CN2770011Y - Non-contact type vehicular driver fatigue running real-time monitor - Google Patents
Non-contact type vehicular driver fatigue running real-time monitor Download PDFInfo
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- CN2770011Y CN2770011Y CN 200520069521 CN200520069521U CN2770011Y CN 2770011 Y CN2770011 Y CN 2770011Y CN 200520069521 CN200520069521 CN 200520069521 CN 200520069521 U CN200520069521 U CN 200520069521U CN 2770011 Y CN2770011 Y CN 2770011Y
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Abstract
The utility model relates to a monitoring device of traffic safety to concretely solve the problem of real-time monitoring to drivers' driving fatigue. The utility model is characterized in that the utility model comprises a camera head, an interface circuit unit, a central processing unit, an acoustic-optic alarm unit, a vehicle speed detecting unit, an IC card interface unit, a power supply converter and an acoustic-optic alarming unit. Adopting a non-contact way, the utility model can be arranged at a driving bench to monitor the drivers; the device is easily accepted by the drivers; when the driver is in a fatigue state, the utility model can send out alarm to the driver as well as can sent out early warning prompt to vehicles around. The utility model which has advantages of small size and convenient installation and operation, is an important technical approach to decrease heavy road traffic accidents and is favorable to strengthen vehicular management and monitoring of transportation enterprises, other government offices, enterprises and institutions.
Description
Technical field
The utility model relates to the traffic safety supervising device, specifically driver's driving fatigue real time monitoring apparatus.
Background technology
Fatigue driving is one of main reason of moving traffic accident.Have data to show, taking place on the highway to have more than 50% in the traffic hazard is that cause fatigue or finding target dullness to form owing to driving over a long distance absent minded, even reason such as doze causes.The Chinese government pays much attention to the fatigue driving problem, stipulates in " People's Republic of China's law on road traffic safety " of implementation in 2004 on May 1, " driver the time of driving must not above 4 hours " continuously.Early stage driving fatigue test and appraisal mainly are from medical angle, are undertaken by medical device.Since the nineties, developed the different driving fatigue supervising device of various principles both at home and abroad.Mainly contain: bearing circle monitoring arrangement and the monitoring arrangement that needs the driver to wear.Before a kind of poor accuracy of method, a kind of method in back is brought incompatibility to the driver, and two kinds of methods all can't add up driver's the driving time.In April, 1999, Highway Administration of the United States Federal convened each university research to drive the relevant expert scholar of useless labour's face, confirmed PERCLOS (percentage of eyelid closure overthe pupil over time, referring to that the eyes closed time accounts for the percent of a certain special time) method measures the validity of fatigue state, the utility model has adopted this method to measure fatigue state, use image processing techniques to carry out authentication simultaneously, the statistics driving time, the prevention driving fatigue.
Summary of the invention
The purpose of this utility model is: but the supervising device of driver's driving fatigue of a kind of real time monitoring driver fatigue state, prevention driving fatigue is provided.
The technical solution that realizes the foregoing invention purpose is as follows:
1, contactless vehicle carried driving person's driving fatigue real time monitoring apparatus is characterized in that:
Comprise camera S1, interface circuit unit U2, central processing unit U1, acousto-optic warning unit, speed of a motor vehicle detecting unit, IC-card interface unit, supply convertor U8 and acousto-optic warning unit;
The input end of central processing unit U1 is connecting speed of a motor vehicle detecting unit, IC-card interface unit, is also connecting camera S1 by interface circuit unit U2, and its output terminal is connecting acousto-optic warning unit;
Described central processing unit U1 is the TMS320VC5407 chip, and its peripheral circuit comprises oscillator U5, watchdog circuit U7 and DLL (dynamic link library) socket J4;
Interface circuit unit U2 is the ISP1160 chip;
The speech chip U6 of acousto-optic warning unit is JH22C012, is connecting hummer SPK, also comprises illuminator LAMP1 and alarm interface socket J3.
