KR20130048528A - A refrigerator comprising a vacuum space - Google Patents

Abstract

PURPOSE: A refrigerator with a vacuum space is provided to form a vacuum space between an inner case and an outer case and to suppress heat transfer between the inner case and the outer case by the vacuum space to improve the insulation efficiency. CONSTITUTION: A refrigerator comprises a main body. The main body comprises an inner case(110), an outer case(120), a vacuum space(130), and radiation shields(210,220). A storage space is formed inside the inner case. The inner surface of the outer case is arranged to be separated from the outer surface of the inner case in a predetermined interval. The vacuum space is equipped between the inner case and the outer case and performs insulation effect between the inner case and the outer case by maintaining a vacuum condition. The radiation shield is arranged to be separated from the inner case and the outer case and reduce the transfer of radiation heat through the vacuum space.

Description

A refrigerator comprises a vacuum space

The present invention relates to a refrigerator having a vacuum space, and more particularly, to a refrigerator capable of improving a heat insulation function of a refrigerator by forming a vacuum space between an outer case and an inner case constituting a main body.

A refrigerator is an electric product that can store or store refrigerated products by keeping a temperature of a storage room at an image or below zero temperature using a refrigerant cycle.

The general configuration of the refrigerator includes a main body in which a storage space for storing a storage is formed, and a door disposed in the main body so as to be rotatable or slide-movable to open and close the storage space.

The main body includes an inner case in which a storage space is formed and an outer case in which the inner case is accommodated, and an insulating material is disposed between the inner case and the outer case.

It is suppressed that the temperature in a storage space is influenced by the external temperature by this heat insulating material.

The urethane foam is used a lot as the heat insulating material, the liquid urethane is injected into the space between the inner case and the outer case and foamed.

However, in order to realize the insulation effect using the insulation material, the thickness of the insulation material must be secured to some extent, which means that the insulation material becomes thicker, and naturally, the wall thickness between the inner case and the outer case becomes thicker, so that the size of the refrigerator It becomes bigger.

However, in recent years, the trend toward the compactness of the refrigerator has emerged, and the necessity of a structure capable of reducing the external size while increasing the volume of the internal storage space has emerged.

The present invention has been made to solve the above-mentioned problems, the object of the present invention is to provide a refrigerator capable of increasing the thermal insulation and compactness of the external volume by forming a vacuum space between the inner case and the outer case. have.

In addition, while a vacuum space is formed between the inner case and the outer case to provide a refrigerator having a support structure that can maintain the gap between the inner case and the outer case is not deformed by an external impact.

In addition, the present invention provides a refrigerator having a structure capable of minimizing radiant heat transfer through a vacuum space formed between an inner case and an outer case.

The refrigerator having a vacuum space unit of the present invention for achieving the above object comprises a main body having a storage space that can accommodate a predetermined storage, the main body, the inner case is formed with the storage space inward Wow; An outer case accommodating the inner case, the inner surface of the inner case being spaced apart from the outer surface of the inner case by a predetermined distance; A vacuum space portion provided between the inner case and the outer case, the inside of which is sealed and maintained in a vacuum state to perform a heat insulating action between the inner case and the outer case; It is characterized in that it comprises at least one radiation shielding film disposed in the vacuum space spaced apart from the inner case and the outer case to reduce the radiation heat transfer through the vacuum space.

The main body may include: a first support plate provided on at least one surface of the inner case and the outer case facing each other; A second support plate provided on at least one other surface of the inner case and the outer case facing each other and disposed to face the first support plate; It is preferable to further include a plurality of spacers fixed to the first support plate to support the gap between the inner case and the outer case.

In addition, the radiation shielding film preferably includes a plurality of through holes formed to pass through the plurality of spacers.

At least some of the plurality of spacers are preferably provided with a plurality of spacers for maintaining the gap between the first support plate and the radiation shielding film and between the radiation shielding film and the second support plate.

The radiation shielding film is provided in parallel with the two radiation shielding films spaced apart from each other in the vacuum space portion, the plurality of space keeping member is preferably provided on one surface and the other surface of the radiation shielding film.

Preferably, the plurality of spacing members are formed in a boss shape having a predetermined height and disposed on an outer circumferential surface of the spacer.

The diameter of the through hole of the radiation shielding membrane is preferably larger than the diameter of the spacer and smaller than the outer diameter of the spacer.

