JP2002168553A - Rapid cooling container structure of refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container structure to rapidly cool foods by a sufficient fooling force from the bottom of a rapid cooling plate situated at the bottom of the container not by only supply cold air even when an amount of foods contained in the rapid cooling container is increased. SOLUTION: A container to contain food is situated in a refrigerator body consisting of a heat insulation box body. The rapid cooling plate formed of a good thermal conduction material is situated on the inner bottom surface of the container, and a space through which cold air from a cold air supply fan flows is formed between the bottom of the rapid cooling plate and the bottom of the container, whereby foods on the rapid cooling plate are rapidly cooled through cooling by cold air from an upper surface and cooling through thermal conduction from the back of the rapid cooling plate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator with a forced air circulation system, and more particularly to a quenching container structure provided with a quenching plate made of a good heat conductive material on a bottom surface of a container for storing foods provided in the refrigerator.

[0002]

2. Description of the Related Art In recent years, household refrigerators are provided with a specification switching room in which the temperature inside a storage room can be freely switched from a frozen temperature (-18 ° C.) to, for example, a wine storage temperature (8 ° C.). Also, in the drawer type container installed in the specification change room, a quenching plate made of stainless steel etc. with good heat conduction on the bottom of the container for the purpose of freezing and rapid cooling to refrigeration temperature Are provided.

[0003]

FIG. 7 shows the configuration of Japanese Unexamined Patent Publication No.
1 shows an example of a conventional refrigerator described in Japanese Patent No. 3132. In this apparatus, the cool air discharged into the container from the outlet 38 at the upper rear of the drawer-type container 26 cools the food and the quenching plate 30 formed of a good heat conducting material on the bottom surface, and then cools the outer periphery of the container 26. Then, the food is returned to the cooler 36 and discharged again by the fan. By this circulation, the food is rapidly cooled by both the cool air and the quenching plate 30, but when there is a large amount of stored food, the surface of the quenching plate 30 is covered with the food. There was a problem that the cooling efficiency was reduced because the heat exchange area was small.

[0004] The present invention sufficiently cools the quenching plate even when the amount of stored food is large, so that not only blown cold air,
An object of the present invention is to provide a quenching container structure of a refrigerator capable of rapidly cooling food with a sufficient cooling force from the bottom.

[0005]

According to a first aspect of the present invention, there is provided a quenching container structure for a refrigerator, wherein a container for accommodating food is provided in a refrigerator body formed of a heat insulating box. A quench plate made of a good heat conductive material is installed on the bottom surface of the container, and a space through which a portion of the cool air introduced into the container from the cool air blower fan flows between the bottom portion of the quench plate and the bottom surface of the container. It is characterized by having been provided.

With this configuration, the cool air blown into the container not only cools the food and the quenching plate surface from the upper surface side, but also
The food flows between the bottom of the quenching plate and the bottom surface of the container, cools the quenching plate from the back surface, and further applies cooling power to the food from the bottom surface by the cooling power, so that the food can be cooled very efficiently and rapidly.

According to a second aspect of the present invention, a food storage container is provided in a refrigerator body composed of an insulated box, and the bottom of the container is formed of a quench plate made of a good heat conductive material. A space is provided below the bottom of the plate for flowing cool air introduced from the cool air blower fan.

With this configuration, the quenching plate on the bottom surface can be cooled by the circulating cool air from the upper and lower surfaces without reducing the storage volume of the container.

The invention according to claim 3 is characterized in that ribs protruding into a space below the quenching plate are arranged along the flow direction of cool air.

With this configuration, not only the heat conduction area can be increased, but also the cool air flowing in the space can be rectified, and the heat conduction efficiency can be improved.

According to a fourth aspect of the present invention, a rib protruding into the space above the bottom of the container is provided along the direction of flow of the cool air, thereby rectifying the cool air flowing in the space and reinforcing the container. You can double.

According to a fifth aspect of the present invention, there is provided a cool air guide for directing a part of the cool air discharged from the cool air discharge port into a cool air circulation space below the quenching plate.

With this configuration, a part of the discharged cool air can be efficiently introduced into the cool air circulation space, and the effect of rapidly cooling the food can be further improved.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. FIG. 2 is a side longitudinal sectional view of the refrigerator, in which a vegetable compartment 2 is arranged at a lower portion of an upper refrigerator compartment 1, a freezing compartment 3 is provided at a lowermost portion of the main body, and storage between the freezing compartment 3 and the vegetable compartment 2 is performed. The space is divided into right and left, one of which is an ice making room (not shown), and the other is a specification switching room 4. Like the other storage rooms, the front surface of the specification switching room 4 is closed with a dedicated door 5 and a container 6 for storing foods attached to the door 5.
Is provided integrally with the door 5 so as to be able to be pulled out from the main body.
A fan 15 is installed on the back of the drawer-type container 6, and cool air from a cooler 16 arranged below the fan 15 is passed through a cool air flow control damper 17 from a cool air outlet 18 into the specification switching chamber 4. Is controlled so that the temperature of the specification switching room can be arbitrarily switched from a frozen temperature of −18 ° C. or less to a wine storage temperature of about + 8 ° C. according to the set temperature.

