WO2024127834A1 - Dispositif de gestion de pneus et procédé de gestion de pneus - Google Patents

Dispositif de gestion de pneus et procédé de gestion de pneus Download PDF

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Publication number
WO2024127834A1
WO2024127834A1 PCT/JP2023/039106 JP2023039106W WO2024127834A1 WO 2024127834 A1 WO2024127834 A1 WO 2024127834A1 JP 2023039106 W JP2023039106 W JP 2023039106W WO 2024127834 A1 WO2024127834 A1 WO 2024127834A1
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WIPO (PCT)
Prior art keywords
tire
information
transmitter
confusion
linked
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PCT/JP2023/039106
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English (en)
Japanese (ja)
Inventor
雄仁 鎌田
裕二郎 伊藤
裕紀 星野
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株式会社ブリヂストン
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Publication of WO2024127834A1 publication Critical patent/WO2024127834A1/fr

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  • This disclosure relates to a tire management device and a tire management method.
  • Patent Document 1 discloses a tire in which an RFID tag is placed in the area surrounding the bead core, enabling traceability even if the tire is damaged.
  • information is read from the RFID tag through short-range wireless communication with a reader device.
  • large tires such as OR (Off the Road) tires used on construction vehicles, may have multiple RFID tags built in so that the information can be read by a reader device fixed to the equipment, for example. While this makes it easier to read information, it can also cause confusion when a reader device obtains information from multiple RFID tags. In other words, with conventional technology, it was difficult to determine whether the information from multiple RFID tags was from one tire or included information from other tires.
  • the purpose of this disclosure is to provide a tire management device and a tire management method that can determine whether or not there is confusion in the information obtained from tires equipped with built-in transmitters.
  • a tire management device for managing tires having built-in transmitters, an acquisition unit that acquires tire management data including transmitter ID information read from the transmitter built in a work target tire that is a work target among the tires and tire ID information of the tire linked to the transmitter ID information;
  • the system is provided with a determination unit that determines that there is no confusion when the acquired transmitter ID information is multiple and all of the tire ID information linked to the multiple transmitter ID information matches, and that there is confusion when some of the tire ID information linked to the multiple transmitter ID information do not match.
  • the acquisition unit acquires data on the number of transmitters according to the type of the tire
  • the determination unit determines that the confusion has occurred when the number of the acquired transmitter ID information exceeds the number of transmitters corresponding to the type of the work target tire.
  • a tire management device for managing tires having built-in transmitters, an acquisition unit that acquires tire management data including transmitter ID information read from the transmitter built in a work target tire that is a work target among the tires and tire ID information of the tire linked to the transmitter ID information;
  • the system is provided with a determination unit that determines that there is no confusion when a plurality of pieces of acquired transmitter ID information are present and all of the tire ID information linked to the plurality of pieces of transmitter ID information match, and that determines that there is confusion when some of the tire ID information linked to the plurality of pieces of transmitter ID information do not match and there is no tire ID information that is detected more frequently.
  • the determination unit determines that the tire to be worked on is the tire having the tire ID information that has been detected a large number of times.
  • the acquisition unit acquires data on the number of transmitters according to the type of the tire
  • the determination unit determines that the confusion has occurred when the number of the acquired transmitter ID information exceeds the number of transmitters corresponding to the type of the work target tire.
  • a tire management method executed by a tire management device that manages tires having built-in transmitters, comprising: acquiring tire management data including transmitter ID information read from the transmitter built in a work target tire that is a work target among the tires and tire ID information of the tire linked to the transmitter ID information; The method includes determining that there is no confusion when a plurality of pieces of acquired transmitter ID information are present and all of the tire ID information linked to the plurality of pieces of transmitter ID information match, and determining that there is confusion when some of the tire ID information linked to the plurality of pieces of transmitter ID information do not match.
  • a tire management method executed by a tire management device that manages tires having built-in transmitters, comprising: acquiring tire management data including transmitter ID information read from the transmitter built in a work target tire that is a work target among the tires and tire ID information of the tire linked to the transmitter ID information; The method includes determining that there is no confusion when a plurality of pieces of acquired transmitter ID information are present and all of the tire ID information linked to the plurality of pieces of transmitter ID information match, and determining that there is confusion when some of the tire ID information linked to the plurality of pieces of transmitter ID information do not match and there is no tire ID information that is detected more frequently.
  • the present disclosure provides a tire management device and a tire management method that can determine whether or not there is confusion in the information obtained from a tire equipped with a transmitter.
  • FIG. 1 is a diagram illustrating an example of the configuration of a tire management system including a tire management device according to an embodiment of the present disclosure.
