JP7514996B2 - Programs and refrigerators - Google Patents

Description

Embodiments of the present invention relate to a program and a refrigerator.

There is a known terminal device that displays the results of energy-saving operation of a refrigerator. However, there are hopes for further improvements in the convenience of terminal devices that display refrigerator information.

JP 2013-061104 A

The problem that this invention aims to solve is to provide a program and a refrigerator that can improve convenience.

The program of the embodiment causes a computer to execute a process of displaying, on one screen, the results of a special operation of a refrigerator that reduces power consumption and information indicating the usage state of the refrigerator detected by the refrigerator. The special operation includes a pre-cooling operation that lowers the temperature of the storage compartment of the refrigerator in advance for a time when a temperature rise in the storage compartment is expected based on the usage state of the refrigerator detected in the past on or before the previous day. The display process includes a process of displaying, when the pre-cooling operation is performed, the results of the pre-cooling operation and information indicating the usage state of the refrigerator detected by the refrigerator on the day the pre-cooling operation was performed on the one screen.

FIG. 1 is a diagram showing an overall configuration of a refrigerator system according to a first embodiment. FIG. 1 is a front view showing a schematic configuration of a refrigerator according to a first embodiment. FIG. 2 is a block diagram showing a functional configuration of the refrigerator according to the first embodiment. FIG. 2 is a block diagram showing the functional configuration of a server according to the first embodiment. FIG. 4 is a diagram showing an example of an operation plan according to the first embodiment. FIG. 2 is a block diagram showing the functional configuration of a terminal device according to the first embodiment. FIG. 4 is a diagram showing an example of a power saving result display screen according to the first embodiment. 5 is a diagram showing the relationship between an operation history display area and a door opening/closing history display area in the first embodiment. FIG. FIG. 13 is a diagram showing an example of a power saving result display screen showing a past power saving result in the first embodiment. FIG. 4 is a sequence diagram showing a control flow in the first embodiment. FIG. 13 is a diagram showing an example of a power saving result display screen according to a modified example of the first embodiment. FIG. 13 is a diagram showing an example of a power saving result display screen according to the second embodiment. FIG. 13 is a diagram showing an example of a power saving result display screen according to the third embodiment. FIG. 13 is a diagram showing an example of a power saving result display screen according to the fourth embodiment. FIG. 13 is a front view showing a schematic configuration of a refrigerator according to a fifth embodiment.

The program and refrigerator of the embodiment will be described below with reference to the drawings. In the following description, the same reference numerals are used for components having the same or similar functions. Duplicate descriptions of those components may be omitted. In this application, "based on XX" means "based on at least XX" and may include a case where it is based on another element in addition to XX. Furthermore, "based on XX" is not limited to the case where XX is directly used, but may also include a case where it is based on XX that has been calculated or processed. In this application, "XX or YY" is not limited to either XX or YY, but may include both XX and YY. This also applies to the case where there are three or more selective elements. XX and YY are any element (for example, any information). In this application, "execute" and "implement" are not used differently, and may be interpreted as appropriate interchangeably.

First Embodiment
<1. Overall configuration of the refrigerator system>
FIG. 1 is a diagram showing the overall configuration of a refrigerator system 1 of the first embodiment. The refrigerator system 1 includes, for example, a refrigerator 100, a server 200, and a terminal device 300. Note that one or more of the refrigerator 100, the server 200, and the terminal device 300 may be provided as external components of the refrigerator system 1. For example, an example of the refrigerator system 1 may be configured by the refrigerator 100 and the terminal device 300, or an example of the refrigerator system 1 may be configured by only the refrigerator 100. The network NW described later may be, for example, the Internet, a cellular network, a Wi-Fi network, a Low Power Wide Area (LPWA), a Wide Area Network (WAN), a Local Area Network (LAN), or other public lines or dedicated lines, depending on the situation.

The refrigerator 100 is placed in the residence of the user U. The refrigerator 100 is connected to the network NW, for example, via a wireless router WR and a modem M installed in the residence of the user U. The refrigerator 100 can communicate with the server 200 or the terminal device 300 via the network NW.

The server 200 is a management server that manages the refrigerator 100. The server 200 is composed of one or more server devices (e.g., cloud servers). The server 200 may be referred to as a "server system." The server 200 is capable of communicating with the refrigerator 100 or the terminal device 300 via the network NW. The server 200 may include an information processing unit that performs edge computing or fog computing, such as an information processing unit included in a router in the network NW. The server 200 is not limited to a cloud server, and may be a computer in the residence of the user U, or a home router (e.g., a wireless router WR).

The terminal device 300 is a terminal device used by a user U of the refrigerator 100. The terminal device 300 is, for example, a mobile terminal device such as a smartphone or a tablet terminal device. However, the terminal device 300 is not limited to a mobile terminal device and may be a personal computer or the like. The terminal device 300 has a display device 301 including a display screen 301a capable of displaying various information, and an input device 302 capable of receiving input from the user U. The input device 302 is, for example, a touch panel provided on top of the display screen 301a of the display device 301. The input device 302 may include a camera, a microphone, and the like provided in the terminal device 300.

An application program P is installed on the terminal device 300, and the functions described below are supported. The application program P is an application program for managing the refrigerator 100. The application program P is used, for example, to remotely control the refrigerator 100, check its status, or use services related to the refrigerator 100. Hereinafter, the application software that is started by executing the application program P is referred to as the "home appliance management app APP."

2. Refrigerator
First, the refrigerator 100 will be described in detail.
2 is a diagram showing a schematic configuration of the refrigerator 100. The refrigerator 100 includes, for example, a housing 10 and a plurality of doors 20.

The housing 10 is insulated and formed in a rectangular box shape. A plurality of storage compartments 30 are provided inside the housing 10. The plurality of storage compartments 30 include, for example, a refrigerator compartment 31, a vegetable compartment 32, an ice-making compartment 33, a small freezer compartment 34, and a main freezer compartment 35. The refrigerator compartment 31 and the vegetable compartment 32 are storage compartments in the refrigerator temperature range (for example, a positive temperature range of 1 to 4°C). Each of the refrigerator compartment 31 and the vegetable compartment 32 is an example of a "first storage section." The ice-making compartment 33, the small freezer compartment 34, and the main freezer compartment 35 are storage compartments in the freezer temperature range (for example, a negative temperature range of -10 to -20°C). Each of the ice-making compartment 33, the small freezer compartment 34, and the main freezer compartment 35 is an example of a "second storage section." In the following, when the small freezer compartment 34 and the main freezer compartment 35 are not distinguished from each other, they are simply referred to as "freezer compartment 30C."

