[论文精品]切光器光耦信号频率测量电路设计

1切光器光耦信号频率测量电路设计目录一、系统设计要求1二、方案论证与选择2方案一基于VHDL语言的频率计的设计2方案二基于单片机的频率计的设计3三、基于单片机的液晶显示频率测量电路的设计531系统硬件电路的设计5311信号转换处理电路5312单片机的外围电路6313液晶显示模块16027314硬件电路原理图832系统软件部分10四、扩展部分的系统设计1241、扩展内容及其作用1242、设计方案1243、硬件部分设计1244、软件部分14441主模块电路的工作流程14442电机转速调节模块流程15五、结论16参考文献16程序清单17一、系统设计要求1、测量通过光耦测得的切光器斩波信号的频率，并通过LCD显示。通过LCD显示频率的中心值及最大、最小值。2、在基础要求得以完善的情况下，扩展系统的综合性能增加可以调节控制电机转速的部分，是电机可以由按键选择几项档位；使系统分为测量和控制两个模块，有按键选择，使系统可以在两个模块下选择2工作状态，从而使系统完善化。二、方案论证与选择方案一基于VHDL语言的频率计的设计设计的基于VHDL语言频率计的系统原理框图系统原理框图如21所示。A2A0A1A5A3A4A6A7A10A8A9A11A14A12A13A15A3A4A16A17A18A19A20A21各模块说明如下1标准信号发生器,开关控制电路。标准信号发生器产生1KHZ基准信号。开关控制电路对键盘输入的G2563G1584信号G17839G15904G3800理G7082G709分频器G5415G6922G2052使能信号,分频器G2563G2172,G4570标准1KHZ信号G13475G22G84371G19分频,得G20521G19G19HZ,1G19HZ,1HZ信号。1KHZ,1G19G19HZ,1G19HZ信号作为计G6980器G19404A22A23A24A25A26A27A28A29A30A31A32A33A34A35A36A37A38A39A40A41A42A40A36A37A40A43A44A45A46A47A48A49A50A51A52A53A54A55A56A57A58A59A60A61A62A59A60A63A64A651KA66A67A68A69100HZA7010HZA61A62A59A60A71A72A51A52A73A74A75A763G19388信号G7481控制计G6980,以G4466G10628G993G2528量G12255。G708G22G709计G6980控制器计G6980控制模块G4570输入的分频信号G3800理,产生计G6980G19404G19388信号、计G6980G9177G19658信号和G19157G4396信号。G708G23G709计G6980器G18331G11004G22个G2325G17839制计G6980器G13435G13864作为计G6980模块。G19404G19388信号G994G5465测信号G11468G994作为计G6980输入。计G6980G13479G7536G11464G6521输G1998G13485G19157G4396器。G708G24G709G19157G4396器G8611G5415G19157G4396使能信号G7481G1032,G19157G4396器G1427G4570G19157G4396G13479G7536G16847入、G19157G4396。G19157G4396器G17836完G6116量G12255选择G2163能。G19157G4396器G17836G7693G6466G5415G2081量G12255,选择合G17878的小G6980G9869位G13634输G1998。G708G25G709G16805G11733显示电路由于小G6980G9869由G19157G4396器输G1998,G6937在G8504G1177G13783G15397G6980G11733G12661的G26G8585G20549G2172，G26G8585G16805G11733器G4570计G6980值G16805G6116G11468G5224的G26G8585G6980G11733G20549G2172值。方案二基于单片机的频率计的设计设计的基于G2345G10267机频率计的原理框图如图22所示。A77A78A79A78A80A81A82A83A84A85A86A87A88A89A81A82A90A91A92A77G3809位电路G18331G11004G990电G3809位G7053G5347，G8611G8437G2345G10267机G990电工作G7114使G2345G10267机G3800于G3809位状态，G2375G2033G3999状态，为测量频率作G3921准G3803。