  • FIG. 2 is a diagram for explaining the tire management data.
  • FIG. 3 is a diagram illustrating data on the number of transmitters according to the type of tire.
  • FIG. 4 is a diagram for explaining inconsistency due to confusion.
  • FIG. 5 is a flowchart illustrating the process of the tire management method executed by the tire management device.
  • FIG. 6 is a flowchart illustrating another process of the tire management method executed by the tire management device.
  • FIG. 1 shows an example of the configuration of a tire management system that includes a tire management device 10 according to this embodiment.
  • the tire management device 10 manages tires. Specifically, the tire management device 10 manages information related to the condition and distribution of each tire.
  • the tires managed by the tire management device 10 are not limited to specific types, but in this embodiment include large OR tires. Furthermore, the tires are for vehicles such as passenger cars, trucks, buses, and construction vehicles, but may also be for aircraft, etc.
  • the tire management device 10 includes a communication unit 11, a storage unit 12, and a control unit 13.
  • the control unit 13 includes an acquisition unit 131, a determination unit 132, and an output unit 133.
  • the tire management device 10 may have a hardware configuration such as a computer. The components of the tire management device 10 will be described in detail later.
  • the tire management device 10 is a computer at a place where a predetermined operation is performed on a tire with a built-in transmitter 31 (hereinafter, the work place).
  • the predetermined operation is assumed to be tire shipping, but is not limited to this.
  • the predetermined operation may be an operation in which a dealer accepts tires, an operation to repair damage to tires, or an operation to send tires to an inspection site for inspection.
  • the tire management device 10 manages the tire by updating information indicating the tire status after the predetermined operation is performed. In this embodiment, when the shipping operation is correctly completed, the tire management device 10 sets the status item in the tire management data described below to "shipped".
  • the tire management device 10 may execute writing so that the status of the tire held by the transmitter 31 becomes "shipped".
  • the tire for which the predetermined operation is performed at the work place is referred to as the "tire to be worked on” below.
  • the reading unit 70 is a device that reads the transmitter ID information from the transmitter 31 attached to each tire.
  • the transmitter ID information is identification information unique to each transmitter 31.
  • the tire management device 10 constitutes a tire management system together with at least the reading unit 70. Devices other than the tire management device 10 (hereinafter, "external devices") may be installed at the work site.
  • the tire management device 10 may further constitute a tire management system together with external devices connected via a network.
  • the network is, for example, the Internet.
  • the network may be configured to include, for example, a LAN (Local Area Network) in part.
  • the external device may include, for example, a device that writes information to the transmitter 31.
  • the external device may include, for example, a belt conveyor that transports multiple tires together to a location where a specified work is performed.
  • the transmitter 31 is built into the tire. Built into the tire includes, for example, being embedded inside the tire and being attached to the surface of the inner surface of the tire.
  • the transmitter 31 may be attached to a surface other than the inner surface of the tire, as long as it is difficult to remove from the tire and is not affected by contact between the tire and the road surface.
  • the transmitter 31 emits a predetermined signal.
  • the predetermined signal includes at least transmitter ID information.
  • the predetermined signal may further include tire manufacturing information such as the manufacturing date and manufacturing location of the tire to which the transmitter 31 is attached.
  • the transmitter 31 may be an RFID tag as in this embodiment, but is not limited to a specific type of device as long as it emits a predetermined signal.
  • the RFID tag exchanges information with a reader device by wireless communication over a short distance (several centimeters to several meters) using an electromagnetic field, radio waves, etc.
  • the reading unit 70 is an RFID tag reader device.
  • the transmitter 31 built into the tire may be one or more.
  • the tires to be worked on include OR tires. Larger tires, such as OR tires, have multiple built-in RFID tags so that the information can be read by a reader device fixed to the equipment.
  • the tire management device 10 may be configured to be integrated (integrated) with an external device. Also, for example, the tire management device 10 may be configured to control not only the reading unit 70 but also a device that writes information to the transmitter 31. Also, the tire management device 10 may be capable of communicating with a small computer device or the like via a network, and may display on the display of the small computer device, for example, that the shipping work for the target tires has been completed.
  • the small computer device may include a mobile terminal such as a smartphone or tablet terminal.
  • the communication unit 11 is configured to include one or more communication modules that connect to a network.
  • the communication unit 11 may include a communication module that supports mobile communication standards such as 4G (4th Generation) and 5G (5th Generation).
  • the communication unit 11 may include a communication module that supports a wireless LAN standard (IEEE802.11 as one example).
  • the communication unit 11 may also include a communication module that supports a wired LAN standard.
  • the storage unit 12 is one or more memories.
