CN103434400A - Drunk driving and drowsiness prevention system and drunk driving and drowsiness prevention method - Google Patents
Drunk driving and drowsiness prevention system and drunk driving and drowsiness prevention method Download PDFInfo
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- CN103434400A CN103434400A CN2013103444071A CN201310344407A CN103434400A CN 103434400 A CN103434400 A CN 103434400A CN 2013103444071 A CN2013103444071 A CN 2013103444071A CN 201310344407 A CN201310344407 A CN 201310344407A CN 103434400 A CN103434400 A CN 103434400A
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Abstract
The invention relates to a drunk driving and drowsiness prevention system and a drunk driving and drowsiness prevention method. The system comprises a camera, a thermal imaging sensor, an engine controller and a controller. The camera is used for acquiring and providing face information of a driver; the thermal imaging sensor is used for detecting and providing face blood flow information of the driver; the engine controller is used for controlling work of an engine; the controller is electrically connected with the camera, the thermal imaging sensor and the engine controller and is used for judging whether the driver is in a drunk driving state or a drowsy state according to the face information provided by the camera and the face blood flow information provided by the thermal imaging sensor, sending a command of shutting down the engine to the engine controller to enable the engine to stop working if judging the driver is in the drunk driving state, and sending a vehicle speed limiting signal to the engine controller to enable the engine to limit a running speed of a vehicle if judging the driver is in the drowsy state. The drunk driving and drowsiness prevention system and the drunk driving and drowsiness prevention method ensure traveling safety and reliability.
Description
Technical field
The present invention relates to the vehicle safety technical field, relate in particular to anti-drunk driving and sleepiness prevention system and anti-drunk driving and Drowse preventing method.
Background technology
Along with the continuous progress of socioeconomic develop rapidly with science and technology, in daily life, automobile has become the trip vehicle of people's main flow.Although automobile has brought many convenience to people's live and work, incident traffic accident also occurs again and again, and it is careful that this has to cause that people drive.
Trace it to its cause, have plenty of and cause because of fatigue driving, chaufeur is when travelling on highway for a long time, all can produce serious sense of fatigue, particularly when night running, at this time, the critical days of traffic on the Ye Shi road, many traffic accidents are exactly usually because the carelessness of chaufeur is falling asleep unconsciously, and then meeting accident.For preventing chaufeur doze, more existing prompting chaufeurs attentively drive, prevent that devices that chaufeur is dozed off are used, such as: vehicle video-audio device, seat cushion massage machine etc.Yet, said apparatus deposit when mounted not convenient, cost is high and can not be reliably pre-anti-drowsy shortcoming.
The Another reason that causes traffic accident is to cause because of drunken driving.At present, in order to stop the phenomenon of driving when intoxicated, whether traffic department mobilizes a large amount of police strength to drink by alcohol detector test driver in traffic checking, and alcohol content is how many etc.Yet, adopt thisly by manpower, to check and punish the mode of driving when intoxicated, both expended a large amount of manpower and materials, also usually hard to guard againstly be difficult to stop to eliminate this phenomenon, can not prevent reliably to drive when intoxicated, can not find in time and remind the situation that in its body of chaufeur, alcohol content exceeds standard.
Summary of the invention
Therefore, the invention provides anti-drunk driving and sleepiness prevention system and method, the problem existed to overcome existing vehicle safety technology.
Particularly, a kind of anti-drunk driving and sleepiness prevention system that the embodiment of the present invention proposes, comprise camera, thermal imaging sensor, engine controller and controller.Camera is for gathering and provide the facial information of chaufeur; The thermal imaging sensor for detection of and chaufeur face blood flow information is provided; Engine controller is for the work of control engine; Controller and camera, thermal imaging sensor and engine controller are electrical connected, the face's blood flow information provided for the facial information that provides according to camera and thermal imaging sensor judge that chaufeur is whether in drunk driving state, doze state soon, if the judgement chaufeur is when the drunk driving state, send the order kill engine to engine controller so that engine stop work, if the judgement chaufeur, when being about to doze state, sends the restricted speed signal to engine controller so that the moving velocity of engine limitations vehicle.
