CN101487224B - High-speed road conditions detection vehicle - Google Patents

High-speed road conditions detection vehicle Download PDF

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Publication number
CN101487224B
CN101487224B CN2009100212983A CN200910021298A CN101487224B CN 101487224 B CN101487224 B CN 101487224B CN 2009100212983 A CN2009100212983 A CN 2009100212983A CN 200910021298 A CN200910021298 A CN 200910021298A CN 101487224 B CN101487224 B CN 101487224B
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CN
China
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car
camera
road
vehicle
laser
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CN2009100212983A
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Chinese (zh)
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CN101487224A (en
Inventor
马建
宋宏勋
马荣贵
韩毅
樊江顺
申福林
李平
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长安大学
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Priority to CN2009100212983A priority Critical patent/CN101487224B/en
Publication of CN101487224A publication Critical patent/CN101487224A/en
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Publication of CN101487224B publication Critical patent/CN101487224B/en

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Abstract

The invention relates to a highway road condition detection vehicle which can be used for detecting and evaluating a plurality of road quality indexes, comprising a vehicle body with an operation chamber. The front end of the vehicle body is provided with a laser probe which can detect the evenness and the structural depth and can emit collimation laser beams downwards; the upper part of the rearend of the vehicle body is provided with a road surface wheel track detecting and photographing camera and a road surface damage linear array camera; the rear lower part of the vehicle body is provided with a high power linear laser with a linear laser source direction adjusting rotating shaft; the lower part of the rear end of the vehicle body is provided with a linear array camera LED light-focusing illumination device; and the top part of the vehicle body is respectively provided with a road environment camera, a safety monitoring camera and a GPS positioning antenna. The operation chamberof the vehicle body is internally provided with a workbench, a generator, an industrial computer cabinet and a control circuit device. Compared with the prior art, the highway road condition detection vehicle has the advantages of novel structure, full function, convenient operation and high detection precision, and can achieve the comprehensive detection of a plurality of road quality indexes, and the like.

Description

High-speed road conditions detection vehicle

Technical field

The invention belongs to road quality checkout equipment technical field, relate to a kind of high-speed road conditions detection vehicle of estimating multinomial road quality index that can be used for detecting.

Background technology

In the construction of high-grade highway, operation, maintenance, the multinomial quality index situation of road such as the various environmental informations of surface evenness, construction depth, pavement track, road surfaces crack and road both sides index situations such as (as guardrail, side slope, isolation strip, center) all are very important for construction department and vehicle supervision department.How These parameters is carried out fast, objectively detected and estimates, be the problem that relevant department extremely pays close attention to for a long time always.

At present, this area is detected with the present situation of estimating as described below to relevant road quality index.

Detection and evaluation for surface evenness, construction depth index, though adopted advanced laser measuring technology so far, but its many independent detection and evaluations that also are only limited to these two indexs, and only be to detect roughness index on the wheel path, still do not accomplish to make it to carry out high-level efficiency simultaneously and detect with other pavement quality index.

For the detection and the evaluation of pavement track index, the laser detector existing questions that adopts mainly is that the laser probe quantity that installation is laid on cross-sectional direction is few at present, and detection width is less than the width of a runway, and accuracy of detection is low; The crossbeam that laser probe is installed in addition often is laid in the outside of inspection vehicle, and the width of crossbeam also exceeds the width of inspection vehicle, is unfavorable for traffic safety.The detection of road pavement rut index also still detects separately generally speaking, does not also accomplish to make it to carry out high-level efficiency simultaneously with other pavement quality index and detects.

Detection and evaluation for damaged situations such as pavement cracks, the main at present mode that still adopts the visual record of artificial walking to detect, have problems such as detection efficiency personal safety hidden danger low, that influence normal traffic and testing staff is big, and the existing in recent years digital picture detection method of using does not accomplish yet that carrying out high-level efficiency simultaneously with other pavement quality index detects.For the detection of road environment information, also mainly is at present to adopt artificial method to carry out in addition, efficient is low, can not realize that long distance detects on a large scale.

Even if at present the pick-up unit of the existing multiple tracks road index that adopts generally also only is the comprehensive of several single indexs, also do not realize the comprehensive detection of all indexs, so that its function and performance also all are difficult to is satisfactory.

Summary of the invention

The objective of the invention is to the problem that prior art exists is solved, provide a kind of novel structure, multiple functional, easy to operate, accuracy of detection is high, can realize the high-speed road conditions detection vehicle that the multinomial road quality index comprehensive of multinomial road quality index detects.

