WO2020003379A1 - Système de maintenance, carte pour une maintenance et procédé d'écriture de données - Google Patents

Système de maintenance, carte pour une maintenance et procédé d'écriture de données Download PDF

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Publication number
WO2020003379A1
WO2020003379A1 PCT/JP2018/024192 JP2018024192W WO2020003379A1 WO 2020003379 A1 WO2020003379 A1 WO 2020003379A1 JP 2018024192 W JP2018024192 W JP 2018024192W WO 2020003379 A1 WO2020003379 A1 WO 2020003379A1
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WIPO (PCT)
Prior art keywords
air conditioner
board
power supply
maintenance
data
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PCT/JP2018/024192
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English (en)
Japanese (ja)
Inventor
町田　芳広
山梨　良幸
山本　裕二
Original Assignee
日立ジョンソンコントロールズ空調株式会社
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Application filed by 日立ジョンソンコントロールズ空調株式会社 filed Critical 日立ジョンソンコントロールズ空調株式会社
Priority to JP2019505090A priority Critical patent/JPWO2020003379A1/ja
Priority to PCT/JP2018/024192 priority patent/WO2020003379A1/fr
Priority to TW107126979A priority patent/TWI688862B/zh
Publication of WO2020003379A1 publication Critical patent/WO2020003379A1/fr

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates

Definitions

  • the present invention relates to a maintenance system, a maintenance board, and a data writing method for a device that operates based on firmware.
  • Industrial equipment such as air conditioning equipment is intended for commercial use, so it is necessary to take prompt action in the event of a breakdown.
  • a failure related to an electric component there is a case where the failure is dealt with by replacement with a maintenance board.
  • an electronic board is designed to be compatible with a plurality of products, and performs an operation corresponding to a target product specification by writing a predetermined firmware (a program for operating the board).
  • Patent Document 1 As a background art in this technical field, there is a technique disclosed in Patent Document 1.
  • a server device obtains identification data of a maintenance support device from a mobile phone, transmits a maintenance program associated with the identification data to the mobile phone device, and performs maintenance on a new board after replacement. Describes how to incorporate the program.
  • Patent Literature 1 Although the maintenance program can be written on the new board after replacement, the information of the original device that has failed cannot be transferred to the new board after replacement. Was.
  • the present invention has been made in view of the above circumstances, and an object thereof is to write firmware on a maintenance board to be replaced with an electronic board and to transfer information held on the electronic board to the maintenance board. It is an object of the present invention to provide a maintenance system, a maintenance board, and a data writing method capable of performing the above.
  • a maintenance system includes a data management device that manages firmware written on a maintenance board that can be replaced with an electronic board, and a firmware that writes the firmware on the maintenance board.
  • a data rewriting device for transferring predetermined information held on the electronic board to the maintenance board.
  • FIG. 1 is a block diagram illustrating a configuration of a maintenance system before and after board replacement according to the first embodiment.
  • FIG. 2 is a block diagram illustrating a configuration example of the air conditioner of FIG.
  • FIG. 3 is a block diagram showing a configuration example of the data rewriting device of FIG.
  • FIG. 4 is a block diagram showing a configuration example of the air conditioner data management device of FIG.
  • FIG. 5 is a diagram showing a configuration example of the device information of FIG.
  • FIG. 6 is a diagram showing a data reading sequence from the air conditioner board of FIG.
  • FIG. 7 is a diagram showing a data write sequence to the air conditioner maintenance board of FIG.
  • FIG. 8 is a flowchart showing the operation of the data rewriting device of FIG. 1 when reading data.
  • FIG. 1 is a block diagram illustrating a configuration of a maintenance system before and after board replacement according to the first embodiment.
  • FIG. 2 is a block diagram illustrating a configuration example of the air conditioner of FIG.
  • FIG. 9 is a flowchart showing the operation of the data rewriting device of FIG. 1 when writing data.
  • FIG. 10 is a flowchart illustrating an operation when the air conditioner in FIG. 1 fails.
  • FIG. 11 is a flowchart showing the operation of the air conditioner of FIG. 1 at the time of substrate replacement.
  • FIG. 12 is a diagram illustrating a data reading sequence from an air conditioner board of the maintenance system according to the second embodiment.
  • FIG. 13 is a diagram illustrating a data write sequence to the air conditioner maintenance board of the maintenance system according to the second embodiment.
  • FIG. 14 is a diagram illustrating a data write sequence to the air conditioner data management device of the maintenance system according to the second embodiment.
  • FIG. 15 is a block diagram illustrating a configuration example of an air conditioner of the maintenance system according to the third embodiment.
  • FIG. 16 is a block diagram illustrating a configuration example of a data rewriting device of a maintenance system according to the third embodiment.
  • FIG. 17 is a diagram illustrating a data write sequence to an air conditioner maintenance board of the maintenance system according to the third embodiment.
  • FIG. 1 is a block diagram illustrating a configuration of a maintenance system before and after board replacement according to the first embodiment.
  • the maintenance system includes an air conditioner (hereinafter, referred to as an air conditioner) 11, an air conditioner maintenance board 12, a data rewriting device 13, and an air conditioner data management device 14.
