CN206427062U - A kind of level crossing traffic surveillance and control system structure - Google Patents
A kind of level crossing traffic surveillance and control system structure Download PDFInfo
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- CN206427062U CN206427062U CN201621370206.4U CN201621370206U CN206427062U CN 206427062 U CN206427062 U CN 206427062U CN 201621370206 U CN201621370206 U CN 201621370206U CN 206427062 U CN206427062 U CN 206427062U
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- control system
- computer control
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- level crossing
- road junction
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Abstract
The utility model discloses a kind of level crossing traffic surveillance and control system structure, including remote monitoring computer, local Monitor Computer Control System and lower computer control system；The Monitor Computer Control System connects lower computer control system；The Monitor Computer Control System passes through network connection remote monitoring computer.The characteristics of level crossing traffic surveillance and control system structure of the present utility model has multi-mode operation, Automated condtrol, security and stability height and low maintenance cost, great role is played in terms of can occurring reducing traffic accident and improve conevying efficiency.Current carry out early warning and control that can in real time to road junction pedestrian and vehicle.
Description
Technical field
The utility model is related to traffic surveillance and control system, and in particular to a kind of level crossing traffic based on KingView and PLC
Monitoring system structure.
Background technology
At present, in railway traffic system, level crossing generally existing.Wherein small part is Attended mode road junction, is mostly
Unattended road junction, these road junctions all lack perfect ATC system, and great safety is brought to road junction traffic
Hidden danger.
Because railroad train constantly raises speed, in national main busy trunk lines, although by the highway of many big flows, railway
Usual friendship is transformed into grade separation, eliminates potential safety hazard.But because China's road is complicated, there are still many level crossings.In early days
Railway grade crossing indicate provided with simple caution board and road junction, or set caretaker at busy road junction, utilize
Mechanical railing or rack stake or fence gate are protected, but level crossing accident casualty is more.In road junction at China 32873, nothing
People guard road junction accounts for 84%, in someone guard road junction, installs grade crossing signal and accounts for 60% close to advance notice, still there is 40%
Road junction is without any safeguard.Because safety control system environmental suitability is poor, antijamming capability is weak, in addition because of passenger and freight train speed
Most diverse is spent, the phenomenon of closing for a long time often occurs, and then causes highway communication to block, this situation causes level crossing
It is always the major safety risks of road traffic.
The existing level crossing control mode of in the market：Manually control and automatically control.External automatic control system compared with into
It is ripe, for example：Japan has just designed early in 1987 and has successfully been mounted with the alarm of level crossing microelectronics and safeguard at 6
(MAPLE), microcomputer is housed inside MAPLE, the details of Train Approaching can be provided to passerby.U.S. Harmon
The Hxp-3 type series of products of Industies companies, Hxp-3 is the third generation product that the said firm's microcomputer controls crossing warning systems,
Single line, two-wire, standby, the non-various composition forms such as standby are had been used to, it has the timing alarm control of frequency synthesis generator
Function processed, complete data recording capability and other various features.China railways department and scientific research institution also have developed in spy
Determine the prior-warning device of the different purposes of occasion, for example：LJB Train Approaching security protection warning systems；The type railways of TDZB- I are without humanity
Mouth intelligent alarm system；JY type Train Approaching phonetic warning machines；Set up safety protection region.But existing railway control system is also present
Many defects, for example：Automaticity is not high, and protection early warning is single, and control system volume is big, Operation and maintenance difficulty etc..
Therefore need development is a kind of can play the Automatic monitoring systems of integrated protection forewarning function, energy for level crossing
Current carry out early warning and control to road junction pedestrian and vehicle in real time.Current railway development needs are met, China's iron is improved constantly
Road conevying efficiency, reduces the incidence of level crossing accident.
The content of the invention
The utility model is in view of the above-mentioned problems, provide a kind of level crossing traffic surveillance and control system structure, including remote monitoring
Computer, local Monitor Computer Control System and lower computer control system；The Monitor Computer Control System connection slave computer control system
System；The Monitor Computer Control System passes through network connection remote monitoring computer；
Further, the Monitor Computer Control System includes PLC；
Further, the lower computer control system includes：Press detection sensor, automatic operated barrier device, signal lamp
Device, siren device and distance display device；The press detection sensor, automatic operated barrier device, signal lamp device, alarm
Device device and distance display device connect PLC respectively.
