CN108648470A - The zebra stripes ground intelligent traffic light control circuit of light-emitting period can be voluntarily set - Google Patents
The zebra stripes ground intelligent traffic light control circuit of light-emitting period can be voluntarily set Download PDFInfo
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- CN108648470A CN108648470A CN201810610545.2A CN201810610545A CN108648470A CN 108648470 A CN108648470 A CN 108648470A CN 201810610545 A CN201810610545 A CN 201810610545A CN 108648470 A CN108648470 A CN 108648470A
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- light
- emitting period
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- green
- circuit
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Classifications
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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
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/08—Controlling traffic signals according to detected number or speed of vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/20—Controlling the colour of the light
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of zebra stripes ground intelligent traffic light control circuit that light-emitting period can voluntarily be arranged, belongs to the application category of singlechip technology.It is characterized in that host scm control circuit is connected with 5 secondary single chip machine controlling circuits, by red light period set key, amber light light-emitting period set key and green light light-emitting period set key, respective light-emitting period is set, control shows red, yellow, and green color circular pattern successively, and realizing has 10 seconds countdown digital displaying functions.The light-emitting period that midway changes red, yellow, and green luminous tube according to flow of the people, vehicle flowrate is arranged.Advantage is that the OR circuit being made up of two light-operated circuits starts luminous tube circuit automatically, control is synchronized to the ground red, yellow, and green lamp square formation of 3 100 LED compositions on zebra stripes, the circular pattern of red, yellow, and green luminous tube is shown successively and is shown with 10 seconds countdown numbers, the vehicle for effectively controlling zebra stripes enters zebra stripes, and the reliability of control circuit can be improved by OR circuit.
Description
Technical field
The invention is related to a kind of traffic lights control circuit, more particularly to a kind of zebra that light-emitting period can voluntarily be arranged
Line ground intelligent traffic light control circuit, belongs to the application category of singlechip technology.
Background technology
There is a kind of zebra stripes ground intelligent traffic light control electricity that light-emitting period can voluntarily be arranged described in the invention
Road refer to be mounted on zebra stripes on the green luminous tube square formation of 3 ground reddish yellows, by phototriode form OR circuit and
The light-emitting period for the red, yellow, and green luminous tube being voluntarily arranged voluntarily starts luminous tube circuit and shows 3 successively respectively by 100
The circular pattern of red, yellow, and green monochrome luminous tube composition, and the digital pattern by starting 10-1 in countdown in 10 seconds shows,
A kind of circuit that garage is controlled the time before ordered pair zebra stripes.
Zebra stripes ground traffic lights are not set before the invention, before zebra stripes, are managed due to lacking, vehicle easily occurs and does not keep away
Allowed the traffic accident of Zebra crossing pedestrian.
Invention content
The purpose of the invention is that zebra stripes is overcome not set the row that ground traffic lights and vehicle did not avoided zebra stripes
The defect of people's Yi Fasheng traffic accidents provides a kind of zebra stripes ground intelligent traffic light control electricity that light-emitting period can voluntarily be arranged
Road.
It is with host scm control circuit and 5 pairs that the invention, which solves technical solution used by its technical problem,
Single chip machine controlling circuit provides the open signal of luminous tube by the OR circuit of two light-operated circuit compositions.It is sent out by red light
Respective light-emitting period is arranged in light time section set key, amber light light-emitting period set key and green light light-emitting period set key, halfway basis
Flow of the people, vehicle flowrate change the light-emitting period setting of red, yellow, and green luminous tube.
Create to realize the present invention to 3 10 rows 10 arrange 100 red, yellow, and green color LED light tube in LED square formations into
Row orderly control, the OR circuit being made up of two light-operated circuits automatically provide the open signal of luminous tube.By voluntarily setting
The light-emitting period for the red, yellow, and green luminous tube set shows red, yellow, and green color circular pattern successively, and realizing has 10 seconds countdown numbers
Word display function.2 I/O output ends of host scm are connect with the I/O input terminals of 5 secondary microcontrollers respectively, send luminous tube
Opening and closing time and red, yellow, and green luminous tube light-emitting period.Except setting host scm control circuit and 5 secondary microcontroller controls
Outside circuit, host scm input terminal is also connected with the OR circuit and red light period set key, Huang of two light-operated circuit compositions
Lamp light-emitting period set key and green light light-emitting period set key, single-chip microcomputer output connect digital display circuit and luminous tube control
Circuit.
