A LiFePO4 BMS (Sisitemu yo gucunga bateri)ni ikigo cy’ikoranabuhanga gikurikirana, kirinda, kandi kigatunganya bateri ya lithium iron phosphate (LiFePO4). Giherereye hagati y’uturemangingo twa bateri n’utundi duce tw’amashanyarazi, gipima voltage, umuriro, n’ubushyuhe buri turemangingo kugira ngo gikomeze gukora neza.

Iyo idafite BMS, paki ya LiFePO4 nta bwishingizi ifite bwo kwirinda gusharija cyane, gusohora umuriro mwinshi, imiyoboro migufi, cyangwa kutagenda neza kw'uturemangingo - kimwe muri ibyo gishobora kugabanya ubuzima bw'ipaki cyangwa, mu gihe kibi cyane, guteza akaga k'umutekano. Niyo mpamvu inyinshi mu paki za LiFePO4 zigurishwa ku bucuruzi kugira ngo zibikwe ku mirasire y'izuba, amashanyarazi, ikoreshwa mu mazi, RV, cyangwa amashanyarazi y'inyongera hamwe na BMS yihariye aho kwishingikiriza kuri charger cyangwa inverter gusa.

Impamvu Bateri za LiFePO4 zikenera BMS by'umwihariko

Uturemangingo twa LiFePO4 dusanzwe duhorana ubushyuhe kurusha utundi dukoresho twa lithium nka NCM (nickel cobalt manganese) cyangwa NCA (nickel cobalt aluminum), ikaba ari amahitamo akoreshwa cyane mu kubika ibintu mu buryo butaziguye no mu buryo bwinshi bwo kugenda. Ariko "guhorana ubuziranenge" ntibivuze "nta buryo bwo kubicunga bukenewe." Paki ya LiFePO4 ifite uturemangingo twinshi iracyahura n'ibibazo bitatu BMS yagenewe gukemura:

• Ihindagurika ry'amashanyarazi mu turemangingo.Ndetse n'uturemangingo dukomoka ku itsinda rimwe ry'umusaruro ntabwo dusaza kimwe. Mu gihe cy'ingendo amagana, itandukaniro rito mu nganda rihinduka icyuho cy'amashanyarazi hagati y'uturemangingo - ikibazo nyacyo cyo kuringaniza imiyoboro cyagenewe gukosorwa.
• Umuyoboro urekuye ugororotse.LiFePO4 ifite umuvuduko ugaragara nk'aho uringaniye mu gihe kinini cy'umuvuduko wayo, bigatuma bigorana gupima ubushobozi busigaye uhereye kuri voltage yonyine. BMS ifite umubare wa coulomb - ikurikirana ingano nyayo y'umuvuduko w'amashanyarazi winjira kandi usohoka mu ipaki uko igihe kigenda, aho kubara uhereye kuri voltage yonyine - itanga ishusho nyayo y'umuvuduko w'amashanyarazi.
• Idirishya rito rikora neza ku rugero rwo hejuru.Utunyangingo twa LiFePO4 tuba turi hagati mu rugero rwatwo rwo gutanga amashanyarazi ariko turacyakeneye gucibwa cyane iyo amashanyarazi yuzuye kandi agasohoka mu buryo bwimbitse kugira ngo hirindwe gutakaza ubushobozi bw'amashanyarazi igihe kirekire.

Ni iki LiFePO4 BMS irinda mu by'ukuri?

BMS yagenwe neza ku mapaki ya bateri ya lithium ikora imirimo yo kurinda ikurikira:

1. Uburinzi bw'inyongera— ihagarika gusharija iyo selile iyo ari yo yose igeze ku mupaka wayo wo hejuru wa voltage
2. Uburinzi bwo kuva mu mazi menshi cyane— igabanya umutwaro mbere yuko ingufu z'uturemangingo zigabanuka bihagije kugira ngo bitere kwangirika burundu
3. Uburinzi bw'umuvuduko ukabije / ubw'amashanyarazi magufi— ihagarika urujya n'uruza rw'amashanyarazi iyo umuriro urenze urugero rw'umubare
4. Uburinzi bw'ubushyuhe burenze urugero— ihagarika gusharija cyangwa gusohora hanze y'idirishya ry'ubushyuhe bwizewe
5. Kuringaniza uturemangingo— inganya voltage ku turemangingo twose turi mu murongo w'uruhererekane, haba mu buryo butunguranye cyangwa mu buryo bufatika

Kugereranya Ibikorwa Ugereranyije no Kugereranya Ibintu Bidakora muri LiFePO4 BMS

Kuringaniza ibintu mu buryo budakoraikuraho ingufu zirenze urugero zituruka ku tunyangingo dufite amashanyarazi menshi nk'ubushyuhe bunyura muri resistor kugeza igihe ipaki isigaye ifashe. Ni ibintu byoroshye, bihendutse, kandi bihagije ku dupaki duto cyangwa porogaramu aho imizunguko yo gushyushya idakunze kubaho.

