Ngati mwawonapo batire ya lithiamu ikukalamba mosiyana - maselo ena ali pa 4.1V pomwe ena ali pa 3.6V - ndiye kuti mwamvetsa kale chifukwa chake kulinganiza kuli kofunika. Funso silili ngati kulinganiza, koma momwe kulinganiza, ndi mtengo wa chisankho chimenecho pa moyo wonse wa paketi.
Bukuli likuyerekeza BMS yolinganiza bwino (active balancing BMS) ndi BMS yolinganiza yopanda ntchito (passive balancing BMS) ndi malangizo enieni okhudza njira yoyenera kugwiritsa ntchito kwanu.
Kodi Kulinganiza Maselo mu BMS N'chiyani?
Paketi ya batire ya lithiamu imakhala ndi maselo angapo olumikizidwa motsatizana. M'machitidwe, maselo amasiyana pang'ono pa mphamvu, kukana kwamkati, ndi liwiro lotulutsa lokha. Pakapita nthawi, kusiyana kumeneku kumawonjezeka. Selo lofooka kwambiri limafika poyamba pa malire ake a voltage - ikagunda padenga; ikagunda pansi. BMS imadula paketi yonse kuti iteteze selo limodzi, ngakhale maselo olimba akadali ndi mphamvu yogwiritsidwa ntchito.
Kulinganiza maselo kumakonza kusiyana kumeneku, kukulitsa mphamvu yogwiritsidwa ntchito komanso kuchepetsa kuwonongeka kwa paketi. Pali njira ziwiri zosiyana kwambiri.
Kodi Kulinganiza Maselo mu BMS N'chiyani?
Paketi ya batire ya lithiamu imakhala ndi maselo angapo olumikizidwa motsatizana. M'machitidwe, maselo amasiyana pang'ono pa mphamvu, kukana kwamkati, ndi liwiro lotulutsa lokha. Pakapita nthawi, kusiyana kumeneku kumawonjezeka. Selo lofooka kwambiri limafika poyamba pa malire ake a voltage - ikagunda padenga; ikagunda pansi. BMS imadula paketi yonse kuti iteteze selo limodzi, ngakhale maselo olimba akadali ndi mphamvu yogwiritsidwa ntchito.
Kulinganiza maselo kumakonza kusiyana kumeneku, kukulitsa mphamvu yogwiritsidwa ntchito komanso kuchepetsa kuwonongeka kwa paketi. Pali njira ziwiri zosiyana kwambiri.
BMS Yolinganiza Zinthu Mosalekeza
Kulinganiza zinthu mopanda mphamvu kumayatsa choletsa kutuluka kwa madzi kudutsa selo iliyonse yomwe mphamvu yake imakwera kuposa zina ikamalizidwa. Mphamvu yochulukirapo imasanduka kutentha ndipo imatayika.
Ubwino
- Mtengo wotsika wa zida pa chipangizo chilichonse
- Kapangidwe ka dera losavuta — kosavuta kupanga ndi kupeza
- Ukadaulo wodalirika komanso womveka bwino
- Zokwanira pa ma paketi okhala ndi kusiyana kochepa kwa selo kupita ku selo
- Mphamvu zomwe zimawonongeka chifukwa cha kutentha — kutayika kwa mphamvu ndikofunikira kwambiri pa kapangidwe kake
- Kulinganiza kumachitika pokhapokha ngati magetsi ali pamwamba (pafupi ndi magetsi onse)
- Kupanga kutentha kumafuna kuyang'anira kutentha
- Kulinganiza mphamvu yamagetsi nthawi zambiri imakhala 20–100 mA — pang'onopang'ono kuthetsa kusalingana kwakukulu
- Sichibwezeretsa mphamvu kuchokera ku maselo ofooka - chimangochepetsa omwe ali olimba
Zoletsa
Kulinganiza zinthu mopanda kusinthasintha n'koyenera pa ma paketi ang'onoang'ono ogula, zinthu zotsika mtengo zokhala ndi maselo ofanana, komanso kugwiritsa ntchito komwe magwiridwe antchito olinganiza zinthu ndi achiwiri.
BMS Yolinganiza Yogwira Ntchito
Kulinganiza bwino kumasamutsa mphamvu pakati pa maselo m'malo moiwononga. Selo lalikulu limasamutsa mphamvu yochulukirapo kupita ku selo lotsika kudzera mu dera lothandizira, lothandizira, kapena losinthira magetsi.
BMS yogwira ntchito ya DALY imagwiritsa ntchito njira yosamutsira mphamvu yochokera ku inductor, yomwe imapereka mphamvu yokwana 2 A yolinganiza mphamvu kudzera mu 4S–24S configurations. Kapangidwe ka BMS yogwira ntchito kameneka kamathandizira chemistry ya maselo a LiFePO4, NMC, NCA, ndi LTO.
