WO2013111898A1 - Appareil électronique, dispositif de contrôle, système de communication, procédé de définition de condition de notification, procédé de communication, et programme - Google Patents

Appareil électronique, dispositif de contrôle, système de communication, procédé de définition de condition de notification, procédé de communication, et programme Download PDF

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Publication number
WO2013111898A1
WO2013111898A1 PCT/JP2013/051747 JP2013051747W WO2013111898A1 WO 2013111898 A1 WO2013111898 A1 WO 2013111898A1 JP 2013051747 W JP2013051747 W JP 2013051747W WO 2013111898 A1 WO2013111898 A1 WO 2013111898A1
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WIPO (PCT)
Prior art keywords
power consumption
node
tap
information
power
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PCT/JP2013/051747
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English (en)
Japanese (ja)
Inventor
山田　雄介
戸田　浩義
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シャープ株式会社
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Publication of WO2013111898A1 publication Critical patent/WO2013111898A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
    • H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter

Definitions

  • the present invention relates to an electronic device having a communication function, a control device, a communication system, a notification condition setting method, a communication method, and a program.
  • a communication system including a plurality of power consumption measuring devices (hereinafter also referred to as “taps”), a control device for controlling the plurality of power consumption measuring devices, and an electronic apparatus including a display is known.
  • Each tap is connected to a home outlet and measures the instantaneous power consumption of the home appliance connected to the tap. Furthermore, each tap accumulates instantaneous power consumption and stores the accumulated power amount.
  • each tap transmits power information such as an instantaneous power consumption value of a home appliance connected to the tap and a cumulative integrated power amount to the control device.
  • the control device collects power information of each tap and stores it in the control device or transfers it to an electronic device or the like equipped with a display.
  • An electronic device or the like provided with a display displays power information such as an instantaneous power consumption value of a home appliance and a cumulative integrated power amount on the display so that the user can visually recognize the information.
  • the control device when collecting power information of each tap from the control device, there are a pull type method and a push type method.
  • the pull type the control device transmits a command for reading power information to each tap at an arbitrary timing, and collects the power information by receiving the response.
  • the push type the control device transmits a report condition command that prescribes a report transmission interval, information to be reported, and the like to each tap and receives a response. Thereafter, reports are transmitted from each tap based on the set report condition, and power information is collected by receiving these reports.
  • ZigBee registered trademark
  • ZigBee which is a personal area network
  • Non-Patent Document 2 shown below discloses the ZigBee specification.
  • Non-Patent Document 2 discloses, for example, commands used in ZigBee.
  • the terms coordinator, router, and end device represent the types of logical devices in ZigBee.
  • Non-Patent Document 3 shown below also discloses the ZigBee specification.
  • Non-Patent Document 2 discloses, for example, clusters (functions) used in ZigBee, attribute definitions, commands for reading attributes and writing attributes, and the like.
  • Non-Patent Document 1 shown below describes a technique for collecting information in the ZigBee specification.
  • the control device transmits an attribute read (Read Attribute) to each tap at an arbitrary timing, and receives an attribute read response (Read Attribute Response) from the tap.
  • the control device transmits a report setting (Configure Reporting) that prescribes a report transmission interval and an attribute to be reported to each tap in advance, and receives a report setting response (Configure Reporting Response).
  • an attribute report Report Attributes
  • the control device collects power information by receiving the attribute report.
  • the pull type has an advantage that the control device can acquire tap power information according to the system time of the control device.
  • the attribute read request packet that is, the outgoing packet
  • the attribute read response packet that is, the return packet.
  • 2 packets are required.
  • the pull type that requires a round-trip packet it is difficult to acquire power information as compared to the push type. Measures are necessary in consideration of the possibility that power information cannot be acquired. Specifically, it is necessary to design such that the timeout time is appropriately set, and if there is no response packet exceeding the predetermined timeout time, the attribute read request packet is transmitted again (retry).
  • the pull type requires a time for waiting for an attribute read response after transmitting an attribute read request and a time required for retry.
  • the push type is suitable.
  • the pull type is suitable.
  • each tap generally stores report condition settings and the like in a volatile memory (RAM: Random Access Memory).
  • RAM Random Access Memory
  • Non-Patent Document 1 described above describes a mechanism called “Silent Rejoin”.
  • “Silent Rejoin” is a mechanism in which a node operating as a ZigBee router rejoins the network silently when its power is turned off and then on again.
  • its network information PanID, Extended PanID, logical channel, etc.
  • NVRAM Non Volatile RAM
  • the tap transmits a report to the control device according to the report condition.
  • the tap is removed from the outlet, the power supply to the tap is stopped. For this reason, the report conditions stored in the volatile memory are lost.
  • the tap forgets the report condition and therefore does not transmit a report to the control device. Therefore, when an application is a push type and acquires power information from each tap, even if the tap is removed from the outlet and attached again, the report does not come up from the tap. The application cannot acquire power information from the tap unless the report condition is set again for the tap.
  • the tap can send a report according to the report conditions.
  • NVRAM has a limit on the number of rewrites
  • the push type is suitable for acquiring power information and the like in real time (at intervals of about several seconds).
  • the pull type when there are a large number of taps, it is difficult to acquire power information and the like in real time (at intervals of about several seconds).
  • a design may be considered in which when an application detects that a report transmission does not rise from a tap for a certain period of time, a presence confirmation packet is periodically sent to the tap.
  • the tap is connected to the outlet and communication is possible between the tap and the control device
  • the report condition etc. is again applied to the tap.
  • Design to set.
  • the timing at which the tap is connected to the outlet is indefinite. There will be a certain time lag after the tap is connected to the outlet until the report is sent again from the tap.
  • the present invention has been made in view of the above problems, and its purpose is to shorten the period during which power information is not notified even when power supply to the power consumption measuring device is stopped and supplied again.
  • an electronic device capable of effectively using the nonvolatile memory in the power consumption meter, a control device that manages the power consumption meter, a communication system including the electronic device, a notification condition setting method in the communication device, a communication method, And providing a program for controlling the communication device.
  • the electronic device communicates with a control device that manages a power consumption measuring device operating as a router.
  • the power consumption measuring device transmits power information representing the power consumption in the home appliance connected to the power consumption measuring device to the electronic device via the control device based on the conditions set by the electronic device.
  • the conditions are stored in the volatile memory of the power consumption meter.
  • the electronic device receives, from the control device, a second signal based on the first signal transmitted from the power consumption meter based on the fact that the power feeding is resumed after the power feeding to the power consumption meter is stopped.
  • a receiving unit and a resetting unit that resets conditions for the power consumption measuring device via the control device based on the reception of the second signal.
  • the electronic device includes a first operation mode for collecting power information and a second operation mode for collecting power information.
  • the resetting unit resets the condition for the power consumption measuring device when the electronic device is in the first operation mode.
  • the electronic device further includes a display unit for displaying the collected power information.
  • the resetting unit resets the conditions for the power consumption meter when the power information is displayed in the first operation mode.
  • the electronic device stops transmission of power information to the power consumption measuring device via the control device.
  • the condition represents a time interval for transmitting power information.
  • a control apparatus communicates with an electronic device and manages the power consumption measuring device which is operate
  • the power consumption measuring device transmits power information representing the power consumption in the home appliance connected to the power consumption measuring device to the electronic device via the control device based on the conditions set by the electronic device.
  • the conditions are stored in the volatile memory of the power consumption meter.
  • the control device includes: a receiving unit that receives a first signal transmitted based on the fact that power supply is resumed after power supply to the power consumption meter is stopped; Based on the reception, the transmission unit that transmits the second signal to the electronic device, and the command for instructing the resetting of the condition from the electronic device after transmitting the second signal, And a transfer unit that transfers the power to the power consumption meter.
  • the communication system includes a power consumption measuring device operating as a router, a control device that manages the power consumption measuring device, and an electronic device that communicates with the control device.
  • the power consumption measuring device transmits power information representing the power consumption in the home appliance connected to the power consumption measuring device to the electronic device via the control device based on the condition set by the electronic device.
  • the power consumption meter stores the condition in the volatile memory of the power consumption meter.
  • the power consumption measuring device transmits the first signal based on the fact that the power supply is resumed after the power supply to the power consumption measuring device is stopped.
  • the control device receives the first signal.
  • the control device transmits a second signal based on the first signal to the electronic device.
  • the electronic device receives the second signal from the control device. Based on the reception of the second signal, the electronic device resets the condition for the power consumption measuring device via the control device.
  • the communication condition determination method is executed in an electronic device that communicates with a control device that manages a power consumption measuring instrument operating as a router.
  • the power consumption measuring device transmits power information representing the power consumption in the home appliance connected to the power consumption measuring device to the electronic device via the control device based on the conditions set by the electronic device.
  • the conditions are stored in the volatile memory of the power consumption meter.
  • the electronic device outputs a second signal based on the first signal transmitted from the power consumption meter based on the fact that the power feeding is resumed after the power feeding to the power consumption meter is stopped. Receiving from the control device, and resetting the conditions for the power consumption measuring device via the control device based on the fact that the electronic device has received the second signal.
  • the communication method is executed in a control device that communicates with an electronic device and manages a power consumption measuring instrument operating as a router.
  • the power consumption measuring device transmits power information representing the power consumption in the home appliance connected to the power consumption measuring device to the electronic device via the control device based on the conditions set by the electronic device.
