Kodi Battery Management System ndi chiyani?

Tanthauzo

Battery management system (BMS) ndiukadaulo woperekedwa kuyang'anira batire paketi, yomwe ndi gulu la ma cell a batri, opangidwa ndi magetsi motsatana x column matrix kasinthidwe kuti athe kubweretsa mitundu yosiyanasiyana yamagetsi ndi yapano kwa nthawi yayitali motsutsana. zoyembekezeredwa katundu.Kuyang'anira komwe BMS imapereka nthawi zambiri kumaphatikizapo:

• Kuyang'anira batire
• Kupereka chitetezo cha batri
• Kuyerekeza momwe batire imagwirira ntchito
• Kupititsa patsogolo magwiridwe antchito a batri
• Kupereka lipoti momwe ntchito ikugwirira ntchito kuzipangizo zakunja

Apa, mawu oti "batri" amatanthauza paketi yonse;komabe, ntchito zowunikira ndi kuwongolera zimagwiritsidwa ntchito makamaka pamaselo amodzi, kapena magulu a maselo otchedwa ma modules mu msonkhano wonse wa batri.Maselo owonjezera a Lithium-ion ali ndi mphamvu zochulukirapo kwambiri ndipo ndi chisankho chokhazikika pamapaketi a batri pazinthu zambiri zogula, kuyambira pa laputopu kupita kumagalimoto amagetsi.Ngakhale zimagwira ntchito bwino kwambiri, zimatha kukhala zosakhululuka ngati zitagwiritsidwa ntchito kunja kwa malo otetezeka otetezeka (SOA), zotulukapo zake kuyambira pakusokoneza magwiridwe antchito a batri mpaka zowopsa.BMS ili ndi kufotokozera kwantchito kovuta, ndipo zovuta zake zonse ndi kuyan'anila kutha kupitilira magawo ambiri monga magetsi, digito, control, thermal, and hydraulic.

Kodi Ma Battery Management System Amagwira Ntchito Motani?

Makina oyang'anira mabatire alibe njira zokhazikika kapena zapadera zomwe ziyenera kutsatiridwa.Kuchuluka kwa kapangidwe ka teknoloji ndi zomwe zimagwiritsidwa ntchito nthawi zambiri zimagwirizana ndi:

• Mtengo, zovuta, ndi kukula kwa batire paketi
• Kugwiritsa ntchito batri ndi chitetezo chilichonse, moyo wautali, ndi nkhawa za chitsimikizo
• Zofunikira za chiphaso kuchokera kumalamulo osiyanasiyana aboma komwe ndalama ndi zilango ndizofunikira kwambiri ngati palibe njira zoyendetsera chitetezo chokwanira.

Pali zinthu zambiri zamapangidwe a BMS, ndikuwongolera chitetezo cha batire ndi kasamalidwe ka mphamvu kukhala zinthu ziwiri zofunika.Tikambirana momwe mbali ziwirizi zimagwirira ntchito pano.Kasamalidwe ka chitetezo cha batri ili ndi mabwalo awiri ofunikira: chitetezo chamagetsi, zomwe zikutanthauza kuti salola kuti batri liwonongeke pogwiritsa ntchito kunja kwa SOA yake, ndi chitetezo chamafuta, chomwe chimaphatikizapo kuwongolera kutentha komanso / kapena kuwongolera kutentha kuti musunge kapena kubweretsa paketiyo mu SOA yake.

Chitetezo cha Electrical Management: Panopa

Kuwunika batire pack panopa ndi ma cell kapena ma module voltages ndiye njira yopita kuchitetezo chamagetsi.SOA yamagetsi ya selo iliyonse ya batri imamangidwa ndi zamakono ndi magetsi.Chithunzi 1 chikuwonetseratu selo la lithiamu-ion cell SOA, ndipo BMS yokonzedwa bwino idzateteza paketiyo poletsa kugwira ntchito kunja kwa ma cell a wopanga.Nthawi zambiri, kunyoza kwina kungagwiritsidwe ntchito kukhala mkati mwa malo otetezeka a SOA pofuna kupititsa patsogolo moyo wa batri.

