CN203733262U - Real-time detecting and early-warning equipment of driver attention - Google Patents
Real-time detecting and early-warning equipment of driver attention Download PDFInfo
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- CN203733262U CN203733262U CN201320783536.6U CN201320783536U CN203733262U CN 203733262 U CN203733262 U CN 203733262U CN 201320783536 U CN201320783536 U CN 201320783536U CN 203733262 U CN203733262 U CN 203733262U
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Abstract
The utility model relates to real-time detecting and early-warning equipment of driver attention. The real-time detecting and early-warning equipment includes an ARM processor, an image collection device, a GPS signal receiver and a sound and light alarm device. The image collection device and the ARM processor are in interactive connection, the GPS receiver is connected with the COM port of the ARM processor through a signal line, and the sound and light alarm device is connected with the output end of the ARM processor through a signal line. The image collection device includes a camera, an LED fill light and a photosensitive sensor. The sound and light alarm device includes a horn and a red LED lamp. The output end of the ARM processor is connected with a motor vehicle double jump lamp through a relay circuit. The LCD interface of the ARM processor is connected with a liquid crystal display. The real-time detecting and early-warning equipment provided by the utility model can be used for comprehensively detecting and alarming the driver attention state in a driver skill test, thereby improving the accuracy of the detection result and ensuring more effective and practical fatigue assessment and management.
Description
Technical field
The utility model relates to Communication and Transportation Engineering technical field, is specifically related to a kind of driver attention and detects in real time and source of early warning.
Background technology
Show according to traffic department statistical data, the traffic hazard of significant proportion disperses to cause because of driver attention.Therefore, national competent authorities have formulated strict check requirements and the wire examination method of specification, in driving efficiency examination, driver's driving demand power are examined.In wire examination method, require driver will observe at any time in the process of moving vehicle front and road traffic condition around, to guarantee to find in time various transport information on road and possible accident potential, implement correct driver behavior.But in existing driver's driving efficiency automatic examination system, owing to there is no rational driver attention automatic checkout equipment, this test item is always by manually passing judgment on.In passing judgment on because artificial, cannot accurately grasp the real-time status of driver attention, so the driver attention result of appraisal exist very large error.In addition, in actual driving procedure, existing vehicle-mounted monitoring equipment is mainly based on video intelligent treatment technology, by the analysis of eye state being carried out to the detection of driver fatigue state.Because the difference of individual difference, there is very large error in existing checkout equipment testing result, cannot eliminate the traffic safety hidden danger causing because of absent minded.
Utility model content
The purpose of this utility model is to provide a kind of driver attention to detect in real time and source of early warning, this equipment can carry out comprehensive detection and warning to driver attention state in driver's examination of technical ability, improve the accuracy rate of testing result, made fatigue driving examination and management more effective, practical.
For achieving the above object, the utility model has adopted following technical scheme: a kind of driver attention detects and source of early warning in real time, comprises arm processor, image collecting device, gps signal receiver and acoustic-optic alarm.Described image collecting device is connected by signal wire and arm processor are interactive, for Real-time Collection driver's face-image and image information is delivered to arm processor in real time carries out analyzing and processing.Described gps signal receiver is connected with the com port of arm processor by signal wire, obtains positional information, temporal information and the speed information of automobile for receiving satellite signal.Described acoustic-optic alarm is connected with the output terminal of arm processor by signal wire, for remind driver to keep notice to concentrate at driving procedure acousto-optic.In arm processor chip, be provided with wire communication module and wireless communication module, can be by data results by wired or wireless host computer or the communication device of passing in real time.Specifically, described arm processor is chip S3C6410.S3C6410 is 16/32 risc microcontroller, has cost benefit, low in energy consumption, the feature that performance is high.S3C6410 has adopted 64/32 internal bus framework, and this 64/32 inside bus structure is made up of AXI, AHB and APB bus.It also comprises many powerful hardware accelerators, as Video processing, and audio frequency processing, X-Y scheme, shows operation and convergent-divergent.An integrated multi-format codec (MFC) is supported the decoding of MPEG4/H.263/H.264 coding, decoding and VC1.The TV output of this H/W encoder/decoder support real-time video meeting and NTSC, PAL pattern.By adopting S3C6410 processor, can greatly improve the treatment effeciency detecting with source of early warning.Described gps signal receiver chip model is UM220.UM220 module is the Big Dipper/GPS dual system module of releasing for application such as vehicle monitoring/navigation, handheld device, the time service of telecommunications/electric power, balloon soundings.What this module adopted is that low-power consumption GNSS SoC chip---HumbirdTM, has the features such as size is little, integrated level is high, low in energy consumption.
