Tire pressure sensor program upgrading device based on programmer

Abstract

The utility model relates to the technical field of automotive electronics, in particular to a programmer-based tire pressure sensor program upgrading device, which comprises a tire pressure sensor which is arranged in a tire of a vehicle and is used for acquiring temperature, pressure and acceleration information in the tire and sending the temperature, pressure and acceleration information to a main control unit of the vehicle; the system is characterized in that the system further comprises a programmer, the programmer comprises a Bluetooth MCU, a radio frequency transmitting module and a radio frequency receiving module, the Bluetooth MCU is connected with the main control unit in a matched mode, and the programmer downloads an upgrading program from the main control unit through the Bluetooth MCU. The radio frequency transmitting module is used for transmitting an upgrading program into the tire pressure sensor in a low-frequency transmitting manner, and the radio frequency receiving module is used for receiving temperature, pressure and acceleration information acquired by the tire pressure sensor in a high-frequency receiving manner. The system has the advantages of being simple and convenient to operate and improving upgrading efficiency.

Description

Technical Field

[0001] The utility model relates to program upgrading, in particular to a tire pressure sensor program upgrading device based on a programmer. Background Art

[0002] With the rapid development of automotive electronic technology, a tire pressure monitoring sensor is installed inside each wheel. It can accurately measure the pressure and temperature inside the tire and display the pressure and temperature values ​​of each tire to the user. Its performance and stability are crucial to the safety of automobile driving. However, the existing tire pressure sensor program upgrade method often requires professional equipment and technicians, which is complicated and inefficient. Therefore, the development of a convenient and efficient tire pressure sensor program upgrade system is of great significance to improving automobile safety performance and reducing maintenance costs. Utility Model Content

[0003] In order to solve the problems in the related art, the present application provides a tire pressure sensor program upgrade system based on a PC mobile phone APP and a programmer, which solves the problems of complex operation and low upgrade efficiency.

[0004] The technical solution is as follows:

[0005] A programmer-based tire pressure sensor program upgrade device includes a tire pressure sensor: installed in a vehicle's tire, used to collect temperature, pressure and acceleration information in the tire, and send the temperature, pressure and acceleration information to the vehicle's main control unit; its characteristic is that it also includes a programmer, the programmer includes a Bluetooth MCU, a radio frequency transmission module and a radio frequency receiving module, the Bluetooth MCU and the main control unit are adaptively connected, the main control unit transmits the upgrade program and upgrade control instructions to the programmer through the Bluetooth MCU, the Bluetooth MCU is connected to the radio frequency transmission module and the radio frequency receiving module respectively, the Bluetooth MCU controls the radio frequency transmission module to send the upgrade program to the tire pressure sensor in the form of low-frequency transmission, and the Bluetooth MCU controls the radio frequency receiving module to receive the temperature, pressure and acceleration information collected by the tire pressure sensor in the form of high-frequency reception.

[0006] Through the above technical solution, by setting the radio frequency transmitting module and the radio frequency receiving module in the programmer, it can adapt to the communication requirements of the tire pressure sensor, thereby improving the transmission efficiency of information and data; thereby improving the upgrade efficiency of the tire pressure sensor;

[0007] The encoder is remotely controlled by the main control unit, and then the program upgrade control of the tire pressure sensor is completed through the encoder. The operation is simple and convenient, and no professional technicians are required to operate, which can reduce maintenance costs.

[0008] Preferably, the main control unit includes a server and a host computer; the server and the host computer are adapted to be connected so that the server and the host computer can exchange data; the host computer includes a PC and a mobile terminal; the PC terminal is connected to the programmer via a USB to serial port, and the APP in the mobile terminal is connected to the Bluetooth MCU via a Bluetooth unit or an OTG unit.

[0009] Through the above technical solution, the upgrade status and results of the tire pressure sensor can be displayed remotely and in real time through the set mobile terminal, thereby improving the convenience of user use and thus improving the user experience.

