Thaum koj txheeb xyuas cov xwm txheej roj teeb ntawm Bluetooth app, koj pom tiasqhov hluav taws xob ntawm ib qho ntawm cov hlwb yog qhov qis dua li ntawm lwm tus.
Piv txwv li, thaum lub zog ntawm cov hlwb feem ntau tseem nyob ib puag ncig 3.27 V, ib lub xov tooj ntawm tes tsuas yog 2.65 V. Tib lub sijhawm, koj lub laub golf lossis lub nkoj tsis muaj zog thaum nrawm, thiab koj lub forklift lossis lub zog khaws cia tam sim ntawd khiav tawm ntawm lub zog.
Tej zaum koj yuav xav tias muaj kev sib txuas - tias ib lub xov tooj tshwj xeeb tau ua tsis tiav thiab yuav tsum tau hloov pauv. Txawm li cas los xij, hauv kev muaj tiag, qhov hluav taws xob qis ntawm tes tsis tas txhais tau hais tias lub xov tooj ntawm tes tsis zoo.
Tsab ntawv xov xwm no yuav muab cov lus piav qhia ntxaws ntxaws txog qhov "BMS qhia Cov Hluav Taws Xob Hluav Taws Xob" txhais tau tias, nws cov laj thawj tshwm sim, kev tshuaj xyuas, kev daws teeb meem, thiab yuav ua li cas tiv thaiv cov teeb meem zoo sib xws. Qhov no yuav pab koj kuaj pom tseeb dua -voltage faults nyob rau hauvlithium{0}} ion roj teebthiab zam cov nqi kho tsis tsim nyog.
Nws txhais li cas thaum BMS Qhia Tsawg Cell Voltage?
Thaum koj pom tias qhov hluav taws xob ntawm ib lub xov tooj ntawm tes qis dhau ntawm koj lub xov tooj ntawm tes, tsis txhob dhia mus rau qhov xaus tias "lub xov tooj no tsis zoo." Ntxiv nrog rau cov teeb meem ntawm cov roj teeb sab hauv (xws li lub peev xwm ntawm tes tsis sib xws, kev tso tawm ntev ntev, cell aging, nce kev tiv thaiv sab hauv, thiab kev txawv txav ntawm tus kheej- tawm), muaj ob qhov xwm txheej uas tuaj yeem ua rau qhov tsis zoo ntawm tes: teeb meem nrog BMS cov ntaub ntawv tau cov kab thiab qhov kub thiab txias heev.
Thaum BMS qhia "Low Cell Voltage," nws tau ceeb toom rau tus neeg siv tias lub xov tooj ntawm tes tsis muaj zog nrog cov teeb meem kev ua haujlwm tau tshwm sim hauv pob roj teeb, thiab qhov ua rau ntawm qhov tsis zoo yuav tsum tau tshawb xyuas ntxiv.
Lithium-Ion roj teeb pob yog feem ntau tsim los ntawm ntau lub hlwb txuas nrog hauv koob. Piv txwv li, a48V LiFePO4 roj teebfeem ntau muaj 16 series- txuas 3.2V hlwb (16S), nrog rau tag nrho cov voltage ntawm kwv yees li 51.2V.Raws li ib txwm muaj, qhov voltage ntawm txhua lub xov tooj yuav tsum nyob twj ywm hauv qhov sib xws.
Piv txwv li:
Cell 1: 3.278 V
Cell 2: 3.281 V
Cell 3: 3.276 V
Cell 4: 3.280V
Qhov sib txawv voltage ntawm cov hlwb no tsawg heev, qhia tau hais tias zoo sib xws.
Txawm li cas los xij, yog tias cov xwm txheej hauv qab no tshwm sim:
Cell 1: 2.653 V
Cell 2: 3.265 V
Cell 3: 3.283 V
Qhov no qhia tau hais tias muaj teeb meem nrog thawj lub xov tooj ntawm tes hauv txoj hlua, vim tias qhov tso zis muaj peev xwm ntawm cov roj teeb series yog txiav txim siab los ntawm lub xov tooj ntawm tes nrog qhov qis tshaj plaws.
Txawm hais tias lwm lub hlwb tseem muaj nqi txaus, tag nrho cov roj teeb pob tuaj yeem ua rauKev tiv thaiv BMSvim lub cev tsis muaj zog.
