KR100479493B1 - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator capable of uniformly cooling the inside of a refrigerating compartment.

In the refrigerator according to the present invention, the inside of the cabinet forming the exterior is partitioned up and down by an intermediate partition to form a freezer compartment and a refrigerating compartment. The refrigerator compartment includes rear cold air discharge holes provided at the rear side and sidewall cold air discharge holes provided at both side walls. The intermediate bulkhead is provided with a first cold air guide passage for guiding cold air from the rear side of the refrigerating compartment to both sides of the refrigerating chamber. By discharging from the rear and both sides of the has the effect of being able to uniformly cool the internal space of the refrigerator compartment.

Description

Refrigerator {REFRIGERATOR}

The present invention relates to a refrigerator, and more particularly, to a refrigerator capable of cooling the inside of a refrigerator compartment evenly.

In general, the refrigerator is a device that can maintain the freshness of the stored storage for a long time by supplying the cold air generated in the cooling device into the storage compartment to make the storage compartment cool.

In the conventional refrigerator, as shown in FIG. 1, the freezer compartment 2 and the refrigerating compartment 3 are hinged to the front surface of the cabinet 1 and the freezer compartment in which the freezer compartment 2 and the refrigerating compartment 3 are partitioned by the intermediate partition 4. (2) and a door (5) for opening and closing the refrigerating compartment (3), and a refrigeration cycle component mounted inside the cabinet (1).

In the rear of the freezing chamber 2, a cold air generating chamber 2a provided with an evaporator 2b and a blower fan 2c is formed to generate cold air and to supply the freezing chamber 2 and the refrigerating chamber 3, and the cold air generating chamber ( On the front side of 2a), a freezer compartment cold air discharge hole 2d is provided so as to communicate with the freezer compartment 2.

Meanwhile, the refrigerating chamber 3 is provided with a cold air duct 3a in which a part of the cold air generated in the cold air generation chamber 2a is transmitted by the blowing force of the blowing fan 2c. The cold air duct 3a is elongated in the rear wall of the refrigerating chamber 3 in the vertical direction, and the cold air duct 3b is provided on the front side to discharge the cold air.

In the refrigerator, however, the cold air is discharged only through the refrigerating chamber cold air discharge hole 3b provided in the rear wall, so that when the bulky storage is contained in the refrigerating compartment 3, the cold air is forwarded to the front side of the refrigerating compartment 3. There is a problem that the temperature distribution inside the refrigerating chamber 3 is uneven because it is not delivered.

The present invention is to solve such a problem, an object of the present invention is to provide a refrigerator capable of maintaining a uniform temperature inside the refrigerator compartment.

The present invention for achieving such an object,

A cabinet having a freezing compartment and a refrigerating compartment provided therein, an intermediate partition partitioning the cabinet inner space to form the freezing compartment and the refrigerating compartment, and a rear side of at least one of the freezing compartment and the refrigerating compartment and configured of a refrigeration cycle. A refrigerator having a cold air production chamber in which an element evaporator is installed and a cold air duct provided at a rear side of the refrigerating chamber and receiving cold air from the cold air generating chamber and supplying cold air to the refrigerating chamber through a rear cold air discharge hole provided at the front side. In the refrigerating chamber side wall is provided with a side cold air discharge hole to supply the cool air to the internal space of the refrigerating chamber, the intermediate partition wall receives the cold air from the cold air duct to supply the cold air to the side cold air discharge side of the refrigerator compartment A first cold air flow guide is provided to guide the side of the refrigerating compartment. It is provided with the second cool air guide passage connecting the first cool air guide passage and the cool air discharge hole side.

In addition, the first cold air guide flow path is formed to extend in the front side to guide the cold air to the front side, the second cold air guide flow path is formed long in the vertical direction to guide the cold air downward.

The second cold air guide flow passage is formed to be inclined downward in the front side to guide the cold air downward in the front side.

In addition, both sides of the main body are provided with a second cold air guide passage for receiving cold air from the first cold air guide passage to guide the discharge hole.

In addition, the cold air duct is provided with a damper for opening and closing the middle of the cold air duct is to control the inflow of cold air from the cold air generating chamber by the damper.

In addition, the inside of any one of the first cold air flow path and the second cold air flow path is rotatably installed to prevent the backflow of the air inside the refrigerating compartment by closing the installed cold air flow path to the freezer compartment side The member is provided.

