CN101515408A - Control device for displaying traffic flow signal at green wave band - Google Patents
Control device for displaying traffic flow signal at green wave band Download PDFInfo
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- CN101515408A CN101515408A CNA2009100941945A CN200910094194A CN101515408A CN 101515408 A CN101515408 A CN 101515408A CN A2009100941945 A CNA2009100941945 A CN A2009100941945A CN 200910094194 A CN200910094194 A CN 200910094194A CN 101515408 A CN101515408 A CN 101515408A
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Abstract
The invention relates to an intelligent green wave traffic signal control device, and belongs to the technical filed of traffic signal control. The control device is characterized in that the underground of a middle section lane of two junctions is provided with front ground induction coils and back ground induction coils with spacing between, the ground induction coils are connected with interfaces of a data processing computer loaded with green wave control coordinators through signal wires, the data processing computer is connected with a junction signal lamp control cabinet, and the signal lamp control cabinet is simultaneously connected to junction signal lamps and green wave traffic light display devices arranged along the lane. The display device is applicable to traffic control at any urban road section, a driver can adjust the vehicle speed according to own conditions with lower mental stress, the structure of the device is simple, and the manufacturing cost is low.
Description
Technical field
The present invention relates to the green ripple traffic-control unit of a kind of intelligence, belong to traffic signals control technology field.
Background technology
Present traffic control is to realize by the red and green signals lamp at crossing.Red light stops, and capable this of green light is the most basic traffic law that we follow.Along with being on the increase of vehicle, traffic congestion has become the most headachy something of modern society.All traffic pressures all concentrate on the crossing.For solving this difficult problem, green ripple control mode signal has appearred.But automobile can occur blocking by nothing when crossing the crossing in the ideal case; But also one road red light might appear.And the relation that is associated between the crossing is very complicated, any one little influence (for example pedestrian's jaywalk) will cause the confusion of green ripple signal controlling, this forces us to consider to adopt Intelligent Dynamic traffic signals control mode, run into green light when realizing most of automobile, improve road passage capability by the crossing.
Summary of the invention
Technical matters to be solved by this invention provides a kind of control device for displaying traffic flow signal at green wave band, be applicable to any road section traffic volume control in city, the driver can adjust the speed of a motor vehicle according to the situation of oneself, and stress is less, and device is simple in structure, cheap.
Solving the scheme that technical matters of the present invention adopts is: ground induction coil and back ground induction coil before the underground interval in track, stage casing, two crossings is provided with, ground induction coil connects the interface of the data handling machine that green ripple control coordinator is housed by signal wire, data handling machine is connected with the belisha beacon switch board again, the green ripple red and green signals lamp display device that the signal lamp switch board is connected to belisha beacon simultaneously and is provided with on the way along the track.
The technical scheme of invention also comprises: green ripple red and green signals lamp display device is contained on the rail post of road isolated column, and solar panel and accumulator and charge controller thereof also are housed on the rail post, and storage battery charge controller connects green ripple red and green signals lamp display device by lead.
Because the signal lamp switch board connects the signal wire length of green ripple red and green signals lamp display device may be long, therefore, again in this case, between signal lamp switch board and green ripple red and green signals lamp display device, also should be connected with signal amplifier, guarantee that track green ripple red and green signals lamp display device on the way can operate as normal.
Distance before of the present invention between ground induction coil and the back ground induction coil is 5m～10m; The rail post spacing of isolated column is 20m～30m, and the signal lamp in the green ripple red and green signals lamp display device is assembled on the rail post or by every 5m～10m spacing and arranges installation at isolated column; The set data handling machine in the set data handling machine in one crossing and other crossings links to each other by grid line.
Be in series with an audio-switch in the path of the electronic circuit of described green ripple red and green signals lamp display device, and the electronic switch that green ripple red and green signals lamp display device has adopted triode and relay to connect and compose, the normally closed and normally opened contact of relay is series at respectively in the path of signal lamp LED red light group and LED green light group.
