Lub apparatus thiab kev khiav hauj lwm hauv paus ntsiab lus ntawm ib tug diode choj rectifier Circuit Court

Alternating hluav taws xob tam sim no yog hloov dua siab tshiab rau DC pulsed los ntawm kev siv ntawm tshwj xeeb hluav taws xob circuits - diode choj. Diode choj rectifier Circuit Court yog muab faib ua ob versions: ib-theem thiab peb-theem.

Nyob rau hauv lub ntsiab rectifier lub caij yog ib tug diode. Structurally, nws yog ib tug phaj ntawm lub semiconductor nti nrog ob tug sib txawv conductivity aav. Ib tug feature yog ib tug unilateral zaj ntawm ib tug hluav taws xob tam sim no, nyob ntawm seb cov kev taw qhia uas txaus.

Qauv thiab muaj nuj nqi ntawm lub rectifier diode raws li nyob rau hauv cov yam ntxwv ntawm semiconductor pn hloov ntawm cov aav. Nws kuj nyob ntawm qhov polarity ntawm lwm voltage. Nyob rau hauv ib rooj plaub, nws yog loj, nyob rau hauv lwm yam - me ntsis.

Cov hluas-theem diode choj

Thaum lub tswv yim - AC sine yoj voltage nyob rau hauv txhua ib nrab lub voj voog ntawm cov tam sim no kis tau los ntawm ib tug khub ntawm diodes thiab lwm yam kaw. Raws li ib tug tshwm sim, cov zis Circuit Court tsim ntawm ib tug diode choj rectifier ripple voltage muaj ib zaus ob lub sij hawm loj tshaj nyob rau inlet.

Lub peb-theem choj Circuit Court

Qhov no Circuit Court siv diode ib nrab-choj rectifiers. Lub tso zis voltage yog tau nrog me me pulsations.

Yuav ua li cas rau smooth tawm lub ripple ntawm wires hwj chim?

Qhov zoo tshaj ntawm cov rectified voltage txo nrog ib qho kev nce rau hauv nws cov mem. Yuav kom txo tau nws, thov hais, accumulating zog thaum nkag los ntawm lub rectifier tshem raws li qhov kev txiav ntawm nws cov ntawv.

Nyob rau hauv daim duab, ib tug diode choj rectifier nrog ib tug capacitor kev cob cog rua nyob rau hauv thaum uas tig mus nrog rau lub xeem load. Nws cia muaj peev xwm xaiv nyob ntawm seb lub load tam sim no. Thaum ua ntawv thov mem tes rau hauv lub capacitor tsub rau koj. Ntawm pulses (thaum lawv tsis), nws yog muab ib tug voltage load.

Raws li ib tug tshwm sim ntawm lub smoothing lim zis voltage ua loj thiab txuas tus nqi ntawm cov rectified amplitude nqi.

Ib qho zoo tagnrho voltage ntawm cov qhov tso zis ntawm lub taub lim tsis tau vim yog lub paug ntawm cov capacitor ntawm pulses. Feem ntau xws permissible ripple. Lawv yuav tsum tau poob los ntawm nce lub capacitance ntawm lub capacitor.

Yog hais tias lub smoothing inductor yog siv, nws yog kev cob cog rua nyob rau hauv series nrog lub load. Lub ua ke lim Circuit Court muaj xws li inductors thiab capacitors.

Siv cov kev faib ntawm lub diode choj

Qhov yooj yim ntaus ntawv choj yog ua li cas ntawm cais diodes adhesions. Cov kev lag luam ua monolithic lug uas yog me me nyob rau hauv loj thiab pheej yig dua. Nyob rau hauv tas li ntawd, lawv yog matched diodes nrog zoo xws li cov yam ntxwv, uas tso cai rau lawv mus ua hauj lwm nrog tib tshav kub. Qhov no yuav tsub lub ntseeg ntawm lub diode choj rectifier Circuit Court.

