CN207091888U - Road road conditions fast investigation device and test car - Google Patents
Road road conditions fast investigation device and test car Download PDFInfo
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- CN207091888U CN207091888U CN201621305895.0U CN201621305895U CN207091888U CN 207091888 U CN207091888 U CN 207091888U CN 201621305895 U CN201621305895 U CN 201621305895U CN 207091888 U CN207091888 U CN 207091888U
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Abstract
The utility model discloses a kind of road road conditions fast investigation device, including acquisition monitoring computer, network memory and the data acquisition center being connected with each other by interchanger, also include battery component, photoelectric encoder, satellite positioning device, flash lamp module, the data acquisition center is integrated integral structure, for gathering road road surface and road landscape image information, the flatness information on road surface.And also disclose a kind of road road conditions fast investigation car with this device.Device overall volume is small, load-carrying is light, low cost, adapts to complicated road road conditions.
Description
Technical field
Road detection and area of maintenance are the utility model is related to, in particular to a kind of road road conditions fast investigation
Device and test car.
Technical background
With the increase of China's urban and rural highway mileage, while construction of rural highway energetically, the management and maintenance of road
Also it is more and more important.Rural highway has route short, and scattered distribution, industrial grade is low, the features such as pavement quality difference.Existing public affairs
Car is detected on road, and it is generally transformed chassis and roof, and installation detects the sensings such as the camera of index of correlation, laser dress
Put, but this kind of detection car involves great expense, bulky, be not particularly suited for that maintenance of surface technical standard is low, track is narrow, limit for tonnage limit
High rural highway.
The content of the invention
The utility model is aiming at the deficiencies in the prior art, there is provided a kind of small volume, load-carrying are light, low cost, can fit
Answer the road road conditions fast investigation device and test car of complicated road road conditions.
To achieve these goals, the road road conditions fast investigation device designed by the utility model, its it is special it
Be in：Including for for data acquisition center set acquisition parameter, and handle, display data collection center transmit road conditions letter
The acquisition monitoring computer of breath；
For the network memory for the data for storing acquisition monitoring computer and data acquisition center input；
The photoelectric encoder for taking pictures trigger signal and surface evenness sampling of data signal for providing camera；
For each gathered data in synchronous data collection center, and the satellite positioning device of acquisition device current location；
The flash lamp module of illumination is provided during for gathering pavement image information for data acquisition center；
Battery component for device power supply；
Also include being used to gather road surface and road landscape image information, the flatness information on road surface, and it is defeated to gather information
The data acquisition center of acquisition monitoring cyber-net memory is given, the data acquisition center is one that more devices integrate
Body structure；
Acquisition monitoring computer, network memory and the data acquisition are connected with each other centrally through interchanger, the light
Photoelectric coder, satellite positioning device, flash lamp module and battery component are connected with data acquisition center.
Further, the data acquisition center is integrated with laser range sensor, acceleration transducer, Synchronization Control
Plate, A/D module, black and white area array cameras, colored area array cameras, embedded computer, power supply and control module, the embedded meter
Point counting is not connected with interchanger, black and white area array cameras, colored area array cameras, A/D module, satellite positioning device and Synchronization Control plate；
The Synchronization Control plate and satellite positioning device, laser range sensor, accelerometer, photoelectric encoder, black and white area array cameras,
Colored area array cameras, power supply and control module connect；The flash lamp module is connected with power supply with control module.Employ insertion
Formula computer and embedded OS, realizing out electricity can work, and power-off can shut down, and improve the stability of system.
Wherein, the surface evenness information in the acquisition monitoring computer disposal traffic information comprises the following steps：
1) original laser ranging magnitude of voltage and original acceleration magnitude of voltage are demarcated as actual range and actual acceleration；
2) random error in laser ranging data is removed using Gaussian filter；
3) the low frequency trend term in acceleration is removed using FIR high-pass filters, is integrated into speed, reuses FIR height
Bandpass filter removes the low frequency trend term in speed, finally obtains carrier loader platform vibration displacement value to rate integrating.
