JP2004081418A - Flat show case - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a flat show case capable of visually inspecting and unloading goods placed on an opposite shelf board or floor board and performing appropriate cold insulation of goods placed on a shelf board. <P>SOLUTION: The flat show case 1 has a box-shaped goods storage section 2 having an upper opening part, two spports 3A and 3B are disposed in parallel with a predetermined interval in a substantially central part in the lateral direction. The shelf board 5 is vertically movably supported in the intermediate stage of the struts 3A and 3B. Blowing ducts for supplying part of cold air circulating in the goods storage section 2 upwardly are formed inside the spports 3A and 3B. The upper ends of the spports 3A and 3B are provided with a top lid 4 having blow-off ports for jetting the cold air supplied from the blowing ducts to the upper surface of the shelf board 5. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a flat showcase used for keeping and displaying fresh and frozen foods in a large store such as a supermarket, and more particularly to a flat showcase provided with a middle shelf.
[0002]
[Prior art]
As a conventional double-sided flat type showcase, a double-sided flat type showcase provided with a shelf plate in a middle stage is described in JP-A-10-288445.
FIG. 7 shows a two-sided flat showcase described in the above publication. As shown in this figure, a two-sided flat showcase 21 described in the above-mentioned publication has a box-shaped product storage section 22 having an open top, and a pedestal section for maintaining the product storage section 22 at an appropriate height. The pedestal 23 accommodates refrigerator components (not shown).
In the double-sided flat type showcase 21, the product storage section 22 is divided into two display sections 22A and 22B by a partition wall 24 provided at a central portion thereof. A plurality of shelf slots 24A for supporting the floor plate 26 so as to be movable up and down are provided.
The outer plate surrounding the display portions 22A and 22B has an integral foam panel structure that also serves as the outer panel 27 of the foam panel.
[0003]
Suction ports 28A and 28B are provided at upper portions of the outer side surfaces of the display portions 22A and 22B, and the air sucked into the suction ports 28A and 28B passes through the suction ducts 29A and 29B, respectively, and the underfloor duct on the bottom surface. Heat is exchanged with the coolers 32A, 32B by the attraction of the fans 31A, 31B provided in the 30A, 30B. The heat-exchanged air flows through outlet ducts 33A and 33B defined by partition plates in the partition wall 24, and blows out from upper outlets 34A and 34B of the partition wall 24 toward the suction ports 28A and 28B. As a result, a cool air curtain is formed. Thereby, each of the display portions 22A and 22B can be covered with the air curtain to keep the product cool in an air blanket state.
[0004]
[Problems to be solved by the invention]
However, in the conventional two-sided flat type showcase 21, the partition wall 24 in which the blow-out ducts 33 </ b> A and 33 </ b> B are formed has a central portion of the product storage portion 22 in order to keep the products placed on the shelf plate cool. Therefore, the field of view was blocked by the partition wall 24, and it was not possible to visually recognize the products displayed on the one display part 22A side on the other display part 22B side. In this case, even if the partition wall 24 is made of a transparent material and is made see-through, it is not possible to take out the products displayed on the other display portion 22B side, which is inconvenient for customers who purchase the products. Had become.
[0005]
The present invention has been made to solve the above-described problem, and in a flat-type showcase, while allowing a product placed on a shelf to be kept cool, the product is placed on a shelf or floor plate on the opposite side. It is an object of the present invention to provide a flat-type showcase that allows a product to be viewed and taken out.
[0006]
[Means for Solving the Problems]
In order to solve the above-mentioned problems, the present invention relates to a flat-type showcase including a product storage portion formed in a box shape having an open top and cooling means for cooling the product storage portion by covering the product storage portion with a cool air curtain. A column standing upright in the product storage section, a canopy provided at an upper end of the column, and a shelf supported at an upper position of the product storage section by the column, and the cooling means inside the column. And forming a cool air blow-up duct for blowing a part of the cool air cooled toward the canopy, and the canopy is provided with an outlet for blowing out the cool air to the upper part of the shelf board. Thereby, while keeping the goods placed on the shelf board cool, it is possible to visually recognize and take out the goods placed on the opposite shelf board or floor board.
