KR20150032105A - Control method of the refrigerator - Google Patents

Abstract

The present invention can minimize frequent on-off operations of a compressor and prevent noise generated when the compressor is frequently on-off operated since, if the temperature of one of a first storage room and a second storage room is unsatisfactory and the temperature of the other of the first storage room and the second storage room is satisfactory, one of the first storage room and the second storage room is cooled to a temperature which is no higher than the control temperature minus the error temperature of the other of the first storage room and the second storage room.

Description

Kimchi refrigerator and control method thereof [0001]

The present invention relates to a kimchi refrigerator and its temperature control method, and more particularly, to a kimchi refrigerator including four storage chambers and a temperature control method thereof.

Generally, a kimchi refrigerator is a refrigerator designed to store kimchi and can be produced and controlled so that it can be stored for a long time at the most suitable temperature to preserve the fresh taste of kimchi.

It is preferable that the kimchi refrigerator should be stable so that the temperature change during storage is not large, and the kimchi is controlled so as not to be easily sated but to preserve the taste.

In recent years, kimchi refrigerators are becoming increasingly multifunctional, and users are using kimchi refrigerators as multi - purpose refrigerators for storing various foods as well as kimchi.

The kimchi refrigerator may include a plurality of evaporators, and a plurality of evaporators may cool the plurality of storage compartments. The Kimchi refrigerator includes a compressor for compressing the refrigerant, a condenser for radiating the high-temperature refrigerant compressed in the compressor, a valve for controlling the distribution of the condensed refrigerant, a capillary for decompressing the high-temperature refrigerant controlled by the valve, And an evaporator.

The Kimchi refrigerator can include at least four storage compartments, and the compressor can be turned on or off depending on the dissatisfaction and satisfaction of each storage compartment temperature.

The Kimchi refrigerator according to the related art has a problem in that the loss due to frequent on, off, on and off of the compressor is large and power consumption is increased, and there is a problem in that frequent on and off noises of the compressor are increased.

A Kimchi refrigerator according to the present invention includes: a first evaporator and a first evaporator for cooling a first storage chamber; A second evaporator and a second evaporator for cooling the second storage chamber; A third evaporator and a third evaporator for cooling the third storage chamber and the fourth storage chamber; At least one refrigerant regulating valve for regulating the refrigerant supplied to the first evaporator, the second evaporator and the third evaporator; A third storage chamber damper for controlling the cool air supplied from the third evaporator to the third storage chamber; A fourth storage chamber damper for controlling the cool air supplied from the third evaporator to the fourth storage chamber; And a controller for controlling the first evaporation fan, the second evaporation fan, the third evaporation fan, the at least one coolant control valve, the third storage damper, and the fourth storage damper.

Wherein the controller is configured to determine whether any one of the third storage chamber and the fourth storage chamber is unsatisfactory in temperature and the temperature of the other one of the third storage chamber and the fourth storage chamber is satisfied, The other storage room of the third storage room and the fourth storage room may be cooled to a temperature lower than the control temperature-error temperature of the other one of the third storage room and the fourth storage room.

Wherein the control unit is configured to determine whether one of the first storage room and the second storage room is unsatisfactory in temperature and the temperature of the other storage room of the first storage room and the second storage room is satisfied, The first storage chamber and the second storage chamber may be cooled to a temperature lower than the control temperature-error temperature of the other one of the first storage chamber and the second storage chamber.

The control unit may continuously cool the third storage chamber and the fourth storage chamber, and then continuously cool the first storage chamber and the second storage chamber.

In the control method of the Kimchi refrigerator according to the present invention, the first evaporator and the first evaporator cools the first storage room, the second evaporator and the second evaporator fan cools the second storage room, and the third evaporator and the third evaporator At least one refrigerant control valve controls the refrigerant supplied to the first evaporator, the second evaporator and the third evaporator, and the third storage chamber damper controls the third evaporator, the third storage chamber and the fourth storage chamber, And the fourth storage chamber damper controls the Kimchi refrigerator which interrupts the cool air supplied from the third evaporator to the fourth storage compartment.

The control method of a Kimchi refrigerator according to the present invention is characterized in that if at least one storage room temperature among the third storage room and the fourth storage room is unsatisfactory, at least one of the refrigerant control valves supplies the refrigerant to the third evaporator, ; If the temperature of one of the third storage chamber and the fourth storage chamber is unsatisfactory and the temperature of one of the third storage chamber and the fourth storage chamber is satisfactory, any one of the third storage chamber and the fourth storage chamber may be opened ; Wherein when the temperature of one of the third storage room and the fourth storage room is satisfied after any one of the third storage room and the fourth storage room is opened, any one of the third storage room and the fourth storage room is closed Wow; If the temperature of one of the third storage chamber and the fourth storage chamber exceeds the control temperature-error temperature of the other one of the third storage chamber and the fourth storage chamber, the other storage chamber damper of the third storage chamber and the fourth storage chamber is opened ; If the temperature of one of the third storage chamber and the fourth storage chamber is satisfied, the other storage chamber damper of the third storage chamber and the fourth storage chamber is closed and the third evaporation fan is turned off.

If the temperatures of both the first storage chamber and the second storage chamber are satisfied, the at least one refrigerant control valve may be closed and the compressor may be stopped.

The control method of the Kimchi refrigerator according to the present invention is characterized in that when the temperature of one of the first storage room and the second storage room is unsatisfactory and the temperature of the other storage room of the first storage room and the second storage room is satisfied, Turning on an evaporation fan for supplying the refrigerant to an evaporator for cooling the storage chamber of one of the first storage chamber and the second storage chamber and for blowing air to one of the first storage chamber and the second storage chamber; Wherein the evaporating fan is turned off when at least one of the first storage chamber and the second storage chamber is at a temperature satisfactory, and at least one of the first and second storage chambers is an evaporator for cooling the other storage chamber of the first storage chamber and the second storage chamber, And an evaporating fan for blowing air to the other storage room of the first storage room and the second storage room is turned on; If the temperature of one of the first storage chamber and the second storage chamber is lower than a control temperature-error temperature of the other one of the first storage chamber and the second storage chamber, air is blown into the other storage chamber of the first storage chamber and the second storage chamber And the evaporation fan is turned off.

The refrigerant control valve may be closed and the compressor may be stopped.

The present invention has an advantage of minimizing on and off of the compressor and minimizing noise and power consumption.

In addition, there is an advantage that the temperature of at least one of the plurality of storage rooms can be prevented from being excessively increased due to the switching operation.

1 is a perspective view of one embodiment of a Kimchi refrigerator according to the present invention,
2 is a front view showing a plurality of storage compartments of a Kimchi refrigerator according to an embodiment of the present invention,
3 is a view showing a refrigerant flow when one embodiment of the Kimchi refrigerator according to the present invention supplies refrigerant to the first evaporator,
4 is a view showing a refrigerant flow when one embodiment of a Kimchi refrigerator according to the present invention supplies refrigerant to a second evaporator,
5 is a view showing a refrigerant flow when a Kimchi refrigerator according to an embodiment of the present invention supplies refrigerant to a third evaporator,
6 is a control block diagram of a Kimchi refrigerator according to an embodiment of the present invention,
7 is a flowchart showing an embodiment of a temperature control method of a Kimchi refrigerator according to the present invention,
8 is a flowchart showing the first cooling control of Fig. 7,
9 is a flowchart showing the second cooling control of Fig. 7,
Fig. 10 is a flowchart showing the third cooling control of Fig. 7
11 is a flowchart showing the fourth cooling control of Fig. 7,
12 is a flowchart showing the fifth cooling control of Fig.

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

1 is a perspective view of one embodiment of a kimchi refrigerator according to the present invention.

