KR100512713B1 - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator having a main body forming a plurality of storage spaces and a door provided on a front surface of the main body to open and close the plurality of storage spaces, the evaporator and a blower fan being formed in the rear wall of the main body. A main duct having a discharge port facing at least one storage space; A door duct having an inlet opening in the door toward the one storage space and an outlet opening toward the other storage space; And a circulation duct communicating with the main duct with a suction port opened toward the other storage space. Thereby, it is possible to smoothly flow the cold air to improve the cooling efficiency of the cooling chamber, it is provided with a refrigerator that can effectively cool the storage stored in the door guard. In addition, since the loss of the suction flow path is reduced, the flow loss of the overall cold air is reduced, thereby providing a refrigerator capable of reducing the power consumption.

Description

Refrigerator {Refrigerator}

The present invention relates to a refrigerator, and more particularly, a refrigerator having a main duct for receiving an evaporator and a blower fan, a door duct having an inlet and an outlet formed in the door, and a circulation duct having a suction port communicating with the main duct. It is about.

3 is a side cross-sectional view of a conventional refrigerator. As shown in this figure, the conventional refrigerator is provided in the main body 101 forming the freezing chamber 103 and the refrigerating chamber 105, and in the front opening of the freezing chamber 103 and the refrigerating chamber 105, and the freezing chamber 103 and The refrigerator compartment door 107 and the refrigerator compartment door 109 which rotate and open and close the refrigerator compartment 105 are provided.

The freezing chamber 103 and the refrigerating chamber 105 are divided into a plurality of storage spaces by the support shelf 111 for supporting the storage product, and a vegetable chamber 112 for storing vegetables is provided below the refrigerating chamber.

On the other hand, the cold air duct 113 which accommodates the evaporator 115 and the blowing fan 117 is provided in the rear wall of the freezer compartment 103 and the refrigerator compartment 105, and the evaporator 115 is provided in the rear wall surface of the refrigerator compartment 105. A plurality of cold air discharge ports 119 for discharging cold air from each of the storage spaces are formed along the upper and lower sides of the refrigerating chamber 105. In addition, a suction inlet 121 for inhaling cold air is formed in one region of the rear wall surface of the refrigerating chamber 105, and communicated with the cold air duct 113 in the rear wall of the refrigerating chamber 105 to be sucked from the inlet 121. A circulation passage 123 is provided for reflowing cold air into the cold air duct 113.

By the configuration as described above, the cold air generated from the evaporator 115 is discharged to each storage space through the cold air discharge port 119 by the rotation drive of the blower fan 117, the cold air discharged into each storage space is stored After cooling the stored product stored in the space, it flows into the cold air duct 113 formed in the rear of the refrigerating chamber 105 through the circulation passage 123 and is cooled by the evaporator 115 and supplied to each storage space. .

By the way, in the conventional refrigerator, cold air is circulated by the pressure difference generated by the operation of the blower fan provided in the cold air duct, and the cold air flows smoothly because the suction and discharge resistances of the circulation flow path and the cold air duct are large. There is a problem that it is not made. In addition, in the case of storing a large amount of storage items on the support shelf, cooling of the storage items located at the rear of the cold air discharge port is not easily performed, and cooling of the storage items stored in the door guard by the storage goods is not efficiently performed.

Accordingly, an object of the present invention is to provide a refrigerator capable of smoothly flowing the cold air, improving the cooling efficiency of the cooling chamber, and effectively cooling the storage item stored in the door guard. In addition, since the loss of the suction flow path is reduced, the flow loss of the overall cold air is reduced, thereby reducing the power consumption.

The object of the present invention is a refrigerator having a main body for forming a plurality of storage spaces and a door provided on the front of the main body to open and close the plurality of storage spaces, the evaporator and the blower being formed in the rear wall of the main body. A main duct accommodating a fan and having a discharge port facing at least one storage space; A door duct having an inlet opening in the door toward the one storage space and an outlet opening toward the other storage space; It is achieved by a refrigerator, characterized in that it comprises a circulation duct communicating with the main duct having a suction port opened toward the other storage space.

Here, the suction fan is preferably installed in the circulation duct.

In addition, the main duct is disposed over a plurality of storage spaces, and at least a discharge port for each storage space except for the other storage spaces may be formed to smoothly supply cold air.

In addition, it is more effective that the door duct has an inlet toward a plurality of storage spaces and an outlet toward a single storage space.

Preferably, each of the storage spaces is blocked to prevent cold air flow by the storage shelf, and the evaporator may be disposed at a connection area of the circulation duct with respect to the main duct.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of a refrigerator according to the present invention, Figure 2 is a side cross-sectional view of the refrigerator of FIG. As shown in these drawings, the refrigerator includes a main body 1 in which a freezer compartment 3 and a refrigerating compartment 5, which are provided to freeze and refrigerate stored products, are formed on an upper and lower sides, respectively, and a freezer compartment 3 and a refrigerating compartment 5. It has a freezing chamber door (7) and the refrigerating chamber door (9) for opening and closing the front opening of the).

The refrigerating chamber 5 is divided into a plurality of storage spaces by the support shelf 11 or the like so as to efficiently store and store the stored goods, and a vegetable chamber 12 for storing vegetables is provided below the refrigerating chamber 5.

