JP2000088434A - Display case - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a display case capable of upgrading visibility of a commodity without giving a sense or oppression to a customer and effectively cold insulating the commodity. SOLUTION: A display case body 2 having a cold air duct 13 formed by disposing a partition plate 6 at an inside of a heat insulation wall 5 is formed to be disposed at its front end rear of a front end of a commodity shelf 11. An air outlet 30 is formed at the plate 6. A second duct 19 of an air guiding means, a first air guide plate 20, and a second air guide plate 21 are provided in the duct 30, cold air of a cooler 18 is guided to a discharge port 14 and the outlet 30, and supplied from the port 14 and the outlet 30 to a commodity container 3. Thus, the container 3 can be effectively cold insulated without temperature unevenness.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a showcase capable of displaying and storing refrigerated and frozen products, and more particularly to a cooling structure.

[0002]

2. Description of the Related Art A conventional showcase of this type will be described with reference to FIG. FIG. 5 is a side sectional view of a conventional showcase. In the showcase 101, the partition plate 103 is arranged at a predetermined interval along the heat insulating wall 102 inside the heat insulating wall 102 having a substantially U-shaped cross section, so that the space between the heat insulating wall 102 and the partition plate 103 is formed. Duct 10
4 are formed. Inside the partition plate 103 is a product storage unit 105 for storing products, and a plurality of product shelves 106 are installed in the product storage unit 105.

[0005] A cooler 107 and a cooling fan 108 are provided below the duct 104. Also, duct 1
A discharge port 109 is formed at the upper front end of
A suction port 110 is formed at the lower front end. With such a configuration, the duct 1 is driven by the driving of the cooling fan 108.
04, the cool air is circulated through the discharge port 109 to the suction port 11.
An air curtain is formed over 0 to keep the product storage unit 105 cool (see the dotted arrow in the figure).

[0004]

However, the conventional showcase 101, which has a large upper portion that protrudes forward, gives a sense of oppression to the customer and visually recognizes the products placed on the upper product shelf 106. There was a problem of poor sex.

In order to solve such a problem, it is conceivable to reduce the overhang length of the upper part of the showcase, but in this case, the discharge port 109 is connected to the suction port 1.
The air curtain formed over 10 is the upper shelf 10
6, the heat insulating effect may be reduced, and there is a problem that insufficient cooling is likely to occur particularly in the lower part.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide good visibility of a product without giving a feeling of oppression to a customer, and to surely keep the product cool. Is to provide a possible showcase.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a showcase body in which a partition plate is arranged inside a heat insulating wall to form a duct, and a showcase body inside the showcase body is provided. A product shelf arranged in a product storage section, a cooler and a cooling fan provided in the duct, and cool air from the cooler is discharged from a discharge port formed at an upper front end of the showcase body, and the showcase body In a showcase that cools the product storage section by sucking outside air from the suction port provided at the lower front end of the showcase, the showcase body is formed so that the upper front end is located behind the front end of the product shelf, and the partition plate Proposes a blowout hole for blowing cool air in a duct to a product storage section, and a duct for guiding cool air to the blowout hole and the discharge port in the duct.

According to the present invention, since the upper front end of the showcase main body is located behind the front end of the product shelf arranged in the product storage section, it does not give a sense of oppression to the customer.
Moreover, the products placed on the upper product shelf have excellent visibility. Further, since the blowout hole is formed in the partition plate forming the duct, the cool air in the duct is blown out to the product storage section. As a result, the product storage section has a high cooling capacity. Furthermore, since a duct for guiding cool air to the outlet and the discharge port is provided in the duct,
The cool air in the duct is reliably and uniformly supplied to the product storage section through the outlet and the discharge port. Thereby, it is possible to prevent the temperature unevenness of the product storage unit from occurring.

[0009] As an example of a preferred embodiment of the present invention, in the invention of claim 2, in the showcase of claim 1,
As the wind guide means, disposed on the heat insulating wall side in the duct,
A second aspect of the present invention is provided with a second duct extending from the cooler toward the discharge port.

According to the present invention, the cool air from the cooler can be reliably discharged from the discharge port by the second duct.
Thereby, it is possible to reliably keep the upper part of the product storage unit cool.

Further, as an example of a preferred embodiment of the present invention,
According to the third aspect of the present invention, in the showcase according to any one of the first or second aspects, the wind guide means includes a wind guide plate that guides cool air from a cooler toward a central portion or a lower direction of the partition plate. We propose one that is characterized.

According to the present invention, since the cool air from the cooler can be reliably guided toward the center or the lower part of the partition plate by the air guide plate, the air can be transferred from the blowout hole formed in the partition plate to the product storage section. Cold air can be supplied. Thereby, it is possible to surely cool the central part and the lower part of the product storage part.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A showcase according to an embodiment of the present invention will be described with reference to FIGS. 1 is a perspective view showing the appearance of the showcase, FIG. 2 is a front view of the showcase, FIG. 3 is a side sectional view of the showcase, and FIG.
It is an external appearance perspective view of a duct.