It is preferable that the plurality of space keeping members disposed between the pair of radiation shielding films are connected to each other by a connecting rib to form an integral set.

It is preferable that the plurality of gap holding members disposed between the radiation shielding film and the second support plate are connected to each other by a connecting rib to form an integral set.

Preferably, the plurality of gap keeping members disposed between the first support plate and the radiation shielding film disposed thereon are integrally formed with the spacers.

The spacing member is preferably formed to be inclined in its inner surface in order to minimize contact with the spacer to minimize heat transfer by conduction.

It is preferable that the connecting ribs of the integrated space holding member set are not in contact with the spacer, the radiation shielding film, and the second support plate.

The radiation shielding film is preferably made of an aluminum thin film.

The thickness of the radiation shielding film is preferably 0.05 ~ 0.30mm.

According to the above-described refrigerator of the present invention of the present invention, a vacuum space portion which is not a normal heat insulating material is formed between the inner case and the outer case, and heat insulation between the inner case and the outer case is suppressed by the vacuum space portion. Work is done.

Since the thermal insulation effect in the vacuum state is remarkably superior to the thermal insulation effect by the conventional thermal insulator, the refrigerator according to the present invention has the advantage that the thermal insulation is superior to the conventional refrigerator.

On the other hand, in the case of the vacuum space portion, the insulation is maintained as long as the vacuum state is maintained irrespective of its thickness (gap between the inner case and the outer case), but in the case of a normal insulation material, in order to increase the insulation effect, the thickness of the insulation material must be thickened. An increase in thickness leads to an increase in the size of the refrigerator.

Therefore, the refrigerator according to the present invention can reduce the size of the outer case portion while maintaining the same storage space as compared with the conventional refrigerator, thereby contributing to the compactness of the refrigerator.

In addition, according to the refrigerator of the present invention, a radiation shielding film is provided between the inner case and the outer case to prevent radiant heat transfer, thereby minimizing not only heat transfer by conduction or convection but also heat transfer by radiation. .

In addition, according to the refrigerator of the present invention, while the vacuum space is formed between the inner case and the outer case, the inner case and the outer case can maintain the gap without being deformed by an external impact.

The workability is improved by providing a structure which can easily assemble the inner case and the outer case forming the vacuum space and one or more components such as one or more radiation shielding films and spacers therebetween.

1 is a perspective view showing an example of a refrigerator according to the present invention.
2 is a partially cutaway perspective view illustrating an inner case and an outer case and various parts therebetween in the refrigerator according to the present invention.
FIG. 3 is a perspective view illustrating assembling the first support plate and the spacer and the second support plate in FIG. 2.
4 is a perspective view illustrating a space keeping member provided in a portion of a plurality of spacers formed in the first support plate of FIG. 2.
5 is a perspective view illustrating the radiation shielding film of FIG. 2.
6 is a perspective view illustrating a set of space keeping members which are integrally formed by connecting a plurality of space keeping members.
7 is a perspective view showing that two spacers are provided in one spacer.
8 is a cross-sectional view showing that one spacer is provided with two spacers in one spacer.
9 is a perspective view from the top to show a relative positional relationship with adjacent spacers of the space keeping member set.
10 is a partial cutaway cross-sectional view illustrating an inner case and an outer case and various components therebetween.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 shows an example of a refrigerator according to the present invention. 2 is a partial cutaway perspective view showing an inner case and an outer case and various parts therebetween in the refrigerator according to the present invention.

As shown in FIG. 1, the refrigerator according to the present invention includes a main body 1 in which a storage compartment is formed, a first door 4 rotatably provided on the left side of the main body 1, and the main body 1. It includes a second door (5) rotatably provided on the right side of the.

Here, the first door 4 opens and closes the freezing compartment in the storage compartment, and the second door 5 functions to open and close the refrigerating compartment in the storage compartment, but the present invention is not limited to the refrigerator having such a structure.

That is, the refrigerator of FIG. 1 is a so-called side-by-side type refrigerator in which a freezer compartment is disposed on the left side and a refrigerating compartment is disposed on the right side. However, the refrigerator of the present invention is any type of a refrigerator compartment and a freezer compartment. It can be applied to the refrigerator. In addition, in addition to the refrigerator or a freezer compartment and a freezer compartment provided with only a refrigerating compartment or a freezing compartment, the present invention may be applied to a refrigerator further comprising a separate cooling compartment.

