JP7190911B2 - heating cooker - Google Patents

Description

The present invention relates to a heating cooker capable of wireless communication with mobile terminal devices.

In recent years, a technology has been developed in which facilities such as gas stoves are provided with wireless communication functions, and by using this wireless communication function to exchange signals with various electronic devices, the status of the facility devices is notified to the user via the various electronic devices. attention is focused on the development of

For example, in Patent Document 1, Bluetooth Low Energy (BLE) communication is used to enable wireless communication between an image forming apparatus and a user's terminal device, and information indicating the occurrence of an error in the image forming apparatus is advertised. A technique has been proposed in which information indicating the occurrence of an error can be notified to a user via a terminal apparatus that has received the advertising signal by including it in a signal and periodically transmitting the advertising signal.

Further, Japanese Patent Application Laid-Open No. 2002-200000 discloses an image forming apparatus that similarly uses an advertising signal of BLE communication and informs a user of error information via a terminal device capable of wireless communication with the image forming apparatus. In , by changing the signal strength of the advertising signal transmitted from the image forming apparatus according to the type of error that has occurred, the notification range can be controlled according to the content of the error, and the error can be notified within an appropriate range. .

JP 2016-147406 A JP 2018-001587 A

The techniques described in Patent Literature 1 and Patent Literature 2 are merely techniques for notifying a user that an error has occurred in an image forming apparatus by transmitting an advertisement signal, and are a technique for communicating between a specific device and a terminal device. It cannot be said that the functions of the system built to perform BLE communication between them are fully utilized.

By the way, many models of gas stoves (heating cookers), which are a type of equipment, are powered by dry batteries, and if the batteries run out, the gas burner will not be able to ignite and cooking will not be possible. There's a problem. Therefore, conventionally, this type of gas stove has been equipped with a method such as turning on a battery replacement lamp so as to inform the user that the dry battery needs to be replaced before the dry battery is completely exhausted. It is equipped with a mechanism that prompts you to replace the batteries.

However, simply turning on the battery replacement lamp to inform the user that the dry battery needs to be replaced may not, for example, cause the user who is concentrating on cooking to notice that the battery replacement lamp has been illuminated. Even if the user notices it, he/she forgets it while cooking, and the user may not properly replace the dry battery. Therefore, it is important not only to inform the user that the dry battery needs to be replaced in the heating cooker alone, but also to inform the user via the mobile terminal device owned by the user.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a cooking device capable of informing the user that the dry battery needs to be replaced.

The characteristic configuration of the heating cooker according to the present invention for achieving the above object is as follows:
a battery as a power source,
a communication means capable of short-range wireless communication by a mobile terminal device and BLE (Bluetooth Low Energy);
A heating cooker comprising a control device,
The control device is
a battery state acquisition unit that acquires the state of the dry battery;
a battery replacement necessity determination unit that determines whether the dry battery needs to be replaced based on the state of the dry battery acquired by the battery state acquisition unit;
a communication status monitoring unit that monitors a communication status with the mobile terminal device based on a signal transmission/reception status between the mobile terminal device and the communication means;
a communication control unit that controls the communication means;
The communication control unit
When the communication state monitored by the communication state monitoring unit is a state in which the connection between the mobile terminal device and the communication means is interrupted, and the battery replacement necessity determination unit determines that the dry battery needs to be replaced. The point is to control the communication means so as to transmit an advertisement signal including information indicating that the dry battery is in a state requiring replacement when it is determined that the dry battery is in a state.

According to the above characteristic configuration, in the heating cooker, the communication means enables short-range wireless communication with the mobile terminal device by BLE, the battery state acquisition unit acquires the state of the dry battery, and the acquired state of the dry battery is used. Second, the battery replacement necessity determining unit determines whether the dry battery needs to be replaced, and the communication state monitoring unit monitors the communication state between the portable terminal device and the communication means. Then, when the communication state monitored by the communication state monitoring unit is a state in which the connection between the mobile terminal device and the communication means is interrupted, and the battery replacement necessity determination unit determines that the dry battery is replaced When it is determined that the dry battery is in a state requiring replacement, the communication means is controlled so as to transmit an advertisement signal including information indicating that the dry battery is in a state requiring replacement.

