CN103358992A - Fatigue driving warning system and fatigue driving warning method - Google Patents
Fatigue driving warning system and fatigue driving warning method Download PDFInfo
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- CN103358992A CN103358992A CN2012100911636A CN201210091163A CN103358992A CN 103358992 A CN103358992 A CN 103358992A CN 2012100911636 A CN2012100911636 A CN 2012100911636A CN 201210091163 A CN201210091163 A CN 201210091163A CN 103358992 A CN103358992 A CN 103358992A
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Abstract
The invention provides a fatigue driving warning system and a fatigue driving warning method. The fatigue driving warning system and the fatigue driving warning method aim to solve the problem that an existing fatigue driving warning system cannot effectively give an alarm for fatigue driving, can effectively give an alarm for fatigue driving. The fatigue driving warning system comprises grip strength sensors, an electronic control unit and warning equipment. The grip strength sensors are arranged on a steering wheel of a vehicle and are used for sensing the grip strength of a driver when the driver holds the steering wheel and transmitting the sensed grip strength to the electronic control unit; the electronic control unit is used for comparing the grip strength to a grip strength threshold value and driving the warning equipment to give the alarm when the grip strength is lower than the grip strength threshold value; the warning equipment is used for giving the alarm for fatigue driving under the control of the electronic control unit.
Description
Technical field
The present invention relates to vehicular field, relate in particular to a kind of drowsy driving warning system and method.
Background technology
At present, automobile has become the important component part in people's life, yet the traffic accident that causes owing to driver's fatigue driving is frequent occurrence but, this has caused the consequence of the traffic accident of the person and cataphoretic failure, the especially heavy duty truck of property, large-scale public passenger transport car etc. to understand even more serious.Therefore at vehicle drowsy driving warning system being installed is necessary.
In existing drowsy driving warning system, have plenty of the face of chaufeur is monitored, had plenty of time of run and the total kilometrage of vehicle body are monitored, have plenty of the dermal resistance of chaufeur is monitored, but these drowsy driving warning systems all can not be judged the fuselage state that chaufeur is current exactly, therefore are difficult to effectively carry out fatigue driving and report to the police.For example publication number be CN201773475U Patent Application Publication a kind of driver fatigue monitor system, the tired trend that chaufeur is judged by time of run and the travelled distance of monitor vehicle by this system, if but chaufeur before new driving task or near fatigue state, then this driver fatigue monitor system obviously can not play prevention and prevent the effect of fatigue driving.
Summary of the invention
The present invention is directed to existing drowsy driving warning system and can not effectively carry out the method that fatigue driving is reported to the police, provide a kind of and can effectively carry out the system and method that fatigue driving is reported to the police.
The invention provides a kind of drowsy driving warning system, this system comprises holding power transducer, electronic control unit and panalarm, wherein:
Described holding power transducer is arranged on the bearing circle of vehicle, and is used for that the sensing chaufeur grips the grip of described bearing circle and the described grip that will sense sends to described electronic control unit;
Described electronic control unit is used for described grip and grip threshold value are compared, and impels described panalarm to report to the police when described grip is lower than described grip threshold value; And
Described panalarm is used for carrying out fatigue driving and reports to the police under the control of described electronic control unit.
The present invention also provides a kind of alarming method for fatigue drive, and the method comprises
The sensing chaufeur grips the grip of bearing circle;
Described grip and grip threshold value are compared, and when described grip is lower than described grip threshold value, carry out fatigue driving and report to the police.
Owing to be to come the grip of sensing chaufeur by being arranged in holding power transducer on the bearing circle according to drowsy driving warning system of the present invention and method, thereby can judge whether chaufeur is in fatigue state according to the current fuselage state of chaufeur, and then can effectively carry out fatigue driving and report to the police.
Description of drawings
Fig. 1 is the block diagram according to the drowsy driving warning system of one embodiment of the present invention;
Fig. 2 is the diagram of circuit according to the alarming method for fatigue drive of one embodiment of the present invention.
The specific embodiment
Describe in detail according to drowsy driving warning system of the present invention and method below in conjunction with accompanying drawing.