The advantageous effect of the invention is that the OR circuit being made up of two light-operated circuits starts luminous tube electricity automatically
Road synchronizes control to the ground traffic lights square formation of 100 LED compositions of 3 10 rows 10 row on zebra stripes, according to
The circular pattern of secondary display red, yellow, and green luminous tube is simultaneously shown with 10 seconds countdown numbers, halfway according to flow of the people, vehicle flowrate
The light-emitting period setting of red, yellow, and green luminous tube is changed, the vehicle for effectively controlling zebra stripes enters zebra stripes, allows zebra stripes
As " safety line ", the generation that avoids traffic accident.By OR circuit, the reliability of control circuit can be improved.
Description of the drawings
The invention is described further below by attached drawing.
Attached drawing 1 is the electrical schematic diagram of the invention.
Specific implementation mode
Refering to attached drawing 1.Microcontroller is eight PIC16C series monolithics in figure, and host scm model PIC16C57 is secondary
Microcontroller model PIC16C63A.PIC16C57 has 28 pins, 20 ports I/O.PIC16C63A has 28 pins,
22 ports I/O.I/O input/output ports are only marked in attached drawing, other ports of microcontroller PIC16C57, PIC16C63A can
Refering to U.S. MICROCHIP Products specifications.
To realize above-mentioned function, host scm control circuit and 5 secondary single chip machine controlling circuits are set, to 3 10 rows 10
100 double-colored traffic lights LED light tube in row LED square formations are orderly controlled, and realizing, there is 10 seconds countdown numbers to show
Function.
The I/O input terminals of host scm connect the OR circuit that two light-operated circuits form and the setting of red light period
The I/O output ends of key, amber light light-emitting period set key and green light light-emitting period set key, host scm connect digital display circuit
With transistor circuit, relay circuit, ghyristor circuit.The output end of 5 secondary single-chip processor i/os connects LED control circuit, LED
Control circuit includes 1 triode, 1 relay, 3 silicon-controlled and 300 LED light tube (wherein red, yellow, and green each 100
It is a).2 ports I/O of host scm are connected with the ports I/O of 5 secondary microcontrollers respectively, send red, yellow, and green luminous tube
The luminous tube open signal of the OR circuit of light-emitting period and two light-operated circuits composition, on the actual basis of open signal
On, postpone the shutdown signal that 4 hours are luminous tube.
Output end connection digital circuit, relay circuit and 3 ghyristor circuits of host scm I/O.3 silicon-controlled electricity
Road is respectively to 100 red LED pipes in 3 10 rows 10 row LED square formations, 100 yellow led luminous tubes, 100 greens
The working power of the anode (parallel connection) of LED light tube is controlled.100 I/O output ends of 5 secondary microcontrollers connect 100
The cathode ground connection of transistor circuit, 100 triodes pair, 300 LED light tube is (each by 10 rows, the correspondence control of 10 column positions
Triode corresponds to the cathode in parallel of 3 luminous tubes), realize that the cathode that 5 secondary microcontrollers are precisely controlled 300 double color luminotrons connects
Ground is disconnected with ground, by 1 host scm and 5 secondary microcontrollers to the light emitting control of the luminous tube of nominated bank, column position, is shown
Show 3 red, yellow, and green color circular patterns, realizing has the zebra stripes ground traffic lights control of 10 seconds countdown digital displaying functions
Circuit.
As described above, the invention shares 300 red, yellow, and green luminous tubes, 3 100 red of composition, 100 Huangs
The square formation of color, 100 green luminotrons, to save resource, need in actual use by 3 100 red, 100 yellow,
The square formation of 100 green luminotrons carries out in parallel, composition 100 by the positive corresponding position of the corresponding row, column in respective row, column position
The point in parallel of red, 100 yellow, 100 green luminotrons.Respectively by the access of 3 SCR control positive supplies.300
The cathode corresponding position of different row, column, every 3 cathode parallel connections, the corresponding cathode control point of 100 row, column of composition, microcontroller are defeated
Outlet connects 100 triodes, and point 10 rows, 10 row control 100 cathode parallel connection points of 300 luminous tubes.When luminous
The anode point in parallel of pipe obtains positive voltage from silicon-controlled, and the cathode parallel connection point of same luminous tube is followed by by the conducting of triode
Ground, the luminous tube shine.
The I/O input terminals of microcontroller connect the OR circuit being made of two light-operated circuits, and two light-operated circuits are by light
Quick triode and phase inverter composition.The OR circuit is made of two diodes, the anodes of two diodes respectively with two
The output end of light-operated circuit is connected, and is connected to the ground by resistance after the cathode parallel connection of two diodes, while two two poles
It is connected with the I/O input terminals of microcontroller after the cathode parallel connection of pipe.The OR circuit of two light-operated circuits composition is light-operated at two
Circuit exports high potential when night, one or two exported high potential simultaneously to the I/O input terminals of microcontroller, automatic to start ground
The unlatching of flushing green light.Two diodes that embodiment forms OR circuit are IN4148.