The openings of the multiple storage compartments 30 are closed by multiple doors 20 so that they can be opened and closed. The multiple doors 20 include left and right refrigerator compartment doors 21A and 21B that close the opening of the refrigerator compartment 31, a vegetable compartment door 22 that closes the opening of the vegetable compartment 32, an ice-making compartment door 23 that closes the opening of the ice-making compartment 33, a small freezer compartment door 24 that closes the opening of the small freezer compartment 34, and a main freezer compartment door 25 that closes the opening of the main freezer compartment 35. In the following, when there is no need to distinguish between the left and right refrigerator compartment doors 21A and 21B, they will simply be referred to as "refrigerator compartment door 21". When there is no need to distinguish between the small freezer compartment door 24 and the main freezer compartment door 25, they will simply be referred to as "freezer compartment door 20C".

Figure 3 is a block diagram showing the functional configuration of the refrigerator 100. The refrigerator 100 has, for example, a door opening/closing detection sensor 110, a temperature sensor 120, a cooling unit 130, a communication unit 140, a control unit 150, and a memory unit 180.

<2.1 Door opening/closing detection sensor>
Door opening/closing detection sensor 110 is a sensor that detects the opening and closing of door 20. Door opening/closing detection sensor 110 includes, for example, a refrigerator compartment door sensor 111 that detects the opening and closing of refrigerator compartment door 21, a vegetable compartment door sensor 112 that detects the opening and closing of vegetable compartment door 22, an ice compartment door sensor 113 that detects the opening and closing of ice compartment door 23, a small freezer compartment door sensor 114 that detects the opening and closing of small freezer compartment door 24, and a main freezer compartment door sensor 115 that detects the opening and closing of main freezer compartment door 25. The detection results of door opening/closing detection sensor 110 are output to control unit 150.

2.2 Temperature sensor
The temperature sensor 120 is a temperature sensor that detects the temperature of the storage compartment 30 (e.g., the air temperature in the storage compartment 30). The temperature sensor 120 includes, for example, a refrigerator compartment temperature sensor 121 that detects the temperature of the refrigerator compartment 31, and a main freezer compartment temperature sensor 122 that detects the temperature of the main freezer compartment 35. The detection result of the temperature sensor 120 is output to the control unit 150.

<2.3 Cooling section>
The cooling unit 130 is a device that cools the storage chamber 30. The cooling unit 130 includes, for example, a first cooler, a second cooler, a compressor, a first blower, and a second blower. The first cooler is arranged corresponding to the storage chambers 30 (refrigerator chamber 31 and vegetable chamber 32) in the refrigeration temperature zone. The second cooler is arranged corresponding to the storage chambers 30 (ice-making chamber 33, small freezer chamber 34, and main freezer chamber 35) in the freezing temperature zone. The compressor supplies refrigerant to the first cooler and the second cooler. The first blower supplies the cold air cooled by the first cooler to the storage chambers 30 in the refrigeration temperature zone. The second blower supplies the cold air cooled by the second cooler to the storage chambers 30 in the freezing temperature zone.

<2.4 Communication section>
The communication unit 140 is, for example, a wireless communication module. The communication unit 140 is capable of communicating with the server 200 via a wireless router WR and a modem M installed in the user U's residence.

<2.5 Control Unit>
The control unit 150 is realized by executing a program by one or more hardware processors such as a CPU (Central Processing Unit) mounted on the refrigerator 100. However, a part or the whole of the control unit 150 may be realized by hardware such as an ASIC (Application Specific Integrated Circuit), a PLD (Programmable Logic Device), or an FPGA (Field Programmable Gate Array), or may be realized by a combination of software and hardware.

The control unit 150 performs overall control of the refrigerator 100. For example, the control unit 150 controls the cooling unit 130 based on the set temperature (target temperature) of each storage chamber 30 and the detection result of the temperature sensor 120, thereby cooling each storage chamber 30 with the cooling unit 130. For example, the control unit 150 controls the compressor, first fan, and second fan included in the cooling unit 130 with PID (Proportional-Integral-Differential) control based on the difference between the set temperature (target temperature) of each storage chamber 30 and the temperature detected by the temperature sensor 120.

The control unit 150 stores the detection results of the door opening/closing detection sensor 110 in the memory unit 180 as door opening/closing information 181. The door opening/closing information 181 includes information regarding the door opening/closing for each predetermined unit time (e.g., one hour). For example, the door opening/closing information 181 indicates the number of times the door is opened or closed for each predetermined unit time. "Door open time" is the total time that the door is open. The control unit 150 stores the door opening/closing information 181 in the memory unit 180 for at least a predetermined time (e.g., three hours). The above-mentioned predetermined time is a period of at least twice the above-mentioned predetermined unit time.

Based on the detection result of the temperature sensor 120 and a preset threshold value, the control unit 150 determines at a predetermined cycle whether a large temperature rise exceeding the threshold value (for example, a temperature rise exceeding 10°C as a temperature difference) has occurred in each storage chamber 30. A "large temperature rise" is, for example, a temperature rise that occurs when a warm storage item is contained in the storage chamber 30. When the control unit 150 determines that a large temperature rise has occurred in a certain storage chamber 30, it stores the occurrence of a large temperature rise in the storage chamber 30 as temperature rise information 182 in the storage unit 180. The temperature rise information 182 includes the presence or absence of a large temperature rise in each storage chamber 30 for each predetermined unit time (for example, 1 hour). The control unit 150 stores the temperature rise information 182 in the storage unit 180 for the above-mentioned predetermined period (for example, 3 hours).

The control unit 150 has a timer 151. The control unit 150 transmits usage status information indicating the usage status of the refrigerator 100 to the server 200 every predetermined unit time (e.g., one hour) measured by the timer 151. The usage status information includes information detected in the refrigerator 100. In this embodiment, the usage status information includes door opening/closing information 181 and temperature rise information 182 stored in the memory unit 180.

In this embodiment, the usage status information includes information detected most recently and in the past in the refrigerator 100. For example, the usage status information includes most recent information, first past information, and second past information. The most recent information includes door opening/closing information 181 and temperature rise information 182 related to the most recent specified unit time in the refrigerator 100 (e.g., the most recent hour from the time of transmission). The first past information includes door opening/closing information 181 and temperature rise information 182 related to the previous specified unit time (e.g., the time between 2 hours before and 1 hour before the time of transmission). The second past information includes door opening/closing information 181 and temperature rise information 182 related to the second previous specified unit time (e.g., the time between 3 hours before and 2 hours before the time of transmission).

In this embodiment, the control unit 150 also acquires a control command for the refrigerator 100 generated by the server 200 from the server 200 via the communication unit 140. One example of a control command for the refrigerator 100 is a command to execute a special operation that reduces the power consumption of the refrigerator 100. The special operation will be described in detail later. The control unit 150 controls the cooling unit 130 based on the control command acquired from the server 200. For example, when the control unit 150 acquires a command to execute a special operation as the control command, the control unit 150 performs a special operation of the refrigerator 100 based on the execution command.

