CN106504546A - A kind of traffic lights with good stability direct traffic system - Google Patents
A kind of traffic lights with good stability direct traffic system Download PDFInfo
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- CN106504546A CN106504546A CN201610913895.7A CN201610913895A CN106504546A CN 106504546 A CN106504546 A CN 106504546A CN 201610913895 A CN201610913895 A CN 201610913895A CN 106504546 A CN106504546 A CN 106504546A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
A kind of traffic lights with good stability direct traffic system, including：Hardware, software and supporting power supply, the outfan for wherein sending out plate is connected with the input of CPU single-chip microcomputers through wire, CPU single-chip microcomputers are operated under the support of arduino IDE softwares, the outfan of CPU single-chip microcomputers is connected with the input of decoder by interface, decoder carries out binary decoding, with 60 seconds as a cycle, make which move in circles, the decoder translates 0 30 seconds, 31 35 seconds, 36 60 seconds three groups of signals, the green LED of reddish yellow is conveyed to by wire respectively, simultaneously also by wire, nor gate is connected with the input of decelerator, the outfan of decelerator is connected with digital display tube by wire, the remaining time of bright light in order to show, the pedestrian or vehicle for reminding waiting notes.The system low cost, flexible operation, reliability are high, meet the demand of " traffic lights " real-time update so that traffic lights control is more modernized and specialized.
Description
Technical field
The present invention relates to a kind of traffic guidance system, specifically a kind of traffic lights with good stability direct traffic
System.
Background technology
Traditional urban traffic intersection controlling system of traffic light be mostly by relay or logic circuit control system or by
Digital circuit, or plc（Programmable Logic Controller）Software is answered through popularization in recent years realized
With current plc has become the main flow of digital control circuit, but plc's is expensive, and build is also larger.Therefore this unit is used
The traffic light control system that part is made, circuit are complicated, and stability is poor, high cost, and are not suitable for changing upgrading in real time.With society
Meeting expanding economy, can not increasingly meet growing traffic pressure, it is therefore necessary to seek a kind of new method to replace
This complicated and control system of job insecurity.
Content of the invention
For solving the drawbacks described above of existing urban traffic intersection controlling system of traffic light, the present invention provides a kind of with good
The traffic lights of stability direct traffic system, in order to simplify circuit, improve the stability of system work, reduce production cost, side
Just timely replacement upgrading, alleviates growing traffic congestion pressure.
For realizing that its goal of the invention, the technical solution used in the present invention be：In the development platform of arduino, utilize
The regulatable softwares of arduino, configure corresponding hardware, develop with opening architecture, easy realization, easy care, have
The traffic lights of good stability direct traffic system：City traffic signal lamp is made, is required according to different road conditions, at any time modification control
Processing procedure sequence, to change working time and the working condition of each signal lighties；
The arduino, is a software and hardware platform based on open source, and master control function is felt by related sensor
Know environment, feed back and affect environment by controlling light, motor and corresponding device.Microcontroller on panel can lead to
The programming language for crossing Arduino carrys out coding, is compiled into binary file, includes into microcontroller.Programming to Arduino
Be using Arduino programming languages (based on Wiring) and Arduino development environments (based on Processing) come
Realize.Based on the project of Arduino, can only include Arduino, it is also possible to comprising Arduino and some other on PC
The software of operation, is communicated (such as Flash, Processing, MaxMSP) realizing between them.Build and exploitation
The simplel/o interface versions of source code, with similar java, the processing/wiring development environments of C language：
The controlling system of traffic light based on arduino development boards, including：Hardware, software and supporting power supply, the hardware
Have：Development board, CPU single-chip microcomputers, interface, decoder, display lamp and charactron；The software for adopting for：arduino IDE；Wherein,
Development board in hardware is that described CPU single-chip microcomputers are models for the circuit board for doing circuit connection and arduino
The main control singlechip of atmega328, the interface is using Uart serial interfaces and USB interface；The display lamp adopts LED,
Each intersection is respectively equipped with three display lamps of red, yellow and green three kinds of colors, and power supply adopts direct current 5v power supplys, USB interface
Or outside 9VDC, support that ISP burns online, new firmware burning Avr chips can be passed through serial ports or USB to
Rs232 lines update firmware.
