CN111415517A - Traffic signal lamp driving system with changeable block combination arrow patterns - Google Patents
Traffic signal lamp driving system with changeable block combination arrow patterns Download PDFInfo
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- CN111415517A CN111415517A CN201910010073.1A CN201910010073A CN111415517A CN 111415517 A CN111415517 A CN 111415517A CN 201910010073 A CN201910010073 A CN 201910010073A CN 111415517 A CN111415517 A CN 111415517A
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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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Abstract
The invention relates to a traffic signal lamp driving system with variable arrow patterns, which consists of 1 control unit U1, 1 power supply unit U2, 22 switching triodes Q1 to Q22 and 3 resistors R1 to R3, wherein the system comprises 16 controllable bus driving pins, 3 controllable power output pins, 1 RS485/RS422 communication interface and 1 power input interface, can be communicated with an upper computer through the RS485/RS422 communication interface, and can simultaneously drive three traffic signal lamps with variable arrow patterns combined by blocks.
Description
Technical Field
The invention relates to a traffic signal lamp driving system with changeable block combination arrow patterns, belonging to the technical field of road traffic signal lamps.
Background
The present invention relates to a signal lamp driving system which can change the arrow pattern of block combination.
Disclosure of Invention
The invention relates to a traffic signal lamp driving system with changeable arrow patterns combined by picture blocks, which consists of 1 control unit U1, 1 power supply unit U2, 22 switching triodes Q1 to Q22 and 3 resistors R1 to R3, wherein the system comprises 16 controllable bus driving pins, 3 controllable power supply output pins, 1 RS485/RS422 communication interface and 1 power supply input interface, and can be communicated with an upper computer through the RS485/RS422 communication interface and can simultaneously drive three traffic signal lamps with changeable arrow patterns combined by picture blocks.
In the invention, G poles of switching triodes Q1 to Q19 are correspondingly connected with IO _1 to IO _19 pins of a control unit U1 respectively, S poles of switching triodes Q1 to Q19 are connected with a power ground respectively, and D poles of switching triodes Q1 to Q16 are correspondingly connected with pins 1 to 16 respectively; the D pole of the switching triode Q17 is connected with the G pole of the switching triode Q20 and the 2 feet of the resistor R1, the D pole of the switching triode Q18 is connected with the G pole of the switching triode Q21 and the 2 feet of the resistor R2, and the D pole of the switching triode Q19 is connected with the G pole of the switching triode Q22 and the 2 feet of the resistor R3; the S pole of the switching triode Q20 is connected with the power output 1 of the power supply unit U2 and the pin 1 of the resistor R1, the D pole is connected with the pin 17, the S pole of the switching triode Q21 is connected with the power output 2 of the power supply unit U2 and the pin 1 of the resistor R2, the D pole is connected with the pin 18, the S pole of the switching triode Q22 is connected with the power output 3 of the power supply unit U2 and the pin 1 of the resistor R3, and the D pole is connected with the pin 19; the RS485/422 communication port of the control unit U1 is connected to pin 20, and the power input port of the power supply unit U2 is connected to pin 21.
In the invention, when the pin of the control unit IO _ n is logic 1, the D pole and the S pole of the corresponding switching triode Qn are conducted, and the pin n connected with the D pole of the switching triode Qn is conducted with the power ground, wherein n is a positive integer from 1 to 16, when n is 1, IO _ n is IO _1, and Qn is Q1.
In the invention, when the pin of the control unit IO _17 is logic 1, the D pole and the S pole of the corresponding switching triode Q17 are conducted, the G pole of the switching triode Q20 connected with the D pole of the switching triode Q17 is conducted with the power ground, so that the S pole and the DE pole of the switching triode Q20 are conducted, and the power output 1 of the power unit U2 outputs power from the pin 17; when the pin of the control unit IO _18 is logic 1, the D pole and the S pole of the corresponding switching triode Q18 are conducted, the G pole of the switching triode Q21 connected with the D pole of the switching triode Q18 is conducted with the ground, so that the S pole and the D pole of the switching triode Q21 are conducted, and the power output 2 of the power unit U2 outputs power from the pin 18; when the pin IO _19 of the control unit IO _19 is logic 1, the D-pole and the S-pole of the corresponding switching transistor Q19 are conducted, the G-pole of the switching transistor Q22 connected to the D-pole of the switching transistor Q19 is conducted with the ground, so that the S-pole and the D-pole of the switching transistor Q22 are conducted, and the power output 3 of the power unit U2 outputs power from the pin 17.