  • the air conditioner 11 includes an air conditioner board 17.
  • the air conditioner board 17 is replaceable with the air conditioner maintenance board 12.
  • the air conditioner board 17 and the air conditioner maintenance board 12 are electronic boards having the same configuration.
  • the air conditioner board 17 holds firmware 17A and device information 17B.
  • the firmware 17A is a program for operating the air conditioner board 17.
  • the device information 17B is information on the air conditioner 11.
  • the device information 17B can include, for example, information unique to the air conditioner 11, control information of the air conditioner 11, and operation information of the air conditioner 11.
  • the air conditioner data management device 14 manages the firmware 12A written on the air conditioner maintenance board 12.
  • the air conditioner data management device 14 is, for example, a server.
  • the data rewriting device 13 writes the firmware 12A on the air conditioner maintenance board 12, and transfers the device information 17B held on the air conditioner board 17 to the air conditioner maintenance board 12 as the device information 12B.
  • the data rewriting device 13 is, for example, a mobile terminal such as a smartphone that can be connected to a mobile communication network.
  • the data rewriting device 13 can transmit and receive data between the air conditioner board 17 and the air conditioner maintenance board 12 by the short-range wireless communication 15.
  • the short-range wireless communication 15 is, for example, wireless communication such as NFC (Near Field Communication) (registered trademark), Bluetooth (registered trademark), IEEE 802.11, or the like.
  • the data rewriting device 13 and the air conditioner data management device 14 are connected via a communication network 16.
  • the communication network 16 is, for example, a mobile communication network or the Internet.
  • the processor on the air conditioner board 17 controls the air conditioner 11 by executing the firmware 17A. At this time, the processor on the air conditioner board 17 can update the device information 17B according to the operation state of the air conditioner 11.
  • the air conditioner 11 fails, the air conditioner 11 is repaired by replacing the air conditioner board 17 with the air conditioner maintenance board 12.
  • the data rewriting device 13 reads the device information 17B from the air conditioner board 17 (P1), acquires the firmware 12A from the air conditioner data management device 14 based on the device information 17B (P2), and responds to the device information 17B.
  • the device information 12B and firmware 12A to be written are written on the air conditioner maintenance board 12 (P3, P4).
  • the air conditioner maintenance board 12 receives the device information 12B corresponding to the device information 17B from the data rewriting device 13 and stores it (P3).
  • the air conditioner maintenance board 12 receives and stores the firmware 12A from the data rewriting device 13 (P4).
  • the air conditioner maintenance board 12 can store the device information 12B corresponding to the device information 17B held on the electronic board, and can store the firmware 12A that operates based on the device information 12B. Therefore, even when the air conditioner 11 fails, the firmware 12A corresponding to the air conditioner 11 can be arbitrarily incorporated into the air conditioner maintenance board 12, and the maintenance work load can be reduced. In addition, the firmware 12A can be executed while the air conditioner 11 before the failure is matched with the state.
  • FIG. 2 is a block diagram illustrating a configuration example of the air conditioner of FIG. 2, the air conditioner 11 includes an air conditioner board 17, a load 22, and a power supply 23.
  • the load 22 is a fan, a compressor, or the like.
  • the power supply 23 supplies power to the air conditioner board 17 and the load 22.
  • the air conditioner board 17 includes power supply blocks 20A and 21A.
  • the power supply block 20A includes a control unit 201, a main storage unit 203, storage units 202 and 204, and a communication unit 205.
  • the control unit 201 is hardware that controls the operation of the air conditioner 11.
  • the control unit 201 is, for example, a microcomputer (microcomputer).
  • the main storage unit 203 can store a program being executed by the control unit 201 or provide a work area for the control unit 201 to execute the program.
  • the main storage unit 203 is, for example, a semiconductor memory such as an SRAM (Static Random Access Memory) or a DRAM (Dynamic Random Access Memory).
  • the storage unit 202 is a nonvolatile storage device having a large storage capacity.
  • the storage unit 202 is, for example, a FLASH-ROM.
  • the storage unit 202 holds the firmware 17A.
  • the storage unit 204 is a nonvolatile storage device having a longer life than the storage unit 202.
  • the storage unit 204 is, for example, an EEPROM (Electrically ⁇ Erasable ⁇ Programmable ⁇ Read ⁇ Only ⁇ Memory).
  • the communication unit 205 performs communication with another air conditioner.
  • the power supply block 21A includes a control unit 211, a storage unit 212, and a communication unit 213.
  • the power supply block 21 ⁇ / b> A can be operated by an induced electromotive force generated by an electromagnetic wave from the data rewriting device 13 without power supply from the power supply 23.
  • the power supply block 21A can be configured by, for example, an NFC tag.
  • the control unit 211 is hardware that controls data communication and reading / writing.
  • the control unit 211 is, for example, a logic circuit.
  • the storage unit 212 is a nonvolatile storage device that stores data.
  • the storage unit 212 is, for example, an FeRAM (Ferroelectric Random Access Memory).
  • the storage unit 212 holds the device information 17B.
  • the device information 17B may be stored in the storage unit 204.
  • the communication unit 213 performs short-range wireless communication.
