Sannadkii 2025, in ka badan 68% shilalka baytariyada laba-taayirlaha ah ee korontada ku shaqeeya ayaa lagu ogaaday inay waxyeello soo gaartay Nidaamyada Maareynta Baytariyada (BMS), sida laga soo xigtay xogta Guddiga Caalamiga ah ee Elektroteknolojiyadda. Wareeggan muhiimka ah wuxuu la socdaa unugyada lithium 200 jeer ilbiriqsi kasta, isagoo fulinaya saddex hawlood oo badbaadinaya nolosha:
1Sentinel-ka danabka
• Ka-hortagga xad-dhaafka ah: Waxay korontada ka jartaa >4.25V/unug (tusaale ahaan, 54.6V baakadaha 48V) iyadoo ka hortageysa kala-baxa elektrolaytka
• Badbaadinta Danab-yaraanta: Waxay ku qasbeysaa habka hurdada ee <2.8V/unug (tusaale ahaan, <33.6V nidaamyada 48V) taasoo ka hortageysa waxyeello aan laga soo kaban karin
2. Xakamaynta Hadda ee Firfircoon
| Xaaladda Khatarta | Waqtiga Jawaab celinta BMS | Cawaaqibta laga hortagay |
|---|---|---|
| Ciriiriga fuulitaanka buuraha | Xadka hadda jira ee 15A ee 50ms | Gubashada xakamaynta |
| Dhacdo gaaban oo wareeg ah | Kala go'idda wareegga 0.02s | Ka baxsashada kulaylka unugyada |
3. Kormeerka Kulaylka Caqliga leh
- 65°C: Yaraynta korontada waxay ka hortagtaa karkaraya elektrolytka
- <-20°C: Waxay kululeysaa unugyada ka hor inta aysan dallacin si looga fogaado dahaadhka lithium-ka
Mabda'a Saddex-Hubinta
① Tirada MOSFET: ≥6 MOSFETs oo is barbar socda oo leh 30A+ dheecaan
② Isku dheelitirka Hadda: > 80mA waxay yareysaa kala duwanaanshaha awoodda unugyada
③ BMS waxay u adkaysataa soo gelitaanka biyaha
Ka fogaanshaha Muhiimka ah
① Waligaa ha ku dallacin looxyada BMS ee bannaan (khatarta dabku waxay korodhaa 400%)
② Ka fogow inaad ka gudubto xaddidaadaha hadda jira ("mod siligga naxaasta ah" wuxuu baabi'iyaa dhammaan ilaalinta)
"Kala duwanaanshaha danabka ee ka badan 0.2V ee u dhexeeya unugyada ayaa muujinaya in BMS uu soo dhawaanayo," ayay ka digtay Dr. Emma Richardson, oo ah cilmi-baare ku takhasusay badbaadada EV-ga ee UL Solutions. Hubinta danabka bille ah ee multimeters-ka ayaa kordhin kara cimriga xirmada 3 jeer.
Waqtiga boostada: Agoosto-16-2025
