Ama-adaptha e-AC DC anezinzuzo eziningi, ngakho asetshenziswa kabanzi.Kunabantu abaningi abadida indima yama-adaptha e-AC DC namabhethri.Eqinisweni, kokubili kuhluke ngokuyisisekelo.Ibhethri lisetshenziselwa ukugcina amandla, futhi ama-adaptha e-AC DC ayisistimu yokuguqula eguqula amandla amanje kanye ne-voltage engafanele idivayisi ibe eyamanje kanye ne-voltage efanele idivayisi ebhethrini.
Uma zingekho ama-adaptha e-AC DC, uma amandla kagesi engaqinile, amakhompyutha ethu, izincwadi zokubhalela, ama-TV, njll. azocekelwa phansi.Ngakho-ke, ukuba nama-adaptha e-AC DC kuyisivikelo esihle semishini yethu yasendlini, futhi kuthuthukisa nokusebenza kokuphepha kwempahla.Ngaphezu kokuthuthukisa ukusebenza kokuphepha kwezinto zikagesi, ukuvikela imizimba yethu.Uma izinto zethu ezisebenza ngogesi zingenawo ama-adaptha kagesi, uma umsinga usumkhulu kakhulu futhi uphazamiseke kungazelelwe, kungase kubangele ukuqhuma kukagesi, izinhlansi, njll., okuholela ekuqhumeni.Noma umlilo, okuwusongo olukhulu empilweni nasempilweni yethu.Kungashiwo ukuthi ukuba nama-adaptha e-AC DC kulingana nokufaka umshwalense ezinsizeni zethu zasendlini.Ungalokothi ukhathazeke ngalezo zingozi futhi.
Yini i-adaptha ye-ac dc?
Ama-adaptha e-AC DC, aziwa nangokuthi ukunikezwa kwamandla kwangaphandle/Ishaja ye-DC/Ishaja ye-AC DC/ Ukunikezwa kwe-DC, ngokuvamile asetshenziswa njengemishini yokuguqula amandla kagesi kumishini emincane ye-elekthronikhi ephathekayo kanye nemishini kagesi.Ivamise ukusetshenziswa emikhiqizweni emincane ye-elekthronikhi efana nomakhalekhukhwini, ama-monitor e-LCD namalaptop njll. Umsebenzi wama-adaptha e-AC DC ukuguqula amandla kagesi aphezulu angama-220 volts asuka endlini abe amandla kagesi aphansi azinzile angaba ngu-5 volts kuya ku-20 volts. le mikhiqizo kagesi ingasebenza ukuze isebenze kahle.
Ukusetshenziswa kwama-adaptha ac dc
Uma siqala ukubona indima yama-adaptha e-ac dc, ngikholwa ukuthi abantu abaningi bazoba nombuzoi-adaptha ye-ac dc isetshenziselwa ini?
Ama-adaptha e-ac kuya ku-dc angasetshenziswa ezimbonini eziningi, njengalezi: ukulawula okuzenzakalelayo kwezimboni, okokusebenza kocwaningo lwesayensi, okokusebenza kokulawula ezimbonini, okokuxhumana, okokusebenza kwamandla, isiqandisi se-semiconductor kanye nokufudumeza, izihlanzi zomoya, iziqandisi zikagesi, izinto zokuxhumana, imikhiqizo elalelwayo nebukwayo. , Ezindaweni zamakesi wekhompyutha, imikhiqizo yedijithali, njll., amadivayisi adinga ukunikezwa kwamandla okwamanje awahlukaniseki ku-adaptha yamandla.
Ingabe wonke ama-adaptha e-AC-DC ayafana?
Eqinisweni, i-adaptha ngayinye ye-AC DC inokuhluka okubili ngokubukeka.Enye i-adaptha yodonga nama-adaptha edeskithophu.Lena indlela eshesha kakhulu abantu abajwayelekile yokuhlukanisa ama-adaptha e-AC DC.
Kodwa-ke, amapharamitha ama-adaptha e-AC DC asetshenziswa kumadivayisi ahlukene ahluke kakhulu, ngakho-ke kulo mhlahlandlela, sizoklelisa ezinye izimboni ezisebenzisa ama-adaptha kaningi kanye nemingcele ethile ezosetshenziswa idivayisi.
