수의 볼록부 또는 오목부가 형성되는 상판; 상기 상판의 가장자리를 따라 서로 결합되며, 외측으로 볼록하게 다수의 볼록부 또는 오목부가 형성되는 하판; 상기 상판과 상기 하판에 의해 형성되는 진공공간; 상기 상판과 하판의 평탄면에 장착되어 상기 공간을 유지하기 위한 스페이서; 및 상기 상판 또는 하판의 내측면의 일부면 또는 전면에 게터물질이 도포된 게터부;로 구성된다.Best Mode for Carrying Out the Invention The best mode for carrying out the present invention includes: a vacuum insulation panel in which a vacuum is formed in an inner space, the top plate having a plurality of convex portions or recesses formed to be convex outwardly; A lower plate coupled to each other along an edge of the upper plate and having a plurality of convex portions or concave portions convex outwardly; A vacuum space formed by the upper plate and the lower plate; A spacer mounted on a flat surface of the upper plate and the lower plate to maintain the space; And a getter part coated with a getter material on a part or front surface of an inner surface of the upper or lower plate.
이하에서는, 본 발명의 바람직한 실시예를 첨부도면을 참조하여 상세하게 설명하기로 한다. 다만, 이는 본 발명이 속하는 기술분야에서 통상의 지식을 가진 자가 발명을 용이하게 실시할 수 있을 정도로 상세하게 설명하기 위한 것이지, 이로 인해 본 발명의 기술적 사상 및 범주가 한정되는 것을 의미하는 것은 아니다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, this is only to describe in detail enough to be able to easily carry out the invention by those skilled in the art, which does not mean that the technical spirit and scope of the present invention is limited.
우선, 본 발명의 바람직한 실시예를 설명하기에 앞서, 본 발명의 여러 실시예에 있어서 기술적 특징이 동일한 구성에 대하여는 동일한 부호를 사용함을 미리 밝혀둔다.First, prior to describing the preferred embodiment of the present invention, it is noted that in the various embodiments of the present invention, the same reference numerals are used for the same configuration.
도 1은 본 발명에 따른 진공단열패널의 제1실시예의 사시도이고, 도 2는 본 발명에 따른 진공단열패널의 제1실시예의 단면도이고, 도 3은 본 발명에 따른 진공단열패널의 제1실시예의 스페이서 장착도이고, 도 4는 본 발명에 따른 진공단열패널의 제1실시예의 스페이서의 다른 장착도이고, 도 5는 본 발명에 따른 진공단열패널의 스페이서의 제1실시예의 사시도 및 단면도이고, 도 6은 본 발명에 따른 진공단열패널의 스페이서의 제2실시예의 사시도 및 단면도이고, 도 7은 본 발명에 따른 진공단열패널의 스페이서의 제3실시예의 사시도 및 단면도이고, 도 8은 본 발명에 따른 진공단열패널의 스페이서의 제4실시예의 사시도 및 단면도이고, 도 9는 본 발명에 따른 진공단열패널의 스페이서의 제5실시예의 사시도 및 단면도이고, 도 7은 본 발명에 따른 진공단열패널의 제2실시예의 스페이서의 다른 장착도이고, 도 10은 본 발명에 따른 진공단열패널의 가장자리 스페이서의 제1실시예의 단면도이고, 도 11은 본 발명에 따른 진공단열패널의 가장자리 스페이서의 제2실시예의 단면도이고, 도 12는 본 발명에 따른 진공단열패널의 제2실시예의 단면도이고, 도 13은 본 발명에 따른 진공단열패널의 제3실시예의 사시도이고, 도 14는 본 발명에 따른 진공단열패널의 제4실시예의 사시도이다.1 is a perspective view of a first embodiment of a vacuum insulation panel according to the present invention, Figure 2 is a cross-sectional view of a first embodiment of a vacuum insulation panel according to the present invention, Figure 3 is a first embodiment of a vacuum insulation panel according to the present invention 4 is another mounting view of the spacer of the first embodiment of the vacuum insulation panel according to the present invention, and FIG. 5 is a perspective view and a cross-sectional view of the first embodiment of the spacer of the vacuum insulation panel according to the present invention; 6 is a perspective view and a cross-sectional view of a second embodiment of the spacer of the vacuum insulation panel according to the present invention, Figure 7 is a perspective view and a cross-sectional view of a third embodiment of the spacer of the vacuum insulation panel according to the present invention, Figure 8 is a 9 is a perspective view and a cross-sectional view of a fourth embodiment of the spacer of the vacuum insulation panel according to the present invention. FIG. 9 is a perspective view and a cross-sectional view of a fifth embodiment of the spacer of the vacuum insulation panel according to the present invention. Fig. 10 is a cross-sectional view of the first embodiment of the edge spacer of the vacuum insulation panel according to the present invention, and Fig. 11 is a second view of the edge spacer of the vacuum insulation panel according to the present invention. 12 is a cross-sectional view of a second embodiment of a vacuum insulation panel according to the present invention, FIG. 13 is a perspective view of a third embodiment of a vacuum insulation panel according to the present invention, and FIG. 14 is a vacuum insulation according to the present invention. A perspective view of a fourth embodiment of a panel.
