CN204215561U - A kind of road traffic signal controller and control system - Google Patents
A kind of road traffic signal controller and control system Download PDFInfo
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- CN204215561U CN204215561U CN201420600281.XU CN201420600281U CN204215561U CN 204215561 U CN204215561 U CN 204215561U CN 201420600281 U CN201420600281 U CN 201420600281U CN 204215561 U CN204215561 U CN 204215561U
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Abstract
The utility model belongs to technical field of traffic signal control, particularly relate to a kind of road traffic signal controller and control system, road traffic signal controller of the present utility model comprises main control module, communication module, touch screen display load module, power module, storage module and lamp control output module, and the display of described communication module, touch screen load module, power module, storage module and lamp control output module are all electrically connected with main control module.The utility model provides the road traffic signal controller and control system that a kind of real-time control efficiency is high and vehicle pass-through efficiency is high.
Description
Technical field
The utility model belongs to technical field of traffic signal control, particularly relates to a kind of road traffic signal controller and control system.
Background technology
Along with the progress of science and technology, the fast development of modern city, the traffic blocking problem in city is on the rise, especially in peak time sooner or later on and off duty, the various motor vehicle that road junction is current and bicycle easily mutually scramble for roads and traffic hazard occur, so except the sense of traffic improving driver and pedestrian, also need the control ability urgently improving road junction signal lamp.The road traffic signal controller of prior art, usual employing single-chip microcomputer is microprocessor, the mode of RS232 serial communication, according to the preset parameter controlling run of setting, lack host computer and Long-distance Control is carried out to intersection annunciator, as need be adjusted traffic signals temporarily, usually need traffic police scene to carry out regulating and controlling with the light color and the time that control signal light path to intersection annunciator temporarily, on-the-spot regulation and control cannot carry out unified allocation of resources to multiple crossing, can only carry out the regulation and control of single signal machine.Along with the current raising of road traffic control complicacy and the increase of the magnitude of traffic flow, there are the following problems when reality uses for this road traffic signal controller:
1, during track clearance vehicle, in the out of phase of crossroad, the vehicle clearance time is identical, and the side that vehicle is many easily occurs that vehicle is piled up, and causes the traffic jam at next crossing; When in certain phase place without car time, be the vehicle pass-through time in this phase place just, then during this period of time, just occurred point duty blind spot, the real-time control efficiency of teleseme to signal light path is poor.
2, crossing in case of emergency, and need traffic police scene to carry out regulating and controlling with the light color and the time that control signal light path to intersection annunciator, control methods need manually adjustment, not only add traffic police's labour intensity, and vehicle pass-through efficiency are also poor temporarily.
Utility model content
Fundamental purpose of the present utility model is to solve problems of the prior art, provides a kind of real-time control efficiency is high and vehicle pass-through efficiency is high road traffic signal controller and control system.
The technical matters that the utility model solves realizes by the following technical solutions:
A kind of road traffic signal controller, comprise main control module, communication module, touch screen display load module, power module, storage module and lamp control output module, described communication module, touch screen display load module, power module, storage module and lamp control output module are all electrically connected with main control module, described communication module receives the status information of exterior vehicle and information is passed to main control module process, signal data after process to be stored in storage module and to be shown by touch screen display load module by described main control module, when to meet in storage module pre-conditioned for signal data, send instruction by main control module to open and close to control outside road signal lamp to lamp control output module.
Institute's main control module comprises microprocessor, serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit, described serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit are all electrically connected with microprocessor, described microprocessor is connecting lamp control output module and power module also, described serial expanded circuit and the equal connecting communication module of I/O port expansion circuit, described memory expansion circuit connects nonvolatile storage module, described dummy keyboard display circuit connects touch screen display load module.
Described main control module and lamp control output module are also provided with fault detection module, and described fault detection module detects main control module and lamp control output module operation troubles in real time.
Described power module is the lightning protection power source module adding lightning arrester.
