JPH07218096A - Antidewing device for display case - Google Patents

Abstract

PURPOSE:To rapidly and easily execute an antidewing remedy at a display case installing place even if a part to be easily condensed of an inner and/or outer surface formed of a metal material of a display case in which a commodity is cooled, displayed and exhibited and one surface of outer peripheries is opened is different from that to be predicted at the time of manufacturing the case. CONSTITUTION:A heat generator 35 for locally heating an inner and outer surfaces of a case 1 formed of a metal material is supported to a ceiling and a rear surface of inner surface of the case l and a front surface of an outer surface of the case 1 by clamping with screws 33 through a box 34 for containing the generator 35.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inner surface and / or an outer surface of a case in which at least a part of the inner surface and / or the outer surface is made of a metal material and one surface of the outer peripheral surface is open, and goods are cooled and displayed for display inside. The present invention relates to a showcase dew prevention device that prevents dew from adhering to a display.

[0002]

2. Description of the Related Art In many showcases in which goods are cooled and displayed in a case whose outer surface is open, the inner and / or outer surfaces of the case are made of a metallic material. It is a self-service device on the premise that the customer directly selects and purchases the selected products by taking them out of the case and purchasing them.

Therefore, it is necessary to make the products displayed in the case easily visible and easy to take out, to keep the products in the case fresh and clean, and to make the appearance of the case clean and clean. On the other hand, the outside air, which is the air outside the case, is generally hotter and more humid than the inside of the case, and when it comes into contact with the inside and / or outside of the case, which is cooled by the cool air that cools the product and has a low temperature, this inside and / or outside In some cases, the moisture contained in it may become dew and adhere. If this dew adheres to the inside and / or outside of the case, the appearance of the showcase may be impaired, or the dew that adheres to the inside of the case may drip onto the product from the ceiling surface or the like, degrading the quality of the product. To be damaged.

Therefore, in a showcase in which at least a part of the inner surface and / or the outer surface of the case is made of a metal material, a dew-preventing device is provided to prevent dew from adhering to the inner surface and / or the outer surface of the case. Such a dew-prevention device prevents the dew from adhering by heating the inside surface and / or the outer surface of the case, which is made of a metal material, with a heater to prevent the dew from adhering. Depending on the conditions, the part to which dew tends to adhere is slightly different, so it may be different from the prediction at the time of showcase manufacturing. In such a case, it is desired that the dew-prevention device can quickly and easily take countermeasures at the place where the case is installed. A conventional example of this type of showcase dew-prevention device is shown in FIG. FIG. 2 shows a configuration of a conventional dew condensation prevention device for a showcase, (A) is a left-side longitudinal sectional view of the showcase,
(B) is an enlarged view of the main part of the lower end front surface side of (A) including a heating body, (C) is a front view of the main part of (B), and (A) and (B) are the front side on the right side of the drawing. Is.

In FIG. 2, reference numeral 1 denotes a case having an opening 2 which is largely opened and opens to the front surface. This case 1
Is a case body 5 whose outer peripheral surface is covered with a cover 3 formed of a steel plate which is a metal material and whose left and right side surfaces and a front surface are open and whose side longitudinal section is C-shaped, and which is filled with a heat insulating material 4, and Partition walls 6 and 7 formed along with the inner peripheral surface of the case body 5 and arranged in front and back of the case body 5 and spaced from each other and supported in the case 1, and the partition walls 6 and 7 and the left and right sides of the case body 5. It is composed of a flat side plate 8 formed of a heat insulating material that covers the surface opening. Opening 2 on the front of case 1
The upper and lower sides of each of the upper and lower sides of the canopy front panel 9 having an arcuate side vertical cross section are supported by the case 1 so that they can be easily attached and detached independently. V-shaped front cap 10,
The color band 11, bumper rail 12, front panel 13, and kick plate 14 cover the lower front surface in order from the top.

