CN207764952U - A kind of fatigue drive prompting device - Google Patents
A kind of fatigue drive prompting device Download PDFInfo
- Publication number
- CN207764952U CN207764952U CN201721545166.7U CN201721545166U CN207764952U CN 207764952 U CN207764952 U CN 207764952U CN 201721545166 U CN201721545166 U CN 201721545166U CN 207764952 U CN207764952 U CN 207764952U
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- Prior art keywords
- microcontroller
- driver
- steering wheel
- button
- drug
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Abstract
The utility model designs a kind of discharge type fatigue drive prompting device, including magnetic force angular transducer（1）, voice broadcast module（2）, remind button（3）, weak current touch device（4）, microcontroller（5）, drug spraying device（6）, master switch button（7）, start-oscillation circuit, current amplification circuit, rotary angle transmitter（1）, voice broadcast module（2）, remind button（3）, weak current touch device（4）Drug spraying device（6）, master switch button（7）And microcontroller（5）Connection, microcontroller（5）It is interior to be equipped with start-oscillation circuit, microcontroller（5）It is powered by start-oscillation circuit.Weak current can be sent out after sensing driver tired driving and reminds driver, and so that driver's Consciousness and language is reminded by erupting the drug of tranquilization and refreshment.
Description
Technical field
The utility model is related to a kind of fatigue drive prompting devices, belong to vehicle security drive technical field.
Background technology
Fatigue driving refers to driver after long-term continuous driving, the mental function of generation and the imbalance of physiological function,
Objectively there is the phenomenon that driving efficiency decline.Fatigue driving influences whether the attention of driver, feeling, consciousness, thinking, meaning
Will, judgement, decision and movement etc., driver's driving demand power are not concentrated, and judgement declines, and moment memory disappears, and goes out
Now action is delayed or too early, misoperation easily causes traffic accident.
Fatigue driving has become current important social concern.In current traffic accident, driver tired driving
It is the one of the major reasons for causing traffic accident, according to the statistics of traffic department, 60% or more traffic accident is driven from fatigue
It sails, fatigue driving ranks first in the traffic accident cause of death.The fatigue state of driver is affected by various factors, therefore
A kind of energy greatly nervous system generation stimulation of the limit to driver is developed, and then driver is made to reach awake in shorter time
The fatigue driving detecting system of state improves traffic safety, assures the safety for life and property of the people for reducing tired traffic accident
Have and its important realistic meaning.
Electric current is transmitted in a manner of electric field, and transmission speed is identical as the light velocity, and the safe current by human body is 10mA,
Human body can voluntarily break away from this electric current, and the electric current of this faint formula can not generate danger within the relatively reasonable time to human body
The excitement being exceedingly fast is generated to human nerve under the premise of evil, consciousness of personality is promoted to reach waking state.
Invention content
The utility model provides a kind of fatigue drive prompting device, and its object is to by voice broadcast module 2 and carrying
Button 3 of waking up carries out the prompting of faint formula electric current to the judgement of driver tired driving, while by drug spraying device 6 to driving
The drug of indoor injection tranquilization and refreshment is sailed to keep driver more awake.The equipment is simple and effective, and the weak current sent out is not
In the threshold value impacted to human body, allow people awake at the first time, the tranquilization and refreshment drug being simultaneously emitted by can make to a greater extent
Human body is awake, than on the market voice prompt and alarming device it is more useful.
The technical solution adopted in the utility model is：A kind of fatigue drive prompting device, including magnetic force angular transducer 1,
Voice broadcast module 2, remind button 3, weak current touch device 4, microcontroller 5, drug spraying device 6, master switch button 7,
Start-oscillation circuit, current amplification circuit, rotary angle transmitter 1, voice broadcast module 2, remind button 3, weak current touch device 4,
Drug spraying device 6, master switch button 7 are connect with microcontroller 5, start-oscillation circuit are equipped in microcontroller 5, microcontroller 5 is by starting of oscillation
Circuit is powered.
Further, the model MLX90316 of the magnetic force angular transducer 1 on steering wheel connection bearing, is used for other side
It is measured in real time to the corner of disk.
Further, voice broadcast module 2 on the steering wheel is used for using loud speaker and triode MPS6521 compositions
Tired phonetic warning is made to driver to remind.
Further, the outside for being equipped on the vertically hung scroll of position and button 3 being reminded to connect for INT0 is held in steering wheel left hand
Button is interrupted, when driver presses, 5 output current of microcontroller can be prevented.
