JP2010038449A - Refrigerator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To obtain a refrigerator comprehensively determining the operating load state of the refrigerator based on the operating state of a compressor, set temperature of each storage compartment or the like and informing a user of the more accurate operating state of the refrigerator by displaying the comprehensive determination. <P>SOLUTION: In S1, based on the set temperature of each storage compartment, a load level A is calculated. After the load level calculation in S1-S5 is performed, the total of the load levels A-E is calculated as a load level α in the refrigerator (S6). When the load level α is 3 or larger, it is determined that the operating load state is "large" (S13). <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a refrigerator that displays an operation load state.

  Conventionally, in a refrigerator equipped with a variable speed compressor, the display unit for displaying the internal temperature of the refrigerator can display each stage indicating the compressor speed, and the compressor speed is high. In such a case, the user refrained from opening and closing the door to reduce power consumption. (For example, see Patent Document 1)

  Further, in a refrigerator equipped with a means for counting the compressor operation time during a predetermined time (for example, 24 hours), a pre-stored image is displayed when the compressor operation time exceeds a certain time. By displaying on the section, it was possible to notify the user how much the compressor was operating. (For example, see Patent Document 2)

WO2005 / 026632 (page 13, FIG. 4) JP 2000-329450 A (page 9, FIG. 3)

  However, the refrigerator informs the user only of the operating state of the compressor, but the actual operating state of the refrigerator is not determined based only on the operating state of the compressor, and the set temperature of each storage room In addition, there is a problem that it is difficult to grasp the overall operation state because it changes depending on the outside air temperature or the like.

  The present invention has been made to solve the above-described problems, and the operation load state of the refrigerator is determined not only by the operation state of the compressor but also by the set temperature of each storage room, the outside air temperature, etc. It is an object of the present invention to obtain a refrigerator that informs the user of a more accurate operating state of the refrigerator by determining and displaying it.

  The refrigerator according to the present invention includes a plurality of storage rooms, a refrigeration cycle including a compressor for cooling the storage rooms, operation means for performing various settings and various operations, information set by the operation means, and Display means for displaying the operating state of the refrigerator, storage means for storing information set by the operation means, and a control device for controlling the refrigeration cycle and the display means, the control device comprising the refrigerator The current load level of the refrigerator is calculated according to the usage status of the refrigerator, the current operating load state of the refrigerator is comprehensively determined based on the load level, and the display means displays the operating load state .

  The refrigerator according to the present invention is used by comprehensively judging the operation load state of the refrigerator based on the operation state of the compressor, the set temperature of each storage room, the outside air temperature, etc., and displaying it. A more accurate operation state of the refrigerator can be notified to the person. In addition, by notifying the operation state of the refrigerator, the user can be urged to operate with less load.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view of the refrigerator according to the present embodiment. The refrigerator 100 includes a refrigerator compartment 101 at the top, and the refrigerator compartment 101 has a refrigerator compartment door 111. Under the refrigerating room 101, there are an ice making room 102 having an ice making room door 112, a vegetable room 103 having a vegetable room door 113, a freezing room 104 having a freezing room door 114, and a switching room 105 having a switching room door 115. Each is provided. The operation panel 1 is attached to the refrigerator compartment door 111. Each storage room is provided with a door switch 23 (see FIG. 4 to be described later) for detecting the opening and closing of the door, and a temperature sensor 24 (see FIG. 4 to be described later) for detecting the temperature in each storage room. .
When the refrigerator compartment 101 is opened, the interior lamp in the refrigerator compartment 101 is turned on.

FIG. 2 is a sectional side view of the refrigerator of FIG. A control device 2 is attached to the upper back of the refrigerator 100. Below the refrigerator 100, a cooler 3, a compressor 4, and a fan 5 are installed. An ice making machine 6 is attached inside the ice making chamber 102. Here, the control device 2 includes an arithmetic device such as a microcontroller, for example.
The cool air generated by the refrigeration cycle including the cooler 3 and the compressor 4 is circulated through the air path in the refrigerator by the fan 5. Further, the control device 2 acquires the temperature in each storage chamber via the temperature sensor 24, and an open / close valve (illustrated) attached to the air passage leading to each storage chamber so that the temperature becomes the set temperature. Open and close (omitted). Further, the control device 2 performs control such as ON / OFF of driving of the compressor 4 and the fan 5.

