Utility model content
The utility model embodiment provides a kind of intelligent anti-theft drive recorder, solves current drive recorder and only can record driving states, but cannot solve technical matters antitheft when car is parked.
A kind of intelligent anti-theft drive recorder that the utility model embodiment provides, comprising:
Camera and main control module, described camera and described main control module are electrically connected, intelligent anti-theft module, GPS module and mixed-media network modules mixed-media:
Described main control module is electrically connected with described intelligent anti-theft module, described GPS module respectively;
Described intelligent anti-theft module involving vibrations sensor, described vibration transducer and described main control module are electrically connected.
Alternatively, also the comprising of described intelligent anti-theft drive recorder:
Mobile detection module and warning module, described mobile detection module is all connected with described main control module with described warning module;
Wherein, described mobile detection module, for carrying out picture catching when having target object to occur, if when not having target object to occur, does not then trigger the work of intelligent anti-theft drive recorder;
Described warning module, for the triggering by described main control module, the vehicle aligned under steam carries out lane departure warning, fatigue driving early warning and overspeed warning.
Alternatively, described intelligent anti-theft drive recorder also comprises:
Image processing module, is connected with described main control module, for carrying out the adjustment process of object brightness in image and background luminance to the image of described camera collection, and the correction process of the optical distortion of image;
Emergency treatment module, is connected with described main control module, for when a vehicle is in a collision, is carried out latching and being sent to external unit by network by the described image of described camera collection.
Alternatively, described mobile detection module, specifically for carrying out noise suppression preprocessing to the image of described camera collection, background modeling is carried out again according to described image, and described image is carried out to the multidomain treat-ment of region of interest and non-region of interest, corresponding weighting process is carried out to described region of interest or described non-region of interest, judge whether the described target object in current described image moves according to weighted results, if, then trigger described camera continuous collecting image, if not, then the work of intelligent anti-theft drive recorder is not triggered.
Alternatively, described intelligent anti-theft module, specifically for the vibration information gathered according to vibration transducer, judge whether, more than the second preset threshold value, if so, then to carry out position deviation calculating to vehicle, judge that whether position deviation is more than the 3rd preset threshold value, if so, then start described camera by described main control module and carry out picture catching, and carry out early warning process.
Alternatively, described warning module specifically comprises:
Lane departure warning submodule, for catching present image by described camera, in conjunction with Hough (Hough transformation, and Kalman filter (Kalman filtering HoughTransform), Kalmanfiltering), judge whether vehicle departs from travel route in the process of moving, if so, then carry out early warning.
Alternatively, described warning module specifically comprises:
Fatigue driving early warning submodule, for exceeding preset time when driving time, and the ocular of driver is caught by described camera, according to the Kalman filter of neural network aiding to the eyes closed of driver described in interpupillary distance tracking prediction whether more than the first preset threshold value, if so, then fatigue driving early warning is carried out.
Alternatively, described main control module is dsp chip, and described camera is dual camera pattern, and two cameras are that activity adjustment angle is arranged;
Described mixed-media network modules mixed-media is 3G network module.
Alternatively, described intelligent anti-theft drive recorder also comprises:
Touch-screen, is electrically connected with described dsp chip;
Power storage module, is electrically connected with described dsp chip, and described power storage module is externally connected to USB interface and/or vehicle-mounted charge head.
Alternatively, described intelligent anti-theft drive recorder also comprises:
Vehicle-state acquisition module, is electrically connected with described main control module, includes OBD submodule and acceleration sensor.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages:
A kind of intelligent anti-theft drive recorder that the utility model embodiment provides, comprise: camera and main control module, camera and main control module are electrically connected, intelligent anti-theft module, GPS module and mixed-media network modules mixed-media: main control module is electrically connected with intelligent anti-theft module, GPS module respectively; Intelligent anti-theft module involving vibrations sensor, vibration transducer and main control module are electrically connected.In the present embodiment, by intelligent anti-theft module, GPS module and mixed-media network modules mixed-media: main control module is electrically connected with intelligent anti-theft module, GPS module respectively; Intelligent anti-theft module involving vibrations sensor, vibration transducer and main control module are electrically connected, vibration transducer is made to collect the vibration information of vehicle, then trigger GPS module and extract current vehicle location information, and vehicle position information is sent to described master control module judges current vehicle location information by electrical relationship and the positional information of parking is compared, by described mixed-media network modules mixed-media, vehicle location deviation is sent to external unit, solve current drive recorder and only can record driving states, but cannot solve technical matters antitheft when car is parked.
