Matching system and method for tire pressure sensors

Abstract

This application provides a tire pressure sensor matching system and method. The matching system includes a matching device, which is connected to the communication module of a target device on a vehicle. The matching device outputs an activation signal to the tire pressure sensor to activate the tire pressure sensor within a preset distance from the matching device. It then receives the wireless signal output by the tire pressure sensor and obtains the identification value of the tire pressure sensor based on the wireless signal. The matching device is connected to the communication module in the target device of the vehicle and can send the obtained identification value to the communication module for storage, thus realizing tire pressure sensor matching. Based on this, it can prevent the matching device from receiving wireless signals from multiple tire pressure sensors simultaneously, reducing interference to the matching device and improving the success rate of tire pressure sensor matching.

Description

Technical Field

[0001] This application relates to the field of tire pressure detection technology for vehicles, and in particular to a tire pressure sensor matching system and method. Background Technology

[0002] With the increasing prevalence of tire pressure sensors, more and more vehicles are adopting them. The vehicle's Electronic Control Unit (ECU) system needs to write the sensor identification value of the tire pressure sensor to perform tire pressure detection correctly. Therefore, the tire pressure sensors need to undergo matching learning before the vehicle leaves the factory to bind them to the vehicle. However, the current method of obtaining sensor identification values ​​through radio frequency (RF) signal interaction receives RF signals from all nearby tire pressure sensors, leading to a failure to match the received RF signals with the actual tire pressure sensor. Furthermore, this RF signal interaction method is susceptible to external interference, which can also cause matching failures. Summary of the Invention

[0003] In view of the above, it is necessary to provide a tire pressure sensor matching system and method to solve at least one of the above technical problems.

[0004] In a first aspect, this application provides a tire pressure sensor matching system. The tire pressure sensor is mounted on the wheel of a vehicle, and the vehicle includes a target device equipped with a communication module. The matching system includes a matching device for connecting to the communication module. The matching device is used to: output an activation signal to a tire pressure sensor within a preset distance from the matching device to activate the tire pressure sensor; wherein the transmission distance of the activation signal is the preset distance, and there is only one tire pressure sensor within the preset distance of the matching device; receive a wireless signal output by the tire pressure sensor; the wireless signal includes an identification value of the tire pressure sensor, which is used to characterize the tire pressure sensor's identity information; obtain the identification value based on the wireless signal, and send the identification value to the communication module for storage, thereby realizing the matching of the tire pressure sensor.

[0005] In an optional implementation, the matching system further includes a verification device for connection to the communication module; the verification device is used to: acquire an identifier value stored in the communication module; compare the acquired identifier value with the stored identifier data; the identifier data includes identifier values ​​of several matched tire pressure sensors; when the identifier data contains information identical to the acquired identifier value, confirm that the vehicle's tire pressure sensor matching has failed and output a first alarm signal; when the identifier data does not contain information identical to the acquired identifier value, store the acquired identifier value.

[0006] In an optional implementation, the verification device is further configured to: when the acquired identifier value is a default initial value, confirm that the vehicle is in an unmatched state and output a second alarm signal.

[0007] In one optional embodiment, the vehicle is a motorcycle, which includes a front wheel and a rear wheel. The tire pressure sensor includes a front wheel sensor and a rear wheel sensor, with the front wheel sensor mounted on the front wheel and the rear wheel sensor mounted on the rear wheel. The matching device is further configured to: output activation signals to the front wheel sensor and the rear wheel sensor respectively; receive a first wireless signal output by the front wheel sensor and a second wireless signal output by the rear wheel sensor; obtain a first identification value of the front wheel sensor based on the first wireless signal, obtain a second identification value of the rear wheel sensor based on the second wireless signal, and send the first identification value and the second identification value to the communication module.

[0008] In one optional embodiment, the matching device includes a display panel, which is configured to: display first operation information; the first operation information prompts the user to bring the matching device closer to the front wheel so that the matching device outputs an activation signal to the front wheel sensor; after receiving a first wireless signal, display a second operation signal; the second operation information prompts the user to bring the matching device closer to the rear wheel so that the matching device outputs an activation signal to the rear wheel sensor; after receiving the second wireless signal, display third operation information; the third operation information prompts the user to connect the matching device to a communication module so that a first identification value and a second identification value are sent to the communication module.

[0009] In one optional embodiment, the matching device is further configured to: obtain a first distance between the wheels of the vehicles and a second distance between adjacent wheels of adjacent vehicles; determine a calibration distance based on the minimum of the first distance and the second distance, so as to calibrate the transmission distance to a preset distance based on the calibration distance; wherein the preset distance is less than the calibration distance.

