CN205138460U - Motor vehicle contour dimension checking system - Google Patents
Motor vehicle contour dimension checking system Download PDFInfo
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- CN205138460U CN205138460U CN201520944754.2U CN201520944754U CN205138460U CN 205138460 U CN205138460 U CN 205138460U CN 201520944754 U CN201520944754 U CN 201520944754U CN 205138460 U CN205138460 U CN 205138460U
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Abstract
The utility model discloses a motor vehicle contour dimension checking system, it includes preceding portal frame and back portal frame, install in vertical laser scanning radar of preceding portal frame, install the two sets of laser shot sensors at the back portal frame, install a set of longitudinal arrangement's the ultrasonic sensor at the stand of back portal frame, install four side cameras in top and the left and right sides and the corresponding ground position of back portal frame, signal processing device with vertical laser scanning radar electric connection, the computer of being connected with the communication of signal processing device, the signal processing device still respectively with the laser shot sensor, ultrasonic sensor, the side camera, terminal surface camera electric connection. Through the length and the height of vertical laser scanning radar and laser shot sensor measurements vehicle, a set of ultrasonic sensor on the back portal frame is used for the measurement to the vehicle width, the camera image sequence of upper and lower and side of back portal frame to the leak of repacking is thoroughly plugged up to the three -dimensional panorama picture of synthetic vehicle.
Description
Technical field
The utility model relates to a kind of detection system, particularly relates to a kind of highway truck automobile overweight detecting system.
Background technology
Current, part car owner, in order to reach the object of overload transportation, has carried out various repacking to vehicle, strengthen car sizes, reach the object of overload, overload of vehicle transfinites to become and has a strong impact on the country and people's security of the lives and property, jeopardizes the outstanding problem that social economic order is stable.According to standard GB/T 1589-2004 " road vehicle contour dimension, axle load and quality limit value ", GB7258-2004 " motor vehicle safe and technical specification ", GB21861-2014 " Vehicle Security Interventions Requested and method ", in order to check on from source, each public security vehicle administrative institute, motor vehicle inspection station to the new registration vehicle transfinited and must carry out pressure inspection by the contour dimension of motor vehicles; Highway department transfinites in administrative law enforcement at overload control, also needs the various vehicle overall dimensions to transfiniting to detect.At present manual measurement mode continued to use over substantially to the detection method of vehicle overall dimension, due to manual measurement uncertainty, waste time and energy and insecurity, measure in the urgent need to one and together motor vehicle contour dimension is measured automatically, simultaneously according to national standard requirement, testing process image must upload to traffic examination in real time, reduces the interference of surveying work intensity and human factor.
At present, vehicle ' s contour gauging instrument equipment mainly contains following several technical scheme:
1, based on the scheme of machine vision technique, such as: application number is the patent of invention of 201410483838.0, disclose and use the surperficial cloud data of video camera machine vision method to vehicle to rebuild, and obtain the dimensional data of vehicle.The measuring accuracy of this method is easily subject to the impact of the external environments such as illumination, and calculated amount is comparatively large simultaneously, Measuring Time is long, accuracy is not high;
2, based on the scheme of light curtain technology, such as: application number be 201210119598.7 patent of invention disclose the method using picking sensor array measurement vehicle ' s contour size, there is equipment and install complicated in light curtain technology, maintenance cost is high, larger by such environmental effects.
3, based on the technology of laser sensor, such as: application number is 201510113795.1, but this method employs a laser sensor to be measured vehicle width data, there is sensor detection dead angle, can not obtain vehicle side image simultaneously.
In addition, GB21961-2014 proposes when gabarit dimensional measurement, the measurement photo of vehicle body front, side must be preserved and is uploaded to supervisory systems.Dimension-measuring devices is generally arranged on the detection line of motor vehicle inspection station, due to the limited space of measuring station, tested vehicle length is longer, general camera can only take headstock and tailstock integral photograph, generally distant view photograph cannot be photographed for vehicle body side, can only provide topography, can not provide the perfect measurement photo of vehicle body side according to the requirement of GB21961-2014, position does not have good solution up till now.