Embodiment
The utility model embodiment provides a kind of intelligent anti-theft drive recorder, solves current drive recorder and only can record driving states, but cannot solve technical matters antitheft when car is parked.
For making utility model object of the present utility model, feature, advantage can be more obvious and understandable, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, the embodiments described below are only the utility model part embodiments, and the embodiment of not all.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, an embodiment of a kind of intelligent anti-theft drive recorder that the utility model embodiment provides comprises:
Camera 11 and main control module 12, camera 11 and main control module 12 are electrically connected, intelligent anti-theft module 13, GPS module 14 and mixed-media network modules mixed-media 15, camera 11 is dual camera pattern, two cameras are that to arrange camera 11 can be use ccd image sensor or cmos image sensor to combine to gather image to activity adjustment angle, aforesaid dual camera pattern, a camera, facing to headstock, takes front side scene; A camera is facing in car, and this camera adopts common CMOS camera, and the camera facing to headstock adopts the AR0330 camera module of Aptina company, have high definition 1080P, wide dynamic technique, 110 ° to 170 ° wide-angles can be the high temperature resistant camera lenses of collocation 4G, 5G, 6G all-wave.AR0330 adopts A-Pix technology, improves quantum efficiency, make it obtain very large lifting for low light level susceptibility for ruddiness and green glow.Present intelligent anti-theft drive recorder is all towards high definition future development, so the consideration that image quality is user to be needed most, the VGA camera that the high definition sensor of AR0330 is compared on the market, sharpness exceeds several times, product possesses electronic steady image system simultaneously in addition, can compensate the image of jounce condition, be very suitable for motion image recorder and intelligent anti-theft drive recorder.
Evening, light was dark, intelligent anti-theft drive recorder mainly with the external light source such as street lamp, headlight for vehicles, for obtaining more light source.But some road surface does not have Street Light Illumination sometimes, now only irradiate the areas imaging of extreme influence intelligent anti-theft drive recorder by headlight for vehicles.Because the light on and off human eye of infrared lamp is insensitive, imageing sensor but has very wide photoactive spectrum scope, therefore utilize this characteristic, can when night without visible illumination, also can make the imaging clearly of intelligent anti-theft drive recorder with the illumination of auxiliary infrared light supply.
Further employing infrared-emitting diode (LED) infrared lamp carries out illumination compensation, thus completes night vision function.Infrared LED infrared lamp forms luminophor by infrarede emitting diode matrix.Infrared-emitting diode makes PN junction by the material (conventional gallium arsenide GaAs) that infrared radiation efficiency is high, and additional forward bias excites infrared light to PN junction Injection Current.Wavelength 830-950nm centered by spectral power distribution, half-peak bandwidth is about about 40nm, and it is arrowband distribution, is the scope that common CCD B/W camera can be experienced.Its maximum advantage is can completely without cruelly red or only have faint red sudden and violent and the life-span is long.
The main task of GPS module 14 is the control commands receiving autonomous controller, catches and receives the satellite-signal of region, then carry out conversion process to gps signal, calculate the longitude at automobile place, latitude, time and the speed of a motor vehicle according to order.Finally sending to master controller to be processed by it these data.The GPS module that GPS module 14 adopts Taiwan Ya Quan company (HIMARK) to produce, model is ARZOIO, is characterized in that volume is little, high reliability, interface are simple.ARZOIOGPS module has: this module carries out transmission information by bluetooth, can follow the trail of 12 satellite datas simultaneously, be less than for 500 nanoseconds positioning time, and positioning precision is 5-15m; Have good dynamic property, normal range of operation is within height below 18000m, speed 500m/s, acceleration is lower than 4g; Can start module fast, the time of warm start/startup temperature/cold start-up is 10 seconds/35 seconds/60 seconds respectively, meets the work requirements of this burglary-resisting system; Interface type is USB, RS232, and baud rate is 9600bps, meets very much the interface requirements of embedded controller.
