CN103065478B - Vehicle and traffic light two-way information exchange controller - Google Patents
Vehicle and traffic light two-way information exchange controller Download PDFInfo
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- CN103065478B CN103065478B CN201210548063.1A CN201210548063A CN103065478B CN 103065478 B CN103065478 B CN 103065478B CN 201210548063 A CN201210548063 A CN 201210548063A CN 103065478 B CN103065478 B CN 103065478B
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Abstract
The invention discloses a vehicle and traffic light two-way information exchange controller. A traffic light intelligent module is connected with a vehicle-mounted intelligent module through a wireless communication module, an input end and an output end of the traffic light intelligent module are respectively connected with a central processing unit (CPU) module and a signal switch module among traffic lights, an output end of the traffic light intelligent module is connected with an input end of a driving circuit, and an output end of the driving circuit is connected with input ends of the traffic lights. The vehicle and traffic light two-way information exchange controller has the advantages that a traffic light system is not controlled by a fixed program, the time for a red light or a green light in each direction can be determined by collected driving direction information of each vehicle and the traffic flow according to information transmitted from every adjacent crossing, and the traffic lights transmit the information collected at the crossing of the traffic lights to adjacent crossings, can collect road condition information of every adjacent road, can transmit the traffic flow information of every adjacent road to a driver in each vehicle, and can display the best running speed or the best running time of each vehicle for passing the next crossing.
Description
Technical field:
The present invention relates to a kind of operation circuit, more precisely, relate to a kind of according to current traffic information reasonable distribution road traffic signal duration, realize traffic lights according to a kind of vehicle of vehicle flowrate and close signal control signal lamp and signal lamp bi-directional exchanges of information controller.
Background technology:
In current society, the raising of people's living standard, motor vehicles get more and more, and the jam that simultaneously also result in traffic is more and more serious.Traditional traffic lights is gradually can not adapt to present current situation of traffic, and conventional traffic light mostly is fixing programmed control, regardless of the size of vehicle flowrate, realizes the conversion of traffic lights according to the time preset.This mode very not science, causes very large waste.In region, crossing, traffic lights is the signal lamp that program is fixed, and all sets, effectively can not control traffic in real time according to road conditions.When individual event vehicle in crossing is little, the current rate of green light is not high, and crossing other direction vehicle flowrate is very large simultaneously, vehicle Deng red light causes vehicle to overstock, huge waste is caused to effective Applicative time of present road, conscientiously for driver considers, the delay of time and the obstruction of traffic can not be caused.
By literature search, Chinese Patent Application No. 201110060845.6 discloses a kind of traffic lights intelligent system, this technology comprises traffic grade case and the display of vehicle mounted traffic lamp and assists warning module, traffic grade case is wirelessly connected with onboard wireless module and transmits traffic light signals and vehicle lane information, onboard wireless module and vehicle mounted traffic lamp show and to be connected with auxiliary warning module and to transmit traffic light signals and lane information, vehicle-mounted lane identification module and vehicle mounted traffic lamp show and to be connected with auxiliary warning module and to export vehicle place lane information, the display of vehicle mounted traffic lamp is with all traffic signals of turning to of assisting warning module to show current crossing and emphasis shows traffic signals in vehicle forward direction, make a dash across the red light early warning and red light of realization becomes green light prompt facility.Its shortcoming is: this technology only relates to the display of traffic signals, and make a dash across the red light early warning and prompt facility, can not effectively improve traffic utilization factor, realizes traffic lights shows the control traffic lights of intelligence duration according to vehicle flowrate and associated traffic light.
Summary of the invention:
Task of the present invention be propose a kind of in time according to current traffic information reasonable distribution road traffic signal duration, and a kind of vehicle that can parking rate be declined according to associated transport information in time and signal lamp bi-directional exchanges of information controller.
