Qhov zoo thiab qhov tsis zoo ntawm kev hloov qhov chaw
Switching Regulated Power Supply Advantages:
Tsawg zog noj thiab ua haujlwm siab. Nyob rau hauv lub switching fais fab mov Circuit Court nyob rau hauv daim duab 1, lub transistor V zoo siab los ntawm lub excitation teeb liab, nws alternately ua hauj lwm nyob rau hauv lub on-off thiab off-on switching xeev, lub conversion ceev ceev heev, zaus feem ntau yog hais txog 50kHz, qee lub teb chaws uas siv tshuab thev naus laus zis, nws tuaj yeem ua tau ntau pua lossis ze li 1,000kHz. Qhov no ua rau kev hloov pauv ntawm Transistor V lub zog siv tsawg heev, qhov ua tau zoo ntawm cov khoom siv hluav taws xob tuaj yeem txhim kho tau zoo, nws cov txiaj ntsig tuaj yeem ncav cuag 80%.
Me me thiab lub teeb yuag. Nws yog tseeb los ntawm daim duab thaiv ntawm lub zog hloov hluav taws xob uas tsis muaj cov khoom siv hluav taws xob ntau zaus siv ntawm no. Raws li lub hwj chim dissipated ntawm kev hloov lub raj V yog txo qis, thiab tom qab ntawd tshem tawm qhov xav tau rau lub dab dej kub loj dua. Vim yog ob qho laj thawj no, lub zog hloov hluav taws xob yog qhov me me thiab lub teeb hauv qhov hnyav. Switching Power Supply Solutions
Kev tswj hwm qhov dav dav. Cov zis hluav taws xob los ntawm kev hloov hluav taws xob hloov hluav taws xob yog tswj hwm los ntawm lub luag haujlwm lub voj voog ntawm lub teeb liab excitation, thiab qhov kev hloov pauv ntawm cov teeb liab input voltage tuaj yeem raug them los ntawm kev hloov pauv zaus lossis nthuav dav. Nyob rau hauv txoj kev no, thaum muaj ntau zaus daim phiaj voltage sib txawv heev, nws tseem tuaj yeem ua kom muaj qhov tso zis ntau zog. Yog li ntawd, qhov hloov hluav taws xob hloov hluav taws xob muaj ntau qhov kev tswj hwm qhov hluav taws xob ntau thiab muaj kev tswj hwm qhov hluav taws xob zoo. Tsis tas li ntawd, txoj kev hloov lub voj voog ua haujlwm muaj ob hom: pulse width modulation type thiab zaus modulation type. Kev hloov hluav taws xob tsis yog tsuas yog muaj qhov zoo ntawm ntau qhov kev ruaj ntseg hluav taws xob, tab sis kuj muaj ntau txoj hauv kev kom ua tiav qhov hluav taws xob stabilization, cov neeg tsim qauv tuaj yeem xaiv ntau hom kev hloov hluav taws xob raws li qhov yuav tsum tau ua ntawm daim ntawv thov tiag tiag. Hloov cov kev daws teeb meem
Qhov kev ua tau zoo ntawm kev lim dej tau zoo heev, kom lub peev xwm thiab ntim ntawm lim capacitors txo qis heev. Hloov fais fab mov kev khiav hauj lwm zaus yog pib ua hauj lwm ntawm 50kHz, yog ib tug linear tswj fais fab mov 1000 zaug, uas ua rau lub rectifier filtering efficiency yuav luag nce los ntawm 1000 zaug; Txawm hais tias kev siv ib nrab-yoj rectification nrog capacitor filtering, qhov ua tau zoo kuj nce 500 zaug. Nyob rau hauv tib lub ripple tso zis voltage, kev siv ntawm switching tswj fais fab mov, lub peev xwm ntawm lub lim capacitor tsuas yog linear tswj fais fab mov lim capacitance ntawm 1/500 ~ 1/1000. circuit daim ntawv hloov tau yooj yim, nws tus kheej zoo siab thiab lwm yam excitation hom, muaj ib tug broadening thiab zaus hom, ib leeg-kawg thiab ob-kawg, thiab lwm yam., tus tsim muaj peev xwm ua si ntau hom circuits ua si ib tug tshwj xeeb, tsim kom tau raws li lub sib txawv kev siv ntawm switching fais fab mov.
Qhov tsis zoo ntawm kev siv hluav taws xob hloov pauv:
Qhov tsis zoo ntawm kev hloov hluav taws xob hloov pauv yog qhov muaj qhov cuam tshuam loj ntawm kev hloov pauv. Hloov fais fab mov, hloov hluav taws xob hloov pauv transistor V ua haujlwm nyob rau hauv lub xeev hloov, nws tsim AC voltage thiab tam sim no los ntawm Circuit Court ntawm lwm yam khoom los tsim kev cuam tshuam kev cuam tshuam thiab resonance cuam tshuam, cov cuam tshuam no yog tias koj tsis siv qee yam kev ntsuas los tiv thaiv, tshem tawm thiab tiv thaiv. , yuav cuam tshuam rau kev ua haujlwm ntawm lub tshuab. Tsis tas li ntawd, vim hais tias lub zog hloov hluav taws xob oscillator tsis muaj kev sib cais ntawm kev lag luam zaus transformer, cov kev cuam tshuam no yuav raug cuam tshuam rau hauv cov hluav taws xob hluav taws xob ntau zaus, kom lwm yam khoom siv hluav taws xob, khoom siv thiab khoom siv hauv tsev nyob ib puag ncig ntawm kev cuam tshuam loj heev. Hloov
