CN201928386U - Driving-environment information and driving-state information integrated-acquisition device - Google Patents
Driving-environment information and driving-state information integrated-acquisition device Download PDFInfo
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- CN201928386U CN201928386U CN2010206716760U CN201020671676U CN201928386U CN 201928386 U CN201928386 U CN 201928386U CN 2010206716760 U CN2010206716760 U CN 2010206716760U CN 201020671676 U CN201020671676 U CN 201020671676U CN 201928386 U CN201928386 U CN 201928386U
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Abstract
The utility model relates to a driving-environment information and driving-state information integrated-acquisition device, which comprises a control module and six video cameras, wherein a NO. 1 video camera is used for acquiring the face-state information of a driver; and a NO. 2 video camera is used for acquiring the upper-limb operating information of the driver, a NO. 3 video camera is used for acquiring the foot acting information of the driver, a NO. 4 video camera and a NO. 5 video camera are used for acquiring the front-environment road-condition information of a vehicle, a NO. 6 video camera is used for acquiring the rear-environment road-condition information of the vehicle, a steering wheel torque and rotary-angle sensor is installed below a steering wheel, a braking-acceleration sensor is installed at the mass center of the vehicle, a braking-pedal force sensor and a braking-pedal stroke sensor are installed below a braking pedal, and a GPS (Global Positioning System) receiver, an external clock, a program memory, a data memory and a hard disk are respectively connected with the corresponding interfaces of the control module. The device can be used for synchronously acquiring traffic three-element data; and therefore the interaction of driver conditions, traffic conditions and road conditions is analyzed, the safety of vehicle driving is improved, and traffic accidents are reduced.
Description
Technical field
The utility model belongs to intelligent transportation field, relates to traffic information collecting apparatus.
Background technology
Fast development along with economy, automobile pollution sharply increases, guarantee vehicle safe driving, reduce the generation of traffic accident, become the problem of people's growing interest and research, the factor of guaranteeing vehicle safe driving is a lot, but wherein most importantly driver's situation (driver's operation behavior), traffic (vehicle-surroundings environment), condition of road surface (pavement conditions) three elements.
The vehicle running recording instrument of on commerial vehicle, installing at present, running state data that can only single registration of vehicle, can not do the data in synchronization collection to driver's situation (driver's operation behavior), traffic (vehicle-surroundings environment), condition of road surface (pavement conditions) synchronously, thereby can't analyze the occurrence cause of traffic accident, also can't correctly conclude accident mechanism, can't direct drivers when running into emergency standard operation how.Therefore need to set up driving environment integrated comprehensive acquisition system towards safety.At present, still there is not to gather simultaneously the synchronizer of people, car, road information on the market.
The utility model content
For addressing the above problem, the purpose of this utility model provides a kind of driving environment information and driving condition information integration harvester, can under natural driving condition, carry out real-time synchronous acquisition and storage to driver's situation (driver's operation behavior), traffic (vehicle-surroundings environment), condition of road surface (pavement conditions); The integrated data of gathering is used for analyzing the influence that the traffic safety of traffic three elements interaction partners produces.