  • the conditions are stored in the volatile memory of the power consumption meter.
  • the program controls an electronic device that communicates with a control device that manages a power consumption measuring device operating as a router.
  • the power consumption measuring device transmits power information representing the power consumption in the home appliance connected to the power consumption measuring device to the electronic device via the control device based on the conditions set by the electronic device.
  • the conditions are stored in the volatile memory of the power consumption meter.
  • the program receives from the control device a second signal based on the first signal transmitted from the power consumption meter based on the fact that the power feeding is resumed after the power feeding to the power consumption meter is stopped. And a step of resetting the condition for the power consumption measuring device via the control device based on the reception of the second signal.
  • the program controls a control device that communicates with an electronic device and manages a power consumption measuring instrument operating as a router.
  • the power consumption measuring device transmits power information representing the power consumption in the home appliance connected to the power consumption measuring device to the electronic device via the control device based on the conditions set by the electronic device.
  • the conditions are stored in the volatile memory of the power consumption meter.
  • the program receives from the power consumption measuring device a step of receiving a first signal transmitted based on the restart of the power supply after the power supply to the power consumption measuring device is stopped and the first signal. Based on the above, the step of transmitting the second signal to the electronic device and the instruction for instructing the resetting of the condition from the electronic device after transmitting the second signal And transferring the data to the measuring device.
  • the present invention even when the power supply to the power consumption measuring device is stopped and supplied again, the period during which the power information is not notified can be shortened, and the non-volatile memory in the power consumption measuring device can be effectively used. It becomes possible.
  • 3 is a sequence chart in the network Z. It is a flowchart explaining the process after the power activation by the side of a tap. It is a figure explaining the process after pushing the setting button by the side of a tap. It is a flowchart about the address collision detection process implemented when pairing is completed. It is a flowchart about the packet reception process repeatedly performed when pairing is completed. It is a flowchart explaining the packet reception process by the side of a tap. It is a flowchart explaining the process in the case of a long press of the setting button in a tap. It is a flowchart explaining a process at the time of receiving the network leaving declaration signal transmitted from the tap.
  • FIG. It is a flowchart explaining the leave process of a repeater. It is the flowchart which showed the process of UI application implemented when starting real-time display mode. It is a functional block diagram showing the functional structure of the tablet terminal. 3 is a functional block diagram showing a functional configuration of a repeater 1001.
  • FIG. It is the figure which showed schematic structure of the network at the time of using a tablet terminal as a control apparatus of the network Z. It is a block diagram of a tablet terminal. It is a figure for demonstrating the process performed with a tablet terminal when a new tap joins the network Z.
  • FIG. It is a figure for demonstrating the method to select a tap. It is the figure which showed the screen which links
  • FIG. 1 is a diagram showing a schematic configuration of a network according to an embodiment of the present invention.
  • the system according to the embodiment of the present invention includes a network Z and a network E.
  • the network Z indicates a low-speed wireless communication network (in this example, ZigBee is assumed).
  • the network E indicates a high-speed communication network (in this example, Ethernet (registered trademark), WiFi (registered trademark), or a combination thereof is assumed).
  • a network using the above method will be described, but the present invention is not particularly limited to the above.
  • Z-WAVE registered trademark
  • Bluetooth registered trademark
  • specific low power radio or the like
  • PLC Power Line Communications
  • the network Z includes a repeater 1001 that is a control device and a plurality of taps 1004a, 1004b, 1004c, and the like.
  • the network E includes a repeater 1001, a broadband router 1002, a personal computer 1003, and the like.
  • a tablet terminal 1008 may be included.
  • the repeater 1001 is included in both the network Z and the network E.
  • the repeater 1001 has an HTTP (Hyper Text Transfer Protocol) server function.
  • a plurality of home appliances for example, an air conditioner 1005, a refrigerator 1006, a television 1007, etc.
  • the power plug 1051 of the air conditioner 1005 is inserted into the socket of the tap 1004a.
  • the power plug 1061 of the refrigerator 1006 is inserted into the socket of the tap 1004b.
  • the power plug 1071 of the television 1007 is inserted into the socket of the tap 1004c.
  • the taps 1004a, 1004b, and 1004c are respectively attached to outlets 1015, 1016, and 1017 installed in the house. Thereby, the taps 1004a, 1004b, and 1004c are supplied with power.
  • the taps 1004a, 1004b, and 1004c are power consumption measuring instruments that measure the power consumption of each home appliance connected thereto.
  • the tap 1004a measures the power consumption of the air conditioner 1005.
  • Each of the taps 1004a, 1004b, and 1004c can transmit the measured power consumption to the repeater 1001.
  • the taps 1004a, 1004b, and 1004c are expressed without distinction, they are expressed as “tap 1004”.
  • Each of the repeater 1001 and the plurality of taps 1004 includes a low-speed wireless communication module.
  • the repeater 1001 and the plurality of taps 1004 constitute a low-speed wireless communication network Z (hereinafter also simply referred to as “network Z”).
  • the repeater 1001 is connected to the wireless broadband router 1002 by Ethernet.
  • the repeater 1001 functions as a bridge (medium conversion device) or a gateway (protocol conversion device) between the network Z and the network E.
  • the repeater 1001 performs low-speed wireless communication with a plurality of taps 1004.
  • the wireless broadband router 1002 may be connected to the Internet.
  • the personal computer 1003 is connected to the wireless broadband router 1002 by Ethernet or WiFi.
  • the personal computer 1003 is a general personal computer on which a browser (HTTP client) operates.
  • the personal computer 1003 communicates with the HTTP server of the repeater 1001 via the browser (HTTP client) of the personal computer 1003.
  • the HTTP server of the repeater 1001 can acquire and set the setting information of the repeater itself by calling the setting CGI program. In this way, the personal computer 1003 can make various settings for the repeater 1001. With the functions of the HTTP server and browser (HTTP client), even a repeater 1001 having only a poor input device can perform complicated settings.
  • the tablet terminal 1008 that is an electronic device communicates with the repeater 1001 via the wireless broadband router 1002.
  • the tablet terminal 1008 is connected to the wireless broadband router 1002 by WiFi.
  • the tablet terminal 1008 may be connected to the wireless broadband router 1002 by Ethernet.
  • the tablet terminal 1008 can display various types of power consumption.
  • the tablet terminal 1008 can display the power consumption of each household appliance, for example.
  • ZigBee which is one of short-range wireless communication standards for home appliances, is used as the network Z.
  • FIG. 2 is a diagram showing the appearance of the repeater 1001.
  • FIG. 2A is a perspective view of the repeater 1001.
  • FIG. 2B is a side view of the repeater 1001.
  • FIG. 2C is an enlarged view of a main part of the other side surface of the repeater 1001.
  • the repeater 1001 includes a light emitting unit 1103 and an antenna 1107.
  • the light emitting unit 1103 includes three LEDs (Light Emitting Diodes) 1103a, 1103b, and 1103c for displaying the operation state of the repeater 1001 and the like.
  • the LED 1103a is a light emitting element (power LED) for indicating whether the repeater 1001 is turned on or off.
  • the LED 1103b is a light emitting element (tap LED) for displaying a communication state with the tap 1004.
  • the LED 1103 c is a light emitting element (router LED) for displaying a communication state with the wireless broadband router 1002.
  • Antenna 1107 is used to communicate with each tap 1004a, 1004b, 1004c.
  • repeater 1001 further includes push button 1108 on the surface opposite to the surface on which light emitting unit 1103 is provided.
  • the push button 1108 is a button for changing the repeater 1001 to the join permission state (join mode) or the leave mode.
  • repeater 1001 further includes slide switch 1109 on a surface different from the surface on which light emitting unit 1103 is provided and the surface on which push button 1108 is provided.
  • the slide switch 1109 slides by a user operation.
  • the slide switch 1109 can take any one of a JOIN position, a NOP (No Operation) position, and a LEAVE position. Note that the slide switch 1109 is used to select either the join permission state or the leave mode for the repeater when the push button 1108 is pressed.
  • the slide switch 1109 is set to the NOP position during normal use.
  • FIG. 3 is a block diagram of the repeater 1001.
  • repeater 1001 includes a control unit 1101, a light emitting unit 1103, a high-speed communication interface unit 1104, a power supply unit 1105, a wireless RF (Radio Frequency) built-in communication controller unit 1106, and an antenna 1107. , A push button 1108, a slide switch 1109, and a reset switch (not shown).
  • control unit 1101 a light emitting unit 1103, a high-speed communication interface unit 1104, a power supply unit 1105, a wireless RF (Radio Frequency) built-in communication controller unit 1106, and an antenna 1107.
  • a push button 1108, a slide switch 1109, and a reset switch (not shown).
  • the wireless RF built-in communication controller unit 1106 includes a CPU (Central Processing Unit) 1161, a ROM (Read Only Memory) 1162, a RAM (Random Access Memory) 1163, a GPIO (General Purpose Input / Output) 1164, and a wireless RF unit. 1165 and a UART (Universal Asynchronous Receiver Transmitter) 1166 for communicating with the control unit 1101.
  • CPU Central Processing Unit
  • ROM Read Only Memory
  • RAM Random Access Memory
  • GPIO General Purpose Input / Output
  • UART Universal Asynchronous Receiver Transmitter
  • the wireless RF built-in communication controller unit 1106 will be described as operating as a ZigBee coordinator. As another embodiment, the wireless RF built-in communication controller unit 1106 may be operated as a ZigBee router. In that case, it is set so that it can always be received from other communication devices existing on the network Z.
