Nhanganyaya:
Machipisi ane chekuita nemagetsi agara ari chikamu chezvigadzirwa zvakagamuchira kutariswa kwakanyanya. Battery ekudzivirira machipisi imhando yemachipi ane hukama nemagetsi anoshandiswa kuona akasiyana zvikanganiso mune imwe-sero uye akawanda-sero mabhatiri. Mumazuva ano mabhatiri masisitimu, maitiro e lithium-ion mabhatiri akakodzera kwazvo anotakurika emagetsi masisitimu, asilithium mabhatiriinoda kushanda mukati memiganhu yakatarwa, ichitarisa pakuita uye kuchengeteka. Naizvozvo, kuchengetedzwa kwe lithium-ion bhatiri mapaketi kwakakosha uye kwakakosha. Iko kushandiswa kweakasiyana-siyana ekudzivirira bhatiri mabasa ndeyekudzivirira kuitika kwemamiriro ekukanganisa senge discharge overcurrent OCD uye overheating OT, uye kuwedzera kuchengetedzeka kwemabhatiri mapaketi.
Battery manejimendi sisitimu inosuma tekinoroji yekuenzanisa
Kutanga, ngatitaure nezve dambudziko rinowanzoitika rebhatiri mapaketi, kuenderana. Mushure mekunge masero mamwechete aumba lithium bhatiri pack, kupisa kunotiza uye kwakasiyana mamiriro ezvinhu anogona kuitika. Iri ndiro dambudziko rinokonzerwa nekusaenderana kwe lithium battery pack. Iwo maseru mamwechete anoumba lithium bhatiri pack haawirirane mukuwanda, kuchaja, uye kuburitsa paramita, uye "barrel effect" inoita kuti maseru ega ega ane zvimiro zvakaipisisa kukanganisa kushanda kwese kwese lithium bhatiri pack.
lithium bhatiri kuenzanisa tekinoroji inozivikanwa seyakanakisa nzira yekugadzirisa kuenderana kwe lithium bhatiri packs. Kuenzanisa ndeyekugadzirisa chaiyo-nguva voltage yemabhatiri emhando dzakasiyana nekugadzirisa kuenzanisa ikozvino. Iyo yakasimba yekuenzanisa kugona, iyo yakasimba kugona kudzvanya kuwedzera kwevoltage musiyano uye kudzivirira kupisa kunotiza, uye zvirinani kuchinjika kunelithium bhatiri pack.
Izvi zvakasiyana neyakapfava hardware-based protector. Iyo lithium bhatiri inodzivirira inogona kuve yakakosha overvoltage dziviriro kana yepamberi inodzivirira inogona kupindura undervoltage, tembiricha kukanganisa kana kukanganisa kwazvino. Kazhinji kutaura, iyo bhatiri manejimendi IC padanho relithium bhatiri yekutarisa uye geji yemafuta inogona kupa lithium bhatiri kuenzanisa basa. Iyo lithium bhatiri yekutarisa inopa lithium bhatiri kuenzanisa basa uye zvakare inosanganisira IC kuchengetedza basa nekurongeka kwepamusoro. Iyo geji yemafuta ine yakakwira dhigirii yekubatanidza, kusanganisira basa relithium bhatiri yekutarisa, uye inobatanidza advanced monitoring algorithms pahwaro hwayo.
Nekudaro, mamwe maLithium bhatiri ekudzivirira ICs ikozvino anosanganisira lithium bhatiri kuenzanisa mabasa kuburikidza neakabatanidzwa FETs, ayo anogona kuburitsa otomatiki akakwira-voltage akazara mabhatiri panguva yekuchaja uye kuchengeta yakaderera-voltage mabhatiri akateedzana akachajiwa, nekudaro kuenzanisa iyolithium bhatiri pack. Pamusoro pekuita seti yakazara yemagetsi, ikozvino uye tembiricha yekudzivirira mabasa, bhatiri yekudzivirira ICs zvakare iri kutanga kuunza kuenzanisa mabasa kuzadzisa zvinodiwa zvekudzivirira zvemabhatiri akawanda.
