TWI600555B - Tire pressure monitoring system - Google Patents

Description

Tire pressure monitoring system

The invention relates to a tire pressure monitoring system, in particular to a tire pressure monitoring system which allows a driver to quickly know the tire condition of any tire on the vehicle according to the demand.

According to statistics, more than 70% of the traffic accidents on highways are caused by punctures, but less than 10% of drivers usually have the habit of actively checking the tire condition of vehicles. The abnormal problem of vehicle tires has always been the most difficult problem for all drivers. Therefore, how to set up a tire pressure detection aid system to detect the tire condition in the normal state, and immediately remind the driver of the vehicle when the tire condition is abnormal. Further avoiding the occurrence of accidents and casualties has become a topic for research and development.

The conventional tire pressure monitoring assistance system usually has a plurality of tire pressure detecting modules, each of which detects the tire condition of the vehicle and sets a buzzer or a warning light when the tire condition of the vehicle is abnormal. The way of the number immediately reminds the driver to pay attention, however, the conventional tire pressure monitoring system does not allow the user to quickly know the tire condition information of any tire.

The main object of the present invention is to allow the driver to quickly know the condition of the tire of any of the tires on the vehicle.

The secondary object of the present invention is to provide a tire pressure simulation graphic data to simulate the tire pressure change of one of the tires in a vehicle during a monitoring time, so that the driver can quickly learn the driving process according to the tire pressure simulation graphic data. The time point at which the tire pressure is abnormal.

To achieve the above objective, the present invention provides a tire pressure monitoring system including a plurality of tire pressure detecting modules and an information display module. Each of the tire pressure detecting modules is respectively mounted on a vehicle tire and has a device identification code. Each of the tire pressure detecting modules further includes a normal state detecting the tire condition of the vehicle and outputting a tire condition information. The detecting unit and a first data transmission unit that connects the detecting unit to transmit the tire condition information and the device identification code. The information display module information is connected to each of the tire pressure detecting modules and includes a connection with each of the first data transmission units to receive the device identification code corresponding to each of the tire pressure detecting modules and the tire condition a second data transmission unit of information, a data processing unit that obtains the device identification codes and the tire condition information from the second data transmission unit and associates each of the device identification codes with a device selection code a display unit that is connected to the data processing unit and displays the tire condition information obtained from the data processing unit, and is connected to the data processing unit and outputs at least one selection to the data processing unit by a control means. A stepless knob of the signal, and a setting member connected to the data processing unit and triggered by the user to cause the data processing unit to enter a task mode preset to the data processing unit. The selection signal is associated with the device selection code, and when the data processing unit accepts the selection signal, the corresponding device selection information is read and the corresponding tire condition information is outputted from the display unit for data display. The task mode is a data graphical mode, and the data processing unit performs data processing on the tire condition information corresponding to the device identification code in a monitoring time interval in the data graphic mode to perform the tire condition. Converting the information into a tire pressure simulation graphic data displayed on the display unit, the flag data indicating one time point of the analog graphic data and being controlled by the selection signal output by the stepless knob to change the flag data The time point indicated by the simulated graphic.

In one embodiment, the information display module further includes a data storage unit that is connected to the data processing unit to store each of the device identification codes and each of the tire condition information.

In an embodiment, the task mode is an abnormal warning mode. In the abnormal warning mode, the data processing unit has a preset in the data processing unit and determines to compare each tire condition information and meets the seasonal order. The data processing unit outputs an alert condition to the display unit for displaying an abnormal condition.

In an embodiment, the task mode is an abnormal condition setting mode. In the abnormal condition setting mode, the data processing unit receives the selection signal output by the stepless knob to determine the abnormal condition as comparing the tire condition information. A comparison of the benchmark values.

In an embodiment, the task mode is a tire condition polling mode, and the data processing unit reads each of the device selection codes in sequence at an interval in the tire condition polling mode to read the corresponding tire. Status information is output to the display unit for display.

In an embodiment, the task mode is a tire parameter setting mode. In the tire parameter setting mode, the data processing unit determines a tire parameter of the vehicle tire by using the selection signal output by the stepless knob.

In one embodiment, the task mode is a pairing mode of the tire pressure detecting module, and the data processing unit searches the second data transmission unit for a connection distance in the pairing mode of the tire pressure detector. a device identification code, and determining whether the device identification code has been obtained. If not, the selection signal generated by the stepless knob is determined to be connected with the device identification code corresponding to the tire pressure detecting module. .