Ubwino
- Mphamvu zobwezerezedwanso pakati pa maselo — kusamutsa bwino 85–95%
- Kulinganiza bwino pamlingo uliwonse, osati kokha pamwamba pa mtengo
- Mphamvu yolinganiza yapamwamba (mpaka 2 A vs. passive 20–100 mA) — equalization yofulumira
- Imawonjezera moyo wa phukusi mwa kuchepetsa kupsinjika kwa maselo ofooka
- Kuchita bwino ndi maselo akale kapena osagwirizana
- Mtengo wapamwamba wa mayunitsi kuposa machitidwe osagwira ntchito
- Kapangidwe ka dera lovuta kwambiri
- Mphamvu yoyimirira yokwera pang'ono
Zoletsa
Kulinganiza bwino zinthu n'koyenera pa makina osungira mphamvu, ma EV ndi ma e-bike pack komwe moyo wa njinga ndi wofunika kwambiri, ntchito zamafakitale zomwe zimakhala ndi ndalama zambiri zosinthira maselo, komanso ma pack ogwiritsa ntchito maselo amoyo wachiwiri.
Kuyerekeza Mbali ndi Mbali
| Mbali | BMS Yolinganiza Zinthu Mosalekeza | BMS Yolinganiza Yogwira Ntchito |
| Njira yolinganiza | Chotsani mphamvu yochulukirapo ngati kutentha | Tumizani mphamvu pakati pa maselo |
| Kuchita bwino | Mphamvu zochepa - zimawonongeka | Mphamvu yapamwamba — 85–95% yobwezerezedwanso |
| Kulinganiza mphamvu yamagetsi | 20–100 mA wamba | Mpaka 2 A (DALY active BMS) |
| Kulinganiza zenera | Chokwera mtengo chokha | SOC iliyonse |
| Zotsatira pa moyo wa maselo | Amachepetsa maselo amphamvu | Imathandizira maselo ofooka |
| Kupanga kutentha | Pakati mpaka pamwamba | Zochepa |
| Mtengo wa chinthu chimodzi | Pansi | Zapamwamba |
| Zabwino kwambiri pa | Mapaketi ang'onoang'ono / osavuta | Kusungirako mphamvu, magalimoto amagetsi, mafakitale |
Zotsatira Zenizeni pa Moyo wa Batri
Kusiyana kwa magwiridwe antchito pakati pa active ndi passive balancing kumakula pamene ma paketi akukalamba. Paketi yatsopano yokhala ndi maselo ofanana bwino sikuwonetsa kusiyana kwakukulu. Pambuyo pa ma cycle 200-300, kusiyana kwa maselo kumakula.
- BMS yopanda mphamvu: imapitiriza kutulutsa mphamvu kuchokera ku maselo amphamvu, zomwe zimalepheretsa mphamvu yogwiritsidwa ntchito
- BMS Yogwira Ntchito: imagawanso mphamvu nthawi zonse, kusunga maselo ofooka akuthandizidwa pa SOC iliyonse
Kuyesa kodziyimira pawokha pa ma paketi a 16S LiFePO4 kukuwonetsa kuti kulinganiza bwino kumatha kukulitsa moyo wa kuzungulira ndi 15–30% poyerekeza ndi kulinganiza kosachitapo kanthu pansi pa mikhalidwe yofanana.
Chidziwitso: Kuchuluka kwa kusintha kwa moyo wa cycle-life (15–30%) kumachokera ku kufananiza kwa ma laboratory komwe kunawunikidwa ndi anzawo kwa inductive active balancing vs. resistive passive balancing pa ma cell a LiFePO4 ofanana (onani: Plett, GL, Battery Management Systems, Vol. 2, Artech House, 2015; ndi deta yofalitsidwa mu Journal of Power Sources pa njira zoyezera maselo). Zotsatira zimasiyana malinga ndi chemistry ya maselo, C-rate, kutentha kwa ntchito, ndi kuzama kwa kutulutsa. Deta yamkati ya DALY pa ma deployments a 16S LiFePO4 omwe amawunikidwa (2022–2024, n=143 packs) ikuwonetsa kufalikira kwapakati kwa moyo wa cycle wa 18% poyerekeza ndi passive BMS pansi pa mikhalidwe yofanana yogwirira ntchito.
Pa makina osungira zinthu a 48V 200Ah, nthawi yowonjezereka ya moyo wa njinga kuyambira 2,000 mpaka 2,600 ikuyimira zaka zina 3-4 zogwira ntchito pansi pa njinga ya tsiku ndi tsiku.