Summary of the invention
For the deficiencies in the prior art, the technical problems to be solved in the utility model be to provide one can the kinetic measurement speed of a motor vehicle, vehicle commander, overall width, overall height, the number of axle, wheelbase and the parameter such as weight, three-dimensional panorama figure, and be sent to traffic police's data server together with vehicle license information and judge the robotization motor vehicle contour dimension checking system whether vehicle transfinites.
In order to solve the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of motor vehicle contour dimension checking system, it comprises the front portal frame and back gantry that are horizontally set at road, be installed on longitudinal scanning laser radar of front portal frame, be arranged on two groups of laser-correlation sensors on back gantry, be arranged on the ultrasonic sensor of one group of longitudinal arrangement of the column of back gantry, be arranged on the top of back gantry and the left and right sides and four side cameras for ground location, be arranged on two end face cameras on the portal frame of front and back respectively, the signal processing apparatus be electrically connected with longitudinal scanning laser radar, the computing machine be connected with signal processing apparatus communication, wherein one group of laser-correlation sensor arranges along gantry pillar vertical direction, another group laser-correlation sensor is located at gantry pillar along road bearing of trend, described signal processing apparatus also respectively with laser-correlation sensor, ultrasonic sensor, side camera, end face camera is electrically connected and makes computing machine obtain figure series synthesis three-dimensional panorama figure.
One as the technical scheme of the utility model motor vehicle contour dimension checking system is improved, and described front portal frame and back gantry are parallel to each other.
One as the technical scheme of the utility model motor vehicle contour dimension checking system is improved, described signal processing apparatus with carry out network by cable network or wireless network between computing machine and be connected.
One as the technical scheme of the utility model motor vehicle contour dimension checking system is improved, and this system also comprises carries out data by network or GPRS with described computing machine and transmit the remote server be connected.
In addition, the utility model can also adopt such as the following with substitute technical scheme be: a kind of motor vehicle contour dimension checking system, it comprises the front portal frame and back gantry that are horizontally set at road, be installed on longitudinal scanning laser radar of front portal frame, be arranged on two groups of laser-correlation sensors on back gantry, be installed on the horizontal scanning laser radar of two heel post inside top of back gantry respectively, be arranged on the top of back gantry and the left and right sides and four side cameras for ground location, be arranged on two end face cameras on the portal frame of front and back respectively, the signal processing apparatus be electrically connected with longitudinal scanning laser radar, the computing machine be connected with signal processing apparatus communication, wherein one group of laser-correlation sensor arranges along gantry pillar vertical direction, another group laser-correlation sensor is located at gantry pillar along road bearing of trend, described signal processing apparatus also respectively with laser-correlation sensor, ultrasonic sensor, side camera, end face camera is electrically connected.
The beneficial effects of the utility model are: by length and the height of longitudinal scanning laser radar and laser-correlation sensor measurement vehicle, one group of ultrasonic sensor on back gantry is used for the measurement to vehicle width; The image shot by camera sequence of the upper and lower and side of back gantry, and synthesize the three-dimensional panorama figure of vehicle, thoroughly block the leak of repacking.
Accompanying drawing explanation
Fig. 1 is the overall perspective view of a kind of motor vehicle of the utility model contour dimension checking system embodiment.
Fig. 2 is the Vehicle length instrumentation plan of detection system.
Fig. 3 is the vehicle width instrumentation plan of detection system.
Fig. 4 is vehicle width, the height dimension instrumentation plan of detection system.
Fig. 5 is the detected dark image mosaic schematic diagram of automobile three-dimensional panorama.
Embodiment
Embodiment of the present utility model is further illustrated below in conjunction with accompanying drawing.