Underground embedding 2 ground induction coils in track, stage casing, two crossings are measured number of vehicles and speed, and signal is imported computing machine, utilize program analysis, and the signal lamp switch board is write in result's output.So the signal lamp at crossing can dynamically be adjusted according to the situation of the place ahead wagon flow, run into green light when making most of automobile by the crossing, realize intelligent green ripple signal controlling, improve road passage capability.What the green ripple signal controlling of this intelligence was different with existing green ripple signal controlling is to have visualization function, promptly at the other red and green signals lamp that is provided with on the way of road.The red and green signals lamp is luminous with the form that flows on the way.The wagon flow that computer program calculates has determined the speed that the red and green signals lamp flows, the green wave band cycle is consistent with the crossing traffic lights cycle, the order of passing through between each crossing can be coordinated by green ripple control program, this program can be according to adjusting automatically under the wagon flow situation, the movement velocity of green ripple can be at the uniform velocity, also can be speed change.Can make continuous wagon flow become the formation wagon flow by the motion guidance of each green wave band; If fleet is disturbed, the fleet that also can enter green wave band by the motion guidance of speed change green wave band separates or combination, passes through the crossing with the efficient of the best.When automobile during in the green zone, press the movement velocity motion that green light flows, then can not have and wait for by the crossing green light; If in the automobile redlight district, press the movement velocity motion that red light flows, then will run into red light at the crossing.The driver just can know oneself whether can run into red light intuitively on the way like this, and the traffic pressure of crossing " point " is transferred on the highway section " line ", improves intersection capacity greatly.
The invention has the beneficial effects as follows:
Can alleviate the situation of present small and medium-sized cities traffic congestion greatly, the control of the traffic lights of particularly short distance multichannel mouth.The realization of the green ripple traffic signals of intelligence of the present invention control mode is a great advance by traffic lights for the control stand-by period only with respect to having now by the crossing.What the technical scheme " pre-formation no-wait traffic flow control image control system " of the present invention and patent documentation was different is: 1. pre-formation no-wait traffic flow control image control system is accurate formation, only be applicable to have six-lane above city traffic control, and the present invention is applicable to any highway section in city; 2. accurately formation can cause the driver to produce very big stress, and the driver can adjust according to the situation of oneself among the present invention, and signal lamp on the way only is a kind of prompting; The cost height of the control system of 3. accurately forming into columns does not have practicality, and the technical program is then invested little, cost is low, instant effect has been avoided the conventional method that road promotes capacity of road of passing through to widen, and the traffic capacity of existing road can be brought up near the limit.
Description of drawings
Fig. 1 is the main face synoptic diagram of overlooking of the present invention;
Fig. 2 is the scheme of installation of the green ripple red and green signals of the present invention lamp display device;
Fig. 3 is a system works schematic diagram of the present invention;
Fig. 4 is the circuit diagram of green ripple red and green signals lamp display device of the present invention.
In Fig. 1～4: 1. traffic lights, 2. signal Processing computing machine, 3. before ground induction coil, 4. ground induction coil after, 5. the green ripple indicating lamp device of solar LED, 6. green ripple indication traffic lights, 7. road isolated column, 8. solar panel, 9. accumulator and charge controller thereof, 10. rail post, 11. audio-switches, 12. signal amplifier, 13. grid lines.
Embodiment
The invention will be further described below in conjunction with accompanying drawing 1～4 and embodiment.
The installation of basic equipment: the realization principle of this intelligent green ripple traffic-control unit be between two crossings the medium position track underground at a distance of 10 meters embedding before ground induction coil 3 and back ground induction coil 4.The green ripple indicating lamp device 5 of solar LED is installed on the rail post 10 of road road isolated column 7 on the way, every about 20～30 meters, this device is installed, each road between the stream oriented device is isolated rail post 10 and is installed in parallel one group of green ripple indication traffic lights 6.The signal wire of the n road red and green signals lamp that the belisha beacon switch board picks out links to each other with n the green ripple indicating lamp device 5 of solar LED.
