CN206331586U - The device of the magnitude of traffic flow and speed data collection based on infrared matrix - Google Patents
The device of the magnitude of traffic flow and speed data collection based on infrared matrix Download PDFInfo
- Publication number
- CN206331586U CN206331586U CN201621262588.9U CN201621262588U CN206331586U CN 206331586 U CN206331586 U CN 206331586U CN 201621262588 U CN201621262588 U CN 201621262588U CN 206331586 U CN206331586 U CN 206331586U
- Authority
- CN
- China
- Prior art keywords
- infrared
- microcomputer
- magnitude
- reflection
- traffic flow
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses the magnitude of traffic flow based on infrared matrix and the device of speed data collection, including telescoping shoring column, infrared collection device, infrared reflection device, live microcomputer, control centre；Infrared collection device is arranged on telescoping shoring column and above track to be measured, and infrared reflection device is set on track, and infrared collection device and infrared reflection device are arranged using 3 × n matrix form, and n is number of track-lines；The live microcomputer of infrared collection device connection, live microcomputer connects control centre.The utility model uses 3 × n ranks matrix arrangements infrared collection device and infrared reflection device, realizes to traffic total flow, divided lane flow, all types of vehicle fleet sizes, vehicle traveling side, speed, the information such as vehicle retaining state carry out comprehensive statistics, and comprehensively, accuracy is high for gathered data.
Description
Technical field
The utility model is related to the device of a kind of magnitude of traffic flow based on infrared matrix and speed data collection.
Background technology
There is the method that a variety of methods detect vehicle flowrate at present, for example：Electromagnetic induction device method, acoustic testing system method, swash
Optical radar reaches ultrasonic Detection Method of detection method and car flow information etc..Because advancing car speed, species be all the time on road
Change, it is unstable to there is reflected signal in traditional flow statistical method, and measurement error is big, also or function is more but involve great expense, instrument
The characteristics of device autgmentability and not high versatility.Prior art major defect is that cost performance is not high, in order to obtain more rich vehicle
Survey data is often using larger cost as cost, and structure and principle are all very complicated.And powerful flow motor
Investigating system such as uses the investigating system of magnetic induction technology, because its main investigation end is all embedded in underground, therefore the instrument
Reusing it is poor, autgmentability is also poor, and construction and excavation area is big, influences the cycle long road traffic, maintenanceability bottom.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art to use relatively low cost there is provided a kind of, obtains accurate
True flow motor data and the abundant investigation function of realization, the recyclable use performance of raising equipment and the autgmentability of equipment are simultaneously
Improve the magnitude of traffic flow based on infrared matrix of the security and reliability of data transfer and the device of speed data collection.
The purpose of this utility model is achieved through the following technical solutions：The magnitude of traffic flow and car based on infrared matrix
The device of speed collection, it includes telescoping shoring column, infrared collection device, infrared reflection device, live microcomputer, control
Center processed；The infrared collection device is arranged on telescoping shoring column and above track to be measured, is provided with track
The infrared reflection device used cooperatively with infrared collection device, infrared collection device and infrared reflection device use 3
× n matrix form is arranged, and n is number of track-lines；Infrared collection device passes through connection scene microcomputer built in support
Calculation machine, live microcomputer connects control centre by wired or wireless network；
The functional module of described live microcomputer mainly includes flow motor and speed computing module, signal time-histories
Logging modle and database module, microcomputer is by built-in communication part using wired or wireless network as transmission medium
Communicated with control centre；
Described control centre includes calculating processing server, display screen, data storage server and PC terminals, calculates
Processing server connects display screen, data storage server and PC terminals respectively, and PC terminals are connected with display, calculates processing clothes
Business device is communicated by communication part by transmission medium of wired or wireless network with live microcomputer.
