JP6326873B2 - Cold air display case - Google Patents

Description

  The present invention relates to a cool air circulation type showcase for cooling goods displayed by circulating the cold air cooled by a cooling means from a cold air circulation passage into a cabinet.

  The cool air circulation showcase is provided with a cooling means and a cold air circulation fan in the cold air circulation passage formed between the outer box and the inner box of the case body consisting of a heat insulating housing. During the cooling operation, the cooling means and the cold air circulation fan are provided. The cool air that has been operated and cooled is circulated through the cool air circulation passage into the cabinet to cool the products displayed in the cabinet.

  In such a cold air circulation type showcase, in order to confirm that the displayed products are always cooled at an appropriate temperature, a thermometer is installed in the cabinet, and the temperature in the cabinet is displayed on the thermometer. (For example, refer to Patent Document 1).

  As shown in FIGS. 4 and 5, the internal temperature sensor 32 for detecting the temperature in the internal chamber 4 is attached to the rear panel sheet metal 31 constituting the wall surface of the inner box 3 with a sensor mounting bracket 41 with a screw 35. A cold air circulation type show in which the internal temperature is displayed on the internal temperature display 24 provided on the upper wall 21 of the outer box 2 based on the temperature signal detected and output by the internal temperature sensor 32 There is also a case 40.

JP 2002-323286 A

  In the cold air circulation type showcase 40 described above, since the internal temperature sensor 32 is attached to the rear panel metal plate 31 by the sensor mounting bracket 41, the cold air circulation fan is cooled by the cooling means 6 provided in the cold air circulation passage 5. 7, the internal temperature sensor 32 detects the temperature of the rear panel sheet metal 31 that is directly cooled by the cold air circulating from the cold air outlet 8 to the inlet 9. In this case, the internal temperature display There is a possibility that the temperature displayed on the part 24 is displayed lower than the actual temperature in the interior 4. And if the temperature lower than the actual temperature of the inside 4 is displayed on the inside temperature display part 24, the inside temperature will be raised because the inside 4 is too cold. There is a possibility that the interior 4 of the showcase 40 deviates from an appropriate temperature range.

  In addition, when the product display case 10 arranged in the interior 4 is attached or detached, there is a possibility that the interior temperature sensor 32 may be damaged due to inconvenience such as the product display case 10 hitting the interior temperature sensor 32.

  The present invention has been made to solve the above-described problems, and it is an object of the present invention to provide a cool air circulation type showcase that accurately detects the internal temperature and does not damage the internal temperature sensor. And

In order to achieve the above object, a cold air circulation type showcase according to claim 1 of the present invention is provided with a cooling means and a cold air circulation fan in a cold air circulation passage formed between an outer box and an inner box of a case body. The cooling means and the cool air circulation fan are operated to cool the cool air blown from the cool air outlet of the cool air circulation passage to cool the inside of the refrigerator, and the suction is formed through the suction port formed to face the cool air outlet Thus, in the cold-air circulation type showcase for circulating and cooling the cold air in the cabinet, the wall surface is formed on the inner box side wall on the side where the cold air outlet is provided, by expanding the wall surface to the inside of the cabinet. The inner wall is provided with a recess that communicates with the interior, and the interior temperature sensor that detects the interior temperature is provided on the inner wall of the interior box through a heat insulating member. By Characterized in that mounted arranged in a manner spaced apart from the inner box wall-covered recess.

According to the first aspect of the present invention, the cooling means and the cold air circulation fan are provided in the cold air circulation passage formed between the outer box and the inner box of the case main body, and the cooling means and the cold air circulation fan are operated to cool. Cool air is blown out from the cold air outlet of the cold air circulation passage to cool the inside of the cabinet, and cool air is circulated and cooled in the cabinet so as to be sucked in from the suction port formed to face the cold air outlet. In the cold-air circulation type showcase, a recess having an aspect in which the inner space communicates with the inner wall of the inner box side wall on the side where the cold air outlet is provided and the wall surface is expanded toward the inner side. The inside temperature sensor which detects temperature in the above-mentioned warehouse is separated from the above-mentioned inner box wall surface in the crevice covered with the wall surface which protrudes inside the warehouse provided in the above-mentioned inner box side wall via a heat insulation member Arranged in By attached Te, accurately detect the temperature inside the refrigerator, the interior temperature sensor it is possible to provide a cold air circulating showcases without damage.

