Vacuum insulation body and refrigerator

Abstract

A vacuum adiabatic body according to the present embodiment can include a first plate, a second plate, a seal configured to seal the first plate and the second plate to provide a vacuum space, and a support configured to maintain the vacuum space. Optionally, the support can include a first support having a first support plate formed in a mesh shape; and a plurality of spacer coupling portions protruding from the first support plate. Optionally, the support can include a second support having a second support plate formed in a mesh shape; and a plurality of spacers protruding from the second support plate and coupled with each of the plurality of spacer coupling portions to form a plurality of bars together with the plurality of spacer coupling portions. Optionally, the support can include a radiation resistant sheet supported by a portion of the plurality of bars and spaced apart from at least one of the first support plate and the second support plate. Alternatively, each of the support plates can include a plurality of through-holes. Optionally, a distribution structure produced after injection molding of the first support and the second support can be disposed in some of the plurality of through-holes.

Description

Technical Field

[0001] This disclosure relates to vacuum insulation and refrigerators. Background Technology

[0002] Thermal insulation performance can be improved by constructing an insulating wall with a vacuum. A device in which at least a portion of the internal space is made up of a vacuum and is formed to achieve an insulating effect can be called a vacuum insulator.

[0003] The applicant has developed a technology for obtaining a vacuum insulation material that can be used in various devices and household appliances, and disclosed a refrigerator with a vacuum space in Korean application No. 10-2011-0113413 (Publication No. 10-2013-0048527).

[0004] The refrigerator includes a body having a storage space therein capable of accommodating predetermined stored items, wherein the body includes: an inner shell forming the storage space; an outer shell housing the inner shell and disposed at a predetermined gap from the inner shell; a vacuum space disposed between the inner shell and the outer shell, the interior of the vacuum space being sealed and maintained in a vacuum state to perform an adiabatic action between the inner shell and the outer shell; a first support plate disposed on one of the surfaces of the inner shell and the outer shell facing each other; and a plurality of spacers fixedly disposed on the first support plate and supported to maintain the gap between the inner shell and the outer shell.

[0005] The body also includes a second support plate, which is disposed on another surface of the inner shell and the outer shell facing each other and is positioned to face the first support plate.

[0006] The second support plate includes a plurality of grooves formed such that the end portions of a plurality of spacers are inserted into its inner surface.

[0007] In the existing literature, the first support plate only includes spacers of the same shape, and no specific technology for reducing heat transfer between the support plates is disclosed.

[0008] Furthermore, the existing document only discloses that the first support plate includes multiple spacers, but does not disclose the technique for uniformly forming each of the multiple spacers in the first support plate. Summary of the Invention

[0009] Technical issues

[0010] This embodiment provides a vacuum insulation body and a refrigerator, wherein some of the multiple rods of the support are prevented from being unmolded.

[0011] Optionally or additionally, this embodiment provides a vacuum insulation and refrigerator that can be injection molded into a desired shape in the form of a plurality of rods of a support member.

[0012] In addition to the examples described above, this disclosure proposes specific solutions and means in the "Technical Solution" and "Detailed Implementation" sections.

[0013] Technical solution

[0014] According to one aspect, a vacuum insulation body may include a first plate, a second plate, and a seal configured to seal the first and second plates to provide a vacuum space. Optionally, the vacuum insulation body may include a support configured to maintain a vacuum space.

[0015] Optionally, the support member may include a first support member having: a first support plate formed in a grid pattern; and a plurality of spacer connecting portions protruding from the first support plate. Optionally, the support member may include a second support member having: a second support plate formed in a grid pattern; and a plurality of spacers protruding from the second support plate and connected to each of the plurality of spacer connecting portions to form a plurality of rods together with the plurality of spacer connecting portions. Optionally, the support member may include a radiation-shielding sheet supported by a portion of the plurality of rods and spaced apart from at least one of the first and second support plates.

[0016] Optionally, each support plate may include multiple through holes. Optionally, the distribution structure formed after injection molding the first and second supports may be disposed within some of the multiple through holes in each support plate. Optionally, at least a portion of the distribution structure may be removable from the supports.

[0017] Optionally, a through-hole may be defined by a pair of first extensions and a pair of second extensions. Optionally, the distribution structure may include a support distribution portion located in the through-hole. Optionally, the distribution structure may include a support bridge configured to extend radially from the support distribution portion and connected to at least one of the pair of first extensions and the pair of second extensions.

[0018] Optionally, the support distribution portion can be formed in a disc shape. Optionally, the distribution structure can include multiple support bridges arranged at equal intervals.

[0019] Optionally, the distribution structure may include multiple support bridges arranged symmetrically with respect to the support distribution portion.

[0020] Optionally, the thickness of the support bridge can be the same as or thinner than the thickness of each support plate.

[0021] Optionally, the thickness of at least a portion of the support bridge may decrease toward the extension to which the support bridge is connected. Alternatively, the width of the support bridge may be greater than the diameter of the spacer.

[0022] Optionally, the distribution structure may further include a support storage portion protruding from the support distribution portion. Optionally, the diameter of the support storage portion may be smaller than the distance between two adjacent rods. Optionally, the support storage portion may be cylindrical or truncated conical. Optionally, the diameter of the support storage portion may be smaller than the diameter of the support distribution portion. Optionally, the diameter of the support storage portion may be larger than the diameter of each of the plurality of rods.

[0023] Optionally, at least a portion of the support distribution portion may include a support gate. Alternatively, the vacuum insulation may also include a support gate configured to protrude from the support distribution portion. Optionally, the diameter of the support gate may be larger than the diameter of each of the plurality of bars. Optionally, the diameter of the support gate may decrease with increasing distance from the support distribution portion.

[0024] Optionally, the extension direction of the support gate in the second support member may be opposite to the extension direction of the spacer. Optionally, the extension direction of the support gate in the second support member may be the same as the extension direction of the spacer, and the length of the support gate is shorter than the length of the spacer.

[0025] Optionally, when multiple distribution structures are set, multiple adjacent distribution structures are formed within 10 pitches, where one pitch refers to the distance between two adjacent rods.

[0026] Optionally, the refrigerator in this embodiment may include the vacuum insulation described above.

[0027] Beneficial effects

[0028] According to this embodiment, since the distribution structure is located in the through hole, the injection liquid is evenly distributed into the mold during the injection molding process of the support, thereby preventing some of the rods from not being formed.

[0029] According to this embodiment, since the distribution structure is located in the through hole, the injected liquid is distributed in multiple directions through the bridge, thereby enabling the multiple rods to be injection molded into the desired shape. Attached Figure Description

[0030] Figure 1 This is a perspective view of a refrigerator according to one embodiment;

[0031] Figure 2This is a schematic view showing the vacuum insulation for the door and body of the refrigerator;

[0032] Figure 3 This is a view illustrating one embodiment of a support member used to maintain a vacuum space;

[0033] Figure 4 This is a view used to explain an embodiment of a vacuum insulation body centered on a heat transfer resistor;

[0034] Figure 5 It is a graph used to observe the process of vacuuming inside a vacuum insulation body with time and pressure when a support is used;

[0035] Figure 6 It is a graph comparing vacuum pressure and gas conductivity.

[0036] Figure 7 These are views illustrating various embodiments of a vacuum space;

[0037] Figure 8 This is a view used to explain the additional insulation;

[0038] Figure 9 It is a view used to explain the heat transfer path between the first and second plates, which have different temperatures;

[0039] Figure 10 This is a view used to explain the branching sections of the heat transfer path between the first and second plates, which have different temperatures;

[0040] Figure 11 This is a view used to explain the method of manufacturing vacuum insulation;

[0041] Figure 12 This is a perspective view showing a support member according to another embodiment;

[0042] Figure 13 It is shown Figure 12 An exploded perspective view of the support components;

[0043] Figure 14 It is a cross-sectional view showing the connection state of the first support member and the second support member;

[0044] Figure 15 It is shown Figure 14 A magnified view of part A;

[0045] Figure 16 It is shown Figure 14 A magnified view of part B;

[0046] Figure 17It is shown Figure 14 A magnified view of part C;

[0047] Figure 18 It is shown Figure 14 A magnified view of part D;

[0048] Figure 19 This is a view showing the distribution structure disposed in the second support member of the injection molding process;

[0049] Figure 20 This is a plan view showing the second support member;

[0050] Figure 21 It is along Figure 20 The view intercepted by line 21-21;

[0051] Figure 22 It is along Figure 20 The view intercepted by line 22-22;

[0052] Figure 23 This is a view showing the distribution structure of the second support member according to another embodiment;

[0053] Figure 24 It is along Figure 23 A cross-sectional view taken from line 24-24;

[0054] Figure 25 This is a view showing the distribution structure of the second support member according to another embodiment;

[0055] Figure 26 It is along Figure 25 A cross-sectional view taken from line 26-26;

[0056] Figure 27 This is a view showing the distribution structure of the second support member according to another embodiment;

[0057] Figure 28 This is a view showing the distribution structure of the second support member according to another embodiment;

[0058] Figure 29 This is a view showing the support gate in the distribution structure with the first and second supports connected; and

[0059] Figure 30 This is a view showing another example of a gate in a distribution structure with the first and second supports connected. Detailed Implementation

[0060] Specific embodiments will be described in detail below with reference to the accompanying drawings. However, the invention can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Those skilled in the art who understand the spirit of the invention can readily implement other embodiments included within the same conceptual scope by adding, changing, deleting, and adding components; it should be understood that these are also included within the scope of the invention. The invention can have many embodiments implementing this idea, and in each embodiment, any part can be replaced by a corresponding part according to another embodiment or a part having a related function. The invention can be any of the examples shown below, or a combination of two or more examples.

[0061] This disclosure relates to a vacuum insulation body comprising: a first plate; a second plate; a vacuum space defined between the first plate and the second plate; and a sealing member providing a vacuum space in a vacuum state. The vacuum space may be a vacuum-state space within an internal space disposed between the first plate and the second plate. The sealing member may seal the first plate and the second plate to provide an internal space in a vacuum state. The vacuum insulation body may optionally include a side plate connecting the first plate and the second plate. In this disclosure, the term "plate" may refer to a side plate or at least one of the first and second plates. The side plate and at least a portion of the first and second plates may be integrally disposed, or at least multiple portions may be sealed to each other. Optionally, the vacuum insulation body may include a support member for maintaining the vacuum space. The vacuum insulation body may optionally include a thermal insulator that reduces heat transfer between a first space disposed near the first plate and a second space disposed near the second plate, or reduces heat transfer between the first plate and the second plate. Optionally, the vacuum insulation body may include component connection portions disposed on at least a portion of the plates. Optionally, the vacuum insulation body may include another insulation body. The other insulation body may be configured to be connected to the vacuum insulation body. The other insulating material can be an insulating material with a vacuum degree, which may be equal to or different from the vacuum degree of the vacuum insulating material. The other insulating material can be an insulating material that does not include a vacuum degree smaller than that of the vacuum insulating material, or a portion thereof that is in a vacuum state. In this case, it may be advantageous to connect another object to the other insulating material.

[0062] In this disclosure, the direction along the wall defining the vacuum space can include the longitudinal direction of the vacuum space and the height direction of the vacuum space. The height direction of the vacuum space can be defined as any one of a plurality of virtual lines (described later) connecting the first space to the second space while passing through the vacuum space. The longitudinal direction of the vacuum space can be defined as a direction perpendicular to the defined height direction of the vacuum space. In this disclosure, connecting object A to object B means that at least a portion of object A and at least a portion of object B are directly connected to each other, or that at least a portion of object A and at least a portion of object B are connected to each other by an intermedium between object A and object B. The intermedium can be disposed on at least one of object A or object B. The connection can include object A being connected to the intermedium, and the intermedium being connected to object B. A portion of the intermedium can include a portion connected to either object A or object B. Another portion of the intermedium can include a portion connected to the other of object A and object B. As a modified example, the connection from object A to object B can include object A and object B being integrally prepared in a shape to be connected in the manner described above. In this disclosure, embodiments of the connection can be supports, joints, or seals, which will be described later. In this disclosure, "object A is supported by object B" means that the movement of object A is restricted by object B in one or more of the following directions: +X-axis, -X-axis, +Y-axis, -Y-axis, +Z-axis, and -Z-axis. In this invention, the support can be an assembly or a seal, which will be described later. In this invention, "assembly" of object A and object B can be defined as the movement of object A being restricted by object B in one or more of the following directions: X-axis, Y-axis, and Z-axis. In this disclosure, an embodiment of the assembly can be a seal, which will be described later. In this disclosure, "sealed" object A to object B can be defined as a state where fluid movement is not permitted at the junction of object A and object B. In this disclosure, one or more objects, i.e., at least a portion of object A and object B, can be defined as including a portion of object A, the entirety of object A, a portion of object B, the entirety of object B, a portion of object A and a portion of object B, a portion of object A and the entirety of object B, the entirety of object A and a portion of object B, and the entirety of object A and the entirety of object B. In this disclosure, plate A can be defined as a wall defining space A, where at least a portion of plate A is a wall defining at least a portion of space A. That is, at least a portion of plate A can be a wall forming space A, or plate A can be a wall forming at least a portion of space A. In this disclosure, the central portion of an object can be defined as the central portion of the three divided portions when the object is divided into three segments based on the object's longitudinal direction. The periphery of the object can be defined as the portion located to the left or right of the central portion among the three divided portions.The periphery of an object may include a surface in contact with a central portion and a surface opposite to that surface. The opposite side may be defined as a boundary or edge of the object. Examples of objects may include vacuum insulation, plates, thermal resistors, supports, vacuum spaces, and various components described in this disclosure. In this disclosure, the degree of heat transfer resistance can represent the degree to which an object impedes heat transfer and can be defined as a value determined by the object's shape, material, and manufacturing method, including its thickness. The degree of heat transfer resistance can be defined as the sum of the degree to which conduction is impeded, the degree to which radiation is impeded, and the degree to which convection is impeded. A vacuum insulation according to this disclosure may include a heat transfer path defined between spaces having different temperatures, or a heat transfer path defined between plates having different temperatures. For example, a vacuum insulation according to this disclosure may include a heat transfer path through which cold air is transferred from a low-temperature plate to a high-temperature plate. In this disclosure, when a curved portion includes a first portion extending along a first direction and a second portion extending along a second direction different from the first direction, the curved portion can be defined as the portion connecting the first portion to the second portion (including 90 degrees).