Maselo a lithiamu-ion ali ndi malire apano akuchapira kuposa kutulutsa, ndipo mitundu yonse iwiri imatha kuthana ndi mafunde okwera kwambiri, ngakhale kwakanthawi kochepa.Opanga ma cell a mabatire nthawi zambiri amatchula malire ochulukira opitilira kuyitanitsa ndi kutulutsa, komanso kuyitanitsa kwambiri komanso kutulutsa malire apano.BMS yopereka chitetezo chapano idzagwiritsanso ntchito pakali pano mosalekeza.Komabe, izi zikhoza kutsatiridwa chifukwa cha kusintha kwadzidzidzi kwa katundu;mwachitsanzo, kuthamanga kwadzidzidzi kwa galimoto yamagetsi.BMS ikhoza kuphatikizira kuyang'anira kwamakono pophatikiza nthawi yomwe ilipo komanso pambuyo pa delta, kuganiza zochepetsera zomwe zilipo kapena kusokoneza paketi yonse.Izi zimalola BMS kukhala ndi chidwi chanthawi yomweyo nsonga zaposachedwa kwambiri, monga mawonekedwe afupipafupi omwe sanatenge chidwi ndi ma fuse okhalamo, komanso kukhululuka pazofunikira zazikulu, bola ngati sizikuchulukirachulukira. yaitali.

Chitetezo cha Magetsi: Voltage

Chithunzi 2 chikuwonetsa kuti selo la lithiamu-ion liyenera kugwira ntchito mkati mwamtundu wina wamagetsi.Malire awa a SOA pamapeto pake adzatsimikiziridwa ndi chemistry yamkati ya cell yosankhidwa ya lithiamu-ion komanso kutentha kwa ma cell nthawi iliyonse.Komanso, popeza paketi iliyonse ya batri imakhala ndi kuchuluka kwa njinga zamakono, kutulutsa chifukwa chofuna katundu ndi kulipiritsa kuchokera ku mphamvu zosiyanasiyana, malire a magetsi a SOA nthawi zambiri amakakamizika kupititsa patsogolo moyo wa batri.BMS iyenera kudziwa malire awa ndipo idzalamula zisankho kutengera kuyandikira kwa malire awa.Mwachitsanzo, ikayandikira malire amagetsi okwera kwambiri, BMS ingapemphe kuchepetsedwa kwapang'onopang'ono kwacharge, kapena ingapemphe kuti kuyitanitsa kuthetsedwe ngati malirewo afikira.Komabe, malirewa nthawi zambiri amatsagana ndi zoonjezera zamkati zamagetsi hysteresis kuti mupewe kulankhulana kokhudza kutseka.Kumbali inayi, ikayandikira malire otsika, BMS imapempha kuti katundu wokhumudwitsa achepetse zomwe akufuna.Pankhani yagalimoto yamagetsi, izi zitha kuchitika mwa kuchepetsa torque yomwe imaloledwa kupezeka pagalimoto yoyendetsa.Zachidziwikire, BMS iyenera kupanga zofunikira zachitetezo kwa dalaivala kukhala chinthu chofunikira kwambiri ndikuteteza batire paketi kuti isawonongeke kosatha.

Chitetezo cha Kutentha Kwambiri: Kutentha

Pamaso pake, zitha kuwoneka kuti ma cell a lithiamu-ion ali ndi kutentha kwakukulu kogwira ntchito, koma mphamvu yonse ya batri imachepa pakutentha kochepa chifukwa kuchuluka kwamankhwala kumachepa kwambiri.Ponena za kuthekera kwa kutentha kochepa, amachita bwino kwambiri kuposa mabatire a lead-acid kapena NiMh;komabe, kuwongolera kutentha ndikofunika mwanzeru popeza kulipira pansi pa 0 °C (32 °F) kumakhala kovuta.Chodabwitsa cha plating ya zitsulo lifiyamu zitha kuchitika pa anode panthawi ya kuzizira kozizira.Izi ndizowonongeka kosatha ndipo sizimangopangitsa kuchepa kwa mphamvu, koma maselo amatha kulephera ngati akugwedezeka kapena zovuta zina.BMS imatha kuwongolera kutentha kwa paketi ya batri kudzera mu kutentha ndi kuziziritsa.

