CN2938233Y - Vehicle accident image and data recording system - Google Patents
Vehicle accident image and data recording system Download PDFInfo
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- CN2938233Y CN2938233Y CN 200620110760 CN200620110760U CN2938233Y CN 2938233 Y CN2938233 Y CN 2938233Y CN 200620110760 CN200620110760 CN 200620110760 CN 200620110760 U CN200620110760 U CN 200620110760U CN 2938233 Y CN2938233 Y CN 2938233Y
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Abstract
The utility model discloses a picture and data recording system in the car accident, which comprises an impact sensor, a forward noctovisor, a backward noctovisor, an velocity sensor, a reading plotter. The impact sensor, the forward noctovisor, the backward noctovisor and the velocity sensor are respectively connected with the reading plotter; the reading plotter comprises an A/D converter, an video converter, a SCM, a programmable logic device and a memory. The picture and data recording system of the utility model can continuously record pictures and data information for a plurality of times of traffic accidents; the picture information is about the vehicles information before and after accident vehicle and the environment information 10 seconds before the accident happens; the data information is about the running speed of the accident vehicle 10 seconds before the accident happens; the noctovisor adopted has good adaptive capacity, which can adapt to the cloudy, rainy, foggy weather and the night, thereby reducing the number of expensive sensors be used; the picture and data recording controlled by the programmable logic device simplifies the structure and improves the system stability.
Description
Technical field the utility model relates to a kind of image and digital data recording system, particularly a kind of motor-vehicle accident image and digital data recording system.
The background technology automobile is when having an accident, actual conditions in the time of will taking place according to accident are carried out confirmation of responsibility, automobile takes place in advance and the situation during automobile generation thing, it is the foundation of traffic hazard processing procedure confirmation of responsibility, the confirmation of responsibility that the record of motor-vehicle accident image and data can be traffic hazard provides foundation, be data important in the traffic hazard processing procedure, therefore, big quantity research arranged all in this respect both at home and abroad.Before the eighties in 20th century, the content of accident record mainly is data, and data are all obtained by sensor; After the eighties in 20th century, the content of accident record has just had image, but the pen recorder hardware configuration complexity of most of motor-vehicle accident image and data, stable bad.
The summary of the invention the purpose of this utility model is exactly at the deficiencies in the prior art, provides that a kind of hardware configuration is simple, the motor-vehicle accident image and the digital data recording system of good stability.
For achieving the above object, the utility model adopts following technical scheme:
A kind of motor-vehicle accident image and digital data recording system, comprise crash sensor, forward direction thermal camera, back to thermal camera, speed pickup, pen recorder, crash sensor, forward direction thermal camera, back are connected with pen recorder respectively to thermal camera, speed pickup; Described pen recorder is made of A/D converter, video converter, single-chip microcomputer, programmable logic device, storer;
Wherein:
The output terminal of crash sensor is connected with the input end of A/D converter, and the output terminal of A/D converter is connected with the input end of single-chip microcomputer, and the output terminal of single-chip microcomputer connects with the input end that is connected programmable logic device;
The output terminal of speed pickup is connected with the input end of A/D converter, and the output terminal of A/D converter is connected with the input end of single-chip microcomputer, and the output terminal of single-chip microcomputer connects with the input end that is connected programmable logic device;
The output terminal of forward direction thermal camera is connected with the input end of video converter, and the output terminal of video converter is connected with the input end of programmable logic device;
The back is connected with the input end of video converter to the output terminal of thermal camera, and the output terminal of video converter is connected with the input end of programmable logic device;
Single-chip microcomputer also is connected with video converter, video converter input end respectively;
The input end of storer is connected with the output terminal of programmable logic device, and storer has output port.
