WO2019163297A1 - Dispositif de réécriture, système de réécriture, procédé de réécriture, et programme de commande - Google Patents

Dispositif de réécriture, système de réécriture, procédé de réécriture, et programme de commande Download PDF

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Publication number
WO2019163297A1
WO2019163297A1 PCT/JP2018/048496 JP2018048496W WO2019163297A1 WO 2019163297 A1 WO2019163297 A1 WO 2019163297A1 JP 2018048496 W JP2018048496 W JP 2018048496W WO 2019163297 A1 WO2019163297 A1 WO 2019163297A1
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WIPO (PCT)
Prior art keywords
rewriting
unit
software
update
program
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PCT/JP2018/048496
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English (en)
Japanese (ja)
Inventor
高橋　和良
横浜　浩二
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三菱重工サーマルシステムズ株式会社
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Publication of WO2019163297A1 publication Critical patent/WO2019163297A1/fr

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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
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/54—Control or safety arrangements characterised by user interfaces or communication using one central controller connected to several sub-controllers
    • 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • 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 rewriting device, a rewriting system, a rewriting method, and a control program.
  • Patent Document 1 describes a technology related to an air conditioner that can easily rewrite operation control information.
  • An object of the present invention is to provide a rewriting device, a rewriting system, a rewriting method, and a control program that can solve the above-described problems.
  • the rewriting device is based on the communication unit that transmits and receives the connected air conditioner information indicating the information of the other device connected to the network and the device, and the connected air conditioner information.
  • a device selection unit that selects a device for updating software; and an update unit that updates software of a device whose software is to be updated by the device selection unit.
  • the rewriting device includes an inquiry unit that inquires of a master device whether or not the process of updating the software can be performed, and a communication network when the inquiry is made.
  • An inquiry unit that answers whether or not the process of updating the software based on the traffic volume and the connected air conditioner information is possible, and the inquiry unit when the software is updated by another rewriting device.
  • the above function may be invalidated and the function of the answering unit may be validated.
  • the rewriting device includes an inquiry unit that inquires of a master device whether or not the process of updating the software can be performed, and a communication network when the inquiry is made.
  • the function of the inquiry unit may be validated and the function of the answer unit may be invalidated.
  • a rewriting system includes the rewriting device according to any one of the first to third aspects, and an air conditioning device capable of updating the software of another air conditioning device. Prepare.
  • the rewriting method includes: transmitting / receiving connected air conditioner information indicating information on a device with another communication unit; and updating the software based on the connected air conditioner information. Selecting and updating the software of the device for which the software is to be updated.
  • control program transmits / receives connection air conditioner information indicating information of other communication units and devices to the computer, and updates the software based on the connection air conditioner information. Selecting a device to be updated, and updating the software of the device for which the software is to be updated.
  • the software of a plurality of air conditioners can be efficiently rewritten.
  • the rewriting system 1 includes an air conditioning system 10 and a rewriting device 20.
  • the rewriting system 1 is a system that connects the rewriting device 20 to the air conditioning system 10 via a communication network (NW) and updates the outdoor unit and software of the indoor unit in the air conditioning system 10.
  • NW communication network
  • the air conditioning system 10 includes outdoor units 101, 102, 103, 104, and indoor units 105, 106, 107, 108, 109, 110, 111, 112.
  • the outdoor units 101, 102, 103, 104 and the indoor units 105, 106, 107, 108, 109, 110, 111, 112 cooperate to provide air conditioning in response to a user request.
  • Each of the outdoor units 101, 102, 103, 104 and the indoor units 105, 106, 107, 108, 109, 110, 111, 112 includes a rewriting device 100 as shown in FIG. As illustrated in FIG.
  • the rewriting device 100 includes a communication unit 1001, a device selection unit 1002, an update unit 1003, and a storage unit 1004.
  • the rewriting device 100 is, for example, a computer.
  • the rewriting device 100 may be a device control board microcomputer provided in the air conditioning system 10 in advance, and in that case, it is not necessary to newly provide it in order to rewrite the program.
  • the communication unit 1001 transmits / receives connected air conditioning device information to / from a communication unit of another device connected to the communication network, and has a function corresponding to a device information acquisition unit 201 of the rewriting device 20 described later.
