基于51单片机数控步进直流稳压电源.doc

长沙航空职业技术学院 1 长沙航空学院《数控步进稳压电源》数控步进直流稳压电源的设计与制作组别第2组姓名 xxxxxxxxxxxx 指导老师 xxxxxxxxxxx 长沙航空职业技术学院 2 摘要随着电子技术的发展,人们对电子产品的精确度与灵活性要求越来越高,其中电子产品中电路对电源的要求也越来越高,可调电源由原来的手动调节开始转变成现如今的步进控制,步进精度可以达到 以下, 输出电压范围 0~15V , 电流可以达到 2A。本文介绍的数控直流步进稳压电源是以 AT89S52 单片机为控制核心,通过 AD/DA 转换来步进控制输出电源,并以 12864 液晶显示器作为显示模块,显示输出电压、电流与功率数值得大小。关键词: 直流稳压电源;单片机;数控; DAC0832 ;ADC0809 ;故障报警长沙航空职业技术学院 3 Abstract With the development of electronic technology, people on the accuracy of the electronic products and flexibility requirement more and more high, including electronic products to the requirements of the power supply circuit more and more is also high, adjustable power from the original manual adjustment is beginning to change into the nowadays stepping control, step precision can reach V the following, output voltage range 0~ 15 V, current can be to reach 2 A. This paper introduces the numerical control dc step voltage stabilizer AT89S52 SCM is as control core, through the AD/DA conversion to stepping control output power, and with 12864 LCD display module as shows that the output voltage, current, and power worth size number. Keywords : dc voltage stabilizer; SCM; Numerical control; DAC0832; ADC0809; Fault alarm 长沙航空职业技术学院 4 目录摘要..................................................................................................................................................... 2 Abstract ........................................................................................................................................... 3 第一章方案比较与设计.............................................................................................................. 5 1 .1 设计题目及要求..................................................................................................................... 5 方案比较与选择..................................................................................................................... 6 控制电路方案比较与选择......................................................................