JP2020112297A - refrigerator - Google Patents

Abstract

To provide a refrigerator which does not deteriorate convenience of a user by prioritizing other control when control for cooling an inside of a special cooling chamber such as, for example, a chilled room, and other control are selected at the same time.SOLUTION: A refrigerator in this embodiment comprises a special cooling chamber provided in the refrigerator, and control means for controlling cooling in the special cooling chamber. The control means can execute a normal cooling mode for cooling an inside of the special cooling chamber to a normal temperature zone, and a special cooling mode for cooling the inside of the special cooling chamber to a special cooling zone lower than the normal temperature zone in a strong cooling mode, as a cooling mode for cooling the inside of the special cooling chamber. When other control different from the special cooling mode during executing the special cooling mode is selected, execution of the special cooling mode is interrupted and the other control is executed. When the other control is completed, execution of the special cooling mode is restarted.SELECTED DRAWING: Figure 7

Description

This embodiment relates to a refrigerator.

Conventionally, there has been provided a refrigerator having a chilled chamber inside a refrigerating chamber (for example, refer to Patent Document 1).

JP, 2005-102320, A

By the way, the cooling mode in the cooling mode for cooling the inside of the special cooling chamber such as the chilled chamber in the refrigerator is other control, for example, the temporarily executed cooling mode such as the quick freezing mode for rapidly cooling the inside of the freezer. Are different cooling modes. Therefore, when the control for cooling the inside of the special cooling chamber and the other control are selected at the same time, it is necessary to sufficiently consider which control has priority in consideration of user convenience.

Therefore, in the present embodiment, when the control for cooling the inside of the special cooling chamber such as the chilled chamber and the other control are selected at the same time, the other control is prioritized, thereby impairing the convenience of the user. Providing a fridge that does not.

The refrigerator according to the present embodiment includes a special cooling chamber provided in a refrigerating chamber, and control means for controlling cooling of the special cooling chamber, and the control means is a cooling mode for cooling the special cooling chamber, It is possible to execute a normal cooling mode for cooling the special cooling chamber to a normal temperature zone, and a special cooling mode for cooling the special cooling chamber to a special temperature zone lower than a normal temperature zone in the normal cooling mode, When another control different from the special cooling mode is selected during execution of the special cooling mode, the execution of the special cooling mode is interrupted to execute the other control, and the special control is performed when the other control is ended. Resume execution of cooling mode.
Further, the refrigerator according to the present embodiment includes a special cooling chamber provided in a refrigerating chamber, and control means for controlling cooling of the special cooling chamber, the control means cooling mode for cooling the special cooling chamber. As a special cooling mode for cooling the special cooling chamber to a special temperature zone lower than the normal temperature zone in the normal cooling mode, it is possible to execute the special cooling mode, while the other control different from the special cooling mode is being executed. When the special cooling mode is selected, the execution of the special cooling mode is started after ending the other control.

Front view schematically showing a configuration example of a refrigerator according to the present embodiment A vertical sectional side view schematically showing a configuration example of a chilled chamber and its peripheral portion according to the present embodiment. The block diagram which shows roughly the structural example of the control system of the refrigerator which concerns on this embodiment. The figure which shows the control example of the special chilled mode which concerns on this embodiment in comparison with other control modes (the 1). The figure which shows roughly an example of the detection method of the temperature of the outside air of the refrigerator which concerns on this embodiment. The figure which shows the temperature change of the chilled room by the special chilled mode which concerns on this embodiment compared with the temperature change of the chilled room by other control modes. The figure which shows the operation example when the special chilled mode and other control modes according to the present embodiment are selected simultaneously (part 1). FIG. 2 is a diagram schematically showing an operation example when the special chilled mode according to the present embodiment and another control mode are simultaneously selected (No. 2). FIG. 3 is a diagram schematically showing an operation example in the case where the special chilled mode according to the present embodiment and another control mode are simultaneously selected (part 3). FIG. 4 is a diagram schematically showing an operation example when the special chilled mode according to the present embodiment and another control mode are simultaneously selected (Part 4). The figure which shows the control example of the special chilled mode which concerns on this embodiment in comparison with other control modes (the 2).

An embodiment of a refrigerator will be described below with reference to the drawings. The refrigerator 1 illustrated in FIG. 1 has a plurality of storage chambers inside a rectangular box-shaped heat insulating box 2 forming the outer shell thereof, in this case, a refrigerating room 3, a vegetable room 4, an ice making room 5, a small freezing room 6, A large freezer compartment 7 is provided. In this case, the refrigerating chamber 3 is provided at the top of the heat insulating box 2. The vegetable compartment 4 is provided below the refrigerator compartment 3. The ice making chamber 5 and the small freezing chamber 6 are provided side by side in the lower part of the vegetable chamber 4. The large freezing compartment 7 is provided below the ice making compartment 5 and the small freezing compartment 6, in other words, at the bottom of the heat insulation box 2. The heat insulating box body 2 has a structure in which a heat insulating material such as a vacuum heat insulating panel or urethane foam is provided between the inner box and the outer box. The plurality of storage chambers 3, 4, 5, 6, 7 are each opened and closed by a storage chamber door.

A chilled chamber 10, which is an example of a special cooling chamber, is provided inside the refrigerating chamber 3, in this case, at the bottom. Next, a configuration example of the chilled chamber 10 and its peripheral portion will be described. As illustrated in FIG. 2, a cold air duct 11 extending in the vertical direction is provided in the rear part of the refrigerating chamber 3. In the upper part of the cold air duct 11, a plurality of cold air outlets 11 a for a refrigerating compartment are provided. A cooling chamber 12 that bulges inside the refrigerating chamber 3 on the front side of the refrigerator 1 is provided below the cold air duct 11. The chilled chamber 10 is provided in the refrigerating chamber 3 in front of the cooling chamber 12.