Looking at the structure of the main body (1), the inner case 110 and the storage space is formed inside; An outer case 120 accommodated in the inner case and spaced apart from the inner case by a predetermined distance; A vacuum space portion 130 provided between the inner case and the outer case, the inside of which is sealed and maintained in a vacuum state to perform a heat insulating action between the inner case and the outer case; The vacuum space 130 includes one or more radiation blocking film 260 is disposed to be spaced apart from the inner case and the outer case to reduce the radiation heat transfer through the vacuum space.

The outer case 120 and the inner case 110 are disposed to be spaced apart from each other, a separate heat insulating material is not disposed in this space, it is maintained only in a vacuum to perform the heat insulating action.

That is, the vacuum space 130 is formed between the outer case 120 and the inner case 110, so that the medium that mediates heat transfer between the inner case 110 and the outer case 120 is removed. Keep it.

As a result, heat of hot air outside the outer case 120 may be prevented from being transferred to the inner case 110 and the inside thereof.

Meanwhile, FIG. 1 illustrates the inner case 110, the outer case 120, and the spacer 150 in a state where the first support plate 160 and the second support plate 170 are omitted for convenience.

The vacuum space 130 is preferably provided with one or more radiation shielding film 260 is disposed to be spaced apart from the inner case and the outer case to reduce heat transfer by radiation.

In order to prevent heat transfer by radiation in the vacuum space 130 formed between the outer case 120 and the inner case 110, the one or more radiation shielding films 260 are formed in the outer case 120 and the inner case. It is arranged to be spaced apart from the case 110, respectively.

The radiation blocking film 260 is a metal film having a low emissivity and serves to block radiant heat transfer.

BACKGROUND ART Conventionally, in the case of a thermos and the like using vacuum insulation, a technique of blocking radiant heat transfer by plating silver or copper on an inner surface thereof is known.

However, it is much better to arrange the radiation shielding film apart in the vacuum space portion as in the present invention than to plate or coat the metal in the vacuum space portion.

Therefore, in the present invention, the radiation shielding film 210 made of a metal thin film is disposed so as to be spaced apart from the outer case 120 and the inner case 110 in the vacuum space 130, respectively.

The radiation shielding film 210 is preferably made of an aluminum thin film.

Aluminum is cheaper than silver or copper, so the emissivity does not vary significantly with low manufacturing costs.

In addition, the thickness of the radiation shielding film 210 is preferably 0.05 ~ 0.30mm.

The radiation shielding film 210 should be disposed so as to be spaced apart from the outer case 120 and the inner case 110, respectively, and should have a strength sufficient to withstand deformation due to its own weight or external impact.

Thus, when the radiation blocking film 210 has a thickness of 0.05 ~ 0.30mm it may have a strength that can maintain its shape by the spacers 150 to be described later.

A plurality of spacers to maintain the gap between the inner case 110 and the outer case 120 in order to maintain the shape of the vacuum space 130 between the inner case 110 and the outer case 120 A spacer 150 is preferably disposed between the inner case 110 and the outer case 120. The plurality of spacers 150 are arranged to support a plurality of spacers 150 so as to maintain a gap between the inner case 110 and the outer case 120.

The plurality of spacers 150 are to be fixed between the inner case 110 and the outer case 120, a structure for fixing the plurality of spacers 150 is the first support plate 160 Is placed on.

The first support plate 160 may be provided to be in contact with any one surface of the inner case 110 and the outer case 120 facing each other.

In FIG. 2, the first support plate 160 is disposed to contact the outer surface of the inner case 110, but the first support plate 160 may be disposed to contact the inner surface of the outer case 120.

The main body 1 further includes a second support plate 170 provided on any other surface of the inner case 110 and the outer case 120 facing each other and disposed to face the first support plate. desirable.

In the embodiment of Figure 2, the second support plate 170 is disposed to contact the inner surface of the outer case 120, the plurality of spacers 150 is fixed to the first support plate 160 is first The first supporting plate 160 and the second supporting plate 170 are maintained to maintain a gap.

Since the first support plate 160 is in contact with the outer surface of the inner case 110, and the second support plate 170 is in contact with the inner surface of the outer case 120, the plurality of spacers 150 As a result, to maintain the gap between the inner case 110 and the outer case 120.

In the exemplary embodiment shown in FIG. 2, the second support plate 170 is disposed to be spaced apart from the first support plate 160 by a predetermined distance. However, the plurality of spacers 150 are integrally fixed to the first support plate ( Only 160 may be provided between the inner case 110 and the outer case 120.

