CN105321355A - Intelligent expressway overspeed monitoring system of Internet of things - Google Patents
Intelligent expressway overspeed monitoring system of Internet of things Download PDFInfo
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- CN105321355A CN105321355A CN201510884658.8A CN201510884658A CN105321355A CN 105321355 A CN105321355 A CN 105321355A CN 201510884658 A CN201510884658 A CN 201510884658A CN 105321355 A CN105321355 A CN 105321355A
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Abstract
The invention discloses an intelligent expressway overspeed monitoring system of an Internet of things. The intelligent expressway overspeed monitoring system comprises a radio frequency identification card, a reader-writer and an antenna connected with the reader-writer, wherein the reader-writer comprises a radio frequency transceiving module, a main controller, a state indication module, a serial communication module, an auxiliary circuit, a backup interface and a power module; the power module supplies power to the reader-writer; the radio frequency transceiving module is connected with the antenna; the main controller is connected with the state indication module, the serial communication module, the auxiliary circuit, the backup interface and the radio frequency transceiving module, respectively. The intelligent expressway overspeed monitoring system disclosed by the invention can better manage vehicles and violations with an Internet of vehicles and a vehicle management department; a driver can know own violations timely, to correct a violation behavior in time. The problems of mis-judgment, easy gasp missing or mis-grasping in speed measurement, only single-lane monitoring and the like can be effectively reduced; the artificial identification cost is reduced, and the intelligent expressway overspeed monitoring system is easy and efficient to use.
Description
Technical field
The invention discloses a kind of Internet of Things intelligent expressway hypervelocity monitoring system, relate to Internet of Things technical field of intelligent traffic.
Background technology
Highway velocity-measuring system of the prior art mainly comprises following several:
The first, radar velocity measurement: be a transmitting set, a receiver adds a comparer, a high-frequency signal is launched by transmitter and directional antenna, then signal projects the automobile automobile in traveling is metal, signal is returned the received machine of a part by automobile and receives, comparer calculates the mistiming of transmitting and receiving, and then launches and return reception again and ceaselessly compare, as long as the mistiming of comparing twice just can calculate speed.Be aided with the monitoring system that suitable Taking Pictures recording transmission system just constitutes various principle again.
The second, laser velocimeter: laser velocimeter principle is also referred to as laser radar principle (Ladar, LaserDetectionAndRanging), the i.e. meaning of laser interception and range finding.Ladar equipment adopts infrared semiconductor laser diode to launch the extremely narrow light beam of certain frequency and to take accurate aim target, decides speed by measuring the delivery time of infrared light-wave between Ladar equipment and target
The third, ground sensing coil speed measuring generally will use two coils, and between two coils, region is hypervelocity monitored area.Can produce electromagnetic induction in circuit when motor vehicle enters first coil, triggered timer starts timing simultaneously; After walking out second coil, timing terminates, and produces the mistiming of induction according to the Distance geometry between two coils, just can calculate vehicle by speed during hypervelocity monitored area with distance divided by the time.
4th kind, video frequency speed-measuring, the video principle monitoring system that tests the speed is virtual coil video frequency speed-measuring system, namely on the track in video image, establish two virtual coils at a distance of (30-50) m place, the speed due to camera acquisition image is certain (x second/frame), can obtain elapsed time by the frame number calculating picture, utilize vehicle by the mistiming of two virtual coils, just can draw the travelling speed of vehicle.
All also there are some places not fully up to expectations in the mode that tests the speed conventional in prior art.
Radar velocity measurement: using more is a kind of narrow beam advanced capabilities radar, and its field angle is about 4 °-6 °, and the time of testing the speed can reach tens milliseconds.Narrow beam advanced capabilities radar is more suitable for monitoring bicycle road overspeed situation compared with early stage widebeam radar.The emitting radar waves coning angle of wide velocity of wave radar is generally between 10 °-30 °, scanning plane is wider, monitored area is large, when adjacent lane two car enters hypervelocity monitored area side by side or enters hypervelocity monitored area continuously with track two car, which rule-breaking vehicle is radar observation system clearly cannot assert, is easy to cause mistake to grab erroneous judgement.The time of testing the speed of widebeam radar is generally hundreds of millisecond, and therefore, the too high vehicle of the speed of a motor vehicle just can measure its speed after the segment distance of monitored area one, at this moment may have little time to catch its image information, thus cause the situation of Lou grabbing or grabbing by mistake.Therefore, widebeam radar is not suitable for one-lane vehicle-speed monitoring system.
Laser velocimeter: relative to radar, laser velocimeter product price is higher.
Ground sensing coil speed measuring: can road surface be destroyed when being installation, affect pavement life, and coil is easily affected by environment and alteration of form occurs in underground, also by damages such as heavy vehicle extruding, road surface repair, use 2-3 just to need more emat coil, actual maintenance expense is higher than other speed measuring equipment
Video frequency speed-measuring: the topmost shortcoming of this measuring principle is that range rate error is large, is easily subject to the impact of the factors such as illumination; Secondly, all objects through virtual coil all go on record, and invalid data is many, erroneous judgement vehicle is many; Again, once can only test the speed to of a track car, two cars or several cars cannot test the speed through out-of-date simultaneously, more cannot differentiate whether it exceeds the speed limit.Because erroneous judgement vehicle is more and range rate error is too large.
Lack one in prior art and more improve highway speed measuring and monitoring device easily.
Summary of the invention
Technical matters to be solved by this invention is: for the defect of prior art, provides a kind of Internet of Things intelligent expressway hypervelocity monitoring system.
The present invention is for solving the problems of the technologies described above by the following technical solutions:
A kind of Internet of Things intelligent expressway hypervelocity monitoring system, comprise the radio-frequency identification card be arranged in highway on driving vehicle, the antenna being arranged at the read write line on road and being connected with read write line, wherein, described read write line comprises radio-frequency (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 radio-frequency (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 radio-frequency (RF) receiving and transmission module are connected, after described radio-frequency identification card enters read write line identified region, read write line sets up wireless communication link by radio-frequency (RF) receiving and transmission module and antenna and radio-frequency identification card, and the information in radio-frequency card is shown by state indicator module and is uploaded to system server by serial communication module by read write line, described auxiliary circuit comprises timing circuit, described spare interface is in order to realize the expansion of systemic-function.
As present invention further optimization scheme, described radio-frequency identification card comprises and is arranged at vehicle VIN vehicle and sets the electronic tag of code inside, information transmit-receive integrated circuit and information and store integrated circuit.
As present invention further optimization scheme, what described read write line was evenly distributed is arranged in the greenbelt of highway both sides or centre.
As present invention further optimization scheme, described timing circuit record read write line gathers the time of radio-frequency (RF) identification card information, above-mentioned temporal information is uploaded to the server of network-side by serial communication module, the speed of a motor vehicle of the mathematic interpolation vehicle of the different time information that server gathers according to adjacent two read write lines.
As present invention further optimization scheme, described spare interface is also connected with gsm module.
As present invention further optimization scheme, the wireless communication mode between described radio-frequency identification card and antenna is remote UHF or VHF.
As present invention further optimization scheme, described electronic tag comprises the active or passive label of RFID.
The present invention adopts above technical scheme compared with prior art, has following technique effect: technical scheme disclosed in this invention in conjunction with car networking and the better management vehicle of vehicle management unit and can be broken rules and regulations.Allow the driver know oneself situation violating the regulations in time, correct violation behavior in time.The present invention's electronic tag for vehicles cost with low cost is between 0.2-3 unit, the electronic ID card of vehicle when electronic tag can arrange rolling stock information, reduce erroneous judgement, test the speed in easily leak and grab or grab by mistake and can only the problem such as bicycle road monitoring problem, save artificial cognition cost, use simple efficient.
Accompanying drawing explanation
Fig. 1 is Electronic Tag Structure schematic diagram;
Fig. 2 is antenna structure view;
Fig. 3 is reader circuitry structured flowchart;
Fig. 4 is the embodiment schematic diagram of Internet of Things intelligent expressway hypervelocity monitoring system;
Wherein: 1, greenbelt, 2, read write line, 3, vehicle heading, 4, vehicle, 5, track.
Embodiment
Be described below in detail embodiments of the present invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail:
In the present invention, electronic tag, antenna, the structural representation of read write line is respectively as Fig. 1, Fig. 2, shown in Fig. 3, described Internet of Things intelligent expressway hypervelocity monitoring system, comprise the radio-frequency identification card be arranged in highway on driving vehicle, the antenna being arranged at the read write line on road and being connected with read write line, wherein, described read write line comprises radio-frequency (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 radio-frequency (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 radio-frequency (RF) receiving and transmission module are connected, after described radio-frequency identification card enters read write line identified region, read write line sets up wireless communication link by radio-frequency (RF) receiving and transmission module and antenna and radio-frequency identification card, and the information in radio-frequency card is shown by state indicator module and is uploaded to system server by serial communication module by read write line, described auxiliary circuit comprises timing circuit, described spare interface is in order to realize the expansion of systemic-function.
