JP2008215744A - Cold storage - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a low-temperature storage capable of improving appearance and transporting performance by eliminating projection to the outside, of a cooling device of the low-temperature storage and provided with the cooling device easy in repair and replacement. <P>SOLUTION: This low-temperature storage comprises a storage compartment 11 for cooling and storing food and the like, and the cooling device 12 composed of a cooling portion for cooling the storage compartment 11, and a heating portion constituted by surrounding a radiator and a compressor by a heat insulating material. The cooling device 12 can be installed from the outside of the storage compartment 11, prevented from projecting from an outer face of the storage compartment 11 after installation, and received in the storage compartment 11 from an outer side of the storage compartment 11, thus an outer face of the storage compartment 11 can be made flat, which improves appearance, and effectively used for placing an article and the like. Further the cooling device can be mounted and demounted from the outside, and repair and check of the cooling device 12 can be easily performed. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a low temperature storage.

  Conventionally, this type of low-temperature storage is configured such that a cooling device is placed on the upper surface of the storage chamber and cooling air flows from the lower portion of the cooling device into the storage through the opening on the top surface of the storage chamber.

  FIG. 7 is a perspective view of a conventional low temperature storage, FIG. 8 is a perspective view showing an opening of a storage chamber of a conventional low temperature storage, and FIG. 9 is a cross-sectional view of a conventional cooling device.

  As shown in FIG. 7, the cold storage 1 has a cooling device 4 placed on the top surface of a highly heat-insulating storage room 2 having a door 3 on the front surface.

  As shown in FIG. 8, the cooling air is configured to flow into the storage chamber 2 from the opening 5 on the top surface of the low temperature storage 1.

As shown in FIG. 9, the internal structure of the cooling device 4 is provided with a square hole for sucking the air in the cool box on the cooling side and discharging it after cooling, relative to the opening 5 on the top surface of the cold storage 1. It has been. Further, the cooling air flows as shown by the arrows in FIG. 9, and the cooling side is surrounded by a heat insulating box to prevent the cold air leakage on the storage chamber 2 side.
JP 2003-302141 A

  However, in the above conventional configuration, the cooling device 4 is on the ceiling surface of the storage chamber 2, and the ceiling surface of the storage chamber 2 that is larger than the area of the cooling device 4 is effectively used in order to secure an air passage for heat dissipation. I can't. In general, this type of low-temperature storage is widely used for cooling foods such as agricultural products, and there are many large items, and the cooling device 4 is placed on a part of the ceiling surface together with the downsizing of the cooling device 4. In addition to deteriorating the appearance, a waste of space occurs. Furthermore, low-temperature storage for storing agricultural products is generally installed not only in specialized food vendors but also in private barns, etc. When installing low-temperature storage, the height of the sliding door and the height of the door When it is impossible to carry in, the cooling device 4 must be removed, and it must be re-assembled in the barn separately from the storage room 2, and when the barn ceiling is low, the assembly workability is poor, In some cases, the cooling device 4 may not be mounted on the top surface of the storage chamber 2.

  In addition, when repairing a failure of the cooling device 4, it is difficult to take out a large amount of coolant from the storage chamber 2, repair or replace the cooling device 4, and return the coolant again. It had the problem that.

  The present invention solves the above-described conventional problems, and can accommodate the cooling device 4 in the storage room 2 and can effectively use such as placing an object by flattening the ceiling surface of the storage room 2. Furthermore, an object of the present invention is to provide a low-temperature storage in which the inside of the storage can be used effectively and the repair of the cooling device 4 can be easily performed.

  In order to solve the above-described conventional problems, the low-temperature storage according to the present invention includes a storage room that cools and stores food and the like, a cooling unit that cools the storage room, and a heating unit that surrounds a radiator and a compressor with a heat insulating material. The cooling device can be installed from the outside of the storage chamber, and the cooling device does not protrude from the outer surface of the storage chamber after installation.

  As a result, the cooling device can be housed in the storage room from the outside of the storage room, and the external surface of the storage room is made flat to improve the appearance and make effective use such as placing objects, and can be attached and removed from the outside. It is possible to easily repair and inspect the cooling device.

  Since the low-temperature storage of the present invention is installed so that the cooling device is inserted from the outside of the storage room, the thickness of the heat insulating material in the storage room can be used as the structure of the cooling device, so when installing the cooling device as it is inside Compared to the smaller volume, the storage chamber can be used more effectively. In addition, the cooling device is installed so as to be inserted from the outside of the storage room, and since one side of the cooling device is the outer surface of the storage room, the waste heat of the radiator and the drainage of defrost water are special exhaust ducts, drain pumps, etc. Can be easily configured without using

  The invention according to claim 1 is provided with a cooling device comprising a storage room for storing food and the like, a cooling unit for cooling the storage room, and a heating unit in which a radiator and a compressor are surrounded by a heat insulating material. The device can be installed from the outside of the storage chamber, and after installation, the cooling device does not protrude from the outer surface of the storage chamber, so that the low temperature storage can store the cooling device in the storage chamber from the outside of the storage chamber. Because it can be removed, the repair and inspection of the cooling device can be performed easily. In addition, by flattening the outer surface of the storage room, the appearance can be improved and effective use such as placing objects can be achieved.

