WO2023200056A1 - 진공 단열 박스 - Google Patents

진공 단열 박스 Download PDF

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Publication number
WO2023200056A1
WO2023200056A1 PCT/KR2022/015852 KR2022015852W WO2023200056A1 WO 2023200056 A1 WO2023200056 A1 WO 2023200056A1 KR 2022015852 W KR2022015852 W KR 2022015852W WO 2023200056 A1 WO2023200056 A1 WO 2023200056A1
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WO
WIPO (PCT)
Prior art keywords
insulation
vacuum
core
cells
wall
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2022/015852
Other languages
English (en)
French (fr)
Korean (ko)
Inventor
김현철
김영준
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Temp Chain Co Ltd
Original Assignee
Temp Chain Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Temp Chain Co Ltd filed Critical Temp Chain Co Ltd
Priority to EP22937569.6A priority Critical patent/EP4509428A4/de
Priority to CN202280090434.8A priority patent/CN118613429A/zh
Priority to US18/836,328 priority patent/US20250376316A1/en
Publication of WO2023200056A1 publication Critical patent/WO2023200056A1/ko
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/38—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation
    • B65D81/3813—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container
    • B65D81/3823—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents with thermal insulation rigid container being in the form of a box, tray or like container formed of different materials, e.g. laminated or foam filling between walls
    • 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
    • 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
    • F25D2323/00—General constructional features not provided for in other groups of this subclass
    • F25D2323/06—Details of walls not otherwise covered
    • F25D2323/061—Collapsible walls