FIG. 3 is a front view of the operation panel of the refrigerator of FIG. The operation panel 1 includes a room selection switch 11 for selecting a storage room to be operated, a temperature setting switch 12 for changing the set temperature of the storage room selected by the room selection switch 11, and the selected storage room. Are provided with a rapid cooling switch 13 for performing the rapid cooling operation and an ice making changeover switch 14 for switching the operation state of ice making. Similarly, the operation panel 1 is provided with a display unit 15 for displaying setting information selected by the user and an outside air sensor 25 (see FIG. 4 to be described later) for detecting the outside air temperature. The display unit 15 includes an operation state display unit 16 that displays the operation load state of the refrigerator in several steps (for example, four steps). Furthermore, the operation state display unit 16 includes operation state lamps 16a, 16b, and 16c that are turned on based on the load level of the refrigerator.
When the load level of the refrigerator is low, all the operation state lamps 16a, 16b, and 16c are turned on. Conversely, when the load level is high, all the operation state lamps 16a, 16b, and 16c are turned off. When the load level is intermediate, only the operation state lamp 16a or the operation state lamps 16a and 16b are turned on according to the load level.

FIG. 4 is a control block diagram of the refrigerator according to the present embodiment. A temperature sensor 24 installed in each storage room, an outside air sensor 25 installed in the operation panel 1, actuators such as the compressor 4 and the fan 5, and the operation panel 1 are connected to the control device 2. Further, the control device 2 is provided with a storage device 21 for storing settings and operating states, and further includes a door opening frequency counting means 26, a door opening time measuring timer 27, a rotation speed detecting means 28, and an operating time measuring timer. 29 is provided. A door switch 23 installed in each storage chamber is connected to the door opening frequency counting means 26 and the door opening time measuring timer 27 provided in the control device 2. Similarly, the compressor 4 is connected to the rotation speed detection means 28 and the operation time measurement timer 29 that are also provided in the control device 2. The operating state detecting means 51 is composed of any or all of the outside air sensor 25, the door opening number counting means 26, the door opening time measuring timer 27, the rotation speed detecting means 28, and the operating time measuring timer 29. Information on the operating state of the refrigerator according to the embodiment is comprehensively detected.
The door opening number counting means 26 and the door opening time measuring timer 27 count the number of times the door is opened based on the detection result of the door opening / closing of each storage chamber by the door switch 23, and the door is opened. Measure the amount of time. The temperature sensor 24 detects the temperature in each storage chamber and outputs the temperature to the control device 2. Similarly, the outside air sensor 25 detects the outside air temperature and outputs the outside air temperature to the control device 2. The operation panel 1 outputs information operated or set by the user to the control device 2, and the control device 2 stores the information in the storage device 21. Conversely, the control device 2 outputs information such as the operating state of the refrigerator and the setting contents to the operation panel 1, and the operation panel 1 displays the received information on the display unit 15. Further, the control device 2 outputs drive signals to the compressor 4 and the fan 5 to drive them. The rotation speed detection means 28 detects the rotation speed of the compressor 4, and the operation time measurement timer measures the operation time of the compressor 4.

  The operation of the refrigerator configured as described above will be described below with reference to a flowchart.

  FIG. 5 is an operation flowchart of the refrigerator according to the present embodiment. First, in S1, the control device 2 calculates the load level A based on the set temperature of each storage room set by the user operating the operation panel 1. Hereinafter, it is assumed that the control device 2 performs the calculation of the load level and the determination of the operation load state. Next, the load level B is calculated based on the open / closed state of the door of each storage room (S2). Subsequently, the load level C (S3) based on the operating state of the compressor, the load level D (S4) based on the outside air temperature detected by the outside air sensor 25, and the respective storage chambers that are implemented by the operation from the operation panel 1 The load level E (S5) is calculated based on the implementation status of the rapid cooling operation. After the load level is calculated in S1 to S5, the total of the load levels A to E is calculated as the load level α of the refrigerator (S6). When the load level α of the refrigerator is less than a predetermined value (for example, −3) stored in the storage device 21 (S7), it is determined that the operating load state is “minimum” (S8). When the load level α is −3 or higher, it is determined whether or not the load level α is smaller than the next predetermined value (for example, 0) stored in the storage device 21 (S9). It is determined as “small” (S10). And when load level (alpha) is 0 or more, it is determined whether it is smaller than the following predetermined value (for example, 3) memorize | stored in the memory | storage device 21 (S11), and when it is less than 3, driving | running load state Is determined to be “medium” (S12). Furthermore, when the load level α is 3 or more, the operating load state is determined to be “high” (S13).

