Intshayelelo:
Umba ophambili ekulungisweni kwebhetri kunye nezicelo zokwandiswa kwebhetri ye-lithium kukuba ingaba iiseti ezimbini okanye ngaphezulu zeepakethi zebhetri ze-lithium zinokuqhagamshelwa ngokuthe ngqo kuthotho okanye ngokufana. Iindlela zoqhagamshelo ezingalunganga azinakukhokelela kuphela ekunciphiseni ukusebenza kwebhetri, kodwa zinokubangela iingozi zokhuseleko ezifana neesekethe ezimfutshane kunye nobushushu obugqithisileyo. Okulandelayo, siya kuhlalutya ngokweenkcukacha iindlela ezichanekileyo kunye nezilumkiso zokudibanisa iipakethi zebhetri ye-lithium ukusuka kwiimbono zombini ezihambelanayo kunye nochungechunge. Okulandelayo, siya kuhlalutya ngokweenkcukacha iindlela ezichanekileyo kunye nezilumkiso zokudibanisa iipakethi zebhetri ye-lithium ukusuka kwiimbono zombini ezihambelanayo kunye nochungechunge, kudityaniswe nokusetyenziswauvavanyo lwebhetri kunye nezixhobo zokulungisa.
Uxhulumaniso oluhambelanayo lwepakethi yebhetri ye-lithium: ugxininiso olulinganayo kwiimeko kunye nokukhusela
Uxhulumaniso oluhambelanayo lweepakethi zebhetri ze-lithium lunokwahlulwa lube ziimeko ezimbini, eyona nto iphambili kuyo kukuba iiparitha zebhetri zihambelanayo kwaye nokuba kuthathwe amanyathelo okukhusela ayimfuneko. Xa ugweba iiparamitha zepakethi yebhetri, i-lithiumumvavanyi webhetriinokulinganisa ngokuchanekileyo idatha efana ne-voltage kunye nokuchasana kwangaphakathi, ukubonelela ngesiseko sesayensi seskimu soqhagamshelwano
(1) Uqhagamshelo oluthe ngqo oluhambelanayo xa iiparamitha zihambelana
Xa i-voltage, umthamo, ukuchasana kwangaphakathi, imodeli yeseli kunye nezinye iiseti ezimbini zeepakethi zebhetri ye-lithium zifana ngqo, ukusebenza okufanayo kunokwenziwa ngokuthe ngqo. Ngokomzekelo, ukusebenzisa i-lithium ibhetri yokuvavanya ukukhangela iiseti ezimbini zeepakethi zebhetri ye-lithium kunye nesakhiwo esifanayo se-4-series kunye ne-voltage ye-12V, xa ihlawuliswe ngokupheleleyo kunye ne-voltage efanayo, udibanise i-pole yabo epheleleyo kwipali echanekileyo kunye ne-pali epheleleyo engalunganga ukugqiba uxhumano oluhambelanayo. Kufuneka kugxininiswe ukuba ipakethe nganye yebhetri kufuneka ixhotyiswe ngebhodi yokukhusela ezimeleyo ukuqinisekisa ukugqithiswa, ukukhutshwa, kunye nemisebenzi yokukhusela i-short-circuit yebhetri. Ukongezelela, emva kokuba uxhumano lugqityiwe, kuyimfuneko ukusebenzisa i-lithiumumvavanyi webhetriukujonga kwakhona iiparamitha zizonke ukuqinisekisa ukusebenza okuzinzileyo kwepakethi yebhetri edityanisiweyo.
(2) Isikimu esinxuseneyo xa iiparamitha zingahambelani
Kwinkqubo yokulungiswa kwangempela, kuqhelekile ukuhlangabezana neepakethi zebhetri eziqulunqwe ngamabhantshi ahlukeneyo eeseli, nokuba i-voltage yegama lifanayo (njenge-12V), kukho ukungafani kwamandla (50Ah kunye ne-60Ah) kunye nokuchasana kwangaphakathi. Kule meko, uxhulumaniso oluthe ngqo oluhambelanayo luya kuzisa umngcipheko omkhulu - xa i-voltages yamaqela amabini ebhetri yahlukile (njenge-14V kunye ne-12V), iqela lebhetri ephezulu yombane liya kuhlawulisa ngokukhawuleza iqela lebhetri eliphantsi. NgokoMthetho ka-Ohm, ukuba ukuchasana kwangaphakathi kwebhetri ye-low-voltage pack yi-2 Ω, i-mutual charge current current inokufikelela kwi-1000A, enokubangela ukuba ibhetri ishushu, iqhume, okanye ibambe umlilo.
Ukuhlangabezana nale meko, izixhobo zokukhusela ezihambelanayo kufuneka zongezwe:
Khetha ibhodi yokukhusela enomsebenzi okhoyo wokukhawulela wangoku: Ezinye iibhodi zokukhusela eziphezulu zineempawu ezihambelanayo zangoku, ezinokuthi zithintele ngokuzenzekelayo umbane wokutshaja phakathi kwendawo ekhuselekileyo. Xa ukhetha ibhodi yokukhusela, i-lithiumisixhobo sokulungisa ibhetriingasetyenziswa ukujonga ukuba umsebenzi wayo uqhelekile.
