WO2022118649A1 - 空調機制御システム、サーバ装置及び空調機制御方法 - Google Patents
空調機制御システム、サーバ装置及び空調機制御方法 Download PDFInfo
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- WO2022118649A1 WO2022118649A1 PCT/JP2021/042042 JP2021042042W WO2022118649A1 WO 2022118649 A1 WO2022118649 A1 WO 2022118649A1 JP 2021042042 W JP2021042042 W JP 2021042042W WO 2022118649 A1 WO2022118649 A1 WO 2022118649A1
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- Prior art keywords
- air conditioner
- emergency operation
- server device
- information
- control system
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 230000005856 abnormality Effects 0.000 claims abstract description 38
- 238000012423 maintenance Methods 0.000 claims description 19
- 238000004891 communication Methods 0.000 abstract description 8
- 238000010586 diagram Methods 0.000 description 15
- 230000006870 function Effects 0.000 description 8
- 230000004044 response Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/38—Failure diagnosis
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/32—Responding to malfunctions or emergencies
- F24F11/37—Resuming operation, e.g. after power outages; Emergency starting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/49—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring ensuring correct operation, e.g. by trial operation or configuration checks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/52—Indication arrangements, e.g. displays
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
- F24F11/58—Remote control using Internet communication
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
Definitions
- This disclosure relates to an air conditioner control system, a server device, and an air conditioner control method.
- An air conditioner control system that connects an air conditioner and a server device via a public line such as the Internet and remotely controls the air conditioner is known. According to the air conditioner control system, for example, when an abnormality occurs in the air conditioner, the emergency operation can be started remotely.
- the present disclosure provides an air conditioner control system, a server device, and an air conditioner control method that ensure the safety of workers when starting emergency operation.
- the air conditioner control system is An air conditioner control system that connects an air conditioner and a server device so that they can communicate with each other. When receiving a notification indicating an abnormality from the air conditioner, it has a control unit that transmits setting information for emergency operation to the air conditioner after instructing the operation of all indoor units of the air conditioner to be stopped.
- the emergency operation is not started immediately, and only when the remote controller of the indoor unit is operated. Emergency operation is started. That is, it is possible to avoid a situation in which emergency operation is unintentionally started.
- an air conditioner control system that ensures the safety of the operator when starting the emergency operation.
- the second aspect of the present disclosure is the air conditioner control system according to the first aspect.
- the control unit When the notification of the completion of setting of the setting information is received from the air conditioner, the notification that the setting information for emergency operation has been successfully set is notified.
- the third aspect of the present disclosure is the air conditioner control system according to the first aspect.
- the control unit If maintenance information is received from the air conditioner before the emergency operation based on the setting information continues for a predetermined period, the operation of all the indoor units of the air conditioner is instructed to be stopped, and the air conditioner is instructed to stop the emergency operation. Instruct.
- the fourth aspect of the present disclosure is the air conditioner control system according to the third aspect.
- the air conditioner has at least a plurality of outdoor units, and the air conditioner has at least a plurality of outdoor units.
- the emergency operation is an operation by the remaining outdoor units, excluding some of the outdoor units in which the abnormality has occurred.
- the server device is A server device that is communicatively connected to an air conditioner.
- the control unit When receiving a notification indicating an abnormality from the air conditioner, it has a control unit that transmits setting information for emergency operation to the air conditioner after instructing the operation of all indoor units of the air conditioner to be stopped.
- the emergency operation is not started immediately, and only when the remote controller of the indoor unit is operated. Emergency operation is started. That is, it is possible to avoid a situation in which emergency operation is unintentionally started.
- a server device that ensures the safety of the operator when starting the emergency operation.
- the air conditioner control method is described. It is an air conditioner control method in an air conditioner control system in which an air conditioner and a server device are communicably connected. It has a control step of transmitting setting information for emergency operation to the air conditioner after instructing to stop the operation of all the indoor units of the air conditioner when the notification indicating an abnormality is received from the air conditioner.
- the emergency operation is not started immediately, and only when the remote controller of the indoor unit is operated. Emergency operation is started. That is, it is possible to avoid a situation in which emergency operation is unintentionally started.
- an air conditioner control method for ensuring the safety of the operator when starting the emergency operation.
- FIG. 1 is a diagram showing an example of a system configuration of an air conditioner control system.
- FIG. 2A is a diagram showing an example of the hardware configuration of the edge device.
- FIG. 2B is a diagram showing an example of the hardware configuration of the server device.