  • the ROM 1162, the RAM 1163, the UART 1166, the GPIO 1164, and the wireless RF unit 1165 are connected to the CPU 1161, respectively.
  • the wireless RF built-in communication controller unit 1106 is connected to the antenna 1107.
  • the wireless RF built-in communication controller unit 1106 controls communication with communication devices existing on the network Z.
  • the ROM 1162 is generally composed of NVRAM.
  • the control unit 1101 has a high-performance CPU compared to the CPU 1161, and has abundant memory. With this configuration, the repeater 1001 can realize advanced information processing.
  • the high-speed communication interface unit 1104 is an interface for performing communication with the wireless broadband router 1002 using Ethernet or WiFi.
  • the power supply unit 1105 supplies power to the control unit 1101 and the wireless RF built-in communication controller unit 1106.
  • the control unit 1101 is connected to the light emitting unit 1103, the high-speed communication interface unit 1104, the power supply unit 1105, the wireless RF built-in communication controller unit 1106, the push button 1108, and the slide switch 1109.
  • the control unit 1101 controls the overall operation of the repeater 1001.
  • the control unit 1101 accepts inputs from the push button 1108 and the slide switch 1109.
  • the control unit 1101 issues an output instruction to the light emitting unit 1103.
  • the user slides the slide switch 1109 from the NOP position to the JOIN position. Thereafter, the user presses the push button 1108. As a result, the repeater 1001 enters the join permission state for a predetermined time (for example, 60 seconds). During this time, the control unit 1101 causes the light emitting unit 1103 to emit light in a predetermined state. Then, when the repeater 1001 is in the join permission join permitted state, the user plugs the tap 1004 into an outlet, whereby the repeater 1001 and the tap 1004 are paired.
  • a predetermined time for example, 60 seconds.
  • the control unit 1101 causes the light emitting unit 1103 to emit light in a predetermined state.
  • the user plugs the tap 1004 into an outlet, whereby the repeater 1001 and the tap 1004 are paired.
  • FIG. 4 is a perspective view of the tap 1004.
  • the tap 1004 includes a plug insertion socket 2101, a plug 2102, an LED 2105, and a setting button 2106.
  • the user inserts the power plug of the home appliance into the socket 2101 and inserts the plug 2102 into an outlet installed in the house (see FIG. 1).
  • the shape of the socket 2101 is determined according to the shape of the power plug of the home appliance to be connected.
  • FIG. 5 is a diagram showing the hardware configuration of the tap 1004.
  • tap 1004 includes socket 2101, plug 2102, shunt resistor 2103, power supply unit 2104, LED 2105, setting button 2106, antenna 2107, power sensor unit 2110, and wireless RF built-in.
  • a communication controller unit 2120, a wiring 2131, a wiring 2132, and a wiring 2133 are provided.
  • the power sensor unit 2110 includes a voltage input ADC unit 2111, a current input ADC unit 2112, a multiplier 2113, and a digital / frequency conversion unit 2114.
  • the wireless RF built-in communication controller unit 2120 includes a CPU 2121, a ROM 2122, a RAM 2123, a GPIO 2124, and a wireless RF unit 2125.
  • the wiring 2132 and the wiring 2133 are connected by a shunt resistor 2103.
  • the shunt resistor 2103 is a very small (several hundred micro ohms) resistor used for measuring current.
  • the socket 2101 and the plug 2102 are connected by wirings 2131 to 2133 and a shunt resistor 2103.
  • the wiring 2131 is connected to one terminal of the plug 2102 and one terminal of the socket 2101.
  • the wiring 2132 is connected to the other terminal of the plug 2102 and one end of the shunt resistor 2103.
  • the wiring 2133 is connected to the other terminal of the socket 2101 and the other end of the shunt resistor 2103.
  • the power supply unit 2104 is connected to the wiring 2132.
  • the power supply unit 2104 converts alternating current into direct current.
  • the power supply unit 2104 gives the DC power obtained by the conversion to the power sensor unit 2110 and the wireless RF built-in communication controller unit 2120.
  • the voltage input ADC unit 2111 is connected to the wiring 2131 and the wiring 2132.
  • the voltage input ADC unit 2111 outputs the voltage (potential difference) between the wiring 2131 and the wiring 2132 to the multiplier 2113 as a digital signal.
  • the current input ADC unit 2112 is connected to the wiring 2132 and the wiring 2133.
  • the current input ADC unit 2112 outputs the current value of the current flowing through the shunt resistor 2103 to the multiplier 2113 as a digital signal.
  • the multiplier 2113 multiplies the output from the voltage input ADC unit 2111 and the output from the current input ADC unit 2112, and outputs a digital signal obtained by the multiplication to the digital / frequency conversion unit 2114.
  • the digital / frequency converter 2114 converts the input digital signal into a frequency signal.
  • the digital / frequency conversion unit 2114 outputs the frequency signal obtained by the conversion to the GPIO of the wireless RF built-in communication controller unit 2120.
  • the CPU 2121 performs data conversion on the frequency signal acquired from GPIO.
  • the wireless RF unit 2125 transmits a signal obtained by data conversion to the repeater 1001 using the antenna 2107.
  • the ROM 2122 stores programs executed by the CPU 2121.
  • the ROM 2122 is generally composed of NVRAM.
  • LED 2105 represents the data processing state of the tap 1004 by a color that blinks and / or lights up.
  • a setting button 2106 is used for initial setting of the tap 1004 by the user.
  • the wireless RF built-in communication controller unit 2120 will be described as operating as a router.
  • FIG. 6 is a diagram illustrating a hardware configuration of the tablet terminal 1008.
  • tablet terminal 1008 includes a CPU 4010, a touch screen 4020, a clock 4030, a memory 4040, a button 4050, a communication interface 4060, and a speaker 4070.
  • the touch screen 4020 includes a display 4021 and a touch panel (tablet) 4022, and the touch panel 4022 is laid on the surface of the display 4021.
  • the tablet terminal 1008 may not include the touch panel 4022.
  • the memory 4040 is realized by various types of RAM, ROM, flash memory, hard disk, and the like.
  • the memory 4040 stores an OS, various control programs executed by the CPU 4010, and various data tables such as a table read by the CPU 4010.
  • an application for setting (resetting) the tap 1004 is stored in a flash memory that is a nonvolatile memory in the memory 4040.
  • the application sets the tap 1004 in response to a request from the user.
  • the CPU 4010 executes various kinds of information processing by executing various programs stored in the memory 4040.
  • the program here includes not only a program directly executable by the CPU but also a program in a source program format, a compressed program, an encrypted program, and the like.
  • the display 4021 displays the power consumption of each of the home appliances 1005 to 1007 by being controlled by the CPU 4010, for example.
  • the touch panel 4022 detects a touch operation with a user's finger and inputs touch coordinates or the like to the CPU 4010.
  • the CPU 4010 receives a command from the user via the touch panel 4022.
  • the button 4050 is disposed on the surface of the tablet terminal 1008.
  • a plurality of buttons such as a determination key, a direction key, and a numeric keypad may be arranged on the tablet terminal 1008.
  • the button 4050 receives a command from the user.
  • a button 4050 inputs a command from the user to the CPU 4010.
  • the communication interface 4060 communicates with the repeater 1001 via the wireless broadband router 1002 under the control of the CPU 4010. As described above, the communication interface 4060 communicates with the wireless broadband router 1002 by WiFi, for example.
  • Speaker 4070 outputs sound based on a command from CPU 4010.
  • the CPU 4010 causes the speaker 4070 to output sound based on the sound data.
  • the clock 4030 inputs the current date and time to the CPU 4010 based on a command from the CPU 4010.
  • the CPU 4010 executes various kinds of information processing by executing various programs stored in the memory 4040.
  • the processing in the tablet terminal 1008 is realized by each hardware and software executed by the CPU 4010.
  • Such software may be stored in the memory 4040 in advance.
  • the software may be stored in a storage medium and distributed as a program product.
  • the software may be provided as a program product that can be downloaded by an information provider connected to the so-called Internet.
  • Such software is read from the storage medium by using a reading device (not shown) or downloaded by using the communication interface 4060 and temporarily stored in the memory 4040.
  • the CPU 4010 executes the program after storing it in the memory 4040 in the form of a program that can execute the software.
  • CD-ROM Compact Disc-Read Only Memory
  • DVD-ROM Digital Versatile Disk-Read Only Memory
  • USB Universal Serial Bus
  • memory card memory card
  • FD Flexible Disk
  • hard disk Magnetic tape, cassette tape, MO (Magnetic Optical Disc), MD (Mini Disc), IC (Integrated Circuit) card (excluding memory card), optical card, mask ROM, EPROM, EEPROM (Electronically Erasable Programmable Read-Only Memory) ) And the like (non-temporary medium) for storing the program in a nonvolatile manner.
  • the program here includes not only a program directly executable by the CPU but also a program in a source program format, a compressed program, an encrypted program, and the like.
  • FIG. 7 is a diagram for explaining a software structure in the tap 1004 and the repeater 1001.
  • the software structure of tap 1004 includes a ZigBee application 3401 and a ZigBee protocol stack 3402.
