CN105894820A - Interval speed measurement device - Google Patents
Interval speed measurement device Download PDFInfo
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- CN105894820A CN105894820A CN201610406623.8A CN201610406623A CN105894820A CN 105894820 A CN105894820 A CN 105894820A CN 201610406623 A CN201610406623 A CN 201610406623A CN 105894820 A CN105894820 A CN 105894820A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
- G08G1/054—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed photographing overspeeding vehicles
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention provides an interval speed measurement device. Multiple speed measurement terminals are arranged on a highway, and a vehicle terminal is mounted on each vehicle; Each vehicle terminal adopts a GPS speed measurement module to measure the speed, obtains current and history tracks and speeds when passing through a speed measurement terminal, and transmits the information to the speed measurement terminals; the information is further transmitted to a next speed measurement terminal, which the vehicle pass through; according to the current and history track and speed information obtained when the vehicle passes through the two speed measurement terminals, an interval speed is determined; therefore, a situation that a driver prolongs the staying time and changes lanes to prolong a driving distance in order to avoid overspeed punishment is avoided, and the influence on the accuracy of speed measurement results is avoided; each speed measurement terminal transmits the information via a wireless receiving and transmitting module, and has a self-networking function, so that no matter the driver changes the driving direction through any one transportation hub, the vehicle at least passes through the two speed measurement terminals, the interval speed measurement can be achieved, and the accuracy of speed measurement is further increased.
Description
Technical field
The present invention relates to speed measuring device, particularly relate to interval speed measuring device.
Background technology
Along with the fast development of highway, the accident frequency on highway is also increasing, the most former
One of cause is for driving over the speed limit, and therefore, awaits proposing a kind of interval speed measuring device, on expressway
Vehicle travel process tests the speed, and is used as to punish the data basis of hypervelocity.
Testing the speed in interval is to arrange two fixing speed measuring points before and after road interval, zone distance and vehicle row
The ratio of the total time sailed obtains speed.Existing interval speed measuring device there is problems in that owing to interval is surveyed
What speed obtained is the average speed crossing interval, after some drivers hypervelocity, in order to evade punishment, and will
Car drives service area into increase running time, reduces the speed that interval speed measuring device is measured；Test the speed section
When zone distance is longer, over-speed vehicles the most frequently changes track, occurs that operating range is big
In the zone distance of the correspondence that tests the speed, reduce the speed that interval speed measuring device is measured；Highway is to close
Environment, but a lot of transport hub can be there is, and driver goes to destination to need in many places traffic
Change travel direction at hinge, travel interval and change, cause the traveling distance on different interval and
Travel speed cannot realize data docking.The problem that above-mentioned interval speed measuring device exists, causes interval survey
The speed variator result that tests the speed is inaccurate, it is impossible to effectively prevent the hypervelocity behavior on expressway, also cannot be for punishing
Place driver provides the data basis of effective speed.
Summary of the invention
The present invention provides a kind of interval speed measuring device, solves the knot that tests the speed that existing interval speed measuring device exists
The most inaccurate problem.
The present invention solves the problems referred to above by the following technical programs:
A kind of interval speed measuring device, by least one car-mounted terminal, at least two range-rate measuring terminal and
At least one bayonet socket terminal forms；Described car-mounted terminal is arranged on vehicle；Described range-rate measuring terminal is installed
Traveling in expressway is interval and at hinge；In each range-rate measuring terminal, including vehicle detection module,
Image acquisition and processing module, GPS receiver module, radio receiving transmitting module and controller module；Vehicle is examined
Survey module to be connected with controller module；Image acquisition and processing module is connected with controller module；GPS connects
Receive module to be connected with controller module；Radio receiving transmitting module is connected with controller module, wireless receiving and dispatching mould
Block is connected with each bayonet socket terminal wireless；By radio receiving transmitting module wireless connections between each range-rate measuring terminal；
Described bayonet socket terminal is installed at bayonet socket, wireless connections between each bayonet socket terminal, and each bayonet socket terminal is with outer
Portion's management terminal wireless connects.