On the other hand, in the case 1, the space partitioned by the side plate 8, the case body 5 and the partition wall 7 is the ventilation passage 15, and the space partitioned by the side plate 8, the partition wall 6 and the partition wall 7 is the ventilation passage 16, respectively. Is forming. At the upper and lower ends of each of the ventilation passages 15 and 16, openings are formed along the upper and lower edges of the opening 2, respectively on the lower surface and the upper surface, and the opening surfaces face each other vertically. Of these openings, the upper openings form the outlets 17 and 18, and the lower openings form the inlets 19 and 20, respectively. The outlets 17 and 18 have a honeycomb shape with upper and lower end surfaces open. The rectifying bodies 21 and 22 are respectively covered. In addition, the ventilation passage 15
The suction ports 19 and 20 are provided in the upper inside and the lower inside of the ventilation passage 16.
Blowers 23 and 24 are provided to blow the air in the case 1 sucked in through the ventilation passages 15 and 16, respectively, and blow out the air from the outlets 17 and 18. An evaporator 25, which is one of the constituent elements of a refrigerator that cools the inside of the case 1, is provided in the lower part of the ventilation passage 16 on the depth side of the blower 23. The evaporator 25 and the blower 24 are connected to each other. An electrothermal type heater 26 that heats and defrosts the frost that adheres to the outer periphery of the evaporator 25 during the cooling process is disposed between them.

Further, in the case 1, a plurality of display shelves 27 for displaying and displaying products are vertically arranged in parallel with each other and cantileveredly supported by the partition wall 6 at the rear end thereof. And the color band 11 on the lower front of the case 1
The portion covered with is attached with an adhesive member 28 formed of aluminum foil or the like with an adhesive applied on the back surface, and an electric heater 29 that is formed of a wire material such as nichrome wire and meanders left and right is supported. Has been done. With this heater 29 as a constituent element, moisture contained in the high temperature and high humidity outside air outside the case 1 is exposed, which enters the case 1 through the opening 2 and contacts the front surface of the partition wall 6 or the front surface of the lower portion of the case 1. Thus, a dew condensation preventing device 30 that prevents the case 1 from adhering to the inner surface and the outer surface of the case 1 is configured.

In such a structure, the dew prevention device 3
0 is a portion of the inner surface and the outer surface of the case 1 that is cooled by the refrigerator and has a temperature lower than that of the outside air, where the outside air is easily touched and exposed to dew, and the portion covered by the color band 11 on the lower front surface of the case 1; The dew adheres to the upper and lower middle parts of the rear surface of the case 1 by heating this part with the heater 29.

The products displayed in the case 1 including the display shelf 27 are sucked in through the suction port 19 and the evaporator 2 is displayed.
It is cooled by the air in the case 1 which is blown in the ventilation passage 16 by the blower 24 while being cooled in 5. Then, a part of this air and the air in the case 1 that is sucked from the suction port 20 and blown in the ventilation passage 15 by the blower 23 is rectified by the rectifying bodies 21 and 22 and becomes a laminar flow, and the air outlet 17, The air curtains 31 and 32 are formed by being blown out from the case 18, respectively, and are kept cold by the air curtains 31 and 32 which doubly cover the opening 2 from both inside and outside of the case 1.

[0010]

By the way, in such a conventional dew-prevention device for a showcase, the dew-prevention device 30 is constituted by the heater 29 as a constituent element, and the rear surface of the partition wall 6 and the lower part of the case 1 are formed. Adhesive member 28 on the front
The heater 29 is attached to the case 1 and is supported by the case 1.

As a result, if the dew-prone portions of the inner and outer surfaces of the case 1 match the prediction at the time of manufacturing the showcase, the dew-prone portions are likely to adhere to this portion. Can be prevented by the heater 29 that locally heats. The appearance of the product displayed in the showcase and the case 1 is impaired, the quality of the product is degraded, and dew drops from the front side of the case 1 so that the installation surface is submerged. Can be prevented.

However, if the portion where dew tends to adhere is contrary to the prediction at the time of manufacturing the showcase, it is necessary to take a dew-prevention measure at the place where the case 1 is installed. At this time, if the part where dew easily adheres is the front surface of the lower part of the case 1,
Any one of the color band 11, the bumper rail 12, the front panel 13, and the kick plate 14 that covers the lower front surface can be easily removed individually, and the heater 29 is attached to the portion where dew easily attaches to the case 1 by the adhesive member 28. Can be easily installed. After the heater 29 is attached, the color band 11, the bumper rail 12, the front panel 13, the kick plate 14 and the like are attached again so that the heater 29 is not exposed and the appearance of the showcase is not unsightly.