A chilled room cold air outlet 12 a is provided in the upper part of the front surface of the cooling room 12. Further, a chilled room cold air suction port 12b is provided in the lower part of the front surface of the cooling room 12. The cold air outlet 12a for the chilled chamber is provided with a guide portion 12c that projects inside the chilled chamber 10, which is the front side of the refrigerator 1. The guide portion 12c is an example of a guide means, and in this case, the guide portion 12c is provided in a plate shape that is inclined downward toward the bottom surface in the chilled chamber 10. Further, the refrigerator 1 does not have dampers at the chilled room cold air outlet 12a and the chilled room cold air inlet 12b. The refrigerator 1 may be configured to include dampers at the chilled room cold air outlet 12a and the chilled room cold air inlet 12b.

A heat insulating material 12d made of, for example, urethane foam is attached to the inner surface of the cooling chamber 12. Further, in the cooling chamber 12, a cooler 13 that constitutes a refrigeration cycle for generating cool air, and a fan 14 that blows the cool air generated by the cooler 13 are provided. By driving the fan 14, the cool air generated by the cooler 13 is supplied from the cold air outlet 11a for the cold storage chamber of the cold air duct 11 into the cold storage chamber 3 and the cold air outlet for the chilled room of the cooling chamber 12 is provided. It is supplied into the chilled chamber 10 from 12a. At this time, the cool air blown by the fan 14 is guided from the chilled chamber cold air outlet 12a by the guide plate 12c and flows toward the bottom surface of the chilled chamber 10. Further, the cool air supplied into the chilled chamber 10 is sucked into the cooling chamber 12 from the chilled chamber cold air suction port 12b of the cooling chamber 12 by the blowing action of the fan 14.

In the refrigerator 1 according to the present disclosure, in the chilled chamber 10, a plurality of storage containers 21, 22 in this case are arranged vertically. These storage containers 21 and 22 can be separately put in and taken out from the chilled chamber 10 along the front-back direction of the refrigerator 1.

Next, a configuration example of the control system of the refrigerator 1 will be described. The control device 30 illustrated in FIG. 3 is an example of a control unit. The control device 30 is mainly composed of a microcomputer, for example, and controls the overall operation of the refrigerator 1 based on a control program and various setting contents. The fan 14 described above is connected to the control device 30. Further, an outside air temperature sensor 31, a chilled chamber temperature sensor 32, a display panel 33, a compressor 34 that constitutes a refrigeration cycle, and the like are connected to the control device 30.

The outside air temperature sensor 31 is an example of a temperature detection unit, and detects the temperature of a predetermined region related to the refrigerator 1. In the refrigerator 1 according to the present disclosure, the outside air temperature sensor 31 detects the temperature of the outside air of the refrigerator 1, that is, the temperature around the refrigerator 1, as the predetermined region related to the refrigerator 1. The outside air temperature sensor 31 may be provided at a portion of the refrigerator 1 where the temperature of the outside air can be detected, for example, on the outer surface of the heat insulating box 2. The chilled chamber temperature sensor 32 is provided, for example, inside the chilled chamber 10 and detects the temperature in the chilled chamber 10.

The display panel 33 is an example of notification means, and is provided, for example, on the front surface of the refrigerating compartment door that opens and closes the refrigerating compartment 3. The display panel 33 is configured to be able to display the selected control mode by, for example, character information or icon information. In addition, the display panel 33 includes, for example, a capacitance type touch switch, and also functions as an operation unit that receives a user's operation.

The compressor 34 constitutes a well-known refrigeration cycle for generating cool air together with the cooler 13 and the condenser (not shown) described above.

The control device 30 controls the driving of the fan 14, the compressor 34, and the like based on various setting contents input via the control program and the display panel 33, so that the inside of various storage rooms such as the refrigerating room 3 is controlled. Respectively to the set temperature. Then, the refrigerator 1 according to the present disclosure is particularly creatively devised for cooling control in the chilled chamber 10. Next, an example of cooling control in the chilled chamber 10 will be described in detail.

As a cooling mode for cooling the inside of the chilled chamber 10, the control device 30 is configured to be able to execute a plurality of types of cooling modes, in this case, at least a normal cooling mode, a strong cooling mode, and a special chilled mode.

The normal cooling mode is a cooling mode for cooling the inside of the chilled chamber 10 to a predetermined normal temperature zone. In addition, the normal temperature zone in the normal cooling mode can be appropriately changed and set.

The strong cooling mode is a cooling mode in which the inside of the chilled chamber 10 is cooled to a low temperature zone lower than the normal temperature zone in the normal cooling mode. The low temperature zone in the strong cooling mode can be appropriately changed and set in a temperature zone lower than the normal temperature zone in the normal cooling mode.

The special chilled mode is an example of a special cooling mode, and is a cooling mode that cools the inside of the chilled chamber 10 to a special temperature zone lower than the normal temperature zone in the normal cooling mode and the low temperature zone in the strong cooling mode. The special temperature zone in the special chilled mode can be appropriately changed and set in a temperature zone lower than the low temperature zone in the strong cooling mode.

Next, the strong cooling mode and the special chilled mode described above will be described with reference to FIG.

In the strong cooling mode, the cooling operation is started when the temperature in the chilled chamber 10 becomes equal to or higher than the predetermined start temperature regardless of the temperature RT of the outside air of the refrigerator 1, and when the temperature in the chilled chamber 10 becomes equal to or lower than the predetermined end temperature. This is the cooling mode in which the cooling operation is ended. In this case, 3.0° C. is set as an example of the predetermined start temperature, and 1.0° C. is set as an example of the predetermined end temperature. It should be noted that the predetermined start temperature and the predetermined end temperature in the strong cooling mode can be appropriately changed and set.