Two light-operated circuits are made of phototriode and phase inverter.The collector of phototriode is connecing power supply just
Pole, emitter pass through resistance eutral grounding.The emitter of two phototriodes and the tie point of resistance respectively with two phase inverters
Input terminal is connected, and the output end of two phase inverters is connected with two diode cathodes of OR circuit respectively.Photosensitive three pole
Pipe is illuminated by the light daytime, exports high potential, inverted device reverse phase, and to diode positive output low level, OR circuit output end is to list
Piece machine I/O exports low potential.Phototriode exports low potential when evening no light.Pass through phase inverter in two phototriodes
When concurrently or separately exporting high potential to diode cathode, OR circuit output end exports high potential to single-chip processor i/o.Embodiment
Phototriode is NPN type.
The OR circuit that single-chip processor i/o input terminal is formed from two phototriodes and two diodes obtains high potential,
The automatic LED light tube that starts shines, and 4 hours are the time for closing luminous tube after luminous tube is opened.By OR circuit, can be improved
The reliability of control circuit.
Digital circuit light-emitting period is arranged is made of triode and charactron.Embodiment is by 3 triodes and 3
Charactron forms 3 digital display circuits, with 3 Digital sums, sets gradually red light, amber light, green light light-emitting period, embodiment difference
For red light 60 seconds, amber light was shown 10 seconds, and green light is shown 120 seconds, and light-emitting period can be changed at any time by the practical stream of people, wagon flow situation.
3 ports I/O of microcontroller are connected with the base stage of 3 triodes respectively, the collectors of 3 triodes and positive pole (+
5V) it is connected, the emitter of 3 triodes is connected with the power input of 3 charactrons, and triode is for controlling charactron
Power supply break-make.Seven ports I/O of microcontroller are connected with seven segment signal input terminals of 3 charactrons, and seven segment signals are defeated
Enter end to connect by parallel way.Triode uses NPN triode, embodiment triode model 3DG6, charactron to use LED
Charactron, embodiment charactron model ATA-6042.
To prevent from damaging, 3 LED red, yellow, and green lamps keep certain distance from the ground when installation, are covered with high-strength glass above
Glass.Its operating current and watt level are considered as when selecting silicon-controlled.
3 I/O output ends of host scm connect 3 it is silicon-controlled (silicon-controlled 1, silicon-controlled 2, silicon-controlled 3) control pole, point
Not to control 100 LED light tube in 3 red, yellow, green luminotron square formation parallel connection anode obtain positive voltage, 5
100 I/O output ends of a pair microcontroller connect 100 triodes, and 100 parallel connections to control 300 LED light tube are born
Pole is connected to ground.100 I/O output ends (20 I/O output ends of each microcontroller) of 5 secondary microcontrollers connect 100 three poles
The base stage of pipe, the collector of 100 triodes are connected with 100 cathode in parallel, the emitter ground connection of 100 triodes, when
The parallel connection anode of luminous tube obtains positive voltage, and when the cathode in parallel of luminous tube is grounded, which shines.Embodiment 100 three
Pole pipe uses the 3DG6 of NPN type.
Host scm I/O output ends are connected with relay circuit, the silicon-controlled anode of relay circuit pair 3 provide or
Disconnect positive supply.Relay circuit includes triode and relay, and 3 silicon-controlled anodes are obtained from control relay circuit respectively
Obtain positive voltage.The base stage of the output end connecting triode of single-chip processor i/o, the collector of triode are connected with positive pole, and three
The emitter of pole pipe is connected with one end of relay coil, the other end ground connection of relay coil.The normally opened contact of relay
One end be connected with positive pole, the other end is connected with silicon-controlled anode, 3 silicon-controlled cathodes respectively with 3 sides
100 anodes in parallel in battle array are connected.
The operation principle of relay circuit：Single-chip processor i/o output end exports high potential, controls the triode being attached thereto and leads
Logical, relay obtains operating voltage, and the normally opened contact of relay is closed, and two silicon-controlled anodes with normally opened contact one end is made to obtain
Positive voltage is obtained, microcontroller controls relay coil dead electricity, makes two silicon-controlled anodal openings with normally opened contact one end.Embodiment
Triode uses the 3DG6 of NPN type.Relay uses small-sized DC 12V relays, concrete model JRX-13 or JQX-
4F、JQC-3(T73)。
Silicon-controlled anode obtains positive voltage from relay circuit, and 3 I/O output ends of host scm respectively can with 3
The control pole of control silicon is connected, and silicon-controlled 1 control pole obtains high level signal, silicon-controlled 1 conducting, with silicon-controlled 1 cathode phase
The parallel connection anode of the LED light tube of the red square formation of connection obtains operating voltage, when the cathode in parallel of the LED light tube passes through three
After pole pipe ground connection, it is displayed in red light.Similarly, silicon-controlled 2 control pole obtains high level signal, and silicon-controlled 2 conducting is and silicon-controlled
The parallel connection anode 2 of the LED light tube for the square formation that 2 cathodes are connected obtains operating voltage, when the cathode in parallel of the LED light tube is logical
After crossing triode ground connection, sodium yellow is shown.Silicon-controlled 3 control pole obtains high level signal, silicon-controlled 3 conducting, with silicon-controlled 3
The parallel connection anode of the LED light tube for the square formation that cathode is connected obtains operating voltage, when the cathode in parallel of the LED light tube passes through
After triode ground connection, green light is shown.