However, if the portion on which the dew easily adheres is the rear surface of the case 1, the partition wall 6 including the portion related to the removal of the partition wall 6 is removed, and the adhesive member 2 is attached to the back surface of the partition wall 6.
It is necessary to attach the heater 29 at 8 and then attach the removed portion again. If the product is still displayed and displayed in the case 1 when performing this work, the product must be temporarily moved to another place and stored, and then the heater 29 must be attached. Therefore, there is a problem in that it is troublesome to prevent dew condensation at the installation location of the case 1, and at the same time, it may cause distrust of the customer in some cases.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to provide a dew condensation preventing device for a showcase which can quickly and easily take dew condensation preventing measures even at a place where the case is installed.

[0015]

In order to solve the above-mentioned problems, according to the present invention, at least a part of the inner surface and / or the outer surface is made of a metal material, and one surface of the outer peripheral surface is opened. In a dew-prevention device for a showcase that prevents dew from adhering to the inner surface and / or the outer surface of a case that is cooled and displayed for display, the heating element that locally heats the part is configured as a constituent element. I shall.

Further, it is assumed that the heating element is a heating element supported by being screwed to the case. Further, it is assumed that the heating element is a heating element screwed to the ceiling surface, the rear surface, which is the inner surface of the case, and the front surface, which is the outer surface of the case.

[0017]

According to the present invention, with the above construction, the heating element for locally heating the part is constituted as a constituent element, so that the product is cooled by the cool air and is at a low temperature. The inner surface and the outer surface of the part are formed of a metallic material and are in direct contact with the high-temperature, high-humidity outside air. In addition to being able to prevent it, the heating element can be miniaturized, and even if the heating element is attached to a portion visible from the outside of the inner surface and / or the outer surface of the case, the heating element can be easily covered so that the appearance of the case is not unpleasant. .

Further, since the heating element is a heating element supported by being screwed to the case, the heating element is directly screwed to a portion visible from the outside of the inner and outer surfaces of the case to generate heat without removing a plurality of parts. The body can be attached to the case. In addition, the heating element can be attached to the case by directly screwing it to the ceiling surface of the case, which is visible from the outside, without removing a plurality of parts including the partition wall.

The heating element can be attached to the case by screwing it to the rear surface of the case, which is visible from the outside, without removing a plurality of parts including the partition wall. Also, the heating element
Since it is assumed that the heating element is screwed to the front surface, which is the outer surface of the case, even if the front surface of the case is covered with parts such as the canopy front panel, color band, bumper rails, and front panel, this part can be used alone as a case. By supporting the case so that it can be easily attached and detached, the component covering the front surface of the case can be easily removed and screwed directly to the front surface of the case to attach the heating element to the front surface of the case.

[0020]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIG. 1A and 1B show the structure of a dew condensation preventing device for a showcase according to one embodiment of the present invention. FIG. 1A is a left vertical sectional view of the showcase, and FIG. FIG. 1A is an enlarged perspective view of an essential part viewed from above, and the right side of FIG. It should be noted that parts common or identical to those in FIG.

In FIG. 1, 1 is a case having an opening 2 on the front surface. The case 1 is covered with a cover 3
The case body 5 having the heat insulating material 4 filled therein, and the partition walls 6 and 7 supported in the case 1 along the inner peripheral surface of the case body 5 and arranged in front and back with a space therebetween, and the partition walls 6 and 7.
7 and side plates 8 that cover the left and right side surface openings of the case body 5. A canopy front panel 9 supports the upper and lower sides of the opening 2 on the front surface of the case 1 so that they can be easily attached and detached independently. The front cap 10, the color band 11, and the bumper rail 12 are arranged in order from the top. , The front panel 13 and the kick plate 14 cover the lower front surface.

