CN211848793U - Defective quick detection device of on-vehicle road marking - Google Patents
Defective quick detection device of on-vehicle road marking Download PDFInfo
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- CN211848793U CN211848793U CN202020014984.XU CN202020014984U CN211848793U CN 211848793 U CN211848793 U CN 211848793U CN 202020014984 U CN202020014984 U CN 202020014984U CN 211848793 U CN211848793 U CN 211848793U
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Abstract
The utility model discloses a vehicle-mounted road marking defect rapid detection device, wherein a vehicle-mounted power supply and a calculation server are arranged inside a detection vehicle; the wheel speed encoder is arranged on the shaft part of the outer side of the tire of the detection wheel; the panoramic camera is arranged above the front part of the inspection vehicle, the vehicle-mounted power supply consists of a UPS and a generator set, the output end of the generator is connected with the input end of the UPS, and the output end of the UPS is connected with a power interface or a power converter of each module; the laser light source and the industrial camera are arranged in a box body structure at the tail part of the detection vehicle, the lens of the laser light source and the lens of the industrial camera face the ground, and an included angle of 5-30 degrees is formed between the laser light source and the lens of the industrial camera so as to ensure that an illumination light spot coincides with a phase taking point. The utility model provides a defective quick detection device of on-vehicle road marking can improve the collection quality of assurance image when the image acquisition efficiency of industrial camera to the road marking to combine GPS and panoramic camera to realize the accurate positioning and the defective discernment of marking of road marking.
Description
Technical Field
The utility model belongs to the technical field of the road detects, in particular to defective quick detection device of on-vehicle road marking.
Background
With the vigorous development of highway infrastructure construction in China, the highway grade is higher and higher, and the mileage is longer and longer, but with the continuous increase of automobile holding capacity in China, the traffic pressure borne by road traffic is higher and higher, so that the damage to the road marking is increased and worsened continuously, and meanwhile, the road marking maintenance, detection tasks, demand and maintenance difficulty are increased gradually. The road marking serves as an important part of the road infrastructure and plays an irreplaceable role in vehicle guidance, driving route specification and traffic trip specification.
At present, the technical situation of the road marking is mainly based on the requirement of marking defects of facilities along the line in the assessment of the technical situation of the road (JTG/H20-2007), the defects of the marking are mainly detected manually and in a single-point mode in the traditional detection, and the detection is carried out according to a certain sampling inspection amount, on one hand, the manual process is labor-consuming and time-consuming, the error rate is high, the detection efficiency is low, the detection process needs to be carried out for road sealing treatment, and huge potential safety hazards exist; on the other hand, the existing detection means has low automation degree, can not detect the whole road marking and store information, and can not comprehensively reflect the damage and deterioration condition of the marking.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a defective quick detection device of on-vehicle road marking in order to realize the defective discernment of road marking and the statistics of the sound condition, manage and support for the science of road and provide the technical basis.
The technical scheme is as follows:
a vehicle-mounted road marking defect rapid detection device is characterized in that a vehicle-mounted power supply and a calculation server are mounted inside a detection vehicle; the wheel speed encoder is arranged on the shaft part of the outer side of the tire of the detection wheel; the panoramic camera is arranged above the front part of the detection vehicle, the vehicle-mounted power supply consists of a UPS and a generator set, the output end of the generator is connected with the input end of the UPS, and the output end of the UPS is connected with the laser light source, the industrial camera, the GPS module, the computing server and a power interface or a power converter of the wheel speed encoder through cables; the laser light source, the industrial camera and the GPS module are arranged in a box body structure at the tail part of the detection vehicle, the lenses of the laser light source and the industrial camera face the ground, and the central axes of the lenses of the laser light source and the industrial camera form an acute included angle so as to ensure that an illumination area coincides with an image acquisition area.
Preferably, the distance between the laser light source and the lens of the industrial camera is 1-1.8 m from the bottom surface, and the included angle range between the laser light source and the central axis included angle of the lens of the industrial camera is 5-15 degrees.
The utility model provides a defective quick detection device of on-vehicle road marking can improve the collection quality of assurance image when the image acquisition efficiency of industrial camera to the road marking to combine GPS and panoramic camera to realize the accurate positioning and the defective discernment of marking of road marking.
Drawings
Fig. 1 is a schematic configuration diagram of a vehicle-mounted road marking defect rapid detection device.
Fig. 2 is a schematic block diagram of the vehicle-mounted road marking defect rapid detection device.
