CN103871134B - Intelligent controllable campus vehicle safety roadblock system - Google Patents
Intelligent controllable campus vehicle safety roadblock system Download PDFInfo
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- CN103871134B CN103871134B CN201410075908.9A CN201410075908A CN103871134B CN 103871134 B CN103871134 B CN 103871134B CN 201410075908 A CN201410075908 A CN 201410075908A CN 103871134 B CN103871134 B CN 103871134B
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Abstract
The invention discloses an intelligent controllable campus vehicle safety roadblock system which comprises an upper computer, a campus entrance inspection station, a roadblock inspection station and a vehicle-mounted radio frequency terminal, wherein the campus entrance inspection station is connected with the upper computer; each inspection station is respectively provided with a lower computer, a radio frequency identification reader, a roadblock mechanism and a roadblock control module; the lower computer and the upper computer are connected and communicated through a local area network; the roadblock control module comprises a controller, a control output circuit and a roadblock driving motor. The radio frequency identification reader identifies information of the vehicle-mounted radio frequency terminal in the passing vehicle and transmits the information to the lower computer; and the lower computer sends control information to the controller through the control output circuit according to the vehicle information, so that the controller controls the roadblock mechanism to block the vehicle through the roadblock driving motor. The invention utilizes the radio frequency identification wireless communication technology to carry out multidirectional identification and management on vehicles entering the campus, and can effectively ensure the safety of specific areas and roads in the campus.
Description
Technical field
The present invention relates to technical field of RFID, particularly a kind of intelligent controllable type campus vehicle safety barrier system.
Background technology
Along with popularizing of vehicle, the vehicle in turnover campus gets more and more, and needs to carry out the safety that orderly management can ensure personnel in the school.Vehicle at present for turnover campus generally only manually can be registered with entrance guard, and workload is comparatively large, enters the management behind campus be also difficult to carry out for vehicle, needs to drop into larger manpower, police strength, cannot road safety in effective guarantee campus.
Summary of the invention
The technical problem to be solved in the present invention is: utilize radio-frequency (RF) identification wireless communication technology, is passed in and out the vehicle in campus, ensure the road safety in campus by radio signals identification and management.
The technical scheme that the present invention takes is specially: a kind of intelligent controllable type campus vehicle safety barrier system, and comprise host computer, the entrance being arranged at campus entrance patrols and examines station, and more than 1 roadblock being arranged at inside, campus patrols and examines station, and vehicle-mounted rf terminal;
Entrance patrols and examines station and each roadblock is patrolled and examined in station and is respectively equipped with slave computer, radio-frequency identification reader, road-block mechanism and roadblock control module; Each slave computer is communicated with being connected by LAN (Local Area Network) between host computer; Entrance patrols and examines station and each roadblock is patrolled and examined in station, radio-frequency identification reader identification by way of vehicle in the information of vehicle-mounted rf terminal, the output terminal of radio-frequency identification reader connects the input end of corresponding slave computer respectively;
Roadblock control module comprises control output circuit, controller and roadblock drive motor; The output terminal of slave computer is by controlling the input end of output circuit connection control device, and controller controls the operation of roadblock drive motor; The output terminal of roadblock drive motor connects road-block mechanism, switches between open channel and closing passage state to drive road-block mechanism.