4) laser ranging value is subtracted into carrier loader platform vibration displacement value, obtains profile of road relative elevation data；
5) using encoder pulse as sampled signal, altitude data is sampled in its rising edge, by constant duration
The profile of road relative elevation data of sampling such as are converted at the sampling of space interval.
The trend term in acceleration information is removed using FIR high-pass filters, measures the vibration displacement of carrier loader platform, to swashing
Ligh-ranging value compensates, so as to calculate surface evenness.This kind of flatness detection algorithm uses the sensor of lower accuracy, i.e.,
The requirement of Country Road Maintenance technical standard can be met, reduce system cost.
Yet further, the interchanger, black and white area array cameras and colored area array cameras pass through kilomega network and insertion respectively
Formula computer connects；The acquisition monitoring computer is connected also by kilomega network with interchanger.Improve operating efficiency.
Yet further, the photoelectric encoder, satellite positioning device, flash lamp module, battery component pass through coaxial electrical
Cable is connected with data acquisition center, good using coaxial cable antijamming capability, transmits data stabilization.
Yet further, the flash lamp module is glistened in turn by power supply and control module control.Multiple flash lamp rotations
Work, reduces single flash fire frequency, increases the service life.
Yet further, the flash lamp is high frequency flashing light lamp, and the flash lamp afterbody is equipped with high-power heat-dissipation fan.Adopt
With high-frequency digital flash lamp, instant discharge power reaches multikilowatt, coordinates technical grade CCD area array cameras, can be mended under sunshine
Light, image caused by reducing tree shade are mottled unintelligible.High-power heat-dissipation fan, whole flash lamp afterbody are installed in flash lamp afterbody
Shell hermetic design, only there is perforate in bulb part, fan is dried to bulb, and air-flow can only be entered by the perforate of bulb part
The space for entering reflection shield and cloche is flowed out, and takes away the heat on bulb, so as to flash bulb forced heat radiation, extend and use
Life-span.
Yet further, in addition to 4G modules, the 4G modules are connected by USB interface with acquisition monitoring computer, are used
Connected in providing internet for acquisition monitoring computer.Online Map is used in acquisition monitoring module, there is provided more accurate
Position navigation Service, it is easy to route collection scheduling.
A kind of road road conditions fast investigation car, including carrier vehicle body, road is provided with the carrier vehicle body
Road conditions fast investigation device, the road road conditions fast investigation device have the feature described in any of the above-described.
Yet further, the acquisition monitoring computer, battery component, interchanger, network memory are arranged on carrier vehicle sheet
Internal portion, the photoelectric encoder are arranged in carrier vehicle body right side rear wheel, data acquisition center and flash lamp the group installation
On carrier vehicle body upper frame.
The advantages of the utility model road road conditions fast investigation device, is：Data acquisition center, will mainly it sense
The unified cassette interior for being arranged on a cuboid of device, forms structure-integrated design, internal sensor device height integration instrument
Device, without being reequiped to carrier vehicle, detachably, it is easy to Fast Installation.High-speed local area network is employed, by data monitoring, collection, storage
Distributed arrangement, the replaceability of storaging medium is improved, be easy to data management, reduced copy, improve operating efficiency.
Brief description of the drawings
Fig. 1 is the utility model road road conditions fast investigation apparatus structure block diagram.
Fig. 2 is data acquisition center composition frame chart.
Fig. 3 is road road conditions fast investigation device overall appearance figure.
Fig. 4 is data acquisition center structure arrangement schematic diagram.
Fig. 5 is flash lamp composition.
Fig. 6 is field data collection composition frame chart.
Fig. 7 is interior industry data analysis flowcharts.
Fig. 8 flatness detection algorithm flow charts.
Embodiment
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings：
As shown in figure 1, the road road conditions fast investigation device designed by the utility model, including it is mutual by interchanger
Acquisition monitoring computer, network memory and the data acquisition center of connection, in addition to battery component, photoelectric encoder, satellite
Positioner, flash lamp module.
