CN202677620U

CN202677620U - Intelligent traffic light management system

Info

Publication number: CN202677620U
Application number: CN 201220310362
Authority: CN
Inventors: 洪军; 夏明辉; 潘佳伟
Original assignee: ChinaGPS Co Ltd Shenzhen
Current assignee: ChinaGPS Co Ltd Shenzhen
Priority date: 2012-06-29
Filing date: 2012-06-29
Publication date: 2013-01-16
Anticipated expiration: 2022-06-29

Abstract

The utility model discloses an intelligent traffic light management system. The system comprises a vehicle information detector (1), a traffic control module (2) and a traffic light (3), wherein the vehicle information detector is laid on an intersection and is used to detect the quantity of the vehicle which is located at the intersection and is waiting for passing; the traffic control module forms communication connection with the vehicle information detector (1), receives vehicle quantity information sent by the vehicle information detector (1), adjusts a traffic light state according to the vehicle quantity information and calculates continuous time of the state; the traffic light (3) forms the communication connection with the traffic control module (2) and switches the state under the control so as to control a traffic condition of the intersection. By using the traffic light management system of the utility model, the vehicle quantity at the intersection can be grasped; the time of switching the traffic light of different directions is controlled according to the vehicle quantity so that vehicle waiting time is reduced and the traffic is more smooth.

Description

The intelligent transportation lamp management system

Technical field

The utility model relates to field of traffic control, relates in particular to a kind of intelligent transportation lamp management system.

Background technology

Along with economic growth, the rapid increase of the quickening of urbanization process and automobile quantity, urban traffic congestion, choking phenomenon go from bad to worse, and consequent noise, environmental pollution have become day by day serious social concern.

And at present the city is to being regularly to change traffic light status on the traffic lights management method, and in general, the make-and-break time at different crossings is identical, can't remove to consider the traveling state of vehicle on the real road.So, often see that the left and right sides there is no Vehicle Driving Cycle, thereby has increased the unnecessary stand-by period when vehicle is waited for the place ahead red light.For example a crossroad, if a direction is major trunk roads, vehicle flowrate is very large, and another direction is auxiliary main road, and vehicle flowrate is less; Desirable management-control method should be that the transit time of major trunk roads direction is longer than the transit time of auxiliary main road, so that vehicle can in time pass through.But present most of crossings all are identical or close transit times, often cause the phenomenon that gets congestion on the major trunk roads.Also have the part critical junction to adopt artificial management and control, but the cost of this method is higher, simultaneously noisy environmental nuisance traffic-police's is healthy.

The utility model content

The technical problems to be solved in the utility model is, for the different directions transit time of prior art identical or approachingly cause a direction traffic congestion, the labor management cost is higher and infringement traffic police's healthy defective, and a kind of intelligent transportation lamp management system is provided.

The technical scheme that its technical matters that solves the utility model adopts is: a kind of intelligent transportation lamp management system is provided, comprise information of vehicles detecting device, traffic lights, and and the traffic control module that all communicates to connect of described information of vehicles detecting device, traffic lights, described information of vehicles detecting device is pressure transducer, infrared observation device or the ground induction coil that is layed in crossing place, and it waits for current vehicle fleet size for detection of what be positioned at this crossing; Described traffic control module receives the vehicle fleet size information that the information of vehicles detecting device sends, and adjusts the state of traffic lights and the duration of calculating this state according to described vehicle fleet size information; When the vehicle fleet size on a direction increases, described traffic control module is sent the signal of this direction vehicle pass-through time of prolongation to the traffic lights of this direction, described intelligent transportation lamp management system also comprises the road traffic central control system, it is connected with the traffic control module communication at each crossing, be used for collecting the vehicle fleet size information at each place, crossing that is positioned on a certain road, and determine whether to send to the road management personnel signal at a certain crossing of request labor management according to the vehicle fleet size information at above-mentioned each place, crossing.

The advantage of implementing the utility model intelligent transportation lamp management system is: mutual by wagon detector, traffic control module and the traffic lights set, grasp the vehicle fleet size at place, crossing, and control the time that the traffic lights of different directions switches according to vehicle fleet size, thereby the time of minimizing vehicle sky etc., make traffic more smooth and easy.