[0063] In this disclosure, the vacuum insulation may optionally include component connection portions. A component connection portion can be defined as a portion disposed on a plate and interconnected with components. A component connected to the plate can be defined as a penetrating portion, which is configured to pass through at least a portion of the plate and a surface component configured to connect to at least a portion of the surface of the plate. At least one penetrating component or surface component may be connected to the component connection portion. A penetrating component may be a component defining a path through which a fluid (electricity, refrigerant, water, air, etc.) primarily passes. In this disclosure, fluid is defined as any kind of flowing substance. Fluids include moving solids, liquids, gases, and electricity. For example, the component may be a component defining a path through which a refrigerant for heat exchange passes, such as a suction line heat exchanger (SLHX) or refrigerant line. The component may be an electrical wire supplying power to the device. As another example, the component may be a component defining a path through which air passes, such as a cold air duct, a hot air duct, and an exhaust port. As another example, the component may be a path through which a fluid such as coolant, hot water, ice, and defrost water passes. Surface components may include at least one of the following: peripheral insulation, side panels, injection foam, precast resin, hinges, latches, baskets, drawers, shelves, lights, sensors, evaporators, front trim, heat pipes, heaters, outer covers, or another insulation.

[0064] As an example of applying a vacuum insulation material, this disclosure may include devices having a vacuum insulation material. Examples of devices may include appliances. Examples of appliances may include household appliances, such as refrigerators, cooking appliances, washing machines, dishwashers, and air conditioners. As an example of applying a vacuum insulation material to a device, the vacuum insulation material may construct at least a portion of the device's door and body. As an example of a door, the vacuum insulation material may construct at least a portion of a general door and a door-in-door (DID) that directly contacts the body. Here, a door-in-door may refer to a small door placed inside a general door. As another example of applying a vacuum insulation material, this disclosure may include walls having a vacuum insulation material. Examples of walls may include the walls of a building, which include windows.

[0065] The present disclosure will now be described in detail with reference to the accompanying drawings. The accompanying drawings may represent different, exaggerated, or simplified versions of actual articles, and detailed components may be represented by simplified features. Embodiments should not be construed as limited to the dimensions, structures, and shapes shown in the drawings. In the embodiments accompanied by the drawings, unless the descriptions conflict with each other, some constructions in the drawings of one embodiment may be applied to some constructions in the drawings of another embodiment, and some structures in one embodiment may be applied to some structures in another embodiment. In the description of the drawings of the embodiments, the same reference numerals may be assigned to different drawings as reference numerals for specific components constituting the embodiments. Components having the same reference numerals may perform the same function. For example, in all embodiments, the first plate constituting the vacuum insulation body has a portion corresponding to the first space and is indicated by reference numeral 10. For all embodiments, the first plate may have the same number and may have a portion corresponding to the first space, but in each embodiment, the shape of the first plate may be different. Not only the first plate, but also the side plates, the second plate, and another insulation body can be understood in the same way.

[0066] Figure 1 This is a perspective view of a refrigerator according to one embodiment, and Figure 2 This is a perspective view showing the vacuum insulation used for the refrigerator door and body. (Reference) Figure 1Refrigerator 1 includes: a main body 2, having a cavity 9 for storing items; and a door 3 configured to open and close the main body 2. The door 3 can be rotatably or slidably configured to open or close the cavity 9. The cavity 9 can provide at least one of a refrigerator compartment and a freezer compartment. A cold source can be provided to cool the cavity. For example, the cold source can be an evaporator 7 that evaporates refrigerant to remove heat. The evaporator 7 can be connected to a compressor 4 that compresses the evaporated refrigerant to the cold source. The evaporator 7 can be connected to a condenser 5 that condenses the compressed refrigerant to the cold source. The evaporator 7 can be connected to an expander 6 that expands the refrigerant condensed in the cold source. Fans corresponding to the evaporator and condenser can be provided to facilitate heat exchange. As another example, the cold source can be the heat-absorbing surface of a thermoelectric element. A heat absorption sink can be connected to the heat-absorbing surface of the thermoelectric element. A heat sink can be connected to the heat-radiating surface of the thermoelectric element. Fans corresponding to the heat-absorbing surface and the heat-generating surface can be provided to facilitate heat exchange.

[0067] refer to Figure 2 Plates 10, 15, and 20 may be walls defining a vacuum space. A plate may be a wall separating the vacuum space from an external space. Examples of plates are shown below. This disclosure may be any one of the following examples, or a combination of two or more examples.

[0068] The plate can be configured as a single section, or as comprising at least two interconnected sections. As a first example, the plate may comprise at least two interconnected sections along a direction defining a wall of a vacuum space. Either of these sections may comprise the section defining the vacuum space (e.g., the first section). The first section may be a single section, or may comprise at least two mutually sealed sections. The other of these sections may comprise a section extending from the first section of the first plate in a direction away from the vacuum space or in a direction inward of the vacuum space (e.g., the second section). As a second example, the plate may comprise at least two layers interconnected in the thickness direction of the plate. Either of these layers may comprise a layer defining a vacuum space (e.g., the first section). The other of these layers may comprise a section disposed in an external space of the vacuum space (e.g., the first space and the second space) (e.g., the second section). In this case, the second section may be defined as an outer cover of the plate. The other of these layers may comprise a section disposed in the vacuum space (e.g., the second section). In this case, the second section may be defined as an inner cover of the plate.

[0069] The plate may include a first plate 10 and a second plate 20. One surface of the first plate (the inner surface of the first plate) provides a wall defining a vacuum space, and another surface of the first plate (the outer surface of the first plate) provides a wall defining a first space. The first space may be a space located near the first plate, a space defined by the device, or an internal space of the device. In this case, the first plate may be referred to as an inner shell. When the first plate and additional members define an internal space, the first plate and additional members may be referred to as an inner shell. The inner shell may include two or more layers. In this case, one of the multiple layers may be referred to as an inner panel. One surface of the second plate (the inner surface of the second plate) provides a wall defining a vacuum space, and another surface of the second plate (the outer surface of the second plate) provides a wall defining a second space. The second space may be a space located near the second plate, another space defined by the device, or an external space of the device. In this case, the second plate may be referred to as an outer shell. When the second plate and additional members define an external space, the second plate and additional members may be referred to as an outer shell. The outer shell may include two or more layers. In this case, one of the multiple layers may be referred to as an outer panel. The second space may be a space having a temperature higher than that of the first space, or a space having a temperature lower than that of the first space. Optionally, the panel may include side panels 15. Figure 2 Depending on the arrangement of the side plate, it can also perform the function of the anti-conductive sheet 60, which will be described later. The side plate may include a portion extending in the height direction of the space defined between the first and second plates, or a portion extending in the height direction of the vacuum space. One surface of the side plate may provide a wall defining the vacuum space, and another surface of the side plate may provide a wall defining an external space defining the vacuum space. The external space of the vacuum space may be a space in which another insulation body, which will be described later, is disposed, or at least one of the first or second spaces. The side plate can be integrally arranged by extending at least one of the first or second plates, either as a separate component connected to or extending from the first or second plate.

[0070] The plate may optionally include a curved portion. In this disclosure, a plate including a curved portion may be referred to as a bent plate. The curved portion may include at least one of the first plate, the second plate, and the side plate, between the first plate and the second plate, between the first plate and the side plate, or between the second plate and the side plate. The plate may include at least one of a first curved portion or a second curved portion, as exemplified below. First, the side plate may include a first curved portion. A portion of the first curved portion may include a portion connected to the first plate. Another portion of the first curved portion may include a portion connected to the second curved portion. In this case, the radius of curvature of each of the first and second curved portions may be large. The other portion of the first curved portion may be connected to an additional straight portion or an additional curved portion disposed between the first and second curved portions. In this case, the radius of curvature of each of the first and second curved portions may be small. Second, the side plate may include a second curved portion. A portion of the second curved portion may include a portion connected to the second plate. Another portion of the second curved portion may include a portion connected to the first curved portion. In this case, the radius of curvature of each of the first and second curved portions may be large. Another portion of the second curved portion may be connected to an additional straight portion or an additional curved portion disposed between the first curved portion and the second curved portion. In this case, the radius of curvature of each of the first and second curved portions may be small. Here, a straight portion may be defined as a portion having a radius of curvature larger than that of the curved portion. A straight portion may be understood as a portion having a perfect plane or having a radius of curvature larger than that of the curved portion. Third, the first plate may include the first curved portion. A portion of the first curved portion may include a portion connected to a side plate. The portion connected to the side plate may be disposed remotely from the second plate, at a portion of the first plate extending in the longitudinal direction of the vacuum space. Fourth, the second plate may include the second curved portion. A portion of the second curved portion may include a portion connected to a side plate. The portion connected to the side plate may be disposed remotely from the first plate, at a portion of the second plate extending in the longitudinal direction of the vacuum space. This disclosure may include any of the first and second examples described above in combination with any of the third and fourth examples described above.

[0071] In this disclosure, vacuum space 50 can be defined as a third space. Vacuum space can be a space in which vacuum pressure is maintained. In this disclosure, the statement that the vacuum degree of A is higher than that of B means that the vacuum pressure of A is lower than that of B.

[0072] In this disclosure, seal 61 may be a portion disposed between the first plate and the second plate. Examples of seals are as follows. This disclosure may be any one of the following examples, or a combination of two or more examples. A seal may include fusion welding for joining multiple objects by melting at least a portion thereof. For example, the first and second plates may be welded by laser welding without a molten adhesive (such as filler metal) between them; a portion of the first and second plates and a portion of the component connection may be welded by high-frequency brazing, or the multiple objects may be welded by molten adhesive that generates heat. A seal may include pressure welding for joining multiple objects by applying mechanical pressure to at least a portion thereof. For example, as a component connected to a component connection, an object made of a material having less resistance to deformation than the plate may be pressure welded by a method such as pinch-off.

[0073] The machine room 8 may optionally be located outside the vacuum insulation. The machine room can be defined as a space housing components connected to a cold source. Optionally, the vacuum insulation may include a port 40. The port may be located on either side of the vacuum insulation to vent air from the vacuum space 50. Optionally, the vacuum insulation may include a conduit 64 passing through the vacuum space 50 for mounting components connected to the first and second spaces.

[0074] Figure 3 This is a view illustrating an example of a support member for maintaining a vacuum space. An example of such a support member is shown below. This disclosure may be any one of the following examples, or a combination of two or more examples.

[0075] Supports 30, 31, 33, and 35 may be configured to support at least a portion of the thermal resistor and plate (described later), thereby reducing deformation of the vacuum space 50, the plate, and at least some of the thermal resistor (described later) due to external forces. External forces may include at least one of vacuum pressure or external forces other than vacuum pressure. When deformation occurs in the direction of lower height of the vacuum space, the supports may reduce an increase in at least one of radiative heat conduction, gas heat conduction, surface heat conduction, or support heat conduction, which will be described later. Supports may be objects configured to maintain a gap between the first and second plates, or objects configured to support the thermal resistor. The degree of resistance to deformation of the supports may be greater than that of the plates, or the supports may be provided to portions of a vacuum insulation structure, equipment having a vacuum insulation structure, and walls having a vacuum insulation structure that have a weak degree of resistance to deformation. According to one embodiment, the degree of resistance to deformation represents the extent to which an object resists deformation caused by an external force applied to the object, and is a value determined by the object's shape, including its thickness, the material of the object, the method of processing the object, etc. Examples of portions with weak resistance to deformation include the vicinity of a curved portion defined by a plate, at least a portion of a curved portion, the vicinity of an opening defined in the device body provided by a plate, or at least a portion of an opening. Supports may be configured to at least surround an opening or at least a portion of a curved portion, or may be configured to correspond to the shape of an opening or a curved portion. However, it is not excluded that supports may be provided in other portions. An opening may be understood as part of the device, including the body and a door capable of opening or closing the opening defined in the body.

[0076] Examples of support members configured to support the plate are as follows: First, at least a portion of the support member may be disposed within a space defined inside the plate. The plate may include portions having multiple layers, and the support member may be disposed between the multiple layers. Optionally, the support member may be configured to connect to at least a portion of the multiple layers, or to support at least a portion of the multiple layers. Second, at least a portion of the support member may be configured to connect to a surface defined on the outer side of the plate. The support member may be disposed in a vacuum space or in a space outside a vacuum space. For example, the plate may include multiple layers, and the support member may be disposed on any of the multiple layers. Optionally, the support member may be configured to support another layer among the multiple layers. For example, the plate may include multiple portions extending in a longitudinal direction, and the support member may be disposed on any of the multiple portions. Optionally, the support member may be configured to support another portion among the multiple portions. As yet another example, the support member may be disposed as a separate component from the plate in a vacuum space or in a space outside a vacuum space. Optionally, the support member may be configured to support at least a portion of a surface defined on the outer side of the plate. Optionally, the support member can be configured to support one surface of the first plate and one surface of the second plate, and the one surface of the first plate and the one surface of the second plate can be configured to face each other. Thirdly, the support member can be configured to be integral with the plate. An alternative example of the support member being configured to support the plate is, as can be understood, an example of the support member being configured to support a thermal resistor. Repeated descriptions will be omitted.

[0077] Examples of supports designed to reduce heat transfer through the support are as follows. First, at least a portion of a component located near the support may be configured not to contact the support, or may be located in an empty space provided by the support. Examples of components include components or tubes connected to a thermal resistor (described later), exhaust ports, intake ports, components or tubes passing through a vacuum space, or components or tubes at least partially located in a vacuum space. Examples of empty spaces may include empty spaces located within the support, empty spaces located between multiple supports, and empty spaces located between the support and independent components distinct from the support. Optionally, at least a portion of the component may be located within a through-hole defined in the support, between multiple rods, between multiple connecting plates, or between multiple support plates. Optionally, at least a portion of the component may be located in a space between multiple rods, in a space between multiple connecting plates, or in a space between multiple support plates. Second, an insulating material may be located on or near at least a portion of the support. The insulating material may be configured to contact the support or not to contact the support. The insulation can be disposed at the portion where the support and the plate contact each other. The insulation can be disposed on at least a portion of one surface and another surface of the support, or configured to cover at least a portion of one surface and another surface of the support. The insulation can be disposed on at least a portion of the periphery of one surface and another surface of the support, or configured to cover at least a portion of the periphery of one surface and another surface of the support. The support can include multiple rods, and the insulation can be disposed in the region from a point on any one of the rods to the midpoint between that rod and the surrounding rods. Third, when cold is transferred through the support, the heat source can be disposed at the location where the thermal insulation described in the second example is disposed. When the temperature of the first space is lower than the temperature of the second space, the heat source can be disposed on or near the second plate. When heat is transferred through the support, the cold source can be disposed at the location where the thermal insulation described in the second example is disposed. When the temperature of the first space is higher than the temperature of the second space, the cold source can be disposed on or near the second plate. As a fourth example, the support may include a portion having a higher thermal resistance than that of a metal, or a portion having a higher thermal resistance than that of a plate. The support may also include a portion having a lower thermal resistance than that of another insulation. The support may include at least one of a non-metallic material, PPS and glass fiber (GF), low-outgassing PC, PPS, or LCP. This is done to achieve high compressive strength, low outgassing and water absorption, low thermal conductivity, high compressive strength at high temperatures, and excellent processability.

