亚洲中文字幕一二三四区无,国产孕妇高清无码在线视频,豆奶视频官网免费版,麻豆视传媒官网免费观看,亚洲精品乱码久久久久久蜜桃图片

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)途廣(guang)(guang)泛(fan),特別是在(zai)生活領域(yu)被廣(guang)(guang)泛(fan)用(yong)于(yu)手機、相機等等常(chang)見電(dian)(dian)器(qi)。充電(dian)(dian)器(qi)是采用(yong)電(dian)(dian)力電(dian)(dian)子半導體器(qi)件,將電(dian)(dian)壓和頻率固定不變的(de)交流(liu)電(dian)(dian)變換為直(zhi)流(liu)電(dian)(dian)的(de)一種靜止變流(liu)裝置。在(zai)以蓄(xu)電(dian)(dian)池為工作電(dian)(dian)源或(huo)備用(yong)電(dian)(dian)源的(de)用(yong)電(dian)(dian)場合(he),充電(dian)(dian)器(qi)具有(you)廣(guang)(guang)泛(fan)的(de)應用(yong)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(chong)(chong)電(dian)(dian)器(qi)給電(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)時,一定要按電(dian)(dian)池(chi)的(de)充(chong)(chong)電(dian)(dian)說明書(shu)選用合適規格的(de)充(chong)(chong)電(dian)(dian)器(qi),并正確(que)連接。否則會出現用電(dian)(dian)器(qi)損(sun)壞或安全事(shi)故(gu),建議(yi)選用智能型充(chong)(chong)電(dian)(dian)器(qi),因為其保護完善。一般(ban)不會出現事(shi)故(gu)。

工(gong)作(zuo)原理  所有手(shou)機(ji)充電(dian)器其實都是由一個穩定電(dian)源(主(zhu)要(yao)是穩壓電(dian)源、提(ti)供穩定工(gong)作(zuo)電(dian)壓和足夠的電(dian)流(liu))加(jia)上必要(yao)的恒流(liu)、限壓、限時等控(kong)制電(dian)路構成。


  原(yuan)裝充(chong)電器(指線充(chong))上(shang)所(suo)標(biao)注的(de)輸出(chu)參數:比如(ru)輸出(chu)4。4V/1A、輸出(chu)5.9V/400mA……就是指內部穩(wen)壓電源的(de)相關(guan)參數。明(ming)白了這個道理,你(ni)很會(hui)知(zhi)道一個(品質好的(de))手機充(chong)電器很容易改(gai)成(cheng)一個質量優良的(de)穩(wen)壓電源! 比如(ru)輸出(chu)4.4V可(ke)以(yi)給(gei)4.5V的(de)設備用,5.9V的(de)可(ke)以(yi)給(gei)6V的(de)設備用.

幾款較實用的充電器電路圖

幾款(kuan)較(jiao)實用的充電器(qi)電路圖(3張)

 右側給(gei)出了(le)幾款充電(dian)器(qi)(qi)電(dian)路(lu)(lu)原(yuan)理圖(tu)(tu):手機充電(dian)器(qi)(qi)電(dian)路(lu)(lu)圖(tu)(tu)、電(dian)動自行(xing)車電(dian)路(lu)(lu)圖(tu)(tu)和充電(dian)器(qi)(qi)電(dian)路(lu)(lu)圖(tu)(tu)、汽(qi)車電(dian)瓶充電(dian)器(qi)(qi)電(dian)路(lu)(lu)圖(tu)(tu)[1]。


按能源使用方式分類
  普通充電(dian)器(qi):用(yong)普通家庭(ting)用(yong)電(dian)等(deng)通過變(bian)壓器(qi)提(ti)供(gong)能源。


  蓄(xu)電(dian)(dian)(dian)池(chi)充電(dian)(dian)(dian)器:是專門針對(dui)目前市場上(shang)廣泛應用的鉛(qian)酸免維護蓄(xu)電(dian)(dian)(dian)池(chi)或蓄(xu)電(dian)(dian)(dian)池(chi)組進行(xing)充電(dian)(dian)(dian)而(er)設計,整機體積小、重(zhong)量輕、移動方便。


  太(tai)陽能(neng)充(chong)電器:利用太(tai)陽能(neng)面板收(shou)集太(tai)陽能(neng)


  無(wu)線充電器:利用(yong)電磁耦合等原理


  手搖(yao)充(chong)電器:利用人(ren)力


  干電池(chi)應急(ji)充:利用(yong)1節(jie)到幾節(jie)干電池(chi),提(ti)供應急(ji)充電,一般(ban)大(da)概能提(ti)供十幾分鐘的電能。