For achieving the above object and the high-speed road conditions detection vehicle of development comprises a car body with operation room, its technical pattern feature mainly contains: (1). be provided with 2 flatness that can send collimated laser beam downwards, construction depth detection laser probe (laser displacement sensor) at the car body front end; (2). respectively be equipped with two in the contour symmetry in car body upper rear end both sides and can make the camera of bowing, comprise that a pavement track detects shooting camera and a road surface breakage line-scan digital camera to taking; (3). respectively be provided with one in car body rear lower both sides and have the high-power laser line generator (laser displacement sensor) that the linear laser source direction is regulated rotating shaft, laser line generator the place ahead is provided with beam expanding lens, and line laser beam to the pavement track that sends to the oblique back lower place by laser line generator detects the road surfaces to be measured place of taking shooting district under the camera; (4). in the car body rear end lower line-scan digital camera LED lamp concentration illumination device is housed, said line-scan digital camera LED lamp concentration illumination device has an inclination concave surface chamber lamp bracket, surface of internal cavity at lamp bracket is equipped with at least 5 row LED lamp banks by aluminium base fixed head, every row LED lamp bank comprises at least 9 LED lamps, be equipped with a front and back position and the adjustable cylindrical mirror of direction in every row LED lamp bank the place ahead, the light that is sent by each row LED lamp is focused to a bright band in the line-scan digital camera shot location behind adjustable cylindrical mirror; (5). in the rear and front end at car body top road environment camera and security monitoring camera are housed respectively, also are provided with the GPS positioning antenna at the car body top; (6). the control circuit device that in the car body operation room, is provided with worktable, generator, industry control rack etc. and is used for control detection laser probe, laser line generator, line-scan digital camera, work such as pavement track detection shooting camera, LED lamp concentration illumination device and camera.

In the real work, when high-speed road conditions detection vehicle to overtake the time, by be located at the setting of car body front end flatness, construction depth detection laser probe road pavement detect, the data that collect are after machine carries out data processing as calculated, just can detect the multinomial road quality index such as flatness, rut, construction depth on road surface fast and accurately.When carrying out above-mentioned quality testing, the laser line generator that is arranged on the car body back lower place is expanded in one direction by the light beam that beam expanding lens sends LASER Light Source, the laser scattered lines that its projection on the road surface forms, behind pavement track detection digital filming camera imaging, " curve " that just obtains a correspondence as, relend and help Digital Image Processing and calculate information such as the degree of depth that can obtain pavement track, left and right sides rut size.In addition, the road environment camera that is located at car body top front end can detect the environment of inspection vehicle road ahead both sides, the security monitoring camera that is located at the car body top rear can monitor the situation at inspection vehicle rear portion, the information of being obtained is all delivered to computing machine and is carried out data processing, and then can obtain the various environmental information indexs in guardrail, side slope, isolation strip, center of road surfaces crack and road both sides.The line-scan digital camera of installing in the car body upper back is mainly used in the damaged situation of recording channel road surfaces of taking, the line-scan digital camera LED lamp concentration illumination device of being adorned in the car body rear end lower is then as the auxiliary lighting apparatus of line-scan digital camera shooting process, when adopting this LED lamp concentration illumination device, by electric control system start all or the more the light that sends of a LED lamp forms a high brightness light belt (light filling) on the object plane and is radiated on the shooting road surface through focusing on behind the adjustable cylindrical mirror, form the high-luminance light face, can satisfy the requirement of the different brightness illuminations of area array cameras shooting.

Compared with prior art, the remarkable advantage that the present invention has is: the set-up mode that 1, adopts cooperatings such as laser displacement sensor, high-power laser line generator, line-scan digital camera, LED lamp concentration illumination device, also devices such as road environment camera, security monitoring camera and GPS positioning antenna are concentrated simultaneously to be arranged on the car body, realized integrated comprehensives such as road evenness, rut, construction depth, road surface breakage, road environment, GPS location are detected; 2, interior space (car) is divided into workspace and auxiliary region, work space is spacious and comfortful, can install various device in the car concentratedly protection, unified being installed in the industry control rack, the design of every working position meets human body operation requirement in the car, helps the long testing of staff; 3, the synchronous oblique illumination of LED lamp concentration illumination device that is made of many groups LED lamp is adopted in the illumination of road pavement breakage, realized even illumination, solve line-scan digital camera in the past and take the not enough problem of the illumination that exists in the image, the drawing that camera is collected is clear, brightness and good contrast, ambient light interference are little; 4, the road environment information acquisition adopts many cameras to take, and can realize the place ahead 180 degree panorama and right side wide-long shots; 5, carry electricity generating and supplying system on the car, can be all detection systems and affiliated facility uninterrupted stabilized voltage supply is provided; 6, all laser detection probes all are installed in inspection vehicle inside, and line laser light source that rut detects and shooting camera are not overtaken other vehicles wide, help traffic safety.

Description of drawings

Fig. 1 is the structural representation of a specific embodiment of the present invention.

Fig. 2 overlooks to structural representation for this high-speed road conditions detection vehicle.

