CN106080054A - A kind of passive tyre pressure monitoring system based on integrated pressure sensor - Google Patents
A kind of passive tyre pressure monitoring system based on integrated pressure sensor Download PDFInfo
- Publication number
- CN106080054A CN106080054A CN201610513887.3A CN201610513887A CN106080054A CN 106080054 A CN106080054 A CN 106080054A CN 201610513887 A CN201610513887 A CN 201610513887A CN 106080054 A CN106080054 A CN 106080054A
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- China
- Prior art keywords
- module
- pressure
- integrated
- sensor
- monitoring system
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0401—Signalling devices actuated by tyre pressure mounted on the wheel or tyre characterised by the type of alarm
- B60C23/0405—Mechanically generated visible signals, e.g. by using a gauge needle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0408—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver
- B60C23/0422—Signalling devices actuated by tyre pressure mounted on the wheel or tyre transmitting the signals by non-mechanical means from the wheel or tyre to a vehicle body mounted receiver characterised by the type of signal transmission means
- B60C23/0433—Radio signals
- B60C23/0447—Wheel or tyre mounted circuits
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C23/00—Devices for measuring, signalling, controlling, or distributing tyre pressure or temperature, specially adapted for mounting on vehicles; Arrangement of tyre inflating devices on vehicles, e.g. of pumps or of tanks; Tyre cooling arrangements
- B60C23/02—Signalling devices actuated by tyre pressure
- B60C23/04—Signalling devices actuated by tyre pressure mounted on the wheel or tyre
- B60C23/0486—Signalling devices actuated by tyre pressure mounted on the wheel or tyre comprising additional sensors in the wheel or tyre mounted monitoring device, e.g. movement sensors, microphones or earth magnetic field sensors
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
nullThe invention discloses a kind of passive tyre pressure monitoring system based on integrated pressure sensor，Comprise vehicle-mounted receiver module and the connected data acquisition module for detecting tire parameter，Described data acquisition module comprises Pressure/Temperature integrated sensor、Controller module、A/D changer、Amplifier module、Wireless communication module and power module，Described wireless communication module comprises MCU module and connected radiofrequency launcher，Described vehicle-mounted receiver module comprises data processing module and the connected radio frequency receiver of difference、LED display module and alarm module，The present invention uses the passive tyre pressure monitoring system of a kind of integrated pressure sensor，Integrate the passive intelligent type sensor of temperature acquisition and pressure acquisition function can detect the pressure parameter of tire in real time and be uploaded to vehicle-mounted receiver module，Effectively improve the stability of detecting system，Improve the degree of accuracy of detection further.
Description
Technical field
The present invention relates to a kind of tire pressure monitoring system, particularly relate to a kind of passive tyre pressure based on integrated pressure sensor prison
Ore-controlling Role, belongs to intelligent tire monitoring technical field.
Background technology
According to the investigation that SAE is nearest, the tire fault of annual 75% is due to tire seepage or inflation
Deficiency causes.Adding up according to the Ministry of Public Security, the vehicle accident occurred on China Expressway has 70% to cause owing to blowing out,
80% then it is up in this ratio of the U.S..How to prevent blows out becomes an important topic of safe driving.
Pressure transducer is the sensor that pressure is converted to signal of telecommunication output.Generally the electrical measurement in pressure measuring instruments
Formula instrument is referred to as pressure transducer.Pressure transducer is typically by elastic sensing element and displacement sensing element (or strain gauge) group
Become.The effect of elastic sensing element is to make to be acted on certain area by measuring pressure and be converted to displacement or strain, then by position
Move sensing element or strain gauge is converted to become with pressure the signal of telecommunication of certain relation.Sometimes the function of both elements is combined in one
Body.Pressure transducer is widely used in various industry automatic control environment, relates to water conservancy and hydropower, railway traffic, intelligent building, production certainly
Numerous industries such as control, Aero-Space, military project, petrochemical industry, oil well, electric power, boats and ships, lathe, pipeline.
