Sensor module management device

The sensor module management device addresses the need for frequent battery replacement in tire sensors by integrating power management components and creating power reception plans, enhancing efficiency and reducing environmental impact.

WO2026053754A1PCT designated stage Publication Date: 2026-03-12THE YOKOHAMA RUBBER CO LTD
View PDF 8 Cites 0 Cited by

Patent Information

Authority / Receiving Office
WO · WO
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-08-22
Publication Date
2026-03-12

AI Technical Summary

Technical Problem

Existing sensor modules in tires require frequent battery replacement, which is labor-intensive and environmentally detrimental due to structural difficulties in battery removal and disposal.

Method used

A sensor module management device that integrates a power receiving unit, power storage unit, and sensor unit, featuring an information acquisition unit, voltage acquisition unit, power reception necessity determination unit, and power reception plan creation unit to manage power efficiently, eliminating the need for battery replacement by creating a power reception plan based on voltage thresholds and user notifications.

Benefits of technology

Facilitates easy power management of multiple sensor modules, reducing labor and environmental impact by extending the lifespan of sensor modules through efficient power utilization and minimizing battery disposal.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure JP2025029486_12032026_PF_FP_ABST
    Figure JP2025029486_12032026_PF_FP_ABST
Patent Text Reader

Abstract

Provided is a sensor module management device that makes it possible to easily execute power management of a sensor module while reducing environmental load. A management device of a sensor module 20 integrally housing a power reception unit 21 for receiving power, a power storage unit 22 for storing the received power, and a sensor unit including a sensor 23 for detecting tire information comprise: an information acquisition unit 11 for acquiring individual identification information about the sensor 23; a voltage acquisition unit 12 for acquiring a voltage value of the power stored in the power storage unit 22; a power reception necessity determination unit 13 for determining the necessity of power reception by the power reception unit 21 by comparing the voltage value acquired by the voltage acquisition unit 12 with a predetermined threshold; and a power reception plan creation unit 14 for creating a power reception plan when the power reception necessity determination unit 13 determines that power reception work by the power reception unit 21 is necessary.
Need to check novelty before this filing date? Find Prior Art

Description

Sensor module management device

[0001] The present invention relates to a sensor module management device, and more particularly to a sensor module management device that allows for easy power management of sensor modules and reduces environmental impact.

[0002] Various sensors are installed in the tire cavity to acquire tire information such as internal pressure and temperature (see, for example, Patent Documents 1 and 2). Such sensors require an abundant power source to continuously acquire advanced tire information. For example, if a battery is used as the sensor's power source, it cannot continuously supply power for a long period of time, and the battery must be replaced at appropriate intervals. Furthermore, if the battery enclosed within the sensor is structurally difficult to remove, the battery must be discarded at the same time as the sensor is replaced. There is a need to resolve this issue and reduce the environmental impact.

[0003] Japanese Patent No. 6272225 Publication Japanese Special Table No. 2016-505438

[0004] An object of the present invention is to provide a sensor module management device that allows for easy power management of sensor modules and reduces the environmental load.

[0005] In order to achieve the above-mentioned object, the sensor module management device of the present invention is a management device for a sensor module that integrally houses a power receiving unit that receives power, a power storage unit that stores the received power, and a sensor unit that includes a sensor that detects tire information, and is characterized by comprising: an information acquisition unit that acquires individual identification information of the sensor; a voltage acquisition unit that acquires the voltage value of the power stored in the power storage unit; a power receiving necessity determination unit that compares the voltage value acquired by the voltage acquisition unit with a predetermined threshold value to determine whether power receiving by the power receiving unit is necessary; and a power receiving plan creation unit that creates a power receiving plan when the power receiving necessity determination unit determines that power receiving work by the power receiving unit is necessary.

