KR20040099645A - muti-glass and show case utilizing the same - Google Patents

Abstract

PURPOSE: A pair-glass of a show case is provided to increase an adiabatic effect with a plurality of space layers and to interrupt a transfer of cool air. CONSTITUTION: The pair-glass of a show case comprises a plurality of spacers(34,35) interposed between edges of at least three transparent boards(31,32,33) stacked to be spaced from each other and defining spaces between the stacked transparent boards, a heater(40) mounted along the spacer defining at least one of the spaces, a bonding layer applied to the edges of the transparent boards and sealing the same, and hygroscopic materials(36,37) provided between the edges of the spacers or transparent boards and absorbing moisture from the space.

Description

Multi-Layered Viewing Window and Showcase Using It {muti-glass and show case utilizing the same}

The present invention relates to a multi-layer viewing window and a show case using the same. More particularly, the present invention relates to a multi-layer viewing window and a show case using the same, in which a condensation phenomenon and sexual activity are generated in the multi-layer viewing window installed in the show case.

In general, in selling products such as frozen or refrigerated foods, a show case having an open show case or a viewing window with an open top is used. Since the show case is supplied with cold air, which is relatively lower than the outside air misleading, the condensation may appear on the surface of the show window of the show case, and if the temperature of the cold air is relatively low as compared to the outside air, sex is caught.

In order to solve this problem, the technical configuration of the open case in which the projection window is installed is disclosed in Utility Model Registration No. 20-0148668.

The disclosed open show case has a wall surface of the open case formed vertically, and a glass fixture for fixing the outer windshield installed on the top of the wall is fitted on the top of the wall and the outer windshield is fitted on the top. A glass holding portion, a supporting portion for partitioning between the glass holding portions and supporting the lower end of the outer windshield, and a gap-holding protrusion for projecting from the lower side of the supporting portion to the inner side and being placed on the top of the wall to keep the top of the wall and the supporting portion separated from each other. The recess is formed in the side interruption portion is formed integrally with the heater insertion groove into which the dew condensation prevention heater is inserted.

Since the show case is provided with a heater, the show case cannot sufficiently heat the glass having low thermal conductivity.

Korean Patent Registration No. 10-0228516 discloses a multilayer glass.

The laminated glass is a glass laminated through a spacer, the spacer is a laminate of one or two or more sheets of a plate-like drying material having a protective layer to the moisture-absorbing layer disposed in the center and the moisture-permeable resin disposed on both sides, An inner surface of the glass plate has a configuration in which a transparent film heater positioned inside the spacer and having excellent heat ray reflectance is disposed.

The multilayer glass as described above has a problem in that the transparent film heater is installed on the inner surface of the glass so that the glass has a relatively low permeability, and the electric wire for supplying power to the film heater is exposed to the transparent region of the glass.

Korean Unexamined Utility Model No. 1991-0010694 discloses an anti-sexual apparatus for show cases.

The disclosed anti-fogging device includes a pair of glasses in which viewing windows are spaced apart from each other, a rectangular panel disposed in contact with each other between the glasses, a heater installed in the panel, and a sealant caulked between the glass and on the panel. . The anti-frosting device configured as described above has a complicated structure because the heater is embedded in a panel manufactured separately, and it is difficult to expect an improvement in efficiency due to gas heating of the space between the glasses.

Korean Patent Registration No. 10-0308650 discloses a door dew pants device of the show case.

As described above, the apparatus for preventing the deterioration of the glass or the viewing window of the conventional showcase is provided with a heater between a pair of glass plates or a heater is installed on the outside, so that the cold inside the product storage compartment is separated between two pieces of glass and the space therebetween. Since the outdoor air is partitioned at a relatively high temperature, the cold air is not completely blocked, and furthermore, there is a problem in that dew condensation or defrost occurs in an area not affected by the heater.

The present invention is to solve the above problems, has a plurality of space layer to improve the heat insulation effect, and has an object to provide a multi-layer viewing window to block the transmission of cold air by heating the partitioned space on one side. .

Another object of the present invention is to provide a show case having a multi-layered viewable window of at least one of the plurality of space layers.