In addition, a kind of anti-drunk driving and Drowse preventing method that the embodiment of the present invention proposes, comprise step: camera provides the facial information of chaufeur, and the thermal imaging sensor provides chaufeur face blood flow information; Face's blood flow information that the facial information that controller provides according to camera and thermal imaging sensor provide judge chaufeur whether in the drunk driving state, be about to doze state; And if the judgement chaufeur is when the drunk driving state, send the order kill engine to engine controller so that engine stop work, if the judgement chaufeur, when being about to doze state, sends the restricted speed signal to engine controller so that the moving velocity of engine limitations vehicle.
From above-described embodiment, face's blood flow information that the facial information that the present invention provides according to camera by controller and thermal imaging sensor provide judge chaufeur whether in the drunk driving state, be about to doze state, if the judgement chaufeur is when the drunk driving state, send the order kill engine to engine controller so that engine stop work, if the judgement chaufeur, when being about to doze state, sends the restricted speed signal to engine controller so that the moving velocity of engine limitations vehicle.Like this, make it possible in time, convenient, find chaufeur whether drunk driving or doze accurately, reliably, can control neatly in time the relevant work state of vehicle in the chaufeur drunk driving or while dozing off, thereby guarantee safety and the reliability of driving.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of specification sheets, and for above and other purpose of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and the cooperation accompanying drawing, be described in detail as follows.
The accompanying drawing explanation
Fig. 1 is the anti-drunk driving of embodiment of the present invention proposition and the main block architecture diagram of sleepiness prevention system;
Fig. 2 is the anti-drunk driving of another embodiment of the present invention proposition and the main block architecture diagram of sleepiness prevention system;
Fig. 3 is the anti-drunk driving of embodiment of the present invention proposition and the flow chart of steps of Drowse preventing method;
Fig. 4 is the anti-drunk driving of another embodiment of the present invention proposition and the flow chart of steps of Drowse preventing method.
The specific embodiment
Reach for further setting forth the present invention technological means and the effect that predetermined goal of the invention is taked, below in conjunction with accompanying drawing and preferred embodiment, the anti-drunk driving that foundation the present invention is proposed and sleepiness prevention system and anti-drunk driving and its specific embodiment of Drowse preventing method, structure, feature and effect, be described in detail as follows.
Relevant aforementioned and other technology contents of the present invention, Characteristic, can clearly present in following the cooperation in describing in detail with reference to graphic preferred embodiment.By the explanation of the specific embodiment, when can be to reach technological means and the effect that predetermined purpose takes to be able to more deeply and concrete understanding to the present invention, yet appended graphic only being to provide with reference to the use with explanation not be used for the present invention is limited.
Fig. 1 is the anti-drunk driving of embodiment of the present invention proposition and the main block architecture diagram of sleepiness prevention system.Refer to Fig. 1, anti-drunk driving and sleepiness prevention system comprise: camera 101, thermal imaging sensor 103, controller 105 and engine controller 107.
More specifically, camera 101, be electrical connected with controller 105, for gathering and provide the facial information of chaufeur.
Wherein, camera 101 can be infrared camera, its eyeball that can collect chaufeur rolls, one's eyes became bloodshot, face general red, pupil amplifies, bite one's lips, towering nose, respiratory rate, swallow saliva, blink or the various expression informations of the face such as face spasm.
Wherein, thermal imaging sensor 203 is contact or contactless high-resolution thermal imaging sensor, and it can detect the slight change situation of blood flow in skin.Usually at the drunk driving state, the blood flow of chaufeur can be about to doze state than comparatively fast, and the blood flow of chaufeur can be slow.
In embodiments of the present invention, face's blood flow information that the facial information that the present invention provides according to camera 101 by controller 105 and thermal imaging sensor 103 provide judge chaufeur whether in the drunk driving state, be about to doze state, if the judgement chaufeur is when the drunk driving state, send the order kill engine to engine controller 107 so that engine stop work, if the judgement chaufeur when being about to doze state, send the restricted speed signal to engine controller 107 so that the moving velocity of engine limitations vehicle.Like this, make it possible in time, convenient, find chaufeur whether drunk driving or doze accurately, reliably, can control neatly in time the relevant work state of vehicle in the chaufeur drunk driving or while dozing off, thereby guarantee safety and the reliability of driving.
Fig. 2 is the anti-drunk driving of another embodiment of the present invention proposition and the main block architecture diagram of sleepiness prevention system.Fig. 2 improves on the basis of Fig. 1.Refer to Fig. 2, anti-drunk driving and sleepiness prevention system comprise: camera 201, thermal imaging sensor 203, controller 205 and engine controller 207.