2, according to above-mentioned 1 described contactless vehicle carried driving person's driving fatigue real time monitoring apparatus, it is characterized in that: the input end of described interface circuit unit U2 is connecting on the interface socket USB1 by resistance R 3, R4, and data bus is connected with the data bus of central processing unit U1; Control bus is connected 23,25 pin of central processing unit U1 through Sheffer stroke gate U3; The speed of a motor vehicle of speed of a motor vehicle detecting unit detects the vehicle speed sensor that interface socket J2 is connecting automobile, again 66 input pins of input central processing unit U1 after photoelectrical coupler U4 shaping; The IC-card seat J5 of IC-card interface unit is connecting 69,6 input pins of central processing unit U1;
The pin 6 of central processing unit U1 is also connecting 3 pins of watchdog circuit U7 simultaneously; The pin 58 of central processing unit U1 is reported to the police as caution, and its output is received through interface socket J3 on the hazard lamp switch of automobile through the break-make of triode Q2 pilot relay K1; Pin 95 is by triode Q3 driven for emitting lights device LAMP1; Pin 120,124 connects 1,2 input pins of speech chip U6 respectively; Pin 135 is connected on 4 input pins of speech chip U6.
Useful technique effect of the present utility model is embodied in several aspects:
1, adopt contactless mode, monitor driver's fatigue state, this device volume is little, can be installed on the interior bridge of pilothouse, does not influence the normal driving-activity of driver fully, is easily accepted by the driver.
2, can every driver of accurate recording total driving time of every day and drive the time continuously; Whether it can obtain fatigue datas such as driver's frequency of wink and lasting driving time in real time, doze off in order to judge the driver.
3, use IC-card to write down various data, be convenient to the management of administrative authority the driver.
In case fatigue state or overtime driving appear in 4 drivers, this device will provide sound and light alarm and voice suggestion, and vehicle sends early warning towards periphery.
5, this device is the important technical that reduces particularly serious road traffic accident, helps transport enterprise and other machine-operated enterprises and institutions to strengthen the management of vehicles monitoring, effectively contains the tired driver driving, ensures the country and people's the security of the lives and property.
Description of drawings
Fig. 1 is the utility model structured flowchart,
Fig. 2 is circuit theory diagrams of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is further described by embodiment.
Referring to Fig. 1, contactless vehicle carried driving person's driving fatigue real time monitoring apparatus comprises camera 1, interface circuit unit 2, central processing unit 3, speed of a motor vehicle detecting unit 6, IC-card interface unit 7, supply convertor U8 and acousto-optic warning unit 5.
The input end of central processing unit U1 is connecting speed of a motor vehicle detecting unit, IC-card interface unit, is also connecting camera S1 by interface circuit unit U2, and its output terminal is connecting acousto-optic warning unit; See Fig. 2.
Central processing unit U1 is the TMS320VC5407 chip, and its peripheral circuit comprises oscillator U5, watchdog circuit U7 and DLL (dynamic link library) socket J4;
Interface circuit unit U2 is the ISP1160 chip;
The speech chip U6 of acousto-optic warning unit is JH22C012, is connecting hummer SPK, also comprises illuminator LAMP1 and alarm interface socket J3.
Concrete circuit structure is as follows:
From the power supply of automobile, insert supply convertor U8 (DC/DC transducer) through interface socket J1, produce required three-way direct current power supply, light emitting diode D1 lights indication mechanism and gets.The reset signal of usb circuit U2 is produced by watchdog circuit U7, the input end of usb circuit U2 is connected on the USB1 socket by resistance R 3, R4, data bus links to each other with the data bus of central processing unit U1, control bus is connected in 23,25 pin of central processing unit U1 through Sheffer stroke gate U3, thereby the input and output IO space of occupying central processing unit U1, the TMS320VC5407 chip can read in the camera data by input and output IO space.
