Izinto zebhetri yeLithium zineempawu ezithile ezibathintela ukuba bangahlawuliswa kakhulu, ngaphezulu-kukhutshwa, ngaphezulu-yangoku, i-short-circuited, kwaye ihlawuliswe kwaye ikhutshwe kwi-ultra-high kunye neqondo lokushisa eliphantsi.Ke ngoko, ipakethe yebhetri ye-lithium iya kuhlala ihamba kunye ne-BMS ethambileyo.I-BMS ibhekisa kwiInkqubo yoLawulo lwebhetriibhetri.Inkqubo yolawulo, ekwabizwa ngokuba yibhodi yokhuseleko.
Umsebenzi weBMS
(1) Ingqiqo kunye nemilinganiselo Umlinganiselo kukuva ubume bebhetri
Lo ngumsebenzi osisiseko weBMS, kubandakanywa umlinganiselo kunye nokubalwa kwezinye iiparamitha zesalathisi, kubandakanywa amandla ombane, okwangoku, ubushushu, amandla, i-SOC (imeko yentlawulo), i-SOH (imeko yezempilo), i-SOP (imeko yamandla), i-SOE amandla).
I-SOC inokuqondwa ngokubanzi njengamandla angakanani ebhetri, kwaye ixabiso layo liphakathi kwe-0-100%.Le yeyona parameter ibaluleke kakhulu kwi-BMS;I-SOH ibhekiselele kwimeko yempilo yebhetri (okanye iqondo lokonakala kwebhetri), eyona mthamo webhetri yangoku.Xa kuthelekiswa nomthamo olinganisiweyo, xa i-SOH ingaphantsi kwe-80%, ibhetri ayinakusetyenziswa kwindawo yamandla.
(2) Ialam nokhuseleko
Xa kukho ukungaqhelekanga kwibhetri, i-BMS inokwazisa iqonga ukukhusela ibhetri kwaye ithathe amanyathelo ahambelanayo.Ngexesha elifanayo, ulwazi olungaqhelekanga lwe-alamu luya kuthunyelwa kwiqonga lokubeka iliso kunye nokulawula kunye nokuvelisa amanqanaba ahlukeneyo olwazi lwe-alamu.
Ngokomzekelo, xa iqondo lokushisa ligqithisekile, i-BMS iya kuqhawula ngokuthe ngqo umrhumo kunye nokukhupha isiphaluka, yenze ukhuseleko lobushushu, kwaye ithumele i-alamu ngasemva.
Iibhetri zeLithium ziya kukhupha izilumkiso ikakhulu kule miba ilandelayo:
Intlawulo engaphezulu: iyunithi enye ngaphezulu-amandla ombane, amandla ombane ephela-amandla ombane, ukutshaja ngaphezulu-yangoku
Ukukhupha ngaphezulu: iyunithi enye phantsi-amandla ombane, amandla ombane ewonke aphantsi-i-voltage, ukukhupha ngaphezulu-yangoku
Ubushushu: Iqondo lobushushu bebhetri liphezulu kakhulu, ubushushu be-ambient buphezulu kakhulu, ubushushu beMOS buphezulu kakhulu, iqondo lobushushu bebhetri liphantsi kakhulu, kwaye ubushushu be-ambient buphantsi kakhulu;
Ubume: ukuntywiliselwa emanzini, ukungqubana, ukuguqulwa, njl.
(3) Ulawulo olulungeleleneyo
Imfuneko yokubaulawulo olulungeleleneyoivela ngenxa yokungahambelani kwimveliso yebhetri kunye nokusetyenziswa.
Ukusuka kwimbono yemveliso, ibhetri nganye inomjikelezo wayo wobomi kunye neempawu.Akukho bhetri zimbini zifana ncam.Ngenxa yokungahambelani kwi-separators, i-cathodes, i-anodes kunye nezinye izinto, amandla eebhetri ahlukeneyo awakwazi ukuhambelana ngokupheleleyo.Ngokomzekelo, izibonakaliso zokuhambelana kwe-voltage ye-voltage, ukuchasana kwangaphakathi, njl.
Ukusuka kwimbono yokusetyenziswa, inkqubo yokusabela kwe-electrochemical ayinakuze ihambelane ngexesha lokutshaja kunye nokukhupha ibhetri.Nokuba ikwipakethi yebhetri efanayo, ukutshajiswa kwebhetri kunye nomthamo wokukhupha kuya kwahluka ngenxa yobushushu obuhlukeneyo kunye needigri zokungqubana, okukhokelela kumandla ebhetri angahambelaniyo.
Ngoko ke, ibhetri idinga zombini ukulinganisa okungenziwayo kunye nokulinganisa okusebenzayo.Oko kukuthi, ukuseta isibini semibundu yokuqalisa nokuphelisa ukulingana: umzekelo, kwiqela leebhetri, ukulinganisa kuqalwa xa umahluko phakathi kwexabiso eligqithisileyo lombane weseli kunye nombane ophakathi weqela ufikelela kwi-50mV, kwaye ukulinganisa kuyaphela. kwi 5mv.
(4) Unxibelelwano kunye nokubeka
I-BMS inendawo eyahlukileyoimodyuli yonxibelelwano, ejongene nokuhanjiswa kwedatha kunye nokubeka ibhetri.Inokudlulisela idatha echaphazelekayo evakalelwa kwaye ilinganiswe kwiqonga lolawulo lokusebenza ngexesha langempela.
Ixesha lokuposa: Nov-07-2023