Tej zaum koj yuav tau ntsib cov xwm txheej zoo sib xws: lub tsheb hluav taws xob dheev nres thaum tsav tsheb, lub tsheb golf dheev tsis tuaj yeem ua kom nrawm, lub forklift dheev nres tom qab ua haujlwm ib ntus, lossis RV lossis lub zog khaws cia tam sim ntawd khiav tawm ntawm lub zog.
Feem ntau ua rau qis qis qis hauv cov roj teeb lithium - Cov lus piav qhia ntxaws
Tom ntej no, cia peb saib ze dua ntawm qhov ua rau muaj qhov tsis tshua muaj hluav taws xob hauv ib txoj hlua ntawm tes raws li qhia los ntawm lithium -Ion roj teeb BMS:
1. BMS Voltage Sampling Teeb meem
Qee lub sij hawm, thaum BMS qhia qhov tsis tshua muaj hluav taws xob, nws tsis tas txhais tau tias qhovcov roj teeb muaj tiag tiag nyob rau hauv qis -voltage xeev; Qhov no tej zaum yuav yog vim muaj teeb meem nrog BMS cov ntaub ntawv tau txais qhov system.
BMS txuas mus rau txhua lub xov tooj ntawm tes ntawm cov xov hlau xaim thiab nyeem qhov voltage ntawm txhua txoj hlua ntawm tes. Yog tias cov xaim xaim xaim xoob lossis puas, BMS yuav nyeem cov ntaub ntawv tsis raug.
Piv txwv li, yog tias qhov tseeb ntawm tes hluav taws xob yog 3.28V, tab sis vim muaj teeb meem nrog cov xaim xaim, BMS thaum kawg qhia qhov voltage ntawm 2.60V. Yog li ntawd, nws yuav tsum tau siv ib tug multimeter los ntsuas qhov tseeb cell voltage thiaj li mus txog qhov tseeb xaus.
2. Tsawg-Tsuas Kub
Rau lithium{0}} roj teeb lithium, kev ua haujlwm ntawm qhov kub qis ib txwm yog qhov nyuaj.
Nyob rau hauv qis- qhov kub thiab txias, tus nqi ntawm cov tshuaj tiv thaiv nyob rau hauv cov roj teeb lub hlwb qeeb qeeb, ion kev txav mus los tsawg, thiab kev tiv thaiv sab hauv nce, ua rau poob qis.
Qhov teeb meem no tau tshaj tawm thaum lub roj teeb tawm ntawm cov hluav taws xob siab thiab tuaj yeem ua rau qis -voltage tiv thaiv feature ntawm lubBattery Management System. Qhov xwm txheej no feem ntau tshwm sim hauv tsheb hluav taws xob hauv thaj chaw txias,txias cia forklifts, sab nraum zoov lub zog cia tshuab, thiab kev siv dej hiav txwv thaum lub caij ntuj no.
Txawm li cas los xij, qee lub roj teeb lithium -ion tam sim no nyob rau hauv khw, xws liCoPow's LiFePO4 roj teeb, tuaj yeem nruab nrog lub tshuab cua sov tsis siv neeg uas tso cai rau lawv them thiab tawm ib txwm nyob ntawm -20 degree.
3. Tsis zoo ntawm tes
Cell sib xws yog hais txog qhov sib xws ntawm cov hlwb hais txog kev muaj peev xwm, kev tiv thaiv sab hauv, kev them nqi nkhaus, tawm nkhaus, thiab tus kheej- tus nqi tawm.
Yog tias lub roj teeb lithium -ion roj teeb siv Qib B lossis qis dua - cov cell zoo, qhov hluav taws xob ntawm tes qis li 2.653V yuav raug txiav txim siab. Hauv cov xwm txheej hnyav, cov hlwb yuav ua tsis tiav.
Yog li ntawd, peb tsis tuaj yeem ntxhov siab txaus thaum yuav khoomlithium hlau phosphate roj teeb, koj yuav tsum paub meej tias qhov chaw ntawm lub hlwb nrog tus neeg muag khoom thiab tshuaj xyuas lawv cov ntawv xeem.
CoPow siv cov khoom lag luam- tshiab, siab- zoo lithium hlau phosphate hlwb los ntawm cov tuam txhab ua lag luam, ua kom cov roj teeb ua haujlwm tau zoo los ntawm qhov chaw.
