CN205149653U - Lane departure early warning system - Google Patents
Lane departure early warning system Download PDFInfo
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- CN205149653U CN205149653U CN201520792104.0U CN201520792104U CN205149653U CN 205149653 U CN205149653 U CN 205149653U CN 201520792104 U CN201520792104 U CN 201520792104U CN 205149653 U CN205149653 U CN 205149653U
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Abstract
The utility model provides a lane departure early warning system, including image processing unit, CAN communication and alarm unit and electrical unit, electrical unit's input and CAN diagnosis mouth are connected, and the output is communicated and alarm connected unit with image processing unit and CAN respectively, image processing module's among the image processing unit input and image collection module's output are connected, image processing module's output is connected with the input of display module, image processing module pass through communication module A in proper order with CAN communication and alarm unit in communication module B and main processor module communication be connected, main processor module's output is connected with alarm module's input, main processor module's input still is connected with CAN diagnosis mouth through bus control module. The utility model is used for dress market is acceptant behind the car, and direct and the diagnosis of on -vehicle CAN mouthful are pegged graft and to be linked to each other, do not change former fare way, install additional with low costs, simple structure, system integration is high.
Description
Technical field
The utility model relates to automotive safety and assists driving field, particularly a kind of Lane Departure Warning System.
Background technology
In recent years, because chaufeur is overtired, carelessness on express highway, automotive run-off-road is caused to cause the ratio of major traffic accidents to increase year by year.The statistics of " national economy and social development statistical communique in 2014 " is pointed out, the toll on traffic of 2014 is 34292.34 people, and dead 31604.3 people than 2013 add 2688.04 people, and rate of rise is 8.5%; Comparing 2012 annual growths is 13.46%; Comparing 2011 annual growths is 15.78%.
The research of American roads safety gear shows: about have the motor traffic accidents of 50% to depart from normal traveling lane because of automobile and cause, deviation is also seen as the major cause of vehicle rollover accident.Some experts estimate, utilize the system of horizontal position when can detect vehicle operating can prevent the Lane Departure of about 53%.
Installing meter before current Lane Departure Warning System belongs to mostly, and mainly concentrate on middle and high end vehicle.Although these systems achieve the functions such as lane departure warning substantially, the most low and middle-end vehicles not possessing this configuration are installed additional, then exist install additional cost high, former fare road is changed, the deficiency such as early warning accuracy is low.
Utility model content
For solving the problems of the technologies described above, the utility model provides a kind of Lane Departure Warning System, this Lane Departure Warning System by the connection of graphics processing unit and CAN communication and alarm unit, the connection mode of CAN communication and alarm unit and CAN diagnostics port.By image acquisition, process, display and warning, timely early warning driver safety is driven.
The utility model is achieved by the following technical programs.
A kind of Lane Departure Warning System that the utility model provides, comprise graphics processing unit, CAN communication and alarm unit and power subsystem unit, the input end of described power subsystem unit is connected with CAN diagnostics port, mouth is connected with graphics processing unit and CAN communication and alarm unit respectively, the input end of the image processing module in described graphics processing unit is connected with the mouth of image collection module, and the mouth of described image processing module is connected with the input end of display module; Described image processing module is connected with the communication module B in CAN communication and alarm unit and main processor modules communication successively by communication module A; The mouth of described main processor modules is connected with the input end of alarm module, and the input end of described main processor modules is also connected with CAN diagnostics port by bus control module.
Described image processing module and/or main processor modules are STM32 controller.
Described image collection module is OV7670 camera.
Described display module is ILI9320 LCDs.
Described communication module A and/or communication module B is MAX485 interface chip.
Described bus control module is TJA1040-CAN transceiver.
Described alarm module is OPT language chip.
Described power subsystem unit is LM2596 voltage stabilizing chip.
The beneficial effects of the utility model are: fill market after automobile acceptant, are directly connected with the grafting of vehicle-mounted CAN diagnostics port, and do not change former fare road, install cost additional low, structure is simple.Whole device inside only has several large module, and level of integrated system is high, and volume is little.Early warning accuracy is high, reads vehicle-related information identification driver's operation state, obtain graphicinformation, accurately identify automotive run-off-road, reduce rate of false alarm in conjunction with camera by CAN diagnostics port.
Accompanying drawing explanation
Fig. 1 is functional block diagram of the present utility model.
Detailed description of the invention
Further describe the technical solution of the utility model below, but described in claimed scope is not limited to.
