CN103871134A - Intelligent controllable campus vehicle safety roadblock system - Google Patents
Intelligent controllable campus vehicle safety roadblock system Download PDFInfo
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- CN103871134A CN103871134A CN201410075908.9A CN201410075908A CN103871134A CN 103871134 A CN103871134 A CN 103871134A CN 201410075908 A CN201410075908 A CN 201410075908A CN 103871134 A CN103871134 A CN 103871134A
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Abstract
The invention discloses an intelligent controllable campus vehicle safety roadblock system which comprises an upper computer, a campus entrance patrol station, roadblock patrol stations and vehicle-mounted radio frequency (RF) terminals, wherein all the patrol stations are respectively provided with a lower computer, a radio frequency identification (RFID) reader, a roadblock mechanism and a roadblock control module; the lower computers are respectively connected with the upper computer for communication by a local area network; each roadblock control module comprises a controller, a control output circuit and a roadblock driving motor; the RFID readers are used for identifying information of the vehicle-mounted RF terminals in passing vehicles and transmitting the information into the lower computers; each lower computer is used for sending control information into the controller by the corresponding control output circuit according to the information of the vehicle, so that whether the roadblock mechanisms block the vehicles or not can be controlled by the controllers through the roadblock driving motors. The intelligent controllable campus vehicle safety roadblock system can be used for carrying out all-round recognition and management on the vehicles entering a campus by an RFID wireless communication technique, so that the safety of special areas and roads in the campus can be effectively guaranteed.
Description
Technical field
The present invention relates to REID field, particularly a kind of intelligent controllable type campus vehicle safety barrier system.
Background technology
Along with popularizing of vehicle, the vehicle in turnover campus is more and more, need to carry out orderly management and can ensure personnel's safety in the school.Generally only can manually register with entrance guard for the vehicle in turnover campus at present, workload is larger, and the management entering behind campus for vehicle is also difficult to carry out, and needs to drop into larger manpower, police strength, the road safety in cannot 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, identified and managed the vehicle in turnover campus by radio signals, ensure the road safety in campus.
The technical scheme that the present invention takes is specially: a kind of intelligent controllable type campus vehicle safety barrier system, comprise host computer, and the entrance that is arranged at campus entrance is patrolled and examined station, and 1 roadblock that is arranged at above inside, campus is patrolled and examined station, and vehicle-mounted rf terminal;
Entrance is patrolled and examined station and each roadblock and is patrolled and examined and in station, be respectively equipped with slave computer, radio-frequency identification reader, road-block mechanism and roadblock control module; Between each slave computer and host computer, be connected communication by LAN (Local Area Network); Entrance is patrolled and examined station and each roadblock is patrolled and examined in station, radio-frequency identification reader identify by way of vehicle in the information of vehicle-mounted rf terminal, the output terminal of radio-frequency identification reader connects respectively the input end of corresponding slave computer;
Roadblock control module comprises control output circuit, controller and roadblock drive motor; The output terminal of slave computer connects the input end of controller, the operation of controller control roadblock drive motor by controlling output circuit; The output terminal of roadblock drive motor connects road-block mechanism, to drive road-block mechanism to switch between open channel and closing passage state.
The present invention is in the time of application, and vehicle-mounted rf terminal can adopt existing radio-frequency card, in radio-frequency card, can store the vehicle-related information that can send by radiofrequency signal, as vehicle model, classification, access entitlements etc.Patrolling and examining station when vehicle from campus entrance enters, the radio-frequency identification reader that entrance is patrolled and examined station sends inquiry message by transmitting radio frequency to vehicle to be entered, as existing vehicle-mounted rf terminal on vehicle, the vehicle-mounted rf terminal on vehicle can feed back vehicle-related information to radio-frequency identification reader; If vehicle is for entering first campus, can provide vehicle-mounted rf terminal to it by managerial personnel, and the relevant information of corresponding vehicle is inputted in vehicle-mounted rf terminal, vehicle-related information registration is backed up in host computer simultaneously.Described access entitlements can arrange according to the demand of vehicle to be entered, and only allow vehicle to patrol and examine station by indivedual roadblocks.When vehicle enters behind campus, patrol and examine when station when passing by certain roadblock, the radio-frequency identification reader that this roadblock is patrolled and examined station can obtain the relevant information of vehicle, slave computer sends to host computer by vehicle-related information by LAN (Local Area Network), host computer is patrolled and examined the authority information that passes through in vehicle-related information station address with the current roadblock that carries out data interaction and is mated, thereby judge whether to let pass, and then the road-block mechanism of patrolling and examining station by the corresponding roadblock of slave computer control is let pass or stops vehicle.