4. Roj teeb Cell Kev laus lossis kev puas tsuaj
Raws li lub sij hawm siv thiab tus naj npawb ntawm cov nqi - tso tawm mus ntxiv, lithium- ion roj teeb hlwb maj mam muaj hnub nyoog, ua rau muaj kev poob qis hauv lawv cov kev ua haujlwm tshuaj, uas tshwm sim raws li qhov txo qis hauv lub peev xwm thiab nce hauv kev ua haujlwm sab hauv.
Thaum lub roj teeb tso tawm, cov hnub nyoog laus tsis tuaj yeem tswj tau qhov tso zis ruaj khov zoo li lub cev ib txwm muaj, thiab muaj qhov tshwm sim siab uas qhov hluav taws xob poob yuav tshwm sim.
5. Kev tso tawm tob
Raws li peb tau hais nyob rau hauv lwm cov ntawv, lithium{0}} roj teeb lithium muaj peev xwm siv tau tiag tiag uas yog ntau tshaj 30% siab dua cov hlau lead-acid roj teeb thiab tuaj yeemUa kom qhov tob ntawm qhov tso tawm (DoD) ntawm 90%. Txawm hais tias qhov no tsis yog qhov teeb meem, ntau tus neeg siv tseem tso lub roj teeb tag.
Lithium -Ion roj teeb yuav tsum tsis txhob tshaj- tso tawm. Ntev dhau - tso tawm tuaj yeem ua rau ib lossis ntau lub hlwb puas.
Txij li thaum cov hlwb hauv lub pob roj teeb tsis tuaj yeem ua tau zoo ib yam, qhov zoo tshaj plaws uas peb tuaj yeem ua tau yog tswj kom muaj kev sib luag ntau li ntau tau. Yog li ntawd, lub xov tooj ntawm tes nrog lub peev xwm qis tshaj plaws yuav raug depleted ua ntej; Raws li kev tso tawm txuas ntxiv, nws qhov hluav taws xob yuav poob sai, thaum lub zog ntawm lwm lub hlwb tseem nyob rau theem siab dua.
6. Cell Imbalance
Thov nco ntsoov tias peb tab tom hais txog kev tsis sib xws ntawm tes, tsis yog ntawm tes tsis sib xws.
Ntawm no, peb xav qhia txog lub tswvyim: qhov sib txawv voltage. Piv txwv li, qhov siab tshaj plaws ntawm tes voltage yog 3.35V, thiab qis tshaj yog 2.80V.
Cell imbalance feem ntau yog tshwm sim los ntawm tsub zuj zuj ntawm lub sij hawm ntev - cycling. Yog tias qhov sib xws ntawm tes twb tsis zoo los pib nrog, thiab koj ua raws li 20/80 lossis 90 tus nqi them-txoj cai tsis ua haujlwmtag nrho cov nqi - tawm muslos ntawm 0% mus rau 100%, cov hlwb yuav maj mam ua tsis sib npaug.
Qhov xwm txheej no feem ntau tshwm sim hauv lithium{0}} ion roj teeb yam tsis muaj kev sib npaug. Niaj hnub no cov lithium- ion roj teeb feem ntau yog nruab nrog lub roj teeb ntse tswj lub peev xwmnquag los yog passively equalizing cov hlwb.
Yuav Ua Li Cas Txheeb Xyuas Qhov Ntsuas Hluav Taws Xob?
Tus txheej txheem tshuaj xyuas yog raws li nram no. Koj tuaj yeem sim nws tus kheej ua ntej. Yog tias koj pom tias nws nyuaj lossis dhau kev, thovtiv tauj peb, thiab peb R & D engineers yuav zoo siab los pab koj.
1. Tshawb xyuas Cov Ntaub Ntawv Tswj Cov Roj Teeb Hluav Taws Xob
Ua ntej, siv Bluetooth app txhawm rau txheeb xyuas qhov tseeb - lub sijhawm hluav taws xob ntawm txhua lub roj teeb los txiav txim siab seb pab pawg ntawm cov hlwb twg muaj qhov tsis zoo. Tom ntej no, soj ntsuam qhov sib txawv voltage ntawm cov hlwb.
