Njengowona mthombo wamandla wezithuthi ezitsha zamandla, iibhetri zamandla zibaluleke kakhulu kwizithuthi zamandla amatsha.Ngexesha lokusetyenziswa kwesithuthi, ibhetri iya kujongana neemeko zokusebenza ezinzima kunye neziguquguqukayo.Ukuze kuphuculwe uluhlu lokuhamba ngenqanawa, isithuthi kufuneka silungiselele iibhetri ezininzi ngangokunokwenzeka kwindawo ethile, ngoko ke indawo yokupakisha ibhetri kwisithuthi sincinci kakhulu.Ibhetri ivelisa ubushushu obuninzi ngexesha lokusebenza kwesithuthi kwaye iqokelele kwindawo encinci ngexesha.Ngenxa yokuxinana kweeseli kwipakethi yebhetri, kukwanzima ngakumbi ukutshabalalisa ubushushu kwindawo ephakathi ukuya kuthi ga kwinqanaba elithile, oko kunyusa ukungahambelani kwamaqondo obushushu phakathi kweeseli, okuya kunciphisa ukutshaja kunye nokukhupha ukusebenza kwebhetri kunye. kuchaphazela amandla ebhetri;Kuya kubangela ukubaleka kwe-thermal kwaye kuchaphazele ukhuseleko kunye nobomi benkqubo.
Ukushisa kwebhetri yamandla kunempembelelo enkulu ekusebenzeni kwayo, ubomi kunye nokhuseleko.Kwiqondo lokushisa eliphantsi, ukuchasana kwangaphakathi kweebhetri ze-lithium-ion kuya kwanda kwaye umthamo uya kuncipha.Kwiimeko ezigqithisileyo, i-electrolyte iya kuba ngumkhenkce kwaye ibhetri ayinakukhutshelwa.Ukusebenza okuphantsi kweqondo lokushisa kwenkqubo yebhetri kuya kuchaphazeleka kakhulu, kubangele ukusebenza kombane wezithuthi zombane.Ukuphela kunye nokunciphisa uluhlu.Xa utshaja iimoto zamandla amatsha phantsi kweemeko zobushushu obuphantsi, i-BMS ngokubanzi iqala ngokufudumeza ibhetri kwiqondo lobushushu elifanelekileyo phambi kokutshaja.Ukuba ayiphathwa ngokufanelekileyo, iya kukhokelela ekutshajisweni kwamandla ombane ngoko nangoko, okukhokelela kumjikelezo omfutshane wangaphakathi, kunye nomsi ongaphaya, umlilo okanye uqhushumbo.Ingxaki yokhuseleko lokutshaja okuphantsi kobushushu benkqubo yebhetri yemoto yombane ithintela ukunyuswa kwezithuthi zombane kwimimandla ebandayo ukuya kumlinganiselo omkhulu.
Ulawulo lobushushu bebhetri ngomnye wemisebenzi ebalulekileyo kwi-BMS, ikakhulu ukugcina ipakethe yebhetri isebenza kuluhlu olufanelekileyo lobushushu ngamaxesha onke, ukuze kugcinwe eyona meko ilungileyo yokusebenza yebhetri.Ulawulo lwe-thermal yebhetri ikakhulu lubandakanya imisebenzi yokupholisa, ukufudumeza kunye nokulinganisa ubushushu.Imisebenzi yokupholisa kunye nokufudumeza ilungiswa ikakhulu ngenxa yempembelelo enokwenzeka yobushushu be-ambient yangaphandle kwibhetri.Ukulinganisa ubushushu kusetyenziswa ukunciphisa umahluko wobushushu ngaphakathi kwipakethi yebhetri kwaye kuthintelwe ukubola okukhawulezileyo okubangelwa kubushushu obugqithisileyo bendawo ethile yebhetri.
Ngokubanzi, iindlela zokupholisa zeebhetri zamandla zohlulwe kakhulu zibe ziindidi ezintathu: ukupholisa umoya, ukupholisa ulwelo kunye nokupholisa ngokuthe ngqo.Imowudi yokupholisa umoya isebenzisa umoya wendalo okanye umoya opholileyo kwindawo yabakhweli ukuze uqukuqele kumphezulu webhetri ukuphumeza ukutshintshiselana kobushushu kunye nokupholisa.Ukupholisa ulwelo ngokuqhelekileyo kusebenzisa umbhobho wokupholisa ozimeleyo ukufudumeza okanye ukupholisa ibhetri yamandla.Okwangoku, le ndlela yeyona nto iphambili yokupholisa.Umzekelo, uTesla kunye neVolt bobabini basebenzisa le ndlela yokupholisa.Inkqubo yokupholisa ngokuthe ngqo iphelisa umbhobho wokupholisa webhetri yamandla kwaye isebenzisa ngokuthe ngqo ifriji ukupholisa ibhetri yamandla.
