CN101540070A - Event data recorder with function of lane departure warning system - Google Patents
Event data recorder with function of lane departure warning system Download PDFInfo
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- CN101540070A CN101540070A CN200810085533A CN200810085533A CN101540070A CN 101540070 A CN101540070 A CN 101540070A CN 200810085533 A CN200810085533 A CN 200810085533A CN 200810085533 A CN200810085533 A CN 200810085533A CN 101540070 A CN101540070 A CN 101540070A
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Abstract
The invention relates to an event data recorder with function of a lane departure warning system, which combines the lane departure warning system (LDWS) and the event data recorder (EDR) into a whole for use so that the LDWS and the EDR not only have respective using functions, but also can further simultaneously record bodywork signals, lane departure times and peripheral situations when accidents happen, and store the bodywork signals, the lane departure times and the peripheral situations into a storage device. The event data recorder is favorable for judging whether the accidents are caused by vehicle factors or human factors when the accidents happen so as to increase the using functions and efficiency of the EDR and avoid the trouble for arranging the LDWS and the EDR respectively.
Description
Technical field
That the present invention relates to is a kind of drive recorder (EDR), especially refer to a kind of drive recorder with deviation caution system (LDWS) function, it is to utilize a deviation caution system (LDWS) and driving register (EDR) use that is combined into one, make it not only have each other functions of use of deviation caution system (LDWS) and drive recorder (EDR), and further can write down the car body signal simultaneously, situation arround when deviation number of times and accident take place, helping differentiating described accident in accident is that car factor or human factor cause, to promote the service efficiency of drive recorder.
Background technology
Automobile is vehicles of popularizing, and in recent years along with use need and often be installed various electronics outfits additional as GPS (GPS, global positioning system), deviation caution system (LDWS, Lane Departure Warning System) or drive recorder (EDR, Event Data Recorder), wherein, described deviation caution system (LDWS) 1 systemic effect functional block diagram as shown in Figure 1, mainly be to utilize an image capture unit (image sensor) 10 as a sampling image lens to be installed in Che Nei and in the face of the road image of car the place ahead before in order to the acquisition car, again institute's picked image is imported the electronic control unit (ECU of a LDWS, electronic control unit) in 11, it comprises via image input block (video inputunit) 12 and transfers to a digital signal processor (DSP, digital signal processor) 13 and cooperate an internal storage location (RAM unit, random access memory unit) 14 to handle identification, and in conjunction with by the car body signal of a car body signaling interface (driver vehicle interface) 15 input to judge whether the being dangerous driving behavior, if, for example: learn that by the car body signal person of driving does not handle a left side, road image before right-hand rotation lamp but the car shows that garage's direction is the state of crawling (as not travelling) with respect to lane line between the lane line of both sides, then can warn unit (audible warning unit) 16 and visual alarm unit (visual warningunit) 17 and send caution, reach the action function of deviation caution system (LDWS) with the warning driver by the sense of hearing.Described drive recorder (EDR) 2 systemic effect functional block diagram as shown in Figure 2, mainly be to utilize image capture unit (image sensor) 20 and sound capture device (as microphone Mic) 21 to be installed in outside Che Nei or the car in order to image before the acquisition car and sound all around, again institute's picked image and sound are imported an EDR electronic control unit (ECU, electronic control unit) in 22, it comprises: image part divides via image input block (video input unit) 23 the sound part via analog-to word cell (A/D unit, analog/digit unit) 24, acoustic coding unit (audio codec unit) 25, again through image compression unit (image compression unit) 26 and cooperate an internal storage location (RAM unit) 27 and storage device interface (storage unit interface) 28 as SDCI, and be stored to storage device (storage unit) 29 as SD memory card (SD card), just image and sound are stored to storage device 29 after drive recorder (EDR) compression, and can stop the lasting record in back (video recording and the recording) several seconds at system cut-off, for taking out record data when having an accident as evidence; And above-mentioned deviation caution system (LDWS) 1 and drive recorder (EDR) 2, its structural design and action function all can be considered prior art, and it is not feature of the present invention place, so be not described in detail in this its technology contents or electronic circuitry design; To so far, above-mentioned deviation caution system (LDWS) 1 all is individual the existence with drive recorder (EDR) 2, just distinctly has functions of use again, so also be to install and use individually when needing.
