基于单片机的电能收集充电器设计  

The energy collecting charger design based on SCM

作　　者：时海涛[1] 李林[1] 王心刚[1] 刘辉[1] 

机构地区：[1]中国石油大学(华东)信息与控制工程学院,山东东营257061

出　　处：《工业仪表与自动化装置》2011年第3期103-106,共4页Industrial Instrumentation & Automation

基　　金：山东省自然科学基金项目资助(ZR2009FL027)

摘　　要：介绍了一种电能收集充电器的设计和实现方案。该充电器可将0~20 V直流电源的能量传递到3.6 V以上的可充电电池中,实现对便携式电子产品的应急充电。该设计以C8051F120单片机为控制核心,以MAX1703为DC/DC变换器实现两级控制。通过继电器切换电源变换电路,在电源过压时及时进行切换保护,发光二极管点亮报警。LCD显示间歇时间和输出电流,人机交互界面友好。实验结果表明该充电器具有工作电压范围宽,效率高,可靠性好等优点。This paper introduces a kind of design and program implementation of the energy collecting charger.The charger can transfer the energy of 0~20 V direct-current power supply to 3.6 V above rechargeable batteries to realize the emergency charging of portable electronic products.This design uses C8051F120 SCM（Single Chip Micyoco） as the cybernetics core,with MAX1703 for DC/DC converter realizing two-step control.With the relay switching power supply and transferring circuit and the light-emitting diode lightening alarm,the power transformation of over-voltage protection when switching time,light emitting diode.LCD display quench time and output current,with man-machine interface user-friendly.Experimental results show that the charger has the merit of wide working voltage range,high efficiency and good reliability,etc.

关 键 词：MAX1703 C8051F120单片机 数控恒流 LCD 继电器 

分 类 号：TP242[自动化与计算机技术—检测技术与自动化装置]