The control unit 150 stores the execution results of the special operation in the memory unit 180 as execution result information 183. The execution result information 183 includes, for example, whether or not a special operation was performed for each predetermined unit of time (for example, one hour). The execution result information 183 is, for example, information indicating whether a normal operation, a first special operation, or a second special operation (described below) was performed for each predetermined unit of time (for example, one hour). The control unit 150 retains the execution result information 183 in the memory unit 180 for the above-mentioned predetermined time (for example, three hours).

The control unit 150 transmits the execution result information 183 to the server 200 at a predetermined unit time (e.g., every hour) measured by the timer 151. The execution result information 183 includes the execution results of the special operations executed most recently and in the past in the refrigerator 100. For example, the execution result information 183 includes the most recent information, the first past information, and the second past information. The most recent information includes the execution results of the special operation for the most recent predetermined unit time (e.g., the last hour relative to the transmission time) in the refrigerator 100. The first past information includes the execution results of the special operation for the previous predetermined unit time (e.g., the time between 2 hours before and 1 hour before the transmission time). The second past information includes the execution results of the special operation for the second previous predetermined unit time (e.g., the time between 3 hours before and 2 hours before the transmission time).

2.6 Storage Unit
The storage unit 180 is a functional unit that stores various information. The storage unit 180 is realized by a combination of a random access memory (RAM), a read only memory (ROM), an electrically erasable programmable ROM (EEPROM), a solid state drive (SSD), etc. The storage unit 180 stores door opening/closing information 181, temperature rise information 182, and execution result information 183.

<3. Server>
Next, the server 200 will be described in detail.
4 is a block diagram showing a functional configuration of the server 200. The server 200 includes, for example, an information acquisition unit 210, an operation plan generation unit 220, a control command output unit 230, an implementation rate calculation unit 240, an information output unit 250, and a storage unit 280.

The information acquisition unit 210, the operation plan generation unit 220, the control command output unit 230, the implementation rate calculation unit 240, and the information output unit 250 are realized by one or more hardware processors, such as a CPU, mounted on the server 200 executing a program. However, some or all of these functional units may be realized by hardware such as an ASIC, PLD, or FPGA, or may be realized by a combination of software and hardware. These functional units may be provided separately in multiple server devices. Furthermore, one or more of these functional units may be provided in the terminal device 300 or the refrigerator 100 instead of the server 200.

<3.1 Information Acquisition Unit>
The information acquiring unit 210 acquires the usage status information transmitted from the refrigerator 100. The information acquiring unit 210 stores the usage status information acquired from the refrigerator 100 in the storage unit 280 as a part of the usage status accumulated information 281. In this embodiment, when the information acquiring unit 210 acquires the usage status information from the refrigerator 100, it determines based on the usage status accumulated information 281 whether the first past information and the second past information included in the newly acquired usage status information are information that have already been acquired and accumulated.

If the first past information and the second past information included in the newly acquired usage status information have already been acquired and stored, the information acquisition unit 210 discards the first past information and the second past information and stores the most recent information as part of the usage status accumulated information 281. On the other hand, if at least one of the first past information and the second past information included in the newly acquired usage status information is unstored information (for example, if it has not been acquired due to a past communication interruption), the information acquisition unit 210 stores the unstored information as part of the usage status accumulated information 281. In this way, the information acquisition unit 210 stores the refrigerator 100's usage status information from the past to the most recent.

The information acquisition unit 210 acquires the execution result information 183 transmitted from the refrigerator 100. The information acquisition unit 210 stores the execution result information 183 acquired from the refrigerator 100 in the storage unit 280 as part of the execution result accumulation information 282. In this embodiment, when the execution result information 183 is acquired from the refrigerator 100, the information acquisition unit 210 determines, based on the execution result accumulation information 282, whether the first past information and the second past information included in the newly acquired execution result information 183 are information that have already been acquired and accumulated.

If the first past information and the second past information included in the newly acquired execution result information 183 have already been acquired and stored, the information acquisition unit 210 discards the first past information and the second past information and newly stores the most recent information as part of the execution result accumulation information 282. On the other hand, if at least one of the first past information and the second past information included in the newly acquired execution result information 183 is unstored information (for example, if it has not been acquired due to a past communication interruption), the information acquisition unit 210 newly stores the unstored information as part of the execution result accumulation information 282. In this way, the information acquisition unit 210 stores execution result information 183 from the past to the most recent for the refrigerator 100.

<3.2 Operation plan generation unit>
The operation plan generating unit 220 analyzes the lifestyle pattern (usage pattern of the refrigerator 100) of the user U based on the usage status information for a predetermined period (e.g., the past two weeks) included in the usage status accumulated information 281, and generates an operation plan for the refrigerator 100 according to the lifestyle pattern of the user U. In other words, the operation plan generating unit 220 is a learning function unit that learns the usage pattern of the refrigerator 100 by the user U. In this application, "learning" broadly means updating past decisions based on new information.

In this embodiment, the operation plan generating unit 220 generates an operation plan for the next same day of the week based on the usage status information for the same day of the week for the past two weeks. For example, the operation plan generating unit 220 generates an operation plan for the next Monday based on the usage status information for the previous and previous Mondays. The same applies to Tuesdays to Sundays.

In this embodiment, the operation plan of the refrigerator 100 is a plan that specifies the time period during which the refrigerator 100 performs normal operation and the time period during which the refrigerator 100 performs special operation. The special operation is an operation that reduces the power consumption of the refrigerator 100. In this embodiment, the special operation includes a first special operation (eco operation) and a second special operation (pre-cooling operation). Note that below, an example will be described in which the first special operation is performed based on the number of times the door is opened and closed. Alternatively/in addition to this, the first special operation may be performed based on the door open time.

(Normal operation)
The normal operation is, for example, an operation set in the initial settings of the refrigerator 100. For example, the normal operation is an operation that assumes that the refrigerator 100 is used by the user U (for example, the door 20 is opened and closed). In other words, the normal operation is an operation in which a relatively low set temperature (target temperature) is set so that the temperature rise in the storage chamber 30 can be suppressed to a certain level or less even when the door 20 is opened and closed.

(First special operation)
The first special operation is an operation for reducing power consumption of the refrigerator 100 by increasing the set temperature (target temperature) of the storage compartment 30 as compared with the normal operation during a time period when the number of opening and closing of the door 20 is estimated to be low, and suppressing the operation of the cooling unit 130. For example, the first special operation increases the set temperature of the storage compartment 30 by 1° C. or 2° C. as compared with the normal operation, thereby decreasing the operating frequency of the compressor, the rotation speed of the first fan, or the rotation speed of the second fan.