[0010] Preferably, an access unit is provided in the programmer, and the access unit is used to read the authorization status of the APP in the mobile terminal.

[0011] Through the above technical solution, through the setting of the access unit, when the user sends a control command for upgrading the program to the programmer through the APP on the mobile terminal, the access unit detects the authorization status of the APP in the mobile terminal. Only after authorization can the tire pressure sensor upgrade operation be performed through the APP in the mobile terminal, thereby effectively preventing illegal access and malicious attacks.

[0012] Preferably, a backup unit and a data recovery unit are provided in the server, the backup unit is used to store the temperature, pressure and acceleration information collected by the tire sensor, and the data recovery unit is used to restore the temperature, pressure and acceleration information in the historical data.

[0013] Through the above technical solution, by setting up the backup unit and the data recovery unit, the temperature, pressure and acceleration information data detected by the tire pressure sensor can be backed up during the program upgrade process, thereby avoiding data loss due to unexpected situations; the data recovery unit can ensure that when the upgrade fails or other abnormal situations occur in the tire pressure sensor, the data can be quickly restored to avoid data loss or missing, thereby avoiding the stagnation of the tire pressure sensor due to data missing, thereby reducing maintenance costs.

[0014] Preferably, the main control unit, the programmer and the tire pressure sensor are all provided with an encryption unit and a decryption unit, the encryption unit is provided with an encryption protocol, the encryption unit is used to encrypt information, and the decryption unit is used to decrypt the received encrypted information.

[0015] Through the above technical solution, encryption technology is used in the process of information transmission and storage to ensure the confidentiality, integrity and availability of data, effectively prevent data leakage and illegal tampering, thereby ensuring security and confidentiality.

[0016] Preferably, an upgrade analysis unit is provided in the server, and the upgrade analysis unit is used to record the temperature, pressure and acceleration information during the tire pressure sensor program upgrade operation, and perform safety analysis and recording based on the temperature, pressure and acceleration information.

[0017] Through the above technical solution, by using the upgrade analysis unit to perform security audits and log records during each program upgrade operation, it is possible to track and analyze possible security issues, thereby providing a basis for subsequent security management and optimization.

[0018] In summary, the beneficial effects of the utility model are:

[0019] 1. By setting up the RF transmitting module and RF receiving module in the programmer, it can adapt to the communication requirements of the tire pressure sensor, thereby improving the transmission efficiency of information and data; thus improving the upgrade efficiency of the tire pressure sensor; the encoder is remotely controlled by the main control unit, and then the program upgrade control of the tire pressure sensor is completed through the encoder. The operation is simple and convenient, and no professional technicians are required to operate, thereby reducing maintenance costs;

[0020] 2. Through the set mobile terminal, the upgrade status and results of the tire pressure sensor can be displayed remotely and in real time, thereby improving the convenience of user use and thus improving the user experience;

[0021] 3. Through the setting of the access unit, when the user sends the control command of the upgrade program to the programmer through the mobile APP, the access unit detects the authorization status of the APP in the mobile terminal. Only after authorization can the tire pressure sensor upgrade operation be performed through the APP in the mobile terminal, thereby effectively preventing illegal access and malicious attacks;

[0022] 4. Through the settings of the backup unit and the data recovery unit, the temperature, pressure and acceleration information data detected by the tire pressure sensor can be backed up during the program upgrade process, thereby avoiding data loss due to unexpected situations; the data recovery unit can ensure that when the upgrade fails or other abnormal situations occur in the tire pressure sensor, the data can be quickly restored to avoid data loss or missing, thereby avoiding the stagnation of the tire pressure sensor due to data missing, thereby reducing maintenance costs;

[0023] 5. By using encryption technology in the process of information transmission and storage, the confidentiality, integrity and availability of data are ensured, which effectively prevents data leakage and illegal tampering, thereby ensuring security and confidentiality;

[0024] 6. Use the upgrade analysis unit to perform security audits and log records during each program upgrade operation to track and analyze possible security issues, thereby providing a basis for subsequent security management and optimization.