It is preferred that, described telescoping shoring column is alloy steelframe, and telescoping shoring column includes left socle and right support,
Left socle includes connecting inside orthogonal first vertical duct and the first transverse pipe, the first vertical duct and the first transverse pipe, right
Support includes connecting inside orthogonal second vertical duct and the second transverse pipe, the second vertical duct and the second transverse pipe, and first
Transverse pipe can be provided with screwed hole on the second transverse pipe internal slide, the second transverse pipe, and one end of the first transverse pipe passes through
It is bolted to what screwed hole coordinated in the second transverse pipe；First vertical duct and/or the second vertical duct include at least two section sets
It is bolted between pipe, sleeve pipe with the sized function of reaching altitude conversion.
It is preferred that, between the infrared collection device arranged on described each track or infrared reflection dress
It is any number between 0.3m to 1.2m the distance between to put, and can take end points 0.3m or 1.2m.
It is preferred that, between the infrared collection device arranged on described each track or infrared reflection dress
It is 0.5m the distance between to put.
It is preferred that, described infrared reflection device includes reflector plate and reflection containers, and reflector plate is arranged on instead
Penetrate in container, the top of reflection containers sets high-strength transparent material cover plate；Reflection containers be placed in road pavement layer it is reserved or
In the small-sized duct set also or in construction road pave-load layer interim location and installation.
It is preferred that, the infrared reflection device be liquid gravity formula from horizontal device, liquid gravity formula is from water
Leveling device includes installing transparent on light transmissive material cover plate, base and the transparent ball for being internally provided with reflector plate and liquid, base
Spheroid；Described light transmissive material cover plate constitutes 5cm × 5cm × 5cm cuboid box, the base and is internally provided with
The transparent ball of reflector plate and liquid is encapsulated in the cuboid box, by the liquid in transparent ball realize reflector plate when
Quarter level.
It is preferred that, the reflector plate is plating silver strip or gold foil.
It is preferred that, described infrared collection device is integrated with reflecting interrupter, filtration module and
Signal amplification module, filtration module filters out abnormal signal, and amplification module may amplify the signal to microcomputer processor can
The scope of identification.
The beneficial effects of the utility model are：The utility model utilizes infrared emitting and the stronger spy of receiving directivity
Point, the infrared signal changed according to reflected intensity generates system of the electric signal realization to information such as vehicle flow and speed of alternation
Meter.Reflective infrared signal sensor is placed in above road by the utility model, it is to avoid be arranged in main collecting device
Underground, and be simply placed in the infrared reflection piece of compact when road deck is constructed or during road occupation
In the small-sized pit that road pavement layer is dug, construction is fast, reduces institute because of road large-area construction to the shadow produced by traffic
Ring.In addition it can be realized with the carry framework freely assembled using the gate-type alloy steelframe of adjustable dimension and different tracks are measured
When device scaling problem, convenient disassembly, it is possible to achieve the quick recycling to infrared collection system.The utility model is created
3 × n rank matrix arrangements RF transmitters and receiver newly are used, is realized using less infrared facility total to traffic
Flow, divided lane flow, the flow of various, vehicle retaining state, automobile speed, the information such as vehicle heading carries out comprehensive
Statistics is closed, comprehensively, accuracy is high for gathered data.
Brief description of the drawings
Fig. 1 is the field erected main structure diagram of the utility model；
Fig. 2 is that the utility model is field erected attached regarding structural representation；
Fig. 3 is the field erected side structure schematic view of the utility model；
Fig. 4 is one of reflection unit structural representation of the present utility model；
Fig. 5 is the two of reflection unit structural representation of the present utility model；
Fig. 6 is hardware system structure schematic diagram of the present utility model；
Fig. 7 is collection analysis schematic flow sheet of the present utility model；
Fig. 8 is signal time-history curves schematic diagram of the present utility model.
