CN105761505A - Highway vehicle overspeed capturing system - Google Patents
Highway vehicle overspeed capturing system Download PDFInfo
- Publication number
- CN105761505A CN105761505A CN201610212022.3A CN201610212022A CN105761505A CN 105761505 A CN105761505 A CN 105761505A CN 201610212022 A CN201610212022 A CN 201610212022A CN 105761505 A CN105761505 A CN 105761505A
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- China
- Prior art keywords
- highway
- module
- vehicle
- zigbee
- image
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Classifications
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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
- G08G1/052—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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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/50—Constructional details
- H04N23/55—Optical parts specially adapted for electronic image sensors; Mounting thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
Abstract
The invention discloses a highway vehicle overspeed capturing system, which belongs to the technical field of intelligent traffic vehicle capturing systems. The system of the invention comprises a traffic monitoring terminal, a coordinator, a router and ZigBee wireless network nodes, wherein the ZigBee wireless network nodes are equidistantly arranged on the highway; each ZigBee wireless network node comprises a ZigBee module, a vehicle speed detection unit, a control unit and an image acquisition unit; the image acquisition unit comprises an image capturing module, an image transmission module and an image storage module; the image transmission module comprises a first convex lens with a focal length to be f1, a second concavoconcave lens with a focal length to be f2 and a third convex lens with a focal length to be f3; the ratio of f1 to f2 is -0.2 to -1.45; the ratio of f1 to f3 is 0.5 to 1.3; and the distance d1 between the first convex lens and the second concavoconcave lens is 2 to 7.5 mm. 24-hour automatic real-time monitoring can be carried out on the highway, and the captured image has high resolution.
Description
Technical field
The present invention relates to a kind of overspeed of vehicle on highway capturing system, belong to intelligent traffic vehicle capturing system technical field.
Background technology
The development of highway, shorten intercity between distance, promote expanding economy, the life making the people is more convenient.According to incompletely statistics, the traffic accident that highway occurs, major part is caused by driving over the speed limit.In order to effectively contain the behavior that on highway, overspeed violation travels, the vehicle supervision department of various places sets up monitoring point the most on a highway.
Application No. 201310581309.X, the patent application in filing date on November 18th, 2013 discloses a kind of intelligent expressway oversize vehicle and breaks rules and regulations grasp shoot device, including camera, processing means, microprocessor and the wireless communication module being connected with microprocessor it is provided with in processing means, camera is connected with microprocessor, microprocessor and remote data base and the wireless telecommunications of violation data storehouse.Intelligent expressway oversize vehicle grasp shoot device of breaking rules and regulations can carry out the preliminary judgement of oversize vehicle by the root vehicle's contour of refusing to photograph in image, and the number-plate number enquiring vehicle information in image can be refused by root, confirmation vehicle is oversize vehicle, and capture, intelligence degree is high, capture accurately, the fright power that oversize vehicle is played, it is possible to decrease the probability that this type of traffic offence occurs.
nullApplication No. 201420616691.3，The patent application in filing date on October 23rd, 2014 discloses the movable type portable candid photograph equipment that a kind of highway is violating the regulations，Including casing，Intelligent transportation video camera is installed in casing、Wireless router and lithium battery power supply system，Casing is arranged on mounting bracket assembly，Mounting bracket assembly includes support，Cradle top is provided with a disk body，The side of this disk body card has two clamp rails，The opposite side of this disk body card is provided with an installing hole or installs bolt，Bottom half is provided with the bail with clamp rail and the mounting groove corresponding with installing hole or installation bolt，Support is arranged below anchor ear，Anchor ear is connected with support by connection strap，One end of connection strap is hinged with support，The other end of connection strap is hinged with anchor ear，Bottom half is by being connected fixing with the installing hole of cradle top or installation bolt at the securing member of casing internal locking.The technical program is lightweight, and volume is little, easy for installation, anywhere, is directly placed on fence upright, adjusts angle, can capture violating the regulations.
Application No. 201510884658.8, the application for a patent for invention in filing date on December 4th, 2015 discloses a kind of Internet of Things intelligent expressway hypervelocity monitoring system, including radio-frequency identification card, read write line and the antenna being connected with read write line, described read write line includes RF receiving and transmission module, master controller, state indicator module, serial communication module, auxiliary circuit, spare interface and power module, described power module is powered to read write line, described RF receiving and transmission module is connected with antenna, described master controller respectively with state indicator module, serial communication module, auxiliary circuit, spare interface and RF receiving and transmission module are connected.Technical scheme disclosed in this invention can preferably manage vehicle in conjunction with car networking and vehicle management unit and break rules and regulations.Allow the driver know situation of oneself breaking rules and regulations in time, correct violation behavior in time.Can effectively reduce erroneous judgement, test the speed in easily leakage grab or grab by mistake and can only the problem such as bicycle road monitoring problem, save manual identified cost, use simple efficiently.
Existing high way super speed automatic snapshot system rely primarily on the camera being fixedly installed on monitoring point on a highway or movably picture pick-up device shoot the vehicle driven over the speed limit, but the picture of shooting when transmission because the many reasons resolution ratio that causes picture is the best.
Summary of the invention
In order to solve the problems referred to above, the present invention proposes a kind of overspeed of vehicle on highway capturing system, uses ZigBee wireless communication networks, and within 24 hours, whether monitoring vehicle on expressway drives over the speed limit, and the photo resolution of shooting is high.
The present invention solves that its technical problem adopts the following technical scheme that
A kind of overspeed of vehicle on highway capturing system, including traffic monitoring terminal, telegon, router and ZigBee wireless network node, each router connects n ZigBee wireless network node, m router is connected with traffic monitoring terminal by telegon, n and m is the natural number more than 1；N ZigBee wireless network node is placed equidistant on a highway, all including ZigBee module, Bus-Speed Monitoring unit, control unit and image acquisition units, described Bus-Speed Monitoring unit, control unit and image acquisition units are connected with ZigBee module respectively；The output of described ZigBee module is connected with antenna by antenna transceiver, and described antenna communicates wirelessly with residing router；Described Bus-Speed Monitoring unit is for detecting the Vehicle Speed near ZigBee wireless network node；The Vehicle Speed of reception is judged by described control unit with setting speed limit, and with it is judged that result sends instruction to image acquisition units；Described image acquisition units shoots the image of over-speed vehicles after the instruction receiving control unit；
Described image acquisition units includes video capture module, image transmission module and image storage module, described image transmission module includes that focal length is f1 the first convex lens, focal length is second biconcave lens of f2, focal length is the 3rd convex lens of f3, the ratio of f1/f2 is-0.2 to-1.45, the ratio of f1/f3 is 0.5 to 1.3, and distance d1 between the first convex lens and the second biconcave lens is 2-7.5mm.
As a preferred technical solution of the present invention: the surface radian of described first convex lens is more than the surface radian of described 3rd convex lens.
As a preferred technical solution of the present invention: described telegon uses the CC2530 chip of TI company.
As a preferred technical solution of the present invention: described ZigBee module is CC2530 module.
As a preferred technical solution of the present invention: described control unit uses embedded-type ARM 7 chip.
A kind of overspeed of vehicle on highway capturing system of the present invention, uses above technical scheme compared with prior art, has following technical effect that
1, the present invention uses ZigBee wireless communication networks, within 24 hours, whether monitoring vehicle on expressway drives over the speed limit, it is ensured that the safety traffic of driver, it is to avoid the generation of traffic accident.
2, the image transmission module of the present invention includes that focal length is f1 the first convex lens, focal length is second biconcave lens of f2, focal length is the 3rd convex lens of f3, the ratio of f1/f2 is-0.2 to-1.45, and the ratio of f1/f3 is 0.5 to 1.3, and distance d1 between the first convex lens and the second biconcave lens is 2-7.5mm, system aberration can be eliminated, improve the resolution ratio of image.
3, the image transmission module that the present invention uses is three lens optical systems, and its elimination aberration ability significantly improves compared with two lens optical systems.
4, automaticity of the present invention is high, it is high to capture precision, false drop rate is low, is greatly improved the operating efficiency of highway law enforcement.
Detailed description of the invention
Below the invention is described in further details.
