CN103332077A - Monitoring system for air pressure of automobile tire and working method thereof - Google Patents
Monitoring system for air pressure of automobile tire and working method thereof Download PDFInfo
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- CN103332077A CN103332077A CN2013102243681A CN201310224368A CN103332077A CN 103332077 A CN103332077 A CN 103332077A CN 2013102243681 A CN2013102243681 A CN 2013102243681A CN 201310224368 A CN201310224368 A CN 201310224368A CN 103332077 A CN103332077 A CN 103332077A
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Abstract
The invention belongs to the field of automobile safety control, and particularly relates to the field of control and detection for the air pressure of an automobile tire. A monitoring system for the air pressure of the automobile tire comprises a controller, a low-frequency trigger and a tire-pressure sensor, wherein the low-frequency trigger and the tire-pressure sensor are connected with the controller; an LIN bus is adopted for transmitting signals between the controller and the low-frequency trigger; a wireless mode is adopted for transmitting the signals between the low-frequency trigger and the tire-pressure sensor; a wireless mode is adopted for transmitting the signals between the tire-pressure sensor and the controller. The monitoring system has the advantages that a driver can know information such as air pressure and temperature of the vehicle tires in real time, and when the forewarning states of flat tires such as air deficiency, air leakage or overhigh tire temperature occur, the tires emit light or sound to give an alarm for reminding, so that the driver can adopt preventive measures such as speed reduction, stoppage and air supplement actively to prevent accidents from occuring.
Description
Technical field
The invention belongs to automotive safety control field, relate to a kind of air pressure of automobile tire control detection range in particular.
Technical background
Vehicle is the present important vehicle, and along with the expansion of vehicle field of application and progressively increasing of quantity, the fast development of height highway network also improves the moving velocity of vehicle accordingly, so reliability, the security requirement of vehicle also improved day by day.In the traffic accident that causes because of reasons such as tires, the overwhelming majority is owing to the tire pressure problem causes, along with traffic volume of highway increases rapidly, the overload scene is serious day by day, make highway, bridge, other facility havoc and personal casualty, traffic accident is taken place again and again.These traffic accident great majority all be owing to vehicle tyre superpressure, under-voltage, temperature is too high and the load-carrying of vehicle is excessive etc., and reason causes.
At present, the tire monitor and early warning system generally adopts monitors in real time to the temperature/pressure of the tire of vehicle, and with wireless launcher monitoring information is passed to prior-warning device and carry out that data show or report to the police.Under the strongly disturbing situation in the external world, or be applied under the long situation of vehicle body, radio transmission distance and the emission efficiency of apparatus surveillance of pneumatic tyre can descend, may make the apparatus surveillance of pneumatic tyre of vehicle in time not send main frame to new data, thereby make the reliability of vehicle and safety can not get ensureing.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of tire monitor system of vehicle, has solved the lower problem of tire monitor and early warning system sensitivity of vehicle in the prior art.
For solving the problems of the technologies described above, the invention provides a kind of air pressure of automobile tire monitoring system, comprise low frequency binary pair and tyre pressure sensor that controller is connected with controller, adopt LIN bus transfer signal between controller and low frequency binary pair and low frequency binary pair, adopt wireless signal transmission between low frequency binary pair and tyre pressure sensor, adopt wireless signal transmission between tyre pressure sensor and controller, tyre pressure sensor comprises left front tyre pressure sensor and the right front tyre pressure sensor that is arranged on the front-wheel and is arranged on left back tyre pressure sensor and right back tyre pressure sensor on the trailing wheel, and the low frequency binary pair comprises left front low frequency binary pair and the right front low frequency binary pair that is arranged on the front-wheel and is arranged on left back low frequency binary pair and right back low frequency binary pair on the trailing wheel.
Preferably, left front low frequency binary pair, right front low frequency binary pair, left back low frequency binary pair, right back low frequency binary pair are separately positioned on the mudwing back of left front tire, right front fire, left rear tire, right rear fire.
Preferably, it is inner and be arranged on the tire wheel hub by tire tube valve that left front tyre pressure sensor, right front tyre pressure sensor, left back tyre pressure sensor, right back tyre pressure sensor are separately positioned on left front tire, right front fire, left rear tire, right rear fire.