Imboni yezokuxhumana
Ukuthembeka okuphezulu, izinga lokushisa eliphezulu, ukuvikelwa kombani, nokuguquguquka okukhulu kwamandla kagesi.Isistimu yokuphakelwa kwamandla esetshenziswa impahla yehhovisi elimaphakathi ngokuvamile iphuma ku-48V;ama-amplifiers asesiteshini ahlukahlukene ngokuvamile asebenzisa ama-adaptha angu-3.3V, 5V, 12V, 28V ac dc, ama-adaptha angu-3.3V, 5V ac dc ngokuvamile anama-chips, abalandeli be-adaptha engu-12V, kanye nezikhulisamandla zamandla e-adaptha engu-28V.
Izinsimbi
Ngokuvamile, maningi amashaneli okukhiphayo.Ukuze uvimbele ukugxambukela phakathi kwamaqembu, ama-adaptha e-AC dc adinga ukunemba kokulawulwa kwamandla kagesi aphezulu, futhi amanye adinga ukuhlukaniswa.(Enye i-voltage yokufaka i-DC, futhi imvamisa yomkhumbi noma yendiza ingu-440HZ.) Ezinye izisetshenziswa, ezifana namajeneretha omoya-mpilo, amajeneretha e-hydrogen, njll., nazo zidinga ukunikezwa kwamandla kwamanje okungashintshi, futhi amandla avuzayo aphansi kakhulu. .
Imboni yezokuphepha
Ngokuvamile kusetshenziswa ukushajwa kwebhethri, njenge-adaptha engu-12V / 13.8V, ama-adaptha angu-13.8V ac dc ngokuvamile ashajwa ngebhethri, futhi ashintshela kubhethri elingu-12V ukuze anikezwe amandla ngemva kokuhluleka kwamandla e-AC.
I-fiber yenethiwekhi
Amaswishi enethiwekhi ngokuvamile asebenzisa i-adaptha engu-3.3V/5V kanye ne-adaptha engu-3.3V/12V ezinhlanganisela eziningi.I-adaptha engu-3.3V ngokuvamile ine-chip, futhi amandla ayahlukahluka kuye ngezinhlobo ezahlukene.Ukunemba kokulawulwa kwamandla kagesi kuphezulu, ama-adaptha angu-5V ac dc, ama-adaptha angu-12Vac dc ane-Fan, yamanje incane kakhulu, futhi ukunemba kokulawulwa kwamandla kagesi akudingeki kube phezulu kakhulu.
Imboni yezokwelapha
Inezidingo eziphakeme zokuphepha, idinga ukuvuza okuncane, kanye ne-voltage ephezulu yokumelana.Ngokuvamile ama-adaptha e-ac dc asetshenziswayo angu-12V-120V kuye ngedivayisi.
Imboni yokubonisa i-LED
Izidingo zama-adaptha e-ac dc yilezi: ukusabela okuhle okuguquguqukayo, ukumelana nokushisa okuphezulu, kanti ezinye zingadinga iphuzu elikhulu elidlulele, njengama-adaptha angu-5V30A, ukunikezwa kwamandla kwama-adaptha angu-5V50A, umhlobiso we-LED, ngenxa yezidingo zokukhanyisa, ngokuyisisekelo idinga ukugeleza njalo ukuzuza ukukhanya okukhanyayo okufanayo.
Imboni yokulawula intela
Izimboni ezisafufusa zilawulwa uhulumeni, futhi umthamo wokukhiqiza ungase ube mkhulu kakhulu.Ngaphandle kwabambalwa, ngokuyisisekelo sebenzisa i-5V 24V ehlanganiswe nama-adaptha ac dc, 5V ye-chip eyinhloko, 24V enephrinta, futhi udinga ukusebenzisana nawo wonke umshini ukwenza i-EMC.
Setha ibhokisi eliphezulu
Ngokuvamile, maningi amashaneli, i-voltage evamile i-3.3V adapters/5V adapter/12V adapter/22V adapter/30V adapters, noma amanye amazinga e-ATX, ukusebenza kwesiteshi ngasinye mancane kakhulu, futhi amandla ewonke ama-adaptha ac dc ngokuvamile mayelana ne-20W, futhi intengo iphansi.Amanye amabhokisi aphezulu anama-hard drive azoba namandla angaphezu kuka-60W.