Drawings
FIG. 1 is a system schematic of the present invention.
Fig. 2 is an example of the use of the present invention.
In fig. 1, the traffic signal lamp driving system with a variable arrow pattern is composed of 1 control unit U1, 1 power supply unit U2, 22 switching triodes Q1 to Q22, and 3 resistors R1 to R3, and has 16 controllable bus driving pins, 3 controllable power output pins, 1 RS485/RS422 communication interface, and 1 power input interface, and can communicate with an upper computer through the RS485/RS422 communication interface, and can drive three traffic signal lamps with a variable arrow pattern simultaneously.
In fig. 1, G poles of switching transistors Q1 to Q19 are respectively connected to IO _1 to IO _19 pins of a control unit U1, S poles of switching transistors Q1 to Q19 are respectively connected to a power ground, and D poles of switching transistors Q1 to Q16 are respectively connected to pins 1 to 16; the D pole of the switching triode Q17 is connected with the G pole of the switching triode Q20 and the 2 feet of the resistor R1, the D pole of the switching triode Q18 is connected with the G pole of the switching triode Q21 and the 2 feet of the resistor R2, and the D pole of the switching triode Q19 is connected with the G pole of the switching triode Q22 and the 2 feet of the resistor R3; the S pole of the switching triode Q20 is connected with the power output 1 of the power supply unit U2 and the pin 1 of the resistor R1, the D pole is connected with the pin 17, the S pole of the switching triode Q21 is connected with the power output 2 of the power supply unit U2 and the pin 1 of the resistor R2, the D pole is connected with the pin 18, the S pole of the switching triode Q22 is connected with the power output 3 of the power supply unit U2 and the pin 1 of the resistor R3, and the D pole is connected with the pin 19; the RS485/422 communication port of the control unit U1 is connected to pin 20, and the power input port of the power supply unit U2 is connected to pin 21.
In fig. 2, the invention is numbered as M1, the red light panel of the traffic light is M2, the yellow light panel of the traffic light is M3, and the green light panel of the traffic light is M4.
In fig. 2, the names of pin 1 to pin 16 of M1, M2, M3, M4 are named CA, C L, CS, CR, C L R, C L S, CSR, C L SR, L S, L R, L a, L SR, SA, RA, a in order, respectively, and the same names of electrical connections are connected.
In fig. 2, the pin 17 of the M1 is named RED _ V, the pin 18 is named YE LL OW _ V, the pin 19 is named GREEN _ V, the pin 17 of the signal lamp panel M2 is named RED _ V, the pin 17 of the signal lamp panel M3 is named YE LL OW _ V, and the pin 17 of the signal lamp panel M4 is named GREEN _ V, which are electrically connected.
The designations in fig. 2 mean that CA is a block common to a turning arrow and a disk, C L is a block common to a turning arrow and a left-turning arrow, CS is a block common to a turning arrow and a straight arrow, CR is a block common to a turning arrow and a right-turning arrow, C L R is a block common to a turning arrow and a left-turning arrow and a right-turning arrow, C L S is a block common to a turning arrow and a left-turning arrow and a straight arrow, CSR is a block common to a turning arrow and a straight arrow, C L SR is a block common to a turning arrow and a left-turning arrow and a straight arrow, L S is a block common to a left-turning arrow and a straight arrow, L R is a block common to a left-turning arrow and a right-turning arrow, L a block common to a left-turning arrow and a disk, L SR is a block common to a left-turning arrow and a straight arrow and a right-turning arrow, SR is a block common to a straight-turning disk, RA and a block common to a right-turning arrow and a block common to a disk.
Examples
In fig. 1, when the pin IO _ n of the control unit is logic 1, the D-pole and the S-pole of the corresponding switching triode Qn are conducted, and the pin n connected to the D-pole of the switching triode Qn is conducted with the power ground, where n is a positive integer from 1 to 16, when n is 1, IO _ n is IO _1, and Qn is Q1.