  • the memory may be, for example, a semiconductor memory, a magnetic memory, or an optical memory, but is not limited to these and may be any type of memory.
  • the storage unit 12 is, for example, built into the tire management device 10, but may also be configured to be accessed from outside by the tire management device 10 via any interface.
  • the storage unit 12 stores various data used in the various calculations performed by the control unit 13.
  • the storage unit 12 may also store the results and intermediate data of the various calculations performed by the control unit 13.
  • the memory unit 12 stores tire management data including tire ID information of tires linked to transmitter ID information.
  • Tire ID information is identification information unique to each individual tire.
  • FIG. 2 shows an example of tire management data.
  • the tire management data is a table showing the correspondence between transmitter ID information and tire ID information.
  • a tire with tire ID information T005 has one built-in RFID tag with transmitter ID information 0005.
  • a tire with tire ID information T001 has three built-in RFID tags with transmitter ID information 0001, 0004, and 0009.
  • RFID tags with transmitter ID information 0002 and 0011 are unused or unusable, and are left blank because they have no linked tire ID information.
  • the tire ID information is linked to the new transmitter ID information.
  • the tire management data may be updated, for example, periodically or non-periodically.
  • the tire management device 10 may access, via a network, a computer that manages the manufacturing process for building transmitters 31 into tires, and obtain information linking the transmitter ID information with the tire ID information.
  • the tire management data may also have a status field.
  • the tire management device 10 sets the status field to "shipped" when the shipping process has been completed correctly.
  • the tire ID information of the tire being worked on is T001 and the shipping process has been completed, "shipped" is set in all of the corresponding status fields.
  • the tire management data is not limited to the format shown in FIG. 2, and other fields (for example, tire type) may be added.
  • the memory unit 12 may also store data on the number of transmitters according to the type of tire.
  • FIG. 3 is a diagram illustrating data on the number of transmitters.
  • the data on the number of transmitters is a table showing the correspondence between the type of tire and the number of built-in transmitters 31.
  • a tire of type a has one built-in transmitter 31 at the time of manufacture.
  • a tire of type b has three built-in transmitters 31 at the time of manufacture.
  • a tire of type c has four built-in transmitters 31 at the time of manufacture.
  • a tire of type a may be, for example, a tire for a passenger car.
  • a tire of type b may be, for example, an OR tire of a predetermined size or less.
  • a tire of type c may be, for example, an OR tire of more than a predetermined size.
  • the control unit 13 is one or more processors.
  • the processor may be, for example, a general-purpose processor or a dedicated processor specialized for a particular process, but is not limited to these and may be any processor.
  • the control unit 13 controls the overall operation of the tire management device 10.
  • the tire management device 10 may have the following software configuration.
  • One or more programs used to control the operation of the tire management device 10 are stored in the memory unit 12.
  • the program stored in the memory unit 12 is loaded by the processor of the control unit 13, it causes the processor to function as an acquisition unit 131, a determination unit 132, and an output unit 133.
  • the acquisition unit 131 acquires transmitter ID information read from the transmitter 31 built into the work target tire that is the subject of work among the tires. In other words, the acquisition unit 131 acquires the transmitter ID information of the transmitter 31 built into the work target tire that is read by the reading unit 70. The acquisition unit 131 also acquires tire management data. The acquisition unit 131 may also acquire data on the number of transmitters according to the type of tire.
  • the reading unit 70 may read multiple transmitter ID information.
  • confusion may occur, for example, when the reading unit 70 reads transmitter ID information while multiple tires are being transported together.
  • Confusion occurs when the transmitter ID information from the tire to be worked on contains transmitter ID information of an RFID tag built into a tire other than the tire to be worked on. If the shipping work is completed without detecting the presence of confusion, an inconsistency occurs in the state and correct management of the tires cannot be performed.
  • Figure 4 is a diagram for explaining the inconsistency due to confusion. Each item in Figure 4 is the same as that in Figure 2.
  • the determination unit 132 determines whether or not there is confusion by the process described below.
  • the determination unit 132 determines that there is no confusion when multiple pieces of transmitter ID information are acquired and all of the tire ID information linked to the multiple pieces of transmitter ID information match. For example, when tire ID information linked to three pieces of transmitter ID information is T001 for all three pieces of tire ID information, all of the tire ID information matches. For example, a case in which two pieces of tire ID information are T001 and one piece of tire ID information is T002 does not correspond to a case in which all of the tire ID information matches. The determination unit 132 determines that there is confusion when multiple pieces of transmitter ID information are acquired and some of the tire ID information linked to the multiple pieces of transmitter ID information do not match. If there is confusion, a warning may be output as described below. This process makes it possible to determine whether there is confusion in the information obtained from a tire in which a transmitter 31 is built in.
