JPH05157433A - High humidity storage box - Google Patents

Abstract

PURPOSE:To make cooled air flow along the surface of a cooled air discharge duct and protect preserved food stuffs from being dried and pass the discharged cooled air uniformly from a rear side outlet with regard to a high humidity storage box. CONSTITUTION:A rear side outlet 22f is installed in a clearance between a terminal section of a cooled air outlet of a cold storage chamber cooled air circulation duct and a cooled air discharge duct on the rear side of the cold storage chamber. A flow straightening port 24a is installed to both sides of a fan mounting board 24 in the cold storage chamber cooled air circulation duct 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high humidity chamber for circulating cold air between cold air ducts provided between an inner box and a refrigerating compartment.

[0002]

2. Description of the Related Art Conventionally, a refrigerating room cold air circulation duct equipped with a blower is used to prevent dew attached to the ceiling of a refrigerating room of a high humidity chamber from falling onto food and to make the temperature distribution inside the chamber uniform.

Hereinafter, referring to FIGS. 4, 5 and 6,
A high-humidity warehouse having a conventional refrigerating room cold air circulation duct will be described.

Reference numeral 1 is a main body of a high humidity chamber, and the main body 1 is constituted by a heat insulating box 3 having a door 2 made of a heat insulating material, which will be described later, at the front opening, and a heat insulating wall 5 on which a cooling unit 4 is installed. Compressor 6, condenser fan 7, and heat insulation wall 5 on the top of the
A machine room 9 for accommodating and installing the condenser 8 is formed. An evaporator 10 and a cooling fan 11 for blowing cold air cooled by the evaporator 10 are housed on the lower surface of the heat insulating wall 5 to form a cooling chamber 12.

Reference numeral 13 is a heat insulating wall formed of an outer box 13a, an inner box 13b made of synthetic resin or metal, and a heat insulating material 13c filled between the two boxes 13a and 13b.

Reference numeral 14 is a refrigerating compartment, and 15 is a cool air discharge duct formed of metal or the like having good heat conductivity. Mounting plates 16 are provided on the rear portion of the refrigerating compartment, the bottom portion of the refrigerating compartment, the top surface of the refrigerator, and both side portions of the refrigerating compartment. It is attached so as to form a cool air circulation air path with the inner box 13b. Reference numeral 17 denotes a cold air suction duct which is open at both ends and is attached to the back surfaces of the cold air discharge ducts 15 on both sides of the refrigerating chamber, the lower surface opening faces the cold air discharging duct 15 at the bottom of the refrigerating room, and the upper surface opening part is the cooling chamber. 1
It is opposite to 2. Reference numeral 18 is a partition plate for separating the discharged cool air and the sucked cool air. Reference numeral 21 is a shelf for placing food.

Reference numeral 22 denotes a refrigerating compartment cold air circulation duct, which is made of metal or synthetic resin, has a dew receiving portion 22b having a suction port 22a for sucking the refrigerating compartment cool air, a blower housing portion 22c for housing a blower 23, and a refrigerating room cold air. Discharge port 22 for discharging
It is configured to be integrated with a cool air discharge portion 22e having d. Further, the end of the cold air discharge portion 22e of the cold air circulation duct 22 of the refrigerating room is provided with the cold air discharge duct 15 at the rear part of the cold room.
And the tip faces diagonally downward to the cool air discharge duct 15 at the rear of the refrigerating chamber. Reference numeral 24 is a blower mounting plate that locks the blower 23, and 25 is a drain.

The operation of the high humidity chamber constructed as above will be described below. The cool air that has undergone heat exchange in the evaporator 10 is circulated by the cooling fan 11 from the cooling chamber 12 to the cool air discharge duct 15 and the cool air suction duct 17 to cool the surface of the cool air discharge duct 15. Cooled cold air discharge duct 1
The surface of 5 is heat-exchanged with the air in the refrigerating compartment 14,
Is temperature controlled by a thermostat (not shown).
The cool air in the refrigerating room 14 is blown by the blower 23 to the cool air discharge port 22d of the refrigerating room cold air circulation duct 22, the refrigerating room 14, and the suction port 2.
It circulates with 2a.

[0009]

However, in the above-mentioned structure, the cool air discharged from the cool air discharge port 22d of the refrigerating compartment cool air circulation duct 22 flows directly to the shelf 21, and the shelf 2 is discharged.
1 had the problem of drying the food placed on top.

Further, the blower housing portion 22c has a problem that a pressure difference is generated by the blower mounting plate 24, the flow of discharged cool air on both sides of the cool air discharge port 22d is accelerated, and the temperature inside the refrigerator is not uniform.

SUMMARY OF THE INVENTION The first object of the present invention is to solve the above-mentioned problems of the prior art and to let the cool air discharged from the blower flow along the surface of the cool air discharge duct.