Further, the automatic operated barrier device lifts contactor provided with roadway gate.
Further, the signal lamp device is provided with signal lamp conversion contactor.
Further, the siren device is provided with siren contactor.
Further, the distance display device is provided with distance and shows contactor and electrical screen, and distance shows contactor
Connect electrical screen.
Advantage of the present utility model：
Level crossing traffic surveillance and control system structure of the present utility model is by remote monitoring computer, local ipc monitor system
System and the part of lower computer control system three are constituted.Slave computer is using PLC as control core, to road junction traffic warning mark and equipment
It control effectively, and dynamic link is set up with the Monitor Computer Control System and remote monitoring computer that are built by KingView, it is real
The function of existing local and remote monitoring crossing status.It is demonstrated experimentally that the system has multi-mode operation, Automated condtrol, safety
The characteristics of stability height and low maintenance cost, very your writing is played in terms of can occurring reducing traffic accident and improve conevying efficiency
With.Current carry out early warning and control that can in real time to road junction pedestrian and vehicle.Current railway development needs are met, me is improved constantly
State's rail transportation efficiency, reduces the incidence of level crossing accident.
In addition to objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to figure, the utility model is described in further detail.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing further understanding to of the present utility model, of the present utility model
Schematic description and description is used to explain the utility model, does not constitute to improper restriction of the present utility model.
Fig. 1 is the level crossing traffic surveillance and control system structural representation of the utility model embodiment；
Fig. 2 is that road junction control requires schematic diagram.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain this
Utility model, is not used to limit the utility model.
Rule is protected according to China railways level crossing, should be properly protected before train reaches road junction 2 minutes.By
It is 180km/h in all train F-Zeros by level crossing, then detects that the sensor for carrying out car is distributed in the S apart from road junction
Place：S=50m/s × 120s=6km.Distance detection sensor has 14, symmetrical, and one is arranged at interval of 1000m, wherein
4 sensors such as A, B, C, D simultaneously for railroad crossing protection device control.As shown in Fig. 2 when train drives into 6km detection zones,
Start crossing guard, with ensure safeguard procedures can before train reaches road junction 2 minutes it is in place.
With reference to Fig. 1, as shown in figure 1, a kind of level crossing traffic surveillance and control system structure, including remote monitoring computer, this
Ground Monitor Computer Control System and lower computer control system；The Monitor Computer Control System connects lower computer control system；On described
Position machine monitoring system passes through network connection remote monitoring computer；
The Monitor Computer Control System includes PLC；
The lower computer control system includes：Press detection sensor, automatic operated barrier device, signal lamp device, siren
Device and distance display device；The press detection sensor, automatic operated barrier device, signal lamp device, siren device and away from
PLC is connected respectively from display device.
The automatic operated barrier device lifts contactor provided with roadway gate.
The signal lamp device is provided with signal lamp conversion contactor.
The siren device is provided with siren contactor.
The distance display device is provided with distance and shows contactor and electrical screen, and distance shows contactor connection electrical screen.
PLC, as control core, is control effectively using programmable controller to road junction traffic warning mark and equipment；
Locally Monitor Computer Control System carries out foreground interface and background program design using configuration software, and by Web Publishing and remotely
Monitoring computer sets up dynamic link, forms the interactive mode locally with long-range monitoring simultaneously.
The control system has three kinds of control modes, i.e.,：Automatically control, control manually and remote control.Automatically controlling can be
The sensor signal that unattended road junction is arrived according to train triggers protector and realizes distance display；Control can be with manually
Each module is tested, failure is found in time and is handled, protector can be also operated manually in emergency situations；Remotely
Control can carry out remote real-time monitoring by network to crossing status.