[0025] It should be understood that the above general description and the following detailed description are merely exemplary and do not limit the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the present utility model, and together with the description, are used to explain the principles of the present utility model.

[0027] Figure 1 It is a block diagram of the composition of the utility model;

[0028] Figure 2 This is the internal schematic diagram of the Bluetooth MCU in the programmer of the utility model;

[0029] Figure 3 This is the internal schematic diagram of the radio frequency receiving module in the programmer of the utility model;

[0030] Figure 4 This is an internal schematic diagram of the radio frequency transmission module in the programmer of the utility model;

[0031] Figure 5 This is an internal schematic diagram of a buzzer in a specific embodiment of the utility model;

[0032] In the figure, 1. tire pressure sensor; 2. programmer; 21. Bluetooth MCU; 22. RF transmitter module; 23. RF receiver module; 3. PC terminal; 4. host computer; 41. PC terminal; 42. mobile terminal; 5. server terminal. DETAILED DESCRIPTION

[0033] Here, exemplary embodiments will be described in detail, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the utility model. Instead, they are only examples of devices and methods consistent with some aspects of the utility model as detailed in the attached claims.

[0034] In a possible embodiment, as shown in the attached Figure 1-5 As shown, the programmer-based tire pressure sensor program upgrade device includes a tire pressure sensor 1: installed in the tire of the vehicle, used to collect temperature, pressure and acceleration information in the tire, and send the temperature, pressure and acceleration information to the main control unit of the vehicle; the internal connection principle of the main control unit is as shown in the attached Figure 2 It can be clearly seen that I will not go into too much detail here;

[0035] It also includes a programmer 2, which includes a Bluetooth MCU21, a radio frequency transmission module 22 and a radio frequency transmission module 23. The Bluetooth MCU21 is adaptively connected to the main control unit. The main control unit transmits the upgrade program and the upgrade control instruction to the programmer 2 through the Bluetooth MCU21. The Bluetooth MCU21 is connected to the radio frequency transmission module 22 and the radio frequency transmission module 23 respectively. The Bluetooth MCU21 controls the radio frequency transmission module 22 to send the upgrade program to the tire pressure sensor 1 in the form of low-frequency transmission. The Bluetooth MCU21 controls the radio frequency transmission module 23 to receive the temperature, pressure and acceleration information collected by the tire pressure sensor 1 in the form of high-frequency reception. The internal schematic diagram of the Bluetooth MCU21 is shown in FIG. Figure 2 As shown, the specific connection between the Bluetooth MCU 21 and the RF transmission module 22 and the RF transmission module 23 can be obtained by the attached Figure 2 It can be seen directly that no further elaboration is made here; the internal schematic diagram of the RF transmitting module 23 is as follows Figure 3 As shown, the specific connection between the RF transmitter module 23 and the tire pressure sensor 1 and the Bluetooth MCU 21 can be directly obtained from the figure and will not be described in detail here; the internal schematic diagram of the RF transmitter module 22 is shown in Figure 4 As shown, the specific connection between the RF transmitting module 22, the tire pressure sensor 1 and the Bluetooth MCU 21 can be directly obtained from the figure and will not be described in detail here.

[0036] The low-frequency transmitting function and high-frequency receiving function set in the programmer 2 can adapt to the communication requirements of the tire pressure sensor 1, thereby improving the transmission efficiency of information and data; thereby improving the upgrade efficiency of the tire pressure sensor 1; the encoder downloads the upgrade program from the main control unit, and the main control unit sends the upgrade control instruction to the encoder, and then the encoder sends the upgrade program to the tire pressure sensor 1 according to the control instruction, so that the tire pressure sensor 1 completes the program upgrade operation. The operation is simple and convenient, and does not require professional technicians to operate, thereby reducing maintenance costs.

