大学毕业设计---集成直流稳压电源设计.doc

本科毕业论文（设计）直流稳压电源设计题目学院专业班级学号学生姓名指导教师完成日期xxxxxxxx学院教务处制二〇一三年五月摘要随着科技的发展，电气、电子设备已经在日常、科研、学习等各个方面得到广泛的应用。电源作为电气、电子设备必不可少的能源供应部件，其需求日益增多，并且对电源的功能、稳定性等各项指标也要求更高。对电源的研究和开发已经成为新技术、新设备开发的重要环节，它对推动科技发展起着重要作用。采用三端式稳压电路设计直流稳压电源，通过相关知识可计算出电路中各个器件的参数，使电路性能达到设计要求的电压调整率，电流调整率，负载调整率，纹波电压等各种指标。利用protues仿真软件对所设计的电路进行仿真调试，使设计达到要求。直流稳压电压电源的设计思路是将220V，50HZ市交流电通过变压器降为合适交流电压值，然后经过整流电路将交流电转为直流电，再通过滤波电路滤除直流电中的交流成分，最后通过集成稳压器构成的稳压电路转化为稳定直流电输出。集成稳压器具有体积小、重量轻、安装和调试方便、可靠性和稳定性高等优点。关键词：电源稳压整流滤波AbstractAlongwithtechnicaldevelopment,theelectricityandelectronicinstrumentshavealreadybeenwidespreadappliedindaily,scientificresearch,studyandsooneachaspect.Sincethepowersupplytakestheessentialenergy-supplypartofelectricalandelectronicinstruments,itsdemandincreasesdaybyday,andalsobeensetahigherrequesttofunction,stabilityandsooneachtarget.Thepowersupplyresearchhasalreadybecometheimportantlinktothedevelopmentofthenewtechnologyandthenewequipment.It’splayingthevitalroleintheimpetusofscienceandtechnologydevelopment.Thisdesignmainlyusesserieslinearconstantvoltagecircuittodesigndirectcurrentconstantvoltagepowersupply.Wemustcalculatevariouseachcomponentparameterinthecircuitsbycorrelatedknowledgeandenablethecircuitperformancetomeetinthedesignrequirementssuchasthevoltageregulationrate,thecurrentregulationrate,loadregulationrate,ripplevoltageandsoon.Thisdesignideasforthe220V,50HZelectricityfellrightthroughthestep-downtransformerACvoltagevalue,andthroughtherectifiercircuittoalternatingcurrenttodirectcurrent,andthenfilteredthroughthefiltercircuitintheexchangeofDCcomponents,thefinalcompositionviaanintegratedvoltageregulatorTheregulatorcircuitintoastableDCoutput.AndanintegratedvoltageregulatorICswithgeneralsmallsize,lightweight,easyinstallationandcommissioning,reliabilityandstabilityofthehigherbenefits.KeyWords:Powervoltagestabilizingrectifierfiltering目录TOC\o"1-3"\h\uHYPERLINK\l_Toc20751第一章绪论PAGEREF_Toc207511HYPERLINK\l_Toc130551.1研究的背景和意义PAGEREF_Toc130551HYPERLINK\l_Toc258941.2电源的应用和发展现状PAGEREF_Toc25894