WO2015002505A1 - 단열 시트, 하이브리드 단열 시트 및 단열 패널 - Google Patents
단열 시트, 하이브리드 단열 시트 및 단열 패널 Download PDFInfo
- Publication number
- WO2015002505A1 WO2015002505A1 PCT/KR2014/006018 KR2014006018W WO2015002505A1 WO 2015002505 A1 WO2015002505 A1 WO 2015002505A1 KR 2014006018 W KR2014006018 W KR 2014006018W WO 2015002505 A1 WO2015002505 A1 WO 2015002505A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- heat
- sheet
- insulating sheet
- hybrid
- phase change
- Prior art date
Links
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Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/142—Laminating of sheets, panels or inserts, e.g. stiffeners, by wrapping in at least one outer layer, or inserting into a preformed pocket
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form
- B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions
- B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar shape; Layered products comprising a layer having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/304—Insulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2419/00—Buildings or parts thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2509/00—Household appliances
- B32B2509/10—Refrigerators or refrigerating equipment
-
- 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
Definitions
- the present invention relates to a heat insulating sheet, and more particularly, to a heat insulating sheet containing a heat-absorbing phase change material and a heat insulating sheet, a hybrid heat insulating sheet which can maximize the heat shielding efficiency by hybridizing a reinforcing sheet to the heat insulating sheet and It relates to an insulation panel.
- Refrigerators consume high power consumption among home appliances, and reducing power consumption of the refrigerator is indispensable as a global warming measure.
- the power consumption of the refrigerator is largely determined by the heat insulating performance of the heat insulating material related to the efficiency of the cooling compressor and the amount of heat leakage.
- Insulation materials for energy saving of buildings are traditionally used as heat insulating materials such as mineral wool and polyurethane.
- VIP Vauum Insulation Panel
- aerogels have attracted attention
- VIM Vauum Insulation Material
- DIM Dynamic Insulation
- VIP and aerogels which have very low thermal conductivity, can reduce energy consumption compared to conventional insulation materials, which can greatly increase the residential area.
- aerogels can be made of translucent and transparent materials, which can be applied to buildings. Very large.
- Korean Laid-Open Patent Publication No. 10-2011-77859 includes a core portion including a core material; And a vacuum insulator having an outer covering covering the core portion, wherein the core portion is formed in a reduced pressure state, wherein the outer insulating material includes at least one nonwoven fabric layer.
- the core material of the vacuum insulator is glass fiber, polyurethane, polyester, polypropylene and polyethylene, but the pore size inside the glass fiber aggregate does not have a size suitable for trapping air, so the heat insulation effect is low. And, glass fiber has a complicated and difficult problem in the manufacturing process.
- Korean Patent Laid-Open Publication No. 10-2011-15326 has been proposed as a core located inside the outer shell of the vacuum insulation material, wherein the cores of the vacuum insulation material are characterized in that the cores are bonded to each other by heat-sealing synthetic resin fibers, Since the fibers are heat-fused to each other by heating the ash fiber to a temperature of about the melting point, there is a limit to improve the thermal insulation efficiency because the synthetic resin fibers become inorganic pores with almost no pores.
- the present inventors continue to research to improve the thermal insulation efficiency by deriving and inventing the structural features of the thermal insulation sheet that can maximize the thermal insulation efficiency, and at the same time save energy, eco-friendly, more economical, and available
- the present invention has been completed.
- the present invention has been made in view of the problems of the prior art, the object is to adopt a heat insulating sheet containing a phase change material that can absorb heat, heat insulating sheet, hybrid heat insulating sheet and heat insulating which can increase the heat insulating efficiency To provide a panel.
- Another object of the present invention is to provide a heat insulating sheet, a hybrid heat insulating sheet and a heat insulating panel capable of maximizing heat blocking efficiency by hybridizing a reinforcing sheet such as a heat insulating member or a heat radiating member to an heat insulating sheet containing a phase change material.
- Still another object of the present invention is to provide an insulation panel capable of improving insulation properties by applying a heat insulation sheet capable of performing heat shielding and heat absorption as a core.
- the insulating sheet according to an embodiment of the present invention includes an outer skin portion having a hollow portion therein; And a phase change material (PCM) positioned in the hollow part and absorbing heat transferred from the outer skin.
- PCM phase change material
- the outer skin portion may be made of a heat insulating member for blocking heat transmitted from the outside or a heat radiating member for radiating heat by spreading (spreading) the transferred heat.
- the hybrid insulating sheet is an insulating sheet including a shell having a hollow portion therein and a phase change material positioned in the hollow portion to absorb heat transferred from the shell; And at least one reinforcing sheet hybridized to one surface, both surfaces, and the entirety of the insulating sheet.
- the hybrid heat insulating sheet of the present invention may further include an adhesive interposed between the heat insulating sheet and the reinforcing sheet.
- the adhesive may be any of acrylic, epoxy, aramid, urethane, polyamide, polyethylene, EVA, polyester, and PVC.
- One adhesive, hot melt web and hot melt powder having a plurality of pores formed by accumulation of heat-adhesive fibers may be one.
- the adhesive may include a conductive filler for thermal diffusion having an aspect ratio of 1: 100 and a conductive filler for heat transfer in a spherical shape.
- the reinforcing sheet may be a heat insulating member or a heat radiating member.
- the heat insulating member is made of a polymer having a low thermal conductivity, and may be made of a porous nanofiber web having a fine pore structure by being integrated by nanofibers having a diameter less than 5 um.
- the heat dissipation member may include a first heat dissipation layer having a first heat conductivity; And a second heat dissipation layer bonded to the first heat dissipation layer, the second heat dissipation layer having a second heat conductivity, wherein the first heat conductivity of the first heat dissipation layer is lower than the second heat conductivity of the second heat dissipation layer.
- the heat dissipation layer may be coupled to the heat generating component in one of adhesion, contact, and proximity.
- the heat insulating sheet may include a heat spreader for diffusing the transferred heat, a metal sheet fixed to the heat spreader, a structure including a phase change material positioned between the heat spreader and the metal sheet, or diffusing the transferred heat.
- the insulation panel for achieving the object of the present invention the outer space provided with an outer material; And a hybrid heat insulating sheet disposed in the inner space of the outer shell material and supporting the outer shell material, wherein the hybrid heat insulating sheet includes a first insulating sheet including a phase change material absorbing heat and the first insulating sheet. And a second insulating sheet composed of a porous nanofiber web which is hybrid and is integrated by nanofibers and has a microporous structure.
- the reinforcement sheet is hybridized to the insulating sheet containing the phase change material to block or dissipate heat primarily in the reinforcement sheet, and secondarily to absorb heat from the phase change material having a high heat capacity to block the heat.
- a vacuum insulation panel (Vacuum Insulation Panel, VIP) having a core of a hybrid insulation sheet in which a reinforcement sheet is bonded to an insulation sheet or insulation sheet containing a phase change material.
- the present invention it is possible to provide an ultra-thin thermal insulation sheet and a thermal insulation panel by applying a nanofiber web, it is possible to expand the internal space of the refrigerator and the building to have excellent thermal insulation properties.
- the present invention by implementing a sheet or panel with excellent thermal insulation performance, it can be mounted on high-performance electronic products, and at the same time, the thickness of the thermal insulation sheet can be made thin, so that it can be applied to electronic products including ultra-thin and ultra-slim portable terminals. It can be effective.
- FIG. 1 is a cross-sectional view of a heat insulating sheet according to a first embodiment of the present invention
- FIG. 2 is a conceptual cross-sectional view for explaining a metal shell of the heat insulating sheet according to the first embodiment of the present invention
- FIG. 3 is a conceptual cross-sectional view for explaining a modification of the metal shell of the heat insulating sheet according to the first embodiment of the present invention
- FIG. 4 is a cross-sectional view of the hybrid insulating sheet according to the first embodiment of the present invention.