Preferably, all be integrated with battery in left front tyre pressure sensor, right front tyre pressure sensor, left back tyre pressure sensor, the right back tyre pressure sensor.
Preferably, controller is arranged on car inside, and described controller is provided with display module and annunciator.
A kind of method of work of air pressure of automobile tire monitoring system, this method comprise the startup self-detection process, locate ID process and normal operation observation process automatically.
Preferably, the method of work of startup self-detection process is: after the air pressure of automobile tire monitoring system connects power supply, at first interior each assembly work of dispatching system of controller, trigger tyre pressure sensor work induction and send signal by sending LIN order control low frequency binary pair, after controller receives the signal that tyre pressure sensor sends, namely finished the process of a two way communication, check each functional module whether all normal in this process successively, and obtained the current up-to-date information of tire and sent to display module.
Preferably, automatically the method for work of location ID process is: vehicle ignition switch is got to the OFF shelves, get to the ON shelves then, start vehicle, when controller reads after current vehicle speed is higher than 25km/h and moves ten minutes, controller sends the 125KHz low frequency signal by the left front low frequency binary pair of LIN line transmission signal control, controller receives the high frequency feedback signal of left front tyre pressure sensor simultaneously, behind the signal that receives left front tyre pressure sensor, left front tyre pressure sensor ID number is recorded and bind with left front display position, after reading the near front wheel signal, controller cuts out the emission of left front low frequency binary pair, open the emission of right front low frequency binary pair, with the left front tire ID number same method in location right front tyre pressure sensor ID and display position are bound, locate left rear tire ID number and right rear fire ID number with the right front fire ID number identical method in location.
Preferably, the method of work of normal operation observation process is: controller receives the high-frequency signal that tyre pressure sensor sends in real time, the high-frequency signal that receives is carried out data to be handled, information such as the air pressure after handling, temperature, alarm condition are sent to display module, communicating by letter between monitoring simultaneously and the tyre pressure sensor whether have lose unusual etc., if abnormal condition occur, the annunciator on the controller is implemented to report to the police.
Preferably, a kind of method of work of air pressure of automobile tire monitoring system is the two way communication method of work.
Adopt the beneficial effect of technique scheme to be: to adopt controller control low frequency binary pair to trigger tyre pressure sensor work, make tyre pressure sensor carry out instant monitoring to the othermohygrometer lamp in the tire, and the information that monitoring is collected shown by the display module of transmission of wireless signals to controller and on controller, if improper information occurs, then the annunciator in the controller is implemented to report to the police at once, adopt LIN line transmission signal between controller and low frequency binary pair, make signal more stable, because tyre pressure sensor is installed on the wheel hub of motor tire, tyre pressure sensor is along with motor tire rotates, so be not easy to install connection LIN line on the tyre pressure sensor, so low frequency binary pair and tyre pressure sensor, adopt Radio Transmission Technology transmission signal between tyre pressure sensor and controller, adopt a kind of air pressure of automobile tire monitoring system of the present invention to make the understanding vehicle tyre air pressure that navigating mate can be real-time, information such as temperature, and at tire deficency appears, gas leakage or tire temperature are high excessively blows out during the omen state, emit beam or the audible alarm prompting, make navigating mate initiatively take in advance to slow down, stop, preventive such as tonifying Qi avoid accident to take place.
Description of drawings
Fig. 1 is the structural representation of a kind of air pressure of automobile tire monitoring system of the present invention,
The specific embodiment
Below in conjunction with Figure of description technical scheme of the present invention and structure are described, so that those skilled in the art understand.