  FIG. 6 is a display example of the operation load state of the refrigerator based on the operation result of the flowchart of FIG. As described above, when it is determined that the driving load state is “minimum”, the driving state lamps 16a, 16b and 16c of the driving state display unit 16 on the operation panel 1 are displayed as shown in FIG. All lights up. When it is determined that the driving load state is “small”, only the driving state lamps 16a and 16b are lit as shown in FIG. 6B. When it is determined that the driving load state is “medium”, only the driving state lamp 16a is lit as shown in FIG. Furthermore, when it is determined that the driving load state is “large”, as shown in FIG. 6D, all of the driving state lamps 16a, 16b, and 16c are turned off.

In FIG. 5, the five factors of load levels A to E are all used as determination materials for the load level α of the refrigerator. However, the present invention is not limited to this. For example, as shown in FIG. The load level α may be calculated from specific factors such as the load level A calculated based on the load level B calculated based on the open / closed state of the door of each storage room.
In FIG. 5, the determination of the operating load state is classified into four stages. However, the determination is not limited to this, and the determination may be performed at any stage, or may be performed by other methods. For example, as shown in FIG. 7, in the above description of FIG. 5, if the load level α is 3 or more, whether it is smaller than another predetermined value (for example, 6) stored in the storage device 21. When the determination is made (S14), when it is less than 6, the driving load state is determined to be “high”, and when the load level α is 6 or more, the driving load state is determined to be “maximum” (S15). At this time, in FIG. 6, the operation state display unit 16 displays the operation load state by distinguishing and displaying the combination of lighting of the three operation state lamps 16 a, 16 b, and 16 c, but this is not limitative. Instead, a different number of lamps may be installed and displayed separately at an arbitrary stage, or lamps having different patterns or shapes may be installed and displayed. Further, the operating load state is not displayed in a stepwise manner, but may be displayed by continuous numerical values, or may be displayed by other methods.
In FIG. 5, the calculation is performed in the order of the load levels A, B, C, D, and E. However, the calculation is not limited to this, and as shown in FIG. Any order may be used.

Next, a method for calculating the load level due to each factor will be described.
FIG. 9 is a flowchart of calculation (S1) of the load level A based on the set temperature of each storage room. The user operates the room selection switch 11 of the operation panel 1 in advance to select the refrigerating room 101 as a storage room for setting the set temperature, and then operates the temperature setting switch 12 to operate the refrigeration. The set temperature of the chamber 101 can be selected from several levels (for example, five levels) from “weak” (high temperature) to “strong” (low temperature). The control device 2 determines whether or not the set temperature is lower than “medium” (middle setting) (S101). If it is determined that the set temperature is lower than “medium”, the temperature in the refrigerator compartment 101 must be adjusted to a lower temperature, so the load level A is incremented by 1 (S102). Hereinafter, it is assumed that the control device 2 performs determination of the set temperature and calculation of the load level A. When it is determined that the temperature is not low, it is determined whether the set temperature is higher than “medium” (S103). When it is determined that the set temperature is higher than “medium”, the temperature in the refrigerator compartment 101 does not have to be cooled so much, so the load level A is set to −1 (S104). If it is determined that the level is not high, “medium” is selected, and the load level A is left as it is. Here, in the above, “medium” is used as a reference, but not limited to this, another set temperature may be used as a reference.