For guaranteeing central processing unit U1 reliably working, reset signal is produced by watchdog circuit U7, and clock signal is produced by external oscillator U5.The speed of a motor vehicle detects interface socket J2 and receives on the vehicle speed sensor of automobile, obtains vehicle speed pulse, and the input pin 66 of input central processing unit U1 after photoelectrical coupler U4 shaping is so that record the speed of a motor vehicle.The pin 69,6 of central processing unit U1 links to each other with IC-card seat J5, as I
2The clock line of C interface and data line, the IC-card data pass to central processing unit U1 by J5,69,6 pins.The pin 6 of central processing unit U1 is also connecting 3 pin of watchdog circuit U7 simultaneously, is used for feeding dog.The pin 58 of central processing unit U1 is reported to the police as caution, and its output is received through interface socket J3 on the hazard lamp switch of automobile through the break-make of triode Q2 pilot relay K1, and the indicator of control vehicle dodges together, and vehicle sends early warning towards periphery.The pin 95 of central processing unit U1 flashes alerting drivers by triode Q3 driven for emitting lights device LAMP1 when the needs audible and visual alarm.1,2 input pins that the pin 120,124 of central processing unit U1 meets speech chip U6 are respectively selected a section in four sections sound of prerecording, the pin 135 of central processing unit U1 is connected on 4 input pins of speech chip U6, whether the control speech chip sounds, when the pin 135 of central processing unit U1 was low level, speech chip U6 drove the hummer sounding.
The course of work of the present utility model is described below:
Camera S1 is connected to interface chip ISP1160 through interface socket USB1, and central processing unit TMS320VC5407 chip reads in camera data by input and output IO space, obtains vehicle speed pulse by TMS320VC5407 chip 66 pins.When the speed of a motor vehicle reached 20km/h, central processing unit U1 controlled by internal processes, did following processing:
1, the driver's face-image that collects, extract facial characteristics through a series of images Processing Algorithm, with the data comparison of preserving in the IC-card, confirm driver identity.If in IC-card, can not find corresponding data, then facial feature data is added among the IC, preserve this driver's face-image simultaneously.If find corresponding personnel in IC-card, drove time and continuous driving time the same day that then adds up him, is recorded on the IC-card.Exceed setting-up time for the driving time, central processing unit U1 selects to play sound by pin 120,124 by pin 95 flash of light alarms, provides sound alarm, reminds the driver to note.
2, gather driver's face-image in real time, estimate driver's degree of fatigue.If judge that the driver has tired sign, provide audible and visual alarm, remind the driver to note.If judge that the driver fatigue degree is serious, remind the driver notes except that providing audible and visual alarm, also by the break-make of pin 58 pilot relay K1, the indicator of control vehicle dodges central processing unit U1 together, and vehicle sends early warning towards periphery.
Claims (2)
1, contactless vehicle carried driving person's driving fatigue real time monitoring apparatus is characterized in that:
Comprise camera S1, interface circuit unit U2, central processing unit U1, acousto-optic warning unit, speed of a motor vehicle detecting unit, IC-card interface unit, supply convertor U8 and acousto-optic warning unit;
The input end of central processing unit U1 is connecting speed of a motor vehicle detecting unit, IC-card interface unit, is also connecting camera S1 by interface circuit unit U2, and its output terminal is connecting acousto-optic warning unit;
Described central processing unit U1 is the TMS320VC5407 chip, and its peripheral circuit comprises oscillator U5, watchdog circuit U7 and DLL (dynamic link library) socket J4;
Interface circuit unit U2 is the ISP1160 chip;
The speech chip U6 of acousto-optic warning unit is JH22C012, is connecting hummer SPK, also comprises illuminator LAMP1 and alarm interface socket J3.