Definitions

  • the present invention relates to a vacuum insulated box, which can manufacture a plurality of panels that can be connected to each other and minimize heat discharged to the outside when connecting the panels.
  • a cold box or insulated box is used for medical purposes such as storing organs, which are items placed inside, or for transporting food items.
  • organs which are items placed inside, or for transporting food items.
  • the items stored inside can be stored outside. It can be insulated and transported.
  • the conventional cold storage box or insulated box has a problem in that when panels are connected, heat is discharged from the connected area, so the items inside the insulated box exchange heat with the outside.
  • Republic of Korea Patent No. 10-2037044 bends and molds a vacuum insulation panel in which a plurality of insulation cells are integrated to form a development pattern to form an insulation compartment, thereby improving the insulation structure of the adjacent edges, preventing heat loss, and preventing heat loss between insulation cells. It provides excellent space utilization by providing a bending strain rate close to a right angle, and has different insulation performance for each area by simply changing the thickness of the insulation cell.
  • the insulation cells manufactured in a vacuum come out at atmospheric pressure and are compressed. As a result, deformation of the inner and outer skins of the insulation cells may occur, and when connecting the insulation cells, the connection parts are not in close contact, making it difficult to completely seal, resulting in a problem of fine heat exchange at the connection parts.
  • Republic of Korea Patent No. 10-2107558 folds one two-dimensional vacuum insulation panel to form an internal sealed space, and provides an internal six-sided insulating sealed space through the folding method, thereby blocking heat transfer that occurred at the corners.
  • all sides must be formed differently and folded overlapping, resulting in excessive manufacturing costs and difficulty in manufacturing.
  • the present invention was developed based on the technical background described above.
  • a vacuum insulation panel is manufactured in a vacuum and discharged to atmospheric pressure
  • the shape of the panel is manufactured taking into account that the panel shrinks due to atmospheric pressure, thereby changing the shape of the panel.
  • the purpose is to provide a vacuum insulation box in which the contact edges between panels can be completely adhered even when deformed, while reducing production costs and shortening production time.
  • the present invention is a development diagram in which a plurality of insulation cells having an inclined portion at one end inclined at an angle of 45 degrees or more are disposed, and a plate portion surrounding the insulation cells and connecting the insulation cells is formed.
  • the plate portion may include a vertical plate connecting the insulation cells installed perpendicular to the floor and a horizontal plate vertically coupled to the vertical plate.
  • the core portion is formed of an inorganic material such as organic fiber, inorganic fiber, and fumed silica, and a plurality of trapezoidal core members are stacked. As the core members are stacked, the area of the core member may be reduced. there is.
  • the core portion may have both ends protruding in a rounded outward direction to form a protruding surface.
  • both ends of the core portion may be formed at an angle equal to the inclination angle of the inclined portion.
  • concave portions in which both ends of the core portion are recessed inward may be formed.
  • the insulation cell may include an inner wall formed surrounding the core portion and an outer wall installed on an outer surface of the inner wall to be spaced apart from the inner wall to form a space and maintain a vacuum state in the space.
  • the plate portion includes a vertical body attached to the outer surface of the plurality of insulation cells, an adhesive member protruding from both ends of the vertical body, and a surface opposite to the surface on which the insulation cell is installed on the vertical body. , It may include a tension portion formed at a location where the insulation cells adjacent to each other come into contact with each other.
  • the core member is disposed spaced apart from an integrated first core member on one side of the first core member, is laminated with a decreasing area on the first core member, and an inclined surface is formed on the outer surface to form a trapezoidal shape. It may include a second core member forming.
  • the vacuum insulation box according to an embodiment of the present invention is manufactured by assembling the insulation cells of the vacuum panel, the upper part of each insulation cell is formed in a trapezoid shape and both ends are formed with inclined portions inclined at an angle of 45 degrees or more.
  • the vacuum insulation box according to an embodiment of the present invention has a close contact portion protruding outward in the contact area, so that when the vacuum panel is manufactured and discharged to atmospheric pressure, the vacuum panel shrinks due to atmospheric pressure, resulting in a bore ( When a gap (English required) is formed in the close contact area and the inclined parts of adjacent insulation cells come into contact with each other, the close contact part that protrudes to the outside is compressed, and the close contact part formed inside the bore (air gap) existing on the outer surface of the close contact part is exposed to the outside. It can be discharged to supplement bores or voids, improving airtightness between adjacent insulation cells.