Acquisition monitoring computer is used to set acquisition parameter for data acquisition center, and handles, display data collection center
The traffic information transmitted, it is additionally operable to show map, mileage and pile No. information；
The generally integrated integral structure of data acquisition center, for gathering road surface and road landscape image information, road
The flatness information in face, and give collection information conveyance to acquisition monitoring cyber-net memory；
Network memory is used for the data for storing acquisition monitoring computer and data acquisition center input；
Photoelectric encoder, which is used to provide for data acquisition center, gathers mileage information, there is provided camera is taken pictures trigger signal and road
Surface evenness sampling of data signal；
Satellite positioning device is connected with data acquisition center, for being synchronized to each gathered data of data acquisition center,
And obtain present apparatus current location；
Flash lamp module is connected with data acquisition center, and photograph is provided when gathering pavement image information for data acquisition center
It is bright；
Battery component is connected with data acquisition center, for being powered for the present apparatus.
Wherein, as shown in Fig. 2 the data acquisition center is integrated with laser range sensor, acceleration transducer, synchronization
Control panel, A/D module, black and white area array cameras, colored area array cameras, embedded computer, power supply and control module, the insertion
Formula calculate respectively with interchanger, black and white area array cameras, colored area array cameras, A/D module, satellite positioning device and Synchronization Control plate
Connection；The Synchronization Control plate and satellite positioning device, laser range sensor, accelerometer, photoelectric encoder, black and white face battle array
Camera, colored area array cameras, power supply and control module connect；The flash lamp module is connected with power supply with control module.Data
The component that collection center is included is monolithically integrated in a rectangular box, and the present apparatus is using embedded computer and embedding
Enter formula operating system, realizing out electricity can work, and power-off can shut down, and improve the stability of system.Wherein black and white face battle array
Camera uses high-resolution color CCD area array cameras using high-resolution black-white CCD area array cameras, colored area array cameras.Satellite
Positioner uses GNSS receiver.
In order to improve operating efficiency, wherein interchanger, black and white area array cameras and colored area array cameras passes through kilomega network respectively
It is connected with embedded computer；Acquisition monitoring computer is connected also by kilomega network with interchanger.Photoelectric encoder, GNSS days
Line, flash lamp module and battery component are connected by coaxial cable with data acquisition center, and coaxial cable antijamming capability is good, are passed
Transmission of data is stable.
Surface evenness information in acquisition monitoring computer disposal traffic information comprises the following steps：
1) original laser ranging magnitude of voltage and original acceleration magnitude of voltage are demarcated as actual range and actual acceleration；
2) random error in laser ranging data is removed using Gaussian filter；
3) FIR high-pass filters are utilized, weaken the trend term during acceleration information calculates, it is final to obtain carrier loader platform vibration
Shift value.
4) laser ranging value is subtracted into carrier loader platform vibration displacement value, obtains profile of road relative elevation data；
5) altitude data is sampled using encoder pulse, the profile of road that constant duration is sampled is relatively high
Number of passes is according to the sampling for the space interval such as being converted to.
6) surface evenness numerical value is calculated according to flatness defined formula.
The trend term in acceleration information is removed using FIR high-pass filters, measures the vibration displacement of carrier loader platform, to swashing
Ligh-ranging value compensates, so as to calculate surface evenness.This kind of flatness detection algorithm uses the sensor of lower accuracy, i.e.,
The requirement of Country Road Maintenance technical standard can be met, reduce system cost again.
In order to reduce single flash fire frequency, increase the service life.The flash lamp module of the present apparatus includes flash lamp
Group, power supply and control module, power supply are connected with control module with Synchronization Control plate, for being controlled after receiving the instruction of Synchronization Control plate
Flash lamp group is glistened in turn.Flash lamp is high frequency flashing light lamp, and flash lamp afterbody is equipped with high-power heat-dissipation fan.Using high-frequency digital
Flash lamp, instant discharge power reach multikilowatt, coordinate technical grade CCD area array cameras, can reduce tree shade in light filling under sunshine
Caused image is mottled unintelligible.High-power heat-dissipation fan is installed in flash lamp afterbody, whole flash lamp afterbody shell is closed to be set
Meter, only there is a perforate in bulb part, and fan is dried to bulb, air-flow can only by the perforate of bulb part, into reflection shield with
The space outflow of cloche, takes away the heat on bulb, so as to flash bulb forced heat radiation, increase the service life.