A kind of overspeed of vehicle on highway capturing system, including traffic monitoring terminal, telegon, router and ZigBee wireless network node, each router connects n ZigBee wireless network node, m router is connected with traffic monitoring terminal by telegon, n and m is the natural number more than 1；N ZigBee wireless network node is placed equidistant on a highway, all including ZigBee module, Bus-Speed Monitoring unit, control unit and image acquisition units, described Bus-Speed Monitoring unit, control unit and image acquisition units are connected with ZigBee module respectively；The output of described ZigBee module is connected with antenna by antenna transceiver, and described antenna communicates wirelessly with residing router；Described Bus-Speed Monitoring unit is for detecting the Vehicle Speed near ZigBee wireless network node；The Vehicle Speed of reception is judged by described control unit with setting speed limit, and with it is judged that result sends instruction to image acquisition units；Described image acquisition units shoots the image of over-speed vehicles after the instruction receiving control unit；
Described image acquisition units includes video capture module, image transmission module and image storage module, described image transmission module includes that focal length is f1 the first convex lens, focal length is second biconcave lens of f2, focal length is the 3rd convex lens of f3, the ratio of f1/f2 is-0.2 to-1.45, the ratio of f1/f3 is 0.5 to 1.3, and distance d1 between the first convex lens and the second biconcave lens is 2-7.5mm.
As a preferred technical solution of the present invention: the surface radian of described first convex lens is more than the surface radian of described 3rd convex lens.
As a preferred technical solution of the present invention: described telegon uses the CC2530 chip of TI company.
As a preferred technical solution of the present invention: described ZigBee module is CC2530 module.
As a preferred technical solution of the present invention: described control unit uses embedded-type ARM 7 chip.
The image transmission module of the present invention includes that focal length is f1 the first convex lens, focal length is second biconcave lens of f2, focal length is the 3rd convex lens of f3, the ratio of f1/f2 is-0.2 to-1.45, the ratio of f1/f3 is 0.5 to 1.3, distance d1 between first convex lens and the second biconcave lens is 2-7.5mm, can eliminate system aberration, improves the resolution ratio of image.
The image transmission module that the present invention uses is three lens optical systems, and it eliminates aberration ability and significantly improves compared with two lens optical systems, and putting into practice surface, to have said structure image quality of the present invention higher.
The present invention uses ZigBee wireless communication networks, within 24 hours, whether monitoring vehicle on expressway drives over the speed limit, it is ensured that the safety traffic of driver, it is to avoid the generation of traffic accident.
ZigBee is a kind of highly reliable wireless data sending network, is similar to CDMA and GSM network.ZigBee digital transmission module is similar to mobile network base station.Communication distance from the 75m of standard to hundreds of rice, several kilometers, and support infinite expanding.ZigBee be one by can the wireless data sending network platform forming of more to 65000 wireless data transmission modules, in whole network range, can be in communication with each other between each ZigBee-network digital transmission module, the distance between each network node can be from the 75m infinite expanding of standard.
The feature of ZigBee be closely, low complex degree, self-organizing, low-power consumption, low data rate.It is mainly suitable for, for automatically controlling and remote control field, various equipment to be embedded.In brief, ZigBee is exactly a kind of cheap, the near radio networking mechanics of communication of low-power consumption.ZigBee is the wireless network protocol of a kind of low speed short-distance transmission.Zigbee protocol is respectively physical layer (PHY), MAC layer (MAC), transport layer (TL), Internet (NWK), application layer (APL) etc. from top to bottom.Wherein physical layer and MAC layer follow the regulation of IEEE 802.15.4 standard.ZigBee-network is mainly characterized by low-power consumption, low cost, low rate, support great deal of nodes, supports multiple network topology, low complex degree, quick, reliable, safety.Equipment in ZigBee-network can be divided into the Three roles such as telegon (Coordinator), aggregation node (Router), sensor node (EndDevice).
The present invention can be greatly improved the consciousness of automobile driver, strengthens awareness of safety, reduces the traffic accidents caused because driving over the speed limit, it is ensured that the safety traffic of vehicle, improves efficiency and the implementation capacity of management traffic system.The present invention can carry out 24 hours automatic real-time monitoring to highway, has greatly saved human resources, and do not have and monitor ineffective situation under severe weather conditions.Automaticity of the present invention is high, it is high to capture precision, false drop rate is low, is greatly improved the operating efficiency of highway law enforcement.
Above embodiments of the present invention are explained in detail, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art are possessed, it is also possible to make a variety of changes on the premise of without departing from present inventive concept.