Further, described car-mounted terminal car-mounted terminal is GPS speed measuring module；Described GPS tests the speed
Module includes that power supply submodule, DSP process submodule, FPGA processes submodule, digital-to-analogue conversion
Module, GPS receiver submodule and up-conversion submodule；Power supply submodule processes submodule with DSP
Block, FPGA process submodule, digital-to-analogue conversion submodule is connected with the power end of up-conversion submodule；
DSP processes submodule and FPGA processes submodule and is connected with each other, and DSP processes submodule and GPS
Reception submodule is connected with each other；FPGA processes the outfan of submodule and connects through digital-to-analogue conversion submodule
Up-converter module；It is connected on up-conversion submodule launch antenna or radio-frequency cable；Launch antenna or radio frequency
Cable is connected with the GPS receiver module of each range-rate measuring terminal.
Further, described vehicle detection module is video detector, video detector and controller mould
Block is connected.
Further, described image acquisition and processing module include at least one digital camera, at least one
Individual light compensating lamp and at least one optical sensor；The outfan of described each optical sensor and controller module
It is connected；Described light compensating lamp is arranged on each orientation, track, the control end of described light compensating lamp and controller mould
Block is connected；The control end of described digital camera is connected with controller module.
Further, described radio receiving transmitting module is ZigBee；Each radio receiving transmitting module wireless connections,
MANET, forms ZigBee-network.
Further, described range-rate measuring terminal further comprises display module；Described display module and control
Device module processed is connected, for showing the license plate number of driving vehicle, vehicle, car color, current driving speed
Degree and speed limit.
Further, described range-rate measuring terminal further comprises alarm module；Described alarm module and control
Device module processed is connected, for finding hypervelocity occur during driving vehicle is at current or history driving trace
Behavior carries out reporting to the police.
Compared with prior art, have a characteristic that
Expressway is provided with multiple range-rate measuring terminal, and car-mounted terminal is installed on each vehicle；Vehicle-mounted end
End use GPS speed measuring module test the speed, obtain through range-rate measuring terminal current and history track,
Speed, and above-mentioned information is transmitted to range-rate measuring terminal, this information also can be transmitted to this vehicle process
One range-rate measuring terminal, vehicle current and historical track, the velocity information obtained through two terminals,
Determine overall travel speed, it is to avoid occur driver be avoid hypervelocity punishment make extend one's stay, more
Change trains and extend the phenomenon of operating range, it is to avoid affect the result precision that tests the speed；Each range-rate measuring terminal is passed through
Radio receiving transmitting module transmission information, and possess the function of MANET, no matter being handed over by which of driver
Logical hinge changes travel direction, all at least through two range-rate measuring terminal, it is achieved test the speed in interval, further
Improve the accuracy tested the speed.
Accompanying drawing explanation
Fig. 1 is present configuration theory diagram.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described, but the invention is not limited in that these are real
Execute example.
A kind of interval speed measuring device, by least one car-mounted terminal, at least two range-rate measuring terminal and extremely
Few bayonet socket terminal composition；
Car-mounted terminal is arranged on vehicle.Car-mounted terminal is GPS speed measuring module, GPS speed measuring module
It is arranged on vehicle.GPS speed measuring module includes that power supply submodule, DSP process submodule, FPGA
Process submodule, digital-to-analogue conversion submodule, GPS receiver submodule and up-conversion submodule；Electricity
Source submodule and DSP process submodule, FPGA processes submodule, digital-to-analogue conversion submodule and on
The power end of frequency conversion submodule is connected, and powers for above-mentioned submodule；DSP processes submodule and FPGA
Process submodule is connected with each other, and DSP processes submodule and GPS receiver submodule is connected with each other；
FPGA processes the outfan of submodule and connects up-converter module through digital-to-analogue conversion submodule；Up-conversion
It is connected in module launch antenna or radio-frequency cable；Launch the GPS of antenna or radio-frequency cable and range-rate measuring terminal
Receiver module is connected.
GPS receiver submodule receives navigation message；DSP processes submodule and completes according to navigation message
Coding, it was predicted that visible gps satellite；FPGA processes submodule and is assigned to accordingly by visible satellite
Signal generates passage, ultimately generates corresponding carriers and pseudo-code signal, the carrier wave generated by each passage and puppet
Code is modulated on the navigation message of synchronization, generates GPS digital intermediate frequency signal；GPS digital-to-analogue conversion
GPS digital intermediate frequency signal is changed into GPS analog intermediate frequency signal by module；Up-conversion submodule should
GPS analog intermediate frequency signal is converted in the standard radio frequency frequency of GPS, and by launching antenna or penetrating
Frequently cable exports the GPS receiver module to range-rate measuring terminal.