Task of the present invention is done in such a way that a kind of vehicle and signal lamp bi-directional exchanges of information controller, it is characterized in that: traffic lights intelligent object is connected by wireless communication module with in the middle of vehicle intelligent module; The input of described traffic lights intelligent object, output terminal respectively and CPU module and and traffic lights between signal exchange model calling, the output terminal of traffic lights intelligent object is connected with the input end of driving circuit, and the output terminal of described driving circuit is connected with the input end of traffic lights.The output terminal of described vehicle intelligent module is connected with display module, and the output terminal of operational module is connected with the input end of vehicle intelligent module.Described traffic lights intelligent object exports traffic light signals to vehicle intelligent module with export traffic lights information to the traffic lights intelligent object at next crossing by information exchange module between traffic lights and receive the vehicle traveling information that vehicle intelligent module exports by wireless communication module, by the vehicle flowrate road conditions of cpu controller process current transmission, adjustment current demand signal lamp duration also generates traffic signal control information to driving circuit, and traffic lights driving circuit is connected with traffic lights and drives traffic lights to show according to the control result received.Described vehicle intelligent module is transferred to traffic lights intelligent object driving information by wireless communication module by operational module, and vehicle intelligent module accepts traffic grade information by wireless communication module, and is shown by display module.Traffic lights intelligent object comprises Programmable Logic Controller hardware, I/0 input/output port, reservoir, described Programmable Logic Controller hardware circuit adopts serial communication single-chip microcomputer 80C320 to do traffic lights process core, expand in addition and controlledly stores RAM chip with program storage E2PROM and static random, serial ports output two-way, a road is as the driving information accepting driver and transmit, another road exports traffic lights display, and described traffic light controller adopts programmable storer; Store therein and actuating logic computing, sequential control, regularly, numeration and the instruction of arithmetical operation, controlled the duration of traffic lights by the input and output of digital quantity or analog quantity, utilize the data that Programmable Logic Controller realizes traffic lights intelligent object; Described driving circuit adopts 74H164 chip, between described traffic lights, signal exchanges module is adopt Programmable Logic Controller hardware, described wireless communication module be one based on GPRS network long distance wireless platform, and carry out data transmission by GPRS communication module and vehicle intelligent module.Described intelligent object comprises pic chip, storer, I/O mouth, described pic chip singlechip chip, and PIC16F877 carries out data processing, is shown to driver by I/O mouth after the traffic lights long message process received by display module LCD; Operational module adopts key mode to be convenient to information transmission.
The present invention has following effect: traffic signal lamp system is not fixing programmed control, the information that can send according to each adjacent intersection, collect each car two line directions, traffic lights duration that vehicle flowrate decides each direction, a certain section can be solved like this because of vehicle flowrate sometime and increase suddenly the urban traffic jam caused.
The crossing that signal lamp sends to oneself adjacent this intersection information collected, also the traffic information of adjacent every bar road can be collected, send to the situation of driver's adjacent road vehicle flowrate of each car, and each car can be demonstrated with best travel speed or time by next crossing, the red light such as to avoid, reduce brake, reduce exhaust emissions.
The lamp system in whole city is mutually related, and vehicle, when by this crossing, can pass through next crossing direction, tell lamp system, signal lamp can be transferred to adjacent signal lamp, and guarantee that vehicle is green light when passing through, such vehicle can pass through smoothly.
Accompanying drawing illustrates:
Fig. 1 is frame structure schematic diagram of the present invention; Fig. 2 is crossroad schematic diagram; Fig. 3 is car-mounted display operation chart.
Embodiment:
Embodiment is described in detail in conjunction with above accompanying drawing, the present invention is by traffic lights intelligent object and vehicle intelligent module composition, described traffic lights intelligent object 5 is made up of signal exchange module 1, traffic lights 2, driving circuit 3, CPU module 4 between traffic lights, described vehicle intelligent module 7 is by display module 8, and operational module 9 is formed; Traffic lights intelligent object is connected by wireless communication module 6 with vehicle intelligent module.The duration control information realizing traffic light signals is passed to vehicle intelligent unit and receives the information of adjacent traffic lamp transmission, and vehicle intelligent unit is transferred to traffic lights vehicle traveling information.Traffic lights intelligent cell is connected with adjacent traffic lamp intelligent cell and mutual signal transmission lamp information.Realize traffic lights and control traffic lights duration according to vehicle flowrate and adjacent signals lamp information.