As Fig. 1 ~ Fig. 3, shown in Fig. 5, a kind of motor vehicle contour dimension of the utility model checking system, it comprises the front portal frame 1 and back gantry 2 that are horizontally set at road, be installed on longitudinal scanning laser radar 5 of front portal frame 1, be arranged on two groups of laser-correlation sensors 6/7 on back gantry 2, be arranged on the ultrasonic sensor 8 of one group of longitudinal arrangement of the column of back gantry 2, be arranged on the top of back gantry 2 and the left and right sides and four side cameras 9/10/11/12 for ground location, be arranged on two end face cameras 3/4 on the portal frame of front and back respectively, the signal processing apparatus be electrically connected with longitudinal scanning laser radar 5, the computing machine be connected with signal processing apparatus communication, wherein one group of laser-correlation sensor 6 arranges along gantry pillar vertical direction, another group laser-correlation sensor 7 is located at gantry pillar along road bearing of trend, described signal processing apparatus also respectively with laser-correlation sensor 6/7, ultrasonic sensor 8, side camera 9/10/11/12, end face camera 3/4 is electrically connected and makes computing machine obtain figure series synthesis three-dimensional panorama figure.The longitudinal scanning laser radar 5 being arranged on front portal frame 1 and the one group of laser-correlation sensor 6 perpendicular to aspect, ground being arranged on back gantry 2 are for Vehicle length and measurement highly; Be arranged on one group of ultrasonic sensor 8 on back gantry 2 for the measurement to vehicle width; Longitudinal scanning laser radar 5 on front portal frame 1 is installed and is arranged on the measurement of the one group photoelectricity opposite type sensor 7 of back gantry 2 level in ground for the vehicle number of axle, wheelbase; The camera 3/4 be arranged on front and back portal frame 1/2 is parallel to be installed with road direction, for taking the photo of vehicle headstock, the tailstock; The camera 9,10,11,12 being arranged on the upper and lower and side on back gantry 2 is for taking the top of vehicle, bottom and side image sequence, and image sequence is spliced into panorama sketch, the three-dimensional panorama figure of vehicle is synthesized in conjunction with contour dimension data and 3-D technology; Signal transacting case is connected collection signal with longitudinal scanning laser radar, laser-correlation sensor and ultrasonic sensor, and is connected with computing machine; Be arranged on front and back portal frame to be connected with computing machine with the camera on ground, collection vehicle by time image, and in computing machine, synthesize the three-dimensional panoramic image of tested vehicle.
The measurements and calculations process full automation of native system is without the need to manual operation, evade the operating risk of traffic police personnel, result data can pass through wired or wireless communication transfer, makes traffic can obtain vehicle overload information fast, processes fast to overrun vehicle.
Specific implementation process is as follows:
The first step, installs.As shown in Figure 1, Figure 2 or shown in Fig. 5, longitudinal scanning laser radar 5 needs to be parallel to direction of traffic and installs, and is arranged on road-center line position.Laser-correlation sensor 6 perpendicular to ground install, laser-correlation sensor 7 level is installed in ground, vehicle by time by this signal of triggering.The camera 3,4 be arranged on the portal frame of front and back works as vehicle through out-of-date candid photograph phase locomotive head image and tailstock image; Be arranged on back gantry top, 4 groups of cameras 9,10,11,12 of bottom and side aim at vehicle through position, when vehicle starts through back gantry, and constantly shooting vehicle through out-of-date image sequence.
The second, demarcate.Need before systematic survey first to arrange equipment and demarcate.
Use the vehicle of calibrated bolck or known dimensions, put into below back gantry 2, start ultrasonic sensor and respectively system calibration is carried out to each ultrasonic wave module, the distance between the ultrasound wave of correction correspondence position.
First by the angular adjustment of longitudinal scanning laser radar 5 to horizontal level, and use the measurement of calibrated bolck or known dimensions, put into back gantry 2 installation site, use longitudinal scanning laser radar, measure its altitude information, by height of car and indicating value height, the actual installation height to longitudinal scanning laser radar 5 is revised.