Through the above-mentioned structure of the present invention, the following features are compared with the conventional embodiment:

1. The present invention provides a stepless knob for causing a driver to operate by a control means to generate at least one selection signal, and the data processing unit accepts the selection signal and interprets the corresponding device identification code, and reads the relative The tire condition information generated by the tire pressure detecting module detection is displayed in the display unit, thereby providing the driver with a quick knowledge of the condition of any tire on the vehicle.

The present invention has a data patterning mode preset in the information display module, and the display unit displays the tire pressure change of the selected tire in a monitoring time interval through the data graphic mode, so that the driver can observe the driving process. It is easy to make the tire pressure abnormal.

1‧‧‧ tire pressure monitoring system

2‧‧‧ tire pressure detection module

3‧‧‧Information display module

4‧‧‧ graphical interface

21‧‧‧Detection unit

22‧‧‧First Data Transfer Unit

31‧‧‧Second data transmission unit

32‧‧‧Data Processing Unit

33‧‧‧Display unit

34‧‧‧No segment knob

35‧‧‧Data storage unit

36‧‧‧ Third Data Transfer Unit

37‧‧‧Settings

41‧‧‧ Tire position display block

411‧‧‧First tire graphic

412‧‧‧Second tire graphics

42‧‧‧ Tire information display block

421‧‧‧ tire pressure display

422‧‧‧Temperature temperature display

423‧‧‧Warning signal display

424‧‧‧ tire pressure graphic display

425‧‧‧ tire temperature graphic display

43‧‧‧Menu Block

431‧‧‧Menu column

D1‧‧‧ device identification code

D2‧‧‧ Tire Status Information

FIG. 1 is a schematic diagram showing the appearance of an information display module of the present invention.

Figure 2 is a schematic view showing the composition of the unit of the present invention.

3-1 to 3-2 are schematic views of the implementation of the present invention.

FIG. 4 is a schematic diagram showing the implementation of an abnormal warning mode according to an embodiment of the present invention.

FIG. 5 is a schematic diagram showing the implementation of a graphical mode of data according to an embodiment of the present invention.

FIG. 6 is a schematic diagram of implementation of a materialized pattern of an embodiment of the present invention.

FIG. 7 is a schematic diagram showing the implementation of a menu mode according to an embodiment of the present invention.

The detailed description and technical contents of the present invention will now be described as follows: Please refer to FIG. 1, FIG. 2 and FIG. 3-1. As shown, the present invention is a tire pressure monitoring system 1 which monitors tire pressure. The system 1 is composed of a plurality of tire pressure detecting modules 2 and an information display module 3. More specifically, each of the tire pressure detecting modules 2 of the present invention is respectively disposed corresponding to each tire on the vehicle, and the number of the settings can be adjusted according to the number of tires on the vehicle. The present invention is exemplified by a large vehicle having sixteen tires, and each of the tires is separately mounted on a tire, and the present invention further makes each of the tires in order to clearly correspond to the tire pressure generated by each of the tires. The tire pressure detecting module 2 has a device identification code D1. Each of the tire pressure detecting modules 2 of the present invention has two main embodiments, one of which is an intra-tire tire pressure detector, and the other is an extra-tire tire pressure detector, regardless of the above-mentioned In an implementation manner, the tire pressure detecting module 2 includes a detecting list And the first data transmission unit 22, wherein the detecting unit 21 normally detects the tire condition of the assembled tire, and outputs a tire condition information D2, and the tire condition information D2 may be a tire interior. Pressure or internal temperature of a tire. Furthermore, the detecting unit 21 of the present invention detects the timing of the tire in the tire, and is not limited to the process of the vehicle traveling, or may be when the vehicle is stagnant. The first data transmission unit 22 normally receives the tire condition information D2 from the detection unit 21 for transmission to the information display module 3. Furthermore, in addition to the tire condition information D2, the first data transmission unit 22 of the present invention transmits the device identification code D1 representing the tire pressure detecting module 2 at the same time.

Referring to FIG. 2, the information display module 3 is connected to each of the tire pressure detecting modules 2, and includes a second data transmission unit 31, a data processing unit 32, a display unit 33, and a segmentless type. Knob 34. The second data transmission unit 31 is in information connection with each of the first data transmission units 22 of each of the tire pressure detection modules 2 to receive each of the output of each of the first data transmission units 22. Tire status information D2. The second data transmission unit 31 and the first data transmission unit 22 of the present invention can transmit data through wired transmission or wireless transmission. For example, wireless transmission is performed using a Bluetooth communication protocol.

