[毕业设计]高保真警报模拟发声器 电子设计

题目高保真警报模拟发声器专业电气工程及其自动化班级电气工程072班组别指导教师2009年7月10日高保真警报模拟发声器一、引言1、选题意义随着我国市场经济制度的建立，科学技术的发展，我国安防产业不断向前推进，因为随着我国经济的转轨，社会转型的变革向纵深发展和知识经济、信息时代的到来，社会生活产业化，经济活动全球化，信息传播网络化，高科技运用普及化趋势，智能犯罪、新类型犯罪等比重不断加大，手段更加隐蔽，破坏性将更加严重，影响更加广泛。近年市场上报警器报警信号失真严重，装置电磁兼容性差，对人们的正常生活造成了许多不必要的损失。随着电子报警装置便携化，易G6817G1328化，我们的G16786G16757将G1823G7393G1209上G13582G9869，G4466G10628报警信号的高G1457真，G2465G5224G17817G17907等传G13491警报信号G6164不G1867G7389的G1260G9869。2、设计目标G7424装置运用G989G7509G12661G19762G12295G5589G16855G16868G6403G14645G8181G6323G1998高G9177G7236的警报G3780，G2159G8726G1582到G1319G12227G7380G4579化、G1314G13803能和G9052G19512电磁兼容的G3534G7424要G8726。G6925进了传G13491电G7438型发G3780器G1319G12227G5234大，G5049G1328G6940G10587G1314G991G1209及高G13803能的G13582G9869。G1866G5224用G14551G3272将更加广泛，G12628G2345便携容易G6523制，响G5224G17817G17907。G3324G6523制G7053G19766，G3698加了G2499动G5332G1863G1209G17878G5224人们不G2528G5785G1929G991的G1363用，G17836G1363用G9381动变G19471器G9397G17287G3780G19911高G1314的G2499G6523性。电G17347的G1260G9869G5483到了G1817G2010的展G10628，G2163能更加多G7691化G15能G3827G9397G17287不G2528G13688G1319不G2528G5785G1929G1025的G1363用推广。G1552G5483G980G6564的G7171G16825G16786G16757G17836G2499G1209G17902G17819G19492G8981和G19489G2399装置进G980G8505G4896G1849到高G2399G13007G13491G1025，G6564高G1866G2045用G6940G10587。G33、小组成员及分工A1A0A2A3A6A4A8A5A10A7A9A11A13A12A9A14A15A16A17A19A20A18A21A22A23A24A13A12A25A26A19A20A18A21A22A19A27A28A13A12A29A30A19A31A32A10A33A19A20A18A21A22A20A18A21A22A19A34A35A36A37A19A13A12A29A30G3二、基本原理电G17347G2419G10714G3282G1025G7242G1319G12661TR1和TR2G7512成G1016G13435G6930大器。G17902G1781910UF电容器，G12544G1120G13435的G19610电G7509向G12544G980G13435的G3534G13435G1055G19400G7057加正G2465G20316G7512成G6403G14645G3250G17347，G16825G3250G17347的G19675G14645G2620G7411约为03S。从G12544G1120G13435发射G7509取G1998，由与10K并联的10UF电容器G1817G6930电，输G1998锯齿形波。G7242G1319G12661TR3和TR4G7512成G19762G12295G5589多G16868G6403G14645器，G3282G1025G1016个G989G7509G12661G3324“TR3饱和TR4截止”和“TR3截止TR4饱和”，G1120种状G5589G2620G7411性的互换，G1866G5049G1328G2419G10714如G9911如G32821当VCC接上瞬G19400，TR3、TR4G2010别由RB1、RB2获G5483正向偏G2399，G2528时C1、C2亦G2010别经RC1、RC2G1817电。G3G3G3G3G32821G3G3当VA38A38G17902电瞬G19400G3G3G3G3G3G3G3G32822G3CA39A40A41A42CA43A44A41A45A46G3G3G3G3G3G3G3G3G3G3G3G32823G3CA43A40A41A42CA39A44A41A45A462由于TRA47、TRA48的特性无法百G2010G1055百相G2528，假G16786某G980G989G7509G12661TRA47G1055电G8981G3698益比另G980个G989G7509G12661TA49A48高，TRA47则Q会比TRA48先进G1849饱和ON状G5589，而当TRA47饱和时，CA50由Q1CEG7509经VA51A51、RA52A50G6930电，G3324TRA48BEG7509形成G980逆向偏G2399，促G1363TRA47截止。G2528时CA53经RCA50及TRA47的BEG7509于短时G19400内完成G1817电至VA51A51，如G32822G6164示。