  Next, a determination is made based on the set temperature of the switching chamber 105. Here, by operating the room selection switch 11 of the operation panel 1 in advance, the user selects the switching room 105 as a storage room for setting the set temperature, and then operates the temperature setting switch 12. To set the set temperature of the switching chamber 105 to, for example, a “freezing” setting of about −18 ° C., a “soft freezing” setting of about −7 ° C., a “chilled” setting of about −1 ° C., and a “freezing” setting of about 3 ° C. It is possible to switch to any one of four levels, such as “refrigeration” setting. It is determined whether or not the set temperature is lower than “soft freezing” (S105). If it is determined that the set temperature is lower than “soft refrigeration”, the temperature in the switching chamber 105 must be adjusted to a lower temperature, so the load level A is incremented by 1 (S106). If it is determined that the temperature is not low, it is determined whether or not the set temperature is higher than “soft freezing” (S107). When it is determined that the set temperature is higher than “soft refrigeration”, the load level A is set to −1 (S108) because the cooling in the switching chamber 105 does not take much load. If it is determined that the load level is not high, since “soft refrigeration” is selected, the load level is left as it is. Here, in the above, “soft refrigeration” is used as a reference, but not limited to this, another set temperature may be used as a reference.

  Next, the determination and the calculation of the load level A (S109 to S116) are performed based on the set temperature of the vegetable compartment 103 and the freezer compartment 104, which is the same as the determination based on the set temperature of the refrigerator compartment 101. As a result of calculation with respect to the load level A for each set temperature of each storage room, the load level A is finally calculated. For example, the set temperature of each storage room is set as “weak” for the refrigerator room 101, “refrigerated” for the switching room 105, “strong” for the vegetable room 103, and “medium” for the freezer room 104. In such a case, the load level A is calculated as −1 (= −1−1 + 1 + 0) based on the set temperatures.

In FIG. 9, the set temperature of all the storage rooms is used as the determination material for the load level A. However, the present invention is not limited to this. For example, a specific storage room setting such as the refrigerator room 101 and the freezer room 104 is used. Only the temperature may be used as the determination material.
Further, in the calculation of the load level A based on the set temperature of any storage room, the load level A is ± 1, but not limited to this, for example, in the calculation of the load level A based on the set temperature of the refrigerator room 101 May be weighted in the calculation of the load level A for each storage room, such as ± 2 and ± 3 in the calculation of the load level A based on the set temperature of the freezer compartment 104.
Furthermore, in FIG. 9, the load level A is calculated based on the set temperatures in the order of the refrigerator compartment 101, the switching room 105, the vegetable room 103, and the freezer room 104. May be calculated in this order.

  FIG. 10 is a flowchart of the calculation (S2) of the load level B based on the number of times the door of the specific storage room is opened and closed. First, the control device 2 determines whether or not defrosting has been started (S201). And when it determines with defrosting having been started, the control apparatus 2 resets the opening / closing frequency | count of the door of a specific storeroom counted by the door opening frequency count means 26 (refer FIG. 4) to 0 times (S202). ). Moreover, when it determines with defrosting not being started, it transfers to the following step as it is. For example, assuming that defrosting is performed about once a day, the number of times the door of the specific storage room is opened and closed from the start of defrosting until the next start of defrosting is counted by the door opening frequency counting means 26. The number of opening / closing operations per day can be counted.

  In the next step, the control device 2 determines whether or not the door opening / closing frequency of the specific storage room counted by the door opening frequency counting means 26 exceeds a predetermined number (for example, 20 times) stored in the storage device 21. (S203). If the control device 2 determines that the opening / closing frequency has exceeded 20 times, the control device 2 determines that the load due to door opening / closing is large and increments the load level B by 1 (S204). If it is determined that it does not exceed, the determination on the load level B is terminated as it is.

