CN102831670B - Driving recorder and method of analyzing driving behaviors by using same - Google Patents
Driving recorder and method of analyzing driving behaviors by using same Download PDFInfo
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- CN102831670B CN102831670B CN201210286091.0A CN201210286091A CN102831670B CN 102831670 B CN102831670 B CN 102831670B CN 201210286091 A CN201210286091 A CN 201210286091A CN 102831670 B CN102831670 B CN 102831670B
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Abstract
The invention discloses a driving recorder which comprises a CPU processor and further comprises a GPS data receiver and a photographic sensor which are connected with the CPU processor. The CPU processor is further connected with an SD memory card and a display; both a memory output module and an NADA flash memory module are arranged between and connected with the CPU processor and the display. According to the invention, the problem that driving recorders in the prior art can not analyze a variety of indexes of driving behaviors is overcome; a variety of relevant parameters like illegal speeding, rapid acceleration, rapid braking, an instable vehicle speed, idling time and swinging states in the process of driving can be detected by using the driving recorder and detection results are combined with a wheelpath detected by the GPS data receiver and are displayed on an image screen, which enables a driver to clearly spot aberrant behaviors in the process of driving, and therefore, the driver is reminded that he should improve his driving behaviors.
Description
Technical field
A kind of method that the present invention relates to drive recorder and utilize this drive recorder to analyze driving behavior.
Background technology
Since drive recorder releases market, can make video recording in detail to the road conditions in driving conditions, and in conjunction with GPS track record driving path and the speed of a motor vehicle.But existing drive recorder can not analyze the various indexs of driving behavior, as the violation hypervelocity in driving process, various driving behaviors such as suddenly accelerating, bring to a halt or vacillate now to the left, now to the right, existing drive recorder can not be recorded as index form display on a display screen, to remind human pilot to improve driving behavior, improve travel safety.
Summary of the invention
A kind of method that the invention provides drive recorder and utilize this drive recorder to analyze driving behavior, various driving behaviors in vehicle travel process can be analyzed, and analysis result is presented on image frame, improve driving behavior to remind human pilot.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is:
A kind of drive recorder, comprise CPU processor, also comprise the gps data receiver and image sensor that are connected with described CPU processor, described CPU processor is also connected with SD memory card and display, be connected with internal memory output module between described CPU processor and display, between described CPU processor and display, be also connected with NADA flash memory module.
Aforesaid a kind of drive recorder, is characterized in that: described CPU processor is also connected with gravity sensor.
The method utilizing aforementioned drive recorder to analyze driving behavior, is characterized in that: comprise the steps:
(1) image information in image sensor collection driving conditions is utilized; Utilize the latitude and longitude coordinates in gps data receiver collection driving conditions and speed; Gravity sensor is utilized to gather the acceleration of gravity of X, Y, Z axis in driving conditions;
(2) the various information gathered in step (1) are stored in SD card;
(3) set the height threshold value of various correlation parameter by display, and this threshold value is stored in NADA flash memory module;
(4) image information in SD card is shown on display by internal memory output module, and by CPU processor, the latitude and longitude coordinates stored in SD card is converted to track and is presented on image frame by internal memory output module;
(5) by SD card store speed parameter by obtaining the index parameter of anxious acceleration, thrust after CPU processor, and the parameter set in this index parameter and NADA flash memory module is compared, if not in setting range, then by image frame and track display, and calculate its number of times not in setting range by CPU processor, be presented on image frame by internal memory output module;
(6) by the acceleration of gravity in latitude and longitude coordinates and X, Y, Z axis direction in SD card, calculated by CPU processor and wave situation in vehicle travel process, and by internal memory output module, result is presented on image frame.