  • the vacuum insulation box connects a plurality of insulation cells to extend the insulation cells having a rectangular horizontal cross-section, such as an “I” shape, “L” shape, “ ⁇ ” shape, or “ ⁇ ” shape. , manufacturing time can be reduced by producing a development diagram that can be created and packaging connected insulation cells at once.
  • the adhesive protruding on both ends of the vacuum panel of the vacuum insulation box is an insulation cell that is connected to both ends by gluing the extended adhesive portion when the development view is assembled and connecting the insulation cells located at both ends.
  • the bond strength can be improved.
  • the core portion of the vacuum insulation box according to an embodiment of the present invention is formed by stacking core members with different widths, thereby effectively blocking heat exchange between the inside and outside of the insulation cell.
  • the core portion of the vacuum insulated box according to an embodiment of the present invention has both ends protruding, which may cause deformation of the core portion or space between the core portion and the space between the core portion and the space that may occur by pressing the core portion due to shrinkage of the inner wall, which may occur even slightly due to contraction of the outer wall. Adhesion is reduced, preventing heat exchange from occurring.
  • the core portion of the vacuum insulation box according to an embodiment of the present invention is formed in a shape in which both ends are retracted inward, so that when the vacuum panel contracts, the inner wall adheres to the retracted surfaces of both ends of the core portion, creating a vacuum state between the outer wall and the inner wall. It is possible to prevent a decrease in heat blocking efficiency by minimizing deformation of the vacuum panel while maintaining .
  • the plate portion of the vacuum insulation box according to an embodiment of the present invention is located at the bottom of the insulation cell and connects a plurality of connected trapezoidal insulation cells, and when folded between adjacent insulation cells, the tension portion protrudes outward and edges. Heat exchange occurring in the area can be blocked.
  • FIG. 1 is a perspective view of a vacuum insulation box according to an embodiment of the present invention.
  • Figure 2 is a perspective view of an insulation cell according to an embodiment of the present invention.
  • Figure 3 is a cross-sectional view of an insulation cell according to an embodiment of the present invention.
  • Figure 4 is an exploded view of a vacuum insulation box according to an embodiment of the present invention.
  • Figure 5 is a cross-sectional view of an insulation cell according to an embodiment of the present invention.
  • Figure 6 is a diagram showing a state in which insulation cells according to an embodiment of the present invention are combined.
  • Figure 7 is an exploded view of a vacuum panel according to a second embodiment of the present invention.
  • Figure 8 is an exploded view of a vacuum panel according to a third embodiment of the present invention.
  • Figure 9 is an exploded view of a partially folded vacuum panel according to a third embodiment of the present invention.
  • Figure 10 is a cross-sectional view of an insulation cell according to a fourth embodiment of the present invention.
  • Figure 11 is a cross-sectional view of an insulation cell according to a fifth embodiment of the present invention.
  • Figure 12 is a cross-sectional view of an insulation cell according to the sixth embodiment of the present invention.
  • FIGS 13 to 15 are views showing photographs of the vacuum insulation box of the present invention being manufactured.
  • Figure 1 is a perspective view of a vacuum insulation box according to an embodiment of the present invention
  • Figure 2 is a perspective view of an insulation cell according to an embodiment of the present invention
  • Figure 3 is a cross-sectional view of an insulation cell according to an embodiment of the present invention
  • Figure 4 is an exploded view of a vacuum insulation box according to an embodiment of the present invention
  • Figure 5 is a cross-sectional view of an insulation cell according to an embodiment of the present invention
  • Figure 6 is an insulation cell according to an embodiment of the present invention. This diagram shows the combined state.
  • the vacuum insulation box (1) has an internal first space (S1) formed, and is blocked from the external environment of organs or food, which may be items located in the internal first space, to prevent heat exchange with the outside for transportation or storage. It can prevent deterioration and damage to products that occur during use.
  • the vacuum insulation box (1) manufactured in a vacuum when taken out to an external environment that can have atmospheric pressure, the vacuum insulation box (1) forms the box at the ground portion between the panels forming the vacuum insulation box (1).
  • the vacuum insulation box (1) By preventing bores or voids generated due to shrinkage of the panel 100, heat exchange at the corners of the vacuum insulation box 1 with the outside can be prevented.
  • the vacuum insulation box (1) can be developed into various shapes such as "I” shape, "L” shape, “ ⁇ ” shape, and “ ⁇ ” shape, so it is possible to manufacture boxes of various shapes and The packaging of the unfolded vacuum insulated box (1) can be performed at once, thereby reducing manufacturing time and manufacturing costs.
  • the vacuum insulation box 1 may be difficult to connect at the ends when manufactured by folding the expansion furnace, thereby preventing heat exchange from occurring.
  • the vacuum insulation box (1) blocks heat exchange that may occur at the corners when storing goods therein, and includes vacuum insulation boxes (1) of various shapes. ) can be manufactured and can include a vacuum panel 100 so that packaging can be done at once.
