WO2015020154A1 - Dispositif de communication, système d'exploitation d'appareil, procédé de communication, et programme - Google Patents

Dispositif de communication, système d'exploitation d'appareil, procédé de communication, et programme Download PDF

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Publication number
WO2015020154A1
WO2015020154A1 PCT/JP2014/070900 JP2014070900W WO2015020154A1 WO 2015020154 A1 WO2015020154 A1 WO 2015020154A1 JP 2014070900 W JP2014070900 W JP 2014070900W WO 2015020154 A1 WO2015020154 A1 WO 2015020154A1
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WIPO (PCT)
Prior art keywords
state
command
data
acquired
communication
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PCT/JP2014/070900
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English (en)
Japanese (ja)
Inventor
矢部　正明
裕信 矢野
雄喜 小川
聡司 峯澤
一郎 丸山
正之 小松
遠藤　聡
香 佐藤
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三菱電機株式会社
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Publication of WO2015020154A1 publication Critical patent/WO2015020154A1/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

Definitions

  • the present invention relates to a communication device, a device operation system, a communication method, and a program.
  • Patent Document 1 In recent years, techniques for operating devices installed in houses and the like via a network have been actively developed. As this type of technology, one that notifies the result of an operation via a network is known (see, for example, Patent Document 1).
  • the terminal device disclosed in Patent Document 1 monitors and controls the operating state of the load device according to the content instructed from the center device via the communication line. This terminal device acquires the operating state of the load device and transmits it to the center device at the end of a certain response time until the load device shifts to the instructed operating state. Thereby, the operation state of the load device is notified to the center device as a result of the operation.
  • the present invention has been made in view of the above circumstances, and an object thereof is to shorten the time until the result of the operation is notified.
  • a communication device of the present invention obtains a command for setting the state of an electrical device from an input device for inputting operation details for the electrical device installed in a house, and the electrical device
  • a transmission unit that transmits a command to an electrical device via a device network to which the is connected, a status acquisition unit that acquires the status of the electrical device to which the command has been transmitted by the transmission unit via the device network, and a status acquisition 1st data transmission which transmits the 1st data regarding the state acquired by the state acquisition part to the presentation apparatus which presents information to a user, when the state acquired by the part is equal to the state set by the command
  • the status acquired by the status acquisition unit before the standby time elapses from the transmission by the transmission unit and the transmission unit is different from the state set by the command ,
  • the first data is transmitted to the presentation device.
  • the second data is transmitted to the presentation device. For this reason, the data regarding this state are transmitted at the timing according to the state of the electrical equipment. Thereby, the time until the result of the operation is notified can be shortened.
  • FIG. It is a figure which shows the structure of the apparatus operation system which concerns on Embodiment 1.
  • FIG. It is a figure which shows the structure of a controller, a server, and an operating terminal.
  • It is a flowchart which shows a server process. It is a figure for demonstrating communication when operation succeeds immediately. It is a figure for demonstrating communication when operation succeeds in time. It is a figure for demonstrating communication when operation fails.
  • FIG. 10 is a flowchart showing controller processing according to the fourth embodiment. It is a figure which shows the structure of the apparatus operating system which concerns on a modification.
  • a device operation system 100 is a system for remotely operating a device installed in a house H1.
  • the device operating system 100 includes an electric device 11 to 14 installed in a house H1, a controller 20 that controls the electric device 11 to 14, and a router 30 that relays communication in the network inside and outside the house H1.
  • the electric devices 11 to 14 and the controller 20 are connected to each other via the device network NW1.
  • the device network NW1 is constructed as a subnetwork in a LAN (Local Area Network). This subnetwork is a network for communicating according to a communication protocol such as ECHONET Lite, for example.
  • Each of the electric devices 11 to 14 and the controller 20 communicate with each other via the device network NW1 by transmitting and receiving signals according to this communication protocol.
  • each of the controller 20 and the router 30 is connected to each other via the communication network NW2.
  • the communication network NW2 is a LAN constructed in the house H1, for example.
  • each of the router 30, the server 40, and the operation terminal 50 is connected to each other via the wide area network NW3.
  • the wide area network NW3 is, for example, the Internet.
  • Each of the controller 20, the server 40, and the operation terminal 50 communicates with each other via the communication network NW2 and the wide area network NW3 by transmitting and receiving signals in accordance with a communication protocol such as HTTPS (Hypertext Transfer Protocol Secure).
  • HTTPS Hypertext Transfer Protocol Secure
  • the controller 20 and the server 40 communicate with each other by synchronizing data by polling.
  • the electrical device 11 is a facility device or a home appliance used by the user U1 who lives in the house H1, and is an air conditioner that adjusts the air condition in a room in the house H1, for example.
  • the electrical device 11 may be a device other than an air conditioner.
  • the electric device 11 may be an electric water heater, an electromagnetic cooker, a floor heater, or a refrigerator.
  • the electrical equipment 12 is a power generation system that generates power from sunlight using, for example, a solar panel installed on the roof of the house H1.
  • the electric power generated by the electric device 12 is supplied to the electric device 11 and the like.
  • the electrical device 13 is a power storage system that stores power using, for example, a storage battery mounted on an electric vehicle.
  • the electric device 13 accumulates electric power excessively generated by the electric device 12 and supplies the accumulated electric power to the electric device 11.
  • the electrical equipment 14 is a measuring device that measures various physical quantities.
  • the electrical device 14 is, for example, a temperature sensor that measures the room temperature of a room in which the electrical device 11 is installed, a human sensor that detects the position of a person in the house H1, or power that measures power consumed by the electrical device 11. Consists of sensors and the like.