Camera 201, be electrical connected with controller 205, for gathering the facial information of chaufeur, and the facial information collected offered to controller 205.
Wherein, camera 201 can be infrared camera, its eyeball that can collect chaufeur rolls, one's eyes became bloodshot, face general red, pupil amplifies, bite one's lips, towering nose, respiratory rate, swallow saliva, blink or the various expression informations of the face such as face spasm.
Thermal imaging sensor 203, be electrical connected with controller 205, for detection of chaufeur face blood flow information, and the face's blood flow information detected offered to controller 205.
Wherein, thermal imaging sensor 203 is contact or contactless high-resolution thermal imaging sensor, and it can detect the slight change situation of blood flow in skin.Usually at the drunk driving state, the blood flow of chaufeur can be about to doze state than comparatively fast, and the blood flow of chaufeur can be slow.
Controller 205, with camera 201, thermal imaging sensor 203 and engine controller 207, be electrical connected, the face's blood flow information provided for the facial information that provides according to camera 201 and thermal imaging sensor 203 judge chaufeur whether in the drunk driving state, be about to doze state.
Wherein, the facial information that controller 205 can provide by camera 201, for example one's eyes became bloodshot, general red, the accelerated breathing of face, and one or more in the information such as the blood flow quickening that thermal imaging sensor 203 provides and judgement chaufeur are in the drunk driving state.The facial information that controller 205 can provide by camera 201, for example bow overfrequency, yawn number of times too much, breathe slack-offly, one or more in the information such as the blood flow quickening that thermal imaging sensor 203 provides and judgement chaufeur are in being about to doze state.Particularly, if one's eyes became bloodshot, general red, the unit time internal respiration number of times of face is higher than a threshold value for the judgement chaufeur, blood flowing speed, higher than a threshold value, can be judged as chaufeur in the drunk driving state.If chaufeur is bowed, number of times is greater than a threshold value (number of times of bowing is too much), the number of times of yawning is greater than a threshold value (number of times of yawning is too much), unit time internal respiration number of times is less than a threshold value (being that respiratory rate is excessively slow), blood flowing speed is less than a threshold value, can be judged as chaufeur in being about to doze state.
Controller 205, if also for the judgement chaufeur when the drunk driving state, judge that more whether driving engine is in starting state, if the judgement driving engine is in starting state, send the order kill engine to engine controller 207 so that engine stop work, thereby make car retardation until stop.If the judgement driving engine in starting state not, send forbid engine starting order to engine controller 207 to forbid engine starting.Controller 205, if also for the judgement chaufeur not when the drunk driving state, then judge that whether driving engine is in the No starting state, if the judgement driving engine is in the No starting state, the order that engine starting is forbidden in the transmission releasing is to engine controller 207, to permit engine starting.
Controller 205, if also for the judgement chaufeur when being about to doze state, send the restricted speed signal to engine controller 207 so that the moving velocity of engine limitations vehicle.Controller 205, also for judging that if chaufeur, not when being about to doze state, judges that whether driving engine is in the restricted speed state, if, send and lift restrictions vehicle speed signal to engine controller 207, the moving velocity of vehicle so that driving engine lifts restrictions.Usually, controller 205 judges whether chaufeur is to carry out under the condition of driving engine in starting state in being about to doze state.And judge that whether chaufeur is judged when car door opening or key insert in the drunk driving state, is all judged when stationary vehicle or vehicle launch.Particularly, controller 205 judges whether car door is opened or whether key inserts, if car door opening or key insert, carries out the drunk driving judgement.If car door is not opened and key does not insert system in dormant state.
Controller 205 obtains the state of driving engine by engine controller 207, such as in starting state, in starting state not, in the restricted speed state or in the No starting state etc.
Engine controller 207, for the work of the state of driving engine to controller 205 and control engine is provided, also for receiving the order killed engine that controller 205 sends so that engine stop work, receive the order of forbidding engine starting of controller 205 transmissions to forbid engine starting, the order of engine starting is forbidden in the releasing that receives controller 205 transmissions, to permit engine starting.Receive the restricted speed signal of controller 205 transmissions so that the moving velocity of engine limitations vehicle.Receive the moving velocity of the vehicle speed signal vehicle so that driving engine lifts restrictions that lifts restrictions of controller 205 transmissions.Controller 205 can send to above-mentioned signal and order engine controller 205 by CAN bus 217 or send on CAN bus 217 shared.