Description of drawings

Below in conjunction with drawings and Examples the utility model intelligent transportation lamp management system is described further, in the accompanying drawing:

Fig. 1 is the enforcement schematic diagram of the utility model intelligent transportation lamp management system;

Fig. 2 is the system architecture schematic diagram of the utility model intelligent transportation lamp management system;

Fig. 3 is the road structure schematic diagram of an embodiment of the utility model intelligent transportation lamp management system;

Fig. 4 is the structural representation of road management system of an embodiment of the utility model intelligent transportation lamp management system.

Embodiment

Structure and the principle of the utility model intelligent transportation lamp management system are described in conjunction with Fig. 1 to Fig. 4.

As illustrated in fig. 1 and 2, the traffic lights management system that is implemented on place, a crossroad is described.Information of vehicles detecting device 1 is arranged at place, four crossings, and is connected the connection of wire communication or radio communication with the traffic control module.Traffic control module 2 is arranged in the control box in roadside or is arranged in the fixed bar of traffic lights 3.Information of vehicles detecting device 1 is preferably the pressure transducer that is layed in each place, crossing, can certainly adopt other sensors, for example infrared observation device or ground induction coil.Traffic control module 2 is one to be integrated with the single-chip microcomputer of related algorithm program, and it is very little that its volume can be done, and therefore it can be arranged in the fixed leg of hollow of traffic lights 3.Algorithm in the traffic control module 2 calculates best transit time on all directions according to the vehicle fleet size at each crossing, for example the transit time on a direction and the party upwards the vehicle fleet size sum located of two crossings become positive correlation.Suppose the gross vehicle at two crossing E, W place on the east-west direction and be 50, and the vehicle at the place, two crossings of North and South direction comprehensively is 10, transit time on the east-west direction can be made as 90 seconds so, and the transit time of four corners of the world direction is set to 20 seconds.It should be noted that this only is an example, the technician can be according to actual count rule and actual conditions design related algorithm.Traffic control module 2 should be taken into account that multiple situation designs, for example when the vehicle flowrate on a direction increases suddenly, traffic control module 2 can in time prolong the transit time that the party makes progress accordingly, that is to say that information of vehicles detecting device 1 preferably is set to the vehicle fleet size at place, real-time detection crossing, the traffic control module also can be processed in real time, so that control in real time the state of traffic lights 3, full out occlusion event is eliminated.Traffic lights 3 is the electronic clock of countdown, preferably, adopts LED display to show this countdown numeral, also can be traffic lights.

In conjunction with Fig. 3 and Fig. 4 the traffic lights management system that is implemented on place, a plurality of crossing is described.In this embodiment, certain bar road has C1, C2, three crossroads of C3, and each crossing is provided with information of vehicles detecting device 1, traffic control module 2 and traffic lights 3.Traffic control module 2 all communicates to connect with road traffic central control system 4, road traffic central control system 4 is used for collecting an information such as vehicle fleet size at place, crossing, the center adopts related algorithm or simulation system to calculate best current mode, the i.e. transit time at each crossing.When road traffic hub control system finds that certain crossing is very busy, in the time of may needing manually to command, send the signal of request artificial assistance to the central task personnel.

Above-described embodiment only carries out for setting forth principle of the present utility model, can not be interpreted as to limit protection domain of the present utility model.The technician also can adjust according to the actual conditions of concrete certain road during this system in design, such as can with this system applies in the T-shaped road junction, road circuits etc.

Claims

1. A kind of intelligent transportation lamp management system, it is characterized in that, comprise information of vehicles detecting device (1), traffic lights (3), and and the traffic control module (2) that all communicates to connect of described information of vehicles detecting device (1), traffic lights (3), described information of vehicles detecting device (1) is for being layed in pressure transducer, infrared observation device or the ground induction coil at crossing place, and it waits for current vehicle fleet size for detection of what be positioned at this crossing; Described traffic control module (2) receives the vehicle fleet size information that information of vehicles detecting device (1) sends, and adjusts the state of traffic lights and the duration of calculating this state according to described vehicle fleet size information; When the vehicle fleet size on a direction increased, described traffic control module (2) was sent the signal of this direction vehicle pass-through time of prolongation to the traffic lights of this direction; Described intelligent transportation lamp management system also comprises road traffic central control system (4), traffic control module (2) communication connection at it and each crossing, be used for collecting the vehicle fleet size information at each place, crossing that is positioned on a certain road, and determine whether to send to the road management personnel signal at a certain crossing of request labor management according to the vehicle fleet size information at above-mentioned each place, crossing.