[0010] In one optional embodiment, the matching device includes: an activation module for outputting an activation signal with a transmission distance of a preset distance; a receiving module for receiving wireless signals; a parsing module connected to the receiving module for parsing the wireless signals to obtain an identification value; a storage module connected to the parsing module for storing the identification value; and an output module connected to the storage module for connecting to a communication module and sending the identification value to the communication module.

[0011] In one alternative implementation, the target device is a vehicle display instrument.

[0012] In one alternative implementation, the communication module includes a Bluetooth chip, and the wireless signal is a Bluetooth signal.

[0013] In one optional implementation, the vehicle includes an on-board diagnostic interface connected to a communication module; a matching device is used to connect to the on-board diagnostic interface to send an identification value to the communication module through the on-board diagnostic interface; and a verification device is used to connect to the on-board diagnostic interface to obtain the identification value through the on-board diagnostic interface.

[0014] In one alternative implementation, the matching system further includes a server, which is communicatively connected to the verification device; the verification device is used to upload identification data to the server for storage.

[0015] Secondly, this application provides a matching method for a tire pressure sensor. The tire pressure sensor is installed on the wheel of a vehicle, and the vehicle also includes a target device equipped with a communication module. The matching method is applied to the matching system described above. The matching method includes: the matching device outputs an activation signal to the tire pressure sensor within a preset distance from the matching device to activate the tire pressure sensor; wherein the transmission distance of the activation signal is the preset distance, and there is only one tire pressure sensor within the preset distance of the matching device; the matching device receives a wireless signal output by the tire pressure sensor; the wireless signal includes an identification value of the tire pressure sensor, which is used to characterize the identity information of the tire pressure sensor; the matching device obtains the identification value according to the wireless signal and sends the identification value to the communication module for storage, thereby completing the matching of the tire pressure sensor.

[0016] In an optional implementation, the matching system further includes a verification device for connection to the communication module; the matching method further includes: the verification device acquiring an identifier value stored in the communication module; the verification device confirming whether there is information in the stored identifier data that is the same as the acquired identifier value; the identifier data includes identifier values ​​of several matched tire pressure sensors; when there is information in the identifier data that is the same as the acquired identifier value, the vehicle matching is confirmed to have failed, and the verification device outputs a first alarm signal; when there is no information in the identifier data that is the same as the acquired identifier value, the verification device stores the acquired identifier value; when the acquired identifier value is a default initial value, the vehicle is confirmed to be in an unmatched state, and the verification device outputs a second alarm signal.

[0017] In the above implementation method, the matching device outputs an activation signal to activate a tire pressure sensor within a preset distance, then receives the wireless signal output by the activated tire pressure sensor, and obtains the identification value of the tire pressure sensor based on the wireless signal. The matching device is connected to the communication module in the target device of the vehicle, and can send the obtained identification value to the communication module for storage, thereby realizing the matching of tire pressure sensors. Since the transmission distance of the activation signal of the matching device is a preset distance, and the matching device has only one tire pressure sensor within the preset distance, it can prevent the matching device from receiving wireless signals from multiple tire pressure sensors simultaneously, reducing interference to the matching device and improving the success rate of tire pressure sensor matching. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the vehicle and matching system provided in the embodiments of this application.

[0019] Figure 2 This is a schematic diagram of a vehicle and matching system provided in another embodiment of this application.

[0020] Figure 3 This is a schematic diagram of the vehicle and matching system provided in another embodiment of this application.

[0021] Figure 4 This is a schematic diagram of the vehicle and matching system provided in another embodiment of this application.

[0022] Figure 5 This is a schematic diagram of the matching device provided in the embodiments of this application.

[0023] Figure 6 This is a flowchart of a matching method provided in an embodiment of this application.

[0024] Figure 7 This is a partial flowchart of a matching method provided in an embodiment of this application. Detailed Implementation

[0025] It should be noted that in this application, "at least one" means one or more, and "more than one" means two or more. "And / or" describes the relationship between related objects, indicating that there can be three relationships. For example, A and / or B can mean: A exists alone, A and B exist simultaneously, or B exists alone.

[0026] The embodiments of this application provide a tire pressure sensor matching system and method, which can prevent the matching device from receiving wireless signals from multiple tire pressure sensors at the same time, reduce interference to the matching device, and improve the success rate of tire pressure sensor matching. The following will describe it in detail with reference to the corresponding drawings.

