CN202163253U - Car tyre pressure monitoring device - Google Patents
Car tyre pressure monitoring device Download PDFInfo
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- CN202163253U CN202163253U CN2011202954213U CN201120295421U CN202163253U CN 202163253 U CN202163253 U CN 202163253U CN 2011202954213 U CN2011202954213 U CN 2011202954213U CN 201120295421 U CN201120295421 U CN 201120295421U CN 202163253 U CN202163253 U CN 202163253U
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Abstract
The utility model discloses a car tyre pressure monitoring device which mainly comprises a singlechip, angle sensors, an AD (analog to digital) converter, a data storage, a voice module, a car speed sensor and a liquid crystal display, wherein an I/O (input/output) port of the singlechip is connected with the AD converter and the four angle sensor so as to realize real-time collection of car tyre pressure; the I/O port is connected with the car speed sensor so as to read car running speed information; and the car tyre pressure and the car running speed information are stored in the data storage together, and then are carried out on data analysis treatment by software, and obtained tyre pressure and speed information can be transmitted into the liquid crystal display for being played. The car tyre pressure monitoring device realizes the real-time collection and storage of car speed and the tyre pressure, and fast judges whether a car is safe or has potential safety hazards.
Description
Technical field
The utility model discloses a kind of tire pressure of automobile tire monitoring device; Be used for automobile under steam; Four pressure of tire of monitoring automobile change in real time; Avoid causing the generation of accidents such as overturning of automobile with sideslip because of the pressure of tire deficiency causes jolting of vehicle ', it utilizes the measurement of dip angle technology that four pressure of tire of automobile are monitored in real time.Belong to intelligent vehicle safety monitoring early warning field.
Background technology
The increase of automobile has solved a lot of traffic problems, but has also brought a lot of worries, frequent day by day traffic accident to let the people feel with one's hair standing on end deeply simultaneously, and automotive safety becomes the topic that people pay special attention to.When particularly automobile goes on the expressway; The state of the motor tire important that seems, the traffic accident that causes because of the tire problem has been global automobile " public hazards " problem, reduces the incidence of motor traffic accidents; Especially the personal casualty that cuts down traffic accidents becomes the important topic of world car industry.This requires automobile vendor and components supplying merchant to continually develop out pioneering technology, creates and develop some intelligent pre-warning system for monitoring, lets automobile be in constantly in the safety monitoring scope, reaches the purpose of protection safety of person vehicle.
Summary of the invention
The utility model provides a kind of tire pressure of automobile tire monitoring device, and a kind of safety monitoring early warning measure is provided during for vehicle '.
The disclosed tire pressure of automobile tire monitoring device of the utility model adopts following technical solution:
Micro controller system (MCU) is connected with near being installed in four wheels of automobile angular transducer through I/O mouth and AD converter, and the angle-data of collection vehicle reads the angle change information of vehicle body in real time, changes thereby measure pressure of tire indirectly; Be connected with automotive speed sensor through the T0 mouth, read the velocity information that current vehicle is gone in real time, and store in the data memory together; Carry out data analysis through software and handle, obtain the demonstration of tire pressure and velocity information liquor charging crystal display screen, and judge whether safety of vehicle according to this; If the vehicle tyre pressure cruising is steady; Then the data of four angular transducer collections are more or less the same, and do not have potential safety hazard, do not report to the police; If angular transducer has at least a numerical value to have deviation or deviation bigger, vehicle has certain speed simultaneously, and then this moment, vehicle ' can be dangerous; Deviation phenomenon occurs, potential safety hazard is arranged, micro controller system (MCU) send information to arrive LCDs; Feed signals is given voice module suggestion voice alarm message simultaneously; Remind chaufeur to inflate timely, avoid running out the way, avoid the accident of meeting accident tire.(referring to Fig. 1).
