CN-224233851-U - Data transmission device of tire pressure sensor

Abstract

The invention provides a data transmission device of a tire pressure sensor, which comprises a server, handheld equipment with a networking function and the tire pressure sensor, wherein tire pressure sensor control data of different vehicle types are stored in the server for upgrading or reading the tire pressure sensor, the handheld equipment comprises a first communication module, a first microcontroller, a second communication module and a second microcontroller, the first communication module is used for transmitting and receiving control data in a tire pressure upgrading mode or a tire pressure data reading mode to the handheld equipment, the second communication module is used for carrying out data communication with the tire pressure sensor, the tire pressure sensor comprises a third communication module and a second microcontroller, the third communication module is used for carrying out data transmission with the first communication module, and the second microcontroller is used for executing tire pressure upgrading or tire pressure data reading according to the control data after the control data is stored and received. The handheld device does not need a large-capacity data memory, does not need complex function keys and a display screen, and greatly reduces the cost.

Inventors

• SHI WEIHUA
• XIONG XIA
• ZHANG FANGWEI

Assignees

• 保隆霍富(上海)电子有限公司

Dates

Publication Date

20260512

Application Date

20250514

Claims (10)

1. 1. The data transmission device of the tire pressure sensor is characterized by comprising a server, handheld equipment with a networking function and the tire pressure sensor, wherein: the server stores tire pressure sensor control data of different vehicle types for upgrading or reading the tire pressure sensor; the handheld device includes: The first communication module is in wireless communication connection with the server so as to transmit the tire pressure sensor control data in the server corresponding to the vehicle type to the handheld device; the first microcontroller is in communication connection with the first communication module and is used for storing and receiving the control data in a tire pressure upgrading mode or a tire pressure data reading mode; the second communication module is connected with the first microcontroller and is used for carrying out data communication with the tire pressure sensor; The tire pressure sensor includes: The third communication module is used for carrying out data transmission with the first communication module in the handheld device; And the second microcontroller is connected with the second communication module and is used for executing tire pressure upgrading or tire pressure data reading according to the control data after storing and receiving the control data.
2. 2. The data transmission device of claim 1, wherein the first communication module is independently disposed in a mobile terminal, and the handheld device further comprises a bluetooth module: The mobile terminal is in wireless communication connection with the server, bluetooth connection is established between the mobile terminal and the handheld device through the Bluetooth module, and control data of the tire pressure sensor in the server corresponding to the vehicle type are transmitted to the handheld device.
3. 3. The data transmission device of the tire pressure sensor according to claim 2, wherein the first microcontroller comprises a bluetooth chip, a radio frequency chip for controlling radio frequency signal transmission and a memory, the bluetooth chip is used for performing data communication control with the mobile terminal and storing the control data into the memory, and the radio frequency chip is in communication connection with the second communication module for receiving and transmitting the control data.
4. 4. The data transmission device of the tire pressure sensor according to claim 3, wherein the Bluetooth chip and the radio frequency chip are integrated into a whole or are in a split structure.
5. 5. The data transmission device of the tire pressure sensor according to claim 3, wherein the Bluetooth chip and the radio frequency chip communicate through SPI or IIC.
6. 6. The data transmission device of the tire pressure sensor according to claim 1 or 2, wherein the first communication module is in wireless communication connection with the server through a 4G/5G network or Wifi signals.
7. 7. The data transmission device of the tire pressure sensor according to claim 1, wherein the second communication module includes: The LF transmitter is connected with the first microcontroller and is used for transmitting a low-frequency signal to the tire pressure sensor so as to transmit the control data of the tire pressure sensor; an RF receiver for receiving a radio frequency signal from the tire pressure sensor; The third communication module includes: the LF receiver is connected with the second microcontroller and is used for receiving a low-frequency signal from the handheld device so as to receive the tire pressure sensor control data; And the RF transmitter is connected with the second microcontroller and is used for transmitting radio frequency signals of the tire pressure sensor to the handheld device.
8. 8. The data transmission device of the tire pressure sensor of claim 1, wherein the second microcontroller comprises a tire pressure chip.
9. 9. The data transmission device of the tire pressure sensor according to claim 2, wherein the mobile terminal is a smart phone, a tablet computer with mobile communication or networking function.
10. 10. The data transmission device of the tire pressure sensor according to claim 1, wherein the control data includes burning range files, LF read commands, RF receiving configuration, and RF protocol parsing fields corresponding to different vehicle types.

