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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(zai)各個領域(yu)用(yong)途(tu)廣(guang)泛,特別(bie)是在(zai)生活領域(yu)被廣(guang)泛用(yong)于手機、相機等(deng)等(deng)常見電(dian)(dian)器(qi)(qi)。充電(dian)(dian)器(qi)(qi)是采用(yong)電(dian)(dian)力電(dian)(dian)子半導體器(qi)(qi)件,將電(dian)(dian)壓(ya)和頻率固(gu)定不變的(de)交流電(dian)(dian)變換為直流電(dian)(dian)的(de)一種(zhong)靜止變流裝置。在(zai)以蓄電(dian)(dian)池為工作電(dian)(dian)源(yuan)或(huo)備用(yong)電(dian)(dian)源(yuan)的(de)用(yong)電(dian)(dian)場合(he),充電(dian)(dian)器(qi)(qi)具有(you)廣(guang)泛的(de)應用(yong)前(qian)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(chong)電(dian)(dian)器給(gei)電(dian)(dian)池充(chong)電(dian)(dian)時,一定要按(an)電(dian)(dian)池的充(chong)電(dian)(dian)說明書選(xuan)用合適規格(ge)的充(chong)電(dian)(dian)器,并正(zheng)確連(lian)接。否則會出(chu)現用電(dian)(dian)器損壞或安(an)全事(shi)(shi)故(gu),建議選(xuan)用智能型充(chong)電(dian)(dian)器,因為其保(bao)護完(wan)善。一般不(bu)會出(chu)現事(shi)(shi)故(gu)。

工作原理  所有手機充電(dian)器(qi)其實都是由(you)一個穩(wen)定電(dian)源(yuan)(yuan)(主要(yao)是穩(wen)壓電(dian)源(yuan)(yuan)、提(ti)供穩(wen)定工作電(dian)壓和(he)足夠的(de)電(dian)流)加上必要(yao)的(de)恒流、限壓、限時等控制電(dian)路(lu)構成(cheng)。


  原裝充(chong)電(dian)器(qi)(指線(xian)充(chong))上所標注(zhu)的(de)(de)(de)輸(shu)(shu)(shu)出(chu)(chu)參數(shu):比如輸(shu)(shu)(shu)出(chu)(chu)4。4V/1A、輸(shu)(shu)(shu)出(chu)(chu)5.9V/400mA……就是指內(nei)部穩(wen)壓電(dian)源(yuan)的(de)(de)(de)相關(guan)參數(shu)。明白了(le)這個道(dao)理,你(ni)很(hen)會知道(dao)一個(品質(zhi)好(hao)的(de)(de)(de))手機充(chong)電(dian)器(qi)很(hen)容易改成(cheng)一個質(zhi)量優良的(de)(de)(de)穩(wen)壓電(dian)源(yuan)! 比如輸(shu)(shu)(shu)出(chu)(chu)4.4V可(ke)以給4.5V的(de)(de)(de)設備用(yong),5.9V的(de)(de)(de)可(ke)以給6V的(de)(de)(de)設備用(yong).

幾款較實用的充電器電路圖

幾款較(jiao)實用的充電器電路圖(3張(zhang))

 右側給出了幾款充(chong)(chong)(chong)電(dian)(dian)器(qi)(qi)(qi)電(dian)(dian)路(lu)(lu)原理圖:手機充(chong)(chong)(chong)電(dian)(dian)器(qi)(qi)(qi)電(dian)(dian)路(lu)(lu)圖、電(dian)(dian)動自行車電(dian)(dian)路(lu)(lu)圖和充(chong)(chong)(chong)電(dian)(dian)器(qi)(qi)(qi)電(dian)(dian)路(lu)(lu)圖、汽車電(dian)(dian)瓶充(chong)(chong)(chong)電(dian)(dian)器(qi)(qi)(qi)電(dian)(dian)路(lu)(lu)圖[1]。