Qhov kom zoo dua ntawm lub diode choj ntawm tus neeg hais yog tus muaj peev xwm mus kho, thaum ib tug ntawm lawv tsis. Cov los ua ke kuj muaj hloov kiag li. Tej kev yuam kev nyob rau hauv nws yog tsis tshua muaj, vim hais tias lub ntsiab yog kom sib phim.

Fais fab rectifiers

Devices uas haus ib tug loj tam sim no, feem ntau yog powered los ntawm 220 V. Direct pab kiag li lawm yog tsis cob cog rua, txij thaum lub voltage yuav tsum tau rau cov hluav taws xob circuits yog me me, ib tug tam sim no - qhov. Ces siv lub AC adapter.

Voltage nws txo qis los ntawm cov transformer, uas kuj tsim ib tug galvanic rho tawm ntawm lub thawj thiab pub chains. Qhov no thiaj li kev pheej hmoo ntawm hluav taws xob poob siab thiab muaj kev tiv thaiv los ntawm apparatus thaum ib tug luv luv-Circuit Court nyob rau hauv lub Circuit Court.

Niaj hnub nimno adapters khiav lag luam nyob rau hauv feem ntau tus neeg mob nyob rau hauv lub yooj yim zog transformerless Circuit Court tsis muaj galvanic rho tawm, nyob rau lub dhau heev lawm lub hwj chim yog absorbed los ntawm cov capacitor.

Tsav lub diode choj 12 volts: kev qhia thiab los ua ke

Lub hwj chim mov muaj ob modules, qhov twg ua ntej - ib kauj ruam-down transformer, thiab lub thib ob - ib tug diode choj uas converts ib hom ntawm voltage mus rau lwm lub.

Xaiv haum transformer. Lub hom winding yog nrog ib tug tester. Nws kuj yuav tsum muaj tus loj tshaj. Los ntawm saab laaj multimeter yam xaus yog nyob rau hauv kuj ntsuas hom. Tom qab ntawd muaj lwm yam kev niam txiv thiab ua cim.

Yog txhab khoom mus rau cov thawj winding 220 V. Ces tus tester yog txhais mus rau hauv ib qho alternating voltage ntsuas hom thiab ntsuas cov voltage nyob rau lwm yam windings. Xaiv ib los yog lus 10 V. Nws yog ib qho tseem ceeb tias cov voltage yog 12 V, txij thaum lub capacitive lim tom qab nws yog nce los ntawm 18%.

Lub transformer yog tom rau cov yam hwj huam, ces tus Tshuag yog npaum li cas los 25%.

4 cov diode nyob rau hauv lub diode choj thiab xaus propaivayutsya. Ces tus Circuit Court yog kev cob cog rua, nyob rau cov qhov tso zis capacitor yog kev cob cog rua rau 25 V thiab 2200 MF (ntsha) thiab qhia tau tseeb nyob rau hauv lub lag luam.

Transformerless Circuit Court ntawm lub diode choj rectifier 24 volts

Nyob rau hauv pib xyaum ua xyaum lug siv muaj hwj huam hwj chim mov tsis transformers.

Fais fab mov 220 nkag los ntawm lub ballast capacitor C1. Lub rectifier muaj diodes VD1, VD2 thiab Zener diodes VD3, VD4. Yuav kom tshem tawm tam sim no surges los ntawm tus choj uas txuas lub hwj chim capacitor nyob rau hauv series nrog ib tug tam sim no txawj resistor yog teem kuj 50-100 ohms. Nyob rau hauv thiaj li yuav raws lub capacitor thaum tawg Circuit Court, kev cob cog rua nyob rau hauv thaum uas tig mus thereto 150-300 kohm resistor.

Lub tso zis Circuit Court yog teem smoothing capacitor ib capacitance ntawm 2000 PF.

