基于单片机的atx电源智能检测仪的设计--大学毕业论文.doc

基于单片机的 ATX 电源智能检测仪的设计

目 录

摘 要..........................................................................................................................1

关键词........................................................................................................................1

Abstract ......................................................................................................................1

Key word....................................................................................................................1

引言............................................................................................................................2

2.3　各模块的介绍................................................................................................8

2.3.1　直流电源模块......................................................................................8

2.3.2　单片机模块..........................................................................................8

2.3.3　数据采集模块......................................................................................9

2.3.3　开关模块............................................................................................13

2.3.4　显示模块............................................................................................18

3.　硬件电路...............................................................................................................20

3.1　电源模块......................................................................................................20

3.2　单片机模块..................................................................................................21

3.3　AD 模块 .......................................................................................................22

5.　调试.......................................................................................................................28

5.1　AD 芯片与下载线的影响 ...........................................................................28

5.2　AD 的时序 ...................................................................................................28

5.3　AD 数据高低位 ...........................................................................................29

5.4　CD4051 的正常工作电压 ...........................................................................29

6.　结论.......................................................................................................................30

参考文献......................................................................................................................30

致谢..............................................................................................................................32

附录..............................................................................................................................33

+12V、+3.3V 几个大功率输出端口的电压，判断 ATX 电源的的性能。本产品能很

准确的检测出 ATX 电源的实际带负载能力，为 ATX 电源实际性能检测提供了有力

依据。

power supply design. The detector is intelligent computer power supply output

voltage for testing to determine their quality of a product. The idea of design is to use

the AD chip ATX power supply output voltage to the actual collection, through MCU