JPS637818Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a heat exhaust structure for a show case with a built-in cooling unit.

In a case with a built-in cooling unit, the machine room in which the cooling unit is installed is usually located at the bottom of the case outside the cooling space. The cooling unit includes a refrigerant compressor, a refrigerant condenser, etc. Since the refrigerant condenser in particular requires constant cooling, it is usually air-cooled by a motor fan. For this reason, the machine room is provided with an air intake and an air outlet for air cooling.For example, air is taken in from the lower front side of the show case and discharged to the rear, or air is taken in from the lower rear side of the show case and discharged to the front side. It's becoming like that.
However, the above method is not suitable if the case is installed near the wall of the store, and even if it is installed away from the wall, hot air will blow out at the customers' feet, especially in the summer. This will cause discomfort to the customers.

The present invention aims to provide a case that eliminates the above-mentioned drawbacks.

The present invention comprises a machine room in which a cooling means such as a refrigerant evaporator is disposed in a cooling space surrounded by a heat insulator, and a cooling unit such as a refrigerant condenser is disposed in the lower part outside the cooling space, Moreover, in a show case with an open top, part of the side wall of the show case is a hollow heat insulating body that opens into the machine room and near the top of the show case. It is characterized by its high height and panel structure, which is open at both the top and bottom ends and can be attached to and removed from the case body.

Examples of the present invention will be described below.

FIG. 1 shows a schematic structure of an embodiment in which the present invention is applied to a top-opening type freezer/refrigerator open case.

In the figure, the case body 1 is provided with a cross-sectional inner box 3 at regular intervals inside a cross-sectional heat insulating body 2, and a side plate 4 made of a heat insulating body and a panel duct 5 according to the present invention are installed in the openings on both sides. A cooling chamber 6 with an open upper surface is formed. Insulator 2
By disposing a refrigerant evaporator and a ventilation fan (both not shown) in the space 7 between the inner box 3 and the inner box 3, an air curtain that passes through the space 7 and covers the open part of the cooling chamber 6 is installed. It is well known that the inside of the cooling chamber 6 is cooled by circulating cold air therethrough.

On the other hand, the bottom of the case, that is, the heat insulator 2
A machine room 10 is formed in the outer lower space, in which a refrigerant condenser 8, a plurality of motor fans 9 (shown by solid lines for convenience), and a refrigerant compressor (not shown) are arranged. In the machine room 10, an air intake port 11 is provided on the front side.

Here, a perspective view of the panel duct 5 and its A
The description will be made with reference to FIGS. 2, 3, and 4, which are a sectional view taken along the line A-A and sectional view taken along the line B-B.

The panel duct 5 is a hollow heat insulator having the same height as the case body 1 and open at both upper and lower ends, and is made to have the same outline as the case body. In particular, it has a main surface large enough to close the opening formed at the side edge of the heat insulating board 2, and here, a plurality of motor fans 52 are provided below the main surface using a frame 51. There is. Reference numeral 53 indicates a hole for mounting with a bolt or the like. This panel duct 5, like the side plate 4, is attached to the case body 1 by bolting or the like so as to close the side opening of the heat insulator 2. Therefore, the lower side of the panel duct 5 communicates with the machine room 10.

In this way, as shown by the arrow in FIG. It is discharged from the top opening to the top of the case body.

Here, it is preferable to provide a louver or a mesh plate at the upper end opening of the panel duct 5 to prevent the intrusion of dirt and debris.

If the length of the refrigerant condenser 8 is shorter than the case body 1, as shown in FIG.
A partition plate 12 is provided between the refrigerant condenser 8 and the panel duct 5 in the machine room 10 . Further, the air intake port 11 is provided on either the front surface or the rear surface depending on the shape of the show case.

By the way, as shown in FIG. 1, since two show cases are used in conjunction with each other, the panel duct 5 is provided at the connecting portion of the two show cases to exhaust heat from the two show cases. For this reason, the lower part of the panel duct 5 is formed so as to communicate with the machine rooms of the two show cases. Of course, when used as a side wall of a single case, the outer heat insulating plate extends to the lower end of the case main body 1 in the same way as the side plate 4 to close off the outer wall side. Moreover, the panel duct 5 is made so that its outline matches the outline of the show case body 1, and is installed so as to be sandwiched between the two show cases, so that the appearance becomes the same and the installation work becomes easy. Of course, this panel duct 5 is
It may be provided integrally with the case body 1 at the manufacturing stage. 54 is a decorative plate for closing the gap between the intake ports 11 of the two show cases. Unlike the machine room 10, the bottom plate of the panel duct 5 is unnecessary.

Furthermore, as shown by the two-dot chain line in FIG. 1, a normal duct or a duct 13 made of transparent material such as acrylic is connected to the outlet of the panel duct 5, and this duct 13 is directly led outdoors or is connected to the outdoors. By connecting to another duct, it is possible to prevent the room temperature from rising, especially in the summer. In particular, by using a transparent duct, a good display effect can be obtained without blocking the view.

As explained above, according to the present invention, the following effects can be obtained.

By eliminating the need to blow relatively high-temperature exhaust air at the customers' feet, the customers will not feel uncomfortable, especially in the summer.

The main body of the case can be left as is, and the appearance will not be compromised.

By further connecting a duct to the outlet of the panel duct, if necessary, it is possible to prevent a rise in indoor temperature. Furthermore, in this case, by making the connecting ducts from a transparent material, the display effect will not be impaired.

When using multiple top-opening show cases connected together, connect the two show cases through one hollow insulator, and connect this hollow insulator to two
It can be used as a common side plate of the stand case and as an exhaust heat treatment device, reducing costs.

[Brief explanation of drawings]

Fig. 1 shows a schematic structure of an example of the present invention in a perspective view, Fig. 2 shows a panel duct in the perspective view, and Figs.
- A sectional view taken along line A and a sectional view taken along line BB are shown. In the figure, 2 is a heat insulator, 3 is an inner box, 4 is a side plate, 5 is a panel duct, 6 is a cooling room, 8 is a refrigerant condenser, 1
0 is the machine room, 11 is the intake.

Claims (1)

[Scope of utility model registration request] A cooling means such as a refrigerant evaporator is disposed within a cooling space surrounded by a heat insulator, and a machine room is constructed in which a cooling unit such as a refrigerant condenser is disposed outside the cooling space, and the upper surface is open. In the show case, a part of the side wall of the show case is formed into a hollow heat insulating body that opens into the machine room and near the top of the show case, and the hollow heat insulating body has approximately the same height as the show case main body. With,
The heat exhaust structure of the show case is characterized by a panel structure that can be attached to and removed from the main body of the show case, which is open at both upper and lower ends.