CN112825213A - Road traffic signal lamp control conversion device - Google Patents
Road traffic signal lamp control conversion device Download PDFInfo
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- CN112825213A CN112825213A CN201911147359.0A CN201911147359A CN112825213A CN 112825213 A CN112825213 A CN 112825213A CN 201911147359 A CN201911147359 A CN 201911147359A CN 112825213 A CN112825213 A CN 112825213A
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- signal
- traffic signal
- port
- light
- signal lamp
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- 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
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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
Abstract
The invention relates to a road traffic signal lamp control conversion device, belonging to the road traffic signal lamp control technology. At present, the mainstream road traffic signal lamp system mainly comprises a traffic signal controller (signal machine), a left turn signal lamp, a straight signal lamp and a right turn signal lamp in all directions. The signal machine is connected with the signal lamp through a lamp line, and when the signal machine outputs alternating current 220V on a certain connecting line, the corresponding signal lamp is on. When the annunciator is powered off, the signal lamp system stops running. The invention is provided with a satellite time service module, can realize accurate time synchronization and is used for memorizing the phase time and the period of a signal lamp sent by a signal machine. The invention can exchange phase data and control phase with the signal lamp with the communication bus through the communication bus, when the signal machine has power failure or fault, the invention controls the signal lamp according to the phase time of the signal machine continuously through the memorized phase time and period of the signal lamp and by the satellite time service.
Description
Technical Field
A road traffic signal lamp control conversion device belongs to the road traffic signal lamp control technology.
Background
At present, the mainstream road traffic signal lamp system mainly comprises a traffic signal controller (signal machine), a left turn signal lamp, a straight signal lamp and a right turn signal lamp in all directions. The traffic signal and the signal lamp are connected by one lamp line, and when the traffic signal outputs an alternating current of 220 volts (also denoted as AC 220V) on a certain connection line, the corresponding signal lamp is on. When the signal machine has power failure, the signal lamp system stops running, and traffic chaos and potential safety hazards at the intersection are easily caused.
How to solve the problem of power failure, the method for solving the problem of power failure comprises the following steps: the invention is installed on the pole of the signal lamp, can connect the battery, solar energy panel, can receive the signal lamp control signal of the signal machine and supply power to oneself, charge the battery connected, when the signal machine has a power failure, the invention is supplied power by the battery or solar energy panel connected, and supply power to the signal lamp. The invention is provided with a satellite time service module, can realize accurate time synchronization and is used for memorizing the phase time and the period of a signal lamp sent by a signal machine. The invention can exchange phase data and control phase with the signal lamp with the communication bus through the communication bus, when the signal machine has power failure or fault, the invention controls the signal lamp according to the phase time of the signal machine continuously through the memorized phase time and period of the signal lamp and by the satellite time service.
Disclosure of Invention
The invention relates to a road traffic signal lamp control conversion device (see figure 1), which consists of a traffic signal lamp control conversion unit (number U1), a traffic signal lamp power management unit (number U2), a communication interface circuit (number U3), a satellite time service module (number U4), a communication interface circuit (number U5), 9 couplers (number S1 to S9) and 9 resistors (number R1 to R9), wherein the U2 is provided with a solar panel interface, a battery interface, an AC220V power live wire input 1 port, an AC220V power live wire input 2 port, an AC220V power live wire input 3 port, an AC220V zero wire interface and a DC power output port.
In fig. 1, legs 1 of S1 to S9 are connected to legs 2 of R1 to R9, legs 2 of S9 to S9 are connected to the neutral line of AC220 9 of the traffic signal, legs 3 of S9 to S9 are grounded, legs 4 of S9 to S9 are connected to ports IO9 to IO9 of U9, legs 1 of R9 are connected to the red light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the yellow light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the green light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the red light signal line of AC220 9 of the traffic signal left-turn light group, legs 1 of R9 are connected to the yellow light signal line of AC220 of the traffic signal row light group, legs R9 are connected to the right-turn light signal line of the AC220 of the traffic signal group R9, legs R9 are connected to the AC220 of the red light signal group R9,
the UART serial port 1 of the U1 is connected with the UART serial port of the U3, the UART serial port 2 of the U1 is connected with the UART serial port of the U4,
the UART serial port 3 of U1 is connected with the UART serial port of U5, the solar panel interface of U2 is connected with the solar panel, the battery interface of U2 is connected with the battery, the live wire input 1 port of U2 is connected with the AC220V green light signal line of the annunciator straight-going light group, the live wire input 2 port of U2 is connected with the AC220V yellow light signal line of the annunciator straight-going light group, the live wire input 3 port of U2 is connected with the AC220V red light signal line of the annunciator straight-going light group, the zero line interface of U2 is connected with the AC220V power supply zero line of the annunciator, the DC power supply output port of U2 is connected with the traffic signal light power interface, the communication bus port of U3 is connected with the communication interface of the traffic signal light, and the communication bus port of U4 is connected with the communication interface of the traffic signal controller.
