CN205062630U - Portable pavement detection device - Google Patents
Portable pavement detection device Download PDFInfo
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- CN205062630U CN205062630U CN201520396777.4U CN201520396777U CN205062630U CN 205062630 U CN205062630 U CN 205062630U CN 201520396777 U CN201520396777 U CN 201520396777U CN 205062630 U CN205062630 U CN 205062630U
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Abstract
The utility model provides a portable pavement detection device, include: a support, inject a first platform, second platform and be located first platform and the second platform between connecting portion, be located at least one the laser emission subassembly that is used for launching fan -shaped laser to the road surface on the first platform, it has a power source and a synchro control signal interface, be located at least one the wide angle imaging device on the second platform, its camera lens orientation the road surface is used for gathering the fan -shaped laser that the laser emission subassembly is launched is in the laser marking that forms on the road surface, this wide angle imaging device have a power source and image data transmission and/or control interface, wherein, connecting portion and/or first platform are set to to be used for being connected to outside running gear, and at least one laser emission subassembly is in on the first platform towards road surface slope make by the fan -shaped laser of this laser emission subassembly transmission with the angle value that the road surface formed a projectional angle is 12 to 45.
Description
Technical field
The present invention relates to road surface technical field of measuring equipment, especially the measurement of road surface geometry and technology status, in particular to the portable road surface checking device of one.
Background technology
Along with developing rapidly of China's speedway, online high-speed intelligent road surface automatic checkout equipment uses in a large number.But price is high, technical sophistication, is generally specialized company's equipment, regularly makes commercial detection, but the rut of this multi-functional automatic checkout equipment, the configuration and techniques performance of planeness subsystem uses the reasons such as mechanical shock to change due to long distance, measurement result departs from truly, even on the contrary, need to demarcate to professional unit special method, require great effort time-consuming, code as international in planeness Shang You, strictly measures road surface elevation opisometer with the artificial pointwise of one-level level gauge and calculates IRI and compare demarcation.And the measuring method of rut is multiple as being total to platform many elevations sensor, method, line laser method, laser scanning and ranging method etc., national rule is also difficult to the scaling method determining to generally acknowledge.To be traditional three meter rulers artificial point-to-point measurement maximum distortion degree of depth method be obviously the field calibration method listing code in had not only required great effort time-consuming but also very simple and coarse method.Rut shape and sectional curve can not be provided, therefore a kind of definite principle is developed credible, calibration facility is compared at the scene of conveniently planeness, particularly rut, ensures that the scene of High-Speed Automatic checkout equipment is compared fast and demarcates with the efficiently and accurately ensureing High-Speed Automatic equipment.
In prior art, this is proposed to some good solutions, a kind of three-dimensional pavement elevation grid numerical value detection detection system that such as No. 201410017255.9 Chinese patent application proposes, utilize the combination of generating laser and area array CCD to realize detection and the Image Acquisition of laser, the identification based on image obtain with one end, track white line be ordinate direction Y-axis, the orthogonal grid coordinate database that is abscissa direction X-axis with cross-section straight line laser.Carry out follow-up pavement state analyzing and processing based on this database like this and just have the more directly testing result of data and relative standard.
For such detection system, applicant through concentrating on studies and test, thinks the needs still having improvement.
Summary of the invention
The object of the invention is to provide a kind of portable road surface checking device, and the detection of pavement behavior is carried out at the rear that can be arranged on any walking mechanism expediently, obtains scan-data, and stabilized structure, and systematic error is little.
Above-mentioned purpose of the present invention is realized by the technical characteristic of independent claims, and dependent claims develops the technical characteristic of independent claims with alternative or favourable mode.
For reaching above-mentioned purpose, a first aspect of the present invention proposes a kind of portable road surface checking device, comprising:
One support, limits one first platform, the second platform and the connecting portion between the first platform and the second platform, and this connecting portion connects described first platform and the second platform and fastening first platform and the second platform respectively;
Be positioned at least one on the first platform for launching the Laser emission assembly of fan laser to road surface, it has a power interface and a synchronous control signal interface;
Be positioned at least one wide-angle camera apparatus on the second platform, the straight line laser that the fan laser that its camera lens is launched towards described road surface for gathering described Laser emission assembly is formed on described road surface, this wide-angle camera apparatus has a power interface and an image data transmission and/or control interface;
Wherein, described connecting portion and/or the first platform are arranged for being connected to outside walking mechanism, and at least one Laser emission assembly described makes to form the angle value of a projectional angle at 12 ° to 45 ° by the fan laser of this Laser emission assembly transmitting and described road surface towards inclination on described first platform.
