KR0114910Y1 - Cold air circulation system of the refrigerator - Google Patents

Abstract

In the refrigerator according to the present invention, a cold air circulation device of the refrigerator having the freezing compartment 20 and the refrigerating compartment 30 separated from each other is provided with a plurality of cold air suction means mounted at regular intervals on both side wall members 200 in the refrigerating compartment 30 ( 210 and the cool air circulation passage 200 formed in the inner wall of the refrigerating chamber 30 and the refrigerant pipe 232 to which the fin member 231 is fixed to communicate with the plurality of cold air suction means 210 are arranged in a staggered manner. The evaporator 230 is supported by the bracket 231 so that the cold air gathered in one place through the evaporator 230 and the cold air circulation passage 220 installed inside the cold air circulation passage 200 is circulated from both sides to the center. Since the fan motor 81 is installed in the middle part of the structure, the cold air sucked through both side wall members 200 of the refrigerating chamber 30 when the fan motor 81 is operated is immediately cooled air circulation passage ( Along both sides of evaporator 230 The cold air circulation cycle that is collected in the refrigerating chamber 30 can be formed to reduce the installation area and to improve the cooling efficiency by the short cold air path, and to evenly store the food in three dimensions. The freshness of the stored food can be further improved, and the condensed water generated on the surface of the bracket 231 and the fin member 233 by the temperature difference between the air (for example, cold air) and the refrigerant pipe 232 can be dropped early. As it is possible to further improve the heat exchange capacity.

Description

Cold air circulation system of the refrigerator

1 is a longitudinal cross-sectional view showing a refrigerator to which a conventional cold air circulation system is applied.

2 is a cross-sectional view taken along the line A-A of FIG.

Figure 3 is a whole longitudinal cross-sectional view showing a refrigerator to which the cold air circulation system of the present invention is applied.

4 is a cross-sectional view taken along the line B-B in FIG.

5 is a cross-sectional view taken along the line C-C of FIG.

6 is a cross-sectional view taken along the line D-D of FIG.

* Explanation of symbols for main parts of the drawings

30: refrigerating chamber 50: rear wall member

81: second fan motor 200: both side wall member

210: cold air suction means 220: cold air circulation flow path

230: second evaporator 231: bracket

232: refrigerant pipe 233: fin member

The present invention relates to a cold air circulation system of a refrigerator. In particular, a fan motor is mounted at the center of an evaporator installed in a refrigerating chamber to reduce an installation area, and to shorten the cold air environment path to increase the cold air efficiency of the refrigerator. It is about.

In the conventional cold air circulation device of the refrigerator, as shown in FIG. 1, the refrigerator compartment 20 and 30 are formed at the upper and lower sides of the refrigerator body 10, and the refrigerator compartment and the refrigerator compartment 20 ( An intermediate wall member 40 having first and second cold air suction openings 41 and 42 formed therein so that the cold air circulated at 30 is sucked to the rear side of the refrigerator body 10, and the first wall of the intermediate wall member 40. And a constant distance from the rear wall 50 of the freezing and refrigerating chambers 20 and 30 so as to receive the cool air sucked through the second cold air suction ports 41 and 42 and circulate back to the freezing and refrigerating chambers 20 and 30. First and second damper members 60 and 61 which are mounted to form the first and second cold air circulation passages 51 and 52, and the first and second cold air circulation passages 51 and 52; First and second evaporators 70 and 71 which are respectively mounted on the first and second evaporators 70 and 71 to heat exchange the circulating cold air in the freezing and refrigerating chambers 20 and 30 to the cold cold again and again. Mounted on top of each Kankan divides and stores the space between the first and second fan motors 80 and 81 and the freezing and refrigerating chambers 20 and 30 to blow heat exchanged cold cold air into the freezing and refrigerating chambers 20 and 30. It consists of a plurality of shelf members 90 for supporting food and the first and second doors 100 and 101 hinged to open and close to cover the front openings of the freezer and refrigerator compartments 20 and 30.

In this case, cold air is ejected from the first and second cold air circulation passages 51 and 52 into the freezing and refrigerating chambers 20 and 30 in the first and second damper members 60 and 61, respectively, so that the shelf member First and second cold air ejection openings 60a and 61a are formed so as to distribute the kankans evenly toward the space partitioned by 90.

