Fais fab lim: hom, hom phiaj

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Fais fab lim: hom, hom phiaj
Fais fab lim: hom, hom phiaj

Video: Fais fab lim: hom, hom phiaj

Video: Fais fab lim: hom, hom phiaj
Video: FOOM XAIS YOB II HMONG DUBBED JET LI MOVIE 2024, Kaum ib hlis
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Lim (rectifiers) ntawm hom hluav taws xob yog siv nyob rau hauv ntau yam khoom siv kom ruaj khov rau cov khoom siv hluav taws xob. Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov khoom siv yog ua raws li kev ua haujlwm qis dua.

qauv qauv suav nrog cov tswj hwm, resistors thiab tetrodes. Kev sib txuas ntawm kev hloov kho yog ua los ntawm kev sib cuag adapters. Qhov tseem ceeb ntawm kev hloov kho muaj xws li txwv tsis pub dhau, kev khiav hauj lwm voltage thiab tso zis tsis kam.

lc lim
lc lim

Device types

Hnub no, muaj ntau hom lim hluav taws xob. Ua ntej ntawm tag nrho cov, lawv muab faib los ntawm kev khiav hauj lwm zaus. Cov khoom siv tsawg zaus yog tsim nrog ob peb lub resistors thiab muaj cov conductivity tsawg. Cov maub los feem ntau yog siv cov yoj hom thiab tau nruab nrog cov capacitors. Kev hloov kho ntau zaus yog ua nrog cov khoom sib sau ua ke.

Qhov ntsuas hluav taws xob rau cov qauv ntawm hom no yog qhov nruab nrab ntawm 200 V. Los ntawm kev tsim, cov ntxaij lim dej yog ceramic, piezoelectric thiab bandpass. Tsis tas li ntawd, muaj cov kev hloov kho me me. Los ntawm kev ruaj ntseg, cov khoom siv nquag thiab tiv thaiv kev sib tw yog qhov txawv.

hluav taws xob network lim
hluav taws xob network lim

Kev ua qauv

Cov lim hluav taws xob qis qis, feem ntau yog siv hauv AC networks. Rau cov khoom siv fais fab, nws tsis haum. High-frequency lim yog ntsia rau ntawm conveyors thiab tshuab cuab yeej. Lawv tuaj yeem siv rau hauv lub network nrog kev hloov pauv tam sim no.

Ceramic thiab band pab kiag li lawm yog tsau rau toggle keyboards. Lawv kuj tuaj yeem pom nyob rau hauv qhov cua tshuab. Nws tseem yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov khoom siv nquag siv rau cov chaw nres tsheb. Lub tshuab hluav taws xob lub suab nrov yog siv rau hauv kev tsav tsheb.

qauv qis zaus

Lim-pass hom lim tau tsis ntev los no feem ntau ntsia ntawm cov khoom siv conveyor. Kev sib txuas ncaj qha ntawm kev hloov kho yog ua los ntawm lub adapter. Cov transistors rau cov qauv yog teem rau 120 thiab 200 V. Qhov ncaj qha kev khiav hauj lwm zaus ntawm cov lim fluctuates nyob ib ncig ntawm 20 Hz. Cov qauv tsis haum rau kev tsav tsheb.

Nws tseem ceeb heev uas yuav tsum nco ntsoov tias ntau hom capacitors tau siv hauv cov khoom siv. Qhov nruab nrab, lawv qhov siab tshaj plaws capacitance yog 5 pF. Yog tias koj ntseeg qhov kev tshuaj xyuas ntawm cov kws tshaj lij, ces tus qauv tsis haum rau kev hloov pauv. Lub conductivity Performance index ntawm tsawg zaus hloov pauv tsis yog siab heev. Lawv yog tsim nyob rau hauv ib tug steel rooj. Kev hloov kho nrog ob tus pin tso zis yog tsawg heev.

Kev siv cov khoom siv ntau zaus

High-pass hluav taws xob lim yog qhov zoo rau kev hloov pauv. Cov tswj hauv cov khoom siv yog hom yoj. Ncaj nraim qhov zaus ntawm cov ntxaij lim dej ntawm hom no ncav cuagsiab tshaj 55 Hz. Cov qauv tsis zoo rau cov cua tshuab. Nws yog txwv tsis pub txhim kho cov ntxaij lim dej hauv qhov hloov pauv tam sim no. Cov khoom siv nrog 3 pF capacitor yog qhov tsawg heev. Cov zis connectors feem ntau yog siv peb-pin hom.