  • the connected air conditioner information here includes, for example, information indicating the version of the program, information indicating that the program is being updated, information indicating the type of device, and device number (device communication address) as shown in FIG. Information indicating whether or not the vehicle is in operation, and the status of each device.
  • the program includes information indicating the device to which the program is applied, whether the program change content is a program related to communication control, and whether the program change content is a program related to refrigerant control. Yes.
  • the device selection unit 1002 selects a device whose software is to be updated based on the connected air conditioning device information.
  • the update unit 1003 updates the software of the device for which the device selection unit 1002 is to update the software.
  • the storage unit 1004 stores various information necessary for processing performed by the rewriting device 100.
  • the storage unit 1004 stores, for example, the connected air conditioner information shown in FIG.
  • the rewriting device 20 includes a device information acquisition unit 201, a device selection unit 202, an update unit 203, and a storage unit 204.
  • the rewriting device 20 is a computer, for example.
  • the device information acquisition unit 201 acquires all the connected air conditioning device information of the air conditioning system 10 connected to the communication network NW.
  • the device information acquisition unit 201 in FIG. 1 includes outdoor units 101, 102, 103, 104, indoor units 105, 106, 107, 108, 109, 110, 111 connected to the air conditioning control communication network. , 112 is acquired.
  • the device selection unit 202 selects a device whose software is to be updated based on the connected air conditioning device information.
  • the update unit 203 updates the software of the device whose software is to be updated by the device selection unit 202.
  • the storage unit 204 stores various information necessary for processing performed by the rewriting device 20.
  • the storage unit 204 stores, for example, the connected air conditioner information shown in FIG.
  • the person in charge of the operation performs an operation of selecting a rewriting program (that is, software to be updated) with respect to the rewriting device 20.
  • a rewriting program that is, software to be updated
  • each device is associated with a software version. Therefore, selecting the rewriting program is equivalent to selecting the model of the device to be updated.
  • the device information acquisition unit 201 acquires the connected air conditioning device information from the communication network according to the operation by the worker.
  • the device information acquisition unit 201 causes the storage unit 204 to store the acquired connected air conditioning device information.
  • the device selection unit 202 reads the connected air conditioning device information from the storage unit 204.
  • the device selection unit 202 determines the presence / absence of a device that has not been updated based on the read connection air conditioning device information and the rewriting program. For example, the device selection unit 202 determines that there is a device whose program has not been updated when there is a device whose program is older than the rewriting program in the connected air conditioning device information.
  • the device selection unit 202 determines that there is no device that has not been updated when there is no device whose program is older than the rewriting program in the connected air conditioning device information.
  • the processing ends. If there is another rewriting program, the worker in charge may select a new rewriting program.
  • the device selection unit 202 performs a process of selecting a device for updating the program according to the priority order.
  • the update unit 203 updates the program of the device (for example, the indoor unit 105 in FIG. 1) selected as a target for software update by the device selection unit 202 (step S1).
  • the rewriting device 20 releases the connection with the air conditioning control communication network.
  • the indoor unit 105 shown in FIG. 6A is in a state where it can acquire and create the connected air conditioner information, and can start updating the program of other air conditioners (step S2). .
  • the communication unit 1001 confirms the network connection of the other device (step S3) and determines the communication network connection of the other device (step S4) in order to search for a device for updating the software.
  • the device selection unit 1002 tries to update the software version of the device.
  • the software version is compared to determine whether the versions match (step S5). If the device selection unit 1002 determines that the versions match (“match” in step S5), the device selection unit 1002 determines whether or not software update confirmation has been completed for the device numbers (communication addresses) of all devices. (Step S6). If the device selection unit 1002 determines that the confirmation of the software update has been completed (“complete” in step S6), the device selection unit 1002 completes the program update operation (step S7). In addition, when the device selection unit 1002 determines that the software update confirmation has not been completed for all the communication network connection devices (“incomplete” in step S6), the device selection unit 1002 returns to the process of step S4.
  • step S4 If the same model as the indoor unit 105 is not found in the connected air conditioning device information (“No” in step S4), the device selection unit 1002 proceeds to the process of step S6.
  • step S5 If the device selection unit 1002 determines that the versions do not match (“mismatch” in step S5), the device selection unit 1002 prepares to rewrite the program for the target device (for example, the indoor unit 106 shown in FIG. 6). Is performed (step S8).
  • the update unit 1003 performs a process of rewriting the program by transferring the rewritten data to the target device (step S9).