The Kimchi refrigerator according to the present embodiment includes a main body 10 having a plurality of storage rooms 2, 4, 6, and 8. The Kimchi refrigerator may include at least one door that opens and closes the storage compartment. The kimchi refrigerator may include a door D1 or D2 rotated around a horizontal axis or a vertical axis. The kimchi refrigerator may include a drawer compartment (D3) (D4) which is slidable forward and backward in the main body (10). The drawer compartments D3 and D4 may include a door D5 for opening and closing the storage compartment and a drawer compartment body D6 installed to protrude from the door D5 and for receiving the stored contents. The door D5 of the drawer compartments D3 and D4 may be formed larger than the storage compartments into which the drawer compartment body D6 is inserted and removed and the storage compartment can be opened and closed outside the storage compartment. The drawer compartment body D6 may be formed smaller than the storage compartment in which the drawer compartment body D6 enters and exits. The upper surface of the drawer compartment body D6 can be opened. Drawer compartment (D3) (D4) can be moved to closed position and open position. Here, the closed position may be a position where the drawer compartment body D6 is positioned inside the main body 10 and the door D5 of the drawer compartments D3, D4 closes the storage compartment. The open position may be a position where at least a part of the drawer compartment body D6 is drawn out to the front of the storage compartment and the door D5 of the drawer compartments D3 and D4 opens the storage compartment. The drawer compartment body D6 can slide in the forward direction in the closed position and can be moved to the open position and can be slid backward in the open position and can be moved to the closed position. The kimchi refrigerator can be closed by a door D1 or D2 in which a part of the plurality of storage compartments is rotated around a horizontal axis or a vertical axis and the rest of the plurality of storage compartments can be closed by the drawer compartments D3 and D4 . In the Kimchi refrigerator, some of the plurality of storage rooms can be located above the other, and the storage rooms 2 and 4 located on the upper side are closed by doors D 1 and D 2, (6) and (8) can be closed by the drawer compartments (D3) and (D4) which are slidingly operated.

FIG. 2 is a front view showing a plurality of storage compartments of a Kimchi refrigerator according to an embodiment of the present invention, FIG. 3 is a view showing a refrigerant flow when one embodiment of the Kimchi refrigerator according to the present invention supplies refrigerant to the first evaporator, 4 is a view showing a refrigerant flow when one embodiment of the Kimchi refrigerator according to the present invention supplies refrigerant to the second evaporator, and FIG. 5 is a view showing the refrigerant flow when the refrigerant is supplied to the third evaporator according to an embodiment of the present invention. 6 is a control block diagram of an embodiment of a kimchi refrigerator according to the present invention.

2, the first storage compartment 2 and the second storage compartment 4 are partitioned into left and right compartments when a total of four storage compartments 2, 4, 6, and 8 are formed. And a third storage chamber 6 may be formed below the first storage chamber 2 and the second storage chamber 4 to be vertically partitioned from the first storage chamber 2 and the second storage chamber 4, The fourth storage chamber 8 may be formed on the lower side of the third storage chamber 6 to be vertically partitioned from the third storage chamber 6. The kimchi refrigerator can be partitioned left and right by the vertical barrier B1 in which the first storage chamber 2 and the second storage chamber 4 are vertically arranged therebetween. In the Kimchi refrigerator, when the vertical barrier B1 is not formed, one upper storage chamber may be formed on the upper portion of the third storage chamber 6. The kimchi refrigerator can be partitioned from the first storage chamber 2 and the second storage chamber 4 by the upper partition wall B2 which is horizontally disposed above the third storage chamber 6. The kimchi refrigerator can be partitioned from the third storage chamber 6 by the lower partition wall B3 disposed horizontally above the fourth storage chamber 8 on the upper side thereof.

In the Kimchi refrigerator, a plurality of storage rooms 2, 4, 6, and 8 can be cooled by one refrigerant circuit 12. The refrigerant circuit 12 includes a compressor 14 for compressing the refrigerant, a condenser 16 for condensing the refrigerant compressed in the compressor 14, at least one refrigerant regulating valve 16 for regulating the refrigerant condensed in the condenser 16, A plurality of expansion mechanisms 24, 26 and 28 for expanding the refrigerant flowing in the at least one refrigerant regulating valve 18 and 20 and a plurality of evaporators 26 and 28 for evaporating the refrigerant, 31) 32, 33, respectively. The refrigerant circuit 12 may include three evaporators 31, 32 and 33. The refrigerant circuit 12 may include a first evaporator 31, a second evaporator 32 and a third evaporator 33 and may include a first storage chamber 2, a second storage chamber 4, 6 and the fourth storage chamber 8 can be cooled by the first evaporator 31, the second evaporator 32 and the third evaporator 33.

The compressor 14 may be connected to the plurality of evaporators 31, 32 and 33 through a joint flow path and the refrigerant evaporated in the plurality of evaporators 31, 32 and 33 may be connected to the compressor 14 through a joint flow path. Lt; / RTI >

The condenser 16 may be connected to the plurality of expansion mechanisms 24, 26 and 28 through branch conduits and the refrigerant condensed in the condenser 16 is supplied to the plurality of expansion mechanisms 24 and 26 28). The Kimchi refrigerator may further include a condensing fan 17 for blowing air to the condenser 16. The condensing fan 17 can be driven when the compressor 14 is driven and stopped when the compressor 14 is stopped.

The plurality of expansion mechanisms 24, 26 and 28 includes a first expansion mechanism 24 for expanding the refrigerant flowing toward the first evaporator 31 and a second expansion mechanism 24 for expanding the refrigerant flowing toward the second evaporator 32. [ And a third expansion mechanism (28) for expanding the refrigerant flowing toward the third evaporator (33).

At least one of the refrigerant control valves 18 and 20 may be a flow switching mechanism for controlling the refrigerant flow so that the refrigerant is selectively supplied to the first evaporator 31, the second evaporator 32 and the third evaporator 33 have. The mode of the flow path switching mechanism includes a first evaporator supply mode in which the refrigerant is supplied to the first evaporator 31, a second evaporator supply mode in which the refrigerant is supplied to the second evaporator 32, The first evaporator supply mode, the second evaporator supply mode, and the third evaporator supply mode may be selectively implemented as the flow path switching mechanism.

At least one of the refrigerant regulating valves 18 and 20 may be composed of one refrigerant inlet port, a first refrigerant outlet port, a second refrigerant outlet port and a third refrigerant outlet port, The refrigerant flowing into the refrigerant inlet portion is not discharged to the second refrigerant outlet portion and the third refrigerant outlet portion when the refrigerant flows out to the first refrigerant outlet portion but flows into the first refrigerant outlet portion and the third refrigerant outlet portion when flowing out to the second refrigerant outlet portion, And may not flow out to the first refrigerant outlet portion and the second refrigerant outlet portion when flowing out to the third refrigerant outlet portion. At least one of the refrigerant control valves 18 and 20 includes a first refrigerant control valve for controlling the refrigerant supplied to the first evaporator 31 and a second refrigerant control valve for controlling the refrigerant supplied to the second evaporator 32, And a third refrigerant regulating valve for interrupting the refrigerant supplied to the third evaporator 33. At least one of the refrigerant control valves 18 and 20 includes a first refrigerant control valve 18 capable of guiding the refrigerant selectively supplied to the first evaporator 31 and the second evaporator 32, And a second refrigerant regulating valve 20 capable of selectively guiding the refrigerant to be selectively supplied to the evaporator 33 and the first refrigerant regulating valve 18.

The first evaporator 31 can cool the first storage chamber 2 and the second evaporator 32 can cool the second storage chamber 4 while the third evaporator 33 can cool the third storage chamber 6 And the fourth storage chamber 8 can be cooled. Each of the first evaporator 31 and the second evaporator 32 is an evaporator capable of independently cooling a plurality of storage compartments independently of the other storage compartments. The third evaporator (33) is an evaporator capable of cooling a plurality of storage rooms (6) and (8). The first storage chamber 2 is connected to the second storage chamber 4 and the third storage chamber 6 and the fourth storage chamber 8 independently of each other without being mixed with air and is independently cooled by the first evaporator 31 . The second storage chamber 4 is an independent two-chambered chamber in which air is not mixed with the first storage chamber 2, the third storage chamber 6, and the fourth storage chamber 8 and is independently cooled by the second evaporator 32 . Each of the third storage chamber 6 and the fourth storage chamber 8 is connected to the first storage chamber 2 and the second storage chamber 4 independently of the air 3, You can.

The kimchi refrigerator may further include three evaporation fans 41, 42 and 43. The three evaporation fans 41, 42 and 43 may include a first evaporation fan 41, a second evaporation fan 42, and a third evaporation fan 43. The first evaporation fan 41 can circulate the air in the first storage chamber 2 to the first evaporator 31 and the first storage chamber 2. The second evaporation fan 42 can circulate the air in the second storage chamber 4 to the second evaporator 32 and the second storage chamber 4. The third evaporation fan 43 circulates the air in the third storage chamber 6 to the third evaporator 33 and the third storage chamber 6 or the air in the fourth storage chamber 8 to the third evaporator 33 To the fourth storage chamber (8). The Kimchi refrigerator can cool the first storage chamber 2 by the first evaporator 31 and the first evaporation fan 41 and the second evaporator 32 and the second evaporation fan 42 can cool the second storage chamber 4 And the third evaporator 33 and the third evaporator fan 43 can cool the third storage chamber 6 and the fourth storage chamber 8.