At present, system for monitoring pressure in tyre mainly has two kinds of solutions, immediate system and indirect system.Direct-type tire
Pressure monitor system is to utilize to be arranged on each pressure transducer taking turns tyre cavity and directly measure the air pressure of tire, and to each tire
Air pressure carries out showing and monitoring, and when tire pressure is the lowest or has seepage, system can automatic alarm.Indirect type monitoring tire pressure
System is the rotating speed difference that the wheel speed sensors by automobile ABS system comes between comparative tire, to reach to monitor the mesh of tire pressure
, the major defect of the type system is: 1. can not demonstrate the most instantaneous atmospheric pressure value of each tires;The most same axletree or
The same side wheel or all tire air pressure can not be reported to the police when declining simultaneously;3. can not take into account simultaneously speed, accuracy of detection etc. because of
Element.
For improving the reliability of system, sensor preferably carries out passive detection, and research shows, utilizes tire air pressure sensor
The information that device is collected, can carry out malfunction monitoring to vehicle suspension system and correct navigation system.So, following sensor
It should be the passive intelligent type sensor integrating various function.
Summary of the invention
The technical problem to be solved is that the deficiency for background technology provides one based on integrated pressure biography
The passive tyre pressure monitoring system of sensor.
The present invention solves above-mentioned technical problem by the following technical solutions:
A kind of passive tyre pressure monitoring system based on integrated pressure sensor, comprises vehicle-mounted receiver module and connected use
In the data acquisition module of detection tire parameter, described data acquisition module comprises Pressure/Temperature integrated sensor, controller mould
Block, A/D changer, amplifier module, wireless communication module and power module, described wireless communication module comprise MCU module with
And connected radiofrequency launcher, described Pressure/Temperature integrated sensor passes sequentially through A/D changer, amplifier module even
Connect controller module, described controller module by being connected radiofrequency launcher with MCU module, described power module respectively with pressure
Power/temperature integrated sensor, controller module, A/D changer, amplifier module, wireless communication module connect, and are used for providing institute
Need electricity；Described vehicle-mounted receiver module comprises data processing module and difference connected radio frequency receiver, LED display module
And alarm module.
As the further preferred scheme of a kind of passive tyre pressure monitoring system based on integrated pressure sensor of the present invention, institute
State Pressure/Temperature integrated sensor and comprise piezoresistive pressure sensor and temperature sensor two parts.
As the further preferred scheme of a kind of passive tyre pressure monitoring system based on integrated pressure sensor of the present invention, institute
State radiofrequency launcher and use the MC33594 chip of Motorola.
As the further preferred scheme of a kind of passive tyre pressure monitoring system based on integrated pressure sensor of the present invention, institute
State radio frequency receiver and use MC33493 chip.
As the further preferred scheme of a kind of passive tyre pressure monitoring system based on integrated pressure sensor of the present invention, institute
State MCU module, controller module and data processing module and all use the MC9S08AW16 single-chip microcomputer of Motorola.
As the further preferred scheme of a kind of passive tyre pressure monitoring system based on integrated pressure sensor of the present invention, institute
Stating amplifier mould and comprise amplifier chip, the first resistance, the second resistance, the 3rd resistance soon, the outfan of A/D changer connects respectively
Connecing the first resistance and one end of the second resistance, the other end of the second resistance connects the positive pole of amplifier chip, amplifier chip
With the other end ground connection of the first resistance after negative pole and the 3rd resistant series, the voltage output end of amplifier chip connects controller
Input.
The present invention uses above technical scheme compared with prior art, has following technical effect that
1, the present invention uses the passive tyre pressure monitoring system of a kind of integrated pressure sensor, collection temperature acquisition and pressure acquisition function
Passive intelligent type sensor can detect the pressure parameter of tire in real time and be uploaded to vehicle-mounted receiver module, effectively carries
Rise the stability of detecting system, improve the degree of accuracy of detection further；
2, the vehicle-mounted receiver module of the present invention is provided with LED and shows and alarm module is easy to car owner and is understood the situation of tire at any time, when
Tire pressure too high or too low time, by LED display module and alarm module alert, be effectively prevented from blowing out and lead
The vehicle accident caused.
