Yog tias koj tau pom lub roj teeb lithium laus tsis sib npaug - qee lub cell ntawm 4.1V thaum lwm tus nyob ntawm 3.6V - koj twb nkag siab lawm vim li cas kev sib npaug tseem ceeb. Lo lus nug tsis yog seb puas yuav sib npaug, tab sis yuav ua li cas thiaj sib npaug, thiab qhov kev xaiv ntawd raug nqi ntau npaum li cas thoob plaws lub neej ntawm lub pob.
Phau ntawv qhia no piv rau kev sib npaug ntawm cov khoom siv BMS thiab cov khoom siv sib npaug ntawm cov khoom siv BMS nrog cov lus qhia tshwj xeeb txog txoj hauv kev twg haum rau koj daim ntawv thov.
Kev Sib Npaug ntawm Cell hauv BMS yog dab tsi?
Ib lub roj teeb lithium muaj ntau lub cell txuas ua ke. Hauv kev xyaum, cov cell sib txawv me ntsis hauv lub peev xwm, kev tiv thaiv sab hauv, thiab tus nqi tso tawm tus kheej. Raws li lub sijhawm, cov kev sib txawv no sib xyaw ua ke. Lub cell tsis muaj zog tshaj plaws ncav cuag nws qhov txwv voltage ua ntej - thaum lub sijhawm them nws ntaus lub qab nthab; thaum lub sijhawm tso tawm nws ntaus hauv pem teb. BMS txiav tag nrho lub pob kom tiv thaiv ib lub cell ntawd, txawm tias cov cell muaj zog dua tseem tuav lub peev xwm siv tau.
Kev sib npaug ntawm lub cell kho qhov sib txawv no, nthuav dav lub peev xwm siv tau thiab qeeb qeeb qhov kev puas tsuaj ntawm cov pob khoom. Muaj ob txoj hauv kev sib txawv tseem ceeb.
Kev Sib Npaug ntawm Cell hauv BMS yog dab tsi?
Ib lub roj teeb lithium muaj ntau lub cell txuas ua ke. Hauv kev xyaum, cov cell sib txawv me ntsis hauv lub peev xwm, kev tiv thaiv sab hauv, thiab tus nqi tso tawm tus kheej. Raws li lub sijhawm, cov kev sib txawv no sib xyaw ua ke. Lub cell tsis muaj zog tshaj plaws ncav cuag nws qhov txwv voltage ua ntej - thaum lub sijhawm them nws ntaus lub qab nthab; thaum lub sijhawm tso tawm nws ntaus hauv pem teb. BMS txiav tag nrho lub pob kom tiv thaiv ib lub cell ntawd, txawm tias cov cell muaj zog dua tseem tuav lub peev xwm siv tau.
Kev sib npaug ntawm lub cell kho qhov sib txawv no, nthuav dav lub peev xwm siv tau thiab qeeb qeeb qhov kev puas tsuaj ntawm cov pob khoom. Muaj ob txoj hauv kev sib txawv tseem ceeb.
Kev Sib Npaug Tsis Siv Neeg BMS
Kev sib npaug tsis tu ncua ua rau lub zog tawm ntawm lub cell uas nws lub zog nce siab dua lwm lub thaum lub sijhawm them. Lub zog ntau dhau hloov mus ua cua sov thiab ploj mus.
Cov txiaj ntsig
- Tus nqi kho vajtse qis dua rau ib chav tsev
- Kev tsim qauv hluav taws xob yooj yim dua — yooj yim dua los tsim thiab nrhiav tau
- Kev siv tshuab txhim khu kev qha thiab nkag siab zoo
- Txaus rau cov pob khoom uas muaj kev hloov pauv qis ntawm tes mus rau tes
- Lub zog pov tseg ua cua sov - kev poob haujlwm yog qhov tseem ceeb ntawm kev tsim qauv
- Kev sib npaug tsuas yog tshwm sim thaum them tag nrho (ze rau qhov hluav taws xob tag nrho)
- Kev tsim cua sov yuav tsum tau tswj kev kub
- Kev sib npaug tam sim no feem ntau yog 20–100 mA - qeeb los daws qhov tsis sib npaug loj
- Tsis rov qab tau lub peev xwm los ntawm cov hlwb tsis muaj zog - tsuas yog txwv cov muaj zog dua xwb
Cov kev txwv
Kev sib npaug tsis tu ncua yog qhov tsim nyog rau cov pob khoom me me, cov khoom lag luam uas tsis muaj nqi nrog cov cell sib xws, thiab cov ntawv thov uas kev ua tau zoo sib npaug yog qhov thib ob.
Kev Ntsuas BMS
Kev sib npaug nquag hloov lub zog ntawm cov cell es tsis txhob rhuav tshem nws. Lub cell siab hloov cov nqi ntau dhau mus rau lub cell qis dua los ntawm lub voj voog inductive, capacitive, lossis transformer.
DALY lub tshuab ntsuas hluav taws xob BMS siv txoj kev hloov pauv hluav taws xob raws li inductor, xa mus txog 2 A ntawm kev sib npaug tam sim no thoob plaws 4S–24S configurations. Tus qauv tsim BMS no txhawb nqa LiFePO4, NMC, NCA, thiab LTO cell chemistries.
