CN201518162U - Intelligent traffic signal control system based on power line carrier - Google Patents
Intelligent traffic signal control system based on power line carrier Download PDFInfo
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- CN201518162U CN201518162U CN200920197025XU CN200920197025U CN201518162U CN 201518162 U CN201518162 U CN 201518162U CN 200920197025X U CN200920197025X U CN 200920197025XU CN 200920197025 U CN200920197025 U CN 200920197025U CN 201518162 U CN201518162 U CN 201518162U
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Abstract
An intelligent traffic signal control system based on power line carrier belongs to the technical field of intelligent traffic control. The system comprises control host machine modules and a plurality of slave machine modules. The utility model adopts the main technical characteristic that each control host machine module or each slave machine module comprises a power line carrier receiving/sending module. The system is characterized in that the power line carrier technology is fully utilized to transmit and control signals, so that the signals and power supply are transmitted through the same cable, and a crossing signal indication device is effectively controlled. Besides, the device supports the control function of a wired and wireless data transmission upper computer, has convenient phase configuration and timing operation, and can be used by operating staffs very conveniently.
Description
Technical field
Belong to intelligent transportation control technology field
Background technology
At present, the intelligent traffic signal lamp control system signal controlling mainly adopts cable power transmission to light signal lamp, control section all is installed in the control cabinet, every group of signal lamp needs at least 4 line of electric force (3 kinds of light color signals), by 4 directions, 3 groups of (3 groups altogether) lamp meters of each direction, single crossing needs 40 core transfer wires, the cable waste, the line arrangement difficulty is big.Countdown or issuing traffic induction information need to increase in addition the communications cable if desired, and the overlapping investment expense increases, and drawing-in wire is difficulty more.Especially, for original signal lamp intersection that the city need be transformed, cabling can't be implemented again, installs the communicating wireless signals module additional, owing to be in the city, situation about often being disturbed is very serious, and system is difficult to stable effectively work.
PLC technology reaches its maturity, and the transmitting terminal signal is loaded into the power transmission lines transmission through the modulation of power carrier chip, and receiving end demodulates corresponding signal by carrier chip from line of electric force, the control corresponding apparatus.
Summary of the invention
The utility model provides a kind of saving cable laying cost, having solved city old crossing transformation can't rewiring, need not to increase under the situation of more cables, having satisfied the needs cause for gossip of satisfying the need executes signal controlling, shows the demand of countdown and induction information, the long-time steady operation of non-fault under various weather conditions, the intelligent traffic signal control system that policer operation is easy based on power carrier.
The utility model is achieved by the following technical solution: native system comprises main control system module and a plurality of slave module, and its major technique feature is every main control system or all includes a power carrier reception/sending module from the collection module; The power carrier module, the signal modulation back that transmitting terminal will be needed to send by ST7538Q is coupled on the line of electric force by pickup coil T1 and is transmitted, and receiving end is delivered to after the ST7538 demodulation serial data of baud rate 4800bps by the signal of pickup coil T1 after with the signal modulation and sent; The gps signal receiver module is that SKG17 piece and MAX232 are the serial signal output interface chip; Main control system CPU module comprises embedded type CPU EP7312 and RTL8019 network service chip or STC89C51 single-chip microcomputer and MAX232 serial communication chip; Output module is by the 74HC373 code translator, and control photocoupler set MOC3041 exports the light color signal; Slave CPU module comprises STC89C51 single-chip microcomputer and MAX232 serial communication chip.
Every main control system or all include power carrier a receptions/sending module from the collection module, system fully takes into account lightning protection and noiseproof feature, guarantees that system is stable for a long time effectively to move.The utility model innovative point is to make full use of the PLC technology transmission of control signals, makes signal and power supply by also effectively controlling crossing signal indicating equipment with a pair of cable transmission.
System adopts ARM embedded chip and STC single-chip microcomputer, and circuit design is succinct, saves the cable usage quantity in a large number, reduces cable and lays the time.This device is supported wire and wireless data transmission PC control function, phase configuration and timing simple operation, and operating personnel are very easy to use.
Description of drawings
Fig. 1 is based on power carrier traffic signal control system principle of work;
Fig. 2 is based on power carrier traffic signal control system theory diagram;
Fig. 3 electric power transfer module principle figure;
Fig. 4 is based on the intelligent traffic signal control system of power line carrier, PLC mode;
Fig. 5 hardware control system modular structure.
Embodiment:
As shown in Figure 1, main control system is modulated to control signal on the low-voltage power transmission line (AC 220V) by power carrier chip ST7538Q, and the slave module is then by ST753Q8 chip the signal demodulation come out from the line of electric force control signal lamp, countdown and induce board etc.