Repeatedly terrified attack took place again in recent years, American-European crisis awareness is improved constantly, if can then can effectively frighten the resistance crime and collect relevant evidence by safety monitoring system, therefore the security monitoring product continues to grow up, and automobile-used digitized video register (MDVR) is exactly a kind of device small-size computer safety system of monitoring and controlling onboard, generally is installed in abroad on coach or each primary school, the high medium school bus to use; Another automobile-used digitized video register (MDVR) further can be in conjunction with other function to be provided as multi-functional uses such as advertisement on the way, explanation, caution, broadcast, network, satellite navigation, and becoming a kind of safety feature also is a kind of service unit; And an automobile-used digitized video register (MDVR) generally is to utilize a digitized video register (DVR), and connect various monitoring equipments such as small-sized audio-visual sensor or speech transducer (as lapel mike), the rearview mirror display, automobile-used display, loudspeaker, miscellaneous equipments such as telepilot and GPS (GPS) receiver and being used, another automobile-used digitized video register (MDVR) can be provided with one or more storage devices (Storage Media) basically, in order to write down dynamic image and speech data (common name video-audio data) by digital form, and can adopt the real time record mode to make video-audio data be stored to storage device, be provided as long preservation or data search in the future, and can save the cost and the space of Storage Media; And the compress technique that digitized video register (DVR) is adopted is quite ripe, and the compressibility height, is fit to very much the usefulness of long-time continuous video recording; As from the foregoing, drive recorder (EDR) that the present invention is alleged or above-mentioned drive recorder (EDR) 2 are similar with the structure and the action function of automobile-used digitized video register (MDVR) basically, the drive recorder (EDR) that the present invention just is alleged or above-mentioned drive recorder (EDR) 2 further extendible its inner functions are to use as automobile-used digitized video register (MDVR), and because of the technology of described expansion function be to utilize the present electronic correlation technology can the person of reaching, so with the present invention, the alleged drive recorder (EDR) of the present invention is to comprise automobile-used digitized video register (MDVR); And because above-mentioned digitized video register (DVR) or automobile-used digitized video register (MDVR) all have been a matured product, so at this in detail its thin portion structure and functions of use is not described in detail.
So, existing deviation caution system (LDWS) 1 all is individual the existence with drive recorder (EDR) 2 (or automobile-used digitized video register MDVR), a just existing deviation caution system (LDWS) 1 only has the action function of deviation caution, but also can't not reach driving recording (digitized video record) function; And an existing driving register (EDR) 2 (or automobile-used digitized video register MDVR) also only have driving recording at present or further advertisement on the way, explanation, caution, broadcast, network, satellite navigation etc. are multi-functional, but do not have also can't reach the action function of deviation caution; Thereby if an automobile wants to possess the action function of deviation caution and driving recording, it is individual that 2 liang of groups of deviation caution system (LDWS) 1 and drive recorder (EDR) then must be installed respectively, and the image capture unit 10 that respectively is used also must be installed respectively as shown in Figure 2 with image capture unit 20 as shown in Figure 1; And because the automotive interior space is limited, individual respectively with the as easy as rolling off a log trouble that causes installation is installed respectively; And the image capture unit 10 that each group is used is the equivalent constructions body with image capture unit 20, but for individual and must install respectively respectively, increase relatively and make or installation cost, be unfavorable for the mass production and the universalness of deviation caution system (LDWS) 1 and drive recorder (EDR) 2; Especially, existing deviation caution system (LDWS) 1 only has the deviation alarm function, but can't not reach the driving recording function yet, when a driving has been judged is that the sense of hearing and visual alarm have also been sent in the dangerous driving behavior, but described dangerous driving behavior is not noted, and the driver is vigilance (as drunk driving) not also, when then after caution, still having an accident because of the dangerous driving behavior, only relying on the record data of borrowing drive recorder (EDR) 2, probably to be difficult to differentiate described accident be that car factor or human factor cause, make afterwards the attribution of liability or the judgement of Claims Resolution increase a lot of puzzlement, relatively also reduce the service efficiency of deviation caution system (LDWS) 1 and drive recorder (EDR) 2.
Summary of the invention
Fundamental purpose of the present invention is to provide a kind of drive recorder with deviation caution system function, it is to utilize a deviation caution system (LDWS, Lane Departure Warning System) with a driving register (EDR, Event Data Recorder) use that is combined into one, do not make described deviation caution system (LDWS) and drive recorder (EDR) not but still have the functions of use out of the ordinary of LDWS and EDR, and further can write down the car body signal simultaneously, situation arround when deviation number of times and accident take place, and be stored in the storage device, helping differentiating described accident in accident is that car factor or human factor cause, promoting the functions of use and the efficient of drive recorder (EDR), and avoid installing respectively the trouble of LDWS and EDR.
