A LiFePO4 BMS (Sisitimu Yekutarisira Bhatiri)ibhodhi remagetsi rinoongorora, rinodzivirira, uye rinoenzanisa bhatiri re lithium iron phosphate (LiFePO4). Rinogara pakati pemasero ebhatiri nedzimwe nzira dzemagetsi, richigara richiyera voltage, current, uye tembiricha kuti sero rega rega rirambe richishanda munzvimbo dzakachengeteka.

Pasina BMS, pakiti yeLiFePO4 haina dziviriro yakavakirwa mukati kubva pakuchaja zvakanyanya, kuburitsa zvakanyanya, mashort circuits, kana kusawirirana kwemasero - chero chipi zvacho chinogona kupfupisa hupenyu hwepaketi kana, kana zvakaipisisa, kugadzira njodzi yekuchengetedza. Ndokusaka ruzhinji rwemapaketi eLiFePO4 anotengeswa muzvitoro anochengeterwa zuva, maEV, maRV, kana ngarava yemagetsi ine BMS yakatsaurirwa pane kuvimba nechaja kana inverter chete.

Nei Mabhatiri eLiFePO4 Achida BMS?

Masero eLiFePO4 akasimba zvakanyanya pakupisa kupfuura mamwe machemicals elithium akadai seNCM (nickel cobalt manganese) kana NCA (nickel cobalt aluminum), inova sarudzo inoshandiswa zvakanyanya pakuchengetera zvinhu zvisina kumira uye kushandiswa kwakawanda kwekufambisa. Asi "kugadzikana zvakanyanya" hazvirevi kuti "hapana chikonzero chekutarisira." Paketi yeLiFePO4 ine masero akawanda ichiri kutarisana nematambudziko matatu anodzokororwa ayo BMS yakagadzirirwa kugadzirisa:

• Kufamba kwemagetsi emasero.Kunyangwe masero anobva muboka rimwe chete rekugadzira haakure zvakaenzana. Mumazana ema cycles, misiyano midiki yekugadzira inosanganiswa nekuchinja kwemagetsi pakati pemasero - dambudziko chairo rekuenzanisa ma circuitry rakagadzirirwa kugadzirisa.
• Kota yekubuda kwemvura yakati sandara.LiFePO4 ine voltage curve yakatsetseka pakati pehuwandu hwemagetsi ayo, izvo zvinoita kuti zviome kufungidzira simba rasara kubva pamagetsi chete. BMS ine coulomb counting — inotevedzera huwandu chaihwo hwemagetsi anopinda nekubuda mupakeji nekufamba kwenguva, pane kufungidzira kubva pamagetsi chete — inopa kuverenga kwakanyatsojeka kwemagetsi.
• Hwindo rekushanda rakamanikana rakachengeteka pamucheto.Masero eLiFePO4 anoregerera pakati pehuwandu hwawo hwekuchaja asi achiri kuda kuchekwa zvakasimba kana chaja yakazara uye kuburitswa kwakadzika kudzivirira kurasikirwa nehukuru kwenguva refu.

Chii Chinodzivirirwa NeLiFePO4 BMS?

BMS yakanyatsotsanangurwa yemapakiti ebhatiri re lithium inobata mabasa ekudzivirira anotevera:

1. Dziviriro yekubhadharisa zvakanyanya— inodzima kuchaja kana chero sero rasvika pamuganho waro wepamusoro wevoltage
2. Dziviriro yekubuda kwemvura zvakanyanya— inoderedza mutoro usati wadzikira simba remagetsi esero zvekuti unokuvadza zvachose
3. Dziviriro yemhepo yakawandisa / yemhepo pfupi— inomisa circuit kana magetsi adarika chiyero chakatarwa
4. Dziviriro yekupisa kwakanyanya— inomisa kuchaja kana kuburitsa mvura kunze kwehwindo retembiricha yakachengeteka
5. Kuenzanisa masero— inoenzanisa voltage mumasero ese ari mumutsara wenyaya, kungave pasina kana kuti zvine simba

Kuenzanisa Kushanda vs. Kuenzanisa Kusingashande muLiFePO4 BMS

Kuenzanisa kusingashandeinobvisa simba rakawandisa kubva kumasero ane voltage yakakwira sekupisa kuburikidza ne resistor kusvika zvimwe zvese zvasvika pakubata. Zviri nyore, hazvidhuri, uye zvakakwana kumapaketi madiki kana maapplication uko kushaja kusingawanzoitiki.

