CN207165000U - The retrograde traffic detection system of rule-breaking vehicle - Google Patents
The retrograde traffic detection system of rule-breaking vehicle Download PDFInfo
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- CN207165000U CN207165000U CN201720828583.6U CN201720828583U CN207165000U CN 207165000 U CN207165000 U CN 207165000U CN 201720828583 U CN201720828583 U CN 201720828583U CN 207165000 U CN207165000 U CN 207165000U
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Abstract
The utility model discloses the traffic detection system that a kind of rule-breaking vehicle drives in the wrong direction, it includes：Radar sensor, signal processing unit, machine of taking pictures, image process unit, storage element, communication unit and power subsystem.Signal processing unit includes：Microcontroller, feed regulator isolator and electromagnetic interference eliminator.The input of feed regulator isolator is connected with power subsystem, and its output end is connected with microcontroller.Electromagnetic interference eliminator is connected with microcontroller.The also external man-machine interface of microcontroller, and microcontroller is connected by communication unit with storage element.Radar sensor, machine of taking pictures, image process unit, power subsystem are connected with microcontroller.The utility model carries out detection of driving in the wrong direction using radar sensor and machine of taking pictures to the vehicle of multilane, and its is simple in construction, and discrimination power is high, can the retrograde unlawful practice of effective detection vehicle.
Description
Technical field
Technical field of intelligent traffic is the utility model is related to, is related to a kind of retrograde traffic detection system of rule-breaking vehicle.
Background technology
Reverse driving detecting and in violation of rules and regulations detection are that valued event, existing vehicle drive in the wrong direction intelligent transportation field again in recent years
Detecting relatively advanced detection mode has video detection or detections of radar in violation of rules and regulations.Wherein, video detection is by video image and figure
As identification technology is combined, by carrying out image procossing to the vehicle of detection zone, to analyze retrograde vehicle.This detection side
Formula is easily influenceed by ambient weather, and the precision of detection is not high.And detections of radar is by sending microwave signal to vehicle, leading to
The contrast of the reception time of front and rear microwave signal is crossed to carry out judging whether vehicle drives in the wrong direction.But due to not of uniform size, the appearance of vehicle
Easily erroneous judgement.
Utility model content
Technical problem to be solved in the utility model is the deficiency for background technology, there is provided a kind of rule-breaking vehicle drives in the wrong direction
Traffic detection system, with improve to violation drive in the wrong direction vehicle detection accuracy.
To achieve the above object, the utility model proposes the retrograde traffic detection system of rule-breaking vehicle, it includes：For
Launch and receive the radar sensor of microwave signal, for generating the signal transacting of violation event triggering package according to microwave signal
Unit, the machine of taking pictures that the content for triggering package to violation event is taken pictures, for being taken pictures according to image acquisition unit
Content carry out number plate recognition and generate violation event deposit card package image process unit, for store violation event deposit card envelope
The storage element of bag, communication unit and power subsystem.Wherein, signal processing unit includes：Microcontroller, feed regulator isolator with
And electromagnetic interference eliminator.The input of feed regulator isolator is connected with power subsystem, and its output end is connected with microcontroller.Electromagnetism
Noise killer is connected with microcontroller.The external transmitting for being used to set radar sensor of microcontroller is with receiving the man-machine of sequential
Interface, and microcontroller is connected by communication unit with outside servomechanism.Radar sensor, machine of taking pictures, image process unit, storage
Memory cell, power subsystem are connected with microcontroller.
Preferably, microcontroller is provided with UART Universal Asynchronous Receiver Transmitter, man-machine interface, radar sensor, machine of taking pictures, image processing
MPU of the unit with UART Universal Asynchronous Receiver Transmitter and microcontroller is connected.
Preferably, communication unit is any one of RS232 modules or RS485 modules, ethernet module.
Preferably, signal processing unit also includes analog-digital converter, the output end and simulation numeral of radar sensor
The input connection of converter, the output end of analog-digital converter are connected with microcontroller.