Realize the tire pressure of automobile tire monitoring device of the said method of the utility model; It is characterized in that: mainly contain micro controller system (MCU), angular transducer, AD converter, data memory, voice module, automotive speed sensor, LCDs formation; Wherein, The I/O mouth of micro controller system (MCU) is connected with four angular transducers with AD converter, realizes the real-time collection of tire pressure of automobile tire; Be connected with the speed sensor of automobile through the T0 mouth, realize reading of automobile driving speed information; Common storage is carried out data analysis through software and is handled in data memory, obtains tire pressure and velocity information liquor charging crystal display screen and shows; And judge whether safety of vehicle according to this; If the vehicle tyre pressure cruising is steady, if the vehicle tyre pressure cruising is steady, then the data of four angular transducer collections are more or less the same; Show that normal data does not have potential safety hazard, do not report to the police; If angular transducer has at least a numerical value to have deviation or deviation bigger, vehicle has certain speed simultaneously, and then this moment, vehicle ' can be dangerous; Deviation phenomenon occurs, potential safety hazard is arranged, micro controller system (MCU) send information to arrive LCDs; Simultaneously feed signals is given voice module suggestion voice alarm message, causes that chaufeur notes avoiding unexpected and take place, and reminds chaufeur to inflate timely tire; Avoid running out the way, avoid the accident of meeting accident.
The tire pressure of automobile tire monitoring device concrete structure of the utility model is following:
The voltage signal output end of four angular transducers is connected with the analog channel IN0-IN3 of AD converter respectively; P2.2-the P2.4 of micro controller system (MCU) is connected with analog channel selecting side ADD_A, ADD_B, the ADD_C of AD converter respectively; The P2.0 of micro controller system (MCU) is connected with the end of conversion state EOC of AD converter; ((pin two _ 1-2_8) is connected the data port of P0.0-P0.7) and AD converter the P0 mouth of micro controller system (MCU); The P2.6 of micro controller system (MCU) and ALE, START, the ENABLE of AD converter connect together; Realized that the AD conversion starts, accomplished the transmission of image data, realized cycle checkout sampling function four pressure of tire.
Automotive speed sensor is an automobile self speed sensor circuit interface, and its speed in frequency signal pins is connected with the counting machine T0 pin of micro controller system (MCU), realizes the real-time collection of automobile driving speed.
Data memory (E
2PROM) Simulation with I is adopted in control
2The mode of C bus, it transmits through data between two signal wire (SW) SDA (serial data line) SCL (serial time clock line) realization and device.SDA, SCL are connected with pin P3.6 (WR), the P3.7 (RD) of micro controller system (MCU) respectively, realize data memory (E
2PROM) data storage operations.
Simulation SPI signalling methods is adopted in voice module control, and wherein the P1.0--P1.3 of micro controller system (MCU) selects CS, mainly goes out from going into MOSI, serial clock SCK, mainly going into to be connected from going out the MISO pin with the principal and subordinate of speech chip respectively.Realize voice prompt alarm function.
LCDs adopts the serial communication mode, and wherein the P1.6--P1.7 of micro controller system (MCU) is connected with serial clock En (SCLK), serial data RW (STD) pin of LCDs respectively.The serial that realizes liquid crystal display shows the correlation parameter informational function.
Device is connected with the relevant interface of automobile, working power is provided by automobile storage battery.Device is gathered tire pressure of automobile tire and velocity information in real time, and stores in the data memory, and software carries out the real time data analyzing and processing; Obtaining tire pressure and velocity information liquor charging crystal display screen shows; And judge whether safety of vehicle according to this, if the vehicle tyre pressure cruising is steady, then the data of four angular transducer collections are more or less the same; Show that normal data does not have potential safety hazard, do not report to the police; If angular transducer has at least a numerical value to have deviation or deviation bigger, vehicle has certain speed simultaneously, and then this moment, vehicle ' can be dangerous; Deviation phenomenon occurs, potential safety hazard is arranged, micro controller system (MCU) send information to arrive LCDs; Simultaneously feed signals is given voice module suggestion voice alarm message, causes that chaufeur notes avoiding unexpected and take place, and reminds chaufeur to inflate timely tire; Avoid running out the way, avoid the accident of meeting accident.