- FIG. 3 is an example of a flowchart showing the flow of the air conditioner control process by the air conditioner control system.
- FIG. 4 is an example of a sequence diagram showing the flow of emergency operation start processing.
- FIG. 5 is an example of a sequence diagram showing the flow of the first emergency operation end process.
- FIG. 6 is an example of a sequence diagram showing the flow of the advance notice notification process and the second emergency operation end process.
- FIG. 1 is a diagram showing an example of a system configuration of an air conditioner control system.
- the air conditioner control system 100 includes an air conditioner 110, an edge device 120, a server device 130, and an administrator terminal 140.
- the air conditioner 110 and the edge device 120 are communicably connected via a dedicated communication line.
- the edge device 120 and the server device 130, and the administrator terminal 140 and the server device 130 are communicably connected via a public line such as the Internet 150.
- the air conditioner 110 includes indoor units 111 and 112 and outdoor units 113, 114 and 115.
- the number of indoor units and outdoor units shown in FIG. 1 is an example, and the air conditioner 110 in the present embodiment has a plurality of indoor units and a plurality of outdoor units, and is configured to be capable of emergency operation. ..
- an abnormality has occurred in the outdoor unit 113 which is the master unit, and the outdoor unit which is the remaining two slave units excluding the outdoor unit 113 (some outdoor units in which the abnormality has occurred). It shows how 114 and 115 cooperate to perform emergency operation.
- the edge device 120 transmits the air conditioner information output by the air conditioner 110 to the server device 130 via the Internet 150.
- the air conditioner information output by the air conditioner 110 includes, for example, abnormality information (notification) indicating that an abnormality has occurred and information indicating the state of the air conditioner 110 during emergency operation. Further, the air conditioner information output by the air conditioner 110 includes information (maintenance information) indicating that the maintenance work has been performed by the worker 161 who performs maintenance on the air conditioner 110.
- the edge device 120 transmits the instruction information transmitted from the server device 130 via the Internet 150 to the air conditioner 110.
- the instruction information transmitted by the server device 130 to the edge device 120 includes, for example, information instructing the stop of operation of all indoor units, information instructing the setting of emergency operation, information instructing stop of emergency operation, and the like.
- a control program is installed in the server device 130, and when the program is executed, the server device 130 functions as the control unit 131.
- the control unit 131 remotely controls the air conditioner 110 via the Internet 150. Specifically, the control unit 131 receives the air conditioner information output by the air conditioner 110 and transmitted by the edge device 120 via the Internet 150. Further, the control unit 131 transmits the instruction information corresponding to the received air conditioner information to the edge device 120 automatically or by inputting the device manager 162 to the edge device 120 via the Internet 150. As a result, the server device 130 that functions as the control unit 131 can remotely control the air conditioner 110.
- the control unit 131 transmits the notification information corresponding to the received air conditioner information to the administrator terminal 140 via the Internet 150.
- the notification information transmitted to the administrator terminal 140 includes, for example, information for notifying the start guidance of emergency operation, information for notifying the success of setting setting information for emergency operation, information for notifying the stop of emergency operation, and emergency operation. Information and the like for notifying the stop of the are included.
- control unit 131 receives the emergency operation permission / rejection information input by the air conditioner manager 163 in response to the transmission of the notification information to the manager terminal 140. A part of the instruction information is transmitted to the edge device 120 when the permission / rejection information is received.
- the administrator terminal 140 is a terminal operated by an air conditioner administrator 163 (an example of a user, for example, an administrator who manages a building to which the air conditioner 110 is attached) that manages the air conditioner 110.
- the administrator terminal 140 notifies the air conditioner administrator 163 of the notification information received from the server device 130.
- the air conditioner manager 163 requests the worker 161 for the maintenance work and inputs the permission / rejection information of the emergency operation.
- the permission / rejection information is transmitted to the server device 130 via the Internet 150.
- FIG. 2A is a diagram showing an example of the hardware configuration of the edge device.
- the edge device 120 includes a processor 201, a memory 202, an auxiliary storage device 203, an I / F (Interface) device 204, a communication device 205, and a drive device 206.
- the hardware of the edge device 120 is connected to each other via the bus 207.
- the processor 201 has various arithmetic devices such as a CPU (Central Processing Unit) and a GPU (Graphics Processing Unit).
- the processor 201 reads and executes various programs (programs for realizing the above-mentioned functions of the edge device 120) on the memory 202.
- the memory 202 has a main storage device such as a ROM (ReadOnlyMemory) and a RAM (RandomAccessMemory).