Main control module 12 is electrically connected with intelligent anti-theft module 13, GPS module 14 and mixed-media network modules mixed-media 15 respectively;
Intelligent anti-theft module 13 involving vibrations sensor 131, vibration transducer 131 and main control module are electrically connected.
Can be such as can control intelligent anti-theft drive recorder by telepilot whether to enter the state of deploying troops on garrison duty.When entering the state of deploying troops on garrison duty, whether program loop detects automobile stolen.The Intelligent Measurement whether stolen to automobile is by the carrying out of two kinds of modes.Be the output by vibration transducer 131, judge whether automobile has certain vibration, whether second be to be reached with position data deviation when stopping by the position data of automobile to exceed setting value.Combined by these two kinds of modes and detect that automobile is stolen or is only knocked, and provide warning message in time.After triggering anti-theft early-warning, start camera in car immediately to carry out taking and picture being sent to car owner by 3G network, the host vehicle of tracking in time display simultaneously gps data, and the query link be given in *** map, for smart mobile phone, open the street locations that link just directly can inquire vehicle place in *** map.
Alternatively, also the comprising of intelligent anti-theft drive recorder:
Mobile detection module 16 and warning module 17, mobile detection module 16 is all connected with main control module 12 with warning module 17;
Wherein, mobile detection module 16, for carrying out picture catching when having target object to occur, if when not having target object to occur, does not then trigger the work of intelligent anti-theft drive recorder;
Warning module 17, for the triggering by main control module, the vehicle aligned under steam carries out lane departure warning, fatigue driving early warning and overspeed warning.
Alternatively, intelligent anti-theft drive recorder also comprises:
Image processing module 18, is connected with main control module 12, for carrying out the adjustment process of object brightness in image and background luminance to the image of camera collection, and the correction process of the optical distortion of image;
The adjustment process of aforesaid object brightness and background luminance, can be due under night environment, video pictures overall situation gray-scale value through camera collection is lower, image detail poor contrast, noise is serious, carry out the process of evening images enhancing, can be divided into spatial domain to strengthen process and frequency domain enhancing process two aspect, mainly contain gray scale stretching algorithm and histogram equalization algorithm in the spatial domain, wherein gray scale stretches and is divided into the linear or nonlinear transformation of local or the overall situation, by the pixel value of transforming function transformation function process full images, the gray-scale value of this algorithm to the overall situation has obvious stretching, but easily cause the hypersaturated state of image quality, namely the place that original pixel value is higher can expand, the calculated amount of whole algorithm is lower.The histogram equalization algorithm such as Plateau histogram process of color histogram equilibrium, local histogram equalization and various conversion is done after the histogram distribution of histogram method by Statistic Source image, these algorithms relying on statistic histogram to change distribution easily cause the noise of image, reduce the quality of image while improving gray scale.The single scale converter technique based on Retinex and MEAM (MethodAccordingtoAare is divided in frequency domain process
) algorithm.Retinex theoretical as visual model (HVS) for explaining colored constant character, this theory according to being exactly that the information that reflects for target surface of HVS model is very responsive.In this model, image is made up of two parts, and a part is the bright brightness of object in scene, corresponding to the low frequency part of image, another part is the reflecting brightness of object in scene, and corresponding to the HFS of image, they are also referred to as luminance picture and reflected image usually.If therefore isolate luminance picture and reflected image from given image, under the condition of constant color, just reach the object strengthening image by change luminance picture and the ratio of reflected image in original image.When image converts frequency domain to, the noise of high-frequency information representative image and details, low-frequency information contains the brightness of image, and such as MEAM algorithm optimizes HFS by improving low frequency part, achieves the Dynamic contrast enhance of the overall situation and ensure that the reduction of noise and the maintenance of details.
