JP2012030175A - Filter and low temperature storage using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a filter which can be attached regardless of the design of a machine room cover for occluding an opening of a machine room, and a low temperature storage using the filter.SOLUTION: The filter 35 is integrally provided with a louver part 32 for deciding a wind direction and a mesh 33 for capturing dust, wherein the filter 35 is attached to the machine room cover 29 that has a suction port 29A to take the outside air in, corresponding to a suction port 29A, so that the wind direction can be decided by the louver part 32 provided for the filter 35 and the dust can be captured by the mesh 33 without providing a louver for the machine room cover 29.

Description

  The present invention relates to a structure of a filter, and more particularly to a structure of a filter attached to a machine room cover that closes a machine room opening of a cold storage.

  2. Description of the Related Art Conventionally, a low temperature storage or the like has a machine room in which devices such as a compressor and a condenser are arranged, and an air suction for sucking air for cooling the machine room is provided on one surface, for example, the front surface of the machine room. Mouth is formed.

  For example, in a showcase as shown in Patent Document 1, a front panel that closes the front side of a machine room is provided, and the front panel has an opening at a position corresponding to a condenser disposed in the machine room. Is formed. And the louver which determines a wind direction is attached to this opening part. Further, a mesh net is detachably attached to the louver attached to the front panel. As a result, when the condenser blower disposed in the machine room is operated, outside air is sucked into the machine room from the opening formed in the front panel, and after cooling the condenser, the compressor, etc., the rear of the machine room Exhausted from.

JP 2002-224520 A

  However, in the configuration as described above, the louver that closes the opening of the front panel is configured according to the design of the front panel. When the design of the device itself is changed, the design of the louver is also changed. The Rukoto. Therefore, it was necessary to perform a cooling performance test in the machine room each time the louver design was changed.

  Further, since the mesh net attached to the front panel is configured in a plate shape having a predetermined rigidity, even if the shape of the front panel is curved, the front panel It was difficult to attach along the shape of the front panel, and it was often attached with a gap from the opening of the front panel.

  The present invention has been made to solve the conventional technical problem, and provides a filter that can be attached regardless of the design of the machine room cover that closes the opening of the machine room, and a low-temperature storage using the filter. To do.

  In order to solve the above-described problems, the filter of the present invention is characterized by integrally including a louver portion for determining the wind direction and a mesh for capturing dust.

  The invention of claim 2 is characterized in that in the above invention, flexibility is provided so as to be deformable.

  The low-temperature storage of the invention of claim 3 is a storage room configured in a main body composed of a heat insulating wall, a machine room configured outside the heat insulating wall, a condenser and a blower for condenser installed in the machine room, A machine room cover for closing the opening of the machine room, the machine room cover has a suction port for taking in outside air, and the filter of each of the inventions is attached to the machine room cover corresponding to the suction port. It is characterized by being.

  According to a fourth aspect of the present invention, in the above invention, the storage chamber has an opening on the front surface, a door that closes the opening in an openable / closable manner, and a door that is replaceably attached to the door and covers the outer surface of the door. The machine room cover protrudes forward from the opening of the machine room until it is substantially flush with the door decoration cover, and the filter and the condenser are attached with the filter attached. A predetermined interval is formed between the two.

  According to the filter of the present invention, since the louver part for determining the wind direction and the mesh for capturing the dust are integrally provided, the filter is simply provided in the suction port of the housing. The wind direction can be determined by the provided louver part, and dust in the air can be captured by the mesh.

  Therefore, for example, as in the third aspect of the invention, a storage chamber configured in a main body made of a heat insulating wall, a machine chamber configured outside the heat insulating wall, a condenser and a condenser fan installed in the machine chamber And a machine room cover for closing the opening of the machine room, and the filter is attached to the machine room cover corresponding to the suction port in a low temperature storage having a suction port for taking outside air into the machine room cover As a result, it is not necessary to provide a special louver on the machine room cover side, and the structure of the machine room cover can be simplified.

  Moreover, since the louver part which adjusts a wind direction is provided in the filter, the design of a louver part can be made unnecessary for every thing with a different machine room cover. Therefore, the design cost can be reduced.

