CN105679050A - Intelligent traffic signal lamp control system - Google Patents
Intelligent traffic signal lamp control system Download PDFInfo
- Publication number
- CN105679050A CN105679050A CN201610177261.XA CN201610177261A CN105679050A CN 105679050 A CN105679050 A CN 105679050A CN 201610177261 A CN201610177261 A CN 201610177261A CN 105679050 A CN105679050 A CN 105679050A
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- vehicle flowrate
- seconds
- plc
- signal
- time delay
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F13/00—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions
- E01F13/04—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage
- E01F13/044—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface
- E01F13/046—Arrangements for obstructing or restricting traffic, e.g. gates, barricades ; Preventing passage of vehicles of selected category or dimensions movable to allow or prevent passage the barrier being formed by obstructing members situated on, flush with, or below the traffic surface, e.g. with inflatable members on the surface the obstructing members moving up in a translatory motion, e.g. telescopic barrier posts
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention discloses an intelligent traffic signal lamp control system, comprising an earth coil, a PLC (Programmable Logic Controller), a computer processing system and a signal lamp. The earth coil and the signal lamp are both in connection with the PLC; the PLC is in connection with the computer processing system; the earth coil is used for detecting traffic flow information; the PLC is used for obtaining the traffic flow information detected by the earth coil, and sending the traffic flow information to the computer processing system; the computer processing system sends a control signal to the signal lamp through the PLC according to obtained traffic flow information; the signal lamp performs signal display according to the control signal. The intelligent traffic signal lamp control system can automatically adjust time according to traffic flow, automatically shorten the time in the direction of few or no vehicles, and automatically prolong the time in the direction of more vehicles, thereby effectively easing city traffic pressure, reducing traffic accidents, saving great travel time for people, and creating more social values.
Description
Technical field
The present invention relates to intelligent transportation equipment technical field, especially relate to a kind of intelligent traffic signal lamp control system.
Background technology
Due to the development in city, the current problem of traffic intersection has become increasingly severe. Although the signal of traffic intersection controls to commonly use, but good control effect is not reached due to falling behind of control method, substantially the traffic light program of remaining of crossroad is set to changeless, if thinking, the adjustment time needs special programmer to carry out adjustment programme to solve problem. For many years, urban traffic control has been carried out systematic research by people, also achieves many achievements in research, state-of-the-art method is that traffic police observes vehicle flowrate situation at the parting of the ways, then passing through hand-held remote controller to adjust green time, such workload is relatively big, and personnel need a lot. Modern economy society develops rapidly, also urban transportation is promoted constantly to advance as the basis realizing urban transportation intelligentized control method and management to the direction of information intelligence, the intelligent development of traffic signal control system is the main aspect that people pay close attention in recent years, now with the growth on a large scale of Urban Traffic rate and vehicle guaranteeding organic quantity, the intelligent adaptability of traffic signalization is proposed tightened up requirement by the transport need complicated more. People, car, road triadic relation coordination be increasingly subject to the attention of traffic department, also increasingly become weigh a urban infrastructure basic hardware index. Except passing through to repair the roads and improving traffic, the control of traffic light ingredient important in Modern City Traffic monitoring and commanding system and technological means are become. On the other hand, the purpose of traffic light is to indicate for people, the current offer of car, to ensure that people's car normal pass avoids accident, these are required for the premise that people's car is observed traffic rules and regulations, but actual life is ignored traffic light and can be found everywhere, particularly crossroad crowd colony formula is made a dash across the red light and is gone across the road, the vehicle parking forcing normal driving waits, driver is caused puzzlement, and easily lead to vehicle accident, existing solution is to arrange some traffic management assistant personnel to keep order at traffic light intersection, so as to additional transport signal lights, wastes a large amount of manpower.
Summary of the invention
Present invention aims to the deficiencies in the prior art, a kind of intelligent traffic signal lamp control system is provided, it can adjust the time automatically according to vehicle flowrate size, make few car or automatically shorten without the car direction time, many cars direction time automatically becomes the traffic pressure effectively alleviating city, reduce vehicle accident, save a large amount of travel time for the people, create more social value.
This intelligent traffic signal lamp control system further comprises with traffic light with the use of footpath automatic lifting fence, during footpath when red, fence rise to stop that pedestrian jaywalks; During footpath green light, clearance fallen by fence; Guarantee that pedestrains safety is passed through, reduce vehicle accident.