Preferably, signal processing unit also includes Bluetooth adapter, and Bluetooth adapter is connected with microcontroller.
Preferably, in addition to it is used for the first machine box that installing space is provided, radar sensor, signal processing unit, takes pictures
Machine, image process unit, storage element, communication unit and power subsystem are located at the first machine box.
Preferably, in addition to the second machine box, radar sensor, signal processing unit, image process unit, storage element,
Communication unit and power subsystem are located at the first machine box.Machine of taking pictures is in the second machine box.
Compared with prior art, technical solutions of the utility model detect retrograde vehicle by adopting radar sensor, pass through bat
Violation vehicle is captured according to machine, the accuracy to vehicle detection of driving in the wrong direction can be effectively improved.Also, by using single radar
Detector detects with the machine of taking pictures to unidirectional multilane, simplifies the structure of system.By the way that all units are assembled in into a machine
In box or two machine boxes, it is easy to safeguard system, while the convenience that lifting system is set up.By external man-machine interface come
The transmitting of control radar sensor is easy to the noise and stray wave situation according to environment, to radar sensor with receiving sequential
Transmitting is adjusted with receiving sequential, reduces erroneous judgement violation event.The peace of system is improved by setting electromagnetic interference eliminator
Quan Xing.
The utility model is applied to expressway ramp or Ordinary Rd crossing, can be with effective detection ring road mouth or general road
The vehicle of mouth drives in the wrong direction.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the required accompanying drawing used is briefly described in description of the prior art, it should be apparent that, drawings in the following description are only
It is some embodiments of the utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the structural representation of the embodiment of the utility model one；
Fig. 2 is the schematic diagram of the first embodiment of an embodiment of the present utility model；
Fig. 3 is the schematic diagram of second of embodiment of an embodiment of the present utility model；
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Reference picture 1-2, Fig. 1 are the structural representation of the embodiment of the utility model one.
As shown in figure 1, the traffic detection system that the rule-breaking vehicle is retrograde, it includes：Man-machine interface 100, radar sensor
200th, signal processing unit 300, machine 400 of taking pictures, image process unit 500, storage element 600, communication unit 700, power supply list
Member 800.Wherein, signal processing unit 300 includes：Microcontroller 310, feed regulator isolator 320 and electromagnetic interference eliminator
330.The input of feed regulator isolator 320 is connected with power subsystem 800, and its output end is connected with microcontroller 310.Electromagnetic interference
Suppressor 330 is connected with microcontroller 310.The external man-machine interface 100 of microcontroller 310, and microcontroller 310 is single by communicating
Member 700 is connected with outside servomechanism.Radar sensor 200, machine 400 of taking pictures, image process unit 500, storage element 600, electricity
Source unit 800 is connected with microcontroller 310.
Man-machine interface 100 is used to input the parameter of user and operative scenario is inspected, and can be set by man-machine interface 100
The transmitting of radar sensor 200 selectes the algorithm judged with receiving sequential.
Radar sensor 200 is used to launch and receive microwave signal, exports related data.
Signal processing unit 300 is used for the reception data according to radar sensor 200, extracts vehicle traveling direction, foundation
Selected algorithm, judge that vehicle whether in violation of rules and regulations and after determination violation, merges sequential and driving information, produces the triggering of violation event
Package, violation event triggering package is sent to the machine of taking pictures 400 and image process unit 500.
The content that machine 400 of taking pictures is used to trigger violation event package is taken pictures, and image is sent into image processing
Unit 500.
Image process unit 500 performs the number plate recognition in specific track according to violation trigger event package content and image,
Produce violation event and deposit card package, violation event is deposited into card package is sent to communication unit 700 and storage by microcontroller 310
Unit 600.
Communication unit 700 deposits card package for receiving violation event, and this is deposited into card package according to designated communication agreement is sent to
Outside servomechanism.Specifically, in the present embodiment, the communication unit 700 is RS232 modules or RS485 modules or Ethernet
Any one in module.