Embodiment
The technical solution of the utility model, but protection domain of the present utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
As shown in Fig. 1~Fig. 8, the device of the magnitude of traffic flow and speed data collection based on infrared matrix, it includes scalable branch
Frame, infrared collection device, infrared reflection device, live microcomputer, control centre；The infrared collection device is set
Put on telescoping shoring column and above track to be measured, be provided with track with infrared collection device use cooperatively it is red
Outside line reflection unit, infrared collection device and infrared reflection device are arranged using 3 × n matrix form, and n is track
Number；Infrared collection device by connection scene microcomputer built in support, live microcomputer by wired or
Person's wireless network connects control centre；
The functional module of described live microcomputer mainly includes flow motor and speed computing module, signal time-histories
Logging modle and database module, microcomputer is by built-in communication part using wired or wireless network as transmission medium
Communicated with control centre；
Described control centre includes calculating processing server, display screen, data storage server and PC terminals, calculates
Processing server connects display screen, data storage server and PC terminals respectively, and PC terminals are connected with display, calculates processing clothes
Business device is communicated by communication part by transmission medium of wired or wireless network with live microcomputer；
Reflection-type infrared ray sensor emitting portion will launch infrared ray, then by the reflection unit on road
Received again by sensor light-sensitive element after reflection.If no vehicle passes through, then sensor light-sensitive element will be received by anti-
The stronger infrared reflectance signal of signal that injection device is sent back；But when have vehicle by when, reflection-type infrared sensor transmitting
The infrared ray of part transmitting is reflected by vehicle roof, then reflection-type infrared ray sensor light-sensitive element is by the infrared letter received
It is number relatively weak.Therefore the utility model can use relatively low cost, obtain accurate flow motor data and realize what is enriched
Investigate function；Improve the recyclable use performance of equipment and the autgmentability of equipment；Improve the security and reliability of data transfer.
Preferably, described telescoping shoring column is alloy steelframe, and telescoping shoring column includes left socle and right support, left socle
Including orthogonal first vertical duct and the first transverse pipe, connected inside the first vertical duct and the first transverse pipe, right support bag
Include and connected inside orthogonal second vertical duct and the second transverse pipe, the second vertical duct and the second transverse pipe, the first transverse pipe
Can be provided with screwed hole on the second transverse pipe internal slide, the second transverse pipe, one end of the first transverse pipe by with screw thread
What hole coordinated is bolted in the second transverse pipe；First vertical duct and/or the second vertical duct include at least two section sleeve pipes, sleeve pipe
Between be bolted with the sized function of reaching altitude conversion.
Preferably, between the infrared collection device arranged on described each track or between infrared reflection device
Distance be 0.3m to 1.2m between any number, end points 0.3m or 1.2m can be taken.
Preferably, between the infrared collection device arranged on described each track or between infrared reflection device
Distance be 0.5m.
Preferably, described infrared reflection device includes reflector plate and reflection containers, and reflector plate is arranged on reflection containers
Interior, the top of reflection containers sets high-strength transparent material cover plate；It is reserved or setting that reflection containers are placed in road pavement layer
In small-sized duct also or in construction road pave-load layer interim location and installation.
Preferably, the infrared reflection device be liquid gravity formula from horizontal device, liquid gravity formula is from horizontal device
Including light transmissive material cover plate, base and the transparent ball for being internally provided with reflector plate and liquid, transparent ball is installed on base；Institute
The light transmissive material cover plate stated constitutes 5cm × 5cm × 5cm cuboid box, the base and is internally provided with reflector plate
It is encapsulated in the transparent ball of liquid in the cuboid box, water at the time of realizing reflector plate by the liquid in transparent ball
It is flat.
Preferably, the reflector plate is plating silver strip or gold foil.
Preferably, described infrared collection device is integrated with reflecting interrupter, and filtration module and signal are put
Big module, filtration module filters out abnormal signal, and amplification module may amplify the signal to what microcomputer processor can be recognized
Scope, then by signal transmission line (being placed in inside alloy steelframe) by the microcomputer beside electric signal transmission to alloy steelframe
In calculation machine (being encapsulated in on-the-spot distribution box).