The Kimchi refrigerator can simultaneously cool the third storage chamber 6 and the fourth storage chamber 8. The kimchi refrigerator can sequentially cool the third storage chamber 6 and the fourth storage chamber 8 without cooling the third storage chamber 6 and the fourth storage chamber 8 at the same time. The Kimchi refrigerator cools the third storage compartment 6 and the fourth storage compartment 8 at the same time. If either of the two temperatures is satisfied, the storage compartment in which the temperature is satisfied is not cooled any more, and only the other one, Can be cooled. The kimchi refrigerator may further include a third storage chamber damper 53 and a fourth storage chamber damper 54. The third storage chamber damper 53 may interrupt the cool air supplied from the third evaporator 33 to the third storage chamber 6. The fourth storage chamber damper 54 can interrupt the cool air supplied from the third evaporator 33 to the fourth storage chamber 8. In the Kimchi refrigerator, the third evaporation fan 43 is on, the third storage damper 53 is open, and the fourth storage damper 54 is closed. In this case, 3 evaporating fan 43 to circulate through the third evaporator 33 and the third storage chamber 6. The third storage chamber damper 53 is closed and the fourth storage chamber damper 54 is open. In this case, the air in the fourth storage chamber 8 is supplied to the third evaporator 43, 3 evaporation fan 43 to circulate through the third evaporator 33 and the fourth storage chamber 8.

The kimchi refrigerator includes a first storage room temperature sensor 61 for sensing the temperature of the first storage room 2, a second storage room temperature sensor 62 for sensing the temperature of the second storage room 4, A third storage room temperature sensor 63 for sensing the temperature of the fourth storage room 8 and a fourth storage room temperature sensor 64 for sensing the temperature of the fourth storage room 8. The kimchi refrigerator may further include an input unit 65 through which a user inputs a command.

The input unit 65 is capable of receiving input in the storage mode of the first storage chamber 2, the second storage chamber 4, the third storage chamber 6, and the fourth storage chamber. The kimchi refrigerator can have a plurality of storage modes for each storage room and can selectively receive one of a plurality of storage modes through the input unit 65. [ Here, the plurality of storage modes may be a kimchi storage mode, a cold storage mode, a freeze storage mode, and the like. The input unit 65 can receive the desired temperatures of the first storage chamber 2, the second storage chamber 4, the third storage chamber 6, and the fourth storage chamber 8, respectively.

The kimchi refrigerator is connected to the input of the input unit 65, the sensed temperature of the first storage room temperature sensor 61, the sensed temperature of the second storage room temperature sensor 62, the sensed temperature of the third storage room temperature sensor 63, And a controller (70) for controlling the Kimchi refrigerator according to the sensed temperature of the fourth storage room temperature sensor (64). The controller 70 controls the compressor 14 and the condensing fan 17 and at least one of the refrigerant control valves 18 and 20 and the first evaporator fan 41 and the second evaporator fan 42 in controlling the Kimchi refrigerator The third evaporation fan 43, the third storage damper 53, and the fourth storage damper 54, as shown in FIG.

At the time of cooling of the first storage chamber 2 at least one of the refrigerant regulating valves 18 and 20 can be controlled in the first evaporator supply mode and the compressor 14 and the condensing fan 17 and the first evaporator fan 41 may be driven, and the second evaporation fan 42 and the third evaporation fan 43 may be stopped.

At the time of cooling of the second storage chamber 4, at least one of the refrigerant regulating valves 18 and 20 can be controlled in the second evaporator supply mode and the compressor 14, the condensing fan 17 and the second evaporating fan 42 may be driven, and the first evaporation fan 41 and the third evaporation fan 43 may be stopped.

When the second storage chamber 4 is cooled after the first storage chamber 2 is cooled, at least one of the refrigerant control valves 18 and 20 is supplied to the second storage chamber 2 at the completion of cooling of the first storage chamber 2, Mode, the first evaporation fan 41 can be stopped, and the second evaporation fan 42 can be driven. When the first storage chamber 2 is cooled after the completion of the cooling of the second storage chamber 4, at least one of the refrigerant control valves 18 and 20 is supplied to the first storage chamber 4 Mode, the second evaporation fan 42 can be stopped, and the first evaporation fan 41 can be driven. During continuous operation of the first storage chamber 2 and the second storage chamber 4, at least one of the refrigerant control valves 18 and 20, the first evaporation fan 41 and the second evaporation fan 42 are continuously operated And the mode of the at least one refrigerant regulating valve 18 or 20 can be changed from the first evaporator supply mode to the second evaporator supply mode or vice versa and the first evaporation fan 41, The driving and stopping of the evaporation fan 42 can be changed opposite to each other. The Kimchi refrigerator is controlled by the control of at least one of the refrigerant control valves 18 and 20 and the first evaporation fan 41 and the second evaporation fan 42 so that the first storage chamber 2 and the second storage chamber 4 ) Can be sequentially and continuously cooled.

At the time of cooling of the third storage chamber 6, at least one of the refrigerant control valves 18 and 20 can be controlled to the third evaporator supply mode and the compressor 14, the condensing fan 17 and the third evaporating fan 43 can be driven and the first evaporation fan 41 and the second evaporation fan 42 can be stopped and the third storage chamber damper 53 can be opened and the fourth storage chamber damper 54 can be closed .

At the time of cooling of the fourth storage chamber 8, at least one of the refrigerant regulating valves 18 and 20 can be controlled in the third evaporator supply mode and the compressor 14, the condensing fan 17 and the third evaporating fan 43 can be driven and the first evaporation fan 41 and the second evaporation fan 42 can be stopped and the third storage chamber damper 53 can be closed and the fourth storage chamber damper 54 can be opened .

When the fourth storage chamber 8 is cooled after the third storage chamber 6 is cooled, the third storage chamber damper 53 can be closed at the completion of cooling of the third storage chamber 6, (54) can be opened. Conversely, when the third storage chamber 6 is cooled after the fourth storage chamber 8 is cooled, the fourth storage chamber damper 54 can be closed at the completion of cooling of the fourth storage chamber 8, The storage chamber damper 53 can be opened. The third storage chamber damper 53 and the fourth storage chamber damper 54 can be operated continuously during the continuous operation of the third storage chamber 8 and the fourth storage chamber 8, Only the opening and closing of the fourth storage chamber damper 54 can be reversed. The kimchi refrigerator can successively cool the third storage chamber 6 and the fourth storage chamber 8 sequentially by changing the control of the third storage chamber damper 53 and the fourth storage chamber damper 54.

When the storage mode of the kimchi refrigerator is selected as the specific storage mode, it is possible to set the control upper limit temperature and the control lower limit temperature of the storage room by the specific storage mode, respectively. Here, the control upper limit temperature may be the control temperature + the error temperature, the control lower limit temperature may be the control temperature-error temperature, and the control temperature may be the target temperature (or the set temperature) of the specific storage mode.

When the storage mode of the storage room is selected as the specific storage mode and the desired temperature of the storage room in which the specific storage mode is selected is input, the Kimchi refrigerator selects the specific storage mode and sets the control upper limit temperature and the control lower limit temperature of the storage room, . Here, the control upper limit temperature may be the control temperature + the error temperature, the control lower limit temperature may be the control temperature-error temperature, and the control temperature may be the desired temperature.

 If the temperature of the storage chamber exceeds the control temperature + error temperature, the temperature of the storage chamber may be unsatisfactory. If the temperature of the storage chamber is below the control temperature-error temperature, the temperature of the storage chamber may be satisfactory at present. If the temperature of the storage chamber is below the control temperature, the temperature of the storage chamber may be presently satisfactory.