The present invention is when applying, and vehicle-mounted rf terminal can adopt existing radio-frequency card, can store the vehicle-related information that can be sent by radiofrequency signal, as vehicle model, classification, access entitlements etc. in radio-frequency card.Patrol and examine station when vehicle from campus entrance to enter, namely the radio-frequency identification reader that entrance patrols and examines station sends inquiry message by launching radio frequency to vehicle to be entered, as vehicle-mounted rf terminal existing on vehicle, then the vehicle-mounted rf terminal on vehicle can feed back vehicle-related information to radio-frequency identification reader; If vehicle is for enter campus first, then can provide vehicle-mounted rf terminal by managerial personnel to it, and the relevant information of corresponding vehicle is inputted in vehicle-mounted rf terminal, vehicle-related information registration be backed up in host computer simultaneously.Described access entitlements can be arranged according to the demand of vehicle to be entered, and only allow vehicle can patrol and examine station by indivedual roadblock.Then after vehicle enters campus, when passing by certain roadblock and patrolling and examining station, the radio-frequency identification reader that this roadblock patrols and examines station can obtain the relevant information of vehicle, vehicle-related information is sent to host computer by LAN (Local Area Network) by slave computer, host computer is by patrolling and examining station address by authority information with the current roadblock carrying out data interaction and mate in vehicle-related information, thus judge whether to let pass, and then control by slave computer road-block mechanism that corresponding roadblock patrols and examines station and vehicle let pass or stops.
Further, described road-block mechanism of the present invention comprises the pedestal of road turbine and worm mechanism, roadblock body and hollow, and roadblock body is connected pedestal inner bottom part by leading screw with turbine rotation successively; Worm screw connects the output shaft of roadblock drive motor.The setting of turbine can be avoided the moment starting rising at control roadblock body or decline, causing damage because load is comparatively large to roadblock drive motor.Concrete, the screw lower end of leading screw is fixedly connected with turboshaft, and turbine rotation connects pedestal; The screw mandrel top of leading screw connects roadblock body; Roadblock body is also provided with manual handle, and manual handle is fixedly connected on the top of leading screw screw mandrel.Road-block mechanism of the present invention can be embedded in underground, pedestal top flushes with ground, when roadblock drive motor drives turbine rotation, namely turboshaft drives screw to rotate, the rotation of screw can make screw mandrel rise in screw or decline, and then drive the roadblock body of the screw mandrel that is connected to rise or decline, realize the object that vehicle is let pass or stopped.A roadblock is patrolled and examined in station and can be laid two or more road-block mechanisms side by side.Signal can be sent by host computer and control roadblock lifting, also can patrol and examine station staff by roadblock and inquire that vehicular traffic is tested information and controlled in real time; Also by arranging point time, point section controls, can arrange roadblock rise at student's concentrative time interval of finishing class, no thoroughfare for vehicles.
In the present invention, the slave computer of respectively patrolling and examining in station adopts single-chip microcomputer; Entrance patrols and examines station and each roadblock is patrolled and examined in station and is also respectively equipped with 485 transceivers; Each slave computer with form LAN (Local Area Network) by RS485 link between host computer and be connected and communicate.The preferred model W77E58 single-chip microcomputer of single-chip microcomputer, in fact quick 8051 compatible controllers, outstanding characteristic has two enhanced serial ports, and one of them serial ports can be connected with radio-frequency identification reader, and another serial ports is connected with 485 transceivers.485 transceivers can adopt existing MAX487 transceiver.Building LAN based on RS485 is prior art.Radio-frequency identification reader also can adopt existing product.
Controller in roadblock control module adopts PLC; PLC is made up of major loop and control loop the driving circuit of roadblock drive motor, and major loop is directly connected with roadblock drive motor, can be controlled the lifting of roadblock by the control knob on control panel; Control loop can receive the lifting trigger pip that slave computer sends.The input end of controller comprises rising signals input end and dropping signal input end, and the output terminal of slave computer comprises rising signals output terminal and dropping signal output terminal; Control output circuit and comprise rising pilot relay and decline pilot relay; Rising pilot relay the coil two ends of decline pilot relay be connected to direct supply and slave computer rising signals output terminal between dropping signal output terminal; Rising pilot relay the normally opened contact of decline pilot relay be serially connected in respectively direct supply and controller rising signals input end between dropping signal input end; Controller controls the forward or reverse of roadblock drive motor according to the rising signals received or dropping signal, thus controls rising or the decline of roadblock body.