The present apparatus also includes 4G modules, and 4G modules are connected by USB interface with acquisition monitoring computer, for being supervised for collection
Control computer and internet connection is provided.Online Map is used in acquisition monitoring module, there is provided more accurate position navigation clothes
Business, is easy to route collection scheduling.
Road road conditions fast investigation car, including carrier vehicle body, the agriculture with features above is provided with carrier vehicle body
Village's road conditions fast investigation device, wherein, acquisition monitoring computer, battery component, interchanger, network memory are arranged on load
Car body interior, photoelectric encoder are arranged in carrier vehicle body right side rear wheel, data acquisition center and flash lamp the group installation
On carrier vehicle body upper frame.
The concrete structure of the utility model road road conditions fast investigation device is as follows：
As shown in figure 1, it is road road conditions fast investigation apparatus structure block diagram.Include 1 photoelectric encoder, satellite
Positioner, flash lamp module, data acquisition center, acquisition monitoring computer, 4G modules, network memory, interchanger and electricity
Pond component.Interchanger is connected with data acquisition center, network memory, acquisition monitoring computer by kilomega network, photoelectric coding
Device, GNSS antenna, flash lamp module and battery component are connected by coaxial cable with data acquisition center.
Core of the data acquisition center as rural area fast investigation device, main sensors are fixedly arranged at one
Inside cuboid box, be integrated with 1 black and white area array cameras, 1 colored area array cameras, 1 laser range sensor, 1 plus
Speedometer, power supply and control module, AD acquisition modules, embedded computer and Synchronization Control plate plate.Black and white and colour plane battle array phase
Machine is connected with embedded computer by kilomega network, and Synchronization Control plate is connected with embedded computer by RS-232 serial ports, AD
Acquisition module is connected with embedded computer by USB interface, and data acquisition center composition is as shown in Figure 2.
The attachment structure and function of wherein each part are as follows：
Acquisition monitoring computer：Interchanger is connected, for setting acquisition control parameter, and real-time display collection image,
Figure, mileage and pile No. information.
Embedded computer：Interchanger, camera, A/D module, GNSS receiver and synchronizer are connected, for parsing collection prison
The control instruction of computer is controlled, forwarding Synchronization Control board parameter sets instruction, stores gathered data.
Network memory：Interchanger is connected, for storing gathered data, carry is embedded computer and acquisition monitoring meter
The local disk of calculation machine, carry out data sharing.
4G modules：Connect acquisition monitoring computer, there is provided service on net, shown for Online Map.
Synchronization Control plate：Embedded computer, GNSS receiver, laser range sensor, accelerometer, photoelectricity is connected to compile
Code device, flash lamp module, camera.For controlling camera to take pictures, sensor signal conversion, sent data to by RS232 serial ports
Embedded computer.
Black and white area array cameras：Embedded computer is connected by kilomega network, Synchronization Control plate sends Pulse Width Control camera and clapped
According to collection pavement image, for disease recognitions such as cracks.
Colored area array cameras：Embedded computer is connected by kilomega network, Synchronization Control plate sends Pulse Width Control camera and clapped
According to collection rear Land-scape picture, for roadside facility checkout.
GNSS receiver：Embedded computer and Synchronization Control plate are connected by RS232 serial ports, for obtaining time and position
Put.Time is used for synchronous images and flatness data, and position is used to be shown on the map of acquisition monitoring computer.
A/D module：Embedded computer is connected by USB interface, by the PPS pulse signals of GNSS receiver, Laser Measuring
Data signal is converted from analog into away from sensor signal, photoelectric encoder signal, accelerometer signal.
Acceleration transducer：The acceleration of vertical direction is measured, the vibration displacement value of equipment is obtained, is put down for detecting road surface
Whole degree.
Laser range sensor：Obtain equipment from road surface with a distance from, for detecting surface evenness.
Photoelectric encoder：Synchronization Control plate is connected, obtains vehicle distance travelled, for controlling camera to take pictures and evenness of road surface
Degrees of data sample calculation.