  • the vacuum panel 100 may be formed by connecting a plurality of insulation cells 130 to each other. Additionally, the vacuum panel 100 may be part of an expanded view that can be folded into an “I” shape, “L” shape, “ ⁇ ” shape, “ ⁇ ” shape, etc.
  • the vacuum panel 100 can be formed in a shape that can be a developed view of a cube, so that a box of the cube can be manufactured.
  • the core portion 300 which may be an insulating material, can be placed in a development position for manufacturing a cube and packaged at once, thereby simplifying the manufacturing process.
  • the core portion 300 may be made of inorganic materials such as organic fibers, inorganic fibers, and fumed silica.
  • the vacuum panel 100 has a plate portion ( 110) and an insulation cell 130.
  • the plate portion 110 and the insulation cell 130 may be separately described, but the plate portion 110 and the insulation cell 130 may be integrated.
  • the plate portion 110 and the insulation cell 130 may be formed while surrounding the core portion 300, which will be described later.
  • it may be a packaging paper for packaging the core portion 300 in a vacuum.
  • the portion located on the bottom surface of the core portion 300 may be the plate portion 110, and the portion facing upward of the core portion 300 may be the insulation cell 130.
  • the plate portion 110 may include a vertical plate 111 and a horizontal plate 113 to form a first space S1 therein.
  • the vertical plate 111 includes a vertical body 111a, an adhesive member 111b, and a vertical body 111a that can be integrally connected and formed of a hard material so that a space can be formed inside and the heat shielding effect of the folded portion can be improved. It may include a tension portion 111c.
  • the vertical body 111a may be formed with a square cross-section. Additionally, the vertical body 111a may be installed in a direction perpendicular to the floor surface. Additionally, the vertical body 111a may be extended integrally. In addition, the vertical body 111a may be extended according to the number of insulation cells 130, which will be described later, are seated on one surface. At this time, the number of insulation cells 130 may be 1 to 6.
  • the insulation cells 130 coupled to one surface of the vertical body 111a are tilted and come into contact with each other, the inside and outside of the insulation cells 130 can be separated, heat exchange can be blocked, and It is formed in a shape that surrounds the insulation cell 130, so that the insulation cell 130 can be combined.
  • the vertical body 111a may have an adhesive member 111b extending over a certain length in the longitudinal direction in which the insulation cell 130 extends.
  • the adhesive member 111b may be formed with a square cross-section.
  • the adhesive member 111b is formed to extend in the longitudinal direction in which the vertical body 111a extends, and connects both ends of the vertical body 111a that can face each other when the vertical body 111a is folded, thereby forming the vertical body 111a.
  • heat exchange can be blocked at the corner formed by connecting both ends of the vertical body (111a).
  • a tension portion 111c may be formed in the outer direction of the vertical body 111a.
  • the tension portion 111c may block heat exchange in the folded portions of the vertical body 111a, which are formed when the vertical body 111a is folded several times.
  • the tension portion 111c may be formed in a circular cross-section with a portion of the tension portion being open. Additionally, a plurality of tension units 111c may be formed depending on the number of times the vertical body 111a is folded. For example, when the vertical body 111a is folded twice, a tension portion 111c may be formed at the folded portion.
  • the horizontal plate 113 may be coupled to the upper and lower parts of the vertical plate 111 that are folded together. Additionally, the horizontal plate 113 may extend from the vertical plate 111. For example, the vertical plate 111 and the horizontal plate 113 may be extended in a developed manner to form a cube and formed as one piece. In addition, the vertical plate 111 and the horizontal plate 113 may be separated from each other, so that the vertical plate 111 extends in an “I” shape, and the horizontal plate 113 may be separately coupled to the upper and lower parts.
  • the vertical plate 111 and the horizontal plate 113 can be shaped into an “I” shape, an “L” shape, a “ ⁇ ” shape, or a “ ⁇ ” shape. It can be manufactured in a “shape”, etc.
  • goods can be stored in the inner direction of the vertical plate 111 and the horizontal plate 113, and the insulation cell 130 can be coupled to the inner direction where the goods are stored.
  • the insulation cell 130 may include an outer wall 131 and an inner wall 133 to prevent heat exchange between one side of the insulation cell 130 and the other side of the insulation cell 130. At this time, the thermal conductivity of the insulation cell 130 may be about 0.0080 W/MK or less.
  • the outer wall 131 may have a trapezoidal cross-section. At this time, the outer wall 131 may be formed to have a narrower width than the side facing inward than the side facing outward. That is, the outer wall 131 may have a trapezoidal shape whose width becomes narrower toward the inside.
  • the outer wall 131 is formed in a trapezoidal shape, so that an inclined portion 131a may be formed on the side.
  • the inclined portion 131a is formed to be inclined at a predetermined angle, thereby improving the contact area between adjacent insulating cells 130 and preventing heat exchange.
  • the angle between the inclined portion 131a and the inner surface of the outer wall may be formed at an angle of 45 degrees or more.
  • the outer wall 131 may be formed of PET (polyethylene terephthalate), heat-resistant synthetic resin, paper, aluminum thin film (Al film), aluminum deposition film (Al metalized film), etc.