The good effect of the utility model is:Realized the real-time collection and the storage of car speed and pressure of tire, and judged whether safety of vehicle fast, whether potential safety hazard has been arranged.And show with audio alert prompting chaufeur through LCDs and in time to understand vehicle condition.Through the utility model, can reduce automobile because the potential safety hazard that the tire pressure problem causes increases substantially traffic safety, guaranteed the people's the life and the safety of property.Guarantee vehicle and personnel's safety.
Description of drawings
Fig. 1 is the utility model structured flowchart;
Fig. 2 is the utility model schematic circuit diagram.
The specific embodiment
Through following examples the utility model is described for example further; And limit the utility model never in any form; Under the prerequisite of the technical solution that does not deviate from the utility model, any change or change that those of ordinary skills that the utility model is done realize easily all will fall within the claim scope of the utility model.
According to shown in Figure 1; The utility model device is by micro controller system (MCU), angular transducer, AD converter, data memory, voice module, automotive speed sensor, LCDs; Wherein, The I/O mouth of micro controller system (MCU) is connected with four angular transducers with AD converter, realizes the real-time collection of tire pressure of automobile tire; Be connected with the speed sensor of automobile through the T0 mouth, realize reading of automobile driving speed information; Common storage is in data memory; Carry out data analysis through software and handle, obtain the demonstration of tire pressure and velocity information liquor charging crystal display screen, and judge whether safety of vehicle according to this; If the vehicle tyre pressure cruising is steady; Then the data of four angular transducer collections are more or less the same, and show that normal data does not have potential safety hazard, do not report to the police; If angular transducer has at least a numerical value to have deviation or deviation bigger, vehicle has certain speed simultaneously, and then this moment, vehicle ' can be dangerous; Deviation phenomenon occurs, potential safety hazard is arranged, micro controller system (MCU) send information to arrive LCDs; Simultaneously feed signals is given voice module suggestion voice alarm message, causes that chaufeur notes avoiding unexpected and take place, and reminds chaufeur to inflate timely tire; Avoid running out the way, avoid the accident of meeting accident.
According to shown in Figure 2, the voltage signal output end of four angular transducers (present embodiment adopts the ORS-CLM type) is connected with the analog channel IN0-IN3 of AD converter (present embodiment adopts ADC0809) respectively; P2.2-the P2.4 of micro controller system (MCU) (present embodiment adopts 89S52) is connected with analog channel selecting side ADD_A, ADD_B, the ADD_C of AD converter respectively; The P2.0 of micro controller system (MCU) is connected with the end of conversion state EOC of AD converter; ((pin two _ 1-2_8) is connected the data port of P0.0-P0.7) and AD converter the P0 mouth of micro controller system (MCU); The P2.6 of micro controller system (MCU) and ALE, START, the ENABLE of AD converter connect together; Realized that the AD conversion starts, accomplished the transmission of image data, realized cycle checkout sampling function four pressure of tire.
Automotive speed sensor is an automobile self speed sensor circuit interface, and its speed in frequency signal pins is connected with the counting machine T0 pin of micro controller system (MCU), realizes the real-time collection of automobile driving speed.
Data memory (E
2PROM) Simulation with I is adopted in the control of (present embodiment adopts 24c256)
2The mode of C bus, it transmits through data between two signal wire (SW) SDA (serial data line) SCL (serial time clock line) realization and device.SDA, SCL are connected with pin P3.6 (WR), the P3.7 (RD) of micro controller system (MCU) respectively, realize data memory (E
2PROM) to the storage operation of pressure of tire and velocity information.