Description of reference numerals:
1-a vehicle power supply; 2-a laser light source; 3-an industrial camera; 4-a GPS module; 5-a panoramic camera; 6-a computing server; 7-wheel speed encoder; 8-detection vehicle.
Detailed Description
In order to make those skilled in the art understand the technical solution of the present invention better, the following embodiment is combined to describe the device for detecting defects of vehicle-mounted road markings in detail. The following examples are intended to illustrate the invention and are not intended to limit the scope of the invention.
The utility model provides a vehicle-mounted road marking defect rapid detection device, wherein a vehicle-mounted power supply and a calculation server are arranged inside a detection vehicle; the wheel speed encoder is arranged on the shaft part of the outer side of the tire of the detection wheel; the panoramic camera is arranged above the front part of the detection vehicle, the vehicle-mounted power supply consists of a UPS and a generator set, the output end of the generator is connected with the input end of the UPS, and the output end of the UPS is connected with the laser light source, the industrial camera, the GPS module, the computing server and a power interface or a power converter of the wheel speed encoder through cables; the laser light source, the industrial camera and the GPS module are arranged in a box body structure at the tail part of the detection vehicle, the lenses of the laser light source and the industrial camera face the ground, and the central axes of the lenses of the laser light source and the industrial camera form an acute included angle so as to ensure that an illumination area coincides with an image acquisition area. Furthermore, the distance between the laser light source and the lens of the industrial camera is 1-1.8 m from the bottom surface, and the included angle range between the laser light source and the central axis of the lens of the industrial camera is 5-15 degrees.
Example 1
As shown in FIG. 1, the vehicle-mounted road marking rapid detection device is composed of a vehicle-mounted power supply 1, a laser light source 2, an industrial camera 3, a GPS module 4, a panoramic camera 5, a calculation server 6, a wheel speed encoder 7 and a detection vehicle 8. The vehicle-mounted power supply 1 and the calculation server 6 are respectively arranged in the detection vehicle 8; the laser light source 2, the industrial camera 3 and the GPS module 4 are respectively arranged in a special box body structure at the tail part of the detection vehicle 8; the wheel speed encoder 7 is installed on the outer shaft part of the tire of the detection vehicle 8, and the panoramic camera 5 is installed above the front part of the detection vehicle 8.
The calculation server 6 is a server, a workstation or a computer, is arranged in an operation room in the detection vehicle and is used for installing the upper computer software for detecting the defects and the integrity of the marked lines, and preferably, the calculation server 6 can select GPU hardware with a deep learning function to finish the rapid processing of the image data.
The laser light source 2 and the industrial camera 3 form a marking defect collecting system of the vehicle-mounted road marking rapid detection device, and the lenses of the laser light source 2 and the industrial camera 3 face and are perpendicular to the ground. The marking defect acquisition system is characterized in that the upper computer software is installed on the computing server 6 to control the laser light source 2 and the industrial camera 3 to acquire road marking images, when acquisition starts, the upper computer software firstly controls the laser light source 2 to start illumination, a stable illumination acquisition environment is provided for marking image acquisition, and the industrial camera 3 is further started to start continuous image acquisition; when the collection is completed, the upper computer software closes the industrial camera 3 firstly and then closes the laser light source 2.
The utility model relates to a defective quick detection device's of on-vehicle road marking device connection diagram, as shown in fig. 2, the road marking lacks and decreases and intact detection host computer software is installed on calculation server 6, through the switch, communication equipment such as serial servers respectively with the GPS module, the marking position collection system that wheel speed encoder and panoramic camera constitute, the defective collection system of marking that laser source 2 and industrial camera 3 constitute, the electrical power generating system communication interface connection that UPS and generating set constitute, program and each system coordinated operation of algorithm automatic control that preset through host computer software in real time, realize marking data acquisition, control, processing, analysis, functions such as report form.
The road marking defect and integrity detection upper computer software acquires and controls the modules such as the laser light source 2, the industrial camera 3, the GPS module 4, the wheel speed encoder 7, the detection vehicle 8, the panoramic camera 5 and the like, acquires information such as vehicle speed, position, environment video, road marking, time and the like, and synchronizes and stores all the information based on the time and the position; further processing the road image by a deep learning algorithm on the marked line, such as image splicing, image correction, gray level conversion, image threshold segmentation, defect identification and the like; meanwhile, according to the spatial structure size of the detection device, the collected reticle image is mapped with the actual size by taking pixels as units, and the defect condition of the reticle is counted based on the reticle pixels through a software algorithm.