  • the update unit 1003 confirms the rewriting result, updates the connected air conditioning device information, and transmits an instruction to reset the device (that is, to validate the rewritten program) to the target device (step S10). .
  • the update part 1003 returns to the process of step S4.
  • the device that has received the instruction to reset the device from the updating unit 1003 updates the program, and thereafter, as a new device that updates other programs, as shown in FIG. Operate. Then, each of the rewriting device 100 of the indoor unit 105 and the rewriting device 100 of the indoor unit 106 updates the programs of the indoor unit 107 and the indoor unit 108 as shown in FIG. When the program is updated, each of the indoor unit 107 and the indoor unit 108 is in a state where the programs of other devices can be rewritten in the same manner as the indoor unit 105 and the indoor unit 106. For example, as shown in FIG. 6D, the indoor unit 105, the indoor unit 106, the indoor unit 107, and the indoor unit 108 update the programs of the indoor unit 109, the indoor unit 110, the indoor unit 111, and the indoor unit 112. To do.
  • each of the outdoor units 101, 102, 103, 104 and the indoor units 105, 106, 107, 108, 109, 110, 111, 112 includes a rewriting device 100.
  • the communication unit 1001 transmits / receives the connected air conditioner information to other communication units.
  • the device selection unit 1002 selects a device whose software is to be updated based on connected air conditioning device information indicating device information.
  • the update unit 1003 updates the software of the device for which the device selection unit 202 is to update the software.
  • each of the outdoor units 101, 102, 103, and 104 and the indoor units 105, 106, 107, 108, 109, 110, 111, and 112 has a function of updating the software of another device, so that the rewriting system can be used. 1, the number of devices that update software of other devices can be increased. As a result, the rewriting device 100 can efficiently rewrite the software of a plurality of air conditioners.
  • the rewriting device 20 according to the first embodiment of the present invention has been described as releasing the connection with the air conditioning control communication network after the process of step S1. However, the rewriting device 20 according to another embodiment of the present invention may remain connected to the air conditioning control communication network after the process of step S1.
  • each rewriting device 100 capable of rewriting a program of another device individually acquires / stores the connected air conditioning device information, and executes the program based on the stored connected air conditioning device information.
  • the device to be rewritten was selected. For this reason, there is connected air-conditioning equipment information having a plurality of different information, and all connected air-conditioning equipment information does not become the same information until processing is completed for all equipment, that is, different equipment executes the same processing. There is a possibility that useless processing may occur.
  • each rewriting device 100 generates a large amount of communication traffic due to simultaneous and frequent rewriting work, thereby causing a failure in the communication network. Therefore, in the rewriting system 1 according to the second embodiment of the present invention, only one master device determines whether or not program rewriting to other devices can be performed, thereby causing unnecessary processing and a large amount of communication traffic. To prevent.
  • the rewriting system 1 according to the second embodiment of the present invention includes an air conditioning system 10 and a rewriting device 20 as in the rewriting system 1 according to the first embodiment of the present invention.
  • the air conditioning system 10 includes outdoor units 101, 102, 103, 104 and indoor units 105, 106, 107, 108, 109, 110, 111, 112.
  • Each of the outdoor units 101, 102, 103, 104 and the indoor units 105, 106, 107, 108, 109, 110, 111, 112 includes a rewriting device 100.
  • the rewriting device 100 includes a communication unit 1001, a device selection unit 1002, an update unit 1003, a storage unit 1004, an inquiry unit 1005, and an answer unit 1006.
  • the rewriting device 100 is, for example, a computer.
  • the inquiry unit 1005 inquires of the master device whether or not the process of rewriting the program can be performed. When there is an inquiry from the inquiry unit 1005, the answer unit 1006 answers whether or not the process of rewriting the program based on the connected air conditioner information is possible.
  • the first air conditioner whose program has been rewritten by the rewriting device 20 disables the function of the inquiry unit 1005 and enables the function of the response unit 1006. Then, the answer unit 1006 notifies other devices via the communication unit 1001 that it becomes a master device. The device notified from the master device that it will become the master device enables the function of the inquiry unit 1005 and disables the function of the response unit 1006.
  • the first updated device is the first air-conditioning device whose program has been rewritten by the rewriting device 20, the function of the inquiry unit 1005 is invalidated, and the function of the answer unit 1006 is validated.