- FIG. 5 is a cross-sectional view of a first modification of the hybrid insulating sheet according to the first embodiment of the present invention.
- FIG. 6 is a cross-sectional view of a second modification of the hybrid insulating sheet according to the first embodiment of the present invention.
- FIG. 7 is a cross-sectional view of a third modification of the hybrid insulating sheet according to the first embodiment of the present invention.
- FIGS. 8A to 8C are cross-sectional views of a fourth modification of the hybrid insulating sheet according to the first embodiment of the present invention.
- FIG. 9 is a sectional view of a fifth modification of the hybrid insulating sheet according to the first embodiment of the present invention.
- VIP vacuum insulation panel
- FIG. 11 is a flowchart of a method of manufacturing a vacuum insulation panel according to a first embodiment of the present invention.
- FIG. 12 is a schematic cross-sectional view showing an electrospinning value for forming a nanofiber web applied to a hybrid insulating sheet according to a first embodiment of the present invention
- FIG. 13 is a cross-sectional view of an insulating sheet according to a second embodiment of the present invention.
- FIG. 14 is a conceptual cross-sectional view for explaining an insulating sheet according to a second embodiment of the present invention.
- FIG. 15 is a cross-sectional view of a hybrid insulating sheet according to a second embodiment of the present invention.
- 16 is a conceptual cross-sectional view for explaining a method for manufacturing a hybrid insulating sheet according to a second embodiment of the present invention.
- 17 is a cross-sectional view of a first modification of the hybrid insulating sheet according to the second embodiment of the present invention.
- FIG. 18 is a conceptual cross-sectional view for illustrating a method of manufacturing a second modification of the hybrid insulating sheet according to the second embodiment of the present invention.
- FIG. 19 is a sectional view of a second modification of the hybrid insulating sheet according to the second embodiment of the present invention.
- 20 is a conceptual cross-sectional view for illustrating a method of manufacturing a second modification of the hybrid insulating sheet according to the second embodiment of the present invention.
- VIP vacuum insulation panel
- FIG. 22 is a schematic cross-sectional view of a hybrid insulating sheet according to a third embodiment of the present invention.
- 23A to 23C are schematic cross-sectional views illustrating a method of manufacturing a hybrid insulating sheet according to a third embodiment of the present invention.
- FIG. 24 is a conceptual cross-sectional view for explaining a hybrid insulating sheet according to a fourth embodiment of the present invention.
- 25A to 25D are schematic cross-sectional views illustrating a method of manufacturing a hybrid insulating sheet according to a fourth embodiment of the present invention.
- 26 is a perspective view schematically illustrating a state in which a guide part is fixed to a heat spreader in a hybrid insulating sheet according to a fourth exemplary embodiment of the present invention.
- 27A and 27B are conceptual cross-sectional views illustrating a laminated structure of a nanofiber web and a nonwoven fabric applied as a heat insulating part of a hybrid heat insulating sheet according to third and fourth embodiments of the present invention.
- thermal insulation sheet and the thermal insulation panel of the present invention described below may be applied to refrigerators and buildings, but the present invention is not limited thereto and may be equally applied to thermal insulation materials used in other industrial fields.
- the insulation sheet 100 applied to the first embodiment of the present invention includes a metal shell and a phase change material (PCM) 120.
- PCM phase change material
- the metal shell portion has a hollow portion therein, and the phase change material 120 is positioned in the hollow portion, so that the phase change material 120 absorbs heat transferred from the metal shell portion, so that the insulating sheet 100 has a heat insulating function. Perform. That is, the phase change material 120 absorbs heat while changing from a solid phase to a liquid phase by endothermic reaction when heat is transferred. The phase change material 120 is changed to a solid phase when the ambient temperature drops.
- each of the upper metal sheet 111 and the lower metal sheet 112 may be provided with receiving grooves 111a and 112a for accommodating the phase change material 120, and the upper metal sheet 111 and the lower metal.
- the edges of each of the sheets 112 are bonded.
- the receiving groove 112a is formed only in the lower metal sheet 112, and after the phase change material 120 is filled in the receiving groove 112a, the upper metal sheet 111 is attached to the lower metal sheet 112. Bonding to implement a heat insulating sheet, it is possible to planarize the top and bottom surfaces of the heat insulating sheet.
- the upper surface of the insulating sheet may have a convex surface according to the amount of the phase change material 120 to be filled in the receiving groove (112a).
- the hybrid insulating sheet is defined as a heat insulating material that hybridizes at least one reinforcing sheet such as a nanofiber web to the heat insulating sheet of FIGS. It is disposed on the outer circumferential surface to trap the air to suppress the convection of air to provide a plurality of pores to insulate the heat can be primarily blocked. Therefore, the amount of heat transferred from the nanofiber web to the insulating sheet is reduced. When heat passing through the nanofiber web is transferred to the insulating sheet, this heat is secondarily absorbed in the phase change material of the insulating sheet. As a result, the heat insulating performance of the hybrid heat insulating sheet is improved by blocking heat in two stages.
- hybridization means a bonding relationship of adhesion, adhesion, lamination, contact, fixing, and the like.
- the reinforcing sheet may be a heat insulating member or a heat dissipating member, and the heat insulating sheet and the reinforcing sheet may be adhered with an adhesive interposed between the heat insulating sheet and the reinforcing sheet.
- the adhesive may be any of acrylic, epoxy, aramid, urethane, polyamide, polyethylene, EVA, polyester, and PVC.
- One adhesive, hot melt web and hot melt powder having a plurality of pores formed by accumulation of heat-adhesive fibers may be one.
- the adhesive may include a conductive filler for thermal diffusion having an aspect ratio of 1: 100 and a conductive filler for heat transfer in a spherical shape.
- the nanofiber web is arranged in a three-dimensional network structure in which the electrospun nanofibers are irregularly stacked.
- the nanofibers form irregularly distributed micropores in the nanofiber web, and the micropore increases the heat shielding ability of the nanofiber web, thereby providing excellent thermal insulation performance.
- Such a nanofiber web is made of a spinning solution by mixing a polymer material and a solvent having a low thermal conductivity and a solvent with a predetermined ratio to form a spinning solution, and electrospinning the spinning solution to form a nanofiber, and the nanofibers are accumulated It is formed in the form of a nanofiber web having pores.
- the nanofibers have a diameter of, for example, 5 micrometers or less, preferably 1 micrometer or less, and the nanofiber web made of nanofibers traps air inside the micropores as it has a plurality of micropores, The convection of trapped and trapped air is suppressed and the heat transfer is excellent.
- Fine pores formed in the nanofiber web is preferably set to several nm to 10um or less, preferably 5um or less, it can be implemented by adjusting the diameter of the nanofibers.
- the radiation method applied to the present invention is a general electrospinning, air electrospinning (AES: Air-Electrospinning), electrospray (electrospray), electrobrown spinning, centrifugal electrospinning Flash-electrospinning can be used.
- AES Air-Electrospinning
- electrospray electrospray
- electrobrown spinning electrobrown spinning
- centrifugal electrospinning Flash-electrospinning Flash-electrospinning Flash-electrospinning Flash-electrospinning Flash-electrospinning can be used.
- the obtained nanofiber web can be applied.
- the polymer that can be used in the present invention is preferably dissolved in an organic solvent and capable of spinning and at the same time low in thermal conductivity, and more preferably in excellent heat resistance.
- Polymers capable of spinning and low thermal conductivity are, for example, polyurethane (PU), polystyrene, polyvinylchloride, cellulose acetate, polyvinylidene fluoride (PVDF), polyacrylonitrile (PAN), polymethylmethacrylate. , Polyvinylacetate, polyvinyl alcohol, polyimide and the like.