A kind of motor-vehicle accident image of the present utility model and digital data recording system, accident take place that image and this garage make data recording before and after preceding 10 seconds this car, and can note down 5 hazard plot pictures and data continuously, and its process is carried out in the following order:
Make motor-vehicle accident image and digital data recording system be in holding state;
Front and back are to the single-chip microcomputer of image and data recording portion, the accident time counter initialization of programmable logic device;
Be installed in the impact of the impact microphone continuous probe automobile front of automobile front, output bump signal;
It is digital voltage signal that A/D converter will clash into conversion of signals;
Single-chip microcomputer is judged digital voltage signal, produces control signal;
When control signal is high level, the vertical reference output signal of exporting to the video converter of image and data recording portion before and after programmable logic device detects, horizontal reference output signal and row locking system clock output two divided-frequency signal, when these signals are not high level simultaneously, continue to detect these signals, when these signals are high level simultaneously, change next step;
Whether time counter of the accident before and after judging in the programmable logic device of image and data recording portion equals i (i=1,2,3,4,5), when accident time counter equals i, the image of accident i is carried out record;
Video converter is converted to digital video signal with the analog video signal that thermal camera obtains under Single-chip Controlling, in programmable logic device is judged under the control the video image write store, simultaneously velocity information also is recorded in the storer, stores 10 seconds video image and velocity information in the reservoir all the time.
Motor-vehicle accident image of the present utility model and digital data recording system, but continuous recording is the image and the data message of traffic hazard repeatedly, image information is preceding 10 seconds sagittal vehicles of all these cars and ambient image information when having an accident, the travel speed of data message preceding 10 seconds all these cars when traffic hazard takes place.The thermal camera adaptive faculty that adopts is strong, can adapt to weather and periods at night such as the moon, rain, mist, reduce the usage quantity of expensive sensor, adopted the record of programmable logic device control chart picture and data, simplified the structure, improved system stability.
Description of drawings Fig. 1 is the scheme of installation of the utility model on automobile
Fig. 2 is the utility model structured flowchart
Fig. 3 is a fundamental diagram of the present utility model
Embodiment is further described the utility model below in conjunction with accompanying drawing, referring to Fig. 1, Fig. 2, Fig. 3:
A kind of motor-vehicle accident image and digital data recording system, comprise crash sensor 1, forward direction thermal camera 2, back to thermal camera 3, speed pickup 4, pen recorder 5, crash sensor 1, forward direction thermal camera 2, back are connected with pen recorder 5 respectively to thermal camera 3, speed pickup 4; Described pen recorder 5 is made of A/D converter 11,41, video converter 21,31, single-chip microcomputer 51, programmable logic device 52, storer 6;
Wherein:
The output terminal of crash sensor 1 is connected with the input end of A/D converter 11, and the output terminal of A/D converter 11 is connected with the input end of single-chip microcomputer 51, and the output terminal of single-chip microcomputer 51 connects with the input end that is connected programmable logic device 52;
The output terminal of speed pickup 4 is connected with the input end of A/D converter 41, and the output terminal of A/D converter 41 is connected with the input end of single-chip microcomputer 51, and the output terminal of single-chip microcomputer 51 connects with the input end that is connected programmable logic device 52;
The output terminal of forward direction thermal camera 2 is connected with the input end of video converter 21, and the output terminal of video converter 21 is connected with the input end of programmable logic device 52;
The back is connected with the input end of video converter 31 to the output terminal of thermal camera 3, and the output terminal of video converter 31 is connected with the input end of programmable logic device 52;
Single-chip microcomputer 51 also is connected with video converter 21, video converter 31 input ends respectively;
The input end of storer 6 is connected with the output terminal of programmable logic device 52, and storer 6 has output port.
When principle of work has an accident when automobile, the signal that crash sensor 1 is sensed is converted to digital signal through A/D converter 11, judge by single-chip microcomputer 51, notify programmable logic device 52 then, programmable logic device 52 stores the output digital signal of video converter 21,31 in the storer 6 into, also speed pickup 4 is stored in the storer 6 by the rate signal that A/D converter 41 is converted to numeral simultaneously.