800 external mains supply of power subsystem, radar sensor 200, man-machine boundary are provided after the conversion of feed regulator isolator 320
The unit of face 100, signal processing unit 300, machine 400 of taking pictures, image process unit 500, storage element 600, the institute of communication unit 700
The power supply needed.In the present embodiment, centered on signal processing unit 300, remaining each unit respectively with signal processing unit 300
Carry out two-way electric connection.
In the present embodiment, for microcontroller 310 using Cortex-M4 processors serial 32 ARM, it has numerical digit letter
Number disposal ability and floating-point accelerator, its bus matrix is applicable to diversified data exchange, and makes its number to outer boundary
According to very effective rate is exchanged, its MPU can provide fine memory Read-write Catrol.
Further, the microcontroller 310 is provided with UART Universal Asynchronous Receiver Transmitter 311, man-machine interface 100, radar sensor
200th, take pictures machine 400, image process unit 500 is connected with UART Universal Asynchronous Receiver Transmitter 311 with microcontroller 310MPU.In this reality
Apply in example, UART Universal Asynchronous Receiver Transmitter 311 be applied to different communications protocols communications and liaison, such as RS232, RS485, Ethernet, by
This in order to carrying out data transmission in several ways.
Further, signal processing unit 300 also includes analog-digital converter 340, the output end of radar sensor 200
It is connected with the input of analog-digital converter 340, the output end of analog-digital converter 340 is connected with microcontroller 310.It is logical
Analog-digital converter 340 is crossed in order to which the microwave signal that radar sensor 200 receives is converted into data during specific demand, and
The MPU of microcontroller 310 is transferred data to by bus matrix.
Yet further, in the present embodiment, the signal processing unit 300 also includes Bluetooth adapter 350, bluetooth adaptation
Device 350 is connected with microcontroller 310.It can be transferred data on the bluetooth equipment outside system, carried by Bluetooth adapter 350
The convenience of high system transmission data.
The detection process that the utility model drives in the wrong direction to rule-breaking vehicle is as follows：
Step 1：User inputs the transmitting of radar sensor 200 via man-machine interface 100 and receives sequential, input choosing
Fixed judgement violation algorithm.
Step 2：Radar sensor 200 receives a timing instructions, launches detection zone microwave signal and to receive microwave anti-
Penetrate signal, microwave reflection signal is amplified, filtering, mixing and Analog-digital Converter, resulting digital date is exported to letter
Number processing unit 300.
Step 3：Signal processing unit 300 performs numerical digit filtering, fast Fourier transform, threshold detection algorithm, with amount
The size of Doppler frequency is surveyed with positive and negative, resolving speed and direction, determines whether violation event.Define Doppler frequency on the occasion of for
The direction of convergence radar sensor 200, the direction of Doppler frequency negative value Wei Far From radar sensors 200, if being through calculation result
The direction of convergence radar sensor 200, then judge direction of traffic mistake, that is, is judged as reverse in violation of rules and regulations；
If judging not violation, repeat step two,
If in violation of rules and regulations, output violation event triggering package is sent to the machine of taking pictures 400 and image process unit 500.
Step 4：Machine 400 of taking pictures be undecided rule event triggering package content taken pictures, image is sent to image processing list
Member 500.Image process unit 500 receives violation event triggering package and image, judges that track is corresponding with image, performs image
The differentiation of block, number plate recognition is carried out in specific image block, merges image, identification result and relevent information, produces violation thing
Part deposits card package, and violation event is deposited into card package is sent to communication unit 700 and storage element 600.
Step 5：Communication unit 700 receives violation event and deposits card package, according to designated communication passage, this is deposited into card package and passed
Deliver to outside servomechanism.
Step 6：Storage element 600 receives violation event and deposits card package, is stored by specified format.