[0027] like Figure 1 As shown, the tire pressure sensor matching system 200 provided in this application embodiment can store the identification value of the tire pressure sensor 12, which represents its identity information, into the target device 13 of the vehicle 100, so as to realize the matching between the target device 13 of the vehicle 100 and the tire pressure sensor 12. The tire pressure sensor 12 is disposed on the wheel 11 of the vehicle 100, and the target device 13 is provided with a communication module 130.

[0028] It is understandable that a tire pressure sensor 12 needs to be installed on each wheel 11 to obtain the tire pressure information of the corresponding wheel 11 in real time. The vehicle 100 has two or more wheels, and the corresponding number of tire pressure sensors 12 is also two or more.

[0029] In this embodiment, the vehicle 100 can be any type of vehicle 100, such as a motorcycle, all-terrain vehicle, or electric vehicle. The target device 13 can be any device containing a communication module 130, such as a display instrument or intelligent central control unit of the vehicle 100.

[0030] It is understood that during the operation of vehicle 100, tire pressure sensor 12 can wirelessly communicate with communication module 130 in target device 13 to send real-time acquired tire pressure information to communication module 130. When target device 13 is a display instrument, the display instrument can display the real-time received tire pressure information for the driver to view. Alternatively, the display instrument can confirm whether the tire pressure of wheel 11 is normal based on the received tire pressure information. When the tire pressure of wheel 11 is abnormal, the display instrument can display a tire pressure abnormality warning signal to remind the driver. In this way, when the tire pressure of wheel 11 is too high or too low, the driver can check wheel 11 in time, reducing the occurrence of accidents such as tire blowout.

[0031] The communication module 130 can be a Bluetooth chip, enabling Bluetooth communication between the tire pressure sensor 12 and the Bluetooth chip in the target device 13. The wireless signal output by the tire pressure sensor 12 is a Bluetooth signal. The Bluetooth chip can only receive Bluetooth signals output by tire pressure sensors 12 that are paired with it, and will not receive Bluetooth signals output by tire pressure sensors 12 that are not paired with it. Based on this, the interaction between the tire pressure sensor 12 and the target device 13 via Bluetooth signals can reduce external interference and thus improve the accuracy of information exchange between the tire pressure sensor 12 and the target device 13.

[0032] In this embodiment of the application, the matching system 200 includes a matching device 21, which is used to connect to the communication module 130 in the target device 13.

[0033] The matching device 21 outputs an activation signal to the tire pressure sensor 12 to activate the tire pressure sensor 12 within a preset distance from the matching device 21. After activation, the tire pressure sensor 12 emits a wireless signal carrying its identification value. The matching device 21 receives the wireless signal output by the tire pressure sensor 12, obtains the identification value of the tire pressure sensor 12 based on the wireless signal, and then sends the identification value to the communication module 130 for storage. This achieves matching between the tire pressure sensor 12 and the vehicle 100. The transmission distance of the activation signal output by the matching device 21 is a preset distance, and only one tire pressure sensor 12 is within this preset distance.

[0034] In this embodiment, the matching device 21 outputs an activation signal to activate a tire pressure sensor 12 within a preset distance. Then, it receives the wireless signal output by the activated tire pressure sensor 12 and obtains the identification value of the tire pressure sensor 12 based on the wireless signal. The matching device 21 is connected to the communication module 130 in the target device 13 of the vehicle 100. The matching device 21 can send the obtained identification value to the communication module 130 for storage, thus achieving the matching of the tire pressure sensor 12. Since the transmission distance of the activation signal of the matching device 21 is a preset distance, and the matching device 21 has only one tire pressure sensor 12 within the preset distance, it can prevent the matching device 21 from receiving wireless signals from multiple tire pressure sensors 12 simultaneously, reducing interference to the matching device 21 and improving the success rate of tire pressure sensor 12 matching.

[0035] In addition, in this embodiment, the tire pressure sensor 12 is matched by connecting the matching device 21 and the communication module 130. There is no need to set up a separate receiving module to receive the identification value obtained by the matching device 21, which enables the reuse of the original communication module 130 in the target device 13 and reduces the matching cost.

[0036] In this embodiment, the identifier value is the identification mark of the tire pressure sensor 12. The communication module 130 can determine which tire pressure sensor 12 the wireless information comes from based on the identifier value carried in the received wireless signal.

[0037] The matching system 200 provided in this application embodiment can be applied in the stage before the vehicle 100 leaves the factory to complete the matching of the tire pressure sensor 12 before the vehicle 100 leaves the factory. Of course, the matching system 200 provided in this application embodiment can also be applied in the maintenance stage of the vehicle 100 to re-match the tire pressure sensor 12 when the vehicle 100 malfunctions or during maintenance.

