CN203093890U - Vehicle route changing fade area auxiliary system based on video processor DM6437 - Google Patents
Vehicle route changing fade area auxiliary system based on video processor DM6437 Download PDFInfo
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- CN203093890U CN203093890U CN 201320060336 CN201320060336U CN203093890U CN 203093890 U CN203093890 U CN 203093890U CN 201320060336 CN201320060336 CN 201320060336 CN 201320060336 U CN201320060336 U CN 201320060336U CN 203093890 U CN203093890 U CN 203093890U
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Abstract
A vehicle route changing fade area auxiliary system based on a video processor DM6437 comprises a left side camera, a right side camera, a host machine and a displayer. A block of video processing circuit board is installed inside a host machine outer shell. The video processing circuit board is composed of a video processor circuit, a video decoding circuit, a video commutation circuit, a video amplifier circuit and a signal processing circuit, wherein the video commutation circuit is connected with the left side camera through a left side camera video line, the video commutation circuit is connected with the right side camera through a right side camera video line, the video amplifier circuit is connected with the displayer through a displayer video line, and a host machine CAN bus interface is arranged on the signal processing circuit of the video processing circuit board and is connected with an automobile CAN bus through a CAN bus. The vehicle route changing fade area auxiliary system based on the video processor DM6437 is based on the image processing technology and capable of detecting vehicles in the fade area. When the vehicles are detected to drive in the fade area, audible alarm is carried out.
Description
Technical field
The utility model relates to the automobile active safety field, is specially a kind of vehicle thread-changing blind area ancillary system based on video processor DM6437.
Background technology
Along with the continuous development and the progress of human society, the universal and application of automobile will more generally and be goed deep into, and the traffic accident generating capacity that thereupon brings has ever-increasing trend.Because there is the blind area in automobile rearview mirror, so carry out the vehicle thread-changing when in the blind area vehicle ' being arranged, then can cause the generation of traffic accident.Therefore, increasing auto vendor begins exploitation and uses vehicle thread-changing blind area ancillary system.
Existing vehicle thread-changing blind area ancillary system mostly is based on the mode of radar or excusing from death ripple, detects in the blind area whether obstacle is arranged, and when obstacle, chaufeur is carried out corresponding prompt.But based on super sonic or the detection mode of the radar shape difference along with obstacle, the intensity of echo is interfered very big, detects the effect instability.
The utility model content
The purpose of this utility model is to provide a kind of vehicle thread-changing blind area ancillary system based on video processor DM6437, and this vehicle thread-changing blind area ancillary system has strengthened the real-time of system by image processing algorithm and the method that combines from the car parameter.At left and right vehicle wheel back mirror two ends 2 cameras are installed, when chaufeur was beaten left steering, the system video input switched to the left side camera video image, and the image in the blind area, left side is shown on the telltale; When chaufeur was beaten right steering, the system video input switched to the right side camera video image, and the image in the blind area, right side is shown on the telltale.Simultaneously, based on image processing techniques,, carry out audible alarm when in detecting the blind area, vehicle ' being arranged to carrying out detecting test of vehicle in the blind area.
The technical solution of the utility model: a kind of vehicle thread-changing blind area ancillary system based on video processor DM6437 comprises left side camera, right side camera, main frame and telltale.Main frame has 1 rectangular container, is provided with 1 main frame groove, 1 left side camera video line input groove, 1 right side camera video line input groove, 1 display video line output groove above host housing.1 block of video processing circuits plate is housed in host housing, and this video processing circuits plate is made up of video processor circuit, video decode circuit, video switch circuit, video amplifier circuit, signal processing circuit.Video processor circuit on this video processing circuits plate adopts the video processor DM6437 of TI company, is responsible for video image is carried out the control of image processing and total system input and output.Video switch circuit on this video processing circuits plate is provided with 2 camera video line input interfaces, 1 left side camera video line input interface, link to each other with the left side camera by left side camera video line, this left side camera video line input interface is positioned at the left side camera video line input groove of host housing top; 1 right side camera video line input interface links to each other with the right side camera by right side camera video line, and this right side camera video line input interface is positioned at the right side camera video line input groove of host housing top.Video amplifier circuit on this video processing circuits plate is provided with 1 display video line output interface, links to each other with telltale by the display video line, and this display video line output interface is positioned at the display video line output groove of host housing top.Signal processing circuit on this video processing circuits plate is provided with 1 host C AN bus interface, links to each other with automobile CAN-bus by the CAN bus, and this host C AN bus interface is positioned at the main frame groove of host housing top.
