Kuaj fais fab mov: qhov kev piav qhia, zoo thiab apparatus nedostaka

Niaj hnub nimno khoom siv fais fab yog muaj hwj huam pab kiag li lawm rau koj tus kheej lub computer. Laus units xws li ATX nyob twj ywm unclaimed, txawm lub fact tias lawv lub neej yog tsis tau tsim. Yog hais tias koj tsis yog cov ntaub ntaus ntawv no, ces nws yog tau tsim ib tug kuaj fais fab mov. Kev mloog yuav tsum tau them mus rau lub tam sim no txawj ntaus ntawv, thiab tau nws kev cai pib. Feem ntau cov feem ntau, xws li ib tug tivthaiv ua raws li ib tug nti-hom TL494, txij li thaum nws yog lub feem ntau yooj yim tov rau hloov dua siab tshiab.

Ua kuaj fais fab mov rau lawv tus kheej txhais tes

Yuav kom siv lub tswv yim npaj nyob rau hauv peb lub neej peb yuav tau txhua yam ntawm ntaus ntawv AT, ATX, uas yog raws li nyob rau hauv TL494 IC. Lub tswvyim ntawm tej fais fab mov yog qhia nyob rau hauv cov kev yees duab. Tus ntaus ntawv muab tau limiting tus load tam sim no parameter los ntawm kev siv ntxiv amplifier tau nti kev ua yuam kev uas tsis yog siv los ntawm manufacturers xam tau tias yog PC neeg. Lub amplifier muaj nyob rau hauv laboratory fais fab mov los ntawm inverting amplification Circuit Court voltage (tsis zoo tus nqi). Qhov no switching Circuit Court yog siv vim hais tias tag nrho cov connectivity ntaus ntawv nyob ntawm tej rau lub vaj tse, Ntxiv, cov kev siv tswv yim ntawm xws li ib tug ntaus ntawv qhia tau hais tias ruaj khov ua tau zoo thoob plaws hauv lub ntau yam ntawm tam sim no thiab voltage fais fab mov. Qhov thib peb kom zoo dua yog suav tias yog rhiab heev. Qhov no pub rau cov kev siv ntawm ib tug tam sim no sensor muaj tsawg kuj, li no zuj zus lawm tus nqi ntawm qhov teeb meem lub hwj chim, uas ua nyob rau hauv ib tug ua hauj lwm kuaj fais fab mov yog xyaum tsis rhuab.

O yuav tsum tau muab tshem tawm:

1. Thaiv tsim fais fab Zoo Pib ntsais koj teeb.

2. Rectifiers, ntxaij lim dej, tag nrho cov ntsiab ntawm cov zis circuits. tsuas yog tus tso zis Circuit Court 12 yuav tsum tau sab laug rau B.

3. Tso zis oxide capacitor yuav tsum tau hloov ntawm ib tug high voltage nrog ib tug voltage ntawm 25 V.

4. Cov throttle yuav tsum tau rewound. Thov rho tawm tag nrho cov windings no ces lub qhov txhab tshiab (thaiv hlau txoj kab uas hla ntawm 0.6-1 hli rau sau).

Lub hauv paus ntsiab lus ntawm cov lag luam ntawm tus dais

Nyob rau lub hauv paus ntawm lub comparator, yav tas los siv ua kom muaj tus "Fais fab" teeb liab yog tuaj txoos ua ke unit uas muab ib tug hais txog ntawm tus hom parameter txwv cov load tam sim no. Neinvertiruemy voltage txhab khoom mus rau comparator tawm tswv yim (tus nqi proportional rau lub tswv yim magnitude). Thaum lub inverting tswv yim - reference nqi. Raws li ntev raws li peb kuaj fais fab mov yog kev khiav hauj lwm nyob rau hauv stabilizing lub voltage ntawm lub tswv yim neinvertiruemom siab tshaj nyob rau inverting. Thaum tso zis hauv lub comparator assumes ib siab teeb liab theem, li ntawd, qhov taw qhia extinguished. Thaum tus ntaus ntawv nyob rau hauv lub stabilization vim tam sim no cov kev txwv rau lub peev xwm sib txawv txo lub tswv yim thiab lub tso zis tsawg theem yog tsim los pab. LED teeb, nws txhais tau tias apparatus yog tawm ntawm cov stabilization hom.

Semiconductor chips yog powered los ntawm lub standby hwj chim uas yog tau koom ua ke rau lub transistor hloov tus nqi ntawm cov zis voltage tsis cuam tshuam rau lub lag luam ntawm ICS.

Kuaj fais fab mov los ntawm ATX: strengths and weaknesses

Qhov zoo ntawm cov xws li muaj xws li lawv cov uas tsis muaj nqi, raws li yav tas los siv blocks yuav tsum pom qhov txhia chaw. Lawv muaj tag nrho cov tsim nyog yam, Hmoob cov uas yog tus mem tes transformer. Tsis tas li ntawd, lub hwj huam mov unit muaj ib tug txawv hnyav thiab loj yam ntxwv. Qhov tsis zoo yog ib tug loj ntau ntawm cov high zaus suab nrov, uas txwv kev siv.