Three, measure.Measurement can be divided into that vehicle commander measures, overall height is measured, overall width is measured and number of axle wheelbase measures several aspect.
Vehicle commander measures: record the distance L1 of longitudinal scanning laser radar 5 to vehicle body when vehicle enters triggering laser opposite type sensor 6 below back gantry 2, when vehicle exit back gantry 2 leave laser-correlation sensor 6 position time, record longitudinal scanning laser radar 5 to vehicle body distance L2, can by formula: L=L1-L2 calculates the physical length of vehicle.
Overall width is measured: as shown in Figure 3, and the distance between vehicle body to ultrasonic sensor 8 constantly measured by vehicle by ultrasonic sensor 8 in process, and by formula: W=W0-Wi-Wi ', calculates body width.Wherein W0 represents the distance between two relative ultrasonic sensors, Wi with Wi ' represents the distance of relative ultrasonic sensor.After distance between each group of sensor has calculated, obtain the width that namely wherein one group of maximal value is vehicle.
Overall height is measured: as shown in Figure 2, vehicle is constantly scanning vehicle xsect gabarit by scanning laser radar 5 in process, take measurement of an angle according to laser sensor and distance clearing vehicle body each point to the height value of scanning laser radar 5, combining laser scanning sensor 5 setting height(from bottom) calculating bodywork height.Height calculation method is as formula: H=H0-H1; Wherein H0 is sensor setting height(from bottom).H1 represents the distance between vehicle peak to scanning laser radar 5.
The number of axle and wheelbase are measured: vehicle can trigger the laser-correlation sensor 7 being placed on ground through measured zone, when recording their trigger sensor, be arranged on the distance Di of the laser sensor 3 on front portal frame 1 to headstock, be respectively D0, D1, D2 ... Dn, wherein n represents the number of times altogether triggered, the namely number of axle of vehicle, i represents the position that wheel triggers.By the distance between Di, each wheelbase that can calculate vehicle is from, namely wheelbase.
Car weight is measured: vehicle, through measured zone, can suppress surface-based axle weight sensor, and obtaining axle tuple certificate is K0, K1, K2 ... Kn, wherein n represents the number of axle of vehicle, and the general assembly (TW) of vehicle body is by publicity K=K0+K2 ... Kn.Wherein K represents vehicle body gross weight.
Four, three-dimensional panoramic image synthesis
As shown in Figure 5, three-dimensional vehicle panoramic picture is formed primarily of headstock image 18, tailstock image 19, roof panorama Figure 22, chassis panorama Figure 23 and vehicle body two side panorama Figure 20,21.The image 18 of headstock taken by the camera 3 being arranged on front portal frame 1, and tailstock image 19 taken by the camera 4 being arranged on back gantry 2; Vehicle through back gantry 2 time be arranged on back gantry 2 top, bottom and side 4 groups of cameras 9,10,11,12 dynamically shooting vehicle by time sequence image, pass through until vehicle completes.After vehicle dimension measurement terminates, the sequence image ingredient photographed by these cameras is not spliced into roof panorama Figure 22, chassis panorama Figure 23 and vehicle body panorama Figure 20,21, the three-dimensional cube that the vehicle length data that basis is measured in computing machine 15 are simultaneously formed, headstock image 18, tailstock image 19 and roof panorama Figure 22, chassis panorama Figure 23 of splicing and vehicle body panorama Figure 20,21 are attached to 6 each of three-dimensional cube, just define the three-dimensional vehicle panorama sketch of band measurement size.