In addition, the side cold air discharge hole is provided with a discharge amount adjusting device to adjust the amount of cold air discharged.

In addition, the discharge amount control device is installed to cover the discharge hole, the discharge hole stopper having a discharge hole formed to extend a predetermined length in the circumferential direction, rotatably installed and rotated in the discharge hole stopper to open and close at least a part of the discharge hole Discharge structure cutting cover is provided.

In addition, the discharge amount control device includes a color change material that changes color depending on the temperature.

Hereinafter, one preferred embodiment of the present invention will be described in detail with reference to the drawings.

As shown in FIGS. 2 and 3, the refrigerator according to the present invention forms an outer body, and generates a freezer compartment 11 and a refrigerating compartment 12 for storing and storing the storage 10 and a cabinet 10 formed up and down, and cold air. A refrigeration cycle component for supplying the freezer compartment 11 and the refrigerating compartment 12, and a door 20 for opening and closing the freezer compartment 11 and the refrigerating compartment 12.

The cabinet 10 is provided in an enclosure filled with urethane foam insulation, and the lower portion of the cabinet 10 is formed with a machine room 13 in which various electric appliances are installed. The machine room 13 is provided with a compressor 13a of a refrigerating cycle, a condenser (not shown) for condensing the high temperature and high pressure refrigerant discharged from the compressor 13a, an electrical equipment box (not shown), and the like.

The freezing chamber 11 and the refrigerating chamber 12 formed in the cabinet 10 are divided up and down by the intermediate partition 30. That is, the freezing chamber 11 for storing the frozen food is provided on the upper side of the middle partition 30, and the refrigerating chamber 12 for storing a large amount of the refrigerated food is provided on the lower side.

Behind the freezer compartment 11 is a cold air generating chamber having an evaporator 14b connected to a freezing cycle to generate cold air and a blower fan 14c for moving the generated cold air to the freezer compartment 11 or the refrigerating compartment 12. (14) is provided. At this time, the cold air generating chamber 14 is provided to be partitioned from the freezing chamber 11 by the evaporator cover 14a installed to cover the front of the evaporator 14b, and the cold air is stored in the freezing chamber 11 in the evaporator cover 14a. A freezer compartment cooling air discharge hole 14d is formed to be discharged to the air.

The cold air duct 15 is provided at the rear of the refrigerating chamber 12 to supply cold air to the refrigerating chamber 12. The cold air duct 15 is configured to receive the cool air from the cold air producing chamber 14 through the through hole 31 provided in the intermediate partition 30 and discharge the cold air into the refrigerating chamber 12 at the front side thereof. The rear cold air discharge hole (15a) is provided. In the inside of the cold air duct 15, the temperature of the refrigerating compartment 12 is sufficiently low that a damper 15b that closes the internal flow path to prevent cold air from entering the freezing compartment 11 side into the refrigerating compartment 12 when cold air supply is unnecessary is required. ) Is installed.

On the other hand, a side cold air discharge hole 12a is provided on the front side of the side wall of the refrigerating chamber 12 so as to supply cold air to the front side space of the refrigerating chamber 12. In this embodiment, the side cold air discharge hole 12a is the refrigerating chamber 12. A total of four pieces are provided, one at each of the upper and lower sides of the side wall.

The side cold air discharge hole 12a is configured to discharge cold air from the cold air duct 15 and discharge the cold air duct 15 to guide the cold air to the side cold air discharge hole 12a in the cabinet 10. ) And a cold air flow guide passage 40 connecting the side cold air discharge holes 12a. The cold air guide passage 40 includes a first cold air guide passage 41 formed in the intermediate partition 30 and a second cold air guide passage 42 formed on both sidewalls of the refrigerating chamber 12.

The first cold air guide passage 41 extends symmetrically from the center side to the left and right directions of the intermediate partition 30 to guide the cold air to the left and right sides of the first guide part 41a and the first guide part 41a, respectively. The second guide part 41b extends from the end to the front side of the intermediate partition 30 to guide the cold air to the front side. Therefore, the cold air is guided to the left and right sides of the intermediate partition wall 30 by the first guide part 41a and then to the front side by the second guide part 41b. At this time, the cold air inlet 32 is provided at the rear side of the lower surface of the intermediate partition 30 so that cold air may flow from the cold air duct 15 into the first cold air guide passage 41.