[0078] Examples of support members may be rods 30 and 31, connecting plate 35, support plate 35, porous material 33, and filler 33. In this embodiment, the support member may include any one of the above examples or an example combining at least two examples. As a first example, the support member may include rods 30 and 31. The rod may include a portion extending in the direction in which the first plate and the second plate are connected to each other to support the gap between the first plate and the second plate. The rod may include a portion extending in the height direction of the vacuum space and a portion extending in a direction substantially perpendicular to the extension direction of the plate. The rod may be configured to support only one of the first plate and the second plate, or it may be configured to support both the first plate and the second plate. For example, one surface of the rod may be configured to support a portion of the plate, and another surface of the rod may be configured not to contact another portion of the plate. As another example, one surface of the rod may be configured to support at least a portion of the plate, and another surface of the rod may be configured to support another portion of the plate. The support member may include rods having empty spaces therein, or may include multiple rods and empty spaces are provided between the multiple rods. Furthermore, the support member may include rods, and the rods may be configured to provide empty spaces between the rods and separate components distinct from the rods. The support member may optionally include a connecting plate 35, which includes a portion connected to a rod or a portion connecting multiple rods to each other. The connecting plate may include a portion extending in the longitudinal direction of the vacuum space or a portion extending in the direction in which the plate extends. The cross-sectional area of ​​the XZ plane of the connecting plate may be larger than the cross-sectional area of ​​the XZ plane of the rod. The connecting plate may be disposed on at least one of one surface and another surface of the rod, or may be disposed between one surface and another surface of the rod. At least one of one surface and another surface of the rod may be the surface on which the rod supports the plate. The shape of the connecting plate is not limited. The support member may include a connecting plate having an empty space therein, or may include multiple connecting plates and an empty space provided between the multiple connecting plates. Furthermore, the support member may include a connecting plate, and the connecting plate may be configured to provide an empty space between the connecting plate and a separate component distinct from the connecting plate. As a second example, the support member may include a support plate 35. The support plate may include a portion extending in the longitudinal direction of the vacuum space or a portion extending in the direction in which the plate extends. The support plate may be configured to support only one of the first plate and the second plate, or may be configured to support both the first plate and the second plate. For example, one surface of the support plate may be configured to support a portion of the plate, and the other surface of the support plate may be configured not to contact another portion of the plate. As another example, one surface of the support plate may be configured to support at least a portion of the plate, and the other surface of the support plate may be configured to support another portion of the plate. The cross-sectional shape of the support plate is not limited. The support member may include a support plate having empty spaces therein, or may include multiple support plates with empty spaces provided between the multiple support plates.Furthermore, the support member may include a support plate, which may be configured to provide an empty space between the support plate and a separate component distinct from the support plate. As a third example, the support member may include a porous material 33 or a filler 33. The interior of the vacuum space may be supported by the porous material or the filler. The interior of the vacuum space may be completely filled with the porous material or the filler. The support member may include multiple porous materials or multiple fillers, which may be configured to contact each other. When the empty space is located inside the porous material, between multiple porous materials, or between the porous material and a separate component distinct from the porous material, the porous material may be understood to include any of the aforementioned rods, connecting plates, and support plates. When the empty space is located inside the filler, between multiple fillers, or between the filler and a separate component distinct from the filler, the filler may be understood to include any of the aforementioned rods, connecting plates, and support plates. The support member according to this disclosure may include any one of the above examples or an example combining two or more examples.

[0079] refer to Figure 3 a. As one embodiment, the support member may include a rod 31, a connecting plate, and a support plate 35. The connecting plate and the support plate may be designed separately. (See reference...) Figure 3 b. As one embodiment, the support may include a rod 31, a connecting plate and a support plate 35, and a porous material 33 filled in a vacuum space. The porous material 33 may have a higher emissivity than stainless steel, the material of the plate, but due to the filling of the vacuum space, the resistance efficiency of radiative heat transfer is high. The porous material can also be used as a thermal resistor, as will be described later. More preferably, the porous material can perform the function of a radiation-resistant sheet, as will be described later. Reference Figure 3 c. As one embodiment, the support may include a porous material 33 or a filler 33. The porous material 33 and the filler may be disposed in a compressed state to maintain the gap between the vacuum spaces. A membrane 34, for example, PE material, may be provided in a perforated state. The porous material 33 or the filler may perform both the function of a thermal resistor and the function of a support, which will be described later. More preferably, the porous material may perform both the function of a support and the function of a radiation shield, which will be described later.

[0080] Figure 4 These are examples used to explain vacuum insulation bodies based on thermal resistors 32, 33, 60, and 63 (e.g., thermal insulators and thermal resistors). Vacuum insulation bodies according to this disclosure may optionally include thermal resistors. An example of a thermal resistor is given below. This disclosure may be any one of the following examples, or a combination of two or more examples.

[0081] Thermal resistors 32, 33, 60, and 63 can be objects that reduce heat transfer between the first space and the second space, or objects that reduce heat transfer between the first plate and the second plate. The thermal resistors can be disposed on a heat transfer path defined between the first space and the second space, or on a heat transfer path formed between the first plate and the second plate. The thermal resistors can include portions extending along the wall defining the vacuum space or portions extending in the direction of plate extension. Optionally, the thermal resistors can include portions extending from the plates in a direction away from the vacuum space. The thermal resistors can be disposed on at least a portion of the periphery of the first plate or the periphery of the second plate, or on at least a portion of the edge of the first plate or the edge of the second plate. The thermal resistors can be disposed at the portion defining a through-hole, or as a tube connected to the through-hole. A separate tube or separate component, distinct from the tube, can be disposed within the tube. The thermal resistors can include portions having a thermal resistance greater than that of the plate. In this case, the insulation performance of the vacuum insulation body can be further improved. A protective cover 62 can be disposed outside the thermal resistors for isolation. The interior of the thermal resistors can be isolated by the vacuum space. The shield can be a porous material or filler that contacts the interior of the thermal resistor. The shield can also be an insulating structure, such as a separate gasket placed outside the interior of the thermal resistor. The thermal resistor can be a wall defining a third space.

[0082] The example of a thermal resistor connected to a plate can be understood as replacing the support member in an example where the support member is used to support the plate. Repeated descriptions will be omitted. Similarly, the example of a thermal resistor connected to a support member can be understood as replacing the plate in an example where the thermal resistor is connected to a plate. Repeated descriptions will be omitted. The example of reducing heat transfer via a support member can be replaced with an example of reducing heat transfer via a heat transfer medium; therefore, the same description will be omitted.

[0083] In this disclosure, the thermal resistor may be one of a radiation-damping sheet 32, a porous material 33, a filler 33, and a conduction-damping sheet. In this disclosure, the thermal resistor may include a combination of at least two of the radiation-damping sheet 32, the porous material 33, the filler 33, and the conduction-damping sheet. As a first example, the thermal resistor may include a radiation-damping sheet 32. The radiation-damping sheet may include a portion having a thermal resistance greater than that of the plate, and the thermal resistance may be the degree of obstruction of heat transfer by radiation. A support member may together perform the function of the radiation-damping sheet. The conduction-damping sheets, which will be described later, may together perform the function of the radiation-damping sheet. As a second example, the thermal resistor may include conduction-damping sheets 60 and 63. The conduction-damping sheets may include a portion having a thermal resistance greater than that of the plate, and the thermal resistance may be the degree of obstruction of heat transfer by conduction. For example, the conduction-damping sheet may have a thickness smaller than the thickness of at least a portion of the plate. As another example, the conduction-damping sheet may include one end and another end, and the length of the conduction-damping sheet may be greater than the straight-line distance connecting one end of the conduction-damping sheet to the other end. As another example, an anti-conductive sheet may include a material having a heat transfer barrier greater than that of a conductive plate. As another example, a thermal resistor may include a portion having a radius of curvature smaller than that of the plate.

[0084] refer to Figure 4 a. For example, an anti-conductive sheet can be placed on the side plate connecting the first plate to the second plate. (See reference) Figure 4 b. For example, the anti-conduction plate 60 may be disposed on at least a portion of the first and second plates. The connecting frame 70 may be further disposed outside the anti-conduction plate. The connecting frame may be a portion extending therefrom of the first or second plate, or a portion extending therefrom of a side plate. Optionally, the connecting frame 70 may include portions where components for sealing the door and body and components disposed outside the vacuum space (such as exhaust ports and intake ports required for the exhaust process) are interconnected. Reference Figure 4c. For example, an anti-conductivity plate can be disposed on a side plate connecting the first plate and the second plate. The anti-conductivity plate can be installed in a through-hole passing through the vacuum space. The conduit 64 can be disposed separately outside the anti-conductivity plate. The anti-conductivity plate can be configured in a corrugated shape. In this way, the heat transfer path can be lengthened, and deformation due to pressure difference can be prevented. A separate shielding member for isolating the anti-conductivity plate 63 can also be provided. The anti-conductivity plate may include a portion having a deformation resistance less than that of at least one of the plate, the radiation-resistant plate, or the support member. The radiation-resistant plate may include a portion having a deformation resistance less than that of at least one of the plate or the support member. The plate may include a portion having a deformation resistance less than that of the support member. The anti-conductivity plate may include a portion having a conductive thermal resistance greater than that of at least one of the plate, the radiation-resistant plate, or the support member. The radiation-resistant plate may include a portion having a radiation thermal resistance greater than that of at least one of the plate, the anti-conductivity plate, or the support member. The support member may include a portion having a thermal resistance greater than that of the plate. For example, at least one of the plate, the anti-conduction sheet, or the connecting frame may be made of stainless steel, the radiation-resistant sheet may be made of aluminum, and the support may be made of resin.

[0085] Figure 5 This is a graph used to observe the venting process versus time and pressure inside a vacuum insulation body when a support is used. An example of the vacuum venting process of a vacuum insulation body is shown below. This disclosure may be any one of the following examples, or a combination of two or more examples.

[0086] While the venting process is being performed, a release process can be performed, which is the process of releasing gases from the vacuum space or the process of releasing latent gases remaining in the components of the vacuum insulation. As an example of a release process, the venting process may include at least one of the following: heating or drying the vacuum insulation, applying vacuum pressure to the vacuum insulation, or providing a getter to the vacuum insulation. In this case, the evaporation and release of latent gases remaining in the components disposed within the vacuum space can be promoted. The venting process may include a process of cooling the vacuum insulation. A cooling process may be performed after the process of heating or drying the vacuum insulation. The process of heating or drying the vacuum insulation and the process of applying vacuum pressure to the vacuum insulation may be performed together. The process of heating or drying the vacuum insulation and the process of providing a getter to the vacuum insulation may be performed together. The process of cooling the vacuum insulation may be performed after the process of heating or drying the vacuum insulation. The process of applying vacuum pressure to the vacuum insulation and the process of providing a getter to the vacuum insulation may be performed without overlap. For example, the process of supplying getter to the vacuum insulation body can be performed after the process of supplying vacuum pressure to the vacuum insulation body. When vacuum pressure is supplied to the vacuum insulation body, the pressure in the vacuum space can drop to a certain level and then stop decreasing. Here, after the process of supplying vacuum pressure to the vacuum insulation body is stopped, getter can be introduced. As an example of stopping the process of supplying vacuum pressure to the vacuum insulation body, the operation of the vacuum pump connected to the vacuum space can be stopped. When getter is introduced, the process of heating or drying the vacuum insulation body can be performed simultaneously. In this way, venting can be promoted. As another example, after the process of supplying getter to the vacuum insulation body, the process of supplying vacuum pressure to the vacuum insulation body can be performed.

[0087] The time taken to perform the vacuum venting process of a vacuum insulation body can be referred to as the vacuum venting time. The vacuum venting time includes at least one of time Δt1, time Δt2, and time Δt3, during which the process of heating or drying the vacuum insulation body is performed; during time Δt2, the process of retaining the getter in the vacuum insulation body is performed; and during time Δt3, the process of cooling the vacuum insulation body is performed. Examples of times Δt1, Δt2, and Δt3 are as follows. This disclosure can be any one of the following examples, or a combination of two or more examples. During the vacuum venting process of a vacuum insulation body, time Δt1 can be greater than or equal to time t1a and less than or equal to time t1b. As a first example, time t1a can be greater than or equal to about 0.2 hr and less than or equal to about 0.5 hr. Time t1b can be greater than or equal to about 1 hr and less than or equal to about 24.0 hr. Time Δt1 can be greater than or equal to about 0.3 hr and less than or equal to about 12.0 hr. Time Δt1 can be greater than or equal to about 0.4 hr and less than or equal to about 8.0 hr. The time Δt1 can be greater than or equal to about 0.5 hr and less than or equal to about 4.0 hr. In this case, even if Δt1 is kept as short as possible, sufficient venting can be applied to the vacuum insulation. For example, this can include a situation where the venting rate (%) of a component of the vacuum insulation exposed to the vacuum space is less than the venting rate of any component of the vacuum insulation exposed to the external space. Specifically, the component exposed to the vacuum space can include portions having a venting rate less than that of thermoplastic polymers. More specifically, a support or radiation shield can be disposed in the vacuum space, and the venting rate of the support can be less than that of thermoplastic plastics. As another example, this can include a situation where the maximum operating temperature (°C) of a component of the vacuum insulation exposed to the vacuum space is greater than the maximum operating temperature of any component of the vacuum insulation exposed to the external space. In this case, the vacuum insulation can be heated to a higher temperature to increase the venting rate. For example, components exposed to a vacuum space may include portions having an operating temperature higher than that of the thermoplastic polymer. As a more specific example, supports or radiation shields may be disposed within a vacuum space, and the operating temperature of the supports may be higher than that of the thermoplastic. As another example, in a vacuum insulation system with multiple components, the components exposed to the vacuum space may contain more metallic portions than non-metallic portions. That is, the mass of the metallic portions may be greater than the mass of the non-metallic portions, the volume of the metallic portions may be greater than the volume of the non-metallic portions, or the area of ​​the metallic portions exposed to the vacuum space may be greater than the area of ​​the non-metallic portions exposed to the vacuum space.When multiple components are exposed to a vacuum space, the sum of the volumes of the metallic material contained in the first component and the metallic material contained in the second component can be greater than the sum of the volumes of the non-metallic material contained in the first component and the non-metallic material contained in the second component. When multiple components are exposed to a vacuum space, the sum of the masses of the metallic material contained in the first component and the metallic material contained in the second component can be greater than the sum of the masses of the non-metallic material contained in the first component and the non-metallic material contained in the second component. When multiple components are exposed to a vacuum space, the sum of the areas of the metallic material contained in the first component and exposed to the vacuum space and the areas of the metallic material contained in the second component and exposed to the vacuum space can be greater than the sum of the areas of the non-metallic material contained in the first component and exposed to the vacuum space and the non-metallic material contained in the second component and exposed to the vacuum space. As a second example, time t1a can be greater than or equal to about 0.5 hr and less than or equal to about 1 hr. Time t1b can be greater than or equal to about 24.0 hr and less than or equal to about 65 hr. Time Δt1 can be greater than or equal to about 1.0 hr and less than or equal to about 48.0 hr. Time Δt1 can be greater than or equal to about 2 hours and less than or equal to about 24.0 hours. Time Δt1 can be greater than or equal to about 3 hours and less than or equal to about 12.0 hours. In this case, the vacuum insulation may need to be maintained for Δt1 for as long as possible. In this case, a situation opposite to the example described in the first example or in which the component exposed to the vacuum space is made of a thermoplastic material can be an example. Repeated descriptions will be omitted. During the vacuum degassing process of the vacuum insulation, time Δt1 can be greater than or equal to time t1a and less than or equal to time t1b. Time t2a can be greater than or equal to about 0.1 hours and less than or equal to about 0.3 hours. Time t2b can be greater than or equal to about 1 hour and less than or equal to about 5.0 hours. Time Δt2 can be greater than or equal to about 0.2 hours and less than or equal to about 3.0 hours. Time Δt2 can be greater than or equal to about 0.3 hours and less than or equal to about 2.0 hours. Time Δt2 can be greater than or equal to about 0.5 hours and less than or equal to about 1.5 hours. In this case, even if time Δt2 is kept as short as possible, sufficient venting via the getter can be applied to vacuum insulation. During vacuum venting of a vacuum insulation, time Δt3 can be greater than or equal to time t3a and less than or equal to time t3b. Time t2a can be greater than or equal to approximately 0.2 hr and less than or equal to approximately 0.8 hr. Time t2b can be greater than or equal to approximately 1 hr and less than or equal to approximately 65.0 hr. Time Δt3 can be greater than or equal to approximately 0.2 hr and less than or equal to approximately 48.0 hr. Time Δt3 can be greater than or equal to approximately 0.3 hr and less than or equal to approximately 24.0 hr. Time Δt3 can be greater than or equal to approximately 0.4 hr and less than or equal to approximately 12.0 hr.The time Δt3 can be greater than or equal to about 0.5 hr and less than or equal to about 5.0 hr. A cooling process can be performed after the heating or drying process is performed during the exhaust process. For example, when the heating or drying process is performed for a long time, the time Δt3 may be long. The vacuum insulation body according to this disclosure can be manufactured such that time Δt1 is greater than time Δt2, time Δt1 is less than or equal to time Δt3, or time Δt3 is greater than time Δt2. The following relationship expression is satisfied: Δt2 < Δt1 ≤ Δt3. The vacuum insulation body according to one embodiment can be manufactured such that the relationship expression Δt1 + Δt2 + Δt3 can be greater than or equal to about 0.3 hr and less than or equal to about 70 hr, greater than or equal to about 1 hr and less than or equal to about 65 hr, or greater than or equal to about 2 hr and less than or equal to about 24 hr. It can be manufactured such that the relationship expression Δt1 + Δt2 + Δt3 is greater than or equal to about 3 hr and less than or equal to about 6 hr.