I-LCD TV
Ngokuvamile, kuneziteshi ezingaphezu kwezi-3 zeAma-adaptha angu-24VAma-adaptha angu-/12V/5V, ama-24V anesikrini se-LCD;12V ngesistimu yomsindo;I-5V enebhodi lokulawula i-TV kanye ne-STB.
Ukushintsha ukunikezwa kwamandla
Izimboni ezintsha ezihilelekile: okokusebenza okulalelwayo nevidiyo, okokusebenza kokushaja kwekhabhinethi yebhethri, okokugcina zokuxhumana kwe-VOIP, ukuguquguquka kwamandla kanye nemishini yokudiliza, okokuhlonza okungathintana naye, njll.
Ngazi kanjani ukuthi ngidinga ama-adaptha angakanani ac dc?
Amapharamitha ama-adaptha ac dc azohluka ngokuya ngamadivayisi ahlukene, ngakho-ke akwenzeki ukusebenzisa ama-adaptha ac dc ukushaja ngokuthanda kwakho.Ngaphambi kokukhetha ama-adaptha ac kuya ku-dc, izimo ezintathu zokuzivumelanisa nezimo kufanele ziqale zinqunywe.
1. I-Power Jack/Isixhumi sama-adaptha ac dc sifana nedivayisi;
2. I-voltage ephumayo yama-adaptha ac dc kufanele ifane ne-voltage elinganiselwe yokufaka yomthwalo (idivayisi ephathwayo), noma ibe phakathi kwebanga le-voltage umthwalo (umakhalekhukhwini) ongamelana nakho, ngaphandle kwalokho, umthwalo (umakhalekhukhwini) ungase zishiswe;
3. Amandla okukhiphayo wama-adaptha ac dc kufanele alingane noma abe mkhulu kunomthwalo wamanje (idivayisi yeselula) ukuze unikeze amandla anele;
Yini eyenza ama-adaptha e-ac dc amahle?
Uma sesifunde ngokusetshenziswa kwama-adaptha e-AC DC, kufanele futhi sazi ukuthi singakhetha kanjani ama-adaptha amahle e-AC DC.I-adaptha enhle ingasiza iphrojekthi yakho ifinyelele impumelelo enkulu
Ukuthembeka kwama-adaptha e-DC
Ngokusho kokusebenza okuyinhloko kwama-adaptha e-ac dc, njengokuvikelwa kwe-overcurrent, umthombo wemisebe ye-EMI, i-voltage offset esebenzayo, ukucindezelwa kokuhlanekezela kwe-harmonic, ukulayisha okuphambene, imvamisa yewashi, ukutholwa okuguquguqukayo, njll., kunqunywa ukuthi i-adaptha yamandla ingasebenza kahle yini. isikhathi eside.
Ukufaneleka kwama-adaptha e-DC
Ukunethezeka kungenye yezinto zokuqala okufanele wonke umuntu azicabangele.Imishini ye-elekthronikhi ikhula kancane kancane ibheke emincane futhi enhle kakhulu.Yiqiniso, okufanayo kuyiqiniso ngama-adaptha ac dc.Ukuze uyithwale kangcono, kufanele ucabange ukukhetha i-AC kuya ku-DC Adapter kukhompyutha engasindi.
Ukuvikelwa kwemvelo nokonga amandla ama-adaptha e-DC
Ukhiye wama-adaptha we-ac dc ukusebenza kahle kokuguqulwa okuphezulu.Ukusebenza kahle kokuguqulwa okuphezulu kokushintsha kwamandla kagesi ekuqaleni bekungama-60% kuphela.Manje ingafinyelela ngaphezu kwama-70% kanye nama-80% angcono.BTW, lokhu kuphinde kulingane nenani.
Imodi yokuhambisana yama-adaptha e-DC
Ngenxa yokuthi ama-adaptha e-ac dc awanakho ukusebenzelana okujwayelekile okuhlanganisiwe, okokusebenza kwamanje emakethe kungashiwo ukuthi kuhlukile ezingeni lesixhumi.Wonke umuntu kufanele ahlole ngokucophelela lapho ekhetha.ama-adaptha e-ac dc ngokuvamile anenani elintantayo le-voltage yokusebenza kanye nama-adaptha ac dc anama-voltage afanayo.Ihambisana nezinhlelo zokusebenza, inqobo nje uma ingeqi indawo enkulu yemishini kagesi.