  • the electric device 14 notifies the controller 20 of the measurement result.
  • All of the electrical devices 11 to 14 operate according to the control command received from the controller 20. For example, when the electric device 11 stops operating and receives a control command for starting the cooling operation, the electric device 11 starts the cooling operation and blows cool air from the outlet.
  • each of the electrical devices 11 to 14 responds to a request from the controller 20. For example, when the electrical device 11 in the cooling operation is requested to output the state, the electrical device 11 notifies the controller 20 that the operation mode is “cooling” as the current state.
  • the state of each of the electric devices 11 to 14 according to the present embodiment is indicated by the property value in ECHONET Lite.
  • the property about the electric device 11 includes “operation mode”, and the value of the “operation mode” is “heating”, “cooling”, “dehumidification”, or “stopped”.
  • the state of each of the electric devices 11 to 14 changes according to a control command from the controller 20.
  • the controller 20 is, for example, a HEMS (Home Energy Management System) controller that controls the electrical devices 11 to 14 in an integrated manner. Such a HEMS controller is normally installed in the house H1.
  • the controller 20 is a communication device that functions as a gateway server that relays communication in the device network NW1 and communication in the communication network NW2.
  • the controller 20 includes a control unit 21 that controls each component of the controller 20, a storage unit 22 that stores data, a first communication unit 23 for communicating via the device network NW1, and And a second communication unit 24 for communicating via the communication network NW2.
  • the control unit 21 includes, for example, a CPU (Central Processing Unit) and a RAM (Random Access Memory).
  • the control unit 21 exhibits various functions by executing the program P2 stored in the storage unit 22.
  • the control unit 21 functions as a device control module 211 that controls the electric devices 11 to 14, a monitoring module 212 that monitors the state of the electric devices 11 to 14, and a synchronization that synchronizes data in the storage unit 22 with data in the server 40.
  • a module 213 and a determination module 214 for determining success or failure of the operation are included.
  • the device control module 211 acquires, from the second communication unit 24, an operation command for setting the state of the electric devices 11 to 14 at the timing when the synchronization by the synchronization module 213 is executed.
  • the state set by the operation command is referred to as a target state.
  • the device control module 211 converts the operation command into a control command in a format suitable for the device network NW1, and outputs the control command to the first communication unit 23.
  • This control command substantially represents an operation command, and is a command equivalent to the operation command.
  • the monitoring module 212 periodically requests the electrical devices 11 to 14 to output the status of the electrical devices 11 to 14, and acquires the status of the electrical devices as a response to the request. For example, the monitoring module 212 generates a request command for requesting output of the state from each of the electrical devices 11 to 14 and periodically outputs the request command to the first communication unit 23. In addition, the monitoring module 212 acquires from the first communication unit 23 the states of the electric devices 11 to 14 notified via the device network NW1. Then, the monitoring module 212 stores the acquired state in the storage unit 22, thereby keeping the database relating to the states of the electrical devices 11 to 14 up to date.
  • the synchronization module 213 generates a request command for synchronizing the data stored in the storage unit 22 and the data stored in the server 40 and periodically outputs the request command to the second communication unit 24.
  • This request command includes a change in data stored in the storage unit 22.
  • the synchronization module 213 acquires a response from the server 40 to the request command from the second communication unit 24. This response includes a change in data stored in the server 40. Then, the synchronization module 213 keeps the database for synchronizing with the server 40 in the latest state based on the acquired response.
  • the synchronization module 213 notifies the device control module 211 and the determination module 214 of the synchronization timing.
  • the determination module 214 determines whether or not the operation on the electric devices 11 to 14 is successful by determining whether or not the state of the electric devices 11 to 14 that are the operation targets is equal to the target state. Then, the determination module 214 outputs the data indicating the state of the operation target device and the success / failure of the operation to the second communication unit 24 at the timing when the synchronization by the synchronization module 213 is performed, indicating the result of the operation. .
  • the storage unit 22 includes a nonvolatile memory such as a flash memory.
  • the storage unit 22 stores various data used for processing by the control unit 21 in addition to the program P2 executed by the control unit 21.
  • This data includes a database relating to the state of the electrical devices 11 to 14 and a database for synchronizing with the server 40. Then, the storage unit 22 supplies the data used by the control unit 21 to the control unit 21 and stores the data supplied from the control unit 21.
  • the first communication unit 23 includes a communication interface for communicating via the device network NW1.
  • the first communication unit 23 transmits the control command from the device control module 211 and the request command from the monitoring module 212 to the device specified by these commands.
  • the first communication unit 23 receives responses from the electrical devices 11 to 14 for these commands.
  • the second communication unit 24 includes a communication interface for communicating via the communication network NW2.
  • the second communication unit 24 adds the data output from the determination module 214 to the request command from the synchronization module 213 and transmits it to the server 40.
  • the second communication unit 24 receives a response from the server 40 to the request command. This response includes an operation command for operating the electric devices 11 to 14.
  • the router 30 is a broadband router, for example.
  • the router 30 is a relay device that relays communication in the communication network NW2 and communication in the wide area network NW3.
  • the server 40 is a cloud server that manages a plurality of HEMS controllers including the controller 20, for example.
  • the server 40 is a communication device that communicates with the controller 20 and the operation terminal 50 by responding to a request such as an HTTPS request.
  • the server 40 includes a control unit 41 that controls each component of the server 40, a storage unit 42 that stores data, and a communication unit 43 that communicates via the wide area network NW3. is doing.
  • the control unit 41 includes, for example, a CPU and a RAM.
  • the control unit 41 exhibits various functions by executing the program P4 stored in the storage unit 42.
