Amabhethri e-lithium afana nezinjini ezinganakekelwa kahle;I-BMSNgaphandle komsebenzi wokulinganisela kumane nje kuyindlela yokuqongelela idatha futhi akukwazi ukubhekwa njengohlelo lokuphatha. Kokubili ukulinganisela okusebenzayo nokungasebenzisi kuhlose ukuqeda ukungahambisani ngaphakathi kwebhethri, kodwa izimiso zokusebenzisa kwazo zihlukile kakhulu.
Ukuze kucace, lesi sihloko sichaza ukulinganisela okuqalwe yi-BMS ngokusebenzisa ama-algorithms njengokulinganisela okusebenzayo, kuyilapho ukulinganisela okusebenzisa ama-resistor ukusabalalisa amandla kubizwa ngokuthi ukulinganisela okungasebenzi. Ukulinganisela okusebenzayo kuhilela ukudluliselwa kwamandla, kanti ukulinganisela okungasebenzi kuhilela ukusabalalisa amandla.
Izimiso Eziyisisekelo Zokuklama Iphakethe Lebhethri
- Ukushaja kumele kume lapho iseli lokuqala selishajwe ngokugcwele.
- Ukukhipha kumele kuphele lapho iseli lokuqala seliphelile.
- Amaseli abuthakathaka aguga ngokushesha kunamaseli aqinile.
- -Iseli elinokushaja okubuthakathaka kakhulu ekugcineni lizokhawulela iphakethe lebhethri'amandla asebenzisekayo (isixhumanisi esibuthakathaka kakhulu).
- Ukwehla kwezinga lokushisa kwesistimu ngaphakathi kwephakethe lebhethri kwenza amaseli asebenza emazingeni okushisa aphezulu aphansi abe buthaka.
- Ngaphandle kokulinganisela, umehluko we-voltage phakathi kwamaseli abuthakathaka nanamandla kakhulu uyanda ngomjikelezo ngamunye wokushaja nokukhipha. Ekugcineni, iseli elilodwa lizosondela ku-voltage ephezulu kuyilapho elinye lisondela ku-voltage encane, okuphazamisa amandla okushaja nokukhipha kwephakethe.
Ngenxa yokungalingani kwamaseli ngokuhamba kwesikhathi kanye nezimo zokushisa ezihlukahlukayo kusukela ekufakweni, ukulinganisa amaseli kubalulekile.
Amabhethri e-lithium-ion abhekene nezinhlobo ezimbili zokungafani: ukungafani kokushaja kanye nokungafani komthamo. Ukungafani kokushaja kwenzeka lapho amaseli anomthamo ofanayo ehluka kancane kancane ekushajeni. Ukungafani komthamo kwenzeka lapho amaseli anomthamo wokuqala ohlukene esetshenziswa ndawonye. Nakuba amaseli ngokuvamile efanelana kahle uma ekhiqizwa cishe ngesikhathi esifanayo nezinqubo zokukhiqiza ezifanayo, ukungafani kungavela kumaseli anemithombo engaziwa noma umehluko omkhulu wokukhiqiza.
Ukulinganisela Okusebenzayo vs. Ukulinganisela Okungaguquki
1. Inhloso
Amaphakethe ebhethri aqukethe amaseli amaningi axhunywe ochungechungeni, okungenzeka ukuthi awafani. Ukulinganisela kuqinisekisa ukuthi ukuphambuka kwamandla eseli kugcinwa ngaphakathi kwamazinga alindelekile, kugcina ukusetshenziswa kanye nokulawulwa okuphelele, ngaleyo ndlela kuvimbele umonakalo futhi kwandise impilo yebhethri.
2. Ukuqhathaniswa Komklamo
- Ukulinganisela Okungasebenzi: Ngokuvamile kukhipha amaseli e-voltage aphezulu kusetshenziswa ama-resistors, okuguqula amandla amaningi abe ukushisa. Le ndlela yandisa isikhathi sokushaja kwamanye amaseli kodwa isebenza kahle kakhulu.
- Ukulinganisela Okusebenzayo: Indlela eyinkimbinkimbi esabalalisa kabusha ukushaja ngaphakathi kwamaseli ngesikhathi somjikelezo wokushaja nokukhipha, inciphisa isikhathi sokushaja futhi yandise isikhathi sokukhipha. Ngokuvamile isebenzisa amasu okulinganisela phansi ngesikhathi sokukhipha kanye namasu okulinganisela phezulu ngesikhathi sokushaja.
- Izinzuzo kanye Nobubi Ukuqhathanisa: Ukulinganisa okungasebenzi kulula futhi kushibhile kodwa akusebenza kahle, njengoba kudla amandla njengokushisa futhi kunemiphumela yokulinganisa ehamba kancane. Ukulinganisela okusebenzayo kusebenza kahle kakhulu, kudlulisa amandla phakathi kwamaseli, okuthuthukisa ukusebenza kahle kokusetshenziswa futhi kufinyelele ibhalansi ngokushesha. Kodwa-ke, kuhilela izakhiwo eziyinkimbinkimbi nezindleko eziphakeme, kanye nezinselele zokuhlanganisa lezi zinhlelo kuma-IC azinikele.
Isiphetho
Umqondo we-BMS waqalwa wathuthukiswa kwamanye amazwe, ngemiklamo yokuqala ye-IC egxile ekutholakaleni kwamandla kagesi kanye nokushisa. Umqondo wokulinganisela waqalwa kamuva, ekuqaleni kusetshenziswa izindlela zokukhipha amandla ezihlanganisiwe kuma-IC. Le ndlela manje isisakazeke kabanzi, nezinkampani ezifana ne-TI, i-MAXIM, kanye ne-LINEAR zikhiqiza ama-chip anjalo, ezinye zihlanganisa abashayeli be-switch kuma-chip.
Kusukela ezimisweni zokulinganisela ezingasebenzi kanye nemidwebo, uma iphakethe lebhethri liqhathaniswa nebhareli, amaseli afana nezinti. Amaseli anamandla aphezulu angamapulangwe amade, kanti lawo anamandla aphansi angamapulangwe amafushane. Ukulinganisela okungasebenzi "kufushanisa" amapulangwe amade kuphela, okuholela ekuchithekeni kwamandla kanye nokungasebenzi kahle. Le ndlela inemikhawulo, okuhlanganisa ukushabalaliswa kokushisa okukhulu kanye nemiphumela yokulinganisela ehamba kancane kumaphakethe amakhulu.
Ukulinganisela okusebenzayo, ngokuphambene nalokho, "kugcwalisa amapulangwe amafushane," ukudlulisa amandla kusuka kumaseli anamandla aphezulu kuya kwanamandla aphansi, okuholela ekusebenzeni kahle okuphezulu kanye nokufinyeleleka kwebhalansi okusheshayo. Kodwa-ke, kwethula ubunzima nezinkinga zezindleko, kanye nezinselele ekuklameni ama-matrices okushintsha kanye nokulawula ama-drive.
Uma kubhekwa ukungalingani, ukulinganisela okungasebenzisi amandla kungafaneleka kumaseli anokuhambisana okuhle, kuyilapho ukulinganisela okusebenzayo kungcono kumaseli anokungafani okukhulu.
Isikhathi sokuthunyelwe: Agasti-27-2024