That is, according to the above characteristic configuration, even when the connection between the portable terminal device and the communication means is interrupted, when the dry battery needs to be replaced, it is possible to detect that the dry battery needs to be replaced. An advertising signal including information to indicate is broadcast (transmitted) in the form of an advertising signal specific to BLE communication. Therefore, in the mobile terminal device that has received the advertising signal, for example, a so-called push notification is displayed on the display unit that the dry battery needs to be replaced. It can be confirmed that the dry battery is in a state requiring replacement.

In addition, short-range wireless communication using BLE is a communication mode that achieves power saving and cost saving.
Therefore, according to the above-described characteristic configuration, wireless communication is performed between the communication means and the mobile terminal device through this BLE communication, so power saving and cost saving can be realized.

Further, a further characteristic configuration of the heating cooker according to the present invention is provided with notification means for notifying that the dry battery is in a state requiring replacement,
The control device controls the notification means to operate the notification means based on the determination result when the battery replacement necessity determination unit determines that the dry battery needs to be replaced. and a notification control unit that transmits a signal including information indicating that the notification means has been activated,
The communication control unit transmits an advertisement signal including information indicating that the dry battery needs to be replaced when a signal including information indicating that the notification means has been activated is received. It is the point of controlling the means.

The heating cooker may be provided with a notification means such as a battery replacement lamp as a means for notifying that the dry battery needs to be replaced. In this case, after activating the notification means, Furthermore, it is preferable to inform the user through the portable terminal device that the dry battery needs to be replaced.
According to the above characteristic configuration, when the battery replacement necessity determination unit determines that the dry battery needs to be replaced, the notification control unit activates the notification means and provides information indicating that the notification means has been activated. is transmitted, and the communication control unit that receives the signal transmits an advertisement signal containing information indicating that the dry battery needs to be replaced. Therefore, in the mobile terminal device that has received the advertising signal, for example, a so-called push notification is displayed on the display unit that the dry battery needs to be replaced. It can be confirmed that the dry battery is in a state requiring replacement. That is, according to the above characteristic configuration, the user can confirm that the dry battery needs to be replaced not only by the notification means provided in the heating cooker but also by looking at the display on the display unit of the portable terminal device. can also

A further characteristic configuration of the heating cooker according to the present invention is that the advertising signal including information indicating that the notification means has been activated is an advertising signal including information indicating that the notification means has been activated. It is in.

According to the above characteristic configuration, the notification means operates when the dry battery needs to be replaced. The operation of the notification means is displayed in the form of a so-called push notification on the display unit, and the user can confirm that the dry battery needs to be replaced by viewing the display.

BRIEF DESCRIPTION OF THE DRAWINGS It is the figure which showed schematic structure of the cooking-by-heating appliance which concerns on 1st Embodiment, and a portable terminal device. 4 is a flowchart for explaining a process of notifying a user that a dry battery needs to be replaced in the first embodiment; 4 is a flowchart for explaining a process of notifying a user that a dry battery needs to be replaced in the first embodiment; FIG. 10 is a flowchart for explaining the process of notifying the user that the dry battery needs replacement in the second embodiment; FIG.

[First Embodiment]
Hereinafter, referring to the drawings, the first embodiment of the present invention is used as part of a cooking system including a cooking device GC and a portable terminal device S capable of wireless communication with the cooking device GC. will be described as an example. In addition, in this embodiment, the heating cooker GC is a gas stove.

As shown in FIG. 1, the heating cooker GC includes a dry battery 1 as a power supply, a communication unit 2 (communication means) capable of wirelessly communicating with a communication unit 21 of a mobile terminal device S owned by a user, and various information processing. A control device 3 that performs the operation, a battery replacement lamp 10 (informing means) that lights up when the dry battery 1 needs to be replaced, and one gas burner 11 that heats the cooking appliance.