[0038] In some embodiments, the matching device 21 can be a handheld device, held by a relevant operator and brought close to the tire pressure sensor 12, so that only one tire pressure sensor 12 is within a preset distance of the matching device 21. The handheld device can output an activation signal to activate the tire pressure sensor 12, receive the wireless signal output by the tire pressure sensor 12, and write the identification value of the tire pressure sensor 12 into the communication module 130.

[0039] Furthermore, the matching device 21 can be a handheld device based on a general-purpose terminal device. This general-purpose terminal device can be a mobile terminal, such as a smartphone. When the handheld device runs software for matching the tire pressure sensor 12, it can output an activation signal, receive wireless signals, and write an identifier value to the communication module 130.

[0040] like Figure 2 As shown, in some embodiments, the vehicle 100 is a motorcycle, which includes a front wheel 111 and a rear wheel 112. The tire pressure sensor 12 includes a front wheel sensor 121 and a rear wheel sensor 122, with the front wheel sensor 121 disposed on the front wheel 111 and the rear wheel sensor 122 disposed on the rear wheel 112. The matching device 21 is used to match the front wheel sensor 121 with the target device 13 and the rear wheel sensor 122 with the target device 13, respectively.

[0041] Specifically, the matching device 21 can sequentially output activation signals to the front wheel sensor 121 and the rear wheel sensor 122. After the front wheel sensor 121 and the rear wheel sensor 122 are activated, the matching device 21 receives the first wireless signal output by the front wheel sensor 121 and the second wireless signal output by the rear wheel sensor 122, then obtains the first identification value of the front wheel sensor 121 based on the first wireless signal, obtains the second identification value of the rear wheel sensor 122 based on the second wireless signal, and sends the first identification value and the second identification value to the communication module 130. The communication module 130 stores the first identification value and the second identification value, thus completing the matching of the front wheel sensor 121 and the rear wheel sensor 122.

[0042] Furthermore, the matching device 21 may include a display panel 211. The display panel 211 can be used to display operation information prompting the user to perform operations.

[0043] Specifically, after the matching device 21 is turned on, the display panel 211 can first display the first operation information. The first operation information is used to prompt the user to bring the matching device 21 close to the front wheel 111, so that the matching device 21 outputs an activation signal to the front wheel sensor 121 to activate the front wheel sensor 121. After the front wheel sensor 121 is activated by the activation signal, it outputs a first wireless signal. The matching device 21 receives the first wireless signal, obtains the identification value of the front wheel sensor 121 according to the first wireless signal, and saves it.

[0044] Then, the display panel 211 displays second operation information, which prompts the user to bring the matching device 21 close to the rear wheel 112 so that the matching device 21 outputs an activation signal to the rear wheel sensor 122, activating the rear wheel sensor 122. After being activated by the activation signal, the rear wheel sensor 122 outputs a second wireless signal. The matching device 21 receives the second wireless signal, obtains the identification value of the rear wheel sensor 122 based on the second wireless signal, and saves it.

[0045] It is understood that when the matching device 21 approaches the front wheel 111, only the front wheel sensor 121 is within a preset distance of the matching device 21. When the matching device 21 approaches the rear wheel 112, only the rear wheel sensor 122 is within a preset distance of the matching device 21. When the distance between the matching device 21 and the tire pressure sensor 12 exceeds the preset distance, the tire pressure sensor 12 goes into sleep mode and stops transmitting wireless signals.

[0046] Then, the display panel 211 displays the third operation information, which prompts the user to connect the matching device 21 to the communication module 130. After the matching device 21 is connected to the communication module 130, the matching device 21 sends the saved first and second identification values ​​to the communication module 130 for storage, thereby realizing the matching of the front wheel sensor 121 and the rear wheel sensor 122.

[0047] It is understood that the vehicle 100 may be provided with an interface for the matching device 21 to connect to the communication module 130. The user connects the matching device 21 to the interface to connect the matching device 21 to the communication module 130.

[0048] In some embodiments, the display panel 211 may also be used to display the identification value of the currently matched tire pressure sensor 12 for the user to view.