Power supply and control module：It is connected with Synchronization Control plate, flash lamp module, the power supply of battery component is assigned to each
It is powered in equipment, such as suitable operating voltage is provided to sensor device, control flash lamp takes turns to operate.
Flash lamp module：Be connected with Synchronization Control plate, its trigger pulse is identical with black and white area array cameras, for for road surface it is black
Bai Xiangji, which takes pictures, provides illumination.
Interchanger：Acquisition monitoring computer, network memory and embedded computer are connected, for acquisition monitoring computer
Communicated with embedded computer, data storage and data sharing.Flash lamp group, power supply and control module
As shown in figure 5, flash lamp group is made up of multiple highlighted digital flash lamps.Power supply exists with control module control flash lamp
Discharged in the Microsecond grade time, to reach the instantaneous illumination power of multikilowatt, light filling is carried out to sunshine, reduces road caused by tree shade
Face image is mottled unintelligible, improves pavement image quality.High-power heat-dissipation fan, whole flash lamp tail are installed in flash lamp afterbody
Portion's shell hermetic design, only there is a perforate in bulb part, and fan is dried to bulb, air-flow can only by the perforate of bulb part,
Flowed out into the space of reflection shield and cloche, take away the heat on bulb, so as to flash bulb forced heat radiation, extend lamp
Steep the life-span.There is flash lamp to take turns to operate control circuit in power supply and control module indoor design, control multiple flash lamps work in turn
Make, protect flash lamp.
Surface evenness, measured by realizations such as photoelectric encoder, laser range sensor, accelerometers.Laser ranging
Sensor measures roof distance from the ground.Accelerometer quadratic integral measures Vehicular vibration displacement, and laser ranging value is mended
Repay and realize flatness detection.
The workflow of the utility model road road conditions fast investigation device is as follows：
1) acquisition monitoring computer installation acquisition parameter.Acquisition monitoring computer is sent out by interchanger to embedded computer
Send acquisition parameter that instruction is set, embedded computer sets camera to take pictures parameter, sets A/D module sampling parameter, sets synchronous
Control panel trigger pulse parameter.
2) start to gather, vehicle forward, drive photoelectric encoder to rotate.
A, A/D module presses preset sample frequency, and the PPS signal of GNSS receiver, laser ranging signal, accelerometer are believed
Number and encoder pulse signal from analog signal be converted to data signal, data above is stored in network and deposited by embedded computer
In reservoir.
B, GNSS receiver presses default renewal frequency, obtains detection car current time latitude and longitude coordinates and gps time, right
Synchronization Control plate time service, embedded computer in network memory, and record the GNSS receiver data storage received
Latest position.
C, encoder sends the pulse to Synchronization Control plate, when step-by-step counting reaches setting numerical value, sends and claps to relevant camera
Triggering moment image information is sent according to trigger pulse, while to embedded computer, embedded computer has detected camera bat
According to, will collection image and triggering moment image information be stored in network memory.
3) acquisition monitoring computer inquires about embedded computer acquisition state, display is newest to deposit every prefixed time interval
Position on the pavement image of storage, Land-scape picture, collection mileage, landing pile No. and map.
A kind of road road conditions fast investigation car, it is road road conditions fast investigation device as shown in Figure 3 and Figure 4
Scheme of installation.Including carrier vehicle body, carrier vehicle body, carrier vehicle body, photoelectric coding are typically used as using miniature cross-country car or pick up
Device is arranged on the back wheels of vehicle of right side, and interchanger, battery component, acquisition monitoring computer, network memory are arranged on carrier vehicle body
Inside, data acquisition center box and flash lamp module are fixed on carrier vehicle body top holder by pedestal.Power input, flash of light
Lamp is controlled and wheel encoder is connected with interchanger by air plug, and uniform pitch hangs on top holder end to flash lamp module side by side
End, illumination of taking pictures is provided for road surface camera, black and white area array cameras tilts installation to obtain enough in vertical direction with certain angle
Big visual field, colored area array cameras shoot Land-scape picture backward.
The utility model road road conditions fast investigation device separately locates field data collection and interior industry data analysis
Reason, field data collection major function are road for collection data storage and monitoring collection state, interior industry data analysis major function
Face disease recognition classification and surface evenness calculate.