도 1 내지 도 4를 참조하여 본 발명에 따른 진공단열패널(1)의 제1실시예에 대한 구성을 상세히 설명하기로 한다. 본 발명에 따른 진공단열패널(1)의 제1실시예는, 도 1 및 도 2에 도시된 바와 같이 외측으로 볼록하게 다수의 엠보싱(12)이 형성되는 상판(10)과, 상기 상판(10)의 가장자리를 따라 서로 결합되며, 외측으로 볼록하게 다수의 엠보싱(22)이 형성되는 하판(20)과, 상기 상판(10)과 상기 하판(20)에 의해 형성되는 진공공간(S)과, 상기 상판(10)과 하판(20)의 평탄면(11)에 장착되어 상기 공간(S)을 유지하기 위한 스페이서(30)로 구성된다. 1 to 4 will be described in detail the configuration of the first embodiment of the vacuum insulation panel 1 according to the present invention. The first embodiment of the vacuum insulation panel 1 according to the present invention, the top plate 10 is formed with a plurality of embossing 12 convex outward as shown in Figs. 1 and 2 and the top plate 10 And coupled to each other along the edge of the lower plate 20 is formed with a plurality of embossing 22 convex outward, the vacuum space (S) formed by the upper plate 10 and the lower plate 20, It is mounted to the flat surface 11 of the upper plate 10 and the lower plate 20 is composed of a spacer 30 for maintaining the space (S).
상판(10)은 하판(20)과 함께 진공공간(S)을 형성하고, 상판(10)과 하판(20)의 가장자리는 브레이징 용접 등을 이용하여 접합되며, 가장자리에는 가장자리 스페이서(40)를 이용하여 접합된다. 상판(10) 및 하판(20)은 알루미늄 판재, 스테인레스스틸 판재, 카본스틸 판재, 유리판재, 테프론 판재 또는 플라스틱 판재를 사용할 수 있으며, 또한 강도가 우수한 고강도 합성수지 판재를 사용할 수도 있다. The upper plate 10 forms a vacuum space S together with the lower plate 20, and the edges of the upper plate 10 and the lower plate 20 are joined by brazing welding or the like, and the edge spacers 40 are used at the edges thereof. Is bonded. The upper plate 10 and the lower plate 20 may use an aluminum plate, a stainless steel plate, a carbon steel plate, a glass plate, a teflon plate, or a plastic plate, and may use a high strength synthetic resin plate having excellent strength.
도 2에 도시된 바와 같이 상판(10)에 엠보싱(12)을 형성하고, 하판(20)에도 엠보싱(22)을 형성한다. 양측에 엠보싱을 형성함으로써 형상에 따른 질량관성모멘트가 크지기 때문에 강도가 강해지는 장점을 가진다. 또한, 엠보싱(12, 22)에 의한 내부 공간(S)을 크게 할 수 있다는 장점도 있다. 엠보싱(12, 22)과 엠보싱(12, 22) 사이의 평탄면(11, 21)에는 스페이서(30)가 장착된다. 스페이서(30)에 의해 상판(10)과 하판(20)을 지지하게 하여 내부 진공공간(S)을 확보한다.As shown in FIG. 2, an embossing 12 is formed on the upper plate 10, and an embossing 22 is also formed on the lower plate 20. By forming embossing on both sides, the mass moment of inertia according to the shape is increased, which has the advantage of increasing strength. In addition, there is an advantage that the internal space S by the embossing 12, 22 can be enlarged. Spacers 30 are mounted on flat surfaces 11, 21 between embossing 12, 22 and embossing 12, 22. The upper plate 10 and the lower plate 20 are supported by the spacer 30 to secure the internal vacuum space S.