The method of the magnitude of traffic flow and speed data collection based on infrared matrix, it comprises the following steps：
S1：The infrared sensitive element that infrared collection device is gathered in reflected signal, device in real time changes according to power
Infrared signal produce alternation voltage signal；
S2：The voltage signal of alternation is after filtering after module filtered processing, then be amplified and be finally reached by amplification module
In the voltage range that microcomputer processor can be recognized；
S3：The processor of live microcomputer according to infrared collection device be transmitted back to come signal judge reflected signal
It is the signal of reflector plate reflection or the signal of vehicle reflection, such as when signal is less than defined threshold value, is defined as vehicle reflection
Signal, is exported " 1 "；When signal is more than defined threshold, it is defined as reflector plate reflected signal, exports " 0 "；
S4：The generation value if the processor value that signal time-histories logging modle receives microcomputer is the instruction of " 1 "
For the signal curve of " non-zero ", otherwise generation value is the signal curve of " 0 "；
S5：Signal time-histories logging modle can calibrate and recognize the characteristic time t1 to t6 of each " non-zero " value signal and pass through
Database module carries out storage management, and characteristic time t1, t2, t3 corresponds to opening for 1,2, No. 3 sensor " non-zero " value signals respectively
Time beginning；T4, t5, t6 correspond to the end time of 1,2, No. 3 sensor " non-zero " value signals；
S6：The processor of live microcomputer is inferred to corresponding analysis result according to following several characteristic parameters：
(1)t1<t2<T3, represent vehicle be from No. 1 Acquisition Instrument to No. 3 Acquisition Instrument direction runnings, it is otherwise in the opposite direction, red
Outside line harvester has detected vehicle and vehicle flowrate has been counted once after；
(2) when vehicle is more than 20s by the time in infrared signal region, judge the vehicle to be detained vehicle, work as t6-t1
<During 20s, vehicle traveling is into infra-red detection zone velocityLeave red
The speed of outside line search coverage isSo the speed of vehicle can be using average
SpeedNow Vehicle length L=[v × (t6-t1) -1]；
Vehicle according to the length of car can be roughly divided into by full-sized car according to investigation in advance, compact car, kart,
The length data of record, can thus be identified as the vehicle of corresponding types and to the type vehicle by the class of minicar etc. 4
Quantity is counted and stored.
(3) t6-t1 is worked as>20s, then judge that the car vehicle is detained, it can be determined that go out the section track and block up, work as car
Can not be using the Vehicle length of calculating as the actual length of vehicle when being identified as being detained vehicle, now Vehicle length is invalid,
Traffic total flow, divided lane flow, all types of vehicle fleet sizes, vehicle row can be separated out with statistical by above parameter
Sail direction, speed, vehicle retaining state and congestion in road situation.
Preferably, after the signal that collection site microcomputer in real time collects infrared collection device is handled
Send calculating processing server to, the gathered data that calculating processing server is sent back to each section is processed further, carried out
Big data analysis collects, by obtained analysis result such as flow motor distribution map, flow motor time-history curves, urban congestion feelings
Condition etc. is shown on a display screen, and is stored in data storage server.
Live microcomputer and distribution system are encapsulated in the distribution box beside alloy steelframe, as shown in Figure 3.Processing
The data that processing is obtained are connected by device by wirelessly or non-wirelessly communication modes with control centre.Live microcomputer and control
Central information transmission uses Handshake Protocol, it is ensured that information transmission security is reliable.Its principle is as follows：In ICP/IP protocol, TCP associations
View provides reliable Connection Service, and a connection is set up using three-way handshake.A first sends out SYN (synchronization request) to B, and then B is returned
Multiple SYN+ACK (synchronization request response), last A reply ACK and confirm that the process of such TCP once connection (three-way handshake) is just
Establish, complete three-way handshake, live microcomputer starts to transmit data with control centre's calculation server.
