Ungayisebenzisa kanjani i-photocoupler ukuhlukanisa ama-voltage aphezulu ukuthuthukisa ukuphepha kwamaphakethe ebhethri e-lithium-ion ezimoto zikagesi

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Njengamanje, ekusetshenzisweni kwazo zonke izimoto zikagesi noma ezixubile, ukuphathwa kwamaphakethe ebhethri e-lithium-ion aphezulu kubhekana nezinselele eziningi, ngaphezu kwemijikelezo yokungaqapheli nokushaja nokukhipha, ngokusekelwe ekucatshangelweni kokuphepha, kuyadingeka ukuhlukanisa amaphakethe ebhethri ekunikezeni amakhulu ama-voltages. Leli phepha lixoxa ngokukhethekile ngezidingo zokuqapha zebhethri ye-lithium ion, futhi lidingida izingxenye zezakhiwo nezinguziro ezisetshenziswa amasistimu okuqapha amabhethri, izinhlelo zokuxhumana zedijithali, kanye nezindawo zokuhlukanisa abantu ngabanye. Ohlelweni lokuphatha, ibhodi lokuqapha ibhethri lisebenzisa amasistimu angaphansi amabili abalulekile ukuze liqaphe ngokuthembekile isimo sebhethri futhi linikeze imiphumela yedijithali ohlelweni oluyinhloko lokulawula olusetshenziswa uhlelo lokulawula, ukuze kuhlukaniswe lezi zinhlelo ezingaphansi, kumasekhethi okungenisa ibhethri kagesi aphezulu kanye namabhodi Idivayisi yokuxhumana isebenzisa isixhumi esibonakalayo sesignali sokuhlukanisa ukuze kuqinisekiswe ukuthi i-voltage ephezulu ayithinti uhlelo oluncane lwedijithali.

Izici zebhethri ze-lithium-ion azihambisani nesistimu ye-elekthronikhi eyinkimbinkimbi yezimoto zikagesi ekusebenzeni, ukuphepha, kanye nezidingo zokuthembeka futhi leli phuzu liqonde ngqo kusuka ezicini zebhethri ye-lithium ion, impahla ye-lithium iyakhishwa, impahla ye-lithium ngokuvamile i-ionized ku-graphite anode, khona-ke lezi I-ion ye-lithium ishukunyiswa yi-electrolyte nge-electrolyte ukuze ifinyelele ohlelweni lwe-cathode yonke, futhi inqubo ye-lithium ingaphakathi, futhi ibuyiswe yi-cathode ngokusebenzisa isihlukanisi. Ukusebenza nokuthembeka kwalolu hlelo lokusabela kwamakhemikhali kulawulwa izinga lokushisa ne-voltage yeyunithi yebhethri. Emazingeni okushisa aphansi, ukusabela kwamakhemikhali kuhamba kancane, ukuze i-voltage yeyunithi yebhethri iphansi, futhi isivinini sokuphendula sikhuphuka kuze kube yi-lithium njengoba izinga lokushisa likhuphuka, isivinini sokusabela sikhuphuka kuze kube yi-lithium Iyunithi ye-ion iqala ukuphahlazeka, lapho izinga lokushisa lidlula. 100°Lapho i-C, i-electrolyte iqala ukuhlaziya, ukukhululwa kwegesi okungase kubangele ukucindezela kwamangqamuzana ebhethri ekwakhiweni, ekushiseni okuphezulu, iyunithi yebhethri ye-lithium ion ingase ikhulule umoya-mpilo ngenxa yokuhlaziywa kwe-oxide ebusweni bokushisa okungalawuleki, okunye Ukunyuka kwezinga lokushisa okusheshisiwe.

Ngakho-ke, izimo zokusebenza ezingcono kakhulu zokugcina ibhethri ye-lithium ion iyisidingo esibalulekile sohlelo lokuphatha ibhethri. Inselele ebalulekile lapho uklama izinhlelo zokulawula nokuphatha ukuqinisekisa ukutholwa kwedatha okuthembekile nokubola ukuqapha isimo samabhethri e-lithium-ion emotweni. Futhi lokhu kuyinkinga yesici sebhethri ye-lithium ion ngokwayo.

