JP2002295949A - Refrigerator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a refrigerator in which cooling is performed while eliminating stagnation of chill and reducing transfer of smell regardless of variation of load, e.g. foods, by supplying chill individually to respective shelves of a refrigeration chamber. SOLUTION: Interior of a thermal insulation box 1 is sectioned into a refrigeration chamber 5, a vegetable chamber 6, and a freezing chamber 7 by partitioners 8 and 9, a cooler 14 for refrigeration and a cooling fan 15 for refrigeration chamber are disposed below the refrigeration chamber 5, a plurality of shelf plates 5a are provided in the refrigeration chamber 5 at an interval in the vertical direction and chill generated from the cooler 14 for refrigeration is supplied by means of the cooling fan 15 for refrigeration chamber. In such a refrigerator, a chill supply duct 20 extending vertically and communicating with the supply opening 15a of the cooling fan 15 for refrigeration chamber is formed on one side face of the refrigeration chamber 5, and a plurality of outlets 21 for supplying chill into the refrigeration chamber 5 are made in the chill supply duct 20. On the other side face of the refrigeration chamber 5, a plurality of openings 22 for returning chill in the refrigeration chamber 5 back to the cooler 14 for refrigeration are made and a chill circulation duct 23 extending vertically between the return opening 22 and the cooler 14 for refrigeration is formed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control technique for a refrigerator having a refrigerator and a cooling fan in a refrigerator compartment and a freezer compartment, and more particularly, to operate a refrigerator compartment cooling fan even when the compressor is stopped. The present invention relates to a refrigerator capable of reducing a load in defrosting and shortening defrosting to reduce power consumption.

[0002]

2. Description of the Related Art A conventional refrigerator of this type includes, for example, FIG.
As shown in the figure, partitioning bodies 35 and 36 are provided inside (inner box 33) of the heat insulating box 31 in which the heat insulating material 34 is filled between the outer box 32 and the inner box 33, and the refrigerator compartment 37 and the vegetable compartment 38 There is a compartment that is divided into a freezer compartment 39 and doors 40, 41, and 42 are provided respectively. A first cooler 43 corresponding to the refrigerator compartment 37 and the vegetable compartment 38 is provided behind the vegetable compartment 38, The cold air generated by the heater 43 is transferred to the refrigerator compartment 37 and the vegetable compartment.
A first blower 44 forcibly circulating through 38 and a front cover
A cold air generation chamber 46 partitioned by 45 is provided. The cold air is further supplied to the refrigerator compartment 37, and the cold air in the refrigerator compartment 37 is supplied to the partition 35 between the refrigerator compartment 37 and the vegetable compartment 38 in a cool air passage (not shown).
To the vegetable compartment 38 and return cold air to the front cover 45
It is configured to return to a lower part of the first cooler 43 through a cool air return passage 48 formed in the first cooler 43.

[0003] Further, a chilled room
A refrigerator 37 is provided, and a plurality of shelves 37b on which foods and the like are placed are provided inside the refrigerator compartment 37 at intervals in the vertical direction. A second cooler 49 dedicated to the freezer compartment 39 and a second blower 50 for forcibly circulating the cool air generated by the cooler 49 into the freezer compartment 39 are provided behind the freezer compartment 39. .

However, in the conventional refrigerator having the above-described structure, the cool air blown out from the outlet 47a on the back of the refrigerator compartment 37 flows to the return port provided in the partition 35 below the refrigerator compartment 37. Therefore, there is a risk that cold air may stagnate between the shelves 37b or that odor may shift between foods.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has a cool air outlet and a return port on the left and right sides between the respective shelves of the refrigerator compartment. It is an object of the present invention to provide a refrigerator that cools air, has no stagnation of the cool air, performs strong cooling against load fluctuation of foods and the like, and can reduce odor transfer.

[0006]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and the inside of a heat insulating box formed by filling a heat insulating material between an outer box and an inner box is formed by two upper and lower partitions. A refrigerator compartment, a vegetable compartment, and a freezing compartment are partitioned, and a refrigerator for cooling and a cooling compartment cooling fan are arranged below the refrigerator compartment, and a plurality of the refrigerator compartments are spaced vertically in the refrigerator compartment. A refrigerator provided with a shelf plate and supplying cool air generated by the refrigerator cooler with the refrigerator compartment cooling fan, wherein one side of the refrigerator compartment communicates with an air outlet of the refrigerator compartment cooling fan; Forming a cold air supply duct extending vertically, providing a plurality of outlets for blowing cold air to the refrigerator compartment in the cold air supply duct, and providing the cold air of the refrigerator compartment to the other side of the refrigerator compartment for the refrigerator. Return to the cooler, with multiple return ports Extending up and down, forming a cold air recirculation duct connecting the return port and the refrigerator cooler, between the plurality of shelves, between the top surface of the refrigerator room and the uppermost shelf plate and the refrigerator room At least one pair of the outlet and the return port are provided between the bottom surface and the lowermost shelf.

