Ukuchaneka okungaguquguqukiyo kwamandla ombane / ukungaguquguquki kwe-monolithic ekhoyo yamkela i-monolithiciadaptha yamandla, elungiselelwe iamplifier esebenza kabini yamandla aphantsi kunye nokuchaneka okuhlengahlengiswayo okufanayo isilawuli ukuphuhlisa ikroba lolawulo lombane kunye nekroba elikhoyo lolawulo.Xa kuthelekiswa nekroba lolawulo elenziwe zii-transistors, ineengenelo zokuchaneka okuphezulu kombane ongaguqukiyo kunye nokungaguquguquki okukhoyo, okuthe ngqo kwesekethe ye-peripheral, ukuxhathisa okuncinci kokuxhathisa okukhoyo, ukunciphisa ukusetyenziswa kwamandla kunye nokuphucula ukusebenza kakuhle kwamandla.Ukusebenza kwayo kwamandla kunokufikelela kwi-80%.Olu hlobo lonikezelo lwamandla lufanelekileiitshaja zebhetri ezikhawulezayo zeelaptopskunye neerekhodi zevidiyo.
Isekethe ye-15v2a echanekileyo ye-voltage engaguqukiyo / iadaptha yamandla ephumayo yangoku iboniswa kumzobo.Iisekethe ezine ezihlanganisiweyo zisetyenziswa kwisekethe: i-TOP214Y i-adapter yamandla e-monolithic (IC1), i-PC816A i-optocoupler (IC2), i-adjustable precision parallel regulator tl431C (C3), kunye ne-low-power dual operational amplifier lm358 (iC4, kubandakanywa i-ic4a yeamplifiers ezimbini kunye ic4b).
Isekethe inezi mpawu zilandelayo:
- ① I-loop yokulawula amandla ombane yenziwe yi-ic4b, IC3, vd5, kunye ne-resistors yesampuli i-R3 kunye ne-R4;I-loop yolawulo yangoku yenziwe ic4a, vd6, kunye ne-overcurrent yokubona i-resistor R6.
- ② I-loop yolawulo lwe-voltage kunye nomsebenzi wangoku wokulawula i-loop ngokomgaqo we "logic okanye isango", oko kukuthi, nangaliphi na ixesha, i-loop ephuma kwinqanaba eliphezulu lidlala indima yokulawula.
- ③ I-bias yesibini ejikelezayo i-NSB yongezwa ukunika amandla kwi-loop yolawulo.I-bias yesibini inokulandela ngokuzenzekelayo utshintsho lwe-voltage yegalelo ye-DC ukuze ihlale ineempawu zangoku xa amandla ombane ophumayo u-U ancitshiswa kakhulu.Iza kungena kwimeko yokuqalisa kwakhona ngokuzenzekelayo kuphela xa u ≤ 0.8V.
- ④ I-TOP214y iadaptha yamandla etshiphu enye isetyenzisiwe, kwaye amandla alinganisiweyo aphumayo afikelela kwi-30W
- ⑤ Xa i-loop yokulawula yangoku iqulunqwe yi-amplifier yokusebenza yamkelwa, ukuchasana kokumelana nokufumanisa i-R6 kwangoku kungancitshiswa ukuya kwi-0.1q, ukusetyenziswa kwamandla kungancitshiswa ukuya kwi-0.4W, kunye nokusebenza kwamandla kunokuphuculwa.
- ⑥ Yandisa ixabiso eliphezulu levolthi yengxelo ukuya kwi-46v.Apha, i-PC816A optocoupler ikhethiwe, i-U (BR) i-CEO = 70V> 40V.
Ngaphantsi kweemeko eziqhelekileyo, i-voltage control ring isebenza, kunye ne-adapter yamandla isebenza kwindawo yombane eqhubekayo.Ingena kwindawo ekhoyo ehambelanayo xa ndikufutshane no-2a.Okwangoku, i-ring control ekhoyo isebenza.I-terminal yokufakwa kwesigaba se-ic4a idityaniswe nophawu olukhoyo lwe-ur6, kunye netheminali yongeniso eguquliweyo iqhagamshelwe ne-voltage divider voltage ufy.Iphaneli yokwahlula amandla ombane yenziwe nge-R8, tl431c, kunye ne-r5.I-Ic4a ikhupha impazamo emva kokuthelekisa ub6 ne-ufy.Umqondiso u-U emva koko ube ngumqondiso okhoyo nge-vd5 kunye ne-R1, ihamba ngqo kwi-LED kwi-optocoupler, kwaye emva koko ilawula umjikelo woxanduva lwe-TOP214Y ukugcina imveliso ekhoyo ye-io yonikezelo lwamandla rhoqo kwindawo eqhubekayo yangoku.Ngokungathandabuzekiyo, i-vd5, kunye ne-vd6, zilingana ne "okanye isango".Ukuba i-loop yolawulo yangoku ikhupha iqondo eliphezulu kunye neziphumo zolawulo lwe-voltage loop kwinqanaba eliphantsi, unikezelo lwamandla lusebenza kwimeko yemveliso eqhubekayo;Ngokuchasene noko, isebenza kwimeko yesiphumo sombane rhoqo.
Ixesha lokuposa: May-20-2022