도 3에 도시된 바와 같이 평탄면(11, 21)에는 스페이서(30)가 장착된다. 도 3의 (a)도면에는 하판(20)에만 스페이서 안착홈(23)이 형성된 것을 도시하고 있다. 안착홈(23)이 형성됨으로써, 안착홈에는 스페이서(30)를 쉽게 고정 장착할 수 있으며, 스페이서(30)가 외측으로 이탈되는 등의 문제점을 방지할 수 있다. 도 3의 (b)는 스페이서(30)를 없앤 상태의 도면을 도시하고 있다. 상판(10)에는 게터부(14)가 형성된다.As shown in FIG. 3, spacers 30 are mounted on the flat surfaces 11 and 21. FIG. 3A illustrates that the spacer seating grooves 23 are formed only on the lower plate 20. Since the seating groove 23 is formed, the spacer 30 may be easily fixed to the seating groove, and a problem such as the spacer 30 may be detached to the outside may be prevented. FIG. 3B shows a view in which the spacer 30 is removed. The getter part 14 is formed in the upper plate 10.
도 4에 도시된 바와 같이 평탄면(11, 21)에는 스페이서가(30)가 장착된다. 도 4의 (a)도면에 도시된 바와 같이 상판 및 하판 모두에 안착홈(13, 23)이 형성된 상태에서 스페이서(30)가 장착된 것을 도시하고 있다. 상판 및 하판 모두에 안착홈이 형성됨으로써, 스페이서(30)의 장착 및 고정이 더 쉬워진다. 상판(10)에는 게터부(14)가 형성된다.As shown in FIG. 4, spacers 30 are mounted on the flat surfaces 11 and 21. As shown in FIG. 4 (a), the spacer 30 is mounted in a state in which the mounting grooves 13 and 23 are formed in both the upper and lower plates. Since the mounting grooves are formed in both the upper plate and the lower plate, mounting and fixing of the spacer 30 become easier. The getter part 14 is formed in the upper plate 10.
도 5 내지 도 9는 스페이서의 실시예들을 도시하고 있다. 5-9 illustrate embodiments of spacers.
도 5에 도시된 바와 같이, 스페이서의 제1실시예(30a)는 봉형상의 스페이서로 구성된다. 봉형상의 스페이서(30a)로서, 상단 및 하단이 평면(31a)으로 형성된다.As shown in Fig. 5, the first embodiment 30a of the spacer is composed of a rod-shaped spacer. As the rod-shaped spacer 30a, the upper end and the lower end are formed in the plane 31a.
도 6은 스페이서의 제2실시예(30b)를 도시하고 있다. 제2실시예(30b)에서는 상단 및 하단이 가장자리에서 경사져 형성되어 가장자리가 하나의 원으로 된 선을 형성하고 있다. 따라서 상판 및 하판과 선접촉을 할 수 있어서 스페이서에 의한 열전달을 줄일 수 있다는 장점이 있다.6 shows a second embodiment 30b of a spacer. In the second embodiment 30b, the upper end and the lower end are formed to be inclined at the edge to form a line with one circle at the edge. Therefore, there is an advantage that can be in line contact with the upper and lower plates to reduce the heat transfer by the spacer.
도 7은 스페이서의 제3실시예(30c)를 도시하고 있다. 제3실시예(30c)에서는 상단 및 하단의 평면부에 요철(31c)을 형성한다. 요철을 형성함으로써 스페이서와 상판 및 하판이 다수의 원을 이루는 선과 접촉을 하게 되어 스페이서에 의한 열전달을 줄일 수 있다.Fig. 7 shows a third embodiment 30c of the spacer. In the third embodiment 30c, the unevenness 31c is formed in the planar portions of the upper and lower ends. By forming the unevenness, the spacer, the upper plate, and the lower plate come into contact with lines forming a plurality of circles, thereby reducing heat transfer by the spacer.