G7114G19059电路中G10267G1881G20652增G11422G2465G11468G6930大器通过G59G55G36L1、G59G55G36L2G3818G6521作为G2465G20316G1815G1226的G7242G6403G708G2588G5875性G709G994电G4493G13464G6116的并G13864G16868G6403G3250路G7512G6116G980个G14270G9620G6403G14645器G2533G1881部G7114G19059电路G6564G1391G6403G14645G7114G19059，由G8504G2533G2345G10267机G6564G1391G6403G14645G14045G1926。G2345G10267机计的G14045G1926G6980值G13475过转G6454G17877G2052G9094G7242显示模块1G25G192，从而显示G15999AT89C51A93A94A95A96A97A98A99A100A101A98A99A102A103A104A105A106A1071602A108A109A110A1114测信号的频率，测量G13479G7536G11004G2325G17839制G15932示，G5468G11464G6521。定时计数的方法（1）中断方式G36G55G27G28G38G241G2345G10267机G1881部G1867有2个1G25位的G4462G7114器G18计G6980器，并可以在G4462G7114G6122计G6980溢G1998G7114产生中断。G4570G15999测信号通过PG22G24口G17877入G2345G10267机，G4570G55G19设G13634为G4462G7114G7053G5347，G8611G24G19MS产生G980G8437中断，产生2G19G8437中断所G11004G7114间正G3921为1S，G4570G551设G13634为计G6980G7053G5347，G551的G2033值设G13634为G19。（2）查询方式查询G7053G5347G8611遇G2052G980G8437G14045G1926就需要查询G980G8437，较为繁琐，工作量大，揉G980G1998G10628漏查等问题，因G8504该G7053法G993合G17878。综上所述运用AT89C51单片机采用中断方式定时计数的方案。5三、基于单片机的液晶显示频率测量电路的设计31系统硬件电路的设计311信号转换处理电路1、基本原理光电开关可以由G980个光电发射G12661和G980个G6521G6922G12661G13464G6116。G5415发射G12661和G6521G6922G12661之间无物体遮挡G7114，G6521G6922G12661由光电流产生，输G1998低电平电压。G5415发射G12661和G6521G6922G12661之间有物体遮挡G7114，G6521G6922G12661截止，输G1998G20652电平电压。可以利G11004光电开关的这种特性G7481G17839G15904G19658G1226计G6980。2、按传电路板G5875器G4466验指导书搭建G3921电路，可参G13783G6521线图31。图31原理图G22、观察输G1998的电压值是否为低，然后G11004G980纸G10267遮挡在发射G12661和G6521G6922G12661之间，观察输G1998的电压值是否为G20652；加G990G11464流电机套G1226，使小飞轮遮挡在发射G12661和G6521G6922G12661之间。G11004手轻轻旋转飞轮，观察输G1998的电压，G5415飞轮G990面的小孔通过光电开关G7114，输G1998低电压，小孔转过去后输G1998G20652电压，如G7536电压G993是这样变化的，调节光电开关G2528飞轮的G11468对位G13634。6G23、在已知发讯齿轮齿G6980的情况下，测得的传G5875器输G1998信号G14045G1926的频率就可以计算G1998G11464流电机的转速。如小孔孔G6980为N，转速为N，G14045G1926频率为F，则有NFG18N。常，转速的G2345位是转G18分G19059，所以要在G990述公G5347的得G6980再乘以G25G19，才能转速G6980G6466，G2375NG25G19FG18N。312单片机的外围电路1、G7114G19059电路G2345G10267机的G4462G7114控制G2163能是G11004G10267G1881的G7114G19059电路和G4462G7114电路G7481完G6116的，而G10267G1881的G7114G19059产生有两种G7053G5347G1881部G7114G19059G7053G5347和G3818部G7114G19059G7053G5347，G4466际中常G5224G11004G1881部G7114G19059G7053G5347。设计的G1881部G7114G19059G7053G5347图如图G222所示。A112A113A114A115A116A117A118A119A120A121A122A123A124A112电G4493在22PFG22G22PF之间选择，起微调作G11004，在G8504G18331G11004G22G19PF。G7242G6403可G18331G11004G25MHZG612212MHZ，但是若G11004G25MHZ的G7242G6403，所测频率范围太窄，最G20652只能测G20522G24G19KHZ，G1100412MHZ的G7242G6403，最G20652频率可测G2052G24G19G19KHZ，G6937在G8504选G1100412MHZ的G7242G6403。2、G3809位电路G2345G10267机的G3809位电路可G18331G11004G990电G3809位G6122按扭G3809位，G4466际中常G5224G11004G990电G3809位的G7053G5347，设计的G990电G3809位G7053G5347图如图G22G22所示。XTAL1A125A126A127C1C230PF30PFXTAL27A112A113A114A113A128A129A130A131A123A124A112313液晶显示模块16021G25G192G18331G11004标准的1G25脚G6521口，从该模块的正面看，引脚排列从左G2533右为11G25脚。其中第1脚VSS为地电源。第2脚VDDG6521G24V正电源。第G22脚VL为G9094G7242显示器对比度调整端，G6521正电源G7114对比度最弱，G6521地电源G7114对比度最G20652，对比度过G20652G7114会产生“鬼影”，使G11004G7114可以通过G980个1G19K的电位器调整对比度。第G23脚RS为寄G4396器选择，G20652电平G7114选择G6980G6466寄G4396器、低电平G7114选择指令寄G4396器。第G24脚RG58为G16847G1901信号线，G20652电平G7114G17839G15904G16847G6817作，低电平G7114G17839G15904G1901G6817作。G5415RS和RG58G1861G2528为低电平G7114可以G1901入指令G6122G13785显示地G3348，G5415RS为低电平RG58为G20652电平G7114可以G16847G5549信号，G5415RS为G20652电平RG58为低电平G7114可以G1901入G6980G6466。第G25脚G40端为使能端，G5415G40端由G20652电平G17351变G6116低电平G7114，G9094G7242模块G6203G15904G2641令。第G261G23脚DG19DG26为G27位G2464G2533G6980G6466线。第1G241G25脚G13984光电源和地。8314硬件电路原理图设计的系统G11840G1226电路原理图如图G22G23所示。5VA11234A132A133A134A135A129A136A137A138A112G11840G1226电路图中，G2345G10267机的EAG12661脚G5529G20047G6521G20652电平，因为G6521低电平G7114只选G11004G10267G3818G12255G5219G4396G1660器，而G16809验所G11004的是G10267G1881G12255G5219G4396G1660器。G9094G7242显示器1G25G192的VLG12661脚G5529G20047G6521G980个电位器G7481调节，因为VL为G9094G7242显示器对比度调整端，G6521正电源G7114对比度最弱，G6521地电源G7114对比度最G20652，对比度过G20652G7114会产生“鬼影”，对比度过弱G7114，看G993G2052G4643G5161G990显示的G6980G6466。P20P21EAP22RSTP00P01P02P03P04P05P06P07P35XTAL1XTAL2RSRWVDDED0D1VLD2D3D4D5D6VSSD75VAT89S51A139A140A141A142A143A144A145A146A1471602VCCVSSA148A149A150A1519在PRG50G55G40G56SG10627G3671下的G1235G11507G13479G7536，如图G22G24图（七）A152A153A154A155A156A157A1521032系统软件部分基础部分流G12255图较为G12628G2345，该部分G1039要G2163能就是测量显示电机转速的频率值，其流G12255图如图36。A15236A158A159A160A161A162A163A152开始LCD和89C51的初始化设置T0、T1工作方式定时1S计数通过比较法显示显示频率的当前值、最大值、最小值、中间值是否停止计数结束A164A16511四、扩展部分的系统设计41、扩展内容及其作用设计G980个可以控制电机转速的系统，从而使电机的转速可调，使整个测量系统G7368完善化。42、设计方案G13546G12255使G2345G10267机G27G28G38G242产生G2356G12366比可调的PG58M波，再G13475电流G6930大后G6521G13485小G2163率G11464流电机。由于G2356G12366比G993G2528，等G6940为G1391G13485电机的电流大小G993G2528，导G14280电机的转速G993G2528，从而G4466G10628电机转速的控制。使G11004G2345G10267机G27G28G38G242的G4462G7114器2工作在G14270G2172G18337G16025G17745G4462G7114G7053G5347的G7053法产生PG58M波，因其G1867有G14270G2172G18337G16025G17745G2163能，G13546G12255G7053G1427。G4570G2345G10267机输G1998的PG58M波加G13485G2163率G6930大G12661G55G44P122的基G7509，发射G7509G6521电机，G4466G10628G2356G12366比大小G2052等G6940电流大小的转G6454。G18331G11004LG38D1G25G192G4462性显示电机的转G2172速度1、2、G22、G23,1最G5942，G23最G5567；G2528G7114G18331G11004G23个按键G7481G17839G15904速度切G6454。43、硬件部分设计G11840G1226分G1128个部分G27G28G38G242G2345G10267机系统部分、LG38D显示部分、速度选择部分G708G2375按键部分G709和电机部分；G2345G10267机部分电源G18331G11004G3818部G10628G6116的G36G38G16DG38G24V1G19G19MG36G11464流电源；电机的G20549G2172电源G18331G1100412VDG38电源。硬件部分电路图如图41。12图41扩展部分仿真图G27G28G38G242P1G65G19口输G1998PG58M波，G13475G55G44P122G6930大后G6521电机；G562G36是G23输入G994G19388，输G1998端G6521G3818部中断G19G18G44NG55RG50；PG19口输G17877G6980G6466G13485LG38D1G25G192的DG19G16DG26，P1G652、P1G65G22、P1G65G23控制LG38D的工作模G5347和状态；P2G65G19G16P2G65G23G16847G2474按键值，以G6925变PG58M波G2356G12366比G30调节变G19471器RV1可以G17810G2052调节LG38DG9177G7236度的G11458的。1344、软件部分441主模块电路的工作流程该模块作用是整个系统的工作方式选择，整个系统共两个大模块电机频率测量工作模式、电机转速控制调节模式。流程图如下图42。图42主模块流程图14442电机转速调节模块流程电机转速调节模块有两个作G11004G980是在测量模G5347下有4个档位可以调节G19984种G993G2528的电机工作频率；G1120是在控制模G5347下通过G12255G5219调节电机频率使其G17247于设G4462值。该部分看流G12255图如图43。图43电机转图调节模块流程图15五、结论基于SG55G38G27G28G38G242G2345G10267机的G9094G7242显示频率计G2265G6336G2345G10267机控制模块和G9094G7242显示模块以及扩展模块，调G16809后的频率计可测量G7053波、正G5370波、G14045G1926信号等波G5430，测量最G20652频率为G28G28G28HZ，G16835G5058小于1HZ。G7424设计的G1260G9869显示部分G18331G11004G9094G7242显示模块1G25G192，显示G13479G7536G11464G6521G1000能显示G3822G15904G3822位，G2163G13803小，使G11004G4563G2641G19283。该设计基G7424G17810G2052G4466验要求，G993G17287之G3800是测量频率范围窄，需要G17839G980G8505扩展。G7424设计G13475过扩展模块可以G4466G10628G12628G2345的电机转速控制，使系统G7368加完善化。但是由于电机工作G5827性较大、G12255G5219中G2356G12366比G61值的选择只G19492于整G6980、电机频率测量器G1226的G12628G19487等原因，使扩展部分转速调节的G2163能G16835G5058G1571大，这是该系统G1185需要G6925善的地G7053。通过这G8437G4466G1076G20330G1820G6496G6581G1114G2345G10267机最小系统的G13479G7512，能G3827较为G10099G13463的使G11004；其G8437G7368G17829G980G8505地G4410G1076G6496G6581G1114G38语言G13546G12255对G2345G10267机系统的控制；再G8437在G4466G1076中知G17959G1114G7368G3822G1901G6265G2590的G8892G5859G1119项，是其G7368标准G16280范化。参考文献A166A167A168A169A170A171A172A167A173A174A175A176A177A178A179A180A181A182A166A183A168A172A184A185A186A187A188A175A174A174A173A188A167A189A190A191A192A193A194A175A173A195A175A196A172A166A175A168A197A198A172A176A177A178A179A199A191A200A201A202A193A178A179A203A204A205A206A207A208A209A210A166A183A168A172A184A185A186A187A188A175A174A174A211A188A167A212A189A191A211A193A194A211A192A195A211A190A172A166A212A168A213A214A215A172A216A217A218A205A206A207A209A210A166A219A168A172A220A221A184A185A222A223A224A225A226A227A228A188A175A174A174A175A188A212A195A189A174A172A166A211A168A229A230A231A172A219A201A232A195A211A167A233A234A216A217A218A209A210A233A235A236A182A166A219A168A172A237A238A239A240A239A241A224A225A226A227A228A188A167A190A190A211A188A212A174A195A212A189A172A166A173A168A242A243A244A188A245A246A206A172A247A248A249A250A202A200A251A252A253A254A255A180A181A182A236A182A166A183A168A172A92A0A184A185A223A1A188A175A174A174A175A188A167A212A192A191A196A193A194A167A190A195A175A167A172A166A196A168A232A3A2A4A5A6A2A7A8A9A3A10A3A2A4A11A6A2A4A172A249A250A202A200A105A12A12A13A14A15A6A16A14A3A2A201A3A9A17A18A19A166A219A168A172A201A20A19A2A4A10A9A21A22A2A14A23A19A17A18A14A16A24A3A25A26A13A19A15A16A17A3A2A14A15A232A15A14A19A2A15A19A6A2A10A111A19A15A20A2A3A13A3A4A24A5A17A19A18A18A7A175A174A174A174A188A167A211A195A175A174A172A166A192A168A11A6A2A27A14A19A232A3A2A4A7A5A14A2A4A200A9A3A7A232A20A9A2A27A9A2A11A9A172A201A5A200A202A111A19A15A20A2A3A13A3A4A24A6A2A10A105A12A12A13A14A15A6A16A14A3A2A166A219A168A172A28A14A12A6A2A21A28A14A12A6A2A22A2A14A23A19A17A18A14A16A24A3A25A26A13A19A15A16A17A3A2A14A15A232A15A14A19A2A15A19A6A2A10A111A19A15A20A2A3A13A3A4A24A5A17A19A18A18A7A175A174A174A174A188A175A196A195A212A17416A29A30A31A32A31A32INCLUDE“1602H“UINTI0,J0,MAX65535,MIN0,MIDDLEINTJISHUSBITRSP20SBITRIWP21SBITEP22SBITTIAOP27SBITJIAP26SBITJIANP25SBITYESP24SBITFUWEIP23VOIDTIMERTMOD0X51TH10X00TL10X00TH00X3CTL00XB0ET01EA1TR10TR00VOIDTIMER0INTERRUPT1UINTTEMP0,TEMP1ITH00X3CTL00XB0IFI60I0TEMP1TH1TEMP0TL1JISHUTEMP1256TEMP0/3TH10TL10IFJ0MAXJISHUMINJISHUJ1IFMAXJISHUMINJISHUMIDDLEMAXMIN/2VOIDDELAYUNSIGNEDCHARX/X014MSUNSIGNEDCHARIWHILEXFORI0ICOUNT“STRING2,6,“CONTROL“WHILEKZ2IFTIAOWHILETIAOWI0X01KZ20CAI12STRING1,6,“COUNT“STRING2,5,“CONTROL“IFYESWHILEYESKZ10KZ20WI0X01P1CAI1IFYESWHILEYESKZ10WI0X01P1CAI1WHILECAI1TR11TR01STRING1,1,“NOW“WRITENUM1,5,JISHU/100WRITENUM1,6,JISHU100/10WRITENUM1,7,JISHU10STRING1,10,“MID“WRITENUM1,14,MIDDLE/100WRITENUM1,15,MIDDLE100/10WRITENUM1,16,MIDDLE10STRING2,1,“MAX“WRITENUM2,5,MAX/100WRITENUM2,6,MAX100/10WRITENUM2,7,MAX10STRING2,10,“MIN“WRITENUM2,14,MIN/100WRITENUM2,15,MIN100/10WRITENUM2,16,MIN10IFFUWEIWHILEFUWEICAI11KZ11TR10TR00WI0X01STRING1,2,“XUANZEMOSHI“P10XFDIFTIAOWHILETIAOKONGZHI1TR00TR10WHILEKONGZHIIFTIAOWHILETIAOTR01TR11KONGZHI0IFFUWEIWHILEFUWEI18CAI11KZ11KONGZHI0WI0X01STRING1,2,“XUANZEMOSHI“TR10TR00P10XFDWHILECAI12TR01TR11IFJISHUSHEDING5P10X44SHEDINGC100B10AIFSHEDINGJISHU5P10X66STRING2,1,“NOW“WRITENUM2,9,JISHU/100WRITENUM2,10,JISHU100/10WRITENUM2,11,JISHU10STRING1,1,“SHEDING“WRITENUM1,9,CWRITENUM1,10,BWRITENUM1,11,AIFFUWEIWHILEFUWEICAI10KZ11WI0X01STRING1,2,“XUANZEMOSHI“TR10TR00P10XFDIFYESWHILEYESSHEDINGC100B10AP1SHEDINGSHI0BAI0IFJIAWHILEJIAIFA9A0ELSEAIFJIANWHILEJIANIFA0A9ELSEAIFTIAOWHILETIAOSHI1WHILESHIWRITENUM1,9,CWRITENUM1,10,BWRITENUM1,11,AIFFUWEIWHILEFUWEICAI10KZ11WI0X01STRING1,2,“XUANZEMOSHI“TR10TR00P10XFDIFYES19WHILEYESSHEDINGC100B10AP1SHEDINGSHI0BAI0IFJIAWHILEJIAIFB9B0ELSEBIFJIANWHILEJIANIFB0B9ELSEBIFTIAOWHILETIAOBAI1SHI0WHILEBAIWRITENUM1,9,CWRITENUM1,10,BWRITENUM1,11,AIFFUWEIWHILEFUWEICAI10KZ11WI0X01STRING1,2,“XUANZEMOSHI“TR10TR00P10XFDIFYESWHILEYESSHEDINGC100B10AP1SHEDINGSHI0BAI0IFJIAWHILEJIAIFC9C0ELSECIFJIANWHILEJIANIFC0C9ELSECIFTIAOWHILETIAOSHI0BAI020INCLUDEINCLUDEINCLUDEUNSIGNEDCHARITR0UNSIGNEDCHARZ70UNSIGNEDCHARKUNSIGNEDCHARPUNSIGNEDCHARISBITWAVEP34/A124A33A34A35SBITRSP35SBITRWP36SBITENP37VOIDEXIR0VOIDINTERRUPT0EA0TR20KP2|0XF0DELAY_US10IFK0XFFSWITCHKCASE0XFEI0,Z70BREAKCASE0XFDI1,Z63BREAKCASE0XFBI2,Z57BREAKCASE0XF7I3