Kusarudza lithium Battery Management System (BMS) yakakodzera kwakakosha pakuchengetedza, kushanda, uye kugara kwenguva refu kwebhatiri rako. Kunyangwe uri kushandisa magetsi emagetsi, mota dzemagetsi, kana nzira dzekuchengetedza simba, heino gwara rakazara rekukubatsira kuita sarudzo ine ruzivo:
1. Sarudza Magadzirirwo Ebhatiri
Tanga nekunzwisisa hunhu hwebhatiri rako kuti uve nechokwadi chekuti rinoenderana neBMS:
- Rudzi rweBhatiri
Ziva kemikari yebhatiri re lithium:Ternary Lithium (NCM/NCA),LiFePO4 (LFP), kana zvimwe. Rudzi rumwe nerumwe rune mapurofayiro emagetsi akasiyana uye zvinodiwa zvekuchengetedza.
Muenzaniso: Mabhatiri eTernary lithium (3.7V nominal) anoda dziviriro chaiyo yekuchaja zvakanyanya (≤4.25V), nepo LiFePO4 (3.2V nominal) ichishanda zvakachengeteka kusvika ku3.65V.
- Kugona (Ah)
Enzanisa maBMSkuenderera mberi uye peak discharge currentzvichienderana nekukwanisa kwebhatiri rako. Mabhatiri ane simba guru anoda mayuniti eBMS ane simba rakasimba rekubata magetsi.
- Rudzi rweVoltage
Simbisa kuti voltage yeBMS inofukidza bhatiri rakovoltage yezita,voltage yakazara yekuchajauyevoltage shoma yekuburitsa. Kusawirirana kwemhando dzakasiyana kunogona kukanganisa kukuvara kana kudzikira kwekushanda zvakanaka.
BMS yakavimbika inofanira kuchengetedza nekuvandudza mashandiro ebhatiri kuburikidza ne:
- Dziviriro Yekubhadharisa Zvakawandisa
Inodzivirira otomatiki kuchaja kana voltage ikapfuura miganhu yakachengeteka (semuenzaniso, 4.3V ye ternary lithium).
- Dziviriro Yekubuda Mumvura Zvakawandisa
Inomisa kuburitswa kwemagetsi magetsi asati adzika pasi pemiganhu yakakosha (semuenzaniso, 2.5V ye ternary lithium) kudzivirira kuparara kwemasero.
- Dziviriro yeMagetsi Akawandisa uye Mapfupi
Inoona magetsi akawandisa kana mapfupi (nguva yekupindura: <100μs) kudzivirira kupisa kuti kusashande zvakanaka.
- Kuenzanisa Masero
Kuenzanisa kusingashandeinobvisa simba rakawandisa sekupisa (zvisingadhuri pamapaketi madiki).
Kuenzanisa kwakasimbainogovera simba pakati pemasero (yakanakira masisitimu makuru, ichivandudza hupenyu hwemuviri).
- Zvinhu Zvepamusoro
Kutarisa Kwemamiriro Ezvinhu (SOC): Inonyatsotevera huwandu hwebhatiri hwasara.
Kutarisira Tembiricha: Inotarisa uye inotonga tembiricha yemasero kudzivirira kupisa zvakanyanya.
Nzvimbo dzekutaurirana: Inotsigira CAN bus, UART, kana Bluetooth kuti iwane ruzivo rwechokwadi uye kuongororwa kwedata.
3. Ongorora Hunhu uye Kuvimbika
Isa mari muBMS inovimbisa kugara kwenguva refu uye kutevedzera mitemo:
- Mabhuroko Ane Mutsindo
Sarudza vagadziri vane hunyanzvi hwakaratidzwa mukugadzira nekupa zvitupa zveBMS (semuenzaniso, UL, CE, ISO 26262 yemotokari).
- Hunhu hwekuvaka
Yepamusoro-soroZvinhu zvePCB, kukwesha kwakanyatsogadzirwa, uye zvikamu zvepamusoro (semuenzaniso, maMOSFET anoshanda zvakanyanya) zvinovimbisa kugadzikana uye kushanda zvakanaka kwekupisa.
- Software uye Magadzirirwo
Software yepamusoro yeBMS inobvumira kufungidzira kwakarurama kweSOC, kuongororwa kwezvikanganiso, uye kugadziriswa kwefirmware.
4. Zvinodiwa zveMamiriro Ekunze uye Mashandisirwo
Gadzirisa sarudzo yako zvichienderana nemamiriro ekushandisa:
- Saizi uye Kubatanidzwa
Mayunitsi eBMS akamanikana anokodzera mashandisirwo asina nzvimbo yakawanda, nepo magadzirirwo emodular achirerutsa kukura kwemasisitimu emaindasitiri.
- Kutsungirira Tembiricha
Sarudza mayuniti eBMS akaongororwa tembiricha yakanyanya (semuenzaniso, -40°C kusvika 105°C) ekushandisa mumotokari kana panze.
- Zvinodiwa Zvakakosha
Mhinduro dzeBMS dzisingapindi mvura (IP67), dzisingapindi guruva, kana kuti dzinodzivirira kudedera dzinowedzera kuvimbika munzvimbo dzakaoma.
Mhedziso
Kusarudza lithium BMS yakakodzera kunoda kuyera hunyanzvi hwemagetsi, kugona kwekudzivirira, ruzivo rwesoftware, uye kuchinjika kwezvakatipoteredza. BMS inoenderana zvakanaka haingodziviriri kutadza kushanda chete asiwo inovandudza mashandiro esimba uye inowedzera hupenyu hwebhatiri.
Kuti uwane mhinduro dzakagadzirirwa iwe, tarisa zvigadzirwa zvedu zveBMS zvine certification zvakagadzirirwa kushandiswa kwakasiyana-siyana kwemabhatiri e lithium. Bata timu yedu kuti uwane zvinoenderana nezvaunoda!
Nguva yekutumira: Chivabvu-04-2025