In addition, anti-drunk driving and sleepiness prevention system can also comprise signal processor 2051, detector 209, read-out 213 and multimedia controller 211.
Signal processor 2051, be electrical connected with controller 205, camera 201 and thermal imaging sensor 203, becomes digital signal for the facial information by collection and analog signal conversion corresponding to face's blood flow information, and digital signal is offered to controller 205.
Detector 209, for detection of near alcohol content chaufeur, and offer controller 205 by the alcohol content of detection.
If face's blood flow information judgement chaufeur that the facial information that controller 205 provides according to camera 201 and thermal imaging sensor 203 provide is in the drunk driving state, in order to guarantee the accuracy of judgement, controller 205, the alcohol content for providing according to detector 209 also, if the judgement alcohol content is greater than a threshold value, be judged as chaufeur in the drunk driving state.
Controller 205, if also for chaufeur in the drunk driving state or be about to doze state, send interactive information to read-out 213 and send alerting signal to multimedia controller 211.If the judgement chaufeur is not in the drunk driving state or be about to doze state, do not send interactive information to read-out 213 and do not send alerting signal to multimedia controller 211.
Read-out 213, for the interactive information received and display control switch 205 sends, can make the chaufeur excitement like this, prevents driver drowsy.Interactive information can be for allowing chaufeur keep clear-headed various information.
Multimedia controller 211, the alerting signal sent for receiving controller 205, drive for example sound equipment of multimedia equipment 215(according to alerting signal) send prompt tone to remind chaufeur not driving a car under the influence of alcohol or drowsiness.Prompt tone can for the mutual dialogue of chaufeur, allow chaufeur give a response so that chaufeur keeps clear-headed, stop chaufeur to doze off or stop and prevent drunk driving voluntarily.
In an embodiment of the present invention, face's blood flow information that the facial information that the present invention provides according to camera 201 by controller 205 and thermal imaging sensor 203 provide judge chaufeur whether in the drunk driving state, be about to doze state, if the judgement chaufeur is when the drunk driving state, send the order kill engine to engine controller 207 so that engine stop work, if the judgement chaufeur when being about to doze state, send the restricted speed signal to engine controller 207 so that the moving velocity of engine limitations vehicle.Also by near alcohol content detector 209 detection chaufeurs, the drunk driving state is further confirmed.If also by the judgement chaufeur when the drunk driving state, and driving engine is in starting state not, send forbid engine starting order to engine controller 207 to forbid engine starting.If the judgement chaufeur is in drunk driving state not, and driving engine is in the No starting state, send remove forbid engine starting order to engine controller 207, to permit engine starting.If the judgement chaufeur is not when being about to doze state, and driving engine sends and lifts restrictions vehicle speed signal to engine controller 207, the moving velocity of vehicle so that driving engine lifts restrictions in the restricted speed state.And at chaufeur in the drunk driving state or be about to doze state, send interactive information and shown to read-out, send alerting signal to multimedia controller 211 to drive for example sound equipment of multimedia equipment 215() send prompt tone to remind chaufeur not driving a car under the influence of alcohol or sleepy.Like this, make it possible in time, convenient, find chaufeur whether drunk driving or doze accurately, reliably, can control neatly in time the relevant work state of vehicle when chaufeur drunk driving or doze, and remind in time chaufeur, thereby guarantee safety and the reliability of driving.
Fig. 3 is the anti-drunk driving of embodiment of the present invention proposition and the flow chart of steps of Drowse preventing method.See also Fig. 1 and Fig. 3, anti-drunk driving and the Drowse preventing method of the embodiment of the present invention can comprise the following steps S301-S305:
Step S301: camera 101 provides the facial information of chaufeur, and thermal imaging sensor 103 provides chaufeur face blood flow information.
Step S303: face's blood flow information that the facial information that controller 105 provides according to camera 101 and thermal imaging sensor 103 provide judge chaufeur whether in the drunk driving state, be about to doze state.
Step S305: if chaufeur is when the drunk driving state, send the order kill engine to engine controller 107 so that engine stop work, if the judgement chaufeur when being about to doze state, send the restricted speed signal to engine controller 107 so that the moving velocity of engine limitations vehicle.