 The capacity and the load of the first storage chamber 2 and the second storage chamber 4 may be the same or close to each other within a predetermined range. The capacity and the load of the third storage chamber 6 and the fourth storage chamber 8 may be the same or close to each other within a predetermined range. The Kimchi refrigerator can continuously cool the first storage chamber 2 and the second storage chamber 4 by bundling them into the first storage chamber group A and the third storage chamber 6 and the fourth storage chamber 8 to the second And can be continuously cooled. The Kimchi refrigerator may cool one storage chamber group of the first storage chamber group A and the second storage chamber group B first and cool the other storage chamber group later. The Kimchi refrigerator does not cool the third storage chamber 6 or the fourth storage chamber 8 after cooling any one of the first storage chamber 2 and the second storage chamber 4 and does not cool the first storage chamber 2 and the second storage chamber 4, The other one of the storage chambers 4 can be cooled. The kimchi refrigerator may also cool the third storage chamber 6 or the fourth storage chamber 8 without cooling the first storage chamber 2 and the second storage chamber 4 after cooling either the third storage chamber 6 or the fourth storage chamber 8 And the other of the fourth storage chamber 8 can be cooled.

The kimchi refrigerator can be used by selecting one of a plurality of storage modes such as a refrigeration mode, a refrigeration mode and a kimchi storage mode in the first storage chamber 2 and the second storage chamber 4, And the fourth storage chamber 8 may be used in the kimchi storage mode in which case the kimchi refrigerator is placed in the first storage chamber 2 and the second storage chamber 4 in preference to the third storage chamber 6 and the fourth storage chamber 8 And then cooled. If the temperature of at least one of the first storage chamber 2 and the second storage chamber 4 is unsatisfactory and the temperature of at least one of the third storage chamber 6 and the fourth storage chamber 8 is unsatisfactory, The two storage rooms of the first storage room 6 and the fourth storage room 8 are preferentially cooled in order and then the two storage rooms of the first storage room 2 and the second storage room 4 can be sequentially cooled.

If the temperature of one of the third storage chamber 6 and the fourth storage chamber 8 is unsatisfactory and the temperature of the other one of the third storage chamber 6 and the fourth storage chamber 8 is satisfied, One of the third storage chamber 6 and the fourth storage chamber 8 is cooled first and then the other storage chamber of the third storage chamber 6 and the fourth storage chamber 8 is connected to the third storage chamber 6 and the fourth storage chamber 8, It is possible to cool the temperature of the other storage chamber 8 below the control temperature-error temperature.

If the temperature of one of the third storage chamber 6 and the fourth storage chamber 8 is unsatisfactory and the temperature of the other storage chamber is satisfied, the temperature of the third storage chamber 6 and the fourth storage chamber 8 The cooling of the other storage room can be performed when cooling the unsatisfactory storage compartment first and cooling the storage compartment of which temperature is unsatisfactory among the third storage compartment 6 and the fourth storage compartment 8 is completed. That is, when the temperature of the third storage chamber 6 of the third storage chamber 6 and the fourth storage chamber 8 is unsatisfactory and the temperature of the fourth storage chamber 8 is satisfied, the third storage chamber 6 and the third storage chamber 6, When the cooling of the third storage chamber 6 whose temperature is unsatisfactory among the third storage chamber 6 and the fourth storage chamber 8 is completed after cooling the third storage chamber 6 whose temperature is unsatisfactory among the first storage chamber 8 and the fourth storage chamber 8, The fourth storage chamber 8 can be cooled. The Kimchi refrigerator can be heated up to the fourth storage chamber 8 because cool air is not supplied to the fourth storage chamber 8 during the cooling of the third storage chamber 6 and when the third storage chamber 6 is cooled, The temperature of the fourth storage chamber 8 heated during cooling of the third storage chamber 6 can be lowered again and frequent on and off of the compressor 14 can be minimized . In contrast, if the temperature of the third storage chamber 6 of the Kimchi refrigerator is unsatisfactory and the temperature of the fourth storage chamber 8 of the fourth storage chamber 8 is unsatisfactory and the temperature of the third storage chamber 6 is satisfied, When the cooling of the fourth storage chamber 8 in which the temperature of the fourth storage chamber 8 is unsatisfactory and the fourth storage chamber 8 in which the temperature is unsatisfactory among the third storage chamber 6 and the fourth storage chamber 8 is completed, The third storage chamber 6 can be cooled. The third storage chamber 6 can be heated up because the cool air is not supplied to the third storage chamber 6 during the cooling of the fourth storage chamber 8 in the Kimchi refrigerator. The temperature of the third storage chamber 6 heated during cooling of the fourth storage chamber 8 can be lowered again and frequent on and off of the compressor 14 can be minimized .

If the temperature of the third storage chamber 6 is equal to or higher than the control temperature of the third storage chamber + the error temperature, even if the temperature of the fourth storage chamber 8 is satisfied, at least one of the refrigerant control valves 18, The third storage chamber damper 53 is opened until the temperature of the third storage chamber 6 becomes equal to or lower than the control temperature-error temperature of the third storage chamber, and the temperature of the third storage chamber 6 is controlled The third storage chamber damper 53 may be closed and the fourth storage chamber damper 54 may be opened to cool the fourth storage chamber 8 when the temperature falls below the control temperature-error temperature of the third storage chamber.

On the contrary, if the temperature of the fourth storage chamber 8 is equal to or higher than the control temperature of the fourth storage chamber + the error temperature, the Kimchi refrigerator may be provided with at least one coolant control valve 18 The fourth storage chamber damper 54 is opened until the temperature of the fourth storage chamber 8 becomes equal to or lower than the control temperature-error temperature of the fourth storage chamber, When the temperature is lower than the control temperature-error temperature of the fourth storage chamber, the third storage chamber damper 53 is closed and the fourth storage chamber damper 54 is opened to cool the fourth storage chamber.

If the temperature of one of the first storage chamber 2 and the second storage chamber 4 is unsatisfactory and the temperature of the other one of the first storage chamber 2 and the second storage chamber 4 is satisfactory , One of the first storage chamber 2 and the second storage chamber 4 is cooled first and then the other storage chamber of the first storage chamber 2 and the second storage chamber 4 is connected to the first storage chamber 2 It is possible to cool the temperature of the other storage room 4 to a temperature lower than the control temperature-error temperature of the other storage room.

When the temperature of one of the first storage room 2 and the second storage room 4 is unsatisfactory and the other storage room temperature is satisfied, the temperature of the first storage room 2 and the second storage room 4 The first storage chamber 2 and the second storage chamber 4 can be cooled by cooling the other storage chamber when the temperature of the storage chamber is unsatisfactory. That is, when the temperature of the first storage chamber 2 of the first storage chamber 2 and the second storage chamber 4 is unsatisfactory and the temperature of the second storage chamber 4 is satisfied, When the first storage chamber 2 whose temperature is unsatisfactory among the first storage chamber 2 and the second storage chamber 4 is first cooled and the first storage chamber 2 whose temperature is unsatisfactory among the first storage chamber 2 and the second storage chamber 4 is completed, The second storage chamber 4 can be cooled. In the Kimchi refrigerator, the second storage room (4) can be heated up because cool air is not supplied to the second storage room (4) during the cooling of the first storage room (2). When the first storage room (2) The temperature of the second storage chamber 4 heated during the cooling of the first storage chamber 2 can be lowered again and frequent on and off of the compressor 14 can be minimized. In contrast, if the temperature of the second storage chamber 4 of the first storage chamber 2 and the second storage chamber 4 is unsatisfactory and the temperature of the first storage chamber 2 is satisfied, When the second storage chamber 4 whose temperature is unsatisfactory among the first storage chamber 2 and the second storage chamber 4 is cooled and the second storage chamber 4 whose temperature is unsatisfactory among the first storage chamber 2 and the second storage chamber 4 is completed, The first storage chamber 2 can be cooled. In the Kimchi refrigerator, the first storage room 2 can be heated up because cool air is not supplied to the first storage room 2 during cooling of the second storage room 4. At the completion of cooling of the second storage room 4, The temperature of the first storage chamber 2 that has been raised during cooling of the second storage chamber 4 can be lowered again and frequent on and off of the compressor 14 can be minimized.

The Kimchi refrigerator is configured such that at least one of the refrigerant regulating valves 18 and 20 is connected to the first storage room 2 even if the temperature of the first storage room 2 is equal to or higher than the control temperature of the first storage room + The first storage chamber 2 is first cooled by controlling the evaporator supply mode so that the temperature of the second storage chamber 4 is checked at the completion of cooling of the first storage chamber 2, (20) is controlled to the second evaporator supply mode and the temperature of the second storage chamber (4) is controlled to the control of the second storage chamber (4) by controlling the at least one of the refrigerant control valves The second storage chamber 4 can be cooled until the temperature becomes lower than the temperature-error temperature.