도 8은 스페이서의 제4실시예(30d)를 도시하고 있다. 제4실시예(30d)에서는 봉형상의 하부몸체(32d)와 포켓이 형성된 상부몸체(33d)로 형성된 스페이서를 도시하고 있다. 스페이서(30d)의 상단 및 하단은 가장자리로부터 내측으로 경사져 형성되도록 하여 스페이서(30d)와 상판 및 하판이 선접촉할 수 있도록 한다. 또한, 상부몸체의 직경이 더 크기 때문에 스페이서가 더 안정적으로 고정 장착될 수 있는 장점을 가진다.8 shows a fourth embodiment 30d of a spacer. In the fourth embodiment 30d, a spacer formed of a rod-shaped lower body 32d and an upper body 33d having pockets is shown. The upper and lower ends of the spacer 30d are formed to be inclined inward from the edge so that the spacer 30d and the upper and lower plates can be in line contact. In addition, since the diameter of the upper body is larger, the spacer can be more securely mounted.
도 9는 스페이서의 제5실시예(30e)를 도시하고 있다. 제5실시예(30e)에서는 봉형상의 하부몸체(32e)와 포켓이 형성된 상부몸체(33e)로 형성된 스페이서를 도시하고 있다. 상부몸체와 하부몸체는 하나의 몸체로 형성될 수도 있다. 스페이서의 상단(34e) 및 하단(31e)은 평면으로 형성되어 있으며, 이 경우에서도 도면에는 도시되지 않았지만 상단 및 하단은 가장자리에서 내측으로 경사져 형성될 수 있다. 또한 도면에 도시되지는 않았지만 스페이서가 하단에서부터 점차적으로 확관되어 상단으로 마무리되는 끝이 잘린 원뿔형으로 유추할 수 있다.9 shows a fifth embodiment 30e of a spacer. In the fifth embodiment 30e, a spacer formed of a rod-shaped lower body 32e and an upper body 33e having pockets is shown. The upper body and the lower body may be formed of a single body. The upper end 34e and the lower end 31e of the spacer are formed in a plane, and in this case, although not shown in the drawing, the upper and lower ends may be formed to be inclined inward from the edge. In addition, although not shown in the drawings, the spacer may be inferred into a truncated conical shape in which the spacer is gradually expanded from the bottom and finished to the top.
도 10 및 도 11은 상판(10)과 하판(20)의 가장자리에 가장자리 스페이서(40, 40')를 브레이징 용접 등을 이용하여 접합된 것을 도시하고 있다. 가장자리의 접합은 일반적으로 브레이징 용접이 많이 사용된다. 가장자리 스페이서(40, 40')의 내측에는 게터물질을 도포하여 게터부(14)를 더 확장할 수 있다. 도 10의 가장자리 스페이서(40')는 유리판재 등에 적합할 수 있다. 가장자리 스페이서(40')를 유리판재의 양측 가장자리에 삽입하여 형성하거나 브레이징 용접을 이용하여 접합할 수도 있다. 또한, 유리판재가 아닌 경우라도 주름진 형상의 금속재 스페이서를 사용할 수도 있다. 주름진 형상의 스페이서의 경우, 스페이서(40')가 가장자리에서 완충기능을 수행할 수 있기 때문에 내구성이 강하다는 장점이 있다.10 and 11 show that the edge spacers 40 and 40 'are joined to the edges of the upper plate 10 and the lower plate 20 by brazing welding or the like. Edge joining is generally used for brazing welding. The getter portion 14 may be further extended by applying a getter material to the inside of the edge spacers 40 and 40 '. The edge spacers 40 'of FIG. 10 may be suitable for glass sheets or the like. The edge spacers 40 'may be formed by being inserted into both edges of the glass sheet or joined by brazing welding. Moreover, even if it is not a glass plate material, a corrugated metal spacer can also be used. In the case of a corrugated spacer, since the spacer 40 'can perform a buffer function at the edge, durability is strong.
도 12는 본 발명에 따른 진공단열패널(1)의 제2실시예를 보여주고 있다. 제2실시예는 엠보싱(12', 22')을 내측으로 오목하게 형성한 것에 특징이 있으며, 다른 구성은 제1실시예와 동일하므로 구체적인 설명은 생략하기로 한다.12 shows a second embodiment of the vacuum insulation panel 1 according to the present invention. The second embodiment is characterized in that the embossing 12 ', 22' is formed to be concave inwardly, and the other configuration is the same as the first embodiment, and thus a detailed description thereof will be omitted.