In embodiments of the present invention, face's blood flow information that the facial information that the present invention provides according to camera 101 by controller 105 and thermal imaging sensor 103 provide judge chaufeur whether in the drunk driving state, be about to doze state, if the judgement chaufeur is when the drunk driving state, send the order kill engine to engine controller 107 so that engine stop work, if the judgement chaufeur when being about to doze state, send the restricted speed signal to engine controller 107 so that the moving velocity of engine limitations vehicle.Like this, make it possible in time, convenient, find chaufeur whether drunk driving or doze accurately, reliably, can control neatly in time the relevant work state of vehicle in the chaufeur drunk driving or while dozing off, thereby guarantee safety and the reliability of driving.
Fig. 4 is the anti-drunk driving that provides of the embodiment of the present invention and the flow chart of steps of Drowse preventing method.Fig. 4 improves on the basis of Fig. 3.See also Fig. 2, reach Fig. 4, anti-drunk driving and the Drowse preventing method of the embodiment of the present invention can comprise the following steps S400-S410:
Step S400: controller 205 judges whether car door is opened or whether key inserts, if car door opening or key insert, carries out step S403, if car door is not opened and key does not insert, carries out step S401.
Step S401: system is in dormant state.
Step S403: camera 201 provides the facial information of chaufeur, and thermal imaging sensor 203 provides chaufeur face blood flow information.
Step S405: signal processor 2051 becomes digital signal by the facial information of collection and analog signal conversion corresponding to face's blood flow information, and digital signal is offered to controller 205.
Specifically also can comprise step after step S405:
Step S407: digital signal corresponding to face's blood flow information that the digital signal that the facial information that controller 205 provides according to camera 201 is corresponding and thermal imaging sensor 203 provide judges that whether chaufeur is in the drunk driving state, if, carry out step S409, if not, carry out step S417.
Specifically also can comprise step in step S407: if one's eyes became bloodshot, general red, the unit time internal respiration number of times of face is higher than first threshold for controller 205 judgement chaufeurs, blood flowing speed, higher than Second Threshold, is judged as chaufeur in the drunk driving state.
Step S409: detector 209 offers controller 205 by the alcohol content of detection, the alcohol content that controller 205 provides according to detector 209 further judges that whether chaufeur is in the drunk driving state, if carry out step S411, if not, carry out step S410.
In this step, controller 205 judges whether alcohol content is greater than a threshold value, if be judged as chaufeur in the drunk driving state.
Step S410: controller 205 judges that whether driving engine is in the No starting state, if, carry out step S412, if not, carry out step S417.
Step S412: the order that engine starting is forbidden in controller 205 transmission releasings is to engine controller 207, to permit engine starting.
Step S411: controller 205 judges that whether driving engine is in starting state, if, carry out step S413, if not, carry out step S415.
Step S413: controller 205 sends the order that kills engine to engine controller 207 so that engine stop work, thereby makes car retardation until stop.Controller 205 also can send interactive information and be shown to read-out 213, send alerting signal to multimedia controller 211 to drive for example sound equipment of multimedia equipment 215() send prompt tone to remind chaufeur not driving a car under the influence of alcohol.
Step S415: controller 205 send forbid engine starting order to engine controller 207 to forbid engine starting.Controller 205 also can send interactive information and be shown to read-out 213, send alerting signal to multimedia controller 211 to drive for example sound equipment of multimedia equipment 215() send prompt tone to remind chaufeur not driving a car under the influence of alcohol.
Step S417: digital signal corresponding to face's blood flow information that the digital signal that the facial information that controller 205 provides according to camera 201 is corresponding and thermal imaging sensor 203 provide judges that whether chaufeur is in being about to doze state, if, carry out step S419, if not, carry out step S421.
Specifically also can comprise step in step S407: if controller 205 judgement chaufeurs are bowed, number of times is greater than the 3rd threshold value, the number of times of yawning is greater than the 4th threshold value, unit time internal respiration number of times is less than the 5th threshold value, blood flowing speed is less than the 6th threshold value, is judged as chaufeur in being about to doze state.
Step S419: controller 205 send the restricted speed signals to engine controller 207 so that the moving velocity of engine limitations vehicle.Controller 205 also can send interactive information and be shown to read-out 213, send alerting signal to multimedia controller 211 to drive for example sound equipment of multimedia equipment 215() send prompt tone to remind chaufeur not doze off.
Step S421: controller 205 judges that whether driving engine is in the restricted speed state, if, carry out step S423, if not, finish.
Step S423: controller 205 sends and lifts restrictions vehicle speed signal to engine controller 207, the moving velocity of vehicle so that driving engine lifts restrictions.
