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航模電池資訊 hmdczx

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航模鋰電池串聯和并聯圖解

目前最新的航模電池是聚合物鋰(li)(li)(li)電(dian)(dian)(dian)(dian)池(chi),一般來說投入(ru)使用(yong)(yong)的(de)鋰(li)(li)(li)電(dian)(dian)(dian)(dian)池(chi)成品(pin)都是電(dian)(dian)(dian)(dian)池(chi)組,都是通過(guo)串聯和(he)并聯組合之后才能(neng)達到實際的(de)應用(yong)(yong)要(yao)求。在模(mo)型行業電(dian)(dian)(dian)(dian)池(chi),這(zhe)些(xie)利用(yong)(yong)無線電(dian)(dian)(dian)(dian)控制(zhi)電(dian)(dian)(dian)(dian)池(chi)來驅動航(hang)(hang)(hang)模(mo)飛行具有最高(gao)的(de)功率重量比,是電(dian)(dian)(dian)(dian)動遙控飛機(ji)如(ru)(ru)此成功和(he)受歡迎(ying)的(de)主(zhu)要(yao)原因。然而,與我(wo)們都習慣使用(yong)(yong)的(de)鎳(nie)鎘(ge)電(dian)(dian)(dian)(dian)池(chi)相(xiang)比,它們是不同的(de)。這(zhe)些(xie)鋰(li)(li)(li)電(dian)(dian)(dian)(dian)池(chi)不能(neng)使用(yong)(yong)鎳(nie)鎘(ge)電(dian)(dian)(dian)(dian)池(chi)的(de)航(hang)(hang)(hang)模(mo)電(dian)(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)(dian)器充(chong)電(dian)(dian)(dian)(dian)。僅使用(yong)(yong)專(zhuan)門用(yong)(yong)于鋰(li)(li)(li)電(dian)(dian)(dian)(dian)池(chi)的(de)航(hang)(hang)(hang)模(mo)電(dian)(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)(dian)器。如(ru)(ru)果這(zhe)些(xie)航(hang)(hang)(hang)模(mo)電(dian)(dian)(dian)(dian)池(chi)使用(yong)(yong)不當,可能(neng)會引發火災!在充(chong)電(dian)(dian)(dian)(dian)之前,務必將聚合物鋰(li)(li)(li)電(dian)(dian)(dian)(dian)池(chi)從航(hang)(hang)(hang)模(mo)上取(qu)下并放入(ru)防火區域。

單個聚合物鋰電池的標(biao)稱額定值電(dian)(dian)(dian)壓為3.7伏(fu)。各個電(dian)(dian)(dian)池可(ke)以連接(jie)在(zai)一起,形成(cheng)電(dian)(dian)(dian)池組(zu),可(ke)以是串聯配(pei)置(zhi),也(ye)可(ke)以是并(bing)聯。如果下圖所示的電(dian)(dian)(dian)池是2100mAh,則(ze)串聯電(dian)(dian)(dian)池(4S)的電(dian)(dian)(dian)壓將(jiang)為3.7Vx 4個電(dian)(dian)(dian)池= 14.8V。以并(bing)聯配(pei)置(zhi)(4P)所示出的鋰(li)電(dian)(dian)(dian)池將(jiang)具有(you)3.7V的電(dian)(dian)(dian)壓和2100mAhx4電(dian)(dian)(dian)池的容(rong)量= 8400mAh。

鋰電池串聯和并聯圖

上圖所示(shi),該電(dian)池(chi)組(zu)(zu)串聯(lian)被稱為(wei)4S,并聯(lian)作(zuo)為(wei)4P。數字表示(shi)單元數,字母表示(shi)串聯(lian)(S)或并聯(lian)(P)。如(ru)果(guo)串聯(lian)電(dian)池(chi)組(zu)(zu)加倍并且并聯(lian)連接在一起,它將(jiang)被稱為(wei)4S2P電(dian)池(chi)組(zu)(zu),其電(dian)壓為(wei)14.8V,容量(liang)為(wei)4200mAh。(2100 x 2 = 4200 mAh)

在討論聚合物鋰電(dian)池時(shi)(shi)你會遇到(dao)的(de)(de)(de)(de)(de)另一(yi)個(ge)數字是(shi)(shi)“C”級(ji)。這(zhe)代表(biao)(biao)航模電(dian)池的(de)(de)(de)(de)(de)倍率(lv)。舉個(ge)例(li)子,你可(ke)能會遇到(dao)20C。容量(liang)通(tong)常表(biao)(biao)示為(wei)mAh(毫安小時(shi)(shi)),假(jia)設1000mAh的(de)(de)(de)(de)(de)電(dian)池可(ke)以(yi)在一(yi)小時(shi)(shi)內提(ti)供1A。如果同樣的(de)(de)(de)(de)(de)電(dian)池額(e)定溫度為(wei)20℃,那么它(ta)可(ke)以(yi)提(ti)供高(gao)達(da)20倍的(de)(de)(de)(de)(de)1安培容量(liang),即最(zui)多可(ke)以(yi)流(liu)過20安培。但是(shi)(shi),它(ta)只能提(ti)供3分(fen)鐘(zhong)的(de)(de)(de)(de)(de)電(dian)量(liang)(1Ahx60 / 20 = 3分(fen)鐘(zhong))。如果聚合物鋰電(dian)池的(de)(de)(de)(de)(de)額(e)定溫度為(wei)30C,則(ze)電(dian)流(liu)可(ke)以(yi)高(gao)達(da)30倍(30A),但持(chi)續時(shi)(shi)間下降(jiang)到(dao)2分(fen)鐘(zhong)(1Ahx60 / 30 = 2分(fen)鐘(zhong)),在電(dian)池方面,保持(chi)良好(hao)(hao)的(de)(de)(de)(de)(de)使(shi)用(yong)習慣是(shi)(shi)一(yi)個(ge)好(hao)(hao)的(de)(de)(de)(de)(de)現象,并且使(shi)用(yong)的(de)(de)(de)(de)(de)電(dian)池大約是(shi)(shi)所聲稱的(de)(de)(de)(de)(de)C級(ji)的(de)(de)(de)(de)(de)一(yi)半。損壞(huai)電(dian)池的(de)(de)(de)(de)(de)風險(xian)大大降(jiang)低(di),再充電(dian)次(ci)數將增加,即壽命(ming)將更長。

你可以自己(ji)制作并聯(lian)或串聯(lian)的電池(chi)組(zu)(zu)。但是(shi)你必須(xu)能夠焊接,并保(bao)持電路(lu)彼此分開!短路(lu)會對電池(chi)造成很(hen)大(da)傷(shang)害!制造電池(chi)時的另一點是(shi)串聯(lian)電池(chi)組(zu)(zu)可以具有(you)不同電壓的電池(chi),但容量必須(xu)相同。對于并聯(lian)電池(chi)組(zu)(zu),電壓必須(xu)相同,但容量可以變。

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