In fig. 1, when the pin IO _17 of the control unit is logic 1, the D-pole and the S-pole of the corresponding switching transistor Q17 are conducted, the G-pole of the switching transistor Q20 connected to the D-pole of the switching transistor Q17 is conducted with the ground, so that the S-pole and the DE-pole of the switching transistor Q20 are conducted, and the power output 1 of the power unit U2 outputs power from the pin 17; when the pin of the control unit IO _18 is logic 1, the D pole and the S pole of the corresponding switching triode Q18 are conducted, the G pole of the switching triode Q21 connected with the D pole of the switching triode Q18 is conducted with the ground, so that the S pole and the D pole of the switching triode Q21 are conducted, and the power output 2 of the power unit U2 outputs power from the pin 18; when the pin IO _19 of the control unit IO _19 is logic 1, the D-pole and the S-pole of the corresponding switching transistor Q19 are conducted, the G-pole of the switching transistor Q22 connected to the D-pole of the switching transistor Q19 is conducted with the ground, so that the S-pole and the D-pole of the switching transistor Q22 are conducted, and the power output 3 of the power unit U2 outputs power from the pin 17.
In FIG. 2, when CA, C L, CS, CR, C L R, C L S, CSR, C L SR are conducted to ground while RED _ V or YE LL OW _ V or GREEN _ V is applied with voltage, the corresponding signal lamp shows a turn-around arrow pattern.
In fig. 2, when C L, C L R, C L S, C L SR, L S, L R, L a, L SR are conducted to the ground while RED _ V or YE LL OW _ V or GREEN _ V is applied with voltage, the corresponding signal lamp displays a left-turn arrow pattern.
In fig. 2, when CS, C L S, CSR, C L SR, L S, L SR, SA are conducted with the power ground while RED _ V or YE LL OW _ V or GREEN _ V is applied with a voltage, the corresponding signal lamp shows a straight arrow pattern.
In fig. 2, when CR, C L R, CSR, C L SR, L R, L SR, RA are conducted with the power ground while RED _ V or YE LL OW _ V or GREEN _ V is applied with a voltage, the corresponding signal lamp shows a right-turn arrow pattern.
In FIG. 2, when CA, L A, SA, RA, A are conducted to ground while RED _ V or YE LL OW _ V or GREEN _ V is energized, the corresponding signal lights display a disc pattern.
Claims (5)
1. The invention relates to a traffic signal lamp driving system with changeable arrow patterns combined by picture blocks, which consists of 1 control unit U1, 1 power supply unit U2, 22 switching triodes Q1 to Q22 and 3 resistors R1 to R3, wherein the system comprises 16 controllable bus driving pins, 3 controllable power supply output pins, 1 RS485/RS422 communication interface and 1 power supply input interface, and can be communicated with an upper computer through the RS485/RS422 communication interface and can simultaneously drive three traffic signal lamps with changeable arrow patterns combined by picture blocks.
2. In the system described in the above 1, the G poles of the switching transistors Q1 to Q19 are respectively connected to the IO _1 pin to the IO _19 pin of the control unit U1, the S poles of the switching transistors Q1 to Q19 are respectively connected to the power ground, and the D poles of the switching transistors Q1 to Q16 are respectively connected to the pin 1 to the pin 16; the D pole of the switching triode Q17 is connected with the G pole of the switching triode Q20 and the 2 feet of the resistor R1, the D pole of the switching triode Q18 is connected with the G pole of the switching triode Q21 and the 2 feet of the resistor R2, and the D pole of the switching triode Q19 is connected with the G pole of the switching triode Q22 and the 2 feet of the resistor R3; the S pole of the switching triode Q20 is connected with the power output 1 of the power supply unit U2 and the pin 1 of the resistor R1, the D pole is connected with the pin 17, the S pole of the switching triode Q21 is connected with the power output 2 of the power supply unit U2 and the pin 1 of the resistor R2, the D pole is connected with the pin 18, the S pole of the switching triode Q22 is connected with the power output 3 of the power supply unit U2 and the pin 1 of the resistor R3, and the D pole is connected with the pin 19; the RS485/422 communication port of the control unit U1 is connected to pin 20, and the power input port of the power supply unit U2 is connected to pin 21.
3. In the system described in 1, when the pin IO _ n of the control unit is logic 1, the D pole of the corresponding switching triode Qn is conducted with the S pole, and the pin n connected with the D pole of the switching triode Qn is conducted with the power ground, where n is a positive integer from 1 to 16, and when n is 1, IO _ n is IO _1, and Qn is Q1.
