JP2002147922A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator wherein even when foods are places at a rear portion in the refrigerator, a vent hole is prevented from being clogged, and hence ventilation of cold air casn be kept satisfactory. SOLUTION: There are provided on a back side of a refrigerator chamber 2 a vaporizer 5 for producing cold air, an air fan 6 for sending the cold air produced from the vaporizer 5, and a duct cover 2a for forming a duct 9 extending from a back side of the refrigerator chamber 2 to an upper surface side. There is further provided a cold air blow-off outlet 7 at a front end on an upper surface side of the duct cover 2a, which outlet is opened toward a front surface upper portion of a door side of the refrigerator chamber 2. The refrigerator chamber 2 is defined into a plurality of spaces with multiple stages with shelves 4, and a cold air suction inlet 8 is formed in the duct cover 2a located on the back side of the refrigerator chamber 2, and further the cold air suction inlet 8 is displaced behind the shelves 4.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a refrigerator,
More specifically, the present invention relates to a refrigerator that maintains good ventilation of cool air in a refrigerator compartment.

[0002]

2. Description of the Related Art Conventionally, in a refrigerator, cold air cooled by an evaporator disposed on the back side is blown out into a refrigerator from a cool air outlet provided on the back side of the refrigerator to cool the food inside. I was However, when cold air is blown into the refrigerator from the back side as described above, if the food is packed in the refrigerator, the cool air from the cool air outlet is blocked by the food and does not sufficiently circulate in the refrigerator. There was a problem that it was hard to get cold. Further, in a refrigerator in which a refrigerator compartment is divided into a plurality of spaces by shelves in a plurality of spaces, the odors of the foods placed on the respective shelves are blown out from the back side into the refrigerator and mixed, so that other odors are attached to each other. ,
There was also a problem.

In order to solve these problems, a refrigerator as shown in FIG. 4 has been proposed. This refrigerator has an open front and an openable / closable door 1 b on the front of the heat-insulating box 1. Inside the refrigerating compartment 2, there are storage spaces divided into a plurality of spaces formed by shelves 4. Is provided.
Below the refrigerating compartment 2, a vegetable compartment 2a, a freezing compartment 3 and the like, which can be pulled out, are arranged by a partition wall 1a. An evaporator 5 for generating cool air is provided on the back side of the refrigerator compartment 2.
And a blower fan 6 for sending out cool air generated from the evaporator 5, and an evaporator 5 from the rear side to the upper side of the refrigerator compartment 2.
And a duct cover 9a forming a duct 9 extending including the blower fan 6, and a cool air outlet 7 opened at the front upper end of the refrigerator compartment 2 at the front end on the upper surface side of the duct cover 9a. The refrigerating room 2 is divided into a plurality of spaces by a shelf 4 in a plurality of spaces, and a cool air suction port 8 communicating with the duct 9 is formed in a duct cover 9 a on the rear side of the refrigerating room 2. The cool air is blown into the refrigerator from a cool air outlet 7 in the upper part of the refrigerator, is sucked from a cool air suction port 8 provided at the rear of the refrigerator compartment 2, and circulates through the duct 9.

[0004] In such a refrigerator, a cold air inlet 8 is provided between the shelves 4, and even if food is packed, ventilation is greatly improved, cooling efficiency is improved, and the refrigerator 4 is mounted on each shelf 4. Since the smell of the placed food is also sucked backward, the problem that the smell is mixed in the refrigerator and other smells are attached to each other has also been solved. However, food 18 having a flat wide back surface 18
If the food 18 packaged with vinyl or the like is placed behind the shelf 4 so as to be pressed against the shelf 4 or the food 18 packed with vinyl or the like is placed behind the shelf 4, the cooling air inlet 8 may be blocked, and the cooling efficiency may be reduced. Was.

[0005]

SUMMARY OF THE INVENTION In view of the above-described problems, an object of the present invention is to make it difficult for air vents to be blocked even when food is placed in the back of a refrigerator, and to maintain good ventilation of cool air. The purpose is to provide a refrigerator that can be used.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention solves the above-mentioned problems. Each has a freezer compartment, on the back side of the refrigerator compartment, an evaporator that generates cool air, a blower fan that sends out the cool air generated from the evaporator, and a duct from the back side to the top surface side of the refrigerator compartment. A duct cover to be formed, and a front end of the duct cover on the upper surface side is provided with a cool air outlet opening at a front upper portion on a door side of the refrigerator compartment, and the refrigerator compartment is divided into a plurality of spaces by shelves in a plurality of spaces. In addition, a cool air suction port is formed in the duct cover on the rear side of the refrigerator compartment, and the cool air suction port is disposed behind the shelf.