Described image collecting device comprises camera, LED light compensating lamp and light sensor.Described camera is connected with the USB interface of arm processor by data line, for Real-time Collection driver's face-image and image information is delivered to arm processor in real time carries out analyzing and processing.Described light sensor is connected with the input end of arm processor by signal wire, for gather intensity of illumination in car and by information Real-time Feedback to arm processor.Described LED light compensating lamp is connected with the output terminal of arm processor by signal wire, for carry out light filling in the time that intensity of illumination in car is not enough, thereby ensures to gather the sharpness of image and the accuracy of testing result.Specifically, described light sensor is all connected with the general Purpose IO Interface of arm processor with LED light compensating lamp.Preferably, described LED light compensating lamp is infrared LED light compensating lamp.
Described acoustic-optic alarm comprises loudspeaker and red LED lamp.Described loudspeaker are connected with the analog signal output mouth of arm processor by signal wire, for acoustically reminding driver to keep notice to concentrate.Described red LED lamp is connected with the output terminal of arm processor by signal wire, for visually reminding driver to keep notice to concentrate.Specifically, described red LED lamp is connected with the general Purpose IO Interface of arm processor by signal wire.
The output terminal of described arm processor is connected with motor vehicle double jump lamp by relay circuit.By arm processor is connected with motor vehicle double jump lamp, can, in detecting that driver attention is special unconcentrated, send alarm to the external world.Described relay circuit is for the work of driving machine motor-car double jump lamp.
The LCD interface of described arm processor is connected with liquid crystal display, and described liquid crystal display is for the course of work of real-time display device.
Advantage of the present utility model:
(1) the utility model adopts arm processor to carry out data processing and analysis, and processing speed is fast, and reliability is high.By image capture module and gps signal receiver, driver's face-image and vehicle traveling information are carried out to comprehensive analysis and judgement, greatly improve the accuracy rate of judgement.
(2) the utility model, in the time detecting that driver attention is not concentrated, according to the result of arm processor, utilizes loudspeaker, infrared LED lamp and motor vehicle double jump lamp to carry out alarm in various degree, thereby ensures driving safety.
(3) the utility model has used light sensor and LED light compensating lamp in image capture module, has ensured the sharpness of image acquisition information, thereby can guarantee the accuracy of arm processor to graphical analysis result and the accuracy of testing result.
As shown from the above technical solution, the utility model is simple in structure, reasonable in design, not only can detect in real time driver's direction of visual lines, obtains driver's state of attention, can also analyze it in conjunction with vehicle traveling information, and analysis result is fed back to host computer.Thereby improve the accuracy rate of testing result, made fatigue driving examination and management more effective, practical.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Wherein:
1, gps signal receiver, 2, host computer or communication device, 3, camera, 4, LED light compensating lamp, 5, loudspeaker, 6, red LED lamp, 7, light sensor, 8, liquid crystal display, 9, arm processor, 10 relay circuits, 11, motor vehicle double jump lamp.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further:
A kind of driver attention as shown in Figure 1 detects and source of early warning in real time, comprises arm processor 9, image collecting device, gps signal receiver 1 and acoustic-optic alarm.Described image collecting device is connected by signal wire and arm processor 9 is interactive, for Real-time Collection driver's face-image and image information is delivered to arm processor 9 in real time carries out analyzing and processing.Described gps signal receiver 1 is connected with the com port of arm processor 9 by signal wire, obtains positional information, temporal information and the speed information of automobile for receiving satellite signal.Described acoustic-optic alarm is connected with the output terminal of arm processor 9 by signal wire, for remind driver to keep notice to concentrate at driving procedure acousto-optic.Specifically, described arm processor 9 is chip S3C6410.The model of described gps signal receiver 1 is UM220.
Further, described image collecting device comprises camera 3, LED light compensating lamp 4 and light sensor 7.Described camera 3 is connected with the USB interface of arm processor 9 by data line, for Real-time Collection driver's face-image and image information is delivered to arm processor 9 in real time carries out analyzing and processing.Described light sensor 7 is connected with the input end of arm processor 9 by signal wire, for gather intensity of illumination in car and by information Real-time Feedback to arm processor 9.Described LED light compensating lamp 4 is connected with the output terminal of arm processor 9 by signal wire, for carry out light filling in the time that intensity of illumination in car is not enough, thereby ensures to gather the sharpness of image and the accuracy of testing result.Specifically, described light sensor 7 is all connected with the general Purpose IO Interface of arm processor 9 with LED light compensating lamp 4.Preferably, described LED light compensating lamp 4 is infrared LED light compensating lamp.
Further, described acoustic-optic alarm comprises loudspeaker 5 and red LED lamp 6.Described loudspeaker 5 are connected with the analog signal output mouth of arm processor 9 by signal wire, for acoustically reminding driver to keep notice to concentrate.Described red LED lamp 6 is connected with the output terminal of arm processor 9 by signal wire, for visually reminding driver to keep notice to concentrate.Specifically, described red LED lamp 6 is connected with the general Purpose IO Interface of arm processor 9 by signal wire.
