Aiki na optocoupler relay a cikin samar da wutar lantarki

Babban aikin optocoupler a cikin da'irar samar da wutar lantarki shine gane keɓewa yayin da canjin hoto da kuma guje wa tsangwama.Ayyukan disconnector ya shahara musamman a cikin kewaye.

Alamar tana tafiya ta hanya ɗaya.Shigarwa da fitarwa gaba ɗaya sun keɓe ta hanyar lantarki.Siginar fitarwa ba ta da tasiri akan shigarwar.Ƙarfin ƙarfin hana tsangwama, aiki mai ƙarfi, babu lamba, tsawon rayuwar sabis da ingantaccen watsawa.Optocoupler sabuwar na'ura ce da aka haɓaka a cikin 1970s.A halin yanzu, ana amfani da shi sosai a cikin rufin lantarki, jujjuya matakin, haɗin kai, haɗaɗɗun tuki, kewayawa da'ira, chopper, multivibrator, keɓewar siginar, keɓewar tsaka-tsaki, da'irar haɓaka bugun jini, kayan aikin dijital, watsa siginar nesa mai nisa, amplifier bugun jini, m. -Na'urar jihar, Relay State (SSR), kayan aiki, kayan sadarwa da na'ura mai kwakwalwa.A cikin samar da wutar lantarki na monolithic, ana amfani da optocoupler na linzamin kwamfuta don samar da da'irar ra'ayi na optocoupler, kuma ana canza zagayowar aikin ta hanyar daidaita tashar tashar sarrafawa don cimma manufar ingantaccen tsarin wutar lantarki.

Babban aikin optocoupler a sauya wutar lantarki shine ware, samar da siginar amsawa da sauyawa.Ana samar da wutar lantarki na optocoupler a cikin wutar lantarki mai sauyawa ta hanyar lantarki na biyu na babban mai canzawa.Lokacin da ƙarfin fitarwa ya yi ƙasa da ƙarfin lantarki na zener, kunna siginar optocoupler kuma ƙara zagayowar aiki don ƙara ƙarfin fitarwa.Akasin haka, kashe optocoupler zai rage zagayowar aiki kuma ya rage ƙarfin fitarwa.Lokacin da lodin na biyu na na’ura mai ƙarfi ya yi yawa ko kuma na’urar juyawa ta gaza, babu wutar lantarki ta optocoupler, kuma na’urar na’urar na’urar tana sarrafa na’urar sauya sheka ba ta girgiza ba, ta yadda za a kare bututun sauyawa daga konewa.Ana amfani da Optocoupler yawanci tare da TL431.Ana ƙididdige masu tsayayya biyu a jeri zuwa tashar 431r don kwatantawa tare da kwatancen ciki.Sa'an nan kuma, bisa ga siginar kwatanta, juriya na ƙasa na ƙarshen 431k (ƙarshen inda aka haɗa anode tare da optocoupler) ana sarrafa shi, sa'an nan kuma ana sarrafa haske na diode mai haske a cikin optocoupler.(akwai diodes masu haskaka haske a gefe ɗaya na optocoupler da phototransistor a wancan gefen) ƙarfin hasken da ke wucewa.Sarrafa juriya a ƙarshen CE na transistor a ɗayan ƙarshen, canza guntuwar wutar lantarki ta LED, kuma daidaita yanayin aikin siginar fitarwa ta atomatik don cimma manufar daidaitawar wutar lantarki.

Lokacin da yanayin yanayin yanayi ya canza sosai, yanayin zafin yanayin ƙarawa yana da girma, wanda bai kamata a gane ta optocoupler ba.Da'irar Optocoupler wani muhimmin bangare ne na sauya da'irar samar da wutar lantarki.