TWI260214B - Walking open show case - Google Patents

Abstract

The present invention is to provide a walking open show case which has a construction of double air curtains, therefore, the desired freezing capability can be lowered. The walking open show case of the present invention comprises a commodity show portion 1 being toward inner of shop and having a front opening, a back yard 2 being behind the commodity show portion 1 and accommodating back-up commodities, an inner wind path device 3 forming air curtain at the front opening 12 of the commodity show portion 1, a cooling unit 31 of the inner wind path device 3 being installed between a ceiling portion 14 of the commodity show portion 1 and a ceiling portion 22 of the back yard 22, characterized in that an outer wind path device 4 passes a gap between the cooling unit 31 and the ceiling portion 22 of the back yard, and forms a construction of the other air curtain on out side of the air curtain. Therefore, the double air curtains are formed on the front opening 12.

Description

1260214 玫, the invention description (the description of the invention should be described: the technical field, the prior art, the content, the embodiment and the schematic description of the invention) (1) The technical field of the invention relates to a large open display cabinet, It is used as a merchandise storage room after the merchandise display department. (ii) Prior Art Conventional large open display cabinets are shown in Figure 4.

The display cabinet has a product display unit 1 that faces the inside of the store and has an opening at the front; a display cabinet that stores the back court 2 of the product after the product display unit 1 is purchased, and the product A on the product rack 1 is purchased. At the time, the hand inserts the front opening 1 2 from the inside of the store to purchase the product A. On the other hand, when the product A is replenished on the product rack 1 1 , the product A is taken out from the storage rack 2 1 of the back court 2, and after the back door 1 3 of the product display unit 1 is opened, the product rack 1 1 is opened. Add on it. The display cabinet can be constructed to be first in, first out, and can be easily replenished from the back court 2.

Further, in such a display case, in order to cool the product display cassette and the product A of the back court 2, the cold air passage means 3 having the cooling unit 31 is provided. The cooling unit 31 is disposed between the ceiling portion 14 of the product display unit 1 and the ceiling portion 22 of the rear panel 2, and is suspended from the ceiling portion 22 of the rear court 2 by the suspension metal fittings 3 3 . When the product A is kept cool, as shown by the solid arrow in the figure 4, the air in the back chamber 2 passes through the cooling unit 3 1 , where the generated cold air is formed to open in the front through the blowing duct 3 2 . The blown air curtain 1 keeps the merchandise display unit 1 cold, and the cold air returns to the rear -6-1260214 court 2 to pre-cool the stored merchandise A. However, in the display case of the prior art, the front opening 12 of the merchandise display portion is formed on the bottom side of the rear court 2 from the ceiling portion 4, so that the upper and lower dimensions of the air curtain become extremely long. However, due to the long size of the air curtain, the wind speed of the air conditioner must be set very fast.

However, when the wind speed of the air curtain becomes faster, it is possible to prevent air from entering the product display unit from the store or leaking air from the product display unit 1 to the store. However, since the wind speed is fast, the product is displayed in the product display. Since the cold air in the upper portion of the portion 1 is reduced, there is a problem that the upper display article A is not too cold, and therefore it is necessary to increase the required freezing capacity of the refrigerator, so that the cooling efficiency of the product display portion 1 is lowered.

To solve this problem, consider using a double air curtain construction that is typically used in open display cases. In order to adopt such a double air curtain structure, although it is necessary to provide the cooling unit 31 and the other cold air passage means on the installation space 23, the installation space 2 3 has been used as a commodity storage space as shown in FIG. In essence, it is no longer possible to install other air passage devices. (III) SUMMARY OF THE INVENTION The present invention has been developed in view of the problems of the prior art, and an object thereof is to provide a large open display cabinet which can utilize a double air curtain structure to reduce required refrigeration capacity and which does not have to be An outside air passage device is provided by preparing new air above the ceiling portion of the merchandise display unit. In order to solve the above problems, the present invention provides a large-sized open display cabinet having a product display portion facing the inside of the store and having an opening at the front side, and a rear court for storing supplementary products after the product display portion; - 7- 1260214 A cold air duct device having an air curtain formed on the opening of the front portion, the cooling unit of the cold air duct device being disposed in a large open display cabinet between the ceiling portion of the merchandise display portion and the ceiling portion of the back court, There is an outer air passage device that forms a configuration of another air curtain on the outer side of the air curtain through a gap between the cooling unit and the ceiling portion of the back court. According to the present invention, the air in the back court is passed between the cooling unit and the ceiling portion of the back court by the driving of the outer air passage means, and is blown on the front opening to form an air curtain. Since this air curtain is formed on the outer side of the air curtain passing through the cooling unit of the cooling unit, a double air curtain is formed on the opening of the surface. (4) Embodiments Embodiments of the invention