Description

Data transmission device of tire pressure sensor Technical Field The disclosure relates to the technical field of tire pressure sensors, and in particular relates to the technical field of data transmission devices of tire pressure sensors. Background The tire pressure sensor is a sensor mounted inside a tire of an automobile. It can monitor the tyre in real time air pressure and temperature, etc. Tire pressure sensors are an important component of an automobile Tire Pressure Monitoring System (TPMS). In the prior art, the control (programming, data reading, etc.) of the current tire pressure sensor is generally a dedicated hand-held tool, which is mainly composed of an MCU, an LF transmitter, an RF receiver, a memory, a display screen and function keys. If the handheld tool is suitable for programming of various vehicle types, an additional memory is needed to store burning course files corresponding to different vehicle types, and a user selects different vehicle types through a handheld tool display screen and function keys to control corresponding tire pressure sensors. The control of the tire pressure sensor by the hand-held special tool has the following disadvantages: 1) The hand-held special tool is high in price, because different tire pressure sensor protocols of different vehicle types in the market are different, burning files, LF read commands, RF receiving configuration and RF protocol analysis fields are different, the hand-held special tool needs a large-capacity memory to store the data, in addition, a display screen and keys with different functions are needed to be provided for vehicle type selection, and the tool cost is further increased; 2) If the burn-out file, the LF read command, the RF receiving configuration and the RF protocol analysis field stored in the newly added vehicle type protocol or the handle tool are wrong, the hand-held special tool is used for modifying software, the hand-held special tool can be used after the software version of the hand-held special tool is updated through a special wire harness, the problem is solved untimely, and the risk of file transfer errors possibly exists. Therefore, the control of the tire pressure sensor is realized conveniently and at low cost, which is a technical problem to be solved urgently by those skilled in the art. Disclosure of Invention In view of the above-described drawbacks of the related art, an object of the present disclosure is to provide a data transmission device of a tire pressure sensor to solve the problems of the related art. The invention provides a data transmission device of a tire pressure sensor, which comprises a server, handheld equipment with a networking function and the tire pressure sensor, wherein the server stores tire pressure sensor control data of different vehicle types for upgrading or reading the tire pressure sensor, the handheld equipment comprises a first communication module, a second communication module and a microcontroller, the first communication module is in wireless communication connection with the server to transmit the tire pressure sensor control data in the server of a corresponding vehicle type to the handheld equipment, the first microcontroller is in communication connection with the first communication module and is used for storing and receiving and transmitting the control data in a tire pressure upgrading mode or a tire pressure data reading mode, the second communication module is connected with the first microcontroller and is used for carrying out data communication with the tire pressure sensor, and the tire pressure sensor comprises a second communication module and a tire pressure sensor, the second communication module is used for carrying out data transmission with the first communication module in the handheld equipment, and the second microcontroller is connected with the second communication module and is used for storing and transmitting the control data after the control data is read according to the control data. In one possible implementation manner of the disclosure, the first communication module is independently arranged in a mobile terminal, and the handheld device further comprises a bluetooth module, wherein the mobile terminal is in wireless communication connection with the server, and bluetooth connection is established with the handheld device through the bluetooth module, so that the control data of the tire pressure sensor in the server corresponding to a vehicle type is transmitted to the handheld device. In one possible implementation manner of the disclosure, the first microcontroller includes a bluetooth chip, a radio frequency chip for controlling radio frequency signal transmission, and a memory, where the bluetooth chip is used for performing data communication control with the mobile terminal and storing the control data into the memory, and the radio frequency chip is connected with the second communication module in a communication mann