Kasamalidwe ka kutentha kokhazikika kumadalira kukula ndi mtengo wa batire paketi ndi zolinga zogwirira ntchito, kapangidwe ka BMS, ndi gawo lazogulitsa, zomwe zingaphatikizepo kulingalira za dera lomwe mukufuna (monga Alaska motsutsana ndi Hawaii).Mosasamala mtundu wa chotenthetsera, nthawi zambiri imakhala yothandiza kwambiri kutenga mphamvu kuchokera kugwero lamagetsi lakunja la AC, kapena batire ina yokhazikika yomwe cholinga chake ndi kugwiritsa ntchito chotenthetsera ikafunika.Komabe, ngati chotenthetsera chamagetsi chili ndi mphamvu pang'ono, mphamvu yochokera pa batire yoyamba imatha kujambulidwa kuti itenthetse yokha.Ngati makina otenthetsera a hydraulic akhazikitsidwa, chowotcha chamagetsi chimagwiritsidwa ntchito kutenthetsa choziziritsa kukhosi chomwe chimapopedwa ndikugawidwa pagulu lonse la paketi.

Akatswiri opanga mapangidwe a BMS mosakayikira ali ndi zidule zamalonda awo opanga kuti achepetse mphamvu ya kutentha mu paketi.Mwachitsanzo, zamagetsi zamagetsi zosiyanasiyana mkati mwa BMS zoperekedwa pakuwongolera mphamvu zitha kuyatsidwa.Ngakhale sizothandiza ngati kutentha kwachindunji, zimatha kuthandizidwa mosasamala kanthu.Kuziziritsa ndikofunikira kwambiri kuti muchepetse kutayika kwa batire la lithiamu-ion batire.Mwachitsanzo, mwina batire yopatsidwa imagwira ntchito bwino pa 20°C;Ngati kutentha kwa paketi kukuwonjezeka kufika 30 ° C, kugwira ntchito kwake kumatha kuchepetsedwa ndi 20%.Ngati paketiyo ikulipiritsidwa mosalekeza ndikulipitsidwanso pa 45 ° C (113 ° F), kutayika kwa magwiridwe antchito kumatha kukwera mpaka 50%.Moyo wa batri ungathenso kuvutika ndi kukalamba msanga ndi kuwonongeka ngati nthawi zonse akukumana ndi kutentha kwambiri, makamaka panthawi yochajisa ndi kutulutsa.Kuziziritsa nthawi zambiri kumatheka ndi njira ziwiri, zongokhala kapena zogwira ntchito, ndipo njira zonse ziwirizi zitha kugwiritsidwa ntchito.Kuziziritsa kwapang'onopang'ono kumadalira kuyenda kwa mpweya kuti uziziziritsa batire.Pankhani ya galimoto yamagetsi, izi zikutanthauza kuti ikungoyenda mumsewu.Komabe, zitha kukhala zotsogola kwambiri kuposa momwe zimawonekera, popeza masensa akuthamanga kwa mpweya amatha kuphatikizidwa ndi madamu ampweya opotoka kuti apititse patsogolo kuyenda kwa mpweya.Kukhazikitsa fani yoyendetsedwa ndi kutentha kumatha kuthandizira pa liwiro lotsika kapena galimoto itayima, koma zonse zomwe mungachite ndikungofanana ndi paketiyo ndi kutentha kozungulira.Pakachitika tsiku lotentha kwambiri, izi zitha kuwonjezera kutentha kwa paketi yoyamba.Kuzizira kotentha kwa hydraulic kumatha kupangidwa ngati njira yowonjezera, ndipo nthawi zambiri kumagwiritsa ntchito coolant ya ethylene-glycol yokhala ndi chiŵerengero chosakanikirana, choyendetsedwa ndi pampu yamagetsi yoyendetsedwa ndi mota kudzera pa mapaipi/hose, manifolds ogawa, chosinthira kutentha (radiator) , ndi mbale yozizira yomwe imakhala motsutsana ndi gulu la batire.BMS imayang'anira kutentha pa paketi, ndikutsegula ndi kutseka ma valve osiyanasiyana kuti asunge kutentha kwa batri yonse mkati mwa kutentha kochepa kuti atsimikizire kuti batire ikugwira ntchito bwino.

