KR20040046870A - Side by side type refrigerator capable of transferring cool air flow - Google Patents

Abstract

PURPOSE: A side by side type refrigerator for changing a cold air passage is provided to reduce the deviation of temperature in a refrigerator compartment by regulating the flow of air in the refrigerator compartment. CONSTITUTION: A side by side type refrigerator for changing a cold air passage and including a body(11) with freezer and refrigerator compartments(21,31) divided by a partition(12) vertically arranged and freezer and refrigerator compartment doors combined to the body to open and close each front opening units of the freezer and refrigerator compartments comprises an upper duct(51), a rear duct(61), a first damper, a second damper, a temperature detecting unit, and a control unit. The upper duct is composed of a cold air discharge port(54) formed at the front side and a first cold air inflow port communicating with the freezer compartment to flow in the cold air, and arranged to the rear upper area of the refrigerator compartment to discharge the cold air to the upper front area of the refrigerator compartment. The rear duct is composed of a plurality of cold air discharge ports(64) formed to the front side and separated from each other along the vertical direction and a second cold air inflow port for communicating with the freezer compartment and flowing in the cold air, and vertically arranged to a rear wall of the refrigerator compartment to discharge the cold air through the cold air discharge ports. The first damper opens and closes the first cold air inflow port. The second damper opens and closes the second cold air inflow port. The temperature detecting unit detects the inner temperature of the refrigerator compartment. The control unit controls the first and second dampers based on results of the temperature detecting unit.

Description

Side-by-side type refrigerator that can change cold air flow {SIDE BY SIDE TYPE REFRIGERATOR CAPABLE OF TRANSFERRING COOL AIR FLOW}

The present invention relates to a side-by-side type refrigerator capable of switching a cold air flow path, and more particularly, a side-by-side switchable to a cold air flow path capable of regulating the flow of air in a refrigerating compartment to reduce a temperature deviation in the refrigerating compartment. It relates to a type refrigerator.

1 is a perspective view of a conventional side by side type refrigerator, FIG. 2 is a plan sectional view of the main body of FIG. 1, and FIG. 3 is a side 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 freezer compartment 21 and a refrigerating compartment 31 are formed, respectively, with a partition 12 formed in an up-down direction, and a freezer compartment ( 21) and a freezer compartment door 22 and a refrigerator compartment door 32 which are hinged to the main body 11 so as to open and close the front openings of the refrigerating compartment 31.

The machine room 13 is formed in the rear lower area | region of the main body 11, The compressor 14 etc. are accommodated in the inside of the machine room 13, and the like.

A circulation passage 25 is formed in the rear region of the freezing chamber 21 so that the air can be cooled while circulating, and an evaporator 27 is installed inside the circulation passage 25 so that the air can be cooled while passing. . An upper side of the evaporator 27 is provided with a cooling fan (not shown) to allow air to flow from the lower side to the upper side of the evaporator 27.

In the freezer compartment 21 and the refrigerating compartment 31, a plurality of shelves 28 and 38 are disposed to be spaced apart from each other along the vertical direction to support food, and the freezer compartment 22 and the refrigerating compartment door 32 are provided. A plurality of baskets 23 and 33 are provided to accommodate food.

Meanwhile, a cold air supply port 15 is formed in the upper upper region of the partition 12 through the partition 12 so that the cold air of the freezer compartment 21 may be supplied to the refrigerating compartment 31. In the lower rear region along the vertical direction, the refrigerating air inlet 16 is formed to allow the air in the refrigerating chamber 31 to be sucked / returned into the circulation passage 25.

An upper rear duct 41 is provided in the rear upper region of the refrigerating chamber 31 to discharge the cold air provided through the cold air supply port 15 to the refrigerating chamber 31.

The upper rear duct 41 is formed to form a tubular shape formed with a cold air inlet 42 to be in communication with the cold air supply port 15 on one side, the cold air inlet 42 in the upper upper duct 41. Damper 45 is provided to open and close the. Cold air discharge ports 43a and 43b are formed through the front and bottom surfaces of the rear upper duct 41 so as to discharge cold air to the front region and the lower portion of the refrigerating chamber 31, respectively.