The utility model additionally provides a kind of road traffic signal control system, comprise road traffic signal controller as above, also comprise tactical vehicle detecting device, vehicle detection module and signal light path, described tactical vehicle detecting device is all connected with communication module with vehicle detection module, described signal light path is connected with lamp control output module, the car status information of detection is passed to main control module process by communication module by described tactical vehicle detecting device and vehicle detection module, signal data after process is stored in storage module and compares with pre-conditioned in storage module by described main control module, when to meet in storage module pre-conditioned for signal data, send instruction by main control module to open and close to control outside road signal lamp to lamp control output module.
As above road traffic signal control system also comprises upper control machine, described upper control machine is connected with microprocessor by network interface circuit, described upper control machine transmits control signal to microprocessor, microprocessor reception control signal also, after process, is stored in storage module or sends instruction to lamp control output module to control signal light path action.
As above road traffic signal control system also comprises portable test machine and hand switch, and described portable test machine connects microprocessor by communication module, for the detection of microprocessor data and and extract; Described hand switch directly connects microprocessor, inputs manual command by microprocessor to signal light path.
Described tactical vehicle detecting device adopts one or more in coil type checkout equipment, radio frequency checkout equipment, infrared detection equipment and GPS checkout equipment.
The beneficial effects of the utility model are:
1, road traffic signal controller of the present utility model, the inner integrated microprocessor of main control module, serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit, microprocessor peripheral expansion serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit are by the functional type of microprocessor, interface quantity, storage area promotes more, the function of extreme enrichment main control module and peripheral control kind, main control module periphery is connected with communication module, touch screen display load module, power module, storage module and lamp control output module, communication module can Real-time Collection transport information, touch screen display load module can show Information Monitoring and accept setting parameter etc., main control module receives communication module Information Monitoring, come to send command adapted thereto to lamp control output module according to Information Monitoring, realize real-time sampling of traffic information and control.
2, road traffic signal control system of the present utility model, vehicle detection module can to vehicle flowrate, the speed of a motor vehicle, vehicle classification, car is queued up and the data of pedestrian's flow detect, extreme enrichment collection in worksite kind and data volume, more applicable steering order can be exported to lamp control output module after main control module analyzing and processing collection in worksite data, lamp control output module triggers and regulates signal light path to open and close, main control module opens and closes state according to the steering order signal light path that more closing to reality needs gathering the more data message analyzing and processing of kind, increase real-time control efficiency, tactical vehicle detecting device can also detect vehicle and cover stop line situation, send instruction to lamp control output module according to vehicle line ball situation main control module, lamp control output module triggers regulate signal light path many prolongations unit interval allow this line is busy vehicle by this crossing.
3, road traffic signal control system of the present utility model manually can enter manual mode by switch, have and automatically control and Non-follow control two kinds of control modes, the vehicle flowrate that main control module can detect according to vehicle detection module, the speed of a motor vehicle, vehicle classification, car is queued up, the transport information statistical conditions of pedestrian's flow, control automatically and any one control mode of Non-follow control is selected to regulate signal light path to open and close by lamp control output module, when there is emergency vehicle in crossing, MANUAL CONTROL mode can adjust signal light path in time and open and close, the real-time control efficiency of very big raising, vehicle pass-through efficiency is greatly improved.
Accompanying drawing explanation
Fig. 1 is the theory diagram of road traffic signal controller of the present utility model;
Fig. 2 is the theory diagram of road traffic signal control system of the present utility model;
Embodiment
Below in conjunction with accompanying drawing 1-Fig. 2, the utility model is described further:
Embodiment:
The technical solution of the utility model relates to road traffic signal controller and control system two themes, below elaborates.
As shown in Figure 1, a kind of road traffic signal controller, it is characterized in that: comprise main control module, communication module, touch screen display load module, power module, storage module and lamp control output module, described communication module, touch screen display load module, power module, storage module and lamp control output module are all electrically connected with main control module, described communication module receives the status information of exterior vehicle and information is passed to main control module process, signal data after process to be stored in storage module and to be shown by touch screen display load module by described main control module, when to meet in storage module pre-conditioned for signal data, send instruction by main control module to open and close to control outside road signal lamp to lamp control output module.