- the polymer having excellent heat resistance may be dissolved in an organic solvent for electrospinning and has a melting point of 180 ° C. or higher, for example, polyacrylonitrile (PAN), polyamide, polyimide, polyamideimide, poly ( Meta-phenylene isophthalamide), polysulfone, polyetherketone, polyethylene terephthalate, polytrimethylene terephthalate, polyethylene naphthalate, and aromatic polyesters such as polytetrafluoroethylene, polydiphenoxyphosphazene, poly Polyphosphazenes such as ⁇ bis [2- (2-methoxyethoxy) phosphazene] ⁇ , polyurethane copolymers including polyurethanes and polyetherurethanes, cellulose acetates, cellulose acetate butyrates, cellulose acetate propionates Etc. can be used.
- PAN polyacrylonitrile
- polyamide polyimide
- polyamideimide poly ( Meta-phenylene isophthalamide
- the thermal conductivity of the polymer is preferably set to less than 0.1W / mK.
- Polyurethane (PU) of the above polymer has a thermal conductivity of 0.016 to 0.040 W / mK
- polystyrene and polyvinyl chloride are known to have a thermal conductivity of 0.033 to 0.040 W / mK
- the nanofiber web obtained by spinning them also has a low thermal conductivity.
- the thickness of the nanofiber web may be set to 5um to 50um, preferably 10um to 30um.
- the nanofiber web may be manufactured to have various thicknesses by laminating them in multiple layers. That is, the heat insulation sheet of the nanofiber web applied to the present invention may have a high heat insulation performance while being manufactured in an ultra-thin film structure.
- Solvents are dimethyl (dimethyl acetamide), DMF (N, N-dimethylformamide), NMP (N-methyl-2-pyrrolidinone), DMSO (dimethyl sulfoxide), THF (tetra-hydrofuran), DMAc (di-methylacetamide), EC ( At least one selected from the group consisting of ethylene carbonate, DEC (diethyl carbonate), DMC (dimethyl carbonate), EMC (ethyl methyl carbonate), PC (propylene carbonate), water, acetic acid, and acetone Can be.
- the thickness is determined by the amount of spinning solution. Therefore, there is an advantage that it is easy to make the thickness of the nanofiber web to the desired thickness.
- the nanofibers are formed in the form of nanofiber webs accumulated by the spinning method, the nanofibers may be formed in a form having a plurality of pores without a separate process, and the pore size may be adjusted according to the spinning amount of the spinning solution. Therefore, it is possible to make a large number of pores fine and excellent heat shielding performance and thus can improve the thermal insulation performance.
- the inorganic particles which are heat insulating fillers for blocking heat transfer may be contained in the spinning solution for forming the nanofiber web.
- the nanofiber web of the nanofiber web may include inorganic particles.
- the inorganic particles may be located inside the spun nanofibers or may be partially exposed to the nanofiber surface to block heat transfer.
- the inorganic particles may improve the strength of the nanofiber web with a heat insulating filler.
- the inorganic particles are SiO 2 , SiON, Si 3 N 4 , HfO 2 , ZrO 2 , Al 2 O 3 , TiO 2 , Ta 2 O 5 , MgO, Y 2 O 3 , BaTiO 3 , ZrSiO 4 , HfO
- One or more particles selected from the group consisting of 2 or one or more particles selected from the group consisting of glass fibers, graphite, rock wool, clay are preferred, but are not necessarily limited to these, alone or two. More than one species may be mixed and included in the spinning solution.
- a fumed silica may be included in the spinning solution for forming the nanofiber web.
- the hybrid insulating sheet according to the first embodiment of the present invention has the structure of FIG. 4, in which the nanofiber web 150 is laminated on one surface of the metal container 110 of the heat insulating sheet, the metal container 110.
- the hybrid insulating sheet may be implemented in the structure of FIG. 5 in which the nanofiber web 150 is stacked on both sides, and the structure of FIG. 6 in which the entire nanocircuit outer surface of the metal container 110 is wrapped.
- the nanofiber web is achieved by laminating a first nanofiber web 153a, a heat insulating sheet 100 and a second nanofiber web 153b.
- the first nanofiber web 153a and the second nanofiber web 153b may be interposed between the first nanofiber web 153a and the second nanofiber web 153b after the insulating sheet 100 is interposed therebetween.
- the method of laminating may be applied.
- the nanofiber web 150 used in the hybrid insulation sheet may be a plate-shaped folded structure, or may be a nanofiber web laminated structure laminated in multiple layers.
- Nonwoven fabrics that can be used are commercially available two- or three-layered polyolefin-based porous membranes, such as PP / PE or PP / PE / PP membranes or single-layer PP or PE membranes, or PE as a core on the outer periphery of PP fibers. It is also possible to use a nonwoven fabric made of double coated PP / PE fibers coated with a polypropylene or a PET nonwoven fabric made of polyethylene terephthalate (PET) fibers.
- PET polyethylene terephthalate
- the fourth modification of the hybrid insulation sheet according to the first embodiment of the present invention may be configured such that the nonwoven fabric 170 covers one surface of the metal container 110 of the insulation sheet ( 8A), the pair of nonwoven fabrics 171, 172 may be configured to cover both sides of the metal container 110 (FIG. 8B), and the nonwoven fabric 170 may be configured to cover the entire outer circumferential surface of the metal container 110. (FIG. 8C).
- the fifth modification of the hybrid insulation sheet according to the first embodiment of the present invention is implemented as a structure in which a nonwoven fabric 170 is interposed between the nanofiber web 150 and the insulation sheet as shown in FIG.
- the nonwoven fabric 170 and the nanofiber web 150 are sequentially stacked on the outer circumferential surface of the 110.
- FIG. 10 is a conceptual cross-sectional view illustrating a vacuum insulation panel (VIP) according to a first embodiment of the present invention
- FIG. 11 is a flowchart of a method of manufacturing a vacuum insulation panel according to a first embodiment of the present invention. to be.
- VIP vacuum insulation panel
- the above-described heat insulating sheet of the first embodiment and the hybrid heat insulating sheets of the first to fifth embodiments may be embedded inside the vacuum heat insulating panel to exhibit heat insulating performance.
- the vacuum insulation panel 300 has a gas barrier property and preferably has an outer shell material 310 and an outer shell material 310, which form a predetermined pressure-reducing space therein. It includes a hybrid heat insulating sheet 200 disposed inside to support the outer shell material (310).
- the hybrid insulation sheet 200 applied as a core to the vacuum insulation panel 300 has a plurality of fine pores capable of trapping air by being provided with a porous nanofiber web, and the air trapped in the fine pores falls out by itself. Since it is difficult to exit, the outer shell material 310 exhibits excellent thermal insulation performance even when the inside of the outer shell material 310 is not a vacuum or reduced pressure space. Therefore, there are many advantages when applied as a building insulation.
- the decompression space means a space where the pressure inside the pressure is reduced to be lower than the atmospheric pressure.
- the interior of the envelope 310 when the interior of the envelope 310 is made of a vacuum or reduced pressure space, the interior of the envelope 310 or the hybrid insulation sheet 200 may be moisture or gas. It may be configured to include a getter material (not shown) for adsorbing and the like.
- the getter material may include, for example, an absorbent and a gas absorbent in powder form, and may be made of PP or PE nonwoven fabric.
- the getter material preferably includes at least one selected from the group consisting of silica gel, zeolite, activated carbon, zirconium, barium compound, lithium compound, magnesium compound, calcium compound and quicklime.
- the type of getter material that can be used in the present invention is not particularly limited, and materials commonly used in the field of manufacturing vacuum insulators can be used.
- the outer cover material 310 covers the hybrid insulating sheet 200, which is a core, and serves to maintain the inside of the core under a reduced pressure or a vacuum state.
- the outer shell material 310 is formed in the form of an envelope in advance, and after the hybrid insulation sheet 200 is inserted, the sealing is performed by thermo-compressing the inlet portion in a vacuum atmosphere. Accordingly, the outer shell material 310 is used after sealing the outer portions of three sides of the upper outer shell material 310a and the lower outer shell material 320b having a quadrangular shape in the form of an envelope.