3TRA47ON、TRA54OFF的G5785形并不G7171固定的，当CA50G6930电完后TA5007RB2C2秒，C2由VCC经RB2、TR3CEG7509G2465向G1817电，当G1817到07V时，此时TR4获G5483偏G2399而进G1849饱和ON，C1由TR4CEG7509，VA55A55、RB1G6930电，G2528G7691地，造成TR3BEG7509逆偏G2399。TRA56截止OFF，C2经RA57A58及TRA59BEG7509于短时G19400G1817至VA57A57，如G32823G6164示。4G2528G10714，C1G6930完电后T07秒，TR3经RB1获G5483偏G2399而导G17902，TR4OFF如此G2465覆循环G991去。如G3282G6164示波形。然后从TR4的CE端取G1998的G6403G14645信号G17902G1781933UF的电容器及电位器G7057加到TR5上，经G17819TR5的G2163G10587G6930大G1328用，将G6930大的信号加到扬G3780器G1016端G8181G6323警报发G3780。3V的直G8981电G2399源G3324运行G17819程G1025为TR1、TR2、TR3、TR4和TR5G6564供偏置电G2399，并为扬G3780器G7057加驱动电G2399，G1457障电G17347G2163能的正常G4466G10628，G6564高电G17347G2465G5224的灵敏度。G3A604A61A62A63A64A65A66A67A68A69G3A60A70G3G3A71A72A73A74A60G3三、主要元器件介绍1、元件清单G3表G31G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3A75A76A77A78A79A80A81A82A83A84A85A86A87A88A89A71A72A90A91A92A93A94A95A95A96A97A98A91A99A100A101A71A102A103A98A97A98A104A105A106A91A97A98A96A107A108A71A109A71A102A91A105A106A98A97A70A110A107A104A97A104A105A106A98A97A70A110A107A91A98A105A106A98A97A70A110A107A91A98A98A105A106A98A97A70A96A107A111A112A113A114A103A91A98A115A110A97A98A91A107A91A116A117A118A71A114A104A119A98A98A97A91A98A110A107A91A97A110A115A98A97A91A98A91A107A104A97A104A115A98A97A91A98A91A107A91A98A115A98A97A91A98A96A107A91A70A115A98A97A91A98A110A107A110A110A115A98A97A91A98A110A107A96A120A98A115A98A97A91A98A110A107A121A122A123A124A91A97A70A91A107A125A126A127A128A129A98A97A70A110A107A130A131A129A110A132A92A91A95A91A70A94A133A98A97A70A96A107A110A132A92A110A91A110A98A94A133A98A97A70A91A107A71A134A135A70A136A137A110A110A97A70A91A107A71A134A138A139A98A98A140A141A91A97A98A91A142A71A134A70A136A110A97A70A110A107A143A144A103A98A97A110A70A116A95A110A97A98A91A107A145A146A96A97A70A104A147A148A82A149A104A110A97A104A150A96A98A150A110A151A120A104A97A104A842、主要元器件介绍一般为核心器件介绍1G32SC1815Y型的普G17902G7242G1319G12661G32G32SC2120Y型的G2163G10587G6930大G7242G1319G12661G3310KG9381动变G19471器G348，025W的扬G3780器G35涤纶电容器和铝电解电容器G36碳膜电G19471G3四、元件的市场调研与选择A84A103A152A153A154A155A156G3G3表G32G3G3G3G3G3A75A76A157A136A77A78A158A136A82A78A83A84A85A153A154A159A160A161A162A163A164A91A116A117A118A71A114A165A104A119A98A98A97A91A98A166A167A71A122A168A161A91A97A110A115A98A97A91A98A166A167A71A122A168A161A104A97A104A115A98A97A91A98A166A167A71A122A168A161A91A98A115A98A97A91A98A166A167A71A122A168A161A91A70A115A98A97A91A98A166A167A71A122A168A161A110A110A115A98A97A91A98A166A167A71A122A168A161A96A120A98A115A98A97A91A98A166A167A71A122A168A161A169A128A129A170A171A110A132A92A91A95A91A70A94A133A98A97A70A172A124A71A122A168A162A110A132A92A110A91A110A98A94A133A98A97A70A172A124A71A122A168