  • the determination unit 132 may determine that the tire to be worked on is the tire having the tire ID information with the large number of detections.
  • the determination unit 132 determines that there is confusion when multiple pieces of transmitter ID information have been acquired, some of the tire ID information linked to the multiple pieces of transmitter ID information do not match, and there is no tire ID information with a high number of detections. The determination unit 132 then determines that there is no confusion when multiple pieces of transmitter ID information have been acquired, and all of the tire ID information linked to the multiple pieces of transmitter ID information match. This process makes it possible to determine whether there is confusion in the information obtained from a tire with a built-in transmitter 31.
  • the determination unit 132 may further perform a determination based on the tire to be worked on and the number of transmitters.
  • the determination unit 132 may determine that there is confusion when the number of acquired transmitter ID information exceeds the number of transmitters corresponding to the type of tire to be worked on. For example, using the example of FIG. 3, if the type of tire to be worked on is "b", the determination unit 132 may immediately determine that there is confusion if the number of acquired transmitter ID information exceeds 3. This process makes it possible to more reliably determine that there is confusion.
  • the output unit 133 outputs the result of the determination made by the determination unit 132 to a display device or the like.
  • a display connected to the tire management device 10 can function as a display device that displays the determination result.
  • the result output by the output unit 133 is not limited to whether or not there is a confusion.
  • a warning is output if there is a confusion.
  • the warning may be a warning requesting that the shipping operation be redone, or a warning requesting that writing "shipped" be stopped from being written as the status. In response to such a warning, the worker at the work site can quickly take appropriate action.
  • FIG. 5 is a flowchart illustrating the processing of the tire management method executed by the control unit 13 of the tire management device 10.
  • the processing of the tire management method may be started when the shipping work is performed on the target tires.
  • the acquisition unit 131 acquires the transmitter ID information read from the transmitter 31 built into the tire to be worked on (step S11).
  • the acquisition unit 131 may also acquire data on the number of transmitters according to the type of tire.
  • step S12 If the acquired transmitter ID information is not multiple (No in step S12), the determination unit 132 does not determine confusion and the process proceeds to step S16. At this time, the output unit 133 does not output a warning and the process ends. If the acquired transmitter ID information is multiple (Yes in step S12), the determination unit 132 proceeds to the process of step S13.
  • step S13 If the number of acquired transmitter ID information exceeds the number of transmitters corresponding to the type of tire being worked on (No in step S13), the determination unit 132 determines that there is confusion. Then, the output unit 133 outputs a warning (step S17). If the number of acquired transmitter ID information is equal to or less than the number of transmitters corresponding to the type of tire being worked on (Yes in step S13), the determination unit 132 proceeds with the confusion determination, and the process proceeds to step S14. Here, if the determination unit 132 does not make a determination based on the number of transmitters, the process of step S13 may be omitted.
  • the acquisition unit 131 acquires tire management data (step S14).
  • the determination unit 132 can obtain tire ID information linked to multiple pieces of transmitter ID information based on the tire management data.
  • step S15 If multiple pieces of transmitter ID information are acquired and all of the tire ID information linked to the multiple pieces of transmitter ID information match (Yes in step S15), the determination unit 132 determines that there is no confusion. Then, the output unit 133 does not output a warning (step S16). The determination unit 132 sets the status item in the tire management data to "shipped," for example, and completes the shipping work for the target tire.
  • step S15 If multiple pieces of transmitter ID information are acquired and some of the tire ID information linked to the multiple pieces of transmitter ID information do not match (No in step S15), the determination unit 132 determines that there is confusion. Then, the output unit 133 outputs a warning (step S17).
  • FIG. 6 is a flow chart illustrating another process of the tire management method executed by the control unit 13 of the tire management device 10.
  • the control unit 13 of the tire management device 10 may execute the process of FIG. 6 instead of the process of FIG. 5.
  • steps S21 to S24 in FIG. 6 are the same as steps S11 to S14 in FIG. 5, respectively, and therefore will not be described.
  • the output unit 133 outputs a warning (step S27).
  • step S25 If multiple pieces of transmitter ID information are acquired and all of the tire ID information linked to the multiple pieces of transmitter ID information match (Yes in step S25), the determination unit 132 determines that there is no confusion. Then, the output unit 133 does not output a warning (step S26). The determination unit 132 sets the status item in the tire management data to "shipped," for example, and completes the shipping work for the target tire.