- the kind of the outer cover material 310 that can be used in the present invention is not particularly limited, and a material commonly used in the field of manufacturing a vacuum insulator may be used.
- the envelope 310 is preferably made of a metal material, and in particular, the envelope 310 may be manufactured in the form of an aluminum envelope.
- the envelope material 310 used in the present invention may include, for example, a sealing layer surrounding the hybrid heat insulating sheet 200; A barrier layer surrounding the sealing layer; And a nonwoven fabric layer or a protective layer surrounding the barrier layer.
- the sealing layer covers the hybrid insulation sheet 200 embedded as the sealing (compression) is made by a thermocompression bonding method, and adheres to the core to maintain the panel shape.
- the material of the sealing layer that can be used in the present invention is not particularly limited and the film can be bonded by thermocompression bonding.
- the thermocompression layer is a linear low density polyethylene (LLDPE), low density polyethylene (LDPE), ultra low density Polyolefin resins such as polyethylene (VLDPE) and high density polyethylene (HDPE), and thermocompression bonding such as polypropylene (PP), polyacrylonitrile film, polyethylene terephthalate film, or ethylene-vinyl alcohol copolymer film, in addition to the above resins Possible resins, or mixtures thereof.
- LLDPE linear low density polyethylene
- LDPE low density polyethylene
- VLDPE ultra low density Polyolefin resins
- HDPE high density polyethylene
- thermocompression bonding such as polypropylene (PP), polyacrylonitrile film, polyethylene terephthalate film, or ethylene-vinyl alcohol copolymer film, in addition to the above resins Possible resins, or mixtures thereof.
- the barrier layer surrounds the sealing layer, maintains the degree of vacuum inside, and serves to block external gas and water vapor.
- the material of the barrier layer is not particularly limited, and a laminated film (deposited film film) or the like on which metal is deposited on a metal foil or a resin film may be used.
- a laminated film (deposited film film) or the like on which metal is deposited on a metal foil or a resin film may be used.
- the metal aluminum, copper, stainless steel, or iron may be used, but is not limited thereto.
- the deposited film may be formed by depositing a metal such as aluminum, stainless steel, cobalt or nickel, silica, alumina, or carbon by a deposition method or a sputtering method, and the resin film serving as a substrate.
- a metal such as aluminum, stainless steel, cobalt or nickel, silica, alumina, or carbon
- the resin film serving as a substrate.
- the general resin film used in the art can be used.
- the nonwoven layer surrounds the barrier layer and serves as a protective layer that primarily protects the vacuum insulation from external shock.
- the nonwoven fabric layer can solve the problem that the thermal performance of the heat insulating material is lowered by the high thermal conductivity of the barrier layer.
- the material of the nonwoven fabric layer may be PP, PTFE.
- a protective layer consisting of one or two layers may be used to protect the barrier layer.
- This protective layer may be made of one or more resins selected from the group consisting of polyamide, polypropylene, polyethylene terephthalate, polyacrylonitrile, polyvinyl alcohol, nylon, PET, K-PET and ethylene vinyl alcohol.
- the insulation sheet is hybridized to produce a hybrid insulation sheet.
- FIG. 12 is a schematic cross-sectional view showing an electrospinning device for forming a nanofiber web applied to a hybrid insulating sheet according to a first embodiment of the present invention.
- the electrospinning mixing is performed by incorporating a stirrer 2 using a mixing motor 2a using pneumatic pressure as a driving source to prevent phase separation until a polymer is mixed with a low thermal conductivity and a solvent to form spinning.
- nanofibers 5 accumulate on a grounded collector 6 in the form of a conveyor which is discharged at a constant speed and moves at a constant speed to form a porous nanofiber web 7.
- porous nanofibers are formed by an air electrospinning method in which the air 4a is sprayed for each spinning nozzle 4 using a multi-hole spinning pack.
- the web 7 is produced.
- the air when the electrospinning is carried out by air electrospinning, the air is sprayed from the outer circumference of the spinning nozzle to play a dominant role in collecting and integrating the air, which is composed of a polymer having high volatility, in the air.
- This high nanofiber web can be produced, minimizing the radiation problems that can occur as the fibers fly around.
- a mixed spinning solution by adding to a two-component solvent.
- the obtained porous nanofiber web 7 is then calendered at a temperature below the melting point of the polymer in the calender device 9 to obtain a thin nanofiber web 10 used as a core material.
- the porous nanofiber web 7 obtained as described above remains on the surface of the nanofiber web 7 while passing through a pre-air dry zone by the preheater 8. It is also possible to go through a calendaring process after adjusting the amount of solvent and water.
- Pre-Air Dry Zone by Preheater (8) is applied to the web by using a fan of 20 ⁇ 40 °C air and the solvent remaining on the surface of the nanofiber web (7)
- a fan of 20 ⁇ 40 °C air By controlling the amount of water to control the bulk of the nanofiber web 7 (bulky) to increase the strength of the membrane and at the same time it is possible to control the porosity (Porosity).
- the porous nanofiber web 10 is a method of forming the porous nanofiber web 10 using the electrospinning device of FIG. 12. Prepare. In this case, in order to reinforce heat resistance, a predetermined amount of inorganic particles may be added to the spinning solution.
- a predetermined amount of inorganic particles may be added to the spinning solution.
- the nanofiber web is formed using a polymer material having low thermal conductivity and excellent heat resistance, for example, polyurethane (PU), it has both thermal insulation and heat resistance.
- PU polyurethane
- the spinning solution is directly spun onto the collector 6 using an electrospinning device or spun onto a porous base material 11 such as a nonwoven fabric to form a porous nanofiber web 10 or a porous nanofiber web 10 having a single layer structure. And a nanofiber web sheet having a multilayer structure composed of a porous substrate 11.
- the obtained nanofiber web sheet is wide, it is cut into a desired width, and then it is folded into a plate shape several times or wound into a plate shape by a winding machine to have a desired thickness, or a plurality of core sheets are cut into a desired shape. It is then laminated in multiple layers. In addition, after laminating in multiple layers, it can be cut into a desired shape.
- the nanofiber web when forming a nanofiber web, porous nanofibers by spinning a spinning solution on a transfer sheet made of one of a nonwoven fabric and a polyolefin-based film made of paper, a polymer material which is not dissolved by a solvent contained in a spinning solution.
- the nanofiber web sheet After the web is formed, the nanofiber web sheet can be produced by laminating with the nonwoven fabric while separating the nanofiber web from the transfer sheet, and the obtained sheet can be laminated in multiple stages.
- FIG. 13 is a cross-sectional view of a heat insulating sheet according to a second embodiment of the present invention
- FIG. 14 is a conceptual cross-sectional view for explaining a heat insulating sheet according to a second embodiment of the present invention.
- the thermal insulation sheet 1100 according to the second embodiment of the present invention has a structure in which a phase change material 1120 is wrapped with nanofiber webs 1151 and 1152, and a nanofiber web 1151 is provided. 1115 performs the function of an outer skin containing the phase change material 1120.
- the nanofiber webs 1151 and 1152 are disposed on the outer surface of the heat insulating sheet 1100 and the phase change material 1120 is disposed as the core inside the heat insulating sheet 1100.
- the heat transferred to the heat insulating sheet 1100 according to the second embodiment of the present invention is first contacted and transferred to the nanofiber webs 1151 and 1152, and a plurality of micropores of the nanofiber webs 1151 and 1152 are provided. It blocks heat in the nanofibers.
- the amount of heat transferred to the nanofiber webs 1151 and 1152 is reduced by the amount of heat blocked in the nanofiber webs 1151 and 1152 to be transferred to the phase change material 1120, and the phase change material 1120 absorbs heat,
- the thermal insulation efficiency of the thermal insulation sheet 1100 according to the second embodiment of the present invention can be substantially increased.