4. In the system described in 1, when the pin IO _17 of the control unit is logic 1, the D pole and the S pole of the corresponding switching transistor Q17 are conducted, the G pole of the switching transistor Q20 connected to the D pole of the switching transistor Q17 is conducted with the ground, so that the S pole and the DE pole of the switching transistor Q20 are conducted, and the power output 1 of the power unit U2 outputs power from the pin 17; when the pin of the control unit IO _18 is logic 1, the D pole and the S pole of the corresponding switching triode Q18 are conducted, the G pole of the switching triode Q21 connected with the D pole of the switching triode Q18 is conducted with the ground, so that the S pole and the D pole of the switching triode Q21 are conducted, and the power output 2 of the power unit U2 outputs power from the pin 18; when the pin IO _19 of the control unit IO _19 is logic 1, the D-pole and the S-pole of the corresponding switching transistor Q19 are conducted, the G-pole of the switching transistor Q22 connected to the D-pole of the switching transistor Q19 is conducted with the ground, so that the S-pole and the D-pole of the switching transistor Q22 are conducted, and the power output 3 of the power unit U2 outputs power from the pin 17.
5. In the system described in the above 1, the control unit U1 can control the voltage states of the pins 1 to 19 of the system by controlling the high or low of the level logic from the pin IO _1 to the pin IO _19, so as to control the traffic signal light connected to the system, in which the arrow pattern of the combination of the blocks is changeable, to display the turn arrow, the left turn arrow, the straight arrow, the right turn arrow, and the circular pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010073.1A CN111415517A (en) | 2019-01-07 | 2019-01-07 | Traffic signal lamp driving system with changeable block combination arrow patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910010073.1A CN111415517A (en) | 2019-01-07 | 2019-01-07 | Traffic signal lamp driving system with changeable block combination arrow patterns |
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|---|---|
| CN111415517A true CN111415517A (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910010073.1A Pending CN111415517A (en) | 2019-01-07 | 2019-01-07 | Traffic signal lamp driving system with changeable block combination arrow patterns |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567010B1 (en) * | 2000-03-31 | 2003-05-20 | Fong-Jei Lin | Traffic signal head with multiple LED illumination sources |
| CN201322998Y (en) * | 2008-12-31 | 2009-10-07 | 河南天途路业有限公司 | Road traffic signal counting down display |
| CN201344454Y (en) * | 2009-01-12 | 2009-11-11 | 宁波华路德交通设备科技有限公司 | Traffic light with variable patterns |
| CN103177591A (en) * | 2013-03-14 | 2013-06-26 | 上海新中新猎豹交通科技股份有限公司 | Intelligent-type road traffic signal lamp, signal control system and signal control method |
| CN103582216A (en) * | 2012-07-31 | 2014-02-12 | 吴汉肱 | Voice control LED lamp circuit |
| CN204215565U (en) * | 2014-11-21 | 2015-03-18 | 王志海 | Multi-usage steering indicating light |
| CN104986099A (en) * | 2015-06-05 | 2015-10-21 | 穆振冬 | Intelligent automobile lamp control method and system |
| CN204998400U (en) * | 2015-09-10 | 2016-01-27 | 李洪久 | Driving pilot lamp device |
-
2019
- 2019-01-07 CN CN201910010073.1A patent/CN111415517A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6567010B1 (en) * | 2000-03-31 | 2003-05-20 | Fong-Jei Lin | Traffic signal head with multiple LED illumination sources |
| CN201322998Y (en) * | 2008-12-31 | 2009-10-07 | 河南天途路业有限公司 | Road traffic signal counting down display |
| CN201344454Y (en) * | 2009-01-12 | 2009-11-11 | 宁波华路德交通设备科技有限公司 | Traffic light with variable patterns |
| CN103582216A (en) * | 2012-07-31 | 2014-02-12 | 吴汉肱 | Voice control LED lamp circuit |
| CN103177591A (en) * | 2013-03-14 | 2013-06-26 | 上海新中新猎豹交通科技股份有限公司 | Intelligent-type road traffic signal lamp, signal control system and signal control method |
| CN204215565U (en) * | 2014-11-21 | 2015-03-18 | 王志海 | Multi-usage steering indicating light |
| CN104986099A (en) * | 2015-06-05 | 2015-10-21 | 穆振冬 | Intelligent automobile lamp control method and system |
| CN204998400U (en) * | 2015-09-10 | 2016-01-27 | 李洪久 | Driving pilot lamp device |
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