Rising pilot relay the coil of decline pilot relay and slave computer rising signals output terminal be connected to triode between dropping signal output terminal, the grounded emitter of triode, the rising signals output terminal of slave computer the base stage of dropping signal output terminal connecting triode respectively, the collector of triode connect rising pilot relay the coil of decline pilot relay.When slave computer sends rising signals, then the coil of the pilot relay that rises obtains electric, and normally closed contact closes,
Beneficial effect of the present invention is: utilize system of the present invention to realize, in campus zones of different, particularly safety and security classification require higher region, roadblock is set respectively and patrols and examines station, station is patrolled and examined and each roadblock is patrolled and examined station and carried out data interaction respectively and between host computer due to entrance, therefore vehicle is from after entering campus, it both unified store and management by host computer by authority.When vehicle is about to patrol and examine station by certain roadblock, host computer can patrol and examine the position at station according to the roadblock sending vehicle authorization information, and vehicle to be verified by authority, judge that current roadblock is patrolled and examined station and let pass the need of to vehicle.Patrol and examine station for all roadblocks, host computer all can carry out unified management, easily realizes the difference management and control to inside, campus Multiple Sections vehicle, and is no longer only the simple management of gateway, be conducive to the safety ensureing road and particular place in campus.
Accompanying drawing explanation
Figure 1 shows that present system forms schematic diagram;
Figure 2 shows that host computer and respectively patrol and examine syndeton schematic diagram of standing;
Figure 3 shows that entrance patrols and examines station or roadblock patrols and examines stop barrier control module structural representation;
Figure 4 shows that controller and slave computer circuit connection diagram;
Figure 5 shows that controller PLC driving circuit principle structural representation;
Figure 6 shows that road-block mechanism structural representation.
Embodiment
Further illustrate below in conjunction with the drawings and specific embodiments.
Composition graphs 1 and Fig. 2, intelligent controllable type campus of the present invention vehicle safety barrier system, comprise host computer, the entrance being arranged at campus entrance patrols and examines station, more than 1 roadblock being arranged at inside, campus patrols and examines station, and is used for being positioned over the vehicle-mounted rf terminal entered in the vehicle in campus.
Entrance patrols and examines station and each roadblock is patrolled and examined in station and is respectively equipped with slave computer, radio-frequency identification reader, road-block mechanism, roadblock control module and 485 transceivers; Each slave computer is connected with the LAN (Local Area Network) consisted of RS485 link between host computer and communicates, and is provided with terminal build-out resistor R in RS485 link; Entrance patrols and examines station and each roadblock is patrolled and examined in station, radio-frequency identification reader identification by way of vehicle in the information of vehicle-mounted rf terminal, the output terminal of radio-frequency identification reader connects the input end of corresponding slave computer respectively.
Above-mentioned vehicle-mounted rf terminal adopts existing radio-frequency card, can store the vehicle-related information that can be sent by radiofrequency signal, as vehicle model, classification, access entitlements etc. in radio-frequency card.Patrol and examine station when vehicle from campus entrance to enter, namely the radio-frequency identification reader that entrance patrols and examines station sends inquiry message by launching radio frequency to vehicle to be entered, as vehicle-mounted rf terminal existing on vehicle, then can to radio-frequency (RF) identification (RFID) reader feedback vehicle-related information; If vehicle is for enter campus first, then can provide vehicle-mounted rf terminal by managerial personnel to it, and the relevant information of corresponding vehicle is inputted in vehicle-mounted rf terminal, back up in host computer simultaneously.Access entitlements can be arranged according to the demand of vehicle to be entered, then vehicle is only allowed through the indivedual roadblocks corresponding with by authority and patrols and examines station.