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 successively with turbine rotation by leading screw; Worm screw connects the output shaft of roadblock drive motor.The setting of turbine can be avoided the moment that starts rising or decline controlling roadblock body, because load is compared with greatly roadblock drive motor being caused to damage.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; On roadblock body, be also provided with manual handle, 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, in the time that roadblock drive motor drives turbine rotation, turboshaft drives screw to rotate, the rotation of screw can make screw mandrel in screw, rise or decline, and then the roadblock body that drives the screw mandrel that is connected rises or declines, the object that realization is let pass or stopped vehicle.A roadblock is patrolled and examined in station and can be laid side by side two or more road-block mechanisms.Can be by the lifting of host computer transmitted signal control roadblock, also can patrol and examine station staff by roadblock and inquire that vehicular traffic tests information and control in real time; Also can divide time, point section to control by setting, roadblock can be set 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 is patrolled and examined station and each roadblock and is patrolled and examined and in station, be also respectively equipped with 485 transceivers; Between each slave computer and host computer, be connected communication by RS485 link composition LAN (Local Area Network).The preferred model W77E58 single-chip microcomputer of single-chip microcomputer, quick 8051 compatible controllers in fact, outstanding characteristic is to have 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 controller; PLC controller 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 control 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 is according to the rising signals receiving or the forward or reverse of dropping signal control roadblock drive motor, thus rising or the decline of control roadblock body.
Rising pilot relay the coil of decline pilot relay and the rising signals output terminal of slave computer be connected with respectively triode between dropping signal output terminal, the grounded emitter of triode, the rising signals output terminal of slave computer the respectively base stage of connecting triode of dropping signal output terminal, the collector of triode connect rising pilot relay the coil of decline pilot relay.When slave computer sends rising signals, the coil of the pilot relay that rises obtains electric, normally closed contact closure,
Beneficial effect of the present invention is: utilize system of the present invention to realize, in campus zones of different, the region that particularly safety and security classification are had relatively high expectations, roadblock is set respectively and patrols and examines station, due to entrance patrol and examine station and each roadblock is patrolled and examined station respectively and between host computer, carry out data interaction, therefore vehicle is from entering campus, it both unified store and management by host computer by authority.When vehicle is about to patrol and examine when station by certain roadblock, host computer can be patrolled and examined according to the roadblock of sending vehicle authorization information the position at station, and vehicle to be verified pass through authority, judge that current roadblock patrols and examines station and whether need vehicle to let pass.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, is conducive to ensure the safety of road and particular place in campus.
Accompanying drawing explanation
Figure 1 shows that system of the present invention forms schematic diagram;
Figure 2 shows that host computer and respectively patrol and examine station syndeton schematic diagram;
Figure 3 shows that entrance is patrolled and examined station or roadblock is patrolled and examined 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.
In conjunction with Fig. 1 and Fig. 2, intelligent controllable type of the present invention campus vehicle safety barrier system, comprises host computer, and the entrance that is arranged at campus entrance is patrolled and examined station, 1 roadblock that is arranged at above inside, campus is patrolled and examined station, and is used for being positioned over the vehicle-mounted rf terminal in the vehicle that enters campus.
Entrance is patrolled and examined station and each roadblock and is patrolled and examined and in station, be respectively equipped with slave computer, radio-frequency identification reader, road-block mechanism, roadblock control module and 485 transceivers; The LAN (Local Area Network) consisting of RS485 link between each slave computer and host computer is connected communication, is provided with terminal build-out resistor R in RS485 link; Entrance is patrolled and examined station and each roadblock is patrolled and examined in station, radio-frequency identification reader identify by way of vehicle in the information of vehicle-mounted rf terminal, the output terminal of radio-frequency identification reader connects respectively the input end of corresponding slave computer.