In the rear wall of the refrigerating chamber 5, a main duct 13 having an evaporator 15 for generating cold air and a blower fan 17 for blowing cold air from the evaporator 15 into the storage space is provided.

The main duct 13 is disposed over a plurality of storage spaces, and a plurality of discharge ports 21 for discharging cold air toward each of the plurality of storage spaces are formed along the vertical direction of the refrigerating chamber 5. In addition, the main duct 13 is provided with a circulation duct 23 which communicates with the main duct 13 and has an intake port 25 opened toward one storage space. Suction fan 27 is provided for.

The evaporator 15 provided in the rear wall of the refrigerating chamber 5 is disposed in the connection region of the circulation duct 23 with respect to the main duct 13, and the heat insulating material having a predetermined thickness is provided on the rear surface of the evaporator 15. 19) is provided. In the connection region between the main duct 13 and the circulation duct 23, a suction barrier 29 is provided to block the cold air introduced into the circulation duct 23 directly from the evaporator 15.

On the other hand, the refrigerating chamber door 9 is provided with a door duct 31 having an outlet 33 opened toward one of the plurality of storage spaces and an inlet 35 opened toward the other storage space. . The door guard 37 provided in the refrigerating chamber door 9 is provided with a close contact portion 39 so as to be in close contact with the front surface of each support shelf 11, and a cushioning material 41 is attached to the close contact portion.

By the above configuration, when the blower fan 17 and the suction fan 27 operate, the cool air from the evaporator 15 is blown into the respective storage spaces through the discharge port 21 formed in the main duct 13, respectively. Cool the storage stored in the storage space. The cold air supplied to each storage space flows into the door duct 31 through the plurality of inlets 35 formed in the refrigerating chamber door 9. The cold air introduced through the inlet 35 flows along the door duct 31 and flows out to the circulation duct 23 through the outlet 33 formed toward the suction fan 27, and the cold air is discharged to the suction fan ( 27 is introduced into the circulation duct 23 by the operation. Thereby, the flow of cold air can be made smoothly.

The cold air introduced into the circulation duct 23 is not directly introduced into the evaporator 15 by the suction chuck 29, but is bypassed and cooled again, and then is again supplied to each storage space through the main duct 13. In addition, the heat insulating material 19 provided on the rear surface of the evaporator 15 prevents frost or dew that may occur in the circulation duct 23 due to the temperature difference between the evaporator 15 and the cold air introduced into the circulation duct 23. can do.

On the other hand, the close contact portion 39 formed in the door guard 37, by close contact with the front surface of each support shelf 11 and the door guard 37 can block the cold air flowing up and down of each support shelf 11, The cushioning material 41 provided on the close contact portion 39 serves as a buffering function when the refrigerator door 9 is opened and closed.

As such, the main duct is formed in the rear wall of the main body to accommodate the evaporator and the blower fan and has a discharge port toward at least one storage space, an inlet opening in the door toward the one storage space, and another storage By providing a door duct having an outlet opening opened toward the space and a circulation duct communicating with the main duct with a suction port opened toward the other storage space, the flow of cold air can be smoothly achieved, and the flow of cold air can be achieved. The loss can be reduced.

As described above, according to the present invention, it is possible to smoothly flow the cold air to improve the cooling efficiency of the cooling chamber, and to provide a refrigerator capable of effectively cooling the storage items stored in the door guard. In addition, since the loss of the suction flow path is reduced, the flow loss of the overall cold air is reduced, thereby providing a refrigerator capable of reducing the power consumption.

1 is a perspective view of a refrigerator according to the present invention;

Figure 2 is a side cross-sectional view of the refrigerator of Figure 1,

3 is a side cross-sectional view of a conventional refrigerator.

* Explanation of symbols for the main parts of the drawings

1: body 3: freezer

5: refrigerator compartment 7: freezer door

9: refrigerating chamber door 11: support shelf

13 main duct 15 evaporator

17: blower fan 19: heat insulating material

21: discharge port 23: circulation duct

25 suction port 27 suction fan

29: suction bump 31: door duct

33: outlet 35: inlet

37: door guard 39: close contact

41: cushioning material

Claims (6)

A refrigerator having a main body forming a plurality of storage spaces and a door provided on a front surface of the main body to open and close the plurality of storage spaces, A main duct formed in a rear wall of the main body to accommodate an evaporator and a blower fan and having a discharge port directed to at least one storage space; A door duct having an inlet opening in the door toward the one storage space and an outlet opening toward the other storage space; And a circulation duct communicating with the main duct having a suction port opened toward the other storage space. The method of claim 1, A refrigerator, characterized in that the suction fan is installed in the circulation duct. The method of claim 2, A refrigerator, characterized in that disposed in the main duct over a plurality of storage spaces, to form a discharge port for each storage space except at least the other storage space. The method of claim 3, The door duct has a refrigerator, characterized in that it has an inlet toward a plurality of storage spaces, and an outlet toward a single storage space. The method of claim 4, wherein Each of the storage space is blocked by the shelf for storing the cold air flow to be blocked. The method of claim 5, And the evaporator is disposed in a connection area of the circulation duct with respect to the main duct.