JP7159404B2 - Refrigeration systems, refrigerators, and programs - Google Patents

Description

The present invention relates to refrigeration systems, refrigerators, and programs .

With the progress of IoT technology, technology for connecting refrigerators to external networks has been developed. For example, Patent Literature 1 describes a control device that obtains the storage temperature of an article and the estimated position of the user, and changes the set temperature of the refrigerator from a first set temperature to a second set temperature that is lower than the first set temperature. It is

Japanese Patent Application Laid-Open No. 2017-020730 (published on January 26, 2017)

A refrigerator performs cooling by repeatedly turning on and off a compressor. And when precooling (precooling), time of about 30 minutes is required. This is because unless the compressor is turned on continuously for about 30 minutes, the food in the refrigerator and the heat insulating wall will not cool down.

In Cited Document 1 mentioned above, when the user unlocks the house or when the user's position is within a limited range from the house, the temperature of the refrigerator is changed to the second set temperature, that is, precooling is started. is doing. However, even if pre-cooling starts when the house is unlocked, it is unlikely that sufficient pre-cooling time will be obtained. In addition, if pre-cooling is started only from position information, it is unclear what means (train, car, bicycle, walking, etc.) the user will use to return home from that position, and sufficient pre-cooling time cannot be obtained. there is a possibility. Conversely, pre-cooling may be wasted if the user takes a detour.

Further, in Cited Document 1, the storage temperature of the article is acquired using the POS information. However, in order to acquire the POS information, cooperation with the POS equipment is required, which is complicated. Also, it is not realistic to cooperate with all POS devices in the world.

An aspect of the present invention has been made in view of the above problems, and an object thereof is to realize a control device and the like that can appropriately precool a refrigerator.

A refrigeration system according to one aspect includes a location information acquisition unit that acquires location information of a mobile communication terminal, a registered location that is different from the refrigerator and is registered in advance, and the location information acquired by the location information acquisition unit. and a control unit that causes the refrigerator to start precooling processing when the mobile communication terminal stays at the registered position based on the above .

A refrigerator according to one aspect includes a freezer compartment, a compressor, and a precooling processing unit that performs a precooling process of lowering the temperature of the freezer compartment by increasing the rotation speed of the compressor, wherein the precooling process is executed when the mobile communication terminal is staying at the registered position which is different from the refrigerator and based on the registered position registered in advance and the position information of the mobile communication terminal.
A program according to one aspect comprises, in a computer, a location information acquisition unit that acquires location information of a mobile communication terminal; a registered location that is different from a refrigerator and is registered in advance; a pre-cooling determination unit that determines whether the mobile communication terminal is staying at the registered position based on the above; and a transmitter that transmits a confirmation.

According to one aspect of the present invention, precooling can be started in consideration of the time until the article is put into the refrigerator, so that the precooling time can be appropriately ensured, and precooling is not wasted. There is an effect that it is possible to prevent

1 is a block diagram showing the main configuration of a communication device according to an embodiment of the present invention; FIG. It is a block diagram which shows the principal part structure of the refrigerator which concerns on the said embodiment. It is a block diagram which shows the outline|summary of the said embodiment. FIG. 10 is a diagram showing an example of a determination table; FIG. (a) to (f) are diagrams for explaining the flow of generating a determination table. It is a flow chart which shows a flow of pre-cooling processing in the above-mentioned refrigerator. It is a flowchart which shows the flow of the rapid-cooling process in the said refrigerator. It is a table which shows the setting of the parameter in the said refrigerator. FIG. 4 is a sequence diagram showing the flow of precooling processing in the refrigeration system according to the embodiment; It is a figure which shows the example of a display displayed on the mobile communication terminal which concerns on the said embodiment. 4 is a flow chart showing a flow of processing in which the communication device sends a precooling start instruction; 4 is a flow chart showing a flow of processing in which the communication device sends a precooling stop instruction after sending a precooling start instruction. (a) and (b) are diagrams for explaining determination processing of purchase prediction conditions in the communication device. (a) and (b) are diagrams for explaining determination processing of purchase prediction conditions in the communication device. 9 is a flow chart showing the flow of processing when a communication device according to another embodiment of the present invention determines defrosting processing. 4 is a flow chart showing a flow of processing for speeding up defrosting processing in the communication device; It is a flowchart which shows the flow of the process which determines whether purchase preliminary|backup anticipation conditions are satisfy|filled in the said communication apparatus.

[Embodiment 1]
〔Overview〕
BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of the present invention will be described in detail. First, an outline of an embodiment of the present invention will be described with reference to FIG. FIG. 3 is a block diagram outlining an embodiment of the present invention. As shown in FIG. 3, a refrigeration system 10 according to this embodiment includes a refrigerator 1, a communication device (control device) 2, a router 3, an information server 4, a mobile communication terminal 5, and a network 6. Although the refrigerator 1 and the communication device 2 are described separately in this embodiment, the refrigerator 1 may include the function of the communication device 2 . Also, in this embodiment, the freezer compartment will be described as an example, but the present invention is not limited to this, and the present invention can be applied to compartments other than the freezer compartment, such as a refrigerator compartment and a vegetable compartment.

As shown in FIG. 3 , the communication device 2 connects the refrigerator 1 and the network 6 via the router 3 . That is, in this embodiment, the refrigerator 1 and the network 6 are not directly connected, but the communication device 2 serves as a buffer zone (DMZ). An information server 4 and a user's mobile communication terminal 5 are also connected to the network 6 . Information server 4 transmits various types of information to mobile communication terminal 5 and refrigerator 1 via network 6 . Note that the information server 4 may not be included in the refrigeration system 10 if the information provided by the information server 4 is not required.

In the refrigeration system 10 according to the present embodiment, the user's position obtained from the mobile communication terminal 5 and a determination table (details will be described later) stored in the communication device 2 are used to determine whether the user needs to freeze. It is determined whether or not food (goods) has been purchased. When it is determined that there has been a purchase, the estimated return time of the user is derived, and precooling is performed in the refrigerator 1 based on the derived estimated return time.

As a result, since precooling is not started only based on the positional information as in the prior art, it is possible to prevent the precooling time from running out and the precooling from being wasted.

In this embodiment, an example will be described in which the communication device 2 executes purchase determination of frozen food and pre-cooling instruction, but the refrigerator 1 may execute these processes.

[Communication device 2]
Next, the communication device 2 will be described with reference to FIG. FIG. 1 is a block diagram showing the main configuration of the communication device 2. As shown in FIG. As shown in FIG. 1, the communication device 2 according to this embodiment includes a control section 200, a storage section 210, a network communication section 220, and a transmission/reception section 230. FIG.

