led驱动电源的设计本科学位论文.docx
《led驱动电源的设计本科学位论文.docx》由会员分享,可在线阅读,更多相关《led驱动电源的设计本科学位论文.docx(33页珍藏版)》请在冰豆网上搜索。
![led驱动电源的设计本科学位论文.docx](https://file1.bdocx.com/fileroot1/2022-10/12/3126137a-b784-4114-95ac-89b6a5322b00/3126137a-b784-4114-95ac-89b6a5322b001.gif)
led驱动电源的设计本科学位论文
摘要........................................................................................................................................3Abstract...........................................................................................................................................4
绪论................................................................................................................................................5
1.1引言.........................................................................................................................5
1.2电源的发展趋势....................................................................................................5
1.3国内外研究现状....................................................................................................5
1.4本文的研究内容....................................................................................................6
1.5照明光源的发展与优缺点....................................................................................7
1.6LED电源设计要求...............................................................................................8
第2章开关电源的所具有制作..................................................................................................10
2.1开关电源的基本原理...........................................................................................10
2.2开关电源的几种拓扑结构...................................................................................11
2.3本文数控电源的控制形式...................................................................................11
2.4反激式开电源的工作原理...................................................................................12
2.5反激式开关电源的设计..........................................................................................14
2.5.1,确定设计要求..........................................................................................14
2.5.2,IC的选择..................................................................................................14
2.6,变压器的设计........................................................................................................15
2.6.1,开关电源变压器的绕线方法...................................................................15
2.6.2,磁饱和.......................................................................................................15
2.6.3,变压器参数的计算...................................................................................16
2.7本章小结.................................................................................................................21
第3章第3章主控板的制作与系统软件设计.......................................................................21
3.1主控板电路原理图模块.........................................................................................21
3.2系统软件设计........................................................................................................24
3.2.1主程序设计.................................................................................................25
3.2.2A/D模块程序...............................................................................................26
3.2.3PWM模块....................................................................................................26
3.3本章小结.................................................................................................................26
第4章第4章结果与讨论....................................................................................................27
4.1开关电源原边电压波形图.....................................................................................27
4.2开关管的占空比.....................................................................................................29
4.3开关电源的效率.....................................................................................................30
4.3.1漏感导致效率低..........................................................................................31
4.3.2励磁电流导致.............................................................................................31
4.3.3原件及磁芯的选取......................................................................................31
4.4单片机的电压、温度采集与PWM控制..............................................................33
4.5作品实物图片..........................................................................................................33
4.5.1开关电源实物作品图片.............................................................................34
4.5.2单片机控制模块作品图片.........................................................................34
4.6本章小结..................................................................................................................34
参考文献......................................................................................................................................36
致谢..............................................................................................................................................37
摘要
与传统开关电源相比,数控电源具有智能功率管理功能,是未来智能电网终端应用的重要技术。
在开关电源