Emotweni kagesi i-ChevyVolt, iphakethe lebhethri liqukethe amabhethri e-lithium-ion angama-288 amise okweprism, ahlukaniswe ngamaphakethe amabhethri angama-96, futhi anikezela ngama-voltage esistimu angu-386.6V DC, akha amabhethri amakhulu amane ahlangene nezinzwa zokushisa namayunithi okupholisa. Imojula, ulayini wokuzwa kagesi oxhunywe eqenjini ngalinye lebhethri uxhumeke kumojula yebhethri ngayinye, futhi itheminali iyaxazululwa futhi ixhunywe kumojula yesixhumi esibonakalayo sebhethri ngaphezu kwemojula ngayinye yebhethri ngesixhumi esihlanganisiwe senzwa kagesi, 4 kusetshenziswa umbala.

Imojula yokusebenzelana kwebhethri ekhonjisiwe isebenza ezindaweni ezihlukene zephakethe lebhethri, ngokulandelanayo ihambisana nebanga eliphansi, elingathathi hlangothi lamandla kagesi aphezulu amamojula angu-4 ama-DC voltage offsets. Idatha ehlinzekwe yimojuli yokusebenzelana kwebhethri izothunyelwa kumojula yokulawula amandla ebhethri, bese inikezela ngesimo sephutha, isimo, nolwazi lokuxilonga kumojula yokulawula eyingxube njengesilawuli esiyinhloko sokuxilonga imoto, noma kunini, lonke uhlelo luzosebenzisa ukuxilongwa kwesistimu okungaphezu kuka-5,000, ukuxilongwa okungu-85% kugxile ekuvikelekeni kwephakethe lebhethri, okunye njengokulawula kokusebenza nempilo yebhethri. Ukuwohloka kokusebenza kwebhethri lebhodi lesifunda se-multilayer kuqala kumojuli yokulawula isixhumi esibonakalayo sebhethri esetshenziswa ezimotweni zikagesi ze-ChevyVolt, sicela ubhekisele ku-FIG.

I-1, ebhekene ngqo nobuqotho besignali ephezulu, isebenzisa ibhodi lesifunda elinezingqimba ezine lisebenzisa ubuchwepheshe bokulandela umkhondo, ukuzihlukanisa Inhlanganisela yamasu nezindiza eziphansi ukusiza ekuqinisekiseni ukuthi ubuqotho besignali endaweni eyinselele, lapho ungqimba oluphezulu luqukethe izingxenye eziningi ze-zero, okuhlanganisa ama-isolators optical, izindiza eziphansi, kanye neminonjana yesignali enezimbobo eziningi ezidlula izimbobo, ungqimba lwamandla wesibili lunikeza ungqimba lwe-supplier kanye nongqimba lwamandla wesibili. indiza yaphansi isakazwa ngaphansi kwendawo yamandla aphezulu webhodi lesifunda, futhi ungqimba lwesithathu luqukethe umugqa wesignali ngezansi kwalezi zindawo, olunye uhlangothi lwebhodi lesifunda eliphrintiwe, okungukuthi Isendlalelo sesine sinjengendiza yaphansi kanye nomkhondo wesignali futhi iqukethe ezinye izingxenye ze-zero ezengeziwe. Umfanekiso 1: Ibhodi lesekethe lemojuli yokulawula isixhumi esibonakalayo sebhethri ngamabhodi amane emotweni kagesi yakwa-ChevyVolt iqukethe ubuningi bamasekhethi okungenisa kanye namasekhethi okuxhumana e-CAN, futhi ahlukanisa imiphetho ye-photocoupler yesistimu engaphansi yokuxhumana. Ukuhlukaniswa kwesignali Ekusetshenzisweni kwemoto kagesi, ukuxhumana nokulawula kuyi-crimp yemoto, njenge-ChevyVolt, isebenzisa ukuhlukaniswa kwenethiwekhi eminingi nokuvikela i-subsystem ezimele, isebenzisa i-algorithm eyinkimbinkimbi ukuphatha amaqembu azimele ebhethri ye-lithium ion nokuqapha okukhethekile Imojula Yokulawula I-Battery Interface Control Iphakethe lebhethri kusistimu engaphansi ngayinye eyengelwe, kodwa idatha ebalulekile njengokuphathwa kwebhethri jikelele kuqukethwe ku-Networker control yendawo yenethiwekhi, indawo yokulawula inethiwekhi yendawo ephezulu isignali yephutha, kuyilapho ukuphepha kwesistimu Nokuthembeka kuphinde kukhiphe ukuhlukaniswa kokuphepha kwenethiwekhi yebhasi ye-CAN kanye nesekethe ezwa amandla kagesi aphezulu, nakuba ukuhlukaniswa kungenziwa kusetshenziswa izindlela ezihlukahlukene kanye nezingxenye ze-zero, kodwa indawo enenkani nemithetho yokuphepha eminingi idinga ukuthi i-optoelectronic coupler ibe ukusetshenziswa okuthandwayo kwalolu hlobo.

