Ukukhetha iNkqubo yoLawulo lweBhetri yeLithium (i-BMS) efanelekileyo kubalulekile ekuqinisekiseni ukhuseleko, ukusebenza, kunye nobude bexesha lenkqubo yakho yebhetri. Nokuba usebenzisa izixhobo ze-elektroniki zabathengi, izithuthi zombane, okanye izisombululo zokugcina amandla, nasi isikhokelo esibanzi sokukunceda wenze isigqibo esinolwazi:
1. Chonga iinkcukacha zebhetri
Qala ngokuqonda iimpawu eziphambili zebhetri yakho ukuqinisekisa ukuba iyahambelana ne-BMS:
- Uhlobo Lwebhetri
Chonga ikhemikhali yebhetri ye-lithium:I-Ternary Lithium (NCM/NCA),I-LiFePO4 (LFP), okanye ezinye. Uhlobo ngalunye luneeprofayili ze-voltage ezizodwa kunye neemfuno zokhuseleko.
Umzekelo: Iibhetri ze-lithium ze-Ternary (eziqhelekileyo ze-3.7V) zifuna ukhuseleko oluchanekileyo lokutshaja ngaphezulu (≤4.25V), ngelixa i-LiFePO4 (eqhelekileyo ye-3.2V) isebenza ngokukhuselekileyo ukuya kuthi ga kwi-3.65V.
- Umthamo (Ah)
Tshatisa iiBMSukukhutshwa kwangoku okuqhubekayo kunye nencophongokwesixa sebhetri yakho. Iibhetri ezinomthamo ophezulu zifuna iiyunithi zeBMS ezinobuchule obuqinileyo bokuphatha umbane.
- Uluhlu lweVolthi
Qinisekisa ukuba uluhlu lwe-voltage ye-BMS lugubungela iibhetri zakhoi-voltage eqhelekileyo,i-voltage yokutshaja epheleleyokunyei-voltage encinci yokukhuphaIindidi ezingangqinelaniyo zibeka emngciphekweni umonakalo okanye ukusebenza kakuhle okunciphileyo.
I-BMS ethembekileyo kufuneka ikhusele kwaye iphucule ukusebenza kwebhetri ngokusebenzisa:
- Ukhuseleko lokutshaja ngaphezulu
Icima ngokuzenzekelayo ukutshaja xa i-voltage idlula imida ekhuselekileyo (umz., i-4.3V ye-ternary lithium).
- Ukhuseleko Lokukhupha Inkunkuma Ngokugqithisileyo
Iyamisa ukukhupha ngaphambi kokuba i-voltage yehle ngaphantsi kwemida ebalulekileyo (umz., i-2.5V ye-ternary lithium) ukuthintela ukuwohloka kweseli.
- Ukhuseleko olugqithisileyo nolufutshane lweSijikelezo
Ibona imijikelo yamandla okanye imijikelo emfutshane (ixesha lokuphendula: <100μs) ukuthintela ukufudumala kobushushu.
- Ukulinganisela iiSeli
Ukulinganisela okungasebenziyoichitha amandla agqithisileyo njengobushushu (ixabiso layo liphantsi kwiipakethe ezincinci).
Ukulinganisela okusebenzayoisasaza amandla phakathi kweeseli (ilungele iinkqubo ezinkulu, iphucula ubomi).
- Iimpawu eziPhambili
Ukubeka esweni i-State-of-Charge (SOC): Ilandelela ngokuchanekileyo umthamo webhetri oseleyo.
Ulawulo lobushushu: Ijonga kwaye ilawula amaqondo obushushu eeseli ukuthintela ukugqithisa kakhulu.
Iindlela zoNxibelelwano: Ixhasa i-CAN bus, i-UART, okanye i-Bluetooth ukuze ufumane idatha kunye noxilongo lwexesha langempela.
3. Vavanya Umgangatho kunye Nokuthembeka
Tyala imali kwi-BMS eqinisekisa ukuqina nokuthobela imithetho:
- Iimpawu Ezihloniphekileyo
Khetha abavelisi abaziwayo abanamava aqinisekisiweyo kuyilo lwe-BMS kunye neziqinisekiso (umz., i-UL, i-CE, i-ISO 26262 yeemoto).
- Umgangatho wokwakha
Inqanaba eliphezuluIzixhobo zePCB, ukuwelda ngokuchanekileyo, kunye nezinto eziphambili (umz., iiMOSFET ezisebenzayo kakhulu) ziqinisekisa uzinzo kunye nokusebenza kobushushu.
- Isoftware kunye nee-Algorithms
Isoftware ye-BMS ephucukileyo ivumela uqikelelo oluchanekileyo lwe-SOC, ukuxilongwa kweempazamo, kunye nohlaziyo lwe-firmware.
4. Thelekisa iimfuno zeNdalo kunye nezicelo
Lungisa ukhetho lwakho ngokweemeko zokusetyenziswa:
- Ubungakanani kunye noHlanganiso
Iiyunithi ze-BMS ezincinci zilungele usetyenziso oluneendawo ezixineneyo, ngelixa uyilo lweemodyuli lwenza kube lula ukukhulisa iinkqubo zoshishino.
- Ukumelana nobushushu
Khetha iiyunithi ze-BMS ezilinganiswe ngamaqondo obushushu agqithisileyo (umz., -40°C ukuya kwi-105°C) ezisetyenziselwa iimoto okanye ngaphandle.
- Iimfuno ezizodwa
Izisombululo ze-BMS ezingangeni manzi (IP67), ezingangeni uthuli, okanye ezingashukumiyo ziphucula ukuthembeka kwiindawo ezinobungozi.
Isiphelo
Ukukhetha i-lithium BMS efanelekileyo kufuna ukulinganisela iinkcukacha zobugcisa, amandla okukhusela, ubukrelekrele besoftware, kunye nokuziqhelanisa nokusingqongileyo. I-BMS ehambelana kakuhle ayithinteli nje kuphela ukungaphumeleli kodwa ikwaphucula ukusebenza kakuhle kwamandla kwaye yandisa ubomi bebhetri.
Ukuze ufumane izisombululo ezenzelwe wena, jonga iimveliso zethu zeBMS eziqinisekisiweyo ezenzelwe ukusetyenziswa kweebhetri ezahlukeneyo ze-lithium. Nxibelelana neqela lethu ukuze ufumane ehambelana neemfuno zakho!
Ixesha leposi: Meyi-04-2025