Kuwongolera Mphamvu

Kuchulukitsa kuchuluka kwa paketi ya batri mosakayikira ndichimodzi mwazinthu zofunika kwambiri zomwe BMS imapereka.Ngati kukonzaku sikunachitike, batire paketi imatha kudzipangitsa kukhala yopanda ntchito.Chomwe chimayambitsa vutoli ndi chakuti batire paketi "stack" (ma cell angapo) siwofanana bwino ndipo mwachibadwa imakhala ndi kutayikira kosiyana pang'ono kapena kutulutsa zokha.Kutayikira si vuto la wopanga koma mawonekedwe a batri, ngakhale zitha kukhudzidwa ndikusintha kwakanthawi kochepa.Poyambirira paketi ya batri imatha kukhala ndi ma cell ofananira bwino, koma pakapita nthawi, kufanana kwa selo ndi selo kumasokonekera, osati chifukwa chodzitulutsa, komanso kumakhudzidwa ndi njinga yamoto / kutulutsa, kutentha kwambiri, komanso kukalamba kwa kalendala.Ndi zomveka, kumbukirani m'mbuyomu zokambirana kuti maselo a lithiamu-ion amachita bwino kwambiri, koma akhoza kukhala osakhululuka ngati agwiritsidwa ntchito kunja kwa SOA yolimba.Tidaphunzira kale za chitetezo chofunikira chamagetsi chifukwa ma cell a lithiamu-ion sachita bwino ndi kulipiritsa mopitilira muyeso.Akamangirizidwa, sangathe kuvomerezanso zapano, ndipo mphamvu ina iliyonse ikakankhidwiramo imasinthidwa ndi kutentha, ndipo mphamvu yamagetsi imatha kukwera mwachangu, mwina mpaka kumlingo wowopsa.Sikuti ndi thanzi labwino kwa selo ndipo lingayambitse kuwonongeka kosatha ndi zochitika zosatetezeka ngati zipitirira.

Ma cell a batire pack ndi omwe amatsimikizira kuchuluka kwa paketi yonse, ndipo kusagwirizana pakati pa ma cell oyandikana nawo kumabweretsa vuto poyesa kulipiritsa stack iliyonse.Chithunzi 3 chikuwonetsa chifukwa chake zili choncho.Ngati m'modzi ali ndi ma cell olinganiza bwino, zonse zili bwino chifukwa chilichonse chimakwera mofanana, ndipo magetsi amatha kudulidwa akafika kumtunda kwa 4.0 voliyumu kudula.Komabe, muzochitika zosawerengeka, selo lapamwamba lidzafika malire ake oyambirira, ndipo ndalama zolipiritsa ziyenera kuthetsedwa pa mwendo ma cell ena apansi asanaperekedwe mokwanira.

BMS ndi yomwe imalowa ndikusunga tsiku, kapena batire paketi pankhaniyi.Kuti muwonetse momwe izi zimagwirira ntchito, tanthauzo lalikulu liyenera kufotokozedwa.Kuchulukirachulukira (SOC) kwa selo kapena gawo pa nthawi yoperekedwa kumayenderana ndi mtengo womwe umapezeka pokhudzana ndi mtengo wonse ukaperekedwa.Chifukwa chake, batire yomwe imakhala pa 50% SOC imatanthawuza kuti ndi 50% yaimbidwa, yomwe ili yofanana ndi chiwerengero cha mafuta oyenerera.Kuwongolera mphamvu za BMS ndizokhudza kulinganiza kusiyanasiyana kwa SOC kudutsa mulu uliwonse pagulu la paketi.Popeza SOC sichulukidwe choyezeka mwachindunji, imatha kuyerekezedwa ndi njira zosiyanasiyana, ndipo dongosolo lolinganiza palokha limagwera m'magulu akulu awiri, osakhazikika komanso ogwira ntchito.Pali mitundu yosiyanasiyana ya mitu, ndipo mtundu uliwonse uli ndi zabwino ndi zoyipa.Zili kwa mainjiniya opanga BMS kuti asankhe chomwe chili choyenera pa paketi ya batri yopatsidwa ndikugwiritsa ntchito kwake.Passive balancing ndiyo yosavuta kugwiritsa ntchito, komanso kufotokoza lingaliro la kusanja.Njira yokhayo imalola kuti selo iliyonse mu muluwo ikhale ndi mphamvu yolipiridwa mofanana ndi selo yofooka kwambiri.Pogwiritsa ntchito mphamvu yocheperako, imatseka mphamvu pang'ono kuchokera ku ma cell apamwamba a SOC panthawi yolipiritsa kuti ma cell onse azilipira ku SOC yawo yayikulu.Chithunzi 4 chikuwonetsa momwe izi zimakwaniritsidwira ndi BMS.Imayang'anira selo lililonse ndikuwonjezera chosinthira cha transistor ndi choletsa chotulutsa chokwanira molingana ndi selo lililonse.BMS ikazindikira kuti selo yatsala pang'ono kutsala pang'ono kuchuluka, imayendetsa magetsi ochulukirapo kupita ku selo ina ili m'munsimu mokwera pansi.

