KR100498380B1 - Side by side type refrigerator with temperature switching room - Google Patents

Abstract

The present invention relates to a side-by-side type refrigerator having a temperature conversion chamber, comprising: a side-by-side type refrigerator having a freezer compartment and a refrigerating compartment, respectively, having a partition therebetween, and having a tubular shape in which a front surface is opened by an insulating member. A casing having a cold air inlet formed to be in communication with the freezing compartment and disposed in the refrigerating chamber to form a temperature conversion chamber therein; A drawer configured to be retractable along the front and rear directions of the casing to block a front opening of the casing; A heater disposed inside the casing to raise a temperature inside the casing; A temperature detection sensor detecting a temperature inside the casing; A damper for opening and closing the cold air inlet; Select one of a plurality of storage modes including a low temperature storage mode in which the temperature of the temperature conversion chamber is higher than the temperature of the freezing compartment and lower than a temperature of the refrigerating chamber, and a high temperature storage mode in which the temperature of the temperature conversion chamber is higher than the temperature of the refrigerating chamber. A mode selector configured to be formed; And a controller for controlling the damper and the heater based on a detection result of the temperature detection sensor when the storage mode is selected by the mode selection unit. As a result, there is provided a side-by-side type refrigerator having a temperature conversion chamber capable of effectively storing food by allowing internal temperature switching to a temperature suitable for storage of food to be stored.

Description

Side by side type refrigerator with temperature conversion room {SIDE BY SIDE TYPE REFRIGERATOR WITH TEMPERATURE SWITCHING ROOM}

The present invention relates to a side-by-side type refrigerator having a temperature conversion chamber, and more particularly, a temperature conversion chamber capable of effectively preserving food by enabling internal temperature conversion to a temperature suitable for storage of food to be stored. It relates to a side by side type refrigerator having a.

1 is a perspective view of a conventional side by side type refrigerator, and FIG. 2 is a side cross-sectional view of the refrigerating compartment of FIG. 1. As shown in these figures, the side-by-side type refrigerator includes a main body 11 in which a freezing compartment 21 and a refrigerating compartment 31 are formed, respectively, with a partition 12 formed in an up and down direction, and a freezing compartment ( 21) and a freezer compartment door 23 and a refrigerator compartment door 33 coupled to the main body 11 so as to open and close the refrigerator compartment 31, respectively.

The machine room 13 is formed in the lower rear area | region of the main body 11, The compressor 15 etc. are provided in the inside of the machine room 13. As shown in FIG.

The rear wall of the freezer compartment 21 is provided with a duct 25 formed with a plurality of cold air outlets 26 are spaced apart from each other along the up and down direction to discharge the cold air forward, the inside of the freezer compartment 21 in the vertical direction Accordingly, a plurality of shelves 27 are disposed to be spaced apart from each other so as to partition the internal space and support food.

A plurality of shelves 37 are spaced apart from each other in the up and down direction in the refrigerating chamber 31, and a vegetable storage chamber 39 is formed in the lower region of the refrigerating chamber 31 to store vegetables and fruits. .

A cold air supply port (not shown) is formed in an upper rear region of the partition wall 12 so that the cold air of the freezing chamber 21 can be supplied to the refrigerating chamber 31, and the cold air supplied from the freezing chamber 21 is provided at one side of the cold air supply opening. The upper duct 41 having the cold air discharge ports 42a and 42b is provided to communicate with the cold air supply port so as to discharge the upper front and the lower part of the refrigerating chamber 31. The upper duct 41 is provided with a damper 40 to open and close the cold air supply port and the cold air inlet, which are in communication with each other, and the air in the refrigerating chamber 31 is stored in the lower portion of the rear wall of the partition 12. Refrigerated cold air suction port 16 is formed to be sucked / returned to the circulation flow path (not shown) formed on the rear wall of the).

By this configuration, some of the air introduced into the upper duct 41 via the cold air supply port is discharged to the upper front region of the refrigerating chamber 31 through the cold air discharge port 42a formed on the front surface, and the rest of the air is lowered. It is discharged downward through the cold air discharge port 42b formed in the.

The discharged cold air cools the food supported on the shelf 37 of the refrigerating compartment 31 while flowing downward by natural convection, and is sucked into the circulation flow path formed in the rear region of the freezing compartment 21 through the refrigerating cold air suction opening 16. The cold air cooled while passing through the circulation passage is discharged through the cold air outlets 42a and 42b of the upper duct 41 to perform the cooling operation.