Still a further object of the present invention is to provide a kind of drive recorder with deviation caution system function, wherein said deviation caution system (LDWS) and drive recorder (EDR) relevant identical components such as image capture unit etc. between the two, can utilize a member wherein as only using an image capture unit to replace two image capture units on existing two independent individuals, to simplify installation exercise, avoid the trouble and the expense expenditure of installing respectively or occupy interior space, reduce manufacturing cost relatively, help the mass production and the universalness of deviation caution system (LDWS) and drive recorder (EDR).
Description of drawings
Fig. 1 is the structure block schematic diagram of the systemic effect function of an existing deviation caution system (LDWS);
Fig. 2 is the structure block schematic diagram of the systemic effect function of an existing driving register (EDR);
Fig. 3 is the structure block schematic diagram of systemic effect function of the present invention.
Description of reference numerals: 3-has the drive recorder of deviation caution system function; 30-image capture unit (image sensor); 31-sound capture device (audio sensor); 32-electronic control unit (ECU); 321-image input block (video input unit); 322-digital signal processor (DSP); 323-internal storage location (RAM unit); 324-image compression unit (image compressionunit); 325-storage device interface (storage unit interface); 326-analog-to word cell (A/Dunit, analog/digit unit); 327-acoustic coding unit (audio code unit); 33-car body signaling interface (driver vehicle interface); 34-storage device (storage unit); 35-sense of hearing caution unit (audible warning unit); 36-visual alarm unit (visual warning unit).
Embodiment
Below in conjunction with accompanying drawing, be described in more detail with other technical characterictic and advantage the present invention is above-mentioned.
Please refer to shown in Figure 3ly, it is the systemic effect functional block diagram of one embodiment of the invention.The following embodiment that is disclosed of the present invention, mainly be to be illustrated with the major function of using that is combined into one at the main member of a deviation caution system (LDWS) with a driving register (EDR) (or an automobile-used digitized video register MDVR), just be illustrated at a primary structure and the function with drive recorder of deviation caution system function, be not used for limiting wherein deviation caution system (LDWS) or other member or its structure function of drive recorder (EDR), just the associated components of deviation caution system (LDWS) or drive recorder (EDR) or structure function are to carry out many changes, revise, even equivalent the change also, as: the structure kenel of image capture unit (image sensor) and sound capture device (as microphone Mic) does not limit with the installation number; Or described small-sized image sensor can be CMOS (Complementary Metal-Oxide-Semiconductor, CMOS (Complementary Metal Oxide Semiconductor)) CCD of video camera or high image quality (Charge Coupled Device, photoelectricity are coupled audio-visual sensing component) video camera; Or can be one, and be that the identification of deviation caution system is used in order to double as in order to the image capture unit of acquisition car road ahead image; Or other action function of the electronic control unit (ECU) that uses of being combined into one do not limit, and can increase advertisement broadcasting function or connect various relevant watch-dogs such as small-sized image sensor or speech transducer (as lapel mike), rearview mirror display, automobile-used display, loudspeaker, telepilot and GPS (GPS) receiver etc. as it; Or employed image compressing method does not limit as selecting different storage devices such as hard disk etc. for use with storage device structure etc.; Therefore the personage who generally is familiar with this skill understands, and disclosed member with drive recorder of deviation caution system function is not limited in following the disclosed embodiments structure.
Please refer to shown in Figure 3ly, it is the systemic effect functional block diagram of one embodiment of the invention.The drive recorder 3 that the present invention has deviation caution system function mainly comprises: at least one image capture unit (imagesensor) 30, with/or a sound capture device (audio sensor) 31 as microphone (Mic), one electronic control unit (ECU, electronic control unit) 32, one car body signaling interface (driver vehicleinterface) 33, at least one storage device (storage unit) 34 is as SD memory card (SD card), with/or sense of hearing caution unit (audible warning unit) 35, with/or a visual alarm unit (visualwarning unit) 36; Wherein said electronic control unit (ECU) 32 further comprises an image input block (video input unit) 321, one digital signal processor (DSP, digital signal processor) 322, one internal storage location (RAM unit, random access memory unit) 323, one image compression unit (image compression unit) 324, one storage device interface (storage unit interface) 325 is as SDCI, with/or an analog-to word cell (A/D unit, analog/digit unit) 326, with/or an acoustic coding unit (audio codec unit) 327.
