Gabatarwar Aiki da Binciken BMS na Batirin Lithium

Gabatarwar Aiki da Binciken BMS na Batirin Lithium

Saboda halaye nabaturi lithiumkanta, dole ne a ƙara tsarin sarrafa baturi (BMS).An haramta amfani da batura ba tare da tsarin gudanarwa ba, wanda zai sami babban haɗarin tsaro.Tsaro koyaushe shine fifiko ga tsarin baturi.Batura, idan ba a kiyaye su sosai ko sarrafa su ba, na iya samun haɗarin gajeriyar rayuwa, lalacewa, ko fashewa.

BMS: (Tsarin Gudanar da Batir) ana amfani da shi ne a cikin batura masu wuta, kamar motocin lantarki, kekunan lantarki, ajiyar makamashi da sauran manyan na'urori.

Babban ayyuka na tsarin sarrafa baturi (BMS) sun haɗa da ƙarfin baturi, zafin jiki da aunawa na yanzu, ma'aunin makamashi, lissafin SOC da nuni, ƙararrawa mara kyau, sarrafa caji da fitarwa, sadarwa, da dai sauransu, baya ga mahimman ayyukan kariya na tsarin kariya. .Wasu BMS kuma suna haɗa sarrafa zafi, dumama baturi, nazarin lafiyar baturi (SOH), ma'aunin juriya, da ƙari.

Farashin LIAO

Gabatarwar aikin BMS da bincike:
1. Kariyar baturi, mai kama da PCM, fiye da caji, fiye da fitarwa, fiye da zafin jiki, fiye da na yanzu, da kuma gajeren kariya.Kamar talakawa lithium-manganese baturi da abubuwa ukubaturi lithium-ion, tsarin ta atomatik yana yanke caji ko fitarwa da zarar ya gano cewa duk ƙarfin baturi ya wuce 4.2V ko kowane ƙarfin baturi ya faɗi ƙasa da 3.0V.Idan zafin baturi ya zarce zafin aiki na baturi ko kuma na yanzu ya zarce yawan fitarwa na tafkin baturin, tsarin ta atomatik yana yanke hanyar da ake yanzu don tabbatar da amincin baturi da tsarin.

2. Ma'aunin makamashi, dukafakitin baturi, saboda yawancin batura a cikin jerin, bayan yin aiki na wani lokaci, saboda rashin daidaituwa na baturin kanta, rashin daidaituwa na yanayin aiki da wasu dalilai, a ƙarshe zai nuna babban bambanci, yana da tasiri mai yawa akan rayuwar rayuwar baturi da kuma amfani da tsarin.Ma'aunin makamashi shine daidaita bambance-bambance tsakanin sel guda ɗaya don yin wasu cajin aiki ko aiki ko sarrafa fitarwa, don tabbatar da daidaiton baturi, tsawaita rayuwar baturi.Akwai nau'ikan nau'ikan ma'auni guda biyu da ma'auni mai aiki a cikin masana'antar.Ma'auni mai wucewa shine yafi daidaita adadin wuta ta hanyar amfani da juriya, yayin da ma'auni mai aiki galibi shine don canja wurin adadin wuta daga baturi zuwa baturi tare da ƙarancin wuta ta capacitor, inductor ko taswira.An kwatanta ma'auni mai ƙarfi da aiki a cikin tebur da ke ƙasa.Saboda tsarin ma'auni mai aiki yana da ɗan rikitarwa kuma farashin yana da girma, al'ada har yanzu ma'auni ne mara nauyi.

3. lissafin SOC,ƙarfin baturilissafi wani muhimmin bangare ne na BMS, yawancin tsarin suna buƙatar sanin daidai sauran yanayin wutar lantarki.Saboda ci gaban fasaha, lissafin SOC ya tara hanyoyi da yawa, daidaitattun buƙatun ba su da girma za a iya dogara ne akan ƙarfin baturi don yin hukunci da sauran ikon, babbar hanyar da ta dace ita ce hanyar haɗin kai na yanzu (wanda aka sani da hanyar Ah), Q = ∫i dt, da kuma hanyar juriya na ciki, hanyar sadarwar jijiya, Hanyar tace Kalman.Buga maki na yanzu shine hanya mafi rinjaye a masana'antar.

4. Sadarwa.Tsari daban-daban suna da buƙatu daban-daban don mu'amalar sadarwa.Hanyoyin sadarwa na yau da kullun sun haɗa da SPI, I2C, CAN, RS485 da sauransu.Motoci da tsarin ajiyar makamashi sun fi CAN da RS485.


Lokacin aikawa: Maris 15-2023