Intshayelelo:
Ingxaki ephambili ekulungisweni kwebhetri kunye nokwandiswa kwezicelo zebhetri ye-lithium kukuba ingaba iiseti ezimbini okanye ngaphezulu zeebhetri ze-lithium zinokudityaniswa ngokuthe ngqo ngochungechunge okanye ngaxeshanye. Iindlela zoqhagamshelo ezingalunganga azinakukhokelela kuphela ekunciphiseni ukusebenza kwebhetri, kodwa zinokubangela neengozi zokhuseleko ezifana neesekethe ezimfutshane kunye nokushisa kakhulu. Okulandelayo, siza kuhlalutya ngokweenkcukacha iindlela ezifanelekileyo kunye namanyathelo okukhusela okudibanisa iibhetri ze-lithium kuzo zombini iimbono ezifanayo kunye nezochungechunge.
Uqhagamshelo oluhambelanayo lwepakethi yebhetri ye-lithium: ugxininiso olulinganayo kwiimeko kunye nokhuseleko
Uqhagamshelo oluhambelanayo lweepakethe zebhetri ye-lithium lunokwahlulwa lube ziimeko ezimbini, eyona nto iphambili ikukuba ngaba iiparameter zepakethe yebhetri ziyahambelana na nokuba ngaba kuthathwe amanyathelo okukhusela ayimfuneko.
(1) Uqhagamshelo oluhambelana ngqo xa iiparameter zihambelana
Xa i-voltage, umthamo, ukumelana kwangaphakathi, imodeli yeseli kunye nezinye iinkcukacha zeeseti ezimbini zeepakethi zebhetri ye-lithium zifana ncamashi, ukusebenza ngaxeshanye kungenziwa ngokuthe ngqo. Umzekelo, iiseti ezimbini zeepakethi zebhetri ye-lithium ezinesakhiwo se-4-series kunye ne-voltage eqhelekileyo ye-12V, xa zitshajwe ngokupheleleyo kwaye zine-voltage efanayo, zinokuqhagamshelwa ngaxeshanye ngokudibanisa i-total positive pole yazo kwi-total positive pole kunye ne-total positive pole kwi-total negative pole. Kufuneka kugxininiswe ukuba ipakethi nganye yebhetri kufuneka ixhotyiswe ngebhodi yokukhusela ezimeleyo ukuqinisekisa ukuba ibhetri itshaja kakhulu, ikhupha kakhulu, kunye nemisebenzi yokukhusela i-short-circuit.
（2） Inkqubo efanayo xa iiparameter zingangqinelani
Kwinkqubo yokulungisa yokwenyani, kuqhelekile ukudibana neepakethi zebhetri ezenziwe ngeebhetshi ezahlukeneyo zeeseli, nokuba i-voltage eqhelekileyo iyafana (njenge-12V), kukho umahluko kumthamo (50Ah kunye ne-60Ah) kunye nokumelana kwangaphakathi. Kule meko, uqhagamshelo oluhambelana ngqo luya kuzisa iingozi ezinkulu - xa ii-voltage zamaqela amabini eebhetri zahlukile (njenge-14V kunye ne-12V), iqela leebhetri ezine-voltage ephezulu liya kutshaja ngokukhawuleza iqela leebhetri ezine-voltage ephantsi. Ngokomthetho ka-Ohm, ukuba ukumelana kwangaphakathi kwepakethi yebhetri ene-voltage ephantsi yi-2 Ω, umsinga wokutshaja ohambelanayo ngokukhawuleza unokufikelela kwi-1000A, nto leyo enokubangela ukuba ibhetri ifudumale, ivuvuke, okanye ide ibambe umlilo.
Ukuze kujongwane nale meko, kufuneka kongezwe izixhobo zokukhusela ezihambelanayo:
Khetha ibhodi yokukhusela enomsebenzi wokukhawulela wangoku owakhelwe ngaphakathi: Ezinye iibhodi zokukhusela eziphezulu zineempawu zokukhawulela zangoku ezifanayo, ezinokukhawulela ngokuzenzekelayo umsinga wokutshaja odibeneyo ngaphakathi koluhlu olukhuselekileyo.
