Intshayelelo:
Iibhetri zeLithium zikuyo yonke indawo ebomini bethu. Iibhetri zethu zeefowuni eziphathwayo kunye neebhetri zeemoto zombane zonkeiibhetri ze-lithium, kodwa ngaba uyayazi imigaqo yebhetri esisiseko, iintlobo zebhetri, kunye nendima kunye nokwahlukana koluhlu lwebhetri kunye noqhagamshelwano oluhambelanayo? Makhe sihlolisise ulwazi lweebhetri ngeHeltec.
Isigama esisisiseko seebhetri ze-lithium
1) Izinga le-C
Ibhekisa kumlinganiselo wangoku ukuya kumthamo oqingqiweyo webhetri ye-lithium ngexesha lokutshaja kunye nokukhupha. Ichaza ukuba ibhetri inokutshajwa kwaye ikhutshwe kangakanani na. Iireyithi zokutshaja nokukhupha azifani ngokuyimfuneko. Umzekelo:
I-1C: yikhuphe ngokupheleleyo ibhetri ngaphakathi kweyure eyi-1 (intlawulo epheleleyo)
I-0.2C: khupha ibhetri ngokupheleleyo kwiiyure ze-5 (intlawulo epheleleyo)
I-5C: khupha ibhetri ngokupheleleyo kwiiyure ze-0.2 (intlawulo epheleleyo)
2) Umthamo
Isixa sombane esigcinwe kwiibhetri ye-lithium. Iyunithi yi-mAh okanye Ah.
Ukudibanisa kunye nesantya, umzekelo, ukuba ibhetri yi-4800mAh kwaye izinga lokutshaja liyi-0.2C, kuthetha ukuba kuthatha iiyure ze-5 ukuba ibhetri ihlawulwe ngokupheleleyo ukusuka engenanto (ukungahoywa inqanaba lokutshaja kwangaphambili xa ibhetri iphantsi kakhulu).
Ukutshaja ngoku: 4800mA*0.2C=0.96A
3) Inkqubo yolawulo lwebhetri yeBMS
Inkqubo ilawula kwaye ilawula ukutshaja / ukukhutshwa kwebhetri, ibona ukushisa kunye ne-voltage yebhetri, idibanisa nenkqubo yokusingatha, ibhalansi i-voltage yebhetri, kwaye ilawula ukusebenza kokhuseleko lwe-lithium battery pack.
4) Umjikelo
Inkqubo yokutshaja nokukhupha ibhetri ibizwa ngokuba ngumjikelo. Ukuba ibhetri isebenzisa kuphela i-80% yamandla ayo onke ngexesha ngalinye, ubomi bomjikelezo weebhetri ze-lithium-ion bunokuphakama ngamawaka amaxesha.
Uhlobo lwebhetri yeLithium
Okwangoku, iiseli ze-lithium-ion zentengiso ziyi-cylindrical, isikwere kunye ne-soft-pack.
Iiseli ze-cylindrical ze-18650 ziiseli ze-lithium-ion ezinomthamo ophezulu wemveliso okwangoku. Iiseli zebhetri zethu ze-G zolu hlobo.
Uluhlu lweeseli kunye noqhagamshelwano oluhambelanayo
Iseli yinxalenye engundoqo yeibhetri ye-lithium. Inani leeseli liyahluka ngokuxhomekeke ekusebenziseni ibhetri, kodwa zonke iibhetri kufuneka zidibaniswe ngeendlela ezahlukeneyo ukufezekisa umbane ofunekayo kunye namandla.
Qaphela: Iimeko zoqhagamshelwano olunxuseneyo zinzima kakhulu. Ke ngoko, uqhagamshelo olunxuseneyo kuqala kwaye emva koko uqhagamshelo lothotho lunokunciphisa iimfuno zokungaguquguquki kwebhetri.
Q: Uthini umahluko phakathi kweebhetri ezintathu kunye ne-four-parallel kunye ne-four-parallel kunye ne-three-series?
A: Umbane kunye nomthamo zahlukile.Uqhagamshelo lwe-Series lunyusa i-voltage, kwaye uqhagamshelo olunxuseneyo longeza langoku (umthamo)
1) Uqhagamshelwano oluhambelanayo
Cinga ukuba i-voltage yeseli yebhetri yi-3.7V kunye nomthamo we-2.4Ah. Emva koqhagamshelo oluhambelanayo, i-terminal voltage yenkqubo iseyi-3.7V, kodwa amandla anyuka ukuya kwi-7.2Ah.
2) Uqhagamshelwano lwechungechunge
Cinga ukuba i-voltage yeseli yebhetri yi-3.7V kunye nomthamo we-2.4Ah. Emva koxhumano lwechungechunge, i-terminal voltage yenkqubo yi-11.1V, kwaye umthamo uhlala ungatshintshi.
Ukuba iseli yebhetri inamathotho amathathu kunye nee-parallel ezimbini, iiseli ze-6 18650 zizonke, ngoko ibhetri yi-11.1V kunye ne-4.8Ah. I-Tesla Model-S sedan isebenzisa iiseli ze-Panasonic 18650, kunye ne-85kWh ibhetri ipakethe ifuna malunga neeseli ze-7,000.
Ukuqukumbela
I-Heltec iya kuqhubeka nokuhlaziya ulwazi oludumileyo lwesayensi malungaiibhetri ze-lithium. Ukuba unomdla, unokunikela ingqalelo kuyo. Kwangaxeshanye, sikubonelela ngeepakethi zebhetri ze-lithium ezikumgangatho ophezulu ukuze uzithenge kwaye unikeze ngeenkonzo ezilungiselelweyo ukuhlangabezana neemfuno zakho.
I-Heltec Energy liqabane lakho elithembekileyo kwimveliso yeebhetri. Ngokujolisa kwethu okungapheliyo kuphando kunye nophuhliso, kunye noluhlu lwethu olubanzi lwezincedisi zebhetri, sinikezela ngezisombululo zokuphela konyaka ukuhlangabezana neemfuno eziguqukayo zeshishini. Ukuzibophelela kwethu ekugqweseni, izisombululo ezilungiselelweyo, kunye nentsebenziswano eyomeleleyo yabathengi kusenza ukuba sikhethe ukukhetha abavelisi beebhetri kunye nababoneleli kwihlabathi liphela.
Ukuba unayo nayiphi na imibuzo okanye ungathanda ukufunda ngakumbi, nceda ungalibazisifikelela kuthi.
Isicelo seNtelekelelo yeendleko:
UJacqueline:jacqueline@heltec-bms.com/ +86 185 8375 6538
Sucre:sucre@heltec-bms.com/ +86 136 8844 2313
Nancy:nancy@heltec-bms.com/ +86 184 8223 7713
Ixesha lokuposa: Oct-18-2024