In further example, the first platform of described support, the second platform lay respectively at the same side of connecting portion, and such as framework construction is class similar C-shaped.
In further example, the first platform of described support, the second platform lay respectively at the not homonymy of connecting portion, and such as framework construction is Z-shaped.
In further example, described first platform, the second platform and connecting portion are one-body molded structure.
In further example, the angle value of described projectional angle is at 12 ° to 25 °.Aforementioned 12 ° within the scope of 45 °, less projectional angle should be chosen as much as possible, when fan laser is projected on road surface, in short distance, the road ahead of about 2 meters forms sufficiently long straight line laser and (especially needs across at least one lane line length, even multiple) and the situations such as road surface height relief, texture can be amplified preferably, when detecting section, clearly show the situation on road surface.In the scope that this is chosen, straight line laser is for the smile deformation on road surface, and such as texture, fluctuating etc. have good amplification and effect, can observe the careful situation on road surface intuitively.
In further example, the camera lens of described wide-angle camera apparatus is towards described road surface and its optical axis is vertical with road surface.One side like this can obtain larger, desirable visual field, taking the computing problem about inclination angle that the image obtained does not need when subsequent treatment to consider to bring because of tilting on the other hand, reducing the complexity of data processing.
In further example, described wide-angle camera apparatus is wide-angle CCD camera, and its visual angle is more than or equal to 50 degree.
In further example, described portable road surface checking device comprises a dc source more, is positioned on described first platform, and the output of this dc source is connected with the power interface of described wide-angle camera apparatus and Laser emission assembly respectively by power line.So, when whole road surface checking device to be fixed in walking mechanism on such as dolly, because the first platform is in below, the whole weight of dc source and Laser emission assembly makes the decentralization of whole portable road surface checking device, and the wide-angle camera apparatus being positioned at top is lighter, make whole device can safeguard a more stable position and state in pavement detection process, the impact being subject to road bump is less.
In further example, described dc source is positioned at the rear position in the laser emitting direction of described Laser emission assembly on described first platform.
In further example, described dc source comprises at least one chargeable storage and/or for receiving the charging inlet circuit of external electric energy input.
As long as should be appreciated that aforementioned concepts and all combinations of extra design described in further detail below can be regarded as a part for subject matter of the present disclosure when such design is not conflicting.In addition, all combinations of theme required for protection are all regarded as a part for subject matter of the present disclosure.
The foregoing and other aspect of the present invention's instruction, embodiment and feature can be understood by reference to the accompanying drawings from the following description more all sidedly.Feature and/or the beneficial effect of other additional aspect of the present invention such as illustrative embodiments will be obvious in the following description, or by learning in the practice of the detailed description of the invention according to the present invention's instruction.
Accompanying drawing explanation
Accompanying drawing is not intended to draw in proportion.In the accompanying drawings, each identical or approximately uniform ingredient illustrated in each figure can represent with identical label.For clarity, in each figure, not each ingredient is all labeled.Now, the embodiment of various aspects of the present invention also will be described with reference to accompanying drawing by example, wherein:
Fig. 1 is the structural representation (also show the walking mechanism that this road surface checking device carries in this figure) of the portable road surface checking device that certain embodiments of the invention are described.
Fig. 2 is the structural representation (also show the walking mechanism that this road surface checking device carries in this figure) of the portable road surface checking device that other embodiments of the present invention are described.
Fig. 3 is the structural representation (lateral view) of the portable road surface checking device medium-height trestle that certain embodiments of the invention are described.
Fig. 4 is the structural representation (front view) of the portable road surface checking device medium-height trestle that certain embodiments of the invention are described, comprises a connecting portion.
Fig. 5 is the structural representation (front view) of the portable road surface checking device medium-height trestle that certain embodiments of the invention are described, comprises two connecting portions.
Fig. 6 is the structural representation (also show the walking mechanism that this road surface checking device carries in this figure) of the portable road surface checking device that certain embodiments of the invention are described.
Fig. 7 is the schematic diagram of Laser emission assembly in the portable road surface checking device that certain embodiments of the invention are described.
Fig. 8 is the schematic diagram of wide-angle camera apparatus in the portable road surface checking device that certain embodiments of the invention are described.
Fig. 9 is the structural representation (also show the walking mechanism that this road surface checking device carries in this figure) of the portable road surface checking device that certain embodiments of the invention are described.