To achieve these goals, the technical solution adopted in the present invention is:
A kind of intelligent traffic signal lamp control system, including feel line, PLC, computer processing system and signal lights, ground sense line and signal lights are connected with PLC respectively, PLC is connected with computer processing system, ground sense line is used for detecting information of vehicle flowrate, PLC is for obtaining its information of vehicle flowrate detected from ground sense line and sending this information of vehicle flowrate to computer processing system, computer processing system sends control signal by PLC to signal lights according to the information of vehicle flowrate obtained, signal lights carries out signal according to this control signal and shows.
Further scheme, also includes automatic lifting fence, and PLC is connected with automatic lifting fence and sends control signal to this automatic lifting fence, and automatic lifting fence carries out descending operation according to this control signal.
Specifically, described automatic lifting fence includes casing, servomotor, change speed gear box, screw mandrel, nut, installing rack, guide post and railing, guide post and screw mandrel are vertically installed in casing, installing rack is laterally installed in casing by nut, installing rack lifts along guide post under the driving of screw mandrel, railing is fixedly installed on installing rack, and the lower end of screw mandrel is provided with rotation gear, and servomotor is in transmission connection by change speed gear box and this rotation gear. Wherein, the upper end of casing is provided with waterproof cover, and railing upper end, through this waterproof cover, is additionally provided with the waterproof grommet coordinated with railing in waterproof cover.
Preferably, railing upper end is additionally provided with signal display lamp, and this signal display lamp is connected with PLC. Preferably, railing upper end is additionally provided with speaker, and this letter speaker is connected with PLC. Further, described change speed gear box is additionally provided with clutch.
The control method of a kind of intelligent traffic signal lamp control system, comprises the following steps:
The information of vehicle flowrate that ground sense line detects sends to computer processing system;
(2) computer processing system generates control signal according to the information of vehicle flowrate of step (1), and this control signal is sent to signal lights by PLC;
(3) signal lights shows corresponding signal according to the control signal of step (2);
In described step (1), information of vehicle flowrate includes North and South direction information of vehicle flowrate and east-west direction information of vehicle flowrate;
Described step (2) Computer processes system and North and South direction information of vehicle flowrate and east-west direction information of vehicle flowrate is analyzed and is processed, including:
(21) if North and South direction vehicle flowrate and east-west direction vehicle flowrate in 20 seconds no more than 7, then the red green time of North and South direction under normal condition is set and east-west direction traffic light time is 20 seconds;
(22) if North and South direction vehicle flowrate or east-west direction vehicle flowrate in 20 seconds more than 7, then vehicle flowrate current direction more than 7 in 20 seconds performs time delay adjustment;
(23) if North and South direction vehicle flowrate and east-west direction vehicle flowrate in 20 seconds more than 7, then compare North and South direction vehicle flowrate and east-west direction vehicle flowrate, the big current direction of vehicle flowrate performs time delay adjustment.
Wherein, the method for described time delay adjustment includes:
7 < when vehicle amount≤14 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 40 seconds;
14 < when vehicle amount≤21 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 60 seconds;
21 < when vehicle amount≤28 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 80 seconds;
28 < when vehicle amount in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 100 seconds.
Adopt after technique scheme, the present invention compared to the prior art advantageously:
A kind of intelligent traffic signal lamp control system of the present invention, the time reading the clock of traffic lights is controlled by comparing the vehicle flowrate in track, north and south and thing track, the track time reading the clock making vehicle flowrate big is as far as possible longer, and the track then waiting time that vehicle flowrate is little is somewhat longer. The pressure of traffic is alleviated, it is also possible to reasonably utilize traffic resource with this. The present invention can regulate the control of signal lights automatically and reasonably can improve urban transportation quality, effectively alleviate the traffic pressure in city, reduce vehicle accident and city traffic jam, shorten the vehicle waiting time, improve vehicle pass-through efficiency, make the adjustment of urban traffic reach optimum.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described:
Fig. 1 is the structural representation of the use state of the present invention;
Fig. 2 is the structural representation of the automatic lifting fence of the present invention;
Fig. 3 is the sectional structure schematic diagram of the automatic lifting fence of the present invention;
Fig. 4 is the workflow block diagram of the present invention.
In figure: 100, automatic lifting fence; 1, casing; 2, servomotor; 3, screw mandrel; 4, nut; 5, installing rack; 6, guide post; 7, railing; 8, gear is rotated.
Detailed description of the invention
The following stated is only presently preferred embodiments of the present invention, does not therefore limit protection scope of the present invention.