  • the ZigBee application 3401 acquires information on power consumption from a power measurement microcomputer (not shown) and converts the information into a predetermined format.
  • the ZigBee application 3401 voluntarily transmits information regarding power consumption in response to an attribute read request from another ZigBee node or according to a set report condition.
  • the wireless RF built-in communication controller unit 1106 (local node) of the repeater 1001 includes a ZigBee application 3111, a ZigBee protocol stack 3112, a UART 1166, and an associate device list 3110.
  • the ZigBee application 3111 receives information related to the power consumption described above from the tap 1004.
  • the UART 1166 is an asynchronous transmission / reception interface for communicating with the control unit 1101.
  • the ZigBee protocol stack 3112 registers information on the device associated with the local node in the associate device list 3110. Since the associate device list 3110 is stored in the NVRAM, information is not lost even if the power is turned off and then on again.
  • the ZigBee manager 3121 reads the associate device list 3110 and updates the ZigBee node management information 3126.
  • the control unit 1101 (see FIG. 3) of the repeater 1001 includes a ZigBee manager 3121, a ZigBee monitor library 3122, a UART 3123, an LED & switch control 3124, and a UDP / IP (User Datagram Protocol / Internet Protocol) port (port number is Fixed), Ethernet 3125, and ZigBee node management information 3126.
  • the ZigBee manager 3121 is one of applications stored in the control unit 1101.
  • a tap information collection application for collecting information on the tap 1004
  • an HTTP server for setting a repeater from an external HTTP client, and called from the HTTP server.
  • the ZigBee manager 3121 having the role of node information management means manages ZigBee nodes that may exist on the network Z. Specifically, the ZigBee manager 3121 manages a wireless RF built-in communication controller unit 1106 that is a local node and a remote node (ZigBee node such as the tap 1004) that can communicate with the local node.
  • a wireless RF built-in communication controller unit 1106 that is a local node and a remote node (ZigBee node such as the tap 1004) that can communicate with the local node.
  • the ZigBee manager 3121 which serves as a determination (determination) means for determining (determining) a change in the node, detects a change in the ZigBee node and notifies the other application of the change. To do.
  • the ZigBee manager 3121 obtains general information (IEEE address, short address, MAC capability, logical type, etc.) as the ZigBee node from the local node and the remote node, and also from the local node to the local node. Get a list of devices associated with and current network information (PanID, logical channel, etc.) and manage it as node information.
  • the ZigBee manager 3121 stores the management information of these ZigBee nodes in the ZigBee node management information 3126.
  • FIG. 8 is a diagram conceptually showing one mode of data storage in the ZigBee node management information 3126 managed by the ZigBee manager 3121.
  • ZigBee node management information 3126 includes local node information 1110, the number of nodes 1120, and individual node information 1130.
  • local node refers to a ZigBee module that is internally connected to a repeater.
  • remote node refers to a ZigBee module built in a tap or the like.
  • the local node information 1110 is information unique to the local node and information on the network in which the local node participates.
  • An IEEE address (also called an extended address) is an address assigned to each physical medium in the same way as an Ethernet MAC address, and is guaranteed to be unique worldwide. It is an 8-byte address. Usually unchanged unless it is intentionally changed. Here, the IEEE address of the local node is stored.
  • a short address (also referred to as a network address) is a 2-byte address that guarantees uniqueness in one ZigBee network.
  • the short address is dynamically assigned by the parent (coordinator or router) when the node joins the ZigBee network. Normally, once a short address is assigned, it will not be changed, but there may be an address collision when another new node joins. In that case, the short address is changed to prevent the address collision. There is. Also, if the node joins another ZigBee network, another short address is assigned. In this way, the short address can be changed.
  • the short address of the coordinator is determined to be 0x0000 according to the ZigBee rule. Here, the short address of the local node is stored.
  • the device type is a 1-byte value indicating a ZigBee logical device that can be carried by the local node.
  • ZigBee logical devices include coordinators, routers, and end devices. Each is represented by 1 bit (0x01, 0x02, 0x04), and the logical devices that can be carried by the device are expressed by their logical sum. For example, if a device can be a router or an end device, the device type is “0x06”. Note that which ZigBee logical device is currently operating is indicated by a logical type which will be described later.
  • the device status is a 1-byte value indicating the current status of the local node.
  • the device state represents a state when operating as a ZigBee logical device, for example, a state such as initialization, participation in PAN, activation as a coordinator, and the like.
  • the number of associated devices is a 1-byte value that represents the number of devices associated (associated) with the local node.
  • the short address of the associated device is the short address of each device associated (associated) with the local node.
  • the join permission state is a 1-bit value indicating whether or not the local node can accept a new node.
  • PanID Personal Area Network Identifier
  • PanID is a 2-byte value indicating the identifier of the network in which the local node is currently participating.
  • the logical channel is a 1-byte value representing the current channel of the network in which the local node is participating.
  • the number of nodes 1120 is the total number of local nodes and remote nodes.
  • the wireless RF built-in communication controller unit 1106 included in the repeater 1001 of FIG. 7 corresponds to a local node.
  • the taps 1004a, 1004b, and 1004c in FIG. 1 correspond to remote nodes. Therefore, in the example illustrated in FIG. 1, the number of nodes is “4” (from 1 + 3).
  • the individual node information 1130 is information on the local node and each remote node. There are information obtained from each node and information provided by the ZigBee manager 3121 for management.
  • the node information 1130 includes, for example, an identifier, IEEE address, short address, MAC (Media Access Control) capability, logical type, survival information, power supply information, and the like.
  • the identifier is a 2-byte value given by the ZigBee manager so that the node can be easily identified.
  • the ZigBee manager increments and assigns an identifier each time a new node is found.
  • the identifier has a one-to-one correspondence with the IEEE address. That is, the same identifier is given to nodes having the same IEEE address. Conversely, the IEEE address is uniquely determined from the identifier.
  • the node with identifier 0 is guaranteed to be a local node. Even if a node is removed from the network, the identifier of the node remains. Identifiers are not reused.
  • the MAC capability is a 1-byte value indicating the property held by the node. For example, it indicates whether or not to become a coordinator, physical device type (FFD or RFD), battery power supply or commercial power supply, whether or not reception is possible at idle.
  • FFD physical device type
  • RFD battery power supply
  • commercial power supply whether or not reception is possible at idle.
  • the logical type is a 1-byte value indicating which ZigBee logical device the node currently functions as.
  • the coordinator is 0x00
  • the router is 0x01
  • the end device is 0x02.
  • the ZigBee manager 3121 monitors the LED & switch control 3124. More specifically, the ZigBee manager 3121 has a function of monitoring the input from the push button 1108 and the slide switch 1109 and controlling the pairing function (join permission state) and the leave mode, depending on the state of the repeater. , The light emission of the LED 1103 (more precisely, LED 1103c) is controlled.
  • the ZigBee manager 3121 takes the form of a server, opens a fixed UDP port number, accepts access from other devices, and provides a ZigBee upper layer protocol and a relay discovery protocol.
  • the ZigBee 3122 communicates with the wireless RF built-in communication controller unit 1106 by directly exchanging data with the UART 3123.
  • the monitor library 3122 transmits / receives data to / from the wireless RF built-in communication controller unit 1106 through the UART 3123. Note that commands sent by the monitor library 3122 are for the wireless RF built-in communication controller unit 1106 and for the tap 1004.
  • the ZigBee manager 3121 has a function of detecting a change in the node state when the state of the ZigBee node is changed, and notifying the other application of the change in the node state.
  • FIG. 9 is a diagram for explaining a change in node state detected by the ZigBee manager 3121.
  • changes in the node state detected by ZigBee manager 3121 include the following.
  • -Notification reason 1: “joined” (node joined to network)
  • Notification reason 2: “removed” (node has left the network)
  • -Notification reason 3: "address-changed” (node short address has changed)
  • -Notification reason 4: "powered” (node power is turned on)
  • Notification reason 5: “button-pressed” (node button pressed)
  • Notification reason 6: “unplugged” (node has been powered off)
  • the ZigBee manager 3121 detects that the node state has changed, and notifies other applications (such as the UI application 3801 on the tablet terminal 1008).
  • the reason for notification at that time is indicated by 1 to 6.
  • the application can be reflected in the operation by receiving the notification of the no
  • the UI application 3801 receives a notification indicating that the node has joined the network, and displays a notice pop-up screen (see FIG. 34). Can do. Also, when the node is powered on (in the case of notification reason 4), the UI application 3801 may receive a notification indicating that the node is powered on and display that the tap has been selected. Yes (see FIG. 36). Furthermore, the UI application 3801 can reset the report condition when the power of the node is turned on.
  • the UI application 3801 may receive a notification indicating that the power of the node is turned on and display that the tap has been selected. Yes (see FIG. 36). Note that it is difficult for the ZigBee manager 3121 to immediately detect that the node is powered off (power supply to the node is stopped).
  • the control structure of the tap 1004, the control structure of the repeater 1001 (ZigBee manager), and the control structure of the tablet terminal 1008 (UI application 3801) will be described later.
  • FIG. 10 is a diagram for explaining a software structure in the tablet terminal 1008.
  • a tablet terminal 1008 includes a UI (User Interface) application 3801, a device control library 3802, a UDP / IP port (port number may be arbitrary) 3803, a WiFi 3804, and a repeater discovery library 3805.