In this case, by providing an auxiliary fan for supplying cool air to the cool air blowing duct near the entrance of the cool air blowing duct, it is possible to sufficiently secure the amount of cool air supplied to the cool air blowing duct.
Also, by providing a resistance plate for adjusting the amount of cool air in the blow-out duct located on the side of the cool air outlet in the product storage section, the amount of cool air supplied to the cool-air blow-up duct can be sufficiently increased without providing the auxiliary fan. Can be secured.
[0007]
In addition, by providing a support member for supporting the shelf board movably in the vertical direction with respect to the support, a display space corresponding to a product displayed on the product storage unit or the shelf board can be secured.
[0008]
Further, a main cooler and an auxiliary cooler are provided as a cooler constituting the cool keeping means, and a temperature zone can be switched by switching operation of the main cooler and the auxiliary cooler. In this case, the auxiliary cooler is smaller than the main cooler, and the main cooler is provided on the blow-out duct side with respect to the inlet of the cool air blowing duct, and the auxiliary cooler is Since the static pressure between the main cooler and the auxiliary cooler is secured by providing the suction duct side opposite to the blow-out duct side, the amount of cool air supplied to the cool air blow-up duct should be sufficient. Can be.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
Embodiment 1 FIG.
An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a flat type showcase according to one embodiment of the present invention, and FIG. 2 is a side sectional view showing a flat type showcase according to Embodiment 1. FIG. 3 is a diagram showing a cooling air circulation structure in the flat showcase according to the first embodiment. The same components as those in the related art are denoted by the same reference numerals, and description thereof will be omitted.
As shown in FIG. 1, a flat type showcase 1 according to Embodiment 1 has a box-shaped product storage section 2 that is open at the top, and is provided at a substantially central portion in the width direction at a predetermined interval. Cylindrical or prismatic columns 3A, 3B are provided upright. As shown in FIG. 2, the columns 3A and 3B are supported on the floor surface of the exterior panel 27 by support bases 3a and 3a provided below the floor plate 6. The support bases 3a, 3a form openings for passing cool air in the lateral direction, and further have openings that communicate with ducts inside the columns 3A, 3B described later.
A canopy 4 is attached to the upper ends of the columns 3A and 3B, and a shelf 5 is supported in the middle by a support section described later so as to be movable in the vertical direction.
The canopy 4 includes a cover portion 4a and a ceiling plate 4b, and the inside is hollow. The upper surface of the cover part 4a is formed by a flat plate part used as a display part for non-cold goods. The ceiling plate 4b has an opening communicating with the blowing ducts inside the columns 3A and 3B, and is provided with a blowing portion 7 for blowing cool air to the upper surface of the shelf plate 5. The blowout portion 7 is configured by a plurality of blowout holes for blowing out cool air formed substantially over the front surface of the ceiling plate.
The shelf 5 is formed of a single flat plate made of a transparent material such as a resin material, and has an opening through which the columns 3A and 3B are inserted. The support portions 8A and 8B for supporting the shelf 5 are composed of an annular base 8a through which the columns 3A and 3B are inserted and a support plate 8b for supporting the shelf 5 from below, and the base 8a and the columns 3A and 3B. The shelf plate 5 is supported at a predetermined height by inserting a fixing tool 8c such as a screw into the mounting hole formed in the shelf. In this case, the support holes 3A and 3B are provided with a plurality of the mounting holes in the vertical direction, and the shelf plate 5 can be supported so as to be movable in the vertical direction by changing the insertion position of the fixture 8c. A floor plate 6 is provided on the bottom surface of the product storage section 2.
[0010]
In the flat type showcase 1, as shown in FIG. 3, a suction port 9 is provided at an upper portion of one side surface of the product storage section 2, and air sucked from the suction port 9 passes through a suction duct 10 and is provided on a bottom surface. Heat is exchanged with the cooler 13 by the attraction of the fan 12 provided in the underfloor duct 11, and is blown out from the outlet 15 provided on the upper side of the other side of the product storage unit 2 through the blowout duct 14. The cooling means is constituted as described above, and the air heat exchanged by the cooler 13 is blown out from the outlet 15 toward the inlet 9 to form a cool air curtain and keep the product storage section 2 cool. be able to.