Kubva pakudzivirira kwekutanga kusvika pakudzivirira kwechipiri
Kubva pakudzivirira kwekutanga kusvika pakudzivirira kwechipiri
Iyo inonyanya kudzivirirwa ndeyekudzivirira kwe overvoltage. Yese lithium bhatiri yekudzivirira ICs inopa overvoltage dziviriro zvinoenderana neakasiyana mazinga ekudzivirira. Pachikonzero ichi, mamwe anopa overvoltage plus discharge overcurrent protection, uye mamwe anopa overvoltage plus discharge overcurrent plus overheating protection. Kune mamwe marefu-sero lithium bhatiri packs, kudzivirira uku hakuchakwane kuzadzisa zvinodikanwa zvelithium bhatiri pack. Panguva ino, lithium bhatiri yekudzivirira IC ine lithium bhatiri autonomous balancing basa inodiwa.
Iyi yekudzivirira IC ndeyekudzivirira kwekutanga, iyo inodzora kubhadharisa uye kuburitsa maFET kupindura kumhando dzakasiyana dzekudzivirira kukanganisa. Kuenzanisa uku kunogona kugadzirisa dambudziko rekupisa kwekupisa kweiyolithium bhatiri packzvakanakisa. Kuwedzera kupisa kuunganidza mune imwe chete lithium bhatiri kuchakonzera kukuvadzwa kune lithium bhatiri pack balance switch uye resistors. lithium bhatiri kuenzanisa inobvumira imwe neimwe isina-yakakanganisika lithium bhatiri mu lithium bhatiri pack kuti ive yakaenzana kune imwecheteyo hukama semamwe mabhatiri akaremara, kuderedza njodzi yekupisa kwekutiza.
Parizvino, pane nzira mbiri dzekuwana lithium bhatiri kuenzanisa: inoshanda kuenzanisa uye passive kuenzanisa. Active balancing ndeye kuendesa simba kana kuchaja kubva pahigh-voltage/high-SOC mabhatiri kuenda kumabhatiri eSOC akaderera. Passive balancing ndeye kushandisa resistors kushandisa simba re high-voltage kana high-charge mabhatiri kuzadzisa chinangwa chekudzikisa gap pakati pemabhatiri akasiyana. Passive balancing ine simba rakanyanya kurasikirwa uye njodzi yekupisa. Mukuenzanisa, kushanda kwekuenzanisa kunonyanya kushanda, asi kutonga algorithm yakaoma zvikuru.
Kubva pakudzivirira kwekutanga kusvika pakuchengetedzwa kwechipiri, iyo lithium bhatiri system inoda kuve yakashongedzerwa ne lithium bhatiri yekutarisa kana geji yemafuta kuti uwane kuchengetedzwa kwechipiri. Kunyangwe kuchengetedzwa kwekutanga kuchigona kuita akangwara bhatiri kuenzanisa algorithms pasina MCU kutonga, chechipiri chekudzivirira chinoda kufambisa lithium bhatiri voltage uye yazvino kuMCU yekuita sarudzo-nhanho. lithium bhatiri monitors kana mafuta geji zvine basa rekuenzanisa bhatiri.
Mhedziso
Kunze kwezviyereso zvebhatiri kana geji remafuta anopa basa rekuyeresa bhatiri, maIC ekudzivirira anopa dziviriro yepakutanga haachagumiri pakudzivirira kwekutanga sekuwedzeredza. Nekuwedzera kwekushandiswa kwema-multi-celllithium mabhatiri, hukuru-hukuru bhatiri packs ichava nepamusoro uye yakakwirira zvinodiwa zvekudzivirira ICs, uye kuiswa kwekuenzanisa mabasa kunonyanya kukosha.
Kuenzanisa kwakafanana nemhando yekuchengetedza. Kuchaja kwega kwega uye kubuda kuchave nekamwe kamari kekuenzanisa muripo wekuenzanisa misiyano pakati pemabhatiri. Nekudaro, kana bhatiri sero kana bhatiri paki pachayo iine hurema hwemhando, kudzivirira uye kuenzanisa hakugone kuvandudza kunaka kwebhatiri pack, uye haisi kiyi yepasirese.
Kana uine chero mibvunzo kana uchida kudzidza zvakawanda, ndapota usazezasvika kwatiri.
Chikumbiro cheQuotesheni:
Jacqueline:jacqueline@heltec-bms.com/ +86 185 8375 6538
Sucre:sucre@heltec-bms.com/ +86 136 8844 2313
Nancy:nancy@heltec-bms.com/ +86 184 8223 7713
Nguva yekutumira: Oct-21-2024