[0049] like Figure 2 , Figure 3 and Figure 4 As shown, in some embodiments, the matching system 200 further includes a verification device 22, which is connected to the communication module 130. The verification device 22 is used to obtain the identification values ​​stored in the communication module 130 and compare the identification values ​​obtained from the communication module 130 with its stored identification data. The number of identification values ​​obtained by the verification device 22 from the communication module 130 is consistent with the number of wheels 11 of the vehicle 100. The identification data includes the identification values ​​of several matched tire pressure sensors 12, that is, the identification data includes the identification values ​​of multiple tire pressure sensors 12. It can be understood that the matched tire pressure sensors 12 here are not the tire pressure sensors 12 corresponding to the identification values ​​currently obtained by the verification device 22, but rather the tire pressure sensors 12 that have been successfully verified and matched by the verification device 22 previously.

[0050] When the identification data contains information identical to the identification value obtained from the communication module 130, it indicates that the tire pressure sensor 12 matched for this vehicle 100 is duplicated with the tire pressure sensor 12 previously matched for this vehicle 100. The verification device 22 confirms that the tire pressure sensor 12 matching for this vehicle 100 has failed and outputs a first alarm signal to remind the user of the tire pressure sensor 12 matching failure. The user can check the correctness of the identification value of the vehicle 100 that previously underwent tire pressure sensor 12 matching based on the first alarm signal output by the verification device 22. After identifying the vehicle 100 with incorrect identification values, the user can re-match the tire pressure sensor 12 for that vehicle 100.

[0051] When there is no information in the identification data that is the same as the identification value obtained from the communication module 130, the verification device 22 stores the identification value obtained from the communication module 130 as part of the identification data.

[0052] Therefore, by verifying the identification value stored in the communication module 130 of the vehicle 100 that has been matched with the tire pressure sensor 12 through the verification device 22, the matching error prevention mechanism is increased, and vehicles 100 that have been matched incorrectly can be identified in a timely manner. Vehicles 100 that have been matched incorrectly are re-matched, thereby further improving the success rate of tire pressure sensor 12 matching and preventing vehicles 100 that have been matched incorrectly from entering the market.

[0053] Furthermore, the verification device 22 can also be used to compare the identifier value obtained from the communication module 130 with the default initial value. When the identifier value is the default initial value, it is confirmed that the vehicle 100 is in an unmatched state. When the identifier value is not the default initial value, it is confirmed that the vehicle 100 has matched, and then the obtained identifier value is compared with the stored identifier data.

[0054] When the verification device 22 confirms that the vehicle 100 is in an unmatched state, the verification device 22 outputs a second alarm signal to remind the user that the vehicle 100 is unmatched. Thus, the verification device 22 can also detect whether the vehicle 100 has been matched by the tire pressure sensor 12, adding a matching leak prevention mechanism to prevent the vehicle 100 from entering the market without being matched by the tire pressure sensor 12.

[0055] The default initial value is the identifier value stored in the communication module 130 when the vehicle 100 has not yet matched the tire pressure sensor 12. The default initial value can be, for example, "0000" or "FFFF".

[0056] In this embodiment, the verification device 22 may include a display screen (not shown) to display the first alarm signal and the second alarm signal, reminding the user that vehicle 100 is mismatched or not matched. Alternatively, the verification device 22 may include an indicator light, which illuminates when the verification device 22 outputs the first alarm signal and flashes when the verification device 22 outputs the second alarm signal. Alternatively, the verification device 22 may include a buzzer, which alerts the user when the verification device 22 outputs the first or second alarm signal. Of course, different indicator lights may also be used to indicate the two alarm signals respectively. This embodiment does not limit how the verification device 22 alerts the user using the first and second alarm signals.

[0057] It is understood that in this embodiment of the application, when there is no information in the identification data that is the same as the identification value obtained from the communication module 130, the verification device 22 can also output a signal indicating a successful match.

[0058] In some embodiments, the verification device 22 can also be used to detect faults in the vehicle 100, such as detecting whether the vehicle 100 has brake faults, anti-theft faults, or indicator light faults.

[0059] like Figure 3 and Figure 4 As shown, in some embodiments, the matching system 200 may further include a server 23, which is communicatively connected to the verification device 22. The verification device 22 is used to upload identification data to the server 23 for storage.

[0060] It is understood that the storage capacity of the verification device 22 is limited. In order to archive the identification values ​​of all matched tire pressure sensors 12, the verification device 22 uploads its stored identification data to the server 23. The verification device 22 then clears the stored identification data so that it can store the identification values ​​of tire pressure sensors 12 to be matched later.

[0061] The verification device 22 and the server 23 can be connected via wired or wireless communication. The server 23 can be a cloud server.