  • the UI application 3801 is an application for displaying a UI on the display 4021 of the tablet terminal 1008.
  • the device control library 3802 is a library used for controlling the repeater 1001 and the like, the tap 1004, and other communication devices.
  • the repeater discovery library 3805 is a library for discovering the repeater 1001.
  • the UI application 3801 calls a repeater discovery library 3805 to find a repeater, and further calls a device control library 3802 to control a communication device such as the tap 1004.
  • the repeater discovery library 3805 broadcasts a packet predetermined by the repeater discovery protocol.
  • the destination IP address is set to a broadcast address such as 255.255.255.255 (or a predetermined multicast address).
  • the destination UDP port is set to a port number predetermined by the repeater discovery protocol.
  • the ZigBee manager 3121 of the repeater in the same LAN (Local Area Network) segment can receive the broadcast packet, it returns a response.
  • the response packet includes the IP address and MAC address of the repeater.
  • the repeater discovery library 3805 receives a response from the repeater in the same LAN (Local Area Network) segment.
  • the repeater discovery library 3805 acquires the IP address and MAC address of the repeater included in the response. Thereby, the repeater discovery library 3805 can discover a repeater.
  • the UI application 3801 displays the acquired information (IP address and MAC address) for all the repeaters found on the display 4021 and allows the user to select one.
  • the UI application 3801 designates the IP address of the repeater selected by the user and calls the device control library 3802.
  • the UI application 3801 performs setting so that power information is transmitted to each tap 1004 as necessary according to the operation of the application.
  • the UI application 3801 performs a setting not to transmit a report from each tap 1004 according to the operation of the application. Specifically, the UI application 3801 is set to transmit power information to each tap 1004 when starting real-time display. When the real-time display is ended, the power information is set not to be transmitted to each tap 1004.
  • ZigBee uses “Configure Reporting” (see Non-Patent Document 1). Or you may set using an attribute write (Write Attributes) command.
  • the tap 1004 stores report conditions in the RAM.
  • the tap 1004 transmits a report such as power information to the repeater 1001 based on the set report condition.
  • the repeater 1001 transmits the report received from the tap 1004 to the tablet terminal 1008.
  • the tablet terminal 1008 displays power information on the display 4021 so that the user can visually recognize the power consumption of the home appliance.
  • FIG. 11 is an image diagram for explaining real-time display.
  • UI application 3801 displays power consumption when the operation mode of UI application 3801 is switched to an operation mode for performing real-time display (hereinafter referred to as “real-time display mode”) according to a user instruction or the like.
  • the power information is displayed on the display 4021 in real time.
  • the UI application 3801 displays the power consumption of the home appliance connected to the tap selected by the user in real time.
  • the UI application 3801 displays the power consumption of home appliances connected to all taps existing in the network Z.
  • a configuration in which the UI application 3801 transmits a command for setting a report condition such as a report transmission interval to the tap 1004 will be described.
  • a command for the tap 1004 to start transmission of a report is referred to as a “report start command”
  • a command for the tap 1004 to end transmission of a report is referred to as a “report end command”.
  • FIG. 12 is a sequence chart in the network Z.
  • tablet terminal 1008 changes the operation mode from the non-real time display mode to the real time display mode.
  • the tablet terminal 1008 transmits a report start command to the repeater 1001.
  • repeater 1001 relays the received report start command and transmits the report start command to tap 1004.
  • the tap 1004 sets report conditions based on the received report start command. It is assumed that the report condition includes such a content that reports are transmitted at a constant time interval t0 (for example, every 5 seconds).
  • the tap 1004 transmits a report at a constant time interval t0.
  • the repeater 1001 transfers (relays) the report sent from the tap 1004 to the tablet terminal 1008. Thereby, the tablet terminal 1008 can perform real-time display.
  • sequence SQ16 the power supply to the tap 1004 is resumed, for example, when the tap 1004 is plugged into the outlet again.
  • tap 1004 transmits (transmits) a predetermined signal.
  • the tap 1004 broadcasts a first signal “Device_annce” (hereinafter referred to as a device annance) defined in the ZigBee specification as a predetermined signal.
  • the device ounce is a packet that is transmitted when the network joins or rejoins, or when an address collision occurs and the address is changed.
  • a device ance is transmitted even when a paired tap starts to supply power.
  • the tablet terminal 1008 transmits a report start command to the repeater 1001.
  • repeater 1001 relays the received report start command and transmits the report start command to tap 1004.
  • tap 1004 resets the report condition based on the report start command. As described above, the tablet terminal 1008 resets the report condition for the tap 1004 by receiving the notification of the node state change from the repeater 1001.
  • the tap 1004 transmits a report at a constant time interval t0.
  • the repeater 1001 transfers (relays) the report sent from the tap 1004 to the tablet terminal 1008. Thereby, the tablet terminal 1008 can restart the real-time display.
  • FIG. 13 is a flowchart illustrating processing after power-on on the tap side according to the embodiment of the present invention.
  • the processing is mainly processing in the CPU 2121.
  • CPU 2121 when power is turned on, CPU 2121 first restores configuration information stored in NVRAM (step S102).
  • step S104 it is determined whether or not the initialization flag included in the configuration information is set.
  • step S104 If NO is determined in step S104, the process proceeds to step S106. If YES is determined in step S104, a process for returning the configuration information and network information written in the NVRAM to the factory default values is executed (step S118).
  • step S106 the network information stored in the NVRAM is restored.
  • step S108 it is determined whether there is significant data in the network information.
  • step S108 If it is determined YES in step S108, it waits (waits) for a random time (step S120). Then, the device announcement is transmitted by broadcasting (step S124). When power of a plurality of taps is turned on all at once by waiting for a random time, it can be expected to prevent collision by shifting the timing of broadcast transmission of device ances.
  • step S110 a network that is permitted to join is found and an association request is transmitted (join process) (step S110).
  • the tap 1004 transmits a beacon request and receives a beacon.
  • the beacon is transmitted from the repeater 1001 (which is a coordinator) and another tap (which is a router).
  • the tap 1004 analyzes the received beacon, selects one of the networks that are permitted to join, and transmits an association request (NLME-JOIN.Request) (attempts joining).
  • the processing on the repeater 1001 side has been described with reference to FIG. 22 and is mainly processing in the protocol stack 3112 of the coordinator unit.
  • the tap 1004 repeats normal blinking of the LED.
  • step S112 it is determined whether or not an association response (success) has been received.
  • the obtained network information is written in NVRAM (step S122).
  • the network information includes PanID, Extended PanID, logical channel, and the like.
  • a short address assigned to the tap 1004 is also included.
  • step S124 the device announcement is transmitted by broadcasting (step S124). Then, the process proceeds to the joined state (step S126). Note that the LED is turned off when the join is completed.
  • step S112 it is then determined in step S114 whether 60 seconds have elapsed since the start of the join process.
  • step S114 If it is determined NO in step S114, the process returns to step S110 and the join process is continued.
  • step S116 the process shifts to a hold state (step S116).
  • the hold state is a state in which the mobile terminal stays without joining the network after resetting itself. At this time, no packet transmission / reception is performed. At this time, the LED blinks at high speed. As will be described later, when the setting button is pressed in the hold state, the hold state is released and the process returns to step S110.
  • FIG. 14 is a diagram illustrating processing after pressing the setting button on the tap side according to the embodiment of the present invention.
  • the processing is mainly processing in the CPU 2121.
  • step S202 it is determined whether or not the hold state is set.
  • step S202 If YES is determined in step S202, the hold state is released and the join process is restarted (step S206). That is, the process proceeds to step S110 in FIG.
  • step S202 it is then determined in step S204 whether the join has been completed.
  • step S204 the process is terminated as it is (the process after the button is pressed is terminated).
  • FIG. 15 is a flowchart of the address collision detection process performed when pairing is completed. Specifically, FIG. 15 shows processing performed in the case of ZigBeePRO.
  • CPU 2121 (see FIG. 5) of tap 1004 detects whether or not a short address has collided. If NO in step S302, the CPU 2121 ends the address collision detection process. If YES in step S302, CPU 2121 changes the short address of tap 1004 in step S304.
  • the CPU 2121 (more specifically, the ZigBee protocol stack 3402 (see FIG. 7)) transmits a device announcement by broadcast.
  • FIG. 16 is a flowchart of packet reception processing that is repeatedly performed when pairing is completed.
  • CPU 2121 determines whether a report start command has been received or not. If YES in step S402, CPU 2121 transmits a report under the conditions specified in step S410, and ends the packet reception process. If NO in step S402, CPU 2121 advances the process to step S404.
  • step S404 the CPU 2121 determines whether a report stop command has been received. If YES in step S404, CPU 2121 stops report transmission in step S412. If NO in step S404, CPU 2121 ends the packet reception process.
  • FIG. 17 is a flowchart illustrating packet reception processing on the tap side according to the embodiment of the present invention.
  • step S406 it is determined whether an initialization flag setting command has been received.
  • step S406 If YES is determined in step S406, an initialization flag is set (written in NVRAM configuration information) (step S414).
  • step S416 a response to the setting command is transmitted (step S416). Then, the process ends (packet reception process ends).
  • step S406 it is subsequently determined whether a delay reset command is received in step S408.
  • step S408 If it is determined as YES in step S408, a timer reservation is made so as to reset after the designated time has elapsed (step S418).