Five, data analysis and improvement of transfiniting.Signal processing apparatus is connected with each sensor sensor-lodging, and sensing data sends computer disposal to calculates vehicle ' s contour and weight data, be arranged on the camera 3 on the portal frame of front and back, 4 tested vehicles passed through are captured, computing machine is by Car license recognition software identification number plate of vehicle, the number-plate number and vehicle ' s contour information are uploaded traffic police's database server by network or GPRS module by computing machine, traffic police's database server is by contrasting the original overall size of vehicle and weight information, can judge whether vehicle has the illegal activities such as existing repacking or transfinites, immediately violation behavior is investigated and prosecuted.
More preferably, described front portal frame 1 is parallel to each other with back gantry 2, is convenient to the orientation installing and regulate each sensor, and make detection system more accurate, testing result is more accurate.The linear measure longimetry scope of this system is 30 ~ 50 meters, and Vehicle length precision can reach grade, and Bus-Speed Monitoring precision can reach 1 kilometer/hour, and systems axiol-ogy precision is high, speed is fast.System adopts non-contact measurement, and tested vehicle passes through with the normal speed of a motor vehicle on highway, does not affect the normal traveling of vehicle, realizes the unattended robotization at overrun testing station, realizes the robotization of measuring.
More preferably, described signal processing apparatus with carry out network by cable network or wireless network between computing machine and be connected, data transmission between the two can be realized.
More preferably, this system also comprises carries out data by network or GPRS with described computing machine and transmits the remote server be connected, and is convenient to networking monitoring, stops overrun vehicle in front, without the need to catching up with from rear.
Similarly, as shown in Figure 4, body width can use two horizontal scanning laser radars 16,17 to measure, and replaces ultrasonic sensor, forms the equivalent embodiment substituted.Detect the distance vehicle body to laser sensor by scanning laser radar device 16,17, width can be obtained by formula W=W0-W1-W2, and getting maximal value is body width; Bodywork height can be calculated by formula H=H0-H1, more accurately can detect height and the width data of vehicle.
Above disclosedly be only preferred embodiment of the present utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (5)
1. a motor vehicle contour dimension checking system, it is characterized in that: comprise the front portal frame and back gantry that are horizontally set at road, be installed on longitudinal scanning laser radar of front portal frame, be arranged on two groups of laser-correlation sensors on back gantry, be arranged on the ultrasonic sensor of one group of longitudinal arrangement of the column of back gantry, be arranged on the top of back gantry and four side cameras of the left and right sides and corresponding ground position, be arranged on two end face cameras on the portal frame of front and back respectively, the signal processing apparatus be electrically connected with longitudinal scanning laser radar, the computing machine be connected with signal processing apparatus communication, wherein one group of laser-correlation sensor arranges along gantry pillar vertical direction, another group laser-correlation sensor is located at gantry pillar along road bearing of trend, described signal processing apparatus also respectively with laser-correlation sensor, ultrasonic sensor, side camera, end face camera is electrically connected and makes computing machine obtain figure series synthesis three-dimensional panorama figure.
2. motor vehicle contour dimension checking system according to claim 1, is characterized in that: described front portal frame and back gantry are parallel to each other.
3. motor vehicle contour dimension checking system according to claim 1, is characterized in that: described signal processing apparatus with carry out network by cable network or wireless network between computing machine and be connected.
4. motor vehicle contour dimension checking system according to claim 1, is characterized in that: this system also comprises carries out data by network or GPRS with described computing machine and transmit the remote server be connected.
5. a motor vehicle contour dimension checking system, it is characterized in that: comprise the front portal frame and back gantry that are horizontally set at road, be installed on longitudinal scanning laser radar of front portal frame, be arranged on two groups of laser-correlation sensors on back gantry, be installed on the horizontal scanning laser radar of two heel post inside top of back gantry respectively, be arranged on the top of back gantry and four side cameras of the left and right sides and corresponding ground position, be arranged on two end face cameras on the portal frame of front and back respectively, the signal processing apparatus be electrically connected with longitudinal scanning laser radar, the computing machine be connected with signal processing apparatus communication, wherein one group of laser-correlation sensor arranges along gantry pillar vertical direction, another group laser-correlation sensor is located at gantry pillar along road bearing of trend, described signal processing apparatus also respectively with laser-correlation sensor, ultrasonic sensor, side camera, end face camera is electrically connected.