도 13 및 도 14는 진공단열패널의 제3 및 제4실시예를 도시하고 있다. 도면에 도시된 바와 같이, 길이방향으로 길게 형성되는 볼록부와 오목부로 구성되며, 단면은 도 2 및 도 12와 동일하므로 구성에 대한 구체적인 설명은 생략하기로 한다.13 and 14 show the third and fourth embodiments of the vacuum insulation panel. As shown in the figure, it is composed of a convex portion and a concave portion formed long in the longitudinal direction, the cross section is the same as Figures 2 and 12, so a detailed description of the configuration will be omitted.
이하 구체적으로 제1실시예를 기준으로 진공단열패널의 기능을 설명하기로 한다. Hereinafter, the function of the vacuum insulation panel will be described in detail with reference to the first embodiment.
상판(10)과 하판(20)에 의해 형성되는 공간은 진공공간(S)으로 형성된다. 진공도는 10-3 torr 이하의 진공압이 유지되도록 형성된다. 진공도를 10-3 torr 이하로 유지하기 위해 상판(10)의 내측면 일부분 또는 전면에 게터부(14)가 형성된다. 게터부(14)는 게터가 도포되어 형성되거나 게터를 시트지에 도포한 후 시트지를 상판(10)에 부착하여 형성할 수 있다. 경우에 따라서는 하판(20)에 도포될 수도 있다. 게터부는 진공공간(S)을 형성하기 위해 진공배기 봉입 후 내부 탈가스로 인해 증가되는 잔류가스를 효과적으로 흡착하기 위해 사용된다. 게터부(14)는 확산 게터 또는 비확산 게터를 사용할 수 있다. 게터의 종류로는 바륨(Ba) 또는 지르코늄(Zr)계 합금, 바륨(Ba)-리튬(Li)계 합금, 지르코늄(Zr)-바나듐(V)-철(Fe)계 합금, 알칼리 금속, 알칼리 토금속, 바륨, 마그네슘, 칼슘, 스트론튬, 티타늄, 지르코늄, 바나듐 등의 물질을 단독 또는 합금화한 물질이 사용될 수 있다.The space formed by the upper plate 10 and the lower plate 20 is formed as a vacuum space (S). The degree of vacuum is formed to maintain a vacuum pressure of 10 −3 torr or less. A getter portion 14 is formed on a portion or the front side of the inner side of the top plate 10 to maintain the degree of vacuum below 10 -3 torr. The getter unit 14 may be formed by applying a getter or applying the getter to sheet paper and then attaching the sheet paper to the top plate 10. In some cases, it may be applied to the lower plate 20. The getter part is used to effectively adsorb the residual gas that is increased due to internal degassing after the vacuum exhaust is sealed to form the vacuum space (S). The getter portion 14 may use a diffusion getter or a non-diffusion getter. Types of getters include barium (Ba) or zirconium (Zr) based alloys, barium (Ba)-lithium (Li) based alloys, zirconium (Zr)-vanadium (V)-iron (Fe) based alloys, alkali metals, alkalis Materials alone or alloyed with materials such as earth metals, barium, magnesium, calcium, strontium, titanium, zirconium and vanadium may be used.
상판(10)과 하판(20) 사이에는 대기압에 의해 상판 및 하판이 변형되는 것을 방지하기 위해 스페이서(30)가 장착된다. 스페이서(30)는 제조나 설치를 위해 봉형상으로 된 스페이서를 사용할 수 있다. 또한 상판(10)과 하판(20)은 변형방지를 위해 질량관성모멘트가 크질 수 있도록 하기 위해 외측 또는 내측으로 볼록한 엠보싱(12, 22)을 형성할 수 있다. 스페이서(30)는 평탄면(11, 21) 사이에 다수 개가 장착된다. 이 경우 스페이서(30)는 상판과 하판의 평탄면에 장착되며, 하판에는 안착홈(23)을 형성하여 스페이서(30)가 고정 장착될 수 있도록 할 수 있다. 또한 스페이서(30)의 강한 고정을 위해서 상판에도 안착홈(13)을 형성할 수도 있다. 안착홈(23)이 형성되어 있기 때문에 스페이서(30)의 안착이 용이하여 고정 및 설치에도 유리하다.The spacer 30 is mounted between the upper plate 10 and the lower plate 20 to prevent the upper plate and the lower plate from being deformed by atmospheric pressure. The spacer 30 may use a rod-shaped spacer for manufacture or installation. In addition, the upper plate 10 and the lower plate 20 may form embossed 12 and 22 convex outwardly or inwardly so that the mass moment of inertia can be large to prevent deformation. A plurality of spacers 30 are mounted between the flat surfaces 11 and 21. In this case, the spacer 30 may be mounted on the flat surface of the upper plate and the lower plate, and the mounting plate 23 may be formed on the lower plate so that the spacer 30 may be fixedly mounted. In addition, the mounting groove 13 may be formed in the upper plate for the strong fixing of the spacer 30. Since the seating grooves 23 are formed, the seating of the spacer 30 is easy to mount, which is advantageous to fixation and installation.