As shown in Figure 1, a kind of air pressure of automobile tire monitoring system, comprise low frequency binary pair and tyre pressure sensor that controller is connected with controller, adopt LIN bus transfer signal between controller and low frequency binary pair and low frequency binary pair, adopt wireless signal transmission between low frequency binary pair and tyre pressure sensor, adopt wireless signal transmission between tyre pressure sensor and controller, tyre pressure sensor comprises left front tyre pressure sensor and the right front tyre pressure sensor that is arranged on the front-wheel and is arranged on left back tyre pressure sensor and right back tyre pressure sensor on the trailing wheel, the low frequency binary pair comprises left front low frequency binary pair and the right front low frequency binary pair that is arranged on the front-wheel and is arranged on left back low frequency binary pair and right back low frequency binary pair on the trailing wheel, left front low frequency binary pair, right front low frequency binary pair, left back low frequency binary pair, right back low frequency binary pair is separately positioned on left front tire, right front fire, left rear tire, the mudwing back of right rear fire, left front tyre pressure sensor, right front tyre pressure sensor, left back tyre pressure sensor, right back tyre pressure sensor is separately positioned on left front tire, right front fire, left rear tire, right rear fire is inner and be arranged on the tire wheel hub by tire tube valve, left front tyre pressure sensor, right front tyre pressure sensor, left back tyre pressure sensor, all be integrated with battery in the right back tyre pressure sensor, controller is arranged on car inside, and described controller is provided with display module and annunciator.
A kind of method of work of air pressure of automobile tire monitoring system, this method comprise the startup self-detection process, locate ID process and normal operation observation process automatically; The method of work of startup self-detection process is: after the air pressure of automobile tire monitoring system connects power supply, at first interior each assembly work of dispatching system of controller, trigger tyre pressure sensor work induction and send signal by sending LIN order control low frequency binary pair, after controller receives the signal that tyre pressure sensor sends, namely finished the process of a two way communication, check each functional module whether all normal in this process successively, and obtained the current up-to-date information of tire and sent to display module; Automatically the method for work of location ID process is: vehicle ignition switch is got to the OFF shelves, get to the ON shelves then, start vehicle, when controller reads after current vehicle speed is higher than 25km/h and moves ten minutes, controller sends the 125KHz low frequency signal by the left front low frequency binary pair of LIN line transmission signal control, controller receives the high frequency feedback signal of left front tyre pressure sensor simultaneously, behind the signal that receives left front tyre pressure sensor, left front tyre pressure sensor ID number is recorded and bind with left front display position, after reading the near front wheel signal, controller cuts out the emission of left front low frequency binary pair, open the emission of right front low frequency binary pair, with the left front tire ID number same method in location right front tyre pressure sensor ID and display position are bound, locate left rear tire ID number and right rear fire ID number with the right front fire ID number identical method in location; The method of work of normal operation observation process is: controller receives the high-frequency signal that tyre pressure sensor sends in real time, the high-frequency signal that receives is carried out data to be handled, information such as the air pressure after handling, temperature, alarm condition are sent to display module, communicating by letter between monitoring simultaneously and the tyre pressure sensor whether have lose unusual etc., if abnormal condition occur, the annunciator on the controller is implemented to report to the police; A kind of method of work of air pressure of automobile tire monitoring system is the two way communication method of work.
Adopt the beneficial effect of technique scheme to be: to adopt controller control low frequency binary pair to trigger tyre pressure sensor work, make tyre pressure sensor carry out instant monitoring to the othermohygrometer lamp in the tire, and the information that monitoring is collected shown by the display module of transmission of wireless signals to controller and on controller, if improper information occurs, then the annunciator in the controller is implemented to report to the police at once, adopt LIN line transmission signal between controller and low frequency binary pair, make signal more stable, because tyre pressure sensor is installed on the wheel hub of motor tire, tyre pressure sensor is along with motor tire rotates, so be not easy to install connection LIN line on the tyre pressure sensor, so low frequency binary pair and tyre pressure sensor, adopt Radio Transmission Technology transmission signal between tyre pressure sensor and controller, adopt a kind of air pressure of automobile tire monitoring system of the present invention to make the understanding vehicle tyre air pressure that navigating mate can be real-time, information such as temperature, and at tire deficency appears, gas leakage or tire temperature are high excessively blows out during the omen state, emit beam or the audible alarm prompting, make navigating mate initiatively take in advance to slow down, stop, preventive such as tonifying Qi avoid accident to take place.
Above-mentionedly by reference to the accompanying drawings exemplary description has been carried out in invention; obviously specific implementation of the present invention is not subjected to the restriction of aforesaid way; as long as this non-essential improvement that has adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasions without improving the design that will invent and technical scheme, all within protection scope of the present invention.