The second purpose is to allow the discharged cool air to flow uniformly.

[0013]

In order to achieve the first object, the high humidity chamber of the present invention has a discharge port between the end of the cold air circulation duct of the refrigerating compartment and the cool air discharge duct at the rear portion of the refrigerating compartment. The gap provided is provided.

Further, in order to achieve the second object, a blower mounting plate having a rectifying port is provided in the refrigerating compartment cold air circulation duct.

[0015]

According to the present invention, with the above-mentioned structure, the cool air can flow along the surface of the cool air discharge duct at the rear portion of the refrigerating chamber.

Further, the discharged cool air can be made to flow uniformly.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. It should be noted that the same components as those of the related art are designated by the same reference numerals and detailed description thereof is omitted.

In FIGS. 1, 2 and 3, reference numeral 22f designates a rear discharge port, which is a cold air discharge portion 22 of the cold air circulation duct 22 for the refrigerating room.
It is a gap (about 3 mm) smaller than the diameter of a water drop due to the surface tension between the end of e and the cool air discharge duct 15 on the rear surface of the refrigerating chamber.

The operation of the high humidity chamber constructed as above will be described below. The cool air in the refrigerating compartment 14 forms a cycle of the back outlet 22f of the refrigerating compartment cold air circulation duct 22, the refrigerating compartment 14 and the suction inlet 22a by the blower 23.

As described above, according to this embodiment, by providing the rear discharge port 22f in the rear part of the refrigerating compartment, the flow of cold air along the surface of the cool air ejecting duct 15 in the rear part of the refrigerating compartment can be achieved, and Drying can be prevented.

Next, a high humidity chamber according to another embodiment of the present invention will be described with reference to FIGS. The same components as those in the above-described embodiment are designated by the same reference numerals, and detailed description thereof will be omitted.

Reference numeral 24a designates a straightening port, which is formed on both sides of the blower mounting plate 24. The operation of the high humidity chamber configured as above will be described.

While the cool air in the refrigerating chamber 14 circulates between the blower 23 and the straightening port 24a provided on the blower mounting plate 24, a cycle including the rear discharge port 22f, the refrigerating chamber 14 and the suction port 22a is formed.

As described above, according to the present embodiment, since the cool air circulates in the straightening ports 24a on both sides of the blower mounting plate 24,
The flow of the cool air discharged from the rear discharge port 22f can be made uniform.

[0025]

As described above, according to the present invention, by providing the rear discharge port for discharging the cool air in the gap between the end of the cool air discharge part of the cold air circulation duct of the refrigerating room and the cool air discharge duct at the rear part of the cold room, Can flow along the surface of the cold air discharge duct, and can prevent food from drying without directly flowing cold air to the food on the shelf.

Further, according to the present invention, the flow of the discharged cool air can be made uniform by providing the straightening ports on both sides of the blower mounting plate.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of a high humidity chamber according to an embodiment of the present invention.

FIG. 2 is a BB cross-sectional view of the high humidity chamber shown in FIG.

FIG. 3 is a sectional view taken along the line AA of the high humidity chamber shown in FIG.

FIG. 4 is a vertical sectional view of a conventional high humidity chamber.

5 is a cross-sectional view taken along the line BB of the high humidity chamber shown in FIG.

6 is a cross-sectional view taken along the line AA of the high humidity chamber shown in FIG.

[Explanation of symbols]

 4 Cooling Unit 13a Outer Box 13b Inner Box 13c Insulation Material 14 Refrigerating Room 15 Cold Air Discharge Duct 17 Cold Air Suction Duct 22 Refrigerating Room Cold Air Circulation Duct 22f Rear Discharge Port 23 Blower 24a Straightening Port

Claims (2)

[Claims] 1. An inner box, an outer box, a heat-insulating box filled with a heat insulating material between the inner box and the outer box, a refrigerating chamber defined in the heat-insulating box, and an upper part of the heat-insulating box. A cooling unit provided, a cool air discharge duct that forms a cool air circulation air passage between the inner box, a cool air suction duct locked to the inner box side of the cool air discharge duct, and a cool air in the refrigerating chamber. A refrigerating compartment cold air circulating duct having an inclination with respect to a cool air discharge duct at a rear portion of the refrigerating compartment having a suction port provided with a circulating fan, an end portion of the refrigerating compartment cold air circulating duct, and the rear side of the refrigerating compartment. High-humidity storage having a rear discharge port provided between the cold air discharge duct and a cold air discharge duct of the cooling unit, and a drain provided through the cold air discharge duct and the heat insulating wall at the bottom of the refrigerating chamber. 2. The high humidity cabinet according to claim 1, wherein the cold air circulation duct of the refrigerating compartment is provided with a blower mounting plate having a rectifying port.