  The invention according to claim 2 is the invention according to claim 1, wherein the cooling device is configured such that the cooling unit and the heating unit are arranged at the same height, and the vertical direction of the cooling device is thin. Thus, by disposing the storage chamber near the ceiling, the storage chamber can be effectively used without interfering with a cooling object such as food to be put in the storage chamber.

  The invention according to claim 3 is the invention according to claim 1, wherein the cooling device is configured such that the cooling unit and the heating unit are arranged vertically, and the horizontal direction of the cooling device is thinned. When installing / removing the cooling device from the outside of the storage room, it may be difficult to install it near the ceiling in a large storage room. Therefore, the cooling device can be installed relatively easily. In addition, it is possible to install in the center or below the storage room to some extent without installing it near the ceiling.

  According to a fourth aspect of the present invention, in the invention according to the second or third aspect, the cooling device is a cooling device in which a suction port and a blowout port for circulating air for cooling the storage chamber are in a horizontal or vertical linear direction. By making the air in the storage chamber flow in a straight line direction from the suction to the discharge, the airflow resistance in the vicinity of the cooler can be minimized and optimal heat exchange can be achieved. Can be

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to the embodiments.

(Embodiment 1)
1 is a rear perspective view of a low-temperature storage according to Embodiment 1 of the present invention, FIGS. 2A and 2B are a plan view and a side view of a cooling device for a low-temperature storage according to the same embodiment, and FIG. The rear side perspective view before attachment of the cooling device of the low-temperature storage of the same embodiment is shown.

  In FIG. 1, the low temperature storage 10 includes a storage room 11 that refrigerates food and the like and a cooling device 12, and the cooling device 12 is installed so as to be inserted from the outside of the storage room 11.

  In FIG. 2, the cooling device 12 includes a cooling unit 24 including a cooler 21, a blower 22, and a receiving tray 23 that receives defrosted water, a radiator 25, a compressor 26, and an evaporation tray 27 that evaporates the defrosted water. The cooling unit 24 and the heating unit 28 are partitioned by a heat insulating material 29. Here, the cooling unit 24 and the heating unit 28 are arranged side by side in the horizontal direction (the depth direction of the storage chamber), and the cooling unit 24 and the heating unit 28 are arranged at the same height.

  In FIG. 3, an opening 31 for mounting the cooling device 12 is provided on the back side of the storage chamber 11, and the cooling device 12 is inserted into the opening 31 from the outside and installed.

  The operation and action of the low-temperature storage configured as described above will be described below.

  First, when the cooling device 12 is installed in the storage chamber 11, the heat insulating material of the storage chamber 11 and the heat insulating material 29 partitioning the heating unit 28 are combined, and the heating unit 28 of the cooling device 12 is inside the storage chamber 11. This prevents the inflow of heat. Thereby, the cooling side and the heat radiating side are divided and can function as the cooling device 12. Furthermore, defrosted water or the like may be provided with a drain outlet on the externally exposed surface side of the cooling device 12, and there is no need to separately install a pump or a water distribution pipe. By installing an intake / exhaust port in the cooling device 12 as an outer surface to be inserted and installed, a low-temperature storage can be completed only by incorporating the cooling device 12.

  Further, in the present embodiment, the cooling unit 24 and the heating unit 28 of the cooling device 12 are arranged at the same height and the vertical direction of the cooling device 12 is thin, so that it is installed near the ceiling of the storage chamber 11. The space in the storage room 11 is wide and does not get in the way.

  Moreover, in this Embodiment, since the cooler 21 and the air blower 22 can install the air inlet and the exhaust port after cooling in the storage chamber 11 linearly about the cooling part 24 of the cooling device 12, the flow of air Is introduced into the cooler 24 without receiving resistance, the air in the storage chamber 11 can be efficiently cooled, and the cooling unit 24 can also be reduced in size.

(Embodiment 2)
4 is a rear perspective view of the low-temperature storage according to Embodiment 2 of the present invention, and FIGS. 5A, 5B, and 5C are a side view and a plan view of the cooling device for the low-temperature storage according to the same embodiment. FIG. 6: shows the back side perspective view before attachment of the cooling device of the low-temperature storage of the same embodiment.

  In FIG. 4, the low temperature storage 40 includes a storage room 41 that refrigerates food and the like and a cooling device 42, and the cooling device 42 is installed so as to be inserted from the outside of the storage chamber 41.