[0007] Between the rear end of the shelf and the cold air inlet,
It has a gap for ventilation.

[0008] The cold air suction port is inclined from the refrigerator compartment side toward the suction side of the evaporator.

The cool air suction port has a shielding plate for directing cool air sucked from the refrigerator compartment side to the suction side of the evaporator.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION

FIG. 1 is a side sectional view of a main part of an embodiment of a refrigerator according to the present invention. A description will be given based on FIG. The same parts as those in the conventional example are given the same numbers.
An insulated box 1 having an open front is divided into upper and lower sections by a partition wall 1a, and a refrigerator compartment 2 is provided at an upper portion, a vegetable compartment 2a is provided at a central portion, and a freezing compartment 3 is provided at a lower portion. The refrigerator 1 is provided with a door 1b which can be opened and closed. The refrigerator 4 is divided into a plurality of spaces by a shelf 4 in a plurality of spaces, and a plurality of storage places are provided.

On the back side of the refrigerator compartment 2 inside the heat insulating box 1, an evaporator 5 for generating cool air and a cross flow fan for sending out the cool air cooled by the evaporator 5 are provided above the evaporator 5. And a duct cover 2a forming a duct 9 extending from the back side to the upper side of the refrigerator compartment 2 and including the evaporator 5 and the blower fan 6. At the front end of the upper surface side of the duct cover 2a, there is provided a cool air outlet 7 opening at the upper front side of the refrigerator compartment 2 on the door side, and the duct cover 2a on the rear side of the refrigerator compartment 2 has a cool air inlet communicating with the duct 9. 8 is formed, and the cool air sent from the blower fan 6 is blown out from the cool air outlet 7 at the upper front part of the refrigerator compartment 2, and the cool air is blown to the rear of each of the multi-tiered shelves 4 on the rear side of the heat insulating box body 1 at the depth rear. The evaporator 5 is sucked by flowing into the cold air suction port 8 provided through a duct 9 provided vertically.
It is circulated and cooled. The circulating cool air can be efficiently deodorized by the deodorizing filter 9a.

The vegetable compartment 2a is cooled by introducing cool air sent from a blower fan 6 by a duct (not shown), and the cool air is circulated to the evaporator 5 through a duct 9 on the back side. A compressor 10 that supplies a refrigerant to the evaporator 5 is provided in a machine room at a lower rear portion of the heat insulating box 1. On the other hand, the freezing room 3 at the lower part of the heat insulating box 1 is provided with a freezing room evaporator 1 for generating cool air on the back side.
5 and a blower fan 16 for sending cool air cooled by the freezer compartment evaporator 15 in front of the freezer compartment evaporator 15, and the cool air sent from the blower fan 16 blows out to the freezer compartment 3, After cooling the freezing compartment 3, the rear freezing compartment evaporator 1
Cycle to 5.

FIG. 2 is an enlarged sectional side view of the vicinity of the cold air suction port on the back of the refrigerator compartment. A cool air suction port 8 communicating with the duct 9 is formed in the duct cover 2b on the rear side of the refrigerator compartment 2;
The cool air flows from the cool air outlet 7 on the upper front side of the refrigerator compartment 2 to the duct 9 through the cool air inlet 8 on the rear side in the depth direction. A gap is provided between the rear end of the shelf 4 and the cool air inlet 8 for ventilation, and the cool air inlet 8 is
b, at the opposite position behind the shelf 4. By providing the cool air suction port 8 at the position opposite to the rear of the shelf 4 in this manner, the cool air from the upper row of the shelf 4 and the cool air from the lower row of the shelf 4 are respectively connected to the cool air suction port 8 and the duct 9 side. The cold air can be circulated by suction. In the case where the cool air suction port 8 is provided between the shelves 4, the flat foods are arranged so as to be pressed against the rear of the shelf 4, and the flat parts of the foods 18, particularly the parts of packaging such as vinyl or paper, are arranged. However, the cooling air intake port 8 is blocked, and the cooling efficiency is reduced. However, by providing the cold air intake port 8 so as to straddle the upper and lower steps behind the shelf 4, it is considered that the fear is reduced.

