Taw qhia rau tus qauv ntawm ib nti DC hloov fais fab fais fab mov
Lub ntsiab kev tswj hwm ntawm hloov hom fais fab tuag yog siv mem tes dav hlau pulses, thiab siv analog PID REGULATOR rau mem tes dav. Txoj kev tswj hwm no muaj qee qhov yuam kev thiab cov Circuit Court yog qhov sib txawv. Kab lus no tsim muaj kev ua tau zoo ib leeg-nti microcontroller raws li tus tswj hwm lub zog rau kev hloov kho cov zis txuas ntxiv. Lub microcontroller ncaj qha tsim cov pam tsis thiab ua cov kev tswj digital ntawm lub circuit Court ntawm lub tshuab hloov hluav taws xob. Lub Circuit Court yog qhov yooj yim thiab muaj zog.
1. Lub ntsiab cai thiab tag nrho cov qauv ntawm lub hwj chim DC Fais Fab Khoom Siv Hluav Taws Xob
1.1 Txheej txheem txheej txheem
Lub hwj huam no dc fais fab khoom muaj ob ntu: lub circuit Coill ntawm hloov fais fab fais fab khoom thiab tswj Circuit Court. Lub Circuit Coills tseem ceeb ua cov hluav taws xob, thaum kev tswj hwm hluav taws xob feem ntau yog cov cim hluav taws xob. Cov lus teb tsis zoo yog siv los ua cov txheej txheem tsis siv neeg. Hloov hluav taws xob muab cov txheej txheem PWM kev tswj hwm, thiab kev sib txawv yog muab los ntawm kev sib piv nrog kom muaj nuj nqis thiab cov lus pom tseeb. Lub PWM cov zis tau tswj los ntawm cov digital pid regulator los tswj cov khoom tawm ntawm cov hloov hluav taws xob hloov. Ntawm lawv, cov ntawv teev kev sib xws thiab PWM cov zis tau ob qho tib si tswj tau los ntawm software siv ib lub microcontroller system.
1.2 Tag Nrho Cov Txheej Txheem Tsim
Cov khoom kho vajtse ib feem ntawm cov txheej txheem muaj cov tswv yim thiab cov zis hloov khoom siv, cov fais fab tuag, microciDERRER TSHUAB, THIAB AUXILESIALY TSHAJ. Daim duab 1 qhia cov txheej txheem txheej txheem ntawm DC fais fab khoom tswj tau los ntawm microcontroller.
Los ntawm daim duab 1, nws tuaj yeem pom tau tias 5 {{{7} hz, 220V AC lub zog lim dej rau kev cuam tshuam thiab kev lim, hloov nws mus rau hauv DC vertage teeb liab. Lub teeb liab DC tau hloov pauv mus rau hauv lub teeb meem siab tshaj plaws ntawm lub teeb taws los ntawm lub teeb taws kev hloov pauv mus rau hauv lub teeb meem hluav taws xob hauv lub teeb liab los ntawm cov zis retectification thiab lim dej [1]. Txoj kev tswj hwm cov kev coj ua PWM kev tswj hwm dav dav, thiab lub PulmeRet yog ua tiav los ntawm cov microcontroller yog ua tiav los ntawm kev hloov kho lub zog hloov dua tshiab. Siv cov kev hloov pauv siab ADC kev hloov pauv ntawm cov microcontroller los sau cov khoom siv hluav taws xob, thiab kev hloov kho yog nqa tawm ntawm nws qhov yuam kev. Qhov ntsuas hluav taws xob tau txais kev pom tseeb qhov kev nrhiav DC voltage v0 thiab phim nws nrog analog investion voltage ntau ntawm A / D Converter. Nyob rau hauv qhov kev tshwm sim ntawm overvoltage, overcurrent, thiab luv luv ntawm cov hluav taws xob, kev tiv thaiv kev tiv thaiv lub luag haujlwm tiv thaiv lub zog thiab thauj khoom. Lub sijhawm siv hluav taws xob pab hluav taws xob muab cov hwj huam rau kev tswj cov cim, tsav tsheb ciav hlau, thiab lwm yam.
