Yadda ake amfani da photocoupler don keɓe manyan ƙarfin lantarki don inganta amincin fakitin baturi na lithium-ion na motocin lantarki

Auctor Iflowpower - პორტატული ელექტროსადგურის მიმწოდებელი

A halin yanzu, a cikin amfani da dukkan na&39;urori masu amfani da wutar lantarki ko masu haɗaka, sarrafa fakitin baturi mai ƙarfi na lithium-ion yana fuskantar ƙalubale da yawa, baya ga rashin sa ido da caji da sake zagayawa, bisa la&39;akari da aminci, ya zama dole a ware fakitin baturi daga samar da ɗaruruwan ƙarfin lantarki. Wannan takarda ta tattauna musamman game da buƙatun saka idanu na baturin lithium ion, kuma ta tattauna abubuwan gine-gine da sifili da tsarin kula da baturi ke amfani da shi, tsarin sadarwar dijital, da keɓancewa. A cikin tsarin gudanarwa, kwamitin kula da baturi yana amfani da na&39;urori masu mahimmanci guda biyu don dogara da yanayin yanayin baturi da samar da sakamakon dijital zuwa babban tsarin sarrafawa da tsarin sarrafawa ke sarrafawa, don raba waɗannan tsarin, a cikin manyan igiyoyi na shigar da baturi da alluna Na&39;urar sadarwa tana amfani da siginar keɓewa na gani don tabbatar da cewa babban ƙarfin lantarki ba zai shafi tsarin tsarin dijital ba.

Halayen baturi na lithium-ion ba su dace da hadadden tsarin lantarki na motocin lantarki ba a cikin aiki, aminci, da buƙatun aminci kuma wannan batu kai tsaye daga halaye na batirin lithium ion baturi, ana fitar da kayan lithium, kayan lithium galibi ana yin ionized a cikin graphite anode, sannan waɗannan lithium ion yana motsawa ta hanyar lantarki ta hanyar lantarki don isa ga cathode gabaɗaya, kuma ana dawo da tsarin lithium. baya da cathode ta hanyar SEPARATOR. Ana sarrafa aiki da amincin wannan shirin amsa sinadarai ta hanyar zafin jiki da ƙarfin lantarki na rukunin baturi. A cikin ƙananan zafin jiki, halayen sinadaran suna jinkirin, ta yadda ƙarfin wutar lantarki na baturi ya yi ƙasa, kuma saurin amsawa yana ƙaruwa har zuwa lithium yayin da zafin jiki ya karu, saurin amsawa yana ƙaruwa har sai lithium naúrar ion ya fara rushewa, lokacin da zafin jiki ya wuce. 100°Lokacin da C, electrolyte ya fara yin nazari, sakin iskar gas wanda zai iya haifar da matsa lamba na ƙwayoyin baturi a cikin zane, a yanayin zafi mai zafi, naúrar baturi na lithium ion na iya sakin oxygen saboda nazarin oxide a fuskar thermal daga sarrafawa, ƙara haɓakar zafin jiki.

Don haka, mafi kyawun yanayin aiki don kiyaye batirin lithium ion shine mabuɗin da ake buƙata na tsarin sarrafa baturi. Mahimmin ƙalubalen lokacin tsara tsarin sarrafawa da tsarin gudanarwa shine tabbatar da ingantaccen sayan bayanai da ruɓewa don saka idanu kan matsayin baturan lithium-ion a cikin mota. Kuma wannan ita ce matsalar siffa ta batirin lithium ion kanta.

A cikin motar lantarki ta ChevyVolt, fakitin baturi ya ƙunshi batura lithium-ion mai siffa 288, wanda aka raba zuwa fakitin baturi 96, kuma yana ba da ƙarfin lantarki na tsarin 386.6V DC, waɗanda ke samar da manyan batura huɗu tare da na&39;urori masu auna zafin jiki da na&39;urori masu sanyaya. Module, layin gano wutar lantarki da ke da alaƙa da kowane rukunin baturi yana haɗe zuwa kowane nau&39;in baturi, kuma ana warware tasha kuma an haɗa ta zuwa tsarin ƙirar baturi da ke sama da kowane tsarin baturi ta hanyar haɗin wutar lantarki mai haɗa katako, 4 ta amfani da launi.

Modulin ƙirar baturi da aka nuna yana aiki a wurare daban-daban na fakitin baturin, bi da bi ya yi daidai da ƙarancin ƙarancin ƙarfi, tsaka-tsakin babban ƙarfin wutar lantarki na 4 na&39;urorin wutar lantarki na DC. Za a aika da bayanan da aka kawo ta tsarin ƙirar baturi zuwa tsarin sarrafa makamashi na baturi, sannan a ba da halin da ake ciki na kuskure, jihar, da bayanan bincike zuwa ƙirar sarrafa matasan azaman mai sarrafa abin hawa na farko, a kowane lokaci, duk tsarin zai gudana fiye da tsarin bincike na tsarin 5,000, bincike na 85% yana mai da hankali kan tsaro na rayuwar baturi. Rushewar aikin batir mai da&39;ira da yawa yana farawa a cikin ƙirar ƙirar baturi da ake amfani da shi a cikin motocin lantarki na ChevyVolt, da fatan za a koma FIG.