The cool air suction port 8 is inclined from the refrigerator compartment 2 toward the suction side of the evaporator 5. By providing such an inclination, the cool air flowing in the refrigerator compartment 2 is removed from the duct 9.
It can be smoothly circulated in the direction as indicated by the arrow. In the figure, the opening of the cold air inlet 8 is set to 1
Although it is a place, it actually has multiple openings,
The cross section of each opening has a side view and an inclination. Although these inclinations are changed depending on the positional relationship between the cool air suction port 8 and the evaporator 5, it is preferable that each of the plurality of openings has a suitable inclination or curvature. The cool air suction port 8 is provided in accordance with the duct 9, but may have long openings on the left and right sides of the rear surface of the refrigerator compartment, or may have a plurality of openings. Also, the influence of clogging with food can be further reduced by making the edge of the opening partially protrude toward the refrigerator compartment to make it uneven.

FIG. 3 is an enlarged side sectional view of the vicinity of the cold air suction port in another example of the rear portion of the refrigerator compartment. The cool air suction port 8 provided in the duct cover 2b in this example includes a shielding plate 8a for directing cool air sucked from the refrigerator compartment 2 side to the suction side of the evaporator 5. Cool air is circulated in the duct 9 from the top and bottom, from bottom to top. In this way, by attaching the inclined or curved shielding plate 8a in the duct 9 to the cool air suction port 8, the backflow of the cool air is prevented, The ventilation resistance can be reduced and cold air can be easily sucked into the duct 9 side. Although the figure shows the case where the number of the shielding plates 8a is one, when the cold air suction port 8 has a plurality of openings, it is preferable to provide the shielding plates 8a respectively. The cold air suction port 8 is inclined from the refrigerator compartment 2 side toward the suction side of the evaporator 5, and further provided with a shielding plate 8a, so that the cool air flowing through the refrigerator compartment 2 is further directed toward the duct 9 as indicated by an arrow. Can be circulated smoothly.

[0017]

The present invention is embodied in the manner described above, and has the following effects. On the back side of the refrigerator compartment, an evaporator that generates cool air, a blower fan that sends out cool air generated from the evaporator, and a duct cover that forms a duct from the back side to the upper surface side of the refrigerator compartment, the duct A cold air outlet is provided at the front end of the upper surface of the cover, which is open at the upper front of the door of the refrigerator compartment.The refrigerator compartment is divided into multiple spaces by shelves, and the duct cover on the rear side of the refrigerator compartment has cold air. A suction port is formed and the cool air suction port is located behind the shelf, so even if food is placed behind the refrigerator, the ventilation holes are not easily blocked, and it is possible to maintain good ventilation of cool air A simple refrigerator can be provided.

[Brief description of the drawings]

FIG. 1 is a side sectional view of a main part of a refrigerator according to an embodiment of the present invention.

FIG. 2 is an enlarged side sectional view around a cool air suction port in the embodiment of the refrigerator of the present invention.

FIG. 3 is an enlarged side sectional view around a cool air suction port in another example of the refrigerator of the present invention.

FIG. 4 is a side sectional view of a main part of a refrigerator in a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulated box 1a Partition wall 1b Door 2 Refrigerator room 2a Vegetable room 2b Duct cover 3 Freezer room 4 Shelf 5,15 Evaporator 6,16 Ventilation fan 7 Cold air outlet 8 Cold air inlet 8a Shield plate 9 Duct 9a Deodorizing filter 10 Compressor 18 Food

Claims (4)

[Claims] An insulated box body having a front opening and a door is vertically divided by a partition wall. A refrigerator compartment is provided at an upper portion, and a freezing compartment is provided at a lower portion. Cold air is provided at a rear side of the refrigerator compartment. An evaporator that generates the air, a blower fan that sends out cool air generated from the evaporator, and a duct cover that forms a duct from the back side to the upper side of the refrigerator compartment, and a front end on the upper side of the duct cover A cold air outlet opening at an upper portion of the front side of the refrigerator compartment on the door side, wherein the refrigerator compartment is divided into a plurality of spaces by shelves in a plurality of spaces, and a cold air intake port is provided in the duct cover on the rear side of the refrigerator compartment. The refrigerator is characterized in that the cold air inlet is disposed behind the shelf. 2. The refrigerator according to claim 1, wherein a gap for ventilation is provided between a rear end of the shelf and the cold air inlet. 3. The refrigerator according to claim 1, wherein the cool air suction port is inclined from the refrigerator compartment side toward the suction side of the evaporator. 4. The refrigerator according to claim 1, wherein the cool air suction port includes a shielding plate for directing cool air sucked from the refrigerator compartment to the suction side of the evaporator.