The course of work: preceding ground induction coil 3 and back ground induction coil 4 are transferred to traffic flow (position, vehicle number, speed) signal on the collection plate of signal Processing computing machine 2.Each bar one way access has one group of signal, has 8 groups for 4 such data one in crossing.8 groups of data are sent into signal Processing computing machine 2 and are handled on the data acquisition board, utilize the green ripple control coordinator that disposes in the computing machine, with the wagon flow segmentation of fluctuating in real time, determine green wave band according to the wagon flow situation.This signal is used to control the traffic lights 1 that 4 crossings are provided with by belisha beacon switch board output signal.Meanwhile, the green wave band signal is through the n road square-wave signal of switch board output, and the green ripple that is used for controlling n the green ripple indicating lamp device 5 of sun power is indicated the cycle of traffic lights 6.Because signal wire is long, nearly 0.5～1.5KM is long, and the green wave band signal can produce decay, when therefore passing through the green ripple of solar LED indicating lamp device 5 on the way, strengthens amplifying with 12 pairs of green wave band signals of signal amplifier of configuration in this device.
In order to save the energy, the audio-switch 11 of having connected in the current path of the green ripple indicating lamp device 5 of solar LED, under the situation of no car, green ripple indication traffic lights 6 cut out.Having under the situation of car, audio-switch 11 opening power, the green ripple indicating lamp device 5 of solar LED provides power supply for traffic lights.The input of traffic lights control square-wave signal, during noble potential, relay J is opened in compound transistor T conducting, normally opened contact K1 conducting, the LED green light is bright, and normally closed contact K2 disconnects, and the LED red light extinguishes; And during electronegative potential, situation is just in time opposite.
The driver in case after entering into visual green wave band, can see own residing position intuitively, can adjust in the green period of wave that the speed of a motor vehicle enters in the process of exercising, if can't enter, can wait for following one-period.In green period of wave, can see proal greensignal light, the driver can adjust the speed of a motor vehicle of oneself easily.Because 1 cycle of traffic lights at green wave band cycle and crossing is consistent, the driver just can pass through light yellow green light crossing smoothly with the green wave band motion.The order of passing through between each crossing can be coordinated by green ripple control program, and this program can be adjusted automatically according to the wagon flow situation, and the movement velocity of green ripple can be at the uniform velocity, also can be speed change.Can make continuous wagon flow become the formation wagon flow by the motion guidance of each green wave band; If fleet is disturbed, the fleet that also can enter green wave band by the motion guidance of speed change green wave band separates or combination, passes through the crossing with the efficient of the best.
Claims (5)
1, a kind of control device for displaying traffic flow signal at green wave band, it is characterized in that: ground induction coil and back ground induction coil before the underground interval in track, stage casing, two crossings is provided with, ground induction coil connects the interface of the data handling machine that green ripple control coordinator is housed by signal wire, data handling machine is connected with the belisha beacon switch board again, the green ripple red and green signals lamp display device that the signal lamp switch board is connected to belisha beacon simultaneously and is provided with on the way along the track.
2, control device for displaying traffic flow signal at green wave band according to claim 1, it is characterized in that: green ripple red and green signals lamp display device is contained on the rail post of road isolated column, and solar panel and accumulator and charge controller thereof also are housed on the rail post, and storage battery charge controller connects green ripple red and green signals lamp display device by lead.
3, control device for displaying traffic flow signal at green wave band according to claim 1 is characterized in that: also be connected with signal amplifier between signal lamp switch board and green ripple red and green signals lamp display device.
4, according to claim 2 or 3 described control device for displaying traffic flow signal at green wave band, it is characterized in that: the distance between preceding ground induction coil and the back ground induction coil is 5m～10m; The rail post spacing of isolated column is 20m～30m, and the signal lamp in the green ripple red and green signals lamp display device is assembled on the rail post or by every 5m～10m spacing and arranges installation at isolated column; The set data handling machine in the set data handling machine in one crossing and other crossings links to each other by grid line.