Wherein, field data gathers, as shown in fig. 6, being road road conditions fast investigation device field data collection group
Into block diagram.Field data acquisition is made up of two parts of acquisition control computer and embedded computer, is divided into five modules：Collection
Monitoring module, acquisition control module, image capture module, Synchronization Control and locating module, surface evenness data acquisition module.
Store the network memory of gathered data, by interchanger, using kilomega network respectively with acquisition monitoring computer and
Embedded computer connects, and carry is the local disk of the two respectively, carries out data sharing.Acquisition monitoring computer and embedded meter
By socket communication between calculation machine, acquisition monitoring computer is as client, and embedded computer is as service end, collection prison
Control computer and actively send newest acquisition state inquiry request to embedded computer every Fixed Time Interval.Acquisition monitoring meter
Calculation machine runs Windows operating system, embedded computer operation Linux embedded OSs.
Acquisition monitoring module：Acquisition monitoring modular program is operated on acquisition monitoring computer, is designed with man-machine interaction circle
Face, for setting collection line information, setting sensor parameters, the current newest pavement image and landscape map preserved of display
Picture, and embedded in Online Map display detection car current geographic position.
Acquisition control module：Acquisition control module program is operated on embedded computer, detection area array cameras, AD moulds
The working condition of block, Synchronization Control plate and GNSS receiver, each data acquisition is controlled to enter according to the instruction of acquisition monitoring module
The working condition of journey.
Image capture module：Image capture module program is operated on embedded computer, is referred to according to acquisition monitoring module
Order sets black and white area array cameras and colored area array cameras to take pictures parameter, stores the pavement image and Land-scape picture collected, Xiang Cai
Collect monitoring module and feed back newest collection image information.
Synchronization Control and locating module：Synchronization Control and locating module program are operated on embedded computer, according to adopting
Collect monitoring module and instruct the synchronous trigger parameter that Synchronization Control plate is set, the camera that storage Synchronization Control plate returns takes pictures triggering together
Information is walked, stores and parses the position temporal information of satellite positioning device return, the position after being parsed to acquisition monitoring module feedback
Confidence ceases.
Surface evenness data acquisition module：Surface evenness data acquisition module program operates in embedded computer
On, A/D module sample frequency is set according to acquisition monitoring module instruction, stores the satellite positioning device after A/D module analog-to-digital conversion
PPS pulses, encoder pulse, laser range sensor and accelerometer signal data.
Interior industry data analysis, as shown in fig. 7, being industry data analysis flowcharts in road road conditions fast investigation device.
Interior industry data analysis flow is divided into pretreatment module, detection algorithm and result module.
Pretreatment module：Computer carries out distortion correction to the pavement image initial data collected and gone at the even light of shade
Reason, demarcation filtering process is carried out to laser initial data, and the demarcation filter integration processing of acceleration initial data is obtained into equipment shakes
Dynamic displacement, finally gives detection algorithm data.
Detection algorithm：For detecting the disease on pavement image and calculating surface evenness.With GPS in all data
Land-scape picture, pavement image and flatness data as benchmark, are synchronized registration, finally give result data by the time
Module.
Result module：Linkage display pavement image, Land-scape picture and flatness data, for showing testing result,
Testing result pavement quality assessment report and form are ultimately produced, the foundation for Country Road Maintenance management.
Flatness detection principle in the utility model road road conditions fast investigation device, as shown in figure 8, laser ranging
The data that sensor is gathered are used for roof and detected to the distance on ground, and the data that accelerometer is gathered are shaken for carrier loader platform
The measurement of dynamic displacement, laser ranging value is subtracted to the carrier loader platform vibration displacement of integrated acceleration, you can acquisition can reflect road
The profile of road relative elevation data of surface evenness, road evenness index is calculated on this basis.Flatness algorithm flow
As shown in the figure.