[0037] The main control unit includes a server 4 and a host computer 3; the server 4 and the host computer 3 are adapted to be connected so that the server 4 and the host computer 3 can interact with each other in data; the server 4 is a cloud service end; the host computer 3 includes a PC 31 and a mobile terminal 32; the PC 31 is connected to the programmer 2 via a USB to serial port, and the APP in the mobile terminal 32 is connected to the Bluetooth MCU21 of the programmer 2 via a Bluetooth unit or an OTG unit; the mobile terminal 32 can remotely and in real time display the upgrade status and upgrade results of the tire pressure sensor 1, thereby improving the convenience of user use and thus improving the user experience.

[0038] A buzzer is provided in the main control unit, and the buzzer is connected to the Bluetooth MCU21. When the temperature, pressure and acceleration information collected by the tire pressure sensor 1 exceeds the preset threshold of the Bluetooth MCU21, the buzzer will sound an alarm to remind the user. The internal principle of the buzzer and the specific connection with the Bluetooth MCU21 can be seen in the attached Figure 5 It can be concluded directly, and no further elaboration is required here.

[0039] An access unit is provided in the programmer 2, and the access unit is used to read the authorization status of the APP in the mobile terminal 32; when the user sends a control command for upgrading the program to the programmer 2 through the APP in the mobile terminal 32, the access unit detects the authorization status of the APP in the mobile terminal 32, and only after authorization can the upgrade operation of the tire pressure sensor 1 be performed through the APP in the mobile terminal 32, thereby effectively preventing illegal access and malicious attacks.

[0040] The server 4 is provided with a backup unit and a data recovery unit. The backup unit is used to store the temperature, pressure and acceleration information collected by the tire sensor, and the data recovery unit is used to restore the temperature, pressure and acceleration information in the historical data. The backup unit backs up the temperature, pressure and acceleration information data detected by the tire pressure sensor 1 during the program upgrade process, thereby avoiding data loss due to unexpected situations, such as: during the upgrade process, the tire pressure sensor 1 is damaged due to excessive temperature, excessive pressure, etc. The data recovery unit can ensure that the data is quickly restored when the upgrade fails or other abnormal situations occur in the tire pressure sensor 1. Other abnormal situations include hardware failures, software errors and natural disasters, etc., to avoid data loss or missing, and then avoid the stagnation of the tire pressure sensor 1 due to data missing, thereby reducing maintenance costs.

[0041] The main control unit, programmer 2 and tire pressure sensor 1 are all equipped with an encryption unit and a decryption unit. An encryption protocol is set in the encryption unit. The encryption unit is used to encrypt information, and the decryption unit is used to decrypt the received encrypted information. In each information transmission and storage process, encryption is first performed and then transmitted. The received encrypted data needs to be decrypted to obtain specific information. This can ensure the confidentiality, integrity and availability of the data, effectively prevent data leakage and illegal tampering, thereby ensuring security and confidentiality.

[0042] An upgrade analysis unit is provided in the server 4, which is used to record the temperature, pressure and acceleration information during the program upgrade operation of the tire pressure sensor 1, and perform security analysis and recording based on the temperature, pressure and acceleration information; during each program upgrade operation, the upgrade analysis unit is used to perform security audits and log records in order to track and analyze possible security issues, thereby providing a basis for subsequent security management and optimization.