When the second support plate 170 is absent, the end portions of the plurality of spacers 150 may be disposed to directly contact the inner surface of the outer case 120.

Meanwhile, in FIG. 1, the first support plate 160 and the second support plate 170 are omitted for convenience.

Returning to the case where the second support plate 170 is also provided, the second support plate 170 includes a plurality of grooves 175 formed to insert end portions of the plurality of spaces 150 on the inner surface thereof. desirable.

The plurality of grooves 175 formed on the second support plate 170 may be disposed on the spacers 150 when the second support plate 170 is poked in the plurality of spaces 150 formed integrally with the first support plate 160. Ensure that the relative position relative to

Since the inner case 110 and the outer case 120 forming the main body 1 should form a vacuum space 130 therebetween, for example, an inner case forming one side of the main body 1 ( 110 and the outer case 120 should be formed integrally with each other to have a size corresponding to the size of one side.

On the other hand, the first support plate 160 and the second support plate 170 produces a unit having a predetermined size smaller than the inner case 110 and the outer case 120, and then the first support plate 160 and A plurality of sets of the second support plate 170, which are assembled to face each other with the spacer 150 interposed therebetween, may be manufactured and inserted between the inner case 110 and the outer case 120 to be assembled.

Of course, the first support plate 160 and the second support plate 170 may be manufactured and assembled to the same size as the inner case 110 and the outer case 120.

2 shows only a part of the stack structure in order to show the assembly structure between the inner case 110 and the outer case 120 as described above.

Therefore, it will be understood that the assembly structure from the first supporting plate 160 to the second supporting plate 170 is assembled and inserted between the inner case 110 and the outer case 120.

Next, the structure and assembly method of the first support plate and the spacer, the space keeping member, the radiation shielding film, and the second support plate will be described in more detail with reference to FIGS. 3 to 5.

3 is a perspective view illustrating assembling a first support plate and a spacer and a second support plate, and FIG. 4 is a perspective view illustrating a space keeping member provided in a portion of a plurality of spacers formed in the first support plate of FIG. 2, and FIG. 5. Is a perspective view of the radiation shielding film of FIG. 2.

As shown, the plurality of spacers 150 are preferably arranged in a plurality of rows in the vertical and horizontal directions.

As shown in FIGS. 3 and 4, the plurality of spacers 150 integrally formed and arranged on the first support plate 160 are arranged in rows in the vertical direction and the left and right directions.

Thus, the plurality of spacers 150 are arranged in a plurality of rows, so that not only the design and the molding manufacturing are easy, but also the assembling work is easy, and the strength to withstand the vacuum pressure or external shock in the vacuum space 130 after assembly is increased. Can be larger.

In addition, end portions of the plurality of spacers 150 may have convex curved shapes.

By forming the end of the spacer 150 in a convex curved shape, the assembly work can be much easier because the end of each spacer 150 is easily seated in the groove 175 formed in the second support plate 170 during assembly. .

In addition, the plurality of grooves 175 of the second support plate 170 may have a concave curved shape corresponding to the shape of the plurality of spacers 150.

Since the plurality of grooves 175 of the second support plate 170 are formed in a shape corresponding to the shape of the plurality of spacers 150, the positioning of the second support plate 170 is easy after assembling and the second support plate 170 is not removed after assembly. It can be fixed so as not to move in a direction parallel to the surface.

The spacer 150, the first support plate 160, and the second support plate 170 may be made of any one of metal, ceramic, and reinforced plastic.

The spacer 150 is provided in the vacuum space 130 between the inner case 110 and the outer case 120, and the first support plate 160 and the second support plate 170 are the inner case 110. And contact with the outer case 120, respectively.

Therefore, heat transfer from the outside of the outer case 120 to the inside of the inner case 110 should be minimized, and external heat may be conducted through the second support plate 170, the spacer 150, and the first support plate 160. Can be.

Thus, the spacer 150, the first support plate 160, and the second support plate 170, which are provided to contact between the inner case 110 and the outer case 120, are each made of a low thermal conductivity metal, ceramic, or the like. , Preferably made of any one of reinforced plastics.

Among them, it is preferable to manufacture the spacer and the like made of a material having low thermal conductivity and excellent strength, and therefore, it may be more preferable to manufacture the ceramic or reinforced plastic rather than the metal having excellent strength but relatively high thermal conductivity.