Indlela. I-photocoupler ihlinzeka ngamakhono aphezulu okunciphisa umsindo we-coefficient ephezulu, futhi ngokuyisisekelo ithuthukisa umsindo onamandla kagesi njenge-EMC ne-EMI emotweni, ngaphezu kwalokho, ukuhlukaniswa kobude balolu hlobo lokunikezwa kwedivayisi kuhlobene nengcindezi yebhethri ebheke isikhathi eside ye-DC voltage. Futhi ushintsho olusheshayo lwamandla kagesi aphezulu kuphenyi, uxhumano lokushaja, nokususwa, kanye nokuguqulwa kwe-DC-DC kubalulekile.

Uma ukhetha le ngxenye engukhiye onguziro, izidingo ezigxekwayo zemoto zifaka iphakheji efanelekile kanye nokucaciswa kwamandla kagesi okusebenza, nakuba izici zokusebenza ezifana nesivinini, isilinganiso sedatha kanye nokusetshenziswa kwamandla kusaqinile, kodwa i-EMI icatshangelwa ukushintshwa okusheshayo kanye noshintsho lwamanje oluphakeme Isidingo samadivayisi anesivinini esiphezulu sizokhawulelwa, ngaleyo ndlela sijike ukuze kuthuthukiswe izidingo zokuguquguquka okuphezulu kwegagasi lokulungisa i-EMI kanye nokuvinjelwa kokusebenza. Ukuze kuhlangatshezwane nezidingo eziqinile zendawo yokusetshenziswa kwemoto, i-AVAGO inikeza uchungechunge oluningi lwemikhiqizo ye-photocoupleer, engasetshenziswa ekungeneni kwamandla kagesi wephakethe lebhethri, okuletha isikhombimsebenzisi sokuxhumana kwedatha nokunye ukuhlukaniswa kokuphepha, Ithebula 1 Ukunikezwa ngokuhambisana nemikhiqizo ehlukahlukene ye-Optocoupler yokusetshenziswa kwezimoto. Ithebula 1: Ama-photoconductors ahlukahlukene afanele izibonelo ze-automotive photocoupler, i-photocoupler ye-AVAGO ye-ACPL-M43T inikeza ibhodi lesifunda lemojula yokulawula ibhethri ukuze lihlukaniswe, njengelungu lochungechunge lwe-Avagor2Coupler, i-ACPL-M43T iyiphakeji yedijithali engu-5-pin SO-5JEDEC, elungele i-opto-upload yeshaneli eyodwa.

Ngokungeziwe ekuqiniseni amandla okufakelwa, imikhiqizo ye-Avago&39;s R2Coupler isebenzisa imigqa emibili ukuze ithuthukise ukuxhumana okubalulekile okusebenzayo, njengoba kukhonjisiwe kuMfanekiso 2. Ngaphezu kwalokho, i-photocoupleer evala uphawu ibonisa ukwethembeka okuqinile kanye nebanga lokushisa elibanzi lokusebenza, elidlula kakhulu umkhiqizo we-photocoupleer usebenzisa ama-LED ebangeni labathengi. Idizayinelwe ngokukhethekile ukusetshenziswa kwezimoto, imikhiqizo ye-AVAGO isebenzisa ama-LED ezinga lemoto, akhiqizwa uhlelo lwekhwalithi ye-ISO / TS16949, futhi ithobelana nemibandela ye-AEC-Q100.

Umfanekiso 2: I-Avago isebenzisa ukuxhumeka kokhiye oqiniswe ngezintambo ezimbili ngemikhiqizo ye-photocondensor ye-ACPL-M43T. (Amaphuzu avelele Emfanekisweni) Lolu cingo lulungele izidingo zephakethe lebhethri lemoto kagesi. Ukunikezwa kuhlanganisa i-voltage esebenzayo engu-567V eqhubekayo, i-6000V ephezulu ye-overvoltage yesikhashana, ibanga le-creepage elingu-5MM kanye nemvume kagesi engu-5mm, njll.

, lapho i-10mA ifakwa kweyamanje, Kungakhathaliseki ukuthi kukhona okuphumayo okunengqondo okuphezulu noma okuphansi okunokuphazamiseka kwemodi evamile engu-30 kV / s, kunganciphisa ithuba loshintsho kwamanye amasistimu emoto kunethiwekhi yolayini wokudlulisa we-CAN.