On the other hand, if the temperature of the second storage chamber 4 is equal to or higher than the control temperature of the second storage chamber + the error temperature, the Kimchi refrigerator may be provided with at least one coolant control valve 18 The second storage chamber 4 is first cooled by controlling the second evaporator supply mode so that the temperature of the first storage chamber 2 is checked at the completion of cooling of the second storage chamber 4 and the temperature of the first storage chamber 2 Controls the at least one refrigerant regulating valve (18) (20) to the first evaporator supply mode when the temperature of the first storage chamber (2) exceeds the control temperature-error temperature of the first storage chamber (2) It is possible to cool the first storage chamber 2 until the temperature becomes equal to or lower than the control temperature-error temperature of the first storage chamber 2.

Fig. 7 is a flowchart showing one embodiment of a method for controlling the temperature of the Kimchi refrigerator according to the present invention, Fig. 8 is a flowchart showing the first cooling control of Fig. 5, and Fig. 9 is a flowchart Fig. 10 is a flowchart showing the third cooling control of Fig. 5, Fig. 11 is a flowchart showing the fourth cooling control of Fig. 5, and Fig. 12 is a flowchart showing the fifth cooling control of Fig. .

The temperature control method of the Kimchi refrigerator is such that at least one refrigerant control valve 18 or 20 is connected to the third evaporator 31 when the storage room temperature of at least one of the third storage chamber 6 and the fourth storage chamber 8 is unsatisfactory, (S1) (S2) At least one of the refrigerant regulating valves 18 and 20 can be controlled in the third evaporator supply mode, and the third evaporator supply mode And the third evaporation fan 43 can blow air to the third evaporator 33. The temperature control method of the kimchi refrigerator may be such that the compressor 14 can be driven if the storage room temperature of at least one of the third storage chamber 6 and the fourth storage chamber 8 is unsatisfactory.

7 and 8, when the temperatures of the third storage chamber 6 and the fourth storage chamber 8 are unsatisfactory at the same time, the temperature of the third storage chamber 6 and the fourth storage chamber 8, (S4, hereinafter referred to as a first coolant). (S3) (S4)

8, when the third storage chamber 6 and the fourth storage chamber 8 are at the same time temperature-unsatisfactory, the third storage chamber damper 53 and the fourth storage chamber damper 54 are opened Step S41 may be performed. When the third storage chamber damper 53 is opened and the fourth storage chamber damper 54 is opened, the air is cooled by the third evaporator 33 and then supplied to the third storage chamber 6 to cool the third storage chamber 6 Cooled in the third evaporator 33, and then supplied to the fourth storage chamber 8 to cool the fourth storage chamber 8. The temperature of the third storage chamber 6 can be gradually lowered by the cool air supplied from the third evaporator 33 and the temperature of the third storage chamber 6 is lowered below the control temperature error temperature of the third storage chamber , And the temperature of the third storage chamber 6 falls below the control temperature, the temperature of the third storage chamber 6 can be satisfied.

In the first cooling control S4, when the temperature of the third storage chamber 6 is satisfied after the third storage chamber damper 53 is opened and the damper 54 of the fourth storage chamber 54 is opened, the third storage chamber damper (S43) When the third storage chamber damper 53 is closed, the air cooled by the third evaporator 33 is no longer supplied to the third storage chamber 6 The cooling of the third storage chamber 6 can be completed. On the other hand, if the temperature of the third storage chamber 6 is not satisfied after the third storage damper 53 is opened, the third storage damper 53 and the fourth storage damper 54 can maintain their respective open states have. When the third storage chamber damper 53 is closed, the air is cooled by the third evaporator 33 and then supplied to the fourth storage chamber 8 to cool the fourth storage chamber 8, If the temperature falls below the control temperature-error temperature of the fourth storage chamber or the temperature of the fourth storage chamber 8 falls below the control temperature, the temperature of the fourth storage chamber 8 can be satisfied.

In the first cooling control S4, when the temperature of the fourth storage chamber 8 is satisfied after the third storage chamber damper 53 is closed, the fourth storage chamber damper 54 is closed and the third evaporation fan 43 is stopped (S44) When the temperature of the fourth storage chamber 8 is satisfied and the fourth storage chamber damper 54 is closed and the third evaporation fan 43 is turned off, the fourth storage chamber 8), no cold air is supplied, and the first cooling control S4 can be completed. After the completion of the first cooling control S4, the control method of the temperature of the Kimchi refrigerator is controlled by controlling the Kimchi refrigerator according to the temperature of the first storage chamber 2 and the temperature of the second storage chamber 4, can do.

7 and 9, if the temperature of the third storage chamber 6 is unsatisfactory and the temperature of the fourth storage chamber 8 is satisfied, as shown in FIG. 9, (S6, hereinafter referred to as a second cooling control S6) of continuously cooling the third storage chamber 6 and the fourth storage chamber 8 in the order of the third storage chamber 6 and the fourth storage chamber 8, (S3) (S5) (S6)

 7 and 10, if the temperature of the third storage chamber 6 is satisfactory and the temperature of the fourth storage chamber 8 is unsatisfactory, the temperature control method of the Kimchi refrigerator will be described with reference to FIGS. 7 and 10, (S7; hereinafter referred to as third cooling control S7) for successively cooling the fourth storage chamber 8 and the third storage chamber 6 in the order of the storage chamber 6. (S3) (S5) (S7)

Each of the second cooling control S6 and the third cooling control S7 is performed such that the storage room temperature of either the third storage compartment 6 or the fourth storage compartment 8 is unsatisfactory and the other storage compartment temperature among the third storage compartment and the fourth storage compartment (S21) (S31) in which any one of the third storage chamber 6 and the fourth storage chamber 8 is opened if it is satisfied.

 Each of the second cooling control S6 and the third cooling control S7 is performed after the third storage chamber 6 and the fourth storage chamber 8 are opened after any one of the third storage chamber 6 and the fourth storage chamber 8 is opened. (S62), (S63), (S72), and (S73) that one of the third storage chamber 6 and the fourth storage chamber 8 is closed if the temperature of any one of the third storage chamber 6 and the fourth storage chamber 8 is satisfied .

 The second cooling control S6 and the third cooling control S7 are performed such that the temperature of the other storage room among the third storage compartment 6 and the fourth storage compartment 8 is lower than the temperature of the third storage compartment 6 and the fourth storage compartment 8 (S64), (S65), and (S74) (S75) that another storage chamber damper of the third storage chamber (6) and the fourth storage chamber (8) is opened if the control temperature of the other storage chamber exceeds the error temperature.

  Each of the second cooling control S6 and the third cooling control S7 is performed in the same manner as the third storage chamber 6 and the fourth storage chamber 8 when the temperature of the other storage chamber of the third storage chamber 6 and the fourth storage chamber 8 is satisfied, (S66), (S76), and (S76) (S77) that the third evaporation fan 33 is turned off while the other storage damper is closed.

9, the second cooling control S6 is performed in such a manner that the temperature of the third storage chamber 6 among the third storage chamber 6 and the fourth storage chamber 8 is lower than the temperature of the third storage chamber 6 And the third storage chamber damper 53 of the fourth storage chamber 8 and the third storage chamber 6 is opened when the temperature of the fourth storage chamber 8 of the third storage chamber 6 and the fourth storage chamber 8 is unsatisfactory, (S61) may be performed. If the temperature of the third storage chamber 6 is equal to or higher than the control temperature of the third storage chamber + the error temperature, the temperature of the third storage chamber 6 may be unsatisfactory. If the temperature of the fourth storage chamber 8 is lower than the control temperature + error temperature of the fourth storage chamber, is lower than the control temperature of the fourth storage chamber, or is lower than the control temperature-error temperature of the fourth storage chamber, . In this case, the third storage chamber damper 53 can be opened and the air in the third storage chamber 6 is cooled by the third evaporator 33 and then supplied to the third storage chamber 6, And the temperature of the third storage chamber 6 can be gradually lowered. After the third storage chamber damper 53 is opened, the temperature of the third storage chamber 6 may gradually decrease with time, and the temperature of the third storage chamber 6 may be lower than the control temperature-error temperature And at this time, the temperature of the third storage chamber 6 may be satisfied.

