CN211166267U - Tire pressure monitoring sensor and tire - Google Patents
Tire pressure monitoring sensor and tire Download PDFInfo
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- CN211166267U CN211166267U CN201921747549.1U CN201921747549U CN211166267U CN 211166267 U CN211166267 U CN 211166267U CN 201921747549 U CN201921747549 U CN 201921747549U CN 211166267 U CN211166267 U CN 211166267U
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Abstract
An embodiment of the utility model provides a tire pressure monitoring sensor and tire, including printed circuit board PCBA, near field communication NFC chip, NFC antenna and shell, this kind of structure including NFC chip and NFC antenna for tire pressure monitoring sensor supports near field transmission, thereby has avoided tire pressure monitoring sensor's data transmission can receive the problem of wireless communication process's interference. Go on PCBA, NFC chip and NFC antenna through the shell, carry out rational layout to inside each part simultaneously, the space in the rational utilization space to be favorable to prolonging tire pressure monitoring sensor's life.
Description
Technical Field
The utility model belongs to the technical field of the vehicle safety technique and specifically relates to a tire pressure monitoring sensor and tire are related to.
Background
The tire Pressure monitoring system (tpms) is an auxiliary system installed on an automobile tire for monitoring the tire Pressure in real time, and a transmitter including a high-sensitivity sensor chip is installed on each wheel, so that data such as the Pressure and temperature of the tire are monitored in real time in a driving or static state, and are transmitted to a controller in a wireless radio frequency manner, and an alarm is given when the tire leaks air or has low air Pressure, so as to ensure the driving safety.
At present, methods for updating the TPMS sensor through wireless communication exist, but the TPMS sensor needs to be updated through a special handheld tool, and the handheld tool is expensive, so that additional economic burden is increased. On the other hand, interference is easily received in the wireless communication process, and the successful implementation of the TPMS sensing updating process cannot be ensured.
In practical applications, the inventor finds that data transmission of the existing tire pressure monitoring sensor is interfered by a wireless communication process.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a tire pressure monitoring sensor and tire for the data transmission who solves current tire pressure monitoring sensor among the prior art can receive the problem of wireless communication process's interference.
In view of the above technical problems, an embodiment of the present invention provides a tire pressure monitoring sensor, including a printed circuit board PCBA, a near field communication NFC chip, an NFC antenna, and a housing;
the NFC antenna and the PCBA are arranged in a space formed by the shell;
the NFC chip is arranged on the PCBA and connected with the NFC antenna;
wherein the NFC antenna transmits data received by NFC technology into the NFC chip.
Optionally, the housing includes a face shell and a bottom shell, and an antenna placement area for fixing the NFC antenna is disposed on the bottom shell;
the NFC antenna is fixed in the antenna placing area;
the PCBA is arranged on the NFC antenna in the direction from the bottom shell to the face shell, and the NFC antenna is connected with the NFC chip through the PCBA;
the face shell covers the PCBA and forms the shell with the bottom shell.
Optionally, the housing includes a face shell and a bottom shell, and an antenna placement area for fixing the NFC antenna is disposed on the face shell;
the NFC antenna is fixed in the antenna placing area;
the PCBA is arranged on the NFC antenna in the direction from the face shell to the bottom shell, and the NFC antenna is connected with the NFC chip through the PCBA;
the bottom shell covers the PCBA and forms the shell together with the face shell.
Optionally, the NFC antenna is connected to the PCBA through a connection wire or a metal contact thimble, and is connected to the NFC chip through the PCBA.
Optionally, a tire pressure sensor for monitoring the air pressure in the tire is further arranged on the PCBA.
Optionally, the housing is formed of plastic.
Optionally, a power supply battery for supplying power to the PCBA is further included;
the power supply battery is connected with the PCBA and is arranged in a battery placing area arranged in the shell.
The embodiment provides a tire, which comprises the tire pressure monitoring sensor, wherein the tire pressure monitoring sensor is locked on a valve of the tire or attached to the inner rubber surface of the tire.
