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充電器簡介、分類及使用說明與注意事項

充電器通常指的是一種將交流電轉換為低壓直流電的設備。充電器在各個領(ling)域用途(tu)廣泛,特(te)別是(shi)在生活領(ling)域被廣泛用于手機、相(xiang)機等等常見電(dian)器。充電(dian)器是(shi)采(cai)用電(dian)力電(dian)子半(ban)導體器件,將電(dian)壓和頻率固定不變的(de)交(jiao)流電(dian)變換(huan)為直流電(dian)的(de)一(yi)種靜(jing)止(zhi)變流裝置(zhi)。在以蓄電(dian)池(chi)為工作電(dian)源或備用電(dian)源的(de)用電(dian)場合,充電(dian)器具有廣泛的(de)應用前景。

充電器簡介

  充電器有很多,如鉛酸蓄電池充電器、閥控密封鉛酸蓄電池的測試與監測、鎘鎳電池充電器、鎳氫電池充電器鋰離子電池充電器、便攜式電子設備鋰離子電池充電器、鋰離子電池保護電路多功能充電器、電動車蓄電池充電器、車充等。


  用充電(dian)(dian)(dian)(dian)器(qi)給電(dian)(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)(dian)時,一定要按電(dian)(dian)(dian)(dian)池(chi)的充電(dian)(dian)(dian)(dian)說明(ming)書選用合適規格的充電(dian)(dian)(dian)(dian)器(qi),并正確(que)連接(jie)。否則(ze)會出(chu)現(xian)用電(dian)(dian)(dian)(dian)器(qi)損壞(huai)或安全事(shi)故(gu),建議選用智能(neng)型充電(dian)(dian)(dian)(dian)器(qi),因為其保護完善。一般(ban)不會出(chu)現(xian)事(shi)故(gu)。

工作原理  所有手機充電(dian)器其實都(dou)是由一個穩(wen)定電(dian)源(主要(yao)是穩(wen)壓電(dian)源、提(ti)供穩(wen)定工作電(dian)壓和足夠(gou)的電(dian)流(liu))加(jia)上必要(yao)的恒(heng)流(liu)、限(xian)壓、限(xian)時等控制電(dian)路(lu)構成。


  原裝充電(dian)(dian)器(指線充)上所標注的輸出參(can)數:比(bi)如(ru)輸出4。4V/1A、輸出5.9V/400mA……就是指內部穩(wen)壓電(dian)(dian)源的相關參(can)數。明(ming)白(bai)了這個道理,你很(hen)會知道一個(品質好的)手(shou)機(ji)充電(dian)(dian)器很(hen)容易改成一個質量優良的穩(wen)壓電(dian)(dian)源! 比(bi)如(ru)輸出4.4V可以給(gei)4.5V的設(she)備用(yong),5.9V的可以給(gei)6V的設(she)備用(yong).

幾款較實用的充電器電路圖

幾(ji)款較(jiao)實用的充電器電路(lu)圖(3張(zhang))

 右側給(gei)出了幾(ji)款充電(dian)(dian)(dian)器(qi)(qi)電(dian)(dian)(dian)路原(yuan)理圖(tu):手機充電(dian)(dian)(dian)器(qi)(qi)電(dian)(dian)(dian)路圖(tu)、電(dian)(dian)(dian)動自行車(che)電(dian)(dian)(dian)路圖(tu)和(he)充電(dian)(dian)(dian)器(qi)(qi)電(dian)(dian)(dian)路圖(tu)、汽車(che)電(dian)(dian)(dian)瓶充電(dian)(dian)(dian)器(qi)(qi)電(dian)(dian)(dian)路圖(tu)[1]。


按能源使用方式分類
  普(pu)通(tong)充(chong)電器:用普(pu)通(tong)家(jia)庭用電等通(tong)過變壓(ya)器提供能源。


  蓄(xu)(xu)電(dian)(dian)池充電(dian)(dian)器(qi):是專(zhuan)門針(zhen)對目前市場(chang)上廣泛應用的鉛酸免維護蓄(xu)(xu)電(dian)(dian)池或蓄(xu)(xu)電(dian)(dian)池組進行充電(dian)(dian)而(er)設(she)計,整機(ji)體積小、重量輕、移動方(fang)便。


  太陽能充電(dian)器:利(li)用太陽能面(mian)板收集太陽能


  無線充電器:利用電磁耦合(he)等原(yuan)理(li)


  手搖充電器:利用(yong)人力(li)


  干電池應急充:利用(yong)1節(jie)到幾節(jie)干電池,提(ti)供應急充電,一般大概能(neng)(neng)提(ti)供十幾分鐘的電能(neng)(neng)。