Institute's main control module comprises microprocessor, serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit, described serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit are all electrically connected with microprocessor, described microprocessor is connecting lamp control output module and power module also, described serial expanded circuit and the equal connecting communication module of I/O port expansion circuit, described memory expansion circuit connects nonvolatile storage module, described dummy keyboard display circuit connects touch screen display load module.
Described main control module and lamp control output module are also provided with fault detection module, and described fault detection module detects main control module and lamp control output module operation troubles in real time.Fault detection module is single-point independently fault detection module, detects in real time and records red green with the autodiagnosis such as bright, green and green conflict, red light extinguishing, power fail, Detection Information exception, hand switch unlatching, AC220V power failure, cresset output closedown, communication off-line, lamp control output module fault, abnormal, the on-the-spot change controling parameters of timing parameter.
Described power module is the lightning protection power source module adding lightning arrester.When thunder and lightning is overcast and rainy, lightning protection power source module can avoid teleseme transient overvoltage make the equipment of teleseme or component damage, casualties, transmission or storage data be interfered or lose, teleseme produces mistake and exports or the phenomenon such as temporarily paralysis.
The inner integrated microprocessor of main control module of road traffic signal controller, serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit, microprocessor peripheral expansion serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit are by the functional type of microprocessor, interface quantity, storage area promotes more, the function of extreme enrichment main control module and peripheral control kind, main control module periphery is connected with communication module, touch screen display load module, power module, storage module and lamp control output module, communication module can Real-time Collection transport information, touch screen display load module can show Information Monitoring and accept setting parameter etc., main control module receives communication module Information Monitoring, come to send command adapted thereto to lamp control output module according to Information Monitoring, realize real-time sampling of traffic information and control.
As shown in Figure 2, the utility model additionally provides a kind of road traffic signal control system, comprise road traffic signal controller as above, also comprise tactical vehicle detecting device, vehicle detection module and signal light path, described tactical vehicle detecting device is all connected with communication module with vehicle detection module, described signal light path is connected with lamp control output module, the car status information of detection is passed to main control module process by communication module by described tactical vehicle detecting device and vehicle detection module, signal data after process is stored in storage module and compares with pre-conditioned in storage module by described main control module, when to meet in storage module pre-conditioned for signal data, send instruction by main control module to open and close to control outside road signal lamp to lamp control output module.
The vehicle detection module of road traffic signal control system can to vehicle flowrate, the speed of a motor vehicle, vehicle classification, car is queued up and the data of pedestrian's flow detect, extreme enrichment collection in worksite kind and data volume, more applicable steering order can be exported to lamp control output module after main control module analyzing and processing collection in worksite data, lamp control output module triggers and regulates signal light path to open and close, main control module opens and closes state according to the steering order signal light path that more closing to reality needs gathering the more data message analyzing and processing of kind, increase real-time control efficiency, tactical vehicle detecting device can also detect vehicle and cover stop line situation, send instruction to lamp control output module according to vehicle line ball situation main control module, lamp control output module triggers regulate signal light path many prolongations unit interval allow this line is busy vehicle by this crossing.
As above road traffic signal control system also comprises upper control machine, described upper control machine is connected with microprocessor by network interface circuit, described upper control machine transmits control signal to microprocessor, microprocessor reception control signal also, after process, is stored in storage module or sends instruction to lamp control output module to control signal light path action.
As above road traffic signal control system also comprises portable test machine and hand switch, and described portable test machine connects microprocessor by communication module, for the detection of microprocessor data and and extract; Described hand switch directly connects microprocessor, inputs manual command by microprocessor to signal light path.
Road traffic signal control system manually can enter manual mode by switch, have and automatically control and Non-follow control two kinds of control modes, the vehicle flowrate that main control module can detect according to vehicle detection module, the speed of a motor vehicle, vehicle classification, car is queued up, the transport information statistical conditions of pedestrian's flow, control automatically and any one control mode of Non-follow control is selected to regulate signal light path to open and close by lamp control output module, when there is emergency vehicle in crossing, MANUAL CONTROL mode can make adjustment in time signal light path open and close, the real-time control efficiency of very big raising, vehicle pass-through efficiency is greatly improved.