Yog hais tias qhov sib txawv voltage tsuas yog ob peb kaum ntawm millivolts, nws yog nyob rau hauv ib txwm muaj; yog tias qhov sib txawv voltage nce mus txog ntau pua millivolts lossis ntau dua, nws qhia tau tias cov hlwb tau tsim teeb meem.
2. Tshawb xyuas BMS cov ntaub ntawv tau txais cables
Txhawm rau txheeb xyuas tias BMS cov ntaub ntawv tau txais cov cables ua haujlwm zoo, xyuas seb cov khoom sib txuas puas xoob, seb cov terminals puas muaj kev sib cuag zoo, seb cov hlua txuas puas puas, thiab seb cov pob qij txha puas ruaj ntseg.
3. Siv lub multimeter los ntsuas qhov tseeb cell voltage
Yog tias cov ntaub ntawv tau txais cov kab hluav taws xob ua haujlwm tau zoo, cov kauj ruam tom ntej yog siv multimeter los ntsuas qhov tseeb voltage ntawm cov xov tooj sib txuas los txiav txim qhov chaw ntawm qhov teeb meem.
Yog tias BMS qhia qhov voltage ntawm 2.65V, tab sis kev nyeem ntawv multimeter yog 3.28V, qhov no qhia tau hais tias lub xovtooj ntawm tes ua haujlwm ib txwm muaj thiab qhov teeb meem nyob nrog BMS; Kev tshuaj xyuas ntxiv ntawm cov ntaub ntawv tau txais cov cables yog xav tau.
4. Txheeb xyuas qhov rov qab ntawm lub xov tooj tom qab them nyiaj
Yog tias koj paub tseeb tias ib lub xovtooj ntawm tes tiag tiag nyob rau hauv qhov qis -voltage state, koj tuaj yeem sim rov them lub xov tooj ntawd cais thiab saib xyuas nws rov qab.
Yog tias qhov hluav taws xob tseem zoo ib yam tom qab rov them dua - nrog qhov sib txawv ntawm qhov tsawg dua 50 mV (0.05 V)- thiab tsis poob qis dua thaum siv ib txwm, qhov no yuav qhia tau tias lub xov tooj ntawm tes nws tus kheej tsis raug, tab sis qhov tsis txaus ntseeg tau tshwm sim ib ntus.
5. Tshawb xyuas cov roj teeb qhov sib txawv
Tom qab lees paub tias lub xovtooj ntawm tes yog qhov tseeb hauv qhov qis -voltage lub xeev, tsis txhob maj mus ua haujlwm; Nws yog qhov zoo tshaj rau kev kuaj xyuas qhov hluav taws xob sib faib thoob plaws tag nrho cov roj teeb pob kom pom tias lwm lub hlwb puas muaj teeb meem.
6. Txheeb xyuas cov roj teeb ua haujlwm hauv qab Load
Rau qee lub roj teeb lithium-ion roj teeb, tus kheej lub xov tooj hluav taws xob tso tawm hauv app yog qhov qub thaum lub roj teeb so. Txawm li cas los xij, thaum sim tso cov roj teeb tawm -tshwj xeeb tshaj yog thaum muaj hluav taws xob siab - cov khoom siv fais fab - muaj ntau yam teeb meem tshwm sim.
Thaum tsis ua haujlwm, qhov voltage ntawm tag nrho cov hlwb yog nyob ib ncig ntawm 3.3V. Txawm li cas los xij, ib zaug lub tsheb golf, nkoj, lossis forklift tau siv lub zog, qhov hluav taws xob ntawm ib lub xov tooj ntawm tes yuav poob mus rau 2.8V, qhia tias lub xov tooj ntawm tes sab hauv tau nce ntxiv thiab nws tsis tuaj yeem ua haujlwm siab - tam sim no cov zis.
Yuav Ua Li Cas Txhim Kho Lub Zog Hluav Taws Xob Hluav Taws Xob Hluav Taws Xob?
Tom qab kuaj xyuas, peb pom tias nws tsis tas yuav tsum tau hloov cov roj teeb hlwb. Peb twb paub lawm tias cov teeb meem qis -voltage nrog cov roj teeb roj teeb tuaj yeem daws tau los ntawm kev them rov qab, sib npaug ntawm kev them nyiaj thiab tso tawm, thiab kho cov teeb meem nrog BMS cov ntaub ntawv sau.