[0006] The sensor module management device of the present invention includes an information acquisition unit that acquires individual identification information of the sensor, a voltage acquisition unit that acquires the voltage value of the power stored in the power storage unit, a power reception necessity determination unit that compares the voltage value acquired by the voltage acquisition unit with a predetermined threshold to determine whether power reception by the power receiving unit is necessary, and a power reception plan creation unit that creates a power reception plan when the power reception necessity determination unit determines that power reception work by the power receiving unit is necessary. For example, if an administrator (such as a mobility service provider or tire dealer) owns multiple vehicles and multiple tires and manages tires equipped with the sensor modules and vehicles equipped with them, the sensor module management device of the present invention creates an appropriate power reception plan based on the power status of each sensor module, and the power receiving worker supplies power to the sensor module using a power transmission device outside the tire based on this power reception plan. This makes it easy for the administrator to simultaneously manage the power of multiple sensor modules, thereby reducing the labor required for managing the power of the sensor modules. Furthermore, the sensor module, which is equipped with a power receiving unit and a power storage unit, eliminates the need to replace batteries as in the past, allowing for long-term use, which reduces the frequency with which batteries and the sensor module themselves need to be disposed of, thereby reducing the burden on the environment.

[0007] The sensor module management device of the present invention preferably includes a notification unit that notifies pre-registered contacts when a power receiving plan is created. This allows the power receiving worker of the sensor module who receives the notification to perform the power receiving work with ample time. Furthermore, this is advantageous from the viewpoint of convenience, since it ensures that the vehicle or tire user can use the sensor with sufficient power stored when reusing the sensor.

[0008] It is preferable to provide a power receiving status recording unit that records the power receiving status of the power receiving unit when power receiving work is performed by the power receiving unit based on the power receiving plan. This makes it possible to prevent a power shortage when the sensor is reused and to reflect the status in the power receiving plan for the next time and thereafter.

[0009] It is preferable to provide a reading means for reading the tire's individual identification information from a tire equipped with an identification means including the tire's individual identification information. By reading the tire's individual identification information in this way, for example, the sensor's individual identification information can be linked to the tire's individual identification information, and changes over time can be understood and used for tire quality control. Furthermore, if the sensor needs to be replaced due to a malfunction, the sensor and tire can be easily linked.

[0010] It is preferable that the power receiving unit performs power receiving work based on the power receiving plan for a tire in which the sensor module is fixed to the inner surface of the tire and the power receiving unit is arranged parallel to the inner surface of the tire, which is suitable for when the power receiving unit receives power supplied from a power transmitting device outside the tire.

[0011] FIG. 1 is an explanatory diagram showing an example of the configuration of a sensor module management device according to an embodiment of the present invention. FIG. 2 is a flowchart showing an example of the procedure for creating a power receiving plan using a sensor module management device according to an embodiment of the present invention. FIG. 3 is an explanatory diagram showing a modified example of the procedure for creating a power receiving plan using a sensor module management device according to an embodiment of the present invention. FIG. 4 is an explanatory diagram showing another modified example of the procedure for creating a power receiving plan using a sensor module management device according to an embodiment of the present invention. FIG. 5 is a meridian cross-sectional view showing an example of a pneumatic tire that can be used as a target of a sensor module management device according to an embodiment of the present invention. FIGS. 6(A) and 6(B) show an example of a sensor module attached to the pneumatic tire of FIG. 5 via a container, with FIG. 6(A) being a perspective view and FIG. 6(B) being a cross-sectional view.

[0012] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings, in which: Figure 1 shows a sensor module management device according to an embodiment of the present invention;

[0013] The sensor module management device 10 (hereinafter referred to as the management device 10) creates an appropriate power receiving plan depending on the power state of the sensor module 20 fixed to the tire inner surface Ts of the tire T (see FIG. 5, for example). The management device 10 may be mounted on the vehicle itself on which the tire T equipped with the sensor module 20 is mounted, or may be configured as a device separate from the vehicle, or may be mounted on a portable dedicated terminal.

[0014] 1 , the management device 10 includes an information acquisition unit 11, a voltage acquisition unit 12, a power reception necessity determination unit 13, and a power reception plan creation unit 14. The management device 10 may further include a notification unit 15, a power reception status recording unit 16, and a memory area 17.

