新型实验LED驱动装置设计与实现  

Design and Realization of the New Experimental LED Driver Power Supply Device

作　　者：黄峥[1] 古鹏[2] 

机构地区：[1]广州大学机电工程学院,广东广州510006 [2]广州大学计算机科学与教育软件学院,广东广州510006

出　　处：《实验室研究与探索》2014年第8期84-88,共5页Research and Exploration In Laboratory

基　　金：国家自然科学基金资助项目(61100150)

摘　　要：对LED及其驱动装置的特性,从理论到设计进行了探讨。该装置是由嵌入式计算机控制模块,对以大功率三极管为核心的恒流源电路进行控制,采用双供、双路输出充电方式,且双供电源采用独创的智能无触式电子开关,能够自动完成供电方式的切换。系统还可对电池的电量进行检测,电量低时能够自动充电。本设计由STC(香港标准及检定中心)进行了磁辐射泄漏的极限测试,其数据表明所完成的设计是成功的。LED is a trend of development and application of the light source in future,the design of LED drive is a new technology in lighting field.The main function of LED driver in a certain condition,no matter the input and output voltages change,can stabilize the current flowing through the LED.Characteristics of LED and its driving device,from theory to design,are deeply discussed.The design uses double supply,dual output charge mode,and consists of embedded computer control module,control of the constant current source circuit with large power triode as the core.Dual power supply of the original intelligent contactless electronic switching power supply automatically,system can also be used for battery power detection and automatic charging.This design was also tested by STC （The Hongkong standards and Testing Center）,about the ultimate of magnetic radiation leakage,the data show that the design is successful.

关 键 词：供电方式 恒流源 驱动装置 电子开关 

分 类 号：TP271.5[自动化与计算机技术—检测技术与自动化装置]