Kuringaniza nezaYohereza ingufu ziva mu turemangingo dufite amashanyarazi menshi zijya mu turemangingo dufite amashanyarazi make aho kuzihindura ubushyuhe. Bikora neza cyane, bitanga ubushyuhe buke, kandi akenshi bitanga uburinganire bwihuse no kugira ubuzima bwiza bw'igihe kirekire - ibi bikaba ingenzi cyane bitewe n'ingano y'ipaki, umubare w'uturemangingo, n'ubwiyongere bw'inshuro z'ingendo (ipaki nini za ESS, ububiko bw'izuba buri munsi, ipaki za EV zifite ubushobozi bwinshi).

Ku mapaki mato kandi akoresha amashanyarazi make, kuringaniza ibintu bidakoreshejwe cyane birahagije. Ku mamashini manini cyangwa akoresha amashanyarazi menshi ya LiFePO4, kuringaniza ibintu bidakoreshejwe neza birakwiye ikiguzi cy'inyongera.

Uburyo bwo guhitamo LiFePO4 BMS ikwiye

Mu kugereranya BMS ku mapaki ya bateri ya lithium, ibipimo bine bigena niba izakwiranye na sisitemu yawe:

1. Umubare w'uturemangingo (S-count).BMS igomba guhuza neza imiterere y'uruhererekane rw'ipaki yawe — BMS ya 4S kuri paki ya 12V, 8S kuri 24V, 16S kuri 48V, n'ibindi (bishingiye kuri voltage ya LiFePO4 ~3.2V nominal cell voltage). S-count itari yo ni imwe mu mpamvu zikunze gutuma BMS idahura neza.
2. Isuzuma ry'umuvuduko uhoraho kandi uri hejuru cyane.Gabanisha BMS ukurikije ikigereranyo cy’ubushobozi bwawe bwo gupima, ntabwo ari ikigereranyo gisanzwe gusa, kandi usige aho uhagaze — BMS ikora ku gisenge cyayo cy’amashanyarazi buri gihe izakora neza kandi ikanasaza vuba.
3. Ubwoko bwo kuringaniza n'umuvuduko w'amashanyarazi.Nkuko byavuzwe haruguru, fata umwanzuro hagati yo kuringaniza ibintu bidakoreshejwe n'ibidakoreshejwe ukurikije ingano y'ipaki n'umuvuduko w'igare, hanyuma urebe umuvuduko w'ifaranga (mA) — umuvuduko w'ifaranga uri hejuru bivuze ko ingano y'ifaranga rinini yihuta.
4. Porotoli y'itumanaho.Niba BMS ikeneye kuvugana na inverter, porogaramu igenzura, cyangwa umuyoboro wa CAN w'imodoka, menya neza ko ishyigikira protocole ikwiye - akenshi RS485, CAN bus, UART, cyangwa Bluetooth - mbere yo kuyigura, ntabwo ari nyuma yo kuyishyiramo.

LiFePO4 BMS ukurikije Voltage: Sisitemu ya 12V, 24V, na 48V/51.2V

Ibibaho bya LiFePO4 BMS ubusanzwe bigenwa na voltage ya sisitemu, ijyanye n'umubare w'uturemangingo runaka:

• Sisitemu za 12V (4S):uburyo busanzwe bwo gukoresha ingufu zigendanwa, imirasire y'izuba mito, no gusimbuza bateri
• Sisitemu za 24V (8S):isanzwe mu bikoresho byo mu mazi, RV, ndetse n'ikoreshwa ry'izuba riciriritse
• Sisitemu za 48V / 51.2V (16S):icyiciro cy'amashanyarazi gikunze gukoreshwa cyane mu kubika ingufu zo mu rugo, gushyiraho imirasire y'izuba nini, ndetse n'amasashe menshi y'ubucuruzi ya ESS

Umubare w'uturemangingo ukomoka kuri voltage ya LiFePO4 ya ~3.2V nominal kuri buri turemangingo — 4 × 3.2V ≈ 12.8V, 8 × 3.2V ≈ 25.6V, 16 × 3.2V ≈ 51.2V.

Sisitemu zifite amashanyarazi menshi muri rusange zisaba kwitabwaho cyane mu gushyigikira protocole y'itumanaho, kuko zishobora guhuzwa na inverter cyangwa sisitemu yagutse yo gucunga ingufu ikenera amakuru y'igihe nyacyo ava kuri BMS.