  • the communication unit 213 can communicate with an induced electromotive force generated by an electromagnetic wave from the data rewriting device 13.
  • the control unit 201 reads the firmware 17A from the storage unit 202 and expands the firmware 17A in the main storage unit 203. Then, the control unit 201 controls the operation of the air conditioner 11 by executing the deployed firmware 17A.
  • the control unit 201 reads and writes air conditioner data in the storage unit 204 and reads and writes air conditioner data in the storage unit 212 via the control unit 211. At this time, the control unit 201 controls the operation of the air conditioner 11 with reference to the device information 17B stored in the storage unit 212.
  • the control unit 201 updates the device information 17B based on the operation status of the air conditioner 11.
  • the operation state of the air conditioner 11 is, for example, the operation time of the air conditioner 11.
  • the communication unit 213 performs communication with the data rewriting device 13. Then, the control unit 211 reads and writes data in the storage unit 212 based on a request from the data rewriting device 13. Further, the control unit 211 reads and writes data in the storage unit 212 based on a request from the control unit 201.
  • FIG. 3 is a block diagram showing a configuration example of the data rewriting device of FIG. 3, the data rewriting device 13 includes a control unit 31, a main storage unit 32, storage units 33 and 34, and communication units 35 and 36.
  • the control unit 31 is hardware that controls the operation of the data rewriting device 13.
  • the control unit 31 is, for example, a microcomputer.
  • the main storage unit 32 can store a program being executed by the control unit 31 or provide a work area for the control unit 31 to execute the program.
  • the main storage unit 32 is, for example, a semiconductor memory such as an SRAM or a DRAM.
  • the storage unit 33 is a nonvolatile storage device having a large storage capacity.
  • the storage unit 33 is, for example, a FLASH-ROM.
  • the storage unit 33 holds a rewriting program 33A.
  • the storage unit 34 is a portable nonvolatile storage device.
  • the storage unit 34 is detachable from the data rewriting device 13.
  • the storage unit 34 is, for example, an SD card or a USB memory.
  • the communication unit 35 performs communication via the communication network 16.
  • the communication unit 36 performs short-range wireless communication 15 such as NFC.
  • the control unit 31 reads out the rewriting program 33A from the storage unit 33 and expands the rewriting program 33A in the main storage unit 32. Then, the control unit 31 controls the operation of the data rewriting device 13 by executing the developed rewriting program 33A. At this time, the control unit 31 transmits and receives data to and from the air conditioner board 17 and the air conditioner maintenance board 12 by performing the short-range wireless communication 15 via the communication unit 36. The control unit 31 transmits and receives data to and from the air conditioner data management device 14 by performing communication via the communication unit 35.
  • the control unit 31 can transmit and receive data to and from the air conditioner data management device 14 via the communication network 16 in an environment where communication by the communication unit 35 is possible. In an environment where communication by the communication unit 35 is not possible, the control unit 31 can transfer data to and from the air conditioner data management device 14 by reading and writing data to and from the storage unit 34. .
  • FIG. 4 is a block diagram showing a configuration example of the air conditioner data management device of FIG. 4, the air conditioner data management device 14 includes a control unit 41, a main storage unit 42, a communication unit 43, an air conditioner data storage unit 44, and a storage unit 45.
  • the control unit 41 is hardware that controls the operation of the air conditioner data management device 14.
  • the control unit 41 is, for example, a microcomputer.
  • the main storage unit 42 can store a program being executed by the control unit 41 or provide a work area for the control unit 41 to execute the program.
  • the main storage unit 42 is, for example, a semiconductor memory such as an SRAM or a DRAM.
  • the air conditioner data storage unit 44 is a nonvolatile storage device having a large storage capacity.
  • the air conditioner data storage unit 44 is, for example, a hard disk device or an SSD (Solid State Drive).
  • the air conditioner data storage unit 44 stores the firmware 441 of the air conditioner 11 and the air conditioner installation information 442.
  • the air conditioner installation information 442 can hold a failure flag indicating a failure of the air conditioner 11 in addition to information on the installation position of the air conditioner 11. Further, the air conditioner installation information 442 can also hold the device information 17B of the air conditioner 11.
  • the storage unit 45 is a portable nonvolatile storage device. The storage unit 45 is detachable from the air conditioner data management device 14. The storage unit 45 is, for example, an SD card or a USB memory.
  • the communication unit 43 performs communication via the communication network 16. At this time, the control unit 41 transmits and receives data to and from the data rewriting device 13 by performing communication via the communication unit 43.
  • the control unit 41 can transmit and receive data to and from the data rewriting device 13 via the communication network 16 in an environment where communication by the communication unit 43 is possible. In an environment where communication by the communication unit 43 is not possible, the control unit 41 can transfer data to and from the data rewriting device 13 by reading and writing data to and from the storage unit 45.
  • FIG. 5 is a diagram showing a configuration example of the device information of FIG.
  • the device information 17B includes an ID indicating an individual value for each air conditioner board 17, the device type of the air conditioner 11, the device number which is a serial number of the air conditioner 11, and the fan control which is control information for each device type.
  • the parameters include the parameters F1 and F2, the actuator parameters A1 and A2, the accumulated operation time of the air conditioner 11, the number of errors, the firmware version recorded in the storage unit 202, and the like.
