Ho khetha mokhoa o nepahetseng oa lithium Battery Management System (BMS) ho bohlokoa ho netefatsa polokeho, ts'ebetso le nako e telele ea sistimi ea betri ea hau. Hore na o matlafatsa lisebelisoa tsa motlakase tsa bareki, likoloi tsa motlakase, kapa litharollo tsa polokelo ea matla, tataiso e felletseng ke ena e tla u thusa ho etsa qeto u na le tsebo:
1. Fumana Litlhaloso tsa Battery
Qala ka ho utloisisa litšobotsi tsa mantlha tsa betri ea hau ho netefatsa hore e sebelisana le BMS:
- Mofuta oa Leshala
Hlalosa chemistry ea betri ea lithium:Ternary Lithium (NCM/NCA),LiFePO4 (LFP), kapa tse ling. Mofuta o mong le o mong o na le li-profiles tse ikhethang tsa voltage le litlhoko tsa polokeho.
Mohlala: Libetri tsa Ternary lithium (3.7V nominal) li hloka tšireletso e nepahetseng e feteletseng (≤4.25V), ha LiFePO4 (3.2V nominal) e sebetsa ka mokhoa o sireletsehileng ho fihlela ho 3.65V.
- Bokhoni (Ah)
Bapisa le tsa BMSphepelo e tsoelang pele le tlhoro ya ho ntsha metsika matla a betri ea hau. Libetri tsa boemo bo holimo li hloka li-unit tsa BMS tse nang le bokhoni bo matla ba ho sebetsana le hona joale.
- Range ea Voltage
Netefatsa hore motlakase oa BMS o akaretsa betri ea haumatla a lebitso,motlakase o feletseng, lebonyane ba motlakase oa ho ntša. Mekhahlelo e sa lumellaneng ea tšenyo ea kotsi kapa ts'ebetso e fokotsehileng.
BMS e tšepahalang e tlameha ho sireletsa le ho ntlafatsa ts'ebetso ea betri ka:
- Tšireletso e Felletseng
E fokotsa ho tjhaja ka boyona ha motlakase o feta tekanyo e sireletsehileng (mohlala, 4.3V bakeng sa ternary lithium).
- Tšireletso ea Phallo e Felletseng
E emisa ho tsoa pele motlakase o theoha ka tlase ho menyako ea bohlokoa (mohlala, 2.5V bakeng sa ternary lithium) ho thibela ho senyeha ha lisele.
- Tšireletso ea Overcurrent le Short-Circuit
E lemoha li-circuits tse feteletseng tsa hona joale kapa tse khutšoanyane (nako ea ho arabela: <100μs) ho thibela ho baleha ha mocheso.
- Ho leka-lekanya lisele
Ho leka-lekanya ho sa tloaelehange senya matla a feteletseng joalo ka mocheso (o theko e boima bakeng sa lipakete tse nyane).
Ho leka-lekanya ka mafolofoloe fana ka matla lipakeng tsa lisele (tse loketseng litsamaiso tse kholo, ho ntlafatsa nako ea bophelo).
- Lintlha tse tsoetseng pele
Tlhokomelo ea Boemo ba Ts'ebetso (SOC).: E latela ka nepo matla a betri a setseng.
Taolo ea Mocheso: E beha leihlo le ho laola mocheso oa lisele ho thibela mocheso o feteletseng.
Li-interface tsa puisano: E ts'ehetsa bese ea CAN, UART, kapa Bluetooth bakeng sa tlhaiso-leseling ea nako ea nnete le tlhahlobo.
3. Hlahloba Boleng le Tšepahala
Tsetela ho BMS e netefatsang ho tšoarella le ho latela melao:
- Lihlahisoa tse Hlomphehang
Khetha bahlahisi ba nang le boiphihlelo bo netefalitsoeng ba moralo le litifikeiti tsa BMS (mohlala, UL, CE, ISO 26262 bakeng sa likoloi).
- Haha Boleng
Boemo bo phahamengLisebelisoa tsa PCB, ho cheseletsa ka mokhoa o nepahetseng, le likarolo tsa premium (mohlala, li-MOSFET tse sebetsang hantle haholo) li netefatsa botsitso le ts'ebetso ea mocheso.
- Software le algorithms
Software ea BMS e tsoetseng pele e etsa hore ho be le khakanyo e nepahetseng ea SOC, tlhahlobo ea liphoso le liapdeite tsa firmware.
4. Kopanya Litlhoko tsa Tikoloho le Ts'ebeliso
Fetola khetho ea hau ho latela maemo a ts'ebeliso:
- Boholo le Kopanyo
Likarolo tsa Compact BMS li lumellana le lits'ebetso tse haelloang ke sebaka, ha meralo ea modular e nolofatsa sekhahla sa lits'ebetso tsa indasteri.
- Ho mamellana ha Mocheso
Kgetha diyuniti tsa BMS tse kentsweng dithempereichara tse feteletseng (mohlala, -40°C ho ya ho 105°C) bakeng sa tshebediso ya koloi kapa kantle.
- Litlhoko tse khethehileng
Litharollo tsa BMS tse sa keneleng metsi (IP67), tse sa keneleng lerole, kapa tse hananang le ho sisinyeha li matlafatsa ts'epahalo libakeng tse thata.
Qetello
Ho khetha BMS e nepahetseng ea lithium ho hloka ho leka-lekanya lintlha tsa tekheniki, bokhoni ba ts'ireletso, bohlale ba software, le maemo a tikoloho. BMS e tsamaellanang hantle ha e thibele ho hloleha feela empa e boetse e ntlafatsa ts'ebetso ea matla le ho lelefatsa bophelo ba betri.
Bakeng sa litharollo tse ikhethileng, hlahloba lihlahisoa tsa rona tse netefalitsoeng tsa BMS tse etselitsoeng lits'ebetso tse fapaneng tsa betri ea lithium. Ikopanye le sehlopha sa rona ho fumana papali e phethahetseng bakeng sa litlhoko tsa hau!
Nako ea poso: May-04-2025