1) original laser ranging magnitude of voltage and original acceleration magnitude of voltage are demarcated as actual range and actual acceleration；
2) random error in laser ranging data is removed using Gaussian filter；
3) trend term is included in acceleration information, it is impossible to which direct integral is into displacement.The trend term form of expression is believed for low frequency
Number, therefore design FIR high-pass filters, influence of the reducing tendency item to final result；To acceleration information successively filter integration,
It is final to obtain carrier loader platform vibration displacement value；
4) laser ranging value is subtracted into carrier loader platform vibration displacement, obtains profile of road relative elevation data；
5) altitude data is sampled using encoder pulse, the profile of road that constant duration is sampled is relatively high
Number of passes is according to the sampling for the space interval such as being converted to.
6) surface evenness numerical value is calculated according to flatness defined formula.
The advantages of road road conditions fast investigation device designed by the present invention, is as follows:
1) by the unified cassette interior for being arranged on a cuboid of main sensors, structure-integrated design is formed, it is internal
The highly integrated instrumentation of sensor device, without being reequiped to carrier vehicle, detachably, it is easy to Fast Installation.
2) high-speed local area network is employed, data monitoring, collection, distributed storage are laid out, improve storaging medium can
Replaceability, it is easy to data management, reduces copy, improve operating efficiency.
3) embedded computer and embedded OS are employed, realizing out electricity can work, and power-off can shut down,
Improve the stability of system.
4) it is illuminated using flash lamp, devises flash lamp and take turns to operate control circuit, multiple flash lamps can be controlled
Rotation work, single flash fire frequency is reduced, is increased the service life.And high-power heat-dissipation wind is installed in flash lamp afterbody
Fan, whole flash lamp afterbody shell hermetic design, only there is perforate in bulb part, fan is dried to bulb, and air-flow can only pass through
The perforate of bulb part, flowed out into the space of reflection shield and cloche, take away the heat on bulb, so as to flash bulb
Forced heat radiation, increase the service life.Using high-frequency digital flash lamp, instant discharge power reaches multikilowatt, coordinates technical grade CCD
Area array cameras, can be in light filling under sunshine, and image caused by reducing tree shade is mottled unintelligible.
5) 4G module function of surfing the Net is utilized, Online Map is used in acquisition monitoring module, there is provided more accurate position
Navigation Service, it is easy to route collection scheduling.
6) trend term in acceleration information is removed using FIR high-pass filters, measures the vibration displacement of carrier loader platform, it is right
Laser ranging value compensates, so as to calculate surface evenness.This kind of flatness detection algorithm uses the sensor of lower accuracy,
The requirement of Country Road Maintenance technical standard can be met, reduce system cost.
It is 7) different from the traditional road detection car using the short distance laser measurement flatness being arranged on chassis crossbeam,
Road road conditions fast investigation device uses long range laser, and it is public to be suitable for the rural area that pot hole jolts, environment is complicated
Road.
Claims (9)
- A kind of 1. road road conditions fast investigation device, it is characterised in that：Including acquisition monitoring computer, network memory, Photoelectric encoder, satellite positioning device, flash lamp module and battery component, in addition to for gathering pavement image information, road Land-scape picture information and the flatness information on road surface, and by collection information conveyance to acquisition monitoring cyber-net memory Data acquisition center, the data acquisition center are the integral structure that more devices integrate；Acquisition monitoring computer, network memory and the data acquisition are connected with each other centrally through interchanger, and the photoelectricity is compiled Code device, satellite positioning device, flash lamp module and battery component are connected with data acquisition center.
- 2. road road conditions fast investigation device according to claim 1, it is characterised in that：The data acquisition center It is integrated with laser range sensor, acceleration transducer, Synchronization Control plate, A/D module, black and white area array cameras, colour plane battle array phase Machine, embedded computer, power supply and control module, the embedding assembly respectively with interchanger, black and white area array cameras, colour plane Array camera, A/D module, satellite positioning device connect with Synchronization Control plate；The Synchronization Control plate and satellite positioning device, laser Distance measuring sensor, accelerometer, photoelectric encoder, black and white area array cameras, colored area array cameras, power supply and control module connect； The flash lamp module is connected with power supply with control module.
- 3. road road conditions fast investigation device according to claim 2, it is characterised in that：The interchanger, black and white Area array cameras and colored area array cameras are connected by kilomega network with embedded computer respectively；The acquisition monitoring computer also leads to Kilomega network is crossed to be connected with interchanger.