  • the control unit 41 includes, as its functions, a WEB server module 411 for communicating with the operation terminal 50 and a synchronization module 412 for communicating with the controller 20.
  • the WEB server module 411 delivers an operation screen for operating the electric devices 11 to 14 to the operation terminal 50 in response to a request from the operation terminal 50.
  • the operation screen is, for example, a web page stored in the storage unit 42.
  • the operation screen distributed to the operation terminal 50 displays the operation result and the state of the device to be operated by a technique such as Ajax (Asynchronous JavaScript I and XML). Further, the WEB server module 411 acquires an operation command based on the operation content input using this operation screen from the communication unit 43 and stores it in the storage unit 42.
  • the synchronization module 412 acquires a request command for synchronizing data from the communication unit 43.
  • the synchronization module 412 keeps the data stored in the storage unit 42 in the latest state based on the request command. Then, the synchronization module 412 outputs a response to the request command to the communication unit 43.
  • the storage unit 42 is composed of a nonvolatile memory or the like.
  • the storage unit 42 stores various data in addition to the program P4 executed by the control unit 41. Then, the storage unit 42 supplies the data used by the control unit 41 to the control unit 41 and stores the data supplied from the control unit 41.
  • the storage unit 42 stores data transmitted between the controller 20 and the operation terminal 50 and the server 40. This data includes a database for synchronizing with the controller 20.
  • the communication unit 43 includes a communication interface for communicating via the wide area network NW3.
  • the communication unit 43 receives a request command for requesting distribution of the operation screen from the operation terminal 50 and receives a request command from the controller 20.
  • the communication unit 43 transmits a response to each of these request commands to each of the operation terminal 50 and the controller 20.
  • the operation terminal 50 is a mobile terminal (for example, a smartphone, a tablet terminal, etc.) possessed by the user U1.
  • the operation terminal 50 is connected to the wide area network NW3 via the mobile communication network, and is an input device that is used, for example, for the user U1 to input the contents of the operation on the electrical devices 11 to 14 from a place where they are out.
  • the operation terminal 50 is a presentation device that presents information related to the operation result to the user.
  • the operation terminal 50 includes a control unit 51 that controls each component of the operation terminal 50, a storage unit 52 that stores data, a communication unit 53 for communicating via the wide area network NW3, It has an input unit 54 for inputting operation details for the devices 11 to 14 and an output unit 55 for presenting information to the user U1.
  • the control unit 51 includes, for example, a CPU and a RAM.
  • the control unit 51 exhibits various functions by executing the program P5 stored in the storage unit 52.
  • the control unit 51 functions as a web browser to acquire an operation command from the input unit 54 or to transmit data indicating the operation result to the output unit 55 via a signal line such as an internal bus. To do.
  • the storage unit 52 is composed of a nonvolatile memory or the like.
  • the storage unit 52 stores various data used for processing by the control unit 51 in addition to the program P5 executed by the control unit 51.
  • the storage unit 52 supplies data used by the control unit 51 to the control unit 51 and stores the data supplied from the control unit 51.
  • the communication unit 53 includes a communication interface for communicating via the wide area network NW3.
  • the communication unit 53 converts an operation command based on the operation content input to the input unit 54 into data in a format suitable for the wide area network NW3 and transmits the data to the operation target device.
  • the communication unit 53 receives data indicating the result of the operation.
  • the input unit 54 is an input device configured to include, for example, an input key and a capacitance type pointing device.
  • the input unit 54 is used, for example, for the user U1 to select a device to be operated from the electric devices 11 to 14 or to input the contents of an operation on the selected device.
  • the input part 54 acquires the operation content input by the user U1, and outputs the operation command shown by this operation content to the control part 51.
  • the operation command includes information for identifying the operation target device.
  • the output unit 55 is an information presentation device including a display device such as an LCD (Liquid Crystal Display) and a speaker.
  • the output unit 55 forms a touch screen by being formed integrally with a pointing device that constitutes the input unit 54. Further, the output unit 55 presents information to the user U1 by displaying various graphics and characters to the user U1 in accordance with instructions from the control unit 51. For example, the output unit 55 displays an operation screen.
  • controller processing executed by the controller 20 will be described with reference to FIG. This controller process starts when the controller 20 is powered on.
  • control unit 21 of the controller 20 first determines whether or not a certain time has elapsed since the previous request (step S1). Specifically, the control unit 21 determines whether, for example, 30 seconds have elapsed since the previous execution of step S2. In addition, when step S1 is performed for the first time, it determines with fixed time having passed since the last request
  • step S1 When it is determined that the predetermined time has not elapsed since the previous request (step S1; No), the control unit 21 repeats the determination in step S1 until the predetermined time has elapsed.
  • step S2 when it is determined that a certain time has elapsed since the previous request (step S1; Yes), the control unit 21 requests synchronization (step S2). Specifically, the synchronization module 213 generates and outputs a request command for synchronizing data. As a result, the request command is transmitted to the server 40. The server 40 that has received this request command returns a response to the request command. As a result, the controller 20 and the server 40 store substantially the same database. Therefore, the synchronization module 213 notifies the operation terminal 50 of the state of the electrical devices 11 to 14 acquired by the monitoring module 212 via the server 40.
  • control unit 21 determines whether or not an operation command has been acquired (step S3). Specifically, it is determined whether the device control module 211 has acquired an operation command included in the response from the server 40. When it is determined that the operation command has not been acquired (step S3; No), the control unit 21 shifts the process to step S5.