按使用產品的種類分類
  手機充電器


  萬能充電器


  筆記本充電器


  電動車(che)充電器(qi)


  大型充(chong)電(dian)機等


  相機充電器


  電動玩具充電器

按使用方式分類
  高級商務(wu)(wu)充(chong):商務(wu)(wu)旅行充(chong)電(dian)器(qi),充(chong)電(dian)速(su)度快而且十分安(an)全,價格較一般(ban)充(chong)電(dian)器(qi)稍高;


  座式充(chong)(chong)電(dian)(dian)器:外(wai)型(xing)獨特、新穎美觀、攜帶(dai)方(fang)便,適充(chong)(chong)容量200-3000mAH的鋰離子(zi)(LI-ION)鎳氫(NI-Mh)手機(ji)電(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian),內置智(zhi)能識別(bie)電(dian)(dian)路,能自(zi)動轉換充(chong)(chong)電(dian)(dian)器輸出極(ji)性以適用電(dian)(dian)池(chi)正負極(ji),充(chong)(chong)電(dian)(dian)效果極(ji)佳,是家居/旅行時手機(ji)的理想伴(ban)侶;


  USB充電(dian)器(qi):帶USB輸出接口,保給MP3/4、數碼相(xiang)機等(deng)充電(dian);


  線式充(chong)電(dian)器:一般手(shou)機的直充(chong);


  車載充電(dian)器(qi):以車上通用電(dian)源為供電(dian)裝置的充電(dian)器(qi)。

按原材料分類
  鎳氫鎳鎘充電器


  鋰離子電池充電器


  鉛酸電池充電器(qi)

按級別分類
  軍品級充(chong)電器(工業充(chong)電器)


  民用級充電器(qi)


編輯本段組成部分
  1、金屬外殼(ke)


  2、輸入線、輸出(chu)線


  3、柔性線路板、電子元器件(jian)(電容、CPU、單片機(ji)、MOS管(guan)、三極管(guan)、開關管(guan))


編輯本段使用方法
  一(yi)、充(chong)電常識


  充(chong)(chong)(chong)電(dian)(dian)是(shi)使用(yong)(yong)充(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)池(chi)的(de)重要步驟。適(shi)當合理的(de)充(chong)(chong)(chong)電(dian)(dian)對(dui)延長電(dian)(dian)池(chi)壽命很有(you)好處,而野蠻(man)胡亂(luan)充(chong)(chong)(chong)電(dian)(dian)將會對(dui)電(dian)(dian)池(chi)壽命有(you)很大影響。鋰電(dian)(dian)池(chi)基本都是(shi)根(gen)據各個(ge)(ge)產品(pin)單獨封裝,互不通(tong)用(yong)(yong)的(de),因(yin)此各個(ge)(ge)產品(pin)也提供各自(zi)的(de)充(chong)(chong)(chong)電(dian)(dian)設備,互不通(tong)用(yong)(yong),在(zai)使用(yong)(yong)時只要遵(zun)循各自(zi)的(de)說明(ming)書使用(yong)(yong)即可。所以本篇對(dui)電(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)的(de)介(jie)紹主(zhu)要是(shi)指鎳鎘電(dian)(dian)池(chi)和鎳氫電(dian)(dian)池(chi)。對(dui)鎳隔(ge)電(dian)(dian)池(chi)和鎳氫電(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian)有(you)兩(liang)種方式(shi),就是(shi)我們(men)大家所熟(shu)知(zhi)的(de)“快(kuai)充(chong)(chong)(chong)”和“慢充(chong)(chong)(chong)”。快(kuai)充(chong)(chong)(chong)和慢充(chong)(chong)(chong)是(shi)充(chong)(chong)(chong)電(dian)(dian)的(de)一個(ge)(ge)重要概念,只有(you)了解(jie)了快(kuai)充(chong)(chong)(chong)和慢充(chong)(chong)(chong)才能正確掌握充(chong)(chong)(chong)電(dian)(dian)。


  首先,快(kuai)充(chong)(chong)(chong)(chong)和慢(man)(man)充(chong)(chong)(chong)(chong)是(shi)(shi)個(ge)相對(dui)的(de)概(gai)念(nian)。有人(ren)曾(ceng)問,充(chong)(chong)(chong)(chong)電器充(chong)(chong)(chong)(chong)電電流有200mA,是(shi)(shi)不是(shi)(shi)快(kuai)充(chong)(chong)(chong)(chong)?這個(ge)答案并(bing)不絕對(dui),應該回(hui)答對(dui)于(yu)某些電池來說(shuo)(shuo),它是(shi)(shi)快(kuai)充(chong)(chong)(chong)(chong),而對(dui)于(yu)某些電池來說(shuo)(shuo),它只是(shi)(shi)慢(man)(man)充(chong)(chong)(chong)(chong)。那我們究(jiu)竟怎(zen)樣來判別快(kuai)充(chong)(chong)(chong)(chong)還是(shi)(shi)慢(man)(man)充(chong)(chong)(chong)(chong)呢(ni)?