In fig. 1, when the signal line for left turn, straight line and right turn of the signal has ac220v voltage, the corresponding signal lamp state can be coupled and output to U1 through S1 to S9 to obtain IO1 port to IO9 port, and U1 sends the received signal lamp state to the traffic signal lamp communication interface through U3.
In fig. 1, U2 accessible live wire input 1 mouth, live wire input 2 mouths, live wire input 3 mouths convert the required power of oneself work with exchanging 220V signal conversion of the signal lamp that the semaphore sent to battery charging through the battery interface of U2, solar cell panel supplies power and charges to the battery through the solar cell panel interface of U2 to this device, and battery accessible U2's battery interface supplies power to this device.
In fig. 1, U1 receives satellite time via U4, performs clock synchronization, records the phase time of the signal light or no light output from the traffic signal, and when the traffic signal stops operating, U1 continues to perform communication control of the traffic signal via U3 according to the recorded signal phase time.
In fig. 1, U1 implements signal light phase data exchange communication with a traffic signal controller communication interface through U5.
Drawings
Fig. 1 is a schematic diagram of the circuit of the present invention.
FIG. 2 is a circuit diagram of an embodiment of the present invention.
Examples
The embodiment device (see fig. 2) of the invention comprises a single chip computer circuit (number U1), a traffic signal lamp power management unit (number U2), an RS-485 interface circuit (number U3), a Beidou satellite time service module (number U4), an RS-485 interface circuit (number U5), 9 photoelectric couplers (number S1 to S9) and 9 resistors (number R1 to R9), wherein an AC U2 comprises a solar panel interface, a battery interface, an AC220V (AC 220V) power live wire input 1 port, an AC220V power live wire input 2 port, an AC220V power live wire input 3 port, an AC220V zero line interface and a DC power output port.
In fig. 2, legs 1 of S1 to S9 are connected to legs 2 of R1 to R9, legs 2 of S9 to S9 are connected to the neutral line of AC220 9 of the traffic signal, legs 3 of S9 to S9 are grounded, legs 4 of S9 to S9 are connected to ports IO9 to IO9 of U9, legs 1 of R9 are connected to the red light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the yellow light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the green light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the red light signal line of AC220 9 of the traffic signal left-turn light group, legs 1 of R9 are connected to the yellow light signal line of AC220 of the traffic signal row light group, legs R9 are connected to the right-turn light signal line of the AC220 of the traffic signal group R9, legs R9 are connected to the AC220 of the red light signal group R9,
the UART serial port 1 of the U1 is connected with the UART serial port of the U3, the UART serial port 2 of the U1 is connected with the UART serial port of the U4,
the UART serial port 3 of U1 is connected with the UART serial port of U5, the solar panel interface of U2 is connected with the solar panel, the battery interface of U2 is connected with the battery, the live wire input 1 port of U2 is connected with the AC220V green light signal line of the annunciator straight-going light group, the live wire input 2 port of U2 is connected with the AC220V yellow light signal line of the annunciator straight-going light group, the live wire input 3 port of U2 is connected with the AC220V red light signal line of the annunciator straight-going light group, the zero line interface of U2 is connected with the AC220V power supply zero line of the annunciator, the DC power supply output port of U2 is connected with the traffic signal light power interface, the communication bus port of U3 is connected with the communication interface of the traffic signal light, and the communication bus port of U4 is connected with the communication interface of the traffic signal controller.
In fig. 2, when the signal line for left turn, straight line and right turn of the signal has ac220v voltage, the corresponding signal lamp state can be coupled and output to U1 through S1 to S9 to obtain IO1 port to IO9 port, and U1 sends the received signal lamp state to the traffic signal lamp communication interface through U3.
In fig. 2, U2 accessible live wire input 1 mouth, live wire input 2 mouths, live wire input 3 mouths convert the required power of oneself work with exchanging 220V signal conversion of the signal lamp that the semaphore sent to battery charging through the battery interface of U2, solar cell panel supplies power and charges to the battery through the solar cell panel interface of U2 to this device, and battery accessible U2's battery interface supplies power to this device.
In fig. 2, U1 receives satellite time via U4, performs clock synchronization, records the phase time of the signal light or no light output from the traffic signal, and when the traffic signal stops operating, U1 continues to perform communication control of the traffic signal via U3 according to the recorded signal phase time.
In fig. 2, U1 implements signal light phase data exchange communication with the traffic signal controller communication interface through U5.
Claims (6)
1. The invention relates to a road traffic signal lamp control conversion device which comprises a traffic signal lamp control conversion unit (number U1), a traffic signal lamp power management unit (number U2), a communication interface circuit (number U3), a satellite time service module (number U4), a communication interface circuit (number U5), 9 couplers (numbers S1 to S9) and 9 resistors (numbers R1 to R9), wherein the U2 is provided with a solar panel interface, a battery interface, an alternating current 220V (also shown as AC 220V) power live wire input 1 port, an alternating current 220V power live wire input 2 port, an alternating current 220V power live wire input 3 port, an alternating current 220V zero wire interface and a direct current power supply output port.