Kuenzanisa kwakasimbaInotamisa simba kubva kumasero ane voltage yakakwira kuenda kumasero ane voltage yakaderera pachinzvimbo chekuribvisa sekupisa. Inoshanda zvakanyanya, inogadzira kupisa kushoma, uye inowanzo konzera kuenzana nekukurumidza uye hutano hwepakeji huri nani kwenguva refu - izvo zvinonyanya kukosha sehukuru hwepakeji, huwandu hwemasero, uye kuwedzera kwefrequency yekutenderera (mapakeji makuru eESS, kuchengetwa kwezuva kwezuva nezuva, mapakeji eEV ane simba rakawanda).

Kune mabhegi madiki, asingashandise mavhiri akawanda, kuenzana kwepasi (passive balancing) kazhinji kwakakwana. Kune masisitimu makuru kana anoshandiswa nemavhiri akawanda eLiFePO4, kuenzana kwepasi (active balancing) kwakakodzera mari yekuwedzera.

Maitiro Ekusarudza LiFePO4 BMS Yakakodzera

Pakuenzanisa BMS yemapaketi ebhatiri re lithium, zvinhu zvina zvinosarudza kana ichizonyatsoenderana nesystem yako:

1. Kuwanda kwemasero (S-count).BMS inofanira kuenderana nemagadzirirwo emhando yepakiti yako zvakanaka — 4S BMS yepaketi ye12V, 8S ye24V, 16S ye48V, zvichingodaro (zvichienderana nemagetsi emasero eLiFePO4 ~3.2V). S-count isiriyo ndeimwe yezvikonzero zvinowanzoita kuti BMS isawirirane.
2. Kuongororwa kwesimba remagetsi nguva dzose uye kwepamusoro.Saizi yeBMS inoenderana nehukuru hwepamusoro hwawakaita, kwete kungofanana nehukuru hwenguva dzose, wobva wasiya nzvimbo yekuchengetera zvinhu — BMS inomhanya padenga rayo remazuva ano nguva dzose icharamba ichipisa uye ichikura nekukurumidza.
3. Rudzi rwekuyera uye simba remagetsi.Sezvataurwa pamusoro apa, sarudza pakati pekuenzanisa zvinhu zvisina simba uye zvinoshanda zvichienderana nehukuru hwepakeji uye frequency yekufamba kwemhepo, uye tarisa iyo balance current (mA) — higher balance current zvinoreva kukurumidza kuenzana pamapakeji makuru.
4. Nzira yekutaurirana.Kana BMS ichifanira kutaura ne inverter, monitoring app, kana CAN network yemotokari, simbisa kuti inotsigira protocol chaiyo — inowanzoitwa RS485, CAN bus, UART, kana Bluetooth — usati watenga, kwete mushure mekuiisa.

LiFePO4 BMS neVoltage: 12V, 24V, uye 48V/51.2V Masisitimu

Mabhodhi eLiFePO4 BMS anowanzo tsanangurwa nemagetsi emagetsi ehurongwa, ayo anoenderana nehuwandu hwemasero chaiwo:

• Masisitimu e12V (4S):magadzirirwo akajairika emagetsi anotakurika, magadzirirwo madiki ezuva, uye mabheteri anotsiviwa
• Masisitimu e24V (8S):inowanikwa mukushandiswa kwezuva mugungwa, RV, uye kushandiswa kwezuva kwepakati
• Masisitimu e48V / 51.2V (16S):kirasi yemagetsi inonyanya kushandiswa pakuchengetera simba repamba, kuisa simba rezuva rakakura, uye mareki mazhinji eESS ekutengesa

Kuwanda kwemasero kunobva pamagetsi eLiFePO4 anonzi ~3.2V pasero rega rega — 4 × 3.2V ≈ 12.8V, 8 × 3.2V ≈ 25.6V, 16 × 3.2V ≈ 51.2V.

Masisitimu ane simba guru anowanzoda kutariswa zvakanyanya nerutsigiro rweprotocol yekutaurirana, sezvo anowanzo batanidzwa ne inverter kana sisitimu yakakura yekutarisira simba inoda data renguva chaiyo kubva kuBMS.