[0088] Examples of vacuum pressure conditions during the exhaust process are as follows. This disclosure may be any one of the following examples, or a combination of two or more examples. The minimum vacuum pressure in the vacuum space during the exhaust process may be greater than about 1.8E-6 Torr. The minimum vacuum pressure may be greater than about 1.8E-6 Torr and less than or equal to about 1.0E-4 Torr, greater than about 0.5E-6 Torr and less than or equal to about 1.0E-4 Torr, or greater than about 0.5E-6 Torr and less than or equal to about 0.5E-5 Torr. The minimum vacuum pressure may be greater than about 0.5E-6 Torr and less than about 1.0E-5 Torr. Thus, the minimum vacuum pressure provided during the exhaust process is limited because even if the pressure is reduced by a vacuum pump during the exhaust process, the reduction in vacuum pressure will be slowed down below a certain level. As an embodiment, after the exhaust process is performed, the vacuum pressure in the vacuum space may be maintained at a pressure greater than or equal to about 1.0E-5 Torr and less than or equal to about 5.0E-1 Torr. The maintained vacuum pressure can be greater than or equal to about 1.0E-5 Torr and less than or equal to about 1.0E-1 Torr, greater than or equal to about 1.0E-5 Torr and less than or equal to about 1.0E-2 Torr, greater than or equal to about 1.0E-4 Torr and less than or equal to about 1.0E-2 Torr, or greater than or equal to about 1.0E-5 Torr and less than or equal to about 1.0E-3 Torr. As a result of accelerated testing of two example products to predict changes in vacuum pressure, one product can be configured such that, even after about 16.3 years, the vacuum pressure remains below about 1.0E-04 Torr, and another product is configured such that, even after about 17.8 years, the vacuum pressure remains below about 1.0E-04 Torr. As stated above, the vacuum pressure of a vacuum insulation material is only industrially usable if it remains below a predetermined level, even if it varies over time.

[0089] Figure 5 a is a graph showing the time and pressure during the exhaust process according to one embodiment, and Figure 5 b is a view explaining the results of a vacuum holding test in an accelerated experiment on a vacuum insulator of a refrigerator with an internal volume of approximately 128 liters. (Reference) Figure 5 b. As can be seen, the vacuum pressure gradually increases with aging. For example, it has been confirmed that the vacuum pressure is approximately 6.7E-04 Torr after about 4.7 years, approximately 1.7E-03 Torr after about 10 years, and approximately 1.0E-02 Torr after about 59 years. Based on these experimental results, it is confirmed that the vacuum insulation body according to this embodiment can be adequately applied in industry.

[0090] Figure 6This is a graph showing the results obtained by comparing vacuum pressure with the thermal conductivity of a gas. (Reference) Figure 6The gas thermal conductivity relative to vacuum pressure is expressed as a curve of effective heat transfer coefficient (eK), depending on the size of the gap in vacuum space 50. The effective heat transfer coefficient (eK) is measured when the gap in vacuum space 50 has three values: approximately 3 mm, approximately 4.5 mm, and approximately 9 mm. The gap in vacuum space 50 is defined as follows: When a radiation-resistant sheet 32 ​​is present in the surface vacuum space 50, the gap is the distance between the radiation-resistant sheet 32 ​​and its adjacent plate. When a radiation-resistant sheet 32 ​​is not present in the surface vacuum space 50, the gap is the distance between the first plate and the second plate. It can be seen that because the size of this gap is very small at a point corresponding to a typical effective heat transfer coefficient of approximately 0.0196 W / mK, which is provided by the insulation material formed by foamed polyurethane, even with a gap size of approximately 3 mm, the vacuum pressure is approximately 5.0E-1 Torr. Simultaneously, it can be seen that even with a decrease in vacuum pressure, the point at which the reduction in insulation effect due to gas conduction heat reaches saturation is at a vacuum pressure of approximately 4.5E-3 Torr. A vacuum pressure of approximately 4.5E-3 Torr can be defined as the point at which the reduction in adiabatic effect due to gas conduction heat reaches saturation. Furthermore, when the effective heat transfer coefficient is approximately 0.01 W / mK, the vacuum pressure is approximately 1.2E-2 Torr. An example of the range of vacuum pressure in a vacuum space with this gap is shown. The support may include at least one of a rod, a connecting plate, or a support plate. In this case, when the gap in the vacuum space is greater than or equal to approximately 3 mm, the vacuum pressure may be greater than or equal to A and less than approximately 5E-1 Torr, or greater than approximately 2.65E-1 Torr and less than approximately 5E-1 Torr. As another example, the support may include at least one of a rod, a connecting plate, or a support plate. In this case, when the gap in the vacuum space is greater than or equal to approximately 4.5 mm, the vacuum pressure may be greater than or equal to A and less than approximately 3E-1 Torr, or greater than approximately 1.2E-2 Torr and less than approximately 5E-1 Torr. As another example, the support may include at least one of a rod, a connecting plate, or a support plate, and when the gap in the vacuum space is greater than or equal to about 9 mm, the vacuum pressure may be greater than or equal to A and less than about 1.0 × 10⁻¹ Torr, or greater than about 4.5E⁻³ Torr and less than about 5E⁻¹ Torr. Here, A may be greater than or equal to about 1.0 × 10⁻⁶ Torr and less than or equal to about 1.0E⁻⁵ Torr. A may be greater than or equal to about 1.0 × 10⁻⁵ Torr and less than or equal to about 1.0E⁻⁴ Torr. When the support comprises a porous material or filler, the vacuum pressure may be greater than or equal to about 4.7E⁻² Torr and less than or equal to about 5E⁻¹ Torr. In this case, it should be understood that the size of the gap ranges from several micrometers to several hundred micrometers.When the support and the porous material are placed together in a vacuum space, a vacuum pressure can be generated and used, which is between the vacuum pressure when only the support is used and the vacuum pressure when only the porous material is used.

[0091] Figure 7 This is a view illustrating different examples of vacuum space. This disclosure may be any one of the following examples, or a combination of two or more examples.

[0092] refer to Figure 7 The vacuum insulation body according to this disclosure may include a vacuum space. The vacuum space 50 may include a first vacuum space extending along a first direction (e.g., the X-axis) and having a predetermined height. The vacuum space 50 may optionally include a second vacuum space (hereinafter referred to as a vacuum space extension), which differs from the first vacuum space in at least one aspect, either height or direction. The vacuum space extension may be provided by allowing at least one of a side plate or a first plate and a second plate to extend. In this case, thermal resistance can be increased by lengthening the heat conduction path along the plate. The vacuum space extension in which the second plate extends can enhance the insulation performance of the front portion of the vacuum insulation body. The vacuum space extension in which the second plate extends can enhance the insulation performance of the rear portion of the vacuum insulation body, while the vacuum space extension in which the side plate extends can enhance the insulation performance of the sides of the vacuum insulation body. Reference Figure 7 a. The second plate may extend to provide a vacuum space extension portion 51. The second plate may include a second portion 202 extending from the first portion 201 defining the vacuum space 50 and the vacuum space extension portion 51. The second portion 202 of the second plate may branch out thermally conductive paths along the second plate to increase thermal resistance. (See reference) Figure 7 b. The side plate may extend to provide a vacuum space extension portion. The side plate may include a second portion 152 extending from the first portion 151 defining the vacuum space 50 and the vacuum space extension portion 51. The second portion of the side plate may branch off heat conduction paths along the side plate to improve thermal insulation performance. The first portion 151 and the second portion 152 of the side plate may branch off heat conduction paths to increase thermal resistance. Reference Figure 7 c. The first plate may extend to provide a vacuum space extension portion. The first plate may include a second portion 102 extending from a first portion 101 defining the vacuum space 50 and the vacuum space extension portion 51. The second portion of the first plate may branch out a heat conduction path along the second plate to increase thermal resistance. (See reference...) Figure 7d. The vacuum space extension portion 51 may include an X-direction extension portion 51a and a Y-direction extension portion 51b of the vacuum space. The vacuum space extension portion 51 may extend in multiple directions of the vacuum space 50. In this way, the thermal insulation performance can be enhanced in multiple directions, and can be increased by lengthening the heat conduction path in multiple directions to improve thermal resistance. The thermal insulation performance of the vacuum space extension portion extending in multiple directions can be further improved by branching out heat conduction paths. (Reference) Figure 7 e. The side panels can provide vacuum space extensions extending in multiple directions. These extended vacuum space sections can enhance the insulation performance of the sides of the vacuum insulator. (Reference) Figure 7 f, the first plate can provide vacuum space extensions extending in multiple directions. These vacuum space extensions can enhance the thermal insulation performance of the sides of the vacuum insulator.

[0093] Figure 8 This is a view illustrating another insulation. This disclosure may be any one of the following examples, or a combination of two or more examples. References Figure 8The vacuum insulation body according to this disclosure may optionally include another insulation body 90. The other insulation body may have a lower vacuum degree than the vacuum insulation body and is an object excluding any portion therein with a vacuum state. The vacuum insulation body and the other vacuum insulation body may be directly connected to each other or connected to each other through an intermediate. In this case, the intermediate body may have a lower vacuum degree than at least one of the vacuum insulation body or the other insulation body, or may be an object excluding any portion therein with a vacuum state. When the vacuum insulation body includes a high-height portion and a low-height portion, the other insulation body may be disposed at the low-height portion of the vacuum insulation body. The other insulation body may include a portion connected to at least a portion of the side panel and the first and second panels. The other insulation body may be supported on the panels, or connected to or sealed. The degree of sealing between the other insulation body and the panels may be lower than the degree of sealing between the panels. The other insulation body may include a cured insulation body (e.g., a PU foam solution) that cures after injection, a pre-formed resin, a peripheral insulation body, and a side panel. At least a portion of the plate may be positioned inside another insulation. The other insulation may include an empty space. The plate may be positioned to be housed within the empty space. At least a portion of the plate may be positioned to cover at least a portion of the other insulation. The other insulation may include a member covering its outer surface. This member may be at least a portion of the plate. The other insulation may be an intermediate for connecting, supporting, bonding, or sealing a vacuum insulation to the component. The other insulation may be an intermediate for connecting, supporting, bonding, or sealing a vacuum insulation to another vacuum insulation. The other insulation may include a portion connected to a component connection portion disposed on at least a portion of the plate. The other insulation may include a portion connected to a cover covering the other insulation. The cover may be disposed between the first plate and the first space, between the second plate and the second space, or between a side plate and a space other than the vacuum space 50. For example, the cover may include a portion for mounting a component thereon. As another example, the cover may include a portion defining the appearance of the other insulation. Reference Figure 8 a to Figure 8 f. Another insulating element may include a peripheral insulating element. The peripheral insulating element may be disposed on the periphery of the vacuum insulating element, the periphery of the first plate, the periphery of the second plate, and at least a portion of the side plate. The peripheral insulating element disposed on the periphery of the first plate or the periphery of the second plate may extend to the portion where the side plate is disposed, or may extend to the outside of the side plate. The peripheral insulating element disposed on the side plate may extend to the portion where the first plate is disposed, or may extend to the outside of the first or second plate. (See reference) Figure 8 g to Figure 8 h, another insulating body may include a central insulating body. The central insulating body may be disposed on at least a portion of the central portion of the vacuum insulating body, the central portion of the first plate, or the central portion of the second plate.