[0062] like Figure 4 As shown, in some embodiments, vehicle 100 includes an On-Board Diagnostics (OBD) interface 14, which is connected to the communication module 130 of target device 13. Matching device 21 is used to connect to OBD interface 14 to send an identification value to communication module 130 via OBD interface 14. It can be understood that matching device 21 writes the identification value to communication module 130 via OBD interface 14.

[0063] Verification device 22 is also used to connect to OBD interface 14 to obtain identification values ​​through OBD interface 14. It can be understood that verification device 22 can read identification values ​​from communication module 130 through OBD interface 14.

[0064] Understandably, after the matching device 21 receives the wireless signals output by the tire pressure sensors 12 of all wheels 11 of the vehicle 100, the user can connect the matching device 21 to the OBD interface 14 to write the acquired identification values ​​of the tire pressure sensors 12 to the communication module 130. Then, the user can disconnect the matching device 21 from the OBD interface 14 and connect the verification device 22 to the OBD interface 14 so that the verification device 22 can read the identification values ​​stored in the communication module 130.

[0065] Of course, after the matching device 21 completes the matching of tire pressure sensors 12 for multiple vehicles 100, the user can use the verification device 22 to check whether there are duplicates or omissions in the matching of the multiple vehicles 100.

[0066] Before vehicle 100 leaves the factory, the tire pressure sensors 12 of multiple vehicles 100 need to be matched. Multiple vehicles 100 are placed in the same place, and there will be multiple tire pressure sensors 12 of multiple vehicles 100 in the same place. In order to ensure that only one tire pressure sensor 12 is matched at a time, the preset distance needs to be calibrated according to the distance between each wheel 11.

[0067] To this end, the matching device 21 is also used to obtain a first distance between the wheels 11 of the vehicle 100 and a second distance between adjacent wheels 11 of adjacent vehicles 100. The matching device 21 determines a calibration distance based on the minimum of the first distance and the second distance, so as to calibrate the transmission distance of the matching device 21 to a preset distance based on the calibration distance. The preset distance is less than the calibration distance.

[0068] Taking vehicle 100 as a motorcycle as an example, two adjacent motorcycles are placed one behind the other, namely the first motorcycle and the second motorcycle. The first gap is the distance between the front wheel 111 and the rear wheel 112 of the first motorcycle / second motorcycle, and the second gap is the distance between the rear wheel 112 of the first motorcycle and the front wheel 111 of the second motorcycle. The matching device 21 obtains the first gap and the second gap. When the first gap is greater than the second gap, the second gap is used as the calibration distance; when the first gap is less than the second gap, the first gap is used as the calibration distance.

[0069] The user can calibrate the transmission distance of the activation signal of the matching device 21 according to the calibration distance, so as to calibrate the transmission distance to a preset distance that is less than the calibration distance. In this way, since the calibration distance is the smaller value between the wheel 11 spacing, and the preset distance is less than the calibration distance, it can be ensured that when the matching device 21 is close to a wheel 11 of the vehicle 100, there is only one tire pressure sensor 12 within the transmission distance range of the activation signal of the matching device 21. This ensures that only the tire pressure sensor 12 on the wheel 11 that the matching device 21 is close to can be activated, and only the wireless signal output by that tire pressure sensor 12 can be received. This ensures that the matching device 21 will not receive the wireless signals output by other tire pressure sensors 12, and prevents the matching device 21 from being interfered with.

[0070] In this embodiment, the user can calibrate the transmission distance by adjusting the power of the activation signal output by the matching device 21.

[0071] In some specific examples, the preset distance is 70% of the calibration distance. Of course, the embodiments of this application do not limit the specific relationship between the preset distance and the calibration distance. For example, the preset distance can also be 90%, 80%, 60% of the calibration distance, etc.

[0072] like Figure 5 As shown, in some embodiments, the matching device 21 may include an activation module 212, a receiving module 213, a parsing module 214, a storage module 215, and an output module 216.

[0073] The activation module 212 outputs an activation signal with a transmission distance of a preset distance. The receiving module 213 receives the wireless signal output by the tire pressure sensor 12. The parsing module 214 is connected to the receiving module 213 and parses the wireless signal received by the receiving module 213 to obtain an identification value. The storage module 215 is connected to the parsing module 214 and stores the identification value parsed by the parsing module 214. The output module 216 is connected to the tire pressure sensor 130 and connects to the communication module 130, sending the identification value stored in the storage module 215 to the communication module 130.