- the processor 201 and the memory 202 form a so-called computer.
- the auxiliary storage device 203 stores various programs and various data used when various programs are executed by the processor 201.
- the I / F device 204 is a device for the edge device 120 to communicate with the air conditioner 110 via a dedicated communication line.
- the communication device 205 is a device for the edge device 120 to communicate with another device (server device 130) via the Internet 150.
- the drive device 206 is a device for setting the recording medium 210.
- the recording medium 210 referred to here includes a medium such as a CD-ROM, a flexible disk, a magneto-optical disk, or the like, which records information optically, electrically, or magnetically. Further, the recording medium 210 may include a semiconductor memory or the like for electrically recording information such as a ROM or a flash memory.
- the various programs installed in the auxiliary storage device 203 are installed, for example, by setting the distributed recording medium 210 in the drive device 206 and reading the various programs recorded in the recording medium 210 by the drive device 206. Will be done.
- various programs installed in the auxiliary storage device 203 may be installed by being downloaded from the Internet 150 via the communication device 205.
- FIG. 2B is a diagram showing an example of the hardware configuration of the server device. Since the hardware configuration of the server device 130 is substantially the same as the hardware configuration of the edge device 120, the differences from the hardware configuration of the edge device 120 will be mainly described here.
- the processor 221 reads various programs (for example, a control program, etc.) onto the memory 222 and executes them.
- the memory 222 has a main storage device such as a ROM (ReadOnlyMemory) and a RAM (RandomAccessMemory).
- the processor 221 and the memory 222 form a so-called computer, and the processor 221 executes various programs read on the memory 222, so that the computer realizes the control unit 131.
- the auxiliary storage device 223 stores various programs and various data (for example, emergency operation history described later) used when the various programs are executed by the processor 221.
- the I / F device 224 is a connection device that connects the operation device 230 and the display device 240, which are examples of external devices, and the server device 130.
- the I / F device 224 accepts an operation on the server device 130 by the device manager 162 via the operation device 230. Further, the I / F device 224 displays the results of various processes by the server device 130 to the device manager 162 via the display device 240.
- the communication device 225 is a communication device for communicating with other devices (edge device 120, administrator terminal 140, etc.) via the Internet 150.
- FIG. 3 is an example of a flowchart showing the flow of the air conditioner control process by the air conditioner control system.
- step S301 the air conditioner 110 determines whether or not an abnormality has occurred. If it is determined in step S301 that no abnormality has occurred (NO in step S301), the process waits until an abnormality occurs.
- step S301 if it is determined that an abnormality has occurred in step S301 (YES in step S301), the process proceeds to step S302.
- step S302 the air conditioner 110, the edge device 120, the server device 130, and the administrator terminal 140 perform an emergency operation start process.
- the details of the emergency operation start process will be described later with reference to FIG.
- step S303 the air conditioner 110 determines whether or not maintenance has been performed by the worker 161. If it is determined in step S303 that maintenance has been performed (YES in step S303), the process proceeds to step S304.
- step S304 the air conditioner 110, the edge device 120, the server device 130, and the administrator terminal 140 perform the first emergency operation termination process.
- the details of the first emergency operation termination process will be described later with reference to FIG.
- step S303 determines whether maintenance has not been performed (NO in step S303). If it is determined in step S303 that maintenance has not been performed (NO in step S303), the process proceeds to step S305.
- step S305 the server device 130 determines whether or not the timing of the advance notice notification has been reached.
- the advance notice means that the emergency operation started in step S302 continues for a predetermined period, so that the emergency operation is automatically performed on the administrator terminal 140 before the automatic stop (when the predetermined emergency operation period elapses). It means to give notice that it will stop.
- the emergency operation period is 7 days, and the timing of the advance notice is the day before the last day of the emergency operation period. That is, in the present embodiment, the advance notice is given on the 6th day after the emergency operation is started.
- step S305 If it is determined in step S305 that the timing of the advance notice has been reached (YES in step S305), the process proceeds to step S306. In step S306, the server device 130 and the administrator terminal 140 perform the advance notice processing, and then proceed to step S307. The details of the advance notice processing will be described later with reference to FIG.
- step S305 determines whether the timing of the advance notice has been reached, or that the timing of the advance notice has already passed (NO in step S305).
- step S307 the server device 130 determines whether or not the emergency operation has continued for a predetermined period (whether or not a predetermined emergency operation period has elapsed). If it is determined in step S307 that the predetermined period has not continued (the predetermined emergency operation period has not elapsed) (NO in step S307), the process returns to step S303.