1 is a partially cutaway perspective view showing a show case according to the present invention;

Figure 2 is an exploded perspective view of the multilayer viewing window shown in Figure 1,

3 is a plan view of a multilayer viewing window,

4 is a perspective view of a multi-layer viewing window showing the installation state of the spacer and the heater,

5 is a perspective view of a multi-layer viewing window showing another installation state of the spacer and the heater,

6 is a partially cutaway perspective view of another embodiment of a multilayer viewing window.

<Explanation of symbols for the main parts of the drawings>

10; Show case 20; Cold air supply

30; Duplex viewing window 40; heater

Multi-layer viewing window of the present invention for achieving the above object,

Spacers defining thermal insulation cut-offs between the laminated transparent plates interposed between at least three transparent plates stacked so as to be spaced apart from each other, and heating heaters installed along the spacers defining the at least one space; And a bonding layer applied between edges of the transparent plate members to seal the transparent plate member, and a moisture absorbent disposed at the edge between the spacer or the transparent plate member to absorb moisture from the space portion.

In the present invention, the spacer is made of a metal having high thermal conductivity and an inner space portion is formed in the longitudinal direction, and the moisture absorbent is installed in the inner space portion. The heater is formed of a line heater installed along an outer inner circumferential surface of the spacer, and a wire for applying power to the heater is positioned at a side positioned at a lower side thereof. The transparent plate may be made of glass.

Alternatively, the multi-layer viewing window for achieving the above object has an opening in which the internal space is partitioned by at least two partitions parallel to each other and partitioned by at least two partitions to form a thermal insulation space and communicates with the internal space. Branches include a viewing window body, a heater installed at the edge of the heat insulating space of one side partitioned by the diaphragm, sealing means for sealing the opening,

The sealing means includes a spacer inserted into the opening, a dehumidifying agent installed in the spacer, and an adhesive for sealing the opening provided with the spacer.

The show case for achieving the above object is a main body having a freezer compartment or a refrigerating compartment, cold air supply means for supplying cold air to the freezer compartment or the refrigerating compartment and installed in the main body, so as to see the inside of the freezer compartment or the refrigerating compartment or the freezing compartment And a multi-layer viewing window, wherein the multi-layer viewing window includes spacers defining spaces between the stacked transparent plate materials interposed at edges of at least three transparent plate materials stacked to be spaced apart from each other, and the at least one space. A heater disposed adjacent to the spacer to be defined, a bonding layer applied between the edges of the transparent plates to seal the transparent plate, and an absorbent disposed at the edge between the spacer or the transparent plate to absorb moisture from the space portion. Its features, including that.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of a multilayer viewing window and a show case using the multilayer viewing window according to the present invention will be described in detail with reference to the accompanying drawings.

The multi-layer viewing window according to the present invention has at least two heat insulating spaces and one side heat insulating space is provided with heating means for preventing condensation or freezing from occurring due to a temperature difference between cold and outside air. In the present invention, the multi-layer viewing window may be used in a show case, a refrigerator, and the like, and FIG. 1 shows a show case having the above-mentioned multilayer viewing window.

Referring to the drawings, a showcase 10 having a multilayer viewing window includes a main body 12 having a freezing compartment or a refrigerating compartment 11 for storing and displaying goods, and a freezing compartment or a refrigerating compartment 11 installed in the main body 12. Cold air supply means 20 for supplying cold air to the air is provided. The freezing compartment or the refrigerating compartment 11 is provided with a see-through window 30 so as to view the goods therein from the outside, the see-through window 30 is made of a side wall partitioning the refrigerating compartment 11 as shown in FIG. (11) can be installed in the body separately so that you can see the inside.

As described above, the viewing window 30, which can see the interior chamber 11 or the freezer compartment of the main body 12, is formed in a multiple layer in order to prevent condensation phenomenon or debris due to temperature difference between the cold compartment 12 or the freezer compartment. Is done.

