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。充電器在各個領域用(yong)途廣(guang)(guang)泛,特別是在生(sheng)活領域被(bei)廣(guang)(guang)泛用(yong)于手機、相機等等常見(jian)電器(qi)。充電器(qi)是采用(yong)電力電子半(ban)導體器(qi)件,將電壓(ya)和頻率固定不變(bian)(bian)的(de)交流電變(bian)(bian)換為直流電的(de)一種靜止(zhi)變(bian)(bian)流裝置。在以(yi)蓄電池(chi)為工(gong)作電源或(huo)備用(yong)電源的(de)用(yong)電場(chang)合,充電器(qi)具(ju)有廣(guang)(guang)泛的(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。
用充電器給(gei)電池(chi)充電時,一(yi)定要按電池(chi)的充電說明書選用合(he)適規格的充電器,并(bing)正確連接。否則會(hui)出現用電器損壞或安全事(shi)故(gu),建議(yi)選用智能(neng)型充電器,因(yin)為其(qi)保護完善。一(yi)般不(bu)會(hui)出現事(shi)故(gu)。
工作(zuo)原理 所有(you)手機充電器其實都是(shi)(shi)由一(yi)個穩定電源(yuan)(主要是(shi)(shi)穩壓(ya)電源(yuan)、提供穩定工作(zuo)電壓(ya)和足(zu)夠的(de)電流)加上必要的(de)恒流、限壓(ya)、限時(shi)等控制電路構(gou)成(cheng)。
原(yuan)裝充電器(指線充)上所標注的(de)輸(shu)出參(can)(can)數:比如(ru)輸(shu)出4。4V/1A、輸(shu)出5.9V/400mA……就是指內部(bu)穩壓電源的(de)相關(guan)參(can)(can)數。明白(bai)了這個道(dao)理,你很(hen)會知(zhi)道(dao)一個(品質(zhi)好的(de))手機充電器很(hen)容易改(gai)成一個質(zhi)量優良的(de)穩壓電源! 比如(ru)輸(shu)出4.4V可以(yi)給(gei)4.5V的(de)設備用,5.9V的(de)可以(yi)給(gei)6V的(de)設備用.
右側給出了幾款充(chong)(chong)電(dian)器電(dian)路原理圖(tu):手機充(chong)(chong)電(dian)器電(dian)路圖(tu)、電(dian)動自行(xing)車電(dian)路圖(tu)和充(chong)(chong)電(dian)器電(dian)路圖(tu)、汽(qi)車電(dian)瓶(ping)充(chong)(chong)電(dian)器電(dian)路圖(tu)[1]。
按能源使用方式分類
普通充電器:用普通家庭用電等通過變壓(ya)器提供能源。
蓄(xu)電池(chi)充電器:是專門針對目前(qian)市場上廣泛應(ying)用的鉛酸免維護蓄(xu)電池(chi)或(huo)蓄(xu)電池(chi)組進行(xing)充電而(er)設計,整機體(ti)積小、重量輕、移動方便。
太陽能(neng)(neng)充電器:利用太陽能(neng)(neng)面板收集太陽能(neng)(neng)
無線充電器(qi):利用電磁耦合等原理
手搖充電器:利用人力(li)
干電池(chi)應急(ji)充(chong):利用1節(jie)到(dao)幾節(jie)干電池(chi),提(ti)供應急(ji)充(chong)電,一般大概能提(ti)供十幾分鐘(zhong)的(de)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(dian)器
電動車充電器
大型(xing)充(chong)電機等
相機充電器
電動玩具充電器(qi)
按使用方式分類
高級商務充(chong):商務旅(lv)行充(chong)電(dian)器,充(chong)電(dian)速度(du)快而(er)且十分安(an)全,價(jia)格較一般充(chong)電(dian)器稍高;
座式充(chong)(chong)電(dian)(dian)器:外(wai)型獨特、新穎美觀、攜帶方便,適充(chong)(chong)容(rong)量(liang)200-3000mAH的鋰離子(LI-ION)鎳(nie)氫(NI-Mh)手機(ji)電(dian)(dian)池充(chong)(chong)電(dian)(dian),內置智能識別電(dian)(dian)路,能自動轉換充(chong)(chong)電(dian)(dian)器輸出極性以適用(yong)電(dian)(dian)池正(zheng)負極,充(chong)(chong)電(dian)(dian)效果極佳,是家居/旅行(xing)時(shi)手機(ji)的理想(xiang)伴侶;
USB充(chong)電(dian)器(qi):帶(dai)USB輸出接口(kou),保給(gei)MP3/4、數碼相機等充(chong)電(dian);
線(xian)式充電器:一般手機的直充;
車載充電(dian)器(qi):以車上通用(yong)電(dian)源為供電(dian)裝置(zhi)的充電(dian)器(qi)。
按原材料分類
鎳氫鎳鎘充(chong)電器
鋰(li)離子電(dian)池充電(dian)器
鉛酸電池充電器
按級別分類
軍品(pin)級(ji)充(chong)電器(qi)(工(gong)業充(chong)電器(qi))
民用級充(chong)電器
編輯本段組成部分
1、金屬(shu)外殼
2、輸入線、輸出(chu)線
3、柔性線路(lu)板、電子元器件(電容、CPU、單片(pian)機(ji)、MOS管(guan)、三極(ji)管(guan)、開(kai)關管(guan))
編輯本段使用方法
一(yi)、充電常識
