| 基于低压传输和供电的LED交通信号灯控制系统设计 |
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| 引用本文： | 黄凯梁,李志敏,郭科伟.基于低压传输和供电的LED交通信号灯控制系统设计[J].灯与照明,2010,34(4):53-55. |
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| 作者姓名： | 黄凯梁 李志敏 郭科伟 |
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| 作者单位： | 重庆大学光电工程学院,重庆400044 |
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| 基金项目： | 国家科技部科技创新基金 |
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| 摘 要： | 该文设计了一种基于低压传输和供电的LED交通信号灯控制系统,采用36 V低压传输方式实现对LED交通信号灯的控制和驱动,并将传输的低压控制信号作为LED交通信号灯的供电电源。该系统可以适应较宽的输入电压变化范围,从而解决了低压信号在传输中存在的线损问题,保证了系统对LED交通信号灯的可靠控制。
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| 关 键 词： | 低压传输 交通信号灯 线损 |
Design of Control System for LED Traffic Lights Based on Low-voltage Transmission and Power Supply |
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| Huang Kailiang,Li Zhimin,Guo Kewei.Design of Control System for LED Traffic Lights Based on Low-voltage Transmission and Power Supply[J].Light & Lighting,2010,34(4):53-55. |
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| Authors: | Huang Kailiang Li Zhimin Guo Kewei |
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| Affiliation: | ( College of Optoelectronic Engineering, Chongqing University, Chongqing 400044 ) |
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| Abstract: | A control system for LED traffic lights based on low-voltage transmission and power supply is designed in this paper, in which we use mode of 36 V low-voltage transmission to drive and control LED traffic lights, and take use of low-voltage control signals as power supply. The system can adapt to input voltage with a wide rang, so as to it solve the effect of line losses consisting in low-voltage signal transmission, and guarantee reliable control for LED traffic lights. |
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| Keywords: | low-voltage transmission traffic lights line loss |
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