As described above, the starting condition of the cooling operation in the strong cooling mode is that the temperature in the chilled chamber 10 becomes equal to or higher than the predetermined starting temperature regardless of the temperature RT of the outside air of the refrigerator 1, and the cooling operation in the strong cooling mode. The end condition is that the temperature in the chilled chamber 10 becomes equal to or lower than a predetermined end temperature regardless of the temperature RT of the outside air of the refrigerator 1.

Further, in the strong cooling mode, when the temperature RT of the outside air of the refrigerator 1 is a predetermined low rank temperature, the rotation speed of the fan 14 is changed to a predetermined low rank rotation speed, and the temperature RT of the outside air of the refrigerator 1 is changed. When the temperature is the predetermined middle rank temperature, the rotation speed of the fan 14 is changed to the predetermined middle rank rotation speed, and when the outside air temperature RT of the refrigerator 1 is the predetermined high rank temperature, the rotation of the fan 14 is performed. This is a cooling mode in which the speed is changed to a predetermined high rank rotation speed. In this case, 1000 rpm is set as an example of the predetermined low rank rotation speed, 1500 rpm is set as an example of the predetermined middle rank rotation speed, and 2000 rpm is set as an example of the predetermined high rank rotation speed. The predetermined low rank rotation speed, the predetermined middle rank rotation speed, and the predetermined high rank rotation speed in the strong cooling mode can be appropriately changed and set.

As described above, the strong cooling mode is a cooling mode in which the rotation speed of the fan 14 is changed stepwise according to the temperature RT of the outside air of the refrigerator 1.

On the other hand, in the special chilled mode, the cooling operation in the special chilled mode is performed when the temperature RT of the outside air of the refrigerator 1 is a predetermined low rank temperature, a predetermined middle rank temperature, and a predetermined high rank temperature. The cooling mode changes the end condition of. Here, when the outside air temperature RT of the refrigerator 1 is a predetermined low rank temperature, it is an example of the first stage, and when the outside air temperature RT of the refrigerator 1 is a predetermined middle rank temperature, it is the second stage. It is an example of the third stage when the temperature RT of the outside air of the refrigerator 1 is a predetermined high rank temperature. That is, the third stage is when the outside air temperature RT of the refrigerator 1 is higher than the second stage and the first stage, and the second stage is when the outside air temperature RT of the refrigerator 1 is higher than the first stage. is there.

In addition, as illustrated in FIG. 5, when the temperature RT of the outside air of the refrigerator 1 is a predetermined low rank temperature, the temperature RT of the outside air rises from a temperature lower than, for example, 11° C. as illustrated by a symbol Ta. This is the case where the temperature RT of the outside air is, for example, 13° C. or less in the situation where the temperature is outside, and the temperature RT of the outside air is falling from a temperature higher than 13° C., for example, as illustrated by the symbol Tb. This is the case where the temperature RT of the outside air is, for example, 11° C. or higher. In this case, even if the outside air temperature RT rises from a temperature lower than 11° C. and fluctuates, the temperature is determined to be a low rank temperature. Further, when the outside air temperature RT fluctuates from a temperature higher than 13° C., for example, it is determined to be a medium rank temperature. Further, the case where the temperature RT of the outside air of the refrigerator 1 is a predetermined middle rank temperature means that when the temperature RT of the outside air rises from a temperature lower than, for example, 13° C. This is the case where the temperature RT is, for example, 26° C. or less, and in a situation where the temperature RT of the outside air falls from a temperature higher than, for example, 26° C. as illustrated by the symbol Td, the temperature RT of the outside air is, for example, 13° C. The above is the case. In this case, even if the outside air temperature RT fluctuates between 13° C. and 26° C., it is determined to be the medium rank temperature. Further, the case where the temperature RT of the outside air of the refrigerator 1 is a predetermined high rank temperature means that when the temperature RT of the outside air rises from a temperature lower than, for example, 26° C. This is the case where the temperature RT is, for example, 28° C. or lower, and when the temperature RT of the outside air falls from a temperature higher than, for example, 28° C. as exemplified by the symbol Tf, the temperature RT of the outside air is, for example, 26° C. The above is the case. In this case, even if the outside air temperature RT fluctuates from a temperature higher than 28° C., for example, it is determined to be a high rank temperature. Further, when the temperature RT of the outside air rises and changes from a temperature lower than 26° C., for example, it is determined to be a medium rank temperature.

That is, in a situation where the outside air temperature RT is rising, when the outside air temperature RT is, for example, 13° C. or lower, it is determined as a low rank temperature, and when the outside air temperature RT is, for example, 26° C. or less, It is determined to be a medium rank temperature, and if the outside air temperature RT is, for example, 28° C. or lower, it is determined to be a high rank temperature. Further, in a situation where the temperature RT of the outside air is decreasing, when the temperature RT of the outside air is, for example, 11° C. or higher, it is determined as a low rank temperature, and when the temperature RT of the outside air is, for example, 13° C. or more, It is determined to be a medium rank temperature, and when the temperature RT of the outside air is, for example, 26° C. or higher, it is determined to be a high rank temperature.

That is, the control device 30 changes the ending condition for ending the cooling operation in the special chilled mode based on the comparison with the different reference temperatures when the temperature RT of the outside air of the refrigerator 1 rises and when it falls. Has become. It should be noted that the plurality of reference temperatures illustrated in FIG. 5 are merely examples, and can be appropriately changed and set according to, for example, the model of the refrigerator 1, the capacity of the refrigerator compartment 3, the capacity of the chilled compartment 10, and the like.