  • the reading attribute can be set for each information, and the ID is recorded in a non-rewritable area.
  • the fan control parameters F1 and F2 and the actuator parameters A1 and A2 can be specified for each device type, device number, and device type of the air conditioner 11.
  • the fan control parameters F1 and F2 and the actuator parameters A1 and A2 are control information and need only be written once at the first time, and are recorded, for example, at the time of product shipment.
  • the accumulated operation time and the number of times of occurrence of an error are updated periodically during the operation of the air conditioner.
  • FIG. 6 is a diagram showing a data reading sequence from the air conditioner board of FIG.
  • the control unit 201 appropriately updates the accumulated operation time, the number of times of error occurrence, and the like of the device information 17B stored in the storage unit 212 during the operation of the air conditioner 11 (S601).
  • the data rewriting device 13 makes a communication connection with the power supply block 21A of the air conditioner 11 (S603).
  • the power supply block 21A of the air conditioner 11 operates by the induced electromotive force of the data rewriting device 13, and responds to the data rewriting device 13 (S604).
  • the power supply block 21 ⁇ / b> A operates by the induced electromotive force of the data rewriting device 13, and can respond to the data rewriting device 13 even when power cannot be supplied from the power supply 23 due to a failure of the air conditioner 11.
  • the data rewriting device 13 queries the power supply block 21A for the ID of the air conditioner board 17 stored in the storage unit 212 (S605).
  • the power supply block 21A returns the ID of the air conditioner board 17 to the data rewriting device 13 (S606).
  • the data rewriting device 13 transmits the ID of the air conditioner board 17 to the air conditioner data management device 14 (S607). At this time, it is possible to notify the air conditioner data management device 14 that the air conditioner 11 having the ID of the air conditioner board 17 has failed.
  • the air conditioner data management device 14 changes the state of the air conditioner 11 corresponding to the received ID from the air conditioner installation information 442 recorded in the air conditioner data storage unit 44 to a failure state (S608). .
  • the air conditioner data management device 14 responds to the data rewriting device 13 that the state of the air conditioner 11 has been changed (S609).
  • the data rewriting device 13 inquires the power supply block 21A about the device information 17B stored in the storage unit 212 (S610). Next, the power supply block 21A responds to the data rewriting device 13 with the device information 17B (S611).
  • the data rewriting device 13 notifies the air conditioner data management device 14 of the device information 17B acquired from the power supply block 21A (S612).
  • the air conditioner data management device 14 updates the device information 17B of the air conditioner 11 corresponding to the air conditioner installation information 442 corresponding to the ID acquired in S607 (S613).
  • the air conditioner data management device 14 responds to the data rewriting device 13 that the device information 17B has been updated (S614).
  • the data rewrite device 13 reads the device information 17B of the failed air conditioner 11, and reads the air conditioner data.
  • the air conditioner installation information 442 managed by the management device 14 can be updated, and the air conditioner data management device 14 can centrally manage the failure state of the air conditioner 11.
  • the power supply block 21A of the air conditioner 11 can operate by induced electromotive force using the electromagnetic wave transmitted by the data rewriting device 13, and the data rewriting device 13 can operate the device even when the air conditioner 11 does not operate due to a failure.
  • Information 17B can be read.
  • FIG. 7 is a diagram showing a data write sequence to the air conditioner maintenance board of FIG.
  • the air conditioner maintenance board 12 includes power supply blocks 20B and 21B.
  • the power supply blocks 20B and 21B can be configured similarly to the power supply blocks 20A and 21A of the air conditioner board 17 in FIG.
  • the data rewriting device 13 is communicatively connected to the power supply block 21B of the air conditioner maintenance board 12 (S621).
  • the power supply block 21B of the air conditioner maintenance board 12 operates by the induced electromotive force of the data rewriting device 13, and responds to the data rewriting device 13 (S622).
  • the data rewriting device 13 inquires of the power supply block 21B about the ID of the air conditioner maintenance board 12 (S623).
  • the power supply block 21B of the air conditioner maintenance board 12 responds the ID of the air conditioner maintenance board 12 to the data rewriting device 13 (S624).
  • the data rewriting device 13 transmits the ID of the air conditioner maintenance board 12 to the air conditioner data management device 14 (S625).
  • the air conditioner data management device 14 can be notified that the data rewriting device 13 is to be replaced with the air conditioner maintenance board 12 having the acquired ID.
  • the air conditioner data management device 14 changes the device information of the air conditioner corresponding to the ID of the air conditioner board 17 acquired in S607 of FIG. 6 to the ID of the air conditioner maintenance board 12 acquired in S625. Is performed (S626).
  • the air conditioner data management device 14 responds to the data rewriting device 13 that the ID grouping has been changed (S627).
  • the data rewriting device 13 writes the device information 17B of the air conditioner board 17 obtained in S611 of FIG. 6 as the device information 12B in the storage unit of the power supply block 21B of the air conditioner maintenance board 12 (S628).
  • the power supply block 21B responds to the data rewriting device 13 that the device information 12B has been written (S629).