- the phase change material 1120 is disposed on the second nanofiber web 1152, the first nanofiber web
- the first and second nanofiber webs of the outer skin by a simple manufacturing method by wrapping the phase change material 1120 with 1151 to fix the first nanofiber web 1151 to the second nanofiber web 1152.
- a structure in which the phase change material 1120 is embedded as a core may be implemented in the internal parts 1151 and 1152.
- FIG. 15 is a cross-sectional view of a hybrid heat insulating sheet according to a second embodiment of the present invention
- FIG. 16 is a conceptual cross-sectional view for explaining a method of manufacturing a hybrid heat insulating sheet according to a second embodiment of the present invention.
- the hybrid insulation sheet according to the second embodiment of the present invention includes a support 1170 on an insulation sheet having a structure in which a phase change material 1120 is wrapped with nanofiber webs 1151 and 1152. It can be composited and implemented as a hybrid insulating sheet.
- the second nanofiber web 1152 may be formed by spinning the nanofibers on the support 1170.
- the phase change material 1120 is placed on the second nanofiber web 1152, and the first nano The fibrous web 1151 is secured to the second nanofiber web 1152 such that the phase change material 1120 is interposed between the first and second nanofiber webs 1151 and 1152.
- FIG. 17 is a cross-sectional view of a first modification of the hybrid insulation sheet according to the second embodiment of the present invention
- FIG. 18 illustrates a method of manufacturing a second modification of the hybrid insulation sheet according to the second embodiment of the present invention.
- Conceptual cross section for illustration.
- the first modification of the hybrid insulating sheet according to the second embodiment of the present invention is the first support 1171 and the second nanofiber web in which the first nanofiber web 1151 is composited.
- the first and second nanofiber webs may be laminated to secure the 1115 and 1152 to be fixed.
- the first and second nanofiber webs 1151 and 1152 may be formed by directly spinning the nanofibers on the first and second supports 1171 and 1172, respectively.
- FIG. 19 is a cross-sectional view of a second modification of the hybrid heat insulating sheet according to the second embodiment of the present invention
- FIG. 20 illustrates a method of manufacturing a second modification of the hybrid heat insulating sheet according to the second embodiment of the present invention. It is a conceptual profile for.
- the second modification of the hybrid insulating sheet according to the second embodiment of the present invention composites the first and third nanofiber webs 1151 and 1153 on both surfaces of the first support 1171.
- a phase change material 1120 is formed between the first and second nanofiber webs 1151 and 1152. It can be realized by positioning and laminating the first and second supports (1171, 1172).
- Such a hybrid insulating sheet is a laminated structure of nanofiber web / support / nanofiber web / phase change material / nanofiber web / support / nanofiber web, can not only increase the strength, but also nanofiber web of a two-layer structure By blocking the heat in the, it is possible to further reduce the amount of heat transferred to the phase change material, it is possible to improve the thermal insulation performance.
- the nanofiber web used in the above-mentioned hybrid heat insulating sheet may be a plate-shaped folded structure, or may be a nanofiber web laminated structure laminated in multiple layers.
- FIG. 21 is a conceptual cross-sectional view illustrating a vacuum insulation panel (VIP) according to a second embodiment of the present invention.
- VIP vacuum insulation panel
- the hybrid insulation sheet of the above-described second embodiment may be embedded inside the insulation panel to exhibit insulation performance.
- the vacuum insulation panel 1300 has a gas barrier property and preferably has an outer shell material 1310 and an outer shell material 1310 forming a predetermined pressure-reducing space therein. It includes a hybrid heat insulating sheet 1100 disposed inside to support the outer shell material 1310.
- the hybrid insulation sheet 1100 applied as a core to the vacuum insulation panel 1300 includes a porous nanofiber web
- the hybrid insulation sheet 1100 includes a plurality of micropores capable of trapping air, so that the air trapped in the micropores Since it is difficult to escape, the outer shell material 310 exhibits excellent thermal insulation performance even when the inside of the outer shell material 310 is not a vacuum or a reduced pressure space. Therefore, there are many advantages when applied as a building insulation.
- the decompression space means a space where the pressure inside the pressure is reduced to be lower than the atmospheric pressure.
- the shell 1310 or the hybrid insulation sheet 1100 may contain moisture or gas. It may be configured to include a getter material (not shown) for adsorbing and the like.
- the getter material may include, for example, an absorbent and a gas absorbent in powder form, and may be made of PP or PE nonwoven fabric.
- the getter material preferably includes at least one selected from the group consisting of silica gel, zeolite, activated carbon, zirconium, barium compound, lithium compound, magnesium compound, calcium compound and quicklime.
- the type of getter material that can be used in the present invention is not particularly limited, and materials commonly used in the field of manufacturing vacuum insulators can be used.
- the outer cover material 1310 covers the hybrid insulating sheet 1100, which is a core, and serves to maintain the inside thereof under reduced pressure or vacuum.
- the envelope 1310 is formed in advance in an envelope form, and after the hybrid insulating sheet 1100 is inserted, the sealing is performed by thermocompressing the inlet portion in a vacuum atmosphere. Accordingly, the outer shell material 1310 is first used to seal the outer portion of the three sides of the upper outer shell material 1310a and the lower outer shell material 1320b of a quadrangular shape to be manufactured in the form of an envelope.
- the kind of outer cover material that can be used in the present invention is not particularly limited, and materials commonly used in the field of manufacturing vacuum insulation materials can be used.
- the outer cover material 1310 used in the present invention may include, for example, a sealing layer surrounding the hybrid heat insulating sheet 1100; A barrier layer surrounding the sealing layer; And a nonwoven fabric layer or a protective layer surrounding the barrier layer.
- the sealing layer covers the hybrid insulating sheet 1100 embedded as the sealing (compression) is made by a thermocompression bonding method, and is closely adhered to the core to maintain the panel shape.
- the material of the sealing layer that can be used in the present invention is not particularly limited and the film can be bonded by thermocompression bonding.
- the thermocompression layer is a linear low density polyethylene (LLDPE), low density polyethylene (LDPE), ultra low density Polyolefin resins such as polyethylene (VLDPE) and high density polyethylene (HDPE), and thermocompression bonding such as polypropylene (PP), polyacrylonitrile film, polyethylene terephthalate film, or ethylene-vinyl alcohol copolymer film, in addition to the above resins Possible resins, or mixtures thereof.
- LLDPE linear low density polyethylene
- LDPE low density polyethylene
- VLDPE ultra low density Polyolefin resins
- HDPE high density polyethylene
- thermocompression bonding such as polypropylene (PP), polyacrylonitrile film, polyethylene terephthalate film, or ethylene-vinyl alcohol copolymer film, in addition to the above resins Possible resins, or mixtures thereof.
- the barrier layer surrounds the sealing layer, maintains the degree of vacuum inside, and serves to block external gas and water vapor.
- the material of the barrier layer is not particularly limited, and a laminated film (deposited film film) or the like on which metal is deposited on a metal foil or a resin film may be used.
- a laminated film (deposited film film) or the like on which metal is deposited on a metal foil or a resin film may be used.
- the metal aluminum, copper, stainless steel, or iron may be used, but is not limited thereto.
- the deposited film may be formed by depositing a metal such as aluminum, stainless steel, cobalt or nickel, silica, alumina, or carbon by a deposition method or a sputtering method, and the resin film serving as a substrate.
- a metal such as aluminum, stainless steel, cobalt or nickel, silica, alumina, or carbon
- the resin film serving as a substrate.
- the general resin film used in the art can be used.
- the nonwoven layer surrounds the barrier layer and serves as a protective layer that primarily protects the vacuum insulation from external shock.
- the nonwoven fabric layer can solve the problem that the thermal performance of the heat insulating material is lowered by the high thermal conductivity of the barrier layer.
- the material of the nonwoven fabric layer may be PP, PTFE.
- a protective layer consisting of one or two layers may be used to protect the barrier layer.