Cov txheej txheem tshwj xeeb yog raws li nram no:
1. Kho lossis hloov BMS sampling xov hlau
Yog tias qhov teeb meem tiag tiag nrog cov qauv xaim, koj tuaj yeem xaiv kho lossis hloov lawv, tom qab ntawd rov- nyeem BMS cov ntaub ntawv kom paub meej tias tag nrho cov xov tooj ntawm tes tau rov qab mus rau qhov qub.
Yog tias koj yog ib tus kws tshaj lij, koj tuaj yeem tshem tawm thiab rov ntxiv cov qauv txuas ntxiv, nruj cov ntsia hlau terminals, solder cov pob qij txha xoob, thiab tuav cov hlua khi. Yog tias koj pom tias qhov chaw davhlau ya nyob twg tau hloov xim dub lossis muaj xim ntsuab tooj liab, ntxuav cov terminals nrog lub tshuab hluav taws xob thiab tom qab ntawd ziab lawv nrog lint -dawb ntaub. Yog tias cov terminals puas lawm, lawv yuav tsum tau hloov nrog cov tshiab.
Thaum koj xaivCoPow LiFePO4 roj teeb, CoPow tuaj yeem hloov cov khoom tsis raug rau koj tam sim, thiab peb khaws cov khoom muag tag nrho ntawm cov khoom hloov. Txawm hais tias nws yog cov terminals lossis lwm yam khoom siv, peb yuav hloov nws nrog ib qho tshiab yog tias muaj teeb meem tshwm sim.
2. Recharge lub qis-voltage cell.
Koj tuaj yeem siv cov khoom siv hluav taws xob hloov kho DC kom rov them cov nqi hluav taws xob tsawg -voltage cell ntawm qhov tsis tshua muaj tam sim no, hauv kev sim los kho cov hluav taws xob ntawm tes mus rau qhov qub thiab txo qhov sib txawv voltage. Yog tias, tom qab rov them dua, lub xov tooj ntawm tes qhov hluav taws xob tseem nyob ruaj khov thaum tso tawm, koj tuaj yeem siv nws txuas ntxiv thiab saib xyuas nws ib ntus.
3. Ua lub roj teeb ntsuas
Sim siv BMS's active balancing feature, los yog ua ib tug tag nrho cov nqi - paug tawm mus rau restore lub cell voltage.
4. Hloov cov cell puas
Yog tias tsis muaj txoj hauv kev saum toj no ua haujlwm thiab cov hlwb tseem nyob ntawm qhov tsis tshua muaj hluav taws xob, peb pom zoo kom hloov lawv nrog cov tshiab.
Txawm hais tias qhov no tuaj yeem ua rau muaj teeb meem, lithium - ion roj teeb ua haujlwm ua ib chav tsev; Thaum hloov cov hlwb, koj yuav tsum siv cov hlwb los ntawm tib pawg, hom, thiab sib xws - tsis pub sib xyaw ntau hom.
Qhov teeb meem no yuav tsum tau hais ua ntej yuav yuav lub roj teeb, yog li nws yog ib qho tseem ceeb kom xaiv ib qho kev txhim khu kev qhaLiFePo4 roj teeb chaw tsim tshuaj paus.
Yuav ua li cas tiv thaiv cov teeb meem ntawm tes tsis tshua muaj hluav taws xob?
Thaum kawg, rau cov roj teeb uas tseem tsis tau pom qhov teeb meem no, peb kuj xav kom koj ua raws li kev tiv thaiv hauv qab no kom koj tsis txhob raug ntes yog tias muaj teeb meem tshwm sim.
1. Siv cov- cov roj teeb zoo uas muaj qhov sib xws
Ua ntej yuav lithium{0}} roj teeb lithium, koj yuav tsum xyuas kom meej lub hauv paus ntawm lub roj teeb lub hlwb thiab thov kom tus neeg muag khoom muab cov ntaub ntawv sib xws rau cov hlwb, suav nrog cov ntawv ceeb toom kev tiv thaiv sab hauv, cov ntawv tshaj tawm kev muaj peev xwm, thiab muaj peev xwm- txheeb xyuas thiab xov tooj ntawm tes- cov ntaub ntawv sib piv.