On the other hand, the food will have a suitable storage temperature, if the storage temperature is not maintained, the microorganisms inside the activity to deteriorate or corrupt the food.

By the way, in the conventional side-by-side type refrigerator, the fish meat (漁 肉類) is usually stored in the freezer compartment 21, in which case it takes a lot of time to thaw, and in particular, the meat, etc. When it is desired to store for a short time, for example, several hours to several ten hours, there is a problem that there is no place for proper storage.

In addition, the vegetable storage chamber 39 is formed in the lower region of the refrigerating chamber 31 to store vegetables or fruits, but the inside of the vegetable storage chamber 39 is almost constant regardless of the type of vegetables or fruits that are stored therein. Vegetables and fruits, such as Chinese cabbage, spinach, lettuce, parsley, tomato, cucumber, pumpkin, Strawberries, peaches and grapes, bananas, pineapples, mangoes, papaya, etc. There is a problem that is not suitable for the storage of tropical fruits mainly harvested in the subtropical or tropical.

Accordingly, it is an object of the present invention to provide a side-by-side type refrigerator having a temperature conversion chamber capable of effectively storing food by allowing internal temperature conversion to a temperature suitable for storage of food to be stored.

The object of the present invention is a side-by-side type refrigerator in which a freezer compartment and a refrigerating compartment are formed, respectively, with partition walls formed in an up and down direction therebetween. A casing having a cold air inlet formed to be in communication with the casing, the casing being disposed in the refrigerating chamber to form a temperature conversion chamber therein; A drawer configured to be retractable along the front and rear directions of the casing to block a front opening of the casing; A heater disposed inside the casing to raise a temperature inside the casing; A temperature detection sensor detecting a temperature inside the casing; A damper for opening and closing the cold air inlet; Select one of a plurality of storage modes including a low temperature storage mode in which the temperature of the temperature conversion chamber is higher than the temperature of the freezing compartment and lower than a temperature of the refrigerating chamber, and a high temperature storage mode in which the temperature of the temperature conversion chamber is higher than the temperature of the refrigerating chamber. A mode selector configured to be formed; And a control unit for controlling the damper and the heater based on the detection result of the temperature detection sensor when the storage mode is selected by the mode selection unit. Is achieved.

Here, the inside of the casing is formed with a circulation chamber partitioned with the temperature conversion chamber, it is preferable to further include a circulation fan disposed so that the air inside the casing can be circulated through the circulation chamber.

It is effective that the heater is installed in contact with the air drawn from the casing in the circulation chamber.

The partition wall has a cold air supply port formed therethrough so as to communicate with the cold air inlet, and the damper is arranged to block the circulation chamber when the cold air inlet is opened, and the circulation chamber is opened when the cold air inlet is blocked. It is preferable to arrange.

A discharge port is formed on the rear wall of the casing to discharge air inside the temperature conversion chamber, and is disposed outside the casing to open the discharge port when the cold air inlet is opened, and to open the discharge port when the cold air inlet is blocked. It is effective to further include a check valve to block the air from the outside of the casing to enter the interior of the temperature conversion chamber.

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

3 is a perspective view of a side-by-side type refrigerator having a temperature conversion chamber according to an embodiment of the present invention, FIG. 4 is a side cross-sectional view of the refrigerating compartment of FIG. 3, and FIG. 5 is an enlarged view of the temperature conversion chamber of FIG. 4, 6 is a cross-sectional plan view of the temperature conversion chamber of FIG. 5, FIG. 7 is a control block diagram of the refrigerator of FIG. 3, and FIG. 8 is a view illustrating the flow of air in the temperature conversion chamber of FIG. 3. The same reference numerals are assigned to the same and the same imaginary parts as the above-described and illustrated components, and detailed descriptions of some components will be omitted. As shown in these figures, the side-by-side type refrigerator provided with the temperature conversion chamber includes a main body 11 having a freezer compartment 21 and a refrigerating compartment 31 with a partition 12 therebetween, and a refrigerating compartment ( 31) and the freezing chamber door 23 and the refrigerating chamber door 33 coupled to the main body 11 so as to open and close the freezing chamber 21, respectively, and are arranged inside the refrigerating chamber 31 to provide a temperature conversion chamber 52 therein. The casing 51 to be formed and the drawer 53 accommodated in the casing 51 to be pulled out are comprised.