[0043] Operation principle: The PC terminal 31 or the APP in the mobile terminal 32 downloads the upgrade program from the server terminal 4, and then the tire pressure sensor 1 performs the program upgrade operation, which can be offline or online. When the PC terminal 31 is used for the upgrade operation, the PC terminal 31 transmits the upgrade program and the control instructions for the program upgrade operation to the programmer 2 through the USB interface. After the programmer 2 receives the control instructions, the Bluetooth MCU21 controls the RF transmission unit to send the upgrade program to the tire pressure sensor 1. After receiving the upgrade program, the tire pressure sensor 1 performs the upgrade operation, and at the same time sends the temperature, pressure and acceleration data collected during the upgrade program operation to the RF transmission module 23 in the programmer 2, and the programmer 2 synchronizes it to the PC terminal 31; when the mobile terminal 32 is used for the upgrade operation, the APP in the mobile terminal 32 sends the upgrade program and the control instructions for the program upgrade operation to the programmer 2 through the Bluetooth unit or the OTG unit. Programmer 2 transmits the upgrade program and the control instructions for performing the program upgrade operation. After programmer 2 receives the control instructions, Bluetooth MCU 21 controls the RF transmission module 22 to send the upgrade program to tire pressure sensor 1. After receiving the upgrade program, the tire pressure sensor 1 performs the upgrade operation and sends the temperature, pressure and acceleration data collected during the upgrade program operation to the RF transmission module 23 in programmer 2. Programmer 2 synchronizes it to the APP in the mobile terminal 32. During the entire information transmission process, each data transmission process uses encrypted transmission. And the server 4 will back up the temperature, pressure and acceleration data collected by the tire pressure sensor 1.

[0044] Those skilled in the art will readily appreciate other embodiments of the present invention after considering the specification and practicing the present invention. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art that are not present in the present invention. The specification and examples are intended to be exemplary only, and the true scope and spirit of the present invention are indicated by the appended claims.

[0045] It should be understood that the present invention is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.

Claims

1. A programmer-based tire pressure sensor program upgrade device, comprising a tire pressure sensor: installed in a tire of a vehicle, used to collect temperature, pressure and acceleration information in the tire, and send the temperature, pressure and acceleration information to a main control unit of the vehicle; It is characterized in that It also includes a programmer, which includes a Bluetooth MCU, a radio frequency transmitting module and a radio frequency receiving module. The Bluetooth MCU is adaptably connected to the main control unit. The main control unit transmits the upgrade program and upgrade control instructions to the programmer through the Bluetooth MCU. The Bluetooth MCU is connected to the radio frequency transmitting module and the radio frequency receiving module respectively. The Bluetooth MCU controls the radio frequency transmitting module to send the upgrade program to the tire pressure sensor in the form of low-frequency transmission. The Bluetooth MCU controls the radio frequency receiving module to receive the temperature, pressure and acceleration information collected by the tire pressure sensor in the form of high-frequency reception.

2. The programmer-based tire pressure sensor program upgrade device according to claim 1, characterized in that: The main control unit includes a server and a host computer; the server and the host computer are adapted to be connected so that the server and the host computer are data-exchanged; The host computer includes a PC and a mobile terminal; the PC is connected to the programmer via a USB to serial port, and the APP in the mobile terminal is connected to the Bluetooth MCU via a Bluetooth unit or an OTG unit.

3. The programmer-based tire pressure sensor program upgrade device according to claim 2, characterized in that: An access unit is provided in the programmer, and the access unit is used to read the authorization status of the APP in the mobile terminal.

4. The programmer-based tire pressure sensor program upgrade device according to claim 2, characterized in that: The server is provided with a backup unit and a data recovery unit, wherein the backup unit is used to store the temperature, pressure and acceleration information collected by the tire pressure sensor, and the data recovery unit is used to recover the temperature, pressure and acceleration information in the historical data.

5. The tire pressure sensor program upgrade device based on a programmer according to claim 1, characterized in that: The main control unit, programmer and tire pressure sensor are all provided with an encryption unit and a decryption unit. The encryption unit is provided with an encryption protocol. The encryption unit is used to encrypt information, and the decryption unit is used to decrypt the received encrypted information.

6. The programmer-based tire pressure sensor program upgrade device according to claim 2, characterized in that: The server is provided with an upgrade analysis unit, which is used to record the temperature, pressure and acceleration information during the tire pressure sensor program upgrade operation, and perform safety analysis and recording based on the temperature, pressure and acceleration information.

Images