The heating cooker GC is provided with a burner operation unit (not shown), and by pushing and rotating the burner operation unit, the gas burner 11 can be ignited, extinguished, and the power can be adjusted. It is possible. When an operation for igniting and extinguishing the gas burner 11 is performed, a signal (burner ignition signal) or a signal (burner extinguishing signal) indicating that an ignition operation has been performed or extinguishing operation has been performed is controlled. It is designed to be sent to the device 3 .

In this embodiment, the communication units 2 and 21 are configured to mutually perform Bluetooth Low Energy (BLE) communication and Bluetooth (registered trademark) communication, which are types of short-range wireless communication. In this embodiment, the advertising signal transmitted (broadcast) from the communication unit 2 of the heating cooker GC operating as a BLE peripheral is transmitted (broadcasted) to the communication unit of the mobile terminal device S operating as a BLE central. 21 is to receive.

In this embodiment, it is assumed that device registration (pairing) has already been completed with the portable terminal device S from which the communication unit 21 has received the advertising signal broadcast from the communication unit 2 of the heating cooker GC. In addition, the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC transmit the advertising signal broadcast from the communication unit 2 of the heating cooker GC to the mobile terminal device S in a state where device registration has been completed. A signal that is received by the communication unit 21 of the mobile terminal device S and indicates that an advertise signal has been received from the communication unit 21 of the mobile terminal device S in which a predetermined application is running (including a state running in the background). By the transmission, the communication unit 21 of the mobile terminal device S and the communication unit 2 of the heating cooker GC enter a state in which data signals can be transmitted and received (hereinafter also referred to as "normally connected state"). In the normal connection state, the data signal (connection state confirmation signal) for confirming the connection state between the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC is constant. The transmission/reception is performed at intervals, and the communication status monitoring section 7, which will be described later, monitors the transmission/reception status of the connection status confirmation signal. On the other hand, when the application stops or the mobile terminal device S goes out of the communication range, data signals cannot be transmitted and received between the communication unit 21 of the mobile terminal device S and the communication unit 2 of the heating cooker GC ( disconnected). Note that the advertise signal is not transmitted in a state in which data signals can be transmitted and received (normally connected state).

The "data signal" means a data part including data to be transmitted, an access address for identifying a connection partner (that is, the cooking device GC for the mobile terminal device S, or the mobile terminal device S for the cooking device GC). and so on. On the other hand, the "advertising signal" is an advertising packet consisting of a data portion including data to be transmitted and device information on the transmitting side (that is, device information on the side of the heating cooker GC), an access address that is a predetermined fixed value, and the like. be.

The control device 3 includes a battery state acquisition unit 4 that acquires the state of the dry battery 1, a battery replacement necessity determination unit 5 that determines whether the dry battery 1 needs to be replaced, and a notification control unit that controls the operation of the battery replacement lamp 10. 6, based on the signal transmission/reception status between the communication unit 21 of the mobile terminal device S and the communication unit 2 of the heating cooker GC, the communication unit 21 of the mobile terminal device S and the communication unit 2 of the heating cooker GC and a communication control unit 8 for controlling the communication unit 2. The state of the dry battery 1 obtained by the battery state obtaining unit 4 and the communication state monitoring unit 7 A storage unit 9 is provided for storing monitored communication states and the like. It should be noted that although not shown in the figure, various functional units for controlling the operation of each unit of the heating cooker GC are also provided.

The battery state acquisition unit 4 is a functional unit that acquires the state of the dry battery 1. Specifically, in the present embodiment, the battery state acquisition unit 4 detects the voltage of the dry battery 1 and transmits the detection result to the battery replacement necessity determination unit 5. .