In this embodiment, the operation plan generating unit 220 executes the first special operation during the same time period on the next same day of the week if the number of times the door 20 is opened and closed during a predetermined unit time (e.g., one hour) during the same time period on the same day of the week in the past two weeks is equal to or less than a predetermined number (e.g., five times or less). On the other hand, if there is a day during the same time period on the same day of the week in the past two weeks on which the number of times the door 20 is opened and closed during the above-mentioned predetermined unit time exceeds the above-mentioned predetermined number, the operation plan generating unit 220 does not execute the first special operation during the next same time period on the same day of the week, and executes normal operation. Hereinafter, the first special operation may be referred to as "eco operation".

The number of times that the door 20 is opened and closed is, for example, the total number of times that all the doors 20 (refrigerator door 21, vegetable door 22, ice maker door 23, small freezer door 24, and main freezer door 25) included in the refrigerator 100 are opened and closed. Alternatively, the number of times that the door 20 is opened and closed may be the total number of times that a representative specific door (for example, refrigerator door 21, vegetable door 22, and main freezer door 25) is opened and closed.

(Second special operation)
The second special operation is an operation in which, when a large temperature rise (a temperature rise exceeding a threshold value) is expected in the storage compartment 30, the temperature of the storage compartment 30 is lowered in advance (so-called cooling is performed) to cut the peak of the temperature rise in the storage compartment 30, thereby suppressing a decrease in the cooling efficiency (COP: Coefficient Of Performance) and reducing the power consumption of the refrigerator 100. For example, the second special operation sets the set temperature (target temperature) of the specific storage compartment 30 lower than that of the normal operation for a predetermined unit time in which a large temperature rise is expected to occur in the specific storage compartment 30 and for a predetermined unit time immediately before that time, thereby lowering the temperature of the specific storage compartment 30 in advance. For example, the second special operation increases the operating frequency of the compressor, the rotation speed of the first fan, or the rotation speed of the second fan by lowering the set temperature of the storage compartment 30 by 1° C. or 2° C. compared to that of the normal operation.

In this embodiment, when a large temperature rise is detected in the storage room 30 during the same time period on the same day of the week in the past two weeks, the operation plan generating unit 220 executes the second special operation during the same time period on the next same day of the week and the time period immediately preceding that. On the other hand, when there is a day during the same time period on the same day of the week in the past two weeks on which no large temperature rise is detected in the storage room 30, the operation plan generating unit 220 does not execute the second special operation on the next same day of the week, but executes normal operation or the first special operation. Hereinafter, the second special operation may be referred to as "pre-cooling operation".

In this embodiment, the operation plan of the refrigerator 100 is a plan that specifies whether to perform normal operation, first special operation, or second special operation for each specified unit time (e.g., every hour). Note that, when the first special operation and the second special operation are scheduled to be performed in the same time period, the operation plan generating unit 220 sets the second special operation as a priority.

Figure 5 is a diagram showing an example of an operation plan created by the operation plan generation unit 220. The example shown in Figure 5 shows a case where an operation plan for the next Monday is generated based on the usage information for the previous and previous Mondays.

In the example shown in FIG. 5, (A) the time slots from 0:00 to 6:00 are assigned as the time slots for the first special operation in the operation plan for the next Monday because the number of door openings on the previous and previous Mondays was less than the specified number and no large temperature rise was detected. (B) the time slots from 6:00 to 8:00 are assigned as the time slots for the second special operation in the operation plan for the next Monday because a large temperature rise was detected between 7:00 and 8:00 on the previous and previous Mondays. (C) the time slot from 8:00 to 9:00 is assigned as the time slot for the normal operation in the operation plan for the next Monday because no large temperature rise was detected on the previous and previous Mondays, but there were days when the number of door openings was more than the specified number. (D) the time slots from 9:00 to 11:00 are assigned as the time slots for the first special operation in the operation plan for the next Monday because the number of door openings on the previous and previous Mondays was less than the specified number and no large temperature rise was detected.

3.3 Control command output section
The control command output unit 230 transmits a control command corresponding to the operation plan generated by the operation plan generating unit 220 to the refrigerator 100. For example, the control command output unit 230 transmits a control command for the next predetermined unit time to the refrigerator 100 every predetermined unit time (for example, every hour). In this embodiment, the control command includes any one of an execution command for a normal operation, an execution command for a first special operation, or an execution command for a second special operation.

<3.4 Implementation rate calculation section>
The implementation rate calculation unit 240 calculates the implementation rate of the special driving based on the execution result accumulation information 282. Hereinafter, the implementation rate of the special driving may be referred to as the "eco-driving rate." The eco-driving rate is calculated based on the following formula, for example. Note that the "number of blocks" refers to the number of predetermined unit times in which each driving is performed.

Eco operation rate [%] = (Eco operation + number of blocks of pre-cooling operation / (Eco operation + normal operation + number of blocks of pre-cooling operation)) x 100 ... (Formula 1)

In this embodiment, the eco-driving rate is calculated excluding time periods when there is no past data due to poor communication. In other words, uncertain factors are not included in the parameter. The eco-driving rate is the driving rate for time periods when data for the current day exists. In other words, the eco-driving rate is calculated based on data from the current day onwards (for example, execution result accumulation information 282 accumulated from midnight to the present). Note that "data from the current day onwards" is not limited to data from midnight onwards, but may be data from another reference time on the current day onwards (for example, data from 1am onwards). Two examples of calculating the eco-driving rate are shown below.

<Calculation Example 1>
If the current time is 10 p.m., there are 10 blocks of eco operation, 10 blocks of normal operation, 2 blocks of pre-cooling operation, and 0 blocks of offline,
Eco-driving rate [%] = 12 blocks / 22 blocks = 55%

<Calculation Example 2>
If the current time is 10:00, there are 9 blocks of eco operation, 1 block of normal operation, 0 blocks of pre-cooling operation, and 0 blocks of offline,
Eco-driving rate [%] = 9 blocks / 10 blocks = 90%

<3.5 Display information output unit>
The display information output unit 250 generates information to be displayed on the display screen 301a of the terminal device 300 (hereinafter referred to as "display information"), and transmits the generated display information to the terminal device 300. The display information includes the usage state information included in the usage state accumulation information 281, the execution result information 183 included in the execution result accumulation information 282, and the execution rate of the special operation calculated by the execution rate calculation unit 240. The display information will be described in detail later.

3.6 Storage Unit
The storage unit 280 is realized by a combination of a RAM, a ROM, an EEPROM, an SSD, etc. The storage unit 280 stores usage status accumulation information 281 and execution result accumulation information 282.

