Intshayelelo:
Iichips ezinxulumene namandla bezisoloko ziludidi lweemveliso ezifumene ingqwalasela enkulu. Iichips zokukhusela ibhetri luhlobo lweetshiphusi ezinxulumene namandla ezisetyenziselwa ukubona iimeko ezahlukeneyo zempazamo kwiseli enye kunye neebhetri ezininzi. Kwiinkqubo zebhetri zanamhlanje, iimpawu zeebhetri ze-lithium-ion zifanelekile kakhulu kwiinkqubo ze-elektroniki eziphathekayo, kodwaiibhetri ze-lithiumimfuneko yokusebenza ngaphakathi kwemida ebekiweyo, igxininise ekusebenzeni nasekukhuseleni. Ke ngoko, ukukhuselwa kweebhetri ze-lithium-ion ziyimfuneko kwaye zibalulekile. Ukusetyenziswa kwemisebenzi eyahlukeneyo yokukhusela ibhetri kukuphepha ukwenzeka kweemeko eziphosakeleyo ezifana nokukhupha i-OCD ye-OCD kunye ne-OT eshushu, kunye nokuphucula ukhuseleko lweebhetri.
Inkqubo yolawulo lwebhetri yazisa ubuchwepheshe bokulinganisa
Okokuqala, makhe sithethe ngeyona ngxaki ixhaphakileyo yeepakethi zebhetri, ukuhambelana. Emva kokuba iiseli enye yenze ipakethe yebhetri ye-lithium, ukubaleka kwe-thermal kunye neemeko ezahlukeneyo zeempazamo zingenzeka. Le yingxaki ebangelwa kukungahambelani kwebhetri ye-lithium. Iiseli ezilodwa ezenza ipakethe yebhetri ye-lithium azihambelani nomthamo, ukutshaja, kunye nokukhupha iiparitha, kwaye "impembelelo yombhobho" ibangela ukuba iiseli ezilodwa ezineempawu ezimbi kakhulu zichaphazele ukusebenza kwayo yonke ipakethe yebhetri ye-lithium.
iteknoloji yokulinganisa ibhetri ye-lithium ibonwa njengeyona ndlela ilungileyo yokusombulula ukuhambelana kweepakethi zebhetri ye-lithium. Ukulinganisa kukulungelelanisa i-voltage yexesha langempela leebhetri zamandla ahlukeneyo ngokulungelelanisa i-bancing current. Okona kunamandla isakhono sokulinganisa, kokukhona sinamandla okucinezela ukwandiswa kwamandla ombane kunye nokuthintela ukubaleka kwe-thermal, kwaye ngcono ukuguquguqukaibhetri ye-lithium pack.
Oku kwahlukile kwi-hardware-based-protector elula. Umkhuseli webhetri ye-lithium unokuba ngumkhuseli we-overvoltage oyisiseko okanye umkhuseli ophambili onokuphendula kwi-undervoltage, impazamo yobushushu okanye impazamo yangoku. Ngokuqhelekileyo, i-IC yolawulo lwebhetri kwinqanaba le-lithium ibhetri esweni kunye ne-fuel gauge inokubonelela ngomsebenzi wokulinganisa ibhetri ye-lithium. Imonitha yebhetri ye-lithium ibonelela ngomsebenzi wokulinganisa ibhetri ye-lithium kwaye ibandakanya umsebenzi wokukhusela we-IC kunye nokucwangciswa okuphezulu. I-fuel gauge inezinga eliphezulu lokudibanisa, kubandakanywa nomsebenzi we-lithium ibhetri esweni, kwaye idibanisa i-algorithms yokubeka iliso ephezulu kwisiseko sayo.
Nangona kunjalo, ezinye ii-ICs zokukhusela ibhetri ye-lithium ngoku zikwabandakanya imisebenzi yokulinganisa ibhetri ye-lithium ngokusebenzisa ii-FET ezidibeneyo, ezinokukhupha ngokuzenzekelayo iibhetri ezigcwele amandla ombane aphezulu ngexesha lokutshaja kunye nokugcina iibhetri ezine-voltage ephantsi kuthotho olutshajiweyo, ngaloo ndlela ulungelelanisa ibhetri.ibhetri ye-lithium pack. Ukongeza kokuphumeza isethi epheleleyo ye-voltage, imisebenzi yangoku kunye nokukhusela ukushisa, ii-ICs zokukhusela ibhetri nazo ziqala ukuzisa imisebenzi yokulinganisa ukuhlangabezana neemfuno zokukhusela iibhetri ezininzi.
