KR20100111481A - Refrigerator - Google Patents

Abstract

PURPOSE: A refrigerator is provided to prevent the frost or the cold air from becoming generated due to the temperature difference between the inner air of a gasket and the outer air of the gasket or the inner air of a refrigerating compartment. CONSTITUTION: A refrigerator comprises an ice-making chamber(100), a cool air duct(300), a duct decoration(500), and a gasket(200). The ice-making chamber is installed in the door of a refrigerating compartment, which is rotatably installed to the main body. The cold air duct guides the cold air flow between an evaporator and the ice-making chamber. The duct decoration is installed on the inner side of the main body and forms the inlet and the outlet of the cold air of the cold air duct. The gasket is installed in the ice-making chamber corresponding to the duct decoration and makes tight contact with the outer circumference of the duct decoration to prevent the leakage of the cold air when the refrigerating compartment door is closed. The inner diameter of the gasket through which the cold air passes is larger than the outer diameter of the duct decoration.

Description

Refrigerator {Refrigerator}

The present invention relates to a refrigerator.

In general, a refrigerator is a home appliance that allows food to be stored at a low temperature in an interior storage space shielded by a door, and is stored by cooling the inside of the storage space using cold air generated through heat exchange with a refrigerant circulating in a refrigeration cycle. It is configured to keep foods in optimal condition.

Such refrigerators are gradually becoming larger and more multifunctional in accordance with the change of dietary life and the upgrading of products, and refrigerators with various structures and convenience devices have been released in consideration of user convenience.

And, for the user's convenience, an ice maker is provided for storing ice even inside the refrigerator. The ice making apparatus may be formed at various positions according to the shape of the refrigerator.

In general, the ice making apparatus is generally provided in the freezing compartment or in the freezing compartment door, and is provided to be provided in the refrigerating compartment door or the refrigerating compartment body when a separate insulation space is provided.

On the other hand, when the ice-making device is provided in the refrigerating chamber door, the ice-making chamber in which the ice-making apparatus is accommodated is formed in the refrigerator compartment door, and the main body is comprised so that the cold air duct for supplying cold air to the said ice-making chamber is provided.

The ice-making compartment and the cold air duct may be selectively communicated with each other according to the opening and closing of the refrigerating compartment door. The ice-making compartment may be in communication with each other in the closed state of the refrigerating compartment door to supply cold air. It is configured to prevent leakage of cold air.

However, in a refrigerator having such a structure, a difference between an inside cold air temperature and an outside air temperature or a refrigerating chamber temperature occurs at a portion where the gasket is in contact with the gasket, thereby causing frost or freezing.

The purpose of the embodiment according to the present invention is that the outer diameter of the duct deco, which is the outlet of the cold air duct is formed smaller than the inner diameter of the gasket to prevent external leakage of the cold air, while the heat of the heater is transferred to the gasket side by the heat generating member adjacent to the gasket It is to provide a refrigerator to prevent frost and freezing.

In the refrigerator according to an embodiment of the present invention, a refrigerator having an ice making chamber in a refrigerating chamber door rotatably mounted to a main body, the refrigerator comprising: a cold air duct guiding cold air flow between the ice making chamber and the evaporator side; A duct deco mounted inside the main body, the duct deco respectively forming a cold air outlet and an inlet of the cold air duct; A gasket mounted to the ice making chamber corresponding to the duct deco and including a gasket which is in close contact with the outer circumference of the duct deco to prevent leakage of cold air when the refrigerator door is shielded. It is larger than the outer diameter of duct deco.

In addition, the duct deco is characterized in that it is fixedly mounted to the mounting portion formed stepped in the inner case forming the inner surface of the main body.

In addition, the mounting portion is characterized in that it is formed to be located inside the opening of the cold air duct.

In addition, the back surface of the inner case corresponding to the contact portion of the gasket is characterized in that a heat transfer member for transferring the heat of the heater is provided.

In addition, the heat transfer member is characterized in that it extends to a position adjacent to the mounting portion.

In addition, the inner case is characterized in that the heater is provided along the circumference adjacent to the duct deco.

In addition, the back of the inner case is characterized in that a heat transfer member for transferring the heat of the heater is provided.

According to the refrigerator according to the embodiment of the present invention, the outer diameter of the duct deco of the cold air duct through which cold air enters and lowers is formed smaller than the size of the inner diameter of the gasket so that the entire duct deco is located inside the gasket.

Therefore, the cold air passing through the duct deco as well as the cold air leaking out of the gap between the inner case in which the duct deco is mounted can pass through the inside of the gasket to prevent leakage of the cold air.

