KR101320806B1 - A supply structure of cold-air for refrigerator - Google Patents

Abstract

The present invention relates to a cold air discharge structure of a refrigerator, and to a cold air discharge structure of a refrigerator provided at an upper side of a refrigerator compartment and having a discharge control device for selectively discharging cold air into the refrigerator compartment.

The cold air discharging structure of the refrigerator according to the present invention includes a main body 100 having a refrigerating chamber 300 and a freezing chamber 200, an evaporator 700 provided at one side of the main body 100, and the evaporator 700. And a discharge control device 800 provided in front of the upper surface of the refrigerating chamber 300 and the upper surface of the refrigerating chamber 300 to connect the space and the refrigerating chamber 300 and the freezing chamber 200. do.

According to the present invention as described above, there is an advantage that can adjust the temperature of the refrigerating chamber according to the user's will.

Refrigerator, cold air, evaporator, door, inner case

Description

A supply structure of cold-air for refrigerator

1 is a side cross-sectional view of a refrigerator showing a cold air flow path according to the prior art.

Figure 2 is a side cross-sectional view of a refrigerator showing a cold air discharge structure of the refrigerator according to the present invention.

3 is a perspective view showing a state in which a discharge control device, which is a main component of the cold air discharge structure of the refrigerator according to the present invention, is inserted into a refrigerating chamber upper surface;

Figure 4 is a perspective view showing the configuration of the discharge control device of the main configuration of the cold air discharge structure of the refrigerator according to the present invention.

5 is a perspective view showing a state in which the discharge control device, which is a main component of the cold air discharge structure of the refrigerator according to the present invention, protrudes into the refrigerating chamber.

Explanation of symbols on the main parts of the drawings

100 ..... Main body 120 ..... Freezer door

140 ..... Refrigerator door 160 ..... Barrier

180 ..... inner case 200 ..... freezer

220 ..... cold air inlet 240 ..... cold air inlet

300 ..... Refrigerator 320 ..... Damper

400 ..... Main cold duct 420 ..... Main discharge

500 ..... Cold air duct 600 ..... Cold air return duct

700 ..... evaporator 720 ..... defrost heater

740 ..... cooling fan 760 ..... fan motor

800 ..... Discharge control device 820 ..... Discharge port

840 ..... Fasteners 860 ..... Protrusions

880 ..... vent

The present invention relates to a cold air discharge structure of a refrigerator, and more particularly, to a cold air discharge structure of a refrigerator having a discharge control device for protruding into the refrigerating compartment selectively to discharge cold air into the refrigerating compartment according to a user's operation.

In general, a refrigerator is a kitchen device that freezes or refrigerates a storage space formed therein through a heat exchange action due to a circulation of a refrigerant, and thus the refrigerant is circulated along a refrigeration cycle.

In the refrigeration cycle, the refrigerant compressed by the compressor and gasified at high temperature and high pressure is liquefied by releasing heat by heat exchange with external air while passing through the condenser, and the refrigerant liquefied from the condenser is drier and capillary. While passing through the tube, impurities and water are removed to form a cold liquid refrigerant at a low temperature and low pressure to be guided to an evaporator provided at the rear side of the freezing chamber.

In addition, the low-temperature low-pressure liquid refrigerant passing through the evaporator is the temperature rise in the freezer compartment and the refrigerating compartment, the heat exchanged with the cold returned through the cold return duct, the refrigerant vaporized while the heat exchanged with the feedback cooler through the accumulator liquid refrigerant is Light vapor refrigerant, which remains on the bottom of the accumulator, is sent to the compressor to form a refrigeration cycle in which the refrigerant is repeatedly circulated at high temperature and high pressure by the compressor.

Hereinafter, the circulation path of the cold air formed by the refrigerating cycle as described above will be described with reference to the drawings of the refrigerator according to the prior art.

1 is a side cross-sectional view of a refrigerator showing a cold air flow path according to the prior art.

As shown in the figure, the cold cold heat exchanged by the evaporator 12 is supplied into the freezer compartment 20 through the blower fan 14, and at the same time, some cold cold air is formed in the refrigerator compartment cold air separately formed at the rear side of the evaporator chamber 10. It is supplied into the refrigerating chamber 40 via the supply duct 42.

As described above, the cold air supplied into the freezing compartment 20 and the refrigerating compartment 40 is circulated for a predetermined period of time, and the temperature is increased. The cold air having the elevated temperature is formed at the lower side of the freezing compartment 20. The cold air return passage 32 and the cold air passage 34 formed above the refrigerating chamber 40 are returned to the evaporator chamber 10.