The invention has the beneficial effects as follows: by the violation hypervelocity in drive recorder detecting driving conditions, anxious to accelerate, bring to a halt, speed of a motor vehicle shakiness, dead time, wave the various correlation parameters such as situation, and detecting result is presented on image frame in conjunction with the wheelpath that gps data receiver detects, make the open-and-shut driving abnormal behaviour known in driving conditions of human pilot, improve driving behavior to remind human pilot.
Accompanying drawing explanation
Fig. 1 is the model calling schematic diagram of drive recorder of the present invention.
Embodiment
Below in conjunction with Figure of description, the present invention is further illustrated.
As shown in Figure 1, a kind of drive recorder, comprise CPU processor, also comprise the gps data receiver and image sensor that are connected with described CPU processor, described CPU processor is also connected with SD memory card and display, be connected with internal memory output module between described CPU processor and display, between described CPU processor and display, be also connected with NADA flash memory module, described CPU processor is also connected with gravity sensor.
The method utilizing this drive recorder to analyze driving behavior, comprises the steps:
(1) image information in image sensor collection driving conditions is utilized; Utilize the latitude and longitude coordinates in gps data receiver collection driving conditions and speed; Gravity sensor is utilized to gather the acceleration of gravity of X, Y, Z axis in driving conditions;
(2) the various information gathered in step (1) are stored in SD card;
(3) set the height threshold value of various correlation parameter by display, and this threshold value is stored in NADA flash memory module, as the trigger condition judged the various parameter collected;
(4) image information in SD card is shown on display by internal memory output module, and by CPU processor, the latitude and longitude coordinates stored in SD card is converted to track and is presented on image frame by internal memory output module;
(5) by SD card store speed parameter by obtaining the index parameter of anxious acceleration, thrust after CPU processor, and the parameter set in this index parameter and NADA flash memory module is compared, if not in setting range, then by image frame and track display, and calculate its number of times not in setting range by CPU processor, be presented on image frame by internal memory output module;
(6) by the acceleration of gravity in latitude and longitude coordinates and X, Y, Z axis direction in SD card, calculated by CPU processor and wave situation in vehicle travel process, and by internal memory output module, result is presented on image frame.
By above-mentioned steps 1-step 6, image sensor gathers the image information in driving conditions, utilize the various height threshold values of setting as trigger condition, the speed parameter in driving process is gathered by gps data receiver, achieve exceeding the speed limit in violation of rules and regulations in vehicle travel process, bring to a halt, anxious urgent deceleration, dead time detecting, and by its number of times of CPU processor for recording.
Gathered the acceleration of gravity of X, Y, Z axis in driving conditions by gravity sensor, CPU processor calculates and waves situation in vehicle travel process.
According to hypervelocity, anxious urgent deceleration and brake miscarriage judge the index of traffic safety in violation of rules and regulations; According to anxious urgent deceleration, bring to a halt and dead time as the index judging then loss; According to anxious urgent deceleration, bring to a halt and vehicle roll degree as the index judging driving comfort level.
Driving recorder coordinates the broadcasting of video file, take top as north, below is south, right side is east, to be west draw the GPS longitude and latitude variation track play when time point in left side, the velocity variations that driving recorder occurs for each pointer calculates the number of times exceeding setting threshold value, coordinate the drafting of GPS track, be presented on the track of origination point, allow user very clear know which section to produce abnormal speed behavior in.
In sum, a kind of register provided by the invention and the method utilizing this drive recorder to analyze driving behavior, various driving behaviors in vehicle travel process can be analyzed, and analysis result is presented on image frame, improve driving behavior to remind human pilot.
More than show and describe ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is by appending claims and equivalent circle thereof.