As illustrated in FIG. 5, the radiation shielding film 210 includes a plurality of through holes 215 formed to pass through the plurality of spacers 150.

Since the plurality of through holes 215 pass through the plurality of spacers 150, the plurality of through holes 215 are formed at positions corresponding to the positions of the respective spacers 150.

Since the plurality of spacers 150 are arranged in a plurality of rows vertically and horizontally, the plurality of through holes 215 are also arranged in a plurality of rows vertically and horizontally.

At least a portion of the plurality of spacers 150 is provided with a plurality of gaps to maintain a gap between the first support plate 160 and the radiation shielding film 210 and between the radiation shielding film 210 and the second support plate 170, respectively. It is preferable that the holding member 250 is provided.

The plurality of spacers 250 may be provided in each of the plurality of spacers 150, but the radiation shielding film 210 made of a metal thin film and having a predetermined thickness may vary depending on material properties, Since it is not easily sag, the plurality of spacing members 250 are preferably provided and arranged only in a part of the plurality of spacers 150.

In addition, when the spacer 150 is provided in all the spacers 150, the possibility of conducting heat through the spacers 150 and the spacers 250 increases, so that only a part of the spacers 150 are provided. It is more preferable that the gap holding member 250 is provided.

The radiation shielding film is provided in parallel with two radiation blocking films 210 and 220 spaced apart from each other in the vacuum space part 130, and the plurality of gap keeping members 250 are formed on one surface of the radiation blocking films 210 and 220. It is preferable to be provided in the and other surfaces, respectively.

As shown in FIG. 2, a first support plate 160 and a second support plate 170 are disposed between the inner case 110 and the outer case 120, between the first support plate 160 and the second support plate 170. The structure including the spacer 150 and two radiation shielding membranes 210 and 220 are inserted.

As described above, the plurality of spacers 150 are integrally formed on the surface of the first support plate 160 so as to protrude in a row vertically and horizontally.

As shown in FIG. 4, the gap maintaining member 250 is disposed to be fitted to a portion of the plurality of spacers 150 formed on the first support plate 160.

The plurality of gap maintaining members 250 may be formed in a boss shape having a predetermined height and disposed on an outer circumferential surface of the spacer 150.

In contrast, the plurality of gap maintaining members 250 may be integrally formed with the spacer 150.

In this case, the gap maintaining member 250 integrally formed with the spacer 150 is disposed between the first support plate 160 and the first radiation blocking film 210 disposed thereon.

In the case of the space keeping member 260 (see FIG. 7) disposed between the two radiation blocking films 210 and 220, the radiation blocking film 210 should be able to be inserted into the plurality of spacers 150. And separately formed) will have to be assembled by inserting it into the spacer 150.

For convenience, it will be appreciated that in FIG. 2, only the space between the first supporting plate 160 and the first radiation shielding layer 210 disposed thereon is shown.

The diameter of the through hole 215 of the radiation blocking membranes 210 and 220 may be larger than the diameter of the spacer 150 and smaller than the outer diameter of the space keeping member 250.

Since the space keeping member 250 is a boss shape, ie, a hollow cylinder shape, to be fitted to the outer circumferential surface of the spacer 150, it must be greater than or equal to the diameter of the spacer 150.

In addition, since the spacer 150 must pass through the through hole 215, the diameter of the through hole 215 should be greater than or equal to that of the spacer 150.

Therefore, when the diameter of the through hole 215 is larger than the diameter of the spacer 150 and smaller than the outer diameter of the gap maintaining member 250, the spacer 150 may pass through the through hole 215. The radiation blocking film 210 may be supported by being caught on an upper surface of the gap maintaining member 250.

In addition, since the radiation blocking film 210 is not preferably in contact with the spacer 150 to prevent heat transfer by conduction, the diameter of the through hole 215 may be larger than the outer diameter of the spacer 150. Bigger is better

FIG. 5 illustrates a first radiation shielding film 210, and like the first radiation shielding film 210 illustrated in FIG. 5, the plurality of spacers 150 may penetrate through the first radiation shielding film 210. It will be appreciated that the through hole of is formed.

In addition, the plurality of space keeping members 260 disposed between the pair of radiation shielding films 210 and 220 may be connected to each other by a connecting rib 264 to form an integrated set.

In addition, the plurality of space keeping members 270 disposed between the second radiation shielding film 220 and the second support plate 170 may also be connected to each other by a connecting rib 274 to form an integral set.