During work, power supply is directly accessed from development board, the program that prior burning is required, is turned on the electricity, by SR, number
Code pipe starts timing, and with 60s as boundary, red green two light emitting diodes light on and off successively move in circles.System can just be completed accordingly
Task：
Compared with prior art, the present invention has following features and progress：
1. the system completes city by corresponding sensor and traffic lights using arduino softwares on existing computer
Commander's task of traffic intersection traffic lights control；Compare with traditional traffic-light command system, highlightedly embody traffic lights control
The summary of system and operableization, reduce cost, increased motility, meet " traffic lights " real-time update in practice
Demand, so that traffic lights control more modernization and specialization；
2., compared with traditional relay or logic circuit control system, control system has higher reliability, motility and warp
Ji practicality.
Description of the drawings
Fig. 1 is the structural representation block diagram of the present invention.
In figure：1st, development board, 2, CPU, 3, interface, 4, decoder, 5, crossing direction encoding block, 6, green time with non-
Door, 7, yellow time NAND gate, 8, red time NAND gate, 9, the first triggers of T1,10, the second triggers of T2,11, T3 the 3rd
Trigger, 12, red colored lamp D red, 13, amber light D yellow, 14, green light D green, 15, nor gate, 16, decelerator, 17, digital-scroll technique
Pipe.
Specific embodiment
Referring to accompanying drawing, the controlling system of traffic light based on Arduino development boards that designs, including：Hardware, software and match somebody with somebody
The power supply of set, the hardware have：Development board 1, CPU single-chip microcomputers 2, interface 3, decoder 4, display lamp and charactron 17；Using
Software is：arduino IDE；Wherein, the development board 1 in hardware is the circuit board for doing circuit connection and arduino, described
CPU single-chip microcomputers be model atmega328 main control singlechip, the interface 3 is using Uart serial interfaces and USB interface；
The display lamp adopts LED, and each intersection is respectively equipped with three display lamps of red, yellow and green three kinds of colors, and power supply is adopted
With direct current 5v power supplys, using USB interface or outside 9VDC, support that ISP burns online, can be by new firmware burning Avr chips, can
To update firmware by serial ports or USB to rs232 lines.
Specifically annexation is：Development board 1 commands the system as operator's panel for starting, changing or stop
Headquarter, the outfan of the development board are connected with the input of CPU single-chip microcomputers 2 through wire, and CPU single-chip microcomputers 2 are in arduino IDE
Under software support, it is operated, is mainly used in time counting, the outfan of CPU single-chip microcomputers 2 is by 232 interfaces 3 and decoder 4
Input be connected, decoder carries out binary decoding, with 60 seconds as a cycle, notifies CPU by wire when writing 60 seconds all over
Single-chip microcomputer 2, restarts to count so as to move in circles, its parameter and its startup, stopping by manually being realized by development board 1,
The decoder mainly translates three groups of signals, is conveyed to the crossing direction encoding block 5 of crossroad four direction respectively by wire,
The encoding block in each direction produces green time NAND gate 6, yellow time NAND gate 7 and red time NAND gate 8 respectively, wherein
8 control time of red time NAND gate is the 0-30 seconds, produces a negative signal and the first triggers of T1 9 are set to " 1 " i.e. high level,
Other two triggers are set to " 0 " i.e. low level simultaneously；7 control time of yellow time NAND gate is the 31-35 seconds, produces one
The second triggers of T2 10 are set to " 1 " i.e. high level by negative signal, while other two triggers are set to " 0 " i.e. low level；Green
6 control time of lamp time NAND gate is the 36-60 seconds, produces a negative signal and the 3rd triggers 11 of T3 are set to " 1 " i.e. high level,
Other two triggers are set to " 0 " i.e. low level simultaneously；" 1 " end of each trigger be high level end respectively by wire with
Red colored lamp D is red 12, the high level end of amber light D Huangs 13, green light D green 14 is connected so as to shinny, while also by wire and one
The input of individual nor gate 15 is connected；Wherein：" 1 " of the first triggers of T1 9 i.e. high level end is by wire and red colored lamp D red 12
Input be connected, while an input of also AND OR NOT gate 15 is connected, " 1 " the i.e. high level end of the second triggers of T2 10 is logical
