CN207106343U - A kind of commercial vehicle driver tired driving state recognition and prior-warning device - Google Patents
A kind of commercial vehicle driver tired driving state recognition and prior-warning device Download PDFInfo
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- CN207106343U CN207106343U CN201721077469.0U CN201721077469U CN207106343U CN 207106343 U CN207106343 U CN 207106343U CN 201721077469 U CN201721077469 U CN 201721077469U CN 207106343 U CN207106343 U CN 207106343U
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Abstract
The utility model discloses a kind of commercial vehicle driver tired driving state recognition and prior-warning device, the device includes data acquisition unit, control unit and speech prompting system, data acquisition unit obtains vehicle speed data by GPS car-mounted terminals, and the engine speed data of vehicle is obtained by CAN.Control unit judges whether the engine speed that this is obtained is abnormal according to vehicle speed data and engine speed data, and whether the duration exceedes preset time, and speech prompting system sends suggestion voice to driver under the control of the control unit.The technical scheme carries out the identification and early warning of driving condition based on car speed and engine speed, the operational factor of vehicle is easy to collection compared to the physiological parameter of driver and more stablized, above-mentioned identification and prior-warning device are simple in construction, cost is relatively low, the degree of accuracy of driver fatigue state identification is improved, can be effectively reduced due to traffic accident caused by the fatigue driving of driver.
Description
Technical field
The utility model is related to technical field of vehicle, more particularly to a kind of commercial vehicle driver tired driving state recognition with
Prior-warning device.
Background technology
As China's economy develops rapidly, vehicle guaranteeding organic quantity increases sharply, and the construction total kilometrage of highway ranks world forefront.Drive
Sail fatigue and refer to that what driver caused physiology, mental function and driver behavior efficiency after continuous driving declined shows.Go out
Continue to drive vehicle during existing driving fatigue phenomenon to be likely to result in and its serious road traffic accident, particularly in scorch
In the case of.Driver is because of sleep insufficiency, long-duration driving vehicle, medicine alcohol, and is driven in interests and be late for rest and lead
Driver fatigue is caused, slight fatigue reduces driver's respond, but not directly contributes accident, therefore driver often exists
Tired early stage adopts a casual attitude, until accident occurs.Every year because the traffic accident of driver tired driving accounts for significant proportion, it is seen that battalion
The possibility for transporting vehicle fatigue driving is bigger.
It can be divided into following a few classes currently for the achievement in research of driver fatigue detection and early warning：Based on driver detection side
Method, have by the detection of wearable sensing equipment such as skin electricity, electrocardio, breathing physiological parameter determination methods, have by detecting eye,
The image-recognizing methods such as mouth, headwork；Detection method based on motoring condition, have and sentenced by vehicle driving trace etc.
Disconnected driver fatigue state；Based on the detection method of driver's operation behavior, have and hold steering wheel by detecting driver, trample oil
The dynamics of door carries out fatigue state identification.Above detection method respectively has deficiency：Based on driver's detection method, on the one hand in dynamic
The driver of state is not easy to accurate acquisition parameter, and the physiological characteristic of another aspect driver differs greatly, and is unwilling to be gathered
The influence of device, cause the reliability of above-mentioned detection method not high.It is in addition, existing based on detection travel condition of vehicle or driving
The method of member's operation behavior generally requires additional equipment, and economy and practicality be not good enough.
Utility model content
Filled to solve the above problems, the utility model provides a kind of commercial vehicle driver tired driving state recognition with early warning
Put, at least partly solve above-mentioned technical problem.
Therefore, the utility model provides a kind of commercial vehicle driver tired driving state recognition and prior-warning device, including number
According to collecting unit, control unit and speech prompting system, the data acquisition unit, described control unit and the voice message
System is disposed side by side on the front portion of vehicle, and the data acquisition unit, described control unit and the speech prompting system are set
In the front of driver, described control unit is arranged between the data acquisition unit and the speech prompting system, described
Control unit is connected with the data acquisition unit and the speech prompting system respectively；
The data acquisition unit is used to obtain vehicle speed data by GPS car-mounted terminals, and is obtained by CAN
The engine speed data of pick-up；
Described control unit is used to judge this acquisition according to the vehicle speed data and the engine speed data
Engine speed it is whether abnormal, and the duration whether exceed preset time；
The speech prompting system is used to send suggestion voice to driver under the control of described control unit.
Optionally, described control unit is used to handle the vehicle speed data and the engine speed data
And storage, and the hair according to corresponding to the vehicle speed data and the engine speed data form normal car speed
The motivation range of speeds；
If described control unit is used for the engine speed of this acquisition in engine speed corresponding to Current vehicle speed
Outside scope, and the duration is more than preset time, judges that driver is in fatigue driving state；
If described control unit is used for the engine speed of this acquisition in engine speed corresponding to Current vehicle speed
Within the scope of, or this obtain engine speed outside engine speed range corresponding to Current vehicle speed, and
Duration is less than preset time, and current engine speed data is written into engine speed corresponding to Current vehicle speed
Range data storehouse.
