Canja tsayayyen ƙarfin lantarki da buƙatun yoyo
Lokacin da shigarwar da fitowar wutar lantarki na sauya wutar lantarki ya wuce 36V AC da 42V DC, ana buƙatar la’akari da matsalar girgizar lantarki. Ka’idojin aminci: yawo tsakanin kowane sassa masu saukin sauƙaƙe ko kowane ɓangaren da ake samun dama da gungumen wutar lantarki ba zai wuce 0.7map ko DC 2mA ba.
Lokacin da ƙarfin shigarwa shine 220V na canza wutar lantarki, nisan rarrafe tsakanin sanyi da ƙasa mai zafi ba zai zama ƙasa da 6mm ba, kuma tazara tsakanin layukan tashar jiragen ruwa a ƙarshen duka dole ne ya fi 3mm.
Matsakaicin ƙarfin juriya tsakanin matakan farko na mai juyawa mai canzawa zai zama 3000V AC, kuma ragin fitarwar zai kasance 10mA. Dole ne zubar ruwan ya zama ƙasa da 10mA bayan gwajin minti ɗaya
Ƙarshen shigarwar sauya wutan lantarki zai yi tsayayya da ƙarfin lantarki zuwa ƙasa (harsashi) tare da AC 1500V, saita fitarwar ruwa a yanzu kamar 10mA, kuma gudanar da gwajin gwajin ƙarfin lantarki na minti 1, kuma fitarwar dole ta kasance ƙasa da 10mA.
Ana amfani da DC 500V don tsayayyen ƙarfin lantarki na ƙarshen fitowar ƙarshen sauya wutar lantarki zuwa ƙasa (harsashi), kuma an saita fitar da ruwan a matsayin 10mA. Gudanar da gwajin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ku na mintina 1, kuma halin da ake ciki ya kamata ya zama ƙasa da 10mA.
Buƙatun don nisan tafiya mai nisa na canji
Nisan aminci tsakanin gefen da gefen sakandare na layin biyu: 6mm, da 1mm, ramin ya kamata ya zama 4.5mm.
Nisan aminci tsakanin gefe da gefen sakandare a layi na uku: 6mm, da 1mm, ramin ya kamata ya zama 4.5mm.
Tsawon aminci tsakanin murfin tagulla biyu na fuse> 2.5mm. Ƙara 1mm, kuma ramin zai zama 1.5mm.
Tazara tsakanin LN, l-gnd da n-gnd ya fi 3.5mm.
Tazarar filayen capacitor fil fil> 4mm.
Nisan aminci tsakanin matakan farko> 6mm.
Sauya wutar lantarki buƙatun wayoyin PCB
Tsakanin murfin jan ƙarfe da murfin jan ƙarfe: 0.5mm
Tsakanin takardar jan karfe da haɗin gwiwa: 0.75mm
Tsakanin gidajen abinci: 1.0mm
Tsakanin takardar jan karfe da gefen farantin: 0.25mm
Tsakanin gefen rami da gefen rami: 1.0mm
Tsakanin gefen rami da gefen farantin: 1.0mm
Faɗin layin farantin jan ƙarfe> 0.3mm.
Juya kwana 45 °
Ana buƙatar tazara madaidaiciya don yin waya tsakanin layin layi daya.
Bukatun aminci don sauya wutan lantarki
Nemo fis ɗin da ƙa’idodin aminci ke buƙata daga ɓangarorin ƙa’idodin aminci, kuma tazarar rarrabuwar tsakanin matatun biyu shine> 3.0mm (min). A cikin yanayin gajeren zango, masu ƙarfin X da Y za su kasance cikin ƙa’idar aminci. Yana la’akari da tsayayya da ƙarfin lantarki da haɓakar yuwuwar halin yanzu. A cikin yanayin ƙasa mai ƙanƙantawa, fitarwar kayan aiki zai kasance ƙasa da 0.7ma, na kayan aikin da ke aiki a cikin yanayin yanayi zai zama ƙasa da 0.35ma, kuma babban ƙarfin y ba zai fi 4700pf ba. Za a ƙara juriya na fitarwa zuwa x capacitor tare da ƙarfin> 0.1uF. Bayan an kashe kayan aiki na al’ada, ƙarfin lantarki tsakanin matosai ba zai fi 42V a cikin 1s ba.
Sauya bukatun kariyar wutar lantarki
Lokacin da jimlar ikon fitarwa na sauya wutar lantarki ya fi 15W, za a gudanar da gwajin ɗan gajeren zango.
Lokacin da tashar fitarwa ta takaice, ba za a sami matsanancin zafi ko wuta a da’irar ba, ko lokacin konewa zai kasance tsakanin 3.
Lokacin da tazara tsakanin layin da ke kusa bai wuce 0.2mm ba, ana iya ɗauka azaman ɗan gajeren zango.
Za a gudanar da gwajin ɗan gajeren zango don mai ƙarfin lantarki. A wannan lokacin, saboda capacitor na lantarki yana da sauƙin kasawa, za a mai da hankali ga na’urori yayin gwajin ɗan gajeren zango don hana wuta.
Ba za a iya amfani da ƙarfe biyu masu abubuwa daban -daban azaman masu haɗawa ba saboda za su samar da lalatawar lantarki.
Yankin tuntuɓar tsakanin haɗin solder da fil ɗin ɓangaren zai zama mafi girma fiye da sashin giciye. In ba haka ba, ana ɗauke shi azaman walda mara kyau.
Na’urar da ke shafar sauyawa wutar lantarki – capacitor electrolytic
Electrolytic capacitor shine na’urar da ba ta da haɗari a sauya wutar lantarki kuma tana da tasiri a kan matsakaicin lokacin tsakanin gazawa (MBTF) na sauya wutar lantarki.
Bayan an yi amfani da ƙarfin lantarki na ɗan lokaci, ƙarfin ƙarfin zai ragu kuma ƙarfin ripple ɗin zai ƙaru, don haka yana da sauƙin zafi da kasawa.
Lokacin da babban ƙarfin wutar lantarki ya kasa samar da zafi, zai haifar da fashewa. Sabili da haka, capacitor electrolytic tare da diamita fiye da 10mm zai sami aikin tabbatar da fashewa. Don mai ƙarfin lantarki tare da aikin tabbatar da fashewa, ana buɗe ramin giciye a saman harsashin capacitor, kuma ana barin rami mai ƙonewa a ƙasan fil.
Rayuwar sabis na capacitor galibi ana ƙaddara shi da zafin zafin ciki na capacitor, kuma hauhawar zafin capacitor yana da alaƙa da ripple na yanzu da ƙarfin wutar lantarki. Sabili da haka, ƙwanƙwasa halin yanzu da ƙwanƙwasa ƙarfin wutar lantarki da aka bayar ta masu ƙarfin lantarki na lantarki sune ƙimar dabi’un yanzu a ƙarƙashin yanayin takamaiman zafin aiki (85 ℃ ko 105 ℃) da takamaiman rayuwar sabis (awanni 2000), Wato, a ƙarƙashin yanayin ripple halin yanzu da ripple ƙarfin lantarki, rayuwar sabis na electrolytic capacitor ne kawai 2000 hours. Lokacin da ake buƙatar rayuwar sabis na capacitor ya zama sama da awanni 2000, za a tsara rayuwar sabis na capacitor bisa ga dabara mai zuwa.