 The second cooling control S6 is performed after the third storage chamber damper 53 of the third storage chamber 6 and the fourth storage chamber 8 is opened and the third storage chamber 6 among the fourth storage chamber 8 and the fourth storage chamber 8 Is satisfied, steps (S62) and (S63) in which the third storage chamber damper (53) is closed can be performed. When the temperature of the third storage chamber 6 changes to satisfactory after the third storage chamber damper 53 is opened, the third storage chamber damper 53 can be closed. The kimchi refrigerator can sense the temperature of the present fourth storage chamber 8 according to the signal output from the fourth storage chamber temperature sensor 64 when the third storage chamber damper 53 is closed.

 The second cooling control S6 is performed when the temperature of the fourth storage chamber 8 of the third storage chamber 6 and the fourth storage chamber 8 exceeds the control temperature-error temperature of the fourth storage chamber, (S64) (S65) may be performed. When the fourth storage chamber damper 54 is opened, air in the fourth storage chamber 8 is cooled by the third evaporator 33 and then supplied to the fourth storage chamber 8 to cool the fourth storage chamber 8 , The temperature of the fourth storage chamber 8 can be gradually lowered. The temperature of the fourth storage chamber 8 can be raised while the kimchi refrigerator is cooling the third storage chamber 6. If the temperature of the fourth storage chamber 8 is lowered after the cooling of the third storage chamber 6 is completed, Since the temperature in the fourth storage chamber is unsatisfactory, the compressor 14 can be driven at a slower timing, and the compressor 14 can be prevented from being turned on and off frequently. On the other hand, the temperature of the fourth storage chamber 8 can be lowered by the opening of the fourth storage chamber damper 54 to be lower than the control temperature-error temperature of the fourth storage chamber, and the temperature of the fourth storage chamber 8 is satisfied .

  When the temperature of the fourth storage chamber of the third storage chamber 6 and the fourth storage chamber 8 is satisfied, the second cooling control S6 closes the fourth storage chamber damper 54 and the third evaporation fan 33 Step S66 (S67) may be performed. When the temperature of the fourth storage chamber is satisfied, the temperature of the fourth storage chamber 8 is sufficiently lowered, so that the cooling of the fourth storage chamber 8 can be stopped. When the third evaporation fan 33 is turned off, the air in the fourth storage chamber 8 no longer flows into the third evaporator 33, and the air can no longer be blown into the fourth storage chamber 8. As shown in FIG. 7, the temperature control method of the Kimchi refrigerator can control the Kimchi refrigerator according to the temperature of the first storage chamber 2 and the temperature of the second storage chamber 4.

10, the third cooling control S7 is performed in such a manner that the temperature of the fourth storage chamber 8 of the third storage chamber 6 and the fourth storage chamber 8 is lower than the temperature of the fourth storage chamber 8 If the temperature of the third storage chamber 6 among the third storage chamber 6 and the fourth storage chamber 8 is unsatisfactory and the fourth storage chamber damper 55 is opened, step S71 may be performed. If the temperature of the fourth storage chamber 8 is equal to or higher than the control temperature of the fourth storage chamber + the error temperature, the temperature of the fourth storage chamber 8 may be unsatisfactory. If the temperature of the third storage chamber 6 is less than the control temperature + error temperature of the fourth storage chamber, the control temperature of the third storage chamber, or the control temperature-error temperature of the third storage chamber, the temperature of the third storage chamber 6 is satisfied Lt; / RTI > In this case, the fourth storage chamber damper 54 can be opened and the air in the fourth storage chamber 8 is cooled in the third evaporator 33 and then supplied to the fourth storage chamber 8, And the temperature of the fourth storage chamber 8 can be gradually lowered. The temperature of the fourth storage chamber 8 can be gradually lowered with the elapse of time after the fourth storage chamber damper 54 is opened and the temperature of the fourth storage chamber 8 can be lower than the control temperature- At which time the temperature of the fourth storage chamber 8 may be satisfactory.

 The third cooling control S7 is performed after the fourth storage chamber damper 54 of the third storage chamber 6 and the fourth storage chamber 8 is opened and the fourth storage chamber 8 of the fourth storage chamber 8 and the fourth storage chamber 8 ) Is satisfied, steps S72 and S73 may be performed in which the fourth storage chamber damper 54 is closed. When the temperature of the fourth storage chamber 8 is changed to satisfactory after the fourth storage chamber damper 54 is opened, the fourth storage chamber damper 54 may be closed. The kimchi refrigerator can sense the temperature of the present third storage chamber 8 according to a signal output from the third storage chamber temperature sensor 63 when the fourth storage chamber damper 54 is closed.

 The third cooling control S7 is performed when the temperature of the third storage chamber 3 of the third storage chamber 6 and the fourth storage chamber 8 exceeds the control temperature-error temperature of the third storage chamber, (S74) (S75) may be performed. When the third storage chamber damper 53 is opened, the air in the third storage chamber 6 is cooled by the third evaporator 33 and then supplied to the third storage chamber 6 to cool the third storage chamber 6 , The temperature of the third storage chamber 6 can be gradually lowered. The third storage chamber 6 can be heated while the kimchi refrigerator is cooling the fourth storage chamber 8. If the temperature of the third storage chamber 6 is lowered after the cooling of the fourth storage chamber 8 is completed, Since the temperature of the third storage chamber 6 is unsatisfactory, the compressor 14 can be delayed as much as possible and the compressor 14 can be prevented from being turned on and off frequently. On the other hand, the temperature of the third storage chamber 6 is gradually lowered by the opening of the third storage chamber damper 53 and can be lowered below the control temperature-error temperature of the third storage chamber, and the temperature of the third storage chamber 6 is satisfied .

  If the temperature of the third storage chamber 6 among the third storage chamber 6 and the fourth storage chamber 8 is satisfied, the third cooling control S7 is performed so that the third storage chamber damper 53 is closed and the third evaporation fan Step S76 (S77) in which the first to third switches 33 to 33 are turned off can be performed. If the temperature of the third storage chamber 6 is satisfied, the temperature of the third storage chamber 6 is sufficiently lowered, so that the cooling of the third storage chamber 6 can be stopped. When the third evaporation fan 33 is turned off, the air in the third storage chamber 6 no longer flows into the third evaporator 33, and air can no longer be blown into the third storage chamber 6. As shown in FIG. 7, the temperature control method of the Kimchi refrigerator can control the Kimchi refrigerator according to the temperature of the first storage chamber 2 and the temperature of the second storage chamber 4.

 8, when the temperatures of both the third storage chamber 6 and the fourth storage chamber 8 are satisfied, the temperature of the first storage chamber 2 is lower than the temperature of the second storage chamber 4, It is possible to control the Kimchi refrigerator according to the temperature of the Kimchi refrigerator.

As shown in FIG. 8, when the steps S4 for cooling the third storage chamber 6 and the fourth storage chamber 8 together are completed, or as shown in FIG. 9, The steps S6 for successively cooling the third storage chamber 6 and the fourth storage chamber 8 in the order of the first storage chamber 6 and the fourth storage chamber 8 are completed or as shown in Figure 10, The temperature of the first storage compartment 2 and the temperature of the first storage compartment 6 are successively lowered in order of the first storage compartment 8 and the third storage compartment 6, It is possible to control the Kimchi refrigerator according to the temperature of the second storage chamber 4.

 The temperature control method of the Kimchi refrigerator is such that when the temperatures of both the first storage chamber 2 and the second storage chamber 4 are satisfied, at least one of the refrigerant control valves 18 and 20 is closed and the compressor 14 is stopped Steps S8, S9, and S10. In this case, the refrigerant no longer flows into the condenser 16, and the compressor 14 can be kept stationary. When the temperature of the storage room of at least one of the third storage compartment 6 and the fourth storage compartment 8 is not changed to the unsatisfactory condition, the Kimchi refrigerator can maintain the current state .

As shown in FIG. 7, the temperature of the kimchi refrigerator may be adjusted by adjusting the temperature of one of the first storage chamber 2 and the second storage chamber 4 to be unsatisfactory and the temperature of the first storage chamber 2 and the second storage chamber 4, (S12; hereinafter, referred to as " fourth storage chamber 2 ") in the order of the second storage chamber 4 and the first storage chamber 2, (Hereinafter referred to as " cooling control ") or successively cooling the first storage chamber 2 and the second storage chamber 4 in the order of the first storage chamber 2 and the second storage chamber 4 Quot; cooling control ").

