CN206367468U - A kind of vehicle driving condition monitoring system based on wireless radio-frequency - Google Patents
A kind of vehicle driving condition monitoring system based on wireless radio-frequency Download PDFInfo
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- CN206367468U CN206367468U CN201620996072.0U CN201620996072U CN206367468U CN 206367468 U CN206367468 U CN 206367468U CN 201620996072 U CN201620996072 U CN 201620996072U CN 206367468 U CN206367468 U CN 206367468U
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Abstract
The utility model discloses a kind of vehicle driving condition monitoring system based on wireless radio-frequency, comprising vehicle monitor terminal and connected multiple vehicle-mounted detection terminals, the vehicle-mounted detection terminal includes micro controller module, acceleration detection module, engine speed detection module, GPRS locating modules, GPRS locating modules, data preprocessing module, radiofrequency launcher, bluetooth module, interface module and power module；Acceleration transducer Low G are separately mounted on the steering spindle of steering wheel, gas pedal and brake pedal by the utility model, by the factor on three kinds of main influence driving conditions such as accelerator open degree, brake pedal position and wheel steering axle, realized by MM908E625, speed probe and other sensors and the intelligent multipoint of vehicle driving condition is monitored.
Description
Technical field
The utility model is related to a kind of vehicle driving condition monitoring system, more particularly to a kind of based on wireless radio-frequency
Vehicle driving condition monitoring system, belongs to state-detection control field.
Background technology
China is new《Road traffic law》In, to safeguard traffic safety, also expressly provide to drive speed, continuously
Driving time etc..Some external communications and transportation developed countries also formulate the unification of the motherland regulation of this respect.Fatigue driving is highway
" stealthy killer " on car steering particularly highway, according to ASSOCIATE STATISTICS, from a large amount of analyses of cases of traffic accident
The conclusion gone out thinks：Road traffic accident of the driver caused by fatigue driving accounts for the 20% of traffic accident sum.And it is tired
But 22%-30% is accounted in the reason for labor is driven in dead traffic accident, the reason for dead traffic accident in rank first, thus
Harmfulness of the fatigue driving to traffic safety can be thought.
In addition to the construction of legal rules, automobile vendor both domestic and external, which also designs various instrument and equipments, is used for fatigue driving monitoring, one
The infrared ray eyeball scanner planted for fatigue driving is succeeded in developing in the U.S., and this eyeball scanner profile is for example same small-sized
Video camera, use is also very convenient, as long as it is arranged on instrument board, allows alignment lenses driver, and scanner will continuously be sent
Infrared signal scans the white of the eye part in driver's eyeball, while judging degree of fatigue and sending " ramp to stop ", " rest
The caution signal such as once ".Industry giant's long-term R ＆ D such as Reynolds, Nissan overcomes a kind of monitoring system of fatigue driving, because of theoretical skill
Art applied defect still can not business promotion.The fatigue warning device that Japanese Toyota Company develops, as long as driver is manipulating steering
Have a little blunt during disk, or pulse has some anomalous variations, the device gives a warning with regard to that can measure these reactions, makes seat cushion
Vibration or self-actuating brake.
The fatigue tester that Tokyo Univ Japan develops, can be worn in the wrist of driver.One is equipped with inside the tester
Small-sized aeration cell electrode, can measure lactic acid, ammonia and the alcohol content in driver's sweat, then pass through compact radio transmitter
Transfer data to research center.Research center judges the degree of fatigue of driver, sends police to driver in time by computer for analysis
Accuse, it is to avoid the generation of traffic accident.The country also have can effectively the preventing driver traffic violation, containment major traffic accidents " vapour
The report that car Tachographs " pass through identification.
The above method because it is such or such the problem of, reach practicality all there is certain difficulty.With electronic technology
The ARCHEAN.net that develops rapidly all rights reserved, by using state-of-the-art measuring technology, with reference to embedded computer, network
The application of technology, intelligent control technology is monitored to fatigue drive of car state, reaches the road reduced caused by fatigue driving
The purpose of road traffic accident.