The battery replacement necessity determining unit 5 determines whether the dry battery 1 needs to be replaced based on the state of the dry battery 1 acquired by the battery state acquiring unit 4 . Specifically, the battery replacement necessity determination unit 5 determines whether or not the voltage of the dry battery 1 transmitted from the battery state acquisition unit 4 is less than a predetermined limit voltage (for example, 2.1 V). If it is, it is determined that the dry battery 1 does not need to be replaced (replacement is unnecessary), and if it is less than the limit voltage, it is determined that the dry battery 1 needs to be replaced (replacement is required), and the notification control unit 6 reports the determination result. Send to

The notification control unit 6 is a control unit that controls the operation of the battery replacement lamp 10. Specifically, when receiving the determination result that the dry battery 1 needs to be replaced from the battery replacement necessity determination unit 5, The battery replacement lamp 10 is turned on, and a signal including information indicating that the battery replacement lamp 10 has been activated is transmitted to the communication control section 8 .

The communication state monitoring unit 7 monitors the transmission/reception state (signal strength is ), monitor the communication state between the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC, and sequentially transmit the communication state to the storage unit 9 . The communication state monitoring unit 7 judges that the connection state is normal when receiving the connection state confirmation signal from the communication unit 21 of the portable terminal device S at regular time intervals, and outputs the connection state confirmation signal. If there is no reception for a certain period of time, it is determined that the connection is interrupted.

When the communication control unit 8 receives a signal including information indicating that the battery replacement lamp 10 has been activated from the notification control unit 6, the communication control unit 8 refers to the storage unit 9 to determine whether the communication state is normally connected. Alternatively, it determines whether the connection is interrupted.

In this communication control unit 8, when the communication state is a normal connection state, a data signal with a predetermined signal strength (strength of a signal normally exchanged in a normal connection state) is sent to the mobile terminal device. The operation of the communication unit 2 of the heating cooker GC is controlled so as to transmit to the communication unit 21 of S. In this case, the data portion of the data signal includes information indicating that the battery replacement lamp 10 has been turned on as information indicating that the dry battery 1 needs to be replaced.

Further, when the communication state is in a disconnected state, the communication control unit 8 broadcasts an advertisement signal having a signal strength equal to or lower than that of the data signal. It controls the operation of 2. In this case, the data portion of the advertising signal includes information indicating that the battery replacement lamp 10 has been turned on as information indicating that the dry battery 1 needs to be replaced.

Next, the mobile terminal device S according to this embodiment will be described. As shown in FIG. 1, the portable terminal device S includes a communication unit 21 capable of wireless communication with the communication unit 2 (communication means) of the heating cooker GC, a display unit 22 capable of displaying predetermined information, and a heating cooker. A control device 25 is provided for executing application programs used for remote control of the GC and confirmation of the operating state, and for performing various types of information processing related to the operation of the mobile terminal device S.

The communication unit 21 is configured to perform BLE communication and Bluetooth communication with the communication unit 2 of the heating cooker GC, as described above.

The control device 25 includes a CPU, a ROM, a RAM, and the like, and as shown in FIG. 29, and a storage unit 30 for storing various information.

The replacement information acquisition unit 27 obtains battery replacement information indicating that the dry battery 1 of the cooking device GC needs to be replaced, based on a signal transmitted from the communication unit 2 of the cooking device GC via wireless communication. Acquire (exchange information acquisition function). In the present embodiment, the replacement information acquisition unit 27 indicates that the battery replacement lamp 10 has been turned on as information indicating that the dry battery 1 needs to be replaced, which is transmitted from the communication unit 2 of the heating cooker GC. When the communication unit 21 receives a data signal containing information, battery replacement information is acquired based on the information in the data signal received by the communication unit 21 . Note that the replacement information acquisition unit 27 transmits the acquired battery replacement information to the information display unit 28 .

The information display unit 28 displays the battery replacement information transmitted from the replacement information acquisition unit 27 on the display unit of the portable terminal device S so that the user can select whether to replace the dry battery 1 or postpone the replacement of the dry battery 1. 22 (information display function). Specifically, the information display unit 28 in the present embodiment displays “replace now” and “replace later” as options regarding the replacement timing of the dry battery 1 on the display unit 22 in a state in which the user can select.

