JPH05203332A - Cooler and storage shed - Google Patents

Abstract

PURPOSE:To obtain a cooler and storage shed which can prevent dropdown of cooling efficiency and drain smoothly waterdrops generated on an exterior surrounding wall. CONSTITUTION:A storage shed 2 of a low temperature showcase 1 is formed of a transparent wall 5, a door is provided to open and close the storage shed 2, and a lower end part of the transparent wall 5 is received by a bottom frame 18. A receiving tray 21 which is positioned below the door for receiving waterdrops dropping down from the door and draining them to a machine room, and a water passage 19 which receives the waterdrops dropping from the transparent wall 5 and guides them to the receiving tray 21 are provided on the bottom frame 18.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cooling storage cabinet having a machine room below the storage room.

[0002]

2. Description of the Related Art Heretofore, a cooling storage of this kind has a storage room above and a machine room below equipped with a cooling device, as disclosed in Japanese Utility Model Publication No. 2-22622 (F25D21 / 14). Cold air cooled by a cooler provided in the cooling chamber is supplied to the storage chamber for cooling. Due to this cooling, dew condensation occurs on the transparent wall and the outer surface of the door forming the outer periphery of the storage chamber. Therefore, in the above publication, the dew condensation that has occurred on the outer surface of the transparent wall is collected by the frame that receives the lower end of the transparent wall and drained into the cooling chamber.

Condensation formed on the outer surface of the door is collected in a saucer located below the door, for example, in an evaporating tray provided in the machine room, as disclosed in Japanese Utility Model Laid-Open No. 16986/1990 (F25D21 / 14). It was draining.

[0004]

However, when the water droplets collected by the frame are drained into the cooling chamber as in Japanese Utility Model Publication No. 22622/1990, this drainage portion (in the above-mentioned publication, referred to as the outlet 24a) is used. ), The outside air enters the cooling chamber. Particularly, in the above-mentioned publication, since the drain portion is formed on the windward side of the blower (fan motor), the outside air having high temperature and high humidity is sucked into the cooling chamber and blown out into the storage chamber, so that the storage chamber is cooled. There was a problem that efficiency was reduced and energy loss occurred.

The present invention has been made in order to solve the above-mentioned conventional technical problems, and it is possible to prevent a decrease in cooling efficiency and to smoothly discharge water droplets generated on the outer peripheral wall. The purpose is to provide storage.

[0006]

A cooling storage (low temperature showcase) 1 according to the present invention comprises outer peripheral walls (transparent walls) 5, 5, 5 constituting a storage chamber 2 and a door 7 for opening and closing the storage chamber 2. , A bottom frame 18 for receiving the lower ends of the outer peripheral walls (transparent walls) 5, 5, 5.
A machine room 13 formed below the storage room 2, a saucer part 21 located below the door 7 for receiving water drops dripping from the door 7, and discharging the water drop into the machine room 13 and the bottom frame 18, and an outer periphery It has a water channel 19 that receives water drops dripping from the walls (transparent walls) 5, 5 and 5 and guides them to the saucer part 21.

[0007]

According to the present invention, the outer peripheral wall (transparent wall) 5, 5, 5
The dew condensation water generated on the outer surface of the is received by the water passage 19 of the bottom frame 18 and guided to the saucer portion 21 located below the door 7. In addition, the dew condensation water generated on the outer surface of the door 7 is below the saucer portion 2
1, and is discharged into the machine room 13 together with the guided water.

[0008]

Embodiments of the present invention will now be described with reference to the drawings. 1 is a plan sectional view of a low temperature showcase 1 as an embodiment of a cooling storage of the present invention, FIG. 2 is a perspective view of the low temperature showcase 1, FIG. 3 is a sectional view taken along the line AA of FIG. 1, and FIG. B of 1
-B line sectional drawing is shown, respectively.