按能源使用方式分類
  普通充電器(qi)(qi):用普通家庭用電等通過變壓器(qi)(qi)提供(gong)能源。


  蓄電(dian)池充(chong)電(dian)器:是專(zhuan)門針(zhen)對目前市場上廣泛應用的鉛酸免維護蓄電(dian)池或(huo)蓄電(dian)池組進行充(chong)電(dian)而設計,整(zheng)機體(ti)積小(xiao)、重(zhong)量(liang)輕、移(yi)動方便。


  太(tai)(tai)陽能(neng)充電器(qi):利用太(tai)(tai)陽能(neng)面板收集太(tai)(tai)陽能(neng)


  無線充電器:利用電磁耦合等原理


  手搖充電器:利用人(ren)力


  干電(dian)(dian)池應急充(chong):利(li)用1節到幾節干電(dian)(dian)池,提供(gong)應急充(chong)電(dian)(dian),一般大概能提供(gong)十幾分鐘的電(dian)(dian)能。

按使用產品的種類分類
  手機充電器


  萬能充電器


  筆記本充電(dian)器


  電(dian)(dian)動車充(chong)電(dian)(dian)器


  大(da)型充電機等


  相機充電器


  電動玩具充(chong)電器

按使用方式分類
  高級商(shang)務(wu)充(chong)(chong)(chong):商(shang)務(wu)旅行充(chong)(chong)(chong)電器,充(chong)(chong)(chong)電速度(du)快(kuai)而(er)且(qie)十分安全(quan),價格較一般充(chong)(chong)(chong)電器稍高;


  座式充(chong)(chong)電(dian)(dian)器(qi):外(wai)型(xing)獨特、新穎美(mei)觀、攜帶方便,適(shi)充(chong)(chong)容(rong)量200-3000mAH的(de)鋰(li)離子(LI-ION)鎳氫(NI-Mh)手(shou)機(ji)電(dian)(dian)池充(chong)(chong)電(dian)(dian),內置智(zhi)能識(shi)別電(dian)(dian)路,能自動轉換充(chong)(chong)電(dian)(dian)器(qi)輸出極(ji)(ji)性以適(shi)用電(dian)(dian)池正負極(ji)(ji),充(chong)(chong)電(dian)(dian)效果極(ji)(ji)佳,是家居/旅行時手(shou)機(ji)的(de)理想伴侶(lv);


  USB充(chong)電(dian)器:帶(dai)USB輸出接口,保給MP3/4、數碼相機等(deng)充(chong)電(dian);


  線式充電器:一般手機的(de)直充;


  車載充(chong)電(dian)器:以車上通用電(dian)源為(wei)供電(dian)裝置的充(chong)電(dian)器。

按原材料分類
  鎳氫鎳鎘充電器


  鋰(li)離子電池(chi)充(chong)電器


  鉛(qian)酸電池充(chong)電器

按級別分類
  軍品(pin)級(ji)充電(dian)器(工業充電(dian)器)


  民用級充電器


編輯本段組成部分
  1、金屬(shu)外殼


  2、輸(shu)(shu)入線、輸(shu)(shu)出線


  3、柔性(xing)線(xian)路板(ban)、電子元(yuan)器件(jian)(電容(rong)、CPU、單片機、MOS管、三極管、開(kai)關管)


編輯本段使用方法
  一(yi)、充電常識(shi)