  • step S4 the control unit 21 transmits the operation command (step S4). Specifically, the device control module 211 generates and outputs a control command. As a result, the device control module 211 transmits an operation command to the operation target device via the device network NW1.
  • the control unit 21 requests output of the state and acquires the state (step S5).
  • the monitoring module 212 generates and outputs a request command for requesting output of the state to each of the electric devices 11 to 14. As a result, a request command is transmitted to each of the electrical devices 11-14. Each of the electrical devices 11 to 14 that has received the request command notifies the controller 20 of the state. Then, the monitoring module 212 acquires the state notified from each of the electric devices 11-14. For this reason, when the operation command is transmitted by the device control module 211 in step S4, the monitoring module 212 acquires the state of the device to which the operation command has been transmitted via the device network NW1.
  • control unit 21 determines whether or not the operation result has already been notified (step S6). Specifically, the control unit 21 determines whether or not the operation result is notified in step S8 or step S10 after transmitting the operation command in step S4. When the operation command has not been transmitted yet, it is determined that the operation result has already been notified.
  • step S6 If it is determined that the operation result has already been notified (step S6; Yes), the control unit 21 repeats the processing after step S1. On the other hand, when it is determined that the operation result has not been notified yet (step S6; No), the control unit 21 determines whether or not the acquired state is equal to the target state (step S7). Specifically, the determination module 214 determines whether or not the state last acquired from the operation target device in step S5 is equal to the target state of the operation command transmitted last in step S4. .
  • step S7 When it is determined that the acquired state is not equal to the target state (step S7; No), the control unit 21 shifts the process to step S9. That is, when it is determined that the acquired state is different from the target state, the process of step S9 is executed.
  • step S7 when it is determined that the acquired state is equal to the target state (step S7; Yes), the control unit 21 notifies the operation result (step S8). Specifically, as a result of the operation, the determination module 214 outputs the state last acquired from the operation target device in step S5 and data indicating that the operation was successful in the next step S2. To the request command. As a result, the determination module 214 transmits data indicating the operation result to the operation terminal 50.
  • control unit 21 determines whether or not the standby time has elapsed (step S9). Specifically, the control unit 21 determines whether, for example, a waiting time of 3 minutes has elapsed since the transmission in the previous step S4. This waiting time means a time for waiting for acquisition of a state equal to the target state.
  • step S9 When it is determined that the standby time has not elapsed (step S9; No), the control unit 21 repeats the processes after step S1. Thereby, the control part 21 will try acquisition of a state equal to a target state until standby
  • step S9 when it is determined that the standby time has elapsed (step S9; Yes), the control unit 21 notifies the operation result (step S10). Specifically, the determination module 214 outputs, as a result of the operation, the state last acquired from the operation target device in step S5 and data indicating that the operation has failed in the next step S2. To the request command. Thereby, when all the states acquired by the monitoring module 212 from the transmission of the operation command in step S4 until the standby time elapses are different from the target state, the determination module 214 stores data indicating the operation result, It is transmitted toward the operation terminal 50.
  • control unit 21 repeats the processes after step S1.
  • the sequence diagram of FIG. 4 shows an example in which the operation on the electric device 11 is immediately successful.
  • the controller 20 repeatedly requests the electrical device 11 to output the state after a predetermined time T1 (steps S11, S13, S15, and S17). And the electric equipment 11 responds with respect to each request
  • the operation terminal 50 acquires the operation content input on the operation screen at a certain timing (step S21).
  • the operation terminal 50 transmits an operation command to the server 40 by, for example, a GET or POST method HTTPS request (step S22).
  • the server 40 transmits an operation command to the controller 20 by synchronizing data with the controller 20 (step S23). As a result, the controller 20 acquires an operation command from the operation terminal 50.
  • the controller 20 transmits an operation command to the electrical device 11 by transmitting a control command (step S24).
  • the transmission of this operation command corresponds to the process of step S4 in FIG.
  • the electric equipment 11 responds with respect to transmission of this operation command which shows that the operation command arrived at the electric equipment 11 (step S25).
  • the electrical device 11 changes the state to the target state (step S26). That is, the electric device 11 operates according to the operation command.
  • the state after the change of the electric device 11 is notified to the controller 20 in step S16.
  • step S27 the controller 20 compares the states (step S27). Specifically, the controller 20 compares the target state indicated by the operation command transmitted in step S24 with the state notified in step S16. This comparison of the states corresponds to the process of step S7 in FIG. In the example shown in FIG. 4, the controller 20 determines that these states match. This determination corresponds to an affirmative determination in step S7 in FIG.
  • the controller 20 notifies the operation result to the server 40 by synchronizing the data with the server 40 (step S28). This notification corresponds to the processing in step S8 in FIG. Further, the server 40 notifies the operation result to the operation terminal 50 (step S29). Then, the operation terminal 50 displays the operation result (step S30). Specifically, the operation terminal 50 displays the state of the operated electrical device 11 and the success of the operation to the user U1.
  • the sequence diagram of FIG. 5 shows an example in which the operation on the electric device 11 succeeds after a certain time.
  • symbol is attached
  • the controller 20 requests the electrical device 11 to output a state after the request in step S ⁇ b> 17 (step S ⁇ b> 19).
  • the electrical device 11 responds to this request (step S20).
  • step S31 the electrical device 11 has not changed the state to the target state (step S31). That is, the electric device 11 is not operating according to the operation command.
  • step S32 the controller 20 compares the state notified in step S16 with a target state (step S32). In the example shown in FIG. 5, the controller 20 determines that the states do not match. This determination corresponds to a negative determination in step S7 in FIG.
  • Electrical device 11 changes its state to the target state after the response in step S16 (step S33).
