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怎樣購買鎳氫電池充電器?

       數碼相機的迅速普及在無形中也帶動了鎳氫充電電池的高速發展。由于數碼相機的工作電流普遍較大,也比較耗電,普通的堿性電池已經難以長時間勝任數碼相機的動力之源。而鎳氫充電電池不但容量較大,還能提供較大的工作電流,又能重復使用且環保,自然而然地成為了大部分數碼相機玩家首選的能源。
      綜觀鎳氫電池市場,與原裝充電器搭配(pei)銷售的(de)(de)套裝(zhuang)電(dian)(dian)(dian)池(chi)工(gong)作穩(wen)定,但價(jia)格較(jiao)(jiao)(jiao)高,因此不(bu)少玩家都把目(mu)光瞄準了(le)價(jia)格相對較(jiao)(jiao)(jiao)低(di)的(de)(de)零(ling)售電(dian)(dian)(dian)池(chi)或價(jia)格更為便宜的(de)(de)工(gong)業包裝(zhuang)電(dian)(dian)(dian)池(chi)--這些電(dian)(dian)(dian)池(chi)都沒有充(chong)電(dian)(dian)(dian)器(qi)搭配(pei)銷售。另外,一部分玩家電(dian)(dian)(dian)池(chi)使(shi)用(yong)量較(jiao)(jiao)(jiao)大,一個充(chong)電(dian)(dian)(dian)器(qi)已(yi)經不(bu)能滿足日常需求,所以另行購買電(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)器(qi)是必要(yao)(yao)的(de)(de)。因而(er)如何去選擇讓(rang)自己滿意的(de)(de)鎳(nie)氫電(dian)(dian)(dian)池(chi)充(chong)電(dian)(dian)(dian)器(qi)便成了(le)重(zhong)要(yao)(yao)的(de)(de)事情。

       劣(lie)質(zhi)充(chong)電(dian)(dian)器(qi)(qi)(qi)的(de)危(wei)害: 一個(ge)充(chong)電(dian)(dian)器(qi)(qi)(qi)的(de)價格(ge)一般都在幾(ji)十(shi)元到數百元之間(jian),比(bi)起數碼相機的(de)價格(ge)來說(shuo)真是顯(xian)得(de)有些微不(bu)(bu)足道。但這個(ge)小(xiao)小(xiao)的(de)充(chong)電(dian)(dian)器(qi)(qi)(qi)如(ru)果質(zhi)量不(bu)(bu)過關的(de)話,給用戶帶來的(de)危(wei)害卻(que)不(bu)(bu)小(xiao)。首先,劣(lie)質(zhi)充(chong)電(dian)(dian)器(qi)(qi)(qi)由(you)于配(pei)件(jian)質(zhi)量不(bu)(bu)過關或電(dian)(dian)氣性能(neng)不(bu)(bu)良,自身容易(yi)出(chu)現短(duan)路、過熱燒毀等(deng)故障,輕(qing)則(ze)讓(rang)(rang)用戶損失充(chong)電(dian)(dian)器(qi)(qi)(qi),重則(ze)會(hui)引(yin)起各種災難性的(de)危(wei)害如(ru)火(huo)災等(deng);其次,劣(lie)質(zhi)充(chong)電(dian)(dian)器(qi)(qi)(qi)由(you)于輸(shu)出(chu)電(dian)(dian)流(liu)不(bu)(bu)穩定或不(bu)(bu)符合規格(ge),會(hui)引(yin)起電(dian)(dian)池過熱、充(chong)電(dian)(dian)不(bu)(bu)完全等(deng)故障,輕(qing)則(ze)影響使用,重則(ze)會(hui)引(yin)起電(dian)(dian)池爆炸等(deng)危(wei)險。由(you)此看來,充(chong)電(dian)(dian)器(qi)(qi)(qi)質(zhi)量的(de)好壞的(de)確要引(yin)起消費者(zhe)的(de)注意(yi)。作(zuo)一個(ge)形象的(de)比(bi)喻,電(dian)(dian)池好比(bi)戰(zhan)場上(shang)的(de)士兵(bing),而充(chong)電(dian)(dian)器(qi)(qi)(qi)就好比(bi)后勤(qin)部(bu)隊--要讓(rang)(rang)士兵(bing)在火(huo)線上(shang)隨時(shi)保持良好的(de)戰(zhan)斗(dou)狀態,后勤(qin)部(bu)隊至(zhi)關重要。下面就讓(rang)(rang)我們一步步來選購充(chong)電(dian)(dian)器(qi)(qi)(qi)。

      充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器的分(fen)類:充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器通(tong)常按充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)時間來分(fen)類,有"快(kuai)速(su)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(以(yi)下(xia)簡(jian)稱快(kuai)充(chong)(chong)(chong))"和"慢速(su)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(以(yi)下(xia)簡(jian)稱慢充(chong)(chong)(chong))"兩(liang)種。鎳(nie)氫電(dian)(dian)(dian)(dian)(dian)池的充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)時間基本上(shang)可(ke)按下(xia)列公(gong)式計算(suan):充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)時間(小時)≈效率系(xi)數(shu)×容量(mAh)÷充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(mA)  注:效率系(xi)數(shu)為1.2~1.5之間的一個不(bu)定數(shu),因(yin)不(bu)同充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器而異。

