Qhov kub puas cuam tshuam rau kev siv tus kheej ntawm cov roj teeb tiv thaiv? Wb tham txog Zero-Drift Current

Hauv cov roj teeb lithium, qhov tseeb ntawm SOC (State of Charge) kev kwv yees yog qhov ntsuas tseem ceeb ntawm Battery Management System (BMS) kev ua tau zoo. Nyob rau hauv ib puag ncig kub sib txawv, txoj haujlwm no yuav nyuaj dua. Niaj hnub no, peb dhia mus rau hauv ib qho kev hloov maj mam tab sis tseem ceeb lub tswv yim -xoom-drift tam sim no, uas cuam tshuam rau SOC kev kwv yees qhov tseeb.

Zero-Drift Tam sim no yog dab tsi?

Zero-drift tam sim no hais txog qhov tsis tseeb tam sim no teeb liab tsim nyob rau hauv lub amplifier circuit thaum muajxoom input tam sim no, tab sis vim yog yam zoo likub hloov los yog fais fab mov instability, qhov chaw ua haujlwm zoo li qub ntawm lub amplifier hloov. Qhov kev hloov pauv no tau txais kev nthuav dav thiab ua rau cov khoom tsim tawm los ntawm nws qhov kev xav zero tus nqi.

Txhawm rau piav qhia yooj yim, xav txog lub chav da dej digital qhia5 kg ntawm qhov hnyav ua ntej leej twg txawm nqis rau nws. Qhov "dab" qhov hnyav yog sib npaug rau xoom-drift tam sim no - lub teeb liab uas tsis muaj nyob.

01

Vim li cas thiaj muaj teeb meem rau Lithium roj teeb?

SOC hauv lithium roj teeb feem ntau suav nrog sivsuav suav, uas integrates tam sim no nyob rau lub sij hawm.
Yog tias zero-drift tam sim nozoo thiab pheej, nws maycuav tsa SOC, tricking lub kaw lus xav tias lub roj teeb tau them ntau dua li qhov nws ua tau - tejzaum nws txiav tawm them ntxov ntxov. Hloov pauv,tsis zoo drifttuaj yeem ua rauunderestimated SOC, ua rau muaj kev tiv thaiv tawm thaum ntxov.

Nyob rau tib lub sijhawm, cov kev ua yuam kev no txo qis kev ntseeg siab thiab kev nyab xeeb ntawm lub roj teeb system.

Txawm hais tias xoom-drift tam sim no tsis tuaj yeem tshem tawm tag nrho, nws tuaj yeem txo tau zoo los ntawm kev sib xyaw ua ke:

02 ib
  • Kho vajtse optimization: Siv tsawg-drift, high-precision op-amps thiab cov khoom siv;
  • Algorithmic them nyiaj: Dynamically kho rau drift siv real-time cov ntaub ntawv xws li kub, voltage, thiab tam sim no;
  • Kev tswj cua sov: Optimize layout thiab tshav kub dissipation kom txo thermal imbalance;
  • High-precision hnov: Txhim kho qhov tseeb ntawm qhov ntsuas qhov tseem ceeb (cell voltage, pob voltage, kub, tam sim no) kom txo qhov kev kwv yees yuam kev.

Hauv kev xaus, precision hauv txhua microamp suav. Tackling xoom-drift tam sim no yog ib kauj ruam tseem ceeb rau kev tsim kom muaj kev txawj ntse thiab txhim khu kev qha roj teeb tswj cov tshuab.


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