Lithium roj teeb tau siv dav hauv cov khoom zoo li smartphones, hluav taws xob tsheb, thiab hnub ci zog thiab hnub ci zog. Txawm li cas los xij, them lawv tsis raug tuaj yeem ua rau muaj kev nyab xeeb lossis kev puas tsuaj tas mus li.
WHy Siv cov nqi hluav taws xob ntau dua yog qhov pheej hmoo thiabYuav ua li cas tswj roj teeb (BMS) tiv thaiv cov roj teeb lithium?
Qhov phom sij ntawm overcharging
Cov roj teeb lithium muaj kev nruj voltage txwv. Piv txwv li:
.ALIFEPO4(Lithium iron phosphate) Cell muaj cov nominal voltage ntawm3.2Vthiab yuav tsumTsis txhob tshaj 3.65vThaum tag nrho them
.ALi-ion(Lithium cobalt) cell, muaj ntau hauv xov tooj, ua haujlwm ntawm3.7vthiab yuav tsum nyob hauv qab4.2v
Siv lub charger nrog lub zog ntau dua li cov roj teeb qhov txwv tsis pub tshaj rau hauv lub hlwb. Qhov no tuaj yeem ua rauoverheating,kev o, los yog txawmThermal khiav khiav-A txaus ntshai cov tshuaj tiv thaiv cov tshuaj tiv thaiv qhov twg lub roj teeb ntes hluav taws lossis tawg
Yuav ua li cas ib tug bms txuag hnub
Lub tshuab tswj roj teeb (BMS) ua zoo li "tus saib xyuas" rau cov roj teeb lithium. Ntawm no yog li cas nws ua haujlwm:
1.Kev Tswj Xyuas
Lub BMS saib txhua lub xovtooj ntawm lub xov tooj. Yog tias qhov ntau dua-voltage them txuas nrog, lub bms ntes overvoltage thiabKev txiav tawm cov nqi them rau Circuit CourtTxhawm rau tiv thaiv kev puas tsuaj
2.Cov kev cai kub
Kev them nyiaj ceev ceev lossis overcharging generates tshav kub. Lub BMS khiav kub thiab txo cov nqi them sai lossis nres them yog tias lub roj teeb tau kub113.
3.Ntawm tes Ntsuas
Hauv cov roj teeb ntau (zoo li 12v lossis 24v pob), qee cov xov tooj hlwb them sai dua li lwm tus. BMS suav lub zog kom ntseeg tau tias txhua lub hlwb mus txog qhov sib piv, tiv thaiv overcharging hauv cov hlwb muaj zog
4.Kev Nyab Xeeb Kev Nyab Xeeb
Yog hais tias BMS pom cov teeb meem zoo li huab kub dhau los yog voltage spikes, nws disconnect cov roj teeb siv cov khoom xws liMosfets(hluav taws xob hloov khoom) lossistus neeg sau npe(kho tshuab relays)
Txoj hauv kev los them cov roj teeb lithium
Ib txwm siv lub chargertxuam koj lub roj teeb voltage thiab chemistry.
Piv txwv li:
12V lifepo4 roj teeb (4 hlwb nyob rau hauv series) xav tau Charger nrog a14.6V Qhov Tseem Ceeb Tshaj Plaws(4 × 3.65v)
Ib qho 7.4V Li-ion pob (2 hlwb) yuav tsum muaj8.4v them nyiaj
Txawm hais tias ib tug BMS tam sim no, siv cov charger cuam tshuam kev ntxhov siab. Thaum lub sijhawm BMS tuaj yeem cuam tshuam, rov ua dua qhov kev sib kis tau ua rau nws cov khoom siv tsis muaj zog dhau sijhawm
Tag
Lithium roj teeb muaj zog tab sis ilv. IbHigh-Zoo BMSyog qhov tseem ceeb kom muaj kev nyab xeeb, ua haujlwm, thiab ntev. Thaum nws tuaj yeem tiv thaiv ib ntus tawm tsam cov nqi hluav taws xob ntau dua, cia siab rau qhov no muaj kev pheej hmoo. Yuav tsum siv cov roj roj hluav taws xob raug hluav taws xob yog siv hluav taws xob raug (thiab kev nyab xeeb) yuav ua tsaug!
Nco ntsoov: Ib BMS zoo li txoj siv sia. Nws yog muaj los cawm koj thaum muaj xwm txheej ceev, tab sis koj tsis txhob sim nws txwv!
Lub sijhawm Post: Feb-07-2025