Mapeto a kusanja, isanafike ndi pambuyo pake, akuwonetsedwa mu Chithunzi 5. Mwachidule, BMS imalinganiza stack ya batri mwa kulola selo kapena gawo mu stack kuti liwone kutentha kosiyana ndi paketi yamakono mu imodzi mwa njira izi:

• Kuchotsa ndalama kuma cell omwe amadzaza kwambiri, zomwe zimapangitsa kuti pakhale chiwongolero chowonjezera pakalipano kuti apewe kuchulukirachulukira, ndikupangitsa kuti ma cell omwe salipiritsa alandire ndalama zambiri.
• Kuwongolera kwina kapena pafupifupi mphamvu zonse zolipiritsa kuzungulira ma cell omwe ali ndi chaji kwambiri, zomwe zimapangitsa kuti ma cell omwe salipiritsa azilandira ndalama zolipirira kwa nthawi yayitali.

Mitundu Yamachitidwe a Battery Management

Makina oyang'anira mabatire amachokera ku zosavuta mpaka zovuta ndipo amatha kugwiritsa ntchito matekinoloje osiyanasiyana kuti akwaniritse malangizo awo "kusamalira batri."Komabe, machitidwewa amatha kukhala m'magulu kutengera ma topology awo, omwe amakhudzana ndi momwe amayikidwira ndikugwira ntchito pama cell kapena ma module pa batire paketi.

Centralized BMS Architecture

Ili ndi BMS imodzi yapakati pagulu la batire.Maphukusi onse a batri amalumikizidwa ku BMS yapakati mwachindunji.Mapangidwe a BMS yapakati akuwonetsedwa mu Chithunzi 6. BMS yapakati ili ndi ubwino wake.Ndiwophatikizika kwambiri, ndipo imakonda kukhala yotsika mtengo kwambiri popeza pali BMS imodzi yokha.Komabe, pali kuipa kwa BMS yapakati.Popeza mabatire onse amalumikizidwa ku BMS mwachindunji, BMS imafunikira madoko ambiri kuti ilumikizane ndi mapaketi onse a batri.Izi zimatanthawuza mawaya ambiri, ma cabling, zolumikizira, ndi zina zambiri mumapaketi akulu akulu a batri, zomwe zimasokoneza zonse ziwiri kuthetsa mavuto ndi kukonza.

Modular BMS Topology

Mofanana ndi kukhazikitsa kwapakati, BMS imagawidwa m'ma module angapo obwerezabwereza, iliyonse ili ndi mtolo wodzipereka wa mawaya ndi maulumikizidwe ku gawo loyandikana nalo la stack ya batri.Onani Chithunzi 7. Nthawi zina, ma submodule a BMS akhoza kukhala pansi pa kuyang'anira ma module a BMS omwe ntchito yake ndikuyang'anira momwe ma submodules alili ndi kuyankhulana ndi zipangizo zotumphukira.Chifukwa cha kubwereza kobwerezabwereza, kuthetsa mavuto ndi kukonza n'kosavuta, ndipo kuwonjezera ku mapaketi akuluakulu a batri ndikosavuta.Choyipa chake ndichakuti ndalama zonse ndizokwera pang'ono, ndipo zitha kukhala zobwerezabwereza zomwe sizinagwiritsidwe ntchito kutengera zomwe zagwiritsidwa ntchito.