Further, the weak current on steering wheel touches device 4 and uses resistance microcontroller metal module, the metal module
It is connect with current amplification circuit, metal derby is set on the entire ring of steering wheel, for sending out weak current to driver.
Further, the tranquilization and refreshment drug spraying device 6 being equipped at the position that the steering wheel right hand is held uses electromagnetism
Valve module, solenoid valve are set at the jet port of drug spraying device 6, and solenoid valve is connect with microcontroller 5, and microcontroller 5 is controllable
Solenoid valve opens the drug that tranquilization and refreshment is sprayed to driver's cabin.
Further, master switch button 7 switchs for microcontroller, the operating switch of whole device is controlled, when master switch button 7
After closing, the connection electric current of whole device will be cut off, device does not work.
Further, the model AT89C51 of the microcontroller 5.
A kind of fatigue drive prompting device, control method include the following steps：
Step 1. magnetic force angular transducer 1 detects that the angle of steering wheel rotation in driver one minute is less than 15 °, magnetic force
Angle signal is changed into electric signal and is transmitted to microcontroller 5 by angular transducer 1；
By electric signal transmission to voice broadcast module 2, electric signal is changed into step 2. microcontroller 5 by voice broadcast module 2
Whether acoustical signal, loud speaker will send out instruction " you fatigue driving "；
Remind button 3 that microcontroller 5 will be prevented to export electricity if step 3. driver reminds to press according to instruction in 5 seconds
Stream does not have weak current generation, if driver hear in 5 seconds voice prompt do not press remind button 3 if microcontroller 5 export
Weak current 10mA, generates human body awake, while microcontroller 5 will control solenoid valve and open, after 3 seconds drug spraying device 6 to
The drug that driver's cabin sprays tranquilization and refreshment is secondary to driver's progress awake；
Step 4. driver presses master switch button 7 after drug alarm set 6 sprays drug to driver's cabin, by cutting
The operating current of a circuit, device do not work.
The operation principle of the utility model is：Magnetic force angular transducer 1 detects steering wheel rotation in driver one minute
Angle be less than 15 °, angle signal is changed into electric signal and is transmitted to microcontroller 5 by magnetic force angular transducer 1, and microcontroller 5 is by telecommunications
Whether number being transferred to voice broadcast module 2 is changed into acoustical signal, voice " you fatigue driving " is sent out, if being pressed within driver 5s
Lower prompting button 3 prevents microcontroller 5 from exporting electric signal, weak current is not will produce, if not pressing prompting within driver 5s
Button 3, microcontroller 5 will export weak current 10mA, generate and regain consciousness to human body, while microcontroller 5 controls solenoid valve and opens, 3s
Drug spraying device 6 sprays tranquilization and refreshment drug afterwards, is carried out to driver secondary awake.
The utility model has the beneficial effects that：
1, the steering wheel angle for leading to driver in after one minute changes to generate whether voice reminder driver has fatigue to drive
Generation is sailed, giving fatigue pre-warning effect can be made constantly, it is more more useful than general voice reminder；
2, the electric current alerting signal sent out is timely, can more quickly and effectively allow driver awake, has than the prompting of general signal
Effect；
3, the drug that can also spray tranquilization and refreshment into driver's cabin while weak current generates comes further to driving
Member's progress is secondary awake, more preferable than general alarm set effect；
4, equipment is simple, and cost is relatively low, and validity is strong, convenient for universal.
Description of the drawings
Fig. 1 is the overall structure figure of the utility model.
Fig. 2 is the system circuit diagram of the utility model.
Respectively marked as 1- magnetic force angular transducers in figure；2- voice broadcast modules；3- reminds button；4- weak currents touch
Device；5- microcontrollers；6- drug spraying devices；7- master switch buttons.
Specific implementation mode
In the following with reference to the drawings and specific embodiments, the utility model is further described.
Embodiment：Such as Fig. 1-2, a kind of fatigue drive prompting device, be included in steering wheel equipped with magnetic force angular transducer 1,
Voice broadcast module 2 reminds button 3, weak current to touch device 4, microcontroller 5, drug spraying device 6, master switch button 7,
Start-oscillation circuit, current amplification circuit, rotary angle transmitter 1, voice broadcast module 2, remind button 3, weak current touch device 4,
Drug spraying device 6, master switch button 7 are connect with microcontroller 5, start-oscillation circuit are equipped in microcontroller 5, microcontroller 5 is by starting of oscillation
Circuit is powered.
Further, the model MLX90316 of magnetic force angular transducer 1, is examined in real time for the corner to steering wheel
It surveys.