A162A108A71A109A71A102A103A92A91A105A106A98A97A70A166A167A71A122A168A161A104A97A104A105A106A98A97A70A166A167A71A122A168A161A91A98A105A106A98A97A70A166A167A71A122A168A161A91A98A98A105A106A98A97A70A166A167A71A122A168A161A111A112A113A114A103A165A173A91A98A115A110A97A98A172A124A71A122A168A161A125A126A127A128A129A98A97A70A110A107A172A124A71A122A168A161A100A101A71A102A103A98A97A98A104A105A106A91A97A98A96A107A172A124A71A122A168A161A71A72A90A91A92A93A94A95A95A96A97A98A172A124A71A122A168A161A71A134A135A70A136A137A110A110A97A70A172A124A71A122A168A161A71A134A138A139A98A98A140A141A91A97A98A172A124A71A122A168A161A71A134A70A136A110A97A70A172A124A71A122A168A161A145A146A104A147A91A97A70A172A124A71A122A168A161A143A144A103A95025WA110A97A98A172A124A71A122A168A161A121A122A123A124A91A97A70A172A124A71A122A168A161五、制作与调试1、焊接顺序（1）G3焊接G989G7509G12661，按照电G17347G2419G10714G3282，将G989G7509G12661按顺序（注意G989G13435G12661的G12661脚排列）及G19400隔焊接G3324电G17347板上；G3（2）G3焊接电G19471，将电G19471按照G2419G10714G3282顺序焊接；G3（3）G3焊接电容，将电容按照G2419G10714G3282顺序焊接（电容G12661脚长为正，短为负）；G3（4）G3焊接G1866它元件及跳线。G32、调试、检查电路（1）G3焊接完毕，接G17902电源，但没G7389结果。G1192G13466G7828G7609发G10628G7389G1016G3800等电位G9869G7422联结，线将G1866G17842接，解G1927上G17860G19394G20076；G3（2）G3G3324G16855G16809时，没G7389G20056G7411的结果G1998G10628，经G7828G7609发G10628时将G980电容正负G7509G2465接（正G11842的G7171G12661脚长的G980端G7171正G7509，另G980端G7171负G7509），将G1866G16855G6984G13499G13505G16855G16809；G3（3）G3G1889G16855G16809G1185然没G7389结果。G7828G7609时发G10628电G17347正G11842，用G987用表G7828G7609时扬G3780器G1016端没G7389电G2399，G4579G13464成G2604G19610G1319G16764G16782G16760定G7171G7242G1319G12661G12661脚排列的G19394G20076，G1866正G11842的排列G5224G16825G7171将G7242G1319G12661G5191G19766G7409上（G2375G7389G2454G6980G980G19766），G12661脚G7409向G14270G5061，从G5050到G2503按顺序为G40CG37排列。G33、焊接实物图A60A140A174A175A88A176A604、调试结果G16786G16757的G7380后结果G3534G7424G17810到了G20056前的G16786G5831，G3780G19911的高G1457真G1319G10628G5483G7380为G7138G7186。为了完G2904G2163能我们G17836特意G3698加了G16282G16285G2499G5875知信号，G1328为G3324特G8542G13688G1319G1025的推广。G3324G6523制G7053G19766，G3698加了G2499动G5332G1863G1209G17878G5224人们不G2528G5785G1929G991的G1363用，G17836G1363用G9381动变G19471器G9397G17287G3780G19911高G1314的G2499G6523性。经G17819完G2904后，电G17347的G1260G9869G5483到了G1817G2010的展G10628，G2163能更加多G7691化G15能G3827G9397G17287不G2528G13688G1319不G2528G5785G1929G1025的G1363用推广。G3为了G1996G7186G7424G16786G16757G3324G3780G19911G1457真G7053G19766的G1260G9869，G999G19388和市场上G19911G1060G10267的波形G1582了对比。