  • the inner side may be formed in the inner direction of the outer wall 131.
  • the inner wall 133 may be formed in a trapezoidal shape. Additionally, the inner wall 133 may be formed in the same shape as the outer wall 131, and the inner wall 133 may be formed to have a smaller area than the outer wall 131.
  • the inner wall 133 may be formed of PET (polyethylene terephthalate), heat-resistant synthetic resin, paper, aluminum thin film (Al film), aluminum deposition film (Al metalized film), etc.
  • PET polyethylene terephthalate
  • Al film aluminum thin film
  • Al metalized film aluminum deposition film
  • a second space S2 spaced apart at a predetermined interval may be formed between the outer wall 131 and the inner wall 133. Additionally, the second space S2 may be in a vacuum state. Through this, an insulation material is installed inside the inner wall 133 to block heat exchange between the spaces located on one side and the other side of the outer wall 131.
  • a plurality of core portions 300 are arranged to form one row, and the core portion ( The protruding part of 300 can be placed inward and wrapped, so that the core portion 300 is seated inside and a ground portion 200 that is folded from below can be formed.
  • the ground portion 200 may be formed to protrude downward from the plate portion 110, and the ground portion 200 may be an end portion of the wrapping paper remaining at the end while surrounding the core portion 300. At this time, the ground portion 200 may be a portion that covers the core portion 300 from the top and touches the excess portion toward the bottom, so that the ground portion 200 is formed on the outside of the vacuum insulation box 1,
  • the stack of the core portion 300 which will be described later, is formed in a trapezoidal shape, so that when the insulation cell 130 is folded inward, the interference of the film of the ground portion 200 is eliminated, thereby preventing the creation of a gap due to the film thickness, thereby preventing heat. Emission can be blocked.
  • the ground portion 200 is formed to have a certain thickness so that heat in the ground portion 200 can be effectively blocked, and when manufacturing the vacuum insulation box 1, the first space S1 formed is wide. It can be formed so that more capacity can be stored inside.
  • the core portion 300 may be a vacuum insulating material formed inside the inner wall 133. Additionally, the outer surface of the core portion 300 may be formed in close contact with the inner surface of the inner wall. Additionally, the core portion 300 may be formed with a trapezoidal cross-section.
  • the core portion 300 may be formed by stacking a plurality of layers. For example, by manufacturing the core member 311 in a plate shape and stacking the core members 311, the core member 300 can be manufactured, and the thickness or size of the core member 300 can be determined, thereby allowing vacuum It can be easy to manufacture the thickness and size required for manufacturing the panel 100, and cost and time can be reduced when manufacturing the vacuum panel.
  • a thin film may be formed on the outer or inner surface of the core portion 300 so as to be in close contact with the outer surface of the core portion 300 to improve the heat transfer blocking effect of the core portion 300. there is. Through this, the heat transfer blocking effect of the core portion 300 can be improved.
  • the close contact portion 500 may be formed on the inclined portion 131a to protrude in an outward direction of the inclined portion 131a. Additionally, the outer surface of the close contact portion 500 may be formed in an arc shape. For example, the close contact portion 500 may be formed of the same material as the outer wall 131 and the inner wall 133, or may be formed of an elastic material with slightly higher hardness than the outer wall 131 and the inner wall 133. . Additionally, the close contact portion 500 can be formed by separately attaching tapes of the same thickness, such as silicone, foam tape, or silicone foam tape.
  • the close contact portion 500 is pressed inward, allowing the adjacent insulation cells 130 to come into close contact with each other.
  • the core portions 300 may be placed adjacent to each other and a packaging material, which may be an insulating cell 130, may be packaged.
  • a packaging material which may be an insulating cell 130
  • the outer wall 131 or the inner wall 133 of the insulation cells 130 shrinks, forming a bore or void. It can be. That is, the surface may be formed to be curved.
  • the close contact part 500 is compressed and the close contact part 500 can fill the bore or gap.
  • the areas of the close contact portions 500 can be pressed together to fill the internal bores and voids, thereby supplementing the heat exchange between the inside and the outside at the corners of the product sealed through the insulation cell 130, and the insulation cells adjacent to each other By improving adhesion and airtightness between the cells (130), heat exchange between the inside and outside of the insulating cell (130) can be blocked.
  • the vacuum panel 100 may have a plurality of insulation cells 130 protruding from a surface facing the inside of the horizontal plate 113 or the vertical plate 111. At this time, when adjacent insulation cells 130 are folded so that the inclined portions 131a of the insulation cells 130 contact each other, the vertical plate 111 or the horizontal plate 113 may be folded.
  • a tension portion 111c may be formed in the folded portion of the vertical plate 111 and the horizontal plate 113, so that heat exchange between the inside and the outside can be blocked at the folded portion.
  • bores or voids may be formed in the outer wall 131 or the inner wall 133 of the insulation cell 130 as the vacuum is discharged to atmospheric pressure.