Further, voice broadcast module 2 is using loud speaker and triode MPS6521 compositions, for being made to driver
Tired phonetic warning is reminded.
Further, the external interrupt button for reminding button 3 to connect for INT0, when driver presses, can prevent microcontroller 5
Output current.
Further, weak current touches device 4 and uses resistance microcontroller metal module, the metal module and Current amplifier
Circuit connects, and metal derby is set on the entire ring of steering wheel, for sending out weak current to driver.
Further, solenoid valve is equipped at the jet port of tranquilization and refreshment drug spraying device 6, solenoid valve connects with microcontroller 5
It connects, microcontroller 5 can control solenoid valve to open the drug for spraying tranquilization and refreshment to driver's cabin.
Further, master switch button 7 switchs for microcontroller, the operating current of whole device is controlled, when master switch button 7
After closing, the connection electric current of whole device will be cut off, device does not work.
Further, the model AT89C51 of microcontroller 5.
The utility model can be measured in real time steering wheel rotational angle by magnetic force angular transducer 1, and voice is passed through
Broadcasting module 2 sends out fatigue driving information to driver in advance, reminds driver by sending out weak current, passes through drug
Spraying device 6 makes driver's Consciousness, and apparatus structure design is simple, more effectively can generate significant remind to fatigue driving
And early warning effect.
Driver is in driving procedure, when the rotational angle of steering wheel is less than 15 ° in 1 minute, magnetic force angular transducer 1
It will will detect that angle information, angle signal, which is changed into electric signal, is transmitted to microcontroller 5, and microcontroller 5 is by electric signal transmission to language
Electric signal is changed into acoustical signal by sound broadcasting module 2, voice broadcast module 2, and loud speaker will send out instruction, and " whether fatigue is driven for you
Sail ", it reminds button 3 that will prevent 5 output current of microcontroller if driver reminds to press according to instruction in 5 seconds, does not have micro-
Weak current generates, if driver hear in 5 seconds voice prompt do not press remind button 3 if microcontroller 5 export weak current
10mA, generates driver awake, while microcontroller 5 controls solenoid valve and opens, and after 3 seconds, drug spraying device 6 is to driver's cabin
The drug of interior injection tranquilization and refreshment, gives that driver is secondary awake, and driver presses master switch button 7, and disconnecting device circuit should
Device does not work.The utility model makes first time fatigue drive prompting by voice broadcast module 2 to driver, to driver
Fatigue driving forewarning function is made, then device 4 is touched by weak current to make second of fatigue drive prompting to driver,
Driver is set to reach awake by drug spraying device 6, it can be more preferable by the awake effect of tired reminding effect and drug twice
Fatigue made to fatigue driving person remind and awake, and then reduce the traffic accident hair generated by fatigue driving to a greater extent
Raw rate.
As shown in Fig. 2, and XTAL1, XTAL2, the circuit that RET connects is start-oscillation circuit necessary to microcontroller work, single
Piece machine AT89C51 is powered by start-oscillation circuit.MLX90316 is a magnetic force angular transducer 1, for measurement direction disc spins
Angle（It is located at steering wheel connection bearing）.It is broadcasting module 2 to connect with P0.7, is made of loud speaker and triode MPS6521,
For sending out phonetic order to driver.U2 is a current amplification circuit, by triode OPA137UA, resistance R2, R3, R4 group
At resistance microcontroller electric current is smaller, and the electric current of releasing makes one only small feeling, is amplified to 10 milliamperes, and people is allowed to have significantly
Picotement.What is connected with P0.0 is solenoid valve module, and microcontroller 5 is made by controlling solenoid valve to make the spraying device 6 erupt drug
Human body is awake.It is external interrupt button 3 that INT0, which connects, when driver presses, AT89C51 system can be prevented to export telecommunications
Number, apparatus system disappears police, but does not influence device and work on.What is connected with RST is microcontroller switch, for the master switch of the device
Button 7, when can press master switch button 7 by the switch by the entire circuit of key control, driver, the connection electricity of disconnecting device
Stream, the device do not work.
Above in association with attached drawing, the specific embodiments of the present invention are described in detail, but the utility model is not
It is limited to the above embodiment, within the knowledge of a person skilled in the art, this practicality can also be not being departed from
Various changes can be made under the premise of novel thought design and objective.