Claims (5)
1. an overspeed of vehicle on highway capturing system, including traffic monitoring terminal, telegon, router and ZigBee wireless network node, each router connects n ZigBee wireless network node, m router is connected with traffic monitoring terminal by telegon, n and m is the natural number more than 1；N ZigBee wireless network node is placed equidistant on a highway, all including ZigBee module, Bus-Speed Monitoring unit, control unit and image acquisition units, described Bus-Speed Monitoring unit, control unit and image acquisition units are connected with ZigBee module respectively；The output of described ZigBee module is connected with antenna by antenna transceiver, and described antenna communicates wirelessly with residing router；Described Bus-Speed Monitoring unit is for detecting the Vehicle Speed near ZigBee wireless network node；The Vehicle Speed of reception is judged by described control unit with setting speed limit, and with it is judged that result sends instruction to image acquisition units；Described image acquisition units shoots the image of over-speed vehicles after the instruction receiving control unit；
It is characterized in that described image acquisition units includes video capture module, image transmission module and image storage module, described image transmission module includes that focal length is f1 the first convex lens, focal length is second biconcave lens of f2, focal length is the 3rd convex lens of f3, the ratio of f1/f2 is-0.2 to-1.45, the ratio of f1/f3 is 0.5 to 1.3, and distance d1 between the first convex lens and the second biconcave lens is 2-7.5mm.
A kind of overspeed of vehicle on highway capturing system the most according to claim 1, it is characterised in that the surface radian of described first convex lens is more than the surface radian of described 3rd convex lens.
A kind of overspeed of vehicle on highway capturing system the most according to claim 1, it is characterised in that described telegon uses the CC2530 chip of TI company.
A kind of overspeed of vehicle on highway capturing system the most according to claim 1, it is characterised in that described ZigBee module is CC2530 module.
A kind of overspeed of vehicle on highway capturing system the most according to claim 1, it is characterised in that described control unit uses embedded-type ARM 7 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212022.3A CN105761505A (en) | 2016-04-07 | 2016-04-07 | Highway vehicle overspeed capturing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610212022.3A CN105761505A (en) | 2016-04-07 | 2016-04-07 | Highway vehicle overspeed capturing system |
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| CN105761505A true CN105761505A (en) | 2016-07-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610212022.3A Pending CN105761505A (en) | 2016-04-07 | 2016-04-07 | Highway vehicle overspeed capturing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979206A (en) * | 2017-12-28 | 2019-07-05 | 杭州海康威视系统技术有限公司 | Vehicle speed measuring method, device, system, electronic equipment and storage medium |
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| CN103826035A (en) * | 2012-11-17 | 2014-05-28 | 无锡华御信息技术有限公司 | Surveillance camera |
| CN104809885A (en) * | 2015-04-17 | 2015-07-29 | 无锡市崇安区科技创业服务中心 | Capturing device for expressway vehicle overspeed |
| CN105303846A (en) * | 2015-08-18 | 2016-02-03 | 苏州玄禾物联网科技有限公司 | Motorway vehicle overspeed snapshot system based on ZigBee |
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2016
- 2016-04-07 CN CN201610212022.3A patent/CN105761505A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120262579A1 (en) * | 2011-04-15 | 2012-10-18 | Hon Hai Precision Industry Co., Ltd. | Electronic device and vehicle detection method using the electronic device |
| CN103826035A (en) * | 2012-11-17 | 2014-05-28 | 无锡华御信息技术有限公司 | Surveillance camera |
| CN104809885A (en) * | 2015-04-17 | 2015-07-29 | 无锡市崇安区科技创业服务中心 | Capturing device for expressway vehicle overspeed |
| CN105303846A (en) * | 2015-08-18 | 2016-02-03 | 苏州玄禾物联网科技有限公司 | Motorway vehicle overspeed snapshot system based on ZigBee |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109979206A (en) * | 2017-12-28 | 2019-07-05 | 杭州海康威视系统技术有限公司 | Vehicle speed measuring method, device, system, electronic equipment and storage medium |
| CN109979206B (en) * | 2017-12-28 | 2020-11-03 | 杭州海康威视系统技术有限公司 | Vehicle speed measuring method, device and system, electronic equipment and storage medium |
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Application publication date: 20160713 |
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