Lower computer control system
System slave computer be used to effectively control crossing guard, while real time data is sent into host computer.When not having
Have train by when, road junction green light, roadway gate be in lifting status, pedestrian, vehicle normal pass；When pressure sensor is detected
When train arrives, start audible-visual annunciator immediately, and start to put down railing, red eye is lighted, electrical screen display distance；When
When pressure sensor detects train and sails out of signal, it is automatic cancel alarming simultaneously rises railing, greensignal light is lighted.
Hardware selection
In the selection of programmable controller, mainly from cost is low, function enough angularly considers, according to the control of the system
It is required that, the I/O of required programmable controller points are 14 points of input, export at 10 points, it is considered to appropriate surplus, it is further added by 10%~
20% expansible, final choice mitsubishi FX2N -48MR-001 programmable controllers.
In the type selecting of external detection safeguard, mainly from stability it is high, using extensively angularly considering, unit type and
Feature is as shown in table 1.
Table 1 detects safeguard type selecting table
Programmable controller I/O is distributed and hardware connection
The input and output of detection and the control of the system are digital quantity, there is 14 digital input points, 10 numeral outputs
Point, according to the functional requirement of system, relevant configuration is carried out to the I/O of programmable controller.
The respective input mouthful of programmable controller is accessed in one end of the detection instruction element of system, the other end altogether,
Access COM ends.Control executive component to access the corresponding output port of programmable controller by contactor, complete corresponding control
Warning function processed.
Software for Design
Required according to control, system boot, complete parameter initialization.When train is introduced into road junction detection zone, road junction sound equipment
Stop, cross barrier at grade crossing highest order, road junction flash lamp be greensignal light；When train enters road junction detection zone, sensors A detection
Arrival car signal, analog reset switch X1 is pressed, and road junction sound equipment sounds, cross barrier at grade crossing starts automatic decline, road junction flash lamp and is
Red eye, electrical screen shows 6000m；During roadway gate decline, if also automobile or pedestrian does not pass through, anti-sticking is detected
Sensor E obtain signal, roadway gate stops declining, and after automobile or pedestrian thoroughly leave road junction, roadway gate continues to begin to decline, directly
Stop to touching after lower position switch, display distance is 5000m, 4000m, 3000m, 2000m, 1000m to electrical screen successively；When
After train is by road junction, electrical screen display distance is 0000m, and road junction detection sensor C or D are obtained after trailing edge triggering, electronics
Screen extinguishes, and after being delayed 5 seconds, road junction sound equipment stops, and road junction flash lamp is changed into green from red, and cross barrier at grade crossing is begun to ramp up, Zhi Daoshang
It is raised to after upper limit position switch triggering, roadway gate stops rising；After train thoroughly leaves grade crossing detection area, counter set, inspection
Survey carrys out car next time.
Monitor Computer Control System
Configuration software is a kind of universal data collection and monitoring software towards industrial automation, and it provides abundant prison
Function is controlled, the centralized Control of small automatic equipment can be not only completed, also can complete complicated by the multiple stage computers of internet
Large-scale distributed monitoring.Therefore the Monitor Computer Control System uses relatively broad KingView soft as monitoring using the country
Part.KingView uses Object-oriented Programming, user is conveniently set up graphical interfaces, can be used using real-time dataBase system
Family is not required to deep scene, so that it may obtain field data, and optimal control process improves the current safety in road junction, with strong adaptability, opened
Putting property is good, the advantages of be easy to extension, economy, short construction cycle.
Backstage is set
Data are exchanged by serial port between KingView and programmable controller, programmable controller is selected in KingView
After external equipment, just it can be handed over by the definition and corresponding serial port setting of I/O mouthfuls of host computer and programmable controller
Change data.
What is deposited in the data dictionary of KingView is the variable and system variable that application project is defined.Variable can be divided into
Basic class and the major class of specific type two, basic class can be divided into two kinds of memory variable and I/O variables.I/O variables be KingView with
The variable that external equipment is swapped, this data exchange is real-time, interactive, that is, in KingView system operation,
When changing I/O variate-values, the value just automatically writes external equipment program, when changing the value in external equipment program,
Variate-value in KingView can also change accordingly.Therefore host computer and slave computer need the data of interaction to be arranged to I/O
Variable, and the variable only used inside KingView, such as：Apart from the intermediate variable of calculating process, it is possible to be arranged to internal memory
Variable.