  • the update device is a device whose program has been rewritten by another device, and the function of the inquiry unit 1005 is enabled and the function of the response unit 1006 is disabled.
  • the device selection unit 1002 of the updated device detects a device whose program has not been updated (step S11). Therefore, the inquiry unit 1005 of the update device makes an inquiry to the first update device as to whether or not the program can be rewritten (step S12). By the processing in step S12, the rewriting device 100 can confirm the address of the program update target device.
  • the reply unit 1006 of the first update device receives an inquiry as to whether or not program rewriting can be performed from the update device via the communication unit 1001 (step S13).
  • the reply unit 1006 of the first update device monitors the communication traffic volume (step S14).
  • the reply unit 1006 of the first update device determines whether or not the program can be rewritten (step S15). For example, when the monitored communication traffic volume exceeds a threshold value indicating a predetermined traffic volume, the answer unit 1006 of the first update device determines that the program cannot be rewritten ("No" in step S15).
  • the update device is instructed to stop the rewriting work (step S16).
  • the answer unit 1006 of the first update device determines that the program can be rewritten when the monitored communication traffic volume does not exceed a threshold value indicating a predetermined traffic volume ("Yes" in step S15). ), The update device is commanded to perform the rewriting work (step S17).
  • the device selection unit 1002 of the update device receives the instruction to cancel the rewrite work from the first update device (step S18), stops the rewrite work, and clears information related to the rewrite processing (step S19).
  • the device selection unit 1002 for the updated device waits for a certain period of time, and then performs a process of detecting a device whose program has not been updated, similar to step S11 (step S20). Then, the inquiry unit 1005 of the update device makes an inquiry to the first update device as to whether or not the program can be rewritten, similarly to step S12 (step S21).
  • the update unit 1003 starts the rewrite operation (step S23) and completes the rewrite operation (step S22). S24).
  • the rewriting device 100 includes a communication unit 1001, a device selection unit 1002, an update unit 1003, a storage unit 1004, an inquiry unit 1005, and an answer unit 1006.
  • the inquiry unit 1005 inquires of the master device whether or not the process of rewriting the program is possible.
  • the answer unit 1006 answers whether or not the process of rewriting the program based on the connected air conditioner information is possible.
  • the first air conditioner whose program has been rewritten by the rewriting device 20 disables the function of the inquiry unit 1005 and enables the function of the response unit 1006.
  • the reply unit 1006 notifies other devices that it will become the master device via the communication unit 1001.
  • the device notified from the master device that it will become the master device enables the function of the inquiry unit 1005 and disables the function of the response unit 1006.
  • the first update device becomes the master device, and by sending an instruction to determine whether or not to rewrite the program to other update devices, the update device wastes more than the rewrite system 1 in the first embodiment of the present invention. Processing and communication traffic volume are reduced.
  • a rewriting system 1 according to a third embodiment of the present invention will be described. Similar to the rewriting system 1 according to the second embodiment of the present invention, the rewriting system 1 according to the third embodiment of the present invention allows only one master device to determine whether or not program rewriting to other devices can be performed. , Preventing unnecessary processing and a great deal of communication traffic. However, the rewriting system 1 according to the second exemplary embodiment of the present invention inquires whether or not another device can rewrite the program to one master device, and the master device answers the inquiry. However, in the rewriting system 1 according to the third embodiment of the present invention, when a device serving as a master has a process of rewriting a program, the device is instructed to the other device.
  • the rewriting system 1 according to the third embodiment of the present invention includes an air conditioning system 10 and a rewriting device 20 as in the rewriting system 1 according to the second embodiment of the present invention.
  • the air conditioning system 10 includes outdoor units 101, 102, 103, 104 and indoor units 105, 106, 107, 108, 109, 110, 111, 112.
  • Each of the outdoor units 101, 102, 103, 104 and the indoor units 105, 106, 107, 108, 109, 110, 111, 112 includes a rewriting device 100.
  • the rewriting device 100 includes a communication unit 1001, a device selection unit 1002, an update unit 1003, a storage unit 1004, and an instruction unit 1007.
  • the rewriting device 100 is, for example, a computer.
  • the instruction unit 1007 transmits a command for processing to rewrite the program based on the connected air conditioning equipment information.
