Chii chinonzi bhatiri manejimendi system (BMS)?
Zita rizere reBMSndeye Battery Management System, bhatiri manejimendi system. Icho chishandiso chinoshanda pamwe nekutarisa mamiriro ebhatiri rekuchengetedza simba. Izvo zvinonyanya kungwarisa manejimendi uye kugadzirisa kwebhatiri yuniti yega yega, kudzivirira bhatiri kubva pakuchajisa uye kuwedzera-kuburitsa, kurebesa hupenyu hwesevhisi yebhatiri, uye kutarisa mamiriro ebhatiri. Kazhinji, BMS inomiririrwa sebhodhi redunhu kana bhokisi rehardware.
BMS ndeimwe yepakati subsystems yebhatiri simba rekuchengetedza system. Iyo ine basa rekutarisa mamiriro ekushanda kwebhatiri rega rega mubhatiri simba rekuchengetedzachikwata chekuvimbisa kushanda kwakachengeteka uye kwakavimbika kwesimba rekuchengetedza simba. Iyo BMS inogona kutarisa uye kuunganidza mamiriro emamiriro eiyo simba rekuchengetedza bhatiri munguva chaiyo (kusanganisira asi isina kuganhurirwa kune voltage yebhatiri rimwe chete, tembiricha yebhatiri danda, ikozvino yebhatiri redunhu, iyo terminal voltage yebhatiri pack, kudzivirira kwekudzivirira kwebhatiri system, nezvimwewo), uye kuita zvinodiwa Zvinoenderana nekuongorora uye kuverenga kweiyo sisitimu, yakanyatso shanda system kudzora mamiriro ekuongorora uye ma paramita anowanikwa.bhatiri rekuchengetedza simbamuviri unoitwa zvinoenderana neyakajeka yekudzivirira yekudzora nzira, kuitira kuti uve nechokwadi chekuchengetedza uye kwakavimbika kushanda kweiyo yese bhatiri simba rekuchengetedza unit. Panguva imwecheteyo, BMS inogona kuchinjana ruzivo nemimwe michina yekunze (PCS, EMS, fire protection system, etc.) kuburikidza neyayo yekutaurirana interface, analog/digital input, uye yekuisa interface, uye kuumba yekubatanidza kutonga kweakasiyana-siyana subsystems munzvimbo yese yekuchengetedza simba rekuchengetedza simba kuti ive nechokwadi chekuchengetedza uye kuvimbika kwechiteshi chemagetsi, Inoshanda grid-yakabatana kushanda.
Chii basa reBMS?
Kune akawanda mabasa eBMS, uye akanyanya kukosha, ayo atinonyanya kunetsekana nawo, haasi chinhu chinopfuura matatu maficha: manejimendi, manejimendi manejimendi, uye kuchengetedza manejimendi.
State management function yebhatiri manejimendi system
Tinoda kuziva kuti bhatiri rakamira sei, chii chinonzi voltage, simba rakawanda sei, simba rakawanda sei, uye chii chiri kubhadharisa uye kuburitsa ikozvino, uye iyo BMS state management basa ichatiudza mhinduro. Basa rekutanga reBMS kuyera uye kufungidzira bhatiri paramita, kusanganisira yekutanga paramita uye nyika senge voltage, ikozvino, uye tembiricha, uye kuverenga kwebhatiri data data seSOC neSOH.
Kuyera kwesero
Yekutanga ruzivo kuyerwa: Iyo inonyanya kukosha basa reiyo bhatiri manejimendi system kuyera voltage, ikozvino, uye tembiricha yebhatiri cell, inova hwaro hwepamusoro-chikamu kuverenga uye kutonga mantiki yeese mabhatiri masisitimu.
Insulation kuramba yekuona: Mune bhatiri manejimendi system, kuvharidzira kutaridzika kweiyo yese bhatiri system uye yakakwirira-voltage system inodiwa.
SOC kuverenga
SOC inoreva State of Charge, iyo yasara huwandu hwebhatiri. Zvichitaurwa zviri nyore, isimba rakadii rasara mubhatiri.
SOC ndiyo inonyanya kukosha parameter muBMS, nekuti zvimwe zvese zvakavakirwa paSOC, saka kurongeka kwayo kwakakosha zvakanyanya. Kana pasina SOC chaiyo, hapana huwandu hwemabasa ekudzivirira anogona kuita kuti BMS ishande zvakajairika, nekuti bhatiri rinowanzo chengetedzwa, uye hupenyu hwebhatiri haugone kuwedzerwa.
