Mosebetsi oa optocoupler relay phepelong ea motlakase

Mosebetsi o ka sehloohong oa optocoupler potolohong ea phepelo ea motlakase ke ho lemoha ho itšehla thajana ha ho fetoha ha photoelectric le ho qoba ho kena-kenana.Mosebetsi oa disconnector o hlahella ka ho khetheha potolohong.

Letšoao le tsamaea ka tsela e le 'ngoe.Lintho tse kenang le tse tsoang li arotsoe ka botlalo ka motlakase.Letšoao la tlhahiso ha le na phello ho kenyeletso.Bokhoni bo matla ba ho thibela ho kena-kenana, ts'ebetso e tsitsitseng, ho se kopane, bophelo bo bolelele ba tšebeletso le ts'ebetso e phahameng ea phetisetso.Optocoupler ke sesebelisoa se secha se ntlafalitsoeng ka bo-1970.Hajoale, e sebelisoa haholo ho insulationing ea motlakase, phetoho ea boemo, ho kopanya li-interstage, potoloho ea ho khanna, switching circuit, chopper, multivibrator, ho itšehla thajana, ho itšehla thajana, ho itšehla thajana, ho phahamisa matla a potoloho, sesebelisoa sa dijithale, phetiso ea mats'oao a hole, pulse amplifier, solid. -sesebediswa sa mmuso, boemo ba mmuso (SSR), sesebelisoa, lisebelisoa tsa puisano le sebopeho sa microcomputer.Monolithic switching power supply, linear optocoupler e sebelisoa ho theha potoloho ea maikutlo a optocoupler, 'me potoloho ea mosebetsi e fetoloa ka ho fetola motlakase oa motlakase ho finyella sepheo sa taolo e nepahetseng ea motlakase.

Mosebetsi o ka sehloohong oa optocoupler ka ho fetola phepelo ea matla ke ho itšehla thajana, ho fana ka pontšo ea maikutlo le ho fetola.Matla a matla a optocoupler ka potoloho ea phepelo ea motlakase e fanoa ke motlakase oa bobeli oa motlakase o phahameng oa maqhubu.Ha motlakase o hlahisoang o le tlase ho feta voltage ea zener, bulela optocoupler ea lets'oao 'me u eketse potoloho ea mosebetsi ho eketsa motlakase oa tlhahiso.Ho fapana le hoo, ho tima optocoupler ho tla fokotsa potoloho ea mosebetsi le ho fokotsa motlakase oa tlhahiso.Ha mojaro oa bobeli oa mochine o phahameng oa maqhubu o imetsoe haholo kapa potoloho ea phetoho e hlōleha, ha ho na matla a optocoupler, 'me optocoupler e laola potoloho ea phetoho hore e se ke ea sisinyeha, e le ho sireletsa tube ea switjha hore e se ke ea chesoa.Hangata Optocoupler e sebelisoa le TL431.Lihanyetsi tse peli li entsoe ka letoto la li-terminal tsa 431r ha li bapisoa le papiso ea kahare.Joale, ho ea ka pontšo ea papiso, khanyetso ea fatše ea 431k qetellong (qetellong moo anode e kopantsoeng le optocoupler) e laoloa, ebe joale khanya ea khanya e hlahisang leseli ho optocoupler e laoloa.(ho na le li-diode tse hlahisang leseli ka lehlakoreng le leng la optocoupler le phototransistors ka lehlakoreng le leng) matla a khanya a fetang.Laola khanyetso qetellong ea CE ea transistor ka lehlakoreng le leng, fetola chip ea motlakase oa LED, 'me u fetole ka bo eona potoloho ea mosebetsi oa lets'oao la tlhahiso ho fihlela sepheo sa ho tsitsisa ha motlakase.

Ha mocheso oa tikoloho o fetoha haholo, mocheso oa mocheso oa amplification factor o moholo, o sa lokelang ho elelloa ke optocoupler.Potoloho ea Optocoupler ke karolo ea bohlokoa haholo ea ho fetola potoloho ea phepelo ea motlakase.

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Nako ea poso: May-03-2022