Compared with prior art, technical solutions of the utility model detect retrograde vehicle by adopting radar sensor 200, pass through
Machine 400 of taking pictures is captured to violation vehicle, can effectively improve the accuracy to vehicle detection of driving in the wrong direction.Also, by using list
One radar sensor 200 detects with the machine of taking pictures 400 to unidirectional multilane, simplifies the structure of system.Pass through external people
Transmitting and the reception sequential of control radar sensor 200 are carried out in machine interface 100, are easy to the noise and stray wave situation according to environment,
Transmitting to radar sensor 200 is adjusted with receiving sequential, reduces erroneous judgement violation event.By setting electromagnetic interference to suppress
Device 330 improves the security of system.
The utility model is applied to expressway ramp or Ordinary Rd crossing, can be with effective detection ring road mouth or general road
The vehicle of mouth drives in the wrong direction.
In the present embodiment, the system also includes being used for providing the first machine box 910 of installing space, radar sensor 200,
Signal processing unit 300, machine 400 of taking pictures, image process unit 500, storage element 600, communication unit 700 and power subsystem
800 are located at the first machine box 910.By the way that all units are assembled in into a machine box, it is easy to safeguard system, is lifted simultaneously
The convenience that system is set up.
As shown in Fig. 2 the first machine box 910 is set up in the vertical rod by appropriate location, such as ring road mouth or general crossing,
So that the antenna beam coverage area (i.e. solid line represents) of radar sensor 200 and the visual field for machine 400 of taking pictures are covered (such as void
Line represents) it is slightly identical, to cover unidirectional multilane, include track and outlet.When equidirectional vehicle because miss outlet and move backward or
When vehicle drives in the wrong direction in outlet, when radar sensor 200 detects the anisotropy of driving, it is judged as through signal processing unit 300
After violation, violation event triggering package is sent to the machine of taking pictures 400 and image process unit 500, by the machine of taking pictures 400 and image
Reason unit 500 is taken a picture respectively and number plate recognition, produces violation event and deposits card package, and violation event is deposited into card package transmission
To communication unit 700 and storage element 600.Communication unit 700 receives violation event and deposits card package, will according to designated communication passage
This is deposited card package and is sent to outside servomechanism.Storage element 600 receives violation event and deposits card package, is stored by specified format.
In a second embodiment, the system also includes the second machine box 920, radar sensor 200, signal processing unit 300,
Image process unit 500, storage element 600, communication unit 700 and power subsystem 800 are located at the first machine box 910.Clap
According to machine 400 in the second machine box 920.
As shown in figure 3, in the vertical rod for the both sides that the first machine box 910 and the second machine box 920 are respectively erected in roadside, radar passes
The antenna beam of sensor 200 covers unidirectional multilane (i.e. shown in solid in figure), and exit lane is covered in the visual field for machine 400 of taking pictures
(i.e. in figure shown in dotted line).When equidirectional vehicle is moved backward or driven in the wrong direction in exit because finding lower outlet by mistake, radar sensor
200 when detecting direction of traffic mistake, and after signal processing unit 300 is judged as violation, generation violation event triggering package is simultaneously
The machine of taking pictures 400 and image process unit 500 are sent to, by the machine of taking pictures 400 and image process unit 500 is taken a picture respectively and car
Board recognizes, and produces violation event and deposits card package, and violation event is deposited into card package is sent to communication unit 700 and storage element 600.
Communication unit 700 receives violation event and deposits card package, according to designated communication passage, this is deposited into card package and is sent to outside servomechanism.
Storage element 600 receives violation event and deposits card package and preserve.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every equivalent structure change under inventive concept of the present utility model, made using the utility model specification and accompanying drawing content
Change, or directly/be used in other related technical areas indirectly and be included in scope of patent protection of the present utility model.