The storage unit 210 stores various data used in processing in the communication device 2, including a determination table 211. FIG. The determination table 211 is a table used for determining whether or not to start precooling in the communication device 2 . Details of the determination table 211 will be described later.

The control unit 200 controls each unit of the communication device 2 in an integrated manner. Defrost postponement instruction transmitter) 203 , control command generator (pre-cooling instruction transmitter, defrost postponement instruction transmitter) 204 , and determination table generator (position registration unit, position designation receiver) 205 .

The location information acquisition unit 201 periodically acquires the location of the mobile communication terminal 5 as the location of the user via the network 6 . Note that the acquisition cycle can be set as appropriate.

The pre-cooling determination unit 202 uses the user's position acquired by the position information acquisition unit 201 and the determination table 211 to determine whether or not to start pre-cooling in the refrigerator 1, and to determine the start timing when pre-cooling is started. make a decision.

Defrosting determination unit 203 uses the user's position acquired by position information acquisition unit 201 and determination table 211 to determine whether refrigerator 1 should start defrosting or whether defrosting should be postponed. Note that the defrosting determination unit 203 may be omitted if the defrosting determination is not performed.

When the precooling determination unit 202 determines that the refrigerator 1 should start precooling, the control command generation unit 204 generates a control command to that effect, and transmits the control command to the refrigerator 1 via the transmission/reception unit 230 . Further, when the defrosting determining unit 203 determines that the refrigerator 1 should start defrosting or postpones defrosting, the control command generation unit 204 generates a control command to that effect and and send it to refrigerator 1.

The determination table generation unit 205 uses the temperature of the refrigerator compartment, the temperature of the freezer compartment, the opening/closing information of the door, the operation status of the compressor, and the position of the user acquired by the position information acquisition unit 201 acquired from the refrigerator 1 to make a determination. Creates and updates the table 211 . Details of generation and updating of the determination table 211 will be described later.

The network communication unit 220 connects the communication device 2 and the network 6 via the router 3 . The transmitter/receiver 230 communicates with the refrigerator 1 .

[Refrigerator 1]
Next, with reference to FIG. 2, the main configuration of the refrigerator 1 will be described. FIG. 2 is a block diagram showing the main configuration of the refrigerator 1. As shown in FIG. As shown in FIG. 2, the refrigerator 1 includes a control unit 100, a storage unit 110, a transmitting/receiving unit (receiving unit) 120, an ambient temperature detector 131, a freezer compartment temperature detector 132, a refrigerator compartment temperature detector 133, and a door open/close detector. It includes device 134 , compressor 135 , blower 136 , damper 137 and defrost heater 138 .

Control unit 100 controls each unit of refrigerator 1 in an integrated manner, and includes precooling processing unit 101 , rapid cooling processing unit 102 , defrosting processing unit 103 , and inquiry unit 104 .

The precooling processing unit 101 executes precooling processing in the refrigerator 1 . The pre-cooling process includes lowering the temperature of the freezer compartment, increasing the rotation speed of the compressor, and lowering the temperature of the refrigerating compartment for the purpose of accelerating freezing. The contents of the precooling process can be set by parameters described later. Also, these parameters may be arbitrarily set by the user.

Also, in the present embodiment, the precooling time is assumed to be 30 minutes, but it is not limited to this, and may be increased or decreased depending on the ambient temperature of the refrigerator 1, the season, and the like. For example, summer may be set longer.

The rapid cooling processing unit 102 executes rapid cooling processing in the refrigerator 1 . The contents of the rapid cooling process can be set by parameters described later. Moreover, these parameters may also be arbitrarily set by the user.

The defrosting processing unit 103 performs defrosting processing in the refrigerator 1 and controls the execution timing of the defrosting processing.

When receiving a precooling start instruction from the communication device 2, the inquiry unit 104 confirms with the user whether or not the precooling process can be started. More specifically, a pre-cooling confirmation requesting confirmation from the user is transmitted to the mobile communication terminal 5 .

Storage unit 110 stores various data used in processing in refrigerator 1 . The transmission/reception unit 120 communicates with the communication device 2 . Specifically, the transmitting/receiving unit 120 receives the precooling start instruction and the parameters of the freezer compartment and the refrigerator compartment from the communication device 2, and the operation status of the refrigerator 1 (current temperature setting, error information, evaluation indicating the necessity of defrosting). value, etc.). Further, the transmission/reception unit 120 periodically transmits information detected by various detectors of the refrigerator 1 to be described later to the communication device 2 .

Ambient temperature detector 131 detects the temperature around the refrigerator. The freezer compartment temperature detector 132 detects the temperature of the freezer compartment. Refrigerating compartment temperature detector 133 detects the temperature of the refrigerating compartment. The door opening/closing detection device 134 detects opening/closing of the door of the refrigerator 1 .

Compressor 135 compresses the gaseous refrigerant housed inside refrigerator 1 . The compressed gaseous refrigerant is liquefied by a condenser (not shown), the pressure is lowered by a capillary tube (not shown), and the gas-liquid mixed refrigerant whose pressure is lowered is sent to an evaporator (not shown) where it is vaporized. , the evaporator is cooled. By increasing the rotation speed of the compressor 135, the temperature of the evaporator becomes lower.

The air blower 136 sucks the air inside the refrigerator into the evaporator and discharges it as low-temperature air into the refrigerator to blow air for circulation.

The damper 137 is a valve element provided in an air flow path that connects the blower 136 and the refrigerator compartment. By opening the damper 137, the air cooled by the evaporator is sent to the refrigerator compartment and the freezer compartment. By closing the damper 137, the air cooled by the evaporator is sent only to the freezer compartment.

The defrosting heater 138 is a heater for melting frost adhering to the evaporator.

[Details of Processing of Decision Table Generation Unit 205]
Next, with reference to FIGS. 4 and 5, the details of the processing in the determination table generation unit 205 and the determination table 211 generated by the determination table generation unit 205 will be described. FIG. 4 is a diagram showing an example of the determination table 211. As shown in FIG. 5A to 5F are diagrams for explaining the flow of generating the determination table 211. FIG.

As shown in FIG. 4, the determination table 211 includes location (positional information), time distance (average, shortest), purchases other than food, shopping frequency, probability of cooling food within 5 minutes after returning home (frozen food , refrigerated food), average dwell time, average door open time after returning home (freezer compartment door, refrigerator compartment door), temperature sensor temperature rise value after door opening after returning home (freezer compartment, refrigerator compartment) attached. The time distance (time information) is a distance expressed in terms of time, and here indicates the time required for the user to move from the location (A department store, etc.) shown in the determination table 211 to his home.
That is, the judgment table 211 contains information that can be recognized when the inventory in the refrigerator increases (the probability that the food will be cooled within 5 minutes after returning home) and the user's stay position (place (position information)) before the increase. are mapped. In addition, these items are also associated with the time (time distance) from when the user leaves the stay position to when the inventory of the refrigerator increases.