The showcase 1 is provided with a showcase main body 2 having a front opening forming a product storage section 3 inside, and a machine room 4 installed below the showcase main body 2.

The showcase main body 2 includes a heat-insulating wall 5 having a substantially U-shaped cross section, a partition plate 6 disposed inside the heat-insulating wall 5 at a predetermined interval, and a predetermined rear side of the heat-insulating wall 5. A rear panel 7 arranged at intervals, a ceiling panel 8 covering from a front end of the heat insulating wall 5 to an upper end of the rear panel 7, and a heat insulating wall 5
A pair of left and right side plates 9 for closing the space between the partition plate 6 and the space between the heat insulating wall 5 and the back plate 7 in the left and right direction, and a pair of left and right glass plates 10 provided outside the side plates 9. Also,
The product storage section 3 includes a plurality of (five in this embodiment) detachable product shelves 11 and a bottom shelf below the product shelves 11 at a predetermined distance from the bottom wall 5c of the heat insulating wall 5. 12 are arranged.

The heat-insulating wall 5 is provided so that the front end of the ceiling wall 5a is provided on each of the product shelves 11 in order to reduce the feeling of oppression given to the customer and to improve the visibility of the products stored in the upper product shelves 11.
Is formed so as to be located rearward from the front end. In the present embodiment, the length of the ceiling wall 5a projecting forward is:
It was formed so as to be about half of the bottom wall 5c.

The partition plate 6 is disposed in front of the rear wall 5c of the heat insulating wall 5 with a slight inclination, and the lower portion is bent vertically and the end portion is bent rearward.
And an upper partition plate 6b extending forward from the upper end of the rear partition plate 6a in parallel with the ceiling wall 5a of the heat insulating wall 5. The lower end of the rear partition plate 6a is in contact with the rear end of the bottom shelf 12. With such a configuration, the cool air duct 13 is formed in the gap between the heat insulating wall 5 and the partition plate 6 and the bottom shelf 12.

The rear partition plate 6a of the partition plate 6 includes:
A plurality of outlet holes 30 are formed. This outlet hole 30
Is for blowing out cool air flowing through the cool air duct 13 to the product storage unit 3.

At the upper front end of the cool air duct 13, a discharge port 14 for discharging cool air in the direction of the product storage section 3 is formed. At the lower front end of the cool air duct 13, an inlet 15 for sucking outside air into the duct is formed. Cold air duct 13
A rectifying plate 16 for rectifying the cool air discharged from the discharge port 14 is provided from the discharge port 14 to the rear side.
A cooling fan 17 is provided below the cool air duct 13 and below the bottom shelf 12. A cooler 18 is provided at the rear lower half of the cool air duct 13.
The lower end of the rear partition plate 6a is in contact with the lower front surface of the cooler 18.

The cold air duct 13 is provided with the discharge port 1.
A second duct 19, a first air guide plate 20, and a second air guide plate 21, which are air guide means for guiding cool air to the air outlet 4 and the outlet holes 30, are provided. The second duct 19 is made of a plate-like member bent in a U-shape in a flat cross section as shown in FIG. 4, and is attached to the heat insulating wall 5 above the cooler 18.

The first air guide plate 20 is formed of a plate-like member which is erected from the vicinity of the center of the rear partition plate 6a toward the heat insulating wall 5 and bent downward above the cooler 18. First
The installation height of the air guide plate 20 is slightly below the rear end of the second duct 19.

The second air guide plate 21 is formed of a plate-like member which is bent from the front of the upper surface of the cooler 18 to the vicinity of the center of the front surface at a predetermined distance from the cooler 18. The upper rear end of the second baffle plate 21 is disposed slightly forward of the rear end of the first baffle plate 20, so that cool air from the cooler 18 can flow between the two baffle plates. Here, the width of the first air guide plate 20 and the second air guide plate 21 is formed substantially equal to the width of the cool air duct 13.

The machine room 4 includes a condenser 22 and a compressor 23 connected to the cooler 18 to form a refrigeration cycle.
A condenser fan 24 for cooling the condenser 22 is provided. Further, the upper surface of the rear end portion of the machine room 4 communicates with an exhaust duct 25 formed between the back plate 7 and the heat insulating wall 5 so that heat generated in the machine room 4 can be discharged.

With such a configuration, when the cooling fan 17 is driven, outside air is drawn into the cool air duct 13 from the suction port 15, and the air flows into the cooler 18 and is cooled.
The cool air from the cooler 18 is divided into three in the cool air duct 13 by the first air guide plate 20 and the second air guide plate 21.

The flow of the first cool air passes through the gap between the front of the cooler 18 and the second baffle plate 21 toward the lower part of the rear partition plate 6a. The cool air of this flow blows out to the product storage section 3 through the blowout holes 30 formed in the lower part of the rear partition plate 6a. Thereby, the lowermost part of the product storage section 3 is mainly kept cool.

The flow of the second cool air passes through the gap between the first baffle plate 20 and the second baffle plate 21 and goes from the center to the lower part of the rear partition plate 6a. The cool air of this flow blows out from the central part of the rear partition plate 6a to the product storage part 3 through the blowing holes 30 formed at the lower part. This allows
The cold storage is performed from the center to the lower part of the product storage unit 3.