If the selection result acquired by the selection result acquisition unit 29 is a selection to replace the dry battery 1, the information display unit 28 is based on a signal transmitted from the selection result acquisition unit 29, which will be described later. When the user selects "replace now", the method of replacing the dry battery 1 is displayed on the display section 22. FIG.
On the other hand, if the selection result is a selection to postpone the replacement of the dry battery 1, that is, if the user selects "replace later", it indicates that the dry battery 1 needs to be replaced at a predetermined reminder timing. A reminder notification containing information is displayed on the display unit 22 . In this embodiment, after the user selects "replace later", it is determined whether or not a certain period of time (for example, one hour) has elapsed. Show me how.

The selection result acquisition unit 29 determines which of the options (“replace now” and “replace later”) displayed on the display unit 22 by the information display unit 28 is selected by the user, that is, replaces the dry battery 1. or hold the replacement of the dry battery 1 (selection result acquisition function). The selection result acquisition unit 29 also transmits a signal regarding the selection result to the information display unit 28 .

In the present embodiment, the exchange information acquisition function by the exchange information acquisition unit 27, the information display function by the information display unit 28, and the selection result acquisition function by the selection result acquisition unit 29 are the remote operation and the operating state of the heating cooker GC. Although not shown, the control device 25 includes an exchange information acquisition unit 27, an information display unit 28, a selection result acquisition function, the remote operation and A functional unit is provided for executing a function for confirming the operating state.

Next, the process of notifying the user that the dry battery 1 needs replacement in the first embodiment will be described with reference to FIGS. 2 and 3. FIG.

First, in step #1 of FIG. 2, the voltage of the dry battery 1 is detected by the battery state acquiring unit 4, the detection result is sent to the battery replacement necessity determination unit 5, and the process proceeds to step #2.

Next, in step #2, the battery replacement necessity determining unit 5 determines whether or not the battery needs to be replaced based on whether the detection result of the voltage of the dry battery 1 is less than the limit voltage. If it is determined that the condition requires replacement, the process moves to step #3, and if it is determined that the condition does not require replacement, the process returns to step #1.

In step #3, the notification control unit 6 controls the operation of the battery replacement lamp 10 so that the battery replacement lamp 10 is lit, and a signal including information indicating that the battery replacement lamp 10 has been illuminated is sent to the communication control unit. 8 and proceed to step #4.

In step #4, the storage unit 9 is referred to in the communication control unit 8, and the stored latest communication state indicates that the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC are normally connected. If it is determined that the connection is normal, the process proceeds to step #5, and if it is determined that the connection is not normal, the process # Go to 6.

In step #5, the communication control section 8 operates the communication unit 2 so as to transmit a data signal including information indicating that the battery replacement lamp 10 has been turned on to the communication unit 21 of the portable terminal device S with a predetermined signal strength. is controlled, the data signal is transmitted, and the process proceeds to step #8.

On the other hand, if it is determined in step #4 that the connection is not normal, in step #6, the communication control unit 8 transmits an advertisement signal containing information indicating that the battery replacement lamp 10 has been turned on. The operation of the communication unit 2 is controlled so as to broadcast at , the advertise signal is broadcast, and the process moves to step #7.

In step #7, in the mobile terminal device S that has received the advertising signal, the fact that the battery replacement lamp 10 has turned on is displayed on the display unit 22 as a so-called push notification, and the process ends.

In step #8, the battery replacement information is acquired in the replacement information acquisition unit 27 of the portable terminal device S based on the information in the data signal transmitted via wireless communication from the communication unit 2 of the heating cooker GC, The battery replacement information is transmitted to the information display section 28, and the process proceeds to step #9 in FIG.

In step #9, the information display section 28 displays "replace now" and "replace later" as choices regarding the replacement timing of the dry battery 1 on the display section 22, and the process proceeds to step #10.