Moreover, the data processing unit 32 is electrically connected to the second data transmission unit 31, and the device identification code D1 output by the first data transmission unit 22 and the tire condition information D2 are obtained from the second data transmission unit 31. Furthermore, the data processing unit 32 can further read the device selection code preset in the data processing unit 32 in association with each of the received device identification codes D1. According to the above example, since the vehicle is provided with sixteen tire pressure detecting modules 2, the second data transmitting unit 31 accepts the device identification code D1 having sixteen different values, and the data processing unit 32 is The preset device selection codes respectively correspond to each of the device identification codes D1, that is, each device selection code corresponds to only one of the device identification codes D1. The display unit 33 is electrically connected to the data processing unit 32 and receives the tire from the data processing unit. Status information D2 is displayed. Further, in an embodiment of the present invention, the display unit 33 is further provided with a graphical interface 4, and the graphical interface 4 has a tire position display block 41 and a tire information display block 42. Wherein, the tire position display block 41 displays a vehicle figure and a plurality of tire patterns, and the vehicle figure and the tire figure represent a state in which the vehicle is currently implemented, and each of the tire patterns is disposed at a position equivalent to an actual vehicle tire. The location and each of the tire graphics corresponds to one of the device selection codes. Moreover, the display pattern of the tire position display block 41 can be adjusted according to the difference of the installed vehicle, and the tire position display block 41 of the present invention is also correspondingly highlighted according to the driver's selection. Tire graphics. The tire information display block 42 has a tire pressure display field 421, a tire temperature display field 422, and a warning signal display field 423. The tire pressure display field 421 is used to display the tire included in the tire condition information D2. The internal temperature value is displayed, and the tire temperature display field 422 is used to display the tire internal temperature value included in the tire condition information D2, and the warning signal display field 423 is used to alert the driver to the information display module 3 to accept The tire condition information D2 exceeds a comparison reference value preset by the data processing unit 32.

The stepless knob 34 of the present invention is electrically connected to the data processing unit 32, and allows the driver to operate the stepless knob 34 by a control means to generate at least one selection signal. The control means is different according to the embodiment of the stepless knob 34. For example, when the stepless knob 34 is rotated, the control means is rotated to rotate the segmentless type. The action of the knob 34. The segmentless knob 34 is output to the data processing unit 32 after the selection signal is generated, and further, the data processing unit 32 can distinguish each device selection code represented by the selection signal. The electrical characteristics of each of the selection signals generated by the stepless knob 34 are different. For example, each of the selection signals can be distinguished by using a difference in voltage values. More specifically, in an embodiment, the selection signal may further include a rotary encoder (not shown), and the rotary encoder determines that the operation is performed after the operation. The generated rotation amount or the rotated position is converted into the selection signal, the rotary encoder has four contacts and can rotate three hundred and sixty degrees, and each of the contacts has a conduction state and an off state, the rotary encoder According to the set position of the four contacts and the angle at which the rotary encoder can rotate, a plurality of working segments are defined, and the state of each of the pins in each of the working segments is different, thereby generating The selection signal having a plurality of electrical characteristics is different. Furthermore, in an embodiment, the data processing unit 32 further includes a data storage unit 35 connected to the data processing unit 32, and the data storage unit 35 can be a flash memory or an electronic eraser. The rewritable read-only memory (EEPROM) can be provided by the data processing unit 35 to write data or read data. Moreover, the information display module 3 of the present invention may further include a third data transmission unit 36 electrically connected to the data processing unit 32 and connectable to an external device. The third data transmission unit 36 may be used to provide a driver. The data processing unit 32 is electrically connected to the data processing unit 32 for firmware update or data reading. The third data transmission unit 36 can be a universal serial bus (USB) or A Universal Asynchronous Receiver/Transmitter (UART).