  充(chong)電(dian)(dian)是(shi)使用(yong)充(chong)電(dian)(dian)電(dian)(dian)池(chi)的(de)重要(yao)(yao)步(bu)驟。適當(dang)合(he)理的(de)充(chong)電(dian)(dian)對(dui)(dui)(dui)延(yan)長電(dian)(dian)池(chi)壽(shou)命很有(you)好處,而(er)野蠻胡亂充(chong)電(dian)(dian)將會對(dui)(dui)(dui)電(dian)(dian)池(chi)壽(shou)命有(you)很大影(ying)響(xiang)。鋰電(dian)(dian)池(chi)基本都是(shi)根據(ju)各個(ge)(ge)產品單獨封裝,互不通用(yong)的(de),因此(ci)各個(ge)(ge)產品也提供各自(zi)的(de)充(chong)電(dian)(dian)設備,互不通用(yong),在使用(yong)時只(zhi)要(yao)(yao)遵(zun)循各自(zi)的(de)說明書使用(yong)即可(ke)。所(suo)以本篇對(dui)(dui)(dui)電(dian)(dian)池(chi)充(chong)電(dian)(dian)的(de)介紹主要(yao)(yao)是(shi)指鎳鎘(ge)電(dian)(dian)池(chi)和(he)鎳氫電(dian)(dian)池(chi)。對(dui)(dui)(dui)鎳隔電(dian)(dian)池(chi)和(he)鎳氫電(dian)(dian)池(chi)充(chong)電(dian)(dian)有(you)兩(liang)種方式(shi),就是(shi)我(wo)們大家所(suo)熟知的(de)“快充(chong)”和(he)“慢充(chong)”。快充(chong)和(he)慢充(chong)是(shi)充(chong)電(dian)(dian)的(de)一(yi)個(ge)(ge)重要(yao)(yao)概念,只(zhi)有(you)了解了快充(chong)和(he)慢充(chong)才能正確掌握(wo)充(chong)電(dian)(dian)。


  首(shou)先,快(kuai)充(chong)(chong)和慢(man)充(chong)(chong)是(shi)個相對(dui)的(de)概念。有人曾問,充(chong)(chong)電(dian)器充(chong)(chong)電(dian)電(dian)流有200mA,是(shi)不(bu)是(shi)快(kuai)充(chong)(chong)?這個答(da)案并不(bu)絕對(dui),應(ying)該回(hui)答(da)對(dui)于(yu)某些(xie)電(dian)池(chi)來說,它(ta)是(shi)快(kuai)充(chong)(chong),而對(dui)于(yu)某些(xie)電(dian)池(chi)來說,它(ta)只是(shi)慢(man)充(chong)(chong)。那我們究竟(jing)怎樣來判別快(kuai)充(chong)(chong)還是(shi)慢(man)充(chong)(chong)呢?


  例(li)如一節(jie)5號鎳氫電(dian)(dian)池的電(dian)(dian)容量(liang)為(wei)1200mAH,而(er)另(ling)一節(jie)則為(wei)1600mAH。把一節(jie)電(dian)(dian)池的電(dian)(dian)容量(liang)稱為(wei)1C,可見1C只(zhi)是一個邏輯概(gai)念,同樣的1C,并不相等(deng)。在充(chong)(chong)電(dian)(dian)時,充(chong)(chong)電(dian)(dian)電(dian)(dian)流小(xiao)于0.1C時,稱為(wei)涓流充(chong)(chong)電(dian)(dian)。顧名(ming)思(si)義,是指電(dian)(dian)流很小(xiao)。一般(ban)而(er)言,涓流充(chong)(chong)電(dian)(dian)能夠把電(dian)(dian)池充(chong)(chong)的很足(zu),而(er)不傷(shang)害電(dian)(dian)池壽(shou)命(ming),但用涓流充(chong)(chong)電(dian)(dian)所花的時間(jian)實在太長,因(yin)此很少單獨(du)使用,而(er)是和其它(ta)充(chong)(chong)電(dian)(dian)方式結合使用。


  充(chong)(chong)電(dian)(dian)電(dian)(dian)流在0.1C-0.2C之間時,稱為慢(man)速(su)充(chong)(chong)電(dian)(dian)。充(chong)(chong)電(dian)(dian)電(dian)(dian)流大(da)于0.2C,小(xiao)于0.8C則是(shi)快速(su)充(chong)(chong)電(dian)(dian)。而(er)當充(chong)(chong)電(dian)(dian)電(dian)(dian)流大(da)于0.8C時,稱之為超高(gao)速(su)充(chong)(chong)電(dian)(dian)。


