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 matla a motlakase.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