Ukufakela imodyuli yokukhawulela yangaphandle ehambelanayo yangoku: Ukuba ibhodi yokukhusela ayinalo lo msebenzi, imodyuli eyongezelelweyo yokunciphisa yangoku inokulungiswa ukulawula okwangoku kwinqanaba elifanelekileyo kunye nokuqinisekisa uxhumano olukhuselekileyo. Emva kokufaka imodyuli yangoku yokukhawulela, kuyimfuneko ukusebenzisa i-lithium yokuhlola ibhetri ukujonga utshintsho lwangoku kunye nokuqinisekisa ukusebenza kwemodyuli.
Uqhagamshelo lothotho lwepakethi yebhetri ye-lithium: iimfuno eziphezulu kunye nokwenza ngokwezifiso
Xa kuthelekiswa noqhagamshelo olunxuseneyo, uqhagamshelo lothotho lweepakethi zebhetri ye-lithium lufuna iimfuno ezingqongqo zokungaguquguquki kwipakethi yebhetri. Xa idityaniswe kuthotho, inokufaniswa nenkqubo yendibano yeeseli zebhetri zangaphakathi kwipakethi yebhetri, efuna iiparamitha ezihambelana kakhulu ezifana nombane, umthamo, ukuchasana kwangaphakathi, kunye nesantya sokuzikhupha phakathi kweepakethi ezimbini zebhetri. Ngaphandle koko, ukusasazwa kombane ongalinganiyo kunokwenzeka, okukhawulezisa ukuguga kweepakethi zebhetri ezingasebenzi kakuhle. Xa ukhetha iipakethi zebhetri ezifanelekileyo, i-lithiumabavavanyi bebhetriinokubona ngokukhawuleza nangokuchanekileyo iiparamitha ezahlukeneyo, ukuphucula ukusebenza kakuhle kovavanyo.
Ukongeza, i-voltage iyonke emva koqhagamshelo lwechungechunge sisixa sombane weqela elinye (ezifana neeseti ezimbini zeebhetri ze-12V eziqhagamshelwe kuthotho lwe-24V), ebeka iimfuno eziphezulu kwixabiso lokumelana nombane wetyhubhu ye-Mos kwibhodi yokukhusela. Iibhodi zokukhusela eziqhelekileyo zihlala zifanelekile kuphela kumaqela ombane omnye. Xa isetyenziselwa uchungechunge, kudla ngokuyimfuneko ukwenza ngokwezifiso iibhodi zokukhusela i-voltage ephezulu okanye ukhethe iinkqubo zokulawula ibhetri yobuchwephesha (BMS) ezixhasa iintambo ezininzi zokuqinisekisa ukhuseleko kunye nokuzinza koluhlu oluxhunyiwe kwi-bettery pack ngexesha lokutshaja kunye nokukhupha. Isixhobo sokugcinwa kwebhetri ye-lithium sinokwenza ulungiso olusebenzayo kunye nokulungisa iingxaki kwiibhodi zokukhusela ezenziwe ngokwezifiso kunye ne-BMS ukuqinisekisa ukusebenza kwazo okuqhelekileyo.
Iingcebiso zoKhuseleko kunye neeNgcebiso eziSebenzayo
Random series uxhulumaniso parallel akuvumelekanga ngokungqongqo: Lithium ibhetri iipakethe brand ezahlukeneyo kunye neebhetshi akuvumelekanga ukuba uqhagamshelene ngqo ngaphandle unyango ngenxa iyantlukwano kwiimpawu zebhetri cell iikhemikhali kunye neenkqubo.
Ukuhlolwa rhoqo kunye nokugcinwa: Inkqubo ehambelanayo idinga ukujonga i-voltage ye-betri pack nyanga zonke, kwaye ukuba umehluko udlula i-0.3V, kufuneka ihlawulwe ngokwahlukileyo ukulinganisa; Kucetyiswa ukulinganisa ngokusebenzayo inkqubo yochungechunge nge-BMS ngekota nganye.
Khetha izixhobo ezikumgangatho ophezulu: Kuyimfuneko ukusebenzisa iibhodi zokukhusela kunye ne-BMS eqinisekisiwe ngu-UN38.3, CE, njl njl. Intambo yokudibanisa kufuneka ikhethwe ngocingo olufanelekileyo ngokuhambelana nomthwalo wangoku ukuphepha ukufudumeza okubangelwa ukulahleka kwentambo.
Uluhlu oluhambelanayo lokusebenza kweepakethi zebhetri ye-lithium kufuneka lusekelwe kukhuseleko, ukulawula ngokungqongqo ukuhambelana kweeparitha zebhetri, kunye nokusebenzisana nezixhobo zokukhusela. Ukuqonda la manqaku aphambili akunakuphucula kuphela ukusebenza kakuhle kokulungiswa kwebhetri, kodwa kwakhona kuqinisekisa ukusebenza okuzinzileyo kwexesha elide leepakethe zebhetri ze-lithium.
Isicelo seNtelekelelo yeendleko:
UJacqueline:jacqueline@heltec-bms.com/ +86 185 8375 6538
Nancy:nancy@heltec-bms.com/ +86 184 8223 7713
Ixesha lokuposa: May-23-2025