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1、直流穩(wěn)定電源設(shè)計(jì)報(bào)告參賽小組:第三組參賽隊(duì)員:指導(dǎo)老師:時(shí)間:目錄摘要…………………………………………………………………3Abstract………..…………………………………………….………31.設(shè)計(jì)任務(wù)及要求……………………………………………..42.設(shè)計(jì)方案及硬件電路設(shè)計(jì)…..…………………………………52.1.直流穩(wěn)壓電源………………………………….………..52.1.1.電路方案選擇…………………………………52.1.2.元件參數(shù)分析…………………………………62.2.直流穩(wěn)流電源………………………………..………….6
2、2.2.1.電路方案選擇…………………………..………..62.2.2.元件參數(shù)分析………………………..…………72.3.DC-DC變換電路…………………………………………82.3.1.電路方案選擇………………………….………...82.3.2.元件參數(shù)分析……………………….………….92.4.MSP430F149顯示采集電壓………………….…………102.4.1.器件介紹………………………………………..102.4.2.硬件設(shè)計(jì)………………………………………..112.4.3.軟件設(shè)計(jì)………………………………………..12
3、3.仿真及分析………………………………………………………124.實(shí)驗(yàn)結(jié)果數(shù)據(jù)分析………………………………………………..135.實(shí)物制作…………………………………………………………..156.參考文獻(xiàn)……………………………………………………...…...157.心得體會(huì)………………………………………………………….15附錄:……..…………………………………………….…………16摘要隨著現(xiàn)代科技的發(fā)展,電工電子方面也有了很大的進(jìn)步。電源作為電氣、電子設(shè)備必不可少的能源供應(yīng)部件,需求日益增加,而且對(duì)電源的功能、穩(wěn)定性等各項(xiàng)指標(biāo)也提
4、出了更高的要求。對(duì)電源的研究和開發(fā)已經(jīng)成為新技術(shù)、新設(shè)備開發(fā)的重要環(huán)節(jié),在推動(dòng)科技發(fā)展中起著重要作用。本設(shè)計(jì)分別用串聯(lián)型線性穩(wěn)壓電路,串聯(lián)調(diào)整式穩(wěn)流電路和反饋式逆變電路設(shè)計(jì)直流穩(wěn)壓電源,運(yùn)用放大和反饋電路直流穩(wěn)流電源和DC-DC升壓變換器。通過(guò)相關(guān)知識(shí)計(jì)算出各電路中各個(gè)器件的參數(shù),使電路性能達(dá)到設(shè)計(jì)要求中的電壓調(diào)整率,電流調(diào)整率,負(fù)載調(diào)整率,紋波電壓等各項(xiàng)指標(biāo)。在通過(guò)TI公司推出的超低功耗MSP430系列單片機(jī)顯示設(shè)計(jì)電源輸出電壓,讓設(shè)計(jì)更加智能化。關(guān)鍵詞:電源;穩(wěn)壓電路;穩(wěn)流電路;DC-DC;MSP430單片機(jī)Abstract
5、:Alongwithtechnicaldevelopment,theelectricityandelectronicinstrumentshavealreadybeenwidespreadappliedindaily,scientificresearch,studyandsooneachaspect.Sincethepowersupplytakestheessentialenergy-supplypartofelectricalandelectronicinstruments,itsdemandincreasesdaybyday
6、,andalsobeensetahigherrequesttofunction,stabilityandsooneachtarget.Thepowersupplyresearchhasalreadybecometheimportantlinktothedevelopmentofthenewtechnologyandthenewequipment.It’splayingthevitalroleintheimpetusofscienceandtechnologydevelopment.Thisdesignseparatelyuses
7、serieslinearconstantvoltagecircuit,seriesregulateconstantcurrentcircuitandthefeedbacktypecontravariantcircuittodesigndirectcurrentconstantvoltagepowersupply,directcurrentconstantcurrentpowersupplyandDC-DCconverter.Wemustcalculatevariouseachcomponentparameterinthecirc
8、uitsbycorrelatedknowledgeandenablethecircuitperformancetomeetinthedesignrequirementssuchasthevoltageregulationrate,thecurrentregula