  Each of the fourth cooling control S12 and the fifth cooling control S13 controls the cooling of at least one of the first storage chamber 2 and the second storage chamber 4 (S121) (S131) of turning on an evaporative fan for supplying air to one of the first storage room and the second storage room.

When the temperature of any one of the first storage chamber 2 and the second storage chamber 4 is satisfied, the fourth evaporation fan is turned off and the fourth evaporation fan is turned off, (S122) (S123) (S132) (S133) in which an evaporation fan for blowing air to another one of the first storage chamber 2 and the second storage chamber 4 is turned on. At this time, the Kimchi refrigerator can sense the temperature of the other one of the first storage room 2 and the second storage room 4.

Each of the fourth cooling control S12 and the fifth cooling control S13 is performed such that the temperature of the other one of the first storage chamber 2 and the second storage chamber 4 is lower than the temperature of the other one of the first storage chamber 2 and the second storage chamber 4 (S124) (S134) (S135) when the evaporating fan for blowing air to the other one of the first storage chamber 2 and the second storage chamber 4 is turned off .

11, the fourth cooling control S12 is performed when the temperature of the second storage chamber 4 of the first storage chamber 2 and the second storage chamber 4 is lower than the temperature of the second storage chamber 4 Is unsatisfactory and can be started when the temperature of the first storage chamber (2) is satisfied. If the temperature of the second storage chamber 4 is equal to or higher than the control temperature of the second storage chamber + the error temperature, the temperature of the second storage chamber 4 may be unsatisfactory. If the temperature of the first storage chamber 2 is less than the control temperature + error temperature of the first storage chamber, the control temperature of the first storage chamber, or the control temperature-error temperature of the first storage chamber, the temperature of the first storage chamber 2 is satisfied Lt; / RTI >

 The fourth cooling control S12 is performed when at least one of the refrigerant control valves 18 and 20 cools the second storage chamber 4 when the temperature of the second storage chamber 4 is unsatisfactory and the temperature of the first storage chamber 2 is satisfied (S121) of turning on the second evaporation fan (42) for supplying the refrigerant to the second evaporator (32) and for blowing air to the first storage room (2) and the second storage room (4) ) Can be performed. When the refrigerant is supplied to the second evaporator 32 and the second evaporation fan 42 is turned on, the air in the second storage chamber 4 can circulate through the second evaporator 32 and the second storage chamber 4 , The temperature of the second storage chamber 4 can be gradually lowered. The temperature of the second storage chamber 4 may be lower than the control temperature-error temperature of the second storage chamber. At this time, the temperature of the second storage chamber 4 may be satisfied.

When the temperature of the second storage chamber 4 of the first storage chamber 2 and the second storage chamber 4 is satisfied, the fourth cooling control S12 is performed such that the second evaporation fan 42 that has been turned on is turned off, The refrigerant control valves 18 and 20 supply the refrigerant to the first evaporator 31 that cools the first storage chamber 2 and the first storage chamber 2 and the second storage chamber 4 (S122) (S123) in which the first evaporating fan 41 for blowing air to the first evaporating fan 41 is turned on may be performed. At this time, the Kimchi refrigerator can sense the temperature of the first storage chamber 2 of the first storage chamber 2 and the second storage chamber 4. The kimchi refrigerator can sense the temperature of the present first storage room 2 according to a signal output from the first storage room temperature sensor 61 when the first evaporation fan 41 is on. When the temperature of the second storage chamber 4 is changed to a satisfactory level, the second evaporation fan 42 can be turned off, the refrigerant can flow to the first evaporator 31, Can be turned on. When the refrigerant is supplied to the first evaporator 31 and the first evaporation fan 41 is turned on, the air in the first storage chamber 2 can circulate through the first evaporator 31 and the first storage chamber 2 , The temperature of the first storage chamber 2 can be gradually lowered. The refrigerant flows into the first evaporator 31 of the first storage chamber 2 and the temperature of the first evaporator 31 is gradually lowered to be lower than the control temperature-error temperature of the first storage chamber 2 by turning on the first evaporation fan 41 .

The fourth cooling control S12 is performed when the temperature of the first storage chamber 2 of the first storage chamber 2 and the second storage chamber 4 is below the control temperature-error temperature of the first storage chamber 2, The first evaporation fan 41 for blowing air to the first storage compartment 2 of the first storage compartment 2 and the second storage compartment 4 is turned off may be performed at step S124. The Kimchi refrigerator can stop the cooling of the first storage chamber 2 because the temperature of the first storage chamber 2 is sufficiently lowered below the control temperature-error temperature of the first storage chamber 2. When the first evaporation fan 41 is turned off, the air in the first storage chamber 2 no longer flows into the first evaporator 31, the air can no longer be blown into the first storage chamber 2, The fourth cooling control S12 may be completed.

12, the fifth cooling control S13 is performed to determine whether the temperature of the first storage chamber 2 of the first storage chamber 2 and the second storage chamber 4 is lower than the temperature of the first storage chamber 2 Is unsatisfactory and the temperature of the second storage chamber (4) is satisfied. If the temperature of the first storage chamber 2 is higher than the control temperature of the first storage chamber + the error temperature, the temperature of the first storage chamber 2 may be unsatisfactory and the temperature of the second storage chamber 4 may be lower than the control temperature The temperature of the second storage chamber 4 may be satisfactory if it is less than the + error temperature, less than the control temperature of the second storage room, or less than the control temperature-error temperature of the second storage room.

 The fifth cooling control S13 is performed when the temperature of the first storage chamber 2 is unsatisfactory and the temperature of the second storage chamber 4 is satisfied and at least one of the refrigerant control valves 18 and 20 cools the first storage chamber 2 A step S131 of turning on the first evaporation fan 41 for supplying the refrigerant to the first evaporator 31 and for blowing air in the first storage room 2 of the first storage compartment 2 and the second storage compartment 3, Can be implemented. When the refrigerant is supplied to the first evaporator 31 and the first evaporation fan 41 is turned on, the air in the first storage chamber 2 can circulate through the first evaporator 31 and the first storage chamber 2 , The temperature of the first storage chamber 2 can be gradually lowered. The temperature of the first storage chamber 2 may drop below the control temperature-error temperature of the first storage chamber, and the temperature of the second storage chamber 2 may be satisfied at this time.

When the temperature of the first storage chamber 2 of the first storage chamber 2 and the second storage chamber 4 is satisfied, the fifth cooling control S13 is performed such that the first evaporation fan 41 that has been turned on is turned off, The refrigerant control valves 18 and 20 supply the refrigerant to the second evaporator 32 that cools the second storage chamber 4 and the second storage chamber 4 of the second storage chamber 2 and the second storage chamber 4 (S132) (S133) in which the second evaporation fan 42 for blowing air to the second evaporation fan 42 is turned on may be performed. At this time, the Kimchi refrigerator can sense the temperature of the second storage room 4 of the first storage room 2 and the second storage room 4. The Kimchi refrigerator can sense the temperature of the present second storage room 4 according to a signal output from the second storage room temperature sensor 62 when the second evaporation fan 42 is on. When the temperature of the first storage chamber 2 is changed to a satisfactory level, the first evaporation fan 41 can be turned off, the refrigerant can flow to the second evaporator 32, Can be turned on. When the refrigerant is supplied to the second evaporator 32 and the second evaporation fan 42 is turned on, the air in the second storage chamber 4 can circulate through the second evaporator 32 and the second storage chamber 4 , The temperature of the second storage chamber 4 can be gradually lowered. The temperature of the second storage chamber 4 is gradually lowered by the second evaporator 32 and the second evaporation fan 42 is turned on so that the temperature of the second storage chamber 4 is lowered below the control temperature-error temperature of the second storage chamber 4 .

The fifth cooling control S13 is performed when the temperature of the second storage chamber 4 of the first storage chamber 2 and the second storage chamber 4 is below the control temperature-error temperature of the second storage chamber 4, (S134) (S135) in which the second evaporation fan (42) for blowing air to the second storage chamber (4) of the first storage chamber (2) and the second storage chamber (4) is turned off may be performed. The Kimchi refrigerator can stop the cooling of the second storage chamber 4 because the temperature of the second storage chamber 4 is sufficiently lowered below the control temperature-error temperature of the second storage chamber 4. When the second evaporation fan 42 is turned off, the air in the second storage chamber 4 no longer flows into the second evaporator 32, the air can no longer be blown into the second storage chamber 3, The fifth cooling control S13 may be completed.