On the other hand, the second evaporator 71 mounted in the refrigerating chamber 30 is provided on the lower side of the second fan motor 81 mounted in the second cold air circulation passage 52 as shown in FIG. Refrigerant tube 73 which is continuously arranged by a predetermined width in a zigzag manner in the transverse direction via the bracket 72 to induce the flow of the refrigerant, and the outer side at a predetermined interval along the longitudinal direction of the refrigerant tube 73 It is fixed to the vertical and consists of a plurality of fin members 74 to increase the heat transfer area to heat exchange the air passing through the refrigerant pipe (73).

In the conventional cold air circulation device configured as described above, when the second fan motor 81 is driven by the operation of the refrigerator, the cold air in the refrigerating chamber 30 is formed in the center of the middle wall member 40. At the same time as the suction through the second cold air circulation passage 52 is introduced into the lower side passing through the second evaporator 71 and heat exchanged again with cold cold, the second by the driving force of the second fan motor 81 is continued Through the second cold air ejection opening 61a of the damper member 61 is ejected to the center of the inside of the refrigerating chamber 30 to have a cold air circulation cycle capable of refrigerating the stored foods.

However, the conventional second evaporator 71 configured as described above is mounted on the lower part of the second fan motor 81 so that the cold air is circulated from the lower part to the upper part by the operation of the second fan motor 81 and at the same time, heat exchange is performed again. Since it has a structure that can be made, the installation area according to the installation of the second evaporator 71 and the second fan motor 81 enters a lot, and there is a problem that the cold air efficiency is lowered due to the length of the cold air path.

Therefore, the present invention was made to solve the above problems, and an object of the present invention is to allow the second fan motor to be positioned at the center of the second evaporator so that the installation area is small and at the same time, the cold air sucked through both side walls of the refrigerating chamber is removed. It is to provide a cold air circulation device of the refrigerator having a three-dimensional cold air circulation cycle as well as to improve the cold air efficiency by forming a short cold air environment path that is ejected to the center through both sides of the evaporator.

In order to achieve the above object, the refrigerator's cold air circulation system according to the present invention is a refrigerator in which a freezing compartment and a refrigerating compartment are separately formed, and a plurality of cold air suction means mounted to both side wall members in the refrigerating compartment at a predetermined interval, and the plurality of The cold air circulation passage formed in the inner wall of the refrigerating compartment in communication with the cold air suction means and the refrigerant pipe in which the pin member is fixed are supported by the bracket so that the curbstone arrangement is arranged in a zigzag manner, the evaporator installed inside the cold circulation passage, and the cold air circulation passage. It characterized in that it comprises a fan motor installed in the middle of the evaporator so that the cold air gathered in one place through the center from both sides.

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

As shown in FIG. 3, in the refrigerating chamber 30, the cold air circulation device is mounted at a predetermined interval in the longitudinal direction of both side wall members 200 so that the cool air in the refrigerating chamber 30 is sucked through the both side wall members 200. A plurality of cold air suction means 210 and connected to the plurality of cold air suction means 210 are connected to the lower side from both sides of the rear wall member 50 to collect cold air sucked into one place The second fan motor 81 is mounted in the center of the cold air circulation path 220 so that the cold air collected in one place through the 220 and the cold air circulation path 220 is circulated from both sides to the center. The second damper member 61 mounted in the center of the rear wall member 50 to receive the heat exchanged cold air while passing through the two evaporator 230 and the cold air circulation passage 22 to be distributed to the center of the refrigerating chamber 30. Consists of

At this time, the plurality of cold air suction means 210 is mounted in the openings of the cold air suction passage 211 and the cold air suction passage 211 formed in the transverse direction on both side wall member 200 so as to communicate with the cold air circulation passage (220). In order to suck the cold air in the refrigerating chamber 30, a plurality of cold air suction ports 212 are formed at a predetermined interval.

Meanwhile, as shown in FIG. 4, the second evaporator 230 is continuously arranged in the cold air circulation passage 220 by a zigzag in the vertical direction by a predetermined width to induce the flow of the refrigerant and at the same time, the second fan motor. Refrigerant pipe 232 is fixed to the medium via the two brackets 231 installed in the horizontal direction, so that the 81 is positioned in the center and the predetermined interval along the longitudinal direction of the refrigerant pipe 232 It is fixed to the outside horizontally consists of a plurality of fin members 233 to increase the heat transfer area to heat exchange the air passing through the refrigerant pipe 232.

In this case, the bracket 231 and the fin member 233 are fixed to the outside of the refrigerant pipe 232 at an angle so as to easily drain the condensate formed on the surface.

Meanwhile, by applying the same configuration in which the second fan motor 81 is installed at the center of the second evaporator 230 in the refrigerating compartment 30 in the freezer compartment 20, the installation area is reduced and the cold air environment path is shortly formed. Of course, the cold air efficiency can be increased.