  • the state after the change of the electric device 11 is notified to the controller 20 in step S20.
  • the controller 20 compares the states again (step S34). Specifically, the controller 20 compares the state notified in step S20 with the target state indicated by the operation command transmitted in step S24. In the example shown in FIG. 5, the controller 20 determines that these states match.
  • the controller 20 notifies the operation result to the server 40 (step S35).
  • the server 40 notifies the operation result to the operation terminal 50 (step S36).
  • the operation terminal 50 displays the operation result (step S37). Thereby, the result of the successful operation is promptly presented to the user U1.
  • the sequence diagram in FIG. 6 shows an example in which the operation on the electric device 11 fails.
  • symbol is attached
  • step S38 the electrical device 11 has not changed the state to the target state until the state is notified in step S20 (step S38). For this reason, all the states notified to the controller 20 in steps S16, S18,..., S20 before the standby time T2 elapses from the transmission of the operation command in step S24 are different from the target state.
  • the controller 20 compares the state notified last before the waiting time T2 elapses with the target state (step S39). In the example shown in FIG. 6, the controller 20 determines that the states do not match.
  • the controller 20 notifies the operation result to the server 40 (step S40).
  • This notification corresponds to the processing in step S10 in FIG.
  • the server 40 notifies the operation result to the operation terminal 50 (step S41).
  • the operation terminal 50 displays the operation result (step S42). Specifically, the operation terminal 50 displays the latest state of the electric device 11 and the operation failure to the user U1.
  • the controller 20 repeatedly acquires the state from the operation target device. Then, when the state of the device to which the operation command is transmitted is equal to the target state, the controller 20 immediately notifies the operation terminal 50 of the result of the successful operation. On the other hand, when the state of the device to which the operation command is transmitted is different from the target state, the controller 20 acquires the state equal to the target state until the standby time elapses without notifying the operation terminal 50 of the operation result. Wait for. Then, the controller 20 notifies the operation terminal 50 of the result of the failed operation when the standby time has elapsed.
  • the controller 20 notifies the operation result at different timings according to the success or failure of the operation. As a result, the time until the operation result is notified can be shortened.
  • the operation result is notified to the operation terminal 50. For this reason, when the operation is successful, the user U1 can confirm that the operation target device is operating according to the operation content. Further, the user U1 can correct an operation when an unintended operation content is input by mistake. Also, the user U1 can try the operation again even when the operation fails.
  • the controller 20 notifies the operation terminal 50 of the success or failure of the operation in addition to the latest state of the operation target device. Thereby, the user U1 can grasp
  • Embodiment 2 FIG. Next, the second embodiment will be described focusing on the differences from the first embodiment.
  • the description is abbreviate
  • the device operation system 100 according to the present embodiment is different from that according to the first embodiment in that the server 40 determines whether or not the operation is successful instead of the controller 20.
  • FIG. 7 shows the configuration of the device operation system 100 according to the present embodiment.
  • the control unit 21 of the controller 20 is configured by omitting the determination module 214 (see FIG. 2).
  • the database for synchronizing with the server 40 includes a database relating to the states of the electrical devices 11 to 14. As a result, the states of the electrical devices 11 to 14 acquired by the controller 20 are notified to the server 40 by data synchronization.
  • control unit 41 of the server 40 has a determination module 413.
  • the determination module 413 reads the target state indicated by the operation command and the latest state of the operation target device from the storage unit 42.
  • the determination module 413 determines the success or failure of the operation by comparing these states. Then, the determination module 413 outputs data indicating the operation result to the communication unit 43.
  • the communication unit 43 transmits this data to the operation terminal 50.
  • server processing executed by the server 40 will be described with reference to FIG. This server process starts when the power of the server 40 is turned on.
  • the control unit 41 of the server 40 first determines whether or not an operation command has been acquired (step S51). Specifically, it is determined whether the WEB server module 411 has acquired an operation command from the operation terminal 50. When it determines with not having acquired the operation command (step S51; No), the control part 41 transfers a process to step S53.
  • control unit 41 stores the operation command in the database (step S52).
  • the WEB server module 411 stores the operation command in a database synchronized with the controller 20.
  • control unit 41 determines whether or not database synchronization is requested (step S53). Specifically, the synchronization module 412 determines whether a request command from the controller 20 has been acquired. When it is determined that the database synchronization is not requested (step S53; No), the control unit 41 repeats the processes after step S51.
  • step S53 when it is determined that the database synchronization is requested (step S53; Yes), the control unit 41 determines whether or not there is an operation command in the database (step S54). Specifically, the synchronization module 412 determines whether or not there is an operation command stored in step S52 in the database synchronized with the controller 20 and not yet transmitted to the controller 20.
  • step S54 If it is determined that there is no operation command in the database (step S54; No), the control unit 41 responds to the synchronization request (step S55). Then, the control part 41 transfers a process to step S57.
  • step S54 when it is determined that there is an operation command in the database (step S54; Yes), the control unit 41 responds to the synchronization request, and transmits the operation command to the controller 20 by this response (step S56). . Thereby, the control part 41 will transmit an operation command to the apparatus of operation object via the router 30 and the controller 20 in this order.
  • control unit 41 acquires the state and stores it in the database (step S57). Specifically, the synchronization module 412 acquires the states of the electrical devices 11 to 14 included in the request command and stores them in a database synchronized with the controller 20. When the operation command is transmitted in step S56, the control unit 41 acquires the state of the device to which the operation command is transmitted through the controller 20 and the router 30 in this order.