  • the data rewriting device 13 inquires the air conditioner data management device 14 of the firmware corresponding to the device type recorded in the device information 17B of the air conditioner board 17 acquired in S611 of FIG. 6 (S630). Next, the air conditioner data management device 14 responds to the data rewriting device 13 with the latest firmware and version number corresponding to the device type (S631).
  • the air conditioner maintenance board 12 is replaced with the air conditioner board 17 of the failed air conditioner 11, is incorporated in the air conditioner 11, and is energized (S632).
  • the air conditioner maintenance board 12 performs an initial startup (S633).
  • the power supply block 20B reads the device information 12B from the storage unit of the power supply block 21B (S634), and operates according to the device information 12B.
  • the data rewriting device 13 transmits the firmware 12A acquired in S631 to the power supply block 21B of the air conditioner maintenance board 12.
  • the power supply block 21B of the air conditioner maintenance board 12 receives the firmware 12A via the communication unit of the power supply block 21B, and transmits the firmware 12A from the control unit of the power supply block 21B to the control unit of the power supply block 20B (S635).
  • control unit of the power supply block 20B records the firmware 12A received from the power supply block 21B in the storage unit of the power supply block 20B (S636).
  • control unit of the power supply block 20B performs a restart (S637).
  • the control unit of the power supply block 20B updates, for example, the device information 12B including the version number of the firmware 12A via the control unit of the power supply block 21B (S638).
  • the data rewriting device 13 inquires about the device information 12B stored in the storage unit of the power supply block 21B (S639).
  • the power supply block 21B responds the device information 12B to the data rewriting device 13 (S640).
  • the data rewriting device 13 notifies the air conditioner data management device 14 of the device information 12B acquired from the power supply block 21B (S641).
  • the air conditioner data management device 14 updates the device information 12B of the corresponding air conditioner 11 in the air conditioner installation information 442 corresponding to the ID of the air conditioner maintenance board 12 acquired in S625 (S642).
  • the air conditioner data management device 14 responds to the data rewriting device 13 that the device information 12B has been updated (S643).
  • the device information 17B of the failed air conditioner 11 can be transferred to the air conditioner maintenance board 12 after replacement.
  • the power supply block 21B of the air conditioner maintenance board 12 operates by the induced electromotive force using the electromagnetic wave transmitted by the data rewriting device 13, so that even when power is not supplied to the air conditioner maintenance board 12, the power 12B can be written.
  • the air conditioner 11 is operated under the same conditions as before the failure according to the device type and control information recorded in the device information 12B. Can be done.
  • FIG. 8 is a flowchart showing the operation of the data rewriting device of FIG. 1 when reading data.
  • the data rewriting device 13 is communicatively connected to the power supply block 21A of the air conditioner board 17 (S701).
  • the data rewriting device 13 checks whether or not the response from the air conditioner board 17 is the target device (S702). Whether or not the device is the target device can be confirmed, for example, by matching the communication protocol. When determining that the data rewriting device 13 is the target device in S702, the data rewriting device 13 inquires the ID of the air conditioner board 17 to the power supply block 21A (S703).
  • the data rewriting device 13 checks whether the ID received from the power supply block 21A is a predetermined ID managed in advance (S704). When the data rewriting device 13 determines that the ID is correct in S704, the data rewriting device 13 notifies the air conditioner data management device 14 that the air conditioner 11 having the ID has failed (S705). Next, the data rewriting device 13 queries the power supply block 21A for device information 17B of the air conditioner 11 (S706).
  • the data rewriting device 13 checks whether the device information 17B obtained from the power supply block 21A is correct (S707). For example, the data rewriting device 13 checks whether the content of the device information 17B is correct by using a CRC (Cyclic ⁇ Redundancy ⁇ Check) or the like. On the other hand, if correct information cannot be received in S702, S704 or S707, an error notification is made on the display screen (not shown) of the data rewriting device 13, and the process ends (S708).
  • CRC Cyclic ⁇ Redundancy ⁇ Check
  • FIG. 9 is a flowchart showing the operation of the data rewriting device of FIG. 1 when writing data.
  • the data rewriting device 13 is communicatively connected to the power supply block 21B of the air conditioner maintenance board 12 (S710).
  • the data rewriting device 13 checks whether or not the response from the air conditioner maintenance board 12 is the target device (S711). Whether or not the device is the target device can be confirmed, for example, by matching the communication protocol. When determining that the data rewriting device 13 is the target device in S711, the data rewriting device 13 inquires the power supply block 21B of the ID of the air conditioner maintenance board 12 (S712).
  • the data rewriting device 13 checks whether the ID received from the power supply block 21B is a predetermined ID managed in advance (S713). When the data rewriting device 13 determines that the ID is correct in S713, the data rewriting device 13 notifies the air conditioner data management device 14 that it is to be replaced with the air conditioning maintenance board 12 having the ID (S714). Next, the data rewriting device 13 writes the device information 17B acquired in S706 of FIG. 8 as device information 12B into the storage unit of the power supply block 21B of the air conditioner maintenance board 12 (S715).
  • the data rewriting device 13 inquires the air conditioner data management device 14 about the firmware 12A corresponding to the device type recorded in the device information 17B acquired in S706 (S716). Next, the data rewriting device 13 transmits the firmware 12A acquired in S631 of FIG. 7 to the air conditioner maintenance board 12 (S717).