按使用產品的種類分類
  手機充電器


  萬能充電器


  筆(bi)記(ji)本充電器


  電(dian)動車(che)充電(dian)器


  大(da)型充電機等


  相機充電器


  電(dian)動玩具充電(dian)器(qi)

按使用方式分類
  高級商務(wu)充(chong):商務(wu)旅(lv)行充(chong)電(dian)器(qi),充(chong)電(dian)速度快而且(qie)十分安全,價(jia)格(ge)較一般充(chong)電(dian)器(qi)稍高;


  座(zuo)式充(chong)(chong)電器:外型(xing)獨(du)特、新穎美觀、攜帶方便(bian),適充(chong)(chong)容量(liang)200-3000mAH的鋰離子(LI-ION)鎳氫(qing)(NI-Mh)手機電池充(chong)(chong)電,內置智能識別(bie)電路(lu),能自動(dong)轉(zhuan)換充(chong)(chong)電器輸出(chu)極性以適用電池正負極,充(chong)(chong)電效果極佳,是家居/旅行時(shi)手機的理想伴侶;


  USB充電器:帶USB輸出接口,保給MP3/4、數碼相機等充電;


  線式充電器:一(yi)般手機的直充;


  車載充(chong)電(dian)(dian)器:以車上通用電(dian)(dian)源為(wei)供(gong)電(dian)(dian)裝置(zhi)的充(chong)電(dian)(dian)器。

按原材料分類
  鎳氫(qing)鎳鎘充電器


  鋰離子(zi)電池充電器(qi)


  鉛酸電池充電器(qi)

按級別分類
  軍(jun)品級(ji)充電器(工業充電器)


  民用級充電器(qi)


編輯本段組成部分
  1、金屬外殼


  2、輸入線(xian)、輸出(chu)線(xian)


  3、柔(rou)性線路板、電(dian)子元器件(電(dian)容(rong)、CPU、單(dan)片(pian)機、MOS管(guan)、三(san)極(ji)管(guan)、開關管(guan))


編輯本段使用方法
  一、充電(dian)常(chang)識(shi)


  充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)是使用(yong)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)的(de)(de)重(zhong)要(yao)步驟(zou)。適當合(he)理(li)的(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)對(dui)(dui)延長電(dian)(dian)(dian)(dian)池(chi)壽(shou)命很(hen)(hen)有(you)好處,而野蠻(man)胡亂充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)將會對(dui)(dui)電(dian)(dian)(dian)(dian)池(chi)壽(shou)命有(you)很(hen)(hen)大影響。鋰電(dian)(dian)(dian)(dian)池(chi)基(ji)本都是根(gen)據各(ge)個產品(pin)單獨封(feng)裝,互(hu)不(bu)(bu)通(tong)用(yong)的(de)(de),因此各(ge)個產品(pin)也提供各(ge)自的(de)(de)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)設備,互(hu)不(bu)(bu)通(tong)用(yong),在(zai)使用(yong)時只要(yao)遵循(xun)各(ge)自的(de)(de)說明書使用(yong)即可。所(suo)以本篇對(dui)(dui)電(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)的(de)(de)介紹主要(yao)是指鎳(nie)鎘電(dian)(dian)(dian)(dian)池(chi)和鎳(nie)氫(qing)電(dian)(dian)(dian)(dian)池(chi)。對(dui)(dui)鎳(nie)隔電(dian)(dian)(dian)(dian)池(chi)和鎳(nie)氫(qing)電(dian)(dian)(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)有(you)兩種方式,就是我們(men)大家所(suo)熟知(zhi)的(de)(de)“快(kuai)充(chong)(chong)(chong)”和“慢(man)充(chong)(chong)(chong)”。快(kuai)充(chong)(chong)(chong)和慢(man)充(chong)(chong)(chong)是充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)的(de)(de)一個重(zhong)要(yao)概(gai)念,只有(you)了解(jie)了快(kuai)充(chong)(chong)(chong)和慢(man)充(chong)(chong)(chong)才能(neng)正確掌握充(chong)(chong)(chong)電(dian)(dian)(dian)(dian)。


  首先,快(kuai)充(chong)和(he)慢充(chong)是(shi)個相對(dui)的(de)概念。有人曾問,充(chong)電器充(chong)電電流有200mA,是(shi)不(bu)是(shi)快(kuai)充(chong)?這個答案(an)并不(bu)絕(jue)對(dui),應該回答對(dui)于某(mou)些電池來(lai)(lai)說,它是(shi)快(kuai)充(chong),而對(dui)于某(mou)些電池來(lai)(lai)說,它只(zhi)是(shi)慢充(chong)。那我們究(jiu)竟怎樣(yang)來(lai)(lai)判別快(kuai)充(chong)還(huan)是(shi)慢充(chong)呢?