For example, in the first row of the determination table 211, the location (location information) is "A department store", the time and distance (average, shortest) is "55 minutes on average, 52 minutes at shortest", and whether or not to purchase anything other than food. is “yes”, shopping frequency is “5 times/month”, probability of cooling food within 5 minutes after returning home (frozen food, refrigerated food) is “50% for frozen food, 50% for refrigerated food”, average stay time is "30 minutes", the average door open time after returning home (freezer door, refrigerator door) is "30 seconds for the freezer door, 20 seconds for the refrigerator door", and the temperature sensor after the door is opened after returning home is associated with "3.5 K (Kelvin) for the freezer compartment and 2.5 K for the refrigerator compartment". The second and subsequent lines are similarly associated.

By using the determination table 211, for example, if the location is department store A (bounce), the time distance (average) is 55 minutes. −20=35>30, and it can be seen that a pre-cooling time of about 30 minutes can be secured. Therefore, the precooling determination unit 202 can determine an appropriate timing for starting precooling by using the determination table 211 . Similarly, for example, in the case of a C supermarket, the time distance is 10 minutes, so if precooling is started after starting movement to return home, the precooling time will be insufficient. Therefore, if pre-cooling is started 10 minutes after entering the C supermarket, the average staying time is 30 minutes, so 30-10+10=30, and it can be seen that about 30 minutes of pre-cooling time can be secured. In addition, in the case of C-super, it is possible to lower the set temperature when entering C-super and increase the rotation speed of the compressor when leaving C-super.

Next, a method for generating the determination table 211 will be described with reference to FIG. FIG. 5(a) is a diagram showing the relationship between the open/close status of the door of the freezer compartment, the operating status of the compressor 135, and the temperature status of the freezer compartment (whether or not the temperature has reached a high temperature) in chronological order.

As shown in (a) of FIG. 5, after opening and closing the freezer compartment door, the rotation speed of the compressor 135 increases, and the increased state continues for a predetermined time (for example, 3 hours), and the rotation speed of the compressor 135 increases. When the temperature of the freezer compartment continues to be high for a predetermined period of time after the temperature has risen, the determination table generator 205 determines that food has been put into the freezer compartment. The refrigerator 1 notifies the communication device 2 of the open/close state of the door of the freezer compartment, the rotation speed of the compressor 135, and the temperature state of the freezer compartment. It should be noted that the criteria for judging that food has been put into the freezer compartment are not limited to this, and the operational status of the compressor 135 and the temperature state of the freezer compartment when food has been put into the freezer compartment can be set as appropriate. Similarly, it is possible to determine whether or not food has been put into the refrigerator compartment.

Then, if the determination table generation unit 205 determines that food has been put into the freezer compartment, the determination table generator 205 determines when the food is put into the freezer compartment, in other words, when the door of the freezer compartment is opened (see FIG. 5). In the example of (a) of (a), the time-series data of the user's location information from the point of time past 12:00 to the point of time preceding a predetermined time is acquired. In other words, time-series data is acquired from the time when the door of the refrigerator is opened to the time when the refrigerator door is opened and the time before the predetermined number of times for the periodically acquired position information.

Here, examples of time-series data are shown in (b) to (d) of FIG. (b) to (d) of FIG. 5 show time-series data for 20 times (predetermined time), and the position indicated by the circled number "1" is the time when the door of the freezer compartment is opened. The position indicated by the circled number "2" indicates the previous position, and the position indicated by the circled number "3" indicates the position further one before. Thereafter, the same is true up to the circled number "20".

Then, the determination table generation unit 205 compares a plurality of situations ((b) to (d) in FIG. 5) in which it is determined that food has been put into the freezer compartment, and finds that there is a significant frequency compared to other locations. A high place (position) is determined as a place to purchase frozen food, and is registered in the determination table 211 . An example of the position to be registered is shown in FIG. 5(e). In (e) of FIG. 5, each position is shown in a state in which (b) to (d) of FIG. 5 are superimposed. In the example shown in (e) of FIG. 5, section 501 is registered as a place to purchase frozen food.

In addition, the time distance between the place where frozen food is purchased and the house where the refrigerator is located, and the length of stay can be calculated by counting the number of position information data. FIG. 5(f) shows an example of the time distance between the place where frozen food is purchased and the home where the refrigerator is located, and the length of stay. In FIG. 5(f), the length of stay at the place where frozen food is purchased is 30 minutes for the first time, 35 minutes for the second time, and 25 minutes for the third time, with an average of 30 minutes. In addition, all the time distances are 25 minutes.

Items other than the above items in the determination table 211 can also be acquired from the position information and the state of the refrigerator after the door is opened and closed. Further, after creating the determination table 211, the determination table generation unit 205 updates the determination table 211 each time it determines that food has been put into the freezer compartment. The update timing may be every time it is determined that food has been put into the freezer compartment, or every time the number of times it is determined that food has been put into the freezer compartment reaches a predetermined number of times.

Also, instead of the temperature in the refrigerator, it may be determined whether food has been put into the freezer compartment by an article sensor, an in-chamber camera, or the like.

It should be noted that the determination table generation unit 205 may register the places where frozen foods are purchased as follows.

Let g(x, y, t) be the time-series data of the position information. where x, y are position coordinates. Also, t is the order of the time-series data until the door opens.

The effective range of the map in the positional information is divided into I×J columns and m(i,j).

The divided maps are weighted as follows.

w(i,j)=Σ(t=N)(1/N)W(i,j,t)
W(i,j,t)=1 (when g(x,y,t) is within the range of m(i,j))
W(i,j,t)=0 (when g(x,y,t) is not within m(i,j))
Then, from the distribution of the weighted data w(i,j), positions with statistically high numerical values are extracted. Then, remove the home location and register the remaining location as a place to buy frozen (or refrigerated) food.

In the above-described example, the place where frozen food is purchased is registered using the user's action history, but the user may register the position manually.
Also, the registered location is the location where the user purchases frozen food, but the location is not limited to this. can do.

[Processing Flow in Refrigerator 1]
Next, the flow of processing in the refrigerator 1 will be described with reference to FIGS. 6 to 8. FIG. FIG. 6 is a flow chart showing the flow of precooling processing in the refrigerator 1. As shown in FIG. FIG. 7 is a flow chart showing the flow of the rapid cooling process in the refrigerator 1. As shown in FIG. FIG. 8 is a table showing parameter settings in the refrigerator 1 .