As shown in FIG. 1, the container 6 is formed of a synthetic resin in the shape of a box, and has a step 7 on the bottom surface and a downward recess 8 at the bottom. The part 8 has a bottom surface and a space 9 and a quenching plate 10 made of a good heat conductive material such as stainless steel is installed over the entire bottom surface of the container. A cool air inlet 11 and a cool air outlet 1 communicating with the space 9 are provided in front and rear portions of the quench plate 10 and the container 6.
2 is provided, and a cool air outlet 18 formed in the upper rear part of the container 6 diverges the cool air introduced into the container and partially directs the cool air to cool the food from the upper surface.
Another cool air is caused to flow down along the back wall surface of the container 6, and a cool air guide 14 is provided to guide the cool air from the cool air inlet 11 into the space 9.

As shown in FIG. 3, the quenching plate 10 is provided with a number of ribs 13 protruding therefrom in the depth direction of the container so as to straighten the cool air flowing in the space 9 and The food mounting plate surface can be reinforced.

The protruding rib 5 into the space 9 is formed as a quenching plate in the above embodiment, but is not limited to this.
As shown in FIG. 4, the ribs may be provided from the container 6 toward the quenching plate 10, or ribs may be projected from both the container and the quenching plate. In this case, although the heat conduction area is slightly deteriorated, it is easy to form the ribs on the storage container and there is an effect of reinforcing the container.

Next, another embodiment of the present invention will be described with reference to FIG. In the above-described embodiment, the quenching plate is disposed in the container 6, but in the present embodiment, the bottom portion of the container 6 is formed by the quenching plate 10. In addition, the cool air from the fan 15 is introduced from the outer periphery of the container 6 into the space 9 between the bottom surface of the specification switching chamber 4 and the upper surface of the quenching plate 10 by the guide 19,
May be cooled from the lower surface. At this time, as described above, if a large number of ribs projecting in the depth direction are provided below the quenching plate 10 in parallel, the heat exchange efficiency is improved and more effective.

With the above configuration, the cooling device 16 is connected to the fan 1
The cool air discharged into the specification switching room 4 controlled to a predetermined room temperature by the cool air flow control mechanism such as the damper 17 via the damper 17 flows into the container from the back of the container 6, cools the container, and passes therethrough. At the same time, a part thereof is diverted by the cool air guide 14 to the rear part of the bottom of the container 6. Then, it flows into the space 6 from the cool air inlet 11 and flows out of the container 6 from the cool air outlet 12 in front of the container while cooling the quench plate 10 from below, and is sucked through the gap between the container 6 and the inner box wall surface. It performs circulation returning from the mouth to the cooler 16.

FIG. 6 shows the positional relationship between the cool air inlet and the cool air outlet.
As shown in the figure, a cool air inlet 11 is formed in the lower front part of the container 6 and a cool air outlet 12 is formed in the lower rear part, so that the cool air circulated in the container 6 is introduced into the space 9 to cool the quenching plate. Good.

At this time, the chill plate 10 is cooled to a low temperature by the cool air passing through the space 9, so that the food on the quench plate 10 is not only cooled by the upper circulating cool air but also placed on the mounting table by this heat conduction. The cooling power from the surface of the quenching plate 10 allows the cooling to be more powerful and efficient, and the cooling can be rapidly performed in a normal time.

In the above-described embodiment, the object to be provided with the quenching plate is the specification switching room. However, the present invention is not limited to this. It is something that can be done.

[0023]

As described above, according to the quenching container structure of the refrigerator of the present invention, the chill plate is cooled to a low temperature by the cool air passing through the space. Is cooled not only by the cool air circulating in the container but also by the cooling power from the quenching plate surface, which is the mounting table, more powerfully and efficiently. Can be cooled rapidly.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a main part of a refrigerator showing one embodiment of the present invention.

FIG. 2 is a longitudinal sectional view showing the entire refrigerator according to the present invention.

FIG. 3 is an enlarged front view of a main part of the container showing one embodiment of the present invention.

FIG. 4 is an enlarged front view of a main part of a container showing another embodiment of the present invention.

FIG. 5 is an enlarged side sectional view of a main part showing another embodiment of the present invention.

FIG. 6 is an enlarged side sectional view of a main part showing still another embodiment of the present invention.

FIG. 7 is a longitudinal sectional view of a conventional refrigerator corresponding to a main part of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Refrigerator room 2 Vegetable room 1 Freezer room 2 Specification change room 3 Specification change room door 4 Container 5 Step 6 Depression 7 Space 10 Quench plate 11 Cold air inlet 1 Cold air outlet 2 Projecting rib 3 Cold air guide 4 Fan 5 Cooler 6 Damper 7 Cold air outlet

Claims (5)

[Claims] 1. A container is provided in a refrigerator body constituted by a heat insulating box, and a quenching plate formed of a good heat conductive material is installed on a bottom surface of the container, and a quenching plate formed between the quenching plate bottom and the container bottom surface. A chilled container structure for a refrigerator, further comprising a space for circulating cool air introduced into the container from a cool air blower fan. 2. A container is provided in a refrigerator body constituted by a heat insulating box, and a bottom portion in the container is formed by a quenching plate made of a good heat conductive material, and a cool air blower fan is formed downward from the bottom of the quenching plate. A refrigeration container structure for a refrigerator, wherein a space for circulating cool air introduced from the refrigerator is provided. 3. A quench container structure for a refrigerator according to claim 1, wherein ribs projecting from the quench plate into a space below the quench plate are arranged along the direction of cool air flow. 4. A quenching container structure for a refrigerator according to claim 1, wherein ribs projecting into the space from the bottom of the container toward the quenching plate are provided along the direction of cooling air flow. 5. The refrigerator according to claim 1, further comprising a cool air guide for directing a part of the cool air discharged from the cool air discharge port into a cool air circulation space below the quenching plate. Quenching vessel structure.