  • step S420 a response to the reset command is transmitted (step S420). Thereafter, when the timer expires, the tap 1004 itself is reset (that is, restarted).
  • step S408 the process ends (packet reception process ends).
  • This processing is reset after the timer expires and the initialization flag is set, so that the configuration information and the network information written in the NVRAM of the tap 1004 are returned to the factory default values.
  • the leave processing when the push button 1108 of the repeater 1001 is pressed and the slide switch 1109 of the repeater 1001 is at the LEAVE position, the leave mode is started.
  • the setting button of the tap 1004 that has been joined is pressed, the device announcement is transmitted from the tap 1004 to the repeater 1001 by unicast.
  • the repeater 1001 receives the device answer by unicast and starts the leave process by designating the address of the device that is the source of the device answer.
  • an initialization flag setting command is transmitted from the repeater 1001 to the designated device.
  • the specified device sets an initialization flag that is a part of the configuration information in accordance with the command.
  • the repeater 1001 transmits a delay reset command to the designated device.
  • the specified device receives a delayed reset command and resets after the timer expires.
  • a process for returning the configuration information and the network information written in the NVRAM to the initial values at the time of factory shipment is executed according to the initialization flag which is a part of the configuration information.
  • the designated device transmits a response indicating that the delay reset command has been received to the repeater 1001.
  • the repeater 1001 deletes the device information related to the designated device from the associated device list.
  • the repeater 1001 specifies the tap 1004 to be subjected to the leave process according to the device answer from the tap 1004. Then, repeater 1001 transmits an initialization flag setting command, and when there is a response, transmits a delay reset command. With this flow, the network information and the configuration information of the tap 1004 are reset to the factory settings. Further, when there is a response to the delay reset command from the tap 1004, the repeater 1001 deletes setting information such as network information and configuration information necessary for communication connection in the network. Therefore, check the exchange of information so that there is no flaw between the control device and each tap, and if it is confirmed, the setting information necessary for communication connection is deleted between the tap and the repeater. Therefore, it is possible to eliminate the possibility that information is left in one of the devices and unnecessary traffic is generated on the network.
  • each tap can be detached from the network so that there is no wrinkle between the control device and each tap by a simple operation of starting the leave mode in the repeater 1001 and pressing the tap setting button. It is.
  • step S208 of FIG. 14 the device announcement is transmitted by unicast (to the coordinator). However, there is no particular design intention in transmitting the device announcement in unicast. In addition to the device announcement, some packet (a packet that explicitly or implicitly indicates that the button has been pressed) may be transmitted. In this case, FIG. 28 has a configuration corresponding thereto. Note that the reason for transmitting a device answer is that, in ZigBee, it is common to transmit a device answer by broadcast when some state change occurs in a node.
  • FIG. 18 is a flowchart illustrating processing in the case of a long press of the setting button in tap 1004 according to the embodiment of the present invention.
  • the processing is mainly processing in the CPU 2121.
  • the other node that has received the signal deletes information regarding the node that has declared the withdrawal.
  • an initialization flag is set (step S504). Specifically, it is written in the configuration information of NVRAM.
  • a timer reservation is made so as to reset after a predetermined time (step S506).
  • the predetermined time is 200 ms as an example.
  • the process ends (the process ends after the setting button is pressed (long press)).
  • an initialization flag is set and a reset command is accepted, and the tap 1004 is reset and set to the initial state at the time of factory shipment.
  • Processing is executed.
  • a disconnection declaration signal for requesting the tap 1004 to leave the network is transmitted to the repeater 1001.
  • FIG. 19 is a flowchart illustrating a process when a network leave declaration signal transmitted from tap 1004 according to the embodiment of the present invention is received.
  • repeater 1001 determines whether or not a disconnection declaration signal from tap 1004 has been received (step S510).
  • step S510 when a disconnection declaration signal is received from the tap 1004 (YES in step S510), information related to the device (tap) that has made the network disconnection declaration is deleted from the associate device list (step S512).
  • step S510 if a disconnection declaration signal from tap 1004 is not received (NO in step S510), the process ends (reception process ends).
  • each tap can be easily detached from the network so that there is no wrinkle between the control device and each tap.
  • FIG. 20 is a flowchart illustrating a push button pressing process of repeater 1001 according to the embodiment of the present invention. This processing is performed by the ZigBee manager 3121 (control unit 1101) of the repeater 1001.
  • control unit 1101 first determines in step S602 whether or not push button 1108 has been pressed.
  • step S602 If NO is determined in step S602, the process is terminated (end of push button depression process).
  • step S604 If it is determined YES in step S602, it is determined in step S604 which position the slide switch 1109 is located.
  • step S604 If it is determined in step S604 that the slide switch 1109 is positioned at the JOIN position, join mode processing is performed (step S606). Details of the join mode process will be described later.
  • step S604 If it is determined in step S604 that the slide switch 1109 is positioned at the NOP position, nothing is done (step S608).
  • step S610 If it is determined in step S604 that the slide switch 1109 is positioned at the LEAVE position, leave mode processing is performed (step S610). Details of the leave mode processing will be described later.
  • FIG. 21 is a flowchart illustrating join mode processing of repeater 1001 according to the embodiment of the present invention. This processing is performed by the ZigBee manager 3121 (control unit 1101) of the repeater 1001.
  • control unit 1101 notifies join permission 60-second command to wireless RF built-in communication controller unit 1106, which is a local node (step S700).
  • the join permission 60-second command means setting the local node to the join-permitted state for 60 seconds.
  • step S702 it is determined whether the notification is successful. Specifically, it is determined whether the wireless RF built-in communication controller unit 1106 has received the notification normally. If YES is determined in step S702, the repeater 1001 is set to the join mode (step S704). In this case, the LED of the repeater 1001 is normally blinked to notify the user of the mode change. Details of the signal reception processing from the remote node when the repeater 1001 is set to the join mode will be described later.
  • step S706 it is determined whether 60 seconds have elapsed or whether the position of the slide switch has deviated from the JOIN position. If NO is determined in step S706, the state is maintained. That is, the join permission state is maintained.
  • step S706 a join prohibition instruction is notified to the local node (step S708).
  • the control unit 1101 notifies a join prohibition instruction to the wireless RF built-in communication controller unit 1106 which is a local node.
  • the repeater 1001 is set to the normal mode (step S710).
  • the LED of the repeater 1001 is turned off from the normal blinking to notify the user of the mode change.
  • the control unit 1101 sets the mode regardless of whether the notification of the join prohibition state (NLME-PERMIT-JOINING.Request) to the wireless RF built-in communication controller unit 1106 has succeeded or failed.
  • step S702 the process ends (join mode process ends).
  • FIG. 22 is a flowchart illustrating reception processing of a signal from a remote node in the local node of repeater 1001 according to the embodiment of the present invention. This processing is performed by the ZigBee protocol stack 3112 (wireless RF built-in communication controller unit 1106) of the repeater 1001.
  • the wireless RF built-in communication controller unit 1106 determines whether or not a beacon request has been received in step S730. And if it is judged as YES in Step S730, a beacon is transmitted (Step S732). And the reception process regarding a beacon request is complete
  • step S734 it is determined in step S734 whether or not an association request has been received.
  • step S734 it is determined whether or not the join is permitted in step S736.
  • step S738 it is determined in step S738 whether it can be added to the associate device list. For example, when it is added, it is determined whether or not the number that can be registered in the list is exceeded. If it does not exceed, it is determined that it can be added.
  • step S738 If it is determined YES in step S738, a short address is assigned to the new device (step S740).
  • device information of the new device is added to the associate device list (step S742).
  • IEEE address, short address, node relationship, etc. are registered as device information.
  • an association response (success) is transmitted to the transmission source of the association request (step S744).
  • the association response (success) includes the assigned short address.
  • step S734 NO is determined in step S736, or NO is determined in step S738, the process ends (end of the reception process).
  • FIG. 23 is a flowchart illustrating leave mode processing of repeater 1001 according to the embodiment of the present invention. This processing is performed by the ZigBee manager 3121 (control unit 1101) of the repeater 1001.
  • the control unit 1101 sets the repeater 1001 to the leave mode (step S720).
  • the LED of the repeater 1001 is blinked at high speed to notify the user of the mode change.
  • the repeater 1001 receives a device answer, the repeater 1001 starts a device answer reception process as described later. Note that “setting the repeater to the leave mode” is a closed story inside the ZigBee manager 3121. It does not issue any commands to the local node.
  • step S722 it is determined whether 60 seconds have passed or the position of the slide switch has deviated from the LEAVE position.
  • step S722 If NO is determined in step S722, the leave mode is maintained. If YES is determined in step S722, the repeater 1001 is set to the normal mode (step S724). In this case, the LED of the repeater 1001 is turned off from the high-speed blinking to notify the user of the mode change.
  • FIG. 24 is a flowchart of the all surviving node PING response confirmation process performed periodically (for example, every 3 minutes). Note that the initial value of the node power supply information (see FIG. 8) is “Powered”. Specifically, PING is IEEE_addr_req. Specify the destination address with a short address.
  • step S800 the ZigBee manager 3121 of the repeater 1001 transmits a PING to the node whose survival information is alive among the nodes managed by the ZigBee manager 3121.
  • step S802 if there is a PING response from the node, the ZigBee manager 3121 updates the “last received time” in the node information managed by the ZigBee manager 3121.