- This protective layer may be made of one or more resins selected from the group consisting of polyamide, polypropylene, polyethylene terephthalate, polyacrylonitrile, polyvinyl alcohol, nylon, PET, K-PET and ethylene vinyl alcohol.
- FIGS. 23A to 23C are schematic cross-sectional views for explaining a method of manufacturing a hybrid insulation sheet according to a third embodiment of the present invention. .
- a hybrid heat insulating sheet includes a heat spreader 2110 for diffusing the transferred heat; A phase change material 2120 absorbing saturated heat in the heat spreader 2110; A cover part 2130 surrounding the phase change material 2120 and fixed to the heat spreader 2110; And a heat insulating part 2140 that blocks and insulates heat conducted from the cover part 2130.
- the heat when heat is conducted from the heat generating part to the heat spreader 2110, the heat is diffused in the heat spreader 2110, and the heat saturated in the heat spreader 2110 is formed. Delivered to the change material 2120.
- the heat transferred to the phase change material 2120 is absorbed by the phase change material 2120, and when the absorption function of the phase change material 2120 is filled, is conducted to the cover part 2130 and transferred to the cover part 2130. Heat is diffused and transferred to the heat insulating part 2140, and the heat insulating part 2140 blocks the conducted heat.
- the hybrid insulating sheet according to the third exemplary embodiment of the present invention diffuses heat conducted in the heat spreader 2110, heat absorbs heat in the phase change material 2120, and diffuses heat in the cover 2130. By blocking the heat conducted from the heat insulator 2140, it is possible to maximize the heat insulation efficiency.
- a method of manufacturing a hybrid insulating sheet according to a third exemplary embodiment of the present invention may first prepare a heat spreader 2110 for diffusing transferred heat and then placing an image on the heat spreader 2110.
- the change material 2120 is stacked (FIG. 23A).
- the phase change material 2120 is wrapped, the cover part 2130 is fixed to the heat spreader 2110 (FIG. 23B), and the heat insulating part 2140 is stacked on the cover part 2130 (FIG. 23c).
- an adhesive when fixing the cover portion 2130 to the heat spreader 2110, an adhesive may be used, and other fixing means may be applied without being limited thereto.
- a phase change material 2120 is positioned at the center of the heat spreader 2110, and a cover part 2130 is fixed to an edge of the heat spreader 2110, between the cover part 2130 and the heat spreader 2110. Phase change material 2120 is embedded.
- the cover part 2130 prevents the phase change material 2120 phase-changed into liquid by the heat transferred from the heat spreader 2110 to leak into or out of the micropores of the heat insulating part 2140, thereby preventing the phase change material 2120 from being leaked. ) Is constrained between the cover portion 2130 and the heat spreader 2110.
- a phase change material 2120 is interposed between the cover 130 and the heat spreader 2110, and the cover 2130 is disposed on the heat spreader 2110. Since it is fixed, it is possible to prevent the phase change material 2120 from leaking to the outside or penetrating into the fine pores of the heat insulating part 2140 due to the endothermic reaction by the transferred heat.
- FIG. 24 is a conceptual cross-sectional view for describing a hybrid insulation sheet according to a fourth embodiment of the present invention
- FIGS. 25A to 25D are schematic views for explaining a method of manufacturing a hybrid insulation sheet according to a fourth embodiment of the present invention
- FIG. 26 is a perspective view schematically illustrating a state in which a guide part is fixed to a heat spreader in a hybrid insulating sheet according to a fourth exemplary embodiment of the present invention.
- a hybrid insulating sheet includes a heat spreader 2110 for diffusing transferred heat; A guide part 2150 fixed to the heat spreader 2110 and having at least one through hole 2151 formed therein; A phase change material 2120 filled in the through hole 2151 of the guide part 2150 and absorbing heat diffused from the heat spreader 2110; A cover part 2130 surrounding the phase change material 2120 and fixed to the guide part 2150; And a heat insulating part 2140 that blocks and insulates heat conducted from the cover part 2130.
- the hybrid insulating sheet according to the fourth exemplary embodiment of the present invention fills the phase change material 2120 in the through hole 2151 of the guide part 2150 fixed to the heat spreader 2110 and the phase change material 2120.
- the cover portion 2130 surrounding the (2) to the guide portion 2150 By fixing the cover portion 2130 surrounding the (2) to the guide portion 2150, when the phase change material 2120 is phase-changed into a liquid by the transferred heat, it is prevented from leaking to the outside, the heat insulating portion (2140) It can be prevented from penetrating into the fine pores.
- the heat transferred to the hybrid insulating sheet according to the fourth exemplary embodiment of the present invention is diffused in the heat spreader 2110, absorbed in the phase change material 2120, diffused in the cover part 2130, and the heat insulating part ( By providing a structure to insulate the heat in 2140, there is an advantage to improve the heat insulating performance.
- the guide part 2150 may use the same material as the heat spreader 2110, and may apply a metal material different from that of the heat spreader 2110.
- the guide portion 2150 is most preferably made of the same material as the heat spreader 2110. That is, the guide part 2150 and the heat spreader 2110 should have the same thermal expansion coefficient, so that the interface between the guide part 2150 and the heat spreader 2110 can be prevented from peeling off by heat transferred to the heat spreader 2110. have.
- the guide portion 2150 is fixed to the heat spreader 2110, the through hole (2151) of the guide portion 2150 is made of a groove-like shape, the guide portion 2150 The phase change material 2120 is filled in the grooves formed by the through hole 2151 and the heat spreader 2110.
- a method of manufacturing a hybrid insulating sheet according to a fourth embodiment of the present invention includes a guide part having at least one through hole 2151 formed in a heat spreader 2110 for diffusing transferred heat.
- 2150 is fixed (FIG. 25A), and the phase change material 2120 is filled in the through hole 2151 of the guide portion 2150 (FIG. 25B). Thereafter, the phase change material 2120 is wrapped, and the cover part 2130 is fixed to the guide part 2150 (FIG. 25C), and then the heat insulating part 2140 is stacked on the cover part 2130 (FIG. 25D).
- the hybrid insulation sheet according to the third and fourth embodiments of the present invention basically includes a heat spreader 2110, a phase change material 2120, a cover portion 2130, and an insulation portion 2140. .
- the heat spreader 2110 diffuses heat transferred from the outside. That is, the heat spreader 2110 prevents the heat generated from the heat generating parts from concentrating in one place and performs a function of diffusing heat.
- the heat spreader 2110 has a high thermal conductivity and it is preferable to use an inexpensive copper material or an aluminum material, and to perform nickel plating on the heat spreader 2110 of copper material to solve the oxidation and corrosion problem. Can be.
- the thickness of the heat spreader 2110 is preferably 10 ⁇ m to 40 ⁇ m.
- the phase change material 2120 delays the conduction of heat diffused in the heat spreader 2110 to the heat insulation 2140.
- the phase change material 2120 absorbs the heat transferred to retard thermal conduction. That is, the phase change material absorbs heat while changing from solid state to liquid phase by endothermic reaction when heat is transferred. And the phase change material changes to solid phase when the ambient temperature drops.
- phase change material 2120 An example of the manufacturing method of the phase change material 2120 will be described.
- the phase change material is powdered, and then mixed with a powder, a binder, and a solvent of the phase change material to prepare a slurry in which the phase change material is dispersed.
- the slurry is filmed to prepare a film in which the powder of the phase change material is diffused, and applied to the phase change material 2120.
- phase change material 2120 is to place a heat spreader 2110 on a hot plate, apply a powder of phase change material on the heat spreader 2110, and then apply the temperature of the hot plate. After the powder of the phase change material is made liquid at (eg, approximately 65 ° C.), and the heat spreader 2110 is removed from the hot plate, the phase change material is in the form of a film.
- the thickness of the phase change material 2120 is preferably 10 ⁇ m to 30 ⁇ m.