In addition, the cold air having the elevated temperature introduced into the evaporator chamber 10 is converted into cold cold by heat exchange of the evaporator 12, and the converted cold air is converted into the cold chamber 20 by the blower fan 14. ) And the cold air circulation is re-supplied to the refrigerating chamber (40).

However, the prior art having the cold air circulation path as described above has the following problems.

The circulation path of cold air according to the prior art is supplied with cold air from the rear side and returned to the front.

Therefore, there is a problem in that the cold air having a relatively elevated temperature flows in the storage space formed at the upper front side of the refrigerating chamber 40, and the storage temperature is increased in comparison with the storage space at another position.

In addition, since the upper front side of the refrigerating compartment storage space is a part which is first contacted with the outside air when the door is opened, there is a problem that the storage temperature rises faster than the storage space at other positions.

In addition, when the temperature of the storage space is increased as described above, there is a problem that the deterioration of the storage stored therein.

In addition, the deterioration of the storage due to the temperature rise of the storage space as described above increases the consumer's dissatisfaction with the product, thereby lowering the consumer's reliability and product satisfaction with the product.

An object of the present invention, which was devised to solve the problems of the prior art as described above, is to provide a cold air discharge structure of a refrigerator in which a separate auxiliary cold air flow path is formed so that cold air supplied to the refrigerating chamber is discharged to the upper front side of the refrigerating chamber. .

Another object of the present invention is to provide a cold air discharge structure of a refrigerator provided with a discharge control device for selectively discharging cold air by a user's operation on the discharge side of the auxiliary cold air flow path as described above.

Still another object of the present invention is to provide a cold air discharging structure of a refrigerator in which the discharge control device is formed to have a structure in which the discharge control device is pulled out / inwards into the upper surface of the refrigerating chamber by a user's pressing operation.

The present invention for achieving the above object is a freezer compartment and the refrigerating chamber is formed; An evaporator provided on one side of the body; A cold air duct for supplying cold air by connecting the space where the evaporator is accommodated to the freezer compartment and the refrigerating compartment; And a discharge control device mounted on the upper wall surface of the refrigerating chamber so as to be rotatable by a user's operation, communicating with the cold air duct, and including a discharge port for selectively exposing the front of the refrigerating chamber to discharge cold air. The discharge control device is rotated so that the discharge control device protrudes from the wall surface of the internal space when the cold air is supplied into the refrigerating chamber, and the discharge port is exposed. When the cold air is not supplied into the cold compartment, the discharge control is performed. It is characterized in that the discharge port is not exposed by rotating the device to be drawn into the inside of the refrigerating chamber wall.
The freezing compartment and the refrigerating compartment are partitioned by a barrier and disposed up and down, and the discharge control device is provided in the barrier.
The discharge control device may protrude or retract from the inner wall surface of the refrigerating chamber by a rotation to selectively expose the discharge port.
The discharge control device is located in the first half of the upper surface inside the refrigerating chamber.
When the discharge control device is retracted, the outer surface of the discharge control device is located on the same plane as the wall surface inside the refrigerating chamber.
The discharge control device is characterized in that it is provided with a fastening portion for selectively restraining the discharge control device by a pressing operation to control the selective protrusion of the discharge control device.
At the end of the discharge control device is formed a projection that is a rotation center of the discharge control device, the discharge port is characterized in that formed in a position facing the formation position of the projection.

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According to the present invention having such a configuration there is an advantage that the refrigerating compartment is evenly cooled by the cold air supplied to the refrigerating chamber upper front.

Hereinafter, with reference to the drawings will be described in detail the cold air discharge structure of the refrigerator according to the present invention.

Figure 2 is a side cross-sectional view of a refrigerator showing a cold air discharge structure of the refrigerator according to the present invention.

As shown in the drawings, a refrigerator having a cold air discharging structure according to the present invention has a freezer compartment 200 formed at an upper side thereof and a refrigerator compartment 300 formed at a lower side thereof by a barrier 160 dividing the internal space up and down. The exterior is composed of a 100, a freezing chamber door 120 rotatably mounted in front of the freezing chamber 200, and a refrigerating chamber door 140 rotatably mounted in front of the refrigerating chamber 300.

On the other hand, the main body 100 is formed with an internal space as described above is provided with components such as a compressor, a condenser, an evaporator, an expansion valve for generating cold air by the refrigeration cycle, these components are already known technology and will be described in detail. Is omitted.

The evaporator 700 is provided at the rear side of the freezing chamber 200 to generate cold air by a heat exchange action between the refrigerant and the introduced air. The evaporator 700 is located at the lower side of the evaporator 700 during the circulation of the cold air. Defrost heater 720 is removed to remove the frost formed on the).