As shown in FIGS. 2 to 4, the multilayer viewing window 30 according to the present invention is transparent to be laminated at an edge between at least three transparent plates 31, 32 and 33 stacked to be spaced apart from each other. Spacers 34 and 35 defining thermal insulation spaces between the plates 31, 32 and 33, a heater 40 installed adjacent to the spacer 35 defining the at least one space, Sealing means 50 is applied between the edges of the transparent plate material 31, 32, 33 to seal the transparent plate material. The transparent plate material may be made of glass or transparent synthetic resin material. The spacers 34 and 35 are formed by bending a plate-like member, and have an inner space portion in a longitudinal direction, and an absorbent agent 36 and 37 for absorbing moisture contained in a partitioned thermal insulation space in the inner space portion. Is installed. Here, the spacer is formed with a gap formed at both ends in the longitudinal direction on the side corresponding to the inner space, so that the moisture absorbent (36, 37) moisture from the heat insulating space between the transparent plate (31, 32, 33) And a separate adhesive layer (not shown) may be further provided on the spacers 35 and 36 in contact with the transparent plate material.

The heater 40 is installed at the edge of the heat insulating space formed by the transparent plate member 33 and the transparent plate member 32 corresponding to the side in contact with the refrigerating chamber 11, partitioned by the spacer 35 In the thermal insulation space and outside boundary. The heater 40 is installed along the outer side of the spacer 35 corresponding to the thermal insulation space partitioned by the transparent plate 32, 33. Here, the heater 40 is not positioned on the side of the multilayer viewing window 30, and an electric wire for applying power to the heater 40 may be located. The heater 40 may be formed of a coated heating wire in which the heating wire is coated with a synthetic resin, but is not limited thereto. On the other hand, the spacer 35 is made of a metal such as aluminum having a good thermal conductivity to facilitate the heating of the transparent plate and the gas in the space formed by the transparent plate 32, 33, the heater is the spacer It is preferable to install in contact with (35).

Figure 5 shows another embodiment of the installation of a heater for heating the transparent plate and the gas in the space formed between them.

Referring to the drawings, a heater 40 is installed along the inner space of the spacer 35 positioned between the transparent plates 32 and 33, and the moisture absorbent 37 is disposed in the inner space in which the heater 40 is installed. Is installed.

In addition, a bonding agent 51, which is a sealing means 50, is installed between the transparent plate members 31, 32, 33 provided with the spacer 35 to bond the transparent plate members 31, 32, 33 to each other. In addition, the space formed by the transparent plates 31, 32, 33 is sealed. The binder 51 may be a silicone resin.

6 shows another embodiment of a transparent viewing window installed in a showcase according to the present invention.

Referring to the drawings, the multi-layer viewing window 60 space portion is partitioned by at least one or more partitions 62 to form the heat insulation space portions 61a, 61a, and communicates with the heat insulation space portions 61a, 61a. And a see-through window body 61 having openings 61b and 61b. The viewing window body 61 may be integrally formed by injection molding an acrylic resin, and the like, and the heat insulating space is not limited to two as shown in the drawing, but two or more partitioned by the plates 62. It may be made of. In addition, spacers 63 and 64 are installed in the openings 61b and 61b of the viewing window body 61. The spacers 63 and 64 have an inner space formed in the longitudinal direction as in the above-described embodiment, and the absorbents 64 and 65 are installed therein. In addition, the heater 70 is installed in the opening 61b in which the one side spacer 64 is installed. The heater 70 may be formed of a heating line in contact with the spacer 64. And the bonding agent 80 which is a sealing means for sealing the said opening part 61b, 61b and the heat insulation space 61a, 61a is provided. Here, the heater may be installed at the edge of the space portion except for the opening.

On the other hand, the cold air supply means for supplying cold air to the freezer compartment or the refrigerating compartment 11 for storing goods installed in the show case body 12, the compressor, the evaporator, the condenser and a connecting pipe connecting them, It is provided adjacent to the evaporator is provided with a blowing fan for circulating the inside of the refrigerator compartment.

Referring to the operation of the show case having a multilayer viewing window according to the present invention configured as described above are as follows.