본 발명에 따른 진공단열패널 다양한 형태로 응용할 수 있다. 또한, 진공단열패널은 건축용 뿐만 아니라, 냉온이나 보온이 필요한 냉장고나 냉장시설 등에서도 유용하게 사용될 수 있다. 현대와 같이 이산화탄소의 저감을 필요로 하는 시기에는 상기와 같은 본 발명에 따른 진공단열패널이 필수적으로 요구된다고 할 것이다.Vacuum insulation panel according to the present invention can be applied in various forms. In addition, the vacuum insulation panel can be usefully used not only for construction, but also in refrigerators or refrigeration facilities that require cold or warmth. When the time required to reduce the carbon dioxide as in modern times, it will be said that the vacuum insulation panel according to the present invention as described above is required.
본 발명은 기존의 외피 내부에 심재가 채워진 진공단열패널의 단열특성을 향상시키기 위한 진공단열패널의 구조개선에 관한 것으로서, 진공공간에 스페이서를 장착하여 외피의 구조가 대기압 하중을 지지하도록 함과 동시에 전도에 의한 열전달이 최소가 되도록 하며, 패널 내부 진공도가 10-3torr 이하가 항구적으로 유지되도록 패널내면에 확산 또는 비확산게터를 형성한 진공단열패널에 관한 발명으로서 산업상 이용가능성이 높은 발명이다.The present invention relates to the improvement of the structure of the vacuum insulation panel for improving the thermal insulation characteristics of the vacuum insulation panel filled with a core material in the existing outer shell, by mounting a spacer in the vacuum space to support the atmospheric pressure load The invention relates to a vacuum insulation panel in which diffusion or non-diffusion getters are formed on the inner surface of the panel so that heat transfer by conduction is minimized and the panel inner vacuum degree is maintained at 10 −3 torr or less permanently.

Claims (13)

  1. 내부 공간에 진공이 형성되는 진공단열패널에 있어서,In the vacuum insulation panel in which a vacuum is formed in the inner space,
    외측으로 볼록하게 다수의 볼록부 또는 오목부가 형성되는 상판;An upper plate on which a plurality of convex portions or concave portions are formed to be convex outwardly;
    상기 상판의 가장자리를 따라 서로 결합되며, 외측으로 볼록하게 다수의 볼록부 또는 오목부가 형성되는 하판;A lower plate coupled to each other along an edge of the upper plate and having a plurality of convex portions or concave portions convex outwardly;
    상기 상판과 상기 하판에 의해 형성되는 진공공간;A vacuum space formed by the upper plate and the lower plate;
    상기 상판과 하판의 평탄면에 장착되어 상기 공간을 유지하기 위한 스페이서; 및 A spacer mounted on a flat surface of the upper plate and the lower plate to maintain the space; And
    상기 상판 또는 하판의 내측면의 일부면 또는 전면에 게터물질이 도포된 게터부;A getter portion having a getter material coated on a portion or the entire surface of the inner surface of the upper or lower plate;
    로 구성되는 것을 특징으로 하는 진공단열패널.Vacuum insulation panel, characterized in that consisting of.
  2. 제1항에 있어서,The method of claim 1,
    상기 상판 또는 하판의 볼록부 또는 오목부는, 엠보싱으로 볼록 또는 오목하게 형성되거나, 길이방향으로 길게 볼록 또는 오목하게 형성되는 것을 특징으로 하는 진공단열패널.The convex portion or the concave portion of the upper plate or the lower plate is convex or concave by embossing, or a vacuum insulation panel characterized in that it is formed convex or concave in the longitudinal direction.
