Lokacin tsara ko faɗaɗa tsarin da ke amfani da batir, tambaya ta gama gari ta taso: Shin za a iya haɗa fakitin batir guda biyu masu ƙarfin lantarki iri ɗaya a jere? Amsar a takaice ita ceeh, amma tare da muhimmin sharaɗi:ƙarfin juriyar ƙarfin lantarki na da'irar kariyadole ne a yi nazari a hankali. A ƙasa, za mu yi bayani dalla-dalla game da fasaha da matakan kariya don tabbatar da aminci da inganci na aiki.
Fahimtar Iyakoki: Juriyar Wutar Lantarki ta Kariya
Fakitin batirin lithium galibi suna da Allon Kariya (PCB) don hana caji fiye da kima, fitar da caji fiye da kima, da kuma gajerun da'irori. Babban ma'auni na wannan PCB shineMatsayin juriya ga ƙarfin lantarki na MOSFETs ɗinsa(maɓallan lantarki waɗanda ke sarrafa kwararar wutar lantarki).
Misali Yanayi:
Misali, ɗauki fakitin batirin LiFePO4 guda biyu masu ƙwayoyin halitta 4. Kowace fakiti tana da cikakken ƙarfin caji na 14.6V (3.65V kowace ƙwayar halitta). Idan aka haɗa ta a jere, ƙarfin wutar lantarki da aka haɗa ya zama29.2VYawanci, ana tsara PCB na kariya daga batirin 12V ta hanyar amfani da MOSFETs.35–40VA wannan yanayin, jimlar ƙarfin lantarki (29.2V) yana faɗuwa cikin kewayon aminci, wanda ke ba da damar batura su yi aiki yadda ya kamata a jere.
Hadarin Wuce Iyakoki:
Duk da haka, idan ka haɗa irin waɗannan fakiti guda huɗu a jere, jimlar ƙarfin lantarki zai wuce 58.4V—wanda ya fi juriyar 35-40V na PCBs na yau da kullun. Wannan yana haifar da haɗari ɓoyayye:
Kimiyyar da ke Bayan Hadarin
Idan aka haɗa batura a jere, ƙarfin wutar lantarkinsu yana ƙaruwa, amma da'irorin kariya suna aiki daban-daban. A ƙarƙashin yanayi na yau da kullun, ƙarfin wutar lantarki da aka haɗa yana ba da ƙarfi ga kaya (misali, na'urar 48V) ba tare da wata matsala ba. Duk da haka, idanFakitin baturi ɗaya yana haifar da kariya(misali, saboda yawan fitar ruwa ko yawan fitar ruwa), MOSFETs ɗinsa za su cire wannan fakitin daga da'irar.
A wannan lokacin, ana amfani da cikakken ƙarfin batirin da ya rage a cikin jerin a kan MOSFETs ɗin da aka cire. Misali, a cikin saitin fakiti huɗu, PCB ɗin da aka cire zai fuskanci kusan kusan58.4V—wanda ya wuce ƙimar 35–40V. MOSFETs ɗin na iya gazawa sabodarushewar ƙarfin lantarki, kashe da'irar kariya ta dindindin kuma yana barin batirin ya zama mai rauni ga haɗari na gaba.
Magani don Haɗin Jerin Lafiya
Don guje wa waɗannan haɗarin, bi waɗannan jagororin:
1.Duba Bayanan Masana'anta:
Koyaushe ka tabbatar ko an ƙididdige PCB ɗin kariya daga batirinka don aikace-aikacen jerin. Wasu PCB an tsara su musamman don sarrafa ƙarfin lantarki mafi girma a cikin saitunan fakiti da yawa.
2.PCBs na Musamman na Babban Wutar Lantarki:
Ga ayyukan da ke buƙatar batura da yawa a jere (misali, tsarin ajiyar rana ko tsarin EV), zaɓi da'irori masu kariya tare da MOSFETs na musamman masu ƙarfin lantarki. Ana iya tsara waɗannan don jure jimlar ƙarfin lantarki na saitin jerin ku.
3.Tsarin Daidaitacce:
Tabbatar da cewa dukkan fakitin batir da ke cikin jerin sun daidaita a cikin ƙarfin aiki, shekaru, da lafiya don rage haɗarin haifar da rashin daidaito na hanyoyin kariya.
Tunani na Ƙarshe
Duk da cewa haɗa batura masu ƙarfin lantarki iri ɗaya a jere abu ne mai yiwuwa a zahiri, babban ƙalubalen yana cikin tabbatar da cewa ba a taɓa samun matsala baTsarin kariya na iya ɗaukar matsin lamba na tarin ƙarfin lantarkiTa hanyar fifita takamaiman kayan aiki da ƙira mai inganci, za ku iya haɓaka tsarin batirin ku cikin aminci don aikace-aikacen wutar lantarki mai ƙarfi.
A DALY, muna bayar dacustomizable PCB mafita mafitatare da MOSFETs masu ƙarfin lantarki mai ƙarfi don biyan buƙatun haɗin jeri na zamani. Tuntuɓi ƙungiyarmu don tsara tsarin wutar lantarki mafi aminci da aminci ga ayyukanku!
Lokacin Saƙo: Mayu-22-2025