In one particular embodiment of the present invention, preferably described radio-frequency identification card comprises electronic tag, information transmit-receive integrated circuit and the information storage integrated circuit being arranged at vehicle identification vehicle frame bar code inside; What described read write line was evenly distributed is arranged in the greenbelt of highway both sides or centre; As present invention further optimization scheme, described timing circuit record read write line gathers the time of radio-frequency (RF) identification card information, above-mentioned temporal information is uploaded to the server of network-side by serial communication module, the speed of a motor vehicle of the mathematic interpolation vehicle of the different time information that server gathers according to adjacent two read write lines; As present invention further optimization scheme, described spare interface is also connected with gsm module.
Radio-frequency identification card is mainly used to store identified vehicle data information, and the core of radio-frequency identification card is the integrated circuit with information transmit-receive and memory function, and memory capacity is 1024bits or more.During use be produced on the vehicle identification bar code below vehicle front windshield together with, the information (quantity of information that standard label comprises can be formulated) such as attribute, state, numbering of an in store vehicle in radio-frequency identification card.Safe encryption method can be embedded in label, to guarantee that the data on chip can only be read or write by the designated user had permission.
Read write line is for reading or write the data in radio-frequency identification card, and it meets the needs different vehicle of rapid movement being carried out to quick and precisely identification automatically simultaneously, reads distance, recognition speed is fast and identify multiple card simultaneously.Its major function is: 1, to the data message of blank radio-frequency identification card write for storage; 2, the Various types of data information of current storage in radio-frequency identification card is read; 3, the data message in (re-writing) radio-frequency identification card is revised.
Antenna is connected with read write line, mainly sends to radio-frequency identification card and receives relevant data-signal.
The embodiment schematic diagram of Internet of Things intelligent expressway hypervelocity monitoring system as shown in Figure 4, the vehicle travelled on a highway is all provided with the label of electronic information, whole details of vehicle are included in label, this is unique " I.D. " of each car, when the vehicle that electronic tag is housed travels on a highway, close to (ultrahigh frequency maximum distance can more than 100 meters) during read write line within the scope of distance 0-100 rice, read write line is controlled sends request signal, be arranged on below car front windshield, after the VIN electronic tag of vehicle identification vehicle frame bar code inside receives the request signal of read write line, by the data message integrator reflect electrons back tag reader in this signal and label.The Microwave synthesize signal be reflected back, has carried electronic tag data information.After read write line receives the Microwave synthesize signal that tag reflection returns, the information separated such as cognizance code electronic tag can stored after the process of read write line internal microprocessor read out, when garage sail to be set in second reader time, again read data on car, calculate the mistiming of two secondary data, automatically calculate the speed of a motor vehicle.If hypervelocity, the electronic tag data of vehicle is just uploaded to network by control center immediately, and simultaneously vehicle everyone also can receive the prompting of hypervelocity information by gsm module, be convenient to vehicle drive people and adjust the speed of a motor vehicle in time.Record violating the regulations can be seen when this vehicle drives to charge station, and can break rules and regulations by oneself.
System disclosed in this invention solves following problem:
1, solve in radar velocity measurement easily to leak and grab or grab by mistake and problem can only be captured in bicycle road, label in the present invention is integrated or is integrated in vehicle, and it is that no matter in that track or speed, how soon card reader can be caught fast and accurately for unique vehicle " identification card number " vehicle.
2, video frequency speed-measuring medial error is solved large, easily disturb by factors such as illumination, erroneous judgement is many, many vehicles are simultaneously through None-identified etc., device of the present invention is divided into without the need to installing ground induction coil, without the need to destroying ground, as long as on the roadside being arranged on highway or cross bar, device is divided into 3 parts, and Part I is label segment (radio-frequency identification card), and being integrated in each car is the unique identity card number of vehicle, erroneous judgement can not be caused, within cost 0.2-3 unit, Part II is signal transmitter (antenna), and transmit activation label.Part III is the signal of card reader reading tag be passed back, and whether quick immediate analysis vehicle exceeds the speed limit.Illumination does not affect this device, and vehicle identification rate is high.