And, the upper side of the evaporator 700 is provided with a cooling fan 740 that is rotated by the fan motor 760, the cooling fan 740 will be described below the cold air generated by the evaporator 700 It serves to force the cold air duct (400,500).

The cold air ducts 400 and 500 are formed in a space between the evaporator 700, the freezing chamber 200, and the refrigerating chamber 300 to form a passage through which cold air flows, and the cold air and the evaporator via the freezing chamber 200. Main cold air duct 400 for guiding the cold air generated in the 700 directly introduced into the refrigerating chamber 300, and branched from the main cold air duct 400 to guide to the discharge control device 800 to be described in detail below Auxiliary cold air duct 500 is divided into.

In addition, a cold air inlet 220 having a plurality of through-holes formed in front of the cooling fan 740 such that the cold air generated in the evaporator 700 is directly introduced through the cooling fan 740 on the rear surface of the freezing chamber 200. ) And a cold air discharge part 240 having a plurality of through-holes formed to discharge the cold air to the main cold air duct 400 from the lower side of the cold air inlet 220, that is, the lower side of the rear side of the freezing chamber 200.

On the other hand, the discharge end of the cold air flowing into the refrigerating chamber 300 from the main cold air duct 400 is further provided with a damper 320 for adjusting the amount of cold air flowing into the refrigerating chamber (300).

Although not shown in the drawing, the damper 320 is connected to a thermo damper, and the thermo damper (not shown) senses the temperature of the refrigerating chamber 300 to automatically open and close the damper 320 according to the detected temperature. To control.

That is, when the temperature of the refrigerating chamber 300 rises, the damper 320 is opened to allow inflow of cold air, and when the temperature of the refrigerating chamber 300 is properly maintained, the damper 320 is kept in a shielded state. .

On the other hand, the cold air introduced into the refrigerating chamber 300 circulates inside the refrigerating chamber 300, and the temperature increases, and the cold air having the elevated temperature is guided to the evaporator 700 through the cold air return duct 600.

Hereinafter, the discharge control device 800 will be described in detail with reference to the accompanying drawings.

Figure 3 is a perspective view showing a state in which the discharge control device is a main portion of the cold air discharge structure of the refrigerator according to the present invention introduced into the upper surface of the refrigerating chamber, Figure 4 is a discharge control of the main portion of the cold air discharge structure of the refrigerator according to the present invention 5 is a perspective view showing the configuration of the apparatus, and FIG. 5 is a perspective view showing a state in which the discharge control device, which is a main component of the cold air discharge structure of the refrigerator according to the present invention, protrudes into the refrigerating chamber.

As shown in these drawings, the inner side of the refrigerating chamber 300 is formed by the inner case 180, the upper surface of the inner case 180 and the aforementioned auxiliary cold air duct (reference numeral 500 in Fig. 2) and The discharge control device 800 is provided.

In addition, a main discharge port 420 directly connected to the main cold air duct 400 is provided at a rear side of the discharge control device 800 to allow cold air to be discharged to the rear side of the refrigerating chamber 300.

The discharge control device 800 is mounted to be inserted into the inner case 180 such that an upper surface of the inner case 180 and a lower surface of the discharge control device 800 form the same plane. An insertion space of the discharge control device 800 is formed on the upper surface of the case 180 in a size corresponding to that of the discharge control device 800.

Looking in more detail with reference to Figure 4 the discharge control device 800 is inserted as described above, although the discharge control device 800 is not shown is inserted into the rotating groove formed inside the inner case 180 to rotate the rotating shaft The protrusion 860 to be formed and the discharge control device 800 that rotates the protrusion 860 axially are inserted into the upper surface of the inner case 180 and are movable by the fastening part 840 to be selectively fixed. To form a structure.

In addition, the fastening part 840 is a tact switch structure that is fastened or released on the upper surface of the inner case 180 by a user's pressing operation. The description will be omitted, and when the fastening structure of the present invention is outlined, the inner case 180 is provided with an accommodating part having an elastic member, and the fastening part 840 is a fastening part which is fastened while pressing the elastic member. 840 is formed.

In addition, the upper surface of the discharge control device 800 is opened so that the cold air supplied from the auxiliary cold air duct 500 communicates to form an air vent 880, the cold air introduced into the air vent 880 to the front surface The discharge port 820 may be selectively discharged into the refrigerating chamber 300.

That is, in the state where the discharge control device 800 is shown in FIG. 3, cold air is not discharged to the refrigerating chamber 300 through the discharge port 820, and the discharge control device 800 is operated by a user's operation. 5 maintains the state as shown in FIG. 5, the cool air is discharged to the refrigerating chamber 300 through the discharge port 820.