For achieving the above object, the utility model is by the following technical solutions:
A kind of driving environment information and driving condition information integration harvester, comprise control module, video camera, the vehicle-state transducer, the GPS receiver, external clock, program storage, data storage, hard disk, the signal condition module, it is characterized in that: described control module is made of the microcontroller of TMS320DM6467 model, video camera has six, a video camera is placed on the left front of operating seat, gather driver's facial state information, No. two video cameras are placed on the right front of operating seat, gather driver's upper limbs motion action information, No. three video cameras are placed on the below of operating seat, gather driver's foot action state information, No. four, No. five video cameras are placed on the left side of vehicle front bumper respectively, right two ends, collection vehicle the place ahead traffic information, No. six video camera is placed in the middle of the vehicle rear bumper, collection vehicle rear traffic information, the vehicle-state transducer has four, be respectively steering wheel moment and rotary angle transmitter, the braking acceleration transducer, the brake pedal force transducer, brake-pedal-travel sensor, steering wheel moment and rotary angle transmitter are installed in the below of steering wheel, the moment and the corner information of feedback steering wheel, the braking acceleration transducer is installed in the barycenter place of vehicle, measure the acceleration of car load, brake pedal force transducer and brake-pedal-travel sensor all are installed in the below of brake pedal, pedal force when the regenerative braking pedal is operated respectively and displacement, above-mentioned No. one, No. two, No. three video camera is connected with three inputs of a Video Decoder, No. four, No. five, No. six video camera is connected with three inputs of No. two Video Decoders, No. one, the output of No. two Video Decoders is connected with the input of two digital video signals of control module, described steering wheel moment and rotary angle transmitter, the braking acceleration transducer, the brake pedal force transducer, brake-pedal-travel sensor all is connected with the input of signal condition module, the output of signal condition module is connected with the input end of analog signal mouth of analog to digital converter, the digital signal output end mouth of analog to digital converter and the I of control module
2The C bus interface connects, the GPS receiver is connected with the serial communication interface of control module, external clock is connected with the clock interface of control module, program storage is connected with the asynchronous serial memory interface of control module, data storage is connected with the synchronous serial memory interface of control module, and the address port of hard disk is connected with the hard-disk interface of control module with data bus driver through address bus driver respectively with FPDP.
The utility model has following positive beneficial effect:
This device can be under the prerequisite of not disturbing normal driving, driver's situation, traffic and condition of road surface and be stored on the hard disk in accurate, the full and accurate registration of vehicle driving process in real time,, the scientific research personnel can take out the multi-source data of gathering by USB interface, utilize behavioural analysis software that multi-source data is merged, reconstruct road environment and driving behavior; Operation behavior according to the data analysis driver of merging, the influence that the interaction partners traffic safety of vehicle-surroundings environment and pavement conditions produces, and the potential cause of traffic accident generation, as the driver to front vehicles information (spacing, the speed of a motor vehicle etc.) and traffic information (barrier, zig zag, the wet and slippery degree in road surface etc.) dangerous cognitive degree, and run into irrational driver's behavioural characteristic when alarmed or alarmed falsely of emergency, thereby accident mechanism is summarized, prevent trouble before it happens, direct drivers is how proper operation when corresponding emergency, improve the fail safe of vehicle ', reduce the traffic accident odds.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Please refer to Fig. 1, the utility model is a kind of driving environment information and driving condition information integration harvester, comprise vehicle-state transducer, GPS receiver, video camera, control module, program storage, data storage, hard disk, external clock, signal condition module, control module adopts the microcontroller of TMS320DM6467 model, and video camera has six:
A video camera is placed on the left front of operating seat, gathers driver's facial state information.
No. two video cameras are placed on the right front of operating seat, gather driver's upper limbs motion action information.
No. three video cameras are placed on the below of operating seat, gather driver's foot action state information.
No. four, No. five video cameras are placed on the left and right two ends of vehicle front bumper respectively, collection vehicle the place ahead traffic information.
No. six video camera is placed in the middle of the vehicle rear bumper, collection vehicle rear traffic information.
The vehicle-state transducer has four: be respectively steering wheel moment and rotary angle transmitter (model is FCA7300), braking acceleration transducer (model is FA101-A1-5-L), brake pedal force transducer (model is FN2570-6-L3), brake-pedal-travel sensor (model is WDS-300-MPW-C-P)
Steering wheel moment and rotary angle transmitter are installed in the below of steering wheel, the moment and the corner information of feedback steering wheel.
The braking acceleration transducer is installed in the barycenter place of vehicle, measures the acceleration of car load.
Brake pedal force transducer, brake-pedal-travel sensor all are installed in the below of brake pedal, pedal force when the regenerative braking pedal is operated respectively and displacement.