With the increase of continuous driving time, monitor is automatically into fatigue driving monitoring state, if driver has tired
Labor symptom, will necessarily reflect the deviations different with normal driving.Such as：Bring to a halt suddenly frequency increase, continuous large throttle when
Steering wheel turn to suddenly, the stationarity of gas pedal change etc..With reference to Techniques of Neural Network, fuzzy control and expert system
Unite, constitute the interaction platform of the monitoring to the driving condition of driver, increase and driver, indicated to driver's proposition driving,
Alarm etc..I made some trials on the auto-wave car of oneself, and bore fruit.
Utility model content
Technical problem to be solved in the utility model is that the deficiency for being directed to background technology is based on wirelessly penetrating there is provided a kind of
The vehicle driving condition monitoring system of frequency technology.
The utility model uses following technical scheme to solve above-mentioned technical problem：
A kind of vehicle driving condition monitoring system based on wireless radio-frequency, connects comprising vehicle monitor terminal and with it
The multiple vehicle-mounted detection terminals connect, the vehicle-mounted detection terminal turns comprising micro controller module, acceleration detection module, engine
Fast detection module, GPRS locating modules, data preprocessing module, radiofrequency launcher, bluetooth module, interface module and power supply mould
Block；The acceleration detection module, engine speed detection module and GPRS locating modules pass through data preprocessing module respectively
Connect micro controller module, the micro controller module is connected with radiofrequency launcher, the power module respectively with microcontroller
Module, acceleration detection module, engine speed detection module, GPRS locating modules, data preprocessing module, radio-frequency transmissions
Device, bluetooth module, interface module connection.
It is used as a kind of the further preferred of vehicle driving condition monitoring system based on wireless radio-frequency of the utility model
Scheme, the vehicle monitor terminal connected wireless receiving module, display module, report comprising processor module and respectively
Alert module, input module, memory module and clock module.
It is used as a kind of the further preferred of vehicle driving condition monitoring system based on wireless radio-frequency of the utility model
Scheme, the chip model of micro controller module is MM908E625.
It is used as a kind of the further preferred of vehicle driving condition monitoring system based on wireless radio-frequency of the utility model
Scheme, the engine speed detection module uses DJS-1 type speed probes.
It is used as a kind of the further preferred of vehicle driving condition monitoring system based on wireless radio-frequency of the utility model
Scheme, the acceleration detection module uses chip model for Low-G acceleration transducer.
The utility model uses above technical scheme compared with prior art, with following technique effect：
1st, acceleration transducer Low-G is separately mounted to the steering spindle of steering wheel, gas pedal and stopped by the utility model
On car pedal, by the main influence driving conditions of three kinds of accelerator open degree, brake pedal position and wheel steering axle etc. because
Number, is realized by MM908E625, speed probe and other sensors and the intelligent multipoint of vehicle driving condition is monitored；
2nd, the utility model is carried out data transmission using wireless radio-frequency, makes laser propagation effect faster more accurate；
3rd, vehicle monitor terminal of the present utility model is provided with alarm module, when the parameter of vehicle-mounted detection terminal collection exceedes just
During constant value, alarm and reminding driver is sent, is significantly reduced because of the traffic accident that fatigue driving is produced, and provided with memory mould
Block and display module, are easy to mass data storage and collection, and giant-screen LCD is shown, the inquiry of unusual fluctuation driving time segment data.
Brief description of the drawings
Fig. 1 is structure principle chart of the present utility model；
Fig. 2 is the structure principle chart of the vehicle-mounted detection terminal of the utility model；
Fig. 3 is the structure principle chart of the utility model vehicle monitor terminal.