On the other hand, in the case 1, an air passage 15 is provided in a space partitioned by the side plate 8, the case body 5 and the partition wall 7, and an air passage 16 is provided in a space partitioned by the side plate 8, the partition wall 6 and the partition wall 7.
Are formed respectively. At the upper and lower ends of each of the ventilation paths 15 and 16, openings are formed along the upper and lower edges of the opening 2 and open on the lower surface and the upper surface, respectively, and the opening surfaces face each other vertically. The upper opening of these openings forms the outlets 17 and 18, and the lower opening forms the inlets 19 and 20, respectively.
7, 18 are covered with rectifying bodies 21, 22, respectively. Blowers 23 and 24 are provided in the upper part of the ventilation passage 15 and the lower part of the ventilation passage 16, respectively.
An evaporator 25 is arranged in the lower part of the ventilation passage 16 on the more depth side, and a heater 26 is arranged between the evaporator 25 and the blower 24. It hasn't changed.

In addition, a plurality of display shelves 27 are provided in the case 1.
Side by side in parallel with each other to support the rear end of the partition wall 6 in a cantilevered manner, and form the rear surface of the case 1, in the middle of the upper and lower sides of the front surface of the vertical portion of the partition wall 6 and the color band 11 on the lower front surface of the case 1. The covered portion is screwed with a screw 33 to support a box-shaped box body 34 having a size similar to a match box and an opening on the back surface. Inside the box body 34, there are housed heating elements 35 which contact the front surface of the partition wall 6 and the front surface of the lower portion of the case 1 and generate heat when energized.
It is preferable to use a PTC thermistor. Moisture contained in the high temperature and high humidity outside air of the case 1 that enters the case 1 through the opening 2 and contacts the front surface of the partition wall 6 or the front surface of the lower part of the case 1 with the heating element 35 as a constituent element. A dew condensation preventing device 36 of the present invention for preventing the dew from adhering to the inner surface and the outer surface of the case 1 is constituted, and the other constitution is the same as the conventional example.

Regarding the cooling of the products displayed and displayed in the case 1 including the display shelf 27 of the showcase having the dew condensation prevention device 36 which is the dew condensation prevention device of the present invention in the above-mentioned configuration. Is the same as the above-mentioned conventional example, and therefore the description thereof is omitted, and when the function of the dew prevention device 36 and the portion of the inner surface and / or the outer surface of the case 1 where dew is likely to adhere are different from the prediction at the time of manufacturing the showcase. In addition, when performing dew condensation prevention measures at the location where Case 1 is installed, the heating element 3
The mounting work of No. 5 will be described below.

The dew condensation preventing device 36 is provided on the inner surface and the outer surface of the case 1 which is cooled by the refrigerator and has a temperature lower than that of the outside air.
A portion of the lower front surface of the case 1 and a rear surface of the inside of the case 1 which are parts that are easily exposed to high temperature and high humidity when exposed to dew, are provided with the heating element 3.
It is heated at 5 to prevent dew from adhering. Further, the box body 34 covers the heating element 35 so that the appearance of the showcase is not unpleasant even if the heating element 35 is screwed and attached to the visible inner and outer portions of the case 1.

On the other hand, when the portion on the inner surface and / or outer surface of the case 1 where dew is likely to adhere is different from the prediction at the time of manufacturing the showcase, when the dew condensation prevention measure is taken at the place where the case 1 is installed, The mounting work is performed as follows. If the portion to which dew easily adheres is the inner surface of the case 1 including the ceiling surface and the rear surface, the box body 34 accommodating the heating element 35
The heating element 35 can be attached by directly screwing to the portion visible from the outside of the inner surface of the case 1 with the screw 33. Further, if the portion where dew easily adheres is the front surface of the case 1, the canopy front panel 9, the front cap 10, the color band 11, the bumper rail 12, the front panel 13, the kick which covers the portion of the front surface of the case 1 where dew easily adheres. Any one of the plates 14 is independently removed, and the box body 34 accommodating the heat generating element 35 is directly screwed to a portion of the front surface of the case 1 where dew is likely to adhere, thereby fixing the heat generating element 35. Install.