By reference to the accompanying drawings embodiments of the present invention are explained in detail above, but the present invention is not limited to above-mentioned embodiment, in the ken that those of ordinary skill in the art possess, can also makes a variety of changes under the prerequisite not departing from present inventive concept.The above, it is only preferred embodiment of the present invention, not any pro forma restriction is done to the present invention, although the present invention discloses as above with preferred embodiment, but and be not used to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solution of the present invention content, according to technical spirit of the present invention, within the spirit and principles in the present invention, to any simple amendment that above embodiment is done, equivalent replacement and improvement etc., within the protection domain all still belonging to technical solution of the present invention.
Claims (7)
1. an Internet of Things intelligent expressway hypervelocity monitoring system, is characterized in that: comprise the radio-frequency identification card be arranged in highway on driving vehicle, the antenna being arranged at the read write line on road and being connected with read write line, wherein,
Described read write line comprises radio-frequency (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 radio-frequency (RF) receiving and transmission module is connected with antenna, and described master controller is connected with state indicator module, serial communication module, auxiliary circuit, spare interface and radio-frequency (RF) receiving and transmission module respectively;
After described radio-frequency identification card enters read write line identified region, read write line sets up wireless communication link by radio-frequency (RF) receiving and transmission module and antenna and radio-frequency identification card, and the information in radio-frequency card is shown by state indicator module and is uploaded to system server by serial communication module by read write line;
Described auxiliary circuit comprises timing circuit; Described spare interface is in order to realize the expansion of systemic-function.
2. a kind of Internet of Things intelligent expressway hypervelocity monitoring system as claimed in claim 1, is characterized in that: described radio-frequency identification card comprises and is arranged at vehicle VIN vehicle and sets the electronic tag of code inside, information transmit-receive integrated circuit and information and store integrated circuit.
3. a kind of Internet of Things intelligent expressway hypervelocity monitoring system as claimed in claim 1, is characterized in that: what described read write line was evenly distributed is arranged in the greenbelt of highway both sides or centre.
4. a kind of Internet of Things intelligent expressway hypervelocity monitoring system as claimed in claim 1, it is characterized in that: described timing circuit record read write line gathers the time of radio-frequency (RF) identification card information, above-mentioned temporal information is uploaded to the server of network-side by serial communication module, the speed of a motor vehicle of the mathematic interpolation vehicle of the different time information that server gathers according to adjacent two read write lines.
5. a kind of Internet of Things intelligent expressway hypervelocity monitoring system as claimed in claim 1, is characterized in that: described spare interface is also connected with gsm module.
6. a kind of Internet of Things intelligent expressway hypervelocity monitoring system as claimed in claim 1, is characterized in that: the wireless communication mode between described radio-frequency identification card and antenna is remote UHF or VHF.
7. a kind of Internet of Things intelligent expressway hypervelocity monitoring system as claimed in claim 2, is characterized in that: described electronic tag comprises the active or passive label of RFID.
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| CN201510884658.8A CN105321355A (en) | 2015-12-04 | 2015-12-04 | Intelligent expressway overspeed monitoring system of Internet of things |
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| CN201510884658.8A CN105321355A (en) | 2015-12-04 | 2015-12-04 | Intelligent expressway overspeed monitoring system of Internet of things |
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| CN108765980A (en) * | 2018-04-27 | 2018-11-06 | 榛硕（武汉）智能科技有限公司 | A kind of vehicle overspeed warning device and method |
| CN108806277A (en) * | 2018-04-27 | 2018-11-13 | 榛硕（武汉）智能科技有限公司 | High way super speed automatic monitoring system and method |
| CN108806276A (en) * | 2018-04-27 | 2018-11-13 | 榛硕（武汉）智能科技有限公司 | A kind of novel intelligent traffic system and its operation method |
| CN109345837A (en) * | 2018-08-31 | 2019-02-15 | 深圳市亿兆互联技术有限公司 | A kind of velocity-measuring system and speed-measuring method of tour bus bend |
| CN111866834A (en) * | 2020-07-17 | 2020-10-30 | 上海电机学院 | Storage battery car violation information identification and monitoring system and method based on RFID data |
| CN113409616A (en) * | 2021-06-18 | 2021-09-17 | 郑州市交通规划勘察设计研究院 | Intelligent safety early warning equipment for highway and safety management system thereof |
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