Operation principle of the present utility model is：The utility model scene microcomputer in time by with control centre
Time keeps synchronous calibration, and using reflecting interrupter, sensor internal has RF transmitter and infrared sensitive
Element, is each responsible for ultrared transmitting with receiving.Vehicle by when can block that high IR line reflection piece reflects it is infrared
Signal, infrared photo-sensitive cell will produce the voltage signal of alternation according to the infrared signal of power change, be filled by infrared collection
After the filtration module filtering process put, then it is amplified by signal amplification module, is finally reached microcomputer processor energy
The voltage range enough recognized.The signal that microcomputer processor is sent back to harvester carries out judgement processing, such as works as data
During less than defined threshold value, it is defined as having vehicle, exports " 1 "；When data are more than defined threshold, without car, export " 0 ".So
Preprocessor can generate letter by related algorithm and the related function module for being preprogramed realization to signal progress time-history analysis
Number time-history curves, and carry out computing and statistics to vehicle flow and velocity information, will handle obtained data and are entered by database
Row storage management.Last scene microcomputer is by communication part in a wired or wireless manner by data summarization into control
The heart (information transfer employs Handshake Protocol, improves the reliability of information transfer).
The characteristics of the utility model utilizes infrared emitting and stronger receiving directivity, it is infrared in the case where not blocking
Line harvester produces low voltage signal, otherwise produces high voltage signal.Vehicle is determined whether according to the voltage signal of alternation
Pass through, then counted.The electric signal that the utility model generates height change according to continuous infrared signal is realized to vehicle
The statistics of the information such as flow and speed.Reflective infrared signal sensor is placed in above road by the utility model, it is to avoid
Main collecting device is arranged in underground, and simply by the infrared reflection piece of compact when road deck is constructed or
It is placed in during road occupation in the small-sized pit that road pavement layer is dug, size is about 5cm × 5cm × 5cm short time limits,
Construction is fast, reduces because road large-area construction is to the influence produced by traffic.In addition closed using the gate-type of adjustable dimension
Golden steelframe and the carry framework freely assembled can realize device scaling problem when measuring different tracks, and convenient disassembly can
To realize the quick recycling to infrared collection system.The utility model innovatively uses 3 × n rank matrix arrangements infrared rays
Transmitter and receiver, are realized to traffic total flow, divided lane flow, the stream of various using less infrared facility
Measure, vehicle retaining state, automobile speed, the information such as vehicle heading carries out comprehensive statistics, gathered data is comprehensive, accuracy
It is high.
In summary, the utility model has advantages below：
1. the utility model is using freely adjustable alloy portal frame, the fixed suspension reflection-type at the top of track is infrared
Line sensor, data acquisition is realized using infrared reflection principle, it is not necessary to is buried placement massive signal collection in road again and is set
Standby and related transmission line, reduces the influence to road traffic；Is realized each track is carried out respectively traffic statistics and
Speed data collection, accuracy is high；The system that gate-type alloy framework and corresponding sensor are constituted is easy to extend and dismantled, and repeats profit
High with property, installation effectiveness is high.
2. RF transmitter and receiver are arranged using 3 × n matrix form, such as total flow is realized, point
Track flow, different type vehicle flow, speed, vehicle heading, the collection of the information such as vehicle Retention and statistics.
3. road reflection lens packages are good, employ from art technique, encapsulation is realized speculum good protection
Effect, waterproof is tamper-proof.The caused speculum deflection of pave-load layer deformation under Vehicle Load is avoided from art technique,
It ensure that the good reflecting effect of infrared ray.
Compared with existing infrared ray flow motor acquisition technique, the utility model need not lay complexity in the road
Transmission line and acquisition instrument, influence smaller, cost is lower during installation on road traffic.Infrared sensor is integrated and modularization
Higher more clearly structure is more systemic, and instrument installation and removal are convenient, and alloy steelframe has sized function, is easy to
Different number of track-lines are tackled to be extended.The utility model realizes the collection respectively to divided lane vehicle flowrate, and gathered data is more
Accurately, the data acquisition content of realization is more enriched.The data communication of collection terminal and host computer is more safe and reliable, it is ensured that data
Do not lose.