In step #10, when the user selects one of the options "replace now" and "replace later", the selection result acquisition unit 29 transmits the selection result to the information display unit 28, In the information display section 28, it is determined whether or not "replace later" has been selected by the user. If it is determined that "replace later" has been selected, the process proceeds to step #11, where "replace later" is performed. is not selected ("Replace Now" is selected), the process moves to step #12.

In step #11, after the user selects "select later", it is determined whether or not a certain period of time has elapsed. If it is determined that the period has not elapsed, step #11 is repeated.

In step # 12 , the information display section 28 displays the replacement method for the dry battery 1 on the display section 22 .

Thus, in the first embodiment, the heating cooker GC acquires the state of the dry battery 1, determines whether the dry battery 1 needs to be replaced based on the acquired state of the dry battery 1, and turns on the battery replacement lamp 10. In addition to lighting, when the communication state is a disconnected state, the communication unit 2 can broadcast an advertising signal including information indicating that the battery replacement lamp 10 has been turned on.

That is, in the first embodiment, even if the connection between the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC is broken, when the dry battery 1 needs to be replaced, , a signal including information indicating that the battery replacement lamp 10 has been turned on as information indicating that the dry battery 1 needs to be replaced is broadcast in the form of an advertising signal specific to BLE communication. In the received mobile terminal device S, information indicating that the battery replacement lamp 10 has turned on is displayed on the display unit 22 in the form of a so-called push notification. You can confirm that it is in a state that requires

Also, the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC communicate with each other by short-range wireless communication using BLE, thereby realizing power saving and cost saving.

In the first embodiment, the mobile terminal device S implements an exchange information acquisition function, an information display function, and a selection result acquisition function by an application program. Then, by executing the application, when the communication state is a state in which the communication unit 21 of the mobile terminal device S and the communication unit 2 of the heating cooker GC are normally connected, Based on the data signal transmitted from the communication unit 2, it is possible to acquire battery replacement information indicating that the dry battery 1 is in a state requiring replacement. Then, by the information display function, the user can select the replacement timing of the dry battery 1 by displaying options on the display unit 22, and the timing of displaying the replacement method of the dry battery 1 on the display unit 22 is changed according to the user's selection. can be done.

That is, in the first embodiment, when the user selects "replace now" from the options ("replace now" and "replace later") regarding the replacement timing of the dry battery 1 displayed on the display unit 22. Since the replacement method of the dry battery 1 is displayed on the display unit 22, the user can be notified that the dry battery 1 needs to be replaced. , the user can smoothly perform the replacement work without referring to an instruction manual or the like. On the other hand, since it is necessary to avoid extinguishing the gas burner 11 by replacing the dry battery 1 while cooking is being performed using the heating cooker GC, the user selects "Replace later". In this case, the replacement method for the dry battery 1 is displayed on the display unit 22 after a certain period of time has elapsed. Therefore, it is possible to inform the user again that the dry battery 1 needs to be replaced.

[Second embodiment]
In the second embodiment, mainly, the communication control unit 8 receives the determination result that the dry battery 1 is in a state requiring replacement from the battery replacement necessity determination unit 5, and indicates that the dry battery 1 is in a state requiring replacement. It transmits a data signal containing information, similarly broadcasts an advertising signal containing information indicating that the dry battery 1 needs to be replaced, and the mobile terminal device S does not include the selection result acquisition unit 29. It differs from the first embodiment. A second embodiment will be described below.

In the second embodiment, the battery replacement necessity determination unit 5 also transmits the determination result to the communication control unit 8, and the communication control unit 8 is in a state in which the dry battery 1 needs replacement from the battery replacement necessity determination unit 5. When receiving the determination result, the storage unit 9 is referred to and it is determined whether the communication state is a normal connection state or a disconnected state.

In this embodiment, when the communication state is a normal connection state, the communication control unit 8 outputs a data signal with a predetermined signal strength (the strength of the signal normally exchanged in the normal connection state). The operation of the communication unit 2 of the heating cooker GC is controlled so as to transmit to the communication unit 21 of the portable terminal device S. In this case, the data portion of the data signal contains information indicating that the dry battery 1 needs to be replaced.