After vehicle enters campus, when passing by certain roadblock and patrolling and examining station, the radio-frequency identification reader that this roadblock patrols and examines station can obtain the relevant information of vehicle, vehicle-related information is sent to host computer by LAN (Local Area Network) by slave computer, host computer is by patrolling and examining station address by authority information with the current roadblock carrying out data interaction and mate in vehicle-related information, thus judge whether to let pass, and then control by slave computer road-block mechanism that corresponding roadblock patrols and examines station and vehicle let pass or stops.
Composition graphs 2 and Fig. 3, in the present invention, the slave computer of respectively patrolling and examining in station adopts single-chip microcomputer; The preferred model W77E58 single-chip microcomputer of single-chip microcomputer, in fact quick 8051 compatible controllers, outstanding characteristic has two enhanced serial ports, and one of them serial ports can be connected with radio-frequency identification reader, and another serial ports is connected with 485 transceivers.485 transceivers can adopt existing MAX487 transceiver, and MAX487 is the miniwatt transceiver being exclusively used in RS485 bus, and it adopts 8 pin DIP/SO to encapsulate, and include a driver and a transmitter.Its driver adopts the design of limit slope, electromagnetic interference (EMI) can be dropped to minimum like this, and can reduce because the impact of generation is not mated in cable cut, therefore can the free from error transmission data of speed of 250kb/s.Building LAN based on RS485 is prior art.Radio frequency discrimination RFID reader adopts Shenzhen D-link to reach the FC-201/SP wireless data transmission module of company.FC-201/SP wireless data transmission module is a kind of short range data transmission product, and carrier frequency is 433MHz, is widely used in the fields such as Wireless Data Transmission, collection, control.Utilize the P1.4 pin of W77E58 controller as its reset signal.
Roadblock control module comprises controller, controls output circuit and roadblock drive motor; Slave computer, by controlling output circuit connection control device, has sent roadblock control signal, and controller controls the operation of roadblock drive motor according to roadblock control signal, switches between open channel and closing passage state to drive road-block mechanism.
As shown in Figure 4, the controller in roadblock control module of the present invention adopts PLC; PLC is made up of major loop and control loop the driving circuit of roadblock drive motor, and major loop is directly connected with roadblock drive motor, can be controlled the lifting of roadblock by the control knob on control panel; Control loop can receive the lifting trigger pip that slave computer sends.The input end of controller comprises rising signals input end and dropping signal input end, and the output terminal of slave computer comprises rising signals output terminal and dropping signal output terminal; Control output circuit and comprise rising pilot relay and decline pilot relay; Rising pilot relay the coil two ends of decline pilot relay be connected to direct supply and slave computer rising signals output terminal between dropping signal output terminal; Rising pilot relay the normally opened contact of decline pilot relay be serially connected in direct supply and controller rising signals input end between dropping signal input end;
The coil of rising pilot relay and decline pilot relay and the rising signals output terminal of slave computer and dropping signal output terminal respectively between be connected with triode, the grounded emitter of triode, the base stage of the rising signals output terminal of slave computer and dropping signal output terminal difference connecting triode, the collector of triode connects the coil of rising pilot relay and decline pilot relay.
When slave computer sends rising signals, the coil of pilot relay of then rising obtains electric, and normally opened contact closes, and namely the rising control input end of controller PLC is triggered, namely controller controls roadblock drive motor by driving circuit and rotates forward, and makes roadblock body block vehicle to be passed through.When slave computer sends dropping signal, then the coil of the pilot relay that declines obtains electric, and normally opened contact closes, the decline control input end of controller PLC is triggered, then namely controller controls the reversion of roadblock drive motor by driving circuit, and roadblock body is declined, for vehicle is let pass.