  例如一節5號鎳氫電(dian)(dian)池(chi)(chi)(chi)的電(dian)(dian)容量為1200mAH,而(er)另一節則為1600mAH。把(ba)一節電(dian)(dian)池(chi)(chi)(chi)的電(dian)(dian)容量稱為1C,可見1C只是一個邏輯概(gai)念,同樣的1C,并不相等。在充(chong)(chong)(chong)(chong)電(dian)(dian)時,充(chong)(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流(liu)(liu)小于(yu)0.1C時,稱為涓流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)。顧名思義,是指電(dian)(dian)流(liu)(liu)很小。一般而(er)言(yan),涓流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)能夠把(ba)電(dian)(dian)池(chi)(chi)(chi)充(chong)(chong)(chong)(chong)的很足,而(er)不傷害電(dian)(dian)池(chi)(chi)(chi)壽命,但用(yong)(yong)涓流(liu)(liu)充(chong)(chong)(chong)(chong)電(dian)(dian)所(suo)花的時間實在太長,因此很少(shao)單(dan)獨(du)使用(yong)(yong),而(er)是和其它充(chong)(chong)(chong)(chong)電(dian)(dian)方式(shi)結(jie)合使用(yong)(yong)。


  充(chong)電(dian)電(dian)流(liu)(liu)在0.1C-0.2C之間時,稱為慢速(su)充(chong)電(dian)。充(chong)電(dian)電(dian)流(liu)(liu)大于0.2C,小于0.8C則是快速(su)充(chong)電(dian)。而當(dang)充(chong)電(dian)電(dian)流(liu)(liu)大于0.8C時,稱之為超高速(su)充(chong)電(dian)。


  正因為1C是個邏(luo)輯概念而非絕(jue)對(dui)(dui)值,因此根據1C折算的快充慢充也是一個相對(dui)(dui)值。前面例子中提到(dao)的200mA充電(dian)電(dian)流對(dui)(dui)于(yu)1200mAH的電(dian)池來說是慢充,而對(dui)(dui)于(yu)700mAH的電(dian)池來說就是快充。


  放電說明


編輯本段注意事項
  充(chong)電(dian)電(dian)池(chi)的記憶(yi)效(xiao)應(ying)(ying),當(dang)記憶(yi)效(xiao)應(ying)(ying)逐漸累積,會使電(dian)池(chi)的實際使用容量大幅下降。要減輕記憶(yi)效(xiao)應(ying)(ying)所帶(dai)來的負作(zuo)用,一(yi)個(ge)有效(xiao)的方法(fa)就是放(fang)電(dian)。一(yi)般來講由于鎳鎘電(dian)池(chi)的記憶(yi)效(xiao)應(ying)(ying)比(bi)較明顯,建(jian)議(yi)在(zai)反(fan)復(fu)充(chong)電(dian)使用5-10次(ci)(ci)后就作(zuo)一(yi)次(ci)(ci)放(fang)電(dian),而鎳氫電(dian)池(chi)的記憶(yi)效(xiao)應(ying)(ying)不太(tai)明顯,可以在(zai)反(fan)復(fu)充(chong)電(dian)使用20-30次(ci)(ci)后作(zuo)一(yi)次(ci)(ci)放(fang)電(dian)。在(zai)市(shi)場上銷售的一(yi)些高檔充(chong)電(dian)器(qi)自身帶(dai)有放(fang)電(dian)功(gong)能,但絕大部分的中(zhong)低檔充(chong)電(dian)器(qi)是沒有放(fang)電(dian)功(gong)能的,這(zhe)時該怎么辦呢?在(zai)了解了放(fang)電(dian)的原理后,也可以自己嘗試著對(dui)電(dian)池(chi)進行(xing)放(fang)電(dian)。