A plurality of shelves 37 are arranged inside the refrigerating compartment 31 to support the food and to support food, and to discharge the cold air provided from the freezing compartment 21 in the upper region of the rear side of the refrigerating compartment 31. The upper duct 41 is provided with cold air outlets 42a and 42b. In the lower rear region of the refrigerating chamber 31, a refrigerating refrigerator suction port 16 is formed to suck air from the refrigerating chamber 31.

On the other hand, the casing 51 is provided in the lower region of the refrigerating chamber 31 to form the temperature conversion chamber 52 to be switched to different temperature bands according to the type of food to be stored therein. The casing 51 is formed to have a rectangular cylindrical shape in which the front surface is opened as a heat insulating member, and a drawer 53 having a cylindrical shape upwardly open to accommodate food to be stored is drawn out inside the casing 51. It is stored possibly. The front part of the drawer 53 is formed so that the upper and lower sides and the left and right widths can be extended so as to contact the front opening edge of the casing 51 and block the opening of the casing 51.

A temperature detecting sensor 57 is installed in the upper upper region of the casing 51 so as to detect the internal temperature of the casing 51, and one side of the casing 51 may circulate air in the casing 51. The circulation chamber 54 is formed so as to communicate with the internal space of the casing 51. In the partition wall partitioning the circulation chamber 54 and the temperature conversion chamber 52, the air suctioned into the circulation chamber 54 and the suction port 55a through which the air of the casing 51 is sucked into the circulation chamber 54 are connected to the temperature conversion chamber ( Discharge openings 55b discharged to 52 are respectively formed through.

A heater 59 is installed inside the circulation chamber 54 so that air introduced from the temperature conversion chamber 52 can be heated while passing therethrough, and a circulation fan 61 is provided in the discharge port 55b to promote the flow of air. ) Is installed.

One side of the circulation chamber 54 has a cold air inlet 56 formed therethrough so that cold air from the freezing chamber 21 can be introduced therein, and the partition 12 has a free air inlet 56 at a point corresponding to the cold air inlet 56. The cold air supply port 18 is formed to penetrate through the cold air. The cold air inlet 56 is provided with a damper 63 to open and close the cold air inlet 56.

The rear wall portion of the casing 51 has a discharge port 66 formed therethrough so that the air in the temperature conversion chamber 52 can be discharged to the outside, and the upper edge of the discharge port 66 at the time of opening the cold air inlet 56 ( A check valve 68 is provided to open the door 66 and block the outlet port 66 when the cold air inlet port 56 is blocked. The check valve 68 is formed in the form of a thin film and the upper edge portion is in contact with the upper edge of the discharge port 66 is draped along the vertical direction.

On the other hand, the control unit 65 implemented in the form of a microcomputer with a built-in control program includes a plurality of storage modes according to the temperature band of the temperature conversion chamber 52 which is set differently according to the type of food, for example, meat, and the like. Drips are small and can be stored in a fresh state without losing its unique flavor -7 ~ -3 ℃ cold storage mode, and 7 ~ 10 ℃ high temperature storage mode suitable for preserving vegetables or tropical fruits. The mode selector 67 is electrically connected to select one mode. Here, of course, the storage mode may be configured by further subdividing by the food preservation temperature of the food to be stored.

The control unit 65 also detects the internal temperature of the temperature conversion chamber 52 in accordance with the selected storage mode upon selecting any one storage mode by the mode selection unit 67, and controls the internal temperature based on the result. The temperature detection sensor 57, the damper 63, the heater 59 and the circulation fan 61 are electrically connected to each other so that the temperature detection sensor 57, the damper 63, and the circulation fan 61 are electrically connected.

With this configuration, when the low temperature storage mode is selected by the mode selection unit 67 when storing meat or the like, the control unit 65 based on the detection result of the temperature detection sensor 57, the temperature of the temperature conversion chamber 52 Is higher than the target temperature, the damper 63 is controlled to open the cold air inlet 56 and the circulation fan 61 is rotated. When the circulation fan 61 is rotated, the cold air of the freezing chamber 21 is discharged through the discharge port 55b via the cold air supply port 18 and the cold air inlet port 56, as shown in FIG. 8. Flows inside. The cold air introduced into the temperature conversion chamber 52 performs a cooling operation and is discharged to the outside of the casing 51 through the discharge port 66.