  正因為(wei)1C是個(ge)邏(luo)輯概念而非絕對(dui)值(zhi)(zhi),因此根(gen)據1C折算的(de)快(kuai)充慢充也是一個(ge)相對(dui)值(zhi)(zhi)。前面例子中提到的(de)200mA充電電流對(dui)于1200mAH的(de)電池來說是慢充,而對(dui)于700mAH的(de)電池來說就(jiu)是快(kuai)充。


  放電說明


編輯本段注意事項
  充(chong)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)的(de)記(ji)憶(yi)效(xiao)應(ying),當(dang)記(ji)憶(yi)效(xiao)應(ying)逐漸累積,會使(shi)電(dian)(dian)(dian)(dian)池(chi)的(de)實際使(shi)用(yong)(yong)容量(liang)大幅下降。要減輕記(ji)憶(yi)效(xiao)應(ying)所帶來的(de)負作用(yong)(yong),一(yi)(yi)個有效(xiao)的(de)方法就(jiu)是(shi)(shi)放電(dian)(dian)(dian)(dian)。一(yi)(yi)般來講(jiang)由于鎳鎘電(dian)(dian)(dian)(dian)池(chi)的(de)記(ji)憶(yi)效(xiao)應(ying)比較明顯(xian),建議在(zai)(zai)反復充(chong)電(dian)(dian)(dian)(dian)使(shi)用(yong)(yong)5-10次后(hou)就(jiu)作一(yi)(yi)次放電(dian)(dian)(dian)(dian),而鎳氫電(dian)(dian)(dian)(dian)池(chi)的(de)記(ji)憶(yi)效(xiao)應(ying)不太明顯(xian),可以在(zai)(zai)反復充(chong)電(dian)(dian)(dian)(dian)使(shi)用(yong)(yong)20-30次后(hou)作一(yi)(yi)次放電(dian)(dian)(dian)(dian)。在(zai)(zai)市場(chang)上銷(xiao)售的(de)一(yi)(yi)些(xie)高檔(dang)充(chong)電(dian)(dian)(dian)(dian)器(qi)自(zi)身帶有放電(dian)(dian)(dian)(dian)功能,但絕大部分的(de)中(zhong)低檔(dang)充(chong)電(dian)(dian)(dian)(dian)器(qi)是(shi)(shi)沒有放電(dian)(dian)(dian)(dian)功能的(de),這時(shi)該怎(zen)么辦呢?在(zai)(zai)了解了放電(dian)(dian)(dian)(dian)的(de)原理后(hou),也(ye)可以自(zi)己嘗試(shi)著(zhu)對電(dian)(dian)(dian)(dian)池(chi)進行放電(dian)(dian)(dian)(dian)。


  鎳(nie)鎘(ge)電(dian)(dian)池(chi)和鎳(nie)氫電(dian)(dian)池(chi)的(de)(de)標稱電(dian)(dian)壓是(shi)(shi)1.2V,但實際(ji)上(shang),電(dian)(dian)池(chi)的(de)(de)電(dian)(dian)壓是(shi)(shi)個變(bian)化的(de)(de)值,隨(sui)著電(dian)(dian)量是(shi)(shi)否充足,圍繞(rao)著1.2V左右(you)進(jin)行波(bo)動(dong)。一般在1V-1.4V之間波(bo)動(dong),不同(tong)(tong)品牌的(de)(de)電(dian)(dian)池(chi)由于工藝上(shang)的(de)(de)不盡相同(tong)(tong),電(dian)(dian)壓波(bo)動(dong)范圍也不完全一致。