  • control unit 41 determines whether or not the operation result has already been notified (step S58). Specifically, the control unit 41 determines whether or not the operation result is notified in step S60 or step S62 after transmitting the operation command in step S56. When it determines with having already notified the operation result (step S58; Yes), the control part 41 repeats the process after step S51.
  • step S58 determines whether or not the acquired state is equal to the target state (step S59). Specifically, the determination module 413 determines whether the state last acquired from the operation target device in step S57 is equal to the target state of the operation command transmitted last in step S56. .
  • step S59 When it is determined that the acquired state is not equal to the target state (step S59; No), the control unit 41 proceeds to step S61. That is, if it is determined that the acquired state is different from the target state, the process of step S61 is executed.
  • step S59 when it is determined that the acquired state is equal to the target state (step S59; Yes), the control unit 41 notifies the operation result (step S60). Specifically, the determination module 413 outputs, to the operation terminal 50, the state last acquired from the operation target device in step S57 and the data indicating that the operation was successful as a result of the operation. .
  • control unit 41 determines whether or not the standby time has elapsed since the transmission in the previous step S56 (step S61). When it is determined that the standby time has not elapsed (step S61; No), the control unit 41 repeats the processes after step S51. Thereby, the control unit 41 tries to acquire a state equal to the target state until the standby time elapses.
  • step S61 when it is determined that the standby time has elapsed (step S61; Yes), the control unit 41 notifies the operation result (step S62). Specifically, if any of the states acquired by the control unit 41 from the transmission of the operation command in step S56 until the standby time elapses is different from the target state, the determination module 413 determines whether the step is a step. The state acquired from the operation target device in S57 and data indicating that the operation has failed are transmitted to the operation terminal 50.
  • control unit 41 repeats the processing after step S51.
  • the sequence diagram of FIG. 9 shows an example in which the operation on the electric device 11 is immediately successful, as in FIG. Similar to the example shown in FIG. 4, between the controller 20 and the electric device 11, a request for outputting a regular state (steps S11, S13, S15, S17) and a response to the request (steps S12, S17, S17) S14, S16, S18) and the transmission of the operation command (step S24). Further, the electrical device 11 changes its state in accordance with the operation command (step S26). Further, the operation terminal 50 acquires the operation content (step S21) and transmits an operation command (step S22).
  • the controller 20 repeatedly requests the server 40 to synchronize data after a certain time T3 (steps S71, S73, S75, S77). Thereby, the state of the electric equipment 11 is regularly notified to the server 40.
  • the fixed time T3 is equal to the fixed time T1 shown in FIG.
  • the server 40 responds to each request from the controller 20 (steps S72, S74, S76, S78).
  • the responses in steps S72, S76, and S78 correspond to the process in step S55 in FIG. Since the response in step S74 transmits an operation command, it corresponds to the process in step S56 in FIG.
  • step S75 the state after the change of the electric equipment 11 is notified to the server 40 in step S75.
  • the server 40 compares this state with the target state (step S81). This comparison of the states corresponds to the process of step S59 in FIG. In the example shown in FIG. 9, the server 40 determines that these states match.
  • the server 40 notifies the operation result to the operation terminal 50 (step S82). This notification corresponds to the processing in step S60 in FIG. And the operation terminal 50 displays an operation result similarly to the example shown by FIG.
  • the server 40 compares the state notified in step S75 with the target state (step S83). In the example shown in FIG. 10, the server 40 determines that these states do not match. This determination corresponds to a negative determination in step S59 in FIG.
  • the controller 20 requests the server 40 for data synchronization even after the request in step S77 (step S79). Thereby, the state after the change of the electric equipment 11 is notified to the server 40. Further, the server 40 responds to this request (step S80).
  • the server 40 compares the state notified in step S79 with the target state (step S84). In the example shown in FIG. 10, the server 40 determines that these states match.
  • the server 40 notifies the operation terminal 50 of the operation result (step S85). And the operation terminal 50 displays an operation result similarly to the example shown by FIG.
  • FIG. 11 shows an example in which the operation on the electrical device 11 has failed as in FIG.
  • symbol is attached
  • the state notified to the server 40 in steps S75,..., S79 before the standby time T4 elapses from the transmission of the operation command in step S74 is different from the target state. ing.
  • the waiting time T4 is equal to the waiting time T2 shown in FIG.
  • the server 40 compares the state notified last before the waiting time T2 elapses with the target state (step S86). In the example shown in FIG. 11, the server 40 determines that the states do not match.
  • the server 40 notifies the operation terminal 50 of the operation result (step S87). This notification corresponds to the processing in step S62 in FIG. And the operation terminal 50 displays an operation result similarly to the example shown by FIG.
  • the server 40 notifies the operation result at different timings according to the success or failure of the operation. Thereby, the time until the operation result is notified can be shortened.
  • Embodiment 3 FIG. Subsequently, the third embodiment will be described focusing on differences from the above-described second embodiment.
  • the description is abbreviate
  • the device operation system 100 according to the present embodiment is different from that according to the second embodiment in that the operation terminal 50 does not display the state of the operation target device over a certain period of time.
  • FIG. 12 shows the configuration of the device operation system 100 according to the present embodiment.
  • the control unit 41 of the server 40 is configured by omitting the determination module 413.
  • the determination module 413 is omitted and the server 40 is configured.
  • the server 40 may include the determination module 413.
  • the controller 20 may include a determination module 214.
  • control unit 51 of the operation terminal 50 has a delay module 511.
  • the delay module 511 delays the display of the state by the output unit 55.
  • terminal processing executed by the operation terminal 50 will be described with reference to FIG. This terminal process starts when the operation terminal 50 is turned on.
