1.Passive equalization

Passive sib npaug feem ntau tso tawm qhov hluav taws xob ntau dua lithium-ion roj teeb los ntawm kev tiv thaiv tawm, tso lub zog hauv daim ntawv ntawm tshav kub mus yuav ntau lub sijhawm them rau lwm cov roj teeb. Txoj kev no lub zog ntawm tag nrho lub cev raug txwv los ntawm lub roj teeb uas muaj peev xwm tsawg kawg nkaus. Thaum lub sijhawm them nyiaj, cov roj teeb lithium-ion feem ntau muaj tus nqi txwv tiv thaiv tus nqi hluav taws xob, thaum ib txoj hlua ntawm cov roj teeb nce mus txog qhov nqi hluav taws xob no, lub lithium-ion roj teeb tiv thaiv lub rooj tsavxwm yuav txiav tawm lub charger Circuit Court thiab nres them. Yog hais tias lub charger voltage tshaj qhov nqi no, uas feem ntau hu ua overcharge, lub lithium-ion roj teeb yuav hlawv los yog tawg. Yog li ntawd, lithium-ion roj teeb tiv thaiv vaj huam sib luag feem ntau nruab nrog kev tiv thaiv overcharge los tiv thaiv lub roj teeb los ntawm overcharged.

Qhov kom zoo dua ntawm passive equalization yog tus nqi qis thiab kev tsim hluav taws xob yooj yim; thiab qhov tsis zoo yog tias qhov tsawg kawg nkaus ntawm cov roj teeb seem yog siv los ua tus qauv rau kev sib npaug, yog li nws tsis tuaj yeem ua kom lub peev xwm ntawm cov roj teeb uas muaj tsawg dua, thiab 100% ntawm lub zog sib npaug yog nkim rau hauv daim ntawv ntawm tshav kub.

2. Active sib npaug

Active sib npaug yog sib npaug los ntawm kev hloov hluav taws xob nrog kev ua haujlwm siab thiab poob qis. Txoj kev sib txawv ntawm cov chaw tsim khoom rau cov chaw tsim khoom thiab qhov sib npaug tam sim no txawv ntawm 1 txog 10?A. Ntau yam ntawm cov cuab yeej sib luag sib luag tam sim no muaj nyob rau hauv kev ua lag luam yog qhov tsis paub qab hau, ua rau kev tso tawm ntau dhau thiab ua kom lub roj teeb nrawm nrawm. Feem ntau ntawm cov nquag sib npaug ntawm kev ua lag luam siv lub hauv paus ntsiab lus ntawm qhov sib txawv ntawm qhov hluav taws xob, tso siab rau cov chips kim ntawm chip manufacturers. Thiab txoj kev no, ntxiv rau qhov sib npaug nti, tab sis kuj tseem kim transformers thiab lwm yam khoom siv peripheral, loj dua thiab kim dua.

Cov txiaj ntsig ntawm kev sib txig sib luag yog qhov pom tseeb: kev ua haujlwm siab, lub zog raug xa mus, qhov poob tsuas yog qhov poob ntawm transformer coil, suav rau ib feem me me; Kev sib npaug tam sim no tuaj yeem tsim kom ncav cuag ob peb amps lossis txawm tias qib 10A, cov nyhuv sib npaug yog nrawm. Txawm hais tias cov txiaj ntsig zoo li no, kev sib luag sib luag tseem ua rau muaj teeb meem tshiab. Ua ntej, cov qauv yog complex, tshwj xeeb tshaj yog txoj kev transformer. Yuav ua li cas los tsim lub hloov matrix rau ntau los yog ntau pua txoj hlua ntawm cov roj teeb, thiab yuav ua li cas tswj tus tsav tsheb, yog txhua yam mob taub hau. Tam sim no tus nqi ntawm BMS nrog active sib npaug muaj nuj nqi yuav ntau dua li ntawm passive vaj huam sib luag, uas kuj txwv kev nce qib ntawm active equalization BMS ntau los yog tsawg.

Passive equalization yog tsim rau me me, tsawg-series lithium-ion roj teeb pob daim ntaub ntawv, thaum muaj kev sib npaug sib npaug yog tsim rau high-series, muaj peev xwm muaj peev xwm lithium-ion roj teeb pob daim ntawv thov. Rau BMS, dhau li ntawm kev sib luag muaj nuj nqi tseem ceeb heev, lub tswv yim sib npaug qab yog qhov tseem ceeb dua.

Lithium-ion roj teeb tiv thaiv board vaj huam sib luag txoj cai

Feem ntau siv cov txheej txheem sib npaug sib npaug suav nrog qhov tsis tu ncua shunt resistor equalization charging, on-off shunt resistor equalization charging, nruab nrab cell voltage equalization charging, switched capacitor equalization charging, puck converter equalization charging, inductor equalization charging, etc. Thaum them lithium-ion roj teeb hauv series nyob rau hauv pab pawg, txhua lub roj teeb yuav tsum tau lees tias yuav tsum tau them nyiaj sib npaug, txwv tsis pub kev ua haujlwm thiab lub neej ntawm tag nrho cov roj teeb yuav raug cuam tshuam thaum siv.