JP2011017530A - Refrigerator drawer and refrigerator shelf for cabinet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator drawer and a refrigerator shelf for a cabinet which can cool only a storage space requiring cold storage without needing complicated refrigerant piping, and can be inexpensively manufactured.SOLUTION: The refrigerator drawer 4 provided in a cabinet is configured to cool a sealed space by a Peltier system, and the refrigerator drawer 4 includes a heat radiation chamber 4c separately from the sealed space. A heat-generating metal section 5 of the Peltier system is disposed to face the heat radiation chamber 4c, and waste heat generated by the Peltier system is discharged from the heat radiation chamber 4c through a waste heat slit 4c' formed in an upper part of the heat radiation chamber 4c.

Description

The present invention relates to a cold insulation shelf provided in a cabinet having a cold insulation drawer and a recess portion provided in the cabinet.

  Conventionally, when a cold storage unit is provided in a cabinet, it has been known that a refrigerant generated in a refrigeration cycle using a compressor is extended to a cold storage unit. In the case where the cold insulation storage unit is a drawer, for example, a cooling coil is provided so as to surround the periphery of the drawer, and in the case of a cold shelf, cooling is performed by placing the cooling coil on the shelf similarly.

However, when providing a storage space for keeping root vegetables or the like in a part of the cabinet, the conventional method using a refrigeration cycle using a compressor becomes a large-scale device, and the refrigerant circulates in the cabinet. must be subjected to the piping, equipment costs might teeth with high.

  The present invention has been made paying attention to such problems, and cools only a storage space that needs to be kept cool without applying complicated refrigerant piping, and can be manufactured at a low cost in a cool cool drawer and cool cool shelf. The purpose is to provide.

In order to solve the above-mentioned problem, the cold insulated drawer of the cabinet of the present invention is
A cold drawer provided in the cabinet, together with the cold drawer is cooled by the Peltier system between tight closed space, the cold drawer comprises a separate radiation chamber from said enclosed space, said heat-generating metal portion of the Peltier system It faces the heat radiating chamber, and exhaust heat generated by the Peltier system is discharged from the heat radiating chamber through a heat exhaust slit formed in the upper portion of the heat radiating chamber .
According to this feature, without performing complicated refrigerant piping, only a drawer to be refrigerated cooling, exhaust heat that occur by the Peltier systems it is possible to dispersed discharge, efficiently exhaust heat through the radiation chamber It can be dissipated.

The cabinet cold shelf of the present invention is
A cold storage shelf provided at the lowermost part of the cabinet having a gap portion, the cold storage shelf having a cooling chamber cooled by a Peltier system, and the endothermic metal portion facing the lower end surface of the cold storage chamber and the abutting metal part It is composed of a heat generating metal part facing the solder part side, and exhaust heat generated by the Peltier system is exhausted from the heat generating metal part side of the bottom surface of the cold insulation shelf from an intake / exhaust port provided in the solder part. Yes.
According to this feature, the waste portion formed in the cabinet can be used to dissipate the exhaust heat generated by the Peltier system, and the exhaust heat can be efficiently dissipated through the heat radiation chamber.

It is a perspective view which shows the cabinet to which the cool drawer | drawing-out which is 1st Example of this invention was applied. It is a perspective view of a cold insulation drawer. It is a perspective view which shows the cabinet to which the cold storage shelf which is 2nd Example of this invention was applied. It is a partial expansion perspective view of a cold storage shelf.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows a cabinet including a cold drawer as a first embodiment of the present invention, showing a perspective view in which the cold insulated drawer is applied to the cabinet at the lowest stage, and FIG. 2 showing a perspective view of the cold insulated drawer. .

  The cabinet 1 in FIG. 1 contains a door for storing dishes and cooking utensils used in a kitchen, a storage shelf 2 on which a user can place desired items, and foods etc. below the storage shelf 2. There is a drawer 3 that can be stored, and a cold-retained drawer 4 provided with a recess 7 slightly recessed from the front surface of the cabinet 1 is provided at the bottom of the drawer 3 to protect the toes of the user.

  The bottom cold-drawing drawer 4 is used to keep the goods desired by the user in a cool state, and exhaust heat generated during cooling is dissipated from the intake / exhaust port 7a provided on the right side of the soldering portion 7. It is something to be made.

  The structure of the cold insulation drawer 4 will be described in detail with reference to FIG. This cold drawer 4 is separated into two rooms, a root vegetable storage chamber 4a for storing root vegetables in a cold storage and a rice storage chamber 4b for storing rice, and both storage chambers 4a and 4b have inner cases. 6a and 6b are fitted.

  Two handle portions 6a-1 and 6b-1 are formed on the front sides of the inner cases 6a and 6b so that the cold drawer 4 can be easily pulled out from the cabinet 1, and the accessory storage for storing accessories on the adjacent side. 6a-2 and 6b-2 are also formed.

  Further, when storing root vegetables or rice, a lid using a plastic member whose inside can be seen through is applied to both inner cases 6a and 6b in order to prevent the entry of foreign substances from the outside and to increase the storage efficiency. A fully-opened root vegetable storage lid 6a-3 is attached to the inner case 6a on the storage chamber 4a side, and a partially open rice pad lid 6b-3 is attached to the rice storage chamber 4b side. The lids 6a-3 and 6b-3 are partially cut away so as not to block the handle portions 6a-1 and 6b-1 when the inner cases 6a and 6b are closed.