Embodiment
The technical solution of the utility model is described in further detail below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of vehicle driving condition monitoring system based on wireless radio-frequency, includes vehicle monitor terminal
And connected multiple vehicle-mounted detection terminals, acceleration transducer Low-G is separately mounted to steering wheel by the utility model
Steering spindle, gas pedal and brake pedal on, by three kinds of accelerator open degree, brake pedal position and wheel steering axle etc.
The factor of main influence driving condition, is realized to vehicle driving condition by MM908E625, speed probe and other sensors
Intelligent multipoint monitoring.Significantly reduce because of the traffic accident that fatigue driving is produced, and provided with memory module and display mould
Block, is easy to mass data storage and collection, and giant-screen LCD is shown, the inquiry of unusual fluctuation driving time segment data.
As shown in Fig. 2 the vehicle-mounted detection terminal includes micro controller module, acceleration detection module, engine speed
Detection module, GPRS locating modules, data preprocessing module, radiofrequency launcher, bluetooth module, interface module and power module；
The acceleration detection module, engine speed detection module and GPRS locating modules are connected by data preprocessing module respectively
Micro controller module, the micro controller module is connected with radiofrequency launcher, the power module respectively with micro controller module,
Acceleration detection module, engine speed detection module, GPRS locating modules, data preprocessing module, radiofrequency launcher, bluetooth
Module, interface module connection.Acceleration transducer Low-G is separately mounted to the steering spindle of steering wheel, throttle by the utility model
On pedal and brake pedal, by being driven on three kinds of main influences such as accelerator open degree, brake pedal position and wheel steering axle
The factor of state, is realized by MM908E625, speed probe and other sensors and the intelligent multipoint of vehicle driving condition is supervised
Control.The engine speed detection module is used for the speed parameter of real-time collection vehicle, and the GPRS locating modules are used for real-time
The positional information of collection vehicle, is pre-processed through data preprocessing module, is transmitted to micro controller module and then by radio frequency
The good vehicle parameter of acquisition process is uploaded to vehicle monitor terminal by transmitter.
The chip model of micro controller module is MM908E625, and the engine speed detection module is turned using DJS-1 types
Fast sensor, the acceleration detection module uses chip model for Low-G acceleration transducer.
As shown in figure 3, the vehicle monitor terminal comprising processor module and respectively connected radio frequency receiver,
Display module, alarm module, input module, memory module and clock module.Vehicle monitor terminal of the present utility model is provided with
Alarm module, when the parameter of vehicle-mounted detection terminal collection exceedes normal value, sends alarm and reminding driver, significantly reduces
Because of the traffic accident that fatigue driving is produced, and provided with memory module and display module, it is easy to mass data storage and collection,
Giant-screen LCD shows that unusual fluctuation driving time segment data is inquired about.
Acceleration signal can more reflect that motor vehicle operators, in normal driving and fatigue driving, pass through the steering wheel to vehicle
Steering spindle, the difference of the manipulation effect of gas pedal and brake pedal these three critical components, normal driving brief acceleration letter
Number output voltage central point voltage ± 0.5V change, and the output voltage of fatigue driving brief acceleration signal central point electricity
Pressure ± 1V changes, and situation of the frequency more than normal driving of acceleration signal change.
With the increase of continuous driving time, monitor is automatically into fatigue driving monitoring state, if driver has tired
Labor symptom, will necessarily reflect the deviations different with normal driving.Such as：Bring to a halt suddenly frequency increase, continuous large throttle when
Steering wheel turn to suddenly, the stationarity of gas pedal change etc..With reference to Techniques of Neural Network, fuzzy control and expert system
Unite, constitute the interaction platform of the monitoring to the driving condition of driver, increase and driver, indicated to driver's proposition driving,
Alarm etc..
Acceleration transducer Low-G is respectively installed on the steering spindle of steering wheel, gas pedal and brake pedal, by
MCU/DSP embedded microprocessors MM908E625 is handled the signal of sensor, and then is transmitted to micro controller module,
Sensor is in addition to using acceleration transducer Low-G, in addition it is also necessary to speed and position sensor.