The correction process of the optical distortion of aforesaid image, it can be the wide-angle due to camera, as 90 degree to 170 degree, but wide-angle angle is larger, there is optical distortion, image periphery is caused to form serious distortion, need to carry out correction process to pattern distortion, this correction process is for be divided into grid by whole video frame images, Criterion grid chart, multiple known net point coordinate is set up to standard network trrellis diagram, to absorbing the fault image arrived, set up distortion grid, extract the distortion grid coordinate corresponding with known net point coordinate, distortion grid coordinate is carried out coordinate points with known net point coordinate mate, set up geometric coordinate transformation model, correspondingly spatial alternation is carried out to fault image, and carry out corresponding gradation of image adjustment, form the image after correcting to export, such as whole video frame images is divided into grid, its Correction Problems can be solved like this with an order polynomial equation for each rectangular node region, such calculated amount is will be little a lot.The distortion of radial direction is regarded as a kind of distortion of origin symmetry, only see first quartile, just can know that the method for other three quadrants just can be analogized according to symmetrical rule.First quartile is divided into horizontal m, a Vertical n grid, guarantees that the distortion of each rectangular area that subregion obtains is same degree, also make it in the number of minimum point grid, ensure approaching of precision with regard to lucky.N, m decide the number of stress and strain model, and the numerical value of n, m is larger, stress and strain model careful, correction accuracy is namely more accurate, the fewer also more out of true of quantity, but more accurate correction accuracy, larger storage space also can be brought to occupy, and the cost of memory mapping model will be higher.
Emergency treatment module 19, be connected with main control module 12, for when a vehicle is in a collision, the image of camera collection is carried out latching and being sent to external unit by network, such as when vehicle occurs collision and produces vibrations, this section of capture video can carry out latching (can pre-set the time period that front and back occur in collision) by registering instrument, automatically can not be override, automatically to retain the safety of video evidence when repeating record.Meanwhile, can pre-set collision and occur whether start 3G network communication, if start 3G network, so instant being uploaded to by this section of video by 3G network pre-sets network storage location.
Alternatively, mobile detection module 16, image specifically for gathering camera 11 carries out noise suppression preprocessing, then carries out background modeling according to image, and carries out the multidomain treat-ment of region of interest and non-region of interest to image, corresponding weighting process is carried out to region of interest or non-region of interest, whether move according to the target object that weighted results judges in present image, if so, then trigger camera continuous collecting image, if not, then the work of intelligent anti-theft drive recorder is not triggered.
Alternatively, warning module 17 specifically comprises:
Lane departure warning submodule 171, for catching present image by camera, in conjunction with Hough (Hough transformation, and Kalman filter (Kalman filtering HoughTransform), Kalmanfiltering), judge whether vehicle departs from travel route in the process of moving, if so, then carry out early warning.
Alternatively, warning module 17 specifically comprises:
Fatigue driving early warning submodule 172, for exceeding preset time when driving time, and the ocular of driver is caught by camera, according to the Kalman filter of neural network aiding to the eyes closed of interpupillary distance tracking prediction driver whether more than the first preset threshold value, if so, then fatigue driving early warning is carried out.
Alternatively, main control module 12 is dsp chip, and camera 11 is dual camera pattern, and two cameras are that activity adjustment angle is arranged, and such as, shown in Fig. 2, the Video processing particularly arithmetic capability of video compression algorithm to processor has higher requirement.The processor of some high-quality, such as PC, PC104 etc. can meet such requirement, but their costs are higher, are unfavorable for the popularization of product, and these processors can not adapt to the vehicle-mounted environment that jolts.Therefore, dsp chip must be adopted could to meet real-time processing requirement as main control chip.
Can be adopt connection to chant NT96650 chip as main control chip, NT96650 chip be a high definition, high-performance, power consumption is little, cost is low dsp chip.The resolution up to 5,000 ten thousand pixels can be obtained; May be used for high-speed cmos imageing sensor; Intrinsic function of hardware acceleration is utilized to realize complicated video processing function; Have the functions such as outstanding Automatic white balance, automatic exposure adjustment, auto-focusing; Embedded H.264 coding and decoding video, the HD1080 video image of hardware supported 30 frames per second; The HDTV of built-in HDMI1.3Tx exports; Have USB2.0 interface, can high-speed uploading/download audio, video data.The AutoWDR function of collocation NT96650, bright dark contrast is fine, and night, 3DNR seemed very excellent to reduction snowflower effect, and night and low-light (level) are done well.