  • the data rewriting device 13 queries the power supply block 21B for device information 12B of the air conditioner 11 (S718). ). Next, the data rewriting device 13 checks whether the device information 12B acquired from the power supply block 21B is correct. For example, the data rewriting device 13 checks whether the content of the device information 12B is correct by using a CRC or the like.
  • the data rewriting device 13 determines that the device information 12B is correct in S719, the data rewriting device 13 notifies the air conditioner data management device 14 of the device information 12B acquired from the power supply block 21B (S720). On the other hand, if correct information cannot be received in S711, S713, or S719, an error notification is made on the display screen (not shown) of the data rewriting device 13, and the process ends (S721).
  • FIG. 10 is a flowchart illustrating an operation when the air conditioner in FIG. 1 fails.
  • the air conditioner 11 performs a normal operation (S801).
  • the control unit 201 in FIG. 2 determines whether or not a failure has occurred in the air conditioner 11 (S802). If no failure of the air conditioner 11 has occurred, the control unit 201 checks whether or not it is time to update the device information 17B (S803).
  • control unit 201 updates the accumulated operation time and the number of times of error occurrence of the device information 17B recorded in the storage unit 212 via the control unit 211 (S804), and returns to S801.
  • the control unit 201 checks whether an error such as a communication error has occurred (S805). If there is no error, the process returns to S801. If there is an error, the process proceeds to S804.
  • the air conditioner 11 stops operating (S806).
  • the power supply block 21A of the air conditioner 11 is communicatively connected to the data rewriting device 13, and receives an inquiry about the ID of the air conditioner board 17 from the data rewriting device 13 (S807).
  • the power supply block 21A checks whether or not the transmission of the data rewriting device 13 is the target device (S808). Whether or not the device is the target device can be confirmed, for example, by matching the communication protocol. If the transmission of the data rewriting device 13 is not the target device, the process ends.
  • the power supply block 21A returns the ID of the air conditioner board 17 to the data rewriting device 13 (S809).
  • the power supply block 21A responds to the inquiry about the device information 17B from the data rewriting device 13 (S810).
  • FIG. 11 is a flowchart showing the operation of the air conditioner of FIG. 1 at the time of substrate replacement.
  • the air conditioner maintenance board 12 is replaced with the air conditioner board 17 of the failed air conditioner 11, incorporated in the air conditioner 11, and turned on, and then performs initial startup (S 820).
  • the control unit of the power supply block 20B reads the device information 12B from the storage unit of the power supply block 21B (S821).
  • control unit of the power supply block 20B operates according to the control information recorded in the read device information 12B (S822).
  • the control unit of the power supply block 20B receives the firmware from the data rewriting device 13 via the power supply block 21B (S823).
  • the control unit of the power supply block 20B determines whether the firmware received from the data rewriting device 13 is newer than the currently recorded firmware and needs to be updated (S824). If it is not necessary to update the firmware, the process proceeds to S830. On the other hand, if the firmware needs to be updated, the firmware is received from the data rewriting device 13 (S825).
  • control unit of the power supply block 20B determines whether the reception of the firmware has been completed (S826). If the reception of the firmware has not been completed, the process returns to S825. On the other hand, when the reception of the firmware is completed, the power supply block 20B is restarted (S827).
  • the control unit of the power supply block 20B reads the device information 12B from the storage unit of the power supply block 21B (S828). Next, the control unit of the power supply block 20B operates according to the control information recorded in the read device information 12B (S829).
  • the control unit of the power supply block 20B updates, for example, the device information 12B including the firmware version number (S830).
  • the power supply block 21B receives an inquiry about the device information 12B stored in the storage unit of the power supply block 21B from the data rewriting device 13 (S831).
  • the power supply block 21B returns the device information 12B to the data rewriting device 13 (S832).
  • the maintenance system of the second embodiment can be configured similarly to the maintenance system of the first embodiment.
  • FIG. 12 is a diagram illustrating a data reading sequence from an air conditioner board of the maintenance system according to the second embodiment.
  • the data rewriting device 13 inquires about the device type based on the installation information of the failed air conditioner 11 (S901). At this time, the maintenance staff can hear the installation information of the faulty air conditioner 11 when notified of the fault of the air conditioner 11. Then, the maintenance staff can input the installation information of the failed air conditioner 11 to the data rewriting device 13. Next, the air conditioner data management device 14 responds to the data rewriting device 13 with type information corresponding to the installation information of the air conditioner 11 (S902).
  • the data rewriting device 13 inquires of the air conditioner data management device 14 about the firmware corresponding to the obtained model information (S903).
  • the air conditioner data management device 14 responds to the data rewriting device 13 with the latest firmware and version number corresponding to the type information (S904).
  • the data rewriting device 13 may use the storage unit 34 of FIG. 3 and the storage unit 45 of FIG. 4 in order to obtain the firmware from the air conditioner data management device 14.
  • An SD card can be used as the storage unit 34 in FIG. 3 and the storage unit 45 in FIG.
  • the SD card is mounted on the air conditioner data management device 14, and the firmware is written to the SD card.