Figure 10 is the power supply connection diagram of dc source and Laser emission assembly in the portable road surface checking device that certain embodiments of the invention are described, wide-angle camera apparatus.
Detailed description of the invention
In order to more understand technology contents of the present invention, institute's accompanying drawings is coordinated to be described as follows especially exemplified by specific embodiment.
Each side with reference to the accompanying drawings to describe the present invention in the disclosure, shown in the drawings of the embodiment of many explanations.Embodiment of the present disclosure must not be intended to comprise all aspects of the present invention.Be to be understood that, multiple design presented hereinbefore and embodiment, and describe in more detail below those design and embodiment can in many ways in any one is implemented, this is because design disclosed in this invention and embodiment are not limited to any embodiment.In addition, aspects more disclosed by the invention can be used alone, or otherwisely anyly appropriately combinedly to use with disclosed by the invention.
Fig. 1 is the structural representation (also show the walking mechanism that this road surface checking device carries in this figure) of the portable road surface checking device that certain embodiments of the invention are described, according to embodiments of the invention, a kind of portable road surface checking device, comprises support 100 and is arranged at least one Laser emission assembly 110 and at least one wide-angle camera apparatus 120 on support 100.Support 100 is fixedly mounted in walking mechanism 200 by suitable mode.Walking mechanism 200, the walking mechanism that all manual, electronic, pneumatic or other any modes in this way drive, especially by traction drive motion.As shown in Figure 1, walking mechanism 200 in this example is configured to an electrically driven truck, and (electric driver mechanism of go-cart is known technology, therefore do not represent), there are at least two road wheels 203, for driving this electrically driven truck 200 to move, thus the portable road surface checking device be mounted in go-cart 200 is made to detect road surface to be measured continuously and obtain surface condition data.
The road surface status data that these are acquired, by data line transfer to monitor terminal (as computer), carries out the real-time display of data, carries out the process and analysis etc. of being correlated with.
As shown in Figure 1, support 100, define one first platform 102, second platform 104 and the connecting portion between the first platform and the second platform 101, this connecting portion 101 connects described first platform 102 and the second platform 104 and fastening first platform 102 and the second platform 104 respectively.So to form firm connection between platform and connecting portion at two, when connecting portion is installed in walking mechanism, can ensure that the position of Laser emission assembly 110 on the company's of being arranged on platform and wide-angle camera apparatus 120 is relatively stable constant, thus reduce as much as possible and eliminate systematic error.
At least one Laser emission assembly 110, for launching fan laser to road surface, these fan laser to road surface M transmitting and road surface form a straight line laser.Should be appreciated that straight line laser should long enough, to make its lane line across two ends, track (white wire).
These Laser emission assemblies 110, are positioned on the first platform 102.Laser emission assembly 110, as shown in Figure 7, has an a power interface 110a and synchronous control signal interface 110b, certainly also comprises one towards the laser emitting end 110c on road surface.Being received by aforementioned synchronization control signal interface 110b makes Laser emission assembly 110 launch the signal of fan laser for controlling.
At least one wide-angle camera apparatus 120, is positioned on the second platform 104, the straight line laser that its camera lens is formed towards road surface M for the fan laser gathering described Laser emission assembly 110 and launch on described road surface.
These wide-angle camera apparatus 120, shown in composition graphs 8, have a power interface 120a and an image data transmission and/or control interface 120b.Image data transmission and/or control interface 120b are arranged for the control signal that receives and make a video recording/take pictures wide-angle camera apparatus and/or for transmitting the view data (view data about aforementioned laser graticule) that this wide-angle camera apparatus 120 obtains.
Pavement detection is carried out in traditional being arranged on by generating laser on vehicle, when causing vehicle that the situations such as fluctuating occur when pavement behavior occurring being bad, easily causes the appearance of systematic error.In this example, Laser emission assembly 110 and wide-angle camera apparatus 120 are arranged on two platforms of the support of common beam (i.e. aforesaid connecting portion), two platforms firmly connect, and by whole support installing in walking mechanism (as carried car or go-cart), can therefore reduce as much as possible and eliminate systematic error.
Shown in composition graphs 1, connecting portion 101 is arranged for being connected to outside walking mechanism 200, and at least one Laser emission assembly 110 described tilts to make to form the angle value of a projectional angle α at 12 ° to 45 ° by the fan laser of this Laser emission assembly transmitting and road surface M towards road surface M on described first platform 102.