  Furthermore, according to the invention of claim 2, in addition to the above-described invention, the filter is provided with flexibility so as to be deformable, so that the attachment portion, for example, the shape of the machine room cover is curved. Even if it is a case, it becomes possible to deform | transform and attach a filter according to the said shape. Moreover, it becomes possible to hold | maintain this filter in the attachment location of a machine room cover with the tension | tensile_strength which filter itself has, and can attain simplification of an attachment structure.

  Further, according to the invention of claim 4, in the invention of claim 3, the front surface of the storage chamber is open, and a door that closes the opening in an openable / closable manner is attached to the door in an exchangeable manner. A door decoration cover that covers the outer surface of the door and projects forward from the door is provided. The machine room cover projects forward from the opening of the machine room until it is substantially flush with the door decoration cover, and a filter is attached. In this state, a predetermined space is formed between the filter and the condenser, so that a predetermined wind pressure adjusting space can be formed between the filter and the condenser.

  Therefore, even if the position of the suction port formed in the machine room cover and the position where the condenser is disposed are deviated, the outside air sucked from the suction port and the condenser in the machine room are efficiently It is possible to exchange heat.

It is a front view of the showcase of one Example to which the present invention is applied. It is a perspective view of the showcase of the state which removed the decoration cover from the state of FIG. It is a vertical side view of the showcase of FIG. It is the perspective view of the showcase replaced | exchanged for the door decoration cover of another shape. It is a perspective view of a filter. It is a perspective view from the front upper direction of a filter. It is a side view of a filter. It is a top view of a filter. It is a perspective view of the filter in the bent state. FIG. 10 is a plan view of FIG. 9.

  Hereinafter, embodiments of the present invention will be described in detail. The low-temperature storage S of the embodiment is a so-called low-temperature showcase for displaying and selling products such as beverages and foods provided with the filter 35 of the present invention, and is a vertically long rectangular heat insulating box constituting the main body 1. A display chamber 3 having a front surface opened in (heat insulating wall) 2 is configured. The front opening of the display chamber 3 is closed so as to be openable and closable by a door 4 pivotally supported by the main body 1 so as to be rotatable about the right side (one side) up and down, for example.

  The door 4 includes a surrounding metal door frame (sash) 6 and a multi-layer transparent glass plate 7 fitted inside the door frame 6, and the inside of the display chamber 3 is seen through from the outside through the glass plate 7. It is possible. Further, a handle 5 for opening and closing the door 4 is provided on the door frame 6 on the left side (non-pivot support side) toward the door 4.

  A machine room 8 is formed in the lower part of the main body 1, which is the lower side of the heat insulation box 2 (outside the display room 3 and outside the heat insulation box 2), and the refrigerant circuit of the cooling device R is placed in the machine room 8. A compressor (not shown), a condenser 9, a condenser blower 10, and the like are provided. The machine room 8 has an open front.

  On the other hand, in the display chamber 3, a plurality of shelves 11 for product display are installed. In addition, partition plates 12 and 13 are provided on the back and bottom surfaces of the heat insulation box 2 with a space therebetween, and communicate with each other between the partition plates 12 and 13 and the heat insulation box 2. A back duct 14 and a bottom duct 16 are formed, and the display chamber 3 is formed inside the partition plates 12 and 13.

  Further, a cold air outlet 17 communicated with the rear duct 14 is provided between the upper end of the rear partition plate 12 and the heat insulation box 2, and a cold air inlet provided between the front end of the bottom partition plate 13 and the heat insulation box 2 is communicated with the bottom duct 16. It is set to 18. The bottom wall of the heat insulation box 2 is formed with through holes 19 and 21 positioned in the front and back of each other, and the bottom duct 16 is moved back and forth by a partition wall 13A hanging from the partition plate 13 between the communication holes 19 and 21. It is partitioned.