Please refer to Figure 3-1, and please refer to Figure 3-2. In order to specify the implementation of the case, it is presupposed that the driver has selected the information display module 3 to display the left front side of the corresponding vehicle. The tire condition of the outer wheel, the tire position display block 41 of the graphical interface 4 generated after the display unit 33 is energized displays the tire graphic corresponding to the left front outer wheel, as shown in FIG. 3-1. The tire pressure display field 421 and the tire temperature display field 422 in the tire information display block 42 display the tire internal pressure value and the tire internal temperature value of the left front outer wheel. Then, when the driver wants to view the tire condition of the other left front outer wheel, the stepless knob 34 can be operated to cause the stepless knob 34 to generate the selection signal, and the data processing unit 32 accepts the selection signal, and Interpreting the selection signal to find the corresponding device selection code, and finding that the selection signal is the device selection code corresponding to the other left front outer wheel, and then the data processing unit 32: reading the corresponding device identification code D1 and the tire condition information D2 according to the device selection code, and adjusting the tire graphic displayed by the tire position display block 41 by the device selection code, as shown in FIG. 3-2. Indicated 412. At the same time, the data processing unit 32 reads the tire condition information D2 corresponding to the other left front outer wheel to the display unit 33 for display by using the device selection code, and the tire pressure display column 421 and the tire temperature display column 422 respectively displays the tire internal pressure value corresponding to the other left front outer wheel and the tire internal temperature value.

Referring to FIG. 1 , in an implementation, the information display module 3 of the present invention further includes a setting component 37 electrically connected to the data processing unit 32 , and the setting component 37 has many implementations, such as a button. Micro switch, etc. The setting member 37 can be triggered by the user to cause the data processing unit 32 to enter a task mode preset by the data processing unit 32, and the task mode can be different according to implementation requirements. Referring to FIG. 4, in an embodiment, the task mode may be an abnormal warning mode. In the abnormal warning mode, the data processing unit 32 has an abnormal condition preset in the data processing unit 32, which is more specific. It is noted that the abnormal condition may be a comparison reference value, which represents a critical value that the tire condition tends to be abnormal, or the tire condition belongs to a normal interval value. In the abnormal warning mode, the data processing unit 32 normally compares each of the received tire condition information D2 with the abnormal condition, and the one of the received tire condition information D2 meets the abnormal condition as the limit. When the reference value is output, an alarm signal is output to the display unit 34. The display unit 34 displays the warning signal on the warning signal display field 423, and the warning signal display field 423 can notify the driver of the vehicle in a prominent manner. There is an abnormality in the tire. Moreover, in the abnormal warning mode, the data processing unit 32 does not compare only the tire condition information D2 of one of the tires displayed at the moment, but simultaneously the tire condition information of each tire on the vehicle. When the tire condition information D2 of one of the tires meets the abnormal condition, the data processing unit 32 outputs the abnormal device selection code and the tire condition information D2 to the display unit 33 to perform an alarm.

Furthermore, in order to provide the driver with the adjustment of the abnormal condition according to the condition of the vehicle, in an embodiment, the task mode preset by the data processing unit 32 may be an abnormal condition setting mode, and the abnormal condition setting is performed. In the mode, the data processing unit 32 receives the selection signal output by the stepless knob 34, and determines the abnormal condition by using the selection signal as the comparison reference value for comparing the tire condition information D2. Further, the driver can enter the abnormal condition setting mode through the setting member 37, and operate the stepless knob 34 to generate the selection signal, and the data processing unit 32 interprets the selection signal as adjusting the comparison reference value. Amplitude. For example, when the stepless knob 34 is rotated in the first direction, the comparison reference value is raised, and when the second direction is rotated, the comparison reference value is lowered.

Referring to FIG. 5 and FIG. 6 , in addition to the above embodiments, the present invention can further provide a driver with a change in the tire during the driving process. In an embodiment, the data processing unit 32 presets The task mode can be a data graphical mode. In the data patterning mode, the data processing unit 32 performs data processing on the tire condition information D2 corresponding to the device identification code D1 in a monitoring time interval to convert the tire condition information D2 into one. Simulate graphic data. More specifically, in this embodiment, the driver can enter the data pattern mode by triggering the setting component 37, and the driver can set the length of the monitoring time interval and want to view when entering the initial state of the data patterning mode. The tire can be used by the driver to generate the device selection code for viewing the tire through the stepless knob 34, and the corresponding tire condition information D2 is read by the device selection code. Thereafter, after the tire condition information D2 in the monitoring time interval is quantized, the analog graphic data is output to the display unit 33, and is displayed in the tire information display block 42 of the graphical interface 4. As can be seen from the above description, the tire condition information D2 may include the internal pressure of the tire or the internal temperature of the tire. Therefore, in an embodiment, the tire information display block 42 has a tire pressure in the data pattern. A graphic display field 424 and a tire temperature graphic display field 425. Furthermore, the present invention is shown in FIG. The material is presented in a graph, but it is not limited to this. In addition, in the data patterning mode, the data processing unit 32 further includes a flag data for the analog graphic data, and the flag data can be controlled by the selection signal output by the stepless knob 34, and more specifically Explain that the flag data is changed by the driver to change the position indicated in the simulated graphic data. In short, the flag data indicates one time point of the simulated graphic data, and the driver can operate the The segment knob 34 changes the flag data at the point in time indicated by the simulated graphic data. Furthermore, in the data patterning mode, the data processing unit 32 can compare each of the tire condition information D2 with the abnormal condition during the process of converting the simulated graphic data, and when one of the tire condition information D2 meets In the abnormal condition, the tire condition information D2 meeting the abnormal condition is displayed in the simulated graphic data.