Fig. 3 is that this inspection vehicle backsight is to the work structuring synoptic diagram.

Fig. 4 is the structural representation of an embodiment of this inspection vehicle LED lamp concentration illumination device.

Fig. 5 bows to view for LED lamp concentration illumination device example structure shown in Figure 4.

Each label is respectively among the figure: 1-GPS positioning antenna, 2-pavement track detect takes camera, the high-power laser line generator of 3-, 4-road surface breakage line-scan digital camera, 5-line-scan digital camera LED lamp concentration illumination device, 5a-inclination concave surface chamber lamp bracket, the aluminium base fixed head of 5b-, 5c-LED lamp, 5d-cylindrical mirror, 5e-adjustable support screw rod, the fixing hinge of 5f-plate, 5g-hinge, 5h-scalable ball pivot, the 5i-fixing frame plate, the 6-flatness, construction depth detection laser probe, 7 (7a~7d)-the road environment camera, 8-electro-optical distance measurement scrambler, 9-rear security monitoring camera, 10-one-man job platform, 11-one-man job chair, 12-two-handed work platform, 13-two-handed work chair, the single back work chair of 14-, the double back work chair of 15-, 16-industry control rack, the 17-generator, the collapsible back work chair of 18-, 19-car body, 20-dwang, the 21-camera is regained rotating shaft, and 22-linear laser source direction is regulated rotating shaft.

Embodiment

Be described further below with reference to the content of drawings and Examples, but actual fabrication structure of the present invention is not limited in following embodiment the invention of this reality.

Referring to accompanying drawing, high-speed road conditions detection vehicle of the present invention is by car body 19 and be arranged on high-power laser line generator 3, pavement track on the car body 19 and detect to take camera 2, road surface breakage line-scan digital camera 4, line-scan digital camera LED lamp concentration illumination device 5, flatness, construction depth detection laser probe 6, road environment camera 7, rear security monitoring video camera 9, GPS positioning antenna 1 and be configured in worktable 10,12 in the car body car, work chair 11,13~15,18, generator 17, industry control rack 16, control circuit device etc. and form.

Two road surface breakage line-scan digital cameras 4 and two pavement tracks detect shooting camera 2 and are laid in both sides, car body 19 rear end by dwang 20 hinge dresses respectively, and camera 2,4 can stretch out with dwang 20 under control circuit drives or take in automatically during work.

Two flatness, construction depth detection laser probes 6 are arranged on the car body front end, can send collimated laser beam downwards.Two high-power laser line generators that have linear laser source direction adjusting rotating shaft 22 were located at car body 19 rear lower both sides in 3 minutes, laser line generator 3 the place aheads are provided with beam expanding lens, line laser beam to the pavement track that sends to the oblique back lower place by laser line generator 3 detect take that camera takes the district for 2 times treat the dypass surface.

Be contained in car body 19 rear end lower for line-scan digital camera 4 provides the LED lamp concentration illumination device 5 of floor light, its structure as shown in Figure 4 and Figure 5.It has one and is installed in inclination concave surface chamber lamp bracket 5a on the fixing frame plate 5i by adjustable support screw rod 5e and following link hinge, surface of internal cavity at lamp bracket 5a is equipped with at least five row LED lamp banks by aluminium base fixed head 5b, every row LED lamp bank comprises at least 9 LED lamp 5c, the place ahead at every row LED lamp bank is equipped with a front and back position and the adjustable cylindrical mirror 5d of direction, but the light that is sent by each row LED lamp bank is focused to a bright band in line-scan digital camera 4 shot location behind tuning cylindrical mirror 5d, can satisfy the requirement of the different brightness illuminations of area array cameras shooting.Lamp bracket 5a can pass through adjustable support screw rod 5e, fixing three-dimensional regulation of cutting with scissors the adjustment of plate 5f, hinge 5g, scalable ball pivot 5h etc. with the realization angle of pitch, inclination angle, the left and right sides, level angle, upper-lower position on the practical structures.

At car body 19 top front ends four road environment camera 7a~7d are housed, wherein three camera 7a~7c along overall width to being symmetrical arranged, it takes optical axis respectively towards oblique the place aheads of car body dead ahead and car body both sides, another camera 7d is in slightly position, back setting, it takes optical axis towards the outer side of car body, can realize the place ahead 180 degree panorama and right side wide-long shots.

GPS positioning antenna 1 is located at the car body top, adopts accurately location of photoelectric encoder and GPS associating.

Workspace in the inspection vehicle and auxiliary region are separated by middle two industry control racks 16 that are provided with in the car, and various device can be installed protection and unified being installed in the industry control rack 16 concentratedly in the car.Be provided with worktable 10,12, work chair 11,13~15,18, generator 17 in the workspace, generator 17 can be all detection systems and affiliated facility provides uninterrupted stabilized voltage supply.Three working positions and four rest positions are arranged in the car, and wherein the design to working position can make operating personnel towards driving the place ahead, helps long testing.