FIG. 6 shows a first spacing member set 260 which is connected to each other to form an integral set, and FIG. 7 shows two spacing members set 260 and 270 fitted to one spacer 150. 8 is a cross-sectional view illustrating that one spacer 150 and one spacer set 260 and 270 are provided in one spacer 150.

The first spacing member 260 is integrally formed including a plurality of spacing members 262 arranged in rows up and down or left and right and connection ribs 264 provided on the side surfaces of the spacing members. It is preferable.

As shown in FIG. 6, the first space keeping member set 260 is connected to each other by one of twelve connecting ribs 264 of one side portion of the nine space keeping members.

The number of spacing members and connecting ribs that constitute one spacing member set may be formed differently from that shown in FIG. 6. For example, 16 spacing members may be integrally formed by being connected to each other by 24 connecting ribs.

In addition, a plurality of gap keeping members 260 disposed between the pair of radiation shielding films 210 and 220 and a plurality of gap maintaining members disposed between the second radiation shielding film 220 and the second support plate 170. 270 may be used separately from the gap maintaining member 250 disposed between the first support plate 160 and the first radiation shielding film 210.

However, assembling is preferably performed by combining the plurality of space keeping members 250, the first space maintaining members set 260, and the second space maintaining members set 270.

The gap maintaining members 262 and 272 are preferably formed to have an inner surface inclined to minimize contact with the spacer 150 to minimize heat transfer by conduction.

As best shown in the cross-sectional view of FIG. 8, the inner surfaces of the space keeping member 262 of the first space keeping member set 260 and the space keeping member 272 of the second space keeping member set 270 are below. It is formed to be inclined so that the diameter thereof becomes smaller.

Therefore, since the portion where the gap holding members 262 and 272 are in contact with the spacer 150 is only the lowermost part of the inner surface of the gap holding members 262 and 272, the gap holding member is separated from the spacer 150. The amount of heat transfer conducted to (262, 272) can be minimized.

In FIG. 8, in the case of the space keeping member 250 located below the three space keeping members, the diameter of the space maintaining member 250 is gradually inclined so that its diameter decreases as the outer surface goes downward.

This is to minimize the area of the portion where the gap maintaining member 250 is in contact with the first support plate 160.

However, the gap maintaining member 250 may also be formed to be inclined such that its diameter becomes smaller as the inner surface thereof goes downward.

In addition, the inclined direction may also be formed to be inclined so that the diameter thereof becomes smaller as the inner surface of the gap holding member 250 is upward.

In addition, the inclination directions of the other space keeping members 262 and 272 may be formed to be inclined upward as well as downward.

In addition, the three spacing members 250, 262, and 272 may be assembled by combining differently formed inclined directions.

In addition, the connecting ribs 264 and 274 of the integrally spaced member set 260 and 270 do not come into contact with the spacer 150, the radiation shielding film 210 and 220, and the second support plate 170. It is preferred that it is made.

As shown in FIG. 7, the connecting ribs 264 and 274 are formed to be smaller than the heights of the gap holding members 262 and 272 and are connected to the middle height portions of the gap holding members 262 and 272.

Thus, the upper or lower surface of the gap maintaining members 262 and 272 is in contact with the radiation shielding film 210 and 220 or the second support plate 170, and the connection ribs 264 and 274 are not in contact with them. In this way, heat transfer by conduction can be minimized.

In addition, as shown in FIG. 9, the connecting ribs 264 and 274 of the space keeping member sets 260 and 270 are preferably disposed so as not to come into contact with other spacers 150 arranged around them.

In this way, the connecting ribs 264 and 274 are formed so as not to be in contact with other spacers 150 around them, so that the space keeping member sets 260 and 270 can be assembled to the plurality of spacers 150, and also conductive Heat transfer by can also be minimized.

Finally, a process of assembling the components of the refrigerator body of the present invention will be described.

The perspective view of FIG. 2 and the cross-sectional view of FIG. 10 illustrate the above-described inner case 110 and outer case 120 and components that are assembled and inserted therebetween.

First, as shown in FIG. 4, the space maintaining members 250 made of separate components are inserted into some of the plurality of spacers 150 integrally formed on the first support plate 160.

Thereafter, one of the radiation blocking films 210 of FIG. 5 is inserted such that the plurality of spacers 150 pass through the plurality of through holes 215. In this case, the radiation shielding film 210 is seated on the upper surface of the gap maintaining members 250.