4. Terminal Device
Next, the terminal device 300 will be described in detail.
6 is a block diagram showing the functional configuration of the terminal device 300. The terminal device 300 includes, for example, an information acquisition unit 310, an operation acceptance unit 320, a display control unit 330, and a storage unit 380.

The information acquisition unit 310, the operation acceptance unit 320, and the display control unit 330 are realized by one or more hardware processors, such as a CPU, mounted on the terminal device 300 executing the application program P. In other words, the information acquisition unit 310, the operation acceptance unit 320, and the display control unit 330 are software functional units included in the home appliance management application APP.

4.1 Information Acquisition Unit
The information acquisition unit 310 acquires information related to the home appliance management application APP and received from the server 200. For example, the information acquisition unit 310 acquires display information generated by the server 200 from the server 200. In this application, "acquire" is not limited to actively acquiring information by outputting a transmission request, but also includes acquiring information by passively receiving information transmitted from another device.

4.2 Operation Reception Unit
The operation reception unit 320 receives an operation of the user U performed on the input device 302 in relation to the home appliance management application APP. For example, the operation reception unit 320 receives an operation of the user U on an operation unit (e.g., operation units B1, B2, B3a, B3b, B4, B5a, and B5b) displayed on the display screen 301a, which will be described later. The operation reception unit 320 transmits a signal corresponding to the operation unit operated by the user U to the server 200. As a result, the server 200 performs a process (such as changing the display content) corresponding to the operation unit operated by the user U.

4.3 Display control unit
The display control unit 330 controls the display device 301 of the terminal device 300, thereby controlling the content displayed on the display screen 301a of the display device 301. For example, the display control unit 330 causes the display information acquired by the information acquisition unit 310 to be displayed on the display screen 301a. For example, the display device 301 controlled by the display control unit 330 is an example of a "display unit."

4.4 Storage Unit
The storage unit 380 is realized by a combination of a RAM, a ROM, an EEPROM, an SSD, etc. The storage unit 380 stores an application program P.

<5. Display contents on the display screen>
Next, the display contents of the terminal device 300 will be described. The display contents described below are performed by the processing of the display control unit 330 unless otherwise specified. Furthermore, the operations by the user U described below are accepted by the operation acceptance unit 320 unless otherwise specified.

Fig. 7 is an example of display information displayed on the display screen 301a, and is a diagram showing an example of a power saving performance display screen D1 that shows the power saving performance of the refrigerator 100. Fig. 7 shows, for example, a screen that is displayed at 13:00 on May 17, 2021. Note that the black frame indicated by the reference symbol 301a in Fig. 7 indicates the content that is displayed at one time on the display screen 301a of the display device 301.

In this embodiment, the display control unit 330 displays the operation unit B1, the driving performance display area R1, the door opening/closing count display area R2, and the door opening/closing history display area R3 on the power saving performance display screen D1. In this embodiment, the display control unit 330 displays the driving performance display area R1, the door opening/closing count display area R2, and the door opening/closing history display area R3 on one screen (the same screen). In this application, "displaying on one screen" means "displaying on a continuous screen." In other words, "displaying on one screen" is not limited to being displayed on a screen that can be viewed at one time (for example, on the display screen 301a), but may also include a case where the screen is displayed in order by scrolling from a state where a part of the screen that can be viewed at one time is hidden.

5.1 Operation unit
The operation unit B1 accepts an operation to change the date to which the display information displayed on the power saving performance display screen D1 corresponds. For example, the operation unit B1 includes a first operation unit B1a and a second operation unit B1b. When the first operation unit B1a is operated (e.g., tapped) by the user U, display information (operation performance, door opening/closing count, door opening/closing history, etc.) corresponding to the date one day before the displayed date is displayed. On the other hand, when the second operation unit B1b is operated (e.g., tapped) by the user U, display information corresponding to the date one day after the displayed date is displayed. The screen displayed by operating the operation unit B1 will be described later.

<5.2 Operation performance display area>
The operation result display area R1 displays the operation results of the refrigerator regarding the special operation. The operation result display area R1 includes an implementation rate display area R1a and an operation history display area R1b.

(Implementation rate display area)
The implementation rate display area R1a displays the implementation rate of special driving (eco-driving rate). In this embodiment, the implementation rate display area R1a displays the implementation rate of special driving calculated by the implementation rate calculation unit 240 of the server 200. That is, the implementation rate display area R1a displays the implementation rate of special driving calculated based on data from the current day onwards. In the example shown in FIG. 7, the implementation rate of special driving based on data from 0:00 to 13:00 on May 17th is displayed. Note that the example shown in FIG. 7 is the content displayed on the display screen 301a at 13:00 on May 17th. That is, in the example shown in FIG. 7, the period from 14:00 onwards relates to the future.

(Driving history display area)
The operation history display area R1b displays the type of operation performed from the early hours of the day to the present. For example, the type of operation is displayed by a time bar 401 in a chronological order. The time bar 401 indicates the type of operation performed at each predetermined unit time by, for example, color coding. In the example shown in FIG. 7, the first special operation (eco operation) is performed from 0:00 to 3:00, no data exists from 3:00 to 4:00 due to communication interruption (offline), the first special operation (eco operation) is performed from 4:00 to 6:00, the second special operation (pre-cooling operation) is performed from 6:00 to 8:00, normal operation is performed from 8:00 to 9:00, the first special operation (eco operation) is performed from 9:00 to 11:00, and normal operation is performed from 11:00 to 13:00.

The information indicating the type of driving displayed in the driving history display area R1b (e.g., the time bar 401) is an example of the "execution result of a special driving" and an example of "information indicating the implementation time period during which a special driving was performed." In the example shown in FIG. 7, the implementation time periods during which the first special driving was performed were from 0:00 to 3:00, 4:00 to 6:00, and 9:00 to 11:00. The implementation time period during which the second special driving was performed was from 6:00 to 8:00.

The operation history display area R1b displays a special display 402 in association with the time series of the time bar 401. The special display 402 is a display indicating that a large temperature rise exceeding a threshold was predicted in the generation of the operation plan (a large temperature rise was detected on the same day of the week in the past two weeks). The special display 402 is displayed in association with the time when a large temperature rise was predicted in the time series.

<5.3 Door opening/closing count display area>
The door opening/closing count display area R2 displays the number of times the doors have been opened and closed from the early hours of the day up to the present. In the example shown in Fig. 7, the number of times the refrigerator door 21, the vegetable door 22, and the freezer door 20C are opened and closed are displayed as separate numerical values. In addition, the total number of times these doors (refrigerator door 21, vegetable door 22, and freezer door 20C) are opened and closed is displayed as a numerical value.