[0011]
In the flat showcase 1 according to the first embodiment, an auxiliary fan 16 is provided below the floor of each of the columns 3A and 3B (in or near the support bases 3a and 3b), and the inside of the columns 3A and 3B is cooled. A blow-up duct 17 for circulation is formed.
With the attraction of the auxiliary fan 16 provided near the entrance of the blow-up duct 17, a part of the cool air circulating in the product storage unit 2 passes from the underfloor duct 11 through the blow-up duct 17 formed inside the columns 3A, 3B, and the canopy. 4, and blows out from the blowout portion 7 provided on the ceiling plate 4b toward the entire upper surface of the shelf plate 5. Thereby, the product placed on the shelf 5 can be kept cool.
In consideration of the product display and the appearance, it is desirable that each of the columns 3A and 3B is formed to be thin. On the other hand, a sufficient amount of cool air blown from the blowout portion 7 provided on the canopy 4 is secured. It is necessary. Therefore, it is preferable that the inlet of the blow-up duct 17 be located downstream of the fan 12 at a portion where the static pressure is high. Further, by providing the auxiliary fan 16 on the downstream side of the fan 12, a sufficient amount of cool air can be supplied into the blow-up duct 17 of the columns 3A and 3B. In this case, the fan 12 has a positive pressure on the upstream side of the auxiliary fan 16, so that the fan characteristics of the auxiliary fan 16 can be optimized.
[0012]
As described above, the flat showcase according to the first embodiment supports the shelf board by the pillars erected in the product storage unit, so that products from one side to the other side of the product storage unit can be used. Viewing and taking out can be enabled.
Further, a cool air circulation duct for circulating a part of the cool air cooled by the cool keeping means is formed inside the support, and a blowout part for blowing cool air to the upper part of the shelf is provided on the canopy. Since it is provided, it is possible to appropriately keep the product placed on the shelf board cool. In the above-described embodiment, the blowout portion has been described as being configured from a plurality of blowout holes.However, the present invention is not limited to this. Like a cool air outlet in a showcase, it may be constituted by a rectifying member such as a louver or a honeycomb. In this case, it is preferable to provide a blowing section over the front surface of the ceiling plate forming the canopy so that the cool air can be blown out to the entire upper surface of the shelf board.
In addition, since the auxiliary fan is provided near the entrance of the outlet duct inside the support, the amount of cool air blown from the outlet of the canopy to the shelf can be ensured.
[0013]
In the first embodiment, the two columns are described as being arranged side by side in the product storage section 2. However, the present invention is not limited to this, and only one column or three or more columns are provided. May be erected.
[0014]
Embodiment 2 FIG.
FIG. 4 is a diagram showing a cooling air circulation structure in the flat showcase according to the second embodiment.
In the first embodiment, the auxiliary fan 16 is provided to ensure a sufficient amount of cool air blown from the outlet 7 of the canopy 4 to the shelf 5, but the amount of cool air passing through the blow duct 14 is adjusted. By doing so, the auxiliary fan 16 may be omitted. The flat showcase according to the second embodiment includes a resistance plate 18 for reducing the amount of cool air passing through the blow-out duct 14 and increasing the static pressure near the inlet of the blow-up duct 17.
The resistance plate 18 is formed of a plate material having a size that covers the entire width of the blow-out duct 14 of the flat type showcase 1, and long holes having a predetermined width are formed in a row in the plate material at predetermined intervals.
By suppressing the passage of the cool air in the blow-off duct 14 by the resistance plate 18, the static pressure near the inlet of the blow-up duct 17 becomes high, and the amount of cool air supplied into the blow-up duct 17 can be secured. Therefore, it is possible to sufficiently secure the amount of cool air blown from the blowout portion 7 of the canopy 4 to the shelf 5 without providing the auxiliary fan 16 near the entrance of the blowup duct 17.
Here, as the resistance plate 18, a plate material in which long holes having a predetermined width are formed in a row is used. However, the present invention is not limited to this. As long as the amount of cold air to be reduced can be reduced, another configuration may be used.
[0015]
In each of the above embodiments, the heat exchange is performed by the cooler 13. However, as shown in FIG. 5, an auxiliary cooler 19 is separately provided in the underfloor duct 11, and the cooler 13 and the auxiliary cooler 19 are provided. The switching of the temperature zone may be made possible by switching the operation of the above.