Ukuqina kwama-adaptha e-DC
Uma uthola ukuthi ama-adaptha alimele ngaphambi kokuthi uwasebenzise, ngakho-ke ngikholwa ukuthi abantu abaningi bazozizwa becindezelekile ngenxa yalokhu, ngoba ukuqina kwama-adaptha e-ac dc kubaluleke kakhulu ngenxa yendawo yemvelo yohlelo lokusebenza.Ngaphezu kokusetshenziswa okujwayelekile kwe-voltage yokuxhuma kanye nemikhiqizo ye-elekthronikhi, abantu abaningi bavame ukuthatha ama-adaptha e-AC dc nxazonke, ukukhubeka okuthile akunakugwenywa, futhi ikhebula livame ukuphuka, okuqinisekisa ukuthi izinga layo lokuguga liya ngokushesha, impilo yesevisi ayinjalo. phezulu.
Ukwakheka kwama-adaptha ac dc
Phakathi kwazo, isiguquli se-DC-DC sisetshenziselwa ukuguqulwa kwamandla, okuyingxenye eyinhloko yama-adaptha e-ac dc.Ngaphezu kwalokho, kukhona amasekhethi anjengokuqalisa, ukuvikela okudlulele kanye nokuvikelwa kwe-overvoltage, nokuhlunga umsindo.Isekethe yesampula yokuphumayo (R1R2) ithola ukuguqulwa kwe-voltage okukhiphayo futhi iqhathanise nereferensi.I-Voltage U, i-voltage yephutha lokuqhathanisa iyakhuliswa futhi i-pulse wide modulation (PWM) isekethe, bese umjikelezo womsebenzi wedivayisi yamandla ulawulwa yisekethe yedrayivu, ukuze kufezwe inhloso yokulungisa i-voltage ephumayo.
Iziguquli ze-DC-DC zinezinhlobonhlobo zamafomu esekethe, ezivame ukusetshenziswa iziguquli ze-PWM zazo i-wave wave esebenzayo iyigagasi eliyisikwele kanye neziguquli ezizwakalayo ezisebenza ngamagagasi e-quasi-sine.
Ochungechungeni lwamandla alawulwayo alayini, izici zokuphendula zesikhashana zokukhiphayo kokokufaka zinqunywa ikakhulukazi izici zemvamisa yeshubhu lokudlula.Kodwa-ke, kusiguquli se-quasi-sine wave resonant, ekunikezeni amandla okulawulwayo okushintshayo, uguquko lwesikhashana lokokufaka lubonakala kakhulu ekugcineni kokukhiphayo.Ngenkathi ikhulisa imvamisa yokushintsha, inkinga yempendulo yesikhashana yama-adaptha e-ac dc nayo ingathuthukiswa ngenxa yezici ezithuthukisiwe zemvamisa ye-amplifier yempendulo.Impendulo yesikhashana yoshintsho lomthwalo inqunywa ikakhulukazi izici zesihlungi se-LC ekugcineni kokuphumayo, ukuze izici zokuphendula zesikhashana zingathuthukiswa ngokwandisa imvamisa yokushintsha nokunciphisa umkhiqizo we-LC wesihlungi esiphumayo.
Ungawathengaphi ama-adaptha e-Ac Dc?
Sithemba ukuthi lo mhlahlandlela wama-adaptha we-ac dc uchaze ukwakheka okuyisisekelo kwalawa mashaja nokuthi ungawakha kanjani usayizi wama-adaptha afanele we-ac dc wohlelo lwakho lokusebenza.Siphinde sichaze ukuthi ungahlukanisa kanjani phakathi kwama-adaptha e-ac dc amahle namabi nokuthi ungamatanisa kanjani ama-adaptha alungile nedivayisi yakho.
Manje yisikhathi sokuthola uhlobo olulungile lwe-adaptha ye-ac dc yohlelo lwakho lokusebenza.Lapha kuPacolipowersiletha inala yama-adaptha e-ac dc azokwakhiwa.Uhlu lwethu olubanzi lwemikhiqizo nezintengo eziphansi zama-adaptha e-AC dc kusenza sibe abahlinzeki abazikhethela bona kumaphrojekthi amaningi.
Isikhathi sokuthumela: Aug-05-2022