CN202694579U - Dynamic control system for traffic signal lamp - Google Patents
Dynamic control system for traffic signal lamp Download PDFInfo
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- CN202694579U CN202694579U CN 201220329619 CN201220329619U CN202694579U CN 202694579 U CN202694579 U CN 202694579U CN 201220329619 CN201220329619 CN 201220329619 CN 201220329619 U CN201220329619 U CN 201220329619U CN 202694579 U CN202694579 U CN 202694579U
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Abstract
The utility model provides a dynamic control system for a traffic signal lamp, which comprises a command and control center main machine and an intersection signal lamp control unit, wherein the intersection signal lamp control unit is in communication connection with the command and control center main machine through a GPRS (General Packet Radio Service) network; the intersection signal lamp control unit is connected with a traffic signal lamp controller, a vehicle detector and a red and green lamp circuit; one set of traffic signal lamp controller is arranged for each intersection signal lamp control unit; one vehicle detector is embedded below a pavement behind a forbidden line of each branch road of each intersection; and the traffic signal lamp controller comprises a single chip microcomputer, a vehicle information acquisition module, a red and green lamp control module, a GPRS wireless transmission module, an indicating module and a power supply module. The dynamic control system has the benefits that the red and green lamp switching time can be automatically adjusted according to the real-time vehicle conditions and the road conditions, and the congestion probability of urban roads is maximally reduced to ensure smooth traffic.
Description
Technical field
The utility model relates to urban ground Traffic signal control technical field, is specifically related to the city traffic signal lamp kinetic-control system based on GPRS communication.
Background technology
Be accompanied by popularizing of automobile, big or middle urban traffic congestion phenomenon is day by day serious.The urban ground traffic control mainly relies on traffic lights, i.e. usually said traffic lights.At present, in the domestic traffic lights traffic control system, generally adopt the set time switching time of traffic lights or adopt the regular time interval is set at times, manually adjust the time interval by traffic control department according to the traffic at a certain highway section or crossing exactly in addition.The shortcoming of above-mentioned this traditional Traffic signal control pattern is: can not be according to real-time traffic, carry out the adjustment in the dynamic traffic lights time interval, the forbidden overlong time of red light on the large direction of the vehicle flowrate of intersection easily appears, vehicle in a large number overstocks to cause and blocks up, and relatively lacks car, do not have the direction of car the phenomenon that green time wastes to occur.Simultaneously, in traditional Traffic signal control pattern, there be not effective and reasonable being connected on the set of time of the setting of the time of traffic lights at a certain crossing and next or a plurality of relative traffic lights, thereby can not adjust in advance and intervene according to the overall state of road traffic, to prevent that the city local traffic from worsening, often can only crowded rear commander by the traffic manpower intervention occur in traffic and dredge, cause the urban pavement traffic efficiency lower.
GPRS is that the English of GPRS (General Packet Radio Service) is called for short, and is professional in existing gsm system development a kind of new packet data bearers out.GPRS is a kind of network carrying mode, has resource sharing, enriches the characteristics such as bandwidth, and the data service of the low discharge high-frequencies such as remote monitoring, global enumeration transmission is particularly suitable for the application of GPRS network.GPRS is the mainstream technology that supports China Mobile " mobile dream network ".Domestic mobile GPRS network has covered all provinces of the whole nation, municipality directly under the Central Government, autonomous region at present, and network spreads all over more than 240 city.All obtained using preferably based on the application system of GPRS network exploitation such as long-range power recorder system etc.
The utility model content
The purpose of this utility model is: for the problem and shortage of traditional traffic light control system existence, a kind of traffic lights kinetic-control system based on GPRS communication is provided, can carry out automatically that traffic lights switch and the adjustment of traffic lights switching time according to real-time car feelings and road conditions, reduce to greatest extent the urban road congestion probability, guarantee has a good transport and communication network.