Storage room 2 for displaying products of the low temperature showcase 1
Is a transparent paired glass transparent wall 5 as an outer peripheral wall supported by the front columns 3 and 3 and the rear columns 4 and 4 which are erected at the four corners,
5, 5 and the top wall 6 and the front transparent door 7. In the lower part of the storage chamber 2, a container-shaped heat insulating material 8 opened upward is provided, and in a cooling chamber 9 formed in the heat insulating material 8, a cooler 11 constituting a refrigeration cycle of a cooling device is provided. A blower 12 for circulating cold air is housed and arranged.

A machine room 13 is formed below the heat insulating material 8, and a compressor, a condenser, and an evaporation tray which form a refrigeration cycle (not shown) are housed therein. Reference numeral 14 is a front panel that opens and closes the front surface of the machine room 13, and 16 is an outer peripheral panel for concealing the outer periphery of the heat insulating material 8 and the machine room 13. Further, a fluorescent lamp 17 is attached in the vertical direction inside the front columns 3 and 3. Note that the door 7 is omitted in FIG. 1 for the sake of explanation, and the front and rear columns 3, 4 and the transparent wall 5 are omitted on the left side of FIG.

A bottom frame 18 is attached to the upper end of the heat insulating material 8. In this bottom frame 18, a series of water channels 19 located on the left and right and the outermost sides on the rear side, a saucer portion 21 located below the door 7 at the front end, a cool air discharge port 22 and a cool air located inside the right and left water channels 19 are provided. The suction port 23 and the suction port 23 are formed by integral molding of synthetic resin. A bottom plate 20 of the storage chamber 2 is installed on the bottom frame 18, and the storage chamber 2 and the cooling chamber 9 are vertically divided by the bottom plate 20 and the bottom frame 18. The waterway 1
The lower ends of the transparent walls 5, 5 and 5 are inserted into the pipe 9. Ribs 24 are formed to project in the water channel 19 at a predetermined interval. The frame 18 is supported at a predetermined distance from the water channel 19.
In addition, the ribs 24 prevent the water channel 19 from being blocked.
It projects to the middle part of the inside. Further, the saucer portion 21 is located at a position lower than the water channel 19, and the front portions 19 of the water channels 19 on the left and right are
A is communicated with the saucer portion 21 with a lower inclination to the front on the lower side and the outer side of the front support column 3.

Receiving holes 2 for pivotally supporting the door 7 so that the opening direction can be reversed are formed on both left and right sides of the tray portion 21 of the bottom frame 18.
6, 26 are formed. The door 7 is paired glass 27
And a hinge collar 2 protruding vertically from the door frame 28 and one side portion
The door 7 is rotatably supported by the bottom frame 18 by inserting the hinge collar 29 into one of the receiving holes 26. A magnet gasket 31 is attached to the inside of the door frame 28, and when the door 7 is closed, the gasket 31 is adsorbed to the stainless plate 32 attached to the bottom frame 18 on the rear side of the pan 21 to seal the storage chamber 2. To do. Further, the door frame 28 at the lower edge is spaced from the front surface of the paired glass 27, and the lower end surface of the door frame 28 has a through hole 33.
Has been drilled.

Furthermore, a drain hole 34 is formed in the tray portion 21, and the upper surface of the tray portion 21 is inclined downward toward the drain hole 34. A drain hose 35 is connected to the drain hole 34 from below, and the drain hose 35 is connected to the machine room 1
3 communicates with the evaporation tray (not shown) installed in the inside of the container 3.

The operation of the above configuration will be described below. When the cooling device is operated, the refrigerant evaporates in the cooler 11, thereby lowering the temperature of the cooler 11 and cooling the air in the cooling chamber 9. The cool air is blown into the storage chamber 2 above the outlet 22 by the blower 12, cools the inside of the storage chamber 2, and then returns to the inside of the cooling chamber 9 from the suction port 23. As a result, the inside of the storage chamber 2 is cooled to about + 5 ° C to + 10 ° C. Further, the frost of the cooler 11 grown by this cooling operation is periodically melted and guided to the evaporation tray (not shown) in the machine room 13 by a drain pipe (not shown).