The input that wire is crossed with amber light D Huangs 13 is connected, while another input of also AND OR NOT gate 15 is connected；T3 the 3rd is triggered
" 1 " of device 11 i.e. high level end is connected by the input of wire green with green light D 14, while going back the 3rd of AND OR NOT gate 15
Input is connected；As long as nor gate 15 is that have a high level input, outfan produce a low level negative signal, should
Negative signal is connected via wires to the input of decelerator 16, starts and for the time of institute's bright light to reduce to " 0 " from height subtract " 1 " per second, with
When decelerator 16 state be connected with digital display tube 17 by wire, the remaining time of bright light in order to show, remind waiting
Pedestrian or vehicle note.
During work, power supply is directly accessed from development board, the program that prior burning is required, is turned on the electricity, by SR, number
Code pipe starts timing, and with 60s as boundary, three light emitting LED lamp light on and off successively of red, yellow, and green move in circles.System can just be completed
Corresponding task.Note following item simultaneously：
(1) stability and real-time of circuit are noted：Safely controllable using arduino development board control circuits, whether software is accurate
Really system is able to the premise that runs, and the software of mistake can cause whole circuit realize, so that the work of system cannot
Carry out.The input source of software burning is write by oneself.Hand-coding will have fault-tolerant by the schedule system on system interface
Property, and operator will be carried out with the training of system；
(2) note the safety of circuit：The system is board design, by simulation test, in the case of normal protection circuit, no
Can cause danger, and there is certain safety precautions due to integrated plate face itself, generally speaking, will not under correct operation
Generation problem；
(3) note the real-time of software：Will periodically to development board in software carry out upgrade maintenance, to ensure to occur in hardware
Failure or artificial origin are quickly can timely to revert to original normal condition when leading to not run.
Claims (3)
1. a kind of traffic lights with good stability direct traffic system, including：Hardware, software and supporting power supply, wherein
The hardware has：Development board, CPU single-chip microcomputers, interface, decoder, display lamp and charactron；The software is adopted：arduino
IDE；It is characterized in that：The annexation of the system is：Development board is commanded for starting, changing or stop as guidance panel
The work of the system, the outfan of the development board are connected with the input of CPU single-chip microcomputers through wire, and CPU single-chip microcomputers are in arduino
Under IDE software is supported, it is operated, is mainly used in time counting, the outfan of CPU single-chip microcomputers is by 232 interfaces and decoder
Input be connected, decoder carries out binary decoding, with 60 seconds as a cycle, notifies CPU by wire when writing 60 seconds all over
Single-chip microcomputer restarts to count so as to move in circles, its parameter and its startup and stopping by manually being controlled by development board,
The decoder mainly translates three groups of signals, is conveyed to the crossing direction encoding block of crossroad four direction respectively by wire,
The encoding block in each direction is respectively designed with green time NAND gate, yellow time NAND gate and red time NAND gate, wherein
Red time NAND gate control time is the 0-30 seconds, produces a negative signal and the first trigger is set to " 1 " i.e. high level, while
Other two triggers are set to " 0 " i.e. low level；Yellow time NAND gate control time is the 31-35 seconds, produces a negative letter
Number the second trigger is set to " 1 " i.e. high level, while other two triggers are set to " 0 " i.e. low level；Green time with
Not gate control time be the 36-60 seconds, produce a negative signal the 3rd trigger 11 is set to " 1 " i.e. high level, while by other
Two triggers are set to " 0 " i.e. low level；" 1 " end of each trigger is that high level end passes through wire respectively with red, yellow
It is connected with the high level end of green three display lamps so as to shinny, while the input phase also by wire and a nor gate
Even, the nor gate is to simply enter end to have a high level input, outfan produce a low level negative signal, should
Negative signal is connected via wires to the input of decelerator, starts and reduces to " 0 " time of institute's bright light from height subtract " 1 " per second, slows down
The outfan of device is connected with digital display tube by wire, the remaining time of bright light in order to show, remind waiting pedestrian or
Vehicle notes.