The second cold air guide passage 42 is formed to extend in the vertical direction, the upper end of which is connected to the end of the first cold air guide passage 41 and the lower end thereof is connected to the two side cold air discharge holes 12a, respectively. The cold air delivered from the cold air guide passage 41 is discharged to the side cold air discharge hole 12a.

Therefore, a part of the cold air generated in the cold air generating chamber 14 passes through the cold air duct 15, the first cold air guide passage 41, and the second cold air guide passage 42 by the blowing force of the blower fan 14c. It is discharged through the side cold air discharge hole 12a provided in the front side wall to cool the space in the front side of the refrigerating chamber 12.

As shown in FIG. 4, the cold air guide passage 40 is provided with a backflow preventing member 50 to prevent the refrigeration chamber 12 side air from flowing back to the freezing compartment 11 side. In general, warm air moves upward and cold air moves downward by convection. Since the air temperature of the refrigerating chamber 12 is relatively higher than that of the freezing chamber 11, the air in the refrigerating chamber 12 is cold. There is a possibility to flow back through the guide passage (40). Therefore, the backflow prevention member 50 is provided in the cold air flow guide passage 40 to prevent the air inside the relatively warm refrigerating chamber 12 from flowing back to the freezing chamber 11.

In the present embodiment, the non-return member 50 is formed in a plate shape and the center portion thereof is hinged on the first cold air guide passage 41 to rotate the first cold air guide passage 41 while rotating. The end is bent so as to be in surface contact with the inner surface of the first cold air guide passage 41 to form the support part 51.

On the other hand, the side cold air discharge hole (12a), as shown in Figure 5, the discharge amount adjusting device 60 is provided to adjust the amount of cold air discharged through the side cold air discharge hole (12a).

Discharge amount adjusting device 60 is installed to cover the side cold air discharge hole (12a), the discharge ball stopper 61 is provided with a discharge hole 62 is provided in the circumferential direction extending a predetermined length in the circumferential direction, and the discharge ball plug 61 And a discharge structure cutting cover 63 which rotates and is installed rotatably to open and close part or all of the discharge ports 62 provided in the discharge hole stopper 61. Therefore, by controlling the width of the discharge port 62 by rotating the discharge structure cutting cover 63, it is possible to control the amount of cold air discharged through the side cold air discharge hole (12a).

In addition, the discharge amount control device 60 includes a color change material that changes color depending on the temperature, so that the temperature of the refrigerating chamber 12 can be visually confirmed.

In the present embodiment, the cold air guide passage 40 guides the cold air to both sides of the first cold air guide passage 41 provided in the intermediate partition 30 to the second cold air guide passage 42 provided on the side wall of the refrigerating chamber 12. It is guided downward by the side to be discharged to the side cold air discharge hole (12a), but as shown in Figure 6, the first cold air guide flow path 41 'guides the cold air to both sides, the second cold air guide flow path The configuration such that the 42 'guides the cool air to the lower portion on the front side is also possible.

In addition, although the backflow preventing member 50 is installed in the first cold air guide passage 41 in the present embodiment, a configuration such as installing in the second cold air guide passage 42 is also possible.

Next will be described in detail with reference to the operation and operation of the refrigerator according to the present invention configured as described above.

When power is applied to the refrigerator, cold air is generated in the evaporator 14b, and the generated cold air is moved by the blower fan 14c. A part of the cold air flows into the freezing chamber 11 through the freezing chamber cold air discharge hole 14d to cool the inside of the freezing chamber 11, and the rest moves to the cold air duct 15 provided on the rear wall of the refrigerating chamber 12.

Some of the cold air delivered to the cold air duct 15 is discharged to the rear cold air discharge hole 15a provided on the front side of the cold air duct 15, and the remaining cold air is provided in the cold air inlet 32 provided in the intermediate partition 30. After being introduced into the first cold air guide passage 41 through the first cold air guide passage 41 and the second cold air guide passage 42 is discharged to the side cold air discharge hole (12a). Therefore, since the cold air is supplied not only from the rear side of the refrigerating chamber 12 but also from both sides, the internal space of the refrigerating chamber 12 has a uniform temperature distribution.

