超聲波用開關(guān)電源的設(shè)計

超聲波用開關(guān)電源的設(shè)計,超聲波,開關(guān)電源,設(shè)計 河南科技學(xué)院 2010 屆本科畢業(yè)論文（設(shè)計） 論文題目：超聲波用開關(guān)電源的設(shè)計 學(xué)生姓名：馬 繼 輝 所在院系：機 電 學(xué) 院 所學(xué)專業(yè)：電氣工程及其自動化 指導(dǎo)老師：陳 艷 鋒 完成時間：2010 年 5 月 27 日 摘 要 針對大功率超聲波電源高精度、高功率輸出的特點．對超聲波電源控制策略 進行了改進。本論文以超聲波開關(guān)電源為研究目的，詳細(xì)地敘述了基于 56F803 型 DSP 的頻率跟蹤與功率 調(diào)節(jié)相結(jié)合的周期分段移相控制策略，研究了基于此 控制方法的超聲波電源。在 論文中簡單介紹了 56F803 型 DSP 的結(jié)構(gòu)以及 IR21lO 型驅(qū)動模塊的應(yīng)用；超聲波的物理性質(zhì)和超聲波發(fā)生器的原理，以及其在 工業(yè)清洗上的應(yīng)用；超聲波換能器的匹配設(shè)計。 關(guān)鍵詞：超聲波電源；頻率跟蹤與功率協(xié)調(diào)控制；56F803 The super voice wave uses the design of switch power supply Abstract Aim at big power a super voice accuracy with high wave power supply, high power output's characteristics.carried on an improvement to super voice the wave power supply control strategy.This thesis with super voice wave switch power supply is study a purpose, in detail described a type DSP frequency to follow the period cent segment which regulates to combine together with power to move to mutually control strategy according to the 56 F803, studied according to this control method of super voice wave power supply.In brief introduced a 56 F803 a type the application which drives a mold piece of DSP structure and the IR21 lO type in the thesis;Super voice the physical property of the wave wave occurrence with super voice the principle of the machine, and it is cleaning industry the last application;The super voice wave changes a match of ability machine a design. Key words: Super voice wave power supply;The frequency follows to moderate a control with power; 56F803 目 錄 1 引言 ............................................................................................................................1 2 設(shè)計方案 ....................................................................................................................2 2.1 方案對比選擇 ......................................................................................................2 2.2 控制方式的選擇 ..................................................................................................2 3 系統(tǒng)結(jié)構(gòu)框圖 ............................................................................................................3 4 DSP 外圍器件的設(shè)計 .................................................................................................4 4.1 整流濾波電路 ......................................................................................................4 4.2 主控制電路 ..........................................................................................................5 4.2.1 56F803 型 DSP ..............................................................................................5 4.2.2 高頻逆變單元 ...............................................................................................7 4.2.3 IGBT 驅(qū)動模塊 ..............................................................................................8 4.3 頻率跟蹤控制單元 ..............................................................................................9 4.4 模擬鍵控制模塊 ................................................................................................10 4.5 保護電路 ............................................................................................................11 4.6 顯示電路 ............................................................................................................12 4.7 PWM 產(chǎn)生單元 ..................................................................................................12 5 軟件設(shè)計與分析 ......................................................................................................14 5.1 主程序流程圖 ....................................................................................................14 5.2 模擬控制鍵子程序 ........................................................................................15 5.3 A/D 轉(zhuǎn)換子程序 .............................................................................................15 6 結(jié)束語 ......................................................................................................................16 謝辭 ..............................................................................................................................18 參考文獻 ......................................................................................................................19 附圖 整體電路圖 ........................................................................................................20