 On the other hand, the temperature control method of the Kimchi refrigerator is performed after the fourth cooling control S12 or the fifth cooling control S13, and the refrigerant regulating valves 18 and 20 are closed and the compressor 14 is stopped (S14) (S15). The refrigerant no longer flows into the condenser 16, and the compressor 14 can be kept stationary. When the compressor 14 is stopped, the condensing fan 17 may also be stopped. The Kimchi refrigerator can maintain its current state if the temperature of at least one of the third storage chamber 6 and the fourth storage chamber 8 is not changed to a state unsatisfactory.

2: first storage room 4: second storage room
6: third storage room 8: fourth storage room
10: Main body 18, 20: Refrigerant control valve
31: first evaporator 32: second evaporator
33: third evaporator 41: first evaporation fan
42: second evaporation fan 43: third evaporation fan
53: third storage room damper 54: fourth storage room damper

Claims (9)

A first evaporator and a first evaporator for cooling the first storage chamber;
A second evaporator and a second evaporator for cooling the second storage chamber;
A third evaporator and a third evaporator for cooling the third storage chamber and the fourth storage chamber;
At least one refrigerant regulating valve for regulating the refrigerant supplied to the first evaporator, the second evaporator and the third evaporator;
A third storage chamber damper for controlling the cool air supplied from the third evaporator to the third storage chamber;
A fourth storage chamber damper for controlling the cool air supplied from the third evaporator to the fourth storage chamber;
And a controller for controlling the first evaporation fan, the second evaporation fan, the third evaporation fan, the at least one coolant control valve, the third storage chamber damper, and the fourth storage chamber damper,
Wherein the controller is configured to determine whether any one of the third storage chamber and the fourth storage chamber is unsatisfactory in temperature and the temperature of the other one of the third storage chamber and the fourth storage chamber is satisfied, And the other storage room of the third storage room and the fourth storage room is cooled to a temperature lower than a control temperature-error temperature of the other one of the third storage room and the fourth storage room. A first evaporator and a first evaporator for cooling the first storage chamber;
A second evaporator and a second evaporator for cooling the second storage chamber;
A third evaporator and a third evaporator for cooling the third storage chamber and the fourth storage chamber;
At least one refrigerant regulating valve for regulating the refrigerant supplied to the first evaporator, the second evaporator and the third evaporator;
A third storage chamber damper for controlling the cool air supplied from the third evaporator to the third storage chamber;
A fourth storage chamber damper for controlling the cool air supplied from the third evaporator to the fourth storage chamber;
And a controller for controlling the first evaporation fan, the second evaporation fan, the third evaporation fan, the at least one coolant control valve, the third storage damper, and the fourth storage damper,
Wherein the control unit is configured to determine whether one of the first storage room and the second storage room is unsatisfactory in temperature and the temperature of the other storage room of the first storage room and the second storage room is satisfied, And cooling one of the first storage room and the second storage room to a temperature lower than a control temperature-error temperature of the other one of the first storage room and the second storage room. A first evaporator and a first evaporator for cooling the first storage chamber;
A second evaporator and a second evaporator for cooling the second storage chamber;
A third evaporator and a third evaporator for cooling the third storage chamber and the fourth storage chamber;
At least one refrigerant regulating valve for regulating the refrigerant supplied to the first evaporator, the second evaporator and the third evaporator;
A third storage chamber damper for controlling the cool air supplied from the third evaporator to the third storage chamber;
A fourth storage chamber damper for controlling the cool air supplied from the third evaporator to the fourth storage chamber;
And a controller for controlling the first evaporation fan, the second evaporation fan, the third evaporation fan, the at least one coolant control valve, the third storage damper, and the fourth storage damper,
Wherein the controller continuously cools the third storage compartment and the fourth storage compartment, and then continuously cools the first storage compartment and the second storage compartment. The first evaporator and the first evaporation fan cools the first storage chamber, the second evaporator and the second evaporation fan cools the second storage chamber, and the third evaporator and the third evaporation fan cools the third storage chamber and the fourth storage chamber At least one refrigerant control valve controls the refrigerant supplied to the first evaporator, the second evaporator and the third evaporator, the third storage chamber damper regulates cold air supplied from the third evaporator to the third storage chamber, A control method of a kimchi refrigerator for controlling a kimchi refrigerator in which a storage chamber damper interrupts cool air supplied from a third evaporator to a fourth storage chamber,
If at least one storage room temperature of the third storage room and the fourth storage room is unsatisfactory, at least one of the refrigerant control valves supplies the refrigerant to the third evaporator and the third evaporation fan is turned on;
If the temperature of one of the third storage chamber and the fourth storage chamber is unsatisfactory and the temperature of one of the third storage chamber and the fourth storage chamber is satisfactory, any one of the third storage chamber and the fourth storage chamber may be opened ;
Wherein when the temperature of one of the third storage room and the fourth storage room is satisfied after any one of the third storage room and the fourth storage room is opened, any one of the third storage room and the fourth storage room is closed Wow;
If the temperature of one of the third storage chamber and the fourth storage chamber exceeds the control temperature-error temperature of the other one of the third storage chamber and the fourth storage chamber, the other storage chamber damper of the third storage chamber and the fourth storage chamber is opened ;
And the other of the third storage chamber and the fourth storage chamber is closed and the third evaporation fan is turned off if the temperature of one of the third storage chamber and the fourth storage chamber is satisfied, Temperature control method. 5. The method of claim 4,
Wherein the at least one refrigerant control valve is closed and the compressor is stopped if the temperatures of both the one storage chamber and the second storage chamber are satisfied. The method according to claim 4 or 5,
If the temperature of one of the first storage chamber and the second storage chamber is unsatisfactory and the temperature of the other one of the first storage chamber and the second storage chamber is satisfied, at least one of the first and second storage chambers Turning on an evaporation fan for supplying the refrigerant to an evaporator for cooling one of the storage compartments and for blowing air to one of the first storage compartment and the second storage compartment;
Wherein the evaporating fan is turned off when at least one of the first storage chamber and the second storage chamber is at a temperature satisfactory, and at least one of the first and second storage chambers is an evaporator for cooling the other storage chamber of the first storage chamber and the second storage chamber, And an evaporating fan for blowing air to the other storage room of the first storage room and the second storage room is turned on;
If the temperature of one of the first storage chamber and the second storage chamber is lower than a control temperature-error temperature of the other one of the first storage chamber and the second storage chamber, air is blown into the other storage chamber of the first storage chamber and the second storage chamber And the evaporation fan is turned off. The method according to claim 6,
Further comprising the step of closing the refrigerant control valve and stopping the compressor. The first evaporator and the first evaporation fan cools the first storage chamber, the second evaporator and the second evaporation fan cools the second storage chamber, and the third evaporator and the third evaporation fan cools the third storage chamber and the fourth storage chamber The third storage chamber damper regulates the cool air supplied from the third evaporator to the third storage chamber, and the fourth storage chamber damper regulates the refrigerant supplied from the second evaporator to the second storage chamber, A control method of a kimchi refrigerator for controlling a kimchi refrigerator which intermittently controls cool air supplied from a third evaporator to a fourth storage chamber,
If the temperature of one of the first storage chamber and the second storage chamber is unsatisfactory and the temperature of the other one of the first storage chamber and the second storage chamber is satisfied, at least one of the first and second storage chambers Turning on an evaporation fan for supplying the refrigerant to an evaporator for cooling one of the storage compartments and for blowing air to one of the first storage compartment and the second storage compartment;
Wherein the evaporating fan is turned off when at least one of the first storage chamber and the second storage chamber is at a temperature satisfactory, and at least one of the first and second storage chambers is an evaporator for cooling the other storage chamber of the first storage chamber and the second storage chamber, And an evaporating fan for blowing air to the other storage room of the first storage room and the second storage room is turned on;
If the temperature of one of the first storage chamber and the second storage chamber is lower than a control temperature-error temperature of the other one of the first storage chamber and the second storage chamber, air is blown into the other storage chamber of the first storage chamber and the second storage chamber And the evaporation fan is turned off. 9. The method of claim 8,
Wherein the at least one refrigerant control valve is closed and the compressor is stopped.

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