As Fig. 2, Fig. 3,1 is the power carrier module, the signal modulation back that transmitting terminal will be needed to send by ST7538Q is coupled on the line of electric force by pickup coil T1 and is transmitted, and receiving end is delivered to after the ST7538 demodulation serial data of baud rate 4800bps by the signal of pickup coil T1 after with the signal modulation and sent.2 is the gps signal receiver module, and SKG17 is the GPS module, and MAX232 is the serial signal output interface chip.3 is main control system CPU module, comprises embedded type CPU EP7312 and RTL8019 network service chip or STC89C51 single-chip microcomputer and MAX232 serial communication chip.4 is output module, by the 74HC373 code translator, and control photocoupler set MOC3041 output light color signal.5 is slave CPU module, comprises STC89C51 single-chip microcomputer and MAX232 serial communication chip.This product adopts the standalone chassis structure, and system stability is reliable, supports fiber optic network, wireless data communications and direct serial communication.
As Fig. 4, this product is applied to intelligent traffic control system, the application system topology diagram.The utility model system comprises 1 main control system, 28 slave machines.The innovation part of native system is to introduce the power line carrier, PLC module, utilizes the power carrier transmission of control signals, thereby reaches the in order purpose of scheduling of crossing signal, need not simultaneously to increase under the situation of the communications cable to realize countdown and induction information issue.
As Fig. 5, native system comprises 1 main control system module and a plurality of slave module, the slave module comprises signal lamp, countdown, induces board etc., 32 of max capies, every main control system or from the collection module, all include a power carrier reception/sending module, system fully takes into account lightning protection and noiseproof feature, guarantees the stable for a long time effectively operation of system.
Claims (2)
1. the intelligent traffic signal control system based on power carrier comprises main control system module and a plurality of slave module, and its major technique feature is every main control system or all includes a power carrier reception/sending module from the collection module.
2. a kind of intelligent traffic signal control system as claimed in claim 1 based on power carrier, the signal modulation back that the transmitting terminal that it is characterized in that described power carrier reception/sending module will be needed to send by ST7538Q is coupled on the line of electric force by pickup coil T1 and is transmitted, and receiving end is delivered to after the ST7538 demodulation serial data of baud rate 4800bps by the signal of pickup coil T1 after with the signal modulation and sent; The gps signal receiver module is that SKG17 piece and MAX232 are the serial signal output interface chip; Main control system CPU module comprises embedded type CPU EP7312 and RTL8019 network service chip or STC89C51 single-chip microcomputer and MAX232 serial communication chip; Output module is by the 74HC373 code translator, and control photocoupler set MOC3041 exports the light color signal; Slave CPU module comprises STC89C51 single-chip microcomputer and MAX232 serial communication chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920197025XU CN201518162U (en) | 2009-09-14 | 2009-09-14 | Intelligent traffic signal control system based on power line carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920197025XU CN201518162U (en) | 2009-09-14 | 2009-09-14 | Intelligent traffic signal control system based on power line carrier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201518162U true CN201518162U (en) | 2010-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN200920197025XU Expired - Fee Related CN201518162U (en) | 2009-09-14 | 2009-09-14 | Intelligent traffic signal control system based on power line carrier |
Country Status (1)
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| CN (1) | CN201518162U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289941A (en) * | 2011-06-21 | 2011-12-21 | 天津市顺通电子有限公司 | Traffic signal lamp system controlled by power line carriers |
| CN103292940A (en) * | 2013-03-02 | 2013-09-11 | 杭州银江智慧城市技术有限公司 | Low-voltage telegraph pole stay cable pre-tightening force remote monitoring system of power line carrier technology |
| CN103728875A (en) * | 2013-12-31 | 2014-04-16 | 苏州市职业大学 | GPS clock based on power line carriers |
| CN105469614A (en) * | 2015-12-24 | 2016-04-06 | 沈阳天久信息技术工程有限公司 | Method, device and system for traffic signal control |
| CN107985226A (en) * | 2017-11-14 | 2018-05-04 | 天津科技大学 | Vehicle electric power carrier wave lighting system and its implementation |
-
2009
- 2009-09-14 CN CN200920197025XU patent/CN201518162U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102289941A (en) * | 2011-06-21 | 2011-12-21 | 天津市顺通电子有限公司 | Traffic signal lamp system controlled by power line carriers |
| CN103292940A (en) * | 2013-03-02 | 2013-09-11 | 杭州银江智慧城市技术有限公司 | Low-voltage telegraph pole stay cable pre-tightening force remote monitoring system of power line carrier technology |
| CN103292940B (en) * | 2013-03-02 | 2015-05-20 | 杭州银江智慧城市技术有限公司 | Low-voltage telegraph pole stay cable pre-tightening force remote monitoring system of power line carrier technology |
| CN103728875A (en) * | 2013-12-31 | 2014-04-16 | 苏州市职业大学 | GPS clock based on power line carriers |
| CN105469614A (en) * | 2015-12-24 | 2016-04-06 | 沈阳天久信息技术工程有限公司 | Method, device and system for traffic signal control |
| CN107985226A (en) * | 2017-11-14 | 2018-05-04 | 天津科技大学 | Vehicle electric power carrier wave lighting system and its implementation |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20110914 |