CN210526396U - Intelligent auxiliary driving system - Google Patents
Intelligent auxiliary driving system Download PDFInfo
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- CN210526396U CN210526396U CN201921466714.6U CN201921466714U CN210526396U CN 210526396 U CN210526396 U CN 210526396U CN 201921466714 U CN201921466714 U CN 201921466714U CN 210526396 U CN210526396 U CN 210526396U
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Abstract
The utility model provides an intelligence driver assistance system, including speed sensor, the fast sensor of wheel, infrared night vision system, warning module and intelligent driving domain controller, infrared night vision system includes infrared LED light filling lamp, light filling lamp drive control module and the infrared camera of CCD, and speed sensor connects light filling lamp drive control module, and infrared LED light filling lamp is connected to light filling lamp drive control module's output. The utility model discloses the voltage signal who gathers vehicle speed sensor changes the supply voltage of infrared light filling lamp into for this intelligence is assisted the driving system and can be at the luminance of the infrared LED light filling lamp of dynamic adjustment under the different speeds of a motor vehicle of driving at night, makes CCD infrared camera formation of image field of vision scope developments adjustable, satisfies the field of vision change demand that the speed of a motor vehicle change brought of traveling at night, improves and drives the security.
Description
Technical Field
The utility model relates to an automotive electronics technical field, more specifically say, relate to an intelligence driver assistance system suitable for driving night.
Background
At present, night driving safety is one of research focuses in the field of intelligent driving, an infrared camera is generally adopted for monitoring night driving, and an infrared night vision technology is divided into an active technology and a passive technology. The passive technology is used for carrying out infrared imaging by means of heat generated by a target, and has higher requirements on hardware and higher cost; active infrared is the observation achieved by actively illuminating the target and reflecting the infrared source light with the target.
When the night driving condition is poor, the imaging quality of the passive infrared technology is poor, the brightness of the infrared light source of the active infrared technology is constant, and the requirement of the vehicle speed change of the actual night driving on the imaging quality is not considered.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing an intelligence driver assistance system can drive under the different speeds of a motor vehicle at night the imaging condition of dynamic adjustment initiative infrared night vision system 30 for CCD (Charge Coupled Device) infrared camera imaging quality and field of vision scope satisfy the speed of a motor vehicle change demand of traveling at night, improve driving safety.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides an intelligence driver assistance system, include: speed sensor, wheel speed sensor, infrared night vision system, warning module and intelligent driving area controller, its characterized in that:
the infrared night vision system comprises 2 infrared LED light supplementing lamps, a light supplementing lamp driving control module and 1 CCD infrared camera, wherein the 2 infrared LED light supplementing lamps are respectively arranged on two sides of a front bumper of the vehicle, and the 1 CCD infrared camera is arranged at a rear-view mirror inside the vehicle;
a first output end of the vehicle speed sensor is connected with a first input end of the light supplement lamp driving control module, and output ends of the light supplement lamp driving control module are respectively connected with input ends of 2 infrared LED light supplement lamps;
the second output end of the vehicle speed sensor, the output end of the wheel speed sensor and the output end of the CCD infrared camera are respectively connected with the intelligent driving area controller; the first output end of the intelligent driving area controller is connected with the warning module, and the second output end of the intelligent driving area controller is connected with the second input end of the light supplementing lamp driving control module.
Preferably, the intelligent driving assistance system further comprises a light sensor and a vehicle-mounted camera;
the light sensor is arranged outside the vehicle and used for collecting environmental illumination information;
the quantity of on-vehicle camera is 4 at least, and wherein 1 is installed on vehicle inside rear-view mirror, and 2 are installed respectively on two rear-view mirrors of vehicle front side, and 1 is installed on vehicle rear windshield.
Preferably, the vehicle-mounted camera and the CCD infrared camera of the intelligent driving assistance system are connected to an ethernet switch through ethernet cables, respectively, and the ethernet switch is connected to the intelligent driving area controller.
Preferably, the intelligent driving assistance system further comprises 4 radars, 1 single line radar and 1 16 line radar are installed in the middle of a front bumper of the vehicle, and 1 single line radar is installed above each rear steering lamp of the vehicle.
Preferably, the intelligent driving assistance system further comprises a driver monitoring camera, and the driver monitoring camera is connected to the ethernet switch through an ethernet cable.
Preferably, the driver monitoring camera of the system adopts an image sensor with the model number OV 2778.
Preferably, the warning module includes a warning light and a buzzer.
Preferably, the intelligent driving area controller comprises an image processing module, and the image processing module is realized by adopting an FPGA and a DSP.