Then, a heat transfer member is provided on the back of the inner case in contact with the gasket, and the heat transferred by the heater in contact with the heat transfer member can heat one side of the inner case in contact with the gasket.

Therefore, one side of the inner case in contact with the gasket or the gasket can prevent the occurrence of frost or cold air due to the temperature difference between the cold inside the gasket and the outside air or the refrigerating chamber temperature outside the gasket.

As a result, it is possible to prevent the loss of cold air delivered to the ice making chamber and maintain the temperature of the refrigerating chamber at a constant, thereby improving the overall ice making performance and cooling performance.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, it should be understood that the present invention is not limited to the embodiment shown in the drawings, and that other embodiments falling within the spirit and scope of the present invention may be easily devised by adding, .

1 is a perspective view of an open door of a refrigerator according to an embodiment of the present invention, Figure 2 is a perspective view showing the flow of cold air in the ice-making chamber and the evaporator side of the refrigerator according to the embodiment of the present invention.

Referring to these drawings, the refrigerator 1 according to an embodiment of the present invention has an appearance by a main body 10 forming a storage space and a door mounted to the main body 10 so as to selectively shield the storage space. Is formed.

The main body 10 is formed in a substantially rectangular parallelepiped shape, and the refrigerating chamber 20 and the freezing chamber 30 are formed by barriers 12 which divide the inner space into upper and lower portions, respectively. The refrigerating chamber 20 forms an upper space of the main body 10, and the freezing chamber 30 forms a lower space of the main body 10.

In addition, an evaporator 14 for generating cold air is provided at an inner rear half of the freezing chamber 30, and a mechanical chamber including a compressor, a condenser, and the like is formed at the rear of the freezing chamber 30.

On the other hand, the door is composed of a refrigerator compartment door 22 that shields the refrigerator compartment 20 and a freezer compartment door 32 that shields the freezer compartment 30.

The refrigerating compartment door 22 is rotatably mounted on both the left and right sides of the main body 10 as a pair, and configured to selectively shield the refrigerating compartment 20 by the rotation. In addition, the freezer compartment door 32 is mounted to draw in and out of the freezer compartment 30 so as to selectively shield the freezer compartment 30, and the freezer compartment door 32 is tilted as needed. Tilting) can be configured.

Meanwhile, an ice making chamber 100 is formed in any one of the refrigerating chamber doors 22 on the left and right sides. The ice making chamber 100 accommodates an ice maker 110 for making ice and an ice bank 120 for storing ice. The ice making chamber 100 is formed to be insulated and configured to be ice-making inside.

The ice making chamber 100 is formed to protrude from the rear surface of the refrigerating chamber door 22 and is formed to have a predetermined heat insulating space therein. In addition, the ice making chamber 100 may be integrally formed by an inner case 400 forming a rear surface of the refrigerating chamber door 22, or may be detachably formed as a separate member. In addition, the ice making room 100 is provided with an ice making room door 130, and the ice making room 100 may be selectively shielded by the ice making room door 130.

In addition, an ice maker 110 for making ice with water is mounted on an inner upper side of the ice making chamber 100, and an ice bank 120 for storing iced ice is provided below the ice maker 110. .

The ice bank 120 may be provided with an auger to prevent entanglement of the stored ice and to make pieces of ice when the ice is taken out. In addition, the ice bank 120 communicates with a dispenser (not shown) provided on the front side of the refrigerating compartment door 22 so that the ice being stored in the ice bank 120 is moved to the outside in a state where the refrigerating compartment door 22 is closed. It can be taken out.

On the other hand, one side of the refrigerating compartment 20 corresponding to the hinge side of the refrigerating compartment door 22, the cold air inlet 140 through which cold air flows into the refrigerating compartment 20 to make ice, and the ice making chamber 100 The cold air discharge port 150 through which air circulated inside is discharged to the outside of the ice making chamber 100 is formed.

The cold air inlet 140 and the cold air outlet 150 are formed to penetrate the side wall contacting the inner wall surface of the refrigerating chamber 20, respectively, and are formed in the upper and lower portions, respectively. In this case, the cold air inlet 140 and the cold air outlet 150 are formed at positions corresponding to the openings 330 of the cold air duct 300 to be described below.

The gasket 200 is mounted to the outside of the cold air inlet 140 and the cold air outlet 150, respectively. The gasket 200 is formed of an elastic material and is formed along a circumference of the cold air inlet 140 and the cold air outlet 150 to be compressively deformable.