Steering wheel moment all is connected with the input of signal condition module with rotary angle transmitter, braking acceleration transducer, brake pedal force transducer, brake-pedal-travel sensor.
The output of signal condition module is connected with the input end of analog signal mouth of analog to digital converter.
The digital signal output end mouth of analog to digital converter and the I of control module TMS320DM6467
2C bus interface SDA, SCL connect.
Analog to digital converter adopts analog to digital converter (ADC) ADS7828 of 12 SAR frameworks of single channel of Texas Instrument (TI) release, and this device is supported I
2The C bus, and adopt unique analog input framework, sampling rate can provide the signal to noise ratio (snr) of 72dBFS up to 50kHz, only 2.25 watts of power consumptions, and digital signal is according to I
2C bus protocol serial output.
No. one, No. two, No. three above-mentioned video cameras are connected with three inputs of a Video Decoder, No. four, No. five, No. six video camera is connected with three inputs of No. two Video Decoders, the output of No. one, No. two Video Decoder is connected with input port VPORT1, the VPORT2 of two digital video signals of control module respectively
The model of No. one, No. two Video Decoder all is TVP5158, and TVP5158 is a brand-new 4 passage modulus (A/D) Video Decoders that TIX (TI) releases, and is fit to very much the application of the many inputs of video.Each passage that its distinguishing feature is TVP5158 all adopts programmable horizontal/vertical (H/V) converter, allow dwindling of image export ratio, and can provide multiple option, with single output or the output simultaneously of supporting full-scale or scaled image, thereby alleviated the processing burden of microcontroller.
TMS320DM6467 has realized the seamless delivery of content transmission between various video terminal products.It is integrated ARM926EJ-S kernel and 600MHz C64x+DSP kernel, and adopt HD video/image coprocessor (HD-VICP), video data transform engine and target video port interface.Have 64 passage enhancement mode dma controller EDMA3 on the sheet, support the transmission of complicated data type, help the high efficiency of transmission and the format change of view data.TMS320DM6467 has abundant external memory interface: 32 of a special use, the DDR2 memory interface of 200MHz, 256M byte addressing space are used to connect at a high speed, jumbo DDR2 memory, with storage code and data; One 8, the asynchronous memory interface of 64M byte addressing space are used to connect 8 Nor Flash or Nand Flash, solidify code with storage; And 10/100M Ethernet interface and high speed USB 2.0 principal and subordinate interfaces.Simultaneously, TMS320DM6467 has the video input interface of two special uses, can be connected with digital video signal source easily, and have the video preprocessor processing capacity, supports a plurality of video window management and the text data that superposes on video pictures; In addition, TMS320DM6467 has I
2C bus and 32 pci buss, wherein 32 pci buss can make things convenient for PC and are connected, and realize the concurrent working of many plates.
GPS receiver (double frequency Novatel) is connected with the serial communication interface UART of control module TMS320DM6467, external clock is connected with the clock interface CLOCK of control module TMS320DM6467, the model of external clock is DS1302, program storage is connected with the asynchronous serial memory interface EMIFA of control module TMS320DM6467, the model of program storage is AM29LV800DB, data storage is connected with the synchronous serial memory interface DDR2EMIF of control module TMS320DM6467, the model of data storage is HY57V561620, and the address port of hard disk DR40 passes through address bus driver (model is 74HC245) respectively with FPDP and is connected with the hard-disk interface ATA of control module TMS320DM6467 with data bus driver (model is SN74LVTH16245).
This device is finished collection to the driver's operation behavior by means of steering wheel moment and rotary angle transmitter, braking acceleration transducer, brake pedal force transducer, brake-pedal-travel sensor and No. one, No. two, No. three video cameras, by GPS (global positioning system) receiver, finish collection to vehicle position information; Finish collection by No. four, No. five, No. six video cameras, and be stored on the hard disk vehicle-surroundings information and condition of road surface; The scientific research personnel takes out the multi-source data of gathering by USB interface, utilizes behavioural analysis software that multi-source data is merged, the reconstruct road environment.