In an embodiment of the present invention, face's blood flow information that the facial information that the present invention provides according to camera 201 by controller 205 and thermal imaging sensor 203 provide judge chaufeur whether in the drunk driving state, be about to doze state, if the judgement chaufeur is when the drunk driving state, send the order kill engine to engine controller 207 so that engine stop work, if the judgement chaufeur when being about to doze state, send the restricted speed signal to engine controller 207 so that the moving velocity of engine limitations vehicle.Also by near alcohol content detector 209 detection chaufeurs, the drunk driving state is further confirmed.If also by the judgement chaufeur when the drunk driving state, and driving engine is in starting state not, send forbid engine starting order to engine controller 207 to forbid engine starting.If the judgement chaufeur is in drunk driving state not, and driving engine is in the No starting state, send remove forbid engine starting order to engine controller 207, to permit engine starting.If the judgement chaufeur is not when being about to doze state, and driving engine sends and lifts restrictions vehicle speed signal to engine controller 207, the moving velocity of vehicle so that driving engine lifts restrictions in the restricted speed state.And at chaufeur in the drunk driving state or be about to doze state, send interactive information and shown to read-out, send alerting signal to multimedia controller 211 to drive for example sound equipment of multimedia equipment 215() send prompt tone to remind chaufeur not driving a car under the influence of alcohol or sleepy.Like this, make it possible in time, convenient, find chaufeur whether drunk driving or doze accurately, reliably, can control neatly in time the relevant work state of vehicle when chaufeur drunk driving or doze, and remind in time chaufeur, thereby guarantee safety and the reliability of driving.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, yet not in order to limit the present invention, any those skilled in the art, within not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be not break away from the technical solution of the present invention content, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (14)
1. an anti-drunk driving and sleepiness prevention system, is characterized in that, it comprises:
Camera, for gathering and provide the facial information of chaufeur;
The thermal imaging sensor, for detection of and chaufeur face blood flow information is provided;
Engine controller, for the work of control engine; And
Controller, with this camera, this thermal imaging sensor and this engine controller are electrical connected, the face's blood flow information provided for the facial information that provides according to this camera and this thermal imaging sensor judges that whether chaufeur is in the drunk driving state, be about to doze state, if the judgement chaufeur is when the drunk driving state, send the order kill engine to this engine controller so that this engine stop work, if the judgement chaufeur is when being about to doze state, send the restricted speed signal to this engine controller so that the moving velocity of this engine limitations vehicle.
2. anti-drunk driving according to claim 1 and sleepiness prevention system, it is characterized in that, this controller, if also for the judgement chaufeur, one's eyes became bloodshot, general red, the unit time internal respiration number of times of face is higher than first threshold, blood flowing speed is higher than Second Threshold, be judged as chaufeur in the drunk driving state, if the judgement chaufeur is bowed, number of times is greater than the 3rd threshold value, the number of times of yawning is greater than the 4th threshold value, unit time internal respiration number of times is less than the 5th threshold value, blood flowing speed is less than the 6th threshold value, is judged as chaufeur in being about to doze state.
3. anti-drunk driving according to claim 1 and sleepiness prevention system, it is characterized in that, this controller, if also for the judgement chaufeur when the drunk driving state, judge that more whether this driving engine is in starting state, if judge, this driving engine is in starting state, send close this driving engine order to this engine controller so that this engine stop work, if judge, this driving engine is in starting state not, send forbid engine starting order to this engine controller to forbid this engine starting, this controller, if also for the judgement chaufeur not when the drunk driving state, judge that more whether this driving engine is in the No starting state, if judge, this driving engine is in the No starting state, send to remove and forbid that the order of engine starting is to this engine controller, to permit this engine starting.
4. anti-drunk driving according to claim 1 and sleepiness prevention system, it is characterized in that, this controller, also for judging that if chaufeur is not when being about to doze state, judge that whether this driving engine is in the restricted speed state, if send and lift restrictions vehicle speed signal to this engine controller, the moving velocity of vehicle so that this driving engine lifts restrictions.
5. anti-drunk driving according to claim 1 and sleepiness prevention system, is characterized in that, it further comprises:
Signal processor, electrically be connected with this controller, this camera and this thermal imaging sensor, becomes digital signal for the facial information by collection and analog signal conversion corresponding to face's blood flow information, and this digital signal is offered to this controller.