Referring to Fig. 1-Fig. 4, a kind of intelligent traffic signal lamp control system, including feel line, PLC, computer processing system and signal lights, ground sense line and signal lights are connected with PLC respectively, PLC is connected with computer processing system, ground sense line is installed on the position from signal lights about 100 meters, for detecting the information of vehicle flowrate treated by signal lights, PLC is for obtaining its information of vehicle flowrate detected from ground sense line and sending this information of vehicle flowrate to computer processing system, computer processing system sends control signal by PLC to signal lights according to the information of vehicle flowrate obtained, signal lights carries out signal according to this control signal and shows. native system is additionally provided with starting switch, when, after start switch, ground sense line starts to receive signals of vehicles.
The control method of this intelligent traffic signal lamp control system, referring to Fig. 4, comprises the following steps:
(1) feel the information of vehicle flowrate that line detects to send to computer processing system;
(2) computer processing system generates control signal according to the information of vehicle flowrate of step (1), and this control signal is sent to signal lights by PLC;
(3) signal lights shows corresponding signal according to the control signal of step (2);
In described step (1), information of vehicle flowrate includes North and South direction information of vehicle flowrate and east-west direction information of vehicle flowrate;
Described step (2) Computer processes system and North and South direction information of vehicle flowrate and east-west direction information of vehicle flowrate is analyzed and is processed, including:
(21) if North and South direction vehicle flowrate and east-west direction vehicle flowrate in 20 seconds no more than 7, then the red green time of North and South direction under normal condition is set and east-west direction traffic light time is 20 seconds;
(22) if North and South direction vehicle flowrate or east-west direction vehicle flowrate in 20 seconds more than 7, then vehicle flowrate current direction more than 7 in 20 seconds performs time delay adjustment;
(23) if North and South direction vehicle flowrate and east-west direction vehicle flowrate in 20 seconds more than 7, then compare North and South direction vehicle flowrate and east-west direction vehicle flowrate, the big current direction of vehicle flowrate performs time delay adjustment.
Wherein, the method that described time delay adjusts is as follows:
7 < when vehicle amount≤14 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 40 seconds;
14 < when vehicle amount≤21 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 60 seconds;
21 < when vehicle amount≤28 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 80 seconds;
28 < when vehicle amount in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 100 seconds.
Further scheme, also includes automatic lifting fence 100, and PLC is connected with automatic lifting fence 100 and sends control signal to this automatic lifting fence 100, and automatic lifting fence 100 carries out descending operation according to this control signal.
Referring specifically to Fig. 2 and Fig. 3, described automatic lifting fence 100 includes casing 1, servomotor 2, change speed gear box, screw mandrel 3, nut 4, installing rack 5, guide post 6 and railing 7, casing 1 is installed in the rotary island place at crossing two ends, crossroad, guide post 6 and screw mandrel 3 are vertically installed in casing 1, installing rack 5 is laterally installed in casing 1 by nut 4, it is provided with guide post 6 in the both sides of casing 1, installing rack 5 traverse guide post 6, installing rack 5 lifts along guide post 6 under the driving of screw mandrel 3, railing 7 is fixedly installed on installing rack 5, the lower end of screw mandrel 3 is provided with rotation gear 8, servomotor 2 is in transmission connection by change speed gear box and this rotation gear 8.
Its operation principle is: the control signal that computer processing system is calculated by PLC is respectively sent to signalling light for vehicle, walker signal lamp and servomotor 2, signalling light for vehicle, walker signal lamp and servomotor 2 synchronous operation, when signalling light for vehicle is green light, walker signal lamp is red light, servomotor 2 rotates forward, screw mandrel 3 is driven to rotate, screw mandrel 3 coordinates with nut 4, installing rack 5 is made to increase along guide post 6 under the position-limiting action of guide post 6, now railing 7 rises with installing rack 5, stopping at the two ends of crossing, no through traffic for pedestrian; When signalling light for vehicle is red light, walker signal lamp is green light, and servomotor 2 rotates backward, and screw mandrel 3 drive installation frame 5 declines along guide post 6, and now railing 7 drops to ground with installing rack 5, and to let pass, pedestrian passes through. Guarantee that pedestrains safety is passed through, reduce vehicle accident.
Wherein, the upper end of casing 1 is provided with waterproof cover, and railing 7 upper end, through this waterproof cover, is additionally provided with the waterproof grommet coordinated with railing 7, it is to avoid rainwater and other foreign material enter in casing 1 in waterproof cover.