2. Tsis txhob tso qhov tob tob
Qhov no feem ntau yog hais txog kev saib xyuas kom tsis txhob cia lub roj teeb dhau - tso tawm thaum lub sijhawm ntev - khaws cia. Ua ntej cia, them lub roj teeb txog li 50%; tsis tas yuav them tag nrho.
Rau lithium hlau phosphate (LiFePO4) roj teeb, tsuas yog xyuas cov nqi them ib hlis ib zaug kom ntseeg tau tias nws tsis poob qis dua 10%. Qee tus tswv ntawm lub laub golf thiab nkoj nuv ntses feem ntau saib qhov no thaum lub caij ntuj no.
3. Siv lub Charger kom raug
Tsis txhob sib xyaw cov hmoov lead-acid roj teeb chargers nrog lithium-ion roj teeb chargers.Kev siv lead ua-acid roj teeb charger los them lub roj teeb lithium-ion roj teeb tsis tuaj yeem ua rau muaj teeb meem sab hauv nrog lub roj teeb tab sis kuj tseem tuaj yeem ua rau tag nrho cov roj teeb puas.
4. Khaws cov roj teeb kom zoo
Ib ntus ua kom them tag nrho - lub voj voog tawm - ntawm 0% mus rau 100% - ntawm lithium - ion roj teeb uas tsis muaj qhov ntsuas ntsuas. Yog tias koj lub BMS muaj peev xwm sib npaug thiab tsis muaj zog, koj tuaj yeem sib npaug ntawm lub roj teeb manually.
CoPow's lithium hlau phosphate roj teeb tau nruab nrog lub roj teeb ntse tswj thiab muaj peev xwm ua kom muaj zog thiab ua haujlwm ntawm tes sib npaug.
5. Ua ntej siv lub roj teeb hauv qhov chaw txias, koj yuav tsum xub tso cai rau nws rov qab mus rau chav sov.
Ntau lub lithium-ion roj teeb tsis muaj qhov ua kom sov ua ntej, uas tsis tuaj yeem lees txais rau cov neeg siv hauv thaj chaw txias. CoPow tuaj yeem nruab lub tshuab cua sov tsis siv neeg rau koj uas tswj tau qhov kub thiab txias yam tsis tas yuav tsum tau ua haujlwm, txuag koj ob lub sijhawm thiab kev siv zog.
Xaus
Thaum BMS qhia "Low Cell Voltage," nws tsis tas txhais tau tias lub xov tooj puas lawm. Qhov ua rau muaj qhov tsis tshua muaj hluav taws xob hauv ib txoj hlua ntawm tes suav nrog cov ntaub ntawv BMS txawv txav, tsis zoo ntawm tes, kev laus ntawm tes, kev tso tawm ntev ntev, cell imbalance, thiab cov teebmeem ntawm qhov qis - qhov kub thiab txias.
Qhov kev txiav txim kom raug yog thawj zaug txheeb xyuas qhov tseeb ntawm BMS cov ntaub ntawv, tom qab ntawd txiav txim siab seb qhov teeb meem yog tshwm sim los ntawm BMS malfunction, cell imbalance, los yog poob ntawm lub cell kev ua tau zoo los ntawm kev tshuaj xyuas cov ntaub ntawv tau txais circuitry, ntsuas qhov tseeb cell voltage, thiab soj ntsuam qhov rov qab tom qab recharge.
Rau lithium-Ion roj teeb lub tshuab tsim los rau ntev- lub sijhawm ua haujlwm ruaj khov, siab- cov hlwb sib raug zoo, BMS txhim khu kev qha, thiab kev them nqi thiab kev tso tawm kom zoo yog txhua yam tseem ceeb. Kev tshuaj xyuas cov cell noj qab haus huv, zam dhau - tso tawm, thiab xaiv cov khoom siv roj teeb uas muaj kev ntseeg siab tuaj yeem txo qhov kev pheej hmoo ntawm "Low Cell Voltage" teeb meem thiab txuas ntxiv lub roj teeb lub neej.
CoPow yog ibKev cob qha LiFePo4 roj teeb chaw tsim tshuaj paus. Yog tias koj muaj lus nug ntxiv, thov koj xav tiv taujtiv tauj pebthaum twg los tau.