  Further, a heat-insulating cooling box 22 is attached to the bottom wall of the heat-insulating box 2 from the outside corresponding to the communication holes 19 and 21 and is located in the machine room 8. In this cooling box 22, a cooler 23 and a cool air circulation blower 24 constituting a refrigerant circuit of the cooling device R are housed. The cooler 23 causes the inside of the cooling box 22 to be connected to the communication hole 19 side and the communication hole 21 side. It is divided into. Accordingly, the display chamber 3-the cold air inlet 18-the bottom duct 16-the communication hole 19-the cooler circulation fan 24 (in the cooling box 22)-the cooler 23 (in the cooling box 22)-the communication hole 21-the bottom duct 16- A series of cold air passages are formed across the rear duct 14, the cold air outlet 17, and the display chamber 3.

  In the embodiment, a door decoration cover 31 made of hard synthetic resin is attached to the outer surface of the door 4. The door decoration cover 31 is attached to the door frame 6 so as to cover the outer surface of the door 4 (screwing). In this case, the door decoration cover 31 is in contact with the side surface (outer surface) of the door frame 6, the frame decoration portion 31 </ b> A that cannot be seen through is hidden from the front with a space from the front, and the glass plate 7 on the inside. And a transparent glass decorative portion 31B located in front of the glass plate 7 with a space therebetween, and the frame decorative portion 31A and the glass decorative portion 31B cover the entire outer surface of the door 4. .

  And the glass decoration part 31B is made into the curved shape which the center protruded ahead and both ends retreated, and when the inside of the display chamber 3 is seen from the front, it is considered so that a product display may be seen more three-dimensionally. Therefore, the door decoration cover 31 is configured to protrude forward from the door 4 by a predetermined dimension as a whole.

  Since the door decoration cover 31 is attached to the door 4 of the showcase S in such a manner that the door decoration cover 31 can be replaced, the installation place, the purpose of use, and the display, for example, when the door decoration cover 31 having another shape in FIG. By exchanging them according to the product, the design of the showcase S can be easily changed, and the sales effect can be significantly improved.

  A machine room cover 29 located below the door decoration cover 31 and closing the front opening of the machine room 8 so as to be openable and closable is detachably attached to the main body 1. In the present embodiment, the machine room cover 29 is formed so as to protrude forward until it is substantially flush with the front surface of the door decoration cover 31 positioned above the opening of the machine room 8.

  The machine room cover 29 is formed with a suction port 29A for taking outside air into the machine room 8, and a filter 35 is detachably attached to the machine room cover 29 corresponding to the suction port 29A. 2 is a grill plate having an opening corresponding to the front side of the condenser 9, and the outside air sucked from the suction port 29A through the filter 35 by the operation of the condenser blower 10 is efficiently supplied to the condenser 9. Plays a function to ventilate.

  Here, the filter 35 according to the present invention will be described in detail with reference to FIGS. 5 is a perspective view of the filter 35, FIG. 6 is a perspective view of the filter 35 from the upper front direction, FIG. 7 is a side view of the filter 35, FIG. 8 is a plan view of the filter 35, and FIG. FIG. 10 is a perspective view of FIG. 35, and FIG. 10 is a plan view of FIG.

  In the filter 35, a plurality of louver portions 32 provided at predetermined intervals and a mesh 33 provided on one end side of the louver portion 32 are integrally configured by a plurality of connecting bars 36. The louver part 32, the mesh 33, and the connecting bar 36 are all made of a hard synthetic resin having a predetermined flexibility.

  The louver part 32 determines the wind direction of the outside air passing through the filter 35, and all of them are arranged in one direction, in this case, in the vertical direction, with a predetermined interval. In this embodiment, since it is attached to the machine room cover 29 located on the lower side of the main body 1, the front end is provided at an angle inclined lower than the rear end.

  The mesh 33 captures dust contained in the outside air that passes through the filter 35, and is provided along the rear end surface of each louver portion 32.

  In this state, the louver part 32 and the mesh 33 are integrally formed by welding or the like by a plurality of connecting bars 36 extending in a direction substantially orthogonal to each louver part 32 and extending vertically in this case.

  Since the filter 35 having such a configuration is made of a material having a predetermined flexibility, it can be deformed by bending.

  With the above configuration, when attaching the filter 35 to the machine room cover 29, the machine room cover 29 is removed from the main body 1, and the filter 35 is attached from the rear surface side of the machine room cover 29. At this time, the louver part 32 is attached so as to face forward from the suction port 29 </ b> A of the machine room cover 29.