Therefore, even if the portion on the inner surface and / or outer surface of the case 1 where dew easily adheres is different from the prediction at the time of manufacturing the showcase, the heating element 35 can be attached to the case 1 without removing a plurality of parts. Therefore, it is possible to quickly and easily take measures to prevent dew condensation at the installation location of the case 1.

[0028]

According to the present invention, at least a part of the inner surface and / or the outer surface is made of a metal material and one surface of the outer peripheral surface is open, and the inner surface of the case for cooling and displaying the goods inside is Since the heating element that locally heats the part of the outer surface is configured as a component,
The product is cooled by cold air and is at a low temperature,
It is possible to prevent moisture contained in the outside air from adhering as dew to the portions of the inner and outer surfaces of the case, which are formed of a metal material and are in direct contact with the outside air of high temperature and high humidity, and the heating element can be downsized. , Even if you attach a heating element to the part visible from the outside of the inside and outside of the case, you can easily cover the heating element so that the appearance of the case is not unsightly, and from the outside of the case without removing multiple parts, You can quickly and easily take measures to prevent dew condensation at the place where the case is installed.

Also, by supporting the heating element by screwing it to the case, the heating element can be attached to the case without removing a plurality of parts, and the same effect as above can be obtained. Further, by screwing the heating element to the ceiling surface and the rear surface, which are the inner surfaces of the case, the heating element can be attached to the case without removing the parts, and the same effect as above can be obtained.

Further, by screwing the heating element to the front surface which is the outer surface of the case, one component covering the front surface of the case can be easily removed independently, and the heating element can be attached to the front surface of the case. The effect of is obtained. As a result, even if the parts on the inside and / or outside of the showcase where the dew is likely to adhere are different from what was predicted when the showcase was manufactured, the heating element should be installed on the case. The effect is that it can be installed neatly and quickly in a place that does not look ugly, and that it is possible to quickly and easily take measures to prevent dew condensation so as not to distrust customers.

[Brief description of drawings]

FIG. 1 shows the structure of a dew condensation prevention device for a showcase according to one embodiment of the present invention, where (A) is a left-side longitudinal sectional view of the showcase, and (B) is a rear slant including a heating body (A). Main part enlarged perspective view seen from the upper right

2A and 2B show a structure of a conventional dew condensation prevention device for a showcase, in which FIG. 2A is a left-side vertical sectional view of the showcase, and FIG. 2B is an enlarged view of a main part of a lower end front surface of FIG. Figure, (C)
Is a front view of the main part of (B)

[Explanation of symbols]

 1 Case 2 Opening 3 Cover 4 Heat Insulating Material 5 Case Body 6,7 Partition 8 Side Plate 11 Color Band 12 Bumper Rail 13 Front Panel 14 Kick Plate 15,16 Ventilation Path 17,18 Outlet 19,20 Inlet 21,22 Adjustment Fluid 23, 24 Blower 25 Evaporator 27 Display shelf 31, 32 Air curtain 33 Screw 34 Box body 35 Heating element 36 Dew condensation prevention device

Claims (5)

[Claims] 1. Dew adheres to the inner surface and / or the outer surface of a case in which at least a part of the inner surface and / or the outer surface is made of a metal material, and one surface of the outer peripheral surface is open, and goods are cooled and displayed inside the case. In the dew condensation prevention device for a showcase, the dew condensation prevention device for a showcase, comprising a heating element for locally heating the part as a constituent element. 2. The showcase dew prevention device according to claim 1, wherein the heating element is a heating element supported by being screwed to the case. 3. The dew condensation preventing device for a showcase according to claim 1 or 2, wherein the heating element is a heating element screwed to a ceiling surface which is an inner surface of the case. Dew prevention device. 4. The showcase dew prevention device according to claim 1 or 2, wherein the heating element is a heating element screwed to a rear surface which is an inner surface of the case. Anti-sticking device. 5. The dew prevention device for a showcase according to claim 1 or 2, wherein the heating element is a heating element screwed to a front surface which is an outer surface of the case. Anti-sticking device.