As shown in FIG. 6, when executing the precooling process, the precooling processing unit 101 of the refrigerator 1 performs an operation according to the precooling setting (S601). An example of precooling settings is shown in FIG. In the example shown in FIG. 8, in the case of the precooling setting, the compressor and the fan are operated at maximum, the freezer compartment is set to -21°C, and the refrigerator compartment is set to 0°C. Also, the time limit is set to 2 hours. Note that the time limit may be changed according to the ambient temperature. Then, when the precooling end condition is satisfied (YES in S602), the normal setting is restored (S603), and the operation is performed. Examples of cases where the precooling end condition is satisfied include elapse of a set time, reception of a precooling stop command, and the like. An example of normal settings is shown in FIG. In the example shown in FIG. 8, in the normal setting, the compressor and blower are automatically operated, the freezer compartment is set to -18°C, and the refrigerator compartment is set to 4°C. The set temperatures of the freezing compartment and the refrigerating compartment can be appropriately set by the user. The above is the flow of the pre-cooling process.

Note that the pre-cooling time may be increased or decreased according to the amount of articles. That is, the amount of articles to be refrigerated is estimated from the length of stay of the user or the like, and if the amount is less than a predetermined amount, the precooling time may be shortened, and if the amount is equal to or greater than the predetermined amount, the precooling time may be lengthened.

Next, the flow of the rapid cooling process will be described with reference to FIG. As shown in FIG. 7, when executing the rapid cooling process, the rapid cooling processing unit 102 of the refrigerator 1 operates according to the freezer compartment priority setting (S701). FIG. 8 shows an example of freezer compartment priority setting. In the example shown in FIG. 8, in the freezer compartment priority setting, the compressor and blower are operated at maximum, the freezer compartment is set to -21°C, and the refrigerator compartment is set to 6°C. Also, the time limit is set to one hour. Note that the time limit may be changed according to the ambient temperature. Then, when the set time has elapsed (YES in S702), the rapid cooling processing unit 102 performs the operation according to the freezing operation setting (S703). FIG. 8 shows an example of freezing operation settings. In the example shown in FIG. 8, in the freezing operation setting, the compressor and blower are operated at maximum, the freezer compartment is set to -21°C, and the refrigerator compartment is set to 4°C. Also, the time limit is set to 8 hours. Note that the time limit may be changed according to the ambient temperature. Then, when the rapid cooling end condition is satisfied (YES in S704), the normal setting is restored (S705) and operation is performed. Examples of cases in which the rapid cooling end condition is satisfied include the elapse of a set time and the temperature inside the refrigerator falling below a predetermined temperature.

8 may be stored in the storage unit 110 of the refrigerator 1 or may be stored in the storage unit 210 of the communication device 2. FIG.

When stored in the storage unit 110 of the refrigerator 1 , the refrigerator 1 operates according to the setting parameters based on the instruction acquired from the communication device 2 . When stored in the storage unit 210 of the communication device 2, the refrigerator 1 acquires each parameter from the communication device 2 and executes operation.

[Flow of processing in refrigeration system 10]
Next, the flow of processing in the refrigerating system 10 will be described with reference to FIGS. 9 and 10. FIG. FIG. 9 is a sequence diagram showing the flow of precooling processing in the refrigeration system 10. As shown in FIG. FIG. 10 is a diagram showing a display example displayed on the mobile communication terminal 5. As shown in FIG.

As shown in FIG. 9, when performing the precooling process, the communication device 2 transmits a precooling start command to the refrigerator 1 (S901). The details of the process for determining whether or not to transmit the precooling start command will be described later. When the refrigerator 1 acquires the pre-cooling start command from the communication device 2 (YES in S902), the refrigerator 1 sends a pre-cooling confirmation via the communication device 2 to the user to confirm whether the pre-cooling process can be started. It is transmitted to the mobile communication terminal 5 (S903). When receiving the confirmation of precooling from the refrigerator 1 (S904), the mobile communication terminal 5 displays a precooling permission screen on the display unit (S905). FIG. 10 shows an example of the precooling permission screen. As shown in FIG. 10, the precooling permission screen displays a screen asking the user for permission to start precooling. Then, the mobile communication terminal 5 accepts the user's instruction and transmits an instruction of permission or non-permission of pre-cooling to the refrigerator 1 (S906). Refrigerator 1 that has received the instruction executes the precooling process if the content of the instruction is permission of precooling (YES in S908) (S909). On the other hand, if the contents of the instruction indicate that precooling is not permitted (NO in S908), the normal setting operation is performed (S910). The above is the flow of the precooling process in the refrigeration system 10 .

[Flow of processing in communication device 2]
Next, the flow of processing in the communication device 2 will be described with reference to FIGS. 11 to 14. FIG. FIG. 11 is a flow chart showing the flow of processing in which the communication device 2 sends a precooling start instruction. FIG. 12 is a flow chart showing the flow of processing for sending a precooling stop instruction after sending a precooling start instruction.

As shown in FIG. 11, the pre-cooling determination unit 202 of the communication device 2 determines whether or not the purchase prediction condition is satisfied (S1101, acquisition determination step). The purchase prediction condition is a condition for determining whether or not the user has purchased food or the like that needs to be frozen or refrigerated. In other words, when the purchase prediction condition is satisfied, it means that the user has purchased food or the like that needs to be frozen or refrigerated. The details of the purchase prediction condition determination process will be described later.

Then, if the purchase prediction condition is satisfied (YES in S1101), the pre-cooling determination unit 202 uses the determination table 211 to predict the user's return time (turning time) (S1102, turning on time deriving step). For example, if the purchase prediction condition is satisfied when the user enters shopping mall B, according to the determination table 211, the time distance (average) in shopping mall B is 20 minutes, and the average staying time is 40 minutes. The predicted return home time is 60 minutes later. Also, if the expected purchase condition is satisfied when 35 minutes have passed since the stay, the predicted return time will be 25 minutes later. That is, the predicted return home time is obtained by the following formula.
Predicted time to return home = average stay time - stay time + time required for returning home route (time distance)
Note that the predicted return home time may be configured to be only the time required for the return home route, or may be the time from when the user acquires the article until the user leaves the stay position + the time required for the return home route.

Also, the time required for the return home route may be acquired from a well-known navigation service instead of from the determination table 211 .

Then, if the predicted time for the user to return home is within 30 minutes (within the first predetermined time period) (YES in S1103), the precooling determination unit 202 transmits a precooling start instruction to the refrigerator 1 (S1104, precooling instruction transmission step ). On the other hand, if the predicted return time of the user is not within 30 minutes (NO in S1103), the process returns to step S1102. The above is the flow of processing in which the communication device 2 sends the precooling start instruction.

In the above description, 30 minutes is taken as an example of the first predetermined time, but the first predetermined time is not limited to 30 minutes as long as it is longer than the time for lowering the refrigerator 1 by a predetermined temperature. Also, the time required to lower the refrigerator 1 to a predetermined temperature varies depending on the external environment of the refrigerator 1, etc. In this embodiment, the time required to lower the predetermined temperature is derived according to the external environment.

Next, with reference to FIG. 12, the flow of processing for sending a precooling stop instruction will be described. As shown in FIG. 12, the precooling determination unit 202 determines whether or not the elapsed time after transmission of the precooling start instruction is within a set time (S1201). When the elapsed time exceeds the set time (NO in S1201), the precooling determination unit 202 transmits a precooling stop command to the refrigerator 1 (S1208), and returns the setting of the refrigerator 1 to the normal setting (S1209).

On the other hand, if the elapsed time after transmitting the precooling start instruction is within the set time (YES in S1201), precooling determination unit 202 uses the user's location information acquired by location information acquisition unit 201 to determine whether the user bounced back. (S1202). If it is determined that there is no bounce (NO in S1202), the process proceeds to step S1208. This is because it can be determined that the user does not return directly = that the user is taking a detour.

If the user has bounced back (YES in S1202), the pre-cooling determination unit 202 uses the location information of the user acquired by the location information acquisition unit 201 to determine whether the user went straight to the kitchen after returning home (S1203). ). If not (NO in S1203), the process proceeds to step S1208. Whether or not the user went straight to the kitchen may be determined using the positional information as described above, or may be determined based on the state of the house (the light in the bedroom is turned on, the power of the television is turned on, etc.).

If the user has gone straight to the kitchen (YES in S1203), the pre-cooling determination unit 202 determines whether the door of the freezer compartment has been opened or closed based on the refrigerator information acquired from the refrigerator 1 (S1204). If the door has been opened or closed (NO in S1204), the precooling determination unit 202 transmits a precooling stop command to the refrigerator 1 (S1206) and a rapid cooling start command (S1207). This is because, when the door of the freezer compartment opens after going directly to the kitchen, it can be determined that frozen food has been put in.

If the door is not opened or closed (YES in S1204), the precooling process is continued (S1205). That is, the communication device 2 does not send any further instructions to the refrigerator 1 . The above is the flow of processing in which the communication device 2 sends the precooling stop instruction after sending the precooling start instruction.

It should be noted that the pre-cooling stop instruction is not the processing described above, but rather matches the user's past behavior pattern with the current behavior pattern, and the current behavior pattern is a typical behavior pattern for putting frozen food into the freezer compartment. The pre-cooling process may be stopped when it deviates from .

[Determining processing of expected purchase conditions]
(1) Example 1 of judgment processing
The pre-cooling determination unit 202 determines that the purchase prediction condition is satisfied when the evaluation value exceeds the threshold. Examples of evaluation values include the distance from the refrigerator, coordinates, and the distance from the registered position.

For example, if the evaluation value is the distance from the registered position, and the evaluation value decreases as the distance from the registered position increases, if a predetermined distance from the registered position is set as a threshold, whether or not the evaluation value exceeds the threshold , it can be determined whether or not the user has entered the vicinity of the registered position. Description will be made with reference to FIG. 13(a). 13A and 13B are diagrams for explaining the processing for determining purchase prediction conditions in the communication device 2. FIG. In the graph of (a) of FIG. 13, the vertical axis indicates the evaluation value, and the horizontal axis indicates time. The location log shows the user's location in each time period. As shown in the graph of (a) of FIG. 13, it can be seen that the evaluation value increases as the position of the user shown in the position log approaches the registered position.

Then, it exceeds the threshold value a at a certain point. The time when the threshold a is exceeded is the time when the user enters the registered position. That is, when the user enters the place where frozen food is purchased. Therefore, by determining whether or not the evaluation value exceeds the threshold value a, it is possible to determine whether or not the user has entered the place for purchasing frozen food. Therefore, it can be considered that "purchase prediction condition is satisfied" = "user purchased frozen food".

Also, a process of setting a plurality of thresholds may be performed. An example of setting two thresholds is shown in FIG. 13(b). In the example shown in FIG. 13(b), a threshold b is provided in addition to the threshold a described above. The threshold b is set to a value lower than the threshold a. Therefore, when the evaluation value exceeds the threshold value b, the user is not in the registered position, but is approaching the registered position to some extent. Therefore, by using this threshold value b, it is possible to determine, for example, whether to postpone the defrosting process (details will be described later in Embodiment 2).
(2) Example 2 of judgment processing
Next, another example of determination processing will be described with reference to (a) of FIG. 14 . (a) of FIG. 14 is a diagram for explaining the process of determining purchase prediction conditions in the communication device 2 .

In this example, the pre-cooling determination unit 202 determines whether or not the purchase prediction condition is satisfied based on whether or not the user has stayed at the registered position for a predetermined time or longer. If the user has stayed at the registered location for a predetermined period of time or more, there is a high possibility that the user has purchased frozen food. Therefore, by determining whether or not the purchase prediction condition is satisfied based on whether or not the user has stayed at the registered position for a predetermined time or longer, an accurate determination can be made.

A specific example is shown in FIG. In the example shown in FIG. 14A, a threshold c is set for the evaluation value, and a threshold d is set for the time when the evaluation value exceeds the threshold c. It is possible to determine whether or not the user has entered the registered position based on whether or not the threshold value c has been exceeded. can judge. Therefore, if the staying time at the registered position is short, precooling can be omitted.
(3) Example 3 of judgment processing
Next, still another example of determination processing will be described with reference to FIG. 14(b). (b) of the figure is a diagram for explaining the process of determining purchase prediction conditions in the communication device 2 .

In this example, the pre-cooling determination unit 202 grasps time-series data of position information indicating the user's position as an image. Then, the image is matched with the image indicated by the time-series data when the position was registered, and it is determined whether or not the purchase prediction condition is satisfied based on whether or not the degree of similarity exceeds a threshold. Since the time-series data at the time of registration is the time-series data at the time of purchase of the frozen food, by matching with this, it is possible to accurately determine whether or not the purchase prediction condition is satisfied.

A specific example is shown in FIG. 14(b). The example shown in (b) of FIG. 14 shows a case where time-series data of position information indicating the position of the user is grasped as an image. This image is matched with the time-series data images of location information at the time of registration ((b) to (d) in FIG. 5) to calculate the degree of similarity. Determine whether or not the prediction conditions are satisfied.

Also, in this example, two thresholds may be provided and the process may be performed in two steps, as in the above example.

As described above, in this embodiment, the user's position and the determination table 211 are used to perform purchase determination and pre-cooling processing. As such, this allows pre-cooling to begin automatically when the user is at the location where the frozen food is likely to be purchased.
In addition, since the determination table 211 is created using the user's action history, pre-cooling should be performed in consideration of the time required to move from the registered location to the home, the amount of frozen food purchased at the registered location, and the like. can be done.

In addition, since the user does not need to input the content, quantity, etc. of the frozen food, the system can be implemented without imposing an excessive burden on the user.

In addition, since information such as POS information that requires cooperation in advance is not used, it can be performed without going through complicated processing.

Note that the precooling process may be interrupted when it is determined from the acquired position information that the user is taking a detour.

[Embodiment 2]
Another embodiment of the present invention will be described below with reference to FIGS. 15 to 17. FIG. For convenience of explanation, members having the same functions as those of the members explained in the above embodiment are denoted by the same reference numerals, and the explanation thereof is omitted.

In this embodiment, in addition to the determination of whether or not to perform precooling described in the first embodiment, it is determined whether or not to postpone the defrosting process or whether to advance the defrosting process. Normally, the defrosting process is performed about once a day, but the cooling process cannot be performed during the defrosting process. Therefore, if frozen food is put into the refrigerator during or immediately after the defrosting process, there is a possibility that the temperature inside the refrigerator will rise, the power consumption will increase, and the like. Therefore, in the present embodiment, when the frozen food is expected to be put in, the defrosting process is postponed, or the defrosting process is advanced so that sufficient time can be taken after the defrosting process until the frozen food is put in. It is.

As a result, it is possible to prevent the adverse effects caused when the frozen food is put in during the defrosting process or immediately after the defrosting process.

The processing flow of the communication device 2 according to this embodiment will be described with reference to FIG. 15 . FIG. 15 is a flow chart showing the processing flow of the communication device 2 when determining defrosting processing.

As shown in FIG. 15, the pre-cooling determination unit 202 of the communication device 2 determines whether or not purchase prediction conditions are satisfied (S1501). If the purchase prediction condition is satisfied (YES in S1501), the pre-cooling determination unit 202 uses the determination table 211 to predict the user's return home time (S1502). Then, if the estimated user's return home time is within 30 minutes (within the second predetermined time period) (YES in S1503), precooling determination unit 202 transmits a defrosting postponement instruction to refrigerator 1 (S1504). Furthermore, the precooling determination unit 202 transmits a precooling start instruction to the refrigerator 1 (S1505). On the other hand, if the predicted return time of the user is not within 30 minutes (NO in S1503), the process returns to step S1502. The above is the flow of processing in which the communication device 2 sends the precooling start instruction.

Next, with reference to FIG. 16, the flow of processing for speeding up defrosting processing will be described. FIG. 16 is a flow chart showing the flow of processing for speeding up the defrosting process.

As shown in FIG. 16, in the case of the process of accelerating the defrosting process, first, the precooling determination unit 202 of the communication device 2 determines whether or not the purchase prediction condition is satisfied (S1601). If the purchase prediction condition is satisfied (YES in S1601), the pre-cooling determination unit 202 uses the determination table 211 to predict the user's return home time (S1602). Then, the pre-cooling determination unit 202 determines whether or not the predicted return time of the user is within 120 minutes (S1603). return home time is within 30 minutes (S1604). Then, if the user's coming home time is within 30 minutes (YES in S1604), an instruction to postpone defrosting is transmitted to the refrigerator 1 (S1605). Furthermore, the precooling determination unit 202 transmits a precooling start instruction to the refrigerator 1 (S1606). On the other hand, if the predicted return time of the user is not within 30 minutes (NO in S1604), the pre-cooling determination unit 202 determines whether defrosting processing is to be performed (S1607). If YES in S1608, a defrosting start instruction is sent to the refrigerator 1 (S1609). If it is determined that defrosting is unnecessary (NO in S1608), the process returns to step S1602.

Determination of whether or not defrosting is necessary in steps S1607 and S1608 can be performed, for example, as follows. The amount of frost formed at present and the amount of frost formed by future pre-cooling operation or rapid cooling operation are predicted, and it is determined whether or not the sum of these amounts exceeds the amount of frost necessary for defrosting. That is, it is determined that the defrosting process is necessary when the following formula is satisfied. It should be noted that the amount of frost formed can be predicted by a conventional technique, so a description thereof will be omitted.

Amount of frost formed at present + Amount of frost formed by pre-cooling (and rapid cooling) operation > Amount of frost that requires defrosting The amount of frost formed is 2 g, the amount of frost formed when the door of the freezer compartment is opened and closed once is 8 g, the amount of frost formed when the door of the refrigerator compartment is opened and closed once is 10 g, and the amount of frost formed on the evaporator exceeds 200 g. Consider a refrigerator that requires defrosting. In this refrigerator, if the operation time from the previous defrosting process to the present time is 12 hours, the number of times the door of the freezer compartment has been opened and closed is 6 times, and the number of times the door of the refrigerator compartment has been opened and closed 4 times, the amount of frost formed is 24 + 48 + 40 = 112 g.
In addition, the operation time from the present time to the end of precooling (and rapid cooling) is 9 hours (1 hour until arrival, 8 hours of rapid cooling operation), the number of times the door of the freezer compartment is opened and closed 5 times, and the number of times the door of the refrigerator compartment is opened and closed Assuming 10 times, the expected amount of frost formation until pre-cooling (and rapid cooling) is completed is 18+40+100=158 g. Therefore, the current amount of frost (112 g) + the amount of frost formed by the pre-cooling (and rapid cooling) operation (158 g) = 268 g > the amount of frost that requires defrosting (200 g), which requires defrosting.

The above is the flow of the process by which the communication device 2 speeds up the defrosting process.

In addition, before determining whether or not the purchase prediction condition is satisfied, it is determined whether or not the preliminary purchase prediction condition is satisfied. A determination may be made as to whether or not to advance. Note that the preliminary purchase prediction conditions correspond to the cases where threshold b in example 1 of determination processing described above is exceeded, threshold c in example 2 of determination processing is exceeded, and threshold e in example 3 of determination processing is exceeded. do.

With reference to FIG. 17, the flow of processing for determining whether or not preliminary purchase prediction conditions are satisfied will be described. FIG. 17 is a flow chart showing the flow of processing for determining whether or not preliminary purchase forecast conditions are met.

As shown in FIG. 17, first, the pre-cooling determination unit 202 of the communication device 2 determines whether or not the purchase preliminary forecast condition is satisfied (S1701). If the purchase preliminary prediction condition is satisfied (YES in S1701), the pre-cooling determination unit 202 uses the determination table 211 to predict the user's return home time. Then, if the predicted time for the user to return home is within 30 minutes (YES in S1702), the precooling determination unit 202 transmits a defrosting postponement instruction to the refrigerator 1 (S1703). On the other hand, if the predicted return time of the user is not within 30 minutes (NO in S1702), the pre-cooling determination unit 202 determines whether defrosting processing is to be performed (S1704). If YES at S1705, a defrosting start instruction is sent to the refrigerator 1 (S1706). If it is determined that defrosting is unnecessary (NO in S1705), the process ends.

Further, after the above-described processing shown in FIG. 17, it is also possible to perform the determination processing shown in FIG. 11 as to whether or not to transmit the precooling start instruction. As a result, it is possible to implement a process in which two levels of thresholds are provided in the example of the determination process described above.

As described above, in the present embodiment, when the defrosting process is executed, when it is determined that the frozen food purchased by the user cannot be cooled appropriately, that is, when it is determined that the user is going home early, the defrosting process is performed. postpone. Thereby, the frozen food purchased by the user can be properly cooled.

[Appendix 1]
The configuration may be such that the above-described registered position can be shared with other users. For example, it may be a personality that registers a location where another user has purchased frozen food as a purchase location of frozen food for this user.

Alternatively, the pre-cooling process may be started based on the location information of another person. More specifically, the pre-cooling process may be started based on the location information of others linked to the registered location. For example, a store that sells frozen food may carry out mobile sales, and the pre-cooling process may be started when the store clerk of the store leaves the store.

[Embodiment 3]
In the refrigerating system 10 according to the present embodiment, the user's position obtained from the mobile communication terminal 5 and the determination table stored in the communication device 2 are used to allow the user to purchase food, etc. (goods) that need to be frozen. determine whether or not Then, when it is determined that there has been a purchase, the estimated return home time of the user is derived, and other processing that replaces precooling in the refrigerator 1 may be performed based on the derived estimated return home time.

If the refrigerator is equipped with an automatic ice-making device, ice-making may be performed if the ice storage capacity is sufficient. If it has a quick ice making function, ice can be made in a short time. By increasing the ice storage amount, the cooling capacity in the refrigerator is improved, and the frozen food purchased by the user can be appropriately cooled.

Furthermore, the cooling mode that emphasizes energy saving may be switched to the cooling mode that emphasizes cooling capacity. At that time, the fact that cooling is being performed for later storage of frozen food is displayed or notified. may In other words, it is possible to reduce unnecessary and non-urgent opening of the refrigerator door and suppress the temperature rise in the refrigerator. Other configurations are the same as those of the above-described first and second embodiments.

[Appendix 2]
In the above-described embodiments, the refrigerator is described as an example, but the present invention is not limited to the refrigerator, and by combining the disclosed technical means, a rice cooker that can cook rice before or after arriving at home, etc. cooking utensils, a bath water heater that fills up hot water around the time you arrive at home, an air conditioner that reaches a comfortable temperature around the time you arrive at the house, an automatic vacuum cleaner that finishes cleaning around the time you arrive at the house, and when you arrive at the house It can be applied to air purifiers that finish purifying the air.

[Example of realization by software]
Control blocks of refrigerator 1 and communication device 2 (especially control unit 200 (position information acquisition unit 201, precooling determination unit 202, defrosting determination unit 203, control command generation unit 204, determination table generation unit 205), and control unit 100 (precooling The processing unit 101, the rapid cooling processing unit 102, and the defrosting processing unit 103)) may be realized by a logic circuit (hardware) formed in an integrated circuit (IC chip) or the like, or may be realized by using a CPU (Central Processing Unit). may be realized by software.

In the latter case, the refrigerator 1 and the communication device 2 include a CPU that executes instructions of a program, which is software that implements each function, and a ROM (Read Only) in which the program and various data are recorded so that they can be read by a computer (or CPU). Memory) or a storage device (these are referred to as a "recording medium"), a RAM (Random Access Memory) for developing the above program, and the like. The object of the present invention is achieved by a computer (or CPU) reading and executing the program from the recording medium. As the recording medium, a "non-temporary tangible medium" such as a tape, disk, card, semiconductor memory, programmable logic circuit, or the like can be used. Also, the program may be supplied to the computer via any transmission medium (communication network, broadcast wave, etc.) capable of transmitting the program. Note that one aspect of the present invention can also be implemented in the form of a data signal embedded in a carrier wave in which the program is embodied by electronic transmission.

〔summary〕
A control device (communication device 2) according to aspect 1 of the present invention is a control device that controls a refrigerator (1), and when the number of articles in the refrigerator has increased in the past, the user's staying position before the increase and at least one of the time from when the user leaves the staying position until the number of articles in the refrigerator increases, and the user's current position, the user puts items into the refrigerator at the staying position. An acquisition determination unit (pre-cooling determination unit 202) that determines whether or not an item has been acquired, and an input time derivation unit (pre-cooling determination unit 202) that derives an input time until the user puts the item into the refrigerator after acquiring the item. 202), a precooling instruction transmission unit (precooling determination unit 202, control command generation unit 204) that transmits a precooling instruction to the refrigerator to cause the refrigerator to perform a precooling process when the charging time is within a first predetermined time; It is a configuration with

According to the above configuration, the instruction to precool the refrigerator is transmitted when the loading time, which is the time until the article is loaded into the refrigerator, is within the first predetermined time. Therefore, since it is possible to start precooling in consideration of the time until the article is put into the refrigerator, the precooling time can be properly secured and the precooling can be prevented from being wasted.

In the control device according to Aspect 2 of the present invention, in Aspect 1, the first predetermined time may be longer than the time during which the temperature inside the refrigerator is lowered by a predetermined temperature during normal operation of the refrigerator.

According to the above configuration, the first predetermined period of time is longer than the period of time during which the temperature inside the refrigerator is lowered to the predetermined temperature during normal operation of the refrigerator, so it is possible to prevent insufficient precooling time. For example, if the time required to move the item from the place where the item is obtained to the refrigerator is shorter than the time required to lower the temperature inside the refrigerator to a predetermined temperature during normal operation of the refrigerator, precooling is started from the time the user stays at the location where the item is obtained. can be prevented from running out of the pre-cooling time.