Iyo yazvino nzira dzekufungidzira dzeSOC dzinosanganisira yakavhurika yedunhu voltage nzira, yazvino nzira yekubatanidza, Kalman sefa nzira, uye neural network nzira. Iwo maviri ekutanga anonyanya kushandiswa.
Balance management function yebhatiri manejimendi system
Bhatiri rimwe nerimwe rine "hunhu" hwayo. Kuti titaure pamusoro pekuenzanisa, tinofanira kutanga nebhatiri. Kunyange mabhatiri anogadzirwa nemugadziri mumwechete mubatch imwechete ane hupenyu hwawo uye "hunhu" hwawo - huwandu hwebhatiri rega rega hahugone kufanana chaizvo. Kune marudzi maviri ezvikonzero zvekusaenderana uku:
Kusaenderana mukugadzirwa kwesero uye kusagadzikana mune electrochemical reactions
kugadzirwa kusaenderana
Kusawirirana kwekugadzira kunonzwisiswa zvakanaka. Semuenzaniso, mukugadzirwa kwekugadzira, separator, cathode, uye anode zvinhu hazvienderani, zvichikonzera kusawirirana muhuwandu hwebheteri.
Electrochemical inconsistency inoreva kuti mukuita kwekuchaja nekuburitsa bhatiri, kunyangwe kugadzirwa nekugadziriswa kwemabhatiri maviri akanyatsofanana, nharaunda yekupisa haigone kuenderana panguva ye electrochemical reaction.
Tinoziva kuti kunyanya-kuchaja uye kuburitsa zvakanyanya kunogona kukanganisa bhatiri. Naizvozvo, kana bhatiri B rakazara pakuchaja, kana iyo SOC yebhatiri B yatove yakaderera zvakanyanya pakuburitsa, zvinofanirwa kumisa kuchaja uye kuburitsa kudzivirira bhatiri B, uye simba rebhatiri A uye bhatiri C harigone kushandiswa zvizere. Izvi zvinoguma ne:
Kutanga, Iyo chaiyo inoshandiswa simba rebhatiri pack yakaderedzwa: simba iro mabhatiri A neC angadai akashandisa, asi ikozvino hapana nzvimbo yekushandisa simba kuti utarisire B, kungofanana nevanhu vaviri nemakumbo matatu anosunga kureba uye kupfupi pamwe chete, uye nhanho dzakareba dzinononoka. Haikona kuita nhanho huru.
Chechipiri, Upenyu hwebheteri pack hunoderedzwa: nhanho iduku, nhamba yematanho anodiwa kuti afambe anowedzera, uye makumbo anowedzera kuneta; hukuru hunoderedzwa, uye nhamba yezvikamu zvinoda kubhadharwa uye kubudiswa zvinowedzera, uye kuderedzwa kwebhatiri zvakare kukuru. Semuenzaniso, imwe bhatiri sero inogona kusvika ku4000 cycles pasi pemamiriro e100% kubhadharisa uye kubudiswa, asi haigoni kusvika ku100% mukushandiswa kwechokwadi, uye nhamba yezvikamu haifaniri kusvika 4000 nguva.
Kune maviri mahombe ekuyeresa modhi yeBMS, passive balancing uye inoshanda kuenzanisa.
Iyo yazvino yepassive kuenzana idiki, senge passive yakaenzana yakapihwa neDALY BMS, ine yakaringana ikozvino ye30mA chete uye yakareba bhatiri voltage yakaenzana nguva.
Iyo inoshanda balancing ikozvino yakakura, sengeactive balanceryakagadzirwa neDALY BMS, inosvika pakuyeresa ikozvino ye1A uye ine ipfupi bhatiri voltage kuenzanisa nguva.
Kudzivirirwa basa rebhatiri manejimendi system
Iyo BMS yekutarisa inoenderana nehardware yemagetsi system. Zvinoenderana neakasiyana maitiro ekuita kwebhatiri, yakakamurwa kuita akasiyana zvikanganiso (zvikanganiso zvidiki, zvikanganiso zvakakomba, zvikanganiso zvinouraya), uye akasiyana matanho ekugadzirisa anotorwa pasi peakasiyana mazinga ekukanganisa: yambiro, muganhu wesimba kana kucheka yakakwira voltage zvakananga. Mhosho dzinosanganisira kutora data uye kukanganisa kunzwisisika, kutadza kwemagetsi (sensors nemaakita), kukanganisa kutaurirana, uye kukanganisa kwemamiriro ebhatiri.