However, in the conventional side-by-side type refrigerator, the cold air supply port 15 is formed in the rear upper region of the partition 12 so as to supply the cold air of the freezer compartment 21 to the refrigerating compartment 31, and the front portion and The rear upper duct 41 having the cold air discharge ports 43a and 43b formed at the bottom thereof is disposed in communication with the cold air supply port 15 to be discharged to the cold air discharge ports 43a and 43b at the front and the bottom of the refrigerating chamber 31. Since cold air is discharged to form a constant flow path, both side regions of the upper upper duct 41 relatively far from the formed cold air flow path are relatively unstable to supply cold air, and thus the temperature is easily increased. ) And the basket 33 of the refrigerating compartment door 32 is relatively large amount of food, the front region and the basket 38 of the refrigerating compartment 31 is insufficient in the supply of cold air temperature is raised, such as Temperature deviation There is a problem that it becomes large.

Accordingly, an object of the present invention is to provide a side-by-side type refrigerator capable of controlling the flow of air inside the refrigerating chamber and switching to cold air oil which can reduce the temperature deviation.

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

2 is a plan sectional view of the main body of FIG. 1;

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

4 is a perspective view of a side-by-side type refrigerator capable of switching a cold air flow path according to an embodiment of the present invention;

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

6 and 7 are cross-sectional views taken along lines VI-VI and VI-VII of FIG. 5, respectively;

8 is a view showing the cold air discharge of the rear duct of FIG.

9 is a control block diagram of the refrigerator of FIG. 4;

10 is a side cross-sectional view of a refrigerating compartment of a side-by-side type refrigerator capable of switching a cold air passage according to another embodiment of the present invention;

FIG. 11 is an enlarged view of a region of a first refrigerator cold air suction inlet and a second refrigerator cold air intake of FIG. 10;

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

FIG. 13 is a control block diagram of the refrigerator of FIG. 10.

Explanation of symbols on the main parts of the drawings

11 body 12 partition wall

16: refrigeration cold air inlet 17a: the first cold air supply port

17b: second cold air supply port 21: freezer

25: circulating flow path 27: evaporator

31: refrigerator compartment 51: upper duct

53: first cold air inlet 54, 64: cold air outlet

55: first damper 61: rear duct

63: second cold air inlet 65: second damper

71: control unit 73: temperature detection unit

75: cooling fan

According to the present invention, the main body is provided with a freezer compartment and a refrigerating compartment, respectively, with partitions arranged along the up and down direction, and a freezer compartment door coupled to the main body to open and close each front opening of the freezer compartment and the refrigerating compartment; A side by side type refrigerator having a refrigerating compartment door, comprising: a cold air outlet formed on a front surface of the refrigerator and a first cold air inlet on which one side communicates with the freezing compartment and introduces cold air into the rear upper region of the refrigerating compartment; An upper duct for discharging cold air to the upper front region; A plurality of cold air outlets formed on the front and spaced apart from each other along the vertical direction, and the second cold air inlet in communication with the freezer compartment to enter the cold air is disposed in the rear wall of the refrigerating chamber in the vertical direction along the cold air outlet A rear duct for discharging; A first damper for opening and closing the first cold air inlet; A second damper for opening and closing the second cold air inlet; A temperature detector detecting an internal temperature of the refrigerating chamber; And a control unit for controlling the first damper and the second damper based on the detection result of the temperature detector.

Here, the rear wall of the freezer compartment is formed with a circulation passage provided with an evaporator to cool the air while circulating, the lower portion of the partition wall is formed in the bottom of the refrigerating chamber so that the cold air of the refrigerating compartment can be sucked into the circulation passage It is preferable that the first refrigerator cold air suction port formed at one side of the vegetable storage chamber and the second refrigerator cold air suction port formed at a predetermined height difference from the first refrigerator cold air suction port at one side of the lowermost compartment partitioned by the shelf. Do.

And a first intake damper and a second intake damper for opening and closing the first refrigerator cold air inlet and the second refrigerator cold air intake, respectively, wherein the control unit is configured to detect the first temperature detection sensor and the second temperature detection sensor. A door part cooling mode in which the first refrigerator cooling air inlet is opened when the first damper is opened, and a shelf part cooling mode in which the second refrigerator cool air inlet is opened when the second damper is opened. Accordingly, it is effective to control the first intake damper and the second intake damper.

