Isi ọrụ nke optocoupler na sekit ọkọnọ ike bụ ịghọta ihe dịpụrụ adịpụ mgbe ntụgharị fotoelectric ma zere nnyonye anya otu.Ọrụ nke disconnector bụ nke a ma ama na sekit.
Mgbama na-aga n'otu ụzọ.Ntinye na mmepụta bụ ihe dịpụrụ adịpụ kpamkpam na ọkụ eletrik.Mgbama mmepụta enweghị mmetụta na ntinye.Ike mgbochi nnyonye anya siri ike, arụ ọrụ kwụsiri ike, enweghị kọntaktị, ogologo ndụ ọrụ yana arụmọrụ dị elu.Optocoupler bụ ngwaọrụ ọhụrụ emepụtara na 1970s.Ka ọ dị ugbu a, a na-eji ya n'ọtụtụ ebe na mkpuchi eletriki, ntụgharị ọkwa ọkwa, njikọta etiti, sekit ịnya ụgbọ ala, sekit ịgbanwee, chopper, multivibrator, ikewapụ akara, ikewapụ interstage, sekit amplification pulse, ngwa dijitalụ, nnyefe mgbama ogologo ogologo, pulse amplifier, siri ike. -state Device, State Relay (SSR), ngwá ọrụ, nkwurịta okwu akụrụngwa na microcomputer interface.N'ime ọkụ ọkụ monolithic na-agbanwe agbanwe, a na-eji linear optocoupler na-emepụta sekit nzaghachi optocoupler, a na-agbanwekwa okirikiri ọrụ site n'ịgbanwe njikwa ọnụ ugbu a iji nweta ebumnuche nke ụkpụrụ voltaji ziri ezi.
Isi ọrụ nke optocoupler na ịgbanye ọkụ ọkụ bụ ikewapụ, nye mgbama nzaghachi na mgbanwe.A na-enye ọkụ eletrik nke optocoupler na mgbanaka ọkụ eletrik na-enye site na voltaji nke abụọ nke ihe ngbanwe dị elu.Mgbe voltaji mmepụta dị ala karịa voltaji zener, gbanye mgbaama optocoupler ma mee ka okirikiri ọrụ dịkwuo elu iji mee ka voltaji mmepụta pụta.N'ụzọ megidere nke ahụ, ịgbanyụ optocoupler ga-ebelata ọrụ ọrụ ma belata voltaji mmepụta.Mgbe ibu nke abụọ nke ihe ngbanwe dị elu na-ebufe ibu ma ọ bụ ihe ntụgharị ọkụ na-ada ada, ọ dịghị optocoupler ike ọkọnọ, na optocoupler na-achịkwa sekit mgba ọkụ ka ọ ghara ịma jijiji, iji chebe tube ọkụ ọkụ.A na-ejikarị Optocoupler na TL431.A na-atụnye ihe mgbochi abụọ ahụ n'usoro gaa na ọdụ 431r maka ntụnyere na comparator nke ime.Mgbe ahụ, dị ka mgbaàmà ntụnyere ahụ, a na-achịkwa nkwụsị ala nke njedebe 431k (njedebe ebe anode na-ejikọta na optocoupler), mgbe ahụ, a na-achịkwa nchapụta nke diode na-egbuke egbuke na optocoupler.(enwere diodes na-enwu ọkụ n'otu akụkụ nke optocoupler na phototransistors n'akụkụ nke ọzọ) ike nke ìhè na-agafe.Jikwaa nguzogide na njedebe CE nke transistor n'akụkụ nke ọzọ, gbanwee mgbawa ike draịva ike LED, wee gbanwee okirikiri ọrụ nke mgbaàmà mmepụta iji nweta ebumnuche nke nkwụsi ike voltaji.
Mgbe ọnọdụ okpomọkụ na-agbanwe nke ọma, ntụgharị okpomọkụ nke ihe nrịbawanye dị ukwuu, nke na-ekwesịghị imezu site na optocoupler.Optocoupler sekit bụ akụkụ dị oke mkpa nke ịgbanye sekit ọkọnọ ike.
Oge nzipu: Mee-03-2022