As shown in Figure 1, drowsy driving warning system according to the present invention comprises holding power transducer 10, electronic control unit 20 and panalarm 30, wherein: described holding power transducer 10 is arranged on the bearing circle of vehicle, and is used for that the sensing chaufeur grips the grip of described bearing circle and the described grip that will sense sends to described electronic control unit 20; Described electronic control unit 20 is used for described grip and grip threshold value are compared, and impels described panalarm 30 to report to the police when described grip is lower than described grip threshold value; And described panalarm 30, be used under the control of described electronic control unit 20, carrying out fatigue driving and report to the police.
Preferably, described grip threshold value can arrange according to the situation of chaufeur, i.e. different chaufeur, and the grip threshold value also can be different, thereby can realize well that fatigue driving reports to the police.
Preferably, as shown in Figure 1, also comprise wheel speed sensor 40 according to drowsy driving warning system of the present invention, this wheel speed sensor 40 is used for the rotating speed of sensing wheel and the rotating speed that senses is sent to described electronic control unit 20,20 of described electronic control units also are used for judging according to the vehicle wheel rotational speed of 40 sensings of described wheel speed sensor whether vehicle starts, and are just impelling described panalarm 30 to report to the police in the situation that vehicle has started when described grip is lower than described grip threshold value.Namely in this preferred implementation, only just carry out fatigue driving when middle and report to the police in that vehicle is in running order according to drowsy driving warning system of the present invention.
Preferably, in drowsy driving warning system according to the present invention, described electronic control unit 20 also is used for just impelling after described grip continues to be lower than described grip threshold value a period of time described panalarm 30 to report to the police.And described a period of time can be determined on a case-by-case basis.Like this, just can avoid being in non-fatigue state but hand does not grip in the situation of bearing circle and reports to the police at chaufeur.
Preferably, in drowsy driving warning system according to the present invention, after described electronic control unit 20 impels described panalarm 30 warnings, if described electronic control unit 20 judges that the grip that described holding power transducer 10 newly senses still is lower than described grip threshold value, then described electronic control unit 20 also is used for impelling and stops to the engine oil of described vehicle and impel the brake system braking of vehicle.Wherein, electronic control unit 20 can and impel the brake system of vehicle to brake by bus control engine stop control lever.So just can when being in the fatigue state, force chaufeur car brakeing, thus the generation that effectively avoids traffic accident.
Preferably, can comprise a plurality of holding power transducers 10 according to drowsy driving warning system of the present invention, and these a plurality of holding power transducers 10 can be evenly distributed on the described bearing circle, so that the grip of sensing chaufeur effectively.For example, electronic control unit 20 can read the numerical value that once is evenly arranged in a plurality of holding power transducers 10 on the bearing circle every 10 milliseconds, and the maxim of the grip that will obtain from a plurality of holding power transducers 10 and set grip threshold value compare.
Describe according to alarming method for fatigue drive of the present invention below in conjunction with Fig. 2, the method comprises:
S21, sensing chaufeur grip the grip of bearing circle;
S22, described grip and grip threshold value are compared, and when described grip is lower than described grip threshold value, carry out fatigue driving and report to the police.
Preferably, before step S21, can also comprise according to alarming method for fatigue drive of the present invention: by the rotating speed of sensing wheel; Judge according to the vehicle wheel rotational speed that senses whether vehicle starts, and just when described grip is lower than described grip threshold value, carrying out the fatigue driving warning in the situation that vehicle has started.Like this, just can be only just carry out fatigue driving when middle and report to the police in that vehicle is in running order.
Preferably, the fatigue driving of carrying out when described grip is lower than described grip threshold value among the step S22 is reported to the police and can be comprised: just carry out fatigue driving and report to the police after described grip continues to be lower than described grip threshold value a period of time.
Preferably, after step S22, can also comprise according to alarming method for fatigue drive of the present invention: if the grip that newly senses still is lower than described grip threshold value, then impel to stop to the engine oil of described vehicle and impel the brake system braking of vehicle.So just can when being in the fatigue state, force chaufeur car brakeing, thus the generation that effectively avoids traffic accident.
Preferably, above-mentioned panalarm 30 can carry out fatigue driving to chaufeur by modes such as sound or light reports to the police, and can be buzzer phone, light-emitting diode etc. such as panalarm 30.
Below only invention has been described in conjunction with preferred implementation of the present invention, but it will be appreciated by those skilled in the art that in the situation that does not deviate from spirit and scope of the invention, can carry out various changes and modifications to the present invention.
Claims (9)
1. drowsy driving warning system, this system comprises holding power transducer, electronic control unit and panalarm, wherein:
Described holding power transducer is arranged on the bearing circle of vehicle, and is used for that the sensing chaufeur grips the grip of described bearing circle and the described grip that will sense sends to described electronic control unit;
Described electronic control unit is used for described grip and grip threshold value are compared, and impels described panalarm to report to the police when described grip is lower than described grip threshold value; And
Described panalarm is used for carrying out fatigue driving and reports to the police under the control of described electronic control unit.
2. system according to claim 1, wherein, described system also comprises wheel speed sensor, this wheel speed sensor is used for the rotating speed of sensing wheel and the rotating speed that senses is sent to described electronic control unit, described electronic control unit also is used for judging according to the vehicle wheel rotational speed of described wheel speed sensor institute sensing whether vehicle starts, and is just impelling described panalarm to report to the police in the situation that vehicle has started when described grip is lower than described grip threshold value.
3. system according to claim 2, wherein, described electronic control unit also is used for just impelling described panalarm warning described grip continues to be lower than described grip threshold value a period of time after.
4. according to claim 2 or 3 described systems, wherein, after described electronic control unit impels described panalarm warning, if described electronic control unit judges the grip that described holding power transducer newly senses and still be lower than described grip threshold value, then described electronic control unit also is used for impelling and stops to the engine oil of described vehicle and impel the brake system braking of vehicle.
5. system according to claim 1, wherein, described holding power transducer is a plurality of, and is evenly distributed on the described bearing circle.
6. alarming method for fatigue drive, the method comprises
The sensing chaufeur grips the grip of bearing circle; And
Described grip and grip threshold value are compared, and when described grip is lower than described grip threshold value, carry out fatigue driving and report to the police.
7. method according to claim 6, the method also comprises:
The rotating speed of sensing wheel;
Judge according to the vehicle wheel rotational speed that senses whether vehicle starts, and just when described grip is lower than described grip threshold value, carrying out the fatigue driving warning in the situation that vehicle has started.
8. method according to claim 7, the method also comprises:
Just carrying out fatigue driving after described grip continues to be lower than described grip threshold value a period of time reports to the police.
9. according to claim 7 or 8 described methods, the method also comprises:
Carrying out after fatigue driving reports to the police, if the grip that newly senses still is lower than described grip threshold value, then impel to stop to the engine oil of described vehicle and impel the brake system braking of vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100911636A CN103358992A (en) | 2012-03-30 | 2012-03-30 | Fatigue driving warning system and fatigue driving warning method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100911636A CN103358992A (en) | 2012-03-30 | 2012-03-30 | Fatigue driving warning system and fatigue driving warning method |
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| CN103358992A true CN103358992A (en) | 2013-10-23 |
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| CN2012100911636A Pending CN103358992A (en) | 2012-03-30 | 2012-03-30 | Fatigue driving warning system and fatigue driving warning method |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104386046A (en) * | 2014-09-18 | 2015-03-04 | 李军廷 | Braking method, braking device and automobile |
| CN105416232A (en) * | 2015-11-30 | 2016-03-23 | 长沙鹏跃五洋信息科技有限公司 | Monitoring system and method for preventing grabbing of automotive steering wheel |
| CN106274671A (en) * | 2016-08-04 | 2017-01-04 | 观致汽车有限公司 | The based reminding method of non-security driving condition and system |
| CN106652355A (en) * | 2016-12-22 | 2017-05-10 | 吴中区穹窿山倪源交通器材经营部 | Fatigue driving detection system |
| CN104590250B (en) * | 2013-10-31 | 2017-11-10 | 财团法人车辆研究测试中心 | The autonomous DAS (Driver Assistant System) of vehicle and method |
| CN110293969A (en) * | 2019-06-14 | 2019-10-01 | 重庆长安汽车股份有限公司 | A kind of adaptive cruise control loop, method and automobile |
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| CN110293969A (en) * | 2019-06-14 | 2019-10-01 | 重庆长安汽车股份有限公司 | A kind of adaptive cruise control loop, method and automobile |
| CN110293969B (en) * | 2019-06-14 | 2020-12-29 | 重庆长安汽车股份有限公司 | Self-adaptive cruise driving system and method and automobile |
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Application publication date: 20131023 |