The input of described traffic lights intelligent object 5, output terminal are exchanged module 1 with signal between CPU module 4 and traffic lights respectively and are connected, the output terminal of traffic lights intelligent object is connected with the input end of driving circuit 3, and the output terminal of described driving circuit is connected with the input end of traffic lights 2.The output terminal of described vehicle intelligent module 7 is connected with display module 8, and the output terminal of operational module 9 is connected with the input end of vehicle intelligent module.
As shown in Figure 1, described traffic lights intelligent object, for transmitting traffic lights duration information to vehicle intelligent module with to the traffic lights intelligent object of next traffic lights, receives the vehicle traveling information that vehicle-mounted control module sends over.Comprise: between traffic light controller, CPU module, driving circuit, traffic lights, signal exchanges module.Wherein: as shown in Figure 3, when crossing H, traffic light controller collects the vehicle flowrate data that D, E, F, G four direction driver sends, and the traffic lights duration information that traffic light controller obtains through inside chip logical operation and CPU module process exports the traffic lights intelligent object of vehicle intelligent module and next crossing D to by wireless communication module.And receive the vehicle traveling information of vehicle intelligent module output, by the vehicle flowrate road conditions of cpu controller process current transmission, adjustment current demand signal lamp duration also generates traffic signal control information to driving circuit.
Traffic lights intelligent object comprises programmable logic device, I/O input/output port, storer.The work of Programmable Logic Controller is exactly mainly scan passing the information of vehicles operation of coming, and namely all conducts interviews to the information of required operation and processes successively.When this controller runs, have numerous information of vehicles to need to perform, but can only perform 1 operation and can not perform multiple operation simultaneously in each moment of CPU, therefore the order of CPU follow procedure performs each information of vehicles successively.Programmable Logic Controller hardware circuit used in the present invention adopts serial communication single-chip microcomputer 80C320 to do traffic lights process core, expand erasable program storage E2PROM and static random storage RAM chip in addition, serial ports exports two-way bus, one tunnel is as the driving information accepting driver and transmit, and another road exports traffic lights display.Traffic light controller it adopt a kind of programmable storer, store therein and actuating logic computing, sequential control, regularly, numeration and the instruction of arithmetical operation, controlled the duration of traffic lights by the input and output of digital quantity or analog quantity.
Driving circuit 3 adopts 74H164 chip, we utilize sealing in of 74H164 chip and the function gone out, 8 bit shift register, serial input, parallel output, compatible Transistor-Transistor Logic level, most high workload clock frequency 20MHz, the fan leaves coefficient 10, serial communication is carried out with traffic light controller single-chip microcomputer, parallel output mouth Direct driver traffic lights shows, and can expand the I/O mouth of single-chip microcomputer like this, reduces the resource requirement of single-chip microcomputer.And the installation method of chip is very flexible, can reduce the quantity of the connection wire of display panel, improve the reliability of system.
Between traffic lights, signal exchange module 1 is collected the duration information of traffic lights adjacent intersection and is come, and guarantees that vehicle can pass through by green light.Traffic lights intelligent object adopts programmable logic device, and the storer alkalescence logical operation of its inside, controlling functions, when vehicle is by a crossing, has passed to the traffic lights at current crossing driving information.The traffic lights at next crossing according to the duration of previous crossing lamp, distance, the speed of a motor vehicle.Calculate the green light transit time of one group of vehicle by next crossing of previous crossing green light clearance.Thus guarantee that vehicle can travel smoothly, the puzzlement of red light such as to remove from.