  • the first air conditioner whose program has been rewritten by the rewriting device 20 validates the function of the instruction unit 1007 and notifies other devices via the communication unit 1001 that it becomes a master device.
  • the device that is notified that the master device becomes the master device invalidates the function of the instruction unit 1007.
  • the processing flow of the master device shown in FIG. 10 will be described. It is assumed that the first updated device is the first air conditioning device whose program has been rewritten by the rewriting device 20 and the function of the instruction unit 1007 is enabled.
  • the update device is a device whose program has been rewritten by another device, and the function of the instruction unit 1007 is invalidated.
  • the device selection unit 1002 reads the connected air conditioning device information from the storage unit 1004, and acquires the update status of the program (step S31).
  • the device selection unit 1002 selects devices for which the program has not been updated in the connected air conditioning device information, and extracts the smallest device number among the device numbers (addresses) of those devices (step S32).
  • the device selection unit 1002 determines whether there is an updated device that is being rewritten (step S33).
  • step S33 If the device selection unit 1002 determines that there is no program that is not being rewritten (“none” in step S33), the device selection unit 1002 performs the process in step S33 again. If the device selection unit 1002 determines that there is a program that is not being rewritten (“Yes” in step S33), the device selection unit 1002 associates the updated device with the device that has not been updated (step S33). Step S34).
  • the instruction unit 1007 monitors the amount of communication traffic (step S35).
  • the instruction unit 1007 determines whether program rewriting can be performed and determines the number of simultaneous rewriting operations (step S36).
  • the instruction unit 1007 determines that the program cannot be rewritten, for example, when the monitored communication traffic volume exceeds a threshold value indicating a predetermined traffic volume (“impossible” in step S36), and the process of step S35 is performed. return.
  • the instruction unit 1007 determines that the program can be rewritten, for example, when the monitored communication traffic volume does not exceed the threshold value indicating the predetermined traffic volume ("executable” in step S36), and the update is performed.
  • a command to rewrite the program is given to the device that has been completed (step S37). Then, the instruction unit 1007 returns to the process of step S31.
  • the renewal work execution instruction transmitted from the first update device instruction unit 1007 to the update device includes the device number (address) to be updated.
  • the update unit 1003 can perform a task of rewriting the program of the update target device by establishing communication with the update target device.
  • the rewriting device 100 includes a communication unit 1001, a device selection unit 1002, an update unit 1003, a storage unit 1004, and an instruction unit 1007.
  • the instruction unit 1007 transmits a command for processing to rewrite the program based on the connected air conditioning equipment information.
  • the first air conditioner whose program has been rewritten by the rewriting device 20 enables the function of the instruction unit 1007.
  • the device that is notified that the master device becomes the master device invalidates the function of the instruction unit 1007. In this way, the first update device becomes the master device, and by sending an instruction to determine whether or not to rewrite the program to other update devices, the update device wastes more than the rewrite system 1 in the first embodiment of the present invention. Processing is reduced.
  • a rewriting system 1 according to a fourth embodiment of the present invention will be described.
  • a device that has been in charge of program rewriting control (corresponding to the master machine in the second and third embodiments) can perform the program rewriting control processing for some reason. There is a possibility of disappearing. Therefore, in the rewriting system 1 according to the fourth embodiment of the present invention, a device that has been responsible for program rewriting transfers the rewriting control processing to another device.
  • the rewriting system 1 according to the fourth embodiment of the present invention includes an air conditioning system 10 and a rewriting device 20 as with the rewriting system 1 according to the first embodiment of the present invention.
  • the air conditioning system 10 includes outdoor units 101, 102, 103, 104 and indoor units 105, 106, 107, 108, 109, 110, 111, 112.
  • Each of the outdoor units 101, 102, 103, 104 and the indoor units 105, 106, 107, 108, 109, 110, 111, 112 includes a rewriting device 100.
  • the rewriting device 100 includes a communication unit 1001, a device selection unit 1002, an update unit 1003, a storage unit 1004, a transfer destination selection unit 1008, and a transfer response unit 1009.
  • the rewriting device 100 is, for example, a computer.
  • the transfer destination selection unit 1008 inquires other devices about transfer of the rewrite control process via the communication unit 1001. When there is a process transfer inquiry from the transfer destination selection unit 1008, the transfer response unit 1009 answers whether or not to receive the transfer.
  • the update unit 1003 of the update device performs a control process for updating the program (step S41).