An embodiment of the utility model provides a tire pressure monitoring sensor and tire, including printed circuit board PCBA, near field communication NFC chip, NFC antenna and shell, this kind of structure including NFC chip and NFC antenna for tire pressure monitoring sensor supports near field transmission, thereby has avoided tire pressure monitoring sensor's data transmission can receive the problem of wireless communication process's interference. Go on PCBA, NFC chip and NFC antenna through the shell, carry out rational layout to inside each part simultaneously, the space in the rational utilization space to be favorable to prolonging tire pressure monitoring sensor's life.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an NFC antenna mounted in a bottom shell region of a tire pressure monitoring sensor housing according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an NFC antenna installed in a face shell region of a tire pressure monitoring sensor housing according to another embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of the NFC antenna mounted in the bottom case area of the tire air pressure monitoring sensor housing provided in the present embodiment, and referring to fig. 1, the tire air pressure monitoring sensor includes a printed circuit board PCBA102, a near field communication NFC chip (not shown in the figure), an NFC antenna 104, and a housing (including a face case 106 and a bottom case 101);
the NFC antenna 104 and the PCBA102 are disposed within a space formed by the housing;
the NFC chip is disposed on the PCBA102 and connected to the NFC antenna 104;
the NFC antenna 104 transmits data received by NFC technology to the NFC chip.
The tire pressure monitoring sensor provided by the embodiment is provided with the NFC chip and the NFC antenna, and can support a near field transmission (NFC) technology. The user can realize data transmission with the tire pressure monitoring sensor through the mobile phone supporting the NFC function.
This embodiment provides a tire pressure monitoring sensor, including printed circuit board PCBA, near field communication NFC chip, NFC antenna and shell, this kind of structure including NFC chip and NFC antenna for tire pressure monitoring sensor supports near field transmission, thereby has avoided tire pressure monitoring sensor's data transmission can receive the problem of the interference of wireless communication process. Go on PCBA, NFC chip and NFC antenna through the shell, carry out rational layout to inside each part simultaneously, the space in the rational utilization space to be favorable to prolonging tire pressure monitoring sensor's life.
Fig. 2 is a schematic structural diagram of the NFC antenna provided in this embodiment mounted in the area of the face shell of the tire pressure monitoring sensor housing. Referring to fig. 1 and 2, the present application provides two configurations of tire pressure monitoring sensors.
First structure referring to fig. 1, on the basis of the above embodiment, the housing includes a front shell 106 and a bottom shell 101, and an antenna placement area 1051 for fixing the NFC antenna is disposed on the bottom shell 101;
the NFC antenna 104 is fixed to the antenna placement region 1051;
in the direction from the bottom case 101 to the face case 106, the PCBA102 is disposed on the NFC antenna 104, the NFC antenna 104 being connected with the NFC chip through the PCBA 102;
the face shell 106 overlies the PCBA102, forming the housing with the bottom shell 101.
Second structure referring to fig. 2, on the basis of the above embodiment, the housing includes a front shell 106 and a bottom shell 101, an antenna placement area 1052 for fixing the NFC antenna is disposed on the front shell 106;
the NFC antenna 104 is fixed at the antenna placement area 1052;
in the direction from the front shell 106 to the bottom shell 101, the PCBA102 is disposed on the NFC antenna 104, and the NFC antenna 104 is connected with the NFC chip through the PCBA 102;
the bottom case 101 covers the PCBA102, forming the housing with the face case 106.
This embodiment provides two kinds of tire pressure monitoring sensor's structure, and the difference lies in that the antenna that sets up and is used for fixed NFC antenna 104 places the position in district different, and NFC antenna's stability can be guaranteed to these two kinds of structures homoenergetic, and connects between other structures closely, has saved the space of shell ability, is favorable to reducing tire pressure monitoring sensor's volume.
Further, on the basis of the above embodiments, the NFC antenna 104 is connected to the PCBA102 through a connection wire or a metal contact pin (103 in fig. 1 or fig. 2), and is connected to the NFC chip through the PCBA 102.
And data transmission between the NFC antenna and the NFC chip is realized through a connecting wire or a metal contact thimble.
Further, on the basis of the above embodiments, the PCBA102 is further provided with a tire pressure sensor for monitoring the air pressure in the tire.
Both the tire pressure sensor and the NFC chip are integrated on the PCBA 102.
Further, on the basis of the above embodiments, the housing is formed of plastic.
The shell forming the tire pressure monitoring sensor is formed by plastic, the plastic has better strength and toughness, impact caused by external force can be relieved, and all parts in the shell are protected.
Further, on the basis of the above embodiments, as shown in fig. 1 and 2, the PCBA electrical connector further comprises a power supply battery 107 for supplying power to the PCBA 102;
the power supply battery 107 is connected to the PCBA102 and is disposed in a battery placement area provided within the housing.