[0007] Further, a damper is provided below the cool air supply duct.

Further, a chilled room cold air supply duct is provided on one side surface of the refrigerated room, the chilled room being provided at a lower portion of the refrigerated room, and a chilled room cooling fan communicating with an air outlet of the refrigerated room cooling fan. I have.

[0009] Further, the refrigerator and the refrigerator compartment cooling fan are provided in the partition between the refrigerator compartment and the vegetable compartment.

[0010] Further, the refrigerating cooler and the refrigerating compartment cooling fan are provided on a side surface of a chilled chamber provided at a lower portion of the refrigerating compartment.

Further, the refrigerator cooler is provided on a side surface of the vegetable room, and the refrigerator cooling fan is provided on a side surface of the vegetable room or a side surface of a chilled room provided below the refrigerator room. It has a configuration.

[0012]

Embodiments of the present invention will be described in detail with reference to the accompanying drawings. FIG. 1 is a schematic sectional view of a refrigerator of the present invention, and FIG. 2 is a front view of a main part of the present invention. In the figure, reference numeral 1 denotes a heat insulating box (refrigerator body) including an outer box 2 made of steel plate, an inner box 3 made of synthetic resin, and a heat insulating material 4 filled between the two boxes. 5, a vegetable compartment 6 and a freezing compartment 7, and the refrigerator compartment 5 and the vegetable compartment 6 are partitioned by a partitioning member 8 that partitions the inside of the heat-insulating box 1 up and down. The chamber 7 is partitioned by a partition 9. Each room has a structure in which food can be taken in and out by opening and closing the respective opening and closing doors 10, 11, and 12, and the cool air in each storage room is not mixed. Further, a chilled room 13 is provided below the refrigerator compartment 5, and a plurality of shelf plates 5a for placing foods and the like are provided inside the refrigerator compartment 5 at intervals in the vertical direction.

In the partition body 8 below the refrigerator compartment 5,
A refrigeration cooler 14 in the left-right direction, and a refrigeration compartment cooling fan for supplying cold air generated by the refrigeration cooler 14 to the refrigeration compartment 5
A freezing cooler 16 is provided behind the freezing compartment 7.
And the cool air generated by the freezing cooler 16
The cooling room cooling fan 17 which supplies the cooling room is provided. A variable capacity compressor 19, a condenser (not shown), a capillary tube, and the like are arranged in a machine room 18 at a lower rear portion of the refrigerator main body 1.

A cold air supply duct 20 is formed on one side of the refrigerator compartment 5 so as to communicate with an air outlet 15a of the refrigerator compartment cooling fan 15 and extend vertically. A plurality of outlets 21 for blowing cold air are provided, and a plurality of return ports 22 for returning cold air of the refrigerator 5 to the refrigerator cooler 14 on the other side surface of the refrigerator 5 and extending vertically. In addition, a cool air recirculation duct 23 connecting the return port 22 and the refrigerating cooler 14 is formed.

The plurality of outlets 21 and the plurality of return ports 22 are connected between the plurality of shelves 5a, between the top surface of the refrigerator compartment 5 and the uppermost shelf plate 5a, and the bottom surface of the refrigerator compartment 5 respectively. Since at least one pair is provided between the lowermost shelf plates 5a, the cool air flows through each of the shelves individually. Transfer can be reduced.

A damper 20a is provided at a lower portion of the cool air supply duct 20, and a cold air outlet 13a of a chilled room 13 provided at a lower portion of the cool room 5 is provided at one side of the cool room 5. By providing a chilled room cold air supply duct 13b communicating with the air outlet 15a of the room cooling fan 15, the temperature of the chilled room 13 is maintained at about -1 ° C., which is several degrees lower than the temperature of the refrigeration room 5. be able to.

FIG. 3 shows another embodiment according to the present invention, in which the refrigerator 14 and the cooling fan of the refrigerator are used.
15 is provided on the side surface of the chilled chamber 13, and a cold air supply duct 20 is connected to an air outlet 15a of the cooling chamber cooling fan 15 to supply cool air, thereby achieving the same effect as described above. available.

FIG. 4 shows still another embodiment according to the present invention, wherein the refrigerator cooler 14 is provided on the side surface of the vegetable compartment 6 and the refrigerator cooling fan 14 is connected to the vegetable compartment 6. A side surface or a structure provided on the side surface of the chilled chamber 13.
By connecting the cool air supply duct 20 to a and supplying cool air, the same effect as described above can be obtained.