The video processing circuits plate is made up of video processor circuit, video decode circuit, video switch circuit, video amplifier circuit, signal processing circuit.Video switch circuit is made up of video switch chip TS5A3359 and peripheral circuit thereof, and the left and right sides turn sign that collects according to the CAN bus switches to corresponding camera video signal, gives the video decode circuit with corresponding camera video image.The video decode circuit is made up of video decoding chip TVP5150 and peripheral circuit thereof, video decoding chip TVP5150 decodes analog video signal and is converted to digital video signal and outputs to video processor DM6437, and DM6437 handles video image by video processor.Video processor circuit is made of DDR2 memory device MT47H64M16BT, FLASH memory device SG29GL256N, video processor DM6437, the DDR2 memory device is used for the data of storage algorithm, the FLASH memory device is used for stored programme, and video processor DM6437 is responsible for image is handled.Video amplifier circuit amplifies chip OPA361 by video and peripheral circuit is formed, and is responsible for the analog signal of video processor DM6437 output is amplified, and through the display video line processed video is outputed on the telltale to show.Signal processing circuit is made up of CAN bus driver chip SN65HVD235 and peripheral circuit thereof, is responsible for reading from the car parameter.
Main frame collects the turn sign and the vehicle speed signal of vehicle by the CAN bus, carries out the collection and the demonstration of corresponding blind area video.When chaufeur is beaten left steering, the vision signal of left side camera is switched to the video decode circuit, by giving video processor DM6437 behind the video decode circuit decoding, deliver to telltale after handling by video processor DM6437 and show; When chaufeur is beaten right steering, the vision signal of right side camera is switched to the video decode circuit, by giving video processor DM6437 behind the video decode circuit decoding, deliver to telltale after handling by video processor DM6437 and show.Simultaneously, based on image processing techniques,, carry out audible alarm when in detecting the blind area, vehicle ' being arranged to carrying out detecting test of vehicle in the blind area.Like this, when chaufeur carries out the vehicle thread-changing, can clearly observe the things in the rear view mirror blind zone scope, improve the safety of vehicle thread-changing.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the framework scheme drawing of the utility model main frame.
Fig. 3 is the utility model host circuit scheme drawing.
Annex among the figure: 1 is the left side camera, 2 is the right side camera, and 3 is telltale, and 4 is the display video line, 5 is left side camera video line, 6 is right side camera video line, and 7 is the CAN bus, and 8 is main frame, 9 is the main frame groove, 10 are display video line output groove, and 11 is left side camera video line input groove, and 12 is right side camera video line input groove.
The specific embodiment
Embodiment
See Fig. 1, Fig. 2, a kind of vehicle thread-changing blind area ancillary system based on video processor DM6437 comprises left side camera 1, right side camera 2, main frame 8 and telltale 3.Main frame 8 has 1 rectangular container, is provided with 12,1 display video line output of 9,1 left side of 1 main frame groove, 11,1 right side of camera video line input groove camera video line input groove groove 10 above main frame 8 shells.1 block of video processing circuits plate is housed in main frame 8 shells, and this video processing circuits plate is made up of video processor circuit, video decode circuit, video switch circuit, video amplifier circuit, signal processing circuit.Video switch circuit on the video processing circuits plate is provided with 2 camera video line input interfaces, 1 left side camera video line input interface, link to each other with left side camera 1 by left side camera video line 5, this left side camera video line input interface is positioned at camera video line input groove 11 places, left side of main frame 8 shells top; 1 right side camera video line input interface links to each other with right side camera 2 by right side camera video line 6, and this right side camera video line input interface is positioned at camera video line input groove 12 places, right side of main frame 8 shells top.Video amplifier circuit on the video processing circuits plate is provided with 1 display video line output interface, links to each other with telltale 3 by display video line 4, and this display video line output interface is positioned at display video line output groove 10 places of main frame 8 shells top.Signal processing circuit on the video processing circuits plate is provided with 1 host C AN bus interface, links to each other with automobile CAN-bus by CAN bus 7, and this host C AN bus interface is positioned at main frame groove 9 places of host housing top.