Claims (10)
1. air pressure of automobile tire monitoring system, comprise low frequency binary pair and tyre pressure sensor that controller is connected with controller, it is characterized in that: adopt LIN bus transfer signal between described controller and low frequency binary pair and low frequency binary pair, adopt wireless signal transmission between described low frequency binary pair and tyre pressure sensor, adopt wireless signal transmission between described tyre pressure sensor and controller, described tyre pressure sensor comprises left front tyre pressure sensor and the right front tyre pressure sensor that is arranged on the front-wheel and is arranged on left back tyre pressure sensor and right back tyre pressure sensor on the trailing wheel, and described low frequency binary pair comprises left front low frequency binary pair and the right front low frequency binary pair that is arranged on the front-wheel and is arranged on left back low frequency binary pair and right back low frequency binary pair on the trailing wheel.
2. a kind of air pressure of automobile tire monitoring system according to claim 1, it is characterized in that: described left front low frequency binary pair, right front low frequency binary pair, left back low frequency binary pair, right back low frequency binary pair are separately positioned on the mudwing back of left front tire, right front fire, left rear tire, right rear fire.
3. a kind of air pressure of automobile tire monitoring system according to claim 1 is characterized in that: described left front tyre pressure sensor, right front tyre pressure sensor, left back tyre pressure sensor, right back tyre pressure sensor are separately positioned on left front tire, right front fire, left rear tire, right rear fire is inner and be arranged on the tire wheel hub by tire tube valve.
4. a kind of air pressure of automobile tire monitoring system according to claim 3 is characterized in that: all be integrated with battery in described left front tyre pressure sensor, right front tyre pressure sensor, left back tyre pressure sensor, the right back tyre pressure sensor.
5. a kind of air pressure of automobile tire monitoring system according to claim 1, it is characterized in that: described controller is arranged on car inside, and described controller is provided with display module and annunciator.
6. the method for work of the described a kind of air pressure of automobile tire monitoring system of claim 1~5 is characterized in that: described method comprises the startup self-detection process, locatees ID process and normal operation observation process automatically.
7. the method for work of a kind of air pressure of automobile tire monitoring system according to claim 6, it is characterized in that, the method of work of described startup self-detection process is: after the air pressure of automobile tire monitoring system connects power supply, at first interior each assembly work of dispatching system of controller, trigger tyre pressure sensor work induction and send signal by sending LIN order control low frequency binary pair, after controller receives the signal that tyre pressure sensor sends, namely finished the process of a two way communication, check each functional module whether all normal in this process successively, and obtained the current up-to-date information of tire and sent to display module.
8. the method for work of a kind of air pressure of automobile tire monitoring system according to claim 6, it is characterized in that, the method of work of described automatic location ID process is: vehicle ignition switch is got to the OFF shelves, get to the ON shelves then, start vehicle, when controller reads after current vehicle speed is higher than 25km/h and moves ten minutes, controller sends the 125KHz low frequency signal by the left front low frequency binary pair of LIN line transmission signal control, controller receives the high frequency feedback signal of left front tyre pressure sensor simultaneously, behind the signal that receives left front tyre pressure sensor, left front tyre pressure sensor ID number is recorded and bind with left front display position, after reading the near front wheel signal, controller cuts out the emission of left front low frequency binary pair, open the emission of right front low frequency binary pair, with the left front tire ID number same method in location right front tyre pressure sensor ID and display position are bound, locate left rear tire ID number and right rear fire ID number with the right front fire ID number identical method in location.
9. the method for work of a kind of air pressure of automobile tire monitoring system according to claim 6, it is characterized in that, the method of work of described normal operation observation process is: controller receives the high-frequency signal that tyre pressure sensor sends in real time, the high-frequency signal that receives is carried out data to be handled, information such as the air pressure after handling, temperature, alarm condition are sent to display module, communicating by letter between monitoring simultaneously and the tyre pressure sensor whether have lose unusual etc., if abnormal condition occur, the annunciator on the controller is implemented to report to the police.
10. the method for work of the described a kind of air pressure of automobile tire monitoring system of claim 6~9 is characterized in that, described method is the two way communication method of work.
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Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104111142A (en) * | 2014-07-29 | 2014-10-22 | 苏州工业职业技术学院 | Test method of automobile tire pressure sensor |
CN104228483A (en) * | 2014-09-29 | 2014-12-24 | 安徽江淮汽车股份有限公司 | Tire pressure monitoring method and system |
CN107650588A (en) * | 2017-09-11 | 2018-02-02 | 上海志工电子科技有限公司 | A kind of loop tire pressure monitoring system of high and low frequency |
CN107696802A (en) * | 2017-09-27 | 2018-02-16 | 杭州科技职业技术学院 | Mechanical avoiding system of blowing out |
CN108099916A (en) * | 2016-11-25 | 2018-06-01 | 比亚迪股份有限公司 | A kind of method, system and vehicle for monitoring vehicle running state |
CN108225659A (en) * | 2017-12-27 | 2018-06-29 | 深圳市道通科技股份有限公司 | Tyre pressure sensor information acquisition method, device, storage medium and electronic equipment |
CN110956240A (en) * | 2019-12-04 | 2020-04-03 | 东风汽车集团有限公司 | Direct type tire pressure sensor learning system, online learning system and method |
CN111845221A (en) * | 2020-08-21 | 2020-10-30 | 徐州徐工汽车制造有限公司 | Tire pressure monitoring system and method for automatic calibration of tire pressure sensor |
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CN203344664U (en) * | 2013-06-07 | 2013-12-18 | 合肥晟泰克汽车电子有限公司 | Car tire air pressure monitoring system |
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US20040099055A1 (en) * | 2002-11-20 | 2004-05-27 | Honda Motor Co., Ltd. | Tire pressure monitoring system |
CN101149868A (en) * | 2006-09-19 | 2008-03-26 | 株式会社电装 | Wheel position detecting device and tire air pressure detecting device using the same |
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Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104111142A (en) * | 2014-07-29 | 2014-10-22 | 苏州工业职业技术学院 | Test method of automobile tire pressure sensor |
CN104111142B (en) * | 2014-07-29 | 2017-01-11 | 苏州工业职业技术学院 | Test method of automobile tire pressure sensor |
CN104228483A (en) * | 2014-09-29 | 2014-12-24 | 安徽江淮汽车股份有限公司 | Tire pressure monitoring method and system |
CN104228483B (en) * | 2014-09-29 | 2016-08-24 | 安徽江淮汽车股份有限公司 | A kind of tire pressure monitoring method and system |
CN108099916A (en) * | 2016-11-25 | 2018-06-01 | 比亚迪股份有限公司 | A kind of method, system and vehicle for monitoring vehicle running state |
CN107650588A (en) * | 2017-09-11 | 2018-02-02 | 上海志工电子科技有限公司 | A kind of loop tire pressure monitoring system of high and low frequency |
CN107696802A (en) * | 2017-09-27 | 2018-02-16 | 杭州科技职业技术学院 | Mechanical avoiding system of blowing out |
CN107696802B (en) * | 2017-09-27 | 2023-12-15 | 杭州科技职业技术学院 | Mechanical tire burst danger avoiding system |
CN108225659A (en) * | 2017-12-27 | 2018-06-29 | 深圳市道通科技股份有限公司 | Tyre pressure sensor information acquisition method, device, storage medium and electronic equipment |
CN108225659B (en) * | 2017-12-27 | 2020-03-24 | 深圳市道通科技股份有限公司 | Tire pressure sensor information acquisition method and device, storage medium and electronic equipment |
CN110956240A (en) * | 2019-12-04 | 2020-04-03 | 东风汽车集团有限公司 | Direct type tire pressure sensor learning system, online learning system and method |
CN111845221A (en) * | 2020-08-21 | 2020-10-30 | 徐州徐工汽车制造有限公司 | Tire pressure monitoring system and method for automatic calibration of tire pressure sensor |
CN111845221B (en) * | 2020-08-21 | 2023-10-03 | 徐州徐工汽车制造有限公司 | Tire pressure monitoring system and method for automatic calibration of tire pressure sensor |
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