Acceleration signal can more reflect motor vehicle operators in normal driving and fatigue driving, to turn of the steering wheel of vehicle
To axle, the difference of the manipulation effect of gas pedal and brake pedal these three critical components, normal driving brief acceleration signal
Output voltage central point voltage ± 0.5V change, and the output voltage of fatigue driving brief acceleration signal central point voltage ±
1V changes, and situation of the frequency more than normal driving of acceleration signal change.
Acceleration transducer Low-G is separately mounted to the steering spindle, gas pedal and brake of steering wheel by the utility model
On pedal, by the factor on three kinds of main influence driving conditions such as accelerator open degree, brake pedal position and wheel steering axle,
Realized by MM908E625, speed probe and other sensors and the intelligent multipoint of vehicle driving condition is monitored；
The utility model is carried out data transmission using wireless radio-frequency, makes laser propagation effect faster more accurate；
Vehicle monitor terminal of the present utility model is provided with alarm module, when the parameter of vehicle-mounted detection terminal collection exceedes normally
During value, alarm and reminding driver is sent, is significantly reduced because of the traffic accident that fatigue driving is produced, and provided with memory module
And display module, it is easy to mass data storage and collection, giant-screen LCD is shown, the inquiry of unusual fluctuation driving time segment data.
Those skilled in the art of the present technique are it is understood that unless otherwise defined, all terms used herein（Including skill
Art term and scientific terminology）With the general understanding identical meaning with the those of ordinary skill in the utility model art
Justice.It should also be understood that those terms defined in such as general dictionary should be understood that with upper with prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with idealization or excessively formal implication come
Explain.
Above example is only explanation technological thought of the present utility model, it is impossible to limit protection model of the present utility model with this
Enclose, it is every according to the utility model proposes technological thought, any change done on the basis of technical scheme each falls within this reality
Within the scope of novel protected.Embodiment of the present utility model is explained in detail above in conjunction with accompanying drawing, but this practicality
It is new to be not limited to above-mentioned embodiment, in the knowledge that those of ordinary skill in the art possess, can also or else it take off
Made a variety of changes on the premise of from the utility model objective.
Claims (5)
1. a kind of vehicle driving condition monitoring system based on wireless radio-frequency, it is characterised in that：Include vehicle monitor terminal
And connected multiple vehicle-mounted detection terminals, it is described it is vehicle-mounted detection terminal include micro controller module, acceleration detection mould
Block, engine speed detection module, GPRS locating modules, data preprocessing module, radiofrequency launcher, bluetooth module, interface mould
Block and power module；The acceleration detection module, engine speed detection module and GPRS locating modules pass through data respectively
Pretreatment module connects micro controller module, and the micro controller module is connected with radiofrequency launcher, the power module difference
With micro controller module, acceleration detection module, engine speed detection module, GPRS locating modules, data preprocessing module,
Radiofrequency launcher, bluetooth module, interface module connection.
2. a kind of vehicle driving condition monitoring system based on wireless radio-frequency according to claim 1, its feature exists
In：The vehicle monitor terminal connected radio frequency receiver, display module, alarm mould comprising processor module and respectively
Block, input module, memory module and clock module.
3. a kind of vehicle driving condition monitoring system based on wireless radio-frequency according to claim 1, its feature exists
In：The chip model of micro controller module is MM908E625.
4. a kind of vehicle driving condition monitoring system based on wireless radio-frequency according to claim 1, its feature exists
In：The engine speed detection module uses DJS-1 type speed probes.
5. a kind of vehicle driving condition monitoring system based on wireless radio-frequency according to claim 1, its feature exists
In：The acceleration detection module uses chip model for Low-G acceleration transducer.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532718A (en) * | 2018-11-16 | 2019-03-29 | 东北林业大学 | A kind of driver's operation behavior information collecting method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109532718A (en) * | 2018-11-16 | 2019-03-29 | 东北林业大学 | A kind of driver's operation behavior information collecting method |
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