At this time, since the side cooling air discharge hole 12a is equipped with a discharge hole stopper 61 provided with a discharge port 62 and a discharge structure cutting cover 63 for opening and closing at least a part of the discharge port 62, the discharge structure cutting cover 63 The amount of cold air discharged into the refrigerating chamber 12 can be adjusted by adjusting the width of the discharge port 62 by rotating.

In addition, the discharge amount control device 60 includes a color change material that changes depending on temperature, so that the color of the discharge amount control device 60 changes according to the temperature, so that a user of the refrigerator can visually check the temperature of the refrigerator compartment.

As described above in detail, the refrigerator according to the present invention is provided with a rear cold air discharge hole in the rear side of the refrigerating chamber, and side cold air discharge holes are provided in both sides of the side wall of the refrigerating chamber, so the cold air is discharged from the rear side and both sides, so that the internal space of the refrigerator compartment is uniformly cooled. There is a working effect that can be.

1 is a cross-sectional view of a conventional refrigerator.

2 is a cross-sectional view of the refrigerator according to the present invention.

3 is a perspective view illustrating a middle partition wall and a cold air flow guide of the refrigerator according to the present invention.

4 is a cross-sectional view showing a non-return device of the refrigerator according to the present invention.

5 is a perspective view illustrating a discharge amount control apparatus of a refrigerator according to the present invention.

6 is a cross-sectional view of a refrigerator according to another embodiment of the present invention.

* Explanation of symbols for main parts of the drawings

10: cabinet 11: freezer

12: refrigerating chamber 12a: side cold air discharge

13: Machine Room 14: Cold Generation Room

15: Cold air duct 15a: Rear cold air discharge

20: door 30: intermediate bulkhead

41: The first cold air guide passage 42: The second cold air guide passage

50: backflow prevention member 60: discharge amount control device

Claims (9)

A cabinet having a freezing compartment and a refrigerating compartment provided therein, an intermediate partition partitioning the cabinet inner space to form the freezing compartment and the refrigerating compartment, and a rear side of at least one of the freezing compartment and the refrigerating compartment and configured of a refrigeration cycle. A refrigerator having a cold air production chamber in which an element evaporator is installed and a cold air duct provided at a rear side of the refrigerating chamber and receiving cold air from the cold air generating chamber and supplying cold air to the refrigerating chamber through a rear cold air discharge hole provided at the front side. To Side cold air discharge holes are provided on the side walls of the refrigerating chamber to supply cold air to the internal spaces of the refrigerating chamber, and the intermediate partition walls receive cold air from the cold air ducts to supply cold air to the side cold air discharge holes and guide the cold air to the sides of the refrigerating chamber. A first cold air guide passage is provided, and a side surface of the refrigerating chamber is provided with a second cold air guide passage connecting the first cold air guide passage and the side cold air discharge hole, and the cold air duct opens and closes the middle of the cold air duct. And a damper is provided to control the inflow of cold air from the cold air producing chamber by the damper. The method of claim 1, The first cold air guide flow passage is formed to extend to the front side to guide the cold air to the front side, The second cold air guide flow path is formed long in the vertical direction and can guide the cold air downward. The method of claim 1, And the second cold air guide passage is formed to be inclined downward in the front side to guide the cold air to the lower side of the front side. The method according to claim 1 or 2, The second cold air guide flow path is installed on both sides of the main body, characterized in that the refrigerator receives the cold air from the first cold air guide flow path to the discharge hole. delete The method of claim 1, A backflow prevention member is rotatably installed inside one of the first cold air guide passage and the second cold air guide passage and closes the installed cold air guide passage to prevent the air inside the refrigerating compartment from flowing back to the freezing compartment. Refrigerator, characterized in that provided. The method of claim 1, The side cool air discharge hole is provided with a discharge amount adjusting device for adjusting the amount of cold air discharged. The method of claim 7, wherein The discharge amount control device is installed to cover the discharge hole, the discharge ball stopper is formed with a discharge hole formed to extend a predetermined length in the circumferential direction, the discharge hole is rotatably installed and rotated to the discharge hole stopper to open and close at least a part of the discharge hole Refrigerator, characterized in that the control cover is provided. The method of claim 7, wherein The discharge amount control device, characterized in that the refrigerator comprises a color change material that changes color depending on the temperature.