KR19990031096U - Suction structure of parallel refrigerator - Google Patents

Abstract

The present invention relates to a suction structure of a parallel refrigerator. Conventionally, since the heat exchanged cold air is not circulated to the lower vessel installed at the lower end of the freezing chamber, not only the refrigeration efficiency of the lower vessel is lowered, but also the frozen food inside the lower vessel is not always stored at an appropriate low temperature. And there was a problem that causes a decrease in reliability. Therefore, the present invention introduces circulating air into the cold air circulation path at the rear side of the shroud where the evaporator is installed through the freezer upper inlet through the grill pan and the shroud and the refrigerating chamber inlet through the central insulation wall. In the parallel refrigerator having the upper and lower containers to the heat exchanged cold air flows into the shroud front side cold air circulation path to discharge through the discharge port formed in the grill pan of the refrigerating chamber and the freezer compartment, the suction area of the freezer compartment suction port In order to reduce, the suction cool air cut-off surface extending to the bottom of the upper side of the upper container is integrally formed on both sides of the upper rear side of the lower container, and the freezer compartment air can be sucked into the cold air circulation path at the rear side of the shroud at the lower end of the grill pan. The cold exchanged heat by the evaporator Reaches the bottom container installed at the bottom of the freezing chamber, and thus, the freezing efficiency of the bottom container is increased, so that the frozen food inside the bottom container can be stored at a low temperature at all times, thereby increasing the performance and reliability of the device. Will have the effect.

Description

Suction structure of parallel refrigerator

The present invention relates to a parallel refrigerator having a freezer compartment and a refrigerating compartment configured side by side, and more particularly, to a suction structure of a parallel refrigerator forming a cold air circulation path to a lower vessel provided at the lowermost end of the freezer compartment.

In general, the parallel refrigerator comprises a freezer compartment (2) and the refrigerating compartment (3) arranged side by side with respect to the central insulating wall (4) as shown in Figure 1a and 2a constitute a body (1) The front doors of the freezing compartment 2 and the refrigerating compartment 3 are provided with a door 5. The freezing chamber (2) and the refrigerating chamber (3) is to create a cold air in the premises by the operation of the refrigeration cycle to circulate it to freeze and refrigerated food, the refrigeration cycle is a refrigerant gas is maintained at a high pressure state It consists of a high pressure part which circulates, and a low pressure part which keeps and circulates a refrigerant gas in a low pressure state. The high pressure unit includes a compressor for converting low-temperature low-pressure gas refrigerant into a high-temperature high-pressure gas refrigerant, a condenser for converting the high-temperature, high-pressure gas refrigerant changed in the compressor into a liquid refrigerant of room temperature and high pressure, and a liquid refrigerant at room temperature and high pressure through the condenser. It consists of a dryer for dehumidifying. And a capillary tube for converting the liquid refrigerant of room temperature and high pressure dehumidified through the low pressure section into a liquid refrigerant of low temperature and low pressure, an evaporator for absorbing external heat while changing the liquid refrigerant of low temperature and low pressure changed in the capillary into a gas state, and the evaporator It consists of an accumulator that blocks the vaporized liquid refrigerant from entering the compressor. In this refrigeration cycle, the evaporator 8A is a double cold air circulation path 7 and 8 partitioned by the rear shroud 6 at the rear side of the freezing chamber 2 and the cold air circulation path at the rear side of the shroud 6. 8) installed vertically to exchange heat in the circulating air into the cold, and the cold air is forced to circulate inside the air by driving the blower fan 8B installed on the upper side of the evaporator 8A and the blowing force thereof. have. In addition, the circulated freezer compartment and the refrigerating compartment cold air are sucked to the evaporator 8A side and heat exchanged again, and then discharged into the freezer compartment 2 and the refrigerating compartment 3 by driving the blower fan 8B, and thus the freezer compartment 2 and the refrigerating compartment. (3) To freeze and refrigerate the food inside, for this purpose, the grill pan (9) and the shroud (6) lower side of the freezer compartment (2) and the refrigerating compartment (3) are connected to each other in the freezer compartment upper inlet (2C) Is formed, and the refrigerator compartment suction port 4A is formed in the center heat insulation wall 4 so as to pass through the shroud 6 rear side cold air circulation path 8 side. In addition, several discharge ports 3A and 9A are formed in the refrigerating chamber 3 and the grill pan 9 of the freezing chamber 2 at intervals in the vertical direction of the left and right pairs so that the heat exchanger is exchanged in the evaporator 8A. Air can be discharged to the freezing chamber 2 and the refrigerating chamber 3.

In the parallel refrigerator configured as described above, a blower fan 8B installed at an upper side of the cold air circulation path 8 behind the shroud 6 in the freezer compartment 2 is driven, and driven by the blower fan 8B. Cold air passing through the shroud 6 and passing through the cold air circulation passage 8 at the rear side of the shroud 6 and through the freezing chamber upper suction port 2C, and through the central insulating wall 4, the cold air at the rear side of the shroud 6 The freezer compartment and the refrigerating chamber air are sucked through the refrigerating chamber suction port 4A leading to the circulation path 8 side, and are introduced to the evaporator 8A vertically installed in the cold air circulation path 8. The freezing and refrigerating chamber air introduced in this way is left and right paired to the refrigerating chamber discharge port 3A formed on the upper side of the refrigerating chamber 3 and the grill pan 9 of the freezing chamber 2 after being heat-exchanged by the evaporator 8A. It is to be repeatedly performed in a manner that is discharged to the freezing chamber 2 and the refrigerating chamber 3 through the freezing chamber discharge port 9A provided in the direction. On the other hand, the inside of the freezing chamber (2) is provided with an upper container (2A) located on the upper side and the lower container (2B) located on the upper side of the freezer compartment upper suction port (2C), the upper and lower containers (2A) (2B). The discharge grill 9A is formed in the rear grill fan 9 of the cold air, which is forcedly circulated by the driving of the blower fan 8B installed on the upper side of the evaporator 8A after being heat exchanged in the evaporator 8A. Is introduced into the cold air circulation path 7 on the front side of the shroud 6 so as to discharge cold air into the freezing chamber 2 through a discharge port 9A formed in the grill pan 9. At this time, the heat-exchanged cold air is discharged to the upper vessel 2A and the lower vessel 2B through the discharge port 9A formed in the rear grill pan 9 of the upper vessel 2A and the lower vessel 2B.

However, such a conventional parallel refrigerator has a cold air circulation path on the rear side of the shroud in which the cold air that has been heat-exchanged through the freezer upper suction inlet formed on the upper side of the lower container before the cold air that has been heat-exchanged in the evaporator arrives at the lower end of the lowermost freezer compartment. By inhalation, the lower container does not maintain an appropriate low temperature and the temperature is increased, thereby causing frozen food such as ice cream, which is frozen and stored in the lower container, to deteriorate the performance and reliability of the device. There was this. Therefore, an object of the present invention is to allow the cold air heat exchanged in the evaporator to reach the lower container of the freezer compartment so that the lower container is always maintained at an appropriate low temperature.

Figure 1a, 1b shows an internal structure of a conventional parallel refrigerator,

1A is a front view of the refrigerator body.

1B is a side cross-sectional view taken along the line A-A of FIG. 1A;

Figure 2a, Figure 2b is showing the internal structure of the parallel refrigerator according to the present invention,

2A is a front view of the refrigerator body.

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

Figure 3 is a perspective view showing a suction structure of the present invention.

* Explanation of symbols for main parts of the drawings

10: refrigerator body 20: freezer

21, 22: cold air circulation path 23: evaporator

24: blowing fan 25: shroud

26: grill pan 26A: lower end of the freezer compartment

26B, 32: freezing and refrigerating chamber discharge 27: top container

28: lower container 28A: intake cold air cut-off surface

29: freezer upper suction port 30: refrigerating chamber

41: refrigerator compartment inlet 40: heat insulation wall

In order to achieve the object of the present invention, through the freezer compartment upper suction inlet penetrating the grill pan and the shroud and the refrigerating chamber suction inlet penetrating the central insulating wall by the operation of the blower fan, the cold air in the rear of the shroud is installed. In the freezer compartment having a top and bottom container having an upper and a lower container to be introduced into the circulation path side and the heat exchanged cold air flows into the shroud front side cold air circulation path to discharge through the discharge port formed in the grill pan of the refrigerating compartment and the freezing compartment. To reduce the suction area of the suction port, the suction cool air cutoff surface extending to the bottom of the upper container is formed integrally on both sides of the upper rear surface of the lower container, and the freezer air is provided at the lower end of the grill pan in the rear side of the shroud. Characterized in that the lower part of the freezer compartment suction port to be sucked into the circulation path The suction structure of the parallel refrigerator is provided.

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

Figure 2a, Figure 2b shows the internal structure of the parallel refrigerator according to the present invention, Figure 3 shows the suction structure of the present invention, 10 is the refrigerator body. The refrigerator main body 10 has the freezing compartment 20 and the refrigerating compartment 30 side by side separated by a heat insulating wall 40 in the center as usual, and the shroud 25 is centered on the rear side of the freezing compartment 20. As a dual cold air circulation path (21, 22) to the front and rear side is formed. In addition, an evaporator 23 is installed in a vertical direction in the cold air circulation path 22 at the rear side of the shroud 25, and a blower fan may be forced to circulate the cold air heat-exchanged by the evaporator 23 in the upper part thereof. 24) is installed. In addition, the shroud 25 front side cold air circulation path 21 is to be cut off from the freezing chamber 20 by the grill pan 26, the lower side of the grill pan 26, the freezer compartment air is behind the shroud 25 A freezer compartment upper suction port 29 penetrating the shroud 25 is formed to be sucked into the side cold air circulation path 22. A cold room suction port 31 communicating with the cold air circulation path 22 at the rear side of the shroud 25 is formed at the central heat insulating wall 40. At the same time, the grill pan 26 of the refrigerating compartment 30 and the freezing compartment 20 is sucked into the cold air circulation passage 22 at the rear side of the shroud 25 through the freezer compartment upper suction port 29 and the refrigerating compartment suction port 31. The refrigerator compartment discharge port 32 and the freezer compartment discharge port 26C through which cold air heat-exchanged by 23 is discharged are formed. And the lower side of the freezing chamber 20 is provided with upper and lower containers (27, 28) for storing frozen food such as ice cream inside.