- the cover part 2130 may be applied to a metal thin plate, such as an aluminum thin plate, to diffuse heat conducted from the phase change material 2120.
- the thermal insulation unit 2140 blocks heat conducted from the phase change material 2120.
- the heat insulating part 2140 is preferably integrated by nanofibers and applied to the nanofiber web having a microporous structure.
- the thickness of the heat insulation part 2140 is 5 micrometers-30 micrometers.
- the hybrid insulation sheet according to the first and second embodiments of the present invention can sequentially perform heat diffusion, heat absorption, heat diffusion, and heat insulation, and thus can be applied to a high-performance portable terminal because of excellent heat insulation performance.
- the thickness can be made thinner, so there is an advantage that can be adopted in ultra-thin and ultra-slim portable terminal.
- the nanofiber web is arranged in a three-dimensional network structure in which the electrospun nanofibers are irregularly stacked.
- the nanofibers form irregularly distributed micropores in the nanofiber web, and the micropores trap the air to inhibit the convection of air and insulate it. It becomes larger and has excellent insulation performance.
- the hybrid insulation sheet according to the first and second embodiments of the present invention is attached to the heat generating component, the structure (heat spreader) to diffuse the heat generated from the heat generating component, the structure to absorb the diffused heat to delay time (Phase change material), a structure (cover part) for re-diffusion of time-delayed heat and a structure for blocking heat (insulation part) are laminated to maximize heat insulation efficiency.
- phase change material 2120 When heat transferred from the hot spot of the heat spreader 2110 is filled and saturated in the heat spreader 2110, it is transferred to the phase change material 2120. Here, even though heat is not filled in the heat spreader 2110, heat is transferred to the phase change material 2120 that is close to the hot spot 2111.
- the phase change material 2120 delays the time when the transferred heat is absorbed by the phase change material 2120 and transferred to the cover part 2130. That is, heat transferred to the phase change material 2120 is absorbed in the phase change material. In this case, the phase change material continuously absorbs heat for a predetermined time until it is completely changed from the solid phase to the liquid phase, thereby delaying the time transferred from the phase change material 2120 to the cover part 2130.
- the heat is transferred to the heat insulation portion 2140, and the heat transferred to the heat insulation portion 2140 is blocked, that is, the heat insulation portion 140 made of the nanofiber web is fine. Blocks the heat transferred from the heat insulator 2140 to the pores.
- the hybrid insulation sheet according to the third and fourth embodiments of the present invention diffuses heat transferred from the heat generating component in the heat spreader 2110 and absorbs heat from the phase change material 2120 to delay time.
- the cover unit 2130 is transferred to the cover unit 2130, and the cover unit 2130 diffuses heat, transfers the heat transfer unit to the heat insulation unit 2140, and blocks the heat from the heat insulation unit 2140.
- the hybrid insulating sheets according to the third and fourth exemplary embodiments of the present invention have a temperature higher than that of the heat conducted from the heat spreader 2110 to the phase change material 2120 so that the phase change material 2120 can effectively exhibit the latent heat function. It is desirable to implement a phase change material which is phase changed at a low temperature of 2 ° C-5 ° C.
- 27A and 27B are conceptual cross-sectional views illustrating a laminated structure of a nanofiber web and a nonwoven fabric applied as a heat insulating part of a hybrid heat insulating sheet according to third and fourth embodiments of the present invention.
- the heat insulation part 2140 of the hybrid insulation sheet according to the third and fourth embodiments of the present invention may have a laminated structure (FIG. 27A) of the nanofiber web 2141 and the nonwoven fabric 2142.
- the present invention may be applied to a laminated structure (FIG. 27B) of the nanofiber web 2141 / nonwoven fabric 2142 / nanofiber web 2143.
- the thickness t1 of the nanofiber web 2 141 is preferably thinner than the thickness t2 of the nonwoven fabric 142.
- the nonwoven fabric 2142 when the heat insulating part 2140 is applied in a laminated structure of the nanofiber web 2141 and the nonwoven fabric 2142, the nonwoven fabric 2142 is cheaper than the nanofiber web 2141 and has a high strength. It is possible to reduce the manufacturing cost of the hybrid insulation sheet and at the same time improve the strength. In addition, since the nonwoven fabric 2142 also has a plurality of pores, the nonwoven fabric 2142 serves to insulate the heat by providing a function of blocking heat.
- the nanofiber web 2141 and the nonwoven fabric 2142 may be fused by thermal compression, the melting point of the nanofiber web 2141 is designed to be lower than the melting point of the nonwoven fabric 2142, by the heat applied during thermal compression It is desirable for the nanofiber web 2141 to melt and fuse to the nonwoven fabric 2142.
- the nonwoven fabric 2142 is a polyester series having a melting point higher than 155 ° C, The nonwoven fabric 2142 made of one of a nylon series and a cellulose series is applied.
- the area of the nanofiber web 2141 in contact with the nonwoven fabric 2142 is melted and fused with the nonwoven fabric 2142.
- the pore size of the nonwoven fabric 2142 is much larger than the pore size of the nanoweb, part of the molten nanofiber web 2141 penetrates into the pores of the nonwoven fabric 2142. That is, based on the interface between the nonwoven fabric 2142 and the nanofiber web 2141 before thermal compression, the nanofiber web 2141 melted in the direction of the nanofiber web 2141 and the nonwoven fabric 2142 at the interface after thermal compression. ) Is diffused and distributed.
- the nanofiber web 2141 is melted in the pores of the nonwoven fabric 2142, and the nanoparticles permeated into the pores of the nonwoven fabric 2142.
- the fiber web 2141 may lock to improve adhesion between the nanofiber web 2141 and the nonwoven fabric 2142.
- a polymer material in which PVdF and PAN are mixed at 5: 5 may be used as the polymer material forming the nanoweb.
- the electrospun nanofibers are formed in a structure having a core made of PAN, and a cover portion made of PVdF surrounding the core outer circumferential surface, and the nanofibers of this structure are stacked to form a nanofiber web 2141.
- the PVdF of the cover melts and soaks into the nonwoven fabric 2142 to be fused.
- the present invention adopts a heat insulating sheet containing a phase change material capable of absorbing heat, thereby providing a heat insulating sheet capable of increasing heat insulating efficiency.
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Abstract
Description
Claims (20)
- 내부에 중공부를 갖는 외피부; 및상기 중공부에 위치되어 상기 외부피에서 전달되는 열을 흡수하는 상변화 물질(Phase Change Material, PCM);을 포함하는 단열 시트.
- 제1항에 있어서,상기 외피부는 외부에서 전달된 열을 차단하는 단열부재로 이루어진, 단열 시트.
- 제2항에 있어서,상기 단열부재는 나노 섬유 웹 및 부직포가 적층된 구조, 또는 나노 섬유 웹, 부직포 및 나노 섬유 웹이 순차적으로 적층된 구조 또는 열전율이 낮는 폴리머로 이루어진 나노 섬유가 집적된 나노 섬유 웹으로 이루어진, 단열 시트.
- 제3항에 있어서,상기 나노 섬유 웹은 판상형으로 절첩한 구조이거나, 또는 다수 층으로 적층된 나노 섬유 웹 적층 구조인, 단열 시트.
- 제3항에 있어서, 상기 나노 섬유에 무기물 입자를 더 포함하는, 단열 시트.
- 제5항에 있어서, 상기 무기물 입자는 SiO2, SiON, Si3N4, HfO2, ZrO2, Al2O3, TiO2, Ta2O5, MgO, Y2O3, BaTiO3, ZrSiO4, HfO2로 이루어진 군으로부터 선택된 1종 이상의 입자, 또는 유리 섬유, 흑연, 암면, 클레이(clay)로 이루어진 군으로 이루어진 군으로부터 선택된 1종 이상의 입자인, 단열 시트.
- 제1항에 있어서,상기 외피부는 전달된 열을 확산(Spreading)시켜 방열하는 방열부재로 이루어진, 단열 시트.