- step S307 determines whether the predetermined period has continued (the predetermined emergency operation period has elapsed) (if YES in step S307). If it is determined in step S307 that the predetermined period has continued (the predetermined emergency operation period has elapsed) (if YES in step S307), the process proceeds to step S308.
- step S308 the air conditioner 110, the edge device 120, the server device 130, and the administrator terminal 140 perform the second emergency operation termination process.
- the details of the second emergency operation termination process will be described later with reference to FIG.
- the air conditioner control system 100 when the emergency operation is started, the time counting of the emergency operation period is started, and when the emergency operation period has elapsed, the emergency operation is automatically stopped (step S308). 2 Emergency operation end processing). As a result, according to the air conditioner control system 100, it is possible to prevent the emergency operation from continuing for a predetermined period or longer, and it is possible to reduce the risk of failure of the air conditioner during the emergency operation.
- the emergency operation is stopped (first emergency operation end processing in steps S303 and S304).
- the emergency operation can be terminated without waiting for the elapse of the emergency operation period, and the risk of failure of the air conditioner during the emergency operation can be reduced.
- FIG. 4 is an example of a sequence diagram showing the flow of emergency operation start processing. As described above, when it is determined that an abnormality has occurred in the air conditioner 110 (YES in step S301 of FIG. 3), the emergency operation start process shown in FIG. 4 is performed.
- step S401 the air conditioner 110 transmits the abnormality information to the edge device 120.
- step S402 the edge device 120 transmits the abnormality information transmitted from the air conditioner 110 to the server device 130 via the Internet 150.
- step S403 the control unit 131 of the server device 130 confirms the content of the abnormality information transmitted from the edge device 120, and determines whether or not emergency operation is possible. Further, when the control unit 131 of the server device 130 determines that the emergency operation is possible, the control unit 131 refers to the past emergency operation history and determines whether or not the predetermined condition is satisfied.
- control unit 131 of the server device 130 for example, when the same air conditioner 110 is used for emergency operation within a predetermined period (for example, 30 days) due to the same abnormality information (abnormal code). , It is determined that the predetermined conditions are met. On the other hand, in the control unit 131 of the server device 130, for example, when the same air conditioner 110 does not perform emergency operation within a predetermined period (for example, 30 days) due to the same abnormality information (abnormal code). Determines that the predetermined conditions are not met.
- control unit 131 of the server device 130 transmits information for notifying the start guidance of the emergency operation to the administrator terminal 140 in step S404.
- the manager terminal 140 notifies the air conditioner manager 163 of the start guidance of the emergency operation.
- step S405 the air conditioner manager 163 requests the worker 161 for maintenance work and gives an instruction to permit or disallow the emergency operation in response to the notification of the start guidance of the emergency operation. Input to the administrator terminal 140.
- step S406 the administrator terminal 140 transmits the emergency operation permission / rejection information to the server device 130.
- step S407 the control unit 131 of the server device 130 confirms whether the content of the abnormality information has changed, and whether the air conditioner manager 163 permits the emergency operation based on the emergency operation permission / rejection information. Check if you did not allow it.
- step S408 the control unit 131 of the server device 130 outputs information instructing the operation of all indoor units to be stopped. , Is transmitted to the edge device 120 via the Internet 150.
- step S409 the edge device 120 receives the information instructing the operation stop of all the indoor units from the server device 130 and transmits the information to the air conditioner 110.
- the air conditioner 110 stops the operation of all the indoor units (indoor units 111 and 112). As a result, the operation of all indoor units is stopped (however, the cooling / heating mode settings, temperature settings, etc. set for all indoor units are retained).
- step S410 the air conditioner 110 transmits information indicating the state of the air conditioner 110 (that the operation of all indoor units has stopped) at the time of emergency operation to the edge device 120.
- step S411 the edge device 120 transmits information indicating the state of the air conditioner 110 (that the operation of all indoor units has stopped) at the time of emergency operation to the server device 130 via the Internet 150.
- step S412 the control unit 131 of the server device 130 transmits information instructing the setting of emergency operation to the edge device 120 via the Internet 150.
- the information transmitted by the control unit 131 of the server device 130 to the edge device 120 instructing the setting of the emergency operation includes the setting information for the emergency operation (for example, the operation of the outdoor unit 113 is prohibited and the outdoor unit 113 is prohibited from operating. Settings to mask anomaly information) are included. Further, the information instructing the setting of the emergency operation may include information on the emergency operation period (7 days in the present embodiment).