5, control device for displaying traffic flow signal at green wave band according to claim 4, it is characterized in that: in the path of the electronic circuit of green ripple red and green signals lamp display device, be in series with an audio-switch, and the electronic switch that green ripple red and green signals lamp display device has adopted triode and relay to connect and compose, the normally closed and normally opened contact of relay is series at respectively in the path of signal lamp LED red light group and LED green light group.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2009100941945A CN101515408A (en) | 2009-03-12 | 2009-03-12 | Control device for displaying traffic flow signal at green wave band |
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| CNA2009100941945A CN101515408A (en) | 2009-03-12 | 2009-03-12 | Control device for displaying traffic flow signal at green wave band |
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| CN101515408A true CN101515408A (en) | 2009-08-26 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012065339A1 (en) * | 2010-11-16 | 2012-05-24 | 青岛海信网络科技股份有限公司 | Method, device and system for controlling traffic signals at intersections |
| CN102592463A (en) * | 2012-03-06 | 2012-07-18 | 昆明理工大学 | Green wave induction control method and system of traffic flow through intelligent cluster signal lamps |
| CN102592462A (en) * | 2012-03-06 | 2012-07-18 | 昆明理工大学 | Whole-journey independent phase green wave induction control method and system of traffic flow |
| CN102682611A (en) * | 2012-04-26 | 2012-09-19 | 唐国桥 | Linear distribution dynamic traffic signal system |
| CN103077616A (en) * | 2013-01-06 | 2013-05-01 | 王保均 | Traffic signal lamp control method and device |
| WO2014063545A1 (en) * | 2012-10-26 | 2014-05-01 | 中兴通讯股份有限公司 | Adaptive traffic control method and device |
| CN104064049A (en) * | 2014-06-20 | 2014-09-24 | 昆明理工大学 | Intelligent traffic road capacity reporting system through short messages |
| CN105551269A (en) * | 2015-12-15 | 2016-05-04 | 邹晓虎 | Intelligent traffic control method for traffic signal lamps of smart city |
| CN114792467A (en) * | 2022-02-14 | 2022-07-26 | 昆明理工大学 | Pedestrian crossing coordination green wave control system and method |
| CN115394102A (en) * | 2022-08-11 | 2022-11-25 | 昆明理工大学 | Traffic guiding device in intelligent traffic system |
-
2009
- 2009-03-12 CN CNA2009100941945A patent/CN101515408A/en active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012065339A1 (en) * | 2010-11-16 | 2012-05-24 | 青岛海信网络科技股份有限公司 | Method, device and system for controlling traffic signals at intersections |
| CN102592463A (en) * | 2012-03-06 | 2012-07-18 | 昆明理工大学 | Green wave induction control method and system of traffic flow through intelligent cluster signal lamps |
| CN102592462A (en) * | 2012-03-06 | 2012-07-18 | 昆明理工大学 | Whole-journey independent phase green wave induction control method and system of traffic flow |
| CN102682611A (en) * | 2012-04-26 | 2012-09-19 | 唐国桥 | Linear distribution dynamic traffic signal system |
| WO2013159494A1 (en) * | 2012-04-26 | 2013-10-31 | Tang Guoqiao | Linearly distributed dynamic traffic signal system |
| WO2014063545A1 (en) * | 2012-10-26 | 2014-05-01 | 中兴通讯股份有限公司 | Adaptive traffic control method and device |
| CN103077616B (en) * | 2013-01-06 | 2015-04-22 | 王保均 | Traffic signal lamp control method and device |
| CN103077616A (en) * | 2013-01-06 | 2013-05-01 | 王保均 | Traffic signal lamp control method and device |
| CN104064049A (en) * | 2014-06-20 | 2014-09-24 | 昆明理工大学 | Intelligent traffic road capacity reporting system through short messages |
| CN104064049B (en) * | 2014-06-20 | 2017-03-08 | 昆明理工大学 | A kind of intelligent transportation road capacity note broadcasting system |
| CN105551269A (en) * | 2015-12-15 | 2016-05-04 | 邹晓虎 | Intelligent traffic control method for traffic signal lamps of smart city |
| CN105551269B (en) * | 2015-12-15 | 2017-07-25 | 邹晓虎 | The intellectual traffic control method of traffic lights in smart city |
| CN114792467A (en) * | 2022-02-14 | 2022-07-26 | 昆明理工大学 | Pedestrian crossing coordination green wave control system and method |
| CN114792467B (en) * | 2022-02-14 | 2023-08-22 | 昆明理工大学 | Pedestrian crossing coordination green wave control system and method |
| CN115394102A (en) * | 2022-08-11 | 2022-11-25 | 昆明理工大学 | Traffic guiding device in intelligent traffic system |
| CN115394102B (en) * | 2022-08-11 | 2024-05-24 | 昆明理工大学 | Traffic guiding device in intelligent traffic system |
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Application publication date: 20090826 |