[0094] refer to Figure 8 a. Peripheral insulation 92 can be placed on the periphery of the first plate. The peripheral insulation can be in contact with the first plate. The peripheral insulation can be separated from the first plate, or further extend from the first plate (indicated by dashed lines). The peripheral insulation can improve the thermal insulation performance of the periphery of the first plate. Reference Figure 8 b. Peripheral insulation can be placed around the periphery of the second plate. The peripheral insulation can be in contact with the second plate. The peripheral insulation can be separate from the second plate, or extend further from the second plate (indicated by dashed lines). The peripheral insulation can improve the insulation performance of the periphery of the second plate. Reference Figure 8 c. Peripheral insulation can be installed around the perimeter of the side panel. The peripheral insulation can be in contact with the side panel. The peripheral insulation can be separate from the side panel or extend further from it. The peripheral insulation can improve the thermal insulation performance around the perimeter of the side panel. (Reference) Figure 8 d. Peripheral insulation 92 can be disposed on the periphery of the first plate. The peripheral insulation can be placed on the periphery of the first plate of the structural vacuum space extension 51. The peripheral insulation can contact the first plate of the structural vacuum space extension. The peripheral insulation can be separated from the first plate of the structural vacuum space extension or further extend into the first plate. The peripheral insulation can improve the thermal insulation performance of the periphery of the first plate of the structural vacuum space extension. (Reference) Figure 8 e and Figure 8 f, In the peripheral insulation, the vacuum space extension can be located around the perimeter of the side plate or the second plate. This can be achieved using... Figure 8 Same explanation as in d. (See reference) Figure 8 g. The central insulation element 91 can be placed on the central portion of the first plate. The central insulation element can improve the insulation performance of the central portion of the first plate. (Reference) Figure 8 h, The central insulation element can be placed on the central portion of the second plate. The central insulation element can improve the insulation performance of the central portion of the second plate.

[0095] Figure 9 This is a view used to explain the heat transfer path between a first plate and a second plate with different temperatures. An example of a heat transfer path is shown below. This disclosure may be any one of the following examples, or a combination of two or more examples.

[0096] The heat transfer path may extend through at least a portion of the first portion 101 of the first plate, the first portion 201 of the second plate, or the first portion 151 of the side plate. The first portion may include a portion defining a vacuum space. Extensions 102, 152, and 202 may include portions extending in a direction away from the first portion. Extensions may include a side portion of the vacuum insulation, a side portion of the plate with the higher temperature in the first and second plates, or a portion extending toward the side portion of the vacuum space 50. Extensions may include the front portion of the vacuum insulation, the front portion of the plate with the higher temperature in the first and second plates, or a front portion extending in a direction away from the front portion of the vacuum space 50. This reduces the formation of condensation on the front portion. The vacuum insulation or vacuum space 50 may include a first surface and a second surface with different temperatures from each other. The temperature of the first surface may be lower than the temperature of the second surface. For example, the first surface may be the first plate, and the second surface may be the second plate. Extensions may extend in a direction away from the second surface, or include portions extending toward the first surface. Extensions may include portions in contact with the second surface, or portions extending in contact with the second surface. The extension may include portions extending and spaced apart from the two surfaces. The extension may include portions having a thermal resistance greater than that of at least a portion of the first surface or plate. The extension may include multiple portions extending in different directions. For example, the extension may include a second portion 202 of the second plate and a third portion 203 of the second plate. The third portion may also be disposed on the first plate or side plate. In this way, thermal resistance can be increased by extending the heat transfer path. The aforementioned thermal resistance element can be disposed in the extension. Another insulating material may be disposed outside the extension. In this way, the extension can reduce condensation on the second surface. (Reference) Figure 9 a. The second plate may include an extension extending to the periphery of the second plate. This extension may also include a rearwardly extending portion. (See reference) Figure 9 b. The side panel may include an extension extending to the periphery of the side panel. Here, the extension may be configured such that its length is less than or equal to the length of the extension of the second panel. The extension may also include a rearwardly extending portion. (See reference) Figure 9 c. The first plate may include an extension extending to its periphery. This extension may extend to a length less than or equal to the length of the extension of the second plate. The extension may also include a rearwardly extending portion.

[0097] Figure 10 This is a view used to explain the branching portions of the heat transfer path between a first plate and a second plate with different temperatures. Examples of branching portions are shown below. This disclosure may be any one of the following examples, or a combination of two or more examples.

[0098] Optionally, the heat transfer path may pass through portions 205, 153, and 104 that branch off from at least a portion of the first plate, the second plate, or the side plate, respectively. Here, a branched heat transfer path means a heat transfer path that separates from the heat transfer path through which heat flows along the plate. The branch portion may be positioned in a direction away from the vacuum space 50. The branch portion may be positioned in a direction toward the interior of the vacuum space 50. The branch portion may perform reference... Figure 9 The description extends to the same parts, thus the descriptions of these identical parts will be omitted. (See references.) Figure 10 a. The second plate may include branch portions 205. These branch portions may be multiple and spaced apart from each other. The branch portions may include a third portion 203 of the second plate. (See reference) Figure 10 b. The side panel may include branch portions 153. Branch portions 153 may branch off from the second portion 152 of the side panel. At least two branch portions 153 may be provided. At least two branch portions 153 spaced apart from each other may be provided on the second portion 152 of the side panel. (See reference) Figure 10 c. The first plate may include a branch portion 104. The branch portion may further extend from a second portion 102 of the first plate. The branch portion may extend toward a periphery. The branch portion 104 may be bent to extend further. Figure 10 a, Figure 10 b and Figure 10 The direction of the branch extending from c can be the same as in Figure 10 The extension directions of the extended portions depicted in the figure are at least the same.

[0099] Figure 11 It is a view used to explain the process of manufacturing vacuum insulation.

[0100] Optionally, the vacuum insulation body can be manufactured through a vacuum insulation body component preparation process in which the first and second plates are prepared in advance. Optionally, the vacuum insulation body can be manufactured through a vacuum insulation body component assembly process in which the first and second plates are assembled. Optionally, the vacuum insulation body can be manufactured through a vacuum insulation body degassing process in which air is discharged from the space defined between the first and second plates. Optionally, after performing the vacuum insulation body component preparation process, either the vacuum insulation body component assembly process or the vacuum insulation body degassing process can be performed. Optionally, after performing the vacuum insulation body component assembly process, the vacuum insulation body degassing process can be performed. Optionally, the vacuum insulation body can be manufactured through a vacuum insulation body component sealing process (S3) in which the space between the first and second plates is sealed. The vacuum insulation body component sealing process can be performed before the vacuum insulation body degassing process (S4). The vacuum insulation body can be manufactured into an object with a specific purpose through an equipment assembly process (S5) in which the vacuum insulation body is combined with components that constitute a device. The equipment assembly process can be performed after the vacuum insulation body degassing process. Here, the components that constitute the device refer to the components that are constructed together with the vacuum insulation body.

[0101] The vacuum insulation component fabrication process (S1) is the process of preparing or manufacturing components for constructing a vacuum insulation body. Examples of components for constructing a vacuum insulation body may include various components such as plates, supports, thermal resistors, and tubes. The vacuum insulation component assembly process (S2) is the process of assembling the prepared components. The vacuum insulation component assembly process may include the process of setting at least a portion of a thermal resistor and at least a portion of a support on at least a portion of a plate. For example, the vacuum insulation component assembly process may include the process of setting at least a portion of a thermal resistor and a support between a first plate and a second plate. Optionally, the vacuum insulation component assembly process may include the process of setting a penetrating component on at least a portion of a plate. For example, the vacuum insulation component assembly process may include the process of setting a penetrating component or a surface component between a first plate and a second plate. After the penetrating component may be set between the first plate and the second plate, the penetrating component may be connected to or sealed to the penetrating component connection portion.

[0102] Examples of vacuum venting processes for vacuum insulation are as follows. This disclosure may be any one example, or a combination of two or more examples. The vacuum venting process for a vacuum insulation may include at least one of the following: introducing the vacuum insulation into an exhaust channel, activating a getter, detecting vacuum leaks, and closing the exhaust port. The process of forming the connecting portion may be performed in at least one of a vacuum insulation component preparation process, a vacuum insulation component assembly process, or an equipment assembly process. Prior to performing the vacuum venting process, a process of cleaning the components constructing the vacuum insulation may be performed. Optionally, the cleaning process may include applying ultrasonic waves to the components constructing the vacuum insulation, or providing ethanol or an ethanol-containing material to the surface of the components constructing the vacuum insulation. The ultrasonic waves may have an intensity between about 10 kHz and about 50 kHz. The ethanol content in the material may be about 50% or more. For example, the ethanol content in the material may range from about 50% to about 90%. As another example, the ethanol content in the material may be from about 60% to about 80%. As another example, the ethanol content in the material may range from about 65% to about 75%. Optionally, after performing the cleaning process, a process of drying the components of the vacuum insulation structure can be performed. Optionally, after performing the cleaning process, a process of heating the components of the vacuum insulation structure can be performed.

[0103] exist Figures 1 to 11 The content depicted herein can be applied in whole or selectively to the embodiments described with reference to the accompanying drawings.

[0104] As an embodiment, examples of processes associated with the support are as follows. This disclosure may be any one of the following examples, or a combination of two or more examples. The vacuum insulation component preparation process may include a process for manufacturing the support. The process of manufacturing the support may be performed before performing the vacuum insulation vacuum degassing process. For example, the support may be manufactured by injection molding. Optionally, a process of cleaning the support may be performed before performing the vacuum insulation vacuum degassing process. A process of storing the support under predetermined conditions may be performed before performing the vacuum insulation vacuum degassing process or during performing the vacuum insulation vacuum degassing process. For example, a main storage process may be performed before performing the vacuum insulation vacuum degassing process, and an auxiliary storage process may be performed concurrently with performing the vacuum insulation vacuum degassing process. As another example, a storage process may be performed during performing the vacuum insulation vacuum degassing process. Examples of storage processes are as follows. As a first example, the storage process may include a process of drying or heating the support. This allows for venting from the support. The heating temperature may be greater than a predetermined reference temperature and less than the melting point of the support. The predetermined reference temperature can be between approximately 10 degrees and approximately 40 degrees. The heating temperature can be greater than approximately 80 degrees and less than approximately 280 degrees. The heating temperature can be greater than approximately 100 degrees and less than approximately 260 degrees. The heating temperature can be greater than approximately 120 degrees and less than approximately 240 degrees. The heating temperature can be greater than approximately 140 degrees and less than approximately 220 degrees. The heating temperature can be greater than approximately 160 degrees and less than approximately 200 degrees. The heating temperature can be greater than approximately 170 degrees and less than approximately 190 degrees. The heating temperature during the primary storage process can be lower than the heating temperature during the auxiliary storage process. Optionally, the storage process may include a process of cooling the support. The cooling process can be performed after the process of drying or heating the support. As a second example, the storage process may include storing the support in a pressure below atmospheric pressure. This allows for venting from the support. The storage pressure can be less than the pressure maintained in a vacuum state in the internal space between the first and second plates. The storage pressure can be greater than 10E-10 torr and less than atmospheric pressure. Storage pressure can be greater than 10E-9 torr and less than atmospheric pressure. Storage pressure can be greater than 10E-8 torr and less than atmospheric pressure. Storage pressure can be greater than 10E-7 torr and less than atmospheric pressure. Storage pressure can be greater than 10E-3 torr and less than atmospheric pressure. Storage pressure can be greater than 10E-2 torr and less than atmospheric pressure. Storage pressure can be greater than 0.5E-1 torr and less than atmospheric pressure. Storage pressure can be greater than 0.5E-1 torr and less than 3E-1 torr. Storage pressure in the primary storage process can be higher than storage pressure in the secondary storage process. Optionally, the storage process may include a storage process at atmospheric pressure.After performing the process of storing the support in a state with pressure less than atmospheric pressure, the process of storing the support in a state with atmospheric pressure can be performed.

[0105] Optionally, prior to performing the vacuum venting process of the vacuum insulation, a process of connecting multiple parts of the support to each other may be performed. For example, the connection process may include connecting rods of the support to a connecting plate. As another example, the connection process may include connecting rods of the support to a support plate.

[0106] The process associated with the support member may optionally include a process related to storing the support member under predetermined conditions. Examples of the process sequence related to storing the support member under predetermined conditions are as follows. This disclosure may be any one of the following examples, or a combination of two or more examples. After performing the process of drying or heating the support member, at least one of the following processes may be performed: storing the support member at a pressure less than atmospheric pressure, cooling the support member, or storing the support member at atmospheric pressure. After performing the process of storing the support member at a pressure less than atmospheric pressure, at least one of the following processes may be performed: drying or heating the support member, cooling the support member, or storing the support member at atmospheric pressure. The process of drying or heating the support member and the process of storing the support member at a pressure less than atmospheric pressure may be performed simultaneously. The process of drying or heating the support member and the process of storing the support member at atmospheric pressure may be performed simultaneously. The process of storing the support member under conditions less than atmospheric pressure and the process of cooling the support member may be performed simultaneously.

[0107] The processes associated with the support may optionally include processes related to the process of connecting the support. Examples of the process sequence related to the process of connecting the support are as follows. This disclosure may be any one of the following examples, or a combination of two or more examples. Before performing the connection process, a process may be performed to install a separate component, independent of the support, in a space disposed within the support. For example, this component may include a thermal resistor. After performing the connection process, the support may be packaged or stored in a vacuum state. After performing a process of storing the support under predetermined conditions, a process may be performed to connect multiple parts of the support to each other.

[0108] Regarding the support component, the process may optionally include processes related to cleaning the support component. Examples of the process sequence related to cleaning the support component are as follows. This disclosure may be any one of the following examples, or a combination of two or more examples. After performing the process of manufacturing the support component, at least one of the following processes may be performed: cleaning the support component, storing the support component under predetermined conditions, or connecting multiple parts of the support component to each other. After performing the process of cleaning the support component, at least one of the following processes may be performed: storing the support component under predetermined conditions or connecting multiple parts of the support component to each other. Before performing the process of cleaning the support component, at least one of the following processes may be performed: storing the support component under predetermined conditions or connecting multiple parts of the support component to each other.

[0109] The processes associated with the support member may optionally include processes related to the process of setting the support member to the plate. Examples of the process sequence related to setting the support member to the plate are as follows. This disclosure may be any one of the following examples, or a combination of two or more examples. The support member may be positioned in the space between the first and second plates before the vacuum insulation venting process is performed. The support member may be positioned inside the plate or on the surface of the plate before the vacuum insulation venting process is performed. The support member may be attached to the plate before the vacuum insulation venting process is performed. The support member may be positioned in the space between the first and second plates after the component connection portion is positioned on a portion of the plate.

[0110] Figure 12 This is a perspective view showing a support member according to another embodiment, and Figure 13 It is shown Figure 12 An exploded perspective view of the support components.