A kind of Lane Departure Warning System as shown in Figure 1, comprise graphics processing unit, CAN communication and alarm unit and power subsystem unit, the input end of described power subsystem unit is connected with CAN diagnostics port, mouth is connected with graphics processing unit and CAN communication and alarm unit respectively, the input end of the image processing module in described graphics processing unit is connected with the mouth of image collection module, and the mouth of described image processing module is connected with the input end of display module; Described image processing module is connected with the communication module B in CAN communication and alarm unit and main processor modules communication successively by communication module A; The mouth of described main processor modules is connected with the input end of alarm module, and the input end of described main processor modules is also connected with CAN diagnostics port by bus control module.
Described image processing module and/or main processor modules are STM32 controller.Processor module mainly identifies through OV7670 camera shooting vehicle front image
Described image collection module is OV7670 camera.Image collection module mainly utilizes OV7670 camera to take vehicle front image, identifies current vehicle diatom after process.
Described display module is ILI9320.Mainly in order to show current lane and track gauge target, when after automotive run-off-road, contrasting with gauge target, finding to depart from, be sent to CAN communication and alarm board by MAX485 communication line.
Described communication module A and/or communication module B is MAX485 interface chip.The communication information is sent to CAN communication and alarm module.
Described bus control module is TJA1040-CAN transceiver.
Described alarm module is OPT language chip.
Described power subsystem unit is LM2596 voltage stabilizing chip.
LM2596 power management chip obtains 12v voltage by CAN mouth, obtains the working power that 3.3v voltage provides each chip in image processing board and CAN communication alarm board after chip voltage
Graphics processing unit utilizes OV7670 camera to take vehicle front image, current vehicle diatom is identified after the process of STM32 controller, in ILI9320, show current lane and track gauge target simultaneously, when after automotive run-off-road, contrast with gauge target, discovery departs from, and is sent to CAN communication and alarm board by MAX485 communication line.After CAN communication and alarm board receive the vehicle offset signal that 485 communication lines transmit, reading the turn signal state in CAN controller, when finding that steering indicating light do not opened by vehicle and track is departed from, then sending audio alert by OPT speech chip.
It is acceptant that the utility model fills market after being used for automobile, and be directly connected with the grafting of vehicle-mounted CAN diagnostics port, do not change former fare road, install cost additional low, structure is simple.Level of integrated system is high, and volume is little.Early warning accuracy is high, reads vehicle-related information identification driver's operation state, obtain graphicinformation, accurately identify automotive run-off-road, reduce rate of false alarm in conjunction with camera by CAN diagnostics port.
Claims (8)
1. a Lane Departure Warning System, comprise graphics processing unit, CAN communication and alarm unit and power subsystem unit, the input end of described power subsystem unit is connected with CAN diagnostics port, mouth is connected with graphics processing unit and CAN communication and alarm unit respectively, it is characterized in that: the input end of the image processing module in described graphics processing unit is connected with the mouth of image collection module, and the mouth of described image processing module is connected with the input end of display module; Described image processing module is connected with the communication module B in CAN communication and alarm unit and main processor modules communication successively by communication module A; The mouth of described main processor modules is connected with the input end of alarm module, and the input end of described main processor modules is also connected with CAN diagnostics port by bus control module.
2. Lane Departure Warning System as claimed in claim 1, is characterized in that: described image processing module and/or main processor modules are STM32 controller.
3. Lane Departure Warning System as claimed in claim 1, is characterized in that: described image collection module is OV7670 camera.
4. Lane Departure Warning System as claimed in claim 1, is characterized in that: described display module is ILI9320 LCDs.
5. Lane Departure Warning System as claimed in claim 1, is characterized in that: described communication module A and/or communication module B is MAX485 interface chip.
6. Lane Departure Warning System as claimed in claim 1, is characterized in that: described bus control module is TJA1040-CAN transceiver.
7. Lane Departure Warning System as claimed in claim 1, is characterized in that: described alarm module is OPT language chip.
8. Lane Departure Warning System as claimed in claim 1, is characterized in that: described power subsystem unit is LM2596 voltage stabilizing chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792104.0U CN205149653U (en) | 2015-10-14 | 2015-10-14 | Lane departure early warning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520792104.0U CN205149653U (en) | 2015-10-14 | 2015-10-14 | Lane departure early warning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205149653U true CN205149653U (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520792104.0U Expired - Fee Related CN205149653U (en) | 2015-10-14 | 2015-10-14 | Lane departure early warning system |
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| Country | Link |
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| CN (1) | CN205149653U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216694A (en) * | 2015-10-14 | 2016-01-06 | 南宁学院 | A kind of Lane Departure Warning System |
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2015
- 2015-10-14 CN CN201520792104.0U patent/CN205149653U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105216694A (en) * | 2015-10-14 | 2016-01-06 | 南宁学院 | A kind of Lane Departure Warning System |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160413 Termination date: 20181014 |