6. anti-drunk driving according to claim 1 and sleepiness prevention system, it is characterized in that, it further comprises: detector, for detection of near alcohol content chaufeur, and the alcohol content of detection is offered to this controller, this controller, also for judging whether alcohol content is greater than a threshold value, if be judged as chaufeur in the drunk driving state.
7. anti-drunk driving according to claim 1 and sleepiness prevention system, it is characterized in that, it further comprises: read-out and multimedia controller, this controller, if also for judging chaufeur in the drunk driving state or being about to doze state, send interactive information and shown to this read-out, send alerting signal and do not driving a car under the influence of alcohol or drowsiness with the prompting chaufeur to drive multimedia equipment to send prompt tone to this multimedia controller.
8. an anti-drunk driving and Drowse preventing method is characterized in that: comprise step:
Camera provides the facial information of chaufeur, and the thermal imaging sensor provides chaufeur face blood flow information;
Face's blood flow information that the facial information that controller provides according to this camera and this thermal imaging sensor provide judge chaufeur whether in the drunk driving state, be about to doze state; And
If the judgement chaufeur is when the drunk driving state, send the order kill engine to this engine controller so that this engine stop work, if the judgement chaufeur when being about to doze state, send the restricted speed signal to this engine controller so that the moving velocity of this engine limitations vehicle.
9. anti-drunk driving according to claim 8 and Drowse preventing method, it is characterized in that: face's blood flow information that the facial information provided according to this camera at implementation controller and this thermal imaging sensor provide judge chaufeur whether in the drunk driving state, be about to, in the step of doze state, also comprise step:
If one's eyes became bloodshot for this controller judgement chaufeur, general red, the unit time internal respiration number of times of face is higher than first threshold, blood flowing speed is higher than Second Threshold, be judged as chaufeur in the drunk driving state, if the judgement chaufeur is bowed, number of times is greater than the 3rd threshold value, the number of times of yawning is greater than the 4th threshold value, unit time internal respiration number of times is less than the 5th threshold value, and blood flowing speed is less than the 6th threshold value, is judged as chaufeur in being about to doze state.
10. anti-drunk driving according to claim 8 and Drowse preventing method, if, in the step when carrying out the judgement chaufeur in the drunk driving state, also comprise step:
If judge, chaufeur is when the drunk driving state, then judges that whether this driving engine is in starting state;
If judge, this driving engine is in starting state, send close this driving engine order to this engine controller so that this engine stop work;
If judge, this driving engine is in starting state not, send forbid engine starting order to this engine controller to forbid this engine starting;
If this controller judges that chaufeur is not when the drunk driving state, then judges that whether this driving engine is in the No starting state; And
If judge, this driving engine is in the No starting state, and the order that engine starting is forbidden in the transmission releasing is to this engine controller, to permit this engine starting.
11. anti-drunk driving according to claim 8 and Drowse preventing method, it is characterized in that: face's blood flow information that the facial information provided according to this camera at implementation controller and this thermal imaging sensor provide judge chaufeur whether in the drunk driving state, be about to, in the step of doze state, also comprise step:
If this controller judgement chaufeur, not when being about to doze state, judges that whether this driving engine is in the restricted speed state; And
If this driving engine, in the restricted speed state, sends and lifts restrictions vehicle speed signal to this engine controller, the moving velocity of vehicle so that this driving engine lifts restrictions.
12. anti-drunk driving according to claim 8 and Drowse preventing method is characterized in that: after the step of carrying out, also comprise step:
The facial information of collection and analog signal conversion corresponding to face's blood flow information are become to digital signal, and this digital signal is offered to this controller.
13. anti-drunk driving according to claim 8 and Drowse preventing method, it is characterized in that: face's blood flow information that the facial information provided according to this camera at implementation controller and this thermal imaging sensor provide judges that chaufeur whether in the step in the drunk driving state, also comprises step:
Detector offers this controller by the alcohol content of detection, and this controller judges whether alcohol content is greater than a threshold value, if be judged as chaufeur in the drunk driving state.
14. anti-drunk driving according to claim 8 and Drowse preventing method is characterized in that: if reach in the step while being about to doze state, also comprise step when carrying out the judgement chaufeur in the drunk driving state:
If this controller judgement chaufeur is in the drunk driving state or be about to doze state, send interactive information and shown to this read-out, send alerting signal and do not driving a car under the influence of alcohol or drowsiness with the prompting chaufeur to drive multimedia equipment to send prompt tone to this multimedia controller.
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