<5.4 Door Opening/Closing History Display Area R3>
The door opening/closing history display area R3 displays the number of times the door has been opened and closed from the early hours of the day to the present in the form of a bar graph 411. In the example shown in FIG. 7, the total number of times the door 20 (refrigerator door 21, vegetable door 22, freezer door 20C) is opened and closed is displayed for each predetermined unit time (e.g., 1 hour). In addition, the details of the number of times the refrigerator door 21 is opened and closed, the number of times the vegetable door 22 is opened and closed, and the number of times the freezer door 20C is opened and closed are displayed for each predetermined unit time (e.g., 1 hour). That is, the display control unit 330 displays the information indicating the usage state of the refrigerator 100 by dividing it into information indicating the usage state of the refrigerator compartment 31 (e.g., the number of times the refrigerator door 21 is opened and closed), information indicating the usage state of the vegetable compartment 32 (e.g., the number of times the vegetable door 22 is opened and closed), and information indicating the usage state of the freezer compartment 30C (the number of times the freezer door 20C is opened and closed).

The number of times the door is opened and closed displayed in the door opening and closing history display area R3 is an example of "information indicating the refrigerator's usage state detected by the refrigerator." Note that the door opening and closing history display area R3 may display the door open time instead of or in addition to the number of times the door is opened and closed. The number of times the door is opened and closed or the door open time is an example of "information regarding door opening and closing."

Figure 8 is a diagram showing the correspondence between the operation history display area R1b and the door opening/closing history display area R3. In this embodiment, the display control unit 330 displays the results of the special operation and information indicating the usage status of the refrigerator 100 in the same chronological order. "Displaying in the same chronological order" means, for example, that the length (interval) L of the unit time of the time axis included in the graph is the same, and may also apply to cases where the graphs or figures are separate.

In the example shown in FIG. 8, a time bar 401 indicating the type of driving in the driving history display area R1b and a bar graph 411 indicating the number of door openings and closings in the door opening and closing history display area R3 are displayed in the same chronological order. In this embodiment, the driving history display area R1b and the door opening and closing history display area R3 are arranged so that the time on the time axis included in the driving history display area R1b (e.g., the time included in the time bar 401) coincides with the time on the time axis included in the door opening and closing history display area R3 (e.g., the time included in the bar graph 411).

The contents displayed in the driving history display area R1b and the contents displayed in the door opening/closing history display area R3 may be displayed in a single graph. Also, the door opening/closing count display area R2 may be omitted, and the driving history display area R1b and the door opening/closing history display area R3 may be arranged adjacent to each other.

<5.5 Display of past power saving results>
Fig. 9 is a diagram showing an example of a power saving performance display screen D1 showing past power saving performance. The power saving performance display screen D1 is displayed, for example, by operating the first operation unit B1a shown in Fig. 7. The screen shown in Fig. 9 is a screen showing, for example, the power saving performance on May 16, 2021, which is a past date.

In this embodiment, the display control unit 330 displays the past execution results of the special operation and information indicating the past usage status of the refrigerator 100 on one screen (the same screen). For example, the display control unit 330 displays the operation performance display area R1, the door opening and closing count display area R2, and the door opening and closing history display area R3 for a past day on one screen.

6. Control Flow
Next, the control flow will be described.
10 is a sequence diagram showing a flow of control. In FIG. 10, it is assumed that accumulated usage status information 281 for the past two weeks of refrigerator 100 is accumulated in storage unit 280 of server 200.

First, the operation plan generating unit 220 of the server 200 analyzes the lifestyle pattern (the usage pattern of the refrigerator 100) of the user U based on the accumulated usage status information 281 of the refrigerator 100 for the past two weeks accumulated in the memory unit 280, and generates an operation plan for the refrigerator 100 according to the lifestyle pattern of the user U (S101). Next, the control command output unit 230 of the server 200 transmits a control command for the next predetermined unit time according to the operation plan to the refrigerator 100 every predetermined unit time (e.g., every hour) (S102). When the control unit 150 of the refrigerator 100 receives a control command from the server 200, it controls the cooling unit 130 of the refrigerator 100 based on the received control command (S103).

The control unit 150 of the refrigerator 100 transmits to the server 200, at each predetermined unit time, usage status information (e.g., door open/close information 181 and temperature rise information 182) indicating the usage status of the refrigerator 100 detected during the predetermined unit time, and execution result information 183 indicating the operation details of the refrigerator 100 during the predetermined unit time (S104). The server 200 accumulates the usage status information received from the refrigerator 100 as usage status accumulation information 281, and accumulates the execution result information 183 received from the refrigerator 100 as execution result accumulation information 282 (S105).

When the information acquisition unit 310 of the terminal device 300 receives an operation by the user U to display the power saving performance display screen D1 on the display screen 301a (S111), it transmits a request to send display information to the server 200 (S112). When the information output unit 250 of the server 200 receives a request to send display information, it generates display information based on the latest usage status accumulated information 281 and execution result accumulated information 282 (S113) and transmits the generated display information to the terminal device 300 (S114). When the display information is acquired by the information acquisition unit 310, the display control unit 330 of the terminal device 300 displays the usage status information, execution result information 183, and the implementation rate of special operation included in the display information on one screen (S115).

7. Advantages
As a comparative example, consider a terminal device that displays the time period when the refrigerator is in energy-saving operation and the degree of energy saving. With such a terminal device, even if the user can understand that the refrigerator is in energy-saving operation, other information sources are scarce, and therefore the device may not be able to fully support the user's awareness of energy saving. As a result, it may be difficult for the user U to take the next specific action.

On the other hand, in this embodiment, the display control unit 330 of the terminal device 300 displays on one screen the results of the special operation of the refrigerator 100 that reduces power consumption and information indicating the usage status of the refrigerator 100 detected by the refrigerator 100. This configuration can support the energy conservation awareness of the user U, making it easier for the user U to take the following specific actions. For example, it becomes easier for the user U to take specific actions such as "reducing the number of times the door is opened and closed" and "allowing hot foods to cool before putting them in." This can increase convenience for the user U.

Here, since users have a wide variety of lifestyle habits, direct advice such as "Please open and close the door less frequently" or "Please let hot foods cool before putting them in" may not match what the user U wants, and may cause the user U to feel annoyed. On the other hand, according to the configuration of this embodiment, by displaying the feedback of the results of energy-saving operation together with information from the refrigerator 100, such as the number of times the door is opened and closed and the temperature rise, the user U can be provided with information that allows them to freely decide how to improve, and energy-saving awareness can be supported.

In this embodiment, the execution result of the special operation includes information indicating the time period during which the special operation was performed. With this configuration, it is possible to easily know during which time period the special operation was performed and during which time period the special operation was not performed, while comparing with the usage status of the refrigerator 100. This makes it easier for the user U to take the next specific action.

In this embodiment, the display control unit 330 displays the results of the special operation and the information indicating the above-mentioned usage status in the same chronological order. This configuration makes it easier to understand the correspondence between the usage status of the refrigerator 100 and the results of the special operation. This makes it easier for the user U to take the next specific action.