Referring to FIG. 6, in an embodiment, the task mode preset by the data processing unit 32 is a tire condition polling mode. In the tire condition polling mode, the data processing unit 32 sequentially reads each of the device selection codes at an interval reading time, and outputs the corresponding tire condition information D2 to the device by using the device selection code. The display unit 33 is presented in the graphical interface 4. Referring to FIG. 3-1 and FIG. 3-2, it is assumed that the information display module 3 displays the tire condition information D2 of the left front outer wheel when entering the tire condition polling mode, and reads through the interval. After the time, the data processing unit 32 reads the device selection code corresponding to the other left front outer wheel, and outputs the tire condition information D2 corresponding to the other left front outer wheel, as shown in FIG. 3-2. Thereafter, Another device selection code corresponding to another tire is read through the interval reading time for display, and is continuously cycled accordingly.

Moreover, in an embodiment, the task mode preset by the data processing unit 32 may be a tire parameter setting mode. In the tire parameter setting mode, the data processing unit 32 accepts the selection signal to determine the parameters of the tire. More specifically, the driver can operate the stepless knob 34 to output the selection signal to the data processing unit 32, and the data processing unit 32 interprets The selection signal adjusts the parameters of the tire preset in the data processing unit 32. More specifically, the tire parameter referred to in the present invention may be a tire section width, a tire flat ratio, a rim index or a tire load index. Before performing one of the tire parameters, the driver must first select the tire. The parameter to be adjusted is operated by the stepless knob 34 to generate the selection signal for adjustment. In this way, the driver can adjust the tire parameters according to the difference between the tire label and the model, so that the detected tire condition information D2 is more in line with the current situation.

In addition, it can be seen from the above embodiments that the tire pressure detecting module 2 and the information display module 3 of the present invention can be implemented by wireless transmission. Therefore, in an embodiment, the task mode preset by the data processing unit 32 can be a pairing mode of the tire pressure detecting module. In the pairing mode of the tire pressure detector, the data processing unit 32 causes the second data transmission unit 31 to search for the device identification code D1 of any of the tire pressure detecting modules 2 that can be obtained within a connection distance. And determining whether the obtained device identification code D1 has been associated with one of the device selection codes, and if not, indicating that the second data transmission unit 32 is not connected to the tire pressure detecting module 2. Thereafter, the driver can further operate the stepless knob to output the selection signal and designate one of the device selection codes to be associated with the tire pressure detecting module 2, and make the second data transmission unit 32 normal. The first data transmission unit 21 of the tire pressure detecting module 2 that is not paired is electrically connected, and the pairing is completed. In this way, the driver can replace the other tire pressure detecting module and cause the other tire pressure detecting module to interact with the information display module 3 when one of the tire pressure detecting modules is damaged. Connected.

Referring to FIG. 7, the task mode preset by the data processing unit 32 may be a menu mode that provides the driver with the option to enter one of the task modes disclosed above. More specifically, in the menu mode, the graphical interface 4 has a menu block 43. The menu block 43 includes a plurality of menu columns 431, and each of the menu columns 431 represents a task mode, for example, The abnormal condition setting mode, the data patterning mode, or the tire parameter setting mode. During implementation, the driver can enter the menu mode by triggering the setting member 37 and operate The stepless knob 34 generates the selection signal output to the data processing unit 32, and the data processing unit 32 further interprets the selection signal to select one of the menu columns 431, and causes the data processing unit 32 to enter the corresponding menu column 431. Among the mission patterns represented.