Cov tsis muaj galvanic kev sib txuas lus tsim qhov kev nyab xeeb ntawm hluav taws xob poob siab.

daim ntawv thov

Daim ntaub ntawv ntawm cov diode choj yog tsis tshua muaj ntau thiab ntau yam kev sau:

• teeb pom kev zoo (LED thiab fluorescent teeb);
• hluav taws xob metering pab kiag li lawm;
• fais fab mov units ntawm hluav taws xob khoom;
• muaj hwj huam mov, kev tswj thiab chargers.

Yuav ua li cas xaiv ib tug diode ua tus diode choj?

Lub ntsiab xaiv yog cov voltage thiab tam sim no uas tus diode yog tsis overheated. Nyob rau hauv ncaj qha menyuamuas thereon ntog voltage ntawm txog 0.6 V, raws li nws muaj ib tug nrog kuj. Cov rov qab voltage hais tias cov diode tiv tsis nkag mus rau lub thermal thiab hluav taws xob neej puas hom, muaj ib tug tej yam kev txwv. Yog hais tias nws yog tsim los rau 220 V, nws yuav siv sij hawm Tshuag ntawm tsis tsawg tshaj li 25%. Tab sis nws yog ib qho zoo yuav coj nws loj txaus los tiv thaiv tiv thaiv lo hwj chim-line surges.

Tam sim no kuj yog muab los ntawm lub zeem cia. Yog hais tias tsim nyog, nws muab ib tug txias radiator.

Rau txoj kev xaiv uas siv cov lus yog diodes thiab diode choj.

Manufacturers diode choj

Ntawm cov ntsiab rau teeb pom kev zoo zaub rectifiers series 1N4007 thiab MS250 manufactured los ntawm Diotec. Lawv yog tsim rau voltages mus txog 1000 V. Nyob rau hauv thawj cov ntaub ntawv, lub diode choj Circuit Court muaj plaub diodes txheej txheem nyob rau hauv Circuit Court board, thiab nyob rau hauv lub thib ob nws yog hais raws li ib tug compact los ua ke. Txawm hais tias series 1N4007 txhim khu kev qha nyob rau hauv lub lag luam, los ua ke MS250 tej yam nyhav thiab hneev taw. Dua li no, ib tug series ntawm 1N4007 thov tshua siab, raws li tus nqi tau poob ntau npaum li ntawd uas yog tsuas yog txiav txim los ntawm tus nqi ntawm cov kev xaus ntawm tooj liab.

Raug technology ntawm cov MS series diode choj tseem. Tam sim no tag nrho cov 4 ntawm tus siv lead ua choj yog ntsia ua ke, uas yog tsub kom nws kub kuj vim lub uniformity tsis.

Kev ntseeg tau rectifier txo nrog ua ambient kub. Qhov teeb meem no yog solved los ntawm ib tug ntaus ntawv B250S2A series xam rau ib tug tam sim no ntawm 2.3 A thiab 0.7 A transmissive ntawm 125 ° C.

Feem ntau cov manufacturers yuav diodes, whereupon npaj rectifiers. Lub tuam txhab yog koom nyob rau hauv Diotec tag nrho lawm, los ntawm qhov siv thiab ua muaju kom dhos thiab pob.

Lwm ntiaj teb no ua lub tuam txhab - IRF - possesses cim technologies txo qhov luaj li cas ntawm qhov chaw, los txhim kho lub tshav kub hloov lwm lub tsev, ua lub efficiency ntawm semiconductor technology. Nws yog tus tsuas yog ib qho uas ua yam rau tag nrho cov zog hloov dua siab tshiab voj voog.

xaus

Lub Circuit Court ntawm lub diode choj rectifier yog siv nyob rau hauv tag nrho cov hluav taws xob khoom. Yuav tsum ua ntawv thov tag nrho-yoj rectifier, uas nws cov yam ntxwv yog zoo npaum li cas tshaj ib leeg-lub sij hawm. Kos ib yam ntawm lawv muaj peev xwm yuav nws tus kheej prozvoniv txhua diode.