When carrying out communications setting, KingView will be configured with programmable controller, and both settings will be consistent.
In KingView, it is default value to double-click " COM3 " " communication overtime ", unless specifically indicated, need not typically be changed." communication party
Formula " refers to computer side serial communication mode, generally is RS-232.In " messaging parameter " column, selection equipment is corresponding
Baud rate be 9600, data bit be 7, verification type be that even parity check, stop position are 1.The parameter setting of programmable controller needs
It is configured by D8120 registers, the corresponding volume control word of above-mentioned communications setting is H0436.
Design and Web Publishing on foreground
Into after KingView development system, it is possible to picture in a unlimited number is set up for each engineering, on each picture
The inter-related either statically or dynamically Drawing Object of generation.During user's composition, the figure that can be provided as playing with building blocks using system
Shape object completes the generation of picture.Due to the picture of completion be all static state, it is necessary to pass through " animation chain using real-time data base
Connect " set up the pixel of picture and the corresponding relation of database variable.So, the data at road junction scene, such as railing landing, are indicated
Lamp etc., when they change, by I/O mouthfuls, will cause the change of variable in real-time data base.
Level crossing traffic surveillance and control system structure of the present utility model is by remote monitoring computer, local ipc monitor system
System and the part of lower computer control system three are constituted.Slave computer is using PLC as control core, to road junction traffic warning mark and equipment
It control effectively, and dynamic link is set up with the Monitor Computer Control System and remote monitoring computer that are built by KingView, it is real
The function of existing local and remote monitoring crossing status.It is demonstrated experimentally that the system has multi-mode operation, Automated condtrol, safety
The characteristics of stability height and low maintenance cost, very your writing is played in terms of can occurring reducing traffic accident and improve conevying efficiency
With.Current carry out early warning and control that can in real time to road junction pedestrian and vehicle.Current railway development needs are met, me is improved constantly
State's rail transportation efficiency, reduces the incidence of level crossing accident.
Preferred embodiment of the present utility model is the foregoing is only, it is all in this practicality not to limit the utility model
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (1)
1. a kind of level crossing traffic surveillance and control system structure, it is characterised in that supervised including remote monitoring computer, local host computer
Control system and lower computer control system；The Monitor Computer Control System connects lower computer control system；The ipc monitor system
System passes through network connection remote monitoring computer；
The Monitor Computer Control System includes PLC；
The lower computer control system includes：Press detection sensor, automatic operated barrier device, signal lamp device, siren device
And distance display device；The press detection sensor, automatic operated barrier device, signal lamp device, siren device and apart from aobvious
Showing device connects PLC respectively；
The automatic operated barrier device lifts contactor provided with roadway gate；
The signal lamp device is provided with signal lamp conversion contactor；
The siren device is provided with siren contactor；
The distance display device is provided with distance and shows contactor and electrical screen, and distance shows contactor connection electrical screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370206.4U CN206427062U (en) | 2016-12-14 | 2016-12-14 | A kind of level crossing traffic surveillance and control system structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621370206.4U CN206427062U (en) | 2016-12-14 | 2016-12-14 | A kind of level crossing traffic surveillance and control system structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206427062U true CN206427062U (en) | 2017-08-22 |
Family
ID=59587572
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621370206.4U Expired - Fee Related CN206427062U (en) | 2016-12-14 | 2016-12-14 | A kind of level crossing traffic surveillance and control system structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN206427062U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774753A (en) * | 2019-03-13 | 2019-05-21 | 郑州铁路职业技术学院 | A kind of railway automatic gearshift lever |
-
2016
- 2016-12-14 CN CN201621370206.4U patent/CN206427062U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109774753A (en) * | 2019-03-13 | 2019-05-21 | 郑州铁路职业技术学院 | A kind of railway automatic gearshift lever |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170822 Termination date: 20171214 |
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| CF01 | Termination of patent right due to non-payment of annual fee |