JP2770146B2 - Refrigerated showcase - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerated showcase having an open upper surface, which is used in a store or a supermarket, and is used for displaying products while cooling them.

[0002]

2. Description of the Related Art As a refrigerated showcase having an open upper surface, for example, there is one shown in FIG. (01) is a base on which is placed on a floor, on its upper surface, the outer frame constituting the side view U-shaped heat insulating material is filled in the interior (02) is fixed.
On the inner side of the outer frame (02), like the side view the U-shaped form frame the (0
3) is provided, and a cool air circulation passageway (09) is formed between the outer frame (02) and the inner frame (03).

[0003] The inner frame (03) comprises a back plate (04), a bottom plate (05) and a front plate (0).
6) and a side plate (07), in which a product display room (08) for displaying products is defined. The cold air circulating passage (09), the fan (010) and a condenser (011) is disposed in the upper portion of the upper and front plate of the back plate of the inner frame (03) (04) (06), respectively , cold air outlet facing in the horizontal direction and (012), its
A cool air inlet (013) located at a lower position than the above is provided.

[0004] cold air, after blown through the cold air outlet (012), is sucked into the cold air suction port (013), the cold air circulating passage (09)
, And go again to the cold air outlet (012). as a result,
A horizontal air curtain is formed above the inner frame (03) , and
Some of the cool air descends on the way to cool the goods. (014)
Is a damper provided at the front of the outer frame (02).

[0005] refrigerated showcase such upper surface is open is a top compared to covered refrigerated showcase by the cover plate, legible display the products, and so easy access, Ri of many purchase points, rotation of the product It has the advantage of higher rates.

[0006]

The refrigerated showcase having an open top has the above advantages, but has a limited display space on the bottom plate (05). In such a case, there is a problem that the customer cannot recognize the brand or the like of the lower product, and the type of the product is limited.

A refrigerated showcase having an open upper surface is usually provided with a cold air outlet (012) and a cold air inlet (013) on a back plate (04) and a front plate (06) of an inner frame (03), respectively. Is provided, the horizontal distance between the cold air outlet (012) and the cold air inlet (013) is longer than the height difference between the two, and the air curtain to be formed is almost horizontal or inclined close to it. It becomes what has. Therefore, if the blowing output from the cool air outlet (012) is weak, the cool air will drop on the way to the cool air inlet (013), and the air curtain will not be sufficiently formed.

[0008] If, and to strengthen the blow-out force of the cold air outlet (012) in order to prevent such a thing, the load of the fan (09) becomes large, along with the electric power consumption rate is high, fan
The driving noise of (09) and the blowing sound of cold air will be loud. Ma
Was, in the case where cold air outlet (012) is not facing the correct cold air suction port (013), the cold air escapes to the outside, efficiently it is not possible to form an air curtain.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and an air curtain having a horizontal or nearly inclined angle capable of displaying various types of commodities and having an excessively large fan load. It is intended and without, moreover was to be efficiently formed, to provide a refrigerated showcase.

[0010]

According to the present invention, the above-mentioned problem is solved as follows. (1) A blower and a cooler are arranged in a cool air circulation passage formed between an outer frame having an open upper surface and an inner frame provided inside the outer frame and having an open upper surface. and, in the background of and frame provided with a cold air outlet, in the refrigerated showcase provided with the cold air suction port in the front plate, wherein the cool air outlet
At a higher position than the cold air inlet,
In front of the back plate and below the cool air outlet.
And close to the line connecting the cold air outlet and the cold air inlet
In addition, the front part slightly tilts down toward the cold air inlet
Provide a shelf, further between the cool air outlet and the shelf,
The back plate is provided with a through hole communicating with the cool air circulation passage .

(2) In the above item (1), a support plate projecting upward from the upper surface of the shelf plate is provided at an appropriate position on the shelf plate.

[0012]

[Function] A product is displayed on a shelf plate, and a part of the cool air flowing down from the cool air outlet to the cool air inlet flows down along the upper surface of the shelf plate, and a part of the cool air flows forward. From the front end to the cold air inlet effectively .

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment ( referred to as a first embodiment ) of a refrigerated showcase according to the present invention will be described below with reference to FIG. Note that members similar to those of the conventional example shown in FIG.
To stop the reference numeral was divided by the "0" at the beginning, and a detailed description thereof will be omitted.

A shelf (16) is provided on a bracket (15) fixed to the front surface of the back plate (4).
In a more downward, provided close to the line connecting the cold air outlet (17) cold air suction port (13), and to face towards the cold air suction port (13), the front is slightly where the downward . (18) is a shelf board
This is a lighting device for irradiating the product below (16).

The cold air outlet (17) of the first embodiment is directed to the cold air inlet (13), and the back plate (4) has a back plate.
There is provided a through hole (19) for communicating the cool air circulation passage (9) behind (4) with the commodity display room (8).

[0016] According to the first embodiment, since the cold air outlet (17) is facing the cold air suction port (13), cold air will be directed efficiently to the cold air suction port (13), further The cool air that has descended on the way to the cool air inlet (13) flows forward along the upper surface of the shelf (16), and heads toward the cool air inlet (13) from the front end of the shelf (16). An air curtain can be reliably formed.

Also, by displaying a different type of product on the shelf plate (16) from the product displayed on the bottom plate (5), the customer can recognize both brands and the like of both products.
The types of products to be displayed can be increased. Furthermore, cool air is introduced from the through holes (19) provided in the back plate (4) to the product display room.
Since it flows to (8), the lower part of the shelf (16) can also be cooled reliably.

Next , an embodiment of the present invention described in claim 2 ( first embodiment )
2 will be described with reference to FIG. The same members as those of the first embodiment shown in FIG. 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.

The difference between the second embodiment and the first embodiment is that
At the front end of (16), a support plate projecting upward from the upper surface of the shelf (16)
(20). The support plate (20) is often used as an indicator of the brand and price of a product in many cases, and may be provided at an intermediate portion of the shelf plate (16). As in the first embodiment, the cool air flowing forward along the upper surface of the shelf (16) gets over the support plate (20) and is once raised.
Even when the blowing output of the cool air outlet (17) is weak, the cool air can easily reach the cool air inlet (13), and the air curtain can be formed more reliably than in the first embodiment.

[0020]

According to the present invention, the following effects can be obtained. (a) By displaying a different type of product on the shelf plate than the product displayed on the bottom plate, the customer can recognize both brands and the like of both products, thereby increasing the types of products displayed. be able to. In addition, the cool air that has descended on the way to the cool air suction port flows forward along the upper surface of the shelf, and goes from the front end of the shelf to the cool air intake, so that the air curtain can be reliably formed.

( B ) Blowing out from the through hole between the cool air outlet and the shelf
The cooled air not only cools the products on the shelf,
Prevents the sudden fall of cold air blown out from the cool air outlet,
Along with the shelves, it can help to go to the cold air inlet
Yes, especially the space between the cool air outlet and the shelf is set wide
In some cases, the above-mentioned effect is effectively exerted and blown from the cool air outlet.
Sudden cooling of goods on the shelf due to the cold air
Can be prevented .

[0022] (c) Since the shelves are directed toward the cold air suction port, the cold air flowing forward along the upper surface of the shelf plate, so towards efficient cold air suction port, the air curtain more reliably formed Can.

( D ) Since the cool air outlet is directed toward the cool air inlet, the cool air is efficiently directed to the cool air inlet, and the air curtain can be more reliably formed.

( E ) The product can be cooled by the cool air flowing from the through hole, and the lower part of the shelf can also be cooled reliably.

( F ) According to the second aspect of the present invention, the cool air flowing forward along the upper surface of the shelf board climbs over the support plate and is once raised, so that the cool air outlet is weak. However, the cool air easily reaches the cool air suction port, and the air curtain can be formed more reliably.

[Brief description of the drawings]

FIG. 1 is a vertical sectional side view of a first embodiment of a refrigerated showcase of the present invention.

FIG. 2 is a longitudinal sectional side view of a refrigerated showcase according to a second embodiment of the present invention.

FIG. 3 is a vertical side view of a conventional refrigerated showcase.

[Explanation of symbols]

 (1) Base (2) Outer frame (3) Inner frame (4) Back plate (5) Bottom plate (6) Front plate (7) Side plate (8) Commodity display room (9) Cooling air circulation passage (10) Fan (11) Cooler (13) Cold air inlet (14) Damper (15) Bracket (16) Shelf (17) Cold air outlet (18) Lighting equipment (19) Through hole (20) Support plate

Claims (2)

(57) [Claims] A blower and a cooler are provided in a cool air circulation passage formed between an outer frame having an open upper surface and an inner frame provided inside the outer frame and having an open upper surface. Arrange,
And while providing a cool air outlet on the back plate of the inner frame, in a refrigerated showcase provided with a cool air inlet on the front plate, the cold air outlet, at a higher position than the cold air inlet,
Toward the cold air inlet and in front of the back plate,
Line connecting the cool air outlet and the cool air inlet below the outlet
With the front facing the cold air inlet.
A shelf that tilts slightly downward is provided, and a cool air outlet and shelf
Between the back plate and the passage for cooling air circulation
A refrigerated showcase with through holes . 2. The refrigerated showcase according to claim 1, further comprising a support plate projecting upward from an upper surface of the shelf plate at an appropriate position on the shelf plate.