  • step S25 If multiple pieces of transmitter ID information are acquired and some of the tire ID information linked to the multiple pieces of transmitter ID information do not match (No in step S25), the determination unit 132 proceeds to processing in step S28. If there is tire ID information with a high number of detections (Yes in step S28), the determination unit 132 determines that the tire to be worked on is the tire with tire ID information with a high number of detections (step S29). Then, the output unit 133 does not output a warning (step S26). The determination unit 132 sets the status item in the tire management data to "shipped", for example, and completes the shipping work of the tire to be worked on.
  • step S28 If there is no tire ID information with a high detection count (No in step S28), the determination unit 132 determines that there is a confusion that makes it impossible to identify the tire to be worked on. Then, the output unit 133 outputs a warning (step S27).
  • control unit 13 of the tire management device 10 may selectively execute the process of the flowchart in FIG. 5 and the process of the flowchart in FIG. 6.
  • the control unit 13 of the tire management device 10 may determine whether the number of acquired transmitter ID information is three or more. As an example, the determination of whether the number of acquired transmitter ID information is three or more may be performed immediately before the process of acquiring tire management data (step S14 or S24). If the number of acquired transmitter ID information is three or more, the process of the flowchart in FIG. 6 (steps S24 to S27) may be performed, and if the number of acquired transmitter ID information is two, the process of the flowchart in FIG. 5 (steps S14 to S17) may be performed.
  • the tire management device 10 and tire management method according to this embodiment can determine whether there is confusion in the information obtained from a tire with a built-in transmitter, even if the tire has multiple built-in transmitters, thanks to the above configuration.

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  • Arrangements For Transmission Of Measured Signals (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne un dispositif de gestion de pneus (10) qui gère un pneu composé d'un émetteur intégré (31), le dispositif de gestion de pneus comprenant : une unité d'acquisition (131) qui acquiert des informations d'ID d'émetteur lues à partir d'un émetteur intégré dans un pneu cible de travail, qui est un sujet pour un travail à effectuer parmi des pneus, et des données de gestion de pneu comprenant des informations d'ID de pneu du pneu liées aux informations d'ID d'émetteur ; et une unité de détermination (132) qui détermine qu'il n'y a pas de confusion lorsqu'il existe une pluralité d'éléments d'informations d'ID d'émetteur acquises et que toutes les informations d'ID de pneu liées à la pluralité d'éléments d'informations d'ID d'émetteur correspondent, et détermine qu'il existe une confusion lorsque la pluralité d'éléments d'informations d'ID d'émetteur et une partie des informations d'ID de pneu liées à celles-ci ne correspondent pas.
PCT/JP2023/039106 2022-12-16 2023-10-30 Dispositif de gestion de pneus et procédé de gestion de pneus WO2024127834A1 (fr)

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JP2022201546A JP2024086430A (ja) 2022-12-16 2022-12-16 タイヤ管理装置及びタイヤ管理方法
JP2022-201546 2022-12-16

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003165317A (ja) * 2001-12-03 2003-06-10 Nissan Motor Co Ltd タイヤ空気圧モニター装置
JP2019192157A (ja) * 2018-04-27 2019-10-31 株式会社ブリヂストン 車両の運行管理装置
JP2019202606A (ja) * 2018-05-22 2019-11-28 株式会社ブリヂストン 建設車両用タイヤ内圧管理システム、建設車両用タイヤ内圧管理プログラム、及び建設車両用タイヤ内圧管理方法
JP2020032798A (ja) * 2018-08-28 2020-03-05 株式会社ブリヂストン タイヤ装着状態検出システム、タイヤ装着状態検出方法及びタイヤ装着状態検出プログラム
JP2021075243A (ja) * 2019-11-13 2021-05-20 Ｔｏｙｏ Ｔｉｒｅ株式会社 タイヤ管理システムおよびタイヤ管理方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003165317A (ja) * 2001-12-03 2003-06-10 Nissan Motor Co Ltd タイヤ空気圧モニター装置
JP2019192157A (ja) * 2018-04-27 2019-10-31 株式会社ブリヂストン 車両の運行管理装置
JP2019202606A (ja) * 2018-05-22 2019-11-28 株式会社ブリヂストン 建設車両用タイヤ内圧管理システム、建設車両用タイヤ内圧管理プログラム、及び建設車両用タイヤ内圧管理方法
JP2020032798A (ja) * 2018-08-28 2020-03-05 株式会社ブリヂストン タイヤ装着状態検出システム、タイヤ装着状態検出方法及びタイヤ装着状態検出プログラム
JP2021075243A (ja) * 2019-11-13 2021-05-20 Ｔｏｙｏ Ｔｉｒｅ株式会社 タイヤ管理システムおよびタイヤ管理方法

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