The technical solution of the utility model is: traffic lights kinetic-control system of the present utility model comprises the command and control center main frame that is arranged on traffic administration command centre and the belisha beacon control module that is arranged on each intersection; Above-mentioned belisha beacon control module comprises the traffic lights circuit that is arranged at each distributor road top, intersection, and the traffic lights circuit has the control end of its red/Huang of control/green light conversion; Its design feature is: above-mentioned belisha beacon control module also comprises traffic light controller and wagon detector; Above-mentioned traffic light controller arranges a cover in each belisha beacon control module; Traffic light controller is provided with detection signal input end, traffic lights control signal output terminal and GPRS signal transmitter and receiver mouth, and the GPRS signal transmitter and receiver mouth of traffic light controller is the GPRS signal transmitter and receiver mouth of belisha beacon control module; Above-mentioned wagon detector is buried one underground under the road surface behind the forbidden line of each distributor road of each intersection, wagon detector is provided with the detection signal output terminal; The detection signal output terminal of each above-mentioned wagon detector is electrically connected with the corresponding detection signals input end of traffic light controller respectively, and each port of the traffic lights control signal output terminal of traffic light controller is electrically connected with each port of corresponding each control end of each traffic lights circuit; Above-mentioned belisha beacon control module and command and control center main frame communicate to connect by GPRS network.
Further scheme is: above-mentioned traffic light controller comprises single-chip microcomputer, collecting vehicle information module, traffic lights control module, GPRS wireless transport module, indicating module and power module; The output terminal of above-mentioned power module is electrically connected with single-chip microcomputer, collecting vehicle information module, traffic lights control module, GPRS wireless transport module and indicating module power end separately respectively; Above-mentioned collecting vehicle information module and traffic lights control module all have signal input part and signal output part; The signal input part of collecting vehicle information module is the detection signal input end of traffic light controller; The GPRS wireless transport module has GPRS signal transmitter and receiver mouth and communication port; Indicating module has the indicator signal input end; Single-chip microcomputer has information of vehicles signal input part, traffic light signal output terminal, GPRS communication port and indicator signal output terminal;
The signal output part of collecting vehicle information module is electrically connected with the information of vehicles signal input part of single-chip microcomputer; The signal input part of traffic lights control module is electrically connected with the traffic light signal output terminal of single-chip microcomputer; The signal output part of traffic lights control module is the traffic lights control signal output terminal of traffic light controller; The two-way electrical connection of GPRS communication ends of the communication port of GPRS wireless transport module and single-chip microcomputer; The GPRS signal transmitter and receiver mouth of GPRS wireless transport module is the GPRS signal transmitter and receiver mouth of traffic light controller; The indicator signal input end of indicating module is electrically connected with the indicator signal output terminal of single-chip microcomputer.
The good effect that the utlity model has: (1) traffic lights kinetic-control system of the present utility model, can carry out automatically that traffic lights switch and the adjustment of traffic lights switching time according to real-time car feelings and road conditions, reduce to greatest extent the urban road congestion probability, guarantee has a good transport and communication network.(2) special circumstances occur at a certain crossing and produce when blocking up, the end host of the command and control center of traffic control central task personnel by being located at the traffic control center carries out remote manual intervention to the traffic lights at this crossing.
Description of drawings
Fig. 1 is circuit block diagram of the present utility model;
Fig. 2 is the circuit block diagram of belisha beacon control module among Fig. 1;
Fig. 3 is the circuit block diagram of the traffic light controller among Fig. 2.
Reference numeral in the above-mentioned accompanying drawing is as follows:
Command and control center main frame 1,
Belisha beacon control module 2,
Wagon detector 22, traffic lights circuit 23.
Embodiment
The utility model is described in more detail below in conjunction with the drawings and specific embodiments:
(embodiment 1)
See Fig. 1, the traffic lights kinetic-control system of the present embodiment is comprised of the command and control center main frame 1 that is arranged on urban traffic control command centre and the belisha beacon control module 2 that is arranged on urban road junction.
