Lub luag haujlwm ntawm high-frequency transformers hauv kev hloov cov khoom siv hluav taws xob
Switching transformers muaj ntau yam zoo xws li kev hloov pauv siab, me me, lub teeb yuag, thiab kev ua haujlwm dav dav. Hloov cov khoom siv hluav taws xob yog siv rau hauv lub xov tooj ntawm tes chargers, hluav taws xob scooter chargers, thiab ntau yam khoom siv hauv tsev. Yog li ntawd, hauv kev hloov cov khoom siv hluav taws xob, peb ib txwm pom lub tshuab hluav taws xob ntau zaus. Niaj hnub no, peb yuav tham txog nws lub luag haujlwm hauv kev hloov cov khoom siv hluav taws xob.
Kev ua hauj lwm hauv paus ntsiab lus ntawm kev hloov hom fais fab mov
Peb paub tias muaj ob hom khoom siv hluav taws xob hloov pauv: tus kheej zoo siab hloov cov khoom siv hluav taws xob thiab cais cov khoom siv hluav taws xob zoo sib xws. Tam sim no, cia peb txiav txim siab hloov pauv cov khoom siv hluav taws xob ua piv txwv los piav qhia lawv cov txheej txheem ua haujlwm, yog li peb tuaj yeem piav qhia ntxiv txog lub luag haujlwm ntawm cov tshuab hluav taws xob ntau zaus hauv kev hloov cov khoom siv hluav taws xob. Nyob rau hauv ib qho kev zoo siab hloov hluav taws xob sib txawv, lub teeb liab tswj mem tes yog tsim los ntawm lub oscillator ywj siab los tswj cov kev coj ua thiab kev cuam tshuam ntawm lub raj hloov. Thaum lub raj hloov V yog nyob rau hauv lub xeev hloov, lub zog electromotive yog tsim nyob rau hauv thawj winding ntawm high-frequency transformer, uas yog induced nyob rau hauv lub thib ob winding. Lub electromotive quab yuam ntawm qhov thib ob winding tsub lub electrolytic capacitor los ntawm VD2 diode, uas ua raws li lub lim thiab tos kom ruaj khov DC voltage ntawm lub load RL.
Lub luag hauj lwm ntawm high-frequency transformers siv nyob rau hauv hloov hom fais fab mov
Kuv xav tias high-frequency transformers muaj ob lub luag haujlwm tseem ceeb hauv kev hloov cov khoom siv hluav taws xob, uas peb yuav sib tham hauv qab no. Thawj qhov taw tes yog tias kev siv cov tshuab hluav taws xob ntau zaus hauv kev hloov cov khoom siv hluav taws xob yog txhawm rau txhim kho kev hloov pauv ntawm lub zog hluav taws xob. Vim yog siv cov silicon steel sheet hlau core nyob rau hauv high-frequency transformers, hom ntawm silicon steel ntawv muaj zoo heev sib nqus conductivity, uas yuav ua tau zoo heev txhim kho cov hluav taws xob resistivity thiab sib nqus permeability, yog li txhim kho cov conversion efficiency ntawm switching fais fab mov thiab nce. nws tso zis zog.
Lub ntsiab lus thib ob yog los tiv thaiv kev nyab xeeb ntawm kev thauj khoom thiab cov neeg ua haujlwm tom qab, ua lub luag haujlwm ntawm kev sib cais kev nyab xeeb, thaum tseem ua kom huv lub zog hluav taws xob los tiv thaiv kev cuam tshuam. Peb xav tias qhov tso zis hluav taws xob ntawm qhov hloov hluav taws xob hloov pauv siab dhau los vim qee qhov laj thawj thaum lub sijhawm ua haujlwm, thiab qhov hluav taws xob ntau dhau yuav raug xa mus rau qhov kev tiv thaiv Circuit Court. Tom qab ntawd, kev tiv thaiv Circuit Court nyob rau hauv lub zog hloov hluav taws xob yuav qhib hom kev tiv thaiv, uas yuav "hais kom" hloov transistor kom tsis txhob ua haujlwm. Thaum lub hloov pauv hloov pauv tsis ua haujlwm, thawj winding kawg ntawm high-frequency transformer yuav tsis muaj peev xwm tsim electromotive quab yuam, thiab lub thib ob winding ntawm high-frequency transformer yuav tsis tau txais induced electromotive quab yuam, ua rau tsis muaj voltage. tso zis ntawm cov zis kawg, yog li tiv thaiv lub load los ntawm high voltage puas. Yog tias tsis siv lub tshuab hluav taws xob ntau zaus, qhov tshwm sim no tuaj yeem txaus ntshai heev. Yog tias lub raj hloov pauv tau tawg lawm, qhov hluav taws xob siab yuav raug tso tawm ncaj qha rau cov khoom siv hluav taws xob, hlawv nws tawm thiab txawm ua rau tib neeg lub neej muaj kev nyab xeeb.
