Kulondola kosasinthasintha kwamagetsi / kusasinthika komwe kulipo kumatenga monolithicadaputala yamagetsi, yokonzedwa ndi amplifier yamagetsi yamphamvu yocheperako komanso chowongolera chofananira chosinthika kuti chipange njira yowongolerera ma voltage komanso njira yolumikizira yomwe ilipo.Poyerekeza ndi njira yolumikizira yomwe imapangidwa ndi ma transistors, ili ndi maubwino ake olondola kwambiri amagetsi osasinthasintha komanso kusasinthika komwe kulipo, kolunjika kozungulira, kukana kukana komwe kulipo, kuchepetsa kugwiritsa ntchito mphamvu komanso kukulitsa mphamvu zamagetsi.Mphamvu zake zogwira ntchito zimatha kufika 80%.Mphamvu yamtunduwu ndiyoyenerama charger othamanga a laputopukomanso zojambulira makanema.
Dera la 15v2a kulondola kwamagetsi kosalekeza / adaputala yamagetsi yamagetsi yokhazikika ikuwonetsedwa pachithunzichi.Mabwalo anayi ophatikizika amagwiritsidwa ntchito pozungulira: TOP214Y monolithic power adapter (IC1), PC816A linear optocoupler (IC2), chowongolera chowongolera chofananira tl431C (C3), ndi amplifier yapawiri yapawiri lm358 (iC4, kuphatikiza ma amplifiers awiri ic4a ndi ic4b).
Derali lili ndi izi:
- ① Magetsi owongolera magetsi amapangidwa ndi ic4b, IC3, vd5, ndi ma sampling resistors R3 ndi R4;Kuwongolera kwaposachedwa kumapangidwa ndi ic4a, vd6, ndi overcurrent detector resistor R6.
- ② Mphamvu yamagetsi yamagetsi ndi kuwongolera kwaposachedwa kumagwira ntchito molingana ndi mfundo ya "logic kapena chipata", ndiye kuti, nthawi iliyonse, lupu yomwe kutulutsa kwake ndikwapamwamba kumachita gawo lowongolera.
- ③ Njira yachiwiri yokhotakhota NSB imawonjezedwa kuti ipereke mphamvu ku loop yowongolera.Kukondera kwachiwiri kumatha kutsata kusintha kwa voliyumu ya DC yanu kotero kuti imakhalabe ndi mawonekedwe apano pomwe mphamvu yotulutsa mphamvu U yachepetsedwa kwambiri.Idzalowa m'malo oyambitsanso pokhapokha ngati u ≤ 0.8V.
- ④ Adaputala ya TOP214y single-chip mphamvu imagwiritsidwa ntchito, ndipo mphamvu yovotera imafika 30W
- ⑤ Pamene chiwongolero chamakono chopangidwa ndi amplifier chogwiritsira ntchito chikuvomerezedwa, kukana kwa kukana kwa R6 komweku kungathe kuchepetsedwa mpaka 0.1q, kugwiritsa ntchito mphamvu kumatha kuchepetsedwa kukhala 0.4W, ndipo mphamvu yamagetsi imatha kusintha.
- ⑥ Wonjezerani kuchuluka kwa voliyumu ya mayankho mpaka 46v.Apa, PC816A optocoupler amasankhidwa, amene U (BR) CEO = 70V> 40V.
M'mikhalidwe yodziwika bwino, mphete yowongolera voteji imagwira ntchito, komanso adapter yamagetsi imagwira ntchito pamalo opitilira voteji.Imalowa m'dera lokhazikika lomwe lilipo pamene ndili pafupi ndi 2a.Pakadali pano, mphete yowongolera yomwe ilipo ikugwira ntchito.The in-phase input terminal ya ic4a imalumikizidwa ndi siginecha yomwe ilipo ya ur6, komanso cholumikizira cholowera cholumikizidwa ndi voltage divider voltage ufy.Gulu logawanitsa magetsi limapangidwa ndi R8, tl431c, ndi r5.Ic4a imatulutsa zolakwika pambuyo posiyanitsa ub6 ndi ufy.Chizindikiro cha U pambuyo pake chimakhala chizindikiro chomwe chilipo kudzera pa vd5 komanso R1, chimasunthira mpaka mu LED mu optocoupler, ndipo pambuyo pake imayendetsa kayendetsedwe ka ntchito ya TOP214Y kusunga kutulutsa komwe kulipo kwa magetsi nthawi zonse pamalo omwe akupitilira.Mosakayikira, vd5, komanso vd6, ndi ofanana ndi "kapena chipata".Ngati kuwongolera komwe kulipo kumatulutsa digirii yayikulu komanso kuwongolera kwamagetsi kumapangitsa kuti pakhale kutsika, mphamvu zamagetsi zimagwira ntchito mosalekeza;M'malo mwake, imagwira ntchito mokhazikika pamayendedwe amagetsi.
Nthawi yotumiza: May-20-2022