Described image capture unit (image sensor) 30 is mounted in the car in order to image before the fechtable car, again with institute's picked image input electronic control unit (ECU) 32, wherein institute's picked image data are to be divided into two aspects and the action function that carries out deviation caution system (LDWS) action function and drive recorder (EDR) respectively after via image input block (video input unit) 31 input: wherein one side institute picked image data are to transfer to digital signal processor (DSP, digital signal processor) 322 and cooperate internal storage location (RAM unit, random access memory unit) 323 to handle identification, and simultaneously in conjunction with car body signal by car body signaling interface (driver vehicle interface) 33 inputs, to judge whether the being dangerous driving behavior, if, for example: learn that by the car body signal person of driving does not handle a left side, road image before right-hand rotation lamp but the car shows that garage's direction is the state of crawling (as not travelling) with respect to lane line between the lane line of both sides, then send caution with the warning driver, reach the action function of deviation caution system (LDWS) via sense of hearing caution unit (audible warning unit) 36 and visual alarm unit (visual warning unit) 35; Wherein on the other hand simultaneously via image compression unit (image compressionunit) 324 and cooperate internal memory (RAM unit) 323, again via storage device interface (storage unit interface) 325 as SDCI, and be stored to storage device (storage unit) 34 as SD memory card (SD card), and can stop the lasting record in back (video recording and the recording) several seconds at system cut-off, for taking out record data when having an accident, reach the action function of drive recorder (EDR) as evidence.
Described sound capture device (audio sensor) 31 is mounted in outside Che Nei or the car as lapel mike (Mic), for cooperating image capture unit 30 with the sound around the synchronous pick-up car, again with the sound input electronic control unit (ECU) 32 that is captured, and via analog-to word cell (A/D unit) 326 and acoustic coding unit (audio codec unit) 327, again via image compression unit (image compressionunit) 324 and cooperate internal storage location (RAM unit) 323, be stored to storage device (storage unit) 34 as SD memory card (SD card) via storage device interface (storageinterface) 325 again, and can stop the lasting record in back (video recording and the recording) several seconds at system cut-off, for taking out record data when having an accident as evidence, to cooperate by 30 picked image of image capture unit, reach the action function of drive recorder (EDR) to be stored to storage device (storage) 34 synchronously as SD memory card (SD card).
As from the foregoing, the present invention has the drive recorder 3 of deviation caution system function not only can reach the action function of deviation caution system (LDWS) and the action function of drive recorder (EDR) respectively, and situation arround in the time of further can writing down car body signal, deviation number of times and accident generation simultaneously, and be stored in the storage device, helping in accident back taking-up data taking place is that car factor or human factor are caused to differentiate described accident, so can promote the functions of use and the efficient of drive recorder (EDR); Wherein said again deviation caution system (LDWS) can be shared an image capture unit 30 with drive recorder (EDR) identical components such as image capture unit between the two, also can utilize a casing (figure do not show) and all associated components of assembling deviation caution system (LDWS) and drive recorder (EDR) are electronic control unit (ECU) 32, so can simplify assembling and installation exercise, avoiding installing respectively deviation caution system (LDWS) pays with the trouble and the expense of drive recorder (EDR), reduce cost relatively, help mass production and universalness that the present invention has the drive recorder 3 of deviation caution system function.
Have as for the present invention in the drive recorder 3 of deviation caution system function, electronic circuit combine the structural design etc. of electronic circuit that design and each system can reach the action function of deviation caution system (LDWS) and drive recorder (EDR) again respectively between one a deviation caution system (LDWS) and driving register (EDR), be to utilize present associated electrical technology to reach, so at its thin portion electronic structure of this not elsewhere specified (NES).
The above only is preferred embodiment of the present invention, only is illustrative for the purpose of the present invention, and nonrestrictive; Those skilled in the art is understood, and can carry out many changes to it in the spirit and scope that claim of the present invention limited, and revise, even the equivalence change also, but all will fall within the scope of protection of the present invention.