  例(li)如(ru)一節5號鎳氫電(dian)(dian)池(chi)的(de)(de)(de)電(dian)(dian)容量為1200mAH,而另一節則(ze)為1600mAH。把(ba)一節電(dian)(dian)池(chi)的(de)(de)(de)電(dian)(dian)容量稱為1C,可見1C只是一個邏輯(ji)概(gai)念,同樣的(de)(de)(de)1C,并不相等。在充(chong)(chong)(chong)電(dian)(dian)時(shi),充(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流小于0.1C時(shi),稱為涓(juan)(juan)流充(chong)(chong)(chong)電(dian)(dian)。顧名思義,是指電(dian)(dian)流很(hen)(hen)小。一般而言,涓(juan)(juan)流充(chong)(chong)(chong)電(dian)(dian)能夠把(ba)電(dian)(dian)池(chi)充(chong)(chong)(chong)的(de)(de)(de)很(hen)(hen)足,而不傷害電(dian)(dian)池(chi)壽命,但(dan)用涓(juan)(juan)流充(chong)(chong)(chong)電(dian)(dian)所花的(de)(de)(de)時(shi)間實(shi)在太長,因此很(hen)(hen)少單(dan)獨使(shi)用,而是和其(qi)它(ta)充(chong)(chong)(chong)電(dian)(dian)方式結合(he)使(shi)用。


  充(chong)(chong)(chong)電(dian)電(dian)流(liu)在0.1C-0.2C之間時,稱為慢速(su)充(chong)(chong)(chong)電(dian)。充(chong)(chong)(chong)電(dian)電(dian)流(liu)大于0.2C,小于0.8C則是(shi)快速(su)充(chong)(chong)(chong)電(dian)。而(er)當充(chong)(chong)(chong)電(dian)電(dian)流(liu)大于0.8C時,稱之為超高(gao)速(su)充(chong)(chong)(chong)電(dian)。


  正因(yin)為1C是個邏(luo)輯概念而(er)非(fei)絕對值(zhi),因(yin)此根據(ju)1C折(zhe)算的快(kuai)(kuai)充(chong)(chong)慢充(chong)(chong)也是一個相(xiang)對值(zhi)。前面例子中提(ti)到的200mA充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流對于1200mAH的電(dian)(dian)(dian)池來說(shuo)是慢充(chong)(chong),而(er)對于700mAH的電(dian)(dian)(dian)池來說(shuo)就是快(kuai)(kuai)充(chong)(chong)。


  放電說明


編輯本段注意事項
  充電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)記(ji)憶(yi)效(xiao)應,當記(ji)憶(yi)效(xiao)應逐漸累積(ji),會(hui)使電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)實際使用容量大幅(fu)下降。要減輕記(ji)憶(yi)效(xiao)應所帶(dai)來的(de)負作(zuo)用,一(yi)個有效(xiao)的(de)方法就是放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)。一(yi)般來講由于鎳鎘(ge)電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)記(ji)憶(yi)效(xiao)應比較明顯(xian),建議在(zai)反復充電(dian)(dian)(dian)(dian)(dian)使用5-10次(ci)后就作(zuo)一(yi)次(ci)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian),而鎳氫電(dian)(dian)(dian)(dian)(dian)池(chi)的(de)記(ji)憶(yi)效(xiao)應不太明顯(xian),可以(yi)(yi)在(zai)反復充電(dian)(dian)(dian)(dian)(dian)使用20-30次(ci)后作(zuo)一(yi)次(ci)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)。在(zai)市場上銷售(shou)的(de)一(yi)些高檔充電(dian)(dian)(dian)(dian)(dian)器(qi)自(zi)身帶(dai)有放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)功能(neng),但絕大部分的(de)中低(di)檔充電(dian)(dian)(dian)(dian)(dian)器(qi)是沒有放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)功能(neng)的(de),這時該(gai)怎么辦呢?在(zai)了(le)解了(le)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)的(de)原(yuan)理后,也可以(yi)(yi)自(zi)己嘗(chang)試著對電(dian)(dian)(dian)(dian)(dian)池(chi)進行放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)。


  鎳鎘電(dian)(dian)池和鎳氫電(dian)(dian)池的(de)(de)(de)標稱電(dian)(dian)壓(ya)(ya)是1.2V,但實際上,電(dian)(dian)池的(de)(de)(de)電(dian)(dian)壓(ya)(ya)是個變化(hua)的(de)(de)(de)值,隨(sui)著電(dian)(dian)量是否(fou)充足,圍(wei)繞著1.2V左右進(jin)行波動(dong)。一般在(zai)1V-1.4V之間波動(dong),不(bu)(bu)(bu)同(tong)品牌的(de)(de)(de)電(dian)(dian)池由于工藝上的(de)(de)(de)不(bu)(bu)(bu)盡相(xiang)同(tong),電(dian)(dian)壓(ya)(ya)波動(dong)范圍(wei)也(ye)不(bu)(bu)(bu)完全一致。