In summary, the tire pressure monitoring system of the present invention comprises a plurality of tire pressure detecting modules and an information display module connected to the tire pressure detecting modules. Each of the tire pressure detecting modules is mounted on the tire of the vehicle to detect the condition of the tire and transmits a tire condition information D2 and a device identification code D1 to the information display module. The information display module includes a device for each The data processing unit that is associated with the device selection code and the control unit outputs at least one selection signal to the data processing unit, wherein the data processing unit determines when the selection signal is received. The device selection code corresponding to the selection signal reads the corresponding tire condition information D2, thereby providing a tire condition for the user to quickly know any tire on the vehicle according to the requirement. In an embodiment, the display unit presents a tire pressure change of the selected tire in a monitoring time interval, so that the driver can observe the time point during which the tire pressure is abnormal during driving, thereby avoiding Accidents caused by abnormal tires have occurred repeatedly.

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Variations and modifications are still within the scope of the patents of the present invention.

1‧‧‧ tire pressure monitoring system

2‧‧‧ tire pressure detection module

21‧‧‧Detection unit

22‧‧‧First Data Transfer Unit

3‧‧‧Information display module

31‧‧‧Second data transmission unit

32‧‧‧Data Processing Unit

33‧‧‧Display unit

34‧‧‧No segment knob

35‧‧‧Data storage unit

36‧‧‧ Third Data Transfer Unit

37‧‧‧Settings

D1‧‧‧ device identification code

D2‧‧‧ Tire Status Information

Claims (7)

A tire pressure monitoring system includes: a plurality of tire pressure detecting modules respectively mounted on a vehicle tire, each of the tire pressure detecting modules having a device identification code and including a normal state to detect the tire condition of the vehicle a detection unit having a tire condition information, a first data transmission unit for connecting the detection unit to transmit the tire condition information and the device identification code; and an information display module for each of the information connection The test module includes a second data transmission unit connected to each of the first data transmission units to receive the device identification code corresponding to each of the tire pressure detection modules and the tire condition information, and a second data transmission unit And the data processing unit obtains the device identification codes and the tire condition information, and each of the device identification codes are respectively associated with a device selection code, and the data processing unit is connected to the data processing unit and displayed from the data processing unit. a display unit of the tire condition information obtained by the data processing unit is connected to the data processing unit and connected to the data processing unit by a control means a stepless knob having at least one selection signal, and a setting member connected to the data processing unit and triggered by the user to cause the data processing unit to enter a task mode preset to the data processing unit, wherein the selection signal Correlating with the device selection code, and when the data processing unit accepts the selection signal, reading the corresponding tire condition information by using the corresponding device selection code, and displaying the data from the display unit, the task mode is a data. In the graphical mode, the data processing unit performs data processing on the tire condition information corresponding to the device identification code in a monitoring time interval to convert the tire condition information into an analog graphic. The data is displayed on the display unit, and the simulated graphic data includes a flag data, wherein the flag data indicates one time point of the analog graphic data and is controlled by the selection signal output by the stepless knob to change the flag. The data is at the point in time indicated by the simulated graphic data. The tire pressure monitoring system of claim 1, wherein the information display module further comprises a data storage unit for connecting the data processing unit to store each of the device identification codes and each of the tire condition information. The tire pressure monitoring system of claim 1, wherein the task mode is an abnormal warning mode, wherein in the abnormal warning mode, the data processing unit has a preset in the data processing unit and determines to compare each of the The tire condition information and an abnormal condition for the data processing unit to output an alert signal to the display unit for display when the time is met. The tire pressure monitoring system of claim 1, wherein the task mode is an abnormal condition setting mode, and in the abnormal condition setting mode, the data processing unit accepts the selection signal output by the stepless knob to determine a The abnormal condition is used as a comparison reference value for comparing the tire condition information. The tire pressure monitoring system of claim 1, wherein the task mode is a tire condition polling mode, and the data processing unit sequentially reads each device selection in an interval manner in the tire condition polling mode. The code reads the corresponding tire condition information and outputs it to the display unit for display. The tire pressure monitoring system of claim 1, wherein the task mode is a tire parameter setting mode, and in the tire parameter setting mode, the data processing unit determines the selection signal output by the stepless knob A tire parameter for a vehicle tire. The tire pressure monitoring system of claim 1, wherein the task mode is a tire pressure detection module pairing mode, and the data processing unit searches the second data transmission unit for the tire pressure detector pairing mode. Any device identification code that can be obtained within the connection distance, and determines whether the device identification code has been obtained. If not, the selection signal generated by the stepless knob is determined to correspond to the device identification code. The voltage detection module is connected.