- 4. road road conditions fast investigation device according to claim 3, it is characterised in that：The photoelectric encoder, Satellite positioning device, flash lamp module and battery component are connected by coaxial cable with data acquisition center.
- 5. road road conditions fast investigation device according to claim 4, it is characterised in that：The flash lamp module by Power supply glistens in turn with control module control.
- 6. road road conditions fast investigation device according to claim 5, it is characterised in that：The flash lamp module bag Multiple high frequency flashing light lamps are included, the flash lamp afterbody is equipped with high-power heat-dissipation fan.
- 7. road road conditions fast investigation device according to claim 6, it is characterised in that：Also include 4G modules, institute 4G modules are stated to be connected with acquisition monitoring computer by USB interface.
- 8. a kind of road road conditions fast investigation car, including carrier vehicle body, it is characterised in that：It is provided with the carrier vehicle body Road road conditions fast investigation device, the road road conditions fast investigation device have any one of claim 1~7 institute The feature stated.
- 9. road road conditions fast investigation car according to claim 8, it is characterised in that：The acquisition monitoring calculates Mechanical, electrical pond component, interchanger, network memory are arranged on carrier vehicle body interior, and the photoelectric encoder is arranged on carrier vehicle body In right side rear wheel, data acquisition center and the flash lamp group is arranged on carrier vehicle body upper frame.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621305895.0U CN207091888U (en) | 2016-12-01 | 2016-12-01 | Road road conditions fast investigation device and test car |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621305895.0U CN207091888U (en) | 2016-12-01 | 2016-12-01 | Road road conditions fast investigation device and test car |
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| CN207091888U true CN207091888U (en) | 2018-03-13 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109653071A (en) * | 2018-12-02 | 2019-04-19 | 北京博纳菲德科技有限公司 | A kind of Expressway Road problem detection vehicle |
| CN109827964A (en) * | 2019-03-08 | 2019-05-31 | 武汉夕睿光电技术有限公司 | Modular Intelligent road detection system and method |
| CN111275363A (en) * | 2020-03-27 | 2020-06-12 | 山东智路信息科技有限公司 | Road network flatness evaluation system and method based on vehicle vibration data |
| CN115012281A (en) * | 2022-05-30 | 2022-09-06 | 海南大学 | Road pavement quality detection method and device |
-
2016
- 2016-12-01 CN CN201621305895.0U patent/CN207091888U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109653071A (en) * | 2018-12-02 | 2019-04-19 | 北京博纳菲德科技有限公司 | A kind of Expressway Road problem detection vehicle |
| CN109653071B (en) * | 2018-12-02 | 2021-09-24 | 抚州振邦汽车服务有限公司 | Highway road problem detection vehicle |
| CN109827964A (en) * | 2019-03-08 | 2019-05-31 | 武汉夕睿光电技术有限公司 | Modular Intelligent road detection system and method |
| CN111275363A (en) * | 2020-03-27 | 2020-06-12 | 山东智路信息科技有限公司 | Road network flatness evaluation system and method based on vehicle vibration data |
| CN111275363B (en) * | 2020-03-27 | 2020-11-03 | 山东智路信息科技有限公司 | Road network flatness evaluation system and method based on vehicle vibration data |
| CN115012281A (en) * | 2022-05-30 | 2022-09-06 | 海南大学 | Road pavement quality detection method and device |
| CN115012281B (en) * | 2022-05-30 | 2023-09-05 | 海南大学 | Road surface quality detection method and device |
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Effective date of registration: 20180525 Address after: 430040 Room 501, A-3 3, four Garden Road, Wuhan University science and Technology Park, East Lake New Technology Development Zone, Wuhan, Hubei, China Patentee after: Wuhan Xi Rui Photoelectric Technology Co., Ltd. Address before: 430079 traffic center, Wuhan University, 129 Luo Yu Road, Wuhan, Hubei. Co-patentee before: Zou Qin Patentee before: Mao Qingzhou Co-patentee before: Yan Baofang Co-patentee before: Ye Hao |