Preferably, railing 7 upper end is additionally provided with signal display lamp, and this signal display lamp is connected with PLC, this signal display lamp and walker signal lamp simultaneous display, and reminds with amber light flicker in railing 7 lifting process. Preferably, railing 7 upper end is additionally provided with speaker, and this letter speaker is connected with PLC, and speaker audibly reminds pedestrian's railing 7 jacking condition. Further, described change speed gear box is additionally provided with clutch, is stopped or in stuck situation when railing 7 rises or falls, and servomotor 2 is separated by clutch with rotating gear 8, and servomotor 2 is played a protective role.
Embodiment described above is not limited to the present invention, for a person skilled in the art, wherein portion of techniques feature carries out equivalent replacement within the spirit and principles in the present invention, should be included within protection scope of the present invention.
Claims (9)
1. an intelligent traffic signal lamp control system, it is characterized in that: feel line with including, PLC, computer processing system and signal lights, ground sense line and signal lights are connected with PLC respectively, PLC is connected with computer processing system, ground sense line is used for detecting information of vehicle flowrate, PLC is for obtaining its information of vehicle flowrate detected from ground sense line and sending this information of vehicle flowrate to computer processing system, computer processing system sends control signal by PLC to signal lights according to the information of vehicle flowrate obtained, signal lights carries out signal according to this control signal and shows.
2. intelligent traffic signal lamp control system according to claim 1, it is characterized in that: also include automatic lifting fence (100), PLC is connected with automatic lifting fence (100) and sends control signal to this automatic lifting fence (100), and automatic lifting fence (100) carries out descending operation according to this control signal.
3. intelligent traffic signal lamp control system according to claim 2, it is characterized in that: described automatic lifting fence (100) includes casing (1), servomotor (2), change speed gear box, screw mandrel (3), nut (4), installing rack (5), guide post (6) and railing (7), guide post (6) and screw mandrel (3) are vertically installed in casing (1), installing rack (5) is laterally installed in casing (1) by nut (4), installing rack (5) lifts along guide post (6) under the driving of screw mandrel (3), railing (7) is fixedly installed on installing rack (5), the lower end of screw mandrel (3) is provided with rotation gear (8), servomotor (2) is in transmission connection by change speed gear box and this rotation gear (8).
4. intelligent traffic signal lamp control system according to claim 3, it is characterized in that: the upper end of casing (1) is provided with waterproof cover, railing (7) upper end, through this waterproof cover, is additionally provided with the waterproof grommet coordinated with railing (7) in waterproof cover.
5. intelligent traffic signal lamp control system according to claim 3, it is characterised in that: railing (7) upper end is additionally provided with signal display lamp, and this signal display lamp is connected with PLC.
6. intelligent traffic signal lamp control system according to claim 3, it is characterised in that: railing (7) upper end is additionally provided with speaker, and this letter speaker is connected with PLC.
7. the intelligent traffic signal lamp control system according to claim 5 or 6, it is characterised in that: described change speed gear box is additionally provided with clutch.
8. the control method of an intelligent traffic signal lamp control system as claimed in claim 1, it is characterised in that: comprise the following steps:
The information of vehicle flowrate that ground sense line detects sends to computer processing system;
Computer processing system generates control signal according to the information of vehicle flowrate of step (1), and this control signal is sent to signal lights by PLC;
Signal lights shows corresponding signal according to the control signal of step (2);
In described step (1), information of vehicle flowrate includes North and South direction information of vehicle flowrate and east-west direction information of vehicle flowrate;
Described step (2) Computer processes system and North and South direction information of vehicle flowrate and east-west direction information of vehicle flowrate is analyzed and is processed, including:
(21) if North and South direction vehicle flowrate and east-west direction vehicle flowrate in 20 seconds no more than 7, then the red green time of North and South direction under normal condition is set and east-west direction traffic light time is 20 seconds;
(22) if North and South direction vehicle flowrate or east-west direction vehicle flowrate in 20 seconds more than 7, then vehicle flowrate current direction more than 7 in 20 seconds performs time delay adjustment;
(23) if North and South direction vehicle flowrate and east-west direction vehicle flowrate in 20 seconds more than 7, then compare North and South direction vehicle flowrate and east-west direction vehicle flowrate, the big current direction of vehicle flowrate performs time delay adjustment.