  • the update unit 1003 of the update device determines whether an abnormality has occurred in the update device (step S42).
  • the update device 1003 of the update device determines that no abnormality has occurred in the update device (“not generated” in step S42)
  • the update device 1003 returns to the process of step S41.
  • the transfer destination selection unit 1008 selects a transfer destination candidate (step S44). For example, the transfer destination selecting unit 1008 selects a device whose device operation state is stopped as a transfer destination candidate.
  • the transfer destination selection unit 1008 inquires about transfer of processing to the selected device (step S45).
  • the transfer response unit 1009 of the selected device answers whether or not to receive the transfer.
  • the process returns to the process of step S44.
  • the renewal device transfer destination selection unit 1008 receives a response from the transfer response unit 1009 of the selected device that it receives a transfer (“transfer OK” in step S45)
  • all of the devices connected to the communication network NW are received.
  • the device that has received the transfer is notified to the device (step S46).
  • the transfer device transfer destination selection unit 1008 ends the process of updating the program (step S47).
  • the rewriting device 100 includes a communication unit 1001, a device selection unit 1002, an update unit 1003, a storage unit 1004, a transfer destination selection unit 1008, and a transfer response unit 1009.
  • the transfer destination selection unit 1008 inquires about transfer of processing to another device via the communication unit 1001.
  • the transfer response unit 1009 answers whether or not to receive the transfer.
  • the renewal system in the fourth embodiment of the present invention allows the update device to inquire about transfer of control processing for rewriting a program to another device and answer whether or not the inquired device receives the transfer.
  • the rewriting system 1 in place of a device for which control processing for rewriting a program becomes difficult, control processing for rewriting a program by another device can be performed.
  • the rewriting system 1 according to the fourth exemplary embodiment of the present invention can efficiently rewrite the software of a plurality of air conditioners even when the device includes a device in which a control process for rewriting a program is difficult.
  • the transferred device may transfer control processing for updating the program to another device.
  • a rewriting system 1 according to a fifth embodiment of the present invention will be described.
  • the device for which the program rewriting control becomes difficult spontaneously selects a transfer destination.
  • the device that updated the program is performed by which device and the number indicating the number on the network is updated.
  • the control process for updating the program is transferred to a device close to the master on which the program is updated first.
  • the device selection unit 1002 for the updated device detects a device whose program has not been updated (step S51). Therefore, the inquiry unit 1005 of the update device inquires of the update control device whether the program can be rewritten (step S52).
  • the device selection unit 1002 of the update device counts the number of times when there is no response from the update control device, and determines whether or not the number is equal to or greater than a predetermined number (N times) (step S53).
  • the device selection unit 1002 of the updated device returns the process to step S52 when the number of times there is no answer is less than the predetermined number ("less than N times" in step S53).
  • the device selection unit 1002 of the update device determines that there is no update control device, that is, an update device, when the number of times of no answer is equal to or greater than a predetermined number (“N times or more” in step S53) (step S54). .
  • the device selection unit 1002 of the update device compares the update number of the update control device determined to be nonexistent with the update number of its own update device, and the update number of its own update device is next to the update number of the update control device. It is determined whether it is a number (step S55).
  • the device selection unit 1002 of the update device determines that the update number of its own update device is the next number after the update number of the update control device (“next to the current update device” in step S55)
  • the update device selection unit 1002 It notifies all connected devices that its own update device has performed update control processing (step S56). And the apparatus selection part 1002 of an update apparatus completes the process which own update apparatus receives an update control process (step S57).
  • step S58 the device selection unit 1002 of the update device determines that the update number of its own update device is not the number next to the update number of the update control device (“other” in step S55). If the device selection unit 1002 of the update device determines that the transfer destination has been determined within a certain time (“determination: reception of notification” in step S58), the device selection unit 1002 returns to the operation of updating the program and inquires whether update is possible (step S60). ). In addition, if the device selection unit 1002 of the update device determines that the transfer destination is not determined for a certain period of time (“determined for a certain time or longer” in step S58), the current update control device (in step S54 does not exist). 1 is added to the update order of the determined update device (step S59). And the apparatus selection part 1002 of an update apparatus returns to the process of step S55.
  • the device selection unit 1002 counts the number of times when there is no response from the update control device, and determines whether or not the number is equal to or greater than a predetermined number (N times). To do.
