Xyoo 2025, ntau tshaj 68% ntawm cov teeb meem roj teeb hluav taws xob ob lub log tau raug tshawb pom los ntawm Lub Tshuab Tswj Xyuas Roj Teeb (BMS), raws li cov ntaub ntawv International Electrotechnical Commission. Lub voj voog tseem ceeb no saib xyuas cov hlwb lithium 200 zaug hauv ib ob, ua peb txoj haujlwm cawm txoj sia:
1Voltage Sentinel
• Kev Cuam Tshuam Overcharge: Txo lub zog ntawm >4.25V/cell (piv txwv li, 54.6V rau 48V pob) tiv thaiv kev puas tsuaj ntawm electrolyte
• Kev Cawm Dim Tsis Tau Hluav Taws Xob: Yuam kom pw tsaug zog ntawm <2.8V/cell (piv txwv li, <33.6V rau 48V systems) tiv thaiv kev puas tsuaj uas tsis rov qab los tau
2. Kev Tswj Xyuas Tam Sim No
| Qhov Xwm Txheej Txog Kev Pheej Hmoo | Lub Sijhawm Teb rau BMS | Tiv Thaiv Tau Qhov Tshwm Sim |
|---|---|---|
| Kev nce toj siab ntau dhau | Tam sim no txwv rau 15A hauv 50ms | Kev hlawv ntawm tus maub los |
| Kev tshwm sim luv luv | Circuit Court tawg hauv 0.02s | Kev khiav tawm ntawm lub cell thermal |
3. Kev Saib Xyuas Kub Ntsig
- 65°C: Kev txo hwj chim tiv thaiv electrolyte kom tsis txhob kub dhau
- <-20 ° C: Ua kom cov cell sov ua ntej them kom tsis txhob muaj lithium plating
Txoj Cai Triple-Check
① MOSFET suav: ≥6 parallel MOSFETs kov 30A+ tso tawm
② Kev Sib Npaug Tam Sim No: >80mA txo qhov sib txawv ntawm lub peev xwm ntawm tes
③ BMS tiv taus dej nkag
Kev Zam Txim Tseem Ceeb
① Tsis txhob them cov BMS boards uas raug hluav taws (kev phom sij ntawm hluav taws nce 400%)
② Tsis txhob hla dhau cov kev txwv tam sim no ("tooj liab hlau mod" voids tag nrho kev tiv thaiv)
"Qhov sib txawv ntawm qhov hluav taws xob ntau tshaj 0.2V ntawm cov cell qhia tias BMS yuav tsis ua haujlwm sai sai," Dr. Emma Richardson, tus kws tshawb fawb txog kev nyab xeeb ntawm EV ntawm UL Solutions ceeb toom. Kev kuaj xyuas qhov hluav taws xob txhua hli nrog multimeters tuaj yeem ua rau lub pob khoom siv tau ntev dua 3 zaug.
Lub sijhawm tshaj tawm: Lub Yim Hli-16-2025