G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G68G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G3G69G3G3G70G71G3A607A177A178A144A179A68A69A180A179A181A182A144A179A68A69A183A184ACA177A178A144A179A68A69BDA179A181A182A144A179A68A69G17902G17819G1209上波形G7186示，装置波形G20069G10587和G6403G5145G7138G7186大于G19911G1060G10267的，G10301G10714G3780学G2590G16797我们G20069G10587代表G19911G16855，G4613G7171波形G3282与G8190G17736G1144G9869的G11107G4506代表G19911G16855G30G6403G5145代表响度，G4613G7171波形G3282上G980个G2620G7411内G7380高G9869与G7380G1314G9869G1055G19400的差G17329G17246大，响度G17246高G15由此装置G3324G19911G16855和响度G7053G19766G1260于G19911G1060G10267。5、改进方向G3G7424电G17347G1177容许G3324G1314G2399G13007G13491G1025G1363用，信号G20069G10587和G5332G1863智能G6523制不G10714G5831，G6164G1209从G1209G991G1972个G7053G19766进行G6925进与完G2904。G3（1）G3G2163G10587G6930大电G17347G18331用了G11014类G2163G6930，G1866G3324G5049G1328时G6940G10587G3838G1314，G1000没G7389G6922到信号时电源G1185G6564供G2163G10587，G17837G1135G2163G10587转化为无用的G12661G13803，G6164G1209G3324G6925进G1025G2499G1209G18331用G50G55G47互G15929对G12228G2163G10587G6930大电G17347来G1823G7393上G17860G13582G9869。G3（2）G3G989G7509G12661G19762G12295G5589G6403G14645G3250G17347G1025的定G1552电G19471G6925为G9381动G2499G6523变G19471器，来G8181G6323不G2528G20069G10587的警报G3780，G6564高G16786G3803的G4466用性。G3（3）G3为了G4466G10628G5332G1863G6523制的G2499G6817G6523性，G2499G1209G4593G16809用G1821敏电G19471、G9921敏电G19471、G9299度传G5875器等智能G5332G1863代G7379，G980G7053G19766G3698加了电G17347的G5224运G14551G3272，另G980G7053G19766G1075G3698G5390了电G17347的智能化G6817G1328。G3六、设计总结1、设计小结G17837G8437G16786G16757G16850程G1055G1025G17947到了许多G7422G7378意G7021到的G19394G20076，比如G989G7509G12661的G12661脚接法、G7242G1319G12661G6403G14645G3250G17347的G5049G1328G17819程、G4490用电的安全G1363用G258G258不G12661G19394G20076G7389多G19443G2463们G18129G16760真G1192G13466地G2010G7524G19610G1319G16764G16782解G1927。我们G3324G16786G16757G2033G3999G19466段，G2528意G1209G4466用、G14422能、便携、易于推广为G3534G7424G1998发G9869。经G17819G1972G3837的G2010G3848行动，G7380G13468从G3247G3883G7053G7708G1025G17885G1998了大G4490G18129G16760为G7171G7380G1260的G252G252高G1457真电子警报G8181G6323发G3780器，G1972G8437G9620G9884的G1117G16782后，G11842定了电G17347G6164要G4466G10628的G3534G7424G2163能G1209及电G17347的G3534G7424G8181G3371。G3324接G991来的G1016G3837G1025我们G13466化、G1260化了G8181G3371，但对于信号G6403G14645G18108G2010G17836G4396G7389G1117G16770，G2010别G6564G1998了555G14467G10267G6403G14645G8181型和G989G7509G12661G19762G12295G5589G6403G14645G8181型，G17902G17819比G17751G1866G1194G13464的G16786G16757和G7424G8437G16786G16757G6164要G8726的G1319G10628G10714G16782G1227G1552的G4459G7100，G1927定G18331用G989G7509G12661G19762G12295G5589G6403G14645G8181型。对电G17347G6164G19668元器件的G1867G1319G2454G6980G980G980核对G1055后，G11842定了元件购买G7053G7708，G2159G8726G1582到花费G7380省、性能G7380G1260。