[0111] refer to Figure 12 and Figure 13 In this embodiment, the support member 30b may include a first support member 350b, a second support member 360b connected to the first support member 350b, and at least one radiation-shielding sheet 32 ​​disposed between the first support member 350b and the second support member 360b. At least one of the first support member 350b and the second support member 360b can support the radiation-shielding sheet 32 ​​while passing through it. If the support member 30b includes multiple radiation-shielding sheets 32, the first support member 350b and the second support member 360b can support the multiple radiation-shielding sheets 32 with the multiple radiation-shielding sheets 32 spaced apart from each other. Figure 13 Three radiation-resistant sheets 32 are shown as examples.

[0112] The first support member 350b can contact the inner shell 110. The second support member 360b can contact the outer shell 210. Conversely, the first support member 350b can contact the outer shell 210, while the second support member 360b can contact the inner shell 110.

[0113] The second support member 360b can be configured by interconnecting multiple second supports 360b1, 360b2, and 360b3 having the same structure along the Z-axis direction (e.g., the vertical direction of a door). The first support member 350b may include a first support 350b1 of a first type, first supports 350b2 and 350b3 of a second type, and a first support 350b4 of a third type. The first to third type supports 350b1, 350b2, 350b3, and 350b4 have the same length along the X-axis direction. The lengths of the second type first supports 350b2 and 350b3 along the Z-axis direction are greater than the lengths of each of the first type first support 350b1 and the third type first support 350b4. The first type first support 350b1 can be connected to the first second support 360b1 among the multiple second supports 360b1, 360b2, and 360b3 arranged at the beginning. Furthermore, a portion of the second type of first support 350b2 can be connected to the first-position second support 360b. In this case, the first type of first support 350b1 and the second type of first support 350b2 can be spaced apart from each other along the Z-axis. In the second-position second support 360b2 among a plurality of second supports 360b1, 360b2, and 360b3, another portion of the second type of first support 350b2 and a portion of another second type of first support 350b3 can be interconnected. In the third-position second support 360b3 among a plurality of second supports 360b1, 360b2, and 360b3, another portion of another second type of first support 350b3 and a third type of first support 350b4 can be interconnected.

[0114] Figure 14 It is a cross-sectional view of the first support member and the second support member being connected to each other.

[0115] refer to Figure 13 and Figure 14 The first support member 350b may include a first support plate 351 formed in a grid pattern. In other words, the first support plate 351 may include a plurality of through holes 352. For example, two first extensions extending along the Z-axis and two second extensions extending along the X-axis may define a through hole 352. The plurality of through holes 352 may be arranged in multiple ways in each of the X-axis and Z-axis directions.

[0116] The first support member 350b may include a plurality of spacer connecting portions 356 extending from the first support plate 351 in a direction intersecting the first support plate 351. For example, the plurality of spacer connecting portions 356 may extend from the first support plate 351 in the Y-axis direction. Each spacer connecting portion 356 may be positioned at the junction of the first extension portion and the second extension portion. The plurality of spacer connecting portions 356 may be divided based on length (e.g., height) in the Y-axis direction. The plurality of spacer connecting portions 356 may include some or all of a first spacer connecting portion 356a, a second spacer connecting portion 356b, and a third spacer connecting portion 356c. Hereinafter, an example of the plurality of spacer connecting portions 356 including a first spacer connecting portion 356a, a second spacer connecting portion 356b, and a third spacer connecting portion 356c will be described. The second spacer connecting portion 356b is longer than the first spacer connecting portion 356a, and the third spacer connecting portion 356c is longer than the second spacer connecting portion 356b. Among the multiple spacer connection portions 356, the number of first spacer connection portions 356a is the largest, and the number of second spacer connection portions 356b is the smallest. In the first support member 350b, some rows and columns may include only the first spacer connection portions 356a. In the first support member 350b, some other rows may include only the first spacer connection portions 356a and the second spacer connection portions 356b. In this case, multiple first spacer connection portions 356a may be arranged between two mutually spaced-apart second spacer connection portions 356b. In the first support member 350b, another partial row may include only the first spacer connection portions 356a and the third spacer connection portions 356c. In this case, multiple first spacer connection portions 356a may be arranged between two mutually spaced-apart third spacer connection portions 356c. In the first support member 350b, some other columns may include all the first spacer connection portions 356a, second spacer connection portions 356b, and third spacer connection portions 356c. In a column including a second spacer connecting portion 356b and a third spacer connecting portion 356c, at least two third spacer connecting portions 356c can be positioned adjacent to each other. Two columns including only third spacer connecting portions 356c and first spacer connecting portions 356a can be positioned adjacent to each other. In a column including a second spacer connecting portion 356b and a third spacer connecting portion 356c, at least one first spacer connecting portion 356a is disposed between the second spacer connecting portion 356b and the third spacer connecting portion 356c.

[0117] The second support member 360b may include a second support plate 361 having a grid-like structure. The second support plate 361 may include a plurality of through holes 362. For example, two first extensions extending along the Z-axis and two second extensions extending along the X-axis may define a through hole 362. The plurality of through holes 362 may be arranged in multiples along each of the X-axis and Z-axis. The second support member 360b may include a plurality of spacers 366 extending from the second support plate 361 in a direction intersecting the second support plate 361. For example, the plurality of spacers 366 may extend from the second support plate 361 along the Y-axis. Each spacer 366 may be positioned at the junction of the first extension and the second extension. Each of the plurality of spacers 366 may be coupled to each of the plurality of spacer connecting portions 356. In this embodiment, a rod is accomplished by coupling a spacer 366 and a spacer connecting portion 356. Thus, multiple rods are accomplished by coupling the first support member 350b and the second support member 360b of this embodiment. In the above description, it has been stated that the first support member 350b includes a spacer connecting portion 356, and the second support member 360b includes a spacer 366. However, conversely, it is also possible that the first support member 350b includes a spacer 366, and the second support member 360b includes a spacer connecting portion. In any case, either spacer is connected to either spacer connecting portion to form a rod.

[0118] Multiple spacers 366 may include some or all of a first spacer 366a, a second spacer 366b, and a third spacer 366c. Examples of multiple spacers 366 including a first spacer 366a, a second spacer 366b, and a third spacer 366c will be described below. In the second support 360b, some rows and some columns may include only the third spacer 366c. In the second support 360b, some other rows may include only the third spacer 366c and the first spacer 366a. In the second support 360b, another partial row may include only the third spacer 366c and the second spacer 366b. In the second support 360b, some columns may include all of the first spacers 366a, the second spacer 366b, and the third spacer 366c. In a column including the first spacers 366a and the second spacer 366b, the first spacers 366a and the second spacer 366b may be positioned adjacent to each other. In the second support member 360b, the number of rows including the third spacer 366c is greater than the number of rows including the first spacer 366a and the third spacer 366c. In the second support member 360b, the number of rows including the third spacer 366c is greater than the number of rows including the second spacer 366b and the third spacer 366c. In the second support member 360b, the number of rows including the third spacer 366c is greater than the number of rows including the first spacer 366a to the third spacer 366c.

[0119] Figure 15 It is shown Figure 14 A magnified view of part A, and Figure 16 It is shown Figure 14 A magnified view of part B. Figure 17 It is shown Figure 14 A magnified view of part C, and Figure 18 It is shown Figure 14 A magnified view of part D.

[0120] refer to Figures 14 to 18 The first spacer 366a of the second support member 360b can be connected to the first spacer connecting portion 356a of the first support member 350b. The connection between the first spacer 366a and the first spacer connecting portion 356a defines a first rod. The second spacer 366b of the second support member 360b can be connected to the second spacer connecting portion 356b of the first support member 350b. The connection between the second spacer 366b and the second spacer connecting portion 356b defines a second rod. The third spacer 366c of the second support member 360b can be connected to the third spacer connecting portion 356c of the first support member 350b. The connection between the third spacer 366c and the third spacer connecting portion 356c defines a third rod. The third spacer 366c of the second support member 360b can be connected to the first spacer connecting portion 356a of the first support member 350b. The connection between the third spacer 366c and the first spacer connecting portion 356a defines a fourth rod. In other words, in this embodiment, four types of rods can be defined by the connection of the first support member 350b and the second support member 360b. Figures 14 to 18 In the description, "length" refers to the length of the first support plate 351 and the second support plate 361 in the arrangement direction.

[0121] Meanwhile, the support member 30b may include a first piece 32s1, a second piece 32s2 spaced apart from the first piece 32s1, and a third piece 32s3 spaced apart from the second piece 32s2. The first piece 32s1 to the third piece 32s1 are arranged to be spaced apart along the Y-axis direction, with the first piece 32s1 positioned closest to the first support plate 351 and the third piece 32s3 positioned closest to the second support plate 361. The second piece 32s2 is positioned between the first piece 32s1 and the third piece 32s3.

[0122] Figure 15 The first rod is shown. (Reference) Figure 15The first spacer 366a can pass through the first holes 32s11, 32s21, and 32s31 formed in each of the plurality of plates 32s1, 32s2, and 32s3 to connect to the first spacer connecting portion 356a. When the first spacer 366a is connected to the first spacer connecting portion 356a, the first spacer 366a supports the first plate 32s1. On the other hand, the first spacer 366a and the first spacer connecting portion 356a are spaced apart from the second plate 32s2 and the third plate 32s3. Thus, the first spacer supports the first plate 32s1 but does not support the second plate 32s2 and the third plate 32s3. The length of the first spacer 366a is longer than the length of the first spacer connecting portion 356a. A portion of the first spacer 366a can be inserted into the first spacer connecting portion 356a. For example, the first spacer connecting portion 356a can be formed in a cylindrical shape. The outer diameter Db1 of the first spacer connecting portion 356a can be greater than the maximum value Dc3 of the outer diameter of the first spacer 366a. The outer diameter Db1 of the first spacer connecting portion 356a can decrease as the distance from the first support plate 351 increases. The inner diameter Db3 of the first spacer connecting portion 356a can be the same as the diameter of a portion of the first spacer 366a. The diameter Db2 of the inlet of the first spacer connecting portion 356a can be greater than the inner diameter Db3 of the first spacer connecting portion 356a, so that the first spacer 366a can be easily inserted into the first spacer connecting portion 356a. In other words, a portion of the inner circumferential surface of the first spacer connecting portion 356a can have an inner diameter that increases toward the inlet. Due to the change in inner diameter, a portion of the inner circumferential surface of the first spacer connecting portion 356a relative to the vertical line ( Figure 13The line along the Y-axis is inclined at a first angle. By designing the shape of the first spacer connecting portion 356a, the mold can be easily separated from the first spacer connecting portion 356a during the injection molding process of the first support 350b. The first spacer 366a may include a second portion 366a2 extending from the second support plate 361 and a first portion 366a1 extending from the second portion 366a2 and having a diameter smaller than that of the second portion 366a2. Due to the diameter difference between the first portion 366a1 and the second portion 366a2, a stepped portion 366a3 can be formed between the first portion 366a1 and the second portion 366a2. The length of the second portion 366a2 is formed to be longer than the length of the first portion 366a1. The length of the first portion 366a1 is longer than the length of the first spacer connecting portion 356a. The first portion 366a1 can be press-fitted into the first spacer connecting portion 356a. When the first portion 366a1 is inserted into the first spacer connecting portion 356a, the first spacer connecting portion 356a can be spaced apart from the step portion 366a3. The diameter Dc2 (minimum diameter) of the point in the second portion 366a2 adjacent to the first portion 366a1 is smaller than the diameter Dc3 (maximum diameter) of the point adjacent to the second support plate 361. For example, the diameter of the second portion 366a2 can decrease towards the first spacer connecting portion 356a. Due to the change in the diameter of the second portion 366a2, the outer peripheral surface of the second portion 366a2 relative to the vertical line ( Figure 13The expansion line along the Y direction is inclined at a second angle. In this case, the second angle is smaller than the first angle. The diameter Dc2 of the point in the second portion 366a2 adjacent to the first portion 366a1 is larger than the diameter Dc1 of the first portion 366a1. The diameter of the first portion 366a1 may decrease as the distance from the second portion 366a2 increases. Alternatively, the first portion 366a1 may include: a first part whose diameter decreases as the distance from the second portion 366a2 increases; and a second part extending from the first part and having a constant diameter. In this case, the second part may be connected to the first spacer connection portion 356a. The diameter reduction rate of the diameter-variable section in the first portion 366a1 may be less than the diameter reduction rate of the diameter-variable section in the second portion 366a2. Alternatively, the first portion 366a1 may have a constant diameter overall. By designing the shape of the first spacer 366a, the mold can be easily separated from the first spacer 366a during the injection molding process of the second support 360b. The diameter Da2 of the point in the second portion 366a2 adjacent to the first portion 366a1 is greater than the inner diameter Db3 of the first spacer connecting portion 356a. Furthermore, the diameter of the first hole 32s11 of the first piece 32s1 is greater than the diameter Dc1 of the first portion 366a1 and smaller than the minimum diameter Dc2 of the second portion 366a2. Thus, the stepped portion 366a3 of the first spacer 366a can support the first piece 32s1. In this case, the first piece 32s1 can contact the first spacer connecting portion 356a. In this embodiment, the portion in contact with the first piece 32s1 can be described as supporting the first piece 32s1. For example, the surface of the stepped portion 366a3 of the first spacer 366a and the first spacer connecting portion 356a facing the second support plate 361 can support the first piece 32s1. In this case, the area of ​​the surface supporting the first piece 32s1 on the first spacer 366a can be different from the area of ​​the surface supporting the first piece 32s1 on the first spacer connecting portion 356a. For example, the supporting area of ​​the longer of the first spacer 366a and the first spacer connecting portion 356a can be smaller than the supporting area of ​​the shorter of the first spacer 366a and the first spacer connecting portion 356a. In this case, heat conduction along the direction through the first rod can be reduced. Specifically, the area of ​​the surface supporting the first piece 32s1 on the first spacer connecting portion 356a is larger than the area of ​​the surface supporting the first piece 32s1 on the first spacer 366a. After the first spacer 366b passes through the first piece 32s1, when it is connected to the first spacer connecting portion 356a, since the first spacer connecting portion 356a has a large contact area with the first piece 32s1, the bending phenomenon of the first piece 32s1 can be minimized.Although not limited to this, the difference between the outer diameter Db1 and the inner diameter Db2 of the inlet side of the first spacer connecting portion 356a is less than the diameter Dc1 of the first portion 366a1, and can be greater than 1 / 3 of the diameter Dc1 of the first portion 366a1. Due to this structure, the strength can be ensured at a certain level or higher while maintaining the shape of the first spacer connecting portion 356a during the injection process of the first support 350b. The diameters of the first holes 32s21 and 32s31 of the second piece 32s2 and the third piece 32s3 are greater than the maximum diameter Dc3 of the second portion 366a2. Thus, the second piece 32s2 and the third piece 32s3 are spaced apart from the first spacer 366a. In this way, except that the first piece 32s1 is supported by the first rod, heat conduction between the first rod and the second piece 32s2, and between the first rod and the third piece 32s3, can be prevented when the second piece 32s2 and the third piece 32s3 are spaced apart from the first rod. The length and outer diameter Db1 of the first spacer connecting portion 356a can be greater than the thickness of the first support plate 351 (in). Figure 13 The length in the Y-axis direction). The length and diameter Dc3 of the first spacer 366a can be greater than the thickness of the second support plate 361 (in Figure 13 The length in the Y-axis direction). The diameter Dc1 of the first part 366a1 can be greater than the thickness of the second support plate 361. The boundary region between the first spacer connecting part 356a and the first support plate 351 can be rounded. The periphery of the end portion of the first part 366a1 can be rounded. The boundary region between the first part 366a1 and the step portion 366a3 can be rounded. The boundary region between the first spacer 366a and the second support plate 361 can be rounded. The radius of curvature R4 at the boundary region between the first spacer connecting part 356a and the first support plate 351 can be equal to or approximately equal to the radius of curvature R2 around the end portion of the first part 366a1. The radius of curvature R2 around the end portion of the first part 366a1 can be greater than the radius of curvature R1 at the boundary region between the first part 366a1 and the step portion 366a3. The radius of curvature R3 at the boundary region between the first spacer 366a and the second support plate 361 can be greater than the radius of curvature R4 at the boundary region between the first spacer connecting portion 356a and the first support plate 351. The radius of curvature R3 at the boundary region between the first spacer 366a and the second support plate 361 can be twice or more than the radius of curvature R4 at the boundary region between the first spacer connecting portion 356a and the first support plate 351.