  • the SD card on which the firmware has been written can be removed from the air conditioner data management device 14, the SD card can be mounted on the data rewriting device 13, and the firmware can be written on the data rewriting device 13 from the SD card.
  • the maintenance person moves to the installation location of the air conditioner 11 with the air conditioner maintenance board 12 and the data rewriting device 13.
  • the data rewriting device 13 is communicatively connected to the power supply block 21A of the air conditioner 11 (S905).
  • the power supply block 21A of the air conditioner 11 operates by the induced electromotive force of the data rewriting device 13, and responds to the data rewriting device 13 (S906).
  • the data rewriting device 13 inquires the power supply block 21A of the ID of the air conditioner board 17 stored in the storage unit 212 of the power supply block 21A (S907).
  • the power supply block 21A responds to the data rewriting device 13 with the ID of the air conditioner board 17 (S908).
  • the data rewriting device 13 queries the power supply block 21A for the device information 17B stored in the storage unit 212 (S909).
  • the power supply block 21A returns the device information 17B to the data rewriting device 13 (S910).
  • FIG. 13 is a diagram illustrating a data write sequence to the air conditioner maintenance board of the maintenance system according to the second embodiment.
  • the data rewriting device 13 is communicatively connected to the power supply block 21B of the air conditioner maintenance board 12 (S920).
  • the power supply block 21B of the air conditioner maintenance board 12 operates by the induced electromotive force of the data rewriting device 13, and responds to the data rewriting device 13 (S921).
  • the data rewriting device 13 inquires of the power supply block 21B about the ID of the air conditioner maintenance board 12 (S922).
  • the power supply block 21B of the air conditioner maintenance board 12 responds the ID of the air conditioner maintenance board 12 to the data rewriting device 13 (S923).
  • the data rewriting device 13 writes the device information 17B of the air conditioner board 17 acquired in S910 of FIG. 12 as the device information 12B in the storage unit of the power supply block 21B of the air conditioner maintenance board 12 (S924).
  • the power supply block 21B responds to the data rewriting device 13 that the device information 12B has been written (S925).
  • the air conditioner maintenance board 12 is replaced with the air conditioner board 17 of the failed air conditioner 11, is incorporated in the air conditioner 11, and is energized (S926).
  • the air conditioner maintenance board 12 performs an initial startup (S927).
  • the power supply block 20B reads the device information 12B from the storage unit of the power supply block 21B (S928), and operates according to the device information 12B.
  • the data rewriting device 13 transmits the firmware 12A acquired in S904 of FIG. 12 to the power supply block 21B of the air conditioner maintenance board 12.
  • the power supply block 21B of the air conditioner maintenance board 12 receives the firmware 12A via the communication unit of the power supply block 21B, and transmits the firmware 12A from the control unit of the power supply block 21B to the control unit of the power supply block 20B (S929).
  • control unit of the power supply block 20B records the firmware 12A received from the power supply block 21B in the storage unit of the power supply block 20B (S930).
  • control unit of the power supply block 20B performs a restart (S931).
  • the control unit of the power supply block 20B updates, for example, the device information 12B including the version number of the firmware 12A via the control unit of the power supply block 21B (S932).
  • the data rewriting device 13 inquires about the device information 12B stored in the storage unit of the power supply block 21B (S933).
  • the power supply block 21B responds the device information 12B to the data rewriting device 13 (S934).
  • FIG. 14 is a diagram showing a data write sequence to the air conditioner data management device of the maintenance system according to the second embodiment.
  • the processing in FIG. 14 is performed after the board replacement operation of the air conditioner 11 by performing the processing in S609, S613, S626, and S642 in FIG.
  • the data rewriting device 13 notifies the air conditioner data management device 14 that the air conditioner having the ID acquired in S908 in FIG. 12 has failed (S950).
  • the air conditioner data management device 14 changes the state of the air conditioner 11 corresponding to the received ID from the air conditioner installation information 442 recorded in the air conditioner data storage unit 44 to a failure state (S951). .
  • the air conditioner data management device 14 responds to the data rewriting device 13 that the state of the air conditioner 11 has been changed (S952).
  • the data rewriting device 13 notifies the air conditioner data management device 14 of the device information 17B acquired in S910 of FIG. 12 (S953).
  • the air conditioner data management device 14 updates the device information 17B of the air conditioner 11 corresponding to the air conditioner installation information 442 corresponding to the ID acquired in S950 (S954).
  • the air conditioner data management device 14 responds to the data rewriting device 13 that the device information 17B has been updated (S955).
  • the data rewriting device 13 notifies the air conditioner data management device 14 that it has been replaced with the air conditioning maintenance board 12 having the ID acquired in S923 of FIG. 13 (S956).
  • the air conditioner data management device 14 changes the device information of the air conditioner 11 corresponding to the ID of the air conditioner board 17 obtained in S950 to correspond to the ID of the air conditioner maintenance board 12 obtained in S956. (S957).
  • the air conditioner data management device 14 responds to the data rewriting device 13 that the ID grouping has been changed (S958).
  • the data rewriting device 13 notifies the air conditioner data management device 14 of the device information 12B acquired in S934 of FIG. 13 (S959).