  In FIG. 5, the cooling device 42 includes a cooling unit 54 including a cooler 51, a blower 52, and a receiving tray 53 that receives defrost water, a radiator 55, a compressor 56, and an evaporation tray 57 that evaporates the defrost water. And the heating unit 58 is partitioned by a heat insulating material 59. Here, the cooling unit 54 and the heating unit 58 are arranged in the vertical direction.

  In FIG. 6, an opening 61 for attaching the cooling device 42 is provided on the back side of the storage chamber 41, and the cooling device 42 is inserted into the opening 61 from the outside and installed.

  The operation and action of the low-temperature storage configured as described above will be described below.

  First, when the cooling device 42 is installed in the storage chamber 41, the heat insulating material of the storage chamber 41 and the heat insulating material 59 partitioning the heating unit 58 are combined, and the heating unit 58 of the cooling device 42 is inside the storage chamber 41. This prevents the inflow of heat. Thereby, the cooling side and the heat radiating side are separated and can function as the cooling device 42. Furthermore, defrosted water or the like may be provided with a drain outlet on the externally exposed surface side of the cooling device 42, and there is no need to install a pump or a water pipe separately. By installing an intake / exhaust port in the cooling device 42 as an outer surface to be inserted and installed, the low temperature storage 40 can be completed only by incorporating the cooling device 42.

  In the present embodiment, the cooling unit 54 and the heating unit 58 of the cooling device 42 are arranged up and down, and the horizontal direction of the cooling device 42 is thin. Since the position is low, it is easy to perform operations such as lifting the cooling device 42 at the time of installation or replacement of the cooling device 42. Moreover, since the cooling device 42 can be configured to be thin, and the width of the heat insulating material of the storage chamber 41 can be used as a space for configuring the cooling device 42, it can be configured to be thinner than the case where the cooling device 42 is attached from the conventional inner surface, The space in the storage room 41 is wide and does not get in the way.

  Moreover, in this Embodiment, since the air inlet and the exhaust outlet after cooling can be installed linearly with respect to the cooling part 54 and the air blower 52 in the cooling part of the cooling device 42, the flow of air is reduced. Since the air is introduced into the cooler 51 without receiving resistance, the air in the storage chamber 41 can be efficiently cooled, and the cooling unit 54 can be downsized.

  As described above, the low-temperature storage according to the present invention can install a cooling device from the outside in a storage room that cools and stores food, etc., and after installation, the cooling device does not protrude from the outer surface of the storage room, and the space in the storage is relatively Even if it is difficult to carry in, such as a barn in a private house, installation and repair work can be facilitated. Since the cooling device is attached as a single unit, it is sufficient to have a box with heat insulation, so it can be applied to various refrigerators as well as refrigerators and vending machines.

The rear side perspective view of the low-temperature storage in Embodiment 1 of this invention (A) Plan view of the cooling device of the low temperature storage of the embodiment (b) Side view of the cooling device of the low temperature storage of the embodiment Rear side perspective view before mounting of cooling device of low-temperature storage of the same embodiment The back side perspective view of the low-temperature storage in Embodiment 2 of this invention (A) Side view of the cooling device for the low-temperature storage according to the embodiment (b) Plan view of the cooling device for the low-temperature storage according to the embodiment (c) Plan view of the cooling device for the low-temperature storage according to the embodiment Rear side perspective view before mounting of cooling device of low-temperature storage of the same embodiment Perspective view of conventional cold storage The perspective view which showed the opening part of the storage room of the conventional low temperature store Cross-sectional view of a conventional cooling device

Explanation of symbols

DESCRIPTION OF SYMBOLS 10,40 Low temperature storage 11,41 Storage chamber 12,42 Cooling device 21,51 Cooler 22,52 Air blower 23,53 Receptacle 24,54 Cooling part 25,55 Radiator 26,56 Compressor 27,57 Evaporating dish 28, 58 Heating part 29, 59 Heat insulation 31, 61 Opening

Claims (4)

  A cooling chamber comprising a storage chamber for cooling and storing food, etc., a cooling section for cooling the storage chamber, and a heating section in which a radiator and a compressor are surrounded by a heat insulating material, and the cooling apparatus is provided from the outside of the storage chamber A low-temperature storage that can be installed and does not protrude from the outer surface of the storage room after installation.   The low-temperature storage according to claim 1, wherein the cooling unit and the heating unit are arranged at the same height, and the vertical direction of the cooling device is thin.   The low-temperature storage according to claim 1, wherein the cooling unit and the heating unit are arranged one above the other and the horizontal direction of the cooling device is thin.   The low-temperature storage according to claim 2 or 3, comprising a cooling device in which a suction port and a blow-out port for circulating air for cooling the storage chamber are arranged in a horizontal or vertical linear direction.

Images