[0123] Figure 16 The second rod is shown. (Reference) Figure 16The second spacer 366b can pass through the second holes 32s12, 32s22, and 32s32 formed in each of the plurality of pieces 32s1, 32s2, and 32s3 to connect to the second spacer connecting portion 356b. When the second spacer 366b is connected to the second spacer connecting portion 356b, the second spacer 366b supports the second piece 32s2. On the other hand, the second spacer 366b and the second spacer connecting portion 356b are spaced apart from the first piece 32s1 and the third piece 32s3. Thus, the second rod supports the second piece 32s2 but does not support the first piece 32s1 and the third piece 32s3. The length of the second spacer 366b is greater than the length of the second spacer connecting portion 356b. A portion of the second spacer 366b can be inserted into the second spacer connecting portion 356b. For example, the second spacer connecting portion 356b can be formed in a cylindrical shape. The outer diameter Dd1 of the second spacer connecting portion 356b can be greater than the maximum diameter De3 of the second spacer 366b. As the distance from the first support plate 351 increases, the outer diameter Dd1 of the second spacer connecting portion 356b can decrease. The inner diameter Dd3 of the second spacer connecting portion 356b can be the same as the diameter of a portion of the second spacer 366b. The diameter Dd2 of the inlet of the second spacer connecting portion 356b can be greater than the inner diameter Dd3 of the second spacer connecting portion 356b, allowing the second spacer 366b to be easily inserted into the second spacer connecting portion 356b. In other words, a portion of the inner circumferential surface of the second spacer connecting portion 356b can have an inner diameter that increases towards the inlet. Due to the change in inner diameter, a portion of the inner circumferential surface of the second spacer connecting portion 356b relative to the vertical line ( Figure 13The line in the Y-axis direction is inclined at a third angle. By designing the shape of the second spacer connecting portion 356b, the mold can be easily separated from the second spacer connecting portion 356b during the injection molding process of the first support 350b. The second spacer 366b may include a second portion 366b2 extending from the second support plate 361 and a first portion 366b1 extending from the second portion 366b2 and having a diameter smaller than that of the second portion 366b2. Due to the diameter difference between the first portion 366b1 and the second portion 366b2, a stepped portion 366b3 can be formed between the first portion 366b1 and the second portion 366b2. The length of the second portion 366b2 is shorter than the length of the first portion 366b1. The length of the first portion 366b1 is longer than the length of the second spacer connecting portion 356b. The first portion 366b1 can be press-fitted into the second spacer connecting portion 356b. When the first portion 366b1 is inserted into the second spacer connecting portion 356b, the second spacer connecting portion 356b can be spaced apart from the step portion 366b3. The diameter De2 (minimum diameter) of the point in the second portion 366b2 adjacent to the first portion 366b1 is smaller than the diameter De3 (maximum diameter) of the point adjacent to the second support plate 361. For example, the diameter of the second portion 366b2 can decrease towards the second spacer connecting portion 356b. Due to the change in the diameter of the second portion 366b2, the outer peripheral surface of the second portion 366b2 relative to the vertical line ( Figure 13The extension line along the Y direction is inclined at a fourth angle. In this case, the fourth angle is smaller than the third angle. The fourth angle can be smaller than the second angle. The diameter De2 of the point in the second part 366b2 adjacent to the first part 366b1 is larger than the diameter De1 of the first part 366b1. The diameter of the first part 366b1 can decrease with increasing distance from the second part 366b2. Alternatively, the first part 366b1 can include: a first part whose diameter decreases with increasing distance from the second part 366b2; and a second part that extends from the first part and has a constant diameter. In this case, the second part can be connected to the second spacer connecting portion 356b. Alternatively, the first part 366b1 as a whole can have a constant diameter. By designing the shape of the second spacer 366b, the mold can be easily separated from the second spacer 366b during the injection molding process of the second support 360b. The minimum diameter De2 of the second part 366b2 is larger than the inner diameter Dd3 of the second spacer connecting portion 356b. The minimum diameter De2 of the second part 366b2 can be equal to, greater than, or less than the diameter Dd2 of the inlet of the second spacer connecting part 356b. The maximum diameter De3 of the second part 366b2 is less than the outer diameter Dd1 of the second spacer connecting part 356b. The diameter of the second hole 32s22 of the second piece 32s2 is greater than the diameter De1 of the first part 366b1 and less than the minimum diameter De2 of the second part 366b2. Thus, the stepped portion 366b3 of the second spacer 366b can support the second piece 32s2. The diameters of the second holes 32s22 and 32s32 of the first piece 32s1 and the third piece 32s3 are greater than the outer diameter Dd1 of the second spacer connecting part 356b. Thus, the first piece 32s1 and the third piece 32s3 are spaced apart from the second spacer 366b and the second spacer connecting part 356b. Thus, in addition to supporting the second piece 32s2 via the second rod, heat conduction between the second rod and the first piece 32s1, and between the second rod and the third piece 32s3, can be prevented when the first piece 32s1 and the third piece 32s3 are separated from the second rod. The length and outer diameter Dd1 of the second spacer connecting portion 356b can be greater than the thickness of the first support plate 351. The length and diameter De3 of the second spacer 366b can be greater than the thickness of the second support plate 361. The diameter De1 of the first portion 366b1 can be greater than the thickness of the second support plate 361.

[0124] Figure 17 The third rod is shown. (Reference) Figure 17The third spacer 366c can pass through the third through holes 32s13, 32s23, and 32s33 formed in each of the plurality of plates 32s1, 32s2, and 32s3 to connect to the third spacer connecting portion 356c. With the third spacer 366c connected to the third spacer connecting portion 356c, the third spacer 366c supports the third plate 32s3. On the other hand, the third spacer 366c and the third spacer connecting portion 356c are spaced apart from the first plate 32s1 and the second plate 32s2. Thus, the third spacer supports the third plate 32s3 but does not support the first plate 32s1 and the second plate 32s2. The length of the third spacer 366c is greater than the length of the third spacer connecting portion 356c. A portion of the third spacer 366c can be inserted into the third spacer connecting portion 356c. For example, the third spacer connecting portion 356c can be formed as a cylinder. The outer diameter of the third spacer connecting portion 356c can be greater than the maximum diameter of the third spacer 366c. The outer diameter of the third spacer connecting portion 356c can decrease as the distance from the first support plate 351 increases. The inner diameter of the third spacer connecting portion 356c can be the same as the diameter of a portion of the third spacer 366c. The diameter of the inlet of the third spacer connecting portion 356c is larger than the inner diameter of the third spacer connecting portion 356c, so that the third spacer 366c can be easily inserted into the third spacer connecting portion 356c. In other words, a portion of the inner circumferential surface of the third spacer connecting portion 356c can have an inner diameter that increases toward the inlet. Due to the change in inner diameter, a portion of the inner circumferential surface of the third spacer connecting portion 356c relative to the vertical line (along...) Figure 13 The line in the Y-axis direction is inclined at a fifth angle. By designing the shape of the third spacer connecting portion 356c, the mold can be easily separated from the third spacer connecting portion 356c during the injection molding process of the first support 350b. The third spacer 366c can be formed such that its diameter generally decreases with increasing distance from the second support plate 361. A portion of the third spacer 366c can be press-fitted into the third spacer connecting portion 356b. Alternatively, the third spacer 366c may include: a first portion whose diameter decreases with increasing distance from the second support plate 361; and a second portion extending from the first portion and having a constant diameter. In this case, the second portion can be press-fitted into the third spacer connecting portion 356c. By designing the shape of the third spacer 366c, the mold can be easily separated from the third spacer 366c during the injection molding process of the second support 360b. Due to the change in the diameter of the third spacer 366c, the outer peripheral surface of the third spacer 366c is relatively perpendicular to the vertical line (along the Y-axis direction). Figure 13The extension line in the Y direction is inclined at a sixth angle. In this case, the sixth angle is less than the fifth angle. The sixth angle can be less than the fourth angle. The maximum diameter of the third spacer 366c can be less than the maximum diameter of the first spacer 366a. The maximum diameter of the second spacer 366b can be greater than the maximum diameter of the first spacer 366a. The diameter of the third hole 32s33 of the third piece 32s3 is greater than the minimum diameter of the third spacer 366c and less than the maximum diameter of the third spacer 366c. In this case, the diameter of the third hole 32s33 of the third piece 32s3 is approximately the maximum diameter of the third spacer 366c. Thus, the third piece 32s3 can be supported by the outer peripheral surface of the third spacer 366c at a position adjacent to the second support plate 361. The diameter of each of the third holes 32s13 and 32s23 of the first piece 32s1 and the second piece 32s2 is greater than the outer diameter of the connecting portion 356c of the third spacer. Thus, the first piece 32s1 and the second piece 32s2 are spaced apart from the third spacer 366c and the connecting portion 356c of the third spacer. In this way, except that the third piece 32s3 is supported by the third rod, heat conduction between the third rod and the first piece 32s1, and between the third rod and the second piece 32s2, can be prevented when the first piece 32s1 and the second piece 32s2 are separated from the third rod. The length and outer diameter of the connecting portion 356c of the third spacer can be greater than the thickness of the first support plate 351. The length and diameter of the third spacer 366c can be greater than the thickness of the second support plate 361.

[0125] Figure 18 The fourth lever is shown. (Reference) Figure 18 The third spacer 366c can pass through the fourth holes 32s14, 32s24, and 32s34 formed in each of the plurality of plates 32s1, 32s2, and 32s3 to connect to the first spacer connecting portion 356a. When the third spacer 366c is connected to the first spacer connecting portion 356a, the third spacer 366c does not support the first to third plates 32s1, 32s2, and 32s3. In other words, the third spacer 366c and the first spacer connecting portion 356a are spaced apart from the first plates 32s1 to 32s3. Therefore, the fourth rod does not support the first to third plates 32s1, 32s2, and 32s3. The diameters of the fourth holes 32s14, 32s24, and 32s3 of the first to third plates 32s1, 32s2, and 32s3 are larger than the outer diameter of the first spacer connecting portion 356a. Since the structure of the third spacer 366c and the connecting portion 356a of the first spacer has already been described above, its detailed description will be omitted.

[0126] Figure 19 This is a view showing the distribution structure disposed in the second support member of the injection molding process. Figure 20 This is a plan view showing the second support member. Figure 21 It is along Figure 20 The view captured by line 21-21, and Figure 22 It is along Figure 20 The view captured by line 22-22.

[0127] refer to Figures 19 to 22 The first support member 350b and the second support member 360b can be injection molded as described above. The first support member 350b can be manufactured by creating a first mold having a first space for generating the first support member 350b, and then injecting injection liquid into the first space to harden the injection liquid. Similarly, the second support member 360b can be manufactured by creating a second mold having a second space for generating the second support member 360b, and then injecting injection liquid into the second space to harden the injection liquid. Thus, since the spacer connecting portion of the first support member 350b and the spacer of the second support member 360b are important components for maintaining the shape of the vacuum space, the spacer connecting portion of the first support member 350b and the spacer of the second support member 360b must be manufactured with accurate dimensions, and the dimensional tolerance of the spacer connecting portion or the spacer should be minimized. For this purpose, in this embodiment, the structure for injecting and dispensing injection liquid into the molds forming each of the first support member 350b and the second support member 360b can be arranged at a position spaced apart from the spacer or spacer connecting portion. For example, the mold gate for injecting the injection liquid into each mold can be located at positions corresponding to through holes 352 and 362 in each of the supports 350b and 360b. When the mold gate is located at positions corresponding to through holes 352 and 362, the mold can include: a mold distribution portion for distributing the injection liquid injected through the mold gate to a first space or a second space; and a mold bridge for connecting the mold distribution portion to the first space and the second space. If the mold gate for injecting the injection liquid is located at a position corresponding to a spacer 366 or a spacer connecting portion 356 in the mold, a potential disadvantage is the height tolerance between the spacer or spacer connecting portion formed at a position corresponding to the mold gate and the spacer or spacer connecting portion formed at a position not corresponding to the mold gate. On the other hand, according to the present invention, this problem can be solved.

[0128] When the mold is removed after the injection of the liquid is completed, the first support 350b and the second support 360b will be included in the support gate, support distribution portion and support bridge (respectively) of the mold gate, mold distribution portion and mold bridge. In the following text, the support gate, support distribution portion and support bridge will be collectively referred to as the distribution structure.

[0129] Since the shape of the distribution structure can be the same as that of the first support member 350b and the second support member 360b, and the position of the distribution structure can be the same as or symmetrical to the positions of the first support member 350b and the second support member 360b, only the distribution structure formed on the second support member 360b is described below. Each of the first support member 350b and the second support member 360b can be connected to each other with or without removing part or all of the distribution structure. The distribution structure may include a support member distribution portion 368 and a plurality of support member bridges 367 extending radially from the support member distribution portion 368. The support member distribution portion 368 may be located in a through hole 362. A through hole 362 may be defined by a pair of parallel first extension portions 361a1 and 361a2 and a pair of parallel second extension portions perpendicular to the pair of first extension portions 361a1 and 361a2. Since each end portion of the pair of second extensions 361b1 and 361b2 is connected to each end portion of the pair of first extensions 361a1 and 361a2, the pair of first extensions 361a1 and 361a2 and the pair of second extensions 361b1 and 361b2 can form a through hole 362 with a generally rectangular shape. Spacers 366 can be provided at the connection portion of each of the pair of first extensions 361a1 and 361a2 and each of the pair of second extensions 361b1 and 361b2. Thus, the support distribution portion 368 is spaced apart from the spacers 366.