Claims (3)

1. a high-speed road conditions detection vehicle comprises a car body (19) with operation room, it is characterized in that:
1.1 be provided with 2 flatness, construction depth detection laser probes (6) that can send collimated laser beam downwards at car body (19) front end;
Can make the camera of bowing 1.2 respectively be equipped with two, comprise that a pavement track detects a shooting camera (2) and a road surface breakage line-scan digital camera (4) to taking in the contour symmetry in car body (19) upper rear end both sides;
Have the high-power laser line generator (3) that the linear laser source direction is regulated rotating shaft (22) 1.3 respectively be provided with one in car body (19) rear lower both sides, laser line generator (3) the place ahead is provided with beam expanding lens, and line laser beam to the pavement track that sends to the oblique back lower place by laser line generator (3) detects the road surfaces to be measured place of taking shooting district under the camera (2);
1.4 a line-scan digital camera LED lamp concentration illumination device (5) is housed in car body (19) rear end lower, said line-scan digital camera LED lamp concentration illumination device (5) has an inclination concave surface chamber lamp bracket (5a), surface of internal cavity at lamp bracket (5a) is equipped with at least 5 row LED lamp banks by aluminium base fixed head (5b), every row LED lamp bank comprises at least 9 LED lamps (5c), be equipped with a front and back position and the adjustable cylindrical mirror (5d) of direction in every row LED lamp bank the place ahead, the light that is sent by each row LED lamp (5c) is focused to a bright band in line-scan digital camera (4) shot location behind adjustable cylindrical mirror (5d);
1.5 in the rear and front end at car body (19) top road environment camera (7) and security monitoring camera (9) are housed respectively, also are provided with GPS positioning antenna (1) at car body (19) top;
1.6 the control circuit device that in the car body operation room, is provided with worktable chair (10,12), generator (17), industry control rack (16) and is used for control detection laser probe (6), laser line generator (3), line-scan digital camera (4), pavement track detection shooting camera (2), LED lamp concentration illumination device (5) and camera (7,9) work.
2. high-speed road conditions detection vehicle according to claim 1 is characterized in that pavement track detects shooting camera (2) and road surface breakage line-scan digital camera (4) is contained in car body (19) upper rear end both sides by dwang (20) hinge.
3. high-speed road conditions detection vehicle according to claim 1, it is characterized in that four road environment cameras (7a~7d) being housed at car body (19) top front end, wherein three cameras (7a~7c) along overall width to being symmetrical arranged, it takes optical axis respectively towards oblique the place aheads of car body dead ahead and car body both sides, another camera (7d) is in slightly position, back setting, and it takes the outer side of optical axis towards car body.
CN2009100212983A 2009-02-27 2009-02-27 High-speed road conditions detection vehicle CN101487224B (en)

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Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102518029B (en) * 2011-12-23 2014-05-21 同济大学 Bituminous pavement damage integrated intelligent detection vehicle
GB2510833B (en) * 2013-02-13 2017-02-22 Wdm Ltd A road marking analyser and a method of analysing of road markings
CN103290766B (en) * 2013-06-24 2016-01-13 广东惠利普路桥信息工程有限公司 Pavement crack detection system
CN103471710B (en) * 2013-09-18 2015-08-05 重庆交通大学 Road lighting quality detection device
CN104746413B (en) * 2013-12-27 2017-02-22 北京恒达锦程图像技术有限公司 Road detection vehicle
CN104805760B (en) * 2015-03-31 2017-03-15 山东省公路桥梁检测中心 A kind of pavement disease information automation collecting vehicle and acquisition method
TWI588444B (en) * 2015-10-08 2017-06-21 國立勤益科技大學 Pavement detecting method, pavement detecting device and pavement detecting system
CN105839505B (en) * 2016-03-18 2017-09-29 交通运输部科学研究院 The detection method and detection means of a kind of road surface breakage information of three-dimensional visualization
CN105841934B (en) * 2016-06-15 2018-01-12 吉林大学 The test system of vehicle-mounted road surface crackle Active visual inspection system illumination effect
CN107792268A (en) * 2017-09-19 2018-03-13 徐州苏彭车辆科技有限公司 One kind carries human body induction type electric car day safe driving device
CN108254746B (en) * 2018-03-20 2018-11-13 中国地质大学(北京) A kind of road quality dynamic monitor based on sanitation cart

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CN201354024Y (en) * 2009-03-03 2009-12-02 长安大学 High-speed road condition inspection vehicle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201354024Y (en) * 2009-03-03 2009-12-02 长安大学 High-speed road condition inspection vehicle

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