The flow of the third cool air passes through the rear of the first air guide plate 20 and goes upward. The cool air of this flow is further divided by the second duct 19, and one cool air passes through the second duct 19 and goes to the discharge port 14. The cool air that has passed through the second duct 19 is discharged from the discharge port 14 and mainly keeps the upper part of the product storage unit 3 cool. The other cool air flows upward through the gap between the second duct 19 and the rear partition plate 6a. At this time, a part of the cool air is blown out to the product storage section 3 from the blowout hole 30 formed in the upper half of the rear partition plate 6a, and a part of the cool air merges with the cool air passing through the second duct 19 and the discharge port. Head in 14 directions. Thereby, the upper part of the product storage part 3 is kept cool.

As described above in detail, according to the showcase 1 according to the present embodiment, the upper front end of the showcase main body 2 is located behind the front end of the product shelf 11 arranged in the product storage section 3. Thus, the product placed on the upper product shelf 11 can be easily viewed without giving a feeling of oppression to the customer.

The partition plate 6 forming the cold air duct 13
Is formed, the cool air in the cool air duct 13 is blown out to the product storage section 3. As a result, the product storage unit 3 has a high cooling capacity. Further, in the cool air duct 13, the air outlet 30 and the discharge port 14 are provided.
Since the second duct 19, the first baffle plate 20, and the second baffle plate 21, which are the baffle means for guiding the cool air to the air, are provided, the cool air in the cool air duct 13 flows through the outlet 30 and the discharge port 14. As a result, the product is reliably and uniformly supplied to the product storage unit 3. Thus, it is possible to prevent the temperature unevenness of the product storage unit 3 from occurring.

In the showcase 1 according to the present embodiment, when the temperature inside the product storage section 3 was measured, the temperature was within a range of about 8K (K: Kelvin). From this showcase 1 to the second duct 19, the first
When the same measurement was performed with the air guide plate 20 and the second air guide plate 21 removed, the temperature inside the product storage unit 3 was in the range of about 15K. From this experiment, it was confirmed that these air guiding means exerted an excellent effect on uniformizing the temperature of the product storage unit 3.

[0031]

As described above in detail, according to the first aspect of the present invention, the upper front end of the showcase main body is located behind the front end of the product shelf arranged in the product storage portion, so that the customer is The product placed on the upper product shelf can be easily viewed without giving a feeling of oppression.

Further, since the blowout holes are formed in the partition plate forming the duct, the cool air in the duct is blown out to the product storage section. As a result, the product storage section has a high cooling capacity. Furthermore, since the duct is provided with an air guiding means for guiding the cool air to the outlet and the outlet, the cool air in the duct is supplied to the product storage section through the outlet and the outlet reliably and uniformly. . Thereby, it is possible to prevent the temperature unevenness of the product storage unit from occurring.

In particular, according to the second aspect of the present invention, the cool air from the cooler can be reliably discharged from the discharge port by the second duct. Thereby, it is possible to reliably keep the upper part of the product storage unit cool.

Further, according to the third aspect of the present invention, the cool air from the cooler can be reliably guided toward the center or the lower part of the partition plate by the baffle plate. The cool air can be supplied to the product storage section. Thereby, it is possible to surely cool the central part and the lower part of the product storage part.

[Brief description of the drawings]

FIG. 1 is an external perspective view of a showcase.

FIG. 2 is a front view of the showcase.

FIG. 3 is a side sectional view of the showcase.

FIG. 4 is an external perspective view of a second duct.

FIG. 5 is a side sectional view of a conventional showcase.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Showcase, 2 ... Showcase main body, 3 ... Product storage part, 5 ... Insulation wall, 6 ... Partition plate, 11 ... Product shelf, 12 ...
Bottom shelf, 13: cold air duct, 14: discharge, 15: suction port,
16 ... rectifier plate, 17 ... cooling fan, 18 ... cooler, 19
... second duct, 20 ... first air guide plate, 21 ... second air guide plate,
30 ... outlet

Claims (3)

[Claims] 1. A showcase main body in which a partition plate is disposed inside a heat insulating wall to form a duct, a product shelf disposed in a product storage section inside the showcase main body, a cooler provided in the duct, and It has a cooling fan and discharges cool air from the cooler from the discharge port formed at the upper front end of the showcase body, and cools the product storage section by sucking outside air from the suction port provided at the lower front end of the showcase body. In the showcase, the showcase main body is formed so that the upper front end thereof is located rearward from the front end of the product shelf, and the partition plate is formed with an outlet for blowing cool air in the duct to the product storage section, A showcase, wherein a wind guide means for guiding cool air to the outlet and the discharge port is provided inside. 2. The showcase according to claim 1, further comprising a second duct disposed on the side of the heat insulating wall in the duct and extending from the cooler toward the discharge port, as the air guide unit. 3. The show according to claim 1, wherein said wind guide means includes a wind guide plate for guiding cool air from a cooler toward a central portion or a lower portion of said partition plate. Case.