  • the device selection unit 1002 of the update device determines that there is no update control device when the number of times there is no response is a predetermined number or more.
  • the device selection unit 1002 of the update device compares the update number of the update control device determined to be nonexistent with the update number of its own update device, and the update number of its own update device is next to the update number of the update control device. It is determined whether or not the number is a number.
  • the device selection unit 1002 of the update device determines itself for all devices connected to the communication network NW. That the update device has been in charge of the update control process. In this way, when the program update is completed, a number indicating which device has performed the update operation of the program and what number was performed on the network is stored in the updated device.
  • the rewriting system 1 transfers control processing for updating a program to a device close to the master on which the program is updated first when the function for updating the program is lost. can do.
  • the storage units 204 and 1004 and other storage units in each embodiment of the present invention may be provided anywhere within a range in which appropriate information is transmitted and received.
  • the storage units 204 and 1004 and other storage units may exist in a range in which appropriate information is transmitted and received, and data may be distributed and stored.
  • the order of processing may be changed within a range where appropriate processing is performed.
  • the storage units 204 and 1004 and the storage devices (including registers and latches) in the embodiment of the present invention may be provided anywhere within a range where appropriate information is transmitted and received.
  • each of the storage units 204 and 1004 and the storage device may exist in a range in which appropriate information is transmitted and received, and data may be distributed and stored.
  • FIG. 13 is a schematic block diagram illustrating a configuration of a computer according to at least one embodiment.
  • the computer 50 includes a CPU 60, a main memory 70, a storage 80, and an interface 90.
  • the above-described rewriting device 20 outdoor units 101, 102, 103, 104, indoor units 105, 106, 107, 108, 109, 110, 111, 112, and other control devices are mounted on the computer 50. .
  • the operation of each processing unit described above is stored in the storage 80 in the form of a program.
  • the CPU 60 reads the program from the storage 80, expands it in the main memory 70, and executes the above processing according to the program. Further, the CPU 60 secures a storage area corresponding to each of the storage units described above in the main memory 70 according to the program.
  • Examples of the storage 80 are HDD (Hard Disk Drive), SSD (Solid State Drive), magnetic disk, magneto-optical disk, CD-ROM (Compact Disc Only Memory), DVD-ROM (Digital VersatileDistributionMissiveMediaDistributionMix). And semiconductor memory.
  • the storage 80 may be an internal medium directly connected to the bus of the computer 50, or may be an external medium connected to the computer 50 via the interface 90 or a communication line. When this program is distributed to the computer 50 through a communication line, the computer 50 that has received the distribution may develop the program in the main memory 70 and execute the above-described processing.
  • storage 80 is a non-transitory tangible storage medium.
  • the above program may realize part of the functions described above. Further, the program may be a so-called difference file (difference program) that can realize the above-described functions in combination with a program already recorded in the computer system.
  • difference file difference program
  • the software of a plurality of air conditioners can be efficiently rewritten.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • Software Systems (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Computer Security & Cryptography (AREA)
  • Stored Programmes (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

L'invention concerne un dispositif de réécriture qui comprend : une unité de communication qui transmet à une autre unité de communication ou reçoit de celle-ci, des informations d'appareil de conditionnement d'air connectées indiquant des informations sur un appareil ; une unité de sélection d'appareil qui sélectionne, sur la base des informations d'appareil de conditionnement d'air connectées, un appareil dans lequel un logiciel doit être mis à jour ; et une unité de mise à jour qui met à jour le logiciel de l'appareil qui est devenu un appareil qui est sélectionné par l'unité de sélection d'appareil et dans lequel le logiciel doit être mis à jour.
PCT/JP2018/048496 2018-02-21 2018-12-28 Dispositif de réécriture, système de réécriture, procédé de réécriture, et programme de commande WO2019163297A1 (fr)

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JP2018029162A JP2019144901A (ja) 2018-02-21 2018-02-21 書き換え装置、書き換えシステム、書き換え方法及び制御プログラム

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JP2022127736A (ja) * 2021-02-22 2022-09-01 三菱重工サーマルシステムズ株式会社 更新装置、室内外機、更新システム、更新方法およびプログラム
CN113757950B (zh) * 2021-09-14 2023-04-11 北京小米移动软件有限公司 空调器的程序升级方法、装置、空调器和存储介质

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