Then, the first space keeping member set 260 is inserted into the plurality of spacers 150 to be seated on the radiation shielding film 210.

Again, the second radiation shielding layer 220 is inserted such that the plurality of spacers 150 pass through the plurality of through holes.

The second interval maintaining member set 270 is inserted thereon to be seated on the radiation shielding film 220.

Then, the second support plate 170 is covered so that the end portions of the plurality of spacers 150 are inserted into the groove portions 175 of the second support plate 170.

The spacer set assembly having the radiation shielding film assembled as described above is inserted into the vacuum space 130 between the inner case 110 and the outer case 120.

Since a plurality of spacer set assemblies are required to fill the vacuum space 130, the assembly of the refrigerator main body may be completed by continuously inserting those fabricated with appropriate values into the vacuum space 130.

According to the refrigerator according to the present invention, the operation of assembling a plurality of spacers into the vacuum space portion between the inner case and the outer case is very easy, and can have a structure that can sufficiently withstand the vacuum pressure, as well as the vacuum space It is possible to minimize the heat transfer by the radiation through the wealth, so the thermal insulation performance is very good.

Although the preferred embodiment of the present invention has been described above, the scope of the present invention is not limited only to this specific embodiment, and those skilled in the art are appropriately within the scope described in the claims of the present invention. Changes will be possible.

1: Body
4, 5: door
110: inner case
120: outer case
130: vacuum space part
150: Spacer
160: first support plate
170: second support plate
175: home
210: first radiation shield
215: through hole
220: second radiation shield
250: spacing member
260: first interval holding member set
262: spacing member
264: connecting rib
270: second interval holding member set
272: spacing member
274: connecting rib

Claims (14)

Including a body having a storage space that can accommodate a predetermined storage,
The main body includes:
An inner case in which the storage space is formed;
An outer case accommodating the inner case, the inner surface of the inner case being spaced apart from the outer surface of the inner case by a predetermined distance;
A vacuum space portion provided between the inner case and the outer case, the inside of which is sealed and maintained in a vacuum state to perform a heat insulating action between the inner case and the outer case;
And at least one radiation shielding film disposed in the vacuum space part to be spaced apart from the inner case and the outer case to reduce radiation heat transfer through the vacuum space part. The method of claim 1,
The main body includes:
A first support plate provided on at least one surface of the inner case and the outer case facing each other;
A second support plate provided on at least one other surface of the inner case and the outer case facing each other and disposed to face the first support plate;
And a plurality of spacers fixed to the first support plate to support a gap between the inner case and the outer case. The method of claim 2,
The radiation shielding film includes a plurality of through holes formed to pass through the plurality of spacers. The method of claim 2,
At least a portion of the plurality of spacers, characterized in that the refrigerator is characterized in that a plurality of interval maintaining members are provided to maintain the gap between the first support plate and the radiation shielding film and between the radiation shielding film and the second support plate. 5. The method of claim 4,
The radiation shielding film is provided in parallel with two radiation shielding films spaced apart from each other in the vacuum space,
The plurality of gap maintaining members are provided on one surface and the other surface of the radiation shielding film, respectively. 5. The method of claim 4,
The plurality of spacing member is formed in the form of a boss having a predetermined height, characterized in that disposed on the outer peripheral surface of the spacer. The method of claim 5,
The diameter of the through hole of the radiation shielding film is larger than the diameter of the spacer, characterized in that less than the outer diameter of the gap holding member. The method of claim 5,
And a plurality of gap maintaining members disposed between the pair of radiation shielding films are connected to each other by a connecting rib to form an integrated set. The method of claim 5,
And a plurality of space keeping members disposed between the radiation shielding film and the second supporting plate are connected to each other by a connecting rib to form an integrated set. The method of claim 5,
And a plurality of spacing members disposed between the first support plate and the radiation shielding film disposed thereon, the refrigerator being formed integrally with the spacer. The method of claim 5,
The gap maintaining member is a refrigerator, characterized in that the inner surface is inclined to minimize the contact with the spacer to minimize heat transfer by conduction. 10. The method according to claim 8 or 9,
The connecting rib of the integrally spaced holding member set is not in contact with the spacer, the radiation shielding film and the second support plate. The method of claim 1,
The radiation shielding film is a refrigerator, characterized in that the aluminum thin film. The method of claim 13,
Refrigerator, characterized in that the thickness of the radiation shielding film is 0.05 ~ 0.30mm.

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