In the drawings, reference numeral 140 denotes a main condenser, 141 an auxiliary condenser, 142 a compressor, 143 a condensation plate, 144 a drain hose, and 145 a condensate receiver.

Next, the operation and effects of the present invention constructed as described will be described.

When the refrigerator is turned on, power is applied to drive the first and second fan motors 80 and 81 to circulate cold air in the freezing and refrigerating chambers 20 and 30. That is, when the first fan motor 80 is driven, the cold air circulation of the freezing compartment 20 is driven by the driving force to the front end of the intermediate wall member 40 as shown in the arrow direction shown in FIG. 3 by the driving force. The first cold air suction port 41 and the cold air suction port (not shown) formed at the rear end are sucked into the first cold air circulation passage 51 formed in the rear wall member 50, and the cold air gathered in one place is the first cold air. Heat exchanged with cold cold while passing through the first evaporator 70 mounted on the circulation passage 51, and the cold cold heat exchanged by the first damper member 60 by the continuous driving of the first fan motor 80. By repeating the cycle supplied to the inside of the freezer compartment 20 again through the first cold air outlet (60a) formed in the freezer stored in the freezer compartment 20 will be frozen to a predetermined temperature.

Meanwhile, when the second fan motor 81 is driven, the cold air circulation of the refrigerating compartment 30 is driven by the driving force, so that the cold air in the refrigerating compartment 30 is the same as the arrow directions shown in FIGS. 3 and 4 in the refrigerating compartment 30. While being sucked through a plurality of cold air suction ports 212 installed in each of the two at the same time flows along the cold air suction passage 211 formed in the side wall member 200, one place by the cold air circulation passage 220 formed in the rear wall member (50) The cold air gathered in one place and moved to the center from both sides of the second evaporator 230 is contacted with the second evaporator 230, the heat exchanged to the cold cold, and the heat exchanged cold cold is the second fan motor 81 The stored foods stored in the refrigerating compartment 30 are three-dimensional by repeating a cycle of supplying the inside of the refrigerating compartment 30 again through the plurality of second cold air ejection openings 61a formed in the second damper member 61 by the continuous driving. Evenly schedule It will be dropped by the road refrigeration.

At this time, the two brackets 231 supporting the refrigerant pipe 232 of the second evaporator 230 and a plurality of fin members 233 fixed to the outside of the refrigerant pipe 232 to increase the heat transfer area at a predetermined angle. Due to the inclined structure, condensate generated on the surface of the bracket 231 and the fin member 233 due to the temperature difference between the air (for example, cold air) and the refrigerant pipe 232 is easily drained, and of course the early Falling water will be able to further improve the heat exchange capacity.

As described above, the cold air circulation system of the refrigerator according to the present invention has a structure in which the fan motor is positioned at the center of the evaporator and the brackets and the pin members fixed to the refrigerant pipe of the evaporator are inclined at a predetermined angle. As the fan motor is operated, the cold air sucked in through both side walls of the refrigerating chamber can be collected from both sides of the evaporator along the cold air circulation path to the center of the evaporator to form a cold air cycle, which is ejected into the refrigerating chamber. At the same time, it is possible to improve the efficiency of cold air by the short cold air path, and to evenly store the stored foods in three dimensions evenly, further improving the freshness of the magnetic foods, and also to the air (for example, cold air) and refrigerant pipes. It is possible to prematurely drain the condensate generated on the surface of the bracket and the pin member due to the temperature difference of There is an effect that can further improve the exchange capacity.

Claims (2)

In the refrigerator in which the freezing compartment (20) and the refrigerating compartment (30) are separately formed, a plurality of cold air suction means (210) mounted on both side wall members (200) in the refrigerating compartment (30) at a predetermined interval, and the plurality of cold air suctions The cold air circulation passage 200 formed in the inner wall of the refrigerating chamber 30 in communication with the means 210 and the refrigerant pipe 232 to which the fin member 231 is fixed are arranged by the bracket 231 in a zigzag continuous manner. The fan motor is supported and installed in the middle of the evaporator 230 so that the cold air gathered in one place through the evaporator 230 and the cold air circulation passage 220 circulated from both sides to the center through the cold air circulation passage 200. A cold air circulation system of a refrigerator, characterized in that it comprises (81). The cold air circulation of the refrigerator of claim 1, wherein the bracket 231 and the fin member 233 are fixed to the outside of the refrigerant pipe 232 at an angle so that the condensate formed on the surface thereof may easily fall. Device.