[0015] The information acquisition unit 11 acquires individual identification information of the sensor 23. Examples of the individual identification information of the sensor 23 include the identification number of the sensor 23, the date of attachment to the tire, the location on the tire, and the location on the vehicle. The voltage acquisition unit 12 acquires the voltage value [V] of the power stored in the power storage unit 22. The information acquisition unit 11 and the voltage acquisition unit 12 are configured to be able to communicate with the sensor 23 of the sensor module 20.

[0016] The power receiving necessity determination unit 13 compares the voltage value [V] of the power storage unit 22 acquired by the voltage acquisition unit 12 with a predetermined threshold [V] to determine whether power reception by the power receiving unit 21 is necessary. This predetermined threshold can be set to any value. For example, the predetermined threshold can be set based on the operating voltage or power consumption of a control circuit mounted on the sensor module 20, or based on a voltage value calculated from the current consumption and initial battery capacity of the sensor module 20, or an arbitrary ratio of the voltage value when the power storage unit 22 is fully charged. The power receiving necessity determination unit 13 determines that power receiving work by the power receiving unit 21 is necessary when the voltage value of the power storage unit 22 acquired by the voltage acquisition unit 12 is equal to or lower than the predetermined threshold.

[0017] The power receiving plan creation unit 14 creates a power receiving plan when the power receiving necessity determination unit 13 determines that power receiving work by the power receiving unit 21 is necessary. This power receiving plan can include the priority of the power receiving work, the date and time of the power receiving work, the location of the power receiving work, the details of the power receiving work (work time, cost, etc.), user information about the vehicle and tire (vehicle information, whether the vehicle or tire is being kept, etc.), product information about the tire (brand, size, etc.), individual identification information of the sensor 23, etc. In particular, when managing multiple sensor modules 20 simultaneously, it is important to include the priority of the power receiving work in the power receiving plan; for example, this can include specifying the priority of each vehicle among multiple vehicles, or specifying the priority of each of the four tires on one vehicle. Furthermore, if the condition of the tires (e.g., wear level, presence or absence of damage such as scratches or cracks, etc.) or the condition of the sensors (e.g., remaining battery power, occurrence of errors in the sensing function or communication function, information on how each sensor is used, such as sensing frequency, etc.) can be known in advance, the priority can be appropriately set taking into consideration the time required to replace a sensor attached to a used tire that needs to be replaced with a new tire, as well as the time required to replace the sensor with a new sensor. The remaining battery power can be used to estimate the time required for a full charge, so this is also useful information for determining the priority. In this way, including the priority of power receiving work in the power receiving plan is very useful for managers who own multiple vehicles and multiple tires. Furthermore, the power receiving plan creation unit 14 can update the power receiving plan as necessary.

[0018] When the power receiving plan creation unit 14 creates a power receiving plan, the notification unit 15 notifies pre-registered contact persons. Examples of contact persons include a manager, a vehicle occupant, and a vehicle or tire user. In addition, examples of notification means include sending an email, displaying on a display mounted on the vehicle, or displaying on an information terminal outside the vehicle. In addition, the notification information can include information included in the above-mentioned power receiving plan, such as the date and time of the power receiving work, the location where the power receiving work is performed, the content of the power receiving work, vehicle and tire user information, tire product information, etc.

[0019] The power receiving status recording unit 16 records the power receiving status of the power receiving unit 21 when a power receiving operation is performed by the power receiving unit 21 based on the power receiving plan created by the power receiving plan creating unit 14. Examples of the power receiving status of the power receiving unit 21 include the date and time of power reception, the power receiving time, the voltage value of the power storage unit 22 after power reception, and the operating status of the sensor 23. In this embodiment, an example is shown in which the power receiving status recording unit 16 is mounted on the management device 10, but it may also be mounted on the power transmission device 100. In this case, the power transmission device 100 is configured to be able to communicate with the sensor module 20, and the sensor module 20 is configured to acquire the power receiving status from the power receiving status recording unit 16 mounted on the power transmission device 100 and store it in the memory area 17.