  At this time, when the filter holding portion is provided at the edge of the suction port 29A on the rear surface of the machine room cover 29, the filter 35 is bent by its flexibility and is directed to the edge of the suction port 29A. It may be held at that tension.

  Thereby, only by providing the filter 35 at the suction port 29 </ b> A of the machine room cover 29, the air direction of the outside air sucked into the machine room 8 can be determined by the louver part 32 provided in the filter 35, and the mesh 33 It becomes possible to capture dust contained in the outside air.

  Therefore, by sharing the filter 35 that is detachably attached, it is not necessary to provide a special louver on the machine room cover 29 side, and the structure of the machine room cover 29 can be simplified. Therefore, as shown in FIG. 4, every time the design of the machine room cover 29 is changed, the design of the louver portion can be made unnecessary, and the wind direction is changed by the louver portion 32 provided in the filter 35 that is made detachable. This makes it possible to determine the design cost and to further simplify the cooling test.

  The filter 35 is configured to face forward from the suction port 29A of the machine room cover 29. However, since the louver portion 32 inclined at a predetermined angle is formed in front of the mesh 33 that captures dust, the mesh 35 It is possible to make it difficult for the dust and the like captured by 33 to be seen from the front, and the appearance is not unsanitary. However, when a large amount of dust adheres to the mesh 33, it can be visually recognized through the louver portion 32, so that cleaning can be promoted.

  Further, since the filter 35 is flexible in order to be deformable, even if the shape of the machine room cover 29 serving as an attachment location is a curved cross-sectional shape, FIG. 9 or FIG. As shown in FIG. 5, the filter 35 can be deformed and attached according to the shape.

  Furthermore, as described above, the flexibility of the filter 35 can be used, and the filter 35 can be held by the filter holding portion of the machine room cover 29 by the tension of the deflected filter 35, thereby simplifying the mounting structure. Can be achieved.

  In particular, the low-temperature storage S in this embodiment includes a door decoration cover 31 protruding forward from the door 4, and the machine room cover 29 protrudes forward from the opening of the machine room 8 until it is substantially flush with the door decoration cover. Thus, with the filter 35 attached, a predetermined interval 40 is formed between the filter 35 and the condenser 9 disposed in the machine room 8 as shown in FIG. .

  Thereby, a predetermined wind pressure adjustment space can be formed between the filter 35 and the condenser 9. Therefore, even if the position of the suction port 29A formed in the machine room cover 29 and the position where the condenser 9 is disposed are deviated, the outside air sucked from the suction port 29A and the inside of the machine room 8 It is possible to efficiently exchange heat with the condenser 9.

S Low temperature storage R Cooling device 1 Body 2 Heat insulation box (heat insulation wall)
3 Display Room 4 Door 8 Machine Room 9 Condenser 10 Condenser Blower 23 Cooler 29 Machine Room Cover 29A Suction Port 31 Door Decoration Cover 32 Louver Part 33 Mesh 34 Grill Plate 35 Filter 36 Connecting Bar

Claims (4)

  A filter comprising a louver unit for determining a wind direction and a mesh for capturing dust.   The filter according to claim 1, wherein the filter is flexible so as to be deformable. A storage chamber configured in the main body composed of a heat insulating wall, a machine chamber configured outside the heat insulating wall, a condenser and a condenser fan installed in the machine chamber, and a machine chamber closing the opening of the machine chamber With a cover,
The filter according to claim 1 or 2, wherein the machine room cover has a suction port for taking in outside air, and the filter is attached to the machine room cover corresponding to the suction port. Low temperature storage used. The storage chamber has an opening on the front surface, a door that opens and closes the opening, and a door decorative cover that is attached to the door in an exchangeable manner to cover the outer surface of the door and protrudes forward from the door. Prepared,
The machine room cover protrudes forward from the opening of the machine room until it is substantially flush with the door decoration cover, and with the filter attached, a predetermined gap is provided between the filter and the condenser. 4. The cold storage according to claim 3, wherein the interval is configured.

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