As described above, on one side of the refrigerator compartment 5, a cold air supply duct 20 communicating with the air outlet 15a of the refrigerator compartment cooling fan 15 and extending vertically is formed. A plurality of outlets 21 for blowing cold air into the refrigerator compartment 5 are provided in 20, and the cold air in the refrigerator compartment 5 is returned to the refrigerator cooler 14 on the other side surface of the refrigerator compartment 5;
A plurality of return ports 22, extending vertically, forming a cool air recirculation duct 23 connecting the return port 22 and the refrigeration cooler 14, the plurality of outlets 21 and the plurality of return ports 22, Between the plurality of shelves 5a, between the top surface of the refrigerator compartment 5 and the uppermost shelf 5a,
In addition, since the cool air is individually supplied to each of the shelves by having a configuration provided between the bottom surface of the refrigerator compartment 5 and the lowermost shelf plate 5a, there is no stagnation of the cool air, and the cooling is strong against load fluctuation of foods and the like. And a refrigerator that can reduce odor transfer.

[0020]

As described above, according to the present invention, a cold air supply duct and a plurality of air outlets are provided on one side of the refrigerator compartment, and a plurality of return ports and a cold air recirculation duct are provided on the other side. A plurality of outlets and a plurality of return ports are provided between the plurality of shelves, between the top surface of the refrigerator compartment and the uppermost shelf plate, and between the bottom surface of the refrigerator compartment and the lowermost shelf plate, respectively. By doing so, since the cool air is individually flowed to each shelf, there is no stagnation of the cool air, and the refrigerator can perform the cooling that is strong against the load fluctuation of the food and the like and can reduce the odor transfer.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view of a refrigerator of the present invention.

FIG. 2 is a front view of a main part of the refrigerator showing the embodiment of the present invention.

FIG. 3 is a front view of a main part of a refrigerator showing another embodiment of the present invention.

FIG. 4 is a front view of a main part of a refrigerator showing still another embodiment of the present invention.

FIG. 5 is a schematic sectional view of a refrigerator according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Insulated box 2 Outer box 3 Inner box 4 Insulation material 5 Refrigerator room 5a Shelf board 6 Vegetable room 7 Freezer room 8, 9 Partition body 10, 11, 12 Opening door 13 Chilled room 13a Cold air outlet 13b Chilled room cold air supply duct 14 Refrigerator Cooler 15 Refrigerator Cooling Fan 15a Blow Out Port 16 Refrigerator Cooler 17 Refrigerator Cooling Fan 20 Cold Air Supply Duct 20a Duct 21 Outlet 22 Return Port 23 Cold Air Reflux Duct

Claims (6)

[Claims] 1. An interior of a heat insulating box formed by filling a heat insulating material between an outer box and an inner box is divided into a refrigerator compartment, a vegetable compartment, and a freezer compartment by two upper and lower partitions. A refrigeration cooler and a refrigeration compartment cooling fan are disposed below, and a plurality of shelves are provided in the refrigeration compartment at intervals in the vertical direction, while the cool air generated by the refrigeration cooler is refrigerated. In a refrigerator supplied by a room cooling fan, a cold air supply duct is formed on one side of the refrigerator compartment, the cold air supply duct being connected to the air outlet of the refrigerator compartment cooling fan and extending vertically, and the cold air supply duct is provided with the refrigerator. A plurality of outlets for blowing cold air into the chamber, and a plurality of return ports for returning the cool air in the refrigerator chamber to the refrigerator cooler on the other side surface of the refrigerator chamber; Air recirculation duct connecting the refrigerator and the refrigerator cooler Between the plurality of shelves, between the top surface of the refrigerator compartment and the uppermost shelf plate and between the bottom surface of the refrigerator compartment and the lowermost shelf plate, at least a pair of the outlet and return port Refrigerator characterized by being provided respectively. 2. The refrigerator according to claim 1, wherein a damper is provided below the cool air supply duct. 3. A chilled room cold air supply duct which communicates a chilled room provided at a lower portion of the refrigerated room with a blower port of the refrigerated room cooling fan on one side surface of the refrigerated room. The refrigerator according to claim 1, wherein 4. The refrigerator according to claim 1, wherein the refrigerator cooler and the refrigerator compartment cooling fan are provided in the partition between the refrigerator compartment and the vegetable compartment. 5. The refrigerator according to claim 1, wherein the refrigerating cooler and the refrigerating room cooling fan are provided on a side surface of a chilled room provided at a lower part of the refrigerating room. 6. The refrigerator according to claim 1, wherein the refrigerator is provided on a side surface of the vegetable room, and the cooling fan is provided on a side surface of the vegetable room or a side surface of a chilled room provided at a lower portion of the refrigerator room. The refrigerator according to claim 1, wherein