[0020] The memory area 17 stores various types of data. For example, the memory area 17 stores data acquired by the information acquisition unit 11 and the voltage acquisition unit 12, the determination result by the power receiving necessity determination unit 13, a predetermined threshold value used when the power receiving necessity determination unit 13 makes a determination, a power receiving plan created by the power receiving plan creation unit 14, contact information used when the notification unit 15 makes a notification, the power receiving status of the power receiving unit 21, user information about the vehicle and tire, product information about the tire, and individual identification information about the sensor 23. The memory area 17 may be configured as an external storage device such as a hard disk, an internal storage device such as RAM, or a combination of these. Alternatively, the memory area 17 may be a storage area (cloud) on a network connected to the management device 10 so as to be able to communicate with the management device 10.

[0021] On the other hand, the sensor module 20 includes a power receiving unit 21 that receives power supplied from the power transmitting device 100 outside the tire, a power storage unit 22 that stores the received power, a sensor 23 that detects tire information, and various electronic components 24, all of which are housed together in a module body (housing). The sensor 23 and the electronic components 24 are integrally configured as a sensor unit and are incorporated into the sensor module 20.

[0022] The power receiving unit 21 receives power wirelessly from the power transmitting device 100 outside the tire. The wireless power supply method is not particularly limited, but may utilize electromagnetic induction and magnetic field resonance. The power receiving unit 21 may be configured, for example, with a coil, a capacitor, and a rectifier circuit.

[0023] The power storage unit 22 stores the power received by the power receiving unit 21. The power storage unit 22 may be configured, for example, from a secondary battery. The power storage unit 22 is electrically connected to the power receiving unit 21, and is electrically connected to a sensor unit including the sensor 23 and electronic components 24, and can supply power to the sensor 23.

[0024] The electronic components 24 include a transmitter, a receiver, a control circuit, etc. This allows the sensor 23 to communicate with the information acquisition unit 11 and the voltage acquisition unit 12 of the management device 10. Examples of tire information acquired by the sensor 23 include the internal temperature and pressure of the pneumatic tire, and the amount of wear in the tread. For example, a temperature sensor and a pressure sensor are used to measure the internal temperature and pressure. When detecting the amount of wear in the tread of a tire, for example, a piezoelectric element is disposed as a sensor element constituting the sensor, and the sensor element generates an output voltage corresponding to the deformation of the tire during driving, and the amount of wear in the tread is detected based on the output voltage. Alternatively, an acceleration sensor or a magnetic sensor can also be used.

[0025] 2 shows the procedure for creating a power receiving plan using a sensor module management device according to an embodiment of the present invention. The management device 10 is placed in advance near a tire T to which a sensor module 20 is attached or a vehicle equipped with the tire T. In step S1, the information acquisition unit 11 of the management device 10 acquires individual identification information of the sensor 23. At this time, the memory area 17 stores the individual identification information of the sensor 23 acquired by the information acquisition unit 11.

[0026] Next, the process proceeds to step S2, where the voltage acquisition unit 12 of the management device 10 acquires the voltage value of the power stored in the power storage unit 22. At this time, the memory area 17 stores the voltage value of the power storage unit 22 acquired by the voltage acquisition unit 12.

[0027] Next, proceeding to step S3, power receiving necessity determination unit 13 of management device 10 compares the voltage value of power storage unit 22 acquired by voltage acquisition unit 12 with a predetermined threshold. If the acquired voltage value of power storage unit 22 is lower than the predetermined threshold, power receiving necessity determination unit 13 concludes that power receiving work by power receiving unit 21 is necessary, and proceeds to step S4. On the other hand, if the acquired voltage value of power storage unit 22 is higher than the predetermined threshold, power receiving necessity determination unit 13 concludes that power receiving work by power receiving unit 21 is not necessary, and ends the determination.

[0028] If the power receiving necessity determination unit 13 determines that power receiving work by the power receiving unit 21 is necessary, the process proceeds to step S4, where the power receiving plan creation unit 14 of the management device 10 creates a power receiving plan. After the power receiving plan is created, the flow ends.