Optionally, engine speed range corresponding to car speed 40km/h is [1500r/min, 2500r/min], described
Preset time is 1min.
Optionally, if the speech prompting system is used for engine speed exception of the judged result for this acquisition, and
Duration exceedes preset time, sends suggestion voice to driver, and this event information is sent by car-mounted terminal
To Surveillance center.
The utility model has following beneficial effects：
Commercial vehicle driver tired driving state recognition provided by the utility model includes data acquisition list with prior-warning device
Member, control unit and speech prompting system, the data acquisition unit obtain vehicle speed data by GPS car-mounted terminals, with
And the engine speed data of vehicle is obtained by CAN, described control unit is according to the vehicle speed data and described
Engine speed data judges whether the engine speed that this is obtained is abnormal, and whether the duration exceedes preset time,
The speech prompting system sends suggestion voice under the control of described control unit to driver.It is provided by the utility model
Technical scheme carries out the identification and early warning of driving condition based on car speed and engine speed, the operational factor of vehicle compared to
The physiological parameter of driver is easy to collection and more stablized, so as to improve the degree of accuracy of driver fatigue state identification.This
The commercial vehicle driver tired driving state recognition that utility model provides is simple in construction with prior-warning device, and cost is relatively low, Ke Yiyou
Effect reduces due to traffic accident caused by the fatigue driving of driver.
Brief description of the drawings
Fig. 1 is the commercial vehicle driver tired driving state recognition that the utility model embodiment one provides and prior-warning device
Structural representation；
Fig. 2 is the commercial vehicle driver tired driving state recognition that the utility model embodiment one provides and prior-warning device
Block schematic illustration.
Embodiment
To make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with the accompanying drawings to this reality
It is described in detail with the commercial vehicle driver tired driving state recognition of new offer with prior-warning device.
Embodiment one
Fig. 1 is the commercial vehicle driver tired driving state recognition that the utility model embodiment one provides and prior-warning device
Structural representation, Fig. 2 are that the commercial vehicle driver tired driving state recognition that the utility model embodiment one provides fills with early warning
The block schematic illustration put.As depicted in figs. 1 and 2, the commercial vehicle driver tired driving state recognition includes with prior-warning device
Data acquisition unit, control unit and speech prompting system, the data acquisition unit, described control unit and the voice carry
Show that system is disposed side by side on the front portion of vehicle, the data acquisition unit, described control unit and the speech prompting system are set
Put in the front of driver, described control unit is arranged between the data acquisition unit and the speech prompting system, institute
Control unit is stated to be connected with the data acquisition unit and the speech prompting system respectively.The commercial vehicle that the present embodiment provides is driven
The identification of the person's of sailing fatigue driving state is simple in construction with prior-warning device, and cost is relatively low, can effectively reduce the fatigue due to driver
Traffic accident caused by driving.
In the present embodiment, the data acquisition unit is used to obtain vehicle speed data, Yi Jitong by GPS car-mounted terminals
The engine speed data that CAN obtains vehicle is crossed, described control unit is used for according to the vehicle speed data and described
Engine speed data judges whether the engine speed that this is obtained is abnormal, and whether the duration exceedes preset time,
The speech prompting system is used to send suggestion voice to driver under the control of described control unit.The present embodiment provides
Technical scheme the identification and early warning of driving condition are carried out based on car speed and engine speed, the operational factor of vehicle is compared
It is easy to collection in the physiological parameter of driver and more stablizes, so as to improves the degree of accuracy of driver fatigue state identification.
In the present embodiment, described control unit is handled the vehicle speed data and the engine speed data
And storage, and the hair according to corresponding to the vehicle speed data and the engine speed data form normal car speed
The motivation range of speeds.If this obtain engine speed outside engine speed range corresponding to Current vehicle speed, and
And the duration is more than preset time, described control unit judges that driver is in fatigue driving state.If this hair obtained
Motivation rotating speed is corresponding to Current vehicle speed within engine speed range, or this engine speed obtained is current
Outside engine speed range corresponding to car speed, and the duration is less than preset time, and described control unit will be current
Engine speed data be written to engine speed range database corresponding to Current vehicle speed.
In the present embodiment, described control unit stores the vehicle speed data of collection and engine speed data,
Establish engine speed range [n corresponding to different vehicle speedk, nj], wherein, corresponding to car speed vi in engine speed
Limit nj=max (ni), engine speed lower limit n corresponding to car speed vii=min (ni).When the parameter of collection is significantly beyond model
Enclose and when the duration is longer, the present embodiment judges that driver is in fatigue driving state, otherwise records above-mentioned data filling
Enter the interval range database to engine speed corresponding to car speed.For example, the car of the driving habit foundation as driver a
Speed v and engine speed n engine speed range [ni, nj].When car speed is in 40km/h or so, engine turns
The scope of speed is [1500r/min, 2500r/min].Therefore, when engine speed is in more than 3000r/min and duration
More than setting time threshold 1 minute when, the present embodiment thinks driver fatigue or absent minded.What the present embodiment provided
Technical scheme carries out the identification and early warning of driving condition based on car speed and engine speed, the operational factor of vehicle compared to
The physiological parameter of driver is easy to collection and more stablized, so as to improve the degree of accuracy of driver fatigue state identification.