The operation mode may include the first damper and the second damper, the first inlet damper, and the second inlet so that the first cold inlet and the second cold inlet, the first cold refrigerating air inlet, and the second cold refrigerating air inlet are both opened. It is effective to include a rapid cooling mode that controls the damper.

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

4 is a perspective view of a side-by-side type refrigerator capable of switching a cold air flow path according to an embodiment of the present invention, FIG. 5 is a side cross-sectional view of the refrigerating compartment of FIG. 4, and FIGS. 6 and 7 are respectively VI-VI of FIG. 5. And FIG. 8 is a cross-sectional view taken along line VII-VII, and FIG. 8 is a view illustrating cold air discharge of the rear duct of FIG. 4, and FIG. 9 is a control block diagram of the refrigerator of FIG. 4. Like reference numerals refer to like elements and like parts throughout the drawings for the sake of convenience of description, and descriptions of some components will be omitted. As shown in these figures, the side-by-side type refrigerator capable of switching the cold air flow path includes a main body in which a freezing compartment 21 and a refrigerating chamber 31 are formed, respectively, with partitions 12 formed along the vertical direction. 11), the freezing chamber door 22 and the refrigerating chamber door 32 coupled to the main body 11 to open and close the freezing chamber 21 and the refrigerating chamber 31, respectively, and the first cold air inlet communicating with the freezing chamber 21. An upper duct (51) disposed in the inner rear upper region of the refrigerating chamber (31) and discharging cold air to the upper front region of the refrigerating chamber (31), and a second cold air inlet communicating with the freezing chamber (21); A rear duct (61) having a rear surface of the refrigerating chamber (31) disposed in an up-down direction and discharging cold air forward; and a first damper (55) for opening and closing the first cold air inlet (53); The temperature of each area | region inside the 2nd damper 65 which opens and closes the 2nd cold air inflow opening 63, and the refrigerator compartment 31 is detected. It is composed of a control unit 71 for controlling the first damper 55 and the second damper (65) on the basis of the temperature detection result of the temperature detector 73 and a temperature detector (73).

In the rear region of the freezing compartment 21, a circulation passage 25 is formed to circulate air in the freezing compartment 21 and the refrigerating compartment 31, and inside the circulation passage 25 so that air can be cooled while passing. Evaporator 27 is provided.

In the freezing chamber 21 and the refrigerating chamber 31, a plurality of shelves 28 and 38 are disposed to be spaced apart from each other in the vertical direction to support food.

The first cold air supply port 17a and the second cold air supply port 17b are provided in the upper upper region of the partition wall 12 with a predetermined height difference so as to supply the cold air of the freezer compartment 21 to the refrigerating compartment 31, respectively. It is formed through, and the cold refrigerating air suction port 16 is formed in the rear lower region so that the air of the refrigerating chamber 31 can be sucked into the circulation passage (25).

An upper duct 51 is installed at a side of the first cold air supply port 17a of the refrigerating chamber 31 so as to discharge cold air provided through the first cold air supply port 17a to the front, and the upper duct 51 is provided on one side. The first cold air inlet 53 is formed to form a tubular shape formed so as to be in communication with the first cold air supply port (17a). A cold air discharge port 54 is formed in the front portion of the upper duct 51 to discharge cold air to the front region of the refrigerating chamber 31, and a first damper to open and close the first cold air inlet 53. 55 is provided.

On the second cold air supply port 17b side of the refrigerating compartment 31, a rear duct is provided to discharge the cold air provided through the second cold air supply port 17b through the cold air discharge ports 64 spaced apart from each other in the vertical direction on the front surface thereof. 61 is provided. The rear duct 61 communicates with the cold air inflow portion 62a disposed below the upper duct 51 and the cold air inflow portion 62a and is disposed along the vertical direction at the rear center of the refrigerating compartment 31. 62b is provided. A second cold air inlet 63 is formed at one side of the cold air inlet 62a so as to be in communication with the second cold air inlet 17b, and the second cold air inlet 63 is formed inside the cold air inlet 62a. ) Is provided with a second damper (65) to open and close. A plurality of cold air discharge ports 64 are formed in the front portion of the cold air discharge portion 62b so as to discharge the cold air into each space partitioned by the shelf 38.