When the gasket 200 is mounted to protrude from one wall of the ice making chamber 100 and the refrigerating chamber door 22 is closed, an inner case corresponding to the outside of the duct deco 500 to be described below ( 400). Therefore, it is configured to prevent leakage of cold air entering or exiting the ice making chamber 100.

The gasket 200 is formed to be in surface contact when contacted with the inner case 400, and to have an inner diameter corresponding to the size of the cold air inlet 140 and the cold air outlet 150 for the entry and exit of cold air. do. In this case, the inner diameter D1 of the gasket 200 may be larger than the outer diameter D2 of the duct deco 500 to be described below.

In addition, the grill part 220 is formed in the opened portion of the gasket 200 through which the cold air enters and exits. The grill unit 220 has a plurality of openings formed by concentric circles smaller than the inner diameter of the gasket 200 and at least one linear shape crossing the inside to facilitate the inflow of cold air while preventing the inflow of foreign substances. It becomes possible.

On the other hand, the cold air duct 300 is provided on the inner wall surface of the main body 10. The cold air duct 300 guides the flow of cold air between the evaporator 14 side and the ice making chamber 100 provided in the freezing chamber 30, and the ice making chamber 100 is located at one side of the freezing chamber 30. It extends to one side of the refrigerating chamber 20 in a position corresponding to the.

In detail, the cold air duct 300 is a supply duct 310 for guiding the cold air generated in the evaporator 14 to the inside of the ice making chamber, and the air discharged from the inside of the ice making chamber 100 to the outside. It consists of a return duct 320 to the evaporator side, the supply duct 310 and the return duct 320 are arranged side by side.

The cold air duct 300 is embedded in the side wall of the main body 10 in which the ice making chamber 100 is provided, so as not to be affected by the temperature of the outside air or the refrigerating chamber 20 or the freezing chamber 30 by a heat insulating material. It is composed. The cold air duct 300 extends from one side of the freezing chamber 30 adjacent to the evaporator 14 to one side of the refrigerating chamber 20.

That is, the opened lower end of the cold air duct 300 is opened at the evaporator 14 side, and the upper end of the cold air duct 300 is cold air of the ice making chamber 100 when the refrigerating chamber door 22 is closed. It is formed to be open at a corresponding position of the inlet 140 and the cold air outlet 150.

On the other hand, the duct deco 500 is mounted in a position corresponding to the open position of the upper end of the supply duct 310 and the feedback duct 320. The duct deco 500 forms an open portion of the supply duct 310 and the return duct 320, and is configured to be exposed to the outside when the refrigerating compartment door 22 is opened.

3 is a partially exploded perspective view showing a duct deco mounting structure of the refrigerator according to the embodiment of the present invention.

Referring to the drawings, a cold air duct 300 is provided inside the inner case 400. The cold air duct 300 is buried and fixedly mounted by a heat insulating material, and the opening 330 of the upper portion of the cold air duct 300 is exposed through the inner case 400.

Then, a heat transfer member 420 is transferred to a rear surface of the inner case 400 corresponding to the position at which the cold air duct 300 is mounted. The heat transfer member 420 is to transfer heat generated from the heater 410 to one side of the inner case 400 in contact with the gasket 200, and at least an inner case 400 in contact with the gasket 200. At one side of the back and the heater 410 is formed in a position to be mounted.

The heat transfer member 420 may be an aluminum foil, and any material may be used as long as it is a heat transferable material.

The heater 410 may be mounted on the inner case 400 or the cold air duct 300, and may be formed to surround the outside of the opening 330 of the cold air duct 300 a plurality of times. The heater 410 is formed at a position adjacent to the position on the inner case 400 in contact with the gasket 200 in a configuration that can generate heat by the application of power.

In addition, a buffer member 430 for stably fixing the cold air duct 300 is provided at a point where the cold air duct 300 is in contact with the inner case 400. The buffer member 430 may be formed of a material such as a sponge.

On the other hand, the mounting portion 440 is formed in the inner case 400 corresponding to the opening 330 of the cold air duct 300. The mounting part 440 is for mounting the duct deco 500 to be described below, and forms a perforation corresponding to the opening 330 to form an access passage of cold air.

The mounting portion 440 is formed in a size corresponding to the size of the duct deco 500, it is formed to be stepped inward so that the duct deco 500 can be seated. When the duct deco 500 is mounted, the inner surface of the duct deco 500 and the inner case 400 is configured to be located on the same plane. In addition, an insertion hole 442 is formed in the mounting portion 440 so that one side of the duct deco 500 is inserted.