Cov txiaj ntsig
- Lub zog rov ua dua tshiab ntawm cov cell - kev hloov pauv zoo 85–95%
- Kev sib npaug ntawm txhua lub xeev them, tsis yog tsuas yog them siab tshaj plaws xwb
- Tam sim no sib npaug siab dua (txog li 2 A vs. passive 20–100 mA) - kev sib npaug sai dua
- Ua kom lub pob khoom siv tau ntev dua los ntawm kev txo qhov kev ntxhov siab rau cov hlwb tsis muaj zog
- Kev ua tau zoo dua nrog cov cell teeb tsa uas laus lossis tsis sib xws
- Tus nqi ntawm ib chav tsev siab dua li cov txheej txheem passive
- Kev tsim qauv hluav taws xob nyuaj dua
- Kev siv hluav taws xob standby siab dua me ntsis
Cov kev txwv
Kev sib npaug zoo yog qhov tsim nyog rau cov tshuab khaws cia hluav taws xob, EV thiab e-tsheb kauj vab uas lub neej voj voog tseem ceeb, cov ntawv thov hauv kev lag luam nrog cov nqi hloov pauv cell siab, thiab cov pob khoom siv cov cell thib ob.
Kev Sib Piv Ib Sab
| Feature | Kev Sib Npaug Tsis Siv Neeg BMS | Kev Ntsuas BMS |
| Txoj kev sib npaug | Tshem tawm cov zog ntau dhau ua cua sov | Hloov lub zog ntawm cov cell |
| Kev Ua Haujlwm Zoo | Qis - lub zog pov tseg | Siab — 85–95% lub zog rov ua dua tshiab |
| Kev sib npaug tam sim no | 20–100 mA feem ntau | Txog li 2 A (DALY active BMS) |
| Qhov rai sib npaug | Tsuas yog them nqi siab tshaj plaws xwb | Txhua SOC |
| Cov nyhuv rau lub neej ntawm tes | Txwv cov hlwb muaj zog | Txhawb nqa cov hlwb tsis muaj zog |
| Kev tsim cua sov | Nruab nrab mus rau siab | Tsawg kawg nkaus |
| Tus nqi ntawm ib chav tsev | Qis dua | Siab dua |
| Zoo tshaj plaws rau | Cov pob me me / yooj yim | Kev khaws cia hluav taws xob, EV, kev lag luam |
Kev Cuam Tshuam Tiag Tiag rau Lub Neej Roj Teeb
Qhov sib txawv ntawm kev ua haujlwm ntawm kev sib npaug ntawm cov khoom siv thiab cov khoom siv tsis siv zog yuav loj zuj zus thaum cov pob khoom laus zuj zus. Cov pob khoom tshiab uas muaj cov hlwb sib phim zoo yuav tsis muaj qhov sib txawv ntau. Tom qab 200–300 lub voj voog, kev sib txawv ntawm cov hlwb yuav loj hlob tuaj.
- Passive BMS: txuas ntxiv los ntshav lub zog los ntawm cov hlwb muaj zog, txwv tsis pub siv tau lub peev xwm
- BMS nquag: txuas ntxiv faib cov nqi, khaws cov hlwb tsis muaj zog txhawb nqa ntawm txhua SOC
Kev sim ywj pheej ntawm 16S LiFePO4 pob qhia tau tias kev sib npaug nquag tuaj yeem ntev lub neej voj voog los ntawm 15-30% piv rau kev sib npaug passive nyob rau hauv cov xwm txheej zoo sib xws.
Cov lus qhia ntawm qhov chaw: qhov kev txhim kho lub neej voj voog (15–30%) yog raws li kev sib piv hauv chaw soj ntsuam ntawm cov phooj ywg ntawm kev sib npaug ntawm kev sib npaug ntawm cov khoom siv inductive vs. resistive passive balancing ntawm cov khoom siv LiFePO4 sib phim (ref: Plett, GL, Battery Management Systems, Vol. 2, Artech House, 2015; thiab cov ntaub ntawv luam tawm hauv Journal of Power Sources ntawm cov txheej txheem sib npaug ntawm tes). Cov txiaj ntsig sib txawv los ntawm cov tshuaj lom neeg ntawm tes, C-rate, qhov kub thiab txias ua haujlwm, thiab qhov tob ntawm kev tso tawm. Cov ntaub ntawv sab hauv DALY thoob plaws kev saib xyuas 16S LiFePO4 kev xa tawm (2022–2024, n = 143 pob) qhia txog kev ncua sijhawm nruab nrab ntawm 18% vs. passive BMS nyob rau hauv cov xwm txheej ua haujlwm sib npaug.
Rau lub tshuab cia khoom hauv tsev 48V 200Ah, lub neej voj voog ntev dua los ntawm 2,000 mus rau 2,600 voj voog sawv cev rau 3-4 xyoos ntxiv ntawm kev ua haujlwm raws li kev voj voog txhua hnub.