In the present embodiment, if the speech prompting system is used for engine speed exception of the judged result for this acquisition,
And the duration exceedes preset time, suggestion voice is sent to driver, and this event information is passed through into car-mounted terminal
It is sent to Surveillance center.The unit processed controls the speech prompting system to send information of voice prompt according to judged result, together
When the signal is sent to Surveillance center by car-mounted terminal, so as to realize comprehensive monitoring.
The state recognition of commercial vehicle driver tired driving and the prior-warning device that the present embodiment provides include data acquisition unit,
Control unit and speech prompting system, the data acquisition unit obtain vehicle speed data, Yi Jitong by GPS car-mounted terminals
The engine speed data that CAN obtains vehicle is crossed, described control unit is according to the vehicle speed data and described starts
Machine rotary speed data judges whether the engine speed that this is obtained is abnormal, and whether the duration exceedes preset time, described
Speech prompting system sends suggestion voice under the control of described control unit to driver.The technical side that the present embodiment provides
Case carries out the identification and early warning of driving condition based on car speed and engine speed, and the operational factor of vehicle is compared to driver
Physiological parameter be easy to collection and more stable, so as to improve the degree of accuracy of driver fatigue state identification.The present embodiment
The commercial vehicle driver tired driving state recognition of offer is simple in construction with prior-warning device, and cost is relatively low, can effectively reduce by
Traffic accident caused by fatigue driving in driver.
It is understood that embodiment of above is merely to illustrate that principle of the present utility model and used exemplary
Embodiment, but the utility model is not limited thereto.For those skilled in the art, this is not being departed from
In the case of the spirit and essence of utility model, various changes and modifications can be made therein, and these variations and modifications are also considered as this reality
With new protection domain.
Claims (4)
1. a kind of commercial vehicle driver tired driving state recognition and prior-warning device, it is characterised in that including data acquisition unit,
Control unit and speech prompting system, the data acquisition unit, described control unit and the speech prompting system are set side by side
Put and be arranged on driver's in the front portion of vehicle, the data acquisition unit, described control unit and the speech prompting system
Front, described control unit are arranged between the data acquisition unit and the speech prompting system, described control unit point
It is not connected with the data acquisition unit and the speech prompting system；
The data acquisition unit is used to obtain vehicle speed data by GPS car-mounted terminals, and obtains car by CAN
Engine speed data；
Described control unit is used to judge this hair obtained according to the vehicle speed data and the engine speed data
Whether motivation rotating speed is abnormal, and whether the duration exceedes preset time；
The speech prompting system is used to send suggestion voice to driver under the control of described control unit.
2. commercial vehicle driver tired driving state recognition according to claim 1 and prior-warning device, it is characterised in that institute
Control unit is stated to be used to the vehicle speed data and the engine speed data are handled and stored, and according to institute
State vehicle speed data and the engine speed data forms engine speed range corresponding to normal car speed；
If described control unit is used for the engine speed of this acquisition in engine speed range corresponding to Current vehicle speed
Outside, and the duration be more than preset time, judge that driver is in fatigue driving state；
If described control unit is used for the engine speed of this acquisition in engine speed range corresponding to Current vehicle speed
Within, or this obtain engine speed outside engine speed range corresponding to Current vehicle speed, and continue
Time is less than preset time, and current engine speed data is written into engine speed range corresponding to Current vehicle speed
Database.
3. commercial vehicle driver tired driving state recognition according to claim 2 and prior-warning device, it is characterised in that car
Engine speed range corresponding to speed 40km/h is [1500r/min, 2500r/min], and the preset time is 1min.
4. commercial vehicle driver tired driving state recognition according to claim 1 and prior-warning device, it is characterised in that institute
Stating speech prompting system, if to be used for judged result abnormal for the engine speed of this acquisition, and when the duration exceedes default
Between, suggestion voice is sent to driver, and this event information is sent to Surveillance center by car-mounted terminal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721077469.0U CN207106343U (en) | 2017-08-26 | 2017-08-26 | A kind of commercial vehicle driver tired driving state recognition and prior-warning device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721077469.0U CN207106343U (en) | 2017-08-26 | 2017-08-26 | A kind of commercial vehicle driver tired driving state recognition and prior-warning device |
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| CN207106343U true CN207106343U (en) | 2018-03-16 |
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| CN201721077469.0U Expired - Fee Related CN207106343U (en) | 2017-08-26 | 2017-08-26 | A kind of commercial vehicle driver tired driving state recognition and prior-warning device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113243919A (en) * | 2021-04-01 | 2021-08-13 | 上海工程技术大学 | Train driver fatigue state identification and monitoring system |
-
2017
- 2017-08-26 CN CN201721077469.0U patent/CN207106343U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113243919A (en) * | 2021-04-01 | 2021-08-13 | 上海工程技术大学 | Train driver fatigue state identification and monitoring system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20190826 |
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| CF01 | Termination of patent right due to non-payment of annual fee |