On the other hand, when the tropical fruit or vegetable is to be stored in the temperature conversion chamber 52, when the high temperature storage mode is selected by the mode selection unit 67, the control unit 65 is based on the detection result of the temperature detection sensor 57 When the internal temperature of the temperature conversion chamber 52 is lower than the target temperature on the basis, the circulation fan 61 is controlled to be rotated and power is applied to the heater 59 at the same time. At this time, the damper 63 is located at a position where the cold air inlet 56 is blocked.

When the circulation fan 61 is rotated, as shown in FIG. 6, air in the temperature conversion chamber 52 is introduced into the circulation chamber 54, and the introduced air is heated by a heater ( 59, the inside of the temperature conversion chamber 52 is maintained at a temperature suitable for the high temperature storage mode while repeating the process of being discharged again into the temperature conversion chamber 52 through the discharge port 55b.

As described above, according to the present invention, a casing disposed in the refrigerating chamber having a tubular shape with an open front surface, a drawer retractably received in the casing, and installed to raise the internal temperature of the casing; A mode selector configured to select one of a plurality of storage modes having different temperature ranges, and a temperature detection sensor for detecting an internal temperature of the casing, a damper for opening and closing a cold air inlet communicating with a freezer compartment, and a different temperature band. And a temperature conversion chamber capable of switching to a temperature band suitable for food stored therein by providing a control unit for controlling the heater and the damper based on the temperature detection result of the temperature detection sensor when the mode selection unit selects the mode. A side by side type refrigerator is provided.

1 is a perspective view of a conventional side by side type refrigerator,

2 is a side cross-sectional view of the refrigerating compartment of FIG. 1,

3 is a perspective view of a side-by-side type refrigerator having a temperature conversion room according to an embodiment of the present invention;

4 is a side cross-sectional view of the refrigerating compartment of FIG. 3;

5 is an enlarged view of the temperature conversion chamber of FIG. 4;

6 is a plan sectional view of the temperature conversion chamber of FIG. 5;

7 is a control block diagram of the refrigerator of FIG.

8 is a view showing the flow of air in the temperature conversion chamber of FIG.

Explanation of symbols on the main parts of the drawings

11 body 12 bulkhead

18: cold air supply port 21: freezer

31: refrigerator compartment 51: casing

52: temperature conversion room 53: drawer

54: circulation chamber 57: temperature detection sensor

59: heater 61: circulation fan

63: damper 65: control unit

66: outlet 67: mode selector

68: check valve

Claims (5)

In a side-by-side type refrigerator having a freezer compartment and a refrigerating compartment, respectively, with partition walls formed along an up and down direction, a cold air inlet formed to have a tubular shape with a front surface opened by a heat insulating member and to communicate with the freezer compartment on one side thereof. A casing disposed in the refrigerating chamber to form a temperature conversion chamber therein; A drawer configured to be retractable along the front and rear directions of the casing to block a front opening of the casing; A heater disposed inside the casing to raise a temperature inside the casing; A temperature detection sensor detecting a temperature inside the casing; A damper for opening and closing the cold air inlet; Select one of a plurality of storage modes including a low temperature storage mode in which the temperature of the temperature conversion chamber is higher than the temperature of the freezing compartment and lower than a temperature of the refrigerating chamber, and a high temperature storage mode in which the temperature of the temperature conversion chamber is higher than the temperature of the refrigerating chamber. A mode selector configured to be formed; And a control unit for controlling the damper and the heater based on a detection result of the temperature detection sensor when the storage mode is selected by the mode selection unit. The method of claim 1, The inside of the casing is formed with a circulation chamber partitioned with the temperature conversion chamber, the temperature conversion chamber characterized in that it further comprises a circulation fan arranged so that the air inside the casing can be circulated through the circulation chamber Side by side type refrigerator. The method of claim 2, And the heater is installed inside the circulation chamber so as to be in contact with the air drawn from the casing. The method according to claim 2 or 3, The partition wall has a cool air supply port formed therethrough so as to communicate with the cold air inlet, and the damper is arranged to block the circulation chamber when the cold air inlet is opened, and the circulation chamber is opened when the cold air inlet is blocked. Side by side type refrigerator having a temperature conversion room, characterized in that arranged so as to. The method according to any one of claims 1 to 3, A discharge port is formed on the rear wall of the casing to discharge air inside the temperature conversion chamber, and is disposed outside the casing to open the discharge port when the cold air inlet is opened, and to open the discharge port when the cold air inlet is blocked. Side by side type refrigerator having a temperature switching room further comprises a check valve for blocking the air from the outside of the casing to enter the inside of the temperature conversion chamber.