  • the bore or gap formed on the inclined portion 131a may also be formed in the close contact portion 500, and the close contact portion 500 of the insulation cells 130 in contact with each other is the outer wall 131 or the close contact portion 500. They can come into close contact with each other while filling the bores or voids formed on the surface or inside, and thus can block heat exchange that may occur in the area where the insulation cells 130 are in contact.
  • Figure 7 is an exploded view of an insulation cell according to a second embodiment of the present invention.
  • the vacuum panel 600 is formed by extending five insulation cells 130, so that a partially open vacuum insulation box 1 can be manufactured.
  • one insulating cell 130 can be used as a cover to cover the open portion and store the items inside.
  • the insulation cell that seals the open upper or lower part may be made of a different material or of a different shape.
  • the vacuum insulation box (1) can be manufactured in a “ ⁇ ” shape with both sides sealed, and when manufacturing the “ ⁇ ” shaped vacuum insulation box (1), the vacuum panel (600) is packed at once to reduce the manufacturing time. This can be shortened.
  • Figure 8 is an exploded view of the vacuum panel according to the third embodiment of the present invention
  • Figure 9 is a view showing a partially folded state of the vacuum panel according to the third embodiment of the present invention.
  • the vacuum panel 100 according to the third embodiment of the present invention is formed by extending four insulation cells 130, thereby making it possible to manufacture the “I” shaped vacuum panel 700. You can. At this time, the “I” shaped vacuum panel 700 can be manufactured by forming a wall, etc.
  • the core portion 300 which may be an insulating material, can be placed and packaged at once, thereby shortening the manufacturing time.
  • Figure 10 is a cross-sectional view of an insulation cell according to a fourth embodiment of the present invention.
  • the core portion 1300 has a contact area between the outer surface of the core portion 1300 and the inner wall 133 in the direction of the outer wall 131 of the core portion 1300.
  • a plurality of core members 1310 may be stacked to form the core portion 1300 so as to minimize bores or voids that occur when the vacuum panel 100, which is protruding and manufactured in a vacuum state, is moved to atmospheric pressure.
  • the core portion 1300 includes a first core member 1311, a second core member 1312, a third core member 1313, and a fourth core member so that the width becomes wider from the top to the bottom. It may include (1314) and the fifth core member (1315).
  • the width of the core members 1311, 1312, 1313, 1314, and 1315 may become wider.
  • protruding surfaces 1311a, 1312a, 1313a, 1314a, and 1315a that protrude outward from the core members 1311, 1312, 1313, 1314, and 1315 and come into contact with the inner wall 133 may be formed.
  • the protruding surfaces (1311a, 1312a, 1313a, 1314a, 1315a) are the first protruding surface (1311a), the second protruding surface (1312a), and the third protruding surface according to the respective core members (1311, 1312, 1313, 1314, 1315). It may include a surface 1313a, a fourth protruding surface 1314a, and a fifth protruding surface 1315a.
  • the first protruding surfaces (1311a) to the fifth protruding surfaces (1315a) gradually protrude outward as they go downward, and when the first protruding surfaces (1311a) to the fifth protruding surfaces (1315a) are combined, they protrude in the outward direction.
  • One gently protruding protruding portion may be formed.
  • the upper surface of the outer surface of the first core member 1311 located at the uppermost part may be in close contact with the upper surface of the inner wall 133.
  • the first protruding surfaces 1311a formed on both sides of the first core member 1311 may be in close contact with the inner surface of the inclined portion 131a forming a slope on the outer surface of the inner wall 133.
  • the first protruding surface 1311a which may be the outermost surface of the protruding portion on the outer surface of the first core member 1311, is pressing the inner wall 133 located on the upper part of the inner wall 133 outward. You can. Through this, the formation of bores or voids can be minimized.
  • the second protruding surface 1312a may be a gently curved surface at the lowermost part of the first protruding surface 1311a.
  • the second protruding surface 1312a may extend downward starting from the lowermost part of the first protruding surface 1311a.
  • the gentle curve of the second protruding surface 1312a may be in a line that continues with the curve of the first protruding surface 1311a, so that the extension of the first protruding surface 1311a and the second protruding surface 1312a is one. It can be formed as a curve.
  • the rate of change in inclination can be formed to be the same for one protruding surface 1311a and 1312a.
  • the second protruding surface 1312a is formed in the same manner as the third protruding surface 1313a, the fourth protruding surface 1314a, and the fifth protruding surface 1315a, so that the first protruding surface 1311a to the fifth protruding surface 5
  • the protruding surface 1315a may have a concave shape.
  • Figure 11 is a cross-sectional view of an insulation cell according to a fifth embodiment of the present invention.
  • the plurality of core members 2311, 2312, 2313, 2314, and 2315 of the core portion 2300 according to the fifth embodiment of the present invention are formed on the outer surface and inner wall 133 of the core portion 2300.
  • Concave portions 2311a, 2312a, 2313a, 2314a, and 2315a may be formed so that the contact portions can be spaced apart at predetermined intervals.