- step S413 the edge device 120 transmits information instructing the setting of emergency operation to the air conditioner 110.
- step S414 the air conditioner 110 activates the setting information for emergency operation included in the information instructing the setting of emergency operation received from the edge device 120.
- step S415 the air conditioner 110 indicates the state of the air conditioner 110 at the time of emergency operation (notice of completion of setting). Is transmitted to the edge device 120.
- step S416 the edge device 120 transmits information indicating the state of the air conditioner 110 during the emergency operation (the setting of the emergency operation is completed) to the server device 130 via the Internet 150.
- step S417 the control unit 131 of the server device 130 confirms that the emergency operation setting has been completed in the air conditioner 110.
- step S4108 the control unit 131 of the server device 130 transmits information to the administrator terminal 140 notifying the success of setting the setting information for emergency operation in the air conditioner 110.
- the manager terminal 140 notifies the air conditioner manager 163 that the setting information for emergency operation has been set in the air conditioner 110.
- step S419 the worker 161 or the air conditioner manager 163 instructs to start the emergency operation based on the setting information for the emergency operation by operating the remote controller of the indoor unit. As a result, the air conditioner 110 starts the emergency operation.
- step S420 the air conditioner 110 transmits information indicating the state of the air conditioner 110 (that the emergency operation has been started) at the time of the emergency operation to the edge device 120.
- step S421 the edge device 120 receives information from the air conditioner 110 indicating the state of the air conditioner 110 (that the emergency operation has started) during the emergency operation, and transmits the information to the server device 130 via the Internet 150. ..
- step S422 the control unit 131 of the server device 130 starts timing the emergency operation period.
- the air conditioner control system 100 After transmitting the information instructing the operation stop of all the indoor units (indoor units 111, 112) of the air conditioner 110, the information instructing the setting of the emergency operation is transmitted. As a result, according to the air conditioner control system 100, even if the setting information for the emergency operation is enabled in the air conditioner 110, the emergency operation is not started immediately. Then, the emergency operation is started only when the worker 161 or the air conditioner manager 163 operates the remote controller of the indoor unit.
- the air conditioner control system 100 for example, when the worker 161 is in the vicinity of the air conditioner 110 and is about to start maintenance, the emergency operation is unintentionally started. It can be avoided. That is, according to the air conditioner control system 100, it is possible to ensure the safety of the worker 161 when starting the emergency operation.
- the server device 130 starts timing the emergency operation period after receiving the information indicating the state of the air conditioner 110 (that the emergency operation has started) during the emergency operation.
- the timing for starting the timing of the emergency operation period is not limited to this.
- the emergency operation period is set. Timekeeping may be started.
- FIG. 5 is an example of a sequence diagram showing the flow of the first emergency operation end process. As described above, when it is determined that the maintenance by the operator 161 has been performed in the air conditioner 110 (YES in step S303 of FIG. 3), the first emergency operation termination process shown in FIG. 5 is performed.
- step S501 the air conditioner 110 transmits information indicating that the maintenance work has been performed by the worker 161 to the edge device 120.
- step S502 the edge device 120 transmits information indicating that the maintenance work has been performed to the server device 130 via the Internet 150.
- step S503 the control unit 131 of the server device 130 sends information indicating that the operation of all the indoor units is stopped in response to the information indicating that the maintenance work has been performed from the edge device 120, to the Internet 150. Is transmitted to the edge device 120 via.
- step S504 the edge device 120 transmits information instructing the stop of operation of all indoor units to the air conditioner 110.
- the air conditioner 110 stops the operation of all the indoor units (indoor units 111 and 112). Further, as the operation of all the indoor units is stopped, the operations of the outdoor units 114 and 115 are also stopped.
- step S505 the air conditioner 110 transmits information indicating the state of the air conditioner 110 (that the operation of all indoor units has stopped) at the time of emergency operation to the edge device 120.
- step S506 the edge device 120 transmits information indicating that the operation of all the indoor units has stopped to the server device 130 via the Internet 150.
- step S507 the control unit 131 of the server device 130 provides information instructing the stop of emergency operation (for example, cancellation of the operation prohibition of the outdoor unit 113, cancellation of the mask of abnormality information of the outdoor unit 113) via the Internet 150. And sends it to the edge device 120.
- the stop of emergency operation for example, cancellation of the operation prohibition of the outdoor unit 113, cancellation of the mask of abnormality information of the outdoor unit 113
- step S508 the edge device 120 transmits information instructing the stop of the emergency operation to the air conditioner 110.