9. the control method of intelligent traffic signal lamp control system according to claim 8, it is characterised in that: the method for described time delay adjustment includes:
7 < when vehicle amount≤14 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 40 seconds;
14 < when vehicle amount≤21 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 60 seconds;
21 < when vehicle amount≤28 in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 80 seconds;
28 < when vehicle amount in 20 seconds of the current direction that time delay adjusts need to be performed, the green light time delay in this current direction to 100 seconds.
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| CN201610177261.XA CN105679050A (en) | 2016-03-23 | 2016-03-23 | Intelligent traffic signal lamp control system |
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| CN201610177261.XA CN105679050A (en) | 2016-03-23 | 2016-03-23 | Intelligent traffic signal lamp control system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106251653A (en) * | 2016-08-29 | 2016-12-21 | 王若芊 | A kind of Intelligent traffic light control method and system |
| CN107437338A (en) * | 2017-09-15 | 2017-12-05 | 张成德 | A kind of traffic intersection passing control system and method |
| CN107919022A (en) * | 2017-11-22 | 2018-04-17 | 浙江工业大学 | A kind of intelligent traffic light signal control method of dynamic duration distribution |
| CN108118631A (en) * | 2017-12-07 | 2018-06-05 | 徐芳 | Intelligent elevated traffic safety facilities |
| CN108560442A (en) * | 2018-05-02 | 2018-09-21 | 马鞍山市翔宇机械自动化科技有限公司 | A kind of underground lifting block bar |
| CN109403231A (en) * | 2018-11-17 | 2019-03-01 | 韩开龙 | A kind of highway obstacle automatic retraction device |
| CN109523779A (en) * | 2018-11-07 | 2019-03-26 | 辽宁工业大学 | A kind of traffic control system based on cloud computing |
| CN110473412A (en) * | 2019-09-12 | 2019-11-19 | 杭州京安交通工程设施有限公司 | A kind of controlling system of traffic light |
| CN111091725A (en) * | 2019-12-31 | 2020-05-01 | 平顶山学院 | Crossroad traffic flow detection and signal lamp intelligent control method |
| CN114550469A (en) * | 2021-12-31 | 2022-05-27 | 武汉中交交通工程有限责任公司 | Intelligent restriction system capable of automatically lifting |
| CN114673106A (en) * | 2022-04-06 | 2022-06-28 | 张朝阳 | Pedestrian reminding device with violation warning function |
| CN115311841A (en) * | 2022-09-08 | 2022-11-08 | 广东广宇科技发展有限公司 | Smart city people flow information management method and device, electronic equipment and medium thereof |
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| CN106251653A (en) * | 2016-08-29 | 2016-12-21 | 王若芊 | A kind of Intelligent traffic light control method and system |
| CN107437338A (en) * | 2017-09-15 | 2017-12-05 | 张成德 | A kind of traffic intersection passing control system and method |
| CN107919022B (en) * | 2017-11-22 | 2020-06-12 | 浙江工业大学 | Intelligent traffic light signal control method for dynamic time length distribution |
| CN107919022A (en) * | 2017-11-22 | 2018-04-17 | 浙江工业大学 | A kind of intelligent traffic light signal control method of dynamic duration distribution |
| CN108118631A (en) * | 2017-12-07 | 2018-06-05 | 徐芳 | Intelligent elevated traffic safety facilities |
| CN108560442A (en) * | 2018-05-02 | 2018-09-21 | 马鞍山市翔宇机械自动化科技有限公司 | A kind of underground lifting block bar |
| CN109523779A (en) * | 2018-11-07 | 2019-03-26 | 辽宁工业大学 | A kind of traffic control system based on cloud computing |
| CN109403231A (en) * | 2018-11-17 | 2019-03-01 | 韩开龙 | A kind of highway obstacle automatic retraction device |
| CN110473412A (en) * | 2019-09-12 | 2019-11-19 | 杭州京安交通工程设施有限公司 | A kind of controlling system of traffic light |
| CN111091725A (en) * | 2019-12-31 | 2020-05-01 | 平顶山学院 | Crossroad traffic flow detection and signal lamp intelligent control method |
| CN114550469A (en) * | 2021-12-31 | 2022-05-27 | 武汉中交交通工程有限责任公司 | Intelligent restriction system capable of automatically lifting |
| CN114673106A (en) * | 2022-04-06 | 2022-06-28 | 张朝阳 | Pedestrian reminding device with violation warning function |
| CN115311841A (en) * | 2022-09-08 | 2022-11-08 | 广东广宇科技发展有限公司 | Smart city people flow information management method and device, electronic equipment and medium thereof |
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Application publication date: 20160615 |
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