On the other hand, due to the above cooling action, the transparent wall 5,
Since the temperatures of the doors 5, 5 and the door 7 decrease, the humidity in the outside air in contact with the water drops W to form condensation on the outer surfaces of the transparent walls 5, 5, 5 and the paired glass 27 of the door 7. The water droplets W that have condensed on the outer surface of the paired glass 27 of the door 7 eventually drop downward, flow into the door frame 28 from the gap between the door frame 28 and the paired glass 27 as shown by the arrow in FIG. To fall. The water droplet W that has dropped is the saucer portion 2 located below the door 7.
Water is collected at 1.

On the other hand, the water droplets W that have condensed on the outer surfaces of the transparent walls 5, 5, 5 similarly fall downward, and the bottom frame 1 as shown by the arrow in FIG.
8 and the transparent walls 5, 5, 5 flow into the water channel 19 and are collected in the water channel 19. As the water level rises, the water droplets W collected in the water channel 19 eventually flow in the water channel 19 as shown by the arrow in FIG.
It is guided by the inclination of 9A and flows into the saucer portion 21.

The dew condensation water of the transparent walls 5, 5, 5 and the door 7 thus collected in the pan 21 flows into the drain hole 34 along the inclination thereof and is discharged to the evaporation tray (not shown) by the drain hose 35. Will be done.

As described above, the water droplets W condensed on the outer surfaces of the transparent walls 5, 5, 5 are received by the water passage 19 of the bottom frame 18, guided by the front pan portion 21 and the water droplets W condensed on the outer surface of the door 7 are machined together. It is discharged to the evaporation tray in the chamber 13. Therefore, it is not necessary to discharge the water droplets W in the water passage 19 into the cooling chamber 9 as in the conventional case, thereby eliminating the need for an outlet portion that connects the cooling chamber 9 and the water passage 19. Therefore, it is possible to prevent the cooling efficiency from being lowered due to the invasion of the outside air into the cooling chamber 9 from the outlet portion as in the conventional case.

In the embodiment, the saucer portion 21 is integrally formed with the bottom frame 18 and the water passage 19, but the invention is not limited to this.
The bottom frame 18 and the bottom frame 18 may be formed as separate members, and the water channel 19 and the saucer portion 21 may be connected to each other in a state of being attached to the low temperature showcase 1.

[0020]

As described in detail above, according to the present invention, the water droplets condensed on the outer surface of the outer peripheral wall forming the storage chamber are received by the water passage of the bottom frame, and further guided by the saucer portion below the door so that the outer surface of the door is exposed. Since it is discharged into the machine room together with the dew condensation water from the inside of the storage room, it is not necessary to communicate the inside and outside of the storage room to discharge the water droplets in the water channel, and therefore, it is possible to prevent the conventional cooling efficiency from being lowered. ..

[Brief description of drawings]

FIG. 1 is a plan sectional view of a low temperature showcase as an embodiment of the present invention.

FIG. 2 is a perspective view of a low temperature showcase.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is a sectional view taken along line BB of FIG.

[Explanation of symbols]

 1 Low Temperature Showcase 2 Storage Room 5 Transparent Wall 7 Door 13 Machine Room 18 Bottom Frame 19 Water Channel 21 Saucepan

Claims (1)

[Claims] 1. An outer peripheral wall that constitutes a storage chamber, a door that opens and closes the storage chamber, and a bottom frame that receives a lower end portion of the outer peripheral wall,
A machine room configured below the storage chamber, a saucer portion located below the door, configured to receive the water droplets dripping from the door and discharge the water to the machine chamber, and a bottom frame, and drips from the outer peripheral wall. And a water channel for receiving water drops and guiding the water to the saucer.