DALY Active Balancing BMS — Mafotokozedwe
| Chizindikiro | Kufotokozera |
| Thandizo la mndandanda wa mafoni | 4S / 8S / 12S / 16S / 17S / 20S / 24S |
| Kulinganiza mphamvu yamagetsi | Kusamutsa kogwira ntchito mpaka 2 A |
| Thandizo la mankhwala | LiFePO4 · NMC · NCA · LTO |
| Kulankhulana | UART · RS485 · CAN · Bluetooth (BLE) |
| Kuwunika kwa pulogalamu | iOS / Android — magetsi a selo, SOC, kutentha, mbiri yoteteza |
| Kutentha kwa ntchito. | -20°C mpaka +60°C (ikugwira ntchito) | -40°C mpaka +85°C (yosungira) |
| Ntchito zoteteza | Mphamvu yamagetsi yoposa mphamvu yamagetsi · mphamvu yamagetsi yoposa mphamvu yamagetsi · dera lalifupi · kutentha kopitirira mphamvu yamagetsi |
| Chiyambi cha zinthu zoperekedwa | Factory direct, Dongguan, China — B2B wholesale / OEM / ODM |
Ndi iti yomwe muyenera kusankha?
Sankhani kulinganiza kosachitapo kanthu ngati:
- Kugwira ntchito ndi paketi yaying'ono, yosavuta (4S kapena kucheperapo)
- Maselo ndi atsopano ndipo amagwirizana bwino
- Mtengo ndiye choletsa chachikulu ndipo moyo wa kuzungulira ndi wachiwiri
- Pulogalamuyo imakhala ndi nthawi yochepa yogwirira ntchito kapena nthawi yochaja yosachitika kawirikawiri
- Kumanga kapena kusamalira makina osungira mphamvu — dzuwa, RV, kapena opanda gridi
- Phukusi lili ndi maselo 8S kapena kuposerapo motsatizana
- Kukwaniritsa nthawi yogwira ntchito komanso mphamvu zonse zomwe zimagwiritsidwa ntchito ndi pulojekitiyi ndikofunikira
- Kugwira ntchito ndi maselo okalamba, a moyo wachiwiri, kapena osakanikirana
- Mtengo wosinthira maselo ndi wofunika kwambiri pa mtengo wonse wa moyo
Sankhani kulinganiza kogwira ntchito ngati:
Mafunso Ofunsidwa Kawirikawiri
Kodi ndingathe kuwonjezera active balancer ku paketi yomwe ili kale ndi passive BMS?
Inde. DALY imaperekanso ma module odziyimira pawokha a active balancer omwe amawonjezera ku paketi yomwe ilipo pamodzi ndi passive BMS. active balancer imagwira ntchito yolinganiza maselo; passive BMS imagwira ntchito zoteteza. → Onani ma module a DALY a active balancer: /active-balancer/
Kodi kulinganiza kogwira ntchito kumagwira ntchito panthawi yotulutsa, kapena pokhapokha panthawi yolipiritsa?
Kulinganiza kogwira ntchito kumagwira ntchito pamlingo uliwonse — panthawi yochaja, kutulutsa, komanso panthawi yopumula. Ichi ndi chimodzi mwazabwino zake zazikulu kuposa kulinganiza kosachitapo kanthu, komwe kumagwira ntchito pafupifupi mphamvu yonse.
Kodi kusiyana kwa magetsi kumayambitsa bwanji kulinganiza bwino?
BMS yogwira ntchito ya DALY imayambitsa kulinganiza pamene kusiyana pakati pa voteji yapamwamba ndi yotsika kwambiri ya selo kumaposa malire okhazikika, komwe kumakhazikitsidwa pa 20–30 mV.
Kodi kulinganiza kogwira ntchito kumagwirizana ndi mankhwala a LiFePO4?
Inde. LiFePO4 makamaka imapindula ndi kulinganiza bwino kwamagetsi chifukwa curve yake yotulutsa mpweya imapangitsa kulinganiza bwino kwamagetsi kosagwira ntchito — kusiyana kwa mavoteji ang'onoang'ono pamwamba pa chaji kumafanana ndi kusiyana kwakukulu kwa mphamvu.
| Pemphani Mtengo kapena Upangiri waukadauloDALY BMS imapereka BMS yogwira ntchito komanso yopanda ntchito kwa makasitomala m'maiko opitilira 80. Kaya mukufuna kasinthidwe kokhazikika kapena yankho lokonzedwa kuti muwerengere kuchuluka kwa maselo, kuchuluka kwa ma current rating, kapena njira yolumikizirana, gulu lathu la mainjiniya lingathandize pulojekiti yanu.Lumikizanani: /lumikizani/·Zogulitsa: /active-balancer/·Mabuku a malangizo: /daly-product-manual/ |
Nthawi yotumizira: Epulo-16-2026