[0074] In a specific example, activation module 212 can be a low-frequency wireless signal transmitter, and the activation signal output by activation module 212 is a low-frequency wireless signal, which activates and wakes up tire pressure sensor 12. Receiving module 213 can be a Bluetooth receiver, and correspondingly, the wireless signal output by tire pressure sensor 12 is a Bluetooth signal. Parsing module 214 can be a decoder integrated into the Bluetooth receiver to convert the received Bluetooth signal into readable data, thereby extracting the identification value carried in the wireless signal output by tire pressure sensor 12. Storage module 215 can be a register that stores the identification value obtained from the wireless signal. When matching device 21 is connected to communication module 130, output module 216 sends the identification value in the register to communication module 130.

[0075] When vehicle 100 is a motorcycle, storage module 215 can store the identification values ​​of two tire pressure sensors 12 at a time, that is, storage module 215 can store the identification values ​​of the front wheel sensor 121 and the rear wheel sensor 122 of the motorcycle at a time. During the next tire pressure matching, the identification value newly acquired by parsing module 214 will overwrite the identification value previously stored by storage module 215.

[0076] In this example, the low-frequency wireless signal transmitter, Bluetooth receiver, register, and output module 216 can be integrated into a single unit.

[0077] Please see Figure 6 , Figure 6 A flowchart of a matching method for a tire pressure sensor 12 is provided for an embodiment of this application. In at least one specific embodiment, the matching method is applied to the aforementioned matching system 200.

[0078] like Figure 6 As shown, the matching methods include: Step S110: The matching device outputs an activation signal to the tire pressure sensor to activate the tire pressure sensor within a preset distance from the matching device.

[0079] The matching device 21 in the matching system 200 outputs an activation signal to the tire pressure sensor 12 to activate and wake up the tire pressure sensor 12 within a preset distance from the matching device 21. The transmission distance of the activation signal is the preset distance, and there is only one tire pressure sensor 12 within the preset distance of the matching device 21.

[0080] Step S120: The matching device receives the wireless signal output by the tire pressure sensor.

[0081] When tire pressure sensor 12 is activated, it outputs a wireless signal. Matching device 21 receives this wireless signal. The wireless signal includes the identification value of tire pressure sensor 12.

[0082] Step S130: The matching device obtains the identification value based on the wireless signal and sends the identification value to the communication module for storage.

[0083] After the matching device 21 obtains the identification value based on the wireless signal, it sends the identification value to the communication module 130 for the communication module 130 to store the identification value and complete the matching of the tire pressure sensor 12.

[0084] In this embodiment of the application, steps S120 to S130 are performed by the matching device 21.

[0085] like Figure 7 As shown, in one embodiment of this application, the matching method may further include: Step S210: The verification device obtains the identification value stored in the communication module.

[0086] The identification value stored in the communication module 130 is obtained by the verification device 22 in the matching system 200.

[0087] Step S220: The verification device confirms whether the stored identification data contains information that is the same as the acquired identification value.

[0088] The identification data includes the identification values ​​of several matched tire pressure sensors 12, meaning the identification data includes the identification values ​​of multiple tire pressure sensors 12. The verification device 22 compares the acquired identification values ​​with the identification values ​​in the identification data one by one.

[0089] Step S230: When the identification data contains information that is the same as the acquired identification value, the vehicle matching is confirmed to have failed, and the verification device outputs the first alarm signal.

[0090] The presence of information identical to the acquired identification value in the identification data means that among several identification values ​​in the identification data, there is an identification value that is the same as the identification value currently acquired by the verification device 22. When there is information identical to the identification value acquired from the communication module 130 in the identification data, it indicates that the tire pressure sensor 12 matched by the vehicle 100 is duplicated with the tire pressure sensor 12 previously matched by the vehicle 100. The verification device 22 confirms that the tire pressure sensor 12 of the vehicle 100 has failed to match, and the verification device 22 outputs a first alarm signal to remind the user that the tire pressure sensor 12 has failed to match.

[0091] Step S240: When there is no information in the identification data that is the same as the identification value, the verification device stores the identification value.

[0092] When there is no information in the identification data that is the same as the identification value obtained from the communication module 130, the verification device 22 stores the identification value obtained from the communication module 130 as part of the identification data.

[0093] The verification device 22 can also compare the identifier value obtained from the communication module 130 with the default initial value. When the identifier value is the default initial value, it confirms that the vehicle 100 is in an unmatched state. When the verification device 22 confirms that the vehicle 100 is in an unmatched state, it outputs a second alarm signal to remind the user that the vehicle 100 is unmatched. Thus, the verification device 22 can detect whether the vehicle 100 has been matched by the tire pressure sensor 12.