2, contactless vehicle carried driving person's driving fatigue real time monitoring apparatus according to claim 1, it is characterized in that: the input end of described interface circuit unit U2 is connecting on the interface socket USB1 by resistance R 3, R4, and data bus is connected with the data bus of central processing unit U1; Control bus is connected 23,25 pin of central processing unit U1 through Sheffer stroke gate U3; The speed of a motor vehicle of speed of a motor vehicle detecting unit detects the vehicle speed sensor that interface socket J2 is connecting automobile, again 66 input pins of input central processing unit U1 after photoelectrical coupler U4 shaping; The IC-card seat J5 of IC-card interface unit is connecting 69,6 input pins of central processing unit U1;
The pin 6 of central processing unit U1 is also connecting 3 pins of watchdog circuit U7 simultaneously; The pin 58 of central processing unit U1 is reported to the police as caution, and its output is received through interface socket J3 on the hazard lamp switch of automobile through the break-make of triode Q2 pilot relay K1; Pin 95 is by triode Q3 driven for emitting lights device LAMP1; Pin 120,124 connects 1,2 input pins of speech chip U6 respectively; Pin 135 is connected on 4 input pins of speech chip U6.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200520069521 CN2770011Y (en) | 2005-03-03 | 2005-03-03 | Non-contact type vehicular driver fatigue running real-time monitor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 200520069521 CN2770011Y (en) | 2005-03-03 | 2005-03-03 | Non-contact type vehicular driver fatigue running real-time monitor |
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| CN2770011Y true CN2770011Y (en) | 2006-04-05 |
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| CN 200520069521 Expired - Fee Related CN2770011Y (en) | 2005-03-03 | 2005-03-03 | Non-contact type vehicular driver fatigue running real-time monitor |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462046C (en) * | 2007-04-16 | 2009-02-18 | 孙军 | Online early warning system and method of weariness working |
| CN105320863A (en) * | 2015-10-28 | 2016-02-10 | 宝鸡市公安局交通警察支队 | Driver identity verification system and method |
| CN108162755A (en) * | 2017-12-25 | 2018-06-15 | 芜湖皖江知识产权运营中心有限公司 | A kind of fatigue driving identification control method applied in intelligent vehicle |
| CN109377729A (en) * | 2018-11-15 | 2019-02-22 | 江苏金坛长荡湖新能源科技有限公司 | A kind of vehicle audio alarm method and system |
| CN109376682A (en) * | 2018-11-06 | 2019-02-22 | 东莞市凯木金电子科技有限公司 | A kind of intelligent video camera head and fatigue state recognition method |
| CN112319482A (en) * | 2019-08-01 | 2021-02-05 | 上海擎感智能科技有限公司 | Vehicle, fatigue driving early warning method, system, medium and vehicle-mounted terminal thereof |
| CN115346341A (en) * | 2022-08-18 | 2022-11-15 | 安徽虹湾信息技术有限公司 | Road traffic safety early warning processing system and method |
-
2005
- 2005-03-03 CN CN 200520069521 patent/CN2770011Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462046C (en) * | 2007-04-16 | 2009-02-18 | 孙军 | Online early warning system and method of weariness working |
| CN105320863A (en) * | 2015-10-28 | 2016-02-10 | 宝鸡市公安局交通警察支队 | Driver identity verification system and method |
| CN108162755A (en) * | 2017-12-25 | 2018-06-15 | 芜湖皖江知识产权运营中心有限公司 | A kind of fatigue driving identification control method applied in intelligent vehicle |
| CN109376682A (en) * | 2018-11-06 | 2019-02-22 | 东莞市凯木金电子科技有限公司 | A kind of intelligent video camera head and fatigue state recognition method |
| CN109377729A (en) * | 2018-11-15 | 2019-02-22 | 江苏金坛长荡湖新能源科技有限公司 | A kind of vehicle audio alarm method and system |
| CN112319482A (en) * | 2019-08-01 | 2021-02-05 | 上海擎感智能科技有限公司 | Vehicle, fatigue driving early warning method, system, medium and vehicle-mounted terminal thereof |
| CN115346341A (en) * | 2022-08-18 | 2022-11-15 | 安徽虹湾信息技术有限公司 | Road traffic safety early warning processing system and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060405 Termination date: 20130303 |