Claims (1)
1. the method utilizing drive recorder to analyze driving behavior, this drive recorder, comprise CPU processor, also comprise the gps data receiver and image sensor that are connected with described CPU processor, described CPU processor is also connected with SD memory card and display, internal memory output module is connected with between described CPU processor and display, NADA flash memory module is also connected with between described CPU processor and display, described CPU processor is also connected with gravity sensor, it is characterized in that: comprise the steps:
(1) image information in image sensor collection driving conditions is utilized; Utilize the latitude and longitude coordinates in gps data receiver collection driving conditions and speed; Gravity sensor is utilized to gather the acceleration of gravity of X, Y, Z axis in driving conditions;
(2) the various information gathered in step (1) are stored in SD card;
(3) set the height threshold value of various correlation parameter by display, and this threshold value is stored in NADA flash memory module;
(4) image information in SD card is shown on display by internal memory output module, and by CPU processor, the latitude and longitude coordinates stored in SD card is converted to track and is presented on image frame by internal memory output module;
(5) by SD card store speed parameter by obtaining the index parameter of anxious acceleration, thrust after CPU processor, and the parameter set in this index parameter and NADA flash memory module is compared, if not in setting range, then by image frame and track display, and calculate its number of times not in setting range by CPU processor, be presented on image frame by internal memory output module;
(6) by the acceleration of gravity in latitude and longitude coordinates and X, Y, Z axis direction in SD card, calculated by CPU processor and wave situation in vehicle travel process, and by internal memory output module, result is presented on image frame.
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| CN201210286091.0A CN102831670B (en) | 2012-08-13 | 2012-08-13 | Driving recorder and method of analyzing driving behaviors by using same |
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| CN102831670B true CN102831670B (en) | 2015-02-11 |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US9026271B1 (en) | 2013-12-31 | 2015-05-05 | Glenn Madden | Vehicular accelerometer and vehicular data recording system |
| CN104158846A (en) * | 2014-07-16 | 2014-11-19 | 深圳市凯伦圣科技有限公司 | Driving behavior analysis method and system |
| CN104616366A (en) * | 2015-01-05 | 2015-05-13 | 深圳市元征软件开发有限公司 | Driving data processing method and device |
| CN105235520B (en) * | 2015-06-30 | 2018-09-07 | 遵义师范学院 | A kind of driving behavior recording device based on FPGA |
| CN105761326A (en) * | 2016-02-01 | 2016-07-13 | 深圳市凯立德科技股份有限公司 | Method and device for managing vehicle traveling data, and equipment |
| CN106157388B (en) * | 2016-07-06 | 2018-08-14 | 福州瑞芯微电子股份有限公司 | The driving recording method of local coding and system |
| CN108175427A (en) * | 2017-12-26 | 2018-06-19 | 深圳先进技术研究院 | Rodent anxiety level test experiments track display method and device |
| CN108921977A (en) * | 2018-07-16 | 2018-11-30 | 东北林业大学 | A kind of vehicle carried driving person's abnormal driving behavioral value device and detection method |
| CN112070927A (en) * | 2020-08-28 | 2020-12-11 | 浙江省机电设计研究院有限公司 | Highway vehicle microscopic driving behavior analysis system and analysis method |
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| JP4531077B2 (en) * | 2007-05-31 | 2010-08-25 | 富士通テン株式会社 | Vehicle running state display device |
| US20100194887A1 (en) * | 2007-09-28 | 2010-08-05 | Kohhei Ono | Method for displaying vehicle driving conditions |
| JP4866384B2 (en) * | 2008-03-28 | 2012-02-01 | 株式会社デンソーアイティーラボラトリ | Drive video summarization device |
| CN101510332B (en) * | 2008-12-25 | 2013-04-24 | 北京握奇数据系统有限公司 | Method and apparatus for managing memory space of smart card |
| CN102542630A (en) * | 2010-12-17 | 2012-07-04 | 海德威电子工业股份有限公司 | Driving information system |
| CN202205244U (en) * | 2011-08-19 | 2012-04-25 | 创研光电股份有限公司 | Running vehicle recorder for two-wheel or three-wheel vehicles |
| CN202795501U (en) * | 2012-08-13 | 2013-03-13 | 天瀚科技(吴江)有限公司 | Driving recorder |
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