Triggers pom tsuas yog hauv hom kev faib khoom. Kev sib txuas ntawm cov qauv rau cov tsav tsheb yog ua los ntawm kev sib piv. Qhov tso zis hluav taws xob ntawm cov lim dej yog nyob nruab nrab ntawm 230 V. Qhov taw qhia rhiab heev nyob rau hauv cov ntaub ntawv no nyob ntawm cov resistors. Kev sib txuas rau cov tsav tsheb conveyors yog los ntawm varistor. Cov ntsiab lus teev feem ntau yog siv nrog ntau lub adapters. Txhawm rau kom qhov hluav taws xob nce siab, lub lim dej siab dhau muaj qhov ruaj khov.

rectifier
rectifier

Piezoelectric hloov kho

Piezoelectric hom hluav taws xob lim tsuas yog siv tau hauv AC mains. Cov tshuaj tiv thaiv hauv cov khoom siv yog siv dav hom. Varicaps feem ntau teem nrog 3 pF capacitor. Dampers yuav tsum tau txuas cov lim kom toggle keyboards. Cov khoom siv no feem ntau tau nruab nrog cov khoom siv hluav taws xob tsawg.

Kev ua haujlwm tsis kam ntawm cov lim dej ntawm cov koob no yog 20 ohms. Qhov zaus ntawm cov qauv hauv qhov no yog nyob ntawm tus capacitors. Cov qauv tsis zoo rau cov cua tshuab. Cov kev sib piv hauv cov khoom siv yog ntawm hom expansion. Mesh adapters rau cov qauv yog tsawg heev. Nws tseem ceeb heev uas yuav tsum nco ntsoov tias cov ntxaij lim dej ntawm hom nthuav tawm yog tsim rau kev sib cuag toggle keyboards.

suab nrov suppression lim
suab nrov suppression lim

Strip devices

Kev hloov pauv Band yog siv rau cov cim. Cov khoom siv ntawm hom no muaj qhov zoo conductivity. Cov qauv nrog stabilizers yog qhov tsawg heev. Cov resistors ncaj qha yog siv ntawm 5 pF. Varicaps rau cov qauv yog ntsia hlau nplaum hom. Devices tsis haum rau kev sib cuag toggle keyboards nyob rau hauv txoj kev zoo tshaj plaws. Nws tseem ceeb heev uas yuav tsum nco ntsoov tias cov qauv no muaj kev nkag siab zoo rau kev hloov pauv ntawm kev hloov pauv.

Variable tetrodes yog siv los daws cov teeb meem nrog rau theem kev ua si. Lawv txuas nrog cov ntxaij lim dej los ntawm cov hauv ob sab phlu. Insulators yog siv los tiv thaiv cov resistors. Ntau tus qauv muaj peb tus pin hom maub los. Cov cuab yeej siv tsis haum rau cov chaw tso dej. Nyob rau hauv cov ntaub ntawv no, qhov teeb meem nyob rau hauv lub ceev overheating ntawm lub capacitors.

Piezoceramic devices

Piezoceramic hloov kho yog siv rau kev sib cuag toggle keyboards. Tsis tas li, cov qauv ntawm hom no tau teeb tsa hauv cov khoom siv conveyor. Cov qauv nrog cov khoom xaiv tsis tshua muaj nyob hauv khw. Kev sib piv rau kev hloov kho yog tsim nrog triodes. Cov khoom no muaj ib tug muab conductivity. Qhov taw qhia qhov hluav taws xob hauv lub network, raws li txoj cai, tsis pub dhau 200 V. Lub lim zaus nyob ntawm lub capacitors.

Cov neeg tsis lees paub

Cov lim lim (rectifier) tsuas yog tsim nyog rau kev tsav tsheb. Triodes rau cov qauv yog ntsia nrog lub stabilizer. Transistors feem ntau siv tsis muaj hauv ob sab phlu. Yog li, lawv cov conductivity parameter yog tsawg heev. Capacitors siv ncaj qha ntawm 4 pF.

Nws tseem ceeb heev uas yuav tsum nco ntsoov tias kev hloov kho ntawm hom qhia tsis haum rau kev sib cuag toggle keyboards. Dinistors feem ntau yog ntsia ntawm hom analog, thiab lawv qhov rhiab heev yog 12 mV. Txawm li cas los xij, hauv qhov no, cov yam ntxwv ntawm cov kev hloov kho tshwj xeeb yuav tsum raug coj mus rau hauv tus account.

Active Models

Ib lub lim dej ua haujlwm (rectifier) yog xav tau los tswj qhov voltage ntawm cov zis contactors. Cov ntsiab lus ntawm hom kev teev cia hauv qhov cua tshuab tau teev tseg. Tsis tas li ntawd, cov ntxaij lim dej tuaj yeem pom nyob rau hauv tsav mechanisms ntawm ntau lub peev xwm. Transistors nyob rau hauv cov khoom siv, raws li txoj cai, yog siv los ntawm ib hom kab, thiab lawv cov peev xwm yog qhov nruab nrab 4 pF.