Accompanying drawing explanation
Fig. 1 is the structure principle chart of the present invention；
Fig. 2 is the structure principle chart of data acquisition module of the present invention；
Fig. 3 is the structure principle chart of the vehicle-mounted receiver module of the present invention；
Fig. 4 is the amplifier mould fast-circuit figure of data acquisition module of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described in further detail:
As it is shown in figure 1, a kind of passive tyre pressure monitoring system based on integrated pressure sensor, comprise vehicle-mounted receiver module and with
Its data acquisition module for detecting tire parameter connected.Integrate the passive intelligence of temperature acquisition and pressure acquisition function
Energy type sensor can detect the pressure parameter of tire in real time and be uploaded to vehicle-mounted receiver module, effectively improves detecting system
Stability, improves the degree of accuracy of detection further；The vehicle-mounted receiver module of the present invention is provided with LED and shows and alarm module is easy to
Car owner understands the situation of tire at any time, when tire pressure too high or too low time, sent by LED display module and alarm module
Warning message, the vehicle accident that being effectively prevented from blows out causes.
As in figure 2 it is shown, described data acquisition module comprises Pressure/Temperature integrated sensor, controller module, A/D conversion
Device, amplifier module, wireless communication module and power module, described wireless communication module comprises MCU module and connected
Radiofrequency launcher, described Pressure/Temperature integrated sensor pass sequentially through A/D changer, amplifier module connect controller mould
Block, described controller module by being connected radiofrequency launcher with MCU module, and described power module is integrated with Pressure/Temperature respectively
Sensor, controller module, A/D changer, amplifier module, wireless communication module connect, and are used for providing required electricity；
As it is shown on figure 3, described vehicle-mounted receiver module comprise data processing module and respectively connected radio frequency receiver,
LED display module and alarm module.
Operation principle: data acquisition module block assembly in tire, pressure and temperature sensor detection inside tires is current
Stress and temperature information, it is thus achieved that analogue signal be converted into digital signal through A/D changer, through amplifier module amplify
Transmit after process and carry out pretreatment to controller module, be then transmit to MCU module and sent by radiofrequency launcher.Vehicle-mounted
Receiver module device is in driver's cabin, and radio frequency receiver receives the stress from tire module and temperature information, works as tire pressure
Too high or too low time, by LED display module and alarm module alert.
At vehicle-mounted receiver module, radio frequency reception decoding chip uses the MC33594 chip of Motorola, and this chip is and penetrates
Frequently the radiofrequency receiving chip that transmitting chip MC33493 chip is supporting, its running voltage is 5 V.Controller uses Motorola
MC9S08AW16 single-chip microcomputer, the kernel of this chip is S08, as can using with the single-chip microcomputer MC6S08QG8 of tire module
Development environment, additionally this chip is that 5 V power, compatible with radiofrequency receiving chip and LCD display chip level.
Pressure transducer and temperature sensor are the critical components of tire pressure monitoring system, design and made a kind of newly
Type sensor, it comprises piezoresistive pressure sensor and temperature sensor two parts.
Wherein, piezoresistive pressure sensor, mainly by the piezoresistive effect of quasiconductor, is made in a Wheatstone bridge
On one silicon cup, deforming upon after silicon cup is under pressure, four arm resistances of Wheatstone bridge will change, and breaks
The electric equilibrium of electric bridge, thus have the output of a signal of telecommunication.
Temperature sensor uses single electric resistance structure, makes a p-type resistance on n-type silicon substrate.Prisoner injects resistance for p-type
Having a positive temperature coefficient, when the temperature varies, the resistance of resistance will occur to change accordingly.By to resistance with
Current source supply, it is possible to detect the change of temperature by measuring ohmically voltage.
As shown in Figure 4, described amplifier mould comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance, A/D soon
The outfan of changer connects the first resistance and one end of the second resistance respectively, and the other end of the second resistance connects amplifier chip
Positive pole, with the other end ground connection of the first resistance after the negative pole of amplifier chip and the 3rd resistant series, the electricity of amplifier chip
Pressure outfan connects the input of controller.
In sum, the present invention uses the passive tyre pressure monitoring system of a kind of integrated pressure sensor, collection temperature acquisition and
Pressure acquisition function passive intelligent type sensor can detect the pressure parameter of tire in real time and be uploaded to vehicle-mounted reception
Module, effectively improves the stability of detecting system, improves the degree of accuracy of detection further；The vehicle-mounted reception mould of the present invention
Block is provided with LED and shows and alarm module is easy to car owner and is understood the situation of tire at any time, when tire pressure too high or too low time, logical
Cross LED display module and alarm module alert, the vehicle accident that being effectively prevented from blows out causes.