Preferably, the intelligent driving assistance system further comprises an automobile data recorder, and the automobile data recorder adopts an image sensor with the model number of AR 0431.
The utility model has the advantages that:
the utility model provides an intelligence driver assistance system, including speed sensor, the fast sensor of wheel, infrared night vision system, warning module and intelligent driving domain controller, infrared night vision system includes infrared LED light filling lamp, light filling lamp drive control module and the infrared camera of CCD, and speed sensor connects light filling lamp drive control module, and infrared LED light filling lamp is connected to light filling lamp drive control module's output. The utility model discloses the voltage signal who gathers vehicle speed sensor changes the supply voltage of infrared light filling lamp into for this intelligence is assisted the driving system and can be at the luminance of the infrared LED light filling lamp of dynamic adjustment under the different speeds of a motor vehicle of driving at night, makes CCD infrared camera formation of image field of vision scope developments adjustable, satisfies the field of vision change demand that the speed of a motor vehicle change brought of traveling at night, improves and drives the security.
Drawings
In order to illustrate the embodiments of the present invention more clearly, the drawings needed for the embodiments will be briefly described below, and it should be apparent that the drawings in the following description are only exemplary embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive effort from the provided drawings.
Fig. 1 is an embodiment of an intelligent driving assistance system provided by the present invention;
fig. 2 shows another embodiment of the intelligent driving assistance system provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, fig. 1 shows an embodiment of the intelligent assistant driving system provided by the present invention, which includes a vehicle speed sensor 10, a wheel speed sensor 20, an infrared night vision system 30, a warning module 50 and an intelligent driving area controller 40:
the infrared night vision system 30 comprises 2 infrared LED light supplementing lamps 302, a light supplementing lamp driving control module 301 and 1 CCD infrared camera 303, wherein the 2 infrared LED light supplementing lamps 302 are respectively arranged on two sides of a front bumper of the vehicle, and the 1 CCD infrared camera 303 is arranged on a rear-view mirror inside the vehicle;
a first output end of the vehicle speed sensor 10 is connected with a first input end of the light supplement lamp driving control module 301, and an output end of the light supplement lamp driving control module 301 is connected with input ends of the 2 infrared LED light supplement lamps 302;
the second output end of the vehicle speed sensor 10, the output end of the wheel speed sensor 20 and the output end of the CCD infrared camera 303 are respectively connected with the intelligent driving area controller 40; a first output end of the intelligent driving area controller 40 is connected with the warning module 50, and a second output end of the intelligent driving area controller 40 is connected with a second input end of the supplementary lighting lamp driving control module 301;
in the driving process at night, when the vehicle speed is required to be increased gradually, it is expected that the requirement on the visible distance in front of the vehicle is greater when the vehicle speed is higher, and the imaging quality needs to be correspondingly improved so as to prevent accidents caused by the fact that obstacles cannot be found in time;
when the light supplement lamp driving control module 301 works, a voltage signal acquired by the vehicle speed sensor 10 is input into the signal amplifier for amplification, and then the signal is input into the driving module, and the voltage output by the driving module is used as the power supply voltage of the infrared LED light supplement lamp 302, so that the higher the vehicle speed is, the higher the voltage output by the vehicle speed sensor 10 is, the higher the brightness of the input infrared LED light supplement lamp 302 is, and the automatic brightness adjustment of the infrared LED light supplement lamp 303 along with different vehicle speeds can be realized;
in order to prevent electric energy consumption caused by the fact that the infrared LED light supplement lamp is turned on when the vehicle is driven in daytime, when the illumination is sufficient, the light supplement lamp is not allowed to drive the control module 301 to work, and the infrared LED light supplement lamp is not on; on the contrary, when the illumination condition is poor, the enabling light supplement lamp driving control module 301 is enabled, the enabling signal can be specifically a high level signal, the corresponding enabling module can be a switch circuit, the control end of the switch circuit is connected with the enabling signal output by the intelligent driving area controller 40, the input end of the switch circuit is connected with the output end of the driving module, and the output end of the switch circuit is connected with the power supply voltage input end of the infrared LED light supplement lamp.
It should be noted that the light supplement lamp driving control module 301 can also be implemented in other forms, and the present invention is not limited thereto.
The output signal of the vehicle speed sensor 10 and the output signal of the wheel speed sensor 20 are simultaneously transmitted to the intelligent driving area controller 40, if the vehicle exceeds the speed limit or the wheel slip rate exceeds the safety range, the intelligent driving area controller 40 outputs a control signal to the warning module 50 to remind the driver of slowing down and speeding, and the driving safety is improved.