Claims (5)
1. drive recorder with deviation caution system function, it is characterized in that: it comprises: at least one image capture unit, an electronic control unit, a car body signaling interface, at least one storage device, and a sense of hearing caution unit or a visual alarm, wherein:
Described image capture unit in order to the acquisition car before image, again with institute picked image input electronic control unit;
A single image input block, a digital signal processor, an internal storage location, an image compression unit, a storage device interface, an analog-to word cell and the acoustic coding unit of mainly comprising of described Electronic Control;
Wherein, by described image capture unit institute picked image data via the input of image input block after, can transfer to digital signal processor on the one hand and cooperate internal storage location to handle identification, and utilize the car body signal of importing by the car body signaling interface simultaneously to judge whether the being dangerous driving behavior, if then send caution with the warning driver via sense of hearing caution unit and visual alarm unit; Simultaneously via the image compression unit and cooperate internal storage location, be stored to storage device via the storage device interface more on the other hand;
Wherein, situation arround described electronic control unit writes down car body signal, deviation number of times and accident simultaneously when taking place, and be stored to storage device.
2. the drive recorder with deviation caution system function according to claim 1, it is characterized in that: it further is provided with at least one sound capture device, described sound capture device cooperates image capture unit with the sound around the synchronous pick-up car, again with the sound input electronic control unit that is captured.
3. the drive recorder with deviation caution system function according to claim 2, it is characterized in that: described electronic control unit further is provided with an analog-to word cell and an acoustic coding unit, after wherein the sound that is captured by the sound capture device is imported electronic control unit, earlier via analog-to word cell and acoustic coding unit, via the image compression unit and cooperate internal storage location, be stored to storage device via the storage device interface more again.
4. the drive recorder with deviation caution system function according to claim 1 is characterized in that: described storage device is a memory card.
5. the drive recorder with deviation caution system function according to claim 1 is characterized in that: image before described drive recorder utilizes an image capture unit with the acquisition car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810085533A CN101540070A (en) | 2008-03-17 | 2008-03-17 | Event data recorder with function of lane departure warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810085533A CN101540070A (en) | 2008-03-17 | 2008-03-17 | Event data recorder with function of lane departure warning system |
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| CN101540070A true CN101540070A (en) | 2009-09-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200810085533A Pending CN101540070A (en) | 2008-03-17 | 2008-03-17 | Event data recorder with function of lane departure warning system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542635A (en) * | 2012-02-09 | 2012-07-04 | 重庆长安汽车股份有限公司 | Car recorder combined with lane deviation alarming system |
| CN104029680A (en) * | 2014-01-02 | 2014-09-10 | 上海大学 | Lane departure warning system and method based on monocular camera |
| CN106355679A (en) * | 2016-09-26 | 2017-01-25 | 东莞市锐准电子科技股份有限公司 | Driving recorder |
| WO2017133311A1 (en) * | 2016-02-03 | 2017-08-10 | 武汉极目智能技术有限公司 | Adas technology-based vehicle steering detection system and detection method |
| CN110239537A (en) * | 2019-06-19 | 2019-09-17 | 北京茵沃汽车科技有限公司 | A kind of active safety system of vehicle |
| CN113192362A (en) * | 2021-04-27 | 2021-07-30 | 宝能(广州)汽车研究院有限公司 | Data recording method and device, electronic equipment and vehicle |
-
2008
- 2008-03-17 CN CN200810085533A patent/CN101540070A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102542635A (en) * | 2012-02-09 | 2012-07-04 | 重庆长安汽车股份有限公司 | Car recorder combined with lane deviation alarming system |
| CN104029680A (en) * | 2014-01-02 | 2014-09-10 | 上海大学 | Lane departure warning system and method based on monocular camera |
| CN104029680B (en) * | 2014-01-02 | 2016-12-07 | 上海大学 | Lane Departure Warning System based on monocular cam and method |
| WO2017133311A1 (en) * | 2016-02-03 | 2017-08-10 | 武汉极目智能技术有限公司 | Adas technology-based vehicle steering detection system and detection method |
| CN107031660A (en) * | 2016-02-03 | 2017-08-11 | 武汉极目智能技术有限公司 | A kind of Vehicular turn detecting system and detection method based on ADAS technologies |
| CN106355679A (en) * | 2016-09-26 | 2017-01-25 | 东莞市锐准电子科技股份有限公司 | Driving recorder |
| CN110239537A (en) * | 2019-06-19 | 2019-09-17 | 北京茵沃汽车科技有限公司 | A kind of active safety system of vehicle |
| CN113192362A (en) * | 2021-04-27 | 2021-07-30 | 宝能(广州)汽车研究院有限公司 | Data recording method and device, electronic equipment and vehicle |
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Open date: 20090923 |