Preferred embodiment of the present utility model is the foregoing is only, not to limit the utility model, should be referred to
Go out, all any modification, equivalent and improvement made within spirit of the present utility model and principle etc. all should be included
Within protection domain of the present utility model.
Claims (8)
1. the device of the magnitude of traffic flow and speed data collection based on infrared matrix, it is characterised in that：It includes telescoping shoring column, infrared
Line harvester, infrared reflection device, live microcomputer, control centre；The infrared collection device is arranged on can
It is anti-that the infrared ray used cooperatively with infrared collection device is provided with telescope support and above track to be measured, on track
Injection device, infrared collection device and infrared reflection device are arranged using 3 × n matrix form, and n is number of track-lines；It is red
Outside line harvester is by connection scene microcomputer built in support, and live microcomputer passes through wired or wireless
Network connection control centre；
The functional module of described live microcomputer mainly includes flow motor and speed computing module, signal time-histories record
Module and database module, microcomputer is by built-in communication part by transmission medium of wired or wireless network with controlling
Center processed is communicated；
Described control centre includes calculating processing server, display screen, data storage server and PC terminals, calculating processing
Server connects display screen, data storage server and PC terminals respectively, and PC terminals are connected with display, calculates processing server
Communicated by communication part by transmission medium of wired or wireless network with live microcomputer.
2. the device of the magnitude of traffic flow and speed data collection according to claim 1 based on infrared matrix, it is characterised in that：Institute
The telescoping shoring column stated is alloy steelframe, and telescoping shoring column includes left socle and right support, and left socle includes orthogonal the
Connected inside one vertical duct and the first transverse pipe, the first vertical duct and the first transverse pipe, right support includes orthogonal second
Connected inside vertical duct and the second transverse pipe, the second vertical duct and the second transverse pipe, the first transverse pipe can be in the second transverse pipe
Screwed hole is provided with internal slide, the second transverse pipe, one end of the first transverse pipe with the bolt that screwed hole coordinates by fixing
In the second transverse pipe；First vertical duct and/or the second vertical duct include being bolted between at least two section sleeve pipes, sleeve pipe
With the sized function of reaching altitude conversion.
3. the device of the magnitude of traffic flow and speed data collection according to claim 1 based on infrared matrix, it is characterised in that：Institute
Between the infrared collection device arranged on each track stated or the distance between infrared reflection device arrives for 0.3m
Any number between 1.2m, can take end points 0.3m or 1.2m.
4. the device of the magnitude of traffic flow based on infrared matrix and speed data collection according to claim 1 or 3, its feature exists
In：Between the infrared collection device arranged on described each track or the distance between infrared reflection device is
0.5m。
5. the device of the magnitude of traffic flow and speed data collection according to claim 1 based on infrared matrix, it is characterised in that：Institute
The infrared reflection device stated includes reflector plate and reflection containers, and reflector plate is arranged in reflection containers, the top of reflection containers
High-strength transparent material cover plate is set；Reflection containers be placed in that road pavement layer is reserved or the small-sized duct that sets in also or
Interim location and installation during construction road pave-load layer.
6. the device of the magnitude of traffic flow and speed data collection according to claim 1 based on infrared matrix, it is characterised in that：Institute
It is liquid gravity formula from horizontal device to state infrared reflection device, liquid gravity formula from horizontal device include light transmissive material cover plate,
Transparent ball is installed on base and the transparent ball for being internally provided with reflector plate and liquid, base；Described light transmissive material cover plate
Constitute 5cm × 5cm × 5cm cuboid box, the base and the transparent ball for being internally provided with reflector plate and liquid
It is encapsulated in the cuboid box, level at the time of realizing reflector plate by the liquid in transparent ball.
7. the device of the magnitude of traffic flow based on infrared matrix and speed data collection according to claim 5 or 6, its feature exists
In：The reflector plate is plating silver strip or gold foil.