It can be understood that the power supply battery 107 supplies power to the PCBA, that is, can also supply power to the NFC chip and the tire pressure sensor integrated thereon, and ensures that the tire pressure monitoring sensor is in an operating state.
The embodiment provides a tire, which comprises the tire pressure monitoring sensor, wherein the tire pressure monitoring sensor is locked on a valve of the tire or attached to the inner rubber surface of the tire.
The following provides an application of a tire pressure monitoring sensor.
The tire pressure monitoring system based on the near field communication comprises a server, a terminal supporting the near field communication and a tire pressure monitoring sensor supporting the near field communication;
the terminal acquires the vehicle information of the vehicle where the tire pressure monitoring sensor is located after receiving first request information for updating the tire pressure monitoring sensor, and sends the vehicle information to the server;
after receiving the vehicle information, the server inquires updating information corresponding to the vehicle information and sends the updating information to the terminal;
the terminal receives the updating information, and after detecting that the near field communication connection is established with the tire pressure monitoring sensor, the updating information is sent to the tire pressure monitoring sensor;
wherein the update information includes configuration information to configure the tire pressure monitoring sensor or programming information to program the tire pressure monitoring sensor; the vehicle information includes a vehicle brand and a vehicle model.
Optionally, the method further comprises:
after detecting that the terminal establishes near field communication connection with the tire pressure monitoring sensor, if receiving second request information for acquiring tire pressure monitoring data for monitoring a tire, the terminal sends the second request information to the tire pressure monitoring sensor;
and after receiving the second request information, the tire pressure monitoring sensor sends the stored tire pressure monitoring data to the terminal through the established near field communication connection, and the terminal displays the received tire pressure monitoring data.
Optionally, the method further comprises:
the terminal sends the received tire pressure monitoring data to the server, and the server stores the received tire pressure monitoring data.
Optionally, the terminal is a smart phone or a handheld tablet computer.
Optionally, the method further comprises:
the terminal acquires the update information and the vehicle information corresponding to the update information after receiving a third request message for uploading the update information of the vehicle to the server, and sends the update information and the vehicle information corresponding to the update information to the server;
the server stores the received update information in association with the vehicle information corresponding to the update information.
Optionally, after the tire pressure monitoring sensor establishes a near field communication connection with the terminal, the antenna receives update information sent by the terminal, and the processing module processes the update information;
wherein the update information includes configuration information to configure the tire pressure monitoring sensor or programming information to program the tire pressure monitoring sensor.
Optionally, the antenna is fixed on a sealing surface cover or a sealing bottom cover of the tire pressure monitoring sensor;
the antenna and the main printed circuit board in the processing module are conducted through welding by adopting a metal lead, or the antenna and the main printed circuit board in the processing module are conducted through adopting a metal contact thimble.
An embodiment of the utility model provides a tire pressure monitoring system, sensor, tire and vehicle based on near field communication, this tire pressure monitoring system include the server, support near field communication's terminal and support near field communication's tire pressure monitoring sensor. After the terminal acquires the update information for updating the tire pressure monitoring sensor from the server, the update information is transmitted to the tire pressure monitoring sensor through the connection of near field communication established between the terminal and the server, so that the tire pressure monitoring sensor can realize the information reconfiguration or programming process. The terminal and the tire pressure monitoring sensor are connected through near field communication, and compared with wireless communication, the near field communication avoids interference of irrelevant signals and ensures normal operation of a communication process. Because the interference of irrelevant signals is avoided, extra processing messages are not required to be added in the near field communication process for encryption and error prevention, and the cost is reduced.
Specifically, the RF adopted by the tire pressure monitoring sensor supporting near field communication of the present embodiment is in the range from 315MHz to 433 MHz; adopting a carrier modulation mode of FSK (frequency shift keying modulation), ASK (amplitude shift keying modulation) or OOK (binary on-off keying); different RF data encoding modes are adopted for communication, and the main baud rate of data transmission is 4.8K bits, 9.6K bits and 19.2K bits.
The L F low-frequency communication adopted by the tire pressure monitoring sensor supporting near field communication of the embodiment generally adopts a 125KHz carrier wave, adopts a modulation and non-modulation mode, and the baud rate of data transmission generally adopts 9600 bits.
The NFC adopted by the tire pressure monitoring sensor supporting the near field communication is mainly operated in a public 13.56MHz frequency band, the data transmission rate is up to 106K bits to 424K bits by adopting the ISO/IEC 18000-3 standard of wireless transmission, and compared with the 9600 bit of L F (low frequency), the data transmission rate is 10 times to 42 times higher, so that the speed is greatly increased on communication.