BMS Yoyambira / Yocheperako

Malingaliro ofanana ndi ma modular topology, komabe, mu nkhani iyi, akapolo amakhala ochepa kwambiri pakungotumiza zidziwitso zoyezera, ndipo mbuyeyo amadzipereka pakuwerengera ndi kuwongolera, komanso kulumikizana kwakunja.Chifukwa chake, ngakhale ngati mitundu yofananira, mtengo wake ukhoza kukhala wotsika chifukwa magwiridwe antchito a akapolo amakhala osavuta, okhala ndi mawonekedwe ocheperako komanso osagwiritsidwa ntchito.

Kugawidwa kwa BMS Architecture

Zosiyana kwambiri ndi ma topology ena, pomwe zida zamagetsi ndi mapulogalamu zimayikidwa m'ma module omwe amalumikizana ndi ma cell kudzera m'mitolo ya mawaya olumikizidwa.BMS yogawidwa imaphatikizapo zida zonse zamagetsi pa bolodi lolamulira lomwe limayikidwa mwachindunji pa selo kapena module yomwe ikuyang'aniridwa.Izi zimachepetsa kuchuluka kwa ma cabling ku mawaya ochepa a sensor ndi mawaya olumikizirana pakati pa ma module a BMS oyandikana.Chifukwa chake, BMS iliyonse imakhala yodziyimira yokha, ndipo imagwira ntchito zowerengera ndi kulumikizana momwe zimafunikira.Komabe, ngakhale izi zikuwoneka zophweka, mawonekedwe ophatikizikawa amapangitsa kuthetsa mavuto ndi kukonza kukhala kovuta, chifukwa kumakhala mkati mwa gawo la chishango.Mitengo imakhalanso yokwera chifukwa pali ma BMS ambiri pamapangidwe onse a batri.

Kufunika Kwamachitidwe Oyendetsa Battery

Chitetezo chogwira ntchito ndichofunika kwambiri mu BMS.Ndikofunikira kwambiri pakulipiritsa ndi kutulutsa, kuteteza mphamvu yamagetsi, yapano, ndi kutentha kwa selo iliyonse kapena gawo lomwe limayang'aniridwa ndi oyang'anira kuti asapitirire malire a SOA.Ngati malire apititsidwa kwa nthawi yayitali, sipaketi ya batire yokwera mtengo yokhayo yomwe ingasokonezedwe, komanso kuthawitsidwa koopsa kwa kutentha kumatha kuchitika.Kuphatikiza apo, malire otsika amagetsi amawunikidwanso mwamphamvu kuti ateteze ma cell a lithiamu-ion komanso chitetezo chogwira ntchito.Ngati batire ya Li-ion ikhalabe m'malo otsika kwambiri, ma dendrites amkuwa amatha kumera pa anode, zomwe zingapangitse kuti azidzitulutsa okha ndikuwonjezera nkhawa zomwe zingachitike.Kuchulukana kwamphamvu kwamagetsi a lithiamu-ion powered systems kumabwera pamtengo womwe umasiya malo ochepa a zolakwika zoyendetsera batire.Chifukwa cha BMSs, ndi kusintha kwa lithiamu-ion, iyi ndi imodzi mwamafakitale opambana komanso otetezeka a batri omwe alipo lero.

Kuchita kwa paketi ya batri ndi chinthu chotsatira chofunikira kwambiri pa BMS, ndipo izi zimaphatikizapo kuyang'anira magetsi ndi kutentha.Kuti muwonjezere mphamvu ya batri yonse, ma cell onse omwe ali mu paketi amayenera kukhala okhazikika, zomwe zikutanthauza kuti ma SOC a ma cell oyandikana nawo pagulu lonselo ndi ofanana.Izi ndizofunikira kwambiri chifukwa sikuti batire ili ndi mphamvu zokwanira zokha, komanso zimathandizira kuti zisamawonongeke komanso zimachepetsa malo omwe angakhalepo kuti asachulukitse ma cell ofooka.Mabatire a lithiamu-ion ayenera kupewa kutulutsa m'munsi mwa malire amagetsi otsika, chifukwa izi zitha kubweretsa kukumbukira komanso kutaya mphamvu.Njira zama electrochemical zimatengera kutentha kwambiri, ndipo mabatire ndi chimodzimodzi.Pamene kutentha kwa chilengedwe kumatsika, mphamvu ndi mphamvu za batri zomwe zilipo zimachoka kwambiri.Chifukwa chake, BMS imatha kugwiritsa ntchito chotenthetsera chakunja chomwe chimakhala, mwachitsanzo, njira yoziziritsira madzi ya batire yagalimoto yamagetsi, kapena mbale zoyatsa zomwe zimayikidwa pansi pa ma module a paketi yophatikizidwa mu helikopita kapena zina. ndege.Kuphatikiza apo, popeza kulipiritsa ma cell oziziritsa a lithiamu-ion kumawononga moyo wa batri, ndikofunikira kuti muyambe kukweza kutentha kwa batri mokwanira.Maselo ambiri a lithiamu-ion sangathe kulipiritsa mwachangu akakhala osakwana 5°C ndipo sayenera kulipiritsidwa nkomwe akakhala pansi pa 0°C.Kuti igwire bwino ntchito pakagwiritsidwe ntchito, kasamalidwe kamafuta ka BMS nthawi zambiri amaonetsetsa kuti batire ikugwira ntchito m'dera lopapatiza la Goldilocks (monga 30 - 35 ° C).Izi zimateteza magwiridwe antchito, zimalimbikitsa moyo wautali, komanso zimathandizira batire yathanzi, yodalirika.

Ubwino wa Ma Battery Management Systems

Njira yonse yosungira mphamvu ya batri, yomwe nthawi zambiri imatchedwa BESS, imatha kukhala ndi makumi, mazana, kapena masauzande ambiri a maselo a lithiamu-ion omwe amadzaza pamodzi, kutengera ntchito.Makinawa amatha kukhala ndi ma voliyumu osakwana 100V, koma amatha kukhala okwera mpaka 800V, okhala ndi mafunde a paketi okwera mpaka 300A kapena kupitilira apo.Kusayendetsa bwino kulikonse kwa paketi yamagetsi okwera kwambiri kungayambitse ngozi yowopsa, yowopsa.Chifukwa chake, ma BMS ndi ofunikira kwambiri kuti awonetsetse kuti akugwira ntchito bwino.Ubwino wa ma BMS ukhoza kufotokozedwa mwachidule motere.

