CN103303076A - Real-time automobile tire pressure monitoring device using acoustic surface wave pressure sensors - Google Patents
Real-time automobile tire pressure monitoring device using acoustic surface wave pressure sensors Download PDFInfo
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- CN103303076A CN103303076A CN2013102414863A CN201310241486A CN103303076A CN 103303076 A CN103303076 A CN 103303076A CN 2013102414863 A CN2013102414863 A CN 2013102414863A CN 201310241486 A CN201310241486 A CN 201310241486A CN 103303076 A CN103303076 A CN 103303076A
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Abstract
The invention provides a real-time automobile tire pressure monitoring device using acoustic surface wave pressure sensors, belonging to the fields of electronics, signal detection, communication and the like. The real-time automobile tire pressure monitoring device comprises the passive acoustic surface wave pressure sensors on automobile tires, and a high-frequency signal transceiver module, a pressure signal processing module, an overpressure alarm module and a pressure display module which are arranged in an automobile, wherein a data output end of each passive acoustic surface wave pressure sensor is connected with a data input end of the high-frequency signal transceiver module; a data output end of the high-frequency signal transceiver module is connected with a data input end of the pressure signal processing module; a data output end of the pressure signal processing module is connected with a data input end of the overpressure alarm module; a data output end of the overpressure alarm module is connected with a data input end of the pressure display module. The real-time automobile tire pressure monitoring device can be used for automatically monitoring the vehicle tire pressure in a driving process, thus providing certain guarantee for the driving safety of the automobile.
Description
The invention provides a kind of vehicle tire pressure real-time monitoring device that uses surface acoustic wave pressure sensor, belong to the fields such as electronic devices and components, wireless telecommunications, comprise the passive sonic surface wave pressure sensor that is installed on the motor tire, the high-frequency signal transceiver module that is installed in automotive interior, pressure signal processing module, overpressure alarm module, pressure display module.The data output end of passive sonic surface wave pressure sensor connects the data input pin of high-frequency signal transceiver module; The data input pin of the data output end Bonding pressure signal processing module of high-frequency signal transceiver module; The data output end of pressure signal processing module connects the data input pin of overpressure alarm module; The data input pin of the data output end Bonding pressure display module of overpressure alarm module.This device is implemented automatic monitoring to the vehicle tyre pressure in travelling, for the driving safety of automobile provides certain guarantee.
Technical field
Belong to the fields such as electronics, signal detection, communication, relate to and use passive sonic surface wave pressure sensor, high frequency communication device and technology, wireless communication technology, be applied to the automatic tire pressure detection under the vehicle running state.
Background technology
Seldom see tire pressure online real time collecting monitoring product on automotive safety product engineering in the past or the market, mainly be because: automotive tire pressure detects needs miniaturization, without power supply, measure accurately, this is difficult to realize in conventional art.
Use the automotive tire pressure real-time monitoring device of surface acoustic wave techniques to address this problem well.Take the pressure sensor of SAW device as sensitive member combining wireless answering system, sensor need not power supply, make it have very high sensitivity to pressure based on it to the remarkable sensivity of pressure and by appropriate design, surface acoustic wave sensor is by sensor antenna, the echo area of the outer coding of interdigital transducer and sensor body, the active antenna reader, the signal post-processing unit forms, sensor antenna receives the electromagnetic pulse signal that is sent by several meters away reader, be converted into surface acoustic wave by interdigital transducer, form echo after running into reflection bar, echo again is converted into electromagnetic wave by interdigital transducer and again goes out by antenna transmission.These echoed signals have formed by the number of the reflection bar of plane of crystal and the pulse train of determining positions, because the variation of pressure has caused backward wave speed that variation has occured, pressure signal processing module pulse velocity changes and carries out Real-time demodulation, converses the deviate with standard pressure.
Summary of the invention
The purpose of this invention is to provide a kind ofly based on surface acoustic wave pressure sensor, high-frequency data mechanics of communication technology and the device to the vehicle tire pressure automatic real-time monitoring in travelling, provide early warning to the safety of motor tire.