Further, when the communication state is in a disconnected state, the communication control unit 8 controls the operation of the communication unit 2 of the heating cooker GC so as to broadcast the data signal and an advertisement signal having a predetermined signal strength. do. In this case, the data portion of the advertising signal contains information indicating that the dry battery 1 needs to be replaced.

In the present embodiment, the information display unit 28 of the mobile terminal device S causes the display unit 22 to display the replacement method of the dry battery 1 as the display related to the battery replacement information transmitted from the replacement information acquisition unit 27 .

Next, in the second embodiment, the process of notifying the user that the dry battery 1 needs to be replaced will be described with reference to FIG.

First, in step #21 of FIG. 4, the voltage of the dry battery 1 is detected by the battery state acquisition unit 4, and the detection result is sent to the battery replacement necessity determination unit 5, and the process proceeds to step #22.

Next, in step #22, the battery replacement necessity determining unit 5 determines whether the battery needs to be replaced based on whether the detection result of the voltage of the dry battery 1 is less than the limit voltage. If it is determined that the condition requires replacement, the process proceeds to step #23, and if it is determined that the condition does not require replacement, the process returns to step #21.

In step #23, the storage unit 9 is referred to in the communication control unit 8, and the stored latest communication state indicates that the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC are normally connected. If it is determined that the connection is normal, the process proceeds to step #24, and if it is determined that the connection is not normal, the process # 27.

In step #24, the communication control section 8 causes the communication unit 8 to transmit a data signal including information indicating that the dry battery 1 needs to be replaced to the communication unit 21 of the mobile terminal device S at a predetermined signal strength. 2 is controlled, the data signal is transmitted, and the process proceeds to step #25.

In step #25, the battery replacement information is acquired in the replacement information acquisition unit 27 of the mobile terminal device S based on the information in the data signal transmitted from the communication unit 2 of the heating cooker GC via wireless communication, The battery replacement information is transmitted to the information display section 28, and the process proceeds to step #26.

At step #26, the method for replacing the dry battery 1 is displayed on the display section 22 in the information display section 28, and the process ends.

On the other hand, if it is determined in step #23 that the connection is not normal, in step #27, the communication control unit 8 transmits a predetermined advertisement signal including information indicating that the dry battery 1 needs to be replaced. The operation of the communication unit 2 is controlled so as to broadcast with a signal strength of , the advertising signal is broadcast, and the process moves to step #28.

In step #28, in the portable terminal device S that has received the advertising signal, a so-called push notification is displayed on the display unit 22 that the dry battery 1 needs to be replaced, and the process ends.

Thus, in the second embodiment, the heating cooker GC acquires the state of the dry battery 1, determines whether the dry battery 1 needs to be replaced based on the acquired state of the dry battery 1, and confirms that the communication state is connected. is interrupted, the communication unit 2 can broadcast an advertisement signal including information indicating that the dry battery 1 needs to be replaced.

That is, in the second embodiment, even if the connection between the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC is interrupted, when the dry battery 1 needs to be replaced, , a signal including information indicating that the dry battery 1 is in a state requiring replacement is broadcast in the form of an advertising signal specific to BLE communication, and the portable terminal device S that has received this advertising signal indicates that the dry battery 1 needs to be replaced. Information indicating that the dry battery 1 is in a state requiring replacement is displayed on the display unit 22 in the form of a so-called push notification. By viewing the display, the user can confirm that the dry battery 1 is in a state requiring replacement. be able to.

Further, in the second embodiment, the portable terminal device S implements an exchange information acquisition function and an information display function by an application program. Then, by executing the application program, when the communication state is a state in which the communication unit 21 of the mobile terminal device S and the communication unit 2 of the heating cooker GC are normally connected, Based on the data signal transmitted from the communication unit 2, it is possible to acquire battery replacement information indicating that the dry battery 1 is in a state requiring replacement. The information display function allows the display unit 22 to display how to replace the dry battery 1 . Therefore, by looking at the display, the user can confirm that the dry battery 1 needs to be replaced. The replacement work can be performed smoothly without having to do so.