  • the air conditioner data management device 14 updates the device information 12B of the air conditioner 11 corresponding to the air conditioner installation information 442 corresponding to the ID of the air conditioner maintenance board 12 acquired in S956 (S960).
  • the air conditioner data management device 14 responds to the data rewriting device 13 that the device information 12B has been updated (S961).
  • FIG. 15 is a block diagram illustrating a configuration example of an air conditioner of the maintenance system according to the third embodiment.
  • the air conditioner 11 of FIG. 15 includes an air conditioner board 117 instead of the air conditioner board 17 of FIG.
  • the air conditioner board 117 includes power supply blocks 20C and 21A.
  • the power supply block 20C has a communication unit 214 added to the power supply block 20A of FIG.
  • the communication unit 214 performs short-range wireless communication such as Bluetooth.
  • the communication unit 213 operates with induced electromotive force using electromagnetic waves, whereas the communication unit 214 operates with power supplied from the power supply 23.
  • the communication unit 214 can perform higher-speed communication than the communication unit 213.
  • FIG. 16 is a block diagram illustrating a configuration example of a data rewriting device of a maintenance system according to the third embodiment.
  • the data rewriting device 113 of FIG. 16 has a communication unit 37 added to the data rewriting device 13 of FIG.
  • the communication unit 37 performs short-range wireless communication such as Bluetooth.
  • the communication unit 37 can perform higher-speed communication than the communication unit 36.
  • FIG. 17 is a diagram showing a data write sequence to the air conditioner maintenance board of the maintenance system according to the third embodiment.
  • the air conditioner board 117 and the data rewriting device 113 perform the same processing as the processing of FIG.
  • the air conditioner maintenance board 112 and the data rewriting device 113 perform the following processing of FIG.
  • the air conditioner maintenance board 112 includes power supply blocks 20D and 21B.
  • the power supply block 20D can be configured similarly to the power supply block 20C of the air conditioner board 117 in FIG.
  • the power supply block 20D executes the processing of S635A instead of S635 of FIG.
  • the power supply block 20D executes the same processing as that of the power supply block 20B in FIG. 7 except for the processing in S635A.
  • the data rewriting device 13 transmits the firmware 12A acquired in S631 to the power supply block 20D of the air conditioner maintenance board 112 (S635A).
  • the control unit of the power supply block 20D of the air conditioner maintenance board 112 records the firmware 12A received from the data rewriting device 13 in the storage unit of the power supply block 20D (S636).
  • the data rewriting device 13 can write the firmware 12A into the power supply block 20D of the air conditioner maintenance board 112 without passing through the power supply block 21B. Therefore, the data rewriting device 13 can speed up the writing of the firmware 12A as compared with the writing method of the firmware 12A of FIG.
  • a method of writing data on a board used for an air conditioner has been described as an example.
  • the present invention may be applied to a method for writing data on a board used for a water heater, or may be applied to other electronic devices.
  • the present invention may be applied to a data writing method for a substrate used.

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  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Software Systems (AREA)
  • Quality & Reliability (AREA)
  • Computer Security & Cryptography (AREA)
  • Air Conditioning Control Device (AREA)
  • Stored Programmes (AREA)
  • Retry When Errors Occur (AREA)

Abstract

La présente invention comprend : une carte électronique; une carte pour une maintenance qui peut être échangée avec la carte électronique; un dispositif de gestion de données qui gère un micrologiciel écrit dans la carte pour une maintenance; et un dispositif de réécriture de données qui écrit le micrologiciel dans la carte pour une maintenance et transfère des informations qui ont été conservées dans la carte électronique, à la carte pour une maintenance. La carte pour une maintenance reçoit et stocke les informations sur la base de l'énergie fournie par le dispositif de réécriture de données, reçoit le micrologiciel sur la base de l'énergie fournie par le dispositif de réécriture de données, et stocke le micrologiciel sur la base de l'énergie fournie par un appareil. Le dispositif de réécriture de données lit les informations à partir de la carte électronique, acquiert le micrologiciel à partir du dispositif de gestion de données sur la base des informations et écrit les informations et le micrologiciel dans la carte pour une maintenance.
PCT/JP2018/024192 2018-06-26 2018-06-26 Système de maintenance, carte pour une maintenance et procédé d'écriture de données WO2020003379A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2019505090A JPWO2020003379A1 (ja) 2018-06-26 2018-06-26 保守システム、保守用基板およびデータ書込方法
PCT/JP2018/024192 WO2020003379A1 (fr) 2018-06-26 2018-06-26 Système de maintenance, carte pour une maintenance et procédé d'écriture de données
TW107126979A TWI688862B (zh) 2018-06-26 2018-08-03 維護系統、維護用基板及資料寫入方法

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JP2010152641A (ja) * 2008-12-25 2010-07-08 Mitsubishi Electric Corp データ書換システム
JP2013228185A (ja) * 2012-03-26 2013-11-07 Mitsubishi Electric Corp 空気調和機の操作端末
JP2014085766A (ja) * 2012-10-22 2014-05-12 Nec Corp バージョン管理装置、機器、情報処理システム、バージョン管理方法、および、コンピュータ・プログラム

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