- the setting information for emergency operation is invalidated.
- step S509 the control unit 131 of the server device 130 stops the timing of the emergency operation period. As a result, even if the emergency operation period has elapsed thereafter, the information instructing the air conditioner 110 to stop the emergency operation is not transmitted again from the server device 130.
- the emergency operation can be terminated without waiting for the elapse of the emergency operation period, and the risk of failure of the air conditioner during the emergency operation can be reduced.
- FIG. 6 is an example of a sequence diagram showing the flow of the advance notice notification process and the second emergency operation end process.
- 6a in FIG. 6 is a diagram showing an example of a sequence diagram showing the flow of the advance notice processing.
- the server device 130 determines that the timing of the advance notice has been reached (YES in step S305 of FIG. 3)
- the advance notice process shown in 6a of FIG. 6 is performed.
- step S601 the control unit 131 of the server device 130 transmits the information for notifying the stop of the emergency operation to the administrator terminal 140.
- the manager terminal 140 notifies the air conditioner manager 163 of the suspension of the emergency operation, and the air conditioner manager 163 requests the worker 161 for maintenance work.
- 6b in FIG. 6 is an example of a sequence diagram showing the flow of the second emergency operation end process.
- the server device 130 determines that the emergency operation period has elapsed (YES in step S307 of FIG. 3)
- the second emergency operation end process shown in 6b of FIG. 6 is performed.
- step S611 the control unit 131 of the server device 130 stops the timing of the emergency operation period.
- step S612 the control unit 131 of the server device 130 transmits information instructing the operation stop of all indoor units to the edge device 120 via the Internet 150.
- step S613 the edge device 120 transmits information instructing the stop of operation of all indoor units to the air conditioner 110.
- the air conditioner 110 stops the operation of all the indoor units (indoor units 111 and 112). Further, as the operation of all the indoor units is stopped, the operations of the outdoor units 114 and 115 are also stopped.
- step S614 the air conditioner 110 transmits information indicating the state of the air conditioner 110 (that the operation of all indoor units has stopped) at the time of emergency operation to the edge device 120.
- step S615 the edge device 120 transmits information indicating that the operation of all the indoor units has stopped to the server device 130 via the Internet 150.
- step S616 the control unit 131 of the server device 130 provides information instructing the stop of emergency operation (for example, cancellation of the operation prohibition of the outdoor unit 113, cancellation of the mask of abnormality information of the outdoor unit 113) via the Internet 150. And sends it to the edge device 120.
- the stop of emergency operation for example, cancellation of the operation prohibition of the outdoor unit 113, cancellation of the mask of abnormality information of the outdoor unit 113
- step S617 the edge device 120 transmits information instructing the stop of the emergency operation to the air conditioner 110.
- the setting information for emergency operation is invalidated.
- step S618 the control unit 131 of the server device 130 transmits information notifying the stop of the emergency operation to the administrator terminal 140.
- the manager terminal 140 notifies the air conditioner manager 163 that the emergency operation has stopped, and the air conditioner manager 163 recognizes that the emergency operation has stopped because the emergency operation period has elapsed. do.
- step S617 the setting information for emergency operation is invalidated, so that the mask of the abnormality information of the outdoor unit 113 is released, so that the abnormality information is again sent to the server. It will be transmitted to the device 130.
- the abnormality information transmitted at this time has the same contents (same air conditioner, same abnormality code) as the abnormality information transmitted before the emergency operation is started. Therefore, the server device 130 does not determine that the predetermined condition is satisfied and does not transmit the information for notifying the start guidance of the emergency operation to the administrator terminal 140 again.
- the air conditioner control system 100 when the air conditioner control system 100 receives the abnormality information from the air conditioner, the air conditioner control system 100 transmits the information instructing the air conditioner to set the emergency operation, and when the emergency operation period has elapsed. , Send information instructing the stop of emergency operation. Further, when the air conditioner control system 100 receives information indicating that the maintenance work has been performed from the air conditioner during the emergency operation period, the air conditioner control system 100 transmits information instructing the stop of the emergency operation.
- the air conditioner control system 100 automatically stops the emergency operation when the emergency operation period has elapsed.
- the air conditioner control system 100 it is possible to prevent the emergency operation from continuing for a predetermined period or longer, and it is possible to reduce the risk of failure of the air conditioner during the emergency operation.
- the emergency operation can be terminated without waiting for the elapse of the emergency operation period, and the risk of failure of the air conditioner during the emergency operation can be reduced.