• Chitetezo Chogwira Ntchito.Manja pansi, pamitundu yayikulu ya batri ya lithiamu-ion, izi ndizofunikira komanso zanzeru.Koma ngakhale mawonekedwe ang'onoang'ono omwe amagwiritsidwa ntchito, mwachitsanzo, ma laputopu, amadziwika kuti amayaka moto ndikuwononga kwambiri.Chitetezo chaumwini cha ogwiritsa ntchito zinthu zomwe zimaphatikizira makina oyendetsedwa ndi lithiamu-ion zimasiya malo ochepa a cholakwika chowongolera batire.
• Kutalika kwa Moyo ndi Kudalirika.Kasamalidwe ka chitetezo cha batri, magetsi ndi matenthedwe, amaonetsetsa kuti maselo onse amagwiritsidwa ntchito mkati mwa zomwe zalengezedwa za SOA.Kuyang'anira kosavuta kumeneku kumawonetsetsa kuti maselo amasamaliridwa motsutsana ndi kugwiritsidwa ntchito mwaukali komanso kuthamangitsa mwachangu ndikuthamangitsa njinga, ndipo mosakayikira kumabweretsa dongosolo lokhazikika lomwe lingapereke zaka zambiri zantchito yodalirika.
• Magwiridwe ndi Range.BMS batire pack mphamvu kasamalidwe, komwe kulinganiza kwa ma cell-to-cell kumagwiritsidwa ntchito kufananitsa ma SOC a maselo oyandikana nawo pagulu la paketi, kumapangitsa kuti batire yokwanira ichitike.Popanda mawonekedwe a BMS awa kuti awerengere kusiyana kwa kudziletsa, kuyendetsa njinga / kutulutsa, kutentha, ndi ukalamba wamba, paketi ya batri imatha kudzipangitsa kukhala yopanda ntchito.
• Diagnostics, Data Collection, and External Communication.Ntchito zoyang'anira zimaphatikizapo kuyang'anira mosalekeza kwa maselo onse a batri, komwe kulowetsa deta kungagwiritsidwe ntchito palokha kuti azindikire, koma nthawi zambiri amapangidwira ntchito yowerengera kuti ayese SOC ya maselo onse pamsonkhano.Zambirizi zimagwiritsidwa ntchito polinganiza ma aligorivimu, koma pamodzi zitha kutumizidwa kuzipangizo zakunja ndi zowonetsera kuti ziwonetse mphamvu yomwe ikupezekapo, kuyerekeza utali woyembekezeka kapena nthawi / moyo wonse kutengera kagwiritsidwe ntchito kamakono, ndikupereka thanzi la paketi ya batri.
• Kuchepetsa Mtengo ndi Chitsimikizo.Kukhazikitsidwa kwa BMS mu BESS kumawonjezera mtengo, ndipo mapaketi a batri ndi okwera mtengo komanso owopsa.Makinawa akamavuta kwambiri, amakulitsa zofunikira zachitetezo, zomwe zimapangitsa kuti pakhale kufunikira kokhalapo koyang'anira BMS.Koma chitetezo ndi kuteteza chitetezo cha BMS ponena za chitetezo chogwira ntchito, moyo wautali ndi kudalirika, ntchito ndi mitundu, kufufuza, ndi zina zotero zimatsimikizira kuti idzayendetsa ndalama zonse, kuphatikizapo zokhudzana ndi chitsimikizo.

Ma Battery Management Systems ndi Synopsy

Kuyerekeza ndikothandiza kwambiri pakupanga kwa BMS, makamaka kukagwiritsidwa ntchito pofufuza ndi kuthana ndi zovuta zamapangidwe mkati mwa chitukuko cha hardware, prototyping, ndi kuyesa.Ndi mtundu wolondola wa cell ya lithiamu-ion yomwe ikuseweredwa, fanizo lofananira la zomangamanga za BMS ndizomwe zimadziwika kuti ndizofanana.Kuphatikiza apo, kayeseleledwe kamene kamalola kufufuzidwa kosapweteka kwa mitundu yosiyanasiyana ya kuyang'anira BMS motsutsana ndi ma batire osiyanasiyana ndi zochitika zachilengedwe.Nkhani zogwiritsiridwa ntchito zitha kupezedwa ndikufufuzidwa koyambirira kwambiri, zomwe zimalola kuti magwiridwe antchito ndi magwiridwe antchito achitetezo atsimikizidwe asanakhazikitsidwe pa prototype yeniyeni ya hardware.Izi zimachepetsa nthawi yachitukuko ndipo zimathandizira kuwonetsetsa kuti mtundu woyamba wa hardware ukhale wolimba.Kuphatikiza apo, mayeso ambiri otsimikizira, kuphatikiza zochitika zoyipa kwambiri, amatha kuchitidwa ndi BMS ndi paketi ya batri ikagwiritsidwa ntchito pamakina okhazikika.

Synopsys SaberRDimapereka malaibulale ambiri amagetsi, digito, zowongolera, ndi ma hydraulic hydraulic kuti apatse mphamvu mainjiniya omwe ali ndi chidwi ndi BMS ndi kapangidwe kake ka batire.Zida zilipo kuti zipangiremo mwachangu mitundu kuchokera kuzinthu zoyambira pakompyuta ndi ma curve oyezera pazida zambiri zamagetsi ndi mitundu yosiyanasiyana ya batire.Mawerengero, kupsinjika, ndi zolakwika kusanthula kuloleza kutsimikizira kumadera osiyanasiyana ogwirira ntchito, kuphatikiza madera amalire, kuwonetsetsa kudalirika kwa BMS.Kuphatikiza apo, zitsanzo zambiri zamapangidwe zimaperekedwa kuti zithandizire ogwiritsa ntchito kudumpha projekiti ndikufikira mwachangu mayankho ofunikira pakuyerekeza.