Muenzaniso wakajairika ndewekuti kana bhatiri ranyanya kupisa, BMS inotonga kuti bhatiri rinopisa zvichienderana neyakaunganidzwa tembiricha yebhatiri, uye ipapo dunhu rinotonga bhatiri rinobviswa kuti riite kudzivirira kupisa uye kutumira alarm kune EMS uye mamwe masisitimu ekutungamira.
Sei kusarudza DALY BMS?
DALY BMS, ndeimwe yeakakura mabhatiri manejimendi system (BMS) vagadziri muChina, ine vashandi vanopfuura mazana masere, musangano wekugadzira wemakumi maviri emamita emamita uye anopfuura zana R&D mainjiniya. Zvigadzirwa kubva kuDaly zvinotumirwa kune dzinopfuura 150 nyika nematunhu.
Professional kuchengetedza kuchengetedza basa
Iyo smart board uye hardware board ine 6 makuru ekudzivirira mabasa:
Kudzivirirwa kwepamusoro: Kana bhatiri cell voltage kana bhatiri pack voltage yasvika padanho rekutanga recharge voltage, meseji yambiro inopihwa, uye kana voltage yasvika padanho repiri recharge voltage, DALY BMS inozodzima magetsi.
Kudzivirirwa kwepamusoro-kubvisa: Kana iyo voltage yebhatiri sero kana bhatiri paki yasvika padanho rekutanga re-over-discharge voltage, meseji yambiro ichapihwa. Kana magetsi asvika padanho repiri re-over-discharge voltage, DALY BMS inozodzima magetsi.
Kudzivirirwa kwepamusoro-ikozvino: Kana bhatiri richibuda parizvino kana kuchaja ikozvino rasvika padanho rekutanga repamusoro-razvino, meseji yambiro ichapihwa, uye kana yazvino yasvika padanho rechipiri repamusoro-razvino, DALY BMS inozodzima magetsi.
Kudzivirirwa kwetembiricha: Lithium mabhatiri haagone kushanda zvakajairwa pasi pepamusoro uye pasi tembiricha mamiriro. Kana tembiricha yebhatiri yakakwira zvakanyanya kana kuti yakaderera kusvika padanho rekutanga, meseji yambiro inoburitswa, uye kana yasvika padanho rechipiri, DALY BMS inozodzima magetsi.
Kudzivirirwa kwepfupi-redunhu: Kana dunhu rakapfupika, iro razvino rinowedzera ipapo ipapo, uye DALY BMS inozodzima otomatiki magetsi.
Professional balance management basa
Balanced manejimendi: Kana bhatiri cell voltage musiyano wakakurisa, zvinokanganisa kushandiswa kwakajairwa kwebhatiri. Semuenzaniso, bhatiri rinodzivirirwa kubva kune yakawandisa nguva isati yasvika, uye bhatiri harina kubhadharwa zvakakwana, kana bhatiri rinodzivirirwa kubva pakudarika-kubuda mberi, uye bhatiri haigoni kubudiswa zvakakwana. DALY BMS ine yayo passive kuenzana basa, uye yakagadzirawo inoshanda yakaenzana module. Iyo yakanyanya kuenzana ikozvino inosvika 1A, iyo inogona kurebesa hupenyu hwesevhisi yebhatiri uye nekuona kushandiswa kwakajairwa kwebhatiri.
Professional state management basa uye basa rekutaurirana
Chimiro chekugadzirisa basa chine simba, uye chigadzirwa chimwe nechimwe chinosangana nekuongororwa kwehutano hwakasimba chisati chabuda mufekitari, kusanganisira kuongorora kuvhara, kuongororwa kwechokwadi kwemazuva ano, kuongororwa kwekugadzirisa kwezvakatipoteredza, nezvimwewo. Ipa yakakwira-chaiyo SOC basa, tora mainstream ampere-awa yekubatanidza nzira, iko kukanganisa kunongova 8%.
Kuburikidza nenzira nhatu dzekutaurirana dzeUART/ RS485/ CAN, dzakabatana nekombuta inotambira kana bhatiri rekubata, bluetooth uye light board kubata lithium bhatiri. Tsigira mainstream inverters kutaurirana mapuroteni, akadai seChina Shongwe, GROWATT, DEY E, MU ST, GOODWE, SOFAR, SRNE, SMA, nezvimwe.
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Nguva yekutumira: May-14-2023