充(chong)(chong)電(dian)(dian)(dian)是使用充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi)(chi)的(de)重要步驟。適當合理(li)的(de)充(chong)(chong)電(dian)(dian)(dian)對(dui)延長電(dian)(dian)(dian)池(chi)(chi)壽(shou)命很(hen)有(you)好(hao)處,而(er)野蠻(man)胡亂充(chong)(chong)電(dian)(dian)(dian)將會對(dui)電(dian)(dian)(dian)池(chi)(chi)壽(shou)命有(you)很(hen)大(da)影響。鋰電(dian)(dian)(dian)池(chi)(chi)基本(ben)都是根據(ju)各(ge)個產品單獨封裝,互不通用的(de),因此各(ge)個產品也提供各(ge)自的(de)充(chong)(chong)電(dian)(dian)(dian)設備,互不通用,在(zai)使用時只(zhi)要遵循各(ge)自的(de)說明書使用即可。所(suo)以本(ben)篇對(dui)電(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)電(dian)(dian)(dian)的(de)介紹主要是指鎳鎘(ge)電(dian)(dian)(dian)池(chi)(chi)和(he)鎳氫電(dian)(dian)(dian)池(chi)(chi)。對(dui)鎳隔電(dian)(dian)(dian)池(chi)(chi)和(he)鎳氫電(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)電(dian)(dian)(dian)有(you)兩種方式,就是我們大(da)家(jia)所(suo)熟知的(de)“快充(chong)(chong)”和(he)“慢充(chong)(chong)”。快充(chong)(chong)和(he)慢充(chong)(chong)是充(chong)(chong)電(dian)(dian)(dian)的(de)一個重要概念(nian),只(zhi)有(you)了解了快充(chong)(chong)和(he)慢充(chong)(chong)才能正確掌握充(chong)(chong)電(dian)(dian)(dian)。
首先,快充(chong)和(he)慢(man)充(chong)是(shi)(shi)個相對(dui)的概念。有(you)人曾問,充(chong)電(dian)器充(chong)電(dian)電(dian)流有(you)200mA,是(shi)(shi)不(bu)是(shi)(shi)快充(chong)?這個答(da)案并不(bu)絕對(dui),應該回(hui)答(da)對(dui)于某些(xie)電(dian)池來說,它是(shi)(shi)快充(chong),而(er)對(dui)于某些(xie)電(dian)池來說,它只是(shi)(shi)慢(man)充(chong)。那我們究竟怎樣來判別快充(chong)還是(shi)(shi)慢(man)充(chong)呢?
例如(ru)一(yi)節5號鎳氫(qing)電(dian)(dian)(dian)(dian)(dian)池的電(dian)(dian)(dian)(dian)(dian)容量(liang)為1200mAH,而另一(yi)節則為1600mAH。把一(yi)節電(dian)(dian)(dian)(dian)(dian)池的電(dian)(dian)(dian)(dian)(dian)容量(liang)稱(cheng)為1C,可見1C只是(shi)(shi)一(yi)個(ge)邏輯概(gai)念,同樣(yang)的1C,并(bing)不相等。在(zai)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)時(shi),充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)小于0.1C時(shi),稱(cheng)為涓(juan)流(liu)(liu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)。顧名思義,是(shi)(shi)指電(dian)(dian)(dian)(dian)(dian)流(liu)(liu)很(hen)(hen)小。一(yi)般(ban)而言,涓(juan)流(liu)(liu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)能(neng)夠把電(dian)(dian)(dian)(dian)(dian)池充(chong)(chong)的很(hen)(hen)足,而不傷害電(dian)(dian)(dian)(dian)(dian)池壽命(ming),但用涓(juan)流(liu)(liu)充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)所花的時(shi)間實在(zai)太長,因此很(hen)(hen)少單獨使用,而是(shi)(shi)和其(qi)它充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)方式(shi)結合使用。
充(chong)電(dian)(dian)電(dian)(dian)流在0.1C-0.2C之(zhi)間時,稱為(wei)慢速(su)充(chong)電(dian)(dian)。充(chong)電(dian)(dian)電(dian)(dian)流大于(yu)0.2C,小于(yu)0.8C則是快速(su)充(chong)電(dian)(dian)。而當充(chong)電(dian)(dian)電(dian)(dian)流大于(yu)0.8C時,稱之(zhi)為(wei)超高速(su)充(chong)電(dian)(dian)。