Front and back are as follows to image and data recording process:
When (1) control signal that detects single-chip microcomputer 51 output when programmable logic device 52 is high level, detect video converter 21, the vertical reference output signal of 31 outputs, the horizontal reference output signal, parity field marking signal and row locking system clock output two divided-frequency signal, when the vertical reference output signal, the horizontal reference output signal, when parity field marking signal and row locking system clock output two divided-frequency signal are not high simultaneously, continue detection of vertical with reference to output signal, the horizontal reference output signal, parity field marking signal and row locking system clock output two divided-frequency signal, when the vertical reference output signal, the horizontal reference output signal, when parity field marking signal and row locking system clock output two divided-frequency signal are high simultaneously, change next step;
(2) whether the accident time counter of judging programmable logic device 52 the insides equals i (i=1,2,3,4,5), when accident time counter equals i, the pixel clock signal of row locking system clock output two divided-frequency signal is counted, is produced address, chip selection signal, write signal and the latch chip selection signal of storer i;
(3) when chip selection signal be low level and write signal when being low level, if the address signal of storer 6 equals at 0 o'clock, the video converter 21 of this moment, 31 output signal write store i (i=1,2,3,4,5) in the address 0, if the address signal of memory bank equals at 1 o'clock, the video converter 21 of this moment, 31 output signal write store i (i=1,2,3,4,5) in the address 1, if the address signal of memory bank equals at 2 o'clock, the video converter 21 of this moment, 31 output signal write store i (i=1,2,3,4,5) in the address 2, by that analogy, be high level until control signal;
(4) when the vertical reference output signal of video converter 21,31, horizontal reference output signal and row locking system clock output two divided-frequency signal are high level for high level and control signal simultaneously, the value of the address signal of the storer 6 of this moment is composed to the next address counter.
Claims (1)
1, a kind of motor-vehicle accident image and digital data recording system, comprise that crash sensor (1), forward direction thermal camera (2), back to thermal camera (3), speed pickup (4), pen recorder (5), is characterized in that: crash sensor (1), forward direction thermal camera (2), back are connected with pen recorder (5) respectively to thermal camera (3), speed pickup (4); Described pen recorder (5) is made of A/D converter (11), (41), video converter (21), (31), single-chip microcomputer (51), programmable logic device (52), storer (6);
Wherein:
The output terminal of crash sensor (1) is connected with the input end of A/D converter (11), and the output terminal of A/D converter (11) is connected with the input end of single-chip microcomputer (51), and the output terminal of single-chip microcomputer (51) connects with the input end that is connected programmable logic device (52);
The output terminal of speed pickup (4) is connected with the input end of A/D converter (41), and the output terminal of A/D converter (41) is connected with the input end of single-chip microcomputer (51), and the output terminal of single-chip microcomputer (51) connects with the input end that is connected programmable logic device (52);
The output terminal of forward direction thermal camera (2) is connected with the input end of video converter (21), and the output terminal of video converter (21) is connected with the input end of programmable logic device (52);
The back is connected with the input end of video converter (31) to the output terminal of thermal camera (3), and the output terminal of video converter (31) is connected with the input end of programmable logic device (52);
Single-chip microcomputer (51) also is connected with video converter (21), video converter (31) input end respectively;
The input end of storer (6) is connected with the output terminal of programmable logic device (52), and storer (6) has output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620110760 CN2938233Y (en) | 2006-06-12 | 2006-06-12 | Vehicle accident image and data recording system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620110760 CN2938233Y (en) | 2006-06-12 | 2006-06-12 | Vehicle accident image and data recording system |
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| Publication Number | Publication Date |
|---|---|
| CN2938233Y true CN2938233Y (en) | 2007-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620110760 Expired - Fee Related CN2938233Y (en) | 2006-06-12 | 2006-06-12 | Vehicle accident image and data recording system |
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| Country | Link |
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| CN (1) | CN2938233Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102306408A (en) * | 2011-06-21 | 2012-01-04 | 五邑大学 | Travelling crane impact force and impact direction monitor |
| CN101777199B (en) * | 2010-01-22 | 2012-10-03 | 长安大学 | Automobile traveling recording device based on video and recording method thereof |
| CN102890834A (en) * | 2011-07-19 | 2013-01-23 | 上海博泰悦臻电子设备制造有限公司 | System and method for recording automobile accidents |
-
2006
- 2006-06-12 CN CN 200620110760 patent/CN2938233Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101777199B (en) * | 2010-01-22 | 2012-10-03 | 长安大学 | Automobile traveling recording device based on video and recording method thereof |
| CN102306408A (en) * | 2011-06-21 | 2012-01-04 | 五邑大学 | Travelling crane impact force and impact direction monitor |
| CN102306408B (en) * | 2011-06-21 | 2013-08-07 | 五邑大学 | Travelling crane impact force and impact direction monitor |
| CN102890834A (en) * | 2011-07-19 | 2013-01-23 | 上海博泰悦臻电子设备制造有限公司 | System and method for recording automobile accidents |
| CN102890834B (en) * | 2011-07-19 | 2016-01-06 | 上海博泰悦臻电子设备制造有限公司 | Motor-vehicle accident register system and method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |