CN106023607A - Traffic light control method and system - Google Patents
Traffic light control method and system Download PDFInfo
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- CN106023607A CN106023607A CN201510132231.2A CN201510132231A CN106023607A CN 106023607 A CN106023607 A CN 106023607A CN 201510132231 A CN201510132231 A CN 201510132231A CN 106023607 A CN106023607 A CN 106023607A
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Abstract
The invention discloses a traffic light control method and system, and the method comprises the steps: burying a traffic flow collection sensor (1) under each traffic intersection; integrating a GSM module (2) and a control module (3) in a small case; transmitting traffic flow information of a stop to a next intersection in a manner of short messages through the GSM module (2), and enabling the control module (3) of the next intersection to carry out the conversion of the relation of traffic flow and passing time after the transmitted traffic flow information is received, so as to write a control program; controlling the switching of the traffic lights of the intersection, and displaying the duration of lights with the corresponding color. The system is simple in structure, is low in cost, can be installed at each intersection easily, and is high in practicality. The system employs a one-station communication mode, avoids a big project of a main station server. Each intersection communicates with the adjacent front and back intersections. The system is high in practicality, and the mutual relation is close and independent.
Description
Technical field
The invention belongs to control and communication technical field, relate to gsm communication and controlling system of traffic light, for the vehicle flowrate controlling each exit of dynamic realtime, it is ensured that the optimization of traffic runs, and reaches the purpose of intelligent transportation.
Background technology
The control of traffic light is an important component part of urban road and traffic control system.It has important relation to urban development and economic construction.China most cities all uses traditional control method, it is by adding up the traffic lights flow of both direction, the method again time delay of both direction being previously set, but the actual vehicle flowrate at a crossing is variable random, fuzzy, it is impossible to express with accurate mathematical model.Also proposition traffic lights based on GRPS main station type are had to control, but implement due to a variety of causes such as network delays or ratio is relatively difficult to achieve, and it is easily subject to interference, therefore want fundamentally to solve this problem, except to strengthen the construction of urban road energetically, set up sound traffic control system etc., the more important thing is and design a set of system to traffic light Based Intelligent Control, not only economy but also reliable way is used to carry out anywhere or anytime traffic light controlling in real time and effectively, the problem reasonably alleviating traffic congestion, balanced traffic flow.
Therefore, control method and the system thereof of existing traffic light is the most urgently improved.
Summary of the invention
It is an object of the invention to the problem of control for solving current Traffic Signals in Urban Roads lamp, it is provided that a kind of traffic lights control method based on GMS and ARM and system thereof.
Technical scheme is as follows:
Present invention firstly provides such a traffic lights control method, it is at each traffic intersection exit embedded underground traffic flow acquisition sensor, the information of vehicle flowrate of traffic flow acquisition this exit of sensor acquisition of each exit；Then by integrated to gsm module and control module in a little cabinet；Next crossing is given our station information of vehicle flowrate by short message sending by the gsm module of this exit, and it is simply sent to the next crossing of this place, crossing exit, without sending to main website or other other exit, the control module at next crossing receives the information of vehicle flowrate sended over, carrying out vehicle flowrate and write control program by the conversion of time relationship, the traffic lights of the exit then controlling this control module place switch and show the lamp persistent period of respective color.
It uses one-stop flow services mode, casts aside the impact of main website server terminal, and each slave station only receives the information of a slave station, sends our station message to next slave station.Decrease main website impact wherein, the real-time strengthened greatly and feasibility.
Based on such method, the present invention proposes a kind of controlling system of traffic light based on GSM and ARM, it includes light pole and the traffic lights display screen being arranged on light pole top and time display screen, similarly to the prior art, traffic lights display screen is used for showing red yellowish green trichromatism lamp, and time display screen is for showing the lamp persistent period of shades of colour, show in real time in the way of countdown reading the clock.Traffic lights display screen and time display screen all use visual icon and numeral, to one good dynamical feedback of car owner.
The present invention thes improvement is that, traffic flow acquisition sensor that it also includes the information of vehicle flowrate for gathering each exit, the cabinet being arranged on light pole, cabinet is connected with traffic flow acquisition sensor and controls color switching and the time showing of traffic lights display screen and time display screen；The most integrated it is provided with gsm module and control module.Wherein, gsm module uses the integrated chip of SIM908, collection GPS and GPRS and integrated chip, it is simple to later expanded function is used；Control module uses STM32 chip, can collect various functions of modules and one, and programming is convenient, powerful..
Further, traffic flow acquisition sensor is buried inductance sensor.Use buried inductance sensor can avoid artificial unnecessary impact, and the interference such as weather can be reduced.It addition, cabinet is detachably arranged on light pole.Cabinet uses detachable, is easily fixed on the bar of traffic lights, and cabinet also uses Water-proof sun-proof device can avoid the weather impact on it.
Traffic flow acquisition sensor is connected with the control module in cabinet by USB.
As a kind of optimal way, by gsm module and control module integrating controller, USB between this controller with traffic flow acquisition sensor, is used to be connected.
Compared with prior art, the invention have the advantages that
(1) inventive structure is simple, cheap, be prone to install at each crossing, practical；
(2) use one-stop communication mode, cast aside this huge engineering of main website server, communicate between each crossing master and adjacent crossing up and down, real-time, and contact the tightst but also independent each other.
Accompanying drawing explanation
Fig. 1 is the system structure installation diagram of the present invention；
Fig. 2 is one-stop service process principle figure；
Fig. 3 is the operation principle of main control circuit.
Description of reference numerals: 1-traffic flow acquisition sensor, 2-GSM module, 3-control module, 4-time display screen, 5-traffic lights display screen, 6-cabinet, 7-light pole, 8-USB joint.
Detailed description of the invention
The present invention is described in further detail with embodiment below in conjunction with the accompanying drawings.
As shown in Figure 1, the controlling system of traffic light based on GSM and ARM of the present invention is such, it is arranged on each traffic intersection, the traffic lights display screen 5 including light pole 7 and being arranged on light pole 7 top and time display screen 4, it also includes the traffic flow acquisition sensor 1 for collecting vehicle flow information, this traffic flow acquisition sensor 1 is embedded in underground, a cabinet 6 removably it is provided with at light pole 7, cabinet 6 is connected by USB joint 8 with traffic flow acquisition sensor 1, and cabinet 6 is for controlling color switching and the time showing of traffic lights display screen 5 and time display screen 4；Integrated in cabinet 6 being provided with gsm module 2 and control module 3, be illustrated in cabinet 6 in Fig. 1, GMS module 2 is positioned at the lower section of control module 3.Gsm module 2 uses the integrated chip of SIM908, and control module 3 uses STM32 chip.
The present invention is not required to arrange main website, but the information of vehicle flowrate of this exit is gathered with the traffic flow acquisition sensor 1 being embedded in each traffic intersection underground, and it is merely sent to next crossing by 2 our station information of vehicle flowrate of gsm module by note, the control module 3 at next crossing receives an information of vehicle flowrate sended over, carrying out vehicle flowrate and write control program by the conversion of time relationship, the traffic lights then controlling this exit switch and show the lamp persistent period of respective color.
Fig. 2 is this one-stop service mode process principle figure of the present invention, and wherein, vehicle sequentially passes through traffic intersection one, traffic intersection two and traffic intersection three.The information of vehicle flowrate that traffic intersection one sails to traffic intersection two gathers by being arranged on the buried collection sensor 1 of traffic intersection one, then the cabinet 6 of traffic intersection one is passed to by USB acquisition mode, and transmitted to traffic intersection two in GSM mode by the gsm module 2 in the cabinet 6 of traffic intersection one, and the cabinet 6 of traffic intersection two receives the information of vehicle flowrate that traffic intersection one sends over, the relation of the time that the vehicle flowrate according to traffic intersection one and these vehicles come to be needed by traffic intersection two from traffic intersection one (or according to practical experience value may determine that vehicle by putting into practice) controlled the display module of traffic intersection two by the control module 3 cabinet 6 of traffic intersection two, show traffic lights swap times.
And simultaneously, the buried collection sensor 1 of traffic intersection two gathers again the information of vehicle flowrate sailed from traffic intersection two to traffic intersection three, then the cabinet 6 of traffic intersection two is passed to by USB acquisition mode, and transmitted to traffic intersection three in GSM mode by the gsm module 2 in the cabinet 6 of traffic intersection two, control module 3 in the cabinet 6 of traffic intersection three controls the display module of traffic intersection three, show traffic lights swap times ... be so controlled successively, the traffic lights of traffic intersection can be realized.
Fig. 3 is the operation principle of the main control circuit of the present invention, principle according to buried sensor, often cross a car and all carry out the change of a numerical value, then information of vehicle flowrate is transferred to STM32 master controller, and by the Master control chip STM32 of control module 3 adds up, draw vehicle flowrate, the vehicle flowrate of this exit is sent to the next stop in GSM mode by gsm module 2, this exit receives the information of vehicle flowrate at a upper station, after the time that conversion out shows, alternately show the time with Interruption.
Certainly, being more than the concrete exemplary applications of the present invention, the present invention also has the technical scheme that other embodiment, all employing equivalents or equivalent transformation are formed, within all falling within protection domain of the presently claimed invention.
Claims (8)
1. a traffic lights control method, it is characterised in that: it is each traffic intersection exit embedded underground traffic flow acquisition sensor (1)；Gsm module (2) and control module (3) are integrated in a little cabinet；Next crossing is given our station information of vehicle flowrate by short message sending by gsm module (2), the control module (3) at next crossing receives the information of vehicle flowrate sended over, carrying out vehicle flowrate and write control program by the conversion of time relationship, the traffic lights then controlling this exit switch and show the lamp persistent period of respective color.
Traffic lights control method based on GSM and ARM the most according to claim 1, it is characterized in that: it uses one-stop flow services mode, casting aside the impact of main website server terminal, each slave station only receives the information of a slave station, sends our station message to next slave station.
3. a controlling system of traffic light based on GSM and ARM, the traffic lights display screen (5) including light pole (7) and being arranged on light pole (7) top and time display screen (4), it is characterized in that: the cabinet (6) that it also includes the traffic flow acquisition sensor (1) for collecting vehicle flow information, is arranged on light pole (7), cabinet (6) is connected with traffic flow acquisition sensor (1) and controls color switching and the time showing of traffic lights display screen (5) and time display screen (4)；Integrated in cabinet (6) it is provided with gsm module (2) and control module (3).
Controlling system of traffic light based on GSM and ARM the most according to claim 3, it is characterised in that: described gsm module (2) uses the integrated chip of SIM908, and described control module (3) uses STM32 chip.
Controlling system of traffic light based on GSM and ARM the most according to claim 4, it is characterised in that: described traffic flow acquisition sensor (1) is buried inductance sensor.
Controlling system of traffic light based on GSM and ARM the most according to claim 4, it is characterised in that: described cabinet (6) is detachably arranged on light pole (7).
Controlling system of traffic light based on GSM and ARM the most according to claim 4, it is characterised in that: described traffic flow acquisition sensor (1) is connected with the control module (3) in cabinet (6) by USB.
Controlling system of traffic light based on GSM and ARM the most according to claim 4, it is characterised in that: described gsm module (2) and control module (3) integrating controller, use USB to be connected between this controller with traffic flow acquisition sensor (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132231.2A CN106023607A (en) | 2015-03-25 | 2015-03-25 | Traffic light control method and system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510132231.2A CN106023607A (en) | 2015-03-25 | 2015-03-25 | Traffic light control method and system |
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| CN106023607A true CN106023607A (en) | 2016-10-12 |
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| CN201510132231.2A Pending CN106023607A (en) | 2015-03-25 | 2015-03-25 | Traffic light control method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106253953A (en) * | 2016-10-31 | 2016-12-21 | 杭州宜贝科技有限公司 | A kind of street lamp power supply, road lamp power supply circuit power frequency communication system and communication means thereof |
| JP2018128717A (en) * | 2017-02-06 | 2018-08-16 | 株式会社京三製作所 | Housing case |
| CN113470390A (en) * | 2021-07-09 | 2021-10-01 | 公安部交通管理科学研究所 | Multiphase dynamic coordination control method for short-link intersection edge node fusion |
| US20230024186A1 (en) * | 2021-07-23 | 2023-01-26 | Ford Global Technologies, Llc | Synchronized Work Zone Traffic Management Systems And Methods |
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| JP2002245586A (en) * | 2001-02-19 | 2002-08-30 | Mitsubishi Electric Corp | Traffic signal control system |
| US20100309023A1 (en) * | 2009-06-05 | 2010-12-09 | Alexander Busch | Traffic Control System |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106253953A (en) * | 2016-10-31 | 2016-12-21 | 杭州宜贝科技有限公司 | A kind of street lamp power supply, road lamp power supply circuit power frequency communication system and communication means thereof |
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| JP2018128717A (en) * | 2017-02-06 | 2018-08-16 | 株式会社京三製作所 | Housing case |
| CN113470390A (en) * | 2021-07-09 | 2021-10-01 | 公安部交通管理科学研究所 | Multiphase dynamic coordination control method for short-link intersection edge node fusion |
| US20230024186A1 (en) * | 2021-07-23 | 2023-01-26 | Ford Global Technologies, Llc | Synchronized Work Zone Traffic Management Systems And Methods |
| US11710401B2 (en) * | 2021-07-23 | 2023-07-25 | Ford Global Technologies, Llc | Synchronized work zone traffic management systems and methods |
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Application publication date: 20161012 |
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