Range-rate measuring terminal is arranged at traveling interval and the hinge of expressway.In each range-rate measuring terminal,
Including vehicle detection module, image acquisition and processing module, GPS receiver module, radio receiving transmitting module
And controller module；Vehicle detection module is connected with controller module；Image acquisition and processing module and control
Device module processed is connected；GPS receiver module is connected with controller module；Radio receiving transmitting module and control
Device module is connected, and radio receiving transmitting module is connected with each bayonet socket terminal wireless；Pass through between each range-rate measuring terminal
Radio receiving transmitting module wireless connections；Wireless connections between each bayonet socket terminal；Each bayonet socket terminal and exterior tube
Reason terminal wireless connects.
Vehicle detection module is video detector, when video detector has detected that vehicle, will through out-of-date
Signal sends to controller module, controller module control the startup of image acquisition and processing module, with
This simultaneously, controller module controls the startup of GPS receiver module, after band image acquisition and processing terminates
Close image acquisition and processing module, treat that GPS receiver module receives the letter that car-mounted terminal transmission comes
GPS receiver module is closed after breath.Vehicle detection module uses the advantage of video detector to be to install
Easy, removable, detection range is big, obtain and contain much information, between video detector pollution-free, each
Noiseless.
Image acquisition and processing module gathers, the quality of process performance, directly influences controller module solution
The accuracy of the information such as the analysis license plate number of driving vehicle, vehicle, color.The image that the present invention provides is adopted
Collection processing module, including at least one digital camera, for shooting the photo of each angle of vehicle；Also
Including at least one light compensating lamp, for when light intensity is inadequate, auxiliary digital camera absorbs information of vehicles；
Also include at least one optical sensor, be arranged on each orientation in track, in picked-up digital picture
Time detection light intensity, by controller module according to the difference of light intensity, adjust the shooting angle of video camera,
And the direction of illumination of adjustment light compensating lamp, to obtain top quality digital picture.Each digital camera
The control end controlling end and each light compensating lamp is connected with controller module；The outfan of each optical sensor with
Controller module is connected.
GPS receiver module and the GPS speed measuring module wireless connections of each car-mounted terminal, be used for receiving respectively
GPS speed measuring module sends the radiofrequency signal of coming, and parses current and history the traveling rail of vehicle
Mark, velocity information, send to controller module, test the speed for interval and provide data basis.
Radio receiving transmitting module for the MANET realizing between each range-rate measuring terminal, and with each bayonet socket terminal
Between wireless communication transmissions, form telecommunication network based on Internet of Things, range-rate measuring terminal quantity occur
Remain to networking again when quantity changes, and carry out the wireless receiving and dispatching of information, decrease environment to external world
Dependence.Each range-rate measuring terminal and bayonet socket terminal form ZigBee-network, each range-rate measuring terminal and bayonet socket
Terminal is each ZigBee node of this ZigBee-network, and each ZigBee node can be in communication with each other,
There is feature simple, easy to use, that reliable operation, price are low.Each ZigBee node all can enter
Row information of vehicles identification and testing the speed, and transmit number to other ZigBee node in network transmission scope
According to；The ZigBee node data that the transmission of other ZigBee node of transfer comes also automatically；Each ZigBee
Node is in signal cover, and multiple isolated node not undertaking information transfer task also can be wireless
Connect.Radio receiving transmitting module uses the wireless transmission method of ZigBee, when artificial or outside cause are led
When causing the generation increase and decrease of ZigBee node quantity, ZigBee-network remains to MANET again, it is achieved data
Transmission, no matter how driving vehicle changes travel direction or changes track, and at least two are tested the speed end
End can carry out interval to it and test the speed.Using the wireless transmission method of ZigBee, it is low in energy consumption, slow to have
Prolong the features such as little, high reliability, low complex degree, low cost, low data rate, self-organizing network.