Hardware of the present invention forms by being installed in the passive sonic surface wave pressure sensor on the motor tire, the high-frequency signal transceiver module that is installed in automotive interior, pressure signal processing module, pressure display module, overpressure alarm module.
Technical scheme of the present invention: comprise the passive sonic surface wave pressure sensor that is installed on the motor tire, the high-frequency signal transceiver module that is installed in automotive interior, pressure signal processing module, overpressure alarm module, pressure display module.The data output end of passive sonic surface wave pressure sensor connects the data input pin of high-frequency signal transceiver module; The data input pin of the data output end Bonding pressure signal processing module of high-frequency signal transceiver module; The data output end of pressure signal processing module connects the data input pin of overpressure alarm module; The data input pin of the data output end Bonding pressure display module of overpressure alarm module.This device is implemented automatic monitoring to the vehicle tyre pressure in travelling, for the driving safety of automobile provides certain guarantee.
The present invention has advantages of:
1. can detect in real time accurately each tire pressure of automobile in travelling.
2. simple installation, volume is small and exquisite.
Description of drawings
Fig. 1 is block diagram of the present invention;
Fig. 2 is configuration schematic diagram of the present invention;
The specific embodiment
As shown in Figure 1, a kind of vehicle tire pressure real-time monitoring device that uses surface acoustic wave pressure sensor of the present invention, the passive sonic surface wave pressure sensor is comprised of the echo area of the outer coding of sensor antenna, interdigital transducer and sensor body, is installed on the motor tire admission piece or directly is placed in the tire; The high-frequency signal transceiver module is comprised of a reader with active antenna, the high-frequency electromagnetic impulse singla of high frequency antenna transmitting-receiving and surface acoustic wave communication; The pressure signal processing module comprises signal demodulating circuit, and the code signal and the standard signal that demodulate are sent into comparator, draws deviate, and then draws the observed pressure value; The overpressure alarm module comprises Liquid Crystal Display, sound generator, bluetooth communication module, and the overproof value of pressure is passed through sound and light alarm, or sends signal on the vehicular telephone by the bluetooth module, thereby reaches warning function.
Described passive sonic surface wave pressure sensor is comprised of the outer echo area of encoding of sensor antenna, interdigital transducer and sensor body, installs on the motor tire.
Described high-frequency signal transceiver module is comprised of a reader with active antenna, the high-frequency electromagnetic impulse singla of high frequency antenna transmitting-receiving and surface acoustic wave communication.
Described pressure signal processing module comprises signal demodulating circuit, and the code signal and the standard signal that demodulate are sent into comparator, draws deviate, and then draws the observed pressure value.
Described overpressure alarm module comprises Liquid Crystal Display, sound generator, bluetooth communication module, and the overproof value of pressure is passed through sound and light alarm, or sends signal on the vehicular telephone by the bluetooth module.
As shown in Figure 2, be installed in each tire 2 inside of automobile 5 or the passive sonic surface wave pressure sensor 1 on the admission piece, the pressure variation of Real-time Collection tire, surface acoustic wave antenna reader 4 is by high-frequency electromagnetic impulse singla 6 and above-mentioned passive sonic surface wave pressure sensor 1 intercommunication, receive high-frequency electromagnetic impulse singla 6, pass through again the surface acoustic wave (SAW) pressure signal processing module, calculate the pressure divergence value; Pressure shows and annunciator 3 sends the overproof early warning signal of pressure to chaufeur.
Above one embodiment of the present of invention are had been described in detail, but described content only is preferred embodiment of the present invention, can not be considered to be used to limiting practical range of the present invention.All equalizations of doing according to the present patent application scope change and improve etc., all should still belong within the patent covering scope of the present invention.