Cov lim tsis tshua siv. Kev sib txuas rau qhov cua tshuab yog ua los ntawm triodes. Kev hloov kho nrog binary converters yog qhov tsawg heev. Nws tseem yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias muaj cov ntxaij lim dej nquag ntawm kev ua lag luam uas muaj qhov pib ua haujlwm siab. Lawv zoo heev rau cov chaw nres tsheb.

pilot lim
pilot lim

Anti-jamming modifications

Ib qho kev cuam tshuam cuam tshuam cov lim dej feem ntau siv hauv kev sib cuag toggle keyboards. Nws kuj tseem haum rau cov khoom siv conveyor ntawm ntau lub peev xwm. Qhov nruab nrab, qhov zaus ntawm cov lim dej ntawm hom teev yog 35 Hz. Kev hloov kho nrog nthwv dej converters muaj ntau heev. Nws tseem ceeb heev uas yuav tsum nco ntsoov tias cov khoom siv txuas nrog ntawm tetrodes. Capacitors rau kev hloov kho tsuas yog teev rau 4 pF.

Cov conductivity ntawm cov khoom no yog nyob rau nruab nrab 2 microns. Channel tetrodes ntsibtsawg tsawg. Lub suab nrov suppression lim yog txuas nrog lub toggle keyboards los ntawm adapters. Stabilizers raug ntsia kom txo qhov voltage. Ntau cov ntxaij lim dej ntawm cov koob no muaj qhov hloov tau tus contactor. Cov qauv tsis haum rau cov chaw nres tsheb vim tsis tshua muaj siab rau lub suab nrov.

high pass lim
high pass lim

Pilot series cov khoom siv

Lub Pilot lim yog siv rau cov khoom siv conveyor. Cov kev hloov kho muaj xws li teb-tshuaj transistors, nrog rau ib tug linear maub los. Nws txuas nrog lub thaiv los ntawm ib qho channel adapter. Yog tias koj ntseeg tias cov kev tshuaj xyuas ntawm cov kws tshaj lij, ces cov ntxaij lim dej ntawm cov koob no tsis haum rau kev sib cuag toggle keyboards. Cov txiaj ntsig tau teeb tsa ncaj qha rau hom nquag. Lawv rhiab heev yog tsis ntau tshaj 5 mV. Nws tseem yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov varistors siv tsis muaj hauv ob sab phlu. Hauv qhov no, analog converters tsis haum rau kev sib txuas.

Txoj kev hloov kho LC

LC-filter tau teeb tsa rau ntawm qhov hloov pauv tsuas yog hu rau hom. Cov ntsiab lus tsis haum rau kev hloov kho tsav. Tus maub los nyob rau hauv rooj plaub no yog hom active. Lub conductivity parameter ntawm tus contactor sib haum mus rau 12 microns. Yog tias koj ntseeg qhov kev tshuaj xyuas ntawm cov kws tshaj lij, tom qab ntawd cov kab hluav taws xob capacitor hauv cov cuab yeej muaj qhov zoo conductivity. Cov hom lim dej tau teev tseg yog 230 V.

LC lim tsis haum rau kev sib txuas rau lub tshuab ua pa. Lub tshav kub poob ntawm lub caij no yog heev. Nws tseem yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias tus qauv tsis zoo nrog lub suab nrov impulse. Lub insulator nyob rau hauv cov ntaub ntawv no tsuas yog nyob tom qabstabilizer. Lub overload Performance index ntawm cov lim ntawm cov khoom nthuav tawm yog 30 A. Nws yog txwv tsis pub txuas cov kev hloov kho los ntawm varicap. Lub lim tsis haum rau lub tshuab cua.

hluav taws xob lim
hluav taws xob lim

LK ntaus assignment

Cov lim uas nthuav tawm yog hluav taws xob, lub network tuaj yeem siv rau ntau qhov chaw nres tsheb. Cov kev hloov kho uas tau nthuav tawm yog qhov txawv ntawm cov conductivity siab. Lub transistor nyob rau hauv cov qauv muaj ib hom channel. Kev khiav hauj lwm rhiab heev ntawm lub ntsiab yog 4 mV. Rau kev sib cuag toggle keyboards, lub cuab yeej tsis tsim tshwj xeeb. Lub tshav kub poob ntawm lub lim ntawm cov koob no yog tsawg. Tus xaiv siv hom kev ua haujlwm.

Kev hloov kho tsis muaj qhov sib piv. Yog tias koj ntseeg qhov kev tshuaj xyuas ntawm cov kws tshaj lij, ces lub capacitor overheats sai heev. Lub zener diode ntawm kev hloov kho yog siv rau hauv hom qhib. Txhawm rau txuas tus qauv mus rau qhov chaw nres tsheb, yuav tsum muaj lub converter nrog lub adapter. Lub pentode yog hom discrete. Adapters feem ntau yog siv los nce qhov zaus.

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