- the air conditioner control system 100 when the air conditioner control system 100 receives the abnormality information from the air conditioner, the air conditioner control system 100 transmits the information instructing the operation stop of all the indoor units of the air conditioner, and then transmits the information instructing the air conditioner to set the emergency operation. do.
- the air conditioner control system 100 even if the setting information for emergency operation is activated in the air conditioner, the emergency operation is not started immediately, and the remote controller of the indoor unit is operated. Emergency operation is started for the first time.
- the air conditioner control system 100 for example, it is possible to avoid a situation in which an emergency operation is unintentionally started when a worker is in the vicinity of the air conditioner and is about to start maintenance. can. That is, according to the air conditioner control system 100, it is possible to ensure the safety of the operator when starting the emergency operation.
- control unit 131 of the server device 130 refers to the past emergency operation history, and is predetermined when the same air conditioner and the emergency operation due to the same abnormality code are performed. It was determined that the conditions were met.
- the method for determining whether or not a predetermined condition is satisfied is not limited to this, and for example, even if the abnormality code is different, if the emergency operation caused by the same air conditioner is performed, the predetermined condition is determined. It may be determined that the condition is met.
- control unit 131 of the server device 130 transmits information instructing the air conditioner to stop the operation of all the indoor units of the air conditioner, and then transmits information instructing the air conditioner to set the emergency operation.
- the information instructing the shutdown of all the indoor units of the air conditioner may be transmitted mainly by the edge device 120.
- the server device 130 may transmit the information instructing the setting of the emergency operation to the edge device 120 without transmitting the information instructing the operation stop of all the indoor units of the air conditioner. Then, the edge device 120 transmits the information instructing the stop of operation of all the indoor units, triggered by the reception of the information instructing the setting of the emergency operation, and then transmits the information instructing the setting of the emergency operation. It may be configured as follows.
- the edge device 120 has a function of transmitting the air conditioner information output by the air conditioner 110 to the server device 130 and transmitting the instruction information transmitted from the server device 130 to the air conditioner 110. It was explained as having. However, the function of the edge device 120 is not limited to this, and may have, for example, a part or all of the functions of the control unit 131 of the server device 130.
- the function of the control unit 131 of the server device 130 may be realized by the processor 221 of the server device 130 or by the processor 201 of the edge device 120. Alternatively, it may be realized by the cooperation of the processor 221 of the server device 130 and the processor 201 of the edge device 120.