During road traffic signal control system operation work, first the setting of various signal controling parameters is carried out by touch screen display load module, microprocessor can carry out data transmission with the upper control machine of traffic control center by network interface circuit, perform the steering order that PC control machine is assigned, this teleseme also can independently use as single-point adaptive control machine, microprocessor utilizes communication module to send instruction to vehicle detection module by I/O port expansion circuit, vehicle detection module is made to start vehicle flowrate, the speed of a motor vehicle, vehicle classification, car is queued up and the data of pedestrian's flow detect, the all data messages detected are recycled communication modules by I/O port expansion circuit to microprocessor real-time Transmission by vehicle detection module, microprocessor by the mass data information storage that detects to memory expansion circuit, microprocessor sends corresponding steering order to lamp control output module after carrying out Treatment Analysis to the data detected, lamp control output module triggers according to the steering order received and regulates signal light path to open and close, during system worked well, when tactical vehicle detecting device has detected that vehicle covers stop line, communication module can be utilized to send signal by serial expanded circuit to microprocessor, microprocessor is by sending corresponding steering order to lamp control output module after Treatment Analysis, lamp control output module triggers according to the steering order received and extends signal light path green time, ensure that vehicle can safety at the end of green light soon, independently fault detection module carries out fault detect to lamp control output module and microprocessor respectively simultaneously, power module is respectively microprocessor and fault detection module is powered.When teleseme breaks down, portable test machine can carry out fault detect and performance evaluation by communication module to teleseme, finds out failure cause.
Described tactical vehicle detecting device adopts one or more in coil type checkout equipment, radio frequency checkout equipment, infrared detection equipment and GPS checkout equipment.Whether tactical vehicle detecting device mainly detects has vehicle to be pressed in checkout equipment on stop line, has judged whether that vehicle is pressed on stop line, thus starts the action of a prolongation unit green time;
Coil type checkout equipment is a kind of based on electromagnetic induction principle vehicle equipment, under toroid winding being embedded in stop line road surface, when vehicle is on annular ground buried coil, vehicle self irony cutting magnetic flux line causes the change of wire loop inductance value, and detection information of vehicles is sent to signal controlling machine by coil type checkout equipment again.
Radio frequency checkout equipment is arranged between vehicle and teleseme by transponder or trackside receiver, when vehicle arrives stop line, Detection Information sent to teleseme by transponder;
Infrared detection equipment, the wireless launcher of device certain frequency light signal on vehicle, sends different frequency light signal when variety classes vehicle covers stop line, then by wireless launcher, information is sent to teleseme;
GPS checkout equipment, when vehicle covers stop line and when GPS arrives the default detection zone of longitude and latitude institute of specifying, vehicle module wireless transmission information is to teleseme.
The reduced parameter of the above checkout equipment of following expression below
Road traffic signal control method, is applied in as above in road traffic signal control system, comprises the steps:
A, road traffic signal control system initialization, tactical vehicle detecting device and vehicle detection module are started working,
B, road traffic signal control system enter automatic control mode,
The information of the queuing of C, vehicle detection module inspection vehicle flow, the speed of a motor vehicle, vehicle classification, car and pedestrian's flow, pass to microprocessor processes, data after process are stored in storage module and compare (as vehicle meets predetermined condition with pre-conditioned in storage module, the current not smooth situation such as speed compliance traffic congestion, whether queuing situation is serious, extend the situation of the emergency treatment that green light prior-vehicle can not pass through, whether pedestrian makes a dash across the red light exactly), when signal data meets default priority condition in storage module, enter next step, otherwise, enter step B;
D, execution instruction signal light path start priority acccess control, described priority acccess control refers to, when police car, emergency wrecker, BRT bus isopreference vehicle appear in phase place, signal light path performs: extend green time or shorten red time, ensures that prior-vehicle is quickly through crossing;
E, when tactical vehicle detecting device detect whether have car to cover stop line time, yes, enter next step, otherwise enter step B;
F, indicator signal light path perform and extend this phase place unit green time and allow this line is busy vehicle by this crossing;
Further, after step B, also comprise step B1: when vehicle detection module detects that emergency vehicle appears in phase place, enter emergency control pattern, non-emergent phase place enters cleans the street with entirely red, and emergency vehicle phase place opens green light and airing of views alarm.