[0029] The execution frequency of steps S1 to S4 can be set arbitrarily, and may be periodically (for example, once a month or every few months) or may be set in accordance with the frequency at which tire information is acquired by the sensor 23. Furthermore, the execution frequency of steps S1 to S4 may be set individually for each sensor in accordance with how each sensor is used, as typified by the sensing frequency (for example, the vehicle operating time changes depending on the vehicle in which it is installed and the content of the mobility service, and this changes the sensing frequency of the sensor 23).

[0030] 3 shows a modified example of the procedure for creating a power receiving plan using a sensor module management device according to an embodiment of the present invention. The management device 10 includes a notification unit 15. The procedure shown in FIG. 3 is the same as the procedure shown in FIG. 2 up to step S4. After step S4, the process proceeds to step S5, where the power receiving plan creation unit 14 creates a power receiving plan, and then the notification unit 15 notifies pre-registered contacts. The flow then ends.

[0031] In this way, when the power receiving plan creation unit 14 creates a power receiving plan, the notification unit 15 notifies the pre-registered contact information, allowing the power receiving worker of the sensor module 20 who receives the notification to perform the power receiving work with ample time to do so. This is also advantageous from the perspective of convenience, as it ensures that the vehicle or tire user can use the sensor 23 with sufficient power stored when reusing it. The notified power receiving worker can check tire inventory and make arrangements in advance. This is advantageous from the perspective of convenience, as it allows the vehicle or tire user to, for example, consider in advance the date, time, and location of the notified power receiving work and communicate any changes they would like to make to the manager.

[0032] FIG. 4 illustrates a modified example of the procedure for creating a power receiving plan using a sensor module management device according to an embodiment of the present invention. The management device 10 includes a notification unit 15 and a power receiving status recording unit 16. The procedure illustrated in FIG. 4 is the same as the procedure illustrated in FIG. 3 up to step S5. After step S5, the process proceeds to step S6. After the notification unit 15 contacts the pre-registered contact, the power receiving status recording unit 16 records the power receiving status of the power receiving unit 21. More specifically, the power receiving status recording unit 16 may provisionally record the power receiving status of the power receiving unit 21 immediately after the notification unit 15 contacts the pre-registered contact. In this case, after the power receiving unit 21 actually performs a power receiving operation, the power receiving status recording unit 16 re-records (updates) the power receiving status of the power receiving unit 21. Alternatively, the power receiving status recording unit 16 may record the power receiving status of the power receiving unit 21 after the power receiving unit 21 actually performs a power receiving operation. The flow then ends.

[0033] By having the power receiving status recording unit 16 record the power receiving status of the power receiving unit 21 in this way, it is possible to prevent a power shortage when the sensor 23 is reused and to reflect this in the power receiving plan for the next time and thereafter. Information about how each sensor is used, such as sensing frequency, can also be recorded, and based on this information, the execution frequency of steps S1 to S4 shown in Figures 2 to 4 can be individually set for each sensor. Furthermore, when performing a power receiving task, the operation of the sensor 23 can be checked (the operation of the TPMS function and other detection functions) and the operation status of this sensor 23 can be recorded in the power receiving status recording unit 16. This allows the administrator or user to check the operation status of the sensor 23, which is advantageous from the standpoint of convenience.