Further, the output terminal of described arm processor 9 is connected with motor vehicle double jump lamp 11 by relay circuit 10.By arm processor 9 is connected with motor vehicle double jump lamp 11, can, in detecting that driver attention is special unconcentrated, send alarm to the external world.Described relay circuit 10 is worked for controller motor-car double jump lamp.
Further, the LCD interface of described arm processor 9 is connected with liquid crystal display 8, and described liquid crystal display 8 is for the course of work of real-time display device.
Concrete use procedure of the present utility model is as follows:
First the utility model is controlled camera 3 and is automatically gathered drivers' face-image by arm processor 9, and is encoded into video flowing by form H.264, outputs to arm processor 9 by USB interface.Meanwhile, gps signal receiver 1 is converted to the satellite positioning signal receiving positional information and the velocity information of motor vehicle, according to NMEA-0183 agreement, outputs to arm processor 9 by com port.Secondly, arm processor 9 carries out analyzing and processing according to the information receiving, and driver's state of attention is divided into different brackets, and makes corresponding sound and light alarm and remind.Again, arm processor 9, in doing analysis judgement, by the result of the information detecting and analysis judgement, is uploaded to host computer or communication device 2 in real time.
Above-described embodiment is described preferred implementation of the present utility model; not scope of the present utility model is limited; do not departing under the prerequisite of the utility model design spirit; various distortion and improvement that those of ordinary skill in the art make the technical solution of the utility model, all should fall in the definite protection domain of the utility model claims.
Claims (6)
1. a driver attention detects and source of early warning in real time, it is characterized in that: comprise arm processor, image collecting device, gps signal receiver and acoustic-optic alarm, described image collecting device is connected by signal wire and arm processor are interactive, described gps signal receiver is connected with the com port of arm processor by signal wire, and described acoustic-optic alarm is connected with the output terminal of arm processor by signal wire; Described arm processor is chip S3C6410; Described gps signal receiver is chip UM220.
2. a kind of driver attention according to claim 1 detects and source of early warning in real time, it is characterized in that: described image collecting device comprises camera, LED light compensating lamp and light sensor, described camera is connected with the USB interface of arm processor by data line, described LED light compensating lamp is connected with the output terminal of arm processor by signal wire, and described light sensor is connected with the input end of arm processor by signal wire.
3. a kind of driver attention according to claim 1 detects and source of early warning in real time, it is characterized in that: described acoustic-optic alarm comprises loudspeaker and red LED lamp, described loudspeaker are connected with the analog signal output mouth of arm processor by signal wire, and described red LED lamp is connected with the output terminal of arm processor by signal wire.
4. a kind of driver attention according to claim 1 detects and source of early warning in real time, it is characterized in that: the output terminal of described arm processor is connected with motor vehicle double jump lamp by relay circuit.
5. a kind of driver attention according to claim 1 detects and source of early warning in real time, it is characterized in that: the LCD interface of described arm processor is connected with liquid crystal display.
6. a kind of driver attention according to claim 2 detects and source of early warning in real time, it is characterized in that: described LED light compensating lamp is infrared LED light compensating lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320783536.6U CN203733262U (en) | 2013-12-04 | 2013-12-04 | Real-time detecting and early-warning equipment of driver attention |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320783536.6U CN203733262U (en) | 2013-12-04 | 2013-12-04 | Real-time detecting and early-warning equipment of driver attention |
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| CN203733262U true CN203733262U (en) | 2014-07-23 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105069976A (en) * | 2015-07-28 | 2015-11-18 | 南京工程学院 | Integrated fatigue detection and driving record system and fatigue detection method |
| CN106263865A (en) * | 2015-05-27 | 2017-01-04 | 曾建都 | The portable type mirror structure that instant video transmits |
| CN107928664A (en) * | 2017-11-20 | 2018-04-20 | 江苏理工学院 | A kind of examination hall monitoring device based on brain wave |
| CN112668393A (en) * | 2020-11-30 | 2021-04-16 | 海纳致远数字科技(上海)有限公司 | Fatigue degree detection device and method based on face recognition and key point detection |
-
2013
- 2013-12-04 CN CN201320783536.6U patent/CN203733262U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106263865A (en) * | 2015-05-27 | 2017-01-04 | 曾建都 | The portable type mirror structure that instant video transmits |
| CN105069976A (en) * | 2015-07-28 | 2015-11-18 | 南京工程学院 | Integrated fatigue detection and driving record system and fatigue detection method |
| CN105069976B (en) * | 2015-07-28 | 2017-10-24 | 南京工程学院 | A kind of fatigue detecting and traveling record integrated system and fatigue detection method |
| CN107928664A (en) * | 2017-11-20 | 2018-04-20 | 江苏理工学院 | A kind of examination hall monitoring device based on brain wave |
| CN112668393A (en) * | 2020-11-30 | 2021-04-16 | 海纳致远数字科技(上海)有限公司 | Fatigue degree detection device and method based on face recognition and key point detection |
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Granted publication date: 20140723 |