Aforesaid command and control center main frame 1 is a kind of computer system with large data processing capacity and GPRS signal transmitter and receiver mouth; Belisha beacon control module 2 has GPRS signal transmitter and receiver mouth, and this GPRS signal transmitter and receiver mouth is the communicating wireless signals port that the GPRS signal transmitter and receiver mouth with command and control center main frame 1 is complementary.The quantity of belisha beacon control module 2 arranges a belisha beacon control module 2 according to actual needs in each intersection.During use, all belisha beacon control modules 2 are by GPRS signal transmitter and receiver mouth and command and control center main frame 1 communication connection of its GPRS signal transmitter and receiver mouth by GPRS cordless communication network and command and control center main frame 1.
See Fig. 2, the belisha beacon control module 2 that each intersection arranges forms by traffic light controller 21, wagon detector 22 and traffic lights circuit 23.Traffic light controller 21 is provided with detection signal input end, traffic lights control signal output terminal and GPRS signal transmitter and receiver mouth.The GPRS signal transmitter and receiver mouth of traffic light controller 21 is the GPRS signal transmitter and receiver mouth of belisha beacon control module 2.The signal lamp control module 2 of each intersection is provided with a traffic light controller 21, and the port number of the detection signal input end of traffic light controller 21 equates with the quantity of wagon detector 22.Wagon detector 22 is provided with the detection signal output terminal, and wagon detector 22 is buried one underground under the road surface of the forbidden line back at each branch crossing.Traffic lights circuit 23 is provided with each port that the conversion of control its red/Huang/green light and each color lamp are lighted the control end of time.Each top, branch crossing of intersection arranges a cover traffic lights circuit 23.The detection signal output terminal of each wagon detector 22 is electrically connected with the corresponding port of the detection signal input end of traffic light controller 21, and each port of the traffic lights control signal output terminal of traffic light controller 21 is electrically connected with each port of corresponding each control end of each traffic lights circuit 23.
See Fig. 3, aforesaid traffic light controller 21 is comprised of single-chip microcomputer 21-1, collecting vehicle information module 21-2, traffic lights control module 21-3, GPRS wireless transport module 21-4, indicating module 21-5 and power module 21-6.The output terminal of power module 21-6 is electrically connected with the power end separately of single-chip microcomputer 21-1, collecting vehicle information module 21-2, traffic lights control module 21-3, GPRS wireless transport module 21-4 and indicating module 21-5 respectively, thereby provides working power for each circuit module.Collecting vehicle information module 21-2 and traffic lights control module 21-3 all have signal input part and signal output part; The signal input part of collecting vehicle information module 21-2 is the detection signal input end of traffic light controller 21.GPRS wireless transport module 21-4 has GPRS signal transmitter and receiver mouth and communication port; Indicating module 21-5 has the indicator signal input end; Single-chip microcomputer 21-1 has information of vehicles signal input part, traffic light signal output terminal, GPRS communication port and indicator signal output terminal.
The signal input part of the collecting vehicle information module 21-2 of traffic light controller 21 is the detection signal input end of traffic light controller 21, and its each port is electrically connected with the detection signal output terminal of a corresponding wagon detector 22.The signal output part of collecting vehicle information module 21-2 is electrically connected with the information of vehicles signal input part of single-chip microcomputer 21-1; The signal input part of traffic lights control module 21-3 is electrically connected with the traffic light signal output terminal of single-chip microcomputer 21-1; The signal output part of traffic lights control module 21-3 is the traffic lights control signal output terminal of traffic light controller 21, and its each port is electrically connected with a corresponding port of the control end of corresponding traffic lights circuit 23.The two-way electrical connection of GPRS communication ends of the communication port of GPRS wireless transport module 21-4 and single-chip microcomputer 21-1; The GPRS signal transmitter and receiver mouth of GPRS wireless transport module 21-4 is the GPRS signal transmitter and receiver mouth of traffic light controller 21; The indicator signal input end of indicating module 21-5 is electrically connected with the indicator signal output terminal of single-chip microcomputer 21-1.