It is a section side view showing typically the case where the internal structure of the cold-air circulation type showcase which is an embodiment of the invention is seen from the side. FIG. 2A is a cross-sectional side view, and FIG. 2B is a front view, schematically showing a mounting structure of the inside temperature sensor of the cool air circulation type showcase shown in FIG. The sensor attachment member shown in FIG. 2 is shown, FIG. 3 (a) is the side view, FIG.3 (b) is a front view. It is a sectional side view showing typically the case where the internal structure of the conventional cold-air circulation type showcase is seen from the side. FIG. 5A is a cross-sectional side view, and FIG. 5B is a front view, schematically showing a mounting structure of the inside temperature sensor of the cold-air circulation type showcase shown in FIG.

  Hereinafter, preferred embodiments of a cold-air circulation type showcase according to the present invention will be described in detail with reference to the drawings. Note that the present invention is not limited to the embodiments. In addition, the same reference numerals are used for the same configuration as the conventional one.

  FIG. 1 is a cross-sectional side view schematically showing a case where an internal structure of a cold-air circulation type showcase according to an embodiment of the present invention is viewed from the side.

  As shown in the figure, a cold-air circulation type showcase 1 includes a case main body outer box 2 formed of a heat-insulating housing, an inner box 3 having an upper surface opened and forming an interior 4 inside, an outer box 2 and an inner box 2. The cool air circulation passage 5 is formed between the box 3 and the inner box 3 so as to surround the inner box 3.

  The cold air circulation passage 5 is provided with a cooling means 6 and a cold air circulation fan 7, and the cold air outlet 8 and the air intake 9 of the internal air are opposed to each other so that both ends of the cold air circulation passage 5 sandwich the inside 4. It is open. A product display case 10 for displaying products is arranged in the cabinet 4.

  Further, the outer box 2 has an upper wall 21 with an opening 22 formed on the upper surface, the periphery of the upper wall 21 is covered with an acrylic fence 23, and the upper surface of the upper wall 21 is for displaying the temperature of the interior 4. An internal temperature display unit 24 is provided. The temperature displayed on the internal temperature display unit 24 is detected by an internal temperature sensor 32 attached to the back panel metal plate 31 that forms the side wall of the inner box 3 where the cold air outlet 8 is provided. The temperature in the cabinet 4 is displayed based on the temperature signal output.

  During the cooling operation, the cooling means 6 and the cold air circulation fan 7 are operated, and the cold air cooled by the cooling means 6 by the cooling means 6 is cooled by the cooling means 6 and the cold air outlet 8 of the cold air circulation passage 5 is cooled by the cold air circulation fan 7. The product displayed in the product display case 10 in the store 4 is cooled by circulating air from the store to the store 4.

  Here, the mounting structure of the internal temperature sensor 32 that detects the temperature of the internal chamber 4 will be described in detail with reference to FIGS.

  FIG. 2 schematically shows a mounting structure of the inside temperature sensor of the cool air circulation type showcase shown in FIG. 1, FIG. 2 (a) is a sectional side view thereof, and FIG. 2 (b) is a front view thereof. 3 shows the sensor mounting member shown in FIG. 2, FIG. 3 (a) is a side view thereof, and FIG. 3 (b) is a front view thereof.

  As shown in FIGS. 2 and 3, the internal temperature sensor 32 is attached to the sensor mounting bracket 34 with a screw 35 through a nylon clamp (heat insulating member) 33. Further, the rear panel sheet metal 31 is provided with a recess 31a. And the sensor internal bracket 34 is attached to the back panel sheet metal 31 with the screw 35, and the internal temperature sensor 32 is attached in the aspect accommodated in the recessed part 31a.