2. In the apparatus according to claim 1, legs 1 of S1 to S9 are connected to legs 2 of R1 to R9, legs 2 of S9 to S9 are connected to the neutral line of AC220 9 of the traffic signal, legs 3 of S9 to S9 are grounded, legs 4 of S9 to S9 are connected to ports IO9 to IO9 of U9, legs 1 of R9 are connected to the red light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the yellow light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the green light signal line of AC220 9 of the traffic signal straight row light group, legs 1 of R9 are connected to the red light signal line of AC220 9 of the traffic signal left-turn light group, legs 1 of R9 are connected to the yellow light signal line of AC220 of the traffic signal row light group, legs 1 of R9 are connected to the red light signal line of AC220 of the traffic signal row light group, legs R9 are connected to the AC220 of the red light signal group of the AC220 of the traffic signal group, legs R9 are connected to the right light signal group AC220 of the traffic signal group R9,
the UART serial port 1 of the U1 is connected with the UART serial port of the U3, the UART serial port 2 of the U1 is connected with the UART serial port of the U4,
the UART serial port 3 of U1 is connected with the UART serial port of U5, the solar panel interface of U2 is connected with the solar panel, the battery interface of U2 is connected with the battery, the live wire input 1 port of U2 is connected with the AC220V green light signal line of the annunciator straight-going light group, the live wire input 2 port of U2 is connected with the AC220V yellow light signal line of the annunciator straight-going light group, the live wire input 3 port of U2 is connected with the AC220V red light signal line of the annunciator straight-going light group, the zero line interface of U2 is connected with the AC220V power supply zero line of the annunciator, the DC power supply output port of U2 is connected with the traffic signal light power interface, the communication bus port of U3 is connected with the communication interface of the traffic signal light, and the communication bus port of U4 is connected with the communication interface of the traffic signal controller.
3. The apparatus of claims 1 and 2, wherein when the signal line for left turn, straight line and right turn of the traffic signal has a voltage of 220v ac, the corresponding signal lamp status is coupled to U1 through S1 to S9 to obtain IO1 port to IO9 port, and U1 transmits the received signal lamp status to the traffic signal lamp communication interface through U3.
4. The device of claim 1 or 2, wherein the U2 can convert the ac220v signal of the signal lamp sent by the signal into the power supply required by its own operation through the live wire input port 1, the live wire input port 2 and the live wire input port 3, and charge the battery through the battery interface of the U2, the solar panel supplies power to the device and charges the battery through the solar panel interface of the U2, and the battery can supply power to the device through the battery interface of the U2.
5. The apparatus of claims 1 and 2, wherein the U1 receives satellite time via the U4, synchronizes the clock, records the phase time of the signal light or no light output from the traffic signal, and when the traffic signal stops operating, the U1 continues to perform communication control of the traffic signal via the U3 according to the recorded phase time of the signal light.
6. The device of claim 1 and 2, wherein the U1 communicates signal light phase data exchange with the communication interface of the traffic signal controller through U5.
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Citations (6)
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CN204348080U (en) * | 2015-02-02 | 2015-05-20 | 金陵科技学院 | A kind of can the energy-conservation traffic lights of automatic fault detection |
CN205104033U (en) * | 2015-11-10 | 2016-03-23 | 活点信息技术有限公司 | Traffic signal controller |
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CN109697872A (en) * | 2019-01-31 | 2019-04-30 | 吉林微思智能科技有限公司 | It is a kind of that the intelligent mobile traffic lights of the base station GNSS differential data can be provided |
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2019
- 2019-11-21 CN CN201911147359.0A patent/CN112825213A/en active Pending
Patent Citations (6)
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US4408180A (en) * | 1980-09-08 | 1983-10-04 | Metz Ramey B | Traffic signal light intensity control |
CN101977459A (en) * | 2010-04-01 | 2011-02-16 | 东莞市大一软件科技有限公司 | Solar energy and AC alternately powered control circuit |
CN204348080U (en) * | 2015-02-02 | 2015-05-20 | 金陵科技学院 | A kind of can the energy-conservation traffic lights of automatic fault detection |
CN205104033U (en) * | 2015-11-10 | 2016-03-23 | 活点信息技术有限公司 | Traffic signal controller |
CN206237639U (en) * | 2016-11-16 | 2017-06-09 | 洪学远 | A kind of novel intelligent traffic LED signal lamp control circuit and control machine |
CN109697872A (en) * | 2019-01-31 | 2019-04-30 | 吉林微思智能科技有限公司 | It is a kind of that the intelligent mobile traffic lights of the base station GNSS differential data can be provided |
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Application publication date: 20210521 |