LCDs (present embodiment adopts LCD12864) adopts the serial communication mode, and wherein the P1.6--P1.7 of micro controller system (MCU) is connected with serial clock En (SCLK), serial data RW (STD) pin of LCDs respectively.Realize the function of the serial demonstration correlation parameter information of liquid crystal display.
Simulation SPI signalling methods is adopted in voice module (present embodiment adopts speech chip ISD1700) control; Wherein the P1.0--P1.3 of micro controller system (MCU) selects CS with the principal and subordinate of speech chip respectively, leads from going into MOSI, serial clock SCK, leading to go into to be connected from going out the MISO pin; Realize voice prompt alarm function, remind chaufeur in time to understand the vehicle tyre situation.
Claims (2)
1. tire pressure of automobile tire monitoring device; It is characterized in that: constitute by micro controller system, angular transducer, AD converter, data memory, voice module, automotive speed sensor, LCDs; Wherein, The I/O mouth of micro controller system is connected with four angular transducers with AD converter, realizes the real-time collection of tire pressure of automobile tire; Be connected with the speed sensor of automobile through the T0 mouth, realize reading of automobile driving speed information, common storage is carried out data analysis through software and is handled in data memory, obtains tire pressure and velocity information liquor charging crystal display screen and shows.
2. tire pressure of automobile tire monitoring device according to claim 1 is characterized in that:
The voltage signal output end of four angular transducers is connected with the analog channel IN0-IN3 of AD converter respectively; P2.2-the P2.4 of micro controller system is connected with analog channel selecting side ADD_A, ADD_B, the ADD_C of AD converter respectively; The P2.0 of micro controller system is connected with the end of conversion state EOC of AD converter; The P0 mouth of micro controller system is connected with the data port of AD converter, and the P2.6 of micro controller system and the ALE of AD converter, START, ENABLE connect together, and has realized that the AD conversion starts; Accomplish the transmission of image data, realize cycle checkout sampling function four pressure of tire;
Automotive speed sensor is an automobile self speed sensor circuit interface, and its speed in frequency signal pins is connected with the counting machine T0 pin of micro controller system, realizes the real-time collection of automobile driving speed;
Simulation with I is adopted in the control of data memory
2The mode of C bus, it transmits through data between two signal wire (SW) serial data lines and serial time clock line realization and device; Serial data line is connected with pin P3.6, the P3.7 of micro controller system respectively with serial time clock line, realizes the data storage operations of data memory;
Simulation SPI signalling methods is adopted in voice module control, and wherein the P1.0--P1.3 of micro controller system selects CS, mainly goes out from going into MOSI, serial clock SCK, mainly going into to be connected from going out the MISO pin with the principal and subordinate of speech chip respectively; LCDs adopts the serial communication mode, wherein micro controller system P1.6--P1.7 respectively with serial clock En, the serial data RW of LCDs) pin is connected, realizes the serial demonstration correlation parameter informational function of liquid crystal display.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202954213U CN202163253U (en) | 2011-08-13 | 2011-08-13 | Car tyre pressure monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202954213U CN202163253U (en) | 2011-08-13 | 2011-08-13 | Car tyre pressure monitoring device |
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| Publication Number | Publication Date |
|---|---|
| CN202163253U true CN202163253U (en) | 2012-03-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202954213U Expired - Fee Related CN202163253U (en) | 2011-08-13 | 2011-08-13 | Car tyre pressure monitoring device |
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| CN (1) | CN202163253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864181A (en) * | 2017-04-28 | 2017-06-20 | 吉林大学 | A kind of automobile tire burst prevention prior-warning device and its control method based on conducting film |
-
2011
- 2011-08-13 CN CN2011202954213U patent/CN202163253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106864181A (en) * | 2017-04-28 | 2017-06-20 | 吉林大学 | A kind of automobile tire burst prevention prior-warning device and its control method based on conducting film |
| CN106864181B (en) * | 2017-04-28 | 2018-11-27 | 吉林大学 | A kind of automobile tire burst prevention prior-warning device and its control method based on conductive film |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20120813 |