Above-mentioned vehicle-mounted rf terminal adopts existing radio-frequency card, in radio-frequency card, can store the vehicle-related information that can send by radiofrequency signal, as vehicle model, classification, access entitlements etc.Patrolling and examining station when vehicle from campus entrance enters, the radio-frequency identification reader that entrance is patrolled and examined station sends inquiry message by transmitting radio frequency to vehicle to be entered, as existing vehicle-mounted rf terminal on vehicle, can be to radio-frequency (RF) identification (RFID) reader feedback vehicle-related information; If vehicle is for entering first campus, can provide vehicle-mounted rf terminal to it by managerial personnel, and the relevant information of corresponding vehicle is inputted in vehicle-mounted rf terminal, back up in host computer simultaneously.Access entitlements can arrange according to the demand of vehicle to be entered, and vehicle is only allowed through and patrols and examines station by the corresponding indivedual roadblocks of authority.
When vehicle enters behind campus, patrol and examine when station when passing by certain roadblock, the radio-frequency identification reader that this roadblock is patrolled and examined station can obtain the relevant information of vehicle, slave computer sends to host computer by vehicle-related information by LAN (Local Area Network), host computer is patrolled and examined the authority information that passes through in vehicle-related information station address with the current roadblock that carries out data interaction and is mated, thereby judge whether to let pass, and then the road-block mechanism of patrolling and examining station by the corresponding roadblock of slave computer control is let pass or stops vehicle.
In conjunction with Fig. 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, quick 8051 compatible controllers in fact, outstanding characteristic is to have 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 that is exclusively used in RS485 bus, and it adopts 8 pin DIP/SO encapsulation, includes 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 not mate because of cable cut the impact of generation, the free from error transmission data of speed that therefore can 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 P 1. 4 pins of W77E58 controller as its reset signal.
Roadblock control module comprises controller, controls output circuit and roadblock drive motor; Slave computer connects controller by controlling output circuit, has sent roadblock control signal, and controller is according to the operation of roadblock control signal control roadblock drive motor, to drive road-block mechanism to switch between open channel and closing passage state.
As shown in Figure 4, the controller in roadblock control module of the present invention adopts PLC controller; PLC controller 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 control 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 rising signals output terminal of the coil of rising pilot relay and decline pilot relay and slave computer and dropping signal output terminal are connected with triode between respectively, the grounded emitter of triode, the rising signals output terminal of slave computer and dropping signal output terminal be the base stage of connecting triode respectively, and 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 rising obtains electric, normally opened contact closure, and the rising control input end of controller PLC is triggered, controller by driving circuit control roadblock drive motor forward, makes roadblock body block vehicle to be passed through.When slave computer sends dropping signal, the coil of the pilot relay that declines obtains electric, normally opened contact closure, the decline control input end of controller PLC is triggered, controller, by the reversion of driving circuit control roadblock drive motor, declines roadblock body, for vehicle is let pass.
Meanwhile, with reference to figure 5, driving circuit section of the present invention also comprises connection PLC controller, and is arranged at approach switch VT1, the VT2 on road-block mechanism, limit switch SQ1, SQ2, and hand control switch SB1, SB2.When vehicle approach, receive that as slave computer the roadblock control signal that host computer sends is that while rising roadblock, PLC controller receives approach switch VT1 signal, control roadblock body and rise, meet position, ceiling SQ1 when roadblock body and stop rising; When vehicle enters, PLC receives approach switch VT2 vehicle disappearance of signal, and controller control roadblock body starts to decline, and meets lower limit position SQ2 and stops.Hand control switch SB1, SB2 are convenient manually controls roadblock lifting, as presses the rise of SB1 roadblock, presses SB2 roadblock and falls.Managerial personnel also can pass through cutting system power control switch SB3, control to be transformed into machinery, manually rise or fall roadblock, the normal use of roadblock also can guarantee system blackout time.Relay K M3 and KM4 are the relay that controller PLC controls respectively the rotating of roadblock drive motor.The driving circuit of PLC controller 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 that starts rising or decline controlling roadblock body, because load is compared with greatly roadblock drive motor being caused to damage.Pedestal 1 inside of hollow can arrange gathering sill 4 according to roadblock body lifting direction, and roadblock body edge is rolled and is connected by directional wheel 3 with the sidewall of gathering sill 4.Screw 6 lower ends of leading screw are by drive link 7 turboshaft 8 that is connected, and then are rotationally connected pedestal 1, and screw mandrel 5 tops of leading screw connect roadblock bodies 2; On roadblock body 2, be also provided with manual handle 11, manual handle 11 is sold 12 by switching and is installed in the draw-in groove 13 on roadblock body 2 tops, and is connected and is fixedly connected on the top of leading screw screw mandrel with screw mandrel 5 tops.Road-block mechanism of the present invention can be embedded in underground, pedestal top flushes with ground, in the time that roadblock drive motor drives turbine 9 to rotate by worm screw 10, turboshaft 8 drives screw 6 to rotate by drive link 7, the rotation of screw 6 can make screw mandrel 5 in screw 6, rise 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 side by side two or more road-block mechanisms.Can be by the lifting of the same management transmitted signal of host computer control roadblock, also can patrol and examine station staff by roadblock and inquire that vehicular traffic information controls in real time; Also can divide time, point section to control by setting, roadblock can be set rise at student's concentrative time interval of finishing class, no thoroughfare for vehicles.Can easily 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 ensure the safety of road and particular place in campus.