[Another embodiment]
[1] In each of the above embodiments, when the communication unit 21 of the portable terminal device S and the communication unit 2 of the heating cooker GC are properly connected, finally the method of replacing the dry battery 1 is displayed. However, the present invention is not limited to this, and it is also possible to simply display that the dry battery 1 needs to be replaced.

[2] In each of the above embodiments, it is determined whether or not the dry battery 1 needs to be replaced based on the voltage of the dry battery 1. However, the present invention is not limited to this. may be used to determine whether or not replacement is necessary.

[3] In the first embodiment, information indicating that the battery replacement lamp 10 has been turned on; The information indicating that the dry battery 1 is in a state requiring replacement is transmitted, but is not limited to this. For example, it may be information indicating that the voltage of the dry battery 1 has decreased.

[4] In the first embodiment, information indicating that the battery replacement lamp 10 has been turned on; is broadcasted, and the information is displayed on the display unit 22 as a push notification in the mobile terminal device S that receives the advertised signal. It is not limited to this.
For example, in the advertising signal, information for displaying the method of replacing the dry battery 1 on the display unit 22, a URL for accessing a web page on which the method of replacing the dry battery 1, and the like are displayed on the display unit 22. In the mobile terminal device S that has received the advertising signal, including the information, the method of replacing the dry battery 1 and the URL may be displayed on the display unit 22 as a push notification.

[5] In the first embodiment, after the user selects "Select later", the reminder notification is displayed after a certain period of time has elapsed. A reminder notification may be displayed when the application is turned on or when the application is terminated.

[6] The configurations disclosed in each of the above embodiments (including other embodiments) can be applied in combination with configurations disclosed in other embodiments unless there is a contradiction. The embodiments disclosed in the specification are exemplifications, and the embodiments of the present invention are not limited thereto, and can be modified as appropriate without departing from the object of the present invention.

INDUSTRIAL APPLICABILITY The present invention can be used for a heating cooker capable of notifying a user that a dry battery needs to be replaced.

1 dry battery 2 communication unit (communication means)
3 Control device 4 Battery status acquisition unit 5 Battery replacement necessity determination unit 6 Notification control unit 7 Communication status monitoring unit 8 Communication control unit 10 Battery replacement lamp (notification means)
GC Heating cooker S Portable terminal device

Claims (3)

a battery as a power source,
a communication means capable of short-range wireless communication by a mobile terminal device and BLE (Bluetooth Low Energy);
A heating cooker comprising a control device,
The control device is
a battery state acquisition unit that acquires the state of the dry battery;
a battery replacement necessity determination unit that determines whether the dry battery needs to be replaced based on the state of the dry battery acquired by the battery state acquisition unit;
a communication status monitoring unit that monitors a communication status with the mobile terminal device based on a signal transmission/reception status between the mobile terminal device and the communication means;
a communication control unit that controls the communication means;
The communication control unit
When the communication state monitored by the communication state monitoring unit is a state in which the connection between the mobile terminal device and the communication means is interrupted, and the battery replacement necessity determination unit determines that the dry battery needs to be replaced. A heating cooker that controls the communication means to transmit an advertisement signal containing information indicating that the dry battery is in a state requiring replacement when it is determined that the dry battery is in a state of needing replacement. Provided with a notification means for notifying that the dry battery is in a state requiring replacement,
The control device controls the notification means to operate the notification means based on the determination result when the battery replacement necessity determination unit determines that the dry battery needs to be replaced. and a notification control unit that transmits a signal including information indicating that the notification means has been activated,
The communication control unit transmits an advertisement signal including information indicating that the dry battery needs to be replaced when a signal including information indicating that the notification means has been activated is received. 2. The heating cooker according to claim 1, which controls means. 3. The heating cooker according to claim 2, wherein the advertising signal containing information indicating that the notification means has been activated is an advertising signal containing information indicating that the notification means has been activated.

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