The utility model relates to a concrete work flow of defective quick detection device of vehicle-mounted road marking, the service personnel drive and detect the car 8 and go being examined the road marking, when the marking gathers the work and begins, the host computer software of calculation server 6 gathers GPS module 4, wheel speed encoder 7 and panoramic camera 5's data, notes information such as current time, wheel speed, speed of a motor vehicle, position, video, and synchronous control laser light source 2 throws light on to the road collection region, provides stable illumination collection environment for the marking image acquisition; further, the upper computer software controls the industrial camera 3 to start road image acquisition, simultaneously carries out operations such as splicing, storage, marking extraction, image processing and the like on the acquired road images, matches information such as time, position and the like in the acquisition process, determines the actual marking defect condition according to the mapping relation between the extracted marking pixels and the actual marking size, and carries out statistics and analysis on the perfectness rate according to the acquired marking defect condition; and when the collection of the marked line is finished, the industrial camera 3 and the laser light source 2 are turned off, and the corresponding upper computer software processing program is quitted, so that the rapid detection of the road marked line is finally realized.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (2)
1. A vehicle-mounted road marking defect rapid detection device is characterized in that a vehicle-mounted power supply and a calculation server are mounted inside a detection vehicle; the wheel speed encoder is arranged on the shaft part of the outer side of the tire of the detection wheel; the panoramic camera is arranged above the front part of the detection vehicle, the vehicle-mounted power supply consists of a UPS and a generator set, the output end of the generator is connected with the input end of the UPS, and the output end of the UPS is connected with the laser light source, the industrial camera, the GPS module, the computing server and a power interface or a power converter of the wheel speed encoder through cables; the laser light source, the industrial camera and the GPS module are arranged in a box body structure at the tail part of the detection vehicle, the lenses of the laser light source and the industrial camera face the ground, and the central axes of the lenses of the laser light source and the industrial camera form an acute included angle so as to ensure that an illumination spot coincides with a phase taking point.
2. The device for rapidly detecting the defect of the road marking as claimed in claim 1, wherein the distance between the laser source and the lens of the industrial camera is 1 to 1.8 m from the bottom surface, and the included angle between the laser source and the central axis of the lens of the industrial camera is 5 to 15 degrees.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020014984.XU CN211848793U (en) | 2020-01-06 | 2020-01-06 | Defective quick detection device of on-vehicle road marking |
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| CN202020014984.XU CN211848793U (en) | 2020-01-06 | 2020-01-06 | Defective quick detection device of on-vehicle road marking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113076911A (en) * | 2021-04-16 | 2021-07-06 | 河南六米电子科技有限公司 | AGV ribbon guide track wear degree detection method and system based on artificial intelligence |
| WO2023166555A1 (en) * | 2022-03-01 | 2023-09-07 | 日本電気株式会社 | Road marking deterioration analysis device, method, and computer-readable medium |
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2020
- 2020-01-06 CN CN202020014984.XU patent/CN211848793U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113076911A (en) * | 2021-04-16 | 2021-07-06 | 河南六米电子科技有限公司 | AGV ribbon guide track wear degree detection method and system based on artificial intelligence |
| CN113076911B (en) * | 2021-04-16 | 2023-04-14 | 天津万事达物流装备有限公司 | AGV ribbon guide track wear degree detection method and system based on artificial intelligence |
| WO2023166555A1 (en) * | 2022-03-01 | 2023-09-07 | 日本電気株式会社 | Road marking deterioration analysis device, method, and computer-readable medium |
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Effective date of registration: 20220711 Address after: 030032 No. 27, Wuluo street, Tanghuai Industrial Park, Shanxi transformation and comprehensive reform demonstration zone, Taiyuan, Shanxi Province Patentee after: Shanxi Intelligent Transportation Research Institute Co.,Ltd. Address before: 030032 No.27, Wuluo street, economic and Technological Park, Xiaodian District, Taiyuan City, Shanxi Province Patentee before: Shanxi Transportation Technology Research and Development Co.,Ltd. |
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Effective date of registration: 20230106 Address after: 030032 No.27, Wuluo street, Taiyuan City, Shanxi Province Patentee after: Shanxi Transportation Research Institute Group Co.,Ltd. Address before: 030032 No. 27, Wuluo street, Tanghuai Industrial Park, Shanxi transformation and comprehensive reform demonstration zone, Taiyuan, Shanxi Province Patentee before: Shanxi Intelligent Transportation Research Institute Co.,Ltd. |