A control device according to aspect 3 of the present invention is, in aspect 1 or 2 above, wherein the refrigerator executes defrosting processing at a predetermined timing, and a second predetermined time period is longer than or equal to the first predetermined time period. A defrosting postponement instruction transmitting unit (control instruction generating unit 204) that transmits a defrosting postponement instruction for delaying the timing of the defrosting process to the refrigerator if it is within the time period may be provided.

According to the above configuration, when the charging time is within the second predetermined time, an instruction to postpone the defrosting process is transmitted. As a result, it is possible to prevent the defrosting process from being performed when the article is put into the refrigerator.

A control device according to aspect 4 of the present invention, in any one of aspects 1 to 3, is a location registration registering a location of the user before the increase as the stay location when the inventory in the refrigerator increases. A configuration including a unit (determination table generation unit 205) may be employed.

According to the above configuration, it is possible to automatically register the stay position, which is the position where the user acquired the article that needs to be put into the refrigerator.

A refrigerator according to aspect 5 of the present invention includes a receiving unit that receives the precooling instruction from the control device, an inquiry unit that inquires of a user whether or not precooling may be started based on the precooling instruction, and the inquiry. and a pre-cooling processing unit that performs pre-cooling processing based on the answer to.

According to the above configuration, before starting precooling, permission for precooling is requested from the user, and when permission is given, precooling is started. Therefore, it is possible to prevent precooling from being started without the user's knowledge. can.

A refrigeration system according to aspect 6 of the present invention includes the control device and the refrigerator. Thereby, there can exist an effect mentioned above.

A control method for a control device according to aspect 7 of the present invention is a control method for a control device that controls a refrigerator, comprising: when the number of articles in the refrigerator increases in the past, the user's staying position and the number of articles before the increase; Using at least one of the time from when the user leaves the staying position until the number of articles in the refrigerator increases and the current position of the user, the article to be thrown into the refrigerator by the user at the staying position is determined. Using an acquisition determination step (S1101) for determining whether or not the item has been acquired, and the time from when the user leaves the stay position to when the item in the refrigerator increases, a loading time derivation step (S1102) for deriving a loading time until loading into the refrigerator; and a precooling step of transmitting a precooling instruction to the refrigerator to execute a precooling process if the loading time is within a first predetermined time. and an instruction transmission step (S1104).

According to the above method, the same effects as in the first aspect are obtained.

The control device according to each aspect of the present invention may be realized by a computer. In this case, the control device is realized by the computer by operating the computer as each part (software element) included in the control device. A control program for a control device and a computer-readable recording medium recording it are also included in the scope of the present invention.

The control device according to an aspect of the present invention is configured such that, when the first predetermined time is longer than the time from when the user leaves the stay position to when the number of articles in the refrigerator increases, the user moves to the stay position The pre-cooling process may be initiated before leaving the .

A control device according to an aspect of the present invention, in any one of the aspects 1 to 4, includes a position designation reception unit (determination table generation unit 205) that receives designation of the stay position from the user. good too.

In any one of the above aspects 1 to 4, the control device according to an aspect of the present invention, when it is determined from the user's position information that the time at which the number of items in the refrigerator increases after starting the precooling process will be delayed, The configuration may include a pre-cooling interruption unit (control instruction generation unit 204) that temporarily interrupts the pre-cooling process.

The present invention is not limited to the above-described embodiments, but can be modified in various ways within the scope of the claims, and can be obtained by appropriately combining technical means disclosed in different embodiments. is also included in the technical scope of the present invention. Furthermore, new technical features can be formed by combining the technical means disclosed in each embodiment.

1 refrigerator 2 communication device (control device)
5 mobile communication terminal 10 refrigeration system 100, 200 control unit 101 precooling processing unit 102 rapid cooling processing unit 103 defrosting processing unit 104 inquiry unit 120 transmission/reception unit (reception unit)
202 Pre-cooling determination unit (acquisition determination unit, input time derivation unit, pre-cooling instruction transmission unit)
203 defrost determination unit (defrost postponement instruction transmission unit)
204 Control instruction generation unit (pre-cooling instruction transmission unit, defrosting postponement instruction transmission unit)
205 determination table generation unit (position registration unit, position designation reception unit)
211 decision table

Claims (11)

a location information acquisition unit that acquires location information of a mobile communication terminal;
Based on a registered position which is different from the refrigerator and registered in advance and the position information obtained by the position information obtaining unit, when the mobile communication terminal is staying at the registered position, the refrigerator is positioned. A control unit that starts pre-cooling,
refrigeration system. The control unit further causes the refrigerator to start the pre-cooling process based on the length of time the mobile communication terminal stays at the registered position.
Refrigeration system according to claim 1 . The control unit further controls the confirmation sent from the mobile communication terminal in response to the start confirmation of the pre-cooling process notified to the mobile communication terminal while the mobile communication terminal is staying at the registered position. causing the refrigerator to start the pre-cooling process based on the result;
Refrigeration system according to claim 1 or 2. The control unit causes the refrigerator to stop the precooling process based on the elapsed time of the precooling process.
Refrigeration system according to any one of claims 1-3. The control unit causes the refrigerator to notify when the precooling process is in progress.
Refrigeration system according to any one of claims 1-4. a freezer compartment;
a compressor;
A pre-cooling processing unit that performs a pre-cooling process that lowers the temperature of the freezer compartment by increasing the rotation speed of the compressor,
The pre-cooling process is performed when the mobile communication terminal is staying at the registered position which is different from the refrigerator and based on the position information of the mobile communication terminal and a registered position which is registered in advance. Ru
refrigerator. The pre-cooling process is further performed based on the staying time of the mobile communication terminal at the registered position,
The refrigerator according to claim 6. confirmation of the start of the precooling process is notified to the mobile communication terminal while the mobile communication terminal is staying at the registered position;
The pre-cooling process is further performed based on a confirmation result transmitted from the mobile communication terminal in response to the start confirmation of the pre-cooling process.
The refrigerator according to claim 6 or 7. The precooling process is stopped when the elapsed time of the precooling process exceeds the upper limit time.
The refrigerator according to any one of claims 6-8. Further comprising a notification unit that performs notification during execution of the precooling process,
The refrigerator according to any one of claims 6-9. to the computer,
a location information acquisition unit that acquires location information of a mobile communication terminal;
a pre-cooling determination unit that determines whether the mobile communication terminal is staying at the registered position based on a registered position that is different from the refrigerator and registered in advance and the position information of the mobile communication terminal; ,
a transmission unit configured to transmit confirmation of start of precooling processing of the refrigerator to the mobile communication terminal based on the determination result of the precooling determination unit ;
program to make it happen.

Images