  對電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)進行放(fang)電(dian)(dian)(dian)(dian)就(jiu)是采用很小(xiao)的(de)(de)(de)(de)(de)放(fang)電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)流(liu),使電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)壓(ya)緩(huan)慢(man)下(xia)降,下(xia)降到0.9V-1V之間,就(jiu)應(ying)該停止放(fang)電(dian)(dian)(dian)(dian)。不(bu)建(jian)議將電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)放(fang)電(dian)(dian)(dian)(dian)到0.9V之下(xia),這樣做會造(zao)成過(guo)度放(fang)電(dian)(dian)(dian)(dian),使電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)受(shou)到不(bu)可逆的(de)(de)(de)(de)(de)傷害,上(shang)一篇曾說過(guo)的(de)(de)(de)(de)(de)充電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)不(bu)適合于用在(zai)家電(dian)(dian)(dian)(dian)遙控器(qi)(qi)中,就(jiu)是因(yin)為(wei)遙控器(qi)(qi)的(de)(de)(de)(de)(de)使用電(dian)(dian)(dian)(dian)流(liu)很小(xiao),長時(shi)間放(fang)在(zai)遙控器(qi)(qi)中使用很容(rong)易造(zao)成過(guo)度放(fang)電(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)經過(guo)一次(ci)(ci)正確(que)的(de)(de)(de)(de)(de)放(fang)電(dian)(dian)(dian)(dian)后(hou),你會驚喜的(de)(de)(de)(de)(de)發(fa)現(xian)(xian)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)(de)容(rong)量又恢復(fu)到原(yuan)來的(de)(de)(de)(de)(de)水平,因(yin)此當(dang)發(fa)現(xian)(xian)電(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)(de)(de)容(rong)量有(you)所下(xia)降時(shi),就(jiu)最(zui)好(hao)作一次(ci)(ci)放(fang)電(dian)(dian)(dian)(dian)。


  自己對電(dian)池做放(fang)電(dian)有個(ge)簡便的(de)方法,就是接一個(ge)小電(dian)珠(zhu)作為負載,但必須使用電(dian)表來監視電(dian)壓值的(de)變化,以防(fang)過度(du)放(fang)電(dian)。


  對于充(chong)(chong)電(dian)器(qi)(qi)(qi)的(de)(de)(de)選擇(ze),究竟是(shi)選擇(ze)快速(su)充(chong)(chong)電(dian)器(qi)(qi)(qi)還是(shi)慢速(su)恒流充(chong)(chong)電(dian)器(qi)(qi)(qi),這主要看(kan)自己使(shi)用(yong)的(de)(de)(de)側重點(dian)。例如經常外出(chu)使(shi)用(yong)數碼(ma)相(xiang)機等設備的(de)(de)(de)朋(peng)友,就(jiu)應(ying)該選擇(ze)快速(su)充(chong)(chong)電(dian)器(qi)(qi)(qi),以滿足時間(jian)上的(de)(de)(de)要求,甚(shen)至可以購買(mai)超高速(su)的(de)(de)(de)充(chong)(chong)電(dian)器(qi)(qi)(qi),而(er)只使(shi)用(yong)隨身(shen)聽等設備的(de)(de)(de)朋(peng)友,恒流充(chong)(chong)電(dian)器(qi)(qi)(qi)就(jiu)能滿足需要


  在掌握了正確(que)的充(chong)放電知識后,大(da)家(jia)一(yi)定能更好地使用自己的充(chong)電電池。請(qing)大(da)家(jia)不要拘泥于快速充(chong)電。


  勿將手機(ji)充電器放(fang)置于潮濕或者(zhe)高溫的(de)條件下(xia),這(zhe)樣減少手機(ji)充電器的(de)使(shi)用壽命。


  在充(chong)(chong)電(dian)(dian)器的(de)過程中會(hui)有一定的(de)發熱現象,在正常(chang)的(de)室溫下,只要(yao)不(bu)超過六十攝(she)氏度(du)屬于正常(chang)顯(xian)示,是不(bu)會(hui)損害電(dian)(dian)池(chi)。由(you)于手機的(de)款式和充(chong)(chong)電(dian)(dian)的(de)時間不(bu)一致,這與手機的(de)充(chong)(chong)電(dian)(dian)器的(de)充(chong)(chong)電(dian)(dian)性能無關(guan)。

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