Claims (6)
1. an intelligent controllable type campus vehicle safety barrier system, is characterized in that, comprises host computer, and the entrance that is arranged at campus entrance is patrolled and examined station, and 1 roadblock that is arranged at above inside, campus is patrolled and examined station, and vehicle-mounted rf terminal;
Entrance is patrolled and examined station and each roadblock and is patrolled and examined and in station, be respectively equipped with slave computer, radio-frequency identification reader, road-block mechanism and roadblock control module; Between each slave computer and host computer, be connected communication by LAN (Local Area Network); Entrance is patrolled and examined station and each roadblock is patrolled and examined in station, radio-frequency identification reader identify by way of vehicle in the information of vehicle-mounted rf terminal, the output terminal of radio-frequency identification reader connects respectively the input end of corresponding slave computer;
Roadblock control module comprises control output circuit, controller and roadblock drive motor; The output terminal of slave computer connects the input end of controller, the operation of controller control roadblock drive motor by controlling output circuit; The output terminal of roadblock drive motor connects road-block mechanism, to drive road-block mechanism to switch between open channel and closing passage state.
2. intelligent controllable type according to claim 1 campus 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 successively with turbine rotation by leading screw; Worm screw connects the output shaft of roadblock drive motor.
3. intelligent controllable type according to claim 2 campus vehicle safety barrier system, 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; On roadblock body, be also provided with manual handle, manual handle is fixedly connected on the top of leading screw screw mandrel.
4. intelligent controllable type according to claim 1 and 2 campus vehicle safety barrier system, is characterized in that, slave computer adopts single-chip microcomputer; Entrance is patrolled and examined station and each roadblock and is patrolled and examined and in station, be also respectively equipped with 485 transceivers; Between each slave computer and host computer, be connected communication by RS485 link composition LAN (Local Area Network).
5. intelligent controllable type according to claim 1 and 2 campus vehicle safety barrier system, is characterized in that, the controller in roadblock control module adopts PLC controller; 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 is according to the rising signals receiving or the forward or reverse of dropping signal control roadblock drive motor, thus rising or the decline of control roadblock body.
6. intelligent controllable type according to claim 5 campus vehicle safety barrier system, it is characterized in that, rising pilot relay the coil of decline pilot relay and the rising signals output terminal of slave computer be connected with respectively triode between dropping signal output terminal, the grounded emitter of triode, the rising signals output terminal of slave computer the respectively base stage of connecting triode of dropping signal output terminal, the collector of triode connect rising pilot relay the coil of decline pilot relay.
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| CN201410075908.9A CN103871134B (en) | 2014-03-04 | 2014-03-04 | A kind of intelligent controllable type campus vehicle safety barrier system |
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| CN201410075908.9A CN103871134B (en) | 2014-03-04 | 2014-03-04 | A kind of intelligent controllable type campus vehicle safety barrier system |
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| CN103871134B CN103871134B (en) | 2016-02-17 |
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| CN103871134B (en) | 2016-02-17 |
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