On the other hand, the control unit 71 composed of a microcomputer or the like having a built-in control program detects the temperature of the front portion of the refrigerating chamber 31 along the front-rear direction of the refrigerating chamber 31 and at the center along the front-rear direction of the refrigerating chamber 31. Alternatively, the temperature detector 73 for detecting the temperature of the rear region, the cooling fan 75 normally disposed above the evaporator 27 based on the temperature detection result of the temperature detector 73, and the first damper 55. And the temperature detector 73, the first damper 55, and the second damper 65 are electrically connected to control the second damper 65, respectively.

By this configuration, when the temperature of the inner front region and the center or rear region of the refrigerating chamber 31 is detected by the temperature detecting unit 73, the control unit 71 detects the front of the refrigerating chamber 31 as a result of the detection of the temperature detecting unit 73. When the temperature of the front portion of the refrigerating compartment 31 adjacent to the refrigerating compartment door 32 is higher than the temperature of the central or rear region of the refrigerating compartment 31, the first damper (ie, the first damper inlet 53) is opened. While controlling 55, the cooling fan 75 is driven to rotate. When the first damper 55 rotates to open the first cold air inlet 53, as illustrated in FIG. 5, the cold air blown by the cooling fan 75 through the first cold air supply port 17a is provided in the upper duct. It flows into the interior of 51. The introduced cold air is discharged to the upper front region of the refrigerating compartment 31 through the cold air discharge port 54, and the discharged cold air is flowed downward by natural convection and then sucked into the circulation passage 25 through the cold air intake port 16. / Is returned.

When the temperature of the center or rear region of the refrigerating compartment 31 is higher than the temperature of the front region of the refrigerating compartment 31, the controller 71 controls the second damper 65 to open the second cold air inlet 63. In addition, the cooling fan 75 is rotated to drive. Accordingly, the cold air blown by the cooling fan 75 is introduced into the rear duct 61 through the second cold air supply port 17b, and the cold air introduced therein is spaced apart from each other along the vertical direction. It is discharged forward through the discharge port 64. The cold air discharged between the shelves 38 cools the corresponding space and flows downward, and then returns to the circulation passage 25 through the refrigeration cold air suction opening 16.

On the other hand, when the internal temperature of the refrigerating compartment 31, that is, the temperature of the front, center or rear region of the refrigerating compartment 31 is both high, the control unit 71 is the first cold air inlet 53 and the second cold air inlet 63 While controlling the first damper 55 and the second damper 65 to open all, the cooling fan 75 is driven to rotate. Accordingly, the cold air blown by the cooling fan 75 is introduced into the upper duct 51 and the rear duct 61 through the first cold air supply port 17a and the second cold air supply port 17b, respectively. , Respectively, are discharged through the cold air discharge ports 54 and 64 to rapidly cool the refrigerating chamber 31.

FIG. 10 is a side cross-sectional view of a refrigerating compartment of a side-by-side type refrigerator capable of switching a cold air flow path according to another embodiment of the present invention, and FIG. 11 is an enlarged view of a first refrigerator cold air intake port and a second refrigerator cold air intake area of FIG. 10. 12 is a cross-sectional view taken along line AA of FIG. 11, and FIG. 13 is a control block diagram of the refrigerator of FIG. 10. As shown in these figures, the side-by-side type refrigerator capable of switching between the cold air flow paths includes a main body 11 having a freezer compartment 21 and a refrigerating compartment 31 with partition walls 12 formed in an up and down direction therebetween; And a freezing compartment door 22 and a refrigerating compartment door 32, and a first cold air inlet 53 communicating with the freezing compartment 21 and disposed in an upper rear region of the refrigerating compartment 31 to cool the air into the refrigerating compartment 31. An upper duct 51 for discharging to the upper front region and a second cold air inlet 63 communicating with the freezing chamber 21 are disposed in the rear of the refrigerating chamber 31 in the vertical direction to discharge cold air forward. Inside the refrigerating chamber 31, the rear duct 61, the first damper 55 for opening and closing the first cold air inlet 53, the second damper 65 for opening and closing the second cold air inlet 63, The first damper 55 and the first damper 55 based on the temperature detection unit 73 for detecting the temperature of each region and the temperature detection result of the temperature detection unit 73. The control part 71 which controls the 2 damper 65 is comprised.