Vehicle flowrate by gathering in road traffic signal control method, the speed of a motor vehicle, vehicle classification, car is queued up and pedestrian's flow information, the opening and closing time of accurate estimation signal light path, the induction realizing traffic intersection controls, avoid the jams and vehicle waits for too long, there is police car at crossing simultaneously, emergency wrecker, BRT bus isopreference vehicle etc., realize roadway sign lantern festival by the sequence of operations of automatic control mode extend green time or shorten red time, thus ensure that prior-vehicle is quickly through crossing, greatly improve the reliability of Systematical control, when when there is emergency vehicle (as train), can by starting emergency control pattern, forbid the current of other vehicle, and and airing of views alarm warn other traffic participants and note, avoid security incident, thus reach the intelligentized control method of road traffic signal, highest security controls object.
Utilize technical scheme described in the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection domain of the present utility model.
Claims (7)
1. a road traffic signal controller, it is characterized in that: comprise main control module, communication module, touch screen display load module, power module, storage module and lamp control output module, described communication module, touch screen display load module, power module, storage module and lamp control output module are all electrically connected with main control module, institute's main control module comprises microprocessor, serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit, described serial expanded circuit, I/O port expansion circuit, memory expansion circuit, network interface circuit and dummy keyboard display circuit are all electrically connected with microprocessor, described microprocessor is connecting lamp control output module and power module also, described serial expanded circuit and the equal connecting communication module of I/O port expansion circuit, described memory expansion circuit connects storage module, described dummy keyboard display circuit connects touch screen display load module.
2. a kind of road traffic signal controller according to claim 1, is characterized in that: described main control module and lamp control output module are also provided with fault detection module.
3. a kind of road traffic signal controller according to claim 1, is characterized in that: described power module is the lightning protection power source module adding lightning arrester.
4. a road traffic signal control system, comprise the arbitrary described road traffic signal controller of claim 1-3, it is characterized in that: also comprise tactical vehicle detecting device, vehicle detection module and signal light path, described tactical vehicle detecting device is all connected with communication module with vehicle detection module, and described signal light path is connected with lamp control output module.
5. a kind of road traffic signal control system according to claim 4, is characterized in that: also comprise upper control machine, and described upper control machine is connected with microprocessor by network interface circuit.
6. a kind of road traffic signal control system according to claim 4, is characterized in that: also comprise portable test machine and hand switch, described portable test machine connects microprocessor by communication module, and described hand switch directly connects microprocessor.
7. a kind of road traffic signal control system according to claim 4, is characterized in that: described tactical vehicle detecting device adopts one or more in coil type checkout equipment, radio frequency checkout equipment, infrared detection equipment and GPS checkout equipment.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070071A (en) * | 2015-08-27 | 2015-11-18 | 烟台大学 | Traffic signal lamp control system and method |
| CN110807928A (en) * | 2019-11-06 | 2020-02-18 | 南京莱斯信息技术股份有限公司 | Statistical evaluation method for bus priority effect |
-
2014
- 2014-10-17 CN CN201420600281.XU patent/CN204215561U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105070071A (en) * | 2015-08-27 | 2015-11-18 | 烟台大学 | Traffic signal lamp control system and method |
| CN110807928A (en) * | 2019-11-06 | 2020-02-18 | 南京莱斯信息技术股份有限公司 | Statistical evaluation method for bus priority effect |
| CN110807928B (en) * | 2019-11-06 | 2021-08-24 | 南京莱斯信息技术股份有限公司 | Statistical evaluation method for bus priority effect |
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Address after: 300350 Tianjin city Jinnan District eight in Taiwan Industrial Park, Tin Wah Road No. 1 Patentee after: TIANJIN YIHUALU INFORMATION TECHNOLOGY CO., LTD. Address before: 300350 Jinnan District, Tianjin, Taiwan Industrial Park in the construction of the two branch No. 11, No. eight Patentee before: MULTITRAN (TIANJIN) TRAFFIC SYSTEM INC. |