The method for updating the information of the tire pressure monitoring sensor by the tire pressure monitoring system with near field communication provided by the embodiment comprises the following steps: the user obtains TPMS sensor data of corresponding motorcycle type from cell-phone APP end or through high in the clouds download, based on the NFC technique, with the sensor data configuration or the programming of acquireing in the TPMS sensor, realize quick reliable product upgrade. In addition, based on NFC communication, corresponding information in the sensor is read through a mobile phone APP, and the information such as the model of the current vehicle, the ambient temperature, the power supply voltage, the software and hardware version and the like corresponding to the query sensor program is obtained.
The tire pressure monitoring system based on the near field communication has the advantages that (1) the inherent wireless interference defect of L F or RF is overcome by adopting an NFC (near field communication) communication mechanism and one-to-one transmission, mutual interference among products is avoided, and the transmission stability of the products is improved, (2) the NFC rate in the transmission rate is 10-42 times of the transmission rate of L F at present, and the speed is higher when the mobile phone APP is used for configuration or programming, (3) the mobile phone APP can be networked and downloaded anytime and anywhere, and the use is convenient and fast for users, and (4) the corresponding service vehicle type data cloud storage management is more convenient and fast for background updating.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the embodiments of the present invention, and not to limit the same; although embodiments of the present invention have been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (8)
1. A tire pressure monitoring sensor is characterized by comprising a printed circuit board PCBA, a Near Field Communication (NFC) chip, an NFC antenna and a shell;
the NFC antenna and the PCBA are arranged in a space formed by the shell;
the NFC chip is arranged on the PCBA and connected with the NFC antenna;
wherein the NFC antenna transmits data received by NFC technology into the NFC chip.
2. The tire pressure monitoring sensor according to claim 1, wherein the housing includes a face shell and a bottom shell, and an antenna placement area for fixing the NFC antenna is provided on the bottom shell;
the NFC antenna is fixed in the antenna placing area;
the PCBA is arranged on the NFC antenna in the direction from the bottom shell to the face shell, and the NFC antenna is connected with the NFC chip through the PCBA;
the face shell covers the PCBA and forms the shell with the bottom shell.
3. The tire pressure monitoring sensor according to claim 1, wherein the housing includes a face shell and a bottom shell, the face shell having an antenna placement area for securing the NFC antenna;
the NFC antenna is fixed in the antenna placing area;
the PCBA is arranged on the NFC antenna in the direction from the face shell to the bottom shell, and the NFC antenna is connected with the NFC chip through the PCBA;
the bottom shell covers the PCBA and forms the shell together with the face shell.
4. The tire pressure monitoring sensor of claim 2 or 3, wherein the NFC antenna is connected to the PCBA via a connection wire or a metal contact pin, and is connected to the NFC chip via the PCBA.
5. The tire pressure monitoring sensor of claim 1, wherein a tire pressure sensor is further provided on the PCBA for monitoring the air pressure within the tire.
6. The tire pressure monitoring sensor of claim 1, wherein the housing is formed of plastic.
7. The tire pressure monitoring sensor of claim 1, further comprising a power supply battery for powering the PCBA;
the power supply battery is connected with the PCBA and is arranged in a battery placing area arranged in the shell.
8. A tire comprising the tire pressure monitoring sensor of any one of claims 1-7, and wherein the tire pressure monitoring sensor is locked onto a valve of the tire or affixed to a rubber inner surface of the tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747549.1U CN211166267U (en) | 2019-10-17 | 2019-10-17 | Tire pressure monitoring sensor and tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921747549.1U CN211166267U (en) | 2019-10-17 | 2019-10-17 | Tire pressure monitoring sensor and tire |
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| Publication Number | Publication Date |
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| CN211166267U true CN211166267U (en) | 2020-08-04 |
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| CN201921747549.1U Active CN211166267U (en) | 2019-10-17 | 2019-10-17 | Tire pressure monitoring sensor and tire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226132A1 (en) * | 2022-05-27 | 2023-11-30 | 万通智控科技股份有限公司 | Programming method and device based on tire pressure sensing |
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2019
- 2019-10-17 CN CN201921747549.1U patent/CN211166267U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226132A1 (en) * | 2022-05-27 | 2023-11-30 | 万通智控科技股份有限公司 | Programming method and device based on tire pressure sensing |
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