1, musamman fuskantar babban sigina mutunci, ta yin amfani da hudu Layer zane kewaye allon amfani da wata alama layout fasaha, kadaici A hade da dabaru da kuma ƙasa jiragen sama don taimaka a tabbatar da cewa siginar mutunci a cikin kalubale yanayi, inda babba Layer ya ƙunshi mafi yawan sifili aka gyara, ciki har da Tantancewar isolators, ƙasa jiragen sama, da sigina burbushi tare da mahara ta hanyar ramukan da Layer da kuma samar da Layer na biyu, shi ne samar da mahara ta hanyar ramukan da Layer na biyu. Jirgin kasa yana rarraba kasa da babban yankin da ke da karfin wutar lantarki, sannan Layer na uku yana dauke da siginar siginar da ke karkashin wadannan wuraren, dayan bangaren na&39;urar da aka buga, wato Layer na hudu a matsayin jirgin kasa da alamar sigina kuma yana dauke da wasu karin sifiri. Hoto 1: Kowanne daga cikin allunan da&39;ira mai sarrafa baturi guda huɗu a cikin motar lantarki ta ChevyVolt ta ƙunshi nau&39;ikan da&39;irori na induction da na&39;urorin sadarwa na CAN, kuma suna keɓance gefuna na photocoupler na tsarin sadarwa. Warewar sigina A cikin amfani da abin hawa na lantarki, sadarwa da sarrafawa shine abin hawa, kamar ChevyVolt, ta yin amfani da keɓewar cibiyar sadarwa da yawa da kare tsarin ƙasa mai zaman kanta, ta amfani da hadaddun algorithm don sarrafa ƙungiyoyin batir lithium ion masu zaman kansu da kuma saka idanu na musamman na Motsin Matsakaicin Baturi Fakitin baturi a cikin kowane tsarin da aka jawo, amma mahimman bayanan azaman babban sarrafa baturi gabaɗaya yana ƙunshe a cikin siginar siginar gida mai sarrafawa, babban cibiyar sadarwa na siginar CAN da babban siginar siginar fakitin NetWork. yayin da tsarin tsaro Kuma amintacce kuma yana ba da keɓancewar aminci na cibiyar sadarwar bas ta CAN da kuma babban yanayin jin ƙarfin wutar lantarki, kodayake ana iya aiwatar da keɓewar ta amfani da hanyoyi daban-daban da abubuwan sifili, amma yanayin da ake buƙata da ƙa&39;idodin aminci da yawa suna buƙatar ma&39;amalar optoelectronic ya zama fifikon amfani da wannan nau&39;in.

Hanya. Na&39;urar daukar hoto tana ba da babban ƙarfin hana surutu, kuma shine ainihin haɓaka hayaniyar lantarki sosai kamar EMC da EMI a cikin mota, bugu da ƙari, keɓewar tsayin wannan nau&39;in samar da na&39;urar yana da alaƙa da dogon lokacin fuskantar fakitin wutar lantarki na baturi na DC. Kuma saurin canjin wutar lantarki na wucin gadi a cikin binciken, haɗin caji, da cirewa, da juyawa DC-DC yana da mahimmanci ga.

Lokacin zabar wannan maɓalli na sifili, abubuwan da aka soki na motar sun haɗa da fakitin da suka dace da ƙayyadaddun ƙarfin lantarki na aiki, kodayake ƙayyadaddun ayyuka kamar saurin, ƙimar bayanai da amfani da wutar lantarki har yanzu suna da ƙarfi, amma ana la&39;akari da EMI don saurin sauyawa da babban canji na yanzu. Don saduwa da ƙayyadaddun ƙayyadaddun yanayin yanayin amfani da mota, AVAGO yana ba da samfuran samfuran hoto da yawa, waɗanda za a iya amfani da su akan shigar da wutar lantarki na fakitin baturi, wanda ke kawo keɓancewar sadarwar bayanai da sauran keɓewar aminci, Tebur 1 Samar da layi tare da samfuran Optocoupler daban-daban don amfani da motoci. Table 1: Daban-daban masu ɗaukar hoto da suka dace da misalan hoto na mota, AVAGO&39;s ACPL-M43T photocoupler yana ba da allon kewayawa na ƙirar baturi da za a rabu, a matsayin memba na jerin Avagor2Coupler, ACPL-M43T ƙaramin SO-5JEDEC 5-pin SO-5JEDEC ne, wanda ya dace da fakitin optocoup na dijital na sama.

Baya ga ƙarfafa ƙarfin rufewa, samfuran Avago&39;s R2Coupler suna amfani da layi biyu don haɓaka maɓalli na haɗin gwiwa, kamar yadda aka nuna a hoto 2. Bugu da kari, na&39;urar daukar hoto mai rufewa tana nuna dogaro mai karfi da kewayon zazzabi mai aiki, wanda ya zarce samfurin daukar hoto ta amfani da LEDs masu daraja. An ƙera shi musamman don amfani da mota, samfuran AVAGO suna amfani da LEDs matakin mota, wanda tsarin ingancin ISO / TS16949 ke ƙera, kuma suna bin ƙayyadaddun AEC-Q100.

Hoto 2: Avago yana amfani da haɗin aikin maɓalli na ƙarfafa waya biyu tare da samfuran hoto na ACPL-M43T. (Haskoki a Hoto) Wannan na&39;urar tana da kyau don buƙatun fakitin baturin abin hawa. Abubuwan da aka samar sun haɗa da 567V ci gaba da ƙarfin aiki, 6000V matsakaicin wuce gona da iri, nisan creepage 5MM da izinin lantarki 5mm, da sauransu.

, Lokacin da aka shigar da 10mA zuwa na yanzu, Ko akwai wata ma&39;ana mai girma ko ƙananan fitarwa da ke da 30 kV / s na kowa-yanayin tashin hankali nan take, zai iya rage damar samun canje-canje a wasu tsarin mota a cikin hanyar sadarwa na CAN.