The embodiment of the utility model provides an intelligence driver assistance system, including speed sensor, the fast sensor of wheel, infrared night vision system, warning module and intelligent driving domain controller, infrared night vision system includes infrared LED light filling lamp, light filling lamp drive control module and the infrared camera of CCD, and speed sensor connects light filling lamp drive control module, and infrared LED light filling lamp is connected to light filling lamp drive control module's output. The utility model discloses the voltage signal who gathers vehicle speed sensor changes the supply voltage of infrared light filling lamp into for this intelligence is assisted the driving system and can be at the luminance of the infrared LED light filling lamp of dynamic adjustment under the different speeds of a motor vehicle of driving at night, makes CCD infrared camera formation of image field of vision scope developments adjustable, satisfies the field of vision change demand that the speed of a motor vehicle change brought of traveling at night, improves and drives the security.
Preferably, the above-mentioned intelligent driving range controller 40 includes an image processing module, and the image processing module is implemented by using an FPGA and a DSP. The real-time performance of the system can be improved by adopting the FPGA and the DSP, the FPGA finishes the preprocessing of the image information, the FPGA transmits the signal to the DSP for algorithm processing, and the DSP transmits the processed image information to the FPGA and transmits the processed image information to the display device through an output port of the FPGA.
Preferably, the warning module 50 in the intelligent driving assistance system may include a buzzer and a warning light, and when a dangerous condition occurs, the buzzer emits an alarm, and the warning light flashes at the same time, so that the warning function is strong, and the driver is easily alerted.
Referring to fig. 2, in another embodiment of the present invention, the intelligent assistant driving system further includes a light sensor 60 and a vehicle-mounted camera 70, wherein the light sensor 60 is installed outside the vehicle to collect the ambient light information; the number of the vehicle-mounted cameras 70 is at least 4, wherein 1 is arranged on the rearview mirror inside the vehicle, 2 are respectively arranged on the two rearview mirrors at the front side of the vehicle, and 1 is arranged on the rear windshield of the vehicle.
The light sensor 60 collects the external illumination condition information of the vehicle and transmits the information to the intelligent driving area controller 40, and when the illumination intensity meets the daytime driving condition, the intelligent driving area controller 40 controls 4 vehicle-mounted cameras 70 to collect images; when the illumination condition is weak, the intelligent driving area controller 40 controls the infrared night vision system 30 to work, and the driving requirements under different visibility conditions can be met.
Under different illumination conditions, different cameras are adopted for illumination collection, and the driving requirements in the daytime and at night can be met simultaneously.
The light sensor 60 can be implemented by a photo-resistor, and of course, the light sensor 60 can also be implemented by other forms, which the present invention is not limited to.
Referring to fig. 2, in another embodiment of the present invention, the vehicle-mounted camera 70 and the CCD infrared camera 303 are respectively connected to the ethernet switch 80 through ethernet cables, and the ethernet switch 80 is connected to the intelligent driving area controller 40.
Because the number of the vehicle-mounted cameras 70 and the number of the CCD infrared cameras 303 are multiple, the real-time performance of data transmission can be ensured by adopting the Ethernet for data transmission, the signal delay from a data acquisition end to a processing end is reduced, the real-time fusion of camera data is facilitated, and the safety of auxiliary driving is greatly improved.
Referring to fig. 2, in another embodiment of the present invention, the intelligent driving assistance system further includes 4 radars 90, 1 single line radar and 1 16 line radar are installed at the center of the front bumper of the vehicle, and 1 single line radar is respectively installed above the rear steering lamp of the vehicle.
Compared with a camera, the radar 90 has the advantages of long detection distance and all weather, but has the defects of low resolution and precision, imaging failure and capability of accurately detecting driving obstacles by combining the radar with an infrared camera, so that the driving safety is improved.
Referring to fig. 2, in another embodiment of the present invention, the intelligent driving assistance system further includes a driver monitoring camera 100, and the driver monitoring camera 100 is connected to the ethernet switch 80 through an ethernet cable. The real-time requirement of data transmission can be met.
Preferably, the driver monitoring camera 100 is internally integrated with an OV2778 type image sensor, the OV2778 sensor adopts a Chip Scale Package (CSP) technology, the size is only 6.5x5.7 mm, the size is small, the integration level is high, meanwhile, in secondary exposure, the dynamic range of the sensor can be increased to 120dB, an RGB-IR and 4x4 mode color filter and an external frame synchronization function are integrated, the low light sensitivity is high, the imaging quality is excellent even at night, and the driver monitoring camera is suitable for all-weather driver monitoring requirements.
Preferably, the utility model provides a warning module 50 can include bee calling organ and warning light, and when the dangerous situation appeared, bee calling organ sent out the police dispatch newspaper, and the warning light scintillation simultaneously, the warning effect is stronger, arouses driver's alert easily.