It is understood that unless otherwise defined, all terms used herein (include skill to those skilled in the art of the present technique
Art term and scientific terminology) have with the those of ordinary skill in art of the present invention be commonly understood by identical meaning.Also
It should be understood that those terms defined in such as general dictionary should be understood that have with in the context of prior art
The consistent meaning of meaning, and unless defined as here, will not explain by idealization or the most formal implication.
Above example is only the technological thought that the present invention is described, it is impossible to limit protection scope of the present invention with this, every
The technological thought proposed according to the present invention, any change done on the basis of technical scheme, each fall within scope
Within.Above in conjunction with accompanying drawing, embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment party
Formula, in the ken that those of ordinary skill in the art are possessed, it is also possible to do on the premise of or else departing from present inventive concept
Go out various change.
Claims (6)
1. a passive tyre pressure monitoring system based on integrated pressure sensor, it is characterised in that: comprise vehicle-mounted receiver module with
And the connected data acquisition module for detecting tire parameter, it is integrated that described data acquisition module comprises Pressure/Temperature
Sensor, controller module, A/D changer, amplifier module, wireless communication module and power module, described radio communication mold
Block comprises MCU module and connected radiofrequency launcher, and described Pressure/Temperature integrated sensor passes sequentially through A/D conversion
Device, amplifier module connect controller module, and described controller module by being connected radiofrequency launcher, described electricity with MCU module
Source module respectively with Pressure/Temperature integrated sensor, controller module, A/D changer, amplifier module, wireless communication module
Connect, be used for providing required electricity；Described vehicle-mounted receiver module comprises data processing module and the most connected radio frequency connects
Receive device, LED display module and alarm module.
A kind of passive tyre pressure monitoring system based on integrated pressure sensor the most according to claim 1, it is characterised in that:
Described Pressure/Temperature integrated sensor comprises piezoresistive pressure sensor and temperature sensor two parts.
A kind of passive tyre pressure monitoring system based on integrated pressure sensor the most according to claim 1, it is characterised in that:
Described radiofrequency launcher uses the MC33594 chip of Motorola.
A kind of passive tyre pressure monitoring system based on integrated pressure sensor the most according to claim 1, it is characterised in that:
Described radio frequency receiver uses MC33493 chip.
A kind of passive tyre pressure monitoring system based on integrated pressure sensor the most according to claim 1, it is characterised in that:
Described MCU module, controller module and data processing module all use the MC9S08AW16 single-chip microcomputer of Motorola.
A kind of passive tyre pressure monitoring system based on integrated pressure sensor the most according to claim 1, it is characterised in that:
Described amplifier mould comprises amplifier chip, the first resistance, the second resistance, the 3rd resistance soon, and the outfan of A/D changer is respectively
Connecting the first resistance and one end of the second resistance, the other end of the second resistance connects the positive pole of amplifier chip, amplifier chip
Negative pole and the 3rd resistant series after connect controller with the other end ground connection of the first resistance, the voltage output end of amplifier chip
Input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610513887.3A CN106080054A (en) | 2016-06-30 | 2016-06-30 | A kind of passive tyre pressure monitoring system based on integrated pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610513887.3A CN106080054A (en) | 2016-06-30 | 2016-06-30 | A kind of passive tyre pressure monitoring system based on integrated pressure sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106080054A true CN106080054A (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610513887.3A Pending CN106080054A (en) | 2016-06-30 | 2016-06-30 | A kind of passive tyre pressure monitoring system based on integrated pressure sensor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115362070A (en) * | 2020-01-24 | 2022-11-18 | 瑞斯科技有限公司 | Tyre for vehicle wheels |
-
2016
- 2016-06-30 CN CN201610513887.3A patent/CN106080054A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115362070A (en) * | 2020-01-24 | 2022-11-18 | 瑞斯科技有限公司 | Tyre for vehicle wheels |
| CN115362070B (en) * | 2020-01-24 | 2024-05-28 | 瑞斯科技有限公司 | Tire with a tire body |
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| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20161109 |
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| WD01 | Invention patent application deemed withdrawn after publication |