Hereinafter, the operation of the present invention having the above structure will be described.

When the user opens the refrigerating chamber door 140 in order to refrigerate and store the storage in the refrigerator to which the present invention is applied, the temperature of the upper front of the refrigerating chamber 300 is stored when the storage is received in the upper front of the refrigerating chamber 300. If it is considered that the temperature is not suitable for storing the water, the user presses the discharge control device 800 provided on the upper surface of the inner case 180.

When the discharge control device 800 is pressed as described above, the discharge control device 800 is rotated around the protrusion 860 to protrude into the refrigerating chamber 300, and the discharge hole 820 formed in front of the discharge control device 800 is rotated. Through the cold air to discharge the cold air to the front lower side of the refrigerating chamber (300).

At this time, since the cold air discharged through the discharge port 820 is discharged to the front lower side of the refrigerating chamber 300, a predetermined portion of the cold air film is formed on the upper front side of the refrigerating chamber 300 to block the cool air from flowing out to the outside. The temperature of the upper front side of the refrigerating chamber 300 is maintained at an appropriate temperature for storing the storage.

On the other hand, when the storage is withdrawn in order to use the storage stored as described above, since the storage is not accommodated in the upper front of the refrigerating chamber 300, the user is discharge control device protruding into the refrigerating chamber 300 ( Press 800 to allow the discharge control device 800 to be received into the inner case 180.

When the discharge control device 800 is accommodated inside the inner case 180 as described above, the discharge port 820 is shielded by the barrier 160 and the cold air introduced through the auxiliary cold air duct 500 is stored in the refrigerating compartment. The discharge to 300 is blocked.

That is, the user selectively rotates the discharge control device 800 by the pressing operation to adjust the cold air discharged to the refrigerating chamber 300.

Such a scope of the present invention is not limited to the above-described embodiments, but many other modifications based on the present invention will be possible to those skilled in the art.

For example, the discharge control device does not open and close the discharge port inside the refrigerating chamber by the rotational operation as described above, but forms a discharge port and an induction plate for guiding the cold air direction of the discharge port on the upper surface of the inner case. By providing a cover that is selectively shielded by the sliding movement in the front it may be possible to open the discharge port according to the user's selection.

The present invention has the advantage that the cold air circulation of the refrigerating compartment is more smoothly and efficiently due to the discharge control device in communication with the auxiliary cold air duct branched from the main cold air duct to discharge the cold air to the front of the refrigerating compartment.

In addition, the discharge control apparatus according to the present invention has an advantage that the user can variably adjust the temperature of the specific part of the refrigerating compartment by being mounted to be selectively exposed to the inside of the refrigerating compartment by the user's operation.

In addition, the cold air discharge direction of the discharge port formed in the discharge control device according to the present invention is positioned to face the front lower side of the refrigerating chamber, thereby forming a cold air film inside the refrigerating chamber, thereby preventing the cold air inside the refrigerating chamber from leaking to the outside. .

Claims (10)

A main body in which a freezing compartment and a refrigerating compartment are formed; An evaporator provided on one side of the body; A cold air duct for supplying cold air by connecting the space where the evaporator is accommodated to the freezer compartment and the refrigerating compartment; And A discharge control device mounted on the upper wall surface of the refrigerating compartment so as to be rotatable by a user's operation, communicating with the cold air duct, and including a discharge port for selectively exposing the front of the refrigerating compartment to discharge cold air; The discharge control device, When supplying the cool air into the refrigerating chamber, the discharge control device is rotated to protrude from the wall surface of the internal space to expose the discharge port, And when the coolant is not supplied to the inside of the refrigerating compartment, the discharge control device rotates to be drawn into the inside of the refrigerating compartment wall surface so that the outlet is not exposed. The method of claim 1, The freezer compartment and the refrigerating compartment are partitioned by a barrier and arranged up and down, The discharge control device is a cold air discharge structure of the refrigerator, characterized in that provided in the barrier. The method of claim 1, And the discharge control device protrudes or retracts from the inner wall surface of the refrigerating chamber by rotation to selectively expose the discharge port. delete The method of claim 1, The discharge control device is a cold air discharge structure of the refrigerator, characterized in that located in the first half of the upper surface inside the refrigerating chamber. delete delete The method of claim 1, And the outer surface of the discharge control device is located on the same plane as the wall surface inside the refrigerating chamber when the discharge control device is retracted. The method of claim 1, And a fastening portion for selectively restraining the discharge control device by a pressing operation to control the selective protrusion of the discharge control device. The method of claim 1, And a discharge portion formed at an end of the discharge control device, the protrusion being a rotation center of the discharge control device, and the discharge port formed at a position facing the formation position of the protrusion.

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