In such a parallel refrigerator, the present invention has a suction cold cutoff surface 28A formed at the upper end side of the rear surface of the lower container 28 as shown in FIG. The suction cold cutoff surface 28A extends from the upper left and right sides of the lower end of the lower container 28 to a predetermined length and area upward, and is formed to be inclined at a predetermined angle toward the rear side. The extension length is formed to reach the bottom surface of the upper vessel 27 provided on the upper side of the lower vessel 28, the upper suction port of the freezer compartment formed on the lower grill pan 26 of the upper vessel 27. Numeral 29 is blocked by the suction cold cutoff surface 28A to reduce the suction area. The lower end of the grill pan 26 has a freezer compartment lower suction port 26A passing through the shroud 25 and communicating with the cold air circulation path 22 at the rear side of the shroud 25. In addition, a discharge port 26C is formed on the middle grill pan 26 of the freezer compartment lower suction port 26A so that cool air introduced into the shroud 25 front side cold air circulation path 21 can be discharged to the lower vessel 28 side. Is formed.

The following describes the cold air circulation process and action of the present invention configured as described above.

First, when the blowing fan 24 installed on the upper side of the evaporator 23 is driven while the operation by the refrigeration cycle is started, the air in the refrigerator is forcedly circulated by the rotation of the blowing fan 24.

Accordingly, the refrigerating chamber suction port 31 passing through the central heat insulating wall 40 and communicating with the cold air circulation path 22 at the rear side of the shroud 25 and the freezer upper suction port 29 at the lower side of the grill pan 26 of the freezing compartment 20. The freezing chamber and the refrigerating chamber air is sucked into the cold air circulation path 22 through the suction chamber, and the freezing compartment upper suction port 29 is a suction cold cutoff surface formed in the lower vessel 28 provided at the lowermost end of the freezing chamber 20. The suction of the freezer compartment air hardly occurs by 28A, and the freezer compartment air flows through the freezer compartment lower suction port 26A formed at the lower end side of the grill pan 26 of the freezer compartment 20 to the rear side of the shroud 25. 22) Suctioned to the side. The freezer compartment and the refrigerating chamber air sucked into the cold air circulation path 22 are exchanged with the heat exchanger by the evaporator 23 installed in the cold air circulation path 22, and the cold air that is thus exchanged again is the upper portion of the evaporator 23. Left and right pairs are vertically spaced from the refrigerating compartment 30 and the grill pan 26 of the freezing compartment 20 through the shroud 25 front side cold air circulation path 21 by driving the side blower fan 24. The cold air heat-exchanged through the discharge port 26C is discharged into the freezing chamber 20 and the freezing chamber 20 through the discharge hole 26C formed at the lower side, and also toward the lower container 28 provided at the lower end of the freezing chamber 20. The discharge is performed continuously and repeatedly. That is, the cold air circulating in the freezer compartment 20 reaches the lower vessel 28 provided at the lowermost end of the freezer compartment 20 and flows into the cold air circulation path 22 in which the evaporator 23 is installed. After the heat exchange by the evaporator 23 installed in the cold air circulation path 22 is converted to cold, it is discharged again to the freezing chamber 20 to form a flow path that is repeatedly circulated to the lower container 28 side.

As such, the present invention not only increases the freezing efficiency of the lower container by forming a cold air flow path through which the cold heat exchanged by the evaporator reaches the lower container installed at the lowermost end of the freezing chamber, and therefore, the lower container is always kept at an appropriate low temperature. Frozen food can be stored frozen to have the effect of further increasing the performance and reliability of the device.

Claims (1)

Through the operation of the blower fan, through the freezer compartment upper inlet through the grill pan and the shroud and the refrigerating chamber inlet through the central insulation wall, the circulating air is introduced into the cold air circulation path on the rear side of the shroud where the evaporator is installed and heat exchanged. In a parallel refrigerator having upper and lower containers for allowing cold air to flow into the front side of the shroud cold air circulation path, the cold air may be discharged through a discharge port formed in the grill pan of the refrigerating compartment and the freezing compartment. The suction area of the freezing compartment suction port may be reduced. An inlet cold cutoff surface extending to the bottom of the upper top container is integrally formed on both sides of the top of the bottom of the lower container, and the lower part of the grill pan allows the freezer compartment air to be sucked into the cold air circulation path at the rear side of the shroud. Suction structure of the parallel refrigerator characterized in that formed.