Referring to fig. 2, the utility model provides a further embodiment, intelligence driver assistance system still includes vehicle event data recorder 110, vehicle event data recorder 110 internal integration model is AR 0431's image sensor, AR0431 is then a 1/3.2 inch 400 ten thousand pixel image sensors based on 2.0umBSI pixel technology platform, a plurality of low-power consumption modes are provided, the highest 120fps of frame rate, the ann's america NIR + technique and the BSI pixel platform that adopt, better formation of image quality and low light performance have, can satisfy the demand of vehicle event data recorder 110 of traveling night better.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An intelligent driver assistance system comprising: speed sensor, wheel speed sensor, infrared night vision system, warning module and intelligent driving area controller, its characterized in that:
the infrared night vision system comprises 2 infrared LED light supplementing lamps, a light supplementing lamp driving control module and 1 CCD infrared camera, wherein the 2 infrared LED light supplementing lamps are respectively arranged on two sides of a front bumper of the vehicle, and the 1 CCD infrared camera is arranged at a rearview mirror inside the vehicle;
a first output end of the vehicle speed sensor is connected with a first input end of the light supplement lamp driving control module, and output ends of the light supplement lamp driving control module are respectively connected with input ends of the 2 infrared LED light supplement lamps;
the second output end of the vehicle speed sensor, the output end of the wheel speed sensor and the output end of the CCD infrared camera are respectively connected with the intelligent driving area controller; the first output end of the intelligent driving area controller is connected with the warning module, and the second output end of the intelligent driving area controller is connected with the second input end of the light supplementing lamp driving control module.
2. The intelligent driver assistance system of claim 1, further comprising a light sensor and a vehicle-mounted camera;
the light sensor is arranged outside the vehicle and used for collecting environmental illumination information;
the number of the vehicle-mounted cameras is at least 4, wherein 1 vehicle-mounted camera is mounted on a rearview mirror inside a vehicle, 2 vehicle-mounted cameras are respectively mounted on two rearview mirrors on the front side of the vehicle, and 1 vehicle-mounted camera is mounted on a rear windshield of the vehicle.
3. The intelligent driving assistance system according to claim 2, wherein the vehicle-mounted camera and the CCD infrared camera are respectively connected to an ethernet switch through ethernet cables, and the ethernet switch is connected to the intelligent driving area controller.
4. The intelligent assistant driving system according to claim 3, further comprising 4 radars, wherein 1 single-line radar and 1 16-line radar are installed at the center of a front bumper of the vehicle, and 1 single-line radar is installed above each rear steering lamp of the vehicle.
5. The intelligent driver assistance system of claim 3, further comprising a driver monitoring camera connected to the Ethernet switch by an Ethernet cable.
6. The intelligent driver assistance system of claim 5, wherein the driver monitoring camera is an image sensor of type OV 2778.
7. The intelligent driver assistance system of claim 1, wherein the warning module comprises a warning light and a buzzer.
8. The intelligent driving assistance system according to any one of claims 1 to 7, wherein the intelligent driving area controller comprises an image processing module, and the image processing module is implemented by adopting an FPGA and a DSP.
9. The intelligent driver assistance system of claim 1, further comprising an automobile data recorder employing an image sensor model AR 0431.
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| CN201921466714.6U CN210526396U (en) | 2019-09-05 | 2019-09-05 | Intelligent auxiliary driving system |
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| CN201921466714.6U CN210526396U (en) | 2019-09-05 | 2019-09-05 | Intelligent auxiliary driving system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200002A (en) * | 2021-05-26 | 2021-08-03 | 上汽通用五菱汽车股份有限公司 | Active safety domain controller, control system and control method |
| CN114827485A (en) * | 2022-04-25 | 2022-07-29 | 智道网联科技(北京)有限公司 | Light supplementing method and system for vehicle camera |
| CN118514608A (en) * | 2024-07-24 | 2024-08-20 | 比亚迪股份有限公司 | Vision device, vehicle outside rear-view mirror system and vehicle |
-
2019
- 2019-09-05 CN CN201921466714.6U patent/CN210526396U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113200002A (en) * | 2021-05-26 | 2021-08-03 | 上汽通用五菱汽车股份有限公司 | Active safety domain controller, control system and control method |
| CN114827485A (en) * | 2022-04-25 | 2022-07-29 | 智道网联科技(北京)有限公司 | Light supplementing method and system for vehicle camera |
| CN118514608A (en) * | 2024-07-24 | 2024-08-20 | 比亚迪股份有限公司 | Vision device, vehicle outside rear-view mirror system and vehicle |
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