In this embodiment, the display control unit 330 displays the information indicating the above-mentioned usage status separately for information indicating the usage status of the first storage unit (refrigerator compartment 31 or vegetable compartment 32) and information indicating the usage status of the second storage unit (freezer compartment 30C). With this configuration, it becomes easier to understand the relationship between the opening and closing of each door 20 and the execution result of the special operation. This makes it easier for the user U to take the next specific action.

In this embodiment, the display control unit 330 displays the past execution results of the special operation and information indicating the past usage status of the refrigerator 100 on one screen. With this configuration, the user U can confirm the improvement effect based on the past execution results and the past usage status.

In this embodiment, the display control unit 330 displays on one screen the time period during which the special operation was performed as a result of the special operation, and the implementation rate of the special operation. With this configuration, the graph of the results of the special operation can be quantified, which can accommodate users U who want to check the situation at a glance.

In this embodiment, the implementation rate of the special operation is calculated based on data from the current day onwards. Here, since the first special operation (eco driving) is the basis during the night, when the implementation rate of the special operation is calculated based on data from the current day onwards, a relatively high value is calculated as the implementation rate of the special operation compared to when the implementation rate of the special operation is calculated based on data from the current day onwards. This makes it easier for the user U to maintain motivation for energy conservation.

(Modification)
11 is a diagram showing an example of a power saving performance display screen D1 according to a modification of the first embodiment. In this modification, the display control unit 330 displays a temperature history display area R4 instead of/in addition to the door opening/closing history display area R3.

The temperature history display area R4 displays the temperature history of the storage compartment 30 from the early hours of the day to the present. In the example shown in FIG. 11, the temperature history of the refrigerator compartment 31 and the temperature history of the main freezer compartment 35 are displayed separately. The operation unit B2 is an operation unit that switches between displaying the temperature history of the refrigerator compartment 31 and displaying the temperature history of the main freezer compartment 35. Specifically, when the first operation unit B2a is operated (e.g., tapped), the temperature history of the refrigerator compartment 31 is displayed. On the other hand, when the second operation unit B2b is operated (e.g., tapped), the temperature history of the main freezer compartment 35 is displayed. The temperature history of the refrigerator compartment 31 or the main freezer compartment 35 is an example of "information indicating the usage state of the refrigerator detected by the refrigerator". The temperature history of the refrigerator compartment 31 is an example of "information indicating the usage state of the refrigerator compartment 31". The temperature history of the main freezer compartment 35 is an example of "information indicating the usage state of the freezer compartment 30C".

With this configuration, as in the first embodiment, it is possible to support the user U's awareness of energy conservation, making it easier for the user U to take the next specific action.

Second Embodiment
Next, a second embodiment will be described. The second embodiment differs from the first embodiment in that the driving performance display area R1 and the door opening/closing history display area R3 move in conjunction with each other in response to a predetermined operation by the user U. The configuration other than that described below is the same as that of the first embodiment.

Fig. 12 is a diagram showing an example of the power saving performance display screen D1 of the second embodiment. In this embodiment, when a specific operation by a user U to display information on a different time period on a chronological order for either the execution result of the special operation or the information on the usage status of the refrigerator 100 is accepted, the display control unit 330 changes and displays the execution result of the special operation and the information on the usage status in a linked manner on a chronological order. The details of this will be described below.

For example, the driving history display area R1b is displayed in relatively large characters, and 24 hours' worth of information does not fit on the display screen 301a. For example, part of the time bar 401 does not fit on the display screen 301a and is not displayed. In this embodiment, the driving history display area R1b includes an operation unit B3a that can accept a swipe operation by the user U. A swipe operation is an operation of sliding a finger along a direction parallel to the time axis to display a non-displayed portion (hidden portion) of the time bar 401. The operation on the operation unit B3a is accepted by the operation acceptance unit 320.

Similarly, the door opening/closing history display area R3 is displayed in relatively large characters, and 24 hours' worth of information does not fit on the display screen 301a. For example, the bar graph 411 for some time periods does not fit on the display screen 301a and is not displayed. In this embodiment, the door opening/closing history display area R3 includes an operation unit B3b that can accept a swipe operation by the user U. A swipe operation is an operation in which a finger is slid along a direction parallel to the time axis to display the non-displayed portion (hidden portion) of the bar graph 411. The operation on the operation unit B3b is accepted by the operation acceptance unit 320.

In this embodiment, when the display control unit 330 receives a swipe operation by the user U on the operation unit B3a of the driving history display area R1b, the display control unit 330 changes the display content of the driving history display area R1b and the display content of the door opening and closing history display area R3 in a time-series linked manner. "Linked in a time-series manner" means maintaining a correspondence relationship in a time-series manner. For example, when the display control unit 330 receives a swipe operation by the user U on the operation unit B3a of the driving history display area R1b, the display control unit 330 changes the display content of the driving history display area R1b to slide to display the non-displayed portion (hidden portion) of the time bar 401, and changes the display content of the door opening and closing history display area R3 to slide to display the non-displayed portion (hidden portion) of the bar graph 411.

When the display control unit 330 receives a swipe operation by the user U on the operation unit B2b of the door opening/closing history display area R3, the display control unit 330 changes the display content of the driving history display area R1b and the display content of the door opening/closing history display area R3 in a time-series manner in conjunction with each other. For example, when the display control unit 330 receives a swipe operation by the user U on the operation unit B2b of the door opening/closing history display area R3, the display control unit 330 changes the display content of the driving history display area R1b to slide so that the non-displayed portion (hidden portion) of the time bar 401 is displayed, and changes the display content of the door opening/closing history display area R3 to slide so that the non-displayed portion (hidden portion) of the bar graph 411 is displayed.

This configuration makes it easier to compare the contents displayed in the driving history display area R1b with the contents displayed in the door opening/closing history display area R3. As a result, it reduces the effort required of the user U and makes it easier to analyze by time period.

Third Embodiment
Next, a third embodiment will be described. The third embodiment differs from the first embodiment in that the operation record and the usage state are displayed for each of the refrigerator compartment 31 and the freezer compartment 30C. The configuration other than that described below is the same as that of the first embodiment.

Figure 13 is a diagram showing an example of the power saving performance display screen D1 of the third embodiment. In this embodiment, normal operation, first special operation, or second special operation is set independently for the storage compartments 30 in the refrigeration temperature range (refrigeration compartment 31 and vegetable compartment 32) and the storage compartments 30 in the freezing temperature range (freezing compartment 30C). The power saving performance display screen D1 displays information showing the execution results and usage status of the special operation for the storage compartments 30 in the refrigeration temperature range and information showing the execution results and usage status of the special operation for the storage compartments 30 in the freezing temperature range, in a differentiated manner.