When vehicle detection module has detected that vehicle, through out-of-date, starts image acquisition and processing module and GPS
Receiver module, image acquisition and processing module acquisition process information of vehicles, and transmit to controller module,
Being resolved license plate number, vehicle and color by controller module, GPS receiver module receives vehicle-mounted
The radiofrequency signal that terminal transmission goes out, parses the current of vehicle and history driving trace and speed, and
Sending the information parsed to controller module, controller module controls radio receiving transmitting module by above-mentioned
Information sends to each ZigBee node of surrounding, and no matter how vehicle changes travel direction or track,
Always at least through one of them ZigBee node, this ZigBee node resolve this information of vehicles and
Current, the driving path of history and velocity information, the information knot obtained with a upper ZigBee node
Close, carry out comparing and computing, calculate the overall travel speed of vehicle, thus realize interval and test the speed,
Interval is surveyed velocity information transmit to bayonet socket terminal.
Image acquisition and processing module, when carrying out Car license recognition, carries out gaps and omissions and incomplete judgement respectively,
Gaps and omissions character is exported its quantity and position, incomplete character is given possible character, and according to possible
Property size arranges, and vehicle cab recognition submodule and car colour recognition submodule, by controller module
Start according to above-mentioned information, from external data base, extract the license plate number letter mated the most with above-mentioned information
Breath, the most each possible license plate number.
Range-rate measuring terminal further comprises display module, and display module is connected with controller module, is used for
The display license plate number of driving vehicle, vehicle, car color, current driving speed and speed limit.Image is adopted
Collection processing module is by under information of vehicles and above-mentioned display content imaging, as the evidence driven over the speed limit.
Above-mentioned evidence finally transmits to one of them bayonet socket terminal, examines whether vehicle exists illegal at bayonet socket
Behavior.
Range-rate measuring terminal further comprises alarm module, and alarm module is connected with controller module, is used for
Judging, during vehicle is at current or history driving trace, hypervelocity behavior occurs, reporting to the police immediately,
On the one hand remind driver that hypervelocity behavior does not occurs in follow-up driving process again, on the other hand will report
Alarming information transmits to bayonet socket terminal through wireless sending module.
Bayonet socket terminal is installed at bayonet socket.In each bayonet socket terminal, can wireless receiving to travel
Vehicle overall travel speed information on fastlink and hypervelocity information, bayonet socket terminal also can be by the car that exceeds the speed limit
Information of vehicles and hypervelocity information be wirelessly transmitted to external management terminal, by staff at bayonet socket
Over-speed vehicles is punished by terminal, or is obtained hypervelocity letter by management personnel in external management terminal
Breath, is punished over-speed vehicles by management personnel.
The work process of the present invention is: vehicle travels on expressway, the vehicle-mounted end being installed on vehicle
Hold driving trace and the speed of real-time measuring car, and carry out record；When vehicle is through range-rate measuring terminal,
Vehicle detection module sends signal to controller module, controller module start image acquisition and processing mould
Block gathers, processes information of vehicles, starts GPS receiver module and receives the current of vehicle and the row of history
Sail track, speed information, and by above-mentioned transmission to controller module；Controller module is adopted according to image
The information analysis that collection processing module is extracted goes out the license plate number of vehicle, vehicle and color, working as together with vehicle
Front and the driving trace of history, velocity information send to other range-rate measuring terminal neighbouring, under vehicle passes through
During one range-rate measuring terminal, this range-rate measuring terminal receives a upper range-rate measuring terminal and sends the information of coming, and continues to resolve
Information of vehicles and vehicle current driving track now, speed, send in conjunction with a upper range-rate measuring terminal
Information, calculate the overall travel speed of this vehicle, once judge that hypervelocity phenomenon occurs in vehicle in this interval,
Then start alarm module to report to the police, and information of vehicles, hypervelocity information are shown in display module, shooting
Get off, by hypervelocity information and shooting image transmitting to each bayonet socket terminal, bayonet socket terminal is by over-speed vehicles
Information of vehicles and hypervelocity information be wirelessly transmitted to external management terminal.