  • control unit 51 of the operation terminal 50 first determines whether or not an operation command has been acquired (step S91). Specifically, the control unit 51 determines whether or not data indicating an operation command has been received via the signal line from the input unit 54 to which the operation content has been input. When it determines with not having acquired the operation command (step S91; No), the control part 51 transfers a process to step S94.
  • step S91 when it is determined that the operation command has been acquired (step S91; Yes), the control unit 51 transmits the operation command to the server 40 via the communication unit 53 (step S92). Thereafter, the control unit 51 displays the target state on the output unit 55 (step S93). Thereby, the output unit 55 displays, for example, the operation screen A1 illustrated in FIG. 14 for the user U1.
  • the operation screen A1 is a screen for operating the electric device 11.
  • the operation screen A1 includes an icon A2 indicating the electric device 11, a panel A3 for inputting operation details for the electric device 11, a box A4 indicating the state of the electric device 11, and a box A5 indicating success or failure of the operation on the electric device 11. have.
  • the control unit 51 displays, for example, a target state “cooling” in the box A ⁇ b> 4 as the state of the electrical device 11.
  • control unit 51 requests and acquires a state (step S94). Specifically, the control unit 51 requests the server 40 to notify the state, and acquires the latest state of each of the electric devices 11 to 14.
  • control unit 51 determines whether or not the delay time has elapsed (step S95). Specifically, the delay module 511 determines whether a delay time of, for example, 10 seconds has elapsed since the transmission of the operation command in the previous step S92.
  • step S95 When it is determined that the delay time has not elapsed (step S95; No), the control unit 51 repeats the processing after step S91. Thus, even if the control unit 51 has acquired the state, the target state is displayed on the operation screen instead of the acquired state until the delay time elapses.
  • step S95 when it is determined that the delay time has elapsed (step S95; Yes), the control unit 51 determines whether or not the operation is successful, and causes the output unit 55 to display the operation result (step S96).
  • the latest state of the electrical device 11 is displayed in the box A4, and the success or failure of the operation is displayed in the box A5.
  • control unit 51 repeats the processes after step S91.
  • FIG. 16 shows an example in which the operation on the electrical device 11 is immediately successful, as in FIG.
  • symbol is attached
  • the operation terminal 50 displays the target state after transmitting the operation command in step S22 (step S101).
  • This display of the target state corresponds to the process of step S93 in FIG.
  • the operation terminal 50 repeatedly requests the server 40 for status notification (steps S102, S104, S106). Each of these requests corresponds to the process of step S94 in FIG.
  • the server 40 responds to each of these requests (steps S103, S105, S107). Thereby, the state of the electric device 11 to be operated is notified to the operation terminal 50.
  • the operation terminal 50 displays the operation result after the delay time T5 has elapsed from the transmission of the operation command in step S22 (step S108).
  • the operation result includes the latest state of the electric device 11 and the success or failure of the operation.
  • the operation terminal 50 provides the user U1 with the acquired state of the device to be operated after transmission of the operation command, except until the delay time elapses. indicate. Therefore, the state of the device to be operated before the operation command arrives is not displayed immediately after the operation command is transmitted by the operation terminal 50. In the example shown in FIG. 16, the state of the electrical device 11 notified in steps S14, S73, and S103 is not displayed immediately after step S22.
  • the operation terminal 50 displays the target state as the state of the operation target device until the delay time elapses.
  • the user U1 visually recognizes that the state of the operation target device changes from the target state to a state different from the target state at the end of the delay time. For this reason, the user U1 can easily recognize that the operation has failed.
  • Embodiment 4 FIG. Next, the fourth embodiment will be described focusing on the differences from the first embodiment.
  • the description is abbreviate
  • the device operation system 100 according to the present embodiment is different from that according to the first embodiment in that the standby time is defined by the number of times the state is acquired.
  • the control unit 21 determines whether or not the state has been acquired by a predetermined number of standby times following step S8 (step S111). . Specifically, the control unit 21 determines whether or not the state of the operation target device has been acquired by the number of times of standby by the process of step S5 repeatedly executed after the transmission of the operation command in step S4.
  • the number of standby times is, for example, 3 times.
  • step S111 When it is determined that the state has not been acquired for the number of standby times (step S111; No), the control unit 21 repeats the processing after step S1. Thereby, the control part 21 will try acquisition of the state equal to a target state again. However, since the number of attempts to acquire the state is limited to the number of standby times, the control unit 21 waits for acquisition of a state equal to the target state only for the time until the state is acquired by the number of standby times.
  • step S111 when it is determined that the number of standby times has been acquired (step S111; Yes), the control unit 21 shifts the processing to step S10.
  • the controller 20 waits for acquisition of a state equal to the target state by limiting the number of times of acquiring the state. That is, the standby time according to the present embodiment is equal to the time from when the device control module 211 transmits the operation command in step S4 until the acquisition of the state in step S5 is executed by the number of standby times. For this reason, the controller 20 executes a count process of the number of times the state is acquired instead of the timer process for measuring the standby time. As a result, the control unit 21 can save hardware resources.
  • the device operating system 100 has the server 40 in the above embodiment, but may be configured without the server 40 as shown in FIG.
  • the server 40 When the server 40 is omitted, an operation command is transmitted from the operation terminal 50 to the controller 20 via the wide area network NW3, the router 30, and the communication network NW2 in this order. Further, data indicating the operation result is transmitted from the controller 20 to the operation terminal 50 through the communication network NW2, the router 30, and the wide area network NW3 in this order.
  • an operation terminal 501 configured similarly to the operation terminal 50 may be connected to the communication network NW2 without being connected to the wide area network NW3.