[0130] During the injection molding process, the support gate can protrude from the support distribution portion 368. The structure of the support gate will be described later. Figure 29 and Figure 30 Describe it.

[0131] For example, the support distribution portion 368 may be formed in a disc shape. For example, a plurality of support bridges 367 may be arranged symmetrically with respect to the support distribution portion 368. The plurality of support bridges 367 may be arranged at equal intervals along the circumference of the support distribution portion 368. For example, two support bridges may be connected to each of the pair of first extensions 361a1 and 361a2, or to each of the pair of second extensions 361b1 and 361b2. Alternatively, to facilitate the dispensing of injection fluid to each of the pair of first extensions 361a1 and 361a2 and the pair of second extensions 361b1 and 361b2, four support bridges 367 may extend from the support distribution portion 368 to connect to each of the extensions 361a1, 361a2, 361b1, and 361b2. For example, the four support bridges 367 may be arranged at 90-degree intervals. In this configuration, the injected liquid can flow evenly into the spaces corresponding to each extension portion in the mold, thus improving injection uniformity. The width of the support bridge 367 can be greater than the diameter of the spacer 366. The support bridge 367 can include a first portion 367a1 to a third portion 367a3. The third portion 367a3 can extend horizontally from the support distribution portion 368. The second portion 367a2 can extend from the third portion 367a3 and can have a thickness thinner than that of the third portion 367a. The first portion 367a1 can extend from the second portion 367a and can connect to the extension portions 361a1, 361a2, 361b1, and 361b2. The thickness of the third portion 367a3 can be constant. The thickness of the second portion 367a2 can decrease from the third portion 367a3 toward the first portion 367a1. The thickness of the first portion 367a1 can be constant. The thickness of the first portion 367a1 can be thinner than the thickness of the extension portions 361a1, 361a2, 361b1, and 361b2. In this case, the dispensing structure can be easily removed when the first portion 367a1 is cut. The thickness of the third portion 367a3 can be the same as or similar to the thickness of each of the extension portions 361a1, 361a2, 361b1, and 361b2 to prevent interference with the radiation shield. Each mold may also include a mold storage portion for storing the injection liquid near the mold dispensing portion. Thus, after injection molding is completed, the dispensing structure may also include a support storage portion 368a. The support storage portion 368a can protrude from the support dispensing portion 368. When viewed from the longitudinal direction of the spacer 366, the support storage portion 368a can be formed as a circle. For example, the support storage portion 368a can be formed as a cylinder or a truncated cone. In this case, the protruding direction of the support storage portion 368a can be opposite to the support gate for injecting the injection liquid.During the injection molding process, when liquid injection is delivered into the mold through the mold gate, a portion of the liquid injection is distributed in the mold distribution section, while another portion can be temporarily stored in the mold storage section. During injection molding, the high-temperature, high-pressure liquid injection is supplied to the mold, where the mold storage section temporarily stores the liquid injection to momentarily reduce its flow rate, allowing the liquid injection to flow stably through the mold bridge (acting as a damper). Thus, after injection molding is complete, the liquid injection stored in the mold storage section is solidified to form a support storage section 368a in the distribution structure. The diameter of the support storage section 368a can be smaller than the diameter of the support distribution section 368. The diameter of the support storage section 368a is smaller than the distance between the spacers 366. The diameter of the support storage section 368a can be larger than the width of the bridge 367. When removing the distribution structure from either the first support 350b or the second support 360b, a portion or all of the support storage portion 368a is removed, or a portion or all of the support bridge 367 is cut, thus allowing the removal of the storage portion 368a, the distribution portion 368, and the support bridge 367. Furthermore, when both supports 350b and 360b include multiple distribution structures, two adjacent distribution structures can be designed within 10 pitches. In this case, one pitch refers to the distance between two adjacent rods.

[0132] Figure 23 This is a view showing the distribution structure of the second support member according to another embodiment, and Figure 24 It is along Figure 23 The cross-sectional view taken from line 24-24.

[0133] This embodiment is consistent with the reference in other parts. Figures 19 to 22 The described allocation structure is the same, but the shape of the bridge differs. Therefore, only the characteristic parts of this embodiment will be described below.

[0134] refer to Figure 23 and Figure 24 The support bridge 367b of this embodiment may include a second portion 367b2 extending from the support distribution portion 368, and a first portion 367b1 extending from the second portion 367b2 and connected to the extension portions 361a1, 361a2, 361b1, and 361b2. The thickness of the second portion 367b2 may be the same as the thickness of the support distribution portion 368. The thickness of the first portion 367b1 may decrease from the support distribution portion 368 toward the extension portions 361a1, 361a2, 361b1, and 361b2. According to this structure, the first portion 367b can be easily cut.

[0135] Figure 25This is a view showing the distribution structure of the second support member according to another embodiment, and Figure 26 It is along Figure 25 The cross-sectional view taken from line 26-26.

[0136] This embodiment is consistent with other parts and references. Figures 19 to 22 The described allocation structure is the same, but the shape of the bridge differs. Therefore, only the characteristic parts of this embodiment will be described below.

[0137] refer to Figure 25 and Figure 26 In this embodiment, the support bridge 367b can have a constant thickness in the longitudinal direction. For example, the thickness of the support bridge 367b can be the same as the thickness of the distribution portion 368. The thickness of the support bridge 367b can also be the same as the thickness of the extension portions 361a1, 361a2, 361b1, and 361b2. With this structure, the injection liquid can flow smoothly towards the extension portions through the mold bridge.

[0138] Figure 27 This is a view showing the distribution structure of the second support member according to another embodiment.

[0139] refer to Figure 27 In this embodiment, the allocation structure may not include the support storage portion. The allocation structure may then include a support allocation portion 368 and a support bridge 367.

[0140] Figure 28 This is a view illustrating the distribution structure of the second support member according to another embodiment. This embodiment is consistent with the reference in other parts. Figures 19 to 22 The distribution structure is the same, but the shape of the support storage section differs. Therefore, only the characteristic parts of this embodiment will be described below.

[0141] refer to Figure 28 The distribution structure of this embodiment may include a support member storage portion 368a1 protruding from the support member distribution portion 368. In this case, the protruding direction of the support member storage portion 368a1 is opposite to the extending direction of the spacer 366.

[0142] Figure 29 This is a view showing the support gate in the distribution structure with the first and second supports connected. This embodiment is similar to the reference in other parts. Figures 19 to 22 The distribution structure is described in the same way, but the location of the support gate is shown in more detail.

[0143] refer to Figure 29In this embodiment, for example, the support gate 369 of the distribution structure may extend from the second support 360b in a direction opposite to the extending direction of the spacer 366. In this case, the diameter of the support gate 369 may be smaller than that of the second support 360b. Figure 19 The diameter of the support member storage portion 368a. The diameter of the support member gate 369 can be larger than the diameter of the spacer 366. To facilitate injection of the injection liquid, the diameter of the mold gate can increase towards the mold distribution portion. Correspondingly, the diameter of the support member gate 369 can increase towards the support member distribution portion 368. In other words, the outlet diameter of the support member gate 369 can be larger than its inlet diameter. Multiple support member gates 369 can be provided for rapid distribution of the injection liquid. In this case, multiple support member gates 369 are provided at spaced-out positions, and the extension direction of each support member gate 369 is the same. The injection direction of the injection liquid at the mold gate is the same. When the support member gate 369 in the second support member 360b extends in the opposite direction to the extension direction of the spacer 366, the support member gate 369 does not interfere with the radiation shield when the second support member 360b and the first support member 350b are connected. Thus, the support member gate 369 can be used without removing it. Of course, the support gate can be removed depending on the location of the support. Furthermore, when the support gate 369 in the second support 360b extends in the opposite direction to the extension direction of the spacer 366, injection can be performed with a small injection pressure. This also applies to the support gate of the first support 350b as described above.

[0144] Figure 30 This is a view illustrating another example of a gate in a distribution structure with the first and second supports connected. This embodiment differs from others in other aspects. Figure 29 They are the same, but differ in the location of the gate in the support component.

[0145] refer to Figure 30 In this embodiment, for example, the support gate 369a of the distribution structure can extend from the second support 360b in the same direction as the extending direction of the spacer 366. In this case, the diameter of the support gate 369a can be smaller than that of the second support 360b. Figure 19The diameter of the storage section 368a. The diameter of the support gate 369a can be larger than the diameter of the spacer 366. To facilitate the injection of the liquid, the diameter of the mold gate can increase towards the mold distribution section. Accordingly, the diameter of the gate 369a can increase towards the support distribution section 368. In other words, the outlet diameter of the gate 369a can be larger than the inlet diameter. Multiple support gates 369a can be provided for rapid distribution of the liquid. In this case, multiple support gates 369a can be provided at spaced-out positions, and the extension direction of each support gate 369a is the same. In the mold, at the mold gate, the injection direction of the liquid is the same. When the support gate 369a in the second support 360b extends in the same direction as the extending direction of the spacer 366d, the support gate 369 can be removed while the second support 360b and the first support 350b are connected to prevent interference between the support gate 369 and the plurality of pieces 32s1, 32s2, and 32s3. Alternatively, holes for the gate 369a to pass through can be additionally formed on each of the pieces 32s1, 32s2, and 32s3. When the support gate 369a is not removed, its protruding length can be less than the length of the spacer 366. When the support gate 369a is not removed, it can be used to support a spherical structure. In the above embodiments, it has been described that the support gate and the support distribution portion exist separately, but alternatively, at least a portion of the support distribution portion can be the support gate.

Claims

1. A vacuum insulation body, comprising: First board; Second board; A seal is configured to seal the first plate and the second plate to provide a vacuum space; as well as The support element is configured to maintain the vacuum space. The support member includes: A first support member has a first support plate and multiple spacer connecting portions. The first support plate is formed in a grid shape, and the multiple spacer connecting portions protrude from the first support plate. A second support member has a second support plate and a plurality of spacers. The second support plate is formed in a grid pattern. The plurality of spacers protrude from the second support plate and are connected to each of the spacer connection portions to form a plurality of rods together with the spacer connection portions. The radiation-resistant sheet is supported by a portion of the plurality of rods and spaced apart from at least one of the first support plate and the second support plate. Each of the first and second support plates includes multiple through holes. The distribution structure, formed after the injection molding of the first and second supports, is disposed in some of the plurality of through holes, and The distribution structure is located in the middle of the through hole.

2. The vacuum insulation body according to claim 1, One of the through holes is defined by a pair of first extensions and a pair of second extensions. The allocation structure includes: The support component distribution portion is located in the through hole, and The support bridge is configured to extend radially from the support distribution portion and connect to at least one of the pair of first extension portions and the pair of second extension portions.

3. The vacuum insulation body according to claim 2, The support member distribution portion is formed in a disc shape.

4. The vacuum insulation body according to claim 2, The distribution structure includes a plurality of support bridges arranged at equal intervals.

5. The vacuum insulation body according to claim 2, The distribution structure includes multiple support bridges, which are symmetrically arranged relative to the support distribution portion.

6. The vacuum insulation body according to claim 2, The thickness of the support bridge is equal to or less than the thickness of each support plate.

7. The vacuum insulation body according to claim 6, The thickness of at least a portion of the support bridge decreases toward the extension connected to the support bridge.

8. The vacuum insulation body according to claim 6, The width of the support bridge is greater than the diameter of the spacer.

9. The vacuum insulation body according to claim 2, The distribution structure further includes a support storage section protruding from the support distribution section.

10. The vacuum insulation body according to claim 9, The diameter of the storage portion of the support member is smaller than the distance between two adjacent rods.

11. The vacuum insulation body according to claim 9, The support storage portion is formed in the shape of a cylinder or a truncated cone.

12. The vacuum insulation body according to claim 9, The diameter of the support storage portion is smaller than the diameter of the support distribution portion.

13. The vacuum insulation body according to claim 9, The diameter of the support storage portion is larger than the diameter of each of the plurality of rods.

14. The vacuum insulation body according to claim 2, further comprising: The support gate is configured to protrude from the support distribution portion.

15. The vacuum insulation body according to claim 14, The diameter of the gate of the support member is larger than the diameter of each of the plurality of rods.

16. The vacuum insulation body according to claim 14, The diameter of the gate of the support member decreases as the distance from the distribution portion of the support member increases.

17. The vacuum insulation body according to claim 14, The extension direction of the support gate disposed in the second support is opposite to the extension direction of the spacer.

18. The vacuum insulation body according to claim 14, The extension direction of the gate of the support member disposed in the second support member is the same as the extension direction of the spacer member, and The length of the support gate is shorter than the length of the spacer.

19. The vacuum insulation body according to claim 1, When multiple allocation structures are set, multiple adjacent allocation structures are formed within 10 pitches, and One pitch refers to the distance between two adjacent rods.

20. The vacuum insulation body according to claim 1, One of the through holes is defined by a pair of first extensions and a pair of second extensions, and The spacer connection portion or the spacer is disposed at the intersection of the first extension portion and the second extension portion.

21. A vacuum insulation body, comprising: First board; Second board; A seal is configured to seal the first plate and the second plate to provide a vacuum space; as well as The support element is configured to maintain the vacuum space. The support member includes: A first support member has a first support plate and a plurality of spacer connecting portions, the first support plate being formed in a grid shape, and the plurality of spacer connecting portions protruding from the first support plate. A second support member has a second support plate and a plurality of spacers. The second support plate is formed in a grid pattern. The plurality of spacers protrude from the second support plate and are connected to each of the spacer connection portions to form a plurality of rods together with the spacer connection portions. The radiation-resistant sheet is supported by a portion of the plurality of rods and spaced apart from at least one of the first support plate and the second support plate. Each of the first support plate and the second support plate includes multiple through holes. The distribution structure, formed after the injection molding of the first and second supports, is disposed in some of the plurality of through holes. One of the through holes is defined by a first extension and a second extension, and The allocation structure includes: The support component distribution portion is located in the through hole; The support gate is configured to protrude from the support distribution portion; and The support bridge is configured to extend radially from the support distribution portion and connect to at least one of the first extension portion and the second extension portion.

22. A vacuum insulation body, comprising: First board; Second board; A vacuum space is defined between the first plate and the second plate, the second plate being spaced apart from the first plate in a first direction, so as to form the vacuum space between the first plate and the second plate; A support member is configured to retain the vacuum space and includes a through-hole. The support member includes a first extension extending in one direction and a second extension extending in a direction different from the first extension, such that the first extension and the second extension define the through-hole. A distribution structure is disposed in the through hole, the distribution structure including a support distribution portion located in the through hole. The support distribution portion includes a portion formed in the shape of a disc.

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