8. the device of the magnitude of traffic flow and speed data collection according to claim 1 based on infrared matrix, it is characterised in that：Institute
The infrared collection device stated is integrated with reflecting interrupter, filtration module and signal amplification module, filtration module mistake
Abnormal signal is filtered, amplification module may amplify the signal to the scope that microcomputer processor can be recognized.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262588.9U CN206331586U (en) | 2016-11-22 | 2016-11-22 | The device of the magnitude of traffic flow and speed data collection based on infrared matrix |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621262588.9U CN206331586U (en) | 2016-11-22 | 2016-11-22 | The device of the magnitude of traffic flow and speed data collection based on infrared matrix |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331586U true CN206331586U (en) | 2017-07-14 |
Family
ID=59288534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621262588.9U Expired - Fee Related CN206331586U (en) | 2016-11-22 | 2016-11-22 | The device of the magnitude of traffic flow and speed data collection based on infrared matrix |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331586U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355895A (en) * | 2016-11-22 | 2017-01-25 | 四川农业大学 | Traffic flow and vehicle speed collecting device and method based on infrared matrixes |
| CN114926988A (en) * | 2022-07-22 | 2022-08-19 | 山东高速信息集团有限公司 | Road congestion dredging method and equipment |
-
2016
- 2016-11-22 CN CN201621262588.9U patent/CN206331586U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106355895A (en) * | 2016-11-22 | 2017-01-25 | 四川农业大学 | Traffic flow and vehicle speed collecting device and method based on infrared matrixes |
| CN114926988A (en) * | 2022-07-22 | 2022-08-19 | 山东高速信息集团有限公司 | Road congestion dredging method and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106355895A (en) | Traffic flow and vehicle speed collecting device and method based on infrared matrixes | |
| CN103985250B (en) | The holographic road traffic state vision inspection apparatus of lightweight | |
| CN104964662B (en) | A kind of vehicle ultra-wide ultrahigh detection device and detection method | |
| CN102622890B (en) | Laser ranging-based road vehicle information acquisition node device | |
| CN105528913B (en) | A kind of detection of Roadside Parking position and information issuing system | |
| CN103630474B (en) | Multi-lane motor vehicle tail gas PM2.5 telemetering device | |
| CN104244406B (en) | Mine movable object locating system and method under a kind of cloud computing data | |
| CN205138460U (en) | Motor vehicle contour dimension checking system | |
| CN107845289A (en) | A kind of Roadside Parking management and charging system based on height digital video array | |
| CN105427614A (en) | Model classification system and method | |
| CN107380163A (en) | Automobile intelligent alarm forecasting system and its method based on magnetic navigation | |
| CN105575121B (en) | A kind of source science and technology overload remediation data collecting system and method based on intelligent transportation | |
| CN106980113A (en) | Article detection device and object detecting method | |
| CN202615608U (en) | Road vehicle information collection node device based on laser rangefinding | |
| CN107314749A (en) | Subway tunnel deformation based on laser distance measuring principle is monitored and early warning system in real time | |
| CN102628249A (en) | Full-automatic inertial sensing pavement evenness detection system and detection method | |
| CN107341964A (en) | A kind of method for detecting parking stalls and device | |
| CN206331586U (en) | The device of the magnitude of traffic flow and speed data collection based on infrared matrix | |
| WO2020211658A1 (en) | Trigger detection method, apparatus and system | |
| CN106781681A (en) | A kind of parking position intelligent detecting, far management system based on cloud management | |
| CN106767450B (en) | A kind of vehicle super-high ultra-wide detecting system and method based on function calibration | |
| CN108955552A (en) | Lane/tunnel surface non-uniform displacement contactless measuring system and method | |
| CN103942865B (en) | Subway fare evasion prevention system and its design method based on sonac | |
| CN201812381U (en) | Parking lot data acquisition controller | |
| CN107505037B (en) | Monitoring device capable of precisely identifying vehicle type |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20191122 |