At selected 12 ° within the scope of 45 °, the fan laser launched by aforementioned laser emitting module 110 can effectively project on the M of road surface, when fan laser is projected on road surface, in short distance, the road ahead of about 2 meters forms sufficiently long straight line laser and (especially needs across at least one lane line length, even multiple) and the situations such as road surface height relief, texture can be amplified preferably, when detecting section, clearly show the situation on road surface.
In a further embodiment, as shown in Figure 2, support 100 is connected to described walking mechanism (electrically driven truck 200) by its connecting portion 101 and the first platform 102, support 100 is made to be arranged on electrically driven truck 200 more securely, aforementioned connecting portion 101 and the first platform 102 are arranged for being connected to outside walking mechanism 200, therefore reduce the systematic error brought due to factors such as shaking, jolt.
Certainly, in a further embodiment, support 100 is connected to described walking mechanism (electrically driven truck 200) by its first platform 102.
Preferably, the first platform 102, second platform 104 and connecting portion 101 are in one-body molded structure.So to form firm connection between platform and connecting portion at two, when support 100 being installed in walking mechanism 200 by connecting portion and/or the first platform, can ensure that the relative position of Laser emission assembly on the company's of being arranged on platform and wide-angle camera apparatus is constant, thus reduce as much as possible and eliminate systematic error.
Fig. 3 illustrates the lateral view of the support 100 configured in Fig. 1, Fig. 2, and Fig. 4, Fig. 5 show respectively the different embodiment (front view) of two of support 100.
In the example shown in Figure 4, support 100 comprises a connecting portion 101, for fastening first platform 102 and the second platform 104.
In the example as shown in fig. 5, support 100 comprises a connecting portion 101, for fastening first platform 102 and the second platform 104 more securely, guarantee the invariant position between Laser emission assembly 110 and wide-angle camera apparatus 120 when detecting, thus reduce as much as possible and eliminate systematic error.
In this example, the example shown in composition graphs 1, Fig. 2 and Fig. 3-5, the first platform 102, second platform 104 of support 100 lays respectively at the not homonymy of connecting portion 101, and such as framework construction is Z-shaped.
In other example, the first platform 102, second platform 104 of support 100 lays respectively at the same side of connecting portion 101, and such as framework construction is class similar C-shaped.Such example also 6 will be illustrated by reference to the accompanying drawings in following content.
Fig. 6 is the structural representation (also show the walking mechanism that this road surface checking device carries in this figure) of the portable road surface checking device that certain embodiments of the invention are described, the support 100 of the portable road surface checking device of this example, its the first platform 102, second platform 104 lays respectively at the same side of connecting portion 101, be configured to class similar C-shaped, especially there is opening
shape (side-looking).Relative to electrically driven truck 200, the first platform 102 can not stretch out the vehicle body of this electrically driven truck 200, also only can stretch out sub-fraction.And the second platform 104 is the vehicle bodies more stretching out this electrically driven truck 200.
Fig. 9 is the structural representation (also show the walking mechanism that this road surface checking device carries in this figure) of the portable road surface checking device that certain embodiments of the invention are described, in this example, portable road surface checking device also comprises a dc source 130, for providing supply of electric power, especially for described Laser emission assembly 110 and wide-angle camera apparatus 120 provide the electric power needed for work for portable road surface checking device.
As shown in Figure 10, the output of dc source 130 is connected to the power interface of Laser emission assembly 110 and wide-angle camera apparatus 120 by power line 140.
As preferred example, as shown in Figure 9, dc source 130, is positioned on described first platform 102.So, when whole road surface checking device to be fixed in walking mechanism on such as dolly, because the first platform 102 is in below, the whole weight of dc source 130 and Laser emission assembly 110 makes the decentralization of whole portable road surface checking device, and the wide-angle camera apparatus being positioned at top is lighter, make whole device can safeguard a more stable position and state in pavement detection process, the impact being subject to road bump is less.
In one or more example described above, more preferably, the fan laser launched by Laser emission assembly 110 and road surface M form the angle value of a projectional angle α at 12 ° to 25 °.Aforementioned 12 ° within the scope of 45 °, less projectional angle should be chosen as much as possible, when fan laser is projected on road surface, in short distance, the road ahead of about 2 meters forms sufficiently long straight line laser and (especially needs across at least one lane line length, even multiple) and the situations such as road surface height relief, texture can be amplified preferably, when detecting section, clearly show the situation on road surface.In the scope that this is chosen, straight line laser is for the smile deformation on road surface, and such as texture, fluctuating etc. have good amplification and effect, can observe the careful situation on road surface intuitively.