      慢(man)充(chong)一(yi)般采(cai)用(yong)(yong)恒流方(fang)式充(chong)電(dian),且在電(dian)池充(chong)滿后自動轉(zhuan)為(wei)涓流充(chong)電(dian)狀態。慢(man)充(chong)的優點(dian)是(shi)電(dian)路(lu)設(she)計簡單(dan),易(yi)于實現,價(jia)格也較低(di);由(you)于采(cai)用(yong)(yong)小(xiao)電(dian)流恒流充(chong)電(dian),有效地降低(di)了電(dian)池在充(chong)電(dian)過程中的發熱量,對延長電(dian)池的使(shi)用(yong)(yong)壽命很有好處。缺點(dian)就是(shi)充(chong)電(dian)時(shi)間太長,特(te)別是(shi)電(dian)池數量較多的情況下(xia)有點(dian)力不從心。

       快充(chong)(chong)(chong)一般都(dou)采(cai)用(yong)脈沖大(da)(da)電流充(chong)(chong)(chong)電,但由于(yu)電池(chi)在大(da)(da)電流充(chong)(chong)(chong)電過程中(zhong)會產生極化(hua)反(fan)應,導致電池(chi)溫(wen)度迅(xun)速升高,充(chong)(chong)(chong)滿后若再(zai)繼(ji)續加電就有可能發生爆炸和燃燒,所以快充(chong)(chong)(chong)還采(cai)用(yong)專用(yong)芯片(pian)來控(kong)制充(chong)(chong)(chong)電過程,實時監控(kong)電池(chi)電量(liang),一旦充(chong)(chong)(chong)滿就自動(dong)停(ting)止(zhi)充(chong)(chong)(chong)電,使整(zheng)個(ge)充(chong)(chong)(chong)電過程變得安全(quan)、高效。快充(chong)(chong)(chong)適合電池(chi)數量(liang)較多或心急的玩(wan)家。缺點便是無法避免的大(da)(da)發熱(re)量(liang),對電池(chi)壽命(ming)有一定的影響.價格也(ye)比慢充(chong)(chong)(chong)貴(gui)一些。

       類型(xing):前(qian)文提到的(de)(de)(de)(de)快(kuai)(kuai)(kuai)充(chong)(chong)和慢充(chong)(chong),也(ye)是挑選(xuan)充(chong)(chong)電(dian)器(qi)的(de)(de)(de)(de)一個(ge)(ge)重要(yao)標(biao)準。兩(liang)者(zhe)比(bi)較起來(lai)(lai),快(kuai)(kuai)(kuai)充(chong)(chong)的(de)(de)(de)(de)缺點是對(dui)電(dian)池(chi)的(de)(de)(de)(de)壽命有(you)所(suo)影響(xiang)以及(ji)價(jia)格較高(gao)。不過在(zai)這(zhe)個(ge)(ge)效(xiao)率(lv)至上的(de)(de)(de)(de)時(shi)(shi)代,快(kuai)(kuai)(kuai)充(chong)(chong)的(de)(de)(de)(de)流行(xing)趨勢越(yue)來(lai)(lai)越(yue)明顯,因為使用(yong)快(kuai)(kuai)(kuai)充(chong)(chong)所(suo)節省的(de)(de)(de)(de)時(shi)(shi)間遠(yuan)比(bi)電(dian)池(chi)所(suo)減少的(de)(de)(de)(de)壽命來(lai)(lai)得重要(yao)。況(kuang)且現在(zai)充(chong)(chong)電(dian)電(dian)池(chi)的(de)(de)(de)(de)價(jia)格也(ye)越(yue)來(lai)(lai)越(yue)低,所(suo)以在(zai)資金允許(xu)的(de)(de)(de)(de)情況(kuang)下(xia),最好選(xuan)擇快(kuai)(kuai)(kuai)充(chong)(chong)。 (質(zhi)量較差的(de)(de)(de)(de)充(chong)(chong)電(dian)器(qi)內部構造極為簡單(dan),電(dian)路板(ban)的(de)(de)(de)(de)工藝更是糟(zao)糕,因此(ci)如果是買(mai)非名牌充(chong)(chong)電(dian)器(qi)的(de)(de)(de)(de)話,開(kai)蓋(gai)看(kan)看(kan)還是有(you)必要(yao)的(de)(de)(de)(de))