[0094] For details on the specific implementation of the matching method in this application embodiment, please refer to the aforementioned matching system 200, which will not be repeated here.

[0095] In the several embodiments provided in this application, it should be understood that the disclosed systems, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of modules is only a logical functional division, and other division methods may exist in actual implementation. Modules described as separate components may or may not be physically separate, and components shown as modules may or may not be physical units, i.e., they may be located in one place or distributed across multiple network units. Some or all of the modules can be selected to achieve the purpose of this embodiment according to actual needs.

[0096] Furthermore, the functional modules in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or in the form of hardware plus software functional modules.

[0097] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application and are not intended to limit it. Although this application has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this application without departing from the spirit and scope of the technical solutions of this application.

Claims

1. A tire pressure sensor matching system, wherein the tire pressure sensor is disposed on a wheel of a vehicle, the vehicle including a target device equipped with a communication module, characterized in that, The matching system includes a matching device, which is used to connect to the communication module; the matching device is used for: An activation signal is output to the tire pressure sensor within a preset distance from the matching device to activate the tire pressure sensor; wherein, there is only one tire pressure sensor within the preset distance of the matching device; The device receives a wireless signal output from the tire pressure sensor; the wireless signal includes an identification value of the tire pressure sensor, which is used to characterize the tire pressure sensor's identity information. The identification value is obtained based on the wireless signal, and the identification value is sent to the communication module for storage, thereby enabling the matching of the tire pressure sensor.

2. The matching system as described in claim 1, characterized in that, The matching system further includes a verification device, which is configured to connect to the communication module; the verification device is used for: Obtain the identifier value stored in the communication module; The identification value is compared with the stored identification data; the identification data includes the identification values ​​of several matched tire pressure sensors. When the identification data contains information that is the same as the acquired identification value, it is confirmed that the tire pressure sensor of the vehicle has failed to match, and a first alarm signal is output. When there is no information in the identification data that is the same as the acquired identification value, the acquired identification value is stored.

3. The matching system as described in claim 2, characterized in that, The verification device is also used for: When the acquired identifier value is the default initial value, it is confirmed that the vehicle is in an unmatched state, and a second alarm signal is output.

4. The matching system as described in claim 1, characterized in that, The matching device is also used for: Obtain the first distance between the wheels of the vehicle and the second distance between the adjacent wheels of the adjacent vehicle; A calibration distance is determined based on the minimum value of the first spacing and the second spacing, so that the transmission distance is calibrated to the preset distance based on the calibration distance; wherein the preset distance is less than the calibration distance.

5. The matching system as described in claim 1, characterized in that, The target device is the vehicle's display instrument.

6. The matching system as described in claim 1, characterized in that, The communication module includes a Bluetooth chip, and the wireless signal is a Bluetooth signal.

7. The matching system as described in claim 2, characterized in that, The vehicle includes an on-board diagnostic interface connected to the communication module; the matching device is used to connect to the on-board diagnostic interface to send the identification value to the communication module through the on-board diagnostic interface; the verification device is used to connect to the on-board diagnostic interface to obtain the identification value through the on-board diagnostic interface.

8. The matching system as described in claim 2, characterized in that, The matching system further includes a server, which is communicatively connected to the verification device; the verification device is used to upload the identification data to the server for storage.

9. A method for matching tire pressure sensors, applied to the matching system as described in any one of claims 1 to 8, characterized in that, The matching method includes: The matching device outputs an activation signal to the tire pressure sensor within a preset distance from the matching device to activate the tire pressure sensor; wherein, the transmission distance of the activation signal is the preset distance, and there is only one tire pressure sensor within the preset distance of the matching device; The matching device receives the wireless signal output by the tire pressure sensor; the wireless signal includes the identification value of the tire pressure sensor, which is used to characterize the identity information of the tire pressure sensor; The matching device obtains the identification value based on the wireless signal and sends the identification value to the communication module for storage, thereby completing the matching of the tire pressure sensor.

10. The matching method as described in claim 9, characterized in that, The matching method further includes: The verification device obtains the identification value stored in the communication module; The verification device confirms whether there is information in the stored identification data that is the same as the acquired identification value; the identification data includes the identification values ​​of several matched tire pressure sensors; When the identification data contains information that is the same as the acquired identification value, the vehicle matching is confirmed to have failed, and the verification device outputs a first alarm signal; When there is no information in the identification data that is the same as the acquired identification value, the verification device will store the acquired identification value; When the obtained identifier value is the default initial value, it is confirmed that the vehicle is in an unmatched state, and the verification device outputs a second alarm signal.

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