  • the insulation cell 130 which is moved from vacuum to atmospheric pressure, is pressed from the outside to the inside by atmospheric pressure, the inner surface of the inner wall 133 is pressed in the direction of the core portion 2300. It can be adhered to the concave surfaces 2311a, 2312a, 2313a, 2314a, and 2315a formed on the outer surface of the core portion 2300.
  • the convexly protruding portion may be drawn inward, thereby preventing a decrease in insulation performance.
  • the concave portions 2311a, 2312a, 2313a, 2314a, and 2315a may be formed on the outer surfaces of the first to fifth core members 2311 to 2315 by being recessed into the core portion 2300.
  • the concave portions 2311a, 2312a, 2313a, 2314a, and 2315a are first concave surfaces ( 2311a), a second concave surface 2312a, a third concave surface 2313a, a fourth concave surface 2314a, and a fifth concave surface 2315a.
  • the first concave surface 2311a may be formed on the first core member 2311 formed at the uppermost end with the smallest area. Additionally, the first concave surface 2311a has the inner wall 133 as the At this time, the uppermost part of the first concave surface 2311a may be formed from a corner formed at the upper end of the inner wall 133.
  • the second concave surface 2312a may be formed from the lower end of the first concave surface 2311a. At this time, the second concave surface 2312a may be formed on the outer surface of the second core member 2312. That is, it may be formed in a shape extending from the first concave surface 2311a.
  • the slope of the second concave surface 2312a may be changed at a rate of change that is smaller than the rate of change of the slope of the first concave surface 2311a.
  • the rate of change in inclination may be smaller than that of the first concave surface 2311a.
  • the third concave surface 2313a may be formed at a rate of change that is smaller than the rate of change in inclination of the second concave surface 2312a. Additionally, from a point where the inclination is 0 on the outer surfaces of the third concave surface 2313a and the fourth concave surface 2314a, the inclination may increase again and continue to the fifth concave surface 2315a.
  • the rate of change of the slope which may be an absolute value, may increase as it goes downwards of the fourth concave surface (2314a) and the fifth concave surface (2315a), so that the lower end of the fifth concave surface (2315a) is formed by the fifth core member (2315a). ) can be in contact with the lower part of the.
  • the first concave surface (2311a) to the fifth concave surface (2315a) can gently form one concave portion (2311a, 2312a, 2313a, 2314a, 2315a), so that the core portion ( By pressurizing the outer surface of 2300) to minimize the formation of voids, heat transfer to the insulation cell 130 can be blocked.
  • Figure 12 is a cross-sectional view of an insulation cell according to the sixth embodiment of the present invention.
  • the core portion 3300 of the vacuum insulation box 1 is a plurality of core portions 3300 forming one row can be connected to each other, and the core portion ( 3300), located at the lower end of the first to fourth core members 3311, 3312, 3313, and 3314 formed of a plurality of layers to prevent heat loss that may occur when packed with the vacuum panel 100. 5 It can be connected through the core member 3315.
  • the fifth core member 3315 located at the bottom is connected to the insulation cell 130 and the core portion 3300. It can be performed as a single member role. That is, the first to fourth core members 3311, 3312, 3313, and 3314 may be formed by stacking on top of the fifth core member 3315, and the first to fourth core members 3311, 3312, 3313, The first to fourth core members 3311, 3312, 3313, and 3314 having a trapezoidal shape formed by 3314) may be stacked on top of the fifth core member 3315 while being spaced apart from each other.
  • the fifth core member 3315 is positioned at the connection portion between the insulation cells 130 where heat loss may occur when the adjacent insulation cells 130 are bent. This can prevent heat loss in the connection area.
  • a separation distance L1 may be formed between the first to fourth core members 3311, 3312, 3313, and 3314 that form a trapezoid and are spaced apart from each other.
  • the separation distance (L1) is such that when adjacent insulation cells 130 are folded and come into contact with each other, folding is possible, and by additionally increasing the thickness of the connection portion, heat loss mainly occurring at the connection portion can be minimized.
  • the core portion 3300 when the core portion 3300 is stacked in multiple stages to form a trapezoid, the last row of the fifth core member 3315 is extended, and when the vacuum insulation box 1 is evacuated, the core portion 3300 is raised into the air. It is possible to prevent the shape from being floated and dissipated and to prevent heat that may be released through gaps in the stacked first to fourth core members 3311, 3312, 3313, and 3314.
  • the vacuum insulation box 1 is easy to manufacture vacuum panels 100, 700, and 800 of various shapes and forms, so it can be used in various fields other than storing items inside, and the insulation cell 130 )'s material and shape improve the insulation effect, and by blocking heat exchange at the folded part when manufacturing the vacuum insulation box (1), the heat insulation effect between the inside and the outside can be improved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Insulation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
PCT/KR2022/015852 2022-04-11 2022-10-18 진공 단열 박스 Ceased WO2023200056A1 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP22937569.6A EP4509428A4 (de) 2022-04-11 2022-10-18 Vakuumisolationsbox
CN202280090434.8A CN118613429A (zh) 2022-04-11 2022-10-18 真空隔热箱
US18/836,328 US20250376316A1 (en) 2022-04-11 2022-10-18 Vacuum insulation box