Claims (7)
- A kind of 1. retrograde traffic detection system of rule-breaking vehicle, applied to expressway ramp or Ordinary Rd crossing, its feature It is, including：For launching and receiving the radar sensor of microwave signal, for generating the triggering of violation event according to microwave signal The signal processing unit of package, the machine of taking pictures that the content for triggering package to violation event is taken pictures, for according to shadow As content that acquisition unit is taken pictures carries out number plate recognition and generates the image process unit that violation event deposits card package, for storing Violation event deposits the storage element of card package, communication unit and power subsystem；Wherein, the signal processing unit includes：Microcontroller, feed regulator isolator and electromagnetic interference eliminator；The power supply The input of adjuster is connected with the power subsystem, and its output end is connected with microcontroller；The electromagnetic interference eliminator with The microcontroller connection；Man-machine interface of the external transmitting for being used to set radar sensor of the microcontroller with receiving sequential, and the microcontroller Device is connected by the communication unit with outside servomechanism；The radar sensor, the machine of taking pictures, the image processing list First, described storage element, the power subsystem are connected with the microcontroller.
- A kind of 2. retrograde traffic detection system of rule-breaking vehicle as claimed in claim 1, it is characterised in that the microcontroller Provided with UART Universal Asynchronous Receiver Transmitter, the man-machine interface, the radar sensor, the machine of taking pictures, the image process unit are equal It is connected with the MPU of the UART Universal Asynchronous Receiver Transmitter and microcontroller.
- A kind of 3. retrograde traffic detection system of rule-breaking vehicle as claimed in claim 2, it is characterised in that the communication unit For any one in RS232 modules or RS485 modules or ethernet module.
- A kind of 4. retrograde traffic detection system of rule-breaking vehicle as claimed in claim 1, it is characterised in that the signal transacting Unit also includes analog-digital converter, and the output end of the radar sensor and the input of the analog-digital converter connect Connect, the output end of the analog-digital converter is connected with the microcontroller.
- A kind of 5. retrograde traffic detection system of rule-breaking vehicle as claimed in claim 1, it is characterised in that the signal transacting Unit also includes Bluetooth adapter, and the Bluetooth adapter is connected with the microcontroller.
- A kind of 6. retrograde traffic detection system of rule-breaking vehicle as claimed in any one of claims 1 to 5, wherein, it is characterised in that Also include being used for providing the first machine box of installing space, the radar sensor, the signal processing unit, the machine of taking pictures, The image process unit, the storage element, the communication unit and the power subsystem are located at the first machine box.
- 7. the retrograde traffic detection system of a kind of rule-breaking vehicle as claimed in claim 6, it is characterised in that also including the second machine Box, the radar sensor, the signal processing unit, the image process unit, the storage element, the communication unit And the power subsystem is located at the first machine box；The machine of taking pictures is in the second machine box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720828583.6U CN207165000U (en) | 2017-07-10 | 2017-07-10 | The retrograde traffic detection system of rule-breaking vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720828583.6U CN207165000U (en) | 2017-07-10 | 2017-07-10 | The retrograde traffic detection system of rule-breaking vehicle |
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| CN207165000U true CN207165000U (en) | 2018-03-30 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346298A (en) * | 2018-04-27 | 2018-07-31 | 希社（上海）智能交通科技有限公司 | Retrograde traffic violation evidence-obtaining system and method |
| WO2020238868A1 (en) * | 2019-05-24 | 2020-12-03 | 北京骑胜科技有限公司 | Method and apparatus for detecting traveling of vehicle, and electronic device, and readable storage medium |
| TWI808603B (en) * | 2022-01-10 | 2023-07-11 | 中華電信股份有限公司 | A ramp exit road condition detection system, method, and computer-readable medium thereof |
-
2017
- 2017-07-10 CN CN201720828583.6U patent/CN207165000U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108346298A (en) * | 2018-04-27 | 2018-07-31 | 希社（上海）智能交通科技有限公司 | Retrograde traffic violation evidence-obtaining system and method |
| WO2020238868A1 (en) * | 2019-05-24 | 2020-12-03 | 北京骑胜科技有限公司 | Method and apparatus for detecting traveling of vehicle, and electronic device, and readable storage medium |
| TWI808603B (en) * | 2022-01-10 | 2023-07-11 | 中華電信股份有限公司 | A ramp exit road condition detection system, method, and computer-readable medium thereof |
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