目錄
   
0前言 …………………………………………………………………3
1直流穩(wěn)壓電源概述 ………………………………………………………………………4
1.1 智能化……………………………………………………………………4
1.2數(shù)字化……………………………………………………………4
1.3模塊化……………………………………………………………5
1.4綠色化 …………………………………………………………………5
2數(shù)控直流穩(wěn)壓電源的國內(nèi)外研究現(xiàn)狀 ……………………………………………………5
3系統(tǒng)硬件設(shè)計 ……………………………………………………………………6
3.1系統(tǒng)電源模塊……………………………………………………6
3.2電源調(diào)整模塊…………………………………………………………………………..6
3.3D/A轉(zhuǎn)換模塊…………………………………………………………………………..7
3.4顯示與鍵盤模塊………………………………………………………………………...9
4系統(tǒng)軟件設(shè)計…………………………………………………………………………………9
5結(jié)論 ……………………………………………………………………………10
致謝  ……………………………………………………………………………11
參考文獻…………………………………………………………………………12

摘要

    隨著電力電子技術(shù)的迅速發(fā)展，數(shù)控直流穩(wěn)壓電源應用非常廣泛，其好壞直接影響著電氣設(shè)備或控制系統(tǒng)的工作性能。本文介紹了一種基于單片機的智能穩(wěn)壓電源的設(shè)計方案。其核心技術(shù)是通過單片機控制數(shù)模轉(zhuǎn)換來改變其后的穩(wěn)壓模塊的輸出。該系統(tǒng)由整流濾波初步穩(wěn)壓部分、單片機控制部分、DAC和顯示部分組成。該電路具有數(shù)字調(diào)節(jié)，輸出精度高的特色。

關(guān)鍵詞：數(shù)控；直流穩(wěn)壓；單片機；電源

Abstract

 Along with the rapid development of the power electronic technology.Numerical control www.51lunwen.comdc voltage source is used extensively.Its direct impact on electrical equipment or control system performance.This paper introduces a single-chip microcomputer-based Intelligent Power Supply Design program.Its core technology through the MCU to control digital-to-analog converters to change the voltage regulator module subsequent output.The system consists of rectifier filter preliminary regulator of the MCU control of the DAC and display components.This circuit has digital adjustment,and the characteristics of high precision output.

Key words: CNC；Dc voltage；MCU；Powe


關(guān)鍵詞：數(shù)控；直流穩(wěn)壓；單片機；電源