See Fig. 3, the video processing circuits plate is made up of video processor circuit, video decode circuit, video switch circuit, video amplifier circuit, signal processing circuit.Video switch circuit is made up of video switch chip TS5A3359 and peripheral circuit thereof, is responsible for giving the video decode circuit with corresponding camera video image.The video decode circuit is made up of video decoding chip TVP5150 and peripheral circuit thereof, and responsible analog video signal is decoded is converted to digital video signal.Video processor circuit is made of DDR2 memory device MT47H64M16BT, FLASH memory device SG29GL256N, video processor DM6437, the DDR2 memory device is used for the data of storage algorithm, the FLASH memory device is used for stored programme, and video processor DM6437 is responsible for image is handled.Video amplifier circuit amplifies chip OPA361 by video and peripheral circuit is formed, and is responsible for the analog signal of video processor DM6437 output is amplified, and through the display video line processed video is outputed on the telltale to show.Signal processing circuit is made up of CAN bus driver chip SN65HVD235 and peripheral circuit thereof, is responsible for reading from the car parameter.
Claims (1)
1. vehicle thread-changing blind area ancillary system based on video processor DM6437, comprise left side camera, right side camera, main frame and telltale, it is characterized in that: main frame has 1 rectangular container, is provided with 1 main frame groove, 1 left side camera video line input groove, 1 right side camera video line input groove, 1 display video line output groove above host housing; 1 block of video processing circuits plate is housed in host housing, and this video processing circuits plate is made up of video processor circuit, video decode circuit, video switch circuit, video amplifier circuit, signal processing circuit; Video processor circuit on this video processing circuits plate adopts the video processor DM6437 of TI company, is responsible for video image is carried out the control of image processing and total system input and output; Video switch circuit on this video processing circuits plate is provided with 2 camera video line input interfaces, 1 left side camera video line input interface, link to each other with the left side camera by left side camera video line, this left side camera video line input interface is positioned at the left side camera video line input groove of host housing top; 1 right side camera video line input interface links to each other with the right side camera by right side camera video line, and this right side camera video line input interface is positioned at the right side camera video line input groove of host housing top; Video amplifier circuit on this video processing circuits plate is provided with 1 display video line output interface, links to each other with telltale by the display video line, and this display video line output interface is positioned at the display video line output groove of host housing top; Signal processing circuit on this video processing circuits plate is provided with 1 host C AN bus interface, links to each other with automobile CAN-bus by the CAN bus, and this host C AN bus interface is positioned at the main frame groove of host housing top.
Priority Applications (1)
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CN 201320060336 CN203093890U (en) | 2013-02-01 | 2013-02-01 | Vehicle route changing fade area auxiliary system based on video processor DM6437 |
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CN 201320060336 CN203093890U (en) | 2013-02-01 | 2013-02-01 | Vehicle route changing fade area auxiliary system based on video processor DM6437 |
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CN 201320060336 Expired - Fee Related CN203093890U (en) | 2013-02-01 | 2013-02-01 | Vehicle route changing fade area auxiliary system based on video processor DM6437 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109952231A (en) * | 2016-12-30 | 2019-06-28 | 金泰克斯公司 | With the on-demand full display mirror for scouting view |
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2013
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109952231A (en) * | 2016-12-30 | 2019-06-28 | 金泰克斯公司 | With the on-demand full display mirror for scouting view |
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Legal Events
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: 20130731 Termination date: 20140201 |