1 to 3 are views showing an embodiment of a large open display case relating to the present invention. Fig. 1 is a side sectional view of the large open display case, and Fig. 2 is a plan view showing the outer air path device, and Fig. 3 is a plan view An oblique view showing the assembly of the suspended metal fittings. The same components as the prior art large open display cabinet shown in Fig. 4 are denoted by the same reference numerals. The large-sized open display cabinet is integrally formed by the product display unit 1 for displaying the merchandise, and the back court 2 of the product A replenished on the storage product display unit 1. Therefore, the front opening 12 of the merchandise display unit 1 is directed toward the store. On the other hand, the opening of the product display unit 1 is connected to the back chamber 2. The 5H merchandise display unit 1 is provided with a merchandise rack 1 for a plurality of sections, and the merchandise rack 1 of the merchandise rack 1 is taken out from the store through the front opening 1 2 . On the other hand, a back door 1 3 is provided on the back surface of the product display unit 1, and the product A is on - 8 - 1260214 3 3 d, and the screw is provided between the both ends via the unit cover 3 1 3 (screw 3). 3 2 b ) is fixed on the cooling unit 31. Therefore, the cooling unit 31 is suspended and fixed on the ceiling 邰 2 2 of the back court 2. On the other hand, as shown in Fig. 1, the outer air passage device 4 has an outer air circulation fan 41 disposed in front of the cooling unit 31. Further, the suction side of the side air circulation fan 41 faces the rear chamber 2, and it can suck the air in the rear chamber 2. Sister, the external air passage device 4 has a fan that can circulate the air outside.

4! The air to be sucked is introduced into a series of ventilation structures of the outer blowing air duct 42. This ventilation structure is formed by the suspension metal fitting 3 3 and the unit cover 3 1 3 , and the configuration thereof will be described with reference to FIGS. 2 and 3 .

That is, the cross section of the unit fixing bracket 332 of the suspension metal fitting 33 is formed substantially in a U shape, and thus the ceiling portion 22 and the unit cover 3 1 3 are formed only at the height of the unit fixing bracket 332. Clearance (outer ventilation path 43 1 ). Further, the front and rear ceiling fixing brackets 331 are disposed on the outer side of the front end portion of the unit cover 313. Therefore, a gap is formed between the ceiling fixing bracket 3 3 1 on the rear side and the rear end of the unit cover 3 1 3, and this gap becomes a ventilation inlet 43 2 in which the outer air passage 431 communicates with the outer air circulation fan 41. Further, a gap is formed between the front side ceiling fixing bracket 3 3 1 and the front end of the unit cover 3 1 3, and this gap becomes a ventilation outlet 433 which communicates with the outer air blowing duct 42 and the outer air passage 43 1 . Therefore, the air taken in by the outside air circulation fan (41) flows to the ventilation outlets 433 via the vent inlets 433 as shown in Figs. 1 and 2, and the air passages are blown from the outside through the vent outlets 4 3 3 . 42 Blowing out the air venting device 3 and the ventilating device 4 on the outside can circulate the air in the back -10- 1260214. Here, the space circulated by the inside ventilation device 3 is not cooled by the cross-hatching arrow in Fig. 1, and is cooled at the cooling smear: 31, and then flows to the air rectifier 15 through the inside blowing air passage 3 2 . Then, the cold air blown out from the air conditioning 15 flows to the lower side of the front surface opening 1 2 of the merchandise display portion 1 and forms an inner air curtain at the front opening 1 2 . The cold air sent out below passes through the suction port 16 to the lower passage 17 and is returned to the rear chamber 2 by the lower circulation fan 18.

On the other hand, the air circulated by the outside ventilation device 4 flows to the outer ventilation path 4 3 1 (flowing in the cooler 3 1 1) as indicated by the dotted arrow in FIG. 1 , and then blows out the air passage 42 through the outside. And flow to the air rectifier 15. Then, the cold air blown from the air rectifier 15 flows downward in the front surface opening 1 of the product display portion 1, and forms an outer air curtain in the front opening 12. The cold air sent out below passes through the suction port 16 to the lower passage 17 and is returned to the rear chamber 2 by the lower circulation fan 18.

According to the large open display case according to the present embodiment, an air curtain that cools the cold air cooled by the cooler 31 can be formed inside the front opening 1 2 of the product display portion 1, and non-cooling is formed outside the air curtain of the cold air. The air curtain thus forms a double air curtain having a different temperature, so that the cooling efficiency of the merchandise display portion 1 can be improved, and the required freezing ability can also be lowered. Further, the outer side ventilation passage 4 311 is a space (dead angle) in which the suspension metal fitting 33 is used when the cooling unit 31 is installed in the ceiling portion 2 2, so that each of the air passage devices 3 and 4 The upper and lower dimensions do not become larger. Moreover, the existing installation space 2 3 - the point does not need to be changed. This installation space 23 can utilize the same space as the prior art for placing the product A. _ 1 1 - 1260214 Moreover, the inner air circulation fan 3 1 2 of the inner air passage device 3 and the outer air circulation fan 4 1 of the outer ventilation device 4 are respectively disposed, and the ventilation paths do not interfere with each other, so the cooler 3 1 1 The heat exchange capability also maintains the same capabilities as the large open display cabinets of the prior art. Effect of the invention

As described above, according to the present invention, an air curtain for cooling the cold air cooled by the unit is formed inside the front opening of the merchandise display portion, and an uncooled air curtain is formed outside the air curtain of the cold air, thereby forming a temperature. Different double air curtains can increase the cooling efficiency of the merchandise display and the required refrigeration capacity can be reduced. Further, by the driving of the outer air passage device, the air in the rear chamber is passed through the gap between the cooling unit and the ceiling portion of the back court, and is blown out from the front opening, so that the existing gap can be used as the outer air passage device. Since the ventilation path is provided, the overall size of each of the air passage devices does not become large. (5) Simple illustration

1 is a side cross-sectional view of a large open display cabinet of the present invention; FIG. 2 is a plan view showing the outer air passage device; FIG. 3 is a perspective view showing a configuration of a suspension metal fitting; and FIG. 4 is a large view of the prior art. Side profile view of the open display case. Explanation of Symbols A Commodity 1 Commodity Display Department 2 Backyard 3 Inner Wind Road Installation -12 - 1260214 4 External Air Circuit Unit 11 Shangkou Mouth Frame 1 2 Front opening □ 13 Rear door 14 days - H- slab part 15 Air rectifier 16 Suction □ 17 Lower side passage 18 Lower circulation fan 21 Storage rack 22 Spontaneized plate section 23 Installation space 3 1 Cooling unit 32 Inside blowing duct 33 County hanging metal fittings 4 1 Outside air circulation fan 42 Outside blowing duct 3 11 Cooler 3 12 Inner air circulation fan 3 13 Unit cover 33 1 Naturalization plate fixing bracket 331b Screw hole 33 1a Upper plate 331d Lower plate

-13- 1260214 33 1c Screw 332 Unit fixing bracket 332a, 332b Screw 43 1 Outer air duct 432 Ventilation inlet 433 Ventilation outlet

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Claims (1)

1260214 哔April 18th, Yongzheng added the 9th 1 0 3 2 6 "large open display case" patent case (April 18, 2006 amendment) Pick up, apply for patent scope 1. A large open display case The utility model further comprises: a product display portion facing the inside of the store and having an opening at the front; a rear court for storing the supplementary product after the product display portion; and an air-conditioning air passage formed on the front opening of the product display portion The cooling unit of the cold air duct device is disposed between the ceiling portion of the product display portion and the ceiling portion of the back court, and is characterized in that it has an external air passage device that passes through the cooling unit and the ceiling portion of the back court. A gap between the other forms an air curtain on the outer side of the air curtain.