In this embodiment, the power saving performance display screen D1 has an operation unit B4 that can switch between information about the storage compartment 30 in the refrigeration temperature range and information about the storage compartment 30 in the freezing temperature range. The operation unit B4 includes a first operation unit B4a and a second operation unit B4b. When the first operation unit B4a is operated (e.g., tapped), an operation performance display area R1 for the storage compartment 30 in the refrigeration temperature range, a door opening and closing count display area R2, and a door opening and closing history display area R3 are displayed. On the other hand, when the second operation unit B4b is operated (e.g., tapped), an operation performance display area R1 for the storage compartment 30 in the freezing temperature range, a door opening and closing count display area R2, and a door opening and closing history display area R3 are displayed.

With this configuration, it becomes easier to understand the relationship between the usage status of each storage chamber 30 and the results of the special operation. This makes it easier for the user U to take the next specific action.

Fourth Embodiment
Next, a fourth embodiment will be described. The fourth embodiment is different from the first embodiment in that the door opening and closing count display area R2 can be made smaller or omitted. The configuration other than that described below is the same as that of the first embodiment.

Figure 14 is a diagram showing an example of the power saving performance display screen D1 of the fourth embodiment. (a) in Figure 14 shows a state in which the door opening and closing count display area R2 is displayed. When the operation section B5a of the power saving performance display screen D1 shown in (a) in Figure 14 is operated (e.g., tapped), the power saving performance display screen D1 shown in (a) in Figure 14 transitions to the power saving performance display screen D1 shown in (b) in Figure 14.

On the other hand, in the power saving performance display screen D1 shown in FIG. 14(b), the door opening and closing count display area R2 is made smaller or omitted. As a result, the operation performance display area R1 and the door opening and closing history display area R3 are arranged vertically inside the display screen 301a of the display device 301 and can be viewed simultaneously on the display screen 301a.

When the operation section B5b of the power saving performance display screen D1 shown in FIG. 14(b) is operated (e.g., tapped), the power saving performance display screen D1 shown in FIG. 14(b) returns to the power saving performance display screen D1 shown in FIG. 14(a).

With this configuration, the operation performance display area R1 and the door opening/closing history display area R3 can be simultaneously viewed on the display screen 301a of the display device 301. This makes it easier to understand the correspondence between the usage status of the refrigerator 100 and the results of the special operation.

Fifth Embodiment
Next, a fifth embodiment will be described. The fifth embodiment differs from the first embodiment in that the refrigerator 100 has a display device 301. The configuration other than that described below is the same as that of the first embodiment.

Figure 15 is a diagram showing a schematic configuration of a refrigerator 100 according to the fifth embodiment. In this embodiment, the refrigerator system 1 is composed of only the refrigerator 100. In this embodiment, the refrigerator 100 has a display device 301. The refrigerator 100 also has an operation plan generating unit 220 and a display control unit 330. The display control unit 330 causes the display device 301 of the refrigerator 100 to display the same display information as in the first to fourth embodiments. With this configuration, it is possible to improve the convenience of the user U, similar to the first to fourth embodiments.

A number of embodiments have been described above. However, the embodiments are not limited to the above examples. For example, multiple embodiments may be implemented in combination with each other. For example, the refrigerator 100 may store past usage status information and past execution result information 183 in the memory unit 180 only when a communication failure occurs between the server 200 and the refrigerator 100.

According to at least one of the embodiments described above, the program causes the computer to execute a process to display, on one screen, the results of the execution of a special operation of the refrigerator that reduces power consumption and information indicating the refrigerator's usage status detected by the refrigerator. With this configuration, it is possible to improve convenience.

Although several embodiments of the present invention have been described, these embodiments are presented as examples and are not intended to limit the scope of the invention. These embodiments can be implemented in various other forms, and various omissions, substitutions, and modifications can be made without departing from the gist of the invention. These embodiments and their modifications are within the scope of the invention and its equivalents as set forth in the claims, as well as the scope and gist of the invention.

1...refrigerator system, 10...casing, 20...door, 100...refrigerator, 200...server, 300...terminal device, 310...information acquisition unit, 320...operation reception unit, 330...display control unit.

Claims (6)

On the computer,
A process of displaying, on one screen, a result of execution of a special operation of a refrigerator to reduce power consumption and information indicating a usage state of the refrigerator detected by the refrigerator;
Run the command,
the special operation includes a pre-cooling operation for lowering a temperature in a storage compartment of the refrigerator in advance for a time when a temperature rise in the storage compartment is expected based on a usage state of the refrigerator detected in the past on or before the previous day,
the process of displaying includes a process of displaying, when the pre-cooling operation is performed, an execution result of the pre-cooling operation and information indicating a usage state of the refrigerator detected by the refrigerator on a day when the pre-cooling operation is performed, on the one screen.
program. The process of displaying includes a process of displaying, on the one screen, information on a usage state of the refrigerator detected in the past on or before the previous day, the information being related to a decision on the pre-cooling operation.
2. The program according to claim 1. The process of displaying includes a process of displaying, on the one screen, information related to a usage state of the refrigerator detected in the refrigerator on a day when the pre-cooling operation is performed, in addition to a result of the execution of the pre-cooling operation and information indicating a usage state of the refrigerator detected in the refrigerator on a day when the pre-cooling operation is performed, and information related to a usage state of the refrigerator detected in the past on or before the previous day, which is related to a decision to perform the pre-cooling operation.
3. The program according to claim 1 or 2. the information indicating a usage state of the refrigerator detected in the refrigerator on the execution date of the pre-cooling operation is information indicating a usage state of the refrigerator detected in the refrigerator during an execution time of the pre-cooling operation,
A program according to any one of claims 1 to 3. the process of displaying includes a process of displaying, when the pre-cooling operation is performed, a time-series display indicating an execution result of the pre-cooling operation for each time zone, and information indicating a usage state of the refrigerator detected in the refrigerator on a day when the pre-cooling operation was performed for the same time zone corresponding to the display on the time zone, on the one screen.
A program according to any one of claims 1 to 4. A refrigerator capable of performing a special operation to reduce power consumption,
a display unit that displays, on one screen, a result of the execution of the special operation and information indicating a usage state of the refrigerator detected by the refrigerator,
the special operation includes a pre-cooling operation for lowering a temperature in a storage compartment of the refrigerator in advance for a time when a temperature rise in the storage compartment is expected based on a usage state of the refrigerator detected in the past on or before the previous day,
When the pre-cooling operation is performed, the display unit displays, on the one screen, an execution result of the pre-cooling operation and information indicating a usage state of the refrigerator detected in the refrigerator on a day when the pre-cooling operation is performed.
refrigerator.

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