The wagon detector 22 of aforesaid belisha beacon control module 2 is Loop Vehicle Detector.The principle of work of Loop Vehicle Detector is: behind the vehicle process toroid winding of Loop Vehicle Detector, winding inductance quantity is changed, detecting device internal circuit oscillation frequency changes along with the variation of winding inductance quantity, sends the impulse level signal.Being transferred to single-chip microcomputer 21-1 through the collecting vehicle information module 21-2 of traffic light controller 21 processes.In the present embodiment, the model that gold Hainan Airlines electronics technology company limited in the preferred Shenzhen of the model of wagon detector 22 produces is the loop vehicle detector of JH-CJ-106.This type Loop Vehicle Detector has 3 working coils, and a branch of this intersection of three working coils is the subsurface in three tracks of turning left, keep straight on and turn right behind the forbidden line of road product respectively, the vehicle fleet size that passes through to detect each track.If the track quantity at this branch crossing more than more than 3 roads, then can be buried an identical wagon detector 22 underground again.
The model that the preferred American ATMEL of single-chip microcomputer 21-1 is produced is AT89C52 type single-chip microcomputer.
The course of work of the traffic lights kinetic-control system of the present embodiment such as following:
When vehicle is arranged through wagon detector 22, wagon detector 22 produces corresponding pulse signal, and send single-chip microcomputer 21-1 to by the collecting vehicle information module 21-2 of traffic light controller 21, single-chip microcomputer 21-1 processes according to the information of vehicles that default control program passes through the crossing that collects, and pass through traffic lights control module 21-3 according to result and export control signal to the control end of traffic lights circuit 23, control in real time the time that traffic lights switch, realization to traffic lights dynamic adjustment and the control of switching time, keeps the vehicle pass-through of intersection to be in best current state according to the current real time status of road vehicle.Traffic light controller 21 also carries out the radio communication of GPRS signal in real time with the command and control center main frame 1 that is arranged on point duty control center by its GPRS wireless transport module 21-4 simultaneously, traffic control department personnel can issue traffic information to society in real time according to the traffic information that command and control center main frame 1 receives, and when a certain crossing occurs such as special circumstances such as traffic hazards, directly the traffic light controller 21 to this crossing sends instruction, carries out the remote handle intervention.The indicating module 21-5 of traffic light controller 21 is used for showing the duty of traffic light controller 21, if traffic light controller 21 operation irregularities, then the corresponding demonstration fault indication signal of indicating module 21-5 meeting is found and maintenance so that managerial personnel are timely.
Above embodiment is the explanation to embodiment of the present utility model; but not to restriction of the present utility model; person skilled in the relevant technique is not in the situation that break away from spirit and scope of the present utility model; can also make various conversion and obtain the corresponding technical scheme that is equal to variation, so all technical schemes that are equal to all should be included into scope of patent protection of the present utility model.
Claims (2)
1. a traffic lights kinetic-control system comprises the command and control center main frame (1) that is arranged on traffic administration command centre and the belisha beacon control module (2) that is arranged on each intersection; Described belisha beacon control module (2) comprises the traffic lights circuit (23) that is arranged at each distributor road top, intersection, and traffic lights circuit (23) has the control end of its red/Huang of control/green light conversion; It is characterized in that: described belisha beacon control module (2) also comprises traffic light controller (21) and wagon detector (22); Described traffic light controller (21) arranges a cover in each belisha beacon control module (2); Traffic light controller (21) is provided with detection signal input end, traffic lights control signal output terminal and GPRS signal transmitter and receiver mouth, and the GPRS signal transmitter and receiver mouth of traffic light controller (21) is the GPRS signal transmitter and receiver mouth of belisha beacon control module (2); Described wagon detector (22) is buried one underground under the road surface behind the forbidden line of each distributor road of each intersection, wagon detector (22) is provided with the detection signal output terminal; The detection signal output terminal of described each wagon detector (22) is electrically connected with the corresponding detection signals input end of traffic light controller (21) respectively, and each port of the traffic lights control signal output terminal of traffic light controller (21) is electrically connected with each port of corresponding each control end of each traffic lights circuit (23); Described belisha beacon control module (2) communicates to connect by GPRS network with command and control center main frame (1).