When the temperature RT of the outside air of the refrigerator 1 is a predetermined low rank temperature, the cooling operation in the special chilled mode is started when the temperature inside the chilled chamber 10 becomes equal to or higher than the predetermined start temperature, and the inside of the chilled chamber 10 is cooled. When the temperature becomes equal to or lower than the predetermined end temperature, the cooling operation in the special chilled mode is ended. In this case, 3.0° C. is set as an example of the predetermined start temperature, and −1.0° C. is set as an example of the predetermined end temperature. It should be noted that the predetermined start temperature and the predetermined end temperature of the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined low rank temperature can be appropriately changed and set.

As described above, the start condition of the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined low rank temperature is that the temperature in the chilled chamber 10 is equal to or higher than the predetermined start temperature, The condition for ending the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined low rank temperature is that the temperature in the chilled chamber 10 is equal to or lower than the predetermined end temperature.

Further, when the temperature RT of the outside air of the refrigerator 1 is a predetermined middle rank temperature, when the temperature inside the chilled chamber 10 becomes equal to or higher than a predetermined start temperature, the cooling operation in the special chilled mode is started, and the inside of the chilled chamber 10 is cooled. When the temperature becomes equal to or lower than the predetermined end temperature, the cooling operation in the special chilled mode is ended. In this case, 3.0° C. is set as an example of the predetermined start temperature, and −2.0° C. is set as an example of the predetermined end temperature. It should be noted that the predetermined start temperature and the predetermined end temperature of the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined middle rank temperature can be appropriately changed and set.

As described above, the start condition of the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined middle rank temperature is that the temperature in the chilled chamber 10 is equal to or higher than the predetermined start temperature, The condition for ending the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined middle rank temperature is that the temperature in the chilled chamber 10 is equal to or lower than the predetermined end temperature.

When the temperature RT of the outside air of the refrigerator 1 is a predetermined high rank temperature, the cooling operation in the special chilled mode is started when the temperature inside the chilled chamber 10 becomes equal to or higher than the predetermined start temperature, and the inside of the chilled chamber 10 is cooled. When the temperature becomes equal to or lower than the predetermined end temperature, the cooling operation in the special chilled mode is ended. In this case, 3.0° C. is set as an example of the predetermined start temperature, and 0.0° C. is set as an example of the predetermined end temperature. The predetermined start temperature and the predetermined end temperature of the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined high rank temperature can be appropriately changed and set.

As described above, the start condition of the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined high rank temperature is that the temperature in the chilled chamber 10 is equal to or higher than the predetermined start temperature, The condition for ending the cooling operation in the special chilled mode when the temperature RT of the outside air of the refrigerator 1 is the predetermined high rank temperature is that the temperature in the chilled chamber 10 is equal to or lower than the predetermined end temperature.

Further, according to the special chilled mode, the same temperature as the predetermined start temperature for starting the cooling operation, in this case, 3.0° C. is set regardless of the temperature RT of the outside air of the refrigerator 1. In the special chilled mode, the predetermined start temperature for starting the cooling operation may be changed according to the temperature RT of the outside air of the refrigerator 1.

Further, according to the special chilled mode, the predetermined end temperature for ending the cooling operation is changed according to the temperature RT of the outside air of the refrigerator 1. In the special chilled mode, the same temperature may be set as the predetermined end temperature for ending the cooling operation regardless of the temperature RT of the outside air of the refrigerator 1. Further, in the special chilled mode, the temperature lower than the predetermined end temperature of the cooling operation in the strong cooling mode is set as the predetermined end temperature for ending the cooling operation regardless of the temperature RT of the outside air of the refrigerator 1. There is.

In the special chilled mode, the rotation speed of the fan 14 is driven at a constant rotation speed regardless of the temperature RT of the outside air of the refrigerator 1. In this case, 900 rpm is set as the constant rotation speed. That is, the control device 30 makes the rotation speed of the fan 14 in the special chilled mode lower than the rotation speed of the fan 14 in the strong cooling mode.

As described above, the control device 30 changes the ending condition for ending the cooling operation in the special chilled mode in three stages of the first stage, the second stage, and the third stage according to the temperature RT of the outside air of the refrigerator 1. Then, the temperature in the chilled chamber 10 set as the ending condition of the cooling operation in the second stage, in this case, −2.0° C. is the temperature in the chilled chamber 10 set as the ending condition of the cooling operation in the first stage. Temperature, in this case below -1.0°C. Further, the temperature in the chilled chamber 10 set as the ending condition of the cooling operation in the third stage, in this case, 0.0° C. is the temperature in the chilled chamber 10 set as the ending condition of the cooling operation in the second stage. , In this case, it is higher than -2.0°C.

Further, the control device 30 is further configured to be able to execute the moisture mode. The moisturizing mode is a control mode in which moisture is supplied into the chilled chamber 10, and in this case, the frost attached to the cooler 13 is blown away by the blowing action of the fan 14 and is supplied into the chilled chamber 10. .. Then, the control device 30 makes the rotation speed of the fan 14 in the moisture mode higher than the rotation speed of the fan 14 in the special chilled mode, in this case, 900 rpm. In this case, the control device 30 sets the rotation speed of the fan 14 in the moisture mode at, for example, 1800 rpm.

The start condition for starting the operation in the moisture mode and the end condition for ending the operation can be appropriately changed and set. For example, the start condition for starting the operation in the moisturizing mode is that when the temperature RT of the outside air of the refrigerator 1 is equal to or higher than a predetermined temperature, or if the humidity detected by a humidity sensor (not shown) is lower than or equal to the predetermined humidity, It can be set when the start of the mode is input. In addition, the end condition for ending the operation in the moisture mode is that the temperature of the outside air RT of the refrigerator 1 becomes a predetermined temperature or lower, or the humidity detected by a humidity sensor (not shown) becomes a predetermined humidity or higher It is possible to set the case where the end of the mode is input.

In addition, as illustrated in FIG. 6, the control device 30 controls the start condition, the end condition, the rotation speed of the fan 14, the output of the compressor 34, and the like of the special chilled mode as described above, so that the control device 30 operates in the special chilled mode. The temperature TP in the chilled chamber 10 is made to fall more gently than the temperature TQ in the chilled chamber 10 in the strong cooling mode. Further, the control device 30 controls the temperature TP in the chilled chamber 10 in the special chilled mode by controlling the start condition, the end condition, the rotation speed of the fan 14, the output of the compressor 34, etc. of the special chilled mode as described above. The temperature TQ in the chilled chamber 10 in the strong cooling mode is gradually raised. The output control of the compressor 34 may be controlled by appropriately switching the output level in multiple stages such as low output, medium output, and high output.

Further, when the special chilled mode and another control mode different from the special chilled mode are simultaneously selected, the control device 30 is configured to operate as follows, for example. In the following description, the quick refrigerating mode, the thawing mode, and the quick freezing mode, which are illustrated as other control modes, are control modes that are temporarily executed when the mode is selected. On the other hand, the special chilled mode is a control mode which, once selected, is continuously or permanently executed over a certain long time. That is, the control device 30 is configured to make the execution time of the special chilled mode longer than the execution time of other control modes. In addition, the selection of the special chilled mode and other control modes can be made based on, for example, an operation input by the user via the operation unit provided in the refrigerator 1, and the control program and various setting contents. It is also possible for the control device 30 to make a selection based on The operation unit of the refrigerator 1 is provided, for example, on the front surface of the storage compartment door, in this case, on the front surface of the refrigeration compartment door that opens and closes the refrigeration compartment 3.

(When the quick refrigeration mode is selected during execution of the special chilled mode)
Hereinafter, a case where the quick refrigerating mode is selected as another control mode different from the special chilled mode during execution of the special chilled mode will be described. The quick refrigeration mode is a control mode in which the inside of the refrigeration chamber 3 is rapidly cooled by increasing the rotation speed of the fan 14 and the output of the compressor 34. According to this rapid refrigerating mode, the inside of the chilled chamber 10 provided in the refrigerating chamber 3 can be indirectly cooled as the inside of the refrigerating chamber 3 is rapidly cooled. That is, this rapid refrigeration mode is also a cooling mode for cooling the inside of the chilled chamber 10. In this case, the execution time of the quick refrigeration mode is set to 2 hours.

As illustrated in FIG. 7, when the special chilled mode is selected in a state where no other control mode is selected, the control device 30 starts execution of the special chilled mode. As a result, the inside of the chilled chamber 10 is cooled to a special level for chilling, and is cooled to a low temperature of, for example, about 1.0°C. Further, the control device 30 displays on the display panel 33 character information or icon information indicating that the special chilled mode is selected.

Then, when the quick refrigeration mode is selected during execution of the special chilled mode, the control device 30 interrupts execution of the special chilled mode and starts execution of the quick refrigeration mode. As a result, the inside of the refrigerating chamber 3 is cooled to a high level for refrigeration, and is cooled to a low temperature of, for example, about 1.0°C. Further, the control device 30 displays the character information or icon information indicating that the special chilled mode is selected on the display panel 33, and the character information or icon information indicating that the quick refrigeration mode is selected. Is displayed on the display panel 33. That is, the control device 30 displays information indicating that the special chilled mode is selected and the rapid refrigeration mode is selected during the execution of the quick refrigeration mode via the display on the display panel 33. To inform.

And control device 30 will restart execution of special chilled mode, if quick refrigeration mode is completed. As a result, the inside of the chilled chamber 10 is cooled to a special level for chilling, and is cooled to a low temperature of, for example, about 1.0°C. Further, the control device 30 stops displaying the character information or the icon information indicating that the quick refrigeration mode is selected, and displays the character information or icon information indicating that the special chilled mode is selected. It is displayed on the panel 33.

(When decompression mode is selected during execution of special chilled mode)
Hereinafter, a case where the decompression mode is selected as another control mode different from the special chilled mode during execution of the special chilled mode will be described. The thawing mode is a control mode for thawing the stored material in the chilled chamber 10 by stopping or weakening the cooling in the chilled chamber 10. This thawing mode is a control mode in which the temperature inside the chilled chamber 10 rises as the cooling inside the chilled chamber 10 is stopped or weakened. Further, in this case, the execution time of the decompression mode is set to 1 hour.

As illustrated in FIG. 8, when the special chilled mode is selected in a state where no other control mode is selected, the control device 30 starts execution of the special chilled mode. As a result, the inside of the chilled chamber 10 is cooled to a special level for chilling, and is cooled to a low temperature of, for example, about 1.0°C. Further, the control device 30 displays on the display panel 33 character information or icon information indicating that the special chilled mode is selected.

Then, when the decompression mode is selected during execution of the special chilled mode, the control device 30 suspends execution of the special chilled mode and starts execution of the decompression mode. As a result, the cooling inside the chilled chamber 10 is stopped or weakened, and the temperature inside the chilled chamber 10 rises to, for example, about 6.0°C. Further, the control device 30 displays character information or icon information indicating that the special chilled mode is selected on the display panel 33, and displays character information or icon information indicating that the decompression mode is selected. It is displayed on the display panel 33. That is, the control device 30 informs the user via the display of the display panel 33 that the special chilled mode is selected and the quick refrigeration mode is selected during the execution of the defrosting mode. Notify me.

Then, when ending the decompression mode, the control device 30 restarts the execution of the special chilled mode. As a result, the inside of the chilled chamber 10 is cooled to a special level for chilling, and is cooled to a low temperature of, for example, about 1.0°C. Further, the control device 30 stops displaying the character information or icon information indicating that the decompression mode is selected, and displays the character information or icon information indicating that the special chilled mode is selected on the display panel. 33.

(When the quick freezing mode is selected during execution of the special chilled mode)
Hereinafter, a case where the quick freezing mode is selected as another control mode different from the special chilled mode during execution of the special chilled mode will be described. The quick freezing mode is a control mode in which the inside of the freezing compartment 7 is rapidly cooled by increasing the rotation speed of a refrigerating fan (not shown) and the output of the compressor 34 to enhance the cooling action of the cooler for refrigerating (not shown). .. The execution time of the quick freezing mode is set to 3 hours in this case.

As illustrated in FIG. 9, when the special chilled mode is selected in a state where no other control mode is selected, the control device 30 starts execution of the special chilled mode. As a result, the inside of the chilled chamber 10 is cooled to a special level for chilling, and is cooled to a low temperature of, for example, about 1.0°C. Further, the control device 30 displays on the display panel 33 character information or icon information indicating that the special chilled mode is selected.

Then, when the quick freezing mode is selected during execution of the special chilled mode, the control device 30 interrupts execution of the special chilled mode and starts execution of the quick freezing mode. As a result, the inside of the freezing compartment 7 is cooled to a high level for freezing, and at this time, the inside of the refrigerating compartment 3 is maintained at a temperature of, for example, about 3.0° C. or about 4.0° C. Further, the control device 30 displays the character information or icon information indicating that the special chilled mode is selected on the display panel 33, and the character information or icon information indicating that the quick freezing mode is selected. Is displayed on the display panel 33. That is, the control device 30 displays information indicating that the special chilled mode is selected and the quick refrigeration mode is selected during the execution of the quick freezing mode via the display on the display panel 33. To inform.

Then, when the quick freezing mode ends, the control device 30 restarts the execution of the special chilled mode. As a result, the inside of the chilled chamber 10 is cooled to a special level for chilling, and is cooled to a low temperature of, for example, about 1.0°C. Further, the control device 30 stops displaying the character information or icon information indicating that the quick freezing mode is selected, and displays the character information or icon information indicating that the special chilled mode is selected. It is displayed on the panel 33.

(When special chilled mode is selected during execution of quick freezing mode)
Hereinafter, a case where the special chilled mode is selected during execution of the quick freezing mode, which is an example of another control mode different from the special chilled mode, will be described.

As illustrated in FIG. 10, when the quick freeze mode is selected in a state where the special chilled mode is not selected, the control device 30 starts execution of the quick freeze mode. As a result, the inside of the freezing compartment 7 is cooled to a high level for freezing, and at this time, the inside of the refrigerating compartment 3 is maintained at a temperature of, for example, about 3.0° C. or about 4.0° C. The control device 30 also displays on the display panel 33 character information or icon information indicating that the quick freezing mode is selected.

When the special chilled mode is selected during execution of the quick freezing mode, the control device 30 continues execution of the quick refrigeration mode without starting the special chilled mode. At this time, the control device 30 displays the character information or icon information indicating that the special chilled mode is selected on the display panel 33, and the character information or icon information indicating that the quick freezing mode is selected. Are displayed on the display panel 33. In other words, the control device 30 displays information indicating that the special chilled mode is selected and that the quick freezing mode is selected during execution of the quick freezing mode via the display on the display panel 33. To inform.

And control device 30 will start execution of special chilled mode, if quick refrigeration mode is completed. As a result, the inside of the chilled chamber 10 is cooled to a special level for chilling, and is cooled to a low temperature of, for example, about 1.0°C. Further, the control device 30 stops displaying the character information or icon information indicating that the quick freezing mode is selected, and displays the character information or icon information indicating that the special chilled mode is selected. It is displayed on the panel 33.

Further, according to the verification result by the inventor of the present application, it has been confirmed that the special chilled mode described above significantly increases the umami component of the stored material in the chilled chamber 10, for example, meat. Specifically, it has been confirmed that when meat is stored in the chilled chamber 10 and the above special chilled mode is continued for 7 days, the amount of glutamic acid contained in the meat is increased by about 36%.

According to the refrigerator 1 of the present disclosure, the temperature at which the cooling of the chilled chamber 10 is stopped in the special chilled mode is set to a temperature lower than the temperature at which the cooling of the chilled chamber 10 is stopped in the strong cooling mode. According to such a special chilled mode, the inside of the chilled chamber 10 can be cooled to a temperature lower than that in the conventional strong cooling mode, and fresh foods such as meat can be appropriately cooled.

Moreover, according to the refrigerator 1, the temperature in the chilled chamber 10 in the special chilled mode can be lowered more gently than the temperature in the chilled chamber 10 in the conventional strong cooling mode. Therefore, when the temperature of the stored item in the chilled chamber 10 decreases, the temperature decrease can be moderated and the stored item can be prevented from being damaged due to the temperature decrease.

Further, according to the refrigerator 1, the temperature in the chilled chamber 10 in the special chilled mode can be raised more gently than the temperature in the chilled chamber 10 in the conventional strong cooling mode. Therefore, when the temperature of the stored product in the chilled chamber 10 rises, the temperature rise can be moderated and the stored product can be prevented from being damaged due to the temperature rise.

Further, according to the refrigerator 1, the rotation speed of the fan 14 in the special chilled mode is lower than the rotation speed of the fan 14 in the strong cooling mode. According to such a special chilled mode, it is possible to reduce the momentum of the cool air blown to the stored items in the chilled chamber 10, and it is possible to prevent the stored items from being damaged by cooling.

Further, according to the refrigerator 1, in the conventional strong cooling mode, the rotation speed of the fan 14 is changed according to the temperature of the outside air of the refrigerator 1, whereas in the special chilled mode, regardless of the temperature of the outside air of the refrigerator 1. The fan 14 is driven at a constant rotation speed. That is, if the rotation speed of the fan 14 is too high, it may be difficult for cold air to enter the chilled chamber 10. Therefore, by setting the rotation speed of the fan 14 in the special chilled mode to a constant rotation speed irrespective of the temperature of the outside air of the refrigerator 1, the inside of the chilled chamber 10 can be heated regardless of the temperature of the outside air of the refrigerator 1. It is possible to satisfactorily supply cold air.

Further, according to the refrigerator 1, the cool air blown by the fan 14 is guided to the bottom surface of the chilled chamber 10 by the guide portion 12c. With this configuration, it is possible to efficiently supply the cool air toward the bottom surface of the chilled chamber 10 in which the stored material is placed, and to further cool the stored material.

Further, according to the refrigerator 1, the rotation speed of the fan 14 in the moisture mode is set higher than the rotation speed of the fan 14 in the special chilled mode. That is, by setting the rotation speed of the fan 14 in the moisture mode to a certain high rotation speed, the frost adhering to the cooler 13 can be efficiently blown off and supplied into the chilled chamber 10, and the chilled chamber 10 inside It can maintain sufficient humidity.

Further, according to the refrigerator 1, when another control mode different from the special chilled mode is selected during execution of the special chilled mode, execution of the special chilled mode is interrupted and another control mode is executed. When the control mode of is ended, execution of the special chilled mode is restarted. Further, according to the refrigerator 1, when the special chilled mode is selected during execution of another control mode different from the special chilled mode, the execution of the special chilled mode is started after ending the other control mode. That is, according to the refrigerator 1, when the special chilled mode for cooling the inside of the chilled chamber 10 and the other control mode are simultaneously selected, the other control mode is prioritized.

Here, the special chilled mode is a control mode which, once selected, is continuously or permanently executed over a certain long time. On the other hand, the other control mode is a control mode that is temporarily executed when selected. Therefore, when the special chilled mode and another control mode are selected at the same time, by giving priority to the execution of the control mode that is temporarily executed, the other chilled mode is set after the other control mode is completed. It can be executed, and it is possible to prevent the convenience of the user from being impaired.

The rapid refrigeration mode, which is an example of another control mode, is also a cooling mode for cooling the inside of the chilled chamber 10. Therefore, the inside of the chilled chamber 10 can be cooled even while the other control modes are being executed, and the temperature of the stored matter in the chilled chamber 10 can be prevented from rising.

A defrosting mode, which is an example of another control mode, is a control mode in which the temperature inside the chilled chamber 10 rises. Therefore, by preferentially executing such a control mode and then executing the special chilled mode, it is possible to cool the inside of the chilled chamber 10 favorably while suppressing the temperature rise.

Further, the refrigerator 1 informs that the special chilled mode is selected and that another control mode is selected while the other control mode is being executed. With this configuration, the user can confirm that the special chilled mode is in the standby state, and the user can perform unnecessary operations such as an operation for reselecting the special chilled mode. Can be suppressed.

Further, according to the refrigerator 1, the execution time of the special chilled mode is set longer than the execution times of the other control modes. That is, the special chilled mode is a control mode that is continuously or permanently executed over a certain long time. Therefore, by setting the priority of such a special chilled mode lower than the priority of other control modes, it is possible to give priority to the execution of other control modes that are temporarily requested to be executed. It is possible to prevent the convenience of the item from being impaired.

Further, according to the refrigerator 1, in this case, the ending condition for ending the special chilled mode is changed according to the temperature of the outside air of the refrigerator 1. Here, the higher the temperature of the outside air, the smoother the compressor 34 of the refrigeration cycle that generates the cool air operates, so that the inside of the chilled chamber 10 may be cooled more than necessary and the stored material may be frozen. .. On the other hand, the lower the temperature of the outside air, the easier the inside of the chilled chamber 10 is cooled, so that the inside of the chilled chamber 10 may be cooled more than necessary and the stored material may be frozen. Therefore, by changing the termination condition for terminating the special chilled mode according to the temperature of the outside air of the refrigerator 1, it is possible to prevent the inside of the chilled chamber 10 from being cooled more than necessary.

Further, according to the refrigerator 1, in the second step, that is, when the temperature of the outside air of the refrigerator 1 is the predetermined middle rank temperature, the temperature in the chilled chamber 10 set as the ending condition of the special chilled mode is In the stage, that is, the temperature of the outside air of the refrigerator 1 is set to be lower than the temperature in the chilled chamber 10 set as the termination condition of the special chilled mode when the temperature of the outside air is a predetermined low rank temperature. In addition, the third stage, that is, the temperature in the chilled chamber 10 set as the ending condition of the special chilled mode when the temperature of the outside air of the refrigerator 1 is a predetermined high rank temperature, the second stage, that is, the refrigerator 1 The temperature of the outside air is higher than the temperature in the chilled chamber 10 set as the ending condition of the special chilled mode when the temperature is the predetermined middle rank temperature.

That is, according to the refrigerator 1, when the temperature of the outside air of the refrigerator 1 is the predetermined middle rank temperature, the temperature of the ending condition of the special chilled mode is the temperature of the outside air of the refrigerator 1 is the predetermined low rank temperature. It is lower than the temperature of the special chilled mode end condition and the temperature of the special chilled mode end condition when the temperature of the outside air of the refrigerator 1 is a predetermined low rank temperature.

Therefore, when the temperature of the outside air of the refrigerator 1 is a predetermined low rank temperature, and when the temperature of the outside air of the refrigerator 1 is a predetermined high rank temperature, the outside air temperature of the refrigerator 1 is a predetermined middle rank temperature. The special chilled mode is ended when the temperature in the chilled chamber 10 is higher than that in the above case. Therefore, it is possible to prevent the inside of the chilled chamber 10 from being cooled more than necessary.