When goods are stored in the interior compartment 11 of the show case according to the present invention and cold air is supplied from the cold air supply means to the storage compartment 11, the surface of the multi-layer viewing window 30 is caused by the temperature difference between the bet and the outside air of the storage compartment 11. Alternatively, condensation may occur on the inner surfaces of the transparent plates 32 and 33. Since the heater 40 is disposed between the transparent plates 32 and 33 forming a space adjacent to the storage chamber 11, the surface of the transparent plates 32 and 33 may be formed. Condensation or sexual love can be prevented. That is, at least two heaters 40 are formed on the side adjacent to the spacer which partitions the edge of the heat insulation space part which is formed at least two outwardly from the storage compartment 11 and is formed on the storage compartment 11 side. Since it is provided, the transparent plates 32 and 33 and the spacer 35 forming the heat insulating space are heated, and the gas in the heat insulating space is heated. Therefore, by reducing the temperature difference between the transparent plate material 31 in contact with the outside air and the transparent plate material 33 in contact with the refrigerating chamber 11, it is possible to prevent the occurrence of condensation or frost on the surface of the multilayer viewing window. The product can be prevented from being blocked by water condensed on the surface. In particular, since a heater is not installed at the edge of the multilayer viewing window, heat generated from the heater 40 can be prevented from being transferred to the main body.

And, as shown in FIG. 6, when the multilayer viewing window is formed integrally by injection molding a synthetic resin material such as acrylic, a separate frame for supporting the upper portion of the multilayer viewing window is unnecessary, so that the installation of the multilayer viewing window is easy. In addition, the multilayer viewing window may be partitioned by a plate 62 provided inside the insulating space, and a heater may be installed in the opening to prevent condensation from occurring on the surface of the viewing window.

As described above, the multi-layer viewing window according to the present invention and the show case using the same have a plurality of heat insulation spaces and heaters are installed on the side adjacent to the refrigerating chamber, thereby causing condensation and sexual occurrence by the temperature difference between the inside and outside air. You can prevent it.

Although the present invention has been described with reference to one embodiment shown in the drawings, this is merely exemplary, and it will be understood by those skilled in the art that various modifications and equivalent embodiments are possible.

Therefore, the true scope of protection of the present invention should be defined only by the appended claims.

Claims (9)

Spacers interposed at edges of at least three transparent plates stacked so as to be spaced apart from each other to define spaces between the stacked transparent plates, a heating heater installed along the spacers defining the at least one space; And a bonding layer applied between edges of the transparent plate members to seal the transparent plate member, and a hygroscopic agent installed at the edge between the spacer or the transparent plate member to absorb moisture from the space part. The method of claim 1, The spacer is made of a metal having a high thermal conductivity, the inner space portion is formed in the longitudinal direction, the inner space portion is a multilayer viewing window, characterized in that the absorbent is installed. The method according to claim 1 or 2, The multilayer viewing window, characterized in that the spacer and the heater is in contact. The method of claim 1, The heater is made of a line heater is installed along the outer inner peripheral surface of the spacer, the multilayer viewing window, characterized in that the wires for applying power to the heater is located on the side located at the bottom. The method of claim 1, The multilayer viewing window, characterized in that the heater is installed inside the spacer. The inner space portion is divided by at least two diaphragms parallel to each other and is divided by at least two diaphragms to form a heat insulation space portion, and having a viewing window body having an opening communicating with the inner space portion, A heater installed at an edge of the heat insulation space on one side, and sealing means for sealing the opening; And said sealing means comprises a spacer inserted into said opening, a dehumidifying agent provided in said spacer, and an adhesive for sealing said opening provided with said spacer. The method of claim 6, The spacer is made of a metal having a high thermal conductivity, the inner space portion is formed in the longitudinal direction, the inner space portion is a multi-layer viewing window, characterized in that the absorbent is installed, the heater is installed inside the spacer. A main body having a freezing compartment or a refrigerating compartment, cold air supply means installed on the main body for supplying cold air to the freezing compartment or a refrigerating compartment, and a multilayer viewing window installed to view the inside of the freezing compartment or the refrigerating compartment or the freezing compartment. The multilayer viewing window includes spacers defining spaces between the laminated transparent plates interposed at edges of at least three transparent plates stacked so as to be spaced apart from each other, and heaters disposed adjacent to the spacers defining the at least one space. And a bonding layer applied between the edges of the transparent plates to seal the transparent plate, and a hygroscopic agent installed at the edge between the spacer or the transparent plate to absorb moisture from the space. case. The method of claim 8, The spacer is made of a metal having a high thermal conductivity, the inner space is formed in the longitudinal direction, the inner space is provided with the absorbent, characterized in that the heater is installed inside the spacer.