Claims (7)
1. an interval speed measuring device, it is characterised in that:
By at least one car-mounted terminal, at least two range-rate measuring terminal and at least one bayonet socket set of terminal
Become；
Described car-mounted terminal is arranged on vehicle；
Described range-rate measuring terminal is arranged at traveling interval and the hinge of expressway；In each range-rate measuring terminal
In, including vehicle detection module, image acquisition and processing module, GPS receiver module, wireless receiving and dispatching
Module and controller module；Vehicle detection module is connected with controller module；Image acquisition and processing module
It is connected with controller module；GPS receiver module is connected with controller module；Radio receiving transmitting module with
Controller module is connected, and radio receiving transmitting module is connected with each bayonet socket terminal wireless；Between each range-rate measuring terminal
By radio receiving transmitting module wireless connections；
Described bayonet socket terminal is installed at bayonet socket, wireless connections between each bayonet socket terminal, each bayonet socket terminal
It is connected with external management terminal wireless.
A kind of interval speed measuring device the most according to claim 1, it is characterised in that:
Described car-mounted terminal car-mounted terminal is GPS speed measuring module；
Described GPS speed measuring module includes that power supply submodule, DSP process submodule, FPGA process
Submodule, digital-to-analogue conversion submodule, GPS receiver submodule and up-conversion submodule；Power supply
Module and DSP process submodule, FPGA processes submodule, digital-to-analogue conversion submodule and up-conversion
The power end of submodule is connected；DSP processes submodule and FPGA processes submodule and is connected with each other,
DSP processes submodule and GPS receiver submodule is connected with each other；FPGA processes the output of submodule
Hold and connect up-converter module through digital-to-analogue conversion submodule；It is connected on up-conversion submodule launch antenna or penetrate
Frequently cable；Launch antenna or radio-frequency cable is connected with the GPS receiver module of each range-rate measuring terminal.
A kind of interval speed measuring device the most according to claim 1, it is characterised in that:
Described vehicle detection module is video detector, and video detector is connected with controller module.
A kind of interval speed measuring device the most according to claim 1, it is characterised in that:
Described image acquisition and processing module include at least one digital camera, at least one light compensating lamp with
And at least one optical sensor；
The outfan of described each optical sensor is connected with controller module；Described light compensating lamp is arranged on track
Each orientation, the control end of described light compensating lamp is connected with controller module；The control of described digital camera
End processed is connected with controller module.
A kind of interval speed measuring device the most according to claim 1, it is characterised in that:
Described radio receiving transmitting module is ZigBee；Each radio receiving transmitting module wireless connections, MANET,
Form ZigBee-network.
6. according to a kind of interval speed measuring device described in any one in claim 1-5, its feature
It is:
Described range-rate measuring terminal further comprises display module；Described display module and controller module phase
Even, for showing the license plate number of driving vehicle, vehicle, car color, current driving speed and speed limit.
A kind of interval speed measuring device the most according to claim 6, it is characterised in that:
Described range-rate measuring terminal further comprises alarm module；Described alarm module and controller module phase
Even, for finding occur that hypervelocity behavior is entered during driving vehicle is at current or history driving trace
Row is reported to the police.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406623.8A CN105894820A (en) | 2016-06-12 | 2016-06-12 | Interval speed measurement device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406623.8A CN105894820A (en) | 2016-06-12 | 2016-06-12 | Interval speed measurement device |
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| CN105894820A true CN105894820A (en) | 2016-08-24 |
Family
ID=56730211
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| CN201610406623.8A Pending CN105894820A (en) | 2016-06-12 | 2016-06-12 | Interval speed measurement device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107240266A (en) * | 2017-06-28 | 2017-10-10 | 北京易华录信息技术股份有限公司 | It is a kind of to intercept the method and system for forging vehicle electron identifying vehicle |
| CN107705582A (en) * | 2017-10-12 | 2018-02-16 | 浙江大华技术股份有限公司 | A kind of rule-breaking vehicle detection method and system |
| CN109686096A (en) * | 2019-03-07 | 2019-04-26 | 王伟名 | A kind of express highway all-way section speed-measuring method |
| CN110006443A (en) * | 2018-01-04 | 2019-07-12 | 佳明瑞士有限责任公司 | Reminding method, mobile terminal and the storage medium that section is tested the speed |
| CN112907940A (en) * | 2019-12-04 | 2021-06-04 | 浙江宇视科技有限公司 | Method, device and equipment for detecting vehicle behavior and storage medium |
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| CN112907940B (en) * | 2019-12-04 | 2022-05-13 | 浙江宇视科技有限公司 | Method, device and equipment for detecting vehicle behavior and storage medium |
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