Ibibazo Bikunze Kubazwa

Q1Ese bateri ya LiFePO4 ikeneye BMS?

Yego. Nubwo shimi ya LiFePO4 ihora ihindagurika mu bushyuhe kurusha izindi shimi za lithium, paki y’uturemangingo twinshi iracyakeneye BMS kugira ngo ifashe mu kuringaniza uturemangingo, kurinda ubwinshi bw’ingufu/gusohora amazi menshi, no gukurikirana neza imiterere y’ubwinshi bw’ingufu. Gukoresha paki ya LiFePO4 nta BMS bikuraho uburinzi bwose.

Q2Ni irihe tandukaniro riri hagati ya LiFePO4 BMS na BMS rusange ya lithium-ion?

Imikorere y’ingenzi yo kurinda imiterere y’umubiri irasa, ariko imipaka y’amashanyarazi ishyirwaho mu buryo butandukanye kuri buri shimi — uruhererekane rw’amashanyarazi ya LiFePO4 kuri buri shimi ruri hasi ugereranije n’uturemangingo twa NCM/NMC cyangwa NCA lithium-ion. BMS yubatswe kuri shimi imwe ntigomba gukoreshwa uko iri ku yindi hatabayeho kongera gushyiraho imipaka y’amashanyarazi kugira ngo ihuze n’urupapuro rw’amakuru rw’uturemangingo.

Q3Ni iyihe amperage BMS nkeneye kuri paki ya LiFePO4?

Huza amanota ya BMS ahoraho n'urugero ntarengwa rw'ubushobozi bwa sisitemu yawe, hanyuma uhitemo icyitegererezo gifite amanota y'ubwiyongere bw'umuvuduko w'amashanyarazi ahoraho, gitwikira neza ubwiyongere bw'umuvuduko w'amashanyarazi (moteri itangira, inverter surge, nibindi) nta gucika intege.

Q4Nigute nakongera gukoresha LiFePO4 BMS?

Ibyinshi mu bikoresho bya BMS bihita byisubiramo mu buryo bwikora iyo ikibazo kirangiye — urugero, iyo voltage igarutse ku rugero rwiza nyuma yo kongera umuriro cyangwa gusohora umuriro urenze urugero. Hari kandi moderi zisaba kongera guhuza icyuma cyangwa aho gusohora umuriro, cyangwa gusiba/gusubizamo ipaki igihe gito, kugira ngo ikureho ikibazo cyafatiriwe. Buri gihe reba inyandiko za moderi ya BMS, kuko imyitwarire yo gusubiza umuriro iratandukanye bitewe n'imiterere.

Q5Ese BMS imwe ishobora gukorana na shimi nyinshi za lithium?

Amwe mu mamodeli ya BMS ashobora guhindurwa mu mashami y’imiti — LiFePO4, NCM, cyangwa LTO (lithium titanate) — binyuze mu mibare y’amashanyarazi ihinduka, ariko ibi bigomba gushyirwaho neza ku bijyanye na shimi yihariye ikoreshwa. BMS ikoresha insinga zikomeye ku rugero rw’amashanyarazi ya shimi imwe ntigomba gufatwa nk’aho ifite umutekano ku yindi itabanje kwemeza ko ishobora guhindurwa. Si buri modeli iri ku isoko ishyigikira ibi — reba urupapuro rw’amakuru rwa BMS runaka aho gufata ko hari inkunga ya shimi nyinshi mu buryo busanzwe.

Guhitamo LiFePO4 BMS ku mushinga wawe

BMS ikwiye iterwa na voltage ya paki yawe, umubare wa selile, amashanyarazi akoreshwa, n'uburyo ikwiye kuvugana n'izindi sisitemu zawe. Sangiza ibi bisobanuro bine maze itsinda rya tekiniki rya DALY riguhe inama yo guhuza imiterere: voltage ya sisitemu/ingano ya selile (urugero: 12V/4S, 24V/8S, 48V/16S), ibisabwa ku muvuduko uhoraho n'uw'ingufu, ikoreshwa (ingufu z'izuba/ESS, inyanja, RV, EV, forklift, nibindi), hamwe na protocole ikenewe yo gutumanaho (RS485, CAN bus, UART, Bluetooth).

• Imeri: dalybms@dalyelec.com
• Suzuma ukurikije icyiciro: BMS isobanutse · BMS yo kuringaniza ibintu mu buryo bukora · Ububiko bwo mu rugo BMS · BMS y'umuvuduko mwinshi · Ububiko bw'ingufu bwa RV BMS