KR19990015170U - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator having an evaporator and a blower fan which blows cold air from the evaporator into a cooling chamber and is fixed to an evaporator cover, wherein the ice room is partitioned on one side of the cooling chamber to maintain a predetermined low temperature; An ice-chamber blower fan for blowing cold air from the evaporator into the ice-chamber. As a result, the ice-cold fan may be driven as needed to properly lower the temperature of the ice-cold chamber to keep food fresh.

Description

Refrigerator

The present invention relates to a refrigerator, and more particularly, to a refrigerator in which a blowing fan for temperature control of an ice-cold room is further provided in the refrigerating chamber to improve the performance of the ice-cold room.

As shown in FIG. 1, the refrigerator includes a refrigerator compartment 2 and a freezer compartment 3 formed in the main body 1, which are partitioned up and down, and have a refrigerator compartment 2 and a freezer compartment 3 at the front of the main body 1. It has a refrigerator compartment door (4) and a freezer compartment door (5) for opening and closing. In the freezer compartment 3 and the refrigerating compartment 2, a plurality of storage shelves 9 are provided for storing food, and a box-shaped vegetable compartment 12 for storing vegetables or fruits is provided in the lower part of the refrigerator compartment 2. ) Is formed, and an ice-cold room 11 is formed in the upper portion of the refrigerating chamber 2 to immediately store food, such as fish or meat, in a ready-to-cook state so that food can be stored according to an appropriate storage temperature of the food. Can be. Here, the ice-chamber 11 has the tray-shaped accommodating part 13 which accommodates food, and the ice-chamber door 14 which opens and closes the accommodating part 13 in front of the accommodating part 13.

At the rear of the refrigerator compartment 2 and the freezer compartment 3 of the refrigerator, a refrigerator compartment evaporator 7b and a freezer compartment evaporator 7a are provided, respectively, for cooling the ambient air by the evaporating refrigerant. In the front, a refrigerating chamber blowing fan 20b and a freezing chamber blowing fan 20a for discharging the air cooled from each evaporator 7 into the refrigerating chamber 2 and the freezing chamber 3 are provided. Here, the refrigerating chamber blowing fan 20b is installed at the rear of the ice compartment 11 to cool the ice compartment 11 partitioned on the upper part of the refrigerating compartment 2 more than other regions of the refrigerating compartment. The rear wall of the duct 15 is provided with an air flow path for evenly discharging the cold air from the refrigerating chamber blowing fan 20b into the refrigerating chamber 2.

When power is applied to the refrigerator, the compressor is driven to compress the refrigerant at high temperature and high pressure, and the compressed refrigerant is condensed in a condenser (not shown) and introduced into the evaporator. The refrigerant introduced into the evaporator 7 takes the latent heat of evaporation from the ambient air and evaporates to cool the ambient air. The cooled air is discharged into the freezer compartment 3 and the refrigerating compartment 2 by the operation of the refrigerating compartment blowing fan 20b and the freezing compartment blowing fan 20a, and the refrigerating compartment 2 is introduced into the refrigerating compartment 2 by the duct 15. Distribute evenly.

When meat or fish is stored in such a conventional refrigerator, it is stored in the freezer compartment 3 to maintain freshness. However, when meat or fish is stored in the freezer (3) and urgently cooked, the meat or fish should be thawed and used, which takes a long time to thaw and rapidly degrades the food preservation state and taste during thawing. There is this. On the other hand, the ice room 11 is formed adjacent to the refrigerating chamber blowing fan 20b to lower the temperature of the ice room 11, but the temperature difference between the ice room 11 and the refrigerating chamber 2 is insufficient. There is a problem in that it is not distinguished from the use. Accordingly, by improving the performance of the refrigerating chamber blowing fan so that heat exchange of the refrigerating chamber evaporator is actively performed, the temperature of the ice chamber 11 can be lowered by a predetermined amount more than before, so that the ice chamber can be efficiently used, and the meat or fish can be cooked. It is necessary to be able to form areas that can be stored in proper condition.

Accordingly, an object of the present invention is to provide a refrigerator capable of storing food freshly by appropriately lowering the temperature of the ice-cold room.

1 is a side cross-sectional view of a refrigerator,

Figure 2 is an exploded perspective view of the main part of the refrigerator according to the present invention,

3 is a control block diagram of a refrigerator according to the present invention.

<Description of Symbols for Main Parts of Drawings>

2: refrigerator compartment 7b: refrigerator compartment evaporator

10 control unit 11: ice room

15 duct 16: discharge port

17: Evaporator rear cover 18: Cold air outlet

19: evaporator cover 20b: cold storage fan

25: Ice room blowing fan 40: Ice room setting key

The object of the present invention is to provide a refrigerator having an evaporator and a cooling fan blown with cold air from the evaporator into a cooling chamber and fixed to an evaporator cover, wherein the refrigerator is partitioned on one side of the cooling chamber to maintain a predetermined low temperature. It is achieved by the refrigerator characterized by having an ice-chamber and an ice-chamber blower fan for blowing cold air from the evaporator into the ice-chamber.

Here, the ice room is preferably formed on the upper side of the cooling chamber, the ice room blowing fan may be fixed to the rear cover of the evaporator. And, it is preferable to further include a control unit for controlling the power supply to the ice room cooling fan and the blowing fan.

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

As described with reference to FIG. 1, the refrigerator includes a refrigerating chamber 2 and a freezing chamber 3 partitioned vertically in the main body 1, and a front opening is formed on the front surface of the refrigerating chamber 2 and the freezing chamber 3. Refrigerating chamber doors 4 and freezing chamber doors 5 that open and close are attached. In the refrigerating chamber 2 and the freezing chamber 3, a plurality of shelves 9 for storing food are provided to partition each cooling chamber up and down, and in particular, the upper and lower portions of the food storage tube temperature in the refrigerating chamber 2. In order to accommodate the food, the ice-cooling chamber 11, which is a specific cooling region, and the vegetable chamber 12 for storing vegetables or fruits are provided. Here, the ice room 11 is positioned on one side of the upper portion of the ice room 11 so as to be maintained at a predetermined lower temperature than other areas of the refrigerating chamber 2.

The refrigerator compartment evaporator 7b and the freezer compartment evaporator 7a are installed on the rear surfaces of the refrigerator compartment 2 and the freezer compartment 3 so as to heat-exchange the air in each cooling compartment to lower the temperature in the cooling compartment. In front of the), as shown in Figure 2, the evaporator rear cover 17 is provided. A pair of circular openings is formed in the evaporator rear cover 17 provided in the refrigerating chamber 2, and a pair of circular openings are formed in parallel in the horizontal direction. In addition, a blower fan is provided at each circular opening, and one blower fan is a refrigerating chamber blower fan 20b that blows cold air from the evaporator into the refrigerating chamber 2 as in the prior art, and the blower fan at the other side is an ice-cold room 11. It is installed in the rear of the) is an ice-cold room blowing fan 25 for blowing cold air into the ice-cold room (11).

On the other hand, in front of the evaporator rear cover 17 is provided with an evaporator cover 19 formed with a cold air discharge port 18 to the ice room 11. And, the lower part of the evaporator rear cover 17, the duct 15 for guiding the cold air blown from the refrigerating chamber blowing fan 20b and the ice-cold room blowing fan 25 into the refrigerating chamber 2 and the ice-cold chamber 11 is up and down. It is installed long. The duct 15 is provided with a plurality of discharge ports 16 along the longitudinal direction of the duct 15. Accordingly, cold air from the refrigerating chamber blowing fan 20b and the ice-cold room blowing fan 25 is discharged to the ice-cold chamber 11 and the refrigerating chamber 2 through the cold air outlet 18 of the evaporator cover 19, and the duct ( The cool air flowing along the 15 is discharged into the refrigerating chamber 2 through the discharge port 16 of the duct 15.

On the other hand, the operating panel is provided with an ice room setting key 40 for selecting an appropriate temperature range of the ice room, and according to the selection of the ice room setting key 40, the temperature of the ice room 11 is slightly lower than that of the refrigerator compartment 2. The user can select a desired state from the state of keeping it low and the state of maintaining the temperature of the ice-cold room 11 at about -14 ° C, which can be suitably stored for immediately cooking fish or meat.

As shown in FIG. 3, the control unit for controlling the driving of the refrigerating air blowing fan 20b and the ice-cold air blowing fan 25 in the refrigerating chamber 2 includes a power supply unit 34 and an operation panel 33. And an ice-cold room setting key 40, and an input from the ice-cold room temperature sensor 32 and the refrigerating-room temperature sensor 31 to receive information from the cold room wind fan drive circuit 30, the ice room wind fan drive circuit 35, Then, a signal is sent to the compressor driving circuit 26 to control the driving of the refrigerating chamber blowing fan 20b, the ice-cold blowing fan 25, and the compressor 6.

By such a configuration, when the user stores the fish or meat in the ice cream chamber 11 and selects the ice cream chamber setting key 40, the controller 10 controls the ice cream chamber temperature sensor 32 and the refrigerating chamber temperature sensor 31. In accordance with the temperature value from, the refrigeration chamber blower fan 20b and the ice-cold blower fan 25 are driven simultaneously, or the ice-cold blower fan 25 is driven alone. When both the refrigerating air blowing fan 20b and the ice-cold air blowing fan 25 are driven, heat exchange between the refrigerating chamber evaporator 7b is performed smoothly, and the cool air from the refrigerating chamber evaporator 7b is discharged from the cold air outlet of the evaporator cover 19. The cool air discharged through the duct 15 through the 18 is discharged into the refrigerating chamber 2 through the discharge port 16. When only the ice-cold chamber fan 25 is driven, cold air is not discharged to the other regions in the refrigerating chamber 2, but cold air is discharged only into the ice-cold chamber 11. Therefore, the temperature of the ice-cold chamber 11 will fall to -14 degrees C or less which is a suitable storage temperature, such as meat and fish, by cold air by the ice-cold fan 25.

On the other hand, if the ice-cold room setting key 40 is not selected, the control unit 10 drives the refrigerator compartment blowing fan 20b according to the temperature in the refrigerator compartment 2, and the cold air from the refrigerator compartment evaporator 7b as in the prior art. Is flowed along the duct 15 and evenly discharged to the refrigerating chamber 2 and the ice-temperature chamber 11.

As described above, according to the present invention, it is possible to keep the food freshly by driving the ice chamber blowing fan as appropriately lowering the temperature of the ice chamber.

Claims (4)

A refrigerator having an evaporator and a blower fan blown with cold air from the evaporator into a cooling chamber and fixed to an evaporator rear cover, An ice-temperature chamber partitioned at one side in the cooling chamber to maintain a predetermined low temperature; And an ice-chamber blower fan for blowing cold air from said evaporator into said ice-chamber. The method of claim 1, The ice room is a refrigerator, characterized in that formed on the upper side of the cooling chamber. The method of claim 2, The ice-cooler blowing fan is characterized in that the refrigerator fixed to the rear cover of the evaporator. The method according to any one of claims 1 to 3, And a control unit for controlling power supply to the ice-cooling room blowing fan and the blowing fan.