- the edge device 120 realizes a part of the functions of the control unit 131 of the server device 130, for example, when the information for instructing the setting of the emergency operation includes the information regarding the emergency operation period, the emergency operation period The case where the edge device 120 executes the timekeeping of the above is mentioned.
- Air conditioner control system 111 Air conditioner control system 111, 112: Indoor unit 113 to 115: Outdoor unit 120: Edge device 130: Server device 131: Control unit 140: Administrator terminal
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Abstract
Description
空調機とサーバ装置とが通信可能に接続される空調機制御システムであって、
前記空調機から異常を示す通知を受信した場合、前記空調機の全室内機の運転停止を指示した後に、前記空調機に応急運転用の設定情報を送信する制御部を有する。
前記制御部は、
前記空調機から、前記設定情報の設定完了の通知を受信した場合に、応急運転用の設定情報の設定に成功したことを報知する。
前記制御部は、
前記設定情報に基づく応急運転が所定期間継続する前に、前記空調機からメンテナンス情報を受信した場合、前記空調機の全室内機の運転停止を指示し、前記空調機に前記応急運転の停止を指示する。
前記空調機は少なくとも複数の室外機を有し、
前記応急運転は、前記複数の室外機のうち、異常が発生した一部の室外機を除く、残りの室外機による運転である。
空調機と通信可能に接続されるサーバ装置であって、
前記空調機から異常を示す通知を受信した場合、前記空調機の全室内機の運転停止を指示した後に、前記空調機に応急運転用の設定情報を送信する制御部を有する。
空調機とサーバ装置とが通信可能に接続される空調機制御システムにおける空調機制御方法であって、
前記空調機から異常を示す通知を受信した場合、前記空調機の全室内機の運転停止を指示した後に、前記空調機に応急運転用の設定情報を送信する制御工程を有する。
<空調機制御システムのシステム構成>
はじめに、空調機制御システムのシステム構成について説明する。図1は、空調機制御システムのシステム構成の一例を示す図である。
次に、エッジ装置120及びサーバ装置130のハードウェア構成について説明する。
図2Aは、エッジ装置のハードウェア構成の一例を示す図である。図2Aに示すように、エッジ装置120は、プロセッサ201、メモリ202、補助記憶装置203、I/F(Interface)装置204、通信装置205、ドライブ装置206を有する。なお、エッジ装置120の各ハードウェアは、バス207を介して相互に接続されている。
図2Bは、サーバ装置のハードウェア構成の一例を示す図である。なお、サーバ装置130のハードウェア構成は、エッジ装置120のハードウェア構成と概ね同じであるため、ここでは、エッジ装置120のハードウェア構成との相違点を中心に説明する。
次に、空調機制御システム100による空調機制御処理の流れについて説明する。図3は、空調機制御システムによる空調機制御処理の流れを示すフローチャートの一例である。
次に、応急運転開始処理(図3のステップS302)の詳細について説明する。図4は、応急運転開始処理の流れを示すシーケンス図の一例である。上述したように、空調機110において異常が発生したと判定された場合(図3のステップS301においてYESの場合)に、図4に示す応急運転開始処理が行われる。
次に、第1の応急運転終了処理(図3のステップS304)の詳細について説明する。図5は、第1の応急運転終了処理の流れを示すシーケンス図の一例である。上述したように、空調機110において、作業者161によるメンテナンスが行われたと判定された場合(図3のステップS303においてYESの場合)、図5に示す第1の応急運転終了処理が行われる。
次に、予告報知処理(図3のステップS306)及び第2の応急運転終了処理(図3のステップS308)の詳細について説明する。図6は、予告報知処理及び第2の応急運転終了処理の流れを示すシーケンス図の一例である。このうち、図6の6aは、予告報知処理の流れを示すシーケンス図の一例を示す図である。
以上の説明から明らかなように、空調機制御システム100は、空調機から異常情報を受信した場合に、空調機に応急運転の設定を指示する情報を送信し、応急運転期間が経過した場合に、応急運転の停止を指示する情報を送信する。更に、空調機制御システム100は、応急運転期間中に、空調機からメンテナンス作業が行われたことを示す情報を受信した場合には、応急運転の停止を指示する情報を送信する。
上記第1の実施形態において、サーバ装置130の制御部131は、過去の応急運転履歴を参照し、同じ空調機、かつ、同じ異常コードに起因する応急運転が行われていた場合に、所定の条件に該当すると判定した。
111、112 :室内機
113~115 :室外機
120 :エッジ装置
130 :サーバ装置
131 :制御部
140 :管理者端末
Claims (6)
- 空調機とサーバ装置とが通信可能に接続される空調機制御システムであって、
前記空調機から異常を示す通知を受信した場合、前記空調機の全室内機の運転停止を指示した後に、前記空調機に応急運転用の設定情報を送信する制御部、
を有する空調機制御システム。 - 前記制御部は、
前記空調機から、前記設定情報の設定完了の通知を受信した場合に、応急運転用の設定情報の設定に成功したことを報知する、請求項1に記載の空調機制御システム。 - 前記制御部は、
前記設定情報に基づく応急運転が所定期間継続する前に、前記空調機からメンテナンス情報を受信した場合、前記空調機の全室内機の運転停止を指示し、前記空調機に前記応急運転の停止を指示する、請求項1に記載の空調機制御システム。 - 前記空調機は少なくとも複数の室外機を有し、
前記応急運転は、前記複数の室外機のうち、異常が発生した一部の室外機を除く、残りの室外機による運転である、請求項3に記載の空調機制御システム。 - 空調機と通信可能に接続されるサーバ装置であって、
前記空調機から異常を示す通知を受信した場合、前記空調機の全室内機の運転停止を指示した後に、前記空調機に応急運転用の設定情報を送信する制御部、
を有するサーバ装置。 - 空調機とサーバ装置とが通信可能に接続される空調機制御システムにおける空調機制御方法であって、
前記空調機から異常を示す通知を受信した場合、前記空調機の全室内機の運転停止を指示した後に、前記空調機に応急運転用の設定情報を送信する制御工程、
を有する空調機制御方法。
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CN202180080505.1A CN116710708A (zh) | 2020-12-01 | 2021-11-16 | 空调机控制系统、服务器装置及空调机控制方法 |
EP21900404.1A EP4257887A4 (en) | 2020-12-01 | 2021-11-16 | AIR CONDITIONER CONTROL SYSTEM, SERVER DEVICE AND AIR CONDITIONER CONTROL METHOD |
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