TMS320DM6467 provides detachable video inputs mouth of 16bit and the detachable video-out port of 16bit, and input and output port can use as the interface of 2 8bit.This programme input port has been expanded 2 TVP5158, can realize the collection of 8 road images at most.In the process of data processing, because image data amount is very big, the TMS320DM6467 internal memory is limited, so outside extender memory of system and data storage are as program and data buffer zone.On device is selected, program storage is selected for use 8Mbit Flash memory AM29LV800DB can electricity erasable, power down protection, data width can be configured to 8 or 16.Data storage is selected the HY57V561620 of Hynix company for use, and this device is the synchronous high-speed dynamic memory of a 4Bankx4Mxl6Bit, can satisfy the needs of data buffering.Simultaneously, be the characteristics of the big capacity storage of adaptive video data, also adopted the hard-disc storage mode.
Because time information corresponding was made corresponding record when the integrated harvester of integrated information need take place state, so that the use of analysis afterwards, so need detailed temporal information.Because the real-time of time is had relatively high expectations, and when system cut-off, clock still will move, so select to possess the detection of power loss function and provide additional electrical battery-powered clock chip DS1302.DS1302 is the trickle charge clock chip that U.S. DALLAS company releases, and includes the static RAM (SRAM) of a real-time clock/calendar and 31 bytes, can communicate by serial line interface and microcontroller.Its real-time clock/calendar circuit can provide second, branch, the time, day, phase, the moon, year information, the fate of every month and the fate in leap year can be adjusted automatically.Low in energy consumption and support stand-by power supply power supply during this chip operation.
The advantage of this device be can integrated collection people bus or train route integrated information, abundanter visual video data is arranged, more directly perceived, make the data of record can better study the mechanism that influences of people's bus or train route interaction partners traffic safety.Improve the fail safe of vehicle ', reduce the traffic accident odds.
Claims (1)
1. driving environment information and driving condition information integration harvester, comprise control module, video camera, the vehicle-state transducer, the GPS receiver, external clock, program storage, data storage, hard disk, the signal condition module, it is characterized in that: described control module is made of the microcontroller of TMS320DM6467 model, video camera has six, a video camera is placed on the left front of operating seat, gather driver's facial state information, No. two video cameras are placed on the right front of operating seat, gather driver's upper limbs motion action information, No. three video cameras are placed on the below of operating seat, gather driver's foot action state information, No. four, No. five video cameras are placed on the left side of vehicle front bumper respectively, right two ends, collection vehicle the place ahead traffic information, No. six video camera is placed in the middle of the vehicle rear bumper, collection vehicle rear traffic information, the vehicle-state transducer has four, be respectively steering wheel moment and rotary angle transmitter, the braking acceleration transducer, the brake pedal force transducer, brake-pedal-travel sensor, steering wheel moment and rotary angle transmitter are installed in the below of steering wheel, the moment and the corner information of feedback steering wheel, the braking acceleration transducer is installed in the barycenter place of vehicle, measure the acceleration of car load, brake pedal force transducer and brake-pedal-travel sensor all are installed in the below of brake pedal, pedal force when the regenerative braking pedal is operated respectively and displacement, above-mentioned No. one, No. two, No. three video camera is connected with three inputs of a Video Decoder, No. four, No. five, No. six video camera is connected with three inputs of No. two Video Decoders, No. one, the output of No. two Video Decoders is connected with the input of two digital video signals of control module, described steering wheel moment and rotary angle transmitter, the braking acceleration transducer, the brake pedal force transducer, brake-pedal-travel sensor all is connected with the input of signal condition module, the output of signal condition module is connected with the input end of analog signal mouth of analog to digital converter, the digital signal output end mouth of analog to digital converter and the I of control module
2The C bus interface connects, the GPS receiver is connected with the serial communication interface of control module, external clock is connected with the clock interface of control module, program storage is connected with the asynchronous serial memory interface of control module, data storage is connected with the synchronous serial memory interface of control module, and the address port of hard disk is connected with the hard-disk interface of control module with data bus driver through address bus driver respectively with FPDP.