Wireless communication module 6 is conceived to set up one based on GPRS network long distance wireless platform for the transmission system of data between traffic lights intelligent object and vehicle intelligent module, the GPRS telecommunication of traffic lights intelligent object and vehicle intelligent module can be realized, this wireless platform is combined with intelligent transport technology simultaneously, realize based on GPRS long distance wireless intelligent traffic light systems, utilize the data acquisition and processing (DAP) function of Programmable Logic Controller realization to traffic lights intelligent object, and carry out data transmission by GPRS communication module and vehicle intelligent module.It is high that cordless communication network has message transmission rate, the lower bit error rate, the advantage that delivery flow rate is large.
As shown in Figure 1, the directional information that vehicle intelligent module travels driver is passed to traffic lights intelligent object by operational module and is received traffic grade information that traffic lights intelligent object sends and necessarily draw best running time or speed according to each crossing distance, comprising: display module, operational module, wherein as shown in Figure 3, driver is transferred to traffic lights intelligent object by operational module driving information, Vehicle Controller accepts traffic grade information by wireless communication module, shows in display module.
Described vehicle intelligent module 7 comprises: pic chip, storer, I/O mouth, wherein: driver is convenient to driving information to be transferred to traffic lights intelligent object to vehicle intelligent module by operational module.Vehicle intelligent module adopts PIC series monolithic chip PIC16F877 to carry out data processing, is shown to driver by I/O mouth after the traffic lights duration information process received by LCD.
Driver in the process of moving when to pass through crossing time, the direction that will pass through can be pressed, straight, turn left, turn right.Adopt key mode, be convenient to information transmission (see figure 3).
Claims (1)
1. vehicle and a signal lamp bi-directional exchanges of information controller, is characterized in that: traffic lights intelligent object is connected by wireless communication module with in the middle of vehicle intelligent module, the input of described traffic lights intelligent object, output terminal respectively and between CPU module and traffic lights signal exchange model calling, the output terminal of traffic lights intelligent object is connected with the input end of driving circuit, the output terminal of described driving circuit is connected with the input end of traffic lights, the output terminal of described vehicle intelligent module is connected with display module, the output terminal of operational module is connected with the input end of vehicle intelligent module, described traffic lights intelligent object exports traffic light signals to vehicle intelligent module with export traffic lights information to the traffic lights intelligent object at next crossing by information exchange module between traffic lights and receive the vehicle traveling information that vehicle intelligent module exports by wireless communication module, by the vehicle flowrate road conditions of cpu controller process current transmission, adjustment current demand signal lamp duration also generates traffic signal control information to driving circuit, traffic lights driving circuit is connected with traffic lights and drives traffic lights to show according to the control result received, the traffic lights at next crossing is according to the duration of previous crossing lamp, distance, the speed of a motor vehicle, calculate the green light transit time of one group of vehicle by next crossing of previous crossing green light clearance, described vehicle intelligent module is transferred to traffic lights intelligent object driving information by wireless communication module by operational module, vehicle intelligent module accepts traffic grade information by wireless communication module, and shown by display module, traffic lights intelligent object comprises Programmable Logic Controller hardware, I/0 input/output port, reservoir, described Programmable Logic Controller hardware circuit adopts serial communication single-chip microcomputer 80C320 to do traffic lights process core, expand in addition and controlledly store RAM chip with program storage E2PROM and static random, serial ports exports two-way, one