In this example, the auxiliary cooler 19 is provided on the suction duct 10 side downstream of the fan 12 with respect to the inlet of the blow-up duct 17, and the cooler 13 is provided on the blow-out duct 14 side. In this case, the auxiliary cooler 19 is smaller than the cooler 13 and prevents the static pressure from being reduced by the auxiliary cooler 19. As described above, by preventing a decrease in the static pressure between the auxiliary cooler 19 and the cooler 13 in the underfloor duct 11, it is possible to secure an amount of cool air to be supplied to the blow-up duct 17.
Further, as shown in FIG. 6, a switch 4c for the temperature zone and a lamp 4d for turning on or off the temperature zone are provided on the canopy 4, and the cooler 13 is assisted in conjunction with the operation of the switch 4c. Switching of the operation with the cooler 19 is performed. By providing the temperature band changeover switch 4c on the canopy 4, the operability of the administrator can be improved. Here, as for the lamp 4d, two lamps having different colors may be attached, and the switching of the operation may be displayed by turning on either of them.
[0016]
【The invention's effect】
As described above, according to the flat type showcase of the present invention, since the shelf board is supported by the pillars erected in the product storage section, the products on the other side of the product storage section can be visually recognized. And removal is possible.
Also, since a cool air circulation duct for circulating a part of the cool air cooled by the cool keeping means is formed inside the support, and an outlet for blowing cool air to the upper part of the shelf is formed in the canopy, Appropriate cooling of the goods placed on the shelf board can be enabled.
[Brief description of the drawings]
FIG. 1 is a perspective view showing a flat type showcase according to an embodiment of the present invention.
FIG. 2 is a sectional view showing a flat type showcase according to one embodiment of the present invention.
FIG. 3 is an explanatory diagram showing a cooling air circulation structure in the flat showcase according to one embodiment of the present invention.
FIG. 4 is an explanatory view showing a cooling air circulation structure in a flat type showcase according to another embodiment of the present invention.
FIG. 5 is an explanatory view showing a cool air circulation structure in a flat showcase according to another embodiment of the present invention.
FIG. 6 is a sectional view of a main part of the flat showcase of the present invention.
FIG. 7 is a side sectional view showing a conventional flat showcase.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Flat-type showcase 2 Commodity storage part 3A, 3B Column 4 Canopy 4a Cover part 4b Ceiling plate 4c Switch 4d Lamp 5 Shelf 6 Floor plate 7 Blow-off hole 8 Support member 8a Base 8b Support plate 8c Fixing device 9 Suction port 10 Suction Duct 11 Under-floor duct 12 Fan 13 Cooler 14 Blow-out duct 15 Blow-out port 16 Auxiliary fan 17 Blow-up duct 18 Resistance plate 19 Auxiliary cooler

Claims (6)

In a flat type showcase provided with a product storage portion formed in a box shape with an open top, and a cold storage means for cooling the product storage portion by covering the product storage portion with a cool air curtain,
A post installed in the product storage unit, a canopy provided at the upper end of the support, and a shelf supported by the support at an upper position of the product storage unit,
A cool air blowing duct for blowing a part of the cool air cooled by the cooling means toward the canopy is formed inside the support, and a blowout section for blowing the cool air to the upper part of the shelf is provided in the canopy. A flat type showcase. The flat showcase according to claim 1, wherein an auxiliary fan for supplying cool air to the cool air blowing duct is provided near an inlet of the cool air blowing duct. The flat type showcase according to claim 1, wherein a resistance plate for adjusting the amount of cool air is provided in an outlet duct located on a cool air outlet side of the product storage section. The flat type showcase according to any one of claims 1 to 3, further comprising a support member that supports the shelf board so as to be vertically movable with respect to the support column. 2. A cooling device comprising said cooling device, comprising a main cooling device and an auxiliary cooling device, wherein a temperature zone can be switched by switching operation between the main cooling device and the auxiliary cooling device. 5. The flat showcase according to any one of items 1 to 4. The auxiliary cooler is smaller than the main cooler, and the main cooler is provided on the outlet duct side with respect to an inlet of the cool air blowing duct, and the auxiliary cooler is provided on the outlet duct side. The flat type showcase according to claim 5, wherein the flat type showcase is provided on a side of the suction duct facing the side.

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