[0034] The sensor module management device described above includes an information acquisition unit 11 that acquires individual identification information of the sensor 23, a voltage acquisition unit 12 that acquires the voltage value of the power stored in the power storage unit 22, a power receiving necessity determination unit 13 that compares the voltage value acquired by the voltage acquisition unit 12 with a predetermined threshold to determine whether power is required to be received by the power receiving unit 21, and a power receiving plan creation unit 14 that creates a power receiving plan when the power receiving necessity determination unit 13 determines that power receiving work by the power receiving unit 21 is required. For example, if an administrator (such as a mobility service provider or tire dealer) owning multiple vehicles and multiple tires manages tires T equipped with sensor modules 20 and vehicles equipped with such tires, the management device 10 creates an appropriate power receiving plan based on the power status of each sensor module 20, and the power receiving worker supplies power to the sensor module using the power transmission device 100 outside the tire based on this power receiving plan. This makes it easy for the administrator to simultaneously manage the power of multiple sensor modules 20, thereby reducing the labor required for managing the power of the sensor modules 20. Furthermore, the sensor module 20 equipped with the power receiving unit 21 and the power storage unit 22 eliminates the need to replace the battery as in the past, enabling long-term use, thereby reducing the frequency of discarding the battery and the sensor module 20 itself, leading to a reduction in the environmental burden.

[0035] Such a management device 10 may include a reading means 42. The reading means 42 reads individual identification information from a tire T equipped with the sensor module 20. Examples of the individual identification information of the tire T include manufacturing information, usage history, and the like. Here, the tire T includes an identification means 41 including the individual identification information. Examples of the identification means 41 include a QR code (registered trademark), a barcode, a label, and an RFID (Radio Frequency Identification) tag. In particular, to prevent reading errors due to wear or peeling of the identification means 41, it is preferable to use an RFID tag and embed it inside the tire. A reader / writer compatible with the identification means 41 can be used as the reading means 42. The information read by the reading means 42 may be configured to be directly stored in the memory area 17, or may be configured to be transmitted to the management device 10.

[0036] By reading the individual identification information of the tire T in this way, for example, the individual identification information of the sensor 23 can be linked to the individual identification information of the tire T, and changes over time can be understood and utilized for quality control of the tire T. Furthermore, when the sensor 23 needs to be replaced due to a malfunction, the task of linking the sensor 23 to the tire T can be easily performed.

[0037] Fig. 5 shows a pneumatic tire (tire T) that can be used as a target of a sensor module management device according to an embodiment of the present invention. As shown in Fig. 5, the pneumatic tire includes a tread portion 1 that extends in the circumferential direction of the tire and forms an annular shape, a pair of sidewall portions 2 disposed on both sides of the tread portion 1, and a pair of bead portions 3 disposed radially inward of the sidewall portions 2.

[0038] A carcass layer 4 is mounted between the pair of bead portions 3. This carcass layer 4 includes a plurality of reinforcing cords extending in the tire radial direction, and is folded back from the inside to the outside of the tire around a bead core 5 disposed in each bead portion 3. A bead filler 6 made of a rubber composition and having a triangular cross section is disposed on the outer periphery of the bead core 5. An inner liner layer 9 is disposed in the region between the pair of bead portions 3 on the tire inner surface Ts. This inner liner layer 9 forms the tire inner surface Ts.

[0039] Meanwhile, multiple belt layers 7 are embedded on the outer peripheral side of the carcass layer 4 in the tread portion 1. These belt layers 7 include multiple reinforcing cords that are inclined with respect to the tire circumferential direction, and are arranged so that the reinforcing cords cross each other between layers. In the belt layers 7, the inclination angle of the reinforcing cords with respect to the tire circumferential direction is set to a range of 10° to 40°, for example. Steel cords are preferably used as the reinforcing cords of the belt layers 7. At least one belt cover layer 8 is arranged on the outer peripheral side of the belt layers 7, with the aim of improving high-speed durability, and the reinforcing cords are arranged at an angle of, for example, 5° or less with respect to the tire circumferential direction. Organic fiber cords such as nylon and aramid cords are preferably used as the reinforcing cords of the belt cover layer 8.

[0040] The above-described tire internal structure is a typical example of a pneumatic tire, but is not limited to this.