  • step S806 the ZigBee manager 3121 determines whether the power supply information of the node is set to “unplugged”.
  • step S806 the ZigBee manager 3121 notifies the node state change in step S808.
  • the reason for notification is “node power is turned on” (see FIG. 9).
  • step S810 the ZigBee manager 3121 sets the power information of the node to “powered”.
  • step S806 the power of the ZigBee manager 3121 is set to “powered” in the surviving node of the node information managed by the ZigBee manager 3121 in step S804, and “last received time” Determines whether there is a node before the time obtained by subtracting the predetermined period from the current time.
  • the predetermined period is, for example, 10 minutes.
  • the ZigBee manager 3121 periodically sends a PING, and if there is a node that has not returned a response for a while, the ZigBee manager 3121 determines that the node has been powered off (power supply stopped).
  • step S804 the ZigBee manager 3121 ends the all surviving node PING response confirmation processing. If YES in step S804, the ZigBee manager 3121 notifies the node state change in step S812. The reason for the notification is “the node has been powered off” (see FIG. 9). In step S814, the ZigBee manager 3121 sets the power supply information of the node to “unplugged”.
  • FIG. 25 is a flowchart of the device answer reception process performed when the device answer is received.
  • FIG. 26 is a diagram showing an operation to be performed when the ZigBee manager 3121 receives a device answer. The flowchart of FIG. 25 is based on the contents of the diagram shown in FIG.
  • a ZigBee node when a ZigBee node receives a packet, it can distinguish whether the packet is received by unicast or broadcast. Further, when analyzing the payload of the device ance, the IEEE address, the short address, and the MAC capability of the source node can be found.
  • step S900 when ZigBee manager 3121 receives the device answer, it refers to the node management information and refers to “the node (meaning the source node of the device answer) does not exist or is missing. It is determined whether or not the node is alive but the short address is different.
  • step S900 determines YES in step S900, it performs an associate search in step S908. Details of the associate search will be described with reference to FIG. If the ZigBee manager 3121 determines NO in step S900, in step S902, “the device announce is received by unicast and the node is alive in the node management information, and the short address is not changed. In addition, it is determined whether or not the repeater 1001 is not in the leave mode.
  • step S902 the ZigBee manager 3121 notifies the node state change in step S910.
  • the reason for the notification is “the node button has been pressed” (see FIG. 9).
  • the ZigBee manager 3121 determines in step S904 that “the device annunciation is received by broadcast, the node is alive in the node management information, and the short address is not changed. It is determined whether or not.
  • step S904 the ZigBee manager 3121 notifies the node state change in step S912.
  • the reason for notification is “node power is turned on” (see FIG. 9). Thereafter, the ZigBee manager 3121 sets the power information of the node to “powered” in step S913. If NO in step S904, the ZigBee manager 3121 determines in step S906 whether “the device announce is received by unicast and the repeater 1001 is in the leave mode”.
  • the ZigBee manager 3121 designates the source address of the device announcement and executes a leave process in step S914. The details of the leave processing will be described with reference to FIG. In the case of NO at step S906, the ZigBee manager 3121 ends the device announcement reception process.
  • FIG. 27 is a flowchart for the associate search.
  • the associate search is a process performed when the ZigBee manager 3121 detects some change or periodically (for example, every 3 minutes) even if there is no change.
  • the associate device list includes IEEE addresses, short addresses, node relationships, and the like of associated nodes.
  • the ZigBee manager 3121 acquires the associated device list of the local node.
  • the ZigBee manager 3121 compares the acquired associate device list with the node information managed by the ZigBee manager 3121.
  • the ZigBee manager 3121 determines whether a node (including a new node) that is not alive in the node management information has been added. If YES in step S1004, the ZigBee manager 3121 notifies the node state change in step S1012. The reason for notification is “the node joined the network” (see FIG. 9).
  • step S1006 determines in step S1006 whether a surviving node has been deleted in the node management information. If YES in step S1006, the ZigBee manager 3121 notifies the node state change in step S1014. The reason for notification is “the node has left the network” (see FIG. 9).
  • step S1006 determines in step S1008 whether the short address of the surviving node has been changed in the node management information. If YES in step S1008, the ZigBee manager 3121 notifies the node state change in step S1016. The notification reason is “the short address of the node has changed” (see FIG. 9).
  • the ZigBee manager 3121 updates the node management information in step S1010. Specifically, the node information managed by the ZigBee manager 3121 is matched with the associated device list. As one of them, the ZigBee manager 3121 updates the survival information in the node management information. If the join is detected, the survival information of the node is set to live, and if the join is detected, the survival information of the node is set to missing.
  • FIG. 28 is a flowchart illustrating leave processing of repeater 1001 according to the embodiment of the present invention. This processing is performed by the ZigBee manager 3121 (control unit 1101) of the repeater 1001.
  • an initialization flag setting command is transmitted to the designated device (step S1100).
  • the initialization flag refers to a flag that regulates returning to an initialization state (a state at the time of factory shipment or the like).
  • the initialization flag setting command is a command for requesting to set a flag for a part of the configuration information data registered in the tap 1004.
  • the activation process after reset is changed depending on whether or not the flag is set. Specifically, the activation process when the initialization flag is not set is activated in a state where data such as network information registered in the tap 1004 is maintained. On the other hand, the activation process when the initialization flag is set is activated in a state in which data such as network information registered in the tap 1004 is returned to the factory default value.
  • step S1102 it is determined whether a response to the initialization flag setting command has been received.
  • step S1104 a delay reset command is transmitted to the designated device.
  • the delay reset command designates a predetermined delay time (as an example, 200 ms) to secure a processing period for enabling the tap 1004 to return a response to the delay reset command, and resets after the delay has elapsed. This is a command for instructing execution of processing.
  • step S1106 it is determined whether a response to the delayed reset command has been received from the tap 1004 that transmitted the reset command.
  • step S1106 If it is determined as YES in step S1106, information about the designated device is deleted from the associated device list of the local node (step S1108).
  • information on the specified device (IEEE address, short address, node relationship, etc.) is deleted.
  • step S1102 it is unknown whether the instruction 1004 has received the command reliably, so the process is interrupted and the process ends (end of the leave process).
  • step S1106 it is unknown whether the reset instruction has been received by the tap 1004, so the process is interrupted, and the process ends without being deleted from the associated device list ( End of leave processing).
  • a response is not received, it is determined that the tap 1004 has not been left, and information regarding the tap is not deleted from the associated device list of the local node in the repeater 1001.
  • the response is received, it is determined that the tap 1004 has been left, and information regarding the tap is deleted from the associated device list of the local node in the repeater 1001.
  • leave processing can be performed while maintaining cooperation between the repeater 1001 and the tap 1004.
  • Step S1100 it is also possible to transmit the designation as one packet by combining Step S1100 and Step S1104.
  • one packet including both a command for setting the initialization flag and a command for delay resetting is transmitted to the designated device.
  • FIG. 29 is a flowchart showing the processing of the UI application 3801 executed when the real-time display mode is started.
  • the UI application 3801 sends a report start command to all the taps 1004 that are alive in the node management information.
  • the UI application 3801 determines whether a report has been received.
  • step S1206 the UI application 3801 transmits a report start command to the tap again in step S1212. If NO in step S1206, the UI application 3801 determines in step S1208 whether the real-time display mode ends. That is, the UI application 3801 determines whether the tablet terminal 1008 has received an instruction from the user to end the real-time display mode.
  • step S1208 the UI application 3801 transmits a report stop instruction to all the taps alive in the node management information in step S1214. If NO in step S1208, the UI application 3801 advances the process to step S1204.
  • the UI application 3801 ends the real-time display mode after step S1214.
  • FIG. 30 is a functional block diagram illustrating a functional configuration of the tablet terminal 1008.
  • the tablet terminal 1008 includes a resetting unit 4802 that is a resetting unit, an operation mode changing unit 4803, a receiving unit 4804 that is a receiving unit, and a display unit 4805.
  • the operation mode change unit 4803 changes the operation mode based on an instruction from the user.
  • the operation mode changing unit 4803 changes the operation mode of the tablet terminal 1008 from, for example, the non-real time display mode to the real time display mode, or from the real time display mode to the non real time display mode.
  • the receiving unit 4804 receives a report from the tap 1004 via the repeater 1001.
  • Display unit 4805 displays power information based on the received report. That is, the display unit 4805 displays the collected power information.
  • the tablet terminal 1008 communicates with the repeater 1001 that manages the tap 1004. Based on the report condition set by the tablet terminal 1008, the tap 1004 transmits power information representing the power consumption in the home appliance connected to the tap 1004 to the tablet terminal 1008 via the repeater 1001.
  • the report condition is stored in the RAM 2123 that is a volatile memory of the tap 1004.
  • the receiving unit 4804 receives from the repeater 1001 a node state change notification based on the device ance transmitted from the tap 1004 based on the resumption of the power supply after the power supply to the tap 1004 is stopped.
  • the resetting unit 4802 resets the report condition for the tap 1004 via the repeater 1001 based on the acquisition of the node state change notification.
  • the tablet terminal 1008 can shorten the period during which power information is not notified to the tablet terminal 1008 even when power supply to the tap 1004 is stopped. Further, since the tap 1004 only needs to write the report condition to the volatile memory (RAM) every time a report start command is received, the memory of the tap 1004 is more effective than the case where the report condition is written to the nonvolatile memory. It can be used.