Claims (8)
1. a kind of fatigue drive prompting device, it is characterised in that：Including magnetic force angular transducer（1）, voice broadcast module（2）、
Remind button（3）, weak current touch device（4）, microcontroller（5）, drug spraying device（6）, master switch button（7）, starting of oscillation
Circuit, current amplification circuit, magnetic force angular transducer（1）, voice broadcast module（2）, remind button（3）, weak current touches
Device（4）, drug spraying device（6）, master switch button（7）Respectively with microcontroller（5）Connection, microcontroller（5）By start-oscillation circuit
Power supply；Magnetic force angular transducer（1）Setting is on steering wheel connection bearing；Voice broadcast module（2）Setting is on the steering wheel；It is micro-
Weak current touches device（4）Setting is on the steering wheel；Tranquilization and refreshment drug is equipped at the position that the steering wheel right hand is held to erupt
Device（6）.
2. a kind of fatigue drive prompting device according to claim 1, it is characterised in that：On steering wheel connection bearing
Magnetic force angular transducer（1）Model MLX90316, be measured in real time for the rotational angle to steering wheel.
3. a kind of fatigue drive prompting device according to claim 1, it is characterised in that：Voice broadcast on the steering wheel
Module（2）Using loud speaker and triode MPS6521 compositions, reminded for making tired phonetic warning to driver.
4. a kind of fatigue drive prompting device according to claim 1, it is characterised in that：Position is held in steering wheel left hand
Vertically hung scroll on prompting button is installed（3）For the external interrupt button that INT0 connects microcontroller can be prevented when driver presses
（5）Output current.
5. a kind of fatigue drive prompting device according to claim 1, it is characterised in that：Weak current on steering wheel touches
And device（4）Using resistance microcontroller metal module, which connect with current amplification circuit, and metal derby is set to direction
On the entire ring of disk, for sending out weak current to driver.
6. a kind of fatigue drive prompting device according to claim 1, it is characterised in that：In the position that the steering wheel right hand is held
The tranquilization and refreshment drug spraying device that the place of setting is equipped with（6）It is made of solenoid valve module, solenoid valve is set to drug spraying device（6）
Jet port at, solenoid valve and microcontroller（5）Connection, microcontroller（5）Controllable solenoid valve, which is opened to calm the nerves to driver's cabin injection, wakes up
The drug of brain.
7. a kind of fatigue drive prompting device according to claim 1, it is characterised in that：Master switch button（7）For monolithic
Machine switchs, and the operating switch of whole device is controlled, when master switch button（7）After closing, the connection electric current of whole device will be cut off,
Device does not work.
8. a kind of fatigue drive prompting device according to claim 1, it is characterised in that：The microcontroller（5）Type
Number be AT89C51.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721545166.7U CN207764952U (en) | 2017-11-18 | 2017-11-18 | A kind of fatigue drive prompting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721545166.7U CN207764952U (en) | 2017-11-18 | 2017-11-18 | A kind of fatigue drive prompting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207764952U true CN207764952U (en) | 2018-08-24 |
Family
ID=63188445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721545166.7U Expired - Fee Related CN207764952U (en) | 2017-11-18 | 2017-11-18 | A kind of fatigue drive prompting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207764952U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263591A (en) * | 2018-09-30 | 2019-01-25 | 浙江吉利汽车研究院有限公司 | A kind of occupant restraint system and its method of vehicle |
| CN111105595A (en) * | 2018-10-29 | 2020-05-05 | 广州汽车集团股份有限公司 | Fatigue driving awakening system |
| CN113628417A (en) * | 2021-08-10 | 2021-11-09 | 西安斯维智能科技有限公司 | Driver driving behavior state monitoring and early warning device based on MEMS |
| CN115578835A (en) * | 2022-09-30 | 2023-01-06 | 武汉轻工大学 | Driver fatigue detection method and device based on steering wheel |
-
2017
- 2017-11-18 CN CN201721545166.7U patent/CN207764952U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109263591A (en) * | 2018-09-30 | 2019-01-25 | 浙江吉利汽车研究院有限公司 | A kind of occupant restraint system and its method of vehicle |
| CN111105595A (en) * | 2018-10-29 | 2020-05-05 | 广州汽车集团股份有限公司 | Fatigue driving awakening system |
| CN113628417A (en) * | 2021-08-10 | 2021-11-09 | 西安斯维智能科技有限公司 | Driver driving behavior state monitoring and early warning device based on MEMS |
| CN115578835A (en) * | 2022-09-30 | 2023-01-06 | 武汉轻工大学 | Driver fatigue detection method and device based on steering wheel |
| CN115578835B (en) * | 2022-09-30 | 2023-11-24 | 武汉轻工大学 | Driver fatigue detection method and device based on steering wheel |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180824 Termination date: 20181118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |