Hauv kev teb rau cov teeb meem ntawm cov ntsuas ntsuas qis thiab tus nqi siab ntawm cov tsoos peb {}}}}}}} page multifunctional ntsuas ntsuas. Cov khoom siv hluav taws xob ntawm cov cuab yeej feem ntau suav nrog cov hluav taws xob feem ntau suav nrog ntau cov kev hloov pauv Circuit Court, Model Circuit Court, kev sib txuas lus serial thiab ua rau Circuit Court. Qhov hluav taws xob ntau thiab cov qauv ntsuas tam sim no hloov hluav taws xob cov kev hloov pauv qhov hluav taws xob thiab cov paib txuas ntxiv sau los ntawm qhov ntsuas hluav taws xob tam sim no thiab hluav taws xob. Cov cuab yeej no los nrog 4 uart cov chaw nres nkoj serial rau kev sib txuas lus, uas yooj yim rau txuas nrog lwm peripherals. Tom qab tau txais lub teeb liab, lub microcontrollers qhia tau cov hluav taws xob thiab cov ntaub ntawv tam sim no ntawm TFTLCD capacitive kov screen. Lub software tsim tau suav nrog kev pib ua ntu zus, teeb tsa cov ntawv sau npe tseem ceeb, thiab sau cov hluav taws xob tsis tu ncua thiab tam sim no.
Cov ntsiab lus: microcontroller; voltage thiab cov kev ntsuas tam sim no; Ntau yam hloov Circuit Court
Cov ntsiab lus:
2. Hardware Circuit Tsim
2.1 Cov Txheej Txheem
2.2 voltage thiab tam sim no cov qauv ntsuas tau hloov hluav taws xob
2.3 Relay Tsav Circuit Court tsim
2.4 Kev Sib Txuas Lus Module Tsim
3.1 MicroController Lub Chaw Tsim Nyog
3.2 chaw nres nkoj SERIAL cuam tshuam cuam tshuam
4. estest cov txiaj ntsig thiab tsom xam
Nrog rau kev txhim kho cov ntaub ntawv hauv hluav taws xob, cov ntsuas kev sib zog hluav taws xob tau muaj qhov tseeb thiab siv hluav taws xob siab, uas tuaj yeem tsis tau raws li cov cai. Cov neeg tau ua ke software thiab cov khoom siv kho vajtse txhawm rau tawm hluav taws xob hluav taws xob meters. Tam sim no, lub ntsuas ntsuas kev ua haujlwm ntawm peb -}}}}} itionase zog zog metres yog txhim kho tas li. Txhawm rau kom muaj kev ruaj ntseg ntawm kev ua tau zoo thiab cov chaw taws teeb sib luag thiab cov me nyuam yaus tsis siv hluav taws xob thiab muaj zog anti- sib cuam tshuam. Xav txog cov teeb meem ntawm LCD zaub thiab nrhiav tau tam sim no, daim ntawv no siv nti nrog LCD maub los ua kom yooj yim rau cov Circuit Court. Yog li, cov ntawv no tshawb xyuas peb - meter 'meter calibration ntaus ntawv calibration ntsuas qhov ntsuas hluav taws xob me me thiab voltage.
2.hardware caccuit tsim
2.1core system
Lub Zog Ntiag Cov Pins 58, 59, thiab 60 tau txuas nrog 5 V Voltage, PIN 54 yog PIN 53 yog lub Serial Serial chaw nres nkoj.
2.2 voltage thiab tam sim no cov qauv ntsuas tau hloov hluav taws xob
Nrog rau kev txhim kho cov ntaub ntawv hauv hluav taws xob, cov kev siv hluav taws xob tsis muaj zog thiab muaj zog siv hluav taws xob, uas tuaj yeem tsis tau raws li qhov yuav tsum tau ua. Cov neeg tau ua ke software thiab cov khoom siv kho vajtse txhawm rau tawm hluav taws xob hluav taws xob meters. Tam sim no, lub ntsuas ntsuas kev ua haujlwm ntawm peb -}}}}} itionase zog zog metres yog txhim kho tas li. Ib co bidirectional peb {{4 4}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Ntsuas tus nqi ntawm txhua theem voltage thiab reactive zog; Xav tias nws tsis yog ib qho kev ntsuas ntau ntxiv, cov neeg tsim qauv siv chips rau qhov tam sim no thiab voltage} kev ntsuas WaveTsing, metering, thiab kev txiav txim siab tiv thaiv loj. Txhawm rau kom ntseeg tau tias qhov kev ua tau ruaj khov ntawm kev ua tau zoo thiab cov chaw taws teeb thiab muaj zog {{{9} sib cuam tshuam; Peb {-} phase zog meters raws ib {}}}}}}}}}}}} {}}}} {}}}}}}}}}}}} {}}}} {}}}} {}}}}}}}} {}}}}}} {}}}}}} {} {}} {}}}}} {} {motion microcompress lub zog thiab muaj nyem lub cim xeeb txhim kho cov haujlwm. Nyob rau hauv xyoo tsis ntev los no, daim ntawv thov ntawm cov chips hauv meters tau dhau los ua tus qauv. Xav txog cov teeb meem ntawm LCD zaub thiab nrhiav tau tam sim no, cov ntsuas ntsuas ntawm qhov ntsuas hluav taws xob qis thiab ntsuas hluav taws xob qis rau hauv cov khoom siv calibration.
2.3 Relay Tsav Circuit Court tsim
Thaum i / o chaw nres nkoj ntawm kev tsav nti tawm 5 V, tam sim no ntws los ntawm cov Autri cov zis relay chev, thiab hloov k10 tau hloov mus rau 4 kom tawm ntawm cov hluav taws xob ruaj khov.
2.4 Kev Sib Txuas Lus Module Tsim
Lub nti yog siv nyob rau hauv kev tsim kho vajtse, thiab txuas nrog rau PA2, PA3, PA3, thiab PA3 thiab PA9 thiab PA10 yog siv rau kev tau txais. Lub davhlau ya nyob 5 hauv J4 yog cov av davhlau ya nyob twg, thiab 3 sib raug nrog PA9 thiab PA10 interfaces.
3.Qhov chaw tsim
Lub software tsim ntawm peb -} Elass Meter Cegration rau cov qauv tsim qauv coj los ua cov ntaub ntawv khaws cov ntaub ntawv kov. Vim tias qhov chaw txwv, tsuas yog microcontroller main program thiab serial chaw nres nkoj cuam tshuam tau txais kev pab qhia tau piav qhia.
3.1 MicroController Lub Chaw Tsim Nyog
Ua ntej, xiam kev cuam tshuam thoob ntiaj teb, tom qab ntawd pib ntau yam thiab IO chaw nres nkoj, thiab teeb tsa cov ntawv sau npe tsim nyog. Tom qab pib ua tiav cov kev ntsuas, lub microcontroller ua cov ntaub ntawv ua thiab thaum kawg qhia cov voltage thiab cov ntaub ntawv tam sim no ntawm lub vijtsam kov.
3.2 chaw nres nkoj SERIAL cuam tshuam cuam tshuam
Tom qab microckontroller qhib qhov kev cuam tshuam thiab tau txais tus cwj pwm, kev txais tos qhov kev lees paub ua tiav. Qhov tau txais cov haujlwm txuag cov ntaub ntawv rau cov sib txawv tsis sib xws, thiab cov txee yog txo los ntawm 1. Yog lub txee yog sib npaug; Yog tias lub txee tsis sib npaug nrog 0, lub microcontroller tos rau kev txais tos lwm tom ntej.
4. estest cov txiaj ntsig thiab tsom xam
Qhov kev sim sim platform tau ua nrog cov khoom tsim kho vajtse tsim thiab software. Peb lub {{-}}}}}}}} cov qauv hluav taws xob ntawm qhov chaw ntsuas qhov ntsuas. Peb pawg ntawm cov ntaub ntawv tau nthuav tawm rau kev sim.
Los ntawm cov ntaub ntawv saum toj no, nws tuaj yeem pom tau tias los ntawm kev hloov thawj tus nqi ntawm lub zog, qhov ua yuam kev ntawm txhua txheej ntawm cov ntaub ntawv tau yog tsawg heev. Cov cuab yeej tuaj yeem paub qhov ntsuas tau yog ntawm peb -} haiv taws meter, uas tau raws li kev cia siab.
5. Xaus
Cov qauv tsim qauv ntawm cov kab ntawv no yog peb - meter 'tsawg dua li 4 decimal qhov chaw zoo tshaj plaws rau cov neeg siv hluav taws xob zoo tagnrho rau cov neeg siv hluav taws xob zoo tagnrho rau cov neeg siv hluav taws xob