Thaum nws los txog rau inductor, ntau tus neeg tsim qauv tau ntshai vim lawv tsis paub sivinductor. Ntau zaus, ib yam li Schrodinger's miv: tsuas yog thaum koj qhib lub thawv, koj tuaj yeem paub seb tus miv tuag los tsis yog. Tsuas yog thaum lub inductor yog tiag tiag soldered thiab siv nyob rau hauv lub Circuit Court peb yuav paub seb nws puas siv tau los yog tsis.
Vim li cas inductor nyuaj heev? Vim hais tias inductance cuam tshuam nrog electromagnetic teb, thiab cov kev tshawb xav ntawm electromagnetic teb thiab transformation ntawm magnetic teb thiab hluav taws xob teb yog feem ntau nyuaj rau to taub. Peb yuav tsis tham txog lub hauv paus ntsiab lus ntawm inductance, Lenz txoj cai, txoj cai txoj cai, thiab lwm yam. Qhov tseeb, hais txog inductor, dab tsi peb yuav tsum tau xyuam xim rau tseem yog qhov tseem ceeb ntawm inductor: inductance tus nqi, rated tam sim no, resonant zaus, zoo yam. (Q tus nqi).
Hais txog tus nqi inductance, nws yog ib qho yooj yim rau txhua tus neeg to taub tias thawj yam uas peb tau saib xyuas yog nws "tus nqi inductance". Qhov tseem ceeb yog kom nkag siab tias tus nqi inductance sawv cev li cas. Tus nqi inductance sawv cev li cas? Tus nqi inductance sawv cev tias qhov loj dua tus nqi, lub zog ntau dua qhov inductance tuaj yeem khaws cia.
Tom qab ntawd peb yuav tsum xav txog lub luag haujlwm ntawm qhov loj lossis me me inductance tus nqi thiab ntau lossis tsawg zog nws khaws cia. Thaum tus nqi inductance yuav tsum loj, thiab thaum tus nqi inductance yuav tsum me me.
Nyob rau tib lub sijhawm, tom qab nkag siab lub tswv yim ntawm inductance tus nqi thiab ua ke nrog cov qauv theoretical ntawm inductance, peb tuaj yeem nkag siab tias dab tsi cuam tshuam rau tus nqi ntawm inductance hauv kev tsim cov inductor thiab yuav ua li cas nce lossis txo nws.
Cov ntsuas tam sim no kuj yooj yim heev, ib yam li qhov tsis kam, vim hais tias cov inductor txuas nrog hauv cov kab hauv Circuit Court, nws yuav inevitably ntws tam sim no. Tus nqi tam sim no tso cai yog qhov ntsuas tam sim no.
Resonant zaus tsis yooj yim to taub. Lub inductor siv nyob rau hauv kev xyaum yuav tsum tsis yog ib tug zoo tagnrho Cheebtsam. Nws yuav muaj qhov sib npaug capacitance, sib npaug tsis kam thiab lwm yam tsis muaj.
Resonant zaus txhais tau hais tias hauv qab no zaus, lub cev yam ntxwv ntawm inductor tseem coj zoo li inductor, thiab saum toj no zaus, nws tsis coj zoo li inductor.
Qhov zoo tshaj plaws (Q tus nqi) yog qhov tsis meej pem ntau dua. Qhov tseeb, qhov zoo tshaj plaws yog hais txog qhov sib piv ntawm lub zog khaws cia los ntawm inductor rau lub zog poob los ntawm inductor nyob rau hauv lub teeb liab voj voog ntawm ib lub teeb liab zaus.
Nws yuav tsum tau muab sau tseg ntawm no hais tias qhov zoo tshaj plaws yog tau ntawm ib tug tej zaus. Yog li thaum peb hais tias Q tus nqi ntawm ib qho inductor siab, nws txhais tau tias nws siab dua Q tus nqi ntawm lwm cov inductors ntawm ib qho chaw zaus lossis qee zaus band.
Nkag siab cov ntsiab lus no thiab tom qab ntawd coj mus rau hauv kev siv.
Inductors feem ntau muab faib ua peb pawg hauv daim ntawv thov: fais fab inductors, high-frequency inductors thiab inductors zoo tib yam.