Emitting red light period set key, Yellow luminous period set key and green emitting period set key to be arranged it is red,
Yellow, green luminotron light-emitting period.Above-mentioned set key is touch-switch, and one end is connected with single-chip processor i/o input terminal,
Another termination positive pole.Whether touch-switch contacts for control single chip computer I/O input terminals with positive pole, usually touches out
It closes control single chip computer I/O input terminals to disconnect with positive pole, clicks touch-switch, single-chip processor i/o input terminal connects with positive pole
It touches, is useful signal.Embodiment touch-switch uses the series of products of Products Co., Ltd of Dongguan, Guangdong Tokin Electronics.It is light respectively
Touch red light period, amber light light-emitting period and green light light-emitting period setting key assignments red light period, amber light light-emitting period
With green light light-emitting period.For example setting red, yellow, and green light-emitting period is followed successively by 60 seconds, 10 seconds and 120 seconds, numeral method
The red light period since 30 seconds, rises progressively 10 seconds by primary key, until 60 seconds, amber light light-emitting period was since 5 seconds, by by one
Secondary key is risen progressively 1 second, until 10 seconds, green light light-emitting period is risen progressively 10 seconds since 60 seconds by primary key, until 120 seconds, it is above
One embodiment.Other light-emitting periods can be set according to various regions actual conditions, change and set according to flow of the people, vehicle flowrate halfway
It sets, there is hommization.
The silicon-controlled general power according to LED light tube selects its power in actual use.The silicon-controlled model of the invention
It is silicon-controlled for the series of 3CT models, in addition to operating voltage, its power is selected according to the general power of LED light tube.
Claims (3)
1. a kind of zebra stripes ground intelligent traffic light control circuit that light-emitting period can voluntarily be arranged, belongs to answering for singlechip technology
It is arranged by the red light period it is characterized in that with host scm control circuit and 5 secondary single chip machine controlling circuits with scope
Respective light-emitting period is arranged in key, amber light light-emitting period set key and green light light-emitting period set key, shows red, yellow, and green color successively
Circular pattern, realizing has 10 seconds countdown digital displaying functions, changes red, yellow, and green hair according to flow of the people, vehicle flowrate halfway
The light-emitting period of light pipe is arranged.
2. a kind of zebra stripes ground intelligent traffic light control electricity that light-emitting period can voluntarily be arranged according to claim 1
Road, it is characterized in that the OR circuit of two light-operated circuits composition starts luminous tube circuit automatically.
3. a kind of zebra stripes ground intelligent traffic light control electricity that light-emitting period can voluntarily be arranged according to claim 1
Road sends luminous tube it is characterized in that 2 I/O output ends of host scm are connect with the I/O input terminals of 5 secondary microcontrollers respectively
Opening and closing time and red, yellow, and green luminous tube light-emitting period.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610545.2A CN108648470A (en) | 2018-06-06 | 2018-06-06 | The zebra stripes ground intelligent traffic light control circuit of light-emitting period can be voluntarily set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810610545.2A CN108648470A (en) | 2018-06-06 | 2018-06-06 | The zebra stripes ground intelligent traffic light control circuit of light-emitting period can be voluntarily set |
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| Publication Number | Publication Date |
|---|---|
| CN108648470A true CN108648470A (en) | 2018-10-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810610545.2A Pending CN108648470A (en) | 2018-06-06 | 2018-06-06 | The zebra stripes ground intelligent traffic light control circuit of light-emitting period can be voluntarily set |
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| CN (1) | CN108648470A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671285A (en) * | 2018-12-27 | 2019-04-23 | 江苏博尧软件技术有限公司 | A kind of intelligent traffic light system for capableing of intelligent signal switching |
-
2018
- 2018-06-06 CN CN201810610545.2A patent/CN108648470A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109671285A (en) * | 2018-12-27 | 2019-04-23 | 江苏博尧软件技术有限公司 | A kind of intelligent traffic light system for capableing of intelligent signal switching |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181012 |
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| WD01 | Invention patent application deemed withdrawn after publication |