Meanwhile, with reference to figure 5, driving circuit section of the present invention also comprises connection PLC, and is arranged at proximity switch VT1, the VT2 on road-block mechanism, limit switch SQ1, SQ2, and hand control switch SB1, SB2.Vehicle close to time, as slave computer receive roadblock control signal that host computer sends for rising roadblock time, PLC receives proximity switch VT1 signal, namely controls roadblock body and rises, and meets position, ceiling SQ1 then stop rising when roadblock body; When vehicle enters, then PLC receives proximity switch VT2 vehicle disappearance of signal, and controller controls roadblock body to start to decline, and meets lower limit position SQ2 and then stops.Hand control switch SB1, SB2 facilitate Non-follow control roadblock to be elevated, and rising, pressing SB2 roadblock and falling as pressed SB1 roadblock.Managerial personnel also can pass through cutting system power control switch SB3, to be transformed into Mechanical course, manually to rise or fall roadblock, also can ensure the normal use of roadblock during system blackout.Relay K M3 and KM4 is the relay that controller PLC controls the rotating of roadblock drive motor respectively.The driving circuit of PLC can utilize existing hardware circuit engineering to realize.
As shown in Figure 6, road-block mechanism of the present invention comprises the pedestal 1 of worm-and-wheel gear, roadblock body 2 and hollow, and roadblock body 2 is rotationally connected pedestal 1 inner bottom part by leading screw and turbine 9 successively; Worm screw 10 connects the output shaft of roadblock drive motor.The setting of turbine and worm mechanism can be avoided the moment starting rising at control roadblock body or decline, causing damage because load is comparatively large to roadblock drive motor.Pedestal 1 inside of hollow can be elevated direction according to roadblock body and arrange gathering sill 4, and the sidewall of roadblock body edge and gathering sill 4 is rolled by directional wheel 3 and is connected.Screw 6 lower end of leading screw to be connected turboshaft 8 by drive link 7, and then is rotationally connected pedestal 1, and screw mandrel 5 top of leading screw connects roadblock body 2; Roadblock body 2 is also provided with manual handle 11, and manual handle 11 is installed in the draw-in groove 13 on roadblock body 2 top by switching pin 12, and is connected with screw mandrel 5 top and is fixedly connected on the top of leading screw screw mandrel.Road-block mechanism of the present invention can be embedded in underground, pedestal top flushes with ground, when roadblock drive motor drives turbine 9 to rotate by worm screw 10, namely turboshaft 8 drives screw 6 to rotate by drive link 7, the rotation of screw 6 can make screw mandrel 5 rise in screw 6 or decline, and then drive the roadblock body 2 of the screw mandrel 5 that is connected to rise or decline, realize the object that vehicle is let pass or stopped.A roadblock is patrolled and examined in station and can be laid two or more road-block mechanisms side by side.Signal can be sent by the same management of host computer and control roadblock lifting, also can patrol and examine station staff by roadblock and inquire that vehicular traffic information controls in real time; Also by arranging point time, point section controls, can arrange roadblock rise at student's concentrative time interval of finishing class, no thoroughfare for vehicles.Easily can realize the difference management and control to inside, campus Multiple Sections vehicle, and be no longer only the simple management of gateway, be conducive to the safety ensureing road and particular place in campus.
Claims (6)
1. an intelligent controllable type campus vehicle safety barrier system, it is characterized in that, comprise host computer, the entrance being arranged at campus entrance patrols and examines station, and more than 1 roadblock being arranged at inside, campus patrols and examines station, and vehicle-mounted rf terminal;
Entrance patrols and examines station and each roadblock is patrolled and examined in station and is respectively equipped with slave computer, radio-frequency identification reader, road-block mechanism and roadblock control module; Each slave computer is communicated with being connected by LAN (Local Area Network) between host computer; Entrance patrols and examines station and each roadblock is patrolled and examined in station, radio-frequency identification reader identification by way of vehicle in the information of vehicle-mounted rf terminal, the output terminal of radio-frequency identification reader connects the input end of corresponding slave computer respectively;
Roadblock control module comprises control output circuit, controller and roadblock drive motor; The output terminal of slave computer is by controlling the input end of output circuit connection control device, and controller controls the operation of roadblock drive motor; The output terminal of roadblock drive motor connects road-block mechanism, switches between open channel and closing passage state to drive road-block mechanism.