The first cold air supply port 17a and the second cold air supply port 17b are respectively formed in the upper rear region of the partition 12 so as to provide the cold air of the freezer compartment 21 to the refrigerating compartment 31. The upper duct 51 and the rear duct 61 are respectively installed in the first cold air supply port 17a and the second cold air supply port 17b so as to communicate with each other.

On the other hand, the inside of the refrigerating chamber 31 is arranged to be spaced apart from each other in the vertical direction to partition the internal space of the refrigerating chamber 31 and a plurality of shelves 38 are provided to support food, the refrigerating chamber 31 The lower part of the) is provided with a vegetable storage room 39 to store vegetables and fruits.

On the one side of the lowermost compartment partitioned by the shelf 38, the first refrigeration is passed through the partition wall 12 so that the cold air of the refrigerating compartment 31 can be sucked in and returned to the circulation passage 25. A cold air suction port 18a is formed, and a second refrigeration cold air suction port 18b is formed at one side of the vegetable storage chamber 39 so as to communicate with the circulation passage 25. A first intake damper 20a and a second intake damper 20b are installed at the first refrigerator cold air intake 18a and the second refrigerator cold air intake 18b to open and close the corresponding cold storage air intake 18a, 18b. Inlet cover to allow the intake of the cold air in the refrigerating chamber 31 side of each refrigeration refrigerator inlet (18a, 8b) and to prevent foreign matter from entering the inside of each refrigeration refrigerator inlet (18a, 18b) ( 19a, 19b) are combined, respectively.

On the other hand, the control unit 71 has a first damper (1) so that the cold air can be discharged to different flow paths based on the temperature detector 73 for detecting the internal temperature of the refrigerating chamber 31 and the temperature detection result of the temperature detector 73. 55 and the second damper 65, the cooling fan 75, the first inlet damper 20a and the second inlet damper 20b are electrically connected to each other.

With this configuration, as a result of the temperature detection of the temperature detecting unit 73, the temperature of the front region of the refrigerating chamber 31 is higher than the temperature of the center or rear region of the refrigerating chamber 31 in the front-rear direction of the refrigerating chamber 31, When the temperature of the lower region is higher than that of the upper region because the vegetables or fruits are stored in the inside of the 39, the controller 71 controls the first damper 55 so that the first cold air inlet 53 is opened and simultaneously cools. The fan 75 is driven to rotate and the second intake damper 20b is controlled to open the second refrigeration air inlet 18b. Accordingly, the cold air blown by the cooling fan 75 is introduced into the upper duct 51 through the first cold air supply port 17a and discharged through each cold air discharge port 54. The discharged cold air flows downward, and is sucked into the second refrigeration cold air suction port 18b while cooling the vegetable storage chamber 39 while passing through the peripheral region of the vegetable storage chamber 39.

When food is accommodated in each shelf 38 and the temperature detection unit 73 detects that the temperature of the space partitioned by the shelf 38 is high, the control unit 71 controls the second cold air inlet 63 to be opened. While controlling the two dampers 65, the cooling fan 75 is driven to rotate, and the first intake damper 20a is controlled to open the first refrigerator cooling air inlet 18a. Accordingly, the cold air blown by the cooling fan 75 is introduced into the rear duct 61 through the second cold air supply port 17b and partitioned by the shelf 38 through the cold air discharge port 64. It is discharged to each space to cool the food. After cooling the food, the air is returned to the circulation passage 25 through the first refrigeration cold air suction port 18a and cooled while passing through the evaporator 27, and then the rear duct 61 through the second cold air supply port 17b. As it is circulated and discharged, the cooling is performed.

On the other hand, when the internal temperature of the front part, the door part, and the shelf part of the refrigerating chamber 31 is high overall as a result of the detection of the temperature detection part 73, the control part 71 controls the 1st cold air inlet 53 and the 2nd cold air inlet. The first damper 55 and the second damper 65 and the first intake damper 20a and the second so as to open both the 63 and the first refrigeration cold intake 18a and the second refrigerated cold intake 18b. While controlling the inlet damper 20b, the cooling fan 75 is driven to rotate. Accordingly, the cold air blown by the cooling fan 75 is introduced into the upper duct 51 and the rear duct 61 through the first cold air supply port 17a and the second cold air supply port 17b, respectively. In addition, the inside of the refrigerating chamber 31 is rapidly cooled by being discharged to the refrigerating chamber 31 through the cold air outlets 64 and 64 of the upper duct 51 and the rear duct 61. The cold air that has performed the cooling operation in the refrigerating compartment 31 is sucked back into the circulation passage 25 through the first refrigerator cold air suction port 18a and the second cold storage air suction inlet 18b, and cooled while passing through the evaporator 27. After the introduction into the upper duct 51 and the rear duct 61 and then discharged to the refrigerating chamber 31, the refrigerating chamber 31 is rapidly cooled.

As described above, according to the present invention, there is provided a first cold air inlet communicating with the freezer compartment, the upper duct disposed in the rear upper region of the refrigerating compartment and discharging cold air to the upper front region of the refrigerating compartment, and the second cold air communicating with the freezer compartment. A rear duct having a plurality of cold air outlets formed to be spaced apart from each other along the inlet and the up and down direction and disposed in the vertical direction at the rear of the refrigerating chamber to discharge cold air through the cold air outlet, and a first damper to open and close the first cold air inlet; And a second damper for opening and closing the second cold air inlet, a temperature detector for detecting the temperature of the refrigerating compartment, and a controller for controlling the first damper and the second damper based on the detection result of the temperature detector. The side-by-side type refrigerator that can switch the cold air flow path which can regulate the flow and reduce the temperature deviation inside the refrigerating chamber is provided. .

Claims (4)

Side-by-side type having a main body having a freezer compartment and a refrigerating compartment, respectively, with partition walls arranged along the up and down direction, and a freezer compartment door and a refrigerating compartment door coupled to the main body to open and close respective front openings of the freezer compartment and the refrigerating compartment. A refrigerator, comprising: a cold air outlet formed on a front surface thereof, and a first cold air inlet port connected to the freezing compartment on one side to introduce cold air, and disposed in a rear upper region of the refrigerating compartment to discharge cold air to an upper front region of the refrigerating compartment; Ducts; A plurality of cold air outlets formed on the front and spaced apart from each other along the vertical direction, and the second cold air inlet in communication with the freezer compartment to enter the cold air is disposed in the rear wall of the refrigerating chamber in the vertical direction along the cold air outlet A rear duct for discharging; A first damper for opening and closing the first cold air inlet; A second damper for opening and closing the second cold air inlet; A temperature detector detecting an internal temperature of the refrigerating chamber; And a controller configured to control the first damper and the second damper based on the detection result of the temperature detector. The method of claim 1, The rear wall of the freezer compartment is formed with a circulation passage provided with an evaporator to cool the air while circulating, the lower portion of the partition wall of the vegetable storage chamber formed in the bottom of the refrigerator compartment so that the cold air of the refrigerating compartment is sucked into the circulation passage A first refrigeration air inlet formed on one side of the second refrigeration air inlet, and a second refrigeration air inlet formed at a predetermined height difference from the first refrigeration air inlet at one side of the lowermost compartment partitioned by the shelf, Side by side type refrigerator can be switched to cold air. The method of claim 2, And a first intake damper and a second intake damper for opening and closing the first refrigerator cold air inlet and the second refrigerator cold air intake, respectively, wherein the control unit is configured to detect the first temperature detection sensor and the second temperature detection sensor. A door part cooling mode in which the first refrigerator cooling air inlet is opened when the first damper is opened, and a shelf part cooling mode in which the second refrigerator cool air inlet is opened when the second damper is opened. And the first intake damper and the second intake damper. The method of claim 3, The operation mode may include the first damper and the second damper, the first inlet damper, and the second inlet so that the first cold inlet and the second cold inlet, the first cold refrigerating air inlet, and the second cold refrigerating air inlet are both opened. Side-by-side type refrigerator capable of switching the cold air flow path, characterized in that it comprises a rapid cooling mode for controlling the damper.