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| CN2010206716760U CN201928386U (en) | 2010-12-21 | 2010-12-21 | Driving-environment information and driving-state information integrated-acquisition device |
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| CN2010206716760U CN201928386U (en) | 2010-12-21 | 2010-12-21 | Driving-environment information and driving-state information integrated-acquisition device |
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| CN201928386U true CN201928386U (en) | 2011-08-10 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102750755A (en) * | 2012-06-11 | 2012-10-24 | 上海博闻汽车配件有限公司 | Implementation method for vehicle driving positioning video safety system host |
| CN102874173A (en) * | 2012-10-21 | 2013-01-16 | 李良杰 | Driver feet operation monitoring system based on thermal imagery |
| WO2015106690A1 (en) * | 2014-01-15 | 2015-07-23 | 国防科学技术大学 | Method and device for detecting safe driving state of driver |
| CN105043444A (en) * | 2015-07-06 | 2015-11-11 | 湖南湖大艾盛汽车技术开发有限公司 | Man-machine engineering data measuring system and measuring method based on pedal interaction |
| CN108140309A (en) * | 2015-11-20 | 2018-06-08 | 三菱电机株式会社 | Drive assistance device, driving assistance system, driving assistance method and driving auxiliary program |
| CN108961682A (en) * | 2018-07-25 | 2018-12-07 | 湖南德禾农业电商科技有限公司 | A kind of passenger stock safety management monitoring system |
| CN114248490A (en) * | 2021-12-06 | 2022-03-29 | 汇源印刷包装科技（天津）股份有限公司 | Automatic fault self-checking system of box making machine |
| CN114655136A (en) * | 2020-12-23 | 2022-06-24 | 丰田自动车株式会社 | Vehicle control system, vehicle control method, control device, and storage medium |
-
2010
- 2010-12-21 CN CN2010206716760U patent/CN201928386U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102750755A (en) * | 2012-06-11 | 2012-10-24 | 上海博闻汽车配件有限公司 | Implementation method for vehicle driving positioning video safety system host |
| CN102874173A (en) * | 2012-10-21 | 2013-01-16 | 李良杰 | Driver feet operation monitoring system based on thermal imagery |
| WO2015106690A1 (en) * | 2014-01-15 | 2015-07-23 | 国防科学技术大学 | Method and device for detecting safe driving state of driver |
| CN105043444A (en) * | 2015-07-06 | 2015-11-11 | 湖南湖大艾盛汽车技术开发有限公司 | Man-machine engineering data measuring system and measuring method based on pedal interaction |
| CN105043444B (en) * | 2015-07-06 | 2018-05-11 | 湖南湖大艾盛汽车技术开发有限公司 | The measuring system and measuring method of human engineering data based on pedal interaction |
| CN108140309A (en) * | 2015-11-20 | 2018-06-08 | 三菱电机株式会社 | Drive assistance device, driving assistance system, driving assistance method and driving auxiliary program |
| CN108140309B (en) * | 2015-11-20 | 2020-12-08 | 三菱电机株式会社 | Driving support device, driving support system, and driving support method |
| CN108961682A (en) * | 2018-07-25 | 2018-12-07 | 湖南德禾农业电商科技有限公司 | A kind of passenger stock safety management monitoring system |
| CN114655136A (en) * | 2020-12-23 | 2022-06-24 | 丰田自动车株式会社 | Vehicle control system, vehicle control method, control device, and storage medium |
| CN114655136B (en) * | 2020-12-23 | 2024-02-20 | 丰田自动车株式会社 | Vehicle control system, vehicle control method, control device, and storage medium |
| CN114248490A (en) * | 2021-12-06 | 2022-03-29 | 汇源印刷包装科技（天津）股份有限公司 | Automatic fault self-checking system of box making machine |
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Granted publication date: 20110810 |
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| CX01 | Expiry of patent term |