1. Inkqubo yokupholisa umoya:
Kwiibhetri zamandla zakuqala, ngenxa yomthamo omncinci kunye nokuxinana kwamandla, iibhetri ezininzi zamandla zapholiswa kukupholisa umoya.Ukupholisa umoya (Isifudumezi-moya se-PTC) yahlulwe yangamacandelo amabini: ukupholisa komoya wendalo kunye nokupholisa umoya ngenkani (usebenzisa ifeni), kwaye isebenzisa umoya wendalo okanye umoya obandayo kwikhebhu ukupholisa ibhetri.
Abameli abaqhelekileyo beenkqubo ezipholileyo zomoya nguNissan Leaf, Kia Soul EV, njl.;okwangoku, iibhetri 48V 48V izithuthi micro-hybrid zicwangciswe ngokubanzi kwindawo abakhweli, kwaye zipholiswe umoya ukupholisa.Ukwakhiwa kwenkqubo yokupholisa umoya kulula, iteknoloji ikhulile, kwaye iindleko ziphantsi.Nangona kunjalo, ngenxa yokushisa okulinganiselweyo okuthathwe ngumoya, ukusebenza kwayo ngokutshintshiselana kobushushu kuphantsi, ukufana kwangaphakathi kobushushu bebhetri akulunganga, kwaye kunzima ukufezekisa ulawulo oluchanekileyo lobushushu bebhetri.Ke ngoko, inkqubo yokupholisa umoya ngokuqhelekileyo ifanelekile kwiimeko ezinoluhlu olufutshane lokuhamba ngenqanawa kunye nobunzima besithuthi esilula.
Kuyafaneleka ukukhankanya ukuba kwinkqubo yokupholisa umoya, uyilo lombhobho womoya ludlala indima ebalulekileyo kwisiphumo sokupholisa.Imibhobho yomoya yahlulwe kakhulu ibe yimibhobho yomoya elandelelanayo kunye nemibhobho yomoya ehambelanayo.Isakhiwo se-serial silula, kodwa ukuchasana kukhulu;isakhiwo esihambelanayo sinzima kwaye sithatha indawo eninzi, kodwa ukufana kokutshatyalaliswa kobushushu kulungile.
2. Inkqubo yokupholisa ulwelo
Imowudi yokupholisa ngolwelo ithetha ukuba ibhetri isebenzisa ulwelo lokupholisa ukutshintshisa ubushushu (Isifudumezi esiPholisayo se-PTC).I-Coolant inokwahlulwa ibe ziindidi ezimbini ezinokuqhagamshelana ngokuthe ngqo neseli yebhetri (ioli ye-silicon, ioli ye-castor, njl.) kwaye uqhagamshelane neseli yebhetri (amanzi kunye ne-ethylene glycol, njl.) ngokusebenzisa iziteshi zamanzi;okwangoku, isisombululo esixubileyo samanzi kunye ne-ethylene glycol sisetyenziswa ngakumbi.Inkqubo yokupholisa ulwelo ngokubanzi yongeza i-chiller kwisibini kunye nomjikelo wefriji, kwaye ubushushu bebhetri bususwe ngesikhenkcisi;amacandelo ayo angundoqo yicompressor, i-chiller kunye neimpompo yamanzi yombane.Njengomthombo wamandla wefriji, i-compressor inquma amandla okutshintsha ubushushu benkqubo yonke.I-chiller isebenza njengotshintshiselwano phakathi kwefriji kunye nolwelo lokupholisa, kwaye ubungakanani bokutshintshana kobushushu bumisela ngokuthe ngqo ubushushu bolwelo olupholisayo.Impompo yamanzi imisela isantya sokuhamba kwesipholisi kumbhobho.Isantya sokuhamba ngokukhawuleza, ngcono ukusebenza kokudluliselwa kobushushu, kwaye ngokuphambene noko.
Ixesha lokuposa: May-30-2023