In one or more example described above, more preferably, the camera lens of described wide-angle camera apparatus 120 is towards described road surface and its optical axis is vertical with road surface.One side like this can obtain larger, desirable visual field, taking the computing problem about inclination angle that the view data obtained does not need when subsequent treatment to consider to bring because of tilting on the other hand, reducing the complexity of data processing.
In one or more example described above, more preferably, described wide-angle camera apparatus 120 is wide-angle CCD camera, and its visual angle β is more than or equal to 50 degree.This wide-angle camera apparatus 120 has lens group and for catching imageing sensor (CCD) via lens group imaging for opto-electronic conversion, and converts imaging to the signal of telecommunication.
In one or more example described above, more preferably, described portable road surface checking device comprises a dc source 130 more, and this dc source is positioned at the rear position in the laser emitting direction of described Laser emission assembly on described first platform.
In one or more example described above, more preferably, described dc source 130 comprises at least one chargeable storage and/or for receiving the charging inlet circuit of external electric energy input.These chargeable storages can be removably disposed in dc source 130, when electric power is not enough or do not have during electricity and directly replace, also can be carry out charging to it when needed to carry out electric energy and supplement.
Although the present invention with preferred embodiment disclose as above, so itself and be not used to limit the present invention.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (10)
1. a portable road surface checking device, is characterized in that, comprising:
One support, limits one first platform, the second platform and the connecting portion between the first platform and the second platform, and this connecting portion connects described first platform and the second platform and fastening first platform and the second platform respectively;
Be positioned at least one on the first platform for launching the Laser emission assembly of fan laser to road surface, it has a power interface and a synchronous control signal interface;
Be positioned at least one wide-angle camera apparatus on the second platform, the straight line laser that the fan laser that its camera lens is launched towards described road surface for gathering described Laser emission assembly is formed on described road surface, this wide-angle camera apparatus has a power interface and an image data transmission and/or control interface;
Wherein, described connecting portion and/or the first platform are arranged for being connected to outside walking mechanism, and at least one Laser emission assembly described makes to form the angle value of a projectional angle at 12 ° to 45 ° by the fan laser of this Laser emission assembly transmitting and described road surface towards inclination on described first platform.
2. portable road surface checking device according to claim 1, is characterized in that, the first platform of described support, the second platform lay respectively at the same side of connecting portion.
3. portable road surface checking device according to claim 1, is characterized in that, the first platform of described support, the second platform lay respectively at the not homonymy of connecting portion.
4. portable road surface checking device according to claim 3, is characterized in that, described support is Z-shaped structure.
5. according to the portable road surface checking device in claim 1-4 described in any one, it is characterized in that, the angle value of described projectional angle is at 12 ° to 25 °.
6. portable road surface checking device according to claim 1, is characterized in that, the camera lens of described wide-angle camera apparatus is towards described road surface and its optical axis is vertical with road surface.
7. portable road surface checking device according to claim 1, is characterized in that, described wide-angle camera apparatus is wide-angle CCD camera, and its visual angle is more than or equal to 50 degree.
8. portable road surface checking device according to claim 1, it is characterized in that, described portable road surface checking device comprises a dc source more, be positioned on described first platform, the output of this dc source is connected with the power interface of described wide-angle camera apparatus and Laser emission assembly respectively by power line.
9. portable road surface checking device according to claim 8, is characterized in that, described dc source is positioned at the rear position in the laser emitting direction of described Laser emission assembly on described first platform.
10. portable road surface checking device according to claim 8 or claim 9, is characterized in that, described dc source comprises at least one chargeable storage and/or for receiving the charging inlet circuit of external electric energy input.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520396777.4U CN205062630U (en) | 2015-06-01 | 2015-06-10 | Portable pavement detection device |
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| CN201520368848X | 2015-06-01 | ||
| CN201520368848 | 2015-06-01 | ||
| CN201520396777.4U CN205062630U (en) | 2015-06-01 | 2015-06-10 | Portable pavement detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498831A (en) * | 2016-10-31 | 2017-03-15 | 吉林大学 | Vehicle-mounted road surface three-dimensional reconstruction system based on projection grating |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106498831A (en) * | 2016-10-31 | 2017-03-15 | 吉林大学 | Vehicle-mounted road surface three-dimensional reconstruction system based on projection grating |
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