Ukufakela imodyuli yokunciphisa umbane ehambelanayo yangaphandle: Ukuba ibhodi yokukhusela ayinalo olu sebenzi, imodyuli eyongezelelweyo yokunciphisa umbane yobungcali ingalungiselelwa ukulawula umbane kwinqanaba elifanelekileyo nokuqinisekisa uqhagamshelo olukhuselekileyo.
Uqhagamshelo oluchungechunge lwepakethi yebhetri ye-lithium: iimfuno eziphezulu kunye nokwenza ngokwezifiso
Xa kuthelekiswa noqhagamshelo oluhambelanayo, uqhagamshelo olulandelelanayo lweepakethe zebhetri ye-lithium lufuna iimfuno ezingqongqo zokuhambelana kwepakethe yebhetri. Xa iqhagamshelwe kuluhlu, inokufaniswa nenkqubo yokuhlanganisa iiseli zebhetri zangaphakathi kwipakethe yebhetri, efuna iiparameter ezihambelanayo kakhulu ezifana nombane, umthamo, ukumelana kwangaphakathi, kunye nesantya sokukhupha phakathi kweepakethe ezimbini zebhetri. Ngaphandle koko, ukusasazwa kombane ongalinganiyo kunokwenzeka, okukhawulezisa ukuguga kweepakethe zebhetri ezingasebenzi kakuhle.
Ukongeza, i-voltage iyonke emva koqhagamshelo lwechungechunge yimbumba ye-voltage yeqela elinye (njengeeseti ezimbini zeebhetri ze-12V eziqhagamshelwe kuthotho lwe-24V), nto leyo ebeka iimfuno eziphezulu kwixabiso le-voltage yokumelana yetyhubhu ye-Mos kwibhodi yokukhusela. Iibhodi zokukhusela eziqhelekileyo zihlala zilungele kuphela amaqela e-voltage enye. Xa zisetyenziswa kuthotho, kudla ngokuba yimfuneko ukwenza ngokwezifiso iibhodi zokukhusela ezine-voltage ephezulu okanye ukhethe iinkqubo zolawulo lwebhetri zobungcali (i-BMS) ezixhasa iintambo ezininzi ukuqinisekisa ukhuseleko kunye nokuzinza kwephakheji yebhetri eqhagamshelwe kuthotho ngexesha lokutshaja nokukhupha.
Iingcebiso zoKhuseleko kunye neengcebiso ezisebenzayo
Uqhagamshelo oluhambelanayo lwe-random series aluvumelekanga ngokungqongqo: Iipakethi zebhetri zeLithium zeempawu ezahlukeneyo kunye neebhetshi azivumelekanga ukuba ziqhagamshelwe ngokuthe ngqo ngaphandle konyango ngenxa yokwahluka kweempawu kunye neenkqubo zeekhemikhali zeseli yebhetri.
Ukuhlolwa rhoqo kunye nokugcinwa: Inkqubo ehambelanayo kufuneka ijonge i-voltage yebhetri inyanga nenyanga, kwaye ukuba umahluko udlula i-0.3V, kufuneka itshajwe ngokwahlukeneyo ukuze ilinganise; Kucetyiswa ukuba ilinganise inkqubo yochungechunge nge-BMS rhoqo ngekota.
Khetha izixhobo ezikumgangatho ophezulu: Kuyimfuneko ukusebenzisa iibhodi zokukhusela kunye ne-BMS eziqinisekiswe yi-UN38.3, CE, njl. Intambo yokudibanisa kufuneka ikhethwe ngobubanzi obufanelekileyo bentambo ngokwemithwalo yangoku ukuze kuthintelwe ukufudumeza okubangelwa kukulahleka kwentambo.
Ukusebenza ngaxeshanye kweepakethe zebhetri ye-lithium kufuneka kusekelwe kukhuseleko, kulawula ngokungqongqo ukuhambelana kweeparamitha zepakethe yebhetri, kunye nokusebenzisana nezixhobo zokhuseleko zobungcali. Ukwazi ezi ngongoma ziphambili akunakuphucula kuphela ukusebenza kakuhle kokulungiswa kwebhetri, kodwa kukwaqinisekisa ukusebenza okuzinzileyo kwexesha elide kweepakethe zebhetri ye-lithium.
Isicelo seNgqikelelo:
UJacqueline:jacqueline@heltec-energy.com/ +86 185 8375 6538
UNancy:nancy@heltec-energy.com/ +86 184 8223 7713
Ixesha leposi: Meyi-23-2025