Ua ntej, cia peb tham txoglub zog inductor.
Lub zog inductor yog siv rau hauv lub zog hluav taws xob. Ntawm cov hluav taws xob inductors, qhov tseem ceeb tshaj plaws uas yuav tsum tau them rau yog tus nqi inductance thiab ntsuas tus nqi tam sim no. Lub resonance zaus thiab qhov zoo tshaj plaws feem ntau yuav tsum tsis muaj kev txhawj xeeb ntau.
Vim li cas?vimlub zog inductorsfeem ntau yog siv nyob rau hauv tsawg zaus thiab siab tam sim no. Nco qab tias dab tsi yog qhov hloov zaus ntawm lub hwj chim module nyob rau hauv boost circuit lossis puck circuit? Puas yog nws tsuas yog ob peb puas K, thiab qhov hloov pauv nrawm dua tsuas yog ob peb M. Feem ntau hais lus, tus nqi no qis dua tus kheej-resonant zaus ntawm lub zog inductor. Yog li peb tsis tas yuav mob siab txog qhov resonant zaus.
Ib yam li ntawd, hauv kev hloov hluav taws xob hloov hluav taws xob, qhov kawg tso tawm yog DC tam sim no, thiab AC tivthaiv tau suav rau ib feem me me.
Piv txwv li, rau 1W BUCK fais fab tso zis, DC tivthaiv suav rau 85%, 0.85W, thiab AC tivthaiv suav rau 15%, 0.15W. Piv txwv tias qhov zoo tshaj Q ntawm lub hwj chim inductor siv yog 10, vim hais tias raws li lub ntsiab lus ntawm qhov zoo ntawm inductor, nws yog qhov piv ntawm lub zog khaws cia los ntawm inductor rau lub zog siv los ntawm inductor. Lub inductance yuav tsum khaws lub zog, tab sis DC tivthaiv tsis tuaj yeem ua haujlwm. Tsuas yog AC tivthaiv tuaj yeem ua haujlwm. Tom qab ntawd AC poob los ntawm qhov inductor no tsuas yog 0.015W, suav txog 1.5% ntawm tag nrho lub zog. Vim tias Q tus nqi ntawm lub zog inductor loj dua 10, peb feem ntau tsis quav ntsej txog qhov ntsuas no.
Wb tham txoghigh zaus inductor.
High-frequency inductors yog siv nyob rau hauv high-frequency circuits. Nyob rau hauv high-frequency circuits, qhov tam sim no feem ntau yog me me, tab sis qhov zaus yuav tsum tau siab heev. Yog li ntawd, cov cim tseem ceeb ntawm inductor ua resonance zaus thiab qhov zoo tshaj plaws.
Resonant zaus thiab qhov zoo tshaj plaws yog cov yam ntxwv muaj feem cuam tshuam nrog ntau zaus, thiab feem ntau muaj cov yam ntxwv ntawm qhov nkhaus sib thooj rau lawv.
Daim duab no yuav tsum to taub. Koj yuav tsum paub tias qhov qis tshaj plaws nyob rau hauv daim duab impedance ntawm tus yam ntxwv ntawm resonance zaus yog qhov resonance zaus point. Qhov zoo tshaj qhov tseem ceeb sib xws rau cov zaus sib txawv yuav raug pom nyob rau hauv daim duab zaus ntawm tus yam ntxwv zoo. Saib seb nws puas tuaj yeem ua tau raws li qhov xav tau ntawm koj daim ntawv thov.
Rau cov inductors zoo tib yam, peb yuav tsum tsuas yog saib ntawm cov ntawv thov sib txawv, txawm tias lawv siv hauv lub zog lim hluav taws xob lossis hauv cov teeb liab lim, lub teeb liab ntau npaum li cas, ntau npaum li cas tam sim no, thiab lwm yam. Rau cov xwm txheej sib txawv, peb yuav tsum tau saib xyuas lawv cov yam ntxwv sib txawv.
Yog tias koj xav tau, thov hu rau dawbMingdakom paub meej ntxiv.
Post lub sij hawm: Feb-17-2023
