Wakambozvibvunza here kuti seiBMSUnogona kuona magetsi ebhatiri re lithium here? Pane multimeter yakavakirwa mairi here?
Chekutanga, kune mhando mbiri dzeBattery Management Systems (BMS): shanduro dzakangwara nedzakagadzirwa nehardware. BMS yakangwara chete ndiyo inokwanisa kutumira ruzivo rwemazuva ano, nepo shanduro yehardware isina.
BMS inowanzo kuve nedunhu rinobatanidza magetsi (IC), maswichi eMOSFET, macircuit ekutarisa magetsi, uye macircuit ekutarisa tembiricha. Chinhu chakakosha cheshanduro yakangwara iIC yekudzora, iyo inoshanda sepfungwa dzesystem yekudzivirira. Inotarisira kutarisa magetsi ebhatiri panguva chaiyo. Nekubatana nedunhu rekutarisa magetsi, IC yekudzora inogona kuwana ruzivo rwakarurama nezvemagetsi ebhatiri. Kana magetsi adarika miganhu yekuchengetedza yakatarwa, IC yekudzora inokurumidza kuita sarudzo uye inotanga zviito zvekudzivirira zvinoenderana.
Saka, magetsi anowanikwa sei?
Kazhinji, sensor yeHall effect inoshandiswa kutarisa magetsi. Iyi sensor inoshandisa hukama huripo pakati pemagetsi nemagetsi. Kana magetsi achipfuura, simba remagetsi rinogadzirwa rakatenderedza sensor. Iyo sensor inoburitsa chiratidzo chemagetsi chinoenderana nesimba remagetsi. Kana IC yekudzora yagamuchira chiratidzo ichi chemagetsi, inoverenga saizi chaiyo yemagetsi ichishandisa maalgorithms emukati.
Kana magetsi akadarika kukosha kwekuchengetedza kwakarongwa, senge overcurrent kana short-circuit current, control IC inokurumidza kudzora ma MOSFET switches kuti ibvise nzira yemagetsi, ichidzivirira bhatiri nesystem yese yemagetsi.
Pamusoro pezvo, BMS inogona kushandisa mamwe ma resistors nezvimwe zvikamu kuti zvibatsire mukutarisa magetsi. Nekuyera kudonha kwemagetsi pane resistor, saizi yemagetsi inogona kuverengwa.
Iyi nhevedzano yemagadzirirwo edunhu akaomarara uye akanyatsojeka uye nzira dzekudzora zvese zvakagadzirirwa kutarisa magetsi ebhatiri uku zvichidzivirira kubva kumamiriro ekunze akawandisa. Anoita basa rakakosha mukuona kushandiswa kwakachengeteka kwemabhatiri e lithium, kuwedzera hupenyu hwebhatiri, uye kusimbisa kuvimbika kwehurongwa hwese hwebhatiri, kunyanya mumashandisirwo eLiFePO4 nedzimwe nzira dzeBMS series.
Nguva yekutumira: Gumiguru-19-2024