不G17819由于G7053G7708的G11107忽，G1209致元件没G7389G17810到G10714G16782要G8726，G18108G2010元件又重新购买了G980G8437。纵观G6984个G17819程，G7380重要G7380难G4466G10628的G7171焊接G19466段，G17837G980G19466段不G1177G19668要扎G4466的G10714G16782G3534础更G19668要比G17751高的焊接技术，幸亏G7389焊接G987用表和G6922G19911G7438的G3534础，才进行G5483比G17751顺G2045。G1998乎G6164G7389人的意G7021，花费时G19400G7380多的竟G7171电G17347G16855G16809G19466段，G2465复多G8437失败G1209后全G13464G19443G2463信心受到严重挫伤。冷静地G16809验G1972G8437后，我们G980G980找到了G19394G20076的G6164G3324，逐G980加G1209解G1927，G5875G16285G3324G17837个G17819程G1025受益G7380多，好多G1209前从G7422G5831G17819的G19394G20076竟然能被我们成G2163解G1927，那种美滋滋的成G4613G5875只能意会。当电G17347发G1998G9177G7236的警报G3780时，全G13464G19443G2604G18129跳了起来“我们成G2163了”来G1055不易的成G2163G1552G5483每G980个人永远的记忆。G32、设计体会今年的电子G16850程G16786G16757G13468于接近尾G3780，真的很庆幸G14270G5061G7389G7438会焊接G14270G5061G16786G16757的电G17347。虽然G1972G8437的失败的结果让人G5875到无比遗憾，但正如老师G6164说的，G17837G1972G2620的技能学习对知识，心G5589的锻炼才G7171我们G7380大的G6922获，我们会G7409着G14270G5061G6164爱坚定走G991去。G17837个G4579学G7411里，G3324焊接G4466验里的G980幕幕依然仿佛G3324眼前，G17837将G7171令人难忘的，令人永远怀念的G980段时G1821，因为G3324G17837段日子里，我们不懈地努G2159，全身心地投G1849。G980个闷G9921，G2345G16855的夏G3837，却G7171G1817G9397G3250忆，G6922益匪浅的G6922获的季G14422。G3时G19400G17819G5483好快，依然很怀念G7378经G980起努G2159的日子。和老师，G19443G2463们的相互G16855侃，请教师兄，听老师说教，G980起G16764G16782G16786G16757，G980起焊电G17347，近乎G1117吵的G16764G16782，为找器件走遍G6984个电子市场，被师兄笑菜鸟，G258G258G17837G980幕幕仿佛G3324昨G3837。G3G980G17347走G17819来，从只知道G1135G16850G7424的G10714G16782知识G1055外G980无G6164知的菜鸟G5332G3999，请教老师、师兄，上网G7609资G7021，G14270G5061动手G4466践、摸索，到G9620动地喊G1998“我搞G1998来啦”G17837G7171G980个美妙的G17819程。G3324六人G4579G13464里，我的角色G7171电G17347G16786G16757，G3324刚G5332G3999时G17947到很大困难，特别G7171特G8542元件的G5224用G7389很多不G7138白的地G7053，但G3324指导老师G17836G7389G19443G2463的帮助G991，G7609G2454考资G7021，G14270G5061G4593G16809，G980G9869G9869地深G1849了解了G1866G5049G1328G2419G10714。我真诚地G5875G9620帮助我的老师和师兄们，G3324G16760真观察了G1194们的G16786G16757、焊接和G16855G16809的G17819程后，我真正G5875叹G14270G5061G11842G7171菜鸟G980个，我G12628直难G1209抑制G14270G5061的兴奋G252G17837G1135经验我像G7171G3324信手拈来我常常G2454予到硬件的G17885择和焊接G1025去，和G19443G2463G980起沟G17902G16764G16782G1866G5049G1328G2419G10714G1209便及时修G6925电G17347，G17947到G19394G20076时G2528G19443G2463们由G10714G16782和焊接G4466G10301G1016个G7053向推G6982，从而找到G19394G20076G6164G3324。我G5892然发G16285，G980G1135G3324G16850G7424上G11487起来很容易的内容G1866G4466G980G9869不G12628G2345，G2528G7691地，G980G1135很难的G10714G16782知识G5224用起来G1866G4466G1075不G7171那G1052难。G3学习G7171个G14404难的G17819程，G2400G9914G17819，G8834G1019G17819，但G2528时G1075G7171G1817G9397着G9620G5785和快G1060的。当解G1927G980个困G6212多时的G19394G20076G6122G13785G5831到好G1039意时，G1332会兴奋G5483跳起来，G5831G10420G10420地大喊