  • the operation terminal 501 transmits an operation command to the controller 20 via the communication network NW2, and acquires data indicating an operation result from the controller 20 via the communication network NW2.
  • the user U2 who uses the operation terminal 501 can operate the electric devices 11 to 14 from the house H1.
  • the device network NW1 is a network different from the communication network NW2, but is not limited thereto.
  • the device network NW1 may partially overlap the communication network NW2, or may be substantially the same network as the communication network NW2.
  • controller 20 and the server 40 may be synchronized by long polling (Comet method) or by communication according to the WebSocket protocol.
  • the result of the operation according to the above embodiment includes the latest state of the device to which the operation command is transmitted and the success or failure of the operation, but is not limited thereto.
  • the result of the operation may be only one of the state of the device and the success or failure of the operation.
  • the operation result may include a history of the state of the operation target device.
  • the operation result may include other information related to the state of the device to which the operation command is transmitted.
  • the controller 20 or the server 40 determines whether or not the operation is successful.
  • the control unit 51 of the operation terminal 50 may determine whether or not the operation is successful, similar to the determination modules 214 and 413. Specifically, the control unit 51 may transmit data indicating the result of the successful operation to the output unit 55 as soon as a state equal to the target state is acquired. In addition, when acquiring a state different from the target state, the control unit 51 may try to acquire the state until the standby time elapses. Further, the control unit 51 may transmit data indicating the result of the failed operation to the output unit 55 when the standby time has elapsed.
  • the operation terminal 50 has received the operation content by the button that displays “cooling start” or “stop” on the touch screen. It is not limited. For example, you may acquire the operation content input by operation, such as a toggle switch.
  • the number of trials for obtaining a state equal to the target state is three, but this is not a limitation. If this number is a plurality of times (two or more times), the controller 20 can notify the result of the operation at different timings according to the state of the device to be operated.
  • controller 20 the server 40, and the operation terminal 50 according to the above-described embodiment can be realized by dedicated hardware or by a normal computer system.
  • the programs P2, P4, and P5 stored in the storage units 22, 42, and 52 are recorded on a computer-readable recording medium such as a flexible disk, a CD-ROM (Compact Disk Read-Only Memory), and a DVD (Digital Versatile Disk).
  • a computer-readable recording medium such as a flexible disk, a CD-ROM (Compact Disk Read-Only Memory), and a DVD (Digital Versatile Disk).
  • programs P2, P4, and P5 may be stored in a disk device or the like included in a server device on a network such as the Internet, and may be downloaded onto a computer by being superimposed on a carrier wave, for example.
  • the above-described processing can also be achieved by starting and executing the programs P2, P4, and P5 while transferring them over the network.
  • program P2, P4, and P5 are all or partly executed on the server device, and the program P2, P4, and P5 are executed while the computer transmits and receives information on the processing via the network. Processing can be achieved.
  • the means for realizing the functions of the controller 20, the server 40, and the operation terminal 50 is not limited to software, and a part or all of the means may be realized by dedicated hardware (circuit or the like).
  • the present invention can be applied to a system for remotely operating a device.

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

Abstract

L'invention concerne un dispositif de commande (20) comprenant un module de commande d'appareil (211), un module de surveillance (212) et une seconde unité de communication (24). Le module de commande d'appareil (211) obtient un ordre d'opération destiné à définir l'état d'un appareil électrique (11) depuis un terminal d'opération (50) et transmet l'ordre d'opération à l'appareil électrique (11). Le module de surveillance (212) acquiert en continu l'état de l'appareil électrique (11). Lorsqu'un état acquis par le module de surveillance (212) est égal à l'état défini par l'ordre d'opération, un module de détermination (214) transmet des données indiquant le résultat de l'opération au terminal d'opération (50). En outre, lorsque tous les états qui sont acquis par le module de surveillance (212) lors de l'expiration d'un temps de veille après que la transmission par le module de commande d'appareil (211) sont différents de l'état défini par l'ordre d'opération, le module de détermination (214) transmet des données indiquant le résultat de l'opération au terminal d'opération (50).
PCT/JP2014/070900 2013-08-07 2014-08-07 Dispositif de communication, système d'exploitation d'appareil, procédé de communication, et programme WO2015020154A1 (fr)

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JPWO2021111555A1 (fr) * 2019-12-04 2021-06-10

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KR101872773B1 (ko) * 2016-06-29 2018-06-29 청주대학교 산학협력단 모바일 단말기를 이용한 소방엔진펌프 모니터링과 제어시스템 및 그 방법
KR101863745B1 (ko) * 2016-06-29 2018-06-01 청주대학교 산학협력단 웹서버를 이용한 소방엔진펌프 모니터링과 제어시스템 및 그 방법

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JP2010211523A (ja) * 2009-03-10 2010-09-24 Ricoh Co Ltd 機器管理装置、機器管理システム、機器管理方法、機器管理プログラム、及びそのプログラムを記録した記録媒体

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JP2010211523A (ja) * 2009-03-10 2010-09-24 Ricoh Co Ltd 機器管理装置、機器管理システム、機器管理方法、機器管理プログラム、及びそのプログラムを記録した記録媒体

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JPWO2021111555A1 (fr) * 2019-12-04 2021-06-10
WO2021111555A1 (fr) * 2019-12-04 2021-06-10 三菱電機株式会社 Système de commande de dispositif, appareil de réception d'opération, serveur et procédé de commande de dispositif
JP7191252B2 (ja) 2019-12-04 2022-12-16 三菱電機株式会社 機器制御システム、操作受付装置、サーバおよび機器制御方法

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