  對電(dian)(dian)(dian)(dian)池(chi)進(jin)行放(fang)(fang)電(dian)(dian)(dian)(dian)就是采用(yong)(yong)很(hen)小(xiao)的(de)(de)放(fang)(fang)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu),使(shi)電(dian)(dian)(dian)(dian)池(chi)的(de)(de)電(dian)(dian)(dian)(dian)壓緩(huan)慢下(xia)(xia)降,下(xia)(xia)降到0.9V-1V之間,就應該停止放(fang)(fang)電(dian)(dian)(dian)(dian)。不建議將(jiang)電(dian)(dian)(dian)(dian)池(chi)放(fang)(fang)電(dian)(dian)(dian)(dian)到0.9V之下(xia)(xia),這(zhe)樣做會造成(cheng)過(guo)度(du)放(fang)(fang)電(dian)(dian)(dian)(dian),使(shi)電(dian)(dian)(dian)(dian)池(chi)受到不可逆的(de)(de)傷害,上一篇曾說過(guo)的(de)(de)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)不適合于用(yong)(yong)在(zai)家電(dian)(dian)(dian)(dian)遙(yao)控器中,就是因為遙(yao)控器的(de)(de)使(shi)用(yong)(yong)電(dian)(dian)(dian)(dian)流(liu)很(hen)小(xiao),長時間放(fang)(fang)在(zai)遙(yao)控器中使(shi)用(yong)(yong)很(hen)容(rong)(rong)易(yi)造成(cheng)過(guo)度(du)放(fang)(fang)電(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)池(chi)經過(guo)一次正確的(de)(de)放(fang)(fang)電(dian)(dian)(dian)(dian)后,你會驚喜的(de)(de)發(fa)現(xian)電(dian)(dian)(dian)(dian)池(chi)的(de)(de)容(rong)(rong)量(liang)又恢(hui)復到原來的(de)(de)水平,因此當發(fa)現(xian)電(dian)(dian)(dian)(dian)池(chi)的(de)(de)容(rong)(rong)量(liang)有所(suo)下(xia)(xia)降時,就最好(hao)作一次放(fang)(fang)電(dian)(dian)(dian)(dian)。


  自己對電(dian)池(chi)做放(fang)電(dian)有個(ge)簡便的方法,就是接一個(ge)小電(dian)珠作為負載,但必須使用電(dian)表(biao)來(lai)監視電(dian)壓(ya)值的變化(hua),以(yi)防過(guo)度放(fang)電(dian)。


  對于充(chong)電器(qi)(qi)的(de)(de)(de)(de)(de)選(xuan)擇(ze),究竟是(shi)選(xuan)擇(ze)快速(su)充(chong)電器(qi)(qi)還是(shi)慢(man)速(su)恒(heng)流(liu)充(chong)電器(qi)(qi),這主要(yao)看自己(ji)使(shi)(shi)(shi)用的(de)(de)(de)(de)(de)側重(zhong)點。例如經(jing)常外出使(shi)(shi)(shi)用數碼(ma)相機等設(she)備的(de)(de)(de)(de)(de)朋(peng)友,就應該選(xuan)擇(ze)快速(su)充(chong)電器(qi)(qi),以(yi)滿足時間上(shang)的(de)(de)(de)(de)(de)要(yao)求,甚(shen)至可以(yi)購(gou)買超高速(su)的(de)(de)(de)(de)(de)充(chong)電器(qi)(qi),而(er)只使(shi)(shi)(shi)用隨(sui)身聽等設(she)備的(de)(de)(de)(de)(de)朋(peng)友,恒(heng)流(liu)充(chong)電器(qi)(qi)就能(neng)滿足需要(yao)


  在(zai)掌握了(le)正(zheng)確的(de)充放電知識后,大家(jia)一定能更好地使用(yong)自己(ji)的(de)充電電池。請大家(jia)不要拘泥于快速(su)充電。


  勿將(jiang)手機充電器(qi)放置(zhi)于(yu)潮濕(shi)或者(zhe)高(gao)溫(wen)的(de)(de)條件下,這樣減(jian)少手機充電器(qi)的(de)(de)使用壽命(ming)。


  在充(chong)電(dian)器(qi)的(de)過程中會(hui)有一(yi)定的(de)發熱現象,在正(zheng)常的(de)室(shi)溫下,只要不超(chao)過六十攝氏度屬于(yu)正(zheng)常顯示(shi),是不會(hui)損害電(dian)池。由(you)于(yu)手機的(de)款(kuan)式和充(chong)電(dian)的(de)時間不一(yi)致,這(zhe)與(yu)手機的(de)充(chong)電(dian)器(qi)的(de)充(chong)電(dian)性(xing)能(neng)無關。

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