On the other hand, when the temperature of the outside air of the refrigerator 1 is a predetermined middle rank temperature, when the temperature of the outside air of the refrigerator 1 is a predetermined low rank temperature, and when the temperature of the outside air of the refrigerator 1 is a predetermined high rank temperature. It is less necessary to worry that the inside of the chilled chamber 10 will be cooled more than necessary, as compared with the above case. Therefore, when the temperature of the outside air of the refrigerator 1 is a predetermined middle rank temperature, when the temperature of the outside air of the refrigerator 1 is a predetermined low rank temperature, and when the temperature of the outside air of the refrigerator 1 is a predetermined high rank temperature. As compared with the above case, the temperature in the chilled chamber 10 can be kept low, and the stored material in the chilled chamber 10 can be cooled in a favorable state.

Further, according to the refrigerator 1, depending on whether the temperature of the outside air of the refrigerator 1 rises or falls, the ending condition for ending the special chilled mode is changed based on comparison with different reference temperatures. That is, according to the refrigerator 1, the ending condition of the special chilled mode is changed based on the comparison between the temperature range having a certain temperature range and the temperature of the outside air of the refrigerator 1. Therefore, the termination condition of the special chilled mode can be determined while flexibly responding to the temperature of the outside air of the refrigerator 1.

The present embodiment is not limited to the above-described one embodiment, and various modifications and expansions can be made without departing from the gist of the present embodiment. For example, the refrigerator 1 is not limited to the one that detects the temperature of the outside air as the temperature of the predetermined region related to the refrigerator 1, and for example, the temperature in the storage room, a machine room (not shown) in which the control device 30 and the compressor 34 are provided. It may be configured to detect the temperature such as, the temperature inside the cooling chamber 12, and the like.

Further, as illustrated in FIG. 11, the control device 30 may be configured to change the start condition for starting the cooling operation in the special chilled mode according to the temperature of the predetermined region related to the refrigerator 1. Even when the start condition is changed, similarly to the end condition, the temperature in the chilled chamber 10 set as the start condition in the second stage is set to the temperature in the chilled chamber 10 set as the start condition in the first stage. It should be lower than. Further, the temperature in the chilled chamber 10 set as the starting condition in the third stage may be higher than the temperature in the chilled chamber 10 set as the starting condition in the second stage. Further, the control device 30 may be configured such that the start condition for starting the cooling operation in the special chilled mode is changed and the end condition for ending the cooling operation is not changed according to the temperature of the predetermined region related to the refrigerator 1. Good.

Further, the other control modes are not limited to the plurality of control modes illustrated in the above-described embodiment, and various control modes can be adopted as long as they are control modes applicable to the refrigerator 1.

Further, the special cooling chamber is not limited to the chilled chamber, and may be another cooling chamber. Further, the position where the special cooling chamber is provided is not limited to the bottom portion in the refrigerating compartment 3, and may be appropriately changed, for example, in the upper portion or side portion in the refrigerating compartment 3 or inside another storage compartment. Can be implemented.

Further, in the special chilled mode, the control device 30 is configured to change the rotation speed of the fan 14 according to the temperature of the predetermined region related to the refrigerator 1 at a rotation speed lower than the rotation speed of the fan 14 in the strong cooling mode. You may. Further, the control device 30 may change the ending condition for ending the cooling operation in the special chilled mode in four or more stages in accordance with the temperature RT of the outside air of the refrigerator 1. Further, the control device 30 may change the start condition for starting the cooling operation in the special chilled mode in a plurality of stages of four stages or more in accordance with the temperature RT of the outside air of the refrigerator 1.

Although a plurality of embodiments of the present invention have been described above, this embodiment is presented as an example and is not intended to limit the scope of the invention. The novel embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. The present embodiment and its modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the scope equivalent thereto.

In the drawings, 1 is a refrigerator, 3 is a refrigerating room, 10 is a chilled room (special cooling room), 12c is a guide part (guide means), 14 is a fan, 30 is a control device (control means), 31 is an outside air temperature sensor ( Reference numeral 33 denotes a display panel (notifying means).

Claims (6)

A special cooling room provided in the refrigeration room,
Control means for controlling the cooling of the special cooling chamber,
Equipped with
The control means is
As a cooling mode for cooling the special cooling chamber,
A normal cooling mode for cooling the special cooling chamber to a normal temperature zone,
A special cooling mode for cooling the special cooling chamber to a special temperature zone lower than the normal temperature zone in the normal cooling mode,
Is feasible,
When another control different from the special cooling mode is selected during the execution of the special cooling mode, the execution of the special cooling mode is interrupted, the other control is executed, and the other control is ended. Refrigerator restarts execution of special cooling mode. A special cooling room provided in the refrigeration room,
Control means for controlling the cooling of the special cooling chamber,
Equipped with
The control means is
As a cooling mode for cooling the special cooling chamber,
A normal cooling mode for cooling the special cooling chamber to a normal temperature zone,
A special cooling mode for cooling the special cooling chamber to a special temperature zone lower than the normal temperature zone in the normal cooling mode,
Is feasible,
A refrigerator that starts execution of the special cooling mode after ending the other control when the special cooling mode is selected during execution of another control different from the special cooling mode. The refrigerator according to claim 1, wherein the other control is a cooling mode for cooling the special cooling chamber. The refrigerator according to claim 1, wherein the other control is a control for increasing the temperature in the special cooling chamber. 5. Any one of claims 1 to 4 further comprising a notifying means for notifying that the special cooling mode is selected and the other control is selected during execution of the other control. Refrigerator described. The refrigerator according to any one of claims 1 to 5, wherein the control means makes the execution time of the special cooling mode longer than the execution time of the other control.

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