  The cold insulation method of the present embodiment uses a Peltier system that utilizes the Peltier effect that connects two kinds of metals and flows current to absorb one metal side and dissipates heat from the other metal side, as shown in FIG. As shown, the exothermic metal part 5, which is a part of this Peltier system, faces the heat radiating chamber 4c side adjacent to the root vegetable storage chamber 4a. On the other hand, although the endothermic metal part is not illustrated, it faces the root vegetable storage chamber 4a side.

  The exhaust heat stored in the heat radiating chamber 4c from the heat generating metal part 5 is released to the outside through an intake / exhaust port 7a provided on the front side of the damaged part 7. In order to release the exhaust heat more positively, it is preferable to form an exhaust heat slit 4c 'having a plurality of opening grooves on the upper surface of the heat radiation chamber 4c.

  Thus, although the exhaust heat slit 4c ′ is not necessarily required in the Peltier system of the present embodiment, when applying a Peltier system having a higher cooling capacity to the cold insulation drawer 4, the exhaust heat slit 4c ′ is provided to dissipate heat. Try to be active. If a fan is attached to the intake / exhaust port 7a or the like communicating with the outside, the heat dissipation effect can be further enhanced. Further, in this embodiment, the heat radiation chamber 4c is provided, but exhaust heat may be exhausted through the intake / exhaust port 7a using the space between the bottom surface of the drawer and the damaged portion.

  FIG. 3 shows a cabinet 10 including a cold insulation shelf as a second embodiment of the present invention, showing a perspective view in which the cold insulation shelf is applied to the cabinet 10, and FIG. 4 showing a partially enlarged perspective view of the cold insulation shelf. Yes.

  The cabinet 10 of FIG. 3 is provided with a storage shelf 12 on which a user can place a desired item, and at the bottom of the cabinet 10 is a cold storage shelf 15 (which will be described in detail later) so as to close the cover 17. A cool box 15 a having a rectangular casing is placed on the top surface of the cool shelf 15.

  The cold storage room 15a will be described with reference to FIG. 4. As with the cold storage drawer 4 in FIG. 2, the inner case 16 is also applied to the cold storage room 15a, and the inner case 16 can accommodate a user-desired item. A cooling storage unit 16-1 and a small storage unit 16-2 that can store small items are formed, and the cooling storage unit 16-1 and small items are stored by a cooling storage lid 16-3 that is a full-open type using a transmission member. The part 16-2 can be closed.

  The structure of the cold storage shelf 15 that cools the inside of the cooling storage section 16-1 will be described in detail. The second embodiment also uses the Peltier effect as in the first embodiment. The heat-absorbing metal portion facing the lower end surface and the heat-generating metal portion having substantially the same area facing the side of the damaged portion 17 that abuts on the heat-absorbing metal portion absorb heat from the inside of the cooling storage portion 16-1 Heat is exhausted from the heat generating metal part side of the lower end surface.

  And the waste heat stored in the heat generating metal part in the heat-radiating chamber (not shown) surrounded by the cold storage shelf 15, the solder part 17 and the side plates 18 and 18 floor 19 is formed in the solder part 7 communicating with the outside. The cooling storage portion 16-1 can be efficiently cooled by discharging the air from the intake / exhaust port 17a.

  Although the embodiments of the present invention have been described with reference to the drawings, the specific configuration is not limited to these embodiments. For example, in the second embodiment, the Peltier system is applied to a part of the cold shelf 15. However, it may be applied to the entire surface of the cold storage shelf 5, and a user such as a summer can temporarily drink a beverage (bottle, can, etc.) to the cold storage shelf 5 other than the cooling storage unit 16-1 in the cold storage room 15 a. It can also be placed so that it does not warm up, and changes and additions within the scope not departing from the gist of the present invention are also included in the present invention.

  The present invention has the following effects.

(A) According to the present invention, wherein, without performing complicated refrigerant piping, only a drawer to be refrigerated to cool, it is possible also distributed release heat that occurs by the Peltier system, the radiation chamber It is possible to dissipate exhaust heat efficiently.

( B ) According to the invention of claim 2, the waste portion formed in the cabinet can be used to dissipate the exhaust heat generated by the Peltier system, and the exhaust heat can be efficiently dissipated through the heat radiation chamber. Is possible.

DESCRIPTION OF SYMBOLS 1 Cabinet 2 Storage shelf 3 Drawer 4 Cooling drawer 4a Root vegetable storage room 4b Rice storage room 4c Heat radiation room 4c 'Heat exhaust slit 5 Heat generation metal part 6a, 6b Inner case 6a-1, 6b-1 Hand part 6a-2, 6b- 2 Small storage section 6a-3, 6b-3 Lid 7 Distressed section 7a Air intake / exhaust 10 Cabinet 12 Storage shelf 15 Cold storage shelf 15a Cold storage chamber 16 Inner case 16-1 Cooling storage section 16-2 Small storage section 16-3 Cooling storage Lid 17 Bending part 18 Side plate 19 Floor

Claims (2)

A cold drawer provided in the cabinet, together with the cold drawer is cooled by the Peltier system between tight closed space, the cold drawer comprises a separate radiation chamber from said enclosed space, said heat-generating metal portion of the Peltier system A cold-retention drawer , wherein the heat-extracting heat generated by the Peltier system is exhausted from the heat-dissipating chamber through a heat-dissipating slit formed above the heat-dissipating chamber . A cold storage shelf provided at the lowermost part of the cabinet having a gap portion, the cold storage shelf having a cooling chamber cooled by a Peltier system, and the endothermic metal portion facing the lower end surface of the cold storage chamber and the abutting metal part It is composed of a heat generating metal part facing the side of the crack part, and exhaust heat generated by the Peltier system is exhausted from the heat generating metal part side of the bottom surface of the cold insulation shelf from an intake / exhaust port provided in the chip part. Cold storage shelf.

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