  In this way, the internal temperature sensor 32 that detects the temperature of the internal chamber 4 and outputs a temperature signal is connected to the cold air outlet 8 of the inner box 3 through the nylon clamp (heat insulating member) 33. By attaching to the recessed part 31a of the back panel sheet metal 31 which comprises a side wall, the temperature in the store | warehouse | chamber 4 can be detected correctly, and the cool air circulation type showcase 1 without the chamber temperature sensor 32 being damaged can be provided. .

  Further, the internal temperature sensor 32 is attached in such a manner that the internal temperature sensor 32 is accommodated in the recess 31 a of the back panel sheet metal 31, thereby protecting the internal temperature sensor 32 from the attachment and detachment of the product display case 10 disposed in the internal storage 4. Thus, it is possible to provide the cool air circulation type showcase 1 in which the internal temperature sensor 32 is not damaged.

As described above, according to the present invention, the cooling means 6 and the cool air circulation fan 7 are provided in the cool air circulation passage 5 formed between the outer box 2 and the inner box 3 of the case body, and the cooling means 6 and the cool air are provided. The cold air cooled by operating the circulation fan 7 is blown out from the cold air outlet 8 of the cold air circulation passage 5 to cool the inside 4 and to be sucked in from the suction port 9 formed facing the cold air outlet 8. In the cold-air circulation type showcase that circulates and cools the cool air in the interior 4 and cools it, the back panel sheet metal 31 constituting the side wall of the inner box 3 on the side where the cool air outlet 8 is provided is connected to the back panel. An in-chamber temperature sensor 32 that detects the temperature of the inside 4 is provided by providing a recess 31 a that is formed by bulging the wall surface of the sheet metal 31 toward the inside 4 and has an internal space communicating with the inside 4. , Nylon class Apart from the pull said inner box wall (the heat insulating member) box 33 through the side wall (rear panel of sheet metal 31) covered by a wall which projects the internal 4 side provided in the recess 31a (the back panel sheet metal 31) By arranging and attaching in such a manner, it is possible to accurately detect the temperature of the interior 4 and provide the cool air circulation type showcase 1 in which the interior temperature sensor 32 is not damaged.

  In addition, the internal temperature sensor 32 is attached in a state of being accommodated in the recess 31a, thereby protecting the internal temperature sensor 32 from the attachment and detachment of the product display case 10 disposed in the internal compartment 4, thereby It becomes possible to provide the cold air circulation type showcase 1 in which the temperature sensor 32 is not damaged.

  Further, the sensor mounting bracket 34 may be attached to the rear panel sheet metal 31 by welding instead of the screw 35.

  In the illustrated embodiment, the flat cold air circulation type showcase has been described as an object of implementation, but the cold air circulation type showcase to which the present invention is applied is not limited to the flat type cold air circulation type showcase, and has a front door. The present invention can be similarly applied to a reach-in type cold air circulation type showcase, a cold air circulation type open showcase, and a freezer.

DESCRIPTION OF SYMBOLS 1 Cold air circulation type showcase 2 Outer box 3 Inner box 4 Inside 5 Cold air circulation passage 6 Cooling means 7 Cooling air circulation fan 8 Cooling air outlet 9 Suction port 10 Commodity display case 24 Inside temperature display part 31 Back panel sheet metal 31a Recessed part 32 Internal temperature sensor 33 Nylon clamp (heat insulation member)
34 Sensor mounting bracket 40 Cold air circulation type showcase 41 Sensor mounting bracket

Claims (1)

A cooling means and a cooling air circulation fan are provided in a cooling air circulation passage formed between the outer box and the inner box of the case body, and the cooling air cooled by operating the cooling means and the cooling air circulation fan is blown into the cooling air circulation passage. In the cold-air circulation type showcase that cools the inside of the cabinet by blowing it from the outlet and cooling the inside of the cabinet by sucking from the suction port formed so as to face the cold-air outlet, On the inner box side wall on the side where the air outlet is provided, a concave portion is formed in such a manner that the inner wall communicates with the inner space while the wall surface is bulged to the inner side, and the temperature in the inner space is set. characterized in that the inside temperature sensor for detecting, mounted and arranged in a manner spaced apart from the inner box wall surface covered with the recess by wall projecting refrigerator inside which is provided within said box side walls via a heat insulating member Cold air circulating showcase that.

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