2. intelligent controllable type campus according to claim 1 vehicle safety barrier system, is characterized in that, described road-block mechanism comprises the pedestal of road turbine and worm mechanism, roadblock body and hollow, and roadblock body is connected pedestal inner bottom part by leading screw with turbine rotation successively; Worm screw connects the output shaft of roadblock drive motor.
3. intelligent controllable type campus according to claim 2 vehicle safety barrier system, it is characterized in that, the screw lower end of leading screw is fixedly connected with turboshaft, and turbine rotation connects pedestal; The screw mandrel top of leading screw connects roadblock body; Roadblock body is also provided with manual handle, and manual handle is fixedly connected on the top of leading screw screw mandrel.
4. intelligent controllable type campus according to claim 1 and 2 vehicle safety barrier system, is characterized in that, slave computer adopts single-chip microcomputer; Entrance patrols and examines station and each roadblock is patrolled and examined in station and is also respectively equipped with 485 transceivers; Each slave computer with form LAN (Local Area Network) by RS485 link between host computer and be connected and communicate.
5. intelligent controllable type campus according to claim 1 and 2 vehicle safety barrier system, is characterized in that, the controller in roadblock control module adopts PLC; The input end of controller comprises rising signals input end and dropping signal input end, and the output terminal of slave computer comprises rising signals output terminal and dropping signal output terminal; Control output circuit and comprise rising pilot relay and decline pilot relay; The coil two ends of rising pilot relay are connected between the rising signals output terminal of direct supply and slave computer; The normally opened contact of rising pilot relay is serially connected between the rising signals input end of direct supply and controller; The coil two ends of decline pilot relay are connected between the dropping signal output terminal of direct supply and slave computer; The normally opened contact of decline pilot relay is serially connected between the dropping signal input end of direct supply and controller respectively;
Controller controls the forward or reverse of roadblock drive motor according to the rising signals received or dropping signal, thus controls rising or the decline of roadblock body.
6. intelligent controllable type campus according to claim 5 vehicle safety barrier system, it is characterized in that, between the coil of rising pilot relay and the rising signals output terminal of slave computer, and between the dropping signal output terminal of the coil of decline pilot relay and slave computer, be connected to triode, the grounded emitter of triode; The rising signals output terminal of slave computer connects the base stage of corresponding triode, and the collector of triode connects the coil of rising pilot relay; The dropping signal output terminal of slave computer connects the base stage of corresponding triode, and the collector of triode connects the coil of decline pilot relay.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410075908.9A CN103871134B (en) | 2014-03-04 | 2014-03-04 | Intelligent controllable campus vehicle safety roadblock system |
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| CN201410075908.9A CN103871134B (en) | 2014-03-04 | 2014-03-04 | Intelligent controllable campus vehicle safety roadblock system |
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| CN103871134A CN103871134A (en) | 2014-06-18 |
| CN103871134B true CN103871134B (en) | 2016-02-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106300560A (en) * | 2016-10-20 | 2017-01-04 | 钦州学院 | A kind of charging system of electric powercar based on PLC |
| CN106817417B (en) * | 2017-01-19 | 2019-12-20 | 沈阳保勒开美科技开发有限公司 | Regional security prevention and control system based on Internet of things and security cloud |
| CN108278932B (en) * | 2018-03-09 | 2020-03-17 | 空间防务技术（深圳）有限公司 | Electromagnetic vehicle forced parking system and method |
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Effective date of registration: 20201201 Address after: 215400 Taicang Economic Development Zone, Jiangsu, Beijing West Road, No. 6, No. Patentee after: SUZHOU SELLING AUTOMATION TECHNOLOGY Co.,Ltd. Address before: Nanjing City, Jiangsu province 210046 City Xianlin University No. 99 Patentee before: Nanjing Vocational College of Information Technology |
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