On the other hand, the duct deco 500 is mounted inside the inner case 400 corresponding to the opening 330 of the cold air duct 300 to prevent foreign substances from entering the outside at the same time to facilitate the entry and exit of cold air. It is formed in disk shape. The duct deco 500 is formed to be smaller than the inner diameter of the passage through which the cold air of the gasket 200 enters and exits.

The duct deco 500 is formed with a grill portion 510 is formed a plurality of holes for the entry and exit of cold air. The grille 510 may be formed in various shapes, and may be formed by concentric shapes and shapes crossing the inside.

In addition, the duct deco 500 is formed with a fixing part 520 extending rearward to allow the duct deco 500 to be fixedly mounted. The fixing portion 520 is formed to be inserted into the insertion hole 442 formed in the mounting portion 440, is formed in a hook shape is configured to be engaged with the inside of the insertion hole 442.

Hereinafter, the operation of the refrigerator according to the present invention having the above configuration will be described in detail with reference to the accompanying drawings.

4 is a partially cutaway perspective view illustrating a state in which a gasket of the refrigerator according to an embodiment of the present invention contacts an inner case, and FIG. 5 is a cross-sectional view taken along line AA ′ of FIG. 1.

Referring to these drawings, the refrigerator 1 may supply cool air to the inside of the ice making chamber 100 in a state where the refrigerating chamber door 22 in which the ice making chamber 100 is formed is closed.

That is, in the state in which the refrigerating compartment door 22 is closed, the gasket 200 comes into contact with the inner case 400 of the main body 10. Accordingly, the ice making chamber 100 and the cold air duct 300 communicate with each other, so that the cold air generated at the evaporator 14 side passes through the supply duct 310 and the cold air inlet 140 in order. The air supplied to the ice chamber 100 and heat-exchanged in the ice making chamber 100 is guided to the evaporator 14 through the cold air discharge port 150 and the return duct 320 in turn so that the entire cold air is circulated. do.

In this case, the gasket 200 is in close contact with the inner case 400, and the duct deco 500 is located inside the cold passage of the gasket 200. Therefore, all the cold air entering and exiting through the duct deco 500 passes through the gasket 200, and there is no cold air leaking out of the gasket 200.

In addition, since the duct deco 500 is completely located inside the gasket 200, even some of the cold air leaked through the gap of the mounting part 440 on which the duct deco 500 is mounted is provided in the gasket 200. ) Will not leak outside.

In addition, the heater 410 is operated by a predetermined program or continuously maintained. The heat generated by the driving of the heater 410 heats one side of the inner case 400 along the heat transfer member 420, and in particular, heats a portion where the gasket 200 is in contact with the gasket 200. This will prevent sexual intercourse or freezing.

Therefore, the cold air guided to the ice making chamber 100 or the evaporator 14 through the cold air duct 300 can be smoothly flowed without leaking to the outside.

1 is a perspective view of an open door of a refrigerator according to an embodiment of the present invention.

Figure 2 is a perspective view showing the flow of cold air on the ice-making chamber and the evaporator side of the refrigerator according to an embodiment of the present invention.

3 is a partially exploded perspective view showing a duct deco mounting structure of the refrigerator according to the embodiment of the present invention.

Figure 4 is a partially cutaway perspective view showing a state in which the gasket of the refrigerator in contact with the inner case according to an embodiment of the present invention.

5 is a cross-sectional view taken along line AA ′ of FIG. 1.

Claims (7)

A refrigerator provided with an ice-making compartment in a refrigerating compartment door rotatably mounted to a main body, A cold air duct guiding cold air flow between the ice making chamber and the evaporator side; A duct deco mounted inside the main body, the duct deco respectively forming a cold air outlet and an inlet of the cold air duct; A gasket mounted to the ice making chamber corresponding to the duct deco and in close contact with an outer circumference of the duct deco when shielding the refrigerating compartment door, to prevent leakage of cold air; The inner diameter of the gasket through which cold air passes is larger than the outer diameter of the duct decor. The method of claim 1, The duct deco is a refrigerator, characterized in that fixedly mounted to the mounting portion formed stepped in the inner case forming the inner surface of the main body. The method of claim 2, The mounting portion is a refrigerator, characterized in that formed to be located inside the opening of the cold air duct. The method of claim 3, wherein And a heat transfer member for transferring heat from the heater to a rear surface of the inner case corresponding to the portion where the gasket is in contact with the gasket. The method of claim 4, wherein And the heat transfer member extends to a position adjacent to the mounting portion. The method of claim 2, The inner case is a refrigerator, characterized in that the heater is provided along the circumference adjacent to the duct deco. The method of claim 6, And a heat transfer member for transferring heat of the heater to a rear surface of the inner case.

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