tunnel is as the driving information accepting driver and transmit, another road exports traffic lights display, traffic light controller adopts programmable storer, store therein and actuating logic computing, sequential control, regularly, the instruction of numeration and arithmetical operation, the duration of traffic lights is controlled by the input and output of digital quantity or analog quantity, utilize the data of Programmable Logic Controller realization to traffic lights intelligent object, described driving circuit adopts 74H164 chip, between described traffic lights, signal exchanges module is adopt Programmable Logic Controller hardware, described wireless communication module be one based on GPRS network long distance wireless platform, and carry out data transmission by GPRS communication module and vehicle intelligent module, described vehicle intelligent module comprises pic chip, storer, I/O mouth, vehicle intelligent module adopts pic chip singlechip chip PIC16F877 to carry out data processing, driver is shown to after the traffic lights long message process received by display module LCD by I/O mouth, operational module adopts key mode to be convenient to information transmission.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210548063.1A CN103065478B (en) | 2012-12-18 | 2012-12-18 | Vehicle and traffic light two-way information exchange controller |
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| CN201210548063.1A CN103065478B (en) | 2012-12-18 | 2012-12-18 | Vehicle and traffic light two-way information exchange controller |
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| CN103065478A CN103065478A (en) | 2013-04-24 |
| CN103065478B true CN103065478B (en) | 2015-04-29 |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104751654B (en) * | 2013-12-31 | 2017-09-26 | 中国移动通信集团公司 | A kind of traffic control method, network side equipment and terminal |
| CN105303850B (en) * | 2015-10-20 | 2016-05-18 | 北京长峰金鼎科技有限公司 | The control method of the traffic lights at road traffic crossing |
| CN107180543B (en) * | 2017-07-27 | 2023-07-25 | 安徽信息工程学院 | Intelligent dynamic traffic management system |
| US10872526B2 (en) * | 2017-09-19 | 2020-12-22 | Continental Automotive Systems, Inc. | Adaptive traffic control system and method for operating same |
| CN109935090A (en) * | 2017-12-18 | 2019-06-25 | 航天信息股份有限公司 | Traffic light regulating system, method, apparatus, mist calculate equipment and storage medium |
| CN110047308A (en) * | 2019-03-04 | 2019-07-23 | 武汉理工大学 | Traffic light signals and cab signal integration receive-transmit system and its control method |
| CN110276964B (en) * | 2019-05-27 | 2020-11-13 | 八维通科技有限公司 | Method for intelligently adjusting time of traffic light |
| CN110211393A (en) * | 2019-06-06 | 2019-09-06 | 山东海格尔信息技术股份有限公司 | A kind of controlling system of traffic light and method based on place driving efficiency examination system |
| CN112150840A (en) * | 2020-08-31 | 2020-12-29 | 江苏科技大学 | Signal lamp linkage control system and control method based on Internet of things technology |
| CN114280609B (en) * | 2021-12-28 | 2023-10-13 | 上海恒岳智能交通科技有限公司 | 77GHz millimeter wave signal detection processing method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201955908U (en) * | 2010-12-17 | 2011-08-31 | 安徽风日光电科技有限责任公司 | Intelligent controller for traffic signal lamp |
| CN102122441A (en) * | 2011-03-15 | 2011-07-13 | 上海交通大学 | Intelligent traffic light auxiliary system based on vehicle road coordination technology |
| CN102542819A (en) * | 2012-01-13 | 2012-07-04 | 上海搜林信息技术有限公司 | Traffic light control system with vehicle-road communication function |
| CN202600973U (en) * | 2012-02-17 | 2012-12-12 | 罗健 | Intelligent type traffic signal management system |
| CN203038472U (en) * | 2012-12-18 | 2013-07-03 | 河南师范大学 | Bidirectional-information exchange controller for vehicle and signal lamp |
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Inventor after: Peng Yufeng Inventor after: Jiao Zhaoyong Inventor after: Zhou Zhongpo Inventor after: Wang Haiying Inventor after: Zhang Jicai Inventor before: Peng Yufeng Inventor before: Yang Jubao Inventor before: Zhan Huawei Inventor before: Han Hongxing Inventor before: Zhao Lili Inventor before: Yang Shaoge Inventor before: Yang Yang Inventor before: Han Fei Inventor before: Chen Chen |
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Free format text: CORRECT: INVENTOR; FROM: PENG YUFENG YANG JUBAO ZHAN HUAWEI HAN HONGXING ZHAO LILI YANG SHAOGE YANG YANG HAN FEI CHEN CHEN TO: PENG YUFENG JIAO ZHAOYONG ZHOU ZHONGPO WANG HAIYING ZHANG JICAI |
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