2. traffic lights kinetic-control system according to claim 1, it is characterized in that: described traffic light controller (21) comprises single-chip microcomputer (21-1), collecting vehicle information module (21-2), traffic lights control module (21-3), GPRS wireless transport module (21-4), indicating module (21-5) and power module (21-6); The output terminal of described power module (21-6) is electrically connected with single-chip microcomputer (21-1), collecting vehicle information module (21-2), traffic lights control module (21-3), GPRS wireless transport module (21-4) and indicating module (21-5) power end separately respectively; Described collecting vehicle information module (21-2) and traffic lights control module (21-3) all have signal input part and signal output part; The signal input part of collecting vehicle information module (21-2) is the detection signal input end of traffic light controller (21); GPRS wireless transport module (21-4) has GPRS signal transmitter and receiver mouth and communication port; Indicating module (21-5) has the indicator signal input end; Single-chip microcomputer (21-1) has information of vehicles signal input part, traffic light signal output terminal, GPRS communication port and indicator signal output terminal;
The signal output part of collecting vehicle information module (21-2) is electrically connected with the information of vehicles signal input part of single-chip microcomputer (21-1); The signal input part of traffic lights control module (21-3) is electrically connected with the traffic light signal output terminal of single-chip microcomputer (21-1); The signal output part of traffic lights control module (21-3) is the traffic lights control signal output terminal of traffic light controller (21); The two-way electrical connection of GPRS communication ends of the communication port of GPRS wireless transport module (21-4) and single-chip microcomputer (21-1); The GPRS signal transmitter and receiver mouth of GPRS wireless transport module (21-4) is the GPRS signal transmitter and receiver mouth of traffic light controller (21); The indicator signal input end of indicating module (21-5) is electrically connected with the indicator signal output terminal of single-chip microcomputer (21-1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220329619 CN202694579U (en) | 2012-07-09 | 2012-07-09 | Dynamic control system for traffic signal lamp |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201220329619 CN202694579U (en) | 2012-07-09 | 2012-07-09 | Dynamic control system for traffic signal lamp |
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| CN 201220329619 Expired - Fee Related CN202694579U (en) | 2012-07-09 | 2012-07-09 | Dynamic control system for traffic signal lamp |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489319A (en) * | 2013-09-27 | 2014-01-01 | 黑龙江八一农垦大学 | Traffic site video intelligent command and control system |
| CN105118309A (en) * | 2015-07-21 | 2015-12-02 | 陈丹 | Traffic signal light control system and traffic control method |
| CN105489025A (en) * | 2015-12-13 | 2016-04-13 | 安徽科力信息产业有限责任公司 | Fault detection device and detection method thereof for traffic crossing vehicle detector |
| CN106128124A (en) * | 2016-07-21 | 2016-11-16 | 曹蕊 | A kind of intelligent traffic light control device and method |
| CN114373312A (en) * | 2022-01-13 | 2022-04-19 | 南京融才交通科技研究院有限公司 | Urban traffic intelligent control method and system based on traffic informatization |
-
2012
- 2012-07-09 CN CN 201220329619 patent/CN202694579U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103489319A (en) * | 2013-09-27 | 2014-01-01 | 黑龙江八一农垦大学 | Traffic site video intelligent command and control system |
| CN103489319B (en) * | 2013-09-27 | 2016-01-13 | 黑龙江八一农垦大学 | Traffic scene video intelligent command and control system |
| CN105118309A (en) * | 2015-07-21 | 2015-12-02 | 陈丹 | Traffic signal light control system and traffic control method |
| CN105489025A (en) * | 2015-12-13 | 2016-04-13 | 安徽科力信息产业有限责任公司 | Fault detection device and detection method thereof for traffic crossing vehicle detector |
| CN105489025B (en) * | 2015-12-13 | 2017-12-29 | 安徽科力信息产业有限责任公司 | A kind of failure detector and its detection method for traffic road junction wagon detector |
| CN106128124A (en) * | 2016-07-21 | 2016-11-16 | 曹蕊 | A kind of intelligent traffic light control device and method |
| CN114373312A (en) * | 2022-01-13 | 2022-04-19 | 南京融才交通科技研究院有限公司 | Urban traffic intelligent control method and system based on traffic informatization |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130123 Termination date: 20150709 |
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| EXPY | Termination of patent right or utility model |