Claims (2)
1. vehicle tire pressure real-time monitoring device that uses surface acoustic wave pressure sensor, it is characterized in that comprising: be installed in the passive sonic surface wave pressure sensor on the motor tire, the high-frequency signal transceiver module that is installed in automotive interior, pressure signal processing module, overpressure alarm module, pressure display module, the data output end of passive sonic surface wave pressure sensor connects the data input pin of high-frequency signal transceiver module; The data input pin of the data output end Bonding pressure signal processing module of high-frequency signal transceiver module; The data output end of pressure signal processing module connects the data input pin of overpressure alarm module; The data input pin of the data output end Bonding pressure display module of overpressure alarm module.
2. a kind of vehicle tire pressure real-time monitoring device that uses surface acoustic wave pressure sensor as claimed in claim 1, be further characterized in that described passive sonic surface wave pressure sensor is passive device, can be installed in tire admission piece mouth, also can directly be placed in the tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102414863A CN103303076A (en) | 2013-06-17 | 2013-06-17 | Real-time automobile tire pressure monitoring device using acoustic surface wave pressure sensors |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013102414863A CN103303076A (en) | 2013-06-17 | 2013-06-17 | Real-time automobile tire pressure monitoring device using acoustic surface wave pressure sensors |
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| CN103303076A true CN103303076A (en) | 2013-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013102414863A Pending CN103303076A (en) | 2013-06-17 | 2013-06-17 | Real-time automobile tire pressure monitoring device using acoustic surface wave pressure sensors |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903902A (en) * | 2014-03-14 | 2014-07-02 | 国家电网公司 | Device for measuring pressure of high-voltage circuit breaker arc extinguish chamber based on acoustic surface waves |
| WO2016041391A1 (en) * | 2014-09-19 | 2016-03-24 | 软控股份有限公司 | Patch-type passive surface acoustic wave sensing device and intelligent tire |
| CN107063527A (en) * | 2017-06-07 | 2017-08-18 | 上海洛丁森工业自动化设备有限公司 | A kind of passive and wireless multichannel pressure monitor system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1365321A (en) * | 1999-07-28 | 2002-08-21 | 传感技术有限公司 | Pressure monitor system |
| EP1469427A2 (en) * | 2003-04-17 | 2004-10-20 | Continental Aktiengesellschaft | Apparatus for recording data related to a vehicle accident |
| GB2406170A (en) * | 2000-09-08 | 2005-03-23 | Automotive Tech Int | Tyre monitor which measures acceleration of tyre tread |
| EP1716009A1 (en) * | 2004-02-17 | 2006-11-02 | Transense Technologies PLC | Interrogation method for passive sensor monitoring system |
| CN1976820A (en) * | 2004-06-22 | 2007-06-06 | 传感技术有限公司 | Saw based tyre pressure sensor valve adaptor |
-
2013
- 2013-06-17 CN CN2013102414863A patent/CN103303076A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1365321A (en) * | 1999-07-28 | 2002-08-21 | 传感技术有限公司 | Pressure monitor system |
| GB2406170A (en) * | 2000-09-08 | 2005-03-23 | Automotive Tech Int | Tyre monitor which measures acceleration of tyre tread |
| EP1469427A2 (en) * | 2003-04-17 | 2004-10-20 | Continental Aktiengesellschaft | Apparatus for recording data related to a vehicle accident |
| EP1716009A1 (en) * | 2004-02-17 | 2006-11-02 | Transense Technologies PLC | Interrogation method for passive sensor monitoring system |
| CN1976820A (en) * | 2004-06-22 | 2007-06-06 | 传感技术有限公司 | Saw based tyre pressure sensor valve adaptor |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103903902A (en) * | 2014-03-14 | 2014-07-02 | 国家电网公司 | Device for measuring pressure of high-voltage circuit breaker arc extinguish chamber based on acoustic surface waves |
| WO2016041391A1 (en) * | 2014-09-19 | 2016-03-24 | 软控股份有限公司 | Patch-type passive surface acoustic wave sensing device and intelligent tire |
| CN107063527A (en) * | 2017-06-07 | 2017-08-18 | 上海洛丁森工业自动化设备有限公司 | A kind of passive and wireless multichannel pressure monitor system |
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Application publication date: 20130918 |