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020220044323A KR102531641B1 (ko) 2022-04-11 2022-04-11 진공 단열 박스
KR10-2022-0044323 2022-04-11

Publications (1)

Publication Number Publication Date
WO2023200056A1 true WO2023200056A1 (ko) 2023-10-19

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PCT/KR2022/015852 Ceased WO2023200056A1 (ko) 2022-04-11 2022-10-18 진공 단열 박스

Country Status (5)

Country Link
US (1) US20250376316A1 (de)
EP (1) EP4509428A4 (de)
KR (1) KR102531641B1 (de)
CN (1) CN118613429A (de)
WO (1) WO2023200056A1 (de)

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US12378058B2 (en) 2015-11-25 2025-08-05 Yeti Coolers, Llc US CIP: insulating container having vacuum insulated panels and method
US12473136B2 (en) 2023-12-22 2025-11-18 Insight 2 Design, Llc Insulated device

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KR200500135Y1 (ko) 2024-07-10 2026-03-11 템프체인 주식회사 모니터링 장치를 포함하는 진공 단열 박스

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US12473136B2 (en) 2023-12-22 2025-11-18 Insight 2 Design, Llc Insulated device

Also Published As

Publication number Publication date
EP4509428A1 (de) 2025-02-19
EP4509428A4 (de) 2025-07-09
CN118613429A (zh) 2024-09-06
US20250376316A1 (en) 2025-12-11
KR102531641B1 (ko) 2023-05-11

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