  • RAM volatile memory
  • the tablet terminal 1008 resets the report condition for each tap 1004 when the operation mode of the tablet terminal 1008 is the real-time display mode has been described. However, even if the tablet terminal 1008 is not displaying power information, the tablet terminal 1008 is configured to reset the report condition for the tap 1004 if it is collecting power information. May be.
  • the tablet terminal 1008 has the following configuration.
  • the tablet terminal 1008 includes a first operation mode for collecting power information (for example, a real-time display mode) and a second operation mode for collecting power information (for example, a non-real-time display mode).
  • the resetting unit 4802 resets report conditions for the tap 1004 when the tablet terminal 1008 is in the first operation mode.
  • reset unit 4802 resets report conditions for tap 1004 when power information is displayed on display unit 4805 in the first operation mode (that is, in real-time display mode). To do.
  • the tablet terminal 1008 resets the report condition for the tap 1004 only when power information is necessary. For this reason, the tablet terminal 1008 can reduce the amount of traffic in the network Z compared to a configuration in which the report condition is reset when power information is not required.
  • the tablet terminal 1008 stops the transmission of power information to the tap 1004 via the repeater 1001. Thereby, the tablet terminal 1008 can suppress the occurrence of unnecessary traffic in the network Z.
  • FIG. 31 is a functional block diagram showing a functional configuration of repeater 1001.
  • repeater 1001 includes a reception unit 1201, a transmission unit 1202, and a transfer unit 1203. Focusing on one tap 1004, it can be said that each unit 1201 to 1203 of the repeater 1001 is configured to perform the following processing.
  • the receiving unit 1201 receives a report from the tap 1004. In addition, the reception unit 1201 receives a device ance transmitted based on a change in the state of the tap 1004.
  • the transmission unit 1202 transmits the received report to the tablet terminal 1008. In addition, the transmission unit 1202 transmits a node state change notification to the tablet terminal 1008 based on the reception of the device announcement.
  • the transfer unit 1203 transfers the command to the tap 1004 based on the reception of the report start command and the report stop command from the tablet terminal 1008.
  • FIG. 32 is a diagram illustrating a schematic configuration of a network when a tablet terminal is used as a control device of the network Z. Specifically, FIG. 32 is a diagram showing a configuration of a network Z using a tablet terminal 1009 instead of the repeater 1001, the personal computer 1003, and the tablet terminal 1008.
  • network Z includes a tablet terminal 1009, a wireless broadband router 1002, a plurality of taps 1004a, 1004b, 1004c, and a plurality of home appliances (air conditioner 1005, refrigerator 1006, television 1007, etc.).
  • the tablet terminal 1009, the plurality of taps 1004, and the plurality of home appliances 1005 to 1007 constitute a low-speed wireless communication network Z.
  • the tablet terminal 1009 is connected to the wireless broadband router 1002 by high-speed wireless communication such as WiFi.
  • FIG. 33 is a block diagram of the tablet terminal 1009.
  • the tablet terminal 1009 includes a control unit 1901, an operation unit 1902, a display unit 1903, a high-speed communication interface unit 1904, a power supply unit 1905, a low-speed wireless communication module 1906, and an antenna 1907.
  • the operation unit 1902 is an input device such as an operation key or a touch sensor.
  • the display unit 1903 is an output device such as a liquid crystal display.
  • the high-speed communication interface unit 1904 is an interface for performing wireless communication with the wireless broadband router 1002.
  • the power supply unit 1905 supplies power to the control unit 1901 and the low-speed wireless communication module 1906.
  • the control unit 1901 is connected to the operation unit 1902, the display unit 1903, the high-speed communication interface unit 1904, the power supply unit 1905, and the low-speed wireless communication module 1906.
  • a control unit 1901 controls the overall operation of the tablet terminal 1009.
  • the control unit 1901 receives an input from the operation unit 1902.
  • the control unit 1901 issues an output instruction to the display unit 1903.
  • control unit 1901 includes a CPU, a RAM, a ROM, a UART, and a GPIO.
  • the RAM, ROM, UART, and GPIO are each connected to the CPU.
  • the low-speed wireless communication module 1906 is connected to the antenna 1107.
  • the low-speed wireless communication module 1906 controls communication with the power consumption measuring device in the low-speed wireless communication network Z.
  • the low-speed wireless communication module 1906 includes a CPU, RAM, ROM, UART, GPIO, and a wireless RF (Radio Frequency) unit.
  • the RAM, ROM, UART, and GPIO are each connected to the CPU.
  • the tablet terminal 1009 has the above-described configuration, the same effect as the configuration using the repeater 1001, the personal computer 1003, and the tablet terminal 1008 can be obtained.
  • the tap 1004 may include a power switch that allows the user to turn on / off the power supply to the tap 1004.
  • a power switch that allows the user to turn on / off the power supply to the tap 1004.
  • the power switch is in a state where the power supply is stopped (off position) and the power supply to the tap 1004 is stopped, the power switch is in a state where the power supply is restarted (on position). Even when the power supply to the power supply is resumed, the same processing as that in the case where the tap 1004 is inserted and removed from the outlet as described above can be applied.
  • ZigBee has been described as an example of the personal area network, but the personal area network is not limited thereto. As a personal area network, the present invention can also be applied to other communication systems that support multi-hop.
  • the ZigBee manager 3121 detects these node state changes and sends appropriate node state change notifications to other applications.
  • the ZigBee manager 3121 of the repeater 1001 transmits a node state change notification to all clients that have accessed in the past. However, if there is no access from a client for more than 3 hours, the ZigBee manager 3121 determines that the client is no longer used and deletes the client.
  • the UI application 3801 of the tablet terminal 1008 accesses the ZigBee manager 3121. Therefore, the ZigBee manager 3121 remembers that there was an access from the UI application 3801, and transmits a node state change notification to the UI application 3801.
  • FIG. 34 is a diagram for explaining a screen displayed by the UI application 3801 of the tablet terminal 1008 when a new tap joins the network.
  • the UI application 3801 detects that a new tap has joined, and displays a pop-up of awareness. That is, by displaying on the display 4021 that there is a tap that has not been set, the user is prompted to set the tap.
  • the display process is performed when the ZigBee manager 3121 of the repeater 1001 notifies the UI application 3801 of the tablet terminal 1008 of an appropriate node state change (the node has joined the network).
  • FIG. 35 is a diagram for explaining a method of selecting a tap.
  • the present embodiment provides means for that purpose.
  • the device annunciation (broadcast or unicast) is notified from the tap 1004.
  • the ZigBee manager 3121 of the repeater When receiving the device answer, the ZigBee manager 3121 of the repeater notifies another application of an appropriate node state change (node power is turned on or node button is pressed).
  • the UI application 3801 receives the notification of the change in the node state, the UI application 3801 highlights the changed tap 1004 on the tap device setting screen. By the highlight display, the user can easily know which tap 1004 corresponds to which tap on the screen by the UI application 3801.
  • FIG. 36 shows a screen highlighted when a tap is selected.
  • FIG. 36 shows that the second tap (on the same screen) has been selected.
  • FIG. 37 is a diagram showing a screen for associating each tap 1004 with each home appliance. Specifically, FIG. 37 is a diagram illustrating a state after the setting button in FIG. 36 is selected by the user.
  • an input reception screen for selecting a home appliance to be linked is displayed by pressing a setting button for the selected tap 1004.
  • the user can select the household appliance linked
  • the user can select an arbitrary tap on the screen, and as described above, the user can also select the tap by pressing the setting button for the tap (or turning the power on again). it can.
  • the tablet terminal 1008 is described as an example. However, even with the configuration of FIG. 32 using the tablet terminal 1009, processing similar to the above can be performed.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Selective Calling Equipment (AREA)

Abstract

Dans la présente invention, une prise (1004), qui est un module de mesure de consommation de puissance opérant comme un routeur, transmet, via un module relais (1001), à un terminal formant tablette informatique (1008), des données de puissance qui représentent une consommation de puissance d'un appareil à usage domestique connecté, sur la base de conditions de rapport qui sont définies au moyen du terminal formant tablette informatique (1008). Les conditions de rapport sont enregistrées dans la mémoire volatile de la prise (1004). Le terminal formant tablette informatique (1008) reçoit, du module relais (1001), une notification de changement d'état de nœud qui est basée sur une réponse de dispositif transmise par la prise (1004) sur la base du fait que, après avoir interrompu la fourniture de puissance à la prise (1004), la fourniture de puissance a été redémarrée. Le terminal formant tablette informatique (1008) réinitialise les conditions de rapport relativement à la prise (1004), via le module relais (1001), sur la base de l'acquisition de la notification de changement d'état de nœud.
PCT/JP2013/051747 2012-01-27 2013-01-28 Appareil électronique, dispositif de contrôle, système de communication, procédé de définition de condition de notification, procédé de communication, et programme WO2013111898A1 (fr)

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JP2023038566A (ja) 2021-09-07 2023-03-17 キヤノン株式会社 情報処理装置、制御方法、通信制御装置、通信制御方法、及びプログラム

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JP2003078904A (ja) * 2001-08-30 2003-03-14 Kyushu Ten:Kk 遠隔監視システム
JP2009112155A (ja) * 2007-10-31 2009-05-21 Toshiba Corp 遠隔電力制御システムおよび電源タップ
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