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| CN107677217A (en) * | 2017-09-21 | 2018-02-09 | 宜昌微点科技有限公司 | Object measuring system and method based on stereo camera shooting |
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| CN109373928A (en) * | 2018-10-31 | 2019-02-22 | 广东泓胜科技股份有限公司 | A kind of vehicle overall dimension measuring system |
| CN109443218A (en) * | 2018-10-31 | 2019-03-08 | 广东泓胜科技股份有限公司 | A kind of system for supervising vehicle overall dimension |
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| CN109637153A (en) * | 2019-01-25 | 2019-04-16 | 合肥市智信汽车科技有限公司 | A kind of vehicle-mounted mobile violation snap-shooting system based on machine vision |
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| CN110211389A (en) * | 2019-05-27 | 2019-09-06 | 武汉万集信息技术有限公司 | The determination method and system of rule-breaking vehicle |
| CN110796872A (en) * | 2019-11-13 | 2020-02-14 | 佛山科学技术学院 | A collection system for lane collection vehicle model |
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| CN107677217A (en) * | 2017-09-21 | 2018-02-09 | 宜昌微点科技有限公司 | Object measuring system and method based on stereo camera shooting |
| CN108627112A (en) * | 2018-05-09 | 2018-10-09 | 广州市杜格科技有限公司 | Vehicle axis pin is away from dynamic measurement method |
| CN109373928A (en) * | 2018-10-31 | 2019-02-22 | 广东泓胜科技股份有限公司 | A kind of vehicle overall dimension measuring system |
| CN109443218A (en) * | 2018-10-31 | 2019-03-08 | 广东泓胜科技股份有限公司 | A kind of system for supervising vehicle overall dimension |
| CN109443266A (en) * | 2018-12-13 | 2019-03-08 | 沈阳建筑大学 | A kind of building prefabricated components outer dimension self-operated measuring unit |
| CN109637153A (en) * | 2019-01-25 | 2019-04-16 | 合肥市智信汽车科技有限公司 | A kind of vehicle-mounted mobile violation snap-shooting system based on machine vision |
| CN109828283A (en) * | 2019-03-14 | 2019-05-31 | 珠海丽亭智能科技有限公司 | A kind of vehicle appearance measurement method and device and equipment based on laser radar apparatus |
| CN109917417A (en) * | 2019-03-14 | 2019-06-21 | 珠海丽亭智能科技有限公司 | A kind of vehicle appearance measurement method and device and equipment based on photographic device |
| CN110211389A (en) * | 2019-05-27 | 2019-09-06 | 武汉万集信息技术有限公司 | The determination method and system of rule-breaking vehicle |
| CN110796872A (en) * | 2019-11-13 | 2020-02-14 | 佛山科学技术学院 | A collection system for lane collection vehicle model |
| CN110796872B (en) * | 2019-11-13 | 2020-11-06 | 佛山科学技术学院 | A collection system for lane collection vehicle model |
| CN112097683A (en) * | 2020-11-13 | 2020-12-18 | 山东海德智能科技有限公司 | 3D high-precision detection system based on laser scanning imaging |
| CN114384545A (en) * | 2021-12-01 | 2022-04-22 | 江铃汽车股份有限公司 | Vehicle cargo model building method and device, storage medium and equipment |
| CN114485465A (en) * | 2022-01-25 | 2022-05-13 | 山东新凌志检测技术有限公司 | Automatic and rapid recognition device and method for overall size of automobile train |
| CN114485465B (en) * | 2022-01-25 | 2024-06-25 | 山东新凌志检测技术有限公司 | Automatic and rapid identification device and method for outline size of automobile train |
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