2. the traffic lights with good stability according to claim 1 direct traffic system, it is characterized in that：The hardware
In development board be for do circuit connection and arduino circuit board, described CPU single-chip microcomputers are models atmega328
Main control singlechip, the interface is using Uart serial interfaces and USB interface；The display lamp adopts LED, each crossroad
Mouth is respectively equipped with three display lamps of red, yellow and green three kinds of colors, and power supply adopts direct current 5v power supplys.
3. the traffic lights with good stability according to claim 1 and 2 direct traffic system, it is characterized in that：Described
Power supply is burnt online using USB interface or outside 9VDC, support ISP, can by new firmware burning Avr chips, by serial ports or
USB to rs232 lines update firmware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913895.7A CN106504546A (en) | 2016-10-20 | 2016-10-20 | A kind of traffic lights with good stability direct traffic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610913895.7A CN106504546A (en) | 2016-10-20 | 2016-10-20 | A kind of traffic lights with good stability direct traffic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106504546A true CN106504546A (en) | 2017-03-15 |
Family
ID=58319281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610913895.7A Pending CN106504546A (en) | 2016-10-20 | 2016-10-20 | A kind of traffic lights with good stability direct traffic system |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2142622Y (en) * | 1992-07-16 | 1993-09-22 | 滕鹤松 | Multi-channel power source remote controller |
| CN2308926Y (en) * | 1997-09-02 | 1999-02-24 | 聂世锦 | Traffic management device for urban road plane junction |
| CN1210318A (en) * | 1997-09-02 | 1999-03-10 | 聂世锦 | Traffic control system for crossroad in urban area |
| US5977883A (en) * | 1997-07-30 | 1999-11-02 | Leonard; William H. | Traffic light control apparatus for emergency vehicles |
| US7333028B2 (en) * | 2005-06-01 | 2008-02-19 | Global Traffic Technologies, Llc | Traffic preemption system communication method |
| CN204650763U (en) * | 2015-05-20 | 2015-09-16 | 湖南文理学院 | A kind of traffic light control system of right-angled intersection |
-
2016
- 2016-10-20 CN CN201610913895.7A patent/CN106504546A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2142622Y (en) * | 1992-07-16 | 1993-09-22 | 滕鹤松 | Multi-channel power source remote controller |
| US5977883A (en) * | 1997-07-30 | 1999-11-02 | Leonard; William H. | Traffic light control apparatus for emergency vehicles |
| CN2308926Y (en) * | 1997-09-02 | 1999-02-24 | 聂世锦 | Traffic management device for urban road plane junction |
| CN1210318A (en) * | 1997-09-02 | 1999-03-10 | 聂世锦 | Traffic control system for crossroad in urban area |
| US7333028B2 (en) * | 2005-06-01 | 2008-02-19 | Global Traffic Technologies, Llc | Traffic preemption system communication method |
| CN204650763U (en) * | 2015-05-20 | 2015-09-16 | 湖南文理学院 | A kind of traffic light control system of right-angled intersection |
Non-Patent Citations (2)
| Title |
|---|
| 姜邈: "《电子线路课程设计指导书》", 31 August 1994 * |
| 王希娟 等: "基于Arduino单片机的交通灯倒计时显示器设计", 《计算机光盘软件与应用》 * |
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Application publication date: 20170315 |
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