DALY Active Balancing BMS — Cov Lus Qhia Tshwj Xeeb
| Cov Qauv | Cov Lus Qhia Tshwj Xeeb |
| Kev txhawb nqa ntawm tes | 4S / 8S / 12S / 16S / 17S / 20S / 24S |
| Kev sib npaug tam sim no | Txog li 2 A kev hloov pauv nquag |
| Kev txhawb nqa tshuaj lom neeg | LiFePO4 · NMC · NCA · LTO |
| Kev sib txuas lus | UART · RS485 · CAN · Bluetooth (BLE) |
| Kev saib xyuas app | iOS / Android — lub zog hluav taws xob ntawm tes, SOC, kub, cov ntaub ntawv tiv thaiv |
| Kev ua haujlwm kub. | -20°C txog +60°C (ua haujlwm) | -40°C txog +85°C (khaws cia) |
| Kev tiv thaiv kev ua haujlwm | Overvoltage / undervoltage · overcurrent · luv Circuit · over/undertemp |
| Keeb kwm ntawm kev muab khoom | Hoobkas ncaj qha, Dongguan, Suav teb — B2B lag luam wholesale / OEM / ODM |
Koj Yuav Tsum Xaiv Qhov Twg?
Xaiv qhov kev sib npaug tsis siv neeg yog tias:
- Ua haujlwm nrog ib pob me me, yooj yim (4S lossis tsawg dua)
- Cov hlwb tshiab thiab sib phim zoo
- Tus nqi yog qhov kev txwv tseem ceeb thiab lub neej voj voog yog qhov thib ob
- Daim ntawv thov muaj lub neej ua haujlwm luv luv lossis lub voj voog them tsis tshua muaj
- Kev tsim lossis kev tswj hwm lub kaw lus khaws cia hluav taws xob - hnub ci, RV, off-grid
- Pob muaj 8S lossis ntau lub cell hauv series
- Kev ua kom lub neej voj voog thiab tag nrho cov zog siv tau zoo tshaj plaws yog qhov yuav tsum tau ua ntawm qhov project
- Ua haujlwm nrog cov hlwb laus, cov hlwb thib ob, lossis cov hlwb sib xyaw ua ke
- Tus nqi hloov pauv ntawm tes yog qhov tseem ceeb hauv tag nrho cov nqi siv hauv lub neej
Xaiv qhov kev sib npaug nquag yog tias:
Cov Lus Nug Feem Ntau
Kuv puas tuaj yeem ntxiv lub active balancer rau lub pob uas twb muaj passive BMS lawm?
Yog. DALY kuj muaj cov modules active balancer uas ua haujlwm ib leeg uas ntxiv rau ib pob uas twb muaj lawm nrog rau passive BMS. Lub active balancer tswj hwm kev sib npaug ntawm lub cell; lub passive BMS tswj hwm cov haujlwm tiv thaiv. → Saib DALY active balancer modules: /active-balancer/
Puas yog lub zog sib npaug ua haujlwm thaum lub sijhawm tso tawm, lossis tsuas yog thaum lub sijhawm them xwb?
Qhov kev sib npaug nquag ua haujlwm thaum twg los tau - thaum lub sijhawm them, tso tawm, thiab thaum so. Qhov no yog ib qho ntawm nws cov txiaj ntsig tseem ceeb dua li qhov kev sib npaug tsis siv neeg, uas tsuas yog ua haujlwm ze li ntawm qhov them tag nrho.
Qhov sib txawv ntawm qhov voltage ua rau muaj kev sib npaug ntawm lub zog (active balancing) li cas?
DALY qhov kev sib npaug ntawm lub zog (BMS) ua rau muaj kev sib npaug thaum qhov sib txawv ntawm qhov hluav taws xob siab tshaj plaws thiab qis tshaj plaws tshaj qhov txwv uas teeb tsa tau, teeb tsa ua ntej ntawm 20–30 mV.
Puas yog kev sib npaug sib xws nrog LiFePO4 chemistry?
Yog. LiFePO4 tshwj xeeb tshaj yog tau txais txiaj ntsig los ntawm kev sib npaug nquag vim tias nws cov kab nkhaus tso tawm tiaj tus ua rau kev sib npaug tsis ua haujlwm zoo - qhov sib txawv me me ntawm qhov hluav taws xob ntawm qhov siab tshaj plaws ntawm lub zog them sib raug rau qhov sib txawv ntawm lub peev xwm loj.
| Thov Kev Hais Nqe lossis Kev Sab Laj Txog Kev Siv TshuabDALY BMS muab cov khoom siv BMS uas siv tau thiab tsis siv tau rau cov neeg siv khoom hauv 80+ lub tebchaws. Txawm koj xav tau kev teeb tsa tus qauv lossis kev daws teeb meem tshwj xeeb rau tus lej xov tooj tshwj xeeb, qhov ntsuas tam sim no, lossis cov txheej txheem sib txuas lus, peb pab neeg ua haujlwm engineering tuaj yeem txhawb nqa koj qhov project.Tiv Tauj: /tiv tauj/·Cov Khoom: /active-balancer/·Cov Ntawv Qhia: /daly-product-manual/ |
Lub sijhawm tshaj tawm: Plaub Hlis-16-2026