Ukususela ekukhuselweni okuphambili ukuya kukhuseleko lwesibini
Ukususela ekukhuselweni okuphambili ukuya kukhuseleko lwesibini
Olona khuselo lusisiseko kukhuseleko lombane. Zonke ii-ICs zokukhusela ibhetri ye-lithium zibonelela ngokukhuselwa kwe-overvoltage ngokwamanqanaba ahlukeneyo okukhusela. Ngesi siseko, ezinye zibonelela ngokugqithiswa kwamandla ombane kunye nokukhuselwa kokugqithiswa kwe-overcurrent, kwaye ezinye zibonelela ngokugqithiswa kwamandla ombane kunye nokukhupha i-overcurrent kunye nokhuseleko lobushushu. Kwezinye iipakethi zebhetri ze-lithium eziphezulu, olu khuselo alusekho ngokwaneleyo ukuhlangabezana neemfuno zepakethi yebhetri ye-lithium. Ngeli xesha, i-IC yokukhusela ibhetri ye-lithium kunye ne-lithium ibhetri yokuzimela umsebenzi wokulinganisa iyadingeka.
Olu khuselo lwe-IC lulo lokhuseleko oluphambili, olulawula ukuhlawuliswa kunye nokukhupha ii-FET ukuphendula kwiindidi ezahlukeneyo zokukhusela impazamo. Oku kulungelelaniswa kunokusombulula ingxaki yokubaleka kwe-thermalibhetri ye-lithium packkakuhle kakhulu. Ukuqokelela ubushushu obugqithisileyo kwibhetri enye ye-lithium kuya kubangela umonakalo kwi-lithium ibhetri ye-pack balance switch kunye ne-resistors. ibhetri ye-lithium yokulinganisa ivumela ibhetri ye-lithium nganye engenasiphako kwipakethi yebhetri ye-lithium ukuba ilungelelaniswe kumthamo ofanayo kunye nezinye iibhetri ezineziphene, ukunciphisa umngcipheko wokubaleka kwe-thermal.
Okwangoku, kukho iindlela ezimbini zokufezekisa ukulinganisa ibhetri ye-lithium: ukulinganisa okusebenzayo kunye nokulinganisa okungahambiyo. Ukulinganisa okusebenzayo kukudlulisa amandla okanye ukutshaja ukusuka kwi-high-voltage/high-SOC iibhetri ukuya kwiibhetri zeSOC ezisezantsi. I-Passive balancing kukusebenzisa i-resistors ukusebenzisa amandla e-voltage ephezulu okanye ibhetri ephezulu yokutshaja ukufezekisa injongo yokunciphisa umsantsa phakathi kweebhetri ezahlukeneyo. I-Passive balancing inokulahlekelwa kwamandla aphezulu kunye nomngcipheko wokushisa. Ngokuthelekisa, ukulinganisa okusebenzayo kusebenza ngakumbi, kodwa i-algorithm yokulawula inzima kakhulu.
Ukususela ekukhuselweni okuphambili ukuya ekukhuselweni kwesibini, inkqubo yebhetri ye-lithium kufuneka ixhotyiswe nge-lithium yebhetri esweni okanye i-fuel gauge ukufezekisa ukhuseleko lwesibini. Nangona ukhuseleko oluphambili lunokuphumeza i-algorithms yokulinganisa ibhetri ehlakaniphile ngaphandle kolawulo lwe-MCU, ukhuseleko lwesibini lufuna ukuhambisa i-lithium ibhetri yebhetri kunye nekhoyo kwi-MCU yokwenza izigqibo kwinqanaba lenkqubo. iimonitha zebhetri ye-lithium okanye iigeyiji zepetroli zinemisebenzi yokulinganisa ibhetri.
Ukuqukumbela
Ngaphandle kweemonitha zebhetri okanye iigeyiji zepetroli ezibonelela ngemisebenzi yokulinganisa ibhetri, ii-ICs zokhuseleko ezibonelela ngokhuseleko oluphambili azisathintelwa kukhuseleko olusisiseko olufana nokugqithiswa kwamandla. Ngokusetyenziswa okukhulayo kweeseli ezininziiibhetri ze-lithium, iipakethi zebhetri ezinomthamo omkhulu ziya kuba neemfuneko eziphezulu kunye eziphezulu zokukhusela ii-ICs, kwaye ukuqaliswa kwemisebenzi yokulinganisa kubaluleke kakhulu.
Ukulinganisa kufana nohlobo oluthile lokugcinwa. Intlawulo nganye kunye nokukhutshwa kuya kuba nexabiso elincinci lembuyekezo yokulinganisa ukulinganisa umahluko phakathi kweebhetri. Nangona kunjalo, ukuba ibhetri yebhetri okanye ipakethe yebhetri ngokwayo ineziphene ezisemgangathweni, ukhuseleko kunye nokulinganisa akukwazi ukuphucula umgangatho webhetri yepakethe, kwaye akusiyo isitshixo sendalo yonke.
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-21-2024