  3. 제1항에 있어서,The method of claim 1,
    상기 상판 또는 하판 중 어느 하나의 내측면에는 상기 스페이서의 안착을 위한 안착홈이 형성되는 것을 특징으로 하는 진공단열패널.The inner surface of any one of the upper plate or the lower plate is a vacuum insulating panel, characterized in that the mounting groove for the seating of the spacer is formed.
  4. 제1항에 있어서,The method of claim 1,
    상기 상판 및 하판의 내측면에는 서로 대응되는 스페이서 상판 안착홈과 하판 안착홈이 더 형성되고, 상기 서로 대응되는 상판 및 하판 안착홈에 스페이서가 장착되어 고정되는 것을 특징으로 하는 진공단열패널.The inner surface of the upper plate and the lower plate is further formed with a spacer upper plate seating groove and the lower plate mounting groove corresponding to each other, the vacuum insulation panel, characterized in that the spacer is mounted and fixed to the upper plate and the lower plate mounting groove corresponding to each other.
  5. 제1항에 있어서,The method of claim 1,
    상기 스페이서는 봉형상으로 형성되고, 상기 봉형상의 스페이서 상단 및 하단은 평면인 것을 특징으로 하는 진공단열패널.The spacer is formed in a rod shape, the upper and lower ends of the rod-shaped spacer, characterized in that the vacuum insulation panel.
  6. 제1항에 있어서,The method of claim 1,
    상기 스페이서는 봉형상으로 형성되고, 상기 봉형상의 스페이서 상단 및 하단은 가장자리에서 내측으로 경사져 형성되는 것을 특징으로 하는 진공단열패널.The spacer is formed in a rod shape, the upper and lower ends of the rod-shaped spacer, characterized in that the inclined inward from the edge is formed in the vacuum insulation panel.
  7. 제5항에 있어서,The method of claim 5,
    상기 상단 및 하단 평면에는 요철이 형성되는 것을 특징으로 진공단열패널.Vacuum insulation panel, characterized in that irregularities are formed in the top and bottom planes.
  8. 제1항에 있어서,The method of claim 1,
    상기 스페이서는 봉형상의 하부몸체와 포켓 형상으로 확관된 상부몸체가 결합되어 형성되는 것을 특징으로 하는 진공단열패널.The spacer is a vacuum insulating panel, characterized in that the lower body and the rod-shaped upper body is expanded to form a coupling.
  9. 제8항에 있어서,The method of claim 8,
    상기 하부몸체의 하단과 상부 몸체의 상단은 가장자리에서 내측으로 경사져 형성되는 것을 특징으로 하는 진공단열패널.The lower end of the lower body and the upper end of the upper body is a vacuum insulation panel, characterized in that formed inclined inward from the edge.
  10. 제8항에 있어서,The method of claim 8,
    상기 하부몸체의 하단과 상부 몸체의 상단은 평면으로 형성되는 것을 특징으로 하는 진공단열패널.The lower end of the lower body and the upper end of the upper body is a vacuum insulation panel, characterized in that formed in a flat.
  11. 제1항에 있어서,The method of claim 1,
    상기 상판 및 하판이 서로 결합하는 가장자리에는 가장자리 스페이서가 삽입되고, 상기 가장자리 스페이서의 상하로 상판 및 하판이 서로 결합되는 것을 특징으로 하는 진공단열패널.An edge spacer is inserted into an edge at which the upper and lower plates are coupled to each other, and the upper and lower plates are coupled to each other by the upper and lower edge spacers.
  12. 제11항에 있어서,The method of claim 11,
    상기 가장자리 스페이서는, 단면이 'ㄷ'형상 또는 주름진 형상으로 형성되는 것을 특징으로 하는 진공단열패널.The edge spacer is a vacuum insulation panel, characterized in that the cross section is formed in a '' 'shape or corrugated shape.
  13. 제11항에 있어서,The method of claim 11,
    상기 가장자리 스페이서의 내측면에는 게터물질이 더 도포되어 상기 게터부가 확장되는 것을 특징으로 진공단열패널.The inner surface of the edge spacer is further coated with a getter material, characterized in that the getter portion is expanded vacuum insulation panel.
PCT/KR2014/007677 2014-03-28 2014-08-19 Vacuum insulation panel WO2015147389A1 (en)

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