  鎳(nie)(nie)鎘(ge)電(dian)(dian)(dian)池和鎳(nie)(nie)氫電(dian)(dian)(dian)池的(de)(de)標稱電(dian)(dian)(dian)壓是1.2V,但實(shi)際(ji)上(shang),電(dian)(dian)(dian)池的(de)(de)電(dian)(dian)(dian)壓是個(ge)變(bian)化的(de)(de)值,隨著(zhu)電(dian)(dian)(dian)量(liang)是否充足,圍繞著(zhu)1.2V左(zuo)右進行(xing)波動。一(yi)般(ban)在1V-1.4V之(zhi)間波動,不同(tong)品牌(pai)的(de)(de)電(dian)(dian)(dian)池由于工藝上(shang)的(de)(de)不盡(jin)相同(tong),電(dian)(dian)(dian)壓波動范(fan)圍也不完(wan)全一(yi)致。


  對電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)進行放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)就(jiu)是采(cai)用(yong)很(hen)小的(de)(de)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流,使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓緩(huan)慢下降(jiang),下降(jiang)到(dao)0.9V-1V之間,就(jiu)應該停止放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)。不(bu)建(jian)議將(jiang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)到(dao)0.9V之下,這(zhe)樣做會造(zao)成(cheng)過(guo)(guo)度放電(dian)(dian)(dian)(dian)(dian)(dian)(dian),使電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)受(shou)到(dao)不(bu)可逆(ni)的(de)(de)傷害,上一(yi)篇曾說過(guo)(guo)的(de)(de)充電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)不(bu)適合(he)于用(yong)在家電(dian)(dian)(dian)(dian)(dian)(dian)(dian)遙控器中(zhong),就(jiu)是因為遙控器的(de)(de)使用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)流很(hen)小,長(chang)時間放在遙控器中(zhong)使用(yong)很(hen)容(rong)易造(zao)成(cheng)過(guo)(guo)度放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)經過(guo)(guo)一(yi)次正確的(de)(de)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)后,你會驚喜的(de)(de)發現電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)容(rong)量又恢復到(dao)原(yuan)來的(de)(de)水平(ping),因此(ci)當發現電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)容(rong)量有所下降(jiang)時,就(jiu)最(zui)好作一(yi)次放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)。


  自己對電(dian)池做放電(dian)有個簡便的(de)(de)方法,就(jiu)是接一個小電(dian)珠(zhu)作為(wei)負載(zai),但(dan)必須使用電(dian)表來監視電(dian)壓值的(de)(de)變(bian)化,以防過(guo)度放電(dian)。


  對于充(chong)電(dian)器(qi)(qi)(qi)的(de)(de)選擇,究(jiu)竟是選擇快速(su)充(chong)電(dian)器(qi)(qi)(qi)還(huan)是慢速(su)恒流充(chong)電(dian)器(qi)(qi)(qi),這主要看自己(ji)使用(yong)(yong)的(de)(de)側重點。例(li)如經常(chang)外出使用(yong)(yong)數碼相(xiang)機等(deng)設(she)備的(de)(de)朋友(you),就應該(gai)選擇快速(su)充(chong)電(dian)器(qi)(qi)(qi),以(yi)滿足時間上的(de)(de)要求,甚至可以(yi)購買超高速(su)的(de)(de)充(chong)電(dian)器(qi)(qi)(qi),而只(zhi)使用(yong)(yong)隨身聽(ting)等(deng)設(she)備的(de)(de)朋友(you),恒流充(chong)電(dian)器(qi)(qi)(qi)就能滿足需(xu)要


  在掌(zhang)握了正確的(de)(de)充(chong)放電(dian)知(zhi)識(shi)后,大家(jia)一(yi)定能更好地使用(yong)自己的(de)(de)充(chong)電(dian)電(dian)池。請大家(jia)不要拘泥于快速(su)充(chong)電(dian)。


  勿(wu)將手(shou)機充(chong)電器放置于潮濕或者(zhe)高溫的(de)條件下,這樣(yang)減少手(shou)機充(chong)電器的(de)使用壽命。


  在充(chong)電(dian)器的(de)過程(cheng)中會(hui)有(you)一定的(de)發熱(re)現象,在正常的(de)室溫下,只要不(bu)超過六十(shi)攝氏(shi)度屬于(yu)正常顯示,是不(bu)會(hui)損害電(dian)池。由于(yu)手(shou)機的(de)款式和(he)充(chong)電(dian)的(de)時間(jian)不(bu)一致,這與手(shou)機的(de)充(chong)電(dian)器的(de)充(chong)電(dian)性(xing)能(neng)無(wu)關。

返回
頂部