      外觀及內(nei)在(zai)品(pin)質(zhi)(zhi):優(you)秀的(de)(de)做工在(zai)很(hen)大(da)程(cheng)度上也是(shi)廠商實力(li)的(de)(de)體現(xian),而用(yong)料(liao)(liao)的(de)(de)質(zhi)(zhi)量(liang)(liang)(liang)則是(shi)安(an)全使(shi)用(yong)的(de)(de)保(bao)(bao)障。我們在(zai)購買時(shi),可(ke)注意(yi)(yi)一(yi)下(xia)充(chong)電(dian)(dian)(dian)器(qi)外觀的(de)(de)光澤度、邊(bian)角(jiao)和小(xiao)地方(fang)的(de)(de)精細程(cheng)度;掂(dian)掂(dian)分量(liang)(liang)(liang)做一(yi)下(xia)比(bi)較(jiao),一(yi)般來(lai)說(shuo)同(tong)類(lei)型產品(pin)偷工減料(liao)(liao)者重(zhong)量(liang)(liang)(liang)相對(dui)較(jiao)輕(qing)。須要(yao)注意(yi)(yi)的(de)(de)是(shi),快(kuai)(kuai)充(chong)由于(yu)使(shi)用(yong)了控制(zhi)芯片以(yi)及開關電(dian)(dian)(dian)源(yuan),重(zhong)量(liang)(liang)(liang)有(you)可(ke)能(neng)會比(bi)慢充(chong)輕(qing),所(suo)以(yi)掂(dian)重(zhong)量(liang)(liang)(liang)這(zhe)種(zhong)差(cha)別方(fang)法最(zui)適合于(yu)同(tong)一(yi)類(lei)型的(de)(de)充(chong)電(dian)(dian)(dian)器(qi)。在(zai)條件允許(xu)的(de)(de)情況下(xia)可(ke)以(yi)要(yao)求商家將充(chong)電(dian)(dian)(dian)器(qi)打開觀看內(nei)部結構,看看內(nei)部電(dian)(dian)(dian)路板電(dian)(dian)(dian)子元件的(de)(de)排列、焊接工藝等方(fang)面,以(yi)確保(bao)(bao)貨真價實。另外,最(zui)好將自己使(shi)用(yong)的(de)(de)充(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi)帶上,在(zai)商家處充(chong)電(dian)(dian)(dian)30分鐘(zhong)左(zuo)右,觀察一(yi)下(xia)電(dian)(dian)(dian)池(chi)的(de)(de)發熱量(liang)(liang)(liang)--質(zhi)(zhi)量(liang)(liang)(liang)好的(de)(de)充(chong)電(dian)(dian)(dian)器(qi)能(neng)夠有(you)效地控制(zhi)發熱量(liang)(liang)(liang),而劣(lie)質(zhi)(zhi)充(chong)電(dian)(dian)(dian)器(qi)則有(you)可(ke)能(neng)將電(dian)(dian)(dian)池(chi)充(chong)得滾燙(tang)--這(zhe)種(zhong)現(xian)象(xiang)特別容(rong)易出現(xian)在(zai)劣(lie)質(zhi)(zhi)快(kuai)(kuai)充(chong)上。這(zhe)樣的(de)(de)產品(pin)一(yi)定不能(neng)購買。

    易(yi)用性:為了日后使用更加方便,在選(xuan)擇充(chong)電器時最好多(duo)考(kao)慮(lv)一下產(chan)品的易(yi)用性。

    有的充電器只能為AA電池充電,而有些充電器不但能充AA電池,還可以為AAA電池充電,如果有多種型號的充電電池,可以選擇這種充電器。 常見的充電器一般可以同時為4節電池充電,手中的電池比較多,同時又不愿意為大量電池充電而長時間等待的用戶,可以選擇有6個或8個甚至更多充電插槽的充電器,當然,這類充電器的體積會大一些,不便攜帶,價格也自然會高一些。 很多充電器由于電路設計的關系,只能為偶數節電池如2節、4節電池成對地充電,這對于某些使用單個電池的用戶來說很不方便,于是市場有一些充電器在電路設計時考慮到了這一問題,它們可以為1節、3節等奇數節電池充電。在購買時建議選擇這類充電器,以便日后的使用。由于鎳氫和鎳鎘電池的結構相近,所以有的鎳氫電池充電器在設(she)計時還考慮到了對鎳鎘電池的兼容,如果想讓(rang)手中(zhong)的老電池再次煥發(fa)青春(chun),這(zhe)類充電器倒(dao)是一個不錯的選擇。

      除(chu)此以外(wai),還有(you)一(yi)個小(xiao)地方(fang)要(yao)提醒大家注意,有(you)的充(chong)電器(qi)為方(fang)便攜帶,將插(cha)頭與(yu)機身做在了一(yi)起(qi),不(bu)過在使用時往往會在多(duo)用插(cha)線(xian)板上占去兩(liang)個甚至更多(duo)插(cha)座(zuo)的位置,對于插(cha)座(zuo)比較(jiao)集中的朋友來說(shuo),充(chong)電時就不(bu)得不(bu)把其他的插(cha)頭拔掉,很(hen)不(bu)方(fang)便。如果不(bu)想為充(chong)電器(qi)另行購買一(yi)個插(cha)線(xian)板的話,就應該選擇非(fei)一(yi)體式的充(chong)電器(qi)了。

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