Mixed-media network modules mixed-media 15 is 3G network module, and the 3G network of employing is WCDMA.WCDMA adopts up-to-date asynchronous transfer mode (atm) to adopt up-to-date asynchronous transfer mode and micro-cell transmission agreement, can unify again bar circuit carries out multiple calling simultaneously, and be not easy blocking in the place that people is many, in addition, additionally use adaptive antenna and Microcell technology, greatly increase the capacity of system, employing flies to insult WCDMA3G module, adopt usb mode, 3G module is inserted Huawei MF637U UNICOM WCDMA wireless Internet card (SIM card), the communication between development board and 3G network can be realized by USB interface.
Alternatively, intelligent anti-theft drive recorder also comprises:
Touch-screen 18, be electrically connected with dsp chip, such as LCD touch screen, does not specifically limit herein, and LCD touch screen can as the mutual medium between vehicle and driver, the information of registering instrument or data are fed back to driver intuitively, as Operation system setting, current time, each functional module state, the GPS information of vehicle, short message communication result etc.Also can on LCD the prospect situation of Dynamic Announce vehicle, or check the picture in flash card.The setting of driver's input that can be provided by LCD or selection function amendment record instrument in addition, as operational mode or working mechanism etc.
TFT type LCDs has the advantages such as image quality is good, true to nature, the stereovision of being in bright colors is strong, screen display reaction velocity is fast, gray scale display and control is accurate.Features such as having selected 10.4 cun of TFT-LCD of Sharp company to shield LQ104V1DG11, it has, and resolution is 640 × 480, color depth 18, interface are large, its uses the DF9BA-31-1V interface produced by Hirose electronics corporation.
Power storage module 19, be electrically connected with dsp chip, power storage module is externally connected to USB interface and/or vehicle-mounted charge head, as shown in Figure 3 and Figure 4, the circuit connection diagram of power storage module 19, use car fills or MiniUSB interface is powered, and intelligent anti-theft drive recorder has internal battery, and after can ensureing power-off, model machine works on a period of time.After access car fills, system boot also starts pattern of making video recording and automatically makes video recording.
Current vehicle power supply voltage has+12V ,+24V and+36 three kinds, and wherein China's automobile power source mainly adopts+12V and+24V two kinds.The power supply of automobile travel recorder General Requirements is+5V and+3.3V ,+5V power supply is the power supplies such as DSP, and be primary power ,+3.3V is that data-carrier store is powered, and is accessory power supply.
LM2576 is adopted to be that the switching power supply of core is to design primary power.Native system selects LM2576-5.0 and LM2576-3.3 to be power supply chip, the storage battery direct supply of automobile is changed into circuit system and normally to work required+5V and+3.3V two kinds.
Alternatively, intelligent anti-theft drive recorder also comprises:
Vehicle-state acquisition module 20, be electrically connected with main control module 11, include OBD submodule 201 and acceleration sensor 202, OBD submodule 201 is connected with vibration transducer 131, can be intelligent anti-theft drive recorder by sub-OBD module 201 collection vehicle instantaneous velocity, whether exceeded the speed limit by software design patterns voice reminder driver.User can preset three speed limit promptings, and 120km/h is arranged for forcing speed limit.When the speed of a motor vehicle is less than 120km/h time, every default speed limit point only needs voice reminder driver current vehicle speed to arrive this speed; But if time the speed of a motor vehicle is more than 120km/h, voice message driver current vehicle speed, simultaneity factor is reported to the police.
As can be seen from the above technical solutions, the utility model embodiment has the following advantages:
In the present embodiment, by intelligent anti-theft module 13, GPS module 14 and mixed-media network modules mixed-media 15, master control mould 12 is electrically connected with intelligent anti-theft module 13, GPS module 14 respectively, intelligent anti-theft module 13 involving vibrations sensor 131, vibration transducer 131 and main control module 12 are electrically connected, vibration transducer 131 is made to collect the vibration information of vehicle, then trigger GPS module 14 and extract current vehicle location information, and vehicle position information is sent to master control module judges current vehicle location information by electrical relationship and the positional information of parking is compared, by mixed-media network modules mixed-media 15, vehicle location deviation is sent to external unit, solve current drive recorder and only can record driving states, but technical matters antitheft when car is parked cannot be solved.
The above, above embodiment only in order to the technical solution of the utility model to be described, is not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of each embodiment technical scheme of the utility model.