Mibvunzo Inowanzo bvunzwa

Q1Bhatiri reLiFePO4 rinoda BMS here?

Ehe. Kunyangwe makemikari eLiFePO4 akagadzikana zvakanyanya pakupisa kupfuura mamwe ma chemicals e lithium, paki yemasero akawanda ichiri kuda BMS yekuenzanisa masero, kudzivirirwa kwekuchaja zvakanyanya/kubuda zvakanyanya, uye kuteverwa kwakarurama kwemamiriro echaja. Kumhanyisa paki yeLiFePO4 isina BMS kunobvisa zvese izvi zvekuchengetedza.

Q2Ndeupi musiyano uripo pakati peLiFePO4 BMS neBMS ye lithium-ion?

Mashandiro ekudzivirira epakati akafanana, asi ma voltage cutoffs anoiswa zvakasiyana pa chemistry yega yega — LiFePO4's per-cell voltage range yakaderera pane NCM/NMC kana NCA lithium-ion cells. BMS yakavakirwa imwe chemistry haifanirwe kushandiswa sezvairi pane imwe isina kugadzirisa patsva voltage thresholds kuti ienderane ne datasheet yesero.

Q3Ndeapi amperage BMS yandinoda papaki yeLiFePO4?

Enzanisa chiyero cheBMS chemagetsi chinoenderera mberi nechiyero chemagetsi chinoenderera mberi chesystem yako, uye sarudza modhi ine chiyero chepamusoro-soro/kukwira kwesimba rinofukidza zvakanaka mafambiro enguva pfupi (kutanga kwemota, kukwira kwesimba kwemuchina, nezvimwewo) pasina kugumburwa.

Q4Ndingagadzirisa sei LiFePO4 BMS?

Mazhinji mayuniti eBMS anodzoka otomatiki kana dambudziko rapera — semuenzaniso, kana voltage yadzoka padanho rakachengeteka mushure mekuchaja zvakanyanya kana kuburitsa zvakanyanya. Mamwe mamodheru anodawo kudzokororwazve nemaoko kwechiteshi chekuchaja kana chekuburitsa, kana kudimburwa/kubatanidzazve paki kwenguva pfupi, kuti ibvise dambudziko rakabatirira. Nguva dzose tarisa magwaro emodheru yeBMS chaiyo, sezvo maitiro ekugadzirisazve achisiyana zvichienderana nedhizaini.

Q5BMS imwe chete inogona kushanda nemakemikari akawanda e lithium here?

Mamwe mamodheru eBMS anogona kugadziriswa mumakemistri akasiyana-siyana — LiFePO4, NCM, kana LTO (lithium titanate) — kuburikidza nemagetsi anogadziriswa, asi izvi zvinofanirwa kugadziriswa nemazvo kune kemikari chaiyo iri kushandiswa. BMS ine waya yakaoma yemagetsi ekemikari imwe haifanirwe kufungidzirwa kuti yakachengeteka kune imwe isina kutanga yasimbisa kugona kwayo. Haasi mamodheru ese ari pamusika anotsigira izvi — tarisa datasheet reBMS pane kufunga kuti inotsigira makemikari akawanda nekutadza.

Kusarudza LiFePO4 BMS yePurojekiti Yako

BMS chaiyo inoenderana nevoltage yepaketi yako, huwandu hwemasero, kudhonza kwemagetsi, uye kuti inoda kutaurirana sei nedzimwe system yako. Goverana ruzivo urwu runa uye timu yehunyanzvi yeDALY inogona kukurudzira magadzirirwo akafanana: voltage yesystem/cell count (semuenzaniso 12V/4S, 24V/8S, 48V/16S), zvinodiwa zvemagetsi zvinoramba zvichienderera mberi uye zvine mwero, kushandiswa (solar/ESS, marine, RV, EV, forklift, nezvimwewo), uye protocol yekutaurirana inodiwa (RS485, CAN bus, UART, Bluetooth).

• Tsamba yemagetsi: dalybms@dalyelec.com
• Ongorora nechikamu: BMS yakangwara · BMS Yekuyera Kushanda · Kuchengetera Zvinhu Pamba BMS · BMS Yemazuva Ano Yakakwira · RV Energy Storage BMS