In FIG. 10, the load level B is determined based on the number of times the door of the specific storage room is opened or closed. However, the present invention is not limited to this, and as shown in FIG. The load level B may be determined based on the time during which the door of the specific storage room is open, which is measured by (see 4) (S211 to S214). For example, the control device 2 determines whether or not the opening time when the door of the specific storage room is opened once exceeds a predetermined time (for example, 20 seconds) stored in the storage device 21 (S213). ) If it is determined that the load level has been exceeded, the load level B may be incremented by 1 (S214). If it is determined that it does not exceed, the determination on the load level B is terminated as it is. Further, the timing for resetting the opening time of the door is the same as the timing for resetting the door opening / closing frequency shown in FIG. 10 (S211 and S212).
In FIG. 11, the load level B is determined based on the opening time when the door of the specific storage chamber is opened once. However, the present invention is not limited to this, and the door opening time measuring timer 27 The accumulated open time of the door of a specific storage chamber from the start of defrosting to the start of the next defrosting may be measured. At this time, the control device 2 determines whether or not the accumulated door opening time has exceeded a predetermined time (for example, 20 minutes) stored in the storage device 21. +1 may be added.
Moreover, as shown in FIG. 12, both the opening / closing frequency and the opening time of the door of the specific storage chamber described above may be used as determination materials for the load level B (S221 to S226). At this time, in FIG. 12, after the determination about the opening time (S223, S224), the determination about the number of times of opening and closing (S225, S226) is made, but the order may be reversed. At this time, the timing at which the opening time and the opening / closing time are reset is the same as in FIGS. 10 and 11 (S221, S222).
Moreover, in the description so far, when the control device 2 determines that defrosting has been started, the number of times of opening and closing the door of the specific storage room and the opening time are reset. It is good also as what resets by.
Moreover, in the description so far, the number of times of opening / closing or opening time of the door of the specific storage room is the determination material of the load level B, but is not limited thereto, and a plurality or all of the doors of the storage room The number of times of opening and closing or the opening time may be used as a determination material for the load level B.
Further, in the above description, when the load level B is calculated, it is assumed that the load level B is incremented by +1. However, the present invention is not limited to this, and the weight may be changed to +2, +3, for example.

  FIG. 13 is a flowchart of calculation (S3) of the load level C based on the rotation speed of the compressor. First, the control device 2 determines whether or not the rotational speed of the compressor detected by the rotational speed detection means 28 (see FIG. 4) exceeds a predetermined rotational speed (for example, 70 rps) stored in the storage device 21. (S301). If the controller 2 determines that the rotational speed has exceeded 70 rps, it is determined that the load is large because it is operating at a high speed, and the load level C is incremented by 1 (S302). If it is determined that it does not exceed, the determination on the load level C is terminated as it is.

In FIG. 13, the load level C is determined based on the rotational speed of the compressor. However, the determination is not limited to this, and as shown in FIG. 14, the load level C is measured by the operation time measuring timer 29 (see FIG. 4). The determination of the load level C may be performed based on the one continuous operation time of the compressor (S311 and S312). For example, the control device 2 determines whether or not the continuous operation time exceeds a predetermined time (for example, 3 hours) stored in the storage device 21 (S311). Is incremented by 1 (S312). If it is determined that it does not exceed, the determination on the load level C is terminated as it is.
In FIG. 14, the load level C is determined based on one continuous operation time of the compressor. However, the operation time measurement timer 29 measures the accumulated operation time of the compressor. It is good also as what is done. At this time, the control device 2 determines whether or not the accumulated operation time has exceeded a predetermined time (for example, 10 hours) stored in the storage device 21. It may be +1.
Further, as shown in FIG. 15, both the rotational speed of the compressor and the continuous operation time described above may be used as determination materials for the load level C (S321 to S324). At this time, in FIG. 15, the determination on the continuous operation time (S323, S324) is made after the determination on the rotation speed (S321, S322), but the reverse order may be used.
Further, in the above description, when the load level C is calculated, it is assumed that the load level C is incremented by +1. However, the present invention is not limited to this, and the weight may be changed to +2, +3, for example.

  FIG. 16 is a flowchart of calculation (S4) of the load level D based on the outside air temperature. First, the control device 2 determines whether or not the outside air temperature detected by the outside air sensor 25 (see FIG. 4) exceeds a predetermined temperature (for example, 30 ° C.) stored in the storage device 21 (S401). . Then, when it is determined that the outside air temperature has exceeded 30 ° C., the control device 2 determines that the load is large due to the high outside air temperature, and increments the load level D by 1 (S402). If it is determined that it does not exceed, the determination on the load level D is terminated as it is.

In FIG. 16, only one reference value for determining the outside air temperature is provided. However, the present invention is not limited to this. As shown in FIG. 17, there are two (or two) reference values for determining the outside air temperature. The above may be provided (S411 to S414). For example, first, the control device 2 determines whether or not the outside air temperature detected by the outside air sensor 25 has exceeded 15 ° C. (S411). If it is determined that the temperature has exceeded, the control device 2 increments the load level D by 1 (S412). . If it is determined that it does not exceed, the determination on the load level D is terminated as it is. Further, when it is determined that the temperature has exceeded 15 ° C., the control device 2 next determines whether or not the outside air temperature has exceeded 30 ° C. (S413). +1 (S414).
Furthermore, in the above description, when the load level D is calculated, it is assumed that the load level D is incremented by +1. However, the present invention is not limited to this, and the weight may be changed to +2, +3, for example.

  FIG. 18 is a flowchart of the calculation of the load level E (S5) based on the implementation status of the rapid cooling operation. First, the control device 2 determines whether or not the rapid cooling operation of the refrigerator compartment 101 is performed (S501). When the control device 2 determines that the rapid cooling operation is being performed, the load level E is incremented by 1 (S502).

  Next, in the order of the ice making room 102, the switching room 105, the vegetable room 103, and the freezing room 104, it is determined whether or not the rapid cooling operation is performed for each storage room (S503, S505, S507, S509). ), When it is determined that the load is performed, the load level E is incremented by 1 in each step (S504, S506, S508, S510). As a result of calculation for the load level E for each execution state of the rapid cooling operation in each storage room, the load level E is finally calculated. For example, when the rapid cooling operation of the refrigerator room 101, the switching room 105, and the vegetable room 103 is performed, the load level E is calculated as 3 (= 1 + 1 + 1).

In FIG. 18, the execution status of the rapid cooling operation in all the storage rooms is used as the determination material for the load level E. However, the determination is not limited to this. For example, a specific storage such as the refrigerator room 101 and the freezer room 104 Only the implementation status of the room rapid cooling operation may be used as the judgment material.
In addition, the load level E is incremented by +1 regardless of which storage room is rapidly cooled. For example, when the rapid cooling operation of the refrigerating room 101 is +2, the rapid cooling operation of the freezing room 104 is performed. When implemented, the calculation of the load level E may be weighted for each storage room, such as +3.
Further, in FIG. 18, the load level E is calculated in the order of the refrigerating room 101, the ice making room 102, the switching room 105, the vegetable room 103, and the freezing room 104 based on the execution status of the rapid cooling operation of each storage room. However, the present invention is not limited to this, and may be calculated in an arbitrary order.

  As described above, according to the present embodiment, the operating load of the refrigerator depends on the set temperature of each storage room, the opening / closing state of the door, the operating state of the compressor, the outside air temperature, and the execution status of the rapid cooling operation of each storage room. By judging the state comprehensively and displaying it, it is possible to inform the user of the more accurate operating state of the refrigerator. In addition, by notifying the driving state, it is possible to prompt the user to drive with less load.

It is a front view of the refrigerator which concerns on this Embodiment. It is side sectional drawing of the refrigerator which concerns on this Embodiment. It is a front view of the operation panel of the refrigerator which concerns on this Embodiment. It is a control block diagram of the refrigerator according to the present embodiment. It is an operation | movement flowchart (example 1) of the refrigerator which concerns on this Embodiment. It is an example of a display of the operation load state of the refrigerator which concerns on this Embodiment. It is an operation | movement flowchart (example 2) of the refrigerator which concerns on this Embodiment. It is an operation | movement flowchart (example 3) of the refrigerator which concerns on this Embodiment. It is a flowchart of calculation of the load level A based on the preset temperature of a store room. It is a flowchart of calculation of the load level B based on the opening / closing frequency | count of the door of a storeroom. It is a flowchart of calculation of the load level B based on the opening time of the door of a store room. It is a flowchart of calculation of the load level B based on the opening / closing time and opening time of the door of a store room. It is a flowchart of calculation of the load level C based on the rotation speed of a compressor. It is a flowchart of calculation of the load level C based on the operation time of a compressor. It is a flowchart of calculation of the load level C based on the rotation speed and operation time of a compressor. It is a flowchart (example 1) of calculation of the load level D based on outside temperature. It is a flowchart (example 2) of calculation of the load level D based on outside temperature. It is a flowchart of calculation of the load level E based on the implementation condition of rapid cooling operation.

Explanation of symbols

  1 operation panel, 2 control device, 3 cooler, 4 compressor, 5 fan, 6 ice making machine, 11 room selection switch, 12 temperature setting switch, 13 rapid cooling switch, 14 ice making changeover switch, 15 display section, 16 operation status display , 16a to 16c operation state lamp, 21 storage device, 23 door switch, 24 temperature sensor, 25 outside air sensor, 26 door opening frequency counting means, 27 door opening time measuring timer, 28 rotation number detecting means, 29 operating time measuring timer , 51 Operating state detection means, 100 Refrigerator, 101 Refrigeration room, 102 Ice making room, 103 Vegetable room, 104 Freezing room, 105 Switching room, 111 Refrigeration room door, 112 Ice making room door, 113 Vegetable room door, 114 Freezing room door, 115 Switching room door.

Claims (10)

Multiple storage rooms;
A refrigeration cycle including a compressor for cooling the storage chamber;
Operation means for performing various settings and various operations;
Display means for displaying information set by the operating means and the operating state of the refrigerator;
Storage means for storing information set by the operation means;
A control device for controlling the refrigeration cycle and the display means;
With
The control device calculates the current load level of the refrigerator according to the usage status of the refrigerator, determines the current operating load state of the refrigerator based on the load level,
The said display means displays the said driving load state. The refrigerator characterized by the above-mentioned. 2. The refrigerator according to claim 1, wherein the control device determines the current operating load state of the refrigerator in several stages based on the load level. The storage means stores a predetermined reference set temperature,
The operation means sets a set temperature for any or all of the plurality of storage rooms,
The control device increases the load level when it is determined that the set temperature is lower than the reference set temperature, and decreases the load level when it is determined that the set temperature is higher than the reference set temperature. The refrigerator according to claim 1 or 2, characterized in that: For any or all of the doors of the plurality of storage chambers, comprising a door opening frequency counting means for counting the number of times the door is opened,
The storage means stores a predetermined reference door opening number,
The said control apparatus increases the said load level, when it determines with the said opening frequency counted by the said door opening frequency counting means having exceeded the said reference | standard door opening frequency. The refrigerator in any one of Claim 3. For any or all of the doors of the plurality of storage chambers, comprising an opening time when opened once, or a door opening time measuring means for measuring the accumulated opening time,
The storage means stores a predetermined reference door opening time,
The said control apparatus increases the said load level, when it determines with the said opening time measured by the said door opening time measurement means having exceeded the said reference | standard door opening time. The refrigerator in any one of 4. A rotation speed detecting means for detecting the rotation speed of the compressor;
The storage means stores a predetermined reference rotational speed,
6. The control device according to claim 1, wherein the control device increases the load level when it is determined that the rotation speed detected by the rotation speed detection unit exceeds the reference rotation speed. The refrigerator in any one. The compressor is provided with an operation time measuring means for measuring an operation time from starting up to stopping next, or an accumulated operation time,
The storage means stores a predetermined reference operation time,
The said control apparatus makes the said load level increase, when it determines with the said operation time measured by the said operation time measurement means having exceeded the said reference | standard operation time. The refrigerator in any one. An outside air temperature detecting means for detecting the outside air temperature of the place where the refrigerator is installed,
The storage means stores a predetermined reference outside temperature,
The said control apparatus increases the said load level, when it determines with the said external temperature detected by the said external temperature detection means having exceeded the said reference | standard external temperature, The said load level is increased. The refrigerator in any one. The refrigerator according to any one of claims 1 to 8, wherein the control device increases the load level when it is determined by the operation means that a rapid cooling operation has been performed. Multiple storage rooms;
A refrigeration cycle including a compressor for cooling the storage chamber;
Operation means for performing various settings and various operations;
Display means for displaying information set by the operating means and the operating state of the refrigerator;
Storage means for storing information set by the operation means;
A control device for controlling the refrigeration cycle and the display means;
When any or all of the doors of the plurality of storage chambers are opened, the number of times of opening the door is counted, and when any or all of the doors of the plurality of storage chambers are opened once Opening time or door opening time measuring means for measuring the accumulated opening time, rotation speed detecting means for detecting the rotation speed of the compressor, operation time of the compressor from starting up to stopping next Or, an operation time measuring means for measuring the accumulated operation time, and an outside air temperature detecting means for detecting the outside air temperature at the place where the refrigerator is installed, an operation state detecting means comprising any plural or all of them,
With
The control device sets any or all of the set temperatures of the plurality of storage chambers set by the operation unit, the operation state result output by the operation state detection unit, and the rapid cooling operation by the operation unit. Based on any or all of the presence or absence, calculate the current load level of the refrigerator, based on the load level, determine the current operating load state of the refrigerator,
The said display means displays the said driving load state. The refrigerator characterized by the above-mentioned.

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