[0041] In the pneumatic tire described above, at least one sensor module 20 can be attached to the tire inner surface Ts via a container 30. In this case, the power receiving unit 21 of the sensor module 20 is preferably disposed substantially parallel to the tire inner surface Ts. More specifically, the surface of the power receiving unit 21 facing the tire inner surface Ts is preferably disposed substantially parallel to a virtual line perpendicular to the normal to the tire inner surface Ts on which the sensor module 20 is installed. In such a substantially parallel arrangement, the following angles are permissible, taking into account that the tire inner surface generally has double curvature in the circumferential and width directions. The angle formed between the surface of the power receiving unit 21 facing the tire inner surface Ts and the tire inner surface Ts is preferably in the range of −10° to +10°, more preferably in the range of −5° to +5°, and most preferably in the range of −3° to +3°. Furthermore, an RFID tag is used as the identification means 41, and this RFID tag is embedded in the sidewall portion 2.

[0042] Arranging the power receiving unit 21 on the tire inner surface Ts in this manner is suitable for the power receiving unit 21 to receive power supplied from the power transmitting device 100 outside the tire. The power receiving unit 21 can be attached to the tire inner surface Ts corresponding to any of the tread portion 1, sidewall portion 2, and bead portion 3, but when the sensor function is intended to include road surface detection, wear detection, or fault detection, it is desirable to detect the behavior of the tire contact patch, so it is preferable to attach the power receiving unit 21 to the tire inner surface Ts corresponding to the tread portion 1.

[0043] 6(A) and 6(B), the container 30 includes a base 31 bonded to the tire inner surface Ts via an adhesive layer, a cylindrical side wall 32 protruding from the base 31, and an opening 33 communicating with the side wall 32. The sensor module 20 is configured to be freely accommodated in the container 30, and can be appropriately replaced in the event of a malfunction of the sensor module 20. In addition, it is preferable to use a flexible material, such as a rubber material, as the material for the container 30, as this material expands and contracts when the sensor module 20 is inserted or removed from the opening 33.

[0044] In the above-described embodiment, an example in which the sensor module management device according to the present invention is used for a pneumatic tire has been described, but the present invention is not limited to this, and the sensor module management device according to the present invention can also be used for a non-pneumatic tire. Also, in the above-described embodiment, an example in which an RFID tag is used as the identification means 41 and is embedded in the sidewall portion 2 has been described, but the present invention is not limited to this, and any type of identification means 41 can be disposed in any location.

[0045] REFERENCE SIGNS LIST 10 Sensor module management device 11 Information acquisition unit 12 Voltage acquisition unit 13 Power reception necessity determination unit 14 Power reception plan creation unit 15 Notification unit 16 Power reception status recording unit 17 Storage area 20 Sensor module 21 Power receiving unit 22 Power storage unit 23 Sensor 24 Electronic component 30 Container T Tire Ts Tire inner surface

Claims

A management device for a sensor module that integrally houses a power receiving unit that receives power, a power storage unit that stores the received power, and a sensor unit that includes a sensor that detects tire information, a power receiving necessity determination unit that compares the voltage value acquired by the voltage acquisition unit with a predetermined threshold value to determine whether power is required to be received by the power receiving unit; and a power receiving plan creation unit that creates a power receiving plan when the power receiving necessity determination unit determines that power receiving work by the power receiving unit is required.   The sensor module management device according to claim 1 , further comprising a notification unit that notifies a pre-registered contact when the power receiving plan is created.

3. The sensor module management device according to claim 1, further comprising a power receiving status recording unit that records the power receiving status of the power receiving unit when a power receiving operation is performed by the power receiving unit based on the power receiving plan.

4. The sensor module management device according to claim 1, further comprising a reading means for reading individual tire identification information from a tire provided with an identification means including the individual tire identification information.   The sensor module management device according to any one of claims 1 to 4, characterized in that the sensor module is fixed to the inner surface of the tire, and the power receiving unit is arranged parallel to the inner surface of the tire, and power receiving work is performed by the power receiving unit based on the power receiving plan for the tire.

Citation Information

Patent Citations

  • Wireless charging method, vehicle-mounted equipment and wireless charging device

    CN113595254A

  • Transponder, attached to tire, transponder-attached tire, and manufacturing method thereof

    JP2002214060A

  • Tire sensor unit

    JP2012206562A

  • transmitter

    JP2021022109A

  • Information processing device

    JP2021064287A