- 제7항에 있어서,상기 상변화 물질은 상기 방열부재에서 상기 상변화 물질로 전도되는 열의 온도보다 2℃-5℃ 낮은 온도에서 상변화되는 물질인, 단열 시트.
- 내부에 중공부를 갖는 외피부 및 상기 중공부에 위치되어 상기 외부피에서 전달되는 열을 흡수하는 상변화 물질을 포함하는 단열 시트; 및상기 단열 시트의 일면, 양면 및 전체에 하이브리드되어 있는 적어도 하나의 보강 시트;를 포함하는 하이브리드 단열 시트.
- 제9항에 있어서, 상기 단열 시트와 상기 보강 시트 사이에 개재되어 접착된접착제를 더 포함하는 하이브리드 단열 시트.
- 제10항에 있어서,상기 접착제는 아크릴계, 에폭시계, 아라미드(aramid)계, 우레탄(urethane)계, 폴리아미드(polyamide)계, 폴리에틸렌(polyethylen)계, E.V.A계, 폴리에스테르(polyester)계, 및 P.V.C계 중 어느 하나의 접착제, 열접착이 가능한 섬유가 축적되어 형성된 다수의 기공을 갖는 핫 멜트 웹 및 핫 멜트 파우더 중 하나인 하이브리드 단열 시트.
- 제11항에 있어서,상기 접착제는 종횡비 1:100의 열확산용 전도성 필러 및 구 형상의 열전달용 전도성 필러를 포함하는 하이브리드 단열 시트.
- 제9항에 있어서,상기 보강시트는 단열 부재 또는 방열부재인 하이브리드 단열 시트.
- 제13항에 있어서,상기 단열 부재는 열전도율이 낮은 폴리머로 이루어지고, 방사되는 직경 5um 미만의 나노 섬유에 의해 집적되어 미세 기공 구조를 갖는 다공성 나노 섬유 웹으로 이루어진 하이브리드 단열 시트.
- 제13항에 있어서,상기 방열부재는 제1열전도율을 갖는 제1방열층; 및 상기 제1방열층에 접합되며, 제2열전도율을 갖는 제2방열층;을 포함하고, 상기 제1방열층의 제1열전도율은 상기 제2방열층의 제2열전도율보다 낮으며, 상기 제1방열층은 상기 발열 부품에 부착, 접촉 및 근접 중 하나의 상태로 결합되어 있는 하이브리드 단열 시트.
- 제9항에 있어서,상기 단열시트는 전달된 열을 확산시키는 히트스프레더, 상기 히트스프레더에 고정된 금속 박판, 상기 히트스프레더 및 상기 금속 박판 사이에 위치된 상변화 물질을 포함하는 구조, 또는 전달된 열을 확산시키는 히트스프레더, 상기 히트스프레더에 고정되고 적어도 하나의 관통홀이 형성된 가이드부, 상기 가이드부의 관통홀에 충진된 상변화 물질, 및 상기 상변화 물질을 감싸며 상기 가이드부에 고정된 금속 박판을 포함하는 구조로 이루어진 하이브리드 단열 시트.
- 내부 공간이 구비된 외피재; 및상기 외피재 내부 공간에 배치되어 상기 외피재를 지지하는 하이브리드 단열 시트를 포함하며,상기 하이브리드 단열 시트는,열을 흡수하는 상변화 물질을 포함하는 제1단열 시트와,상기 제1단열 시트에 하이브리드되어 있고 나노 섬유에 의해 집적되어 미세 기공 구조를 갖는 다공성 나노 섬유 웹으로 이루어진 제2단열 시트를 포함하는 단열 패널.
- 제17항에 있어서, 상기 나노 섬유는 열전도율이 0.1W/mK 미만인 고분자로 이루어진 단열 패널.
- 제17항에 있어서, 상기 제1단열 시트와 상기 제2단열 시트 사이에 개재된 부직포를 더 포함하는 단열 패널.
- 제17항에 있어서, 상기 외피재의 내부 공간은 진공 또는 감압되어 있는 단열 패널.
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CN201480038408.6A CN105358893B (zh) | 2013-07-05 | 2014-07-04 | 隔热片、混合型隔热片及隔热面板 |
US14/902,078 US10088092B2 (en) | 2013-07-05 | 2014-07-04 | Thermal insulation sheet, hybrid thermal insulation sheet, and thermal insulation panel |
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KR10-2013-0097860 | 2013-08-19 | ||
KR1020130122009A KR101990106B1 (ko) | 2013-10-14 | 2013-10-14 | 하이브리드 단열 시트 및 그의 제조 방법 |
KR10-2013-0122009 | 2013-10-14 | ||
KR10-2014-0083614 | 2014-07-04 | ||
KR1020140083614A KR101576158B1 (ko) | 2013-07-05 | 2014-07-04 | 단열 시트, 하이브리드 단열 시트, 그 제조 방법 및 단열 패널 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017029460A1 (fr) * | 2015-08-20 | 2017-02-23 | Hutchinson | Ensemble et panneau articule, a portions intermediaires de positionnement, pour une isolation thermique |
FR3040212A1 (fr) * | 2015-08-20 | 2017-02-24 | Hutchinson | Ensemble isolant thermique et structure isolee par cet ensemble |
KR20180115089A (ko) * | 2017-04-12 | 2018-10-22 | 국방과학연구소 | 이중 구조 열 방호 시트 및 방호 방법 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08233193A (ja) * | 1995-02-24 | 1996-09-10 | Sharp Corp | 断熱パネル |
KR20080054235A (ko) * | 2006-12-12 | 2008-06-17 | 한국생산기술연구원 | 에어로겔 단열시트를 구비하는 단열관 |
KR20110061675A (ko) * | 2009-12-02 | 2011-06-10 | (주)씨쓰리엠앤씨 | 상변화물질이 충진된 에어캡을 이용한 단열재 및 그의 제조방법 |
KR20110089470A (ko) * | 2010-02-01 | 2011-08-09 | 조영수 | 상 변화물질 흡착 충진 시트 |
KR200465140Y1 (ko) * | 2012-08-10 | 2013-02-05 | 에코신소재주식회사 | 다층 단열시트 |
-
2014
- 2014-07-04 WO PCT/KR2014/006018 patent/WO2015002505A1/ko active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08233193A (ja) * | 1995-02-24 | 1996-09-10 | Sharp Corp | 断熱パネル |
KR20080054235A (ko) * | 2006-12-12 | 2008-06-17 | 한국생산기술연구원 | 에어로겔 단열시트를 구비하는 단열관 |
KR20110061675A (ko) * | 2009-12-02 | 2011-06-10 | (주)씨쓰리엠앤씨 | 상변화물질이 충진된 에어캡을 이용한 단열재 및 그의 제조방법 |
KR20110089470A (ko) * | 2010-02-01 | 2011-08-09 | 조영수 | 상 변화물질 흡착 충진 시트 |
KR200465140Y1 (ko) * | 2012-08-10 | 2013-02-05 | 에코신소재주식회사 | 다층 단열시트 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017029460A1 (fr) * | 2015-08-20 | 2017-02-23 | Hutchinson | Ensemble et panneau articule, a portions intermediaires de positionnement, pour une isolation thermique |
FR3040212A1 (fr) * | 2015-08-20 | 2017-02-24 | Hutchinson | Ensemble isolant thermique et structure isolee par cet ensemble |
US11174978B2 (en) | 2015-08-20 | 2021-11-16 | Hutchinson | Assembly and articulated panel with intermediate positioning portions, for thermal insulation |
KR20180115089A (ko) * | 2017-04-12 | 2018-10-22 | 국방과학연구소 | 이중 구조 열 방호 시트 및 방호 방법 |
KR101939458B1 (ko) | 2017-04-12 | 2019-01-16 | 국방과학연구소 | 이중 구조 열 방호 시트 및 방호 방법 |
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