正因(yin)為1C是個邏輯概念(nian)而(er)非絕對(dui)值(zhi),因(yin)此(ci)根據1C折(zhe)算的(de)(de)快充慢充也是一個相對(dui)值(zhi)。前面例子中提到的(de)(de)200mA充電電流對(dui)于1200mAH的(de)(de)電池(chi)(chi)來(lai)說(shuo)是慢充,而(er)對(dui)于700mAH的(de)(de)電池(chi)(chi)來(lai)說(shuo)就(jiu)是快充。
放電說明
編輯本段注意事項
充電(dian)電(dian)池(chi)(chi)(chi)的記(ji)(ji)憶效(xiao)(xiao)(xiao)應,當記(ji)(ji)憶效(xiao)(xiao)(xiao)應逐漸累(lei)積,會(hui)使(shi)電(dian)池(chi)(chi)(chi)的實際使(shi)用(yong)容量大(da)幅下(xia)降(jiang)。要減輕記(ji)(ji)憶效(xiao)(xiao)(xiao)應所帶來的負(fu)作(zuo)用(yong),一(yi)個有效(xiao)(xiao)(xiao)的方法就(jiu)是放(fang)電(dian)。一(yi)般來講由于鎳鎘電(dian)池(chi)(chi)(chi)的記(ji)(ji)憶效(xiao)(xiao)(xiao)應比較明顯(xian),建議在(zai)反(fan)(fan)復(fu)充電(dian)使(shi)用(yong)5-10次(ci)后就(jiu)作(zuo)一(yi)次(ci)放(fang)電(dian),而(er)鎳氫電(dian)池(chi)(chi)(chi)的記(ji)(ji)憶效(xiao)(xiao)(xiao)應不(bu)太明顯(xian),可以(yi)在(zai)反(fan)(fan)復(fu)充電(dian)使(shi)用(yong)20-30次(ci)后作(zuo)一(yi)次(ci)放(fang)電(dian)。在(zai)市場上銷售(shou)的一(yi)些高(gao)檔充電(dian)器自身帶有放(fang)電(dian)功能,但絕(jue)大(da)部分的中低(di)檔充電(dian)器是沒有放(fang)電(dian)功能的,這時該(gai)怎么辦呢?在(zai)了解(jie)了放(fang)電(dian)的原理(li)后,也可以(yi)自己嘗(chang)試(shi)著對電(dian)池(chi)(chi)(chi)進行放(fang)電(dian)。
鎳鎘電(dian)池(chi)(chi)和(he)鎳氫電(dian)池(chi)(chi)的(de)標稱電(dian)壓是1.2V,但實際上,電(dian)池(chi)(chi)的(de)電(dian)壓是個變化(hua)的(de)值,隨著(zhu)電(dian)量是否充(chong)足,圍(wei)繞(rao)著(zhu)1.2V左(zuo)右進行波動。一般在1V-1.4V之間波動,不同品牌的(de)電(dian)池(chi)(chi)由于工藝(yi)上的(de)不盡(jin)相同,電(dian)壓波動范圍(wei)也(ye)不完全(quan)一致。
對電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)進行放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)就(jiu)(jiu)是采用(yong)很(hen)小(xiao)的(de)(de)(de)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu),使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)壓緩慢下降,下降到0.9V-1V之(zhi)間,就(jiu)(jiu)應該(gai)停止放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)。不建議將電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)到0.9V之(zhi)下,這(zhe)樣做會造成過度放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian),使(shi)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)受到不可(ke)逆的(de)(de)(de)傷害,上(shang)一(yi)篇曾說過的(de)(de)(de)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)不適合于用(yong)在家電(dian)(dian)(dian)(dian)(dian)(dian)遙控器(qi)中(zhong),就(jiu)(jiu)是因(yin)為遙控器(qi)的(de)(de)(de)使(shi)用(yong)電(dian)(dian)(dian)(dian)(dian)(dian)流(liu)很(hen)小(xiao),長時(shi)間放(fang)(fang)(fang)在遙控器(qi)中(zhong)使(shi)用(yong)很(hen)容易(yi)造成過度放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)。電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)經過一(yi)次正確的(de)(de)(de)放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)后,你會驚喜的(de)(de)(de)發現(xian)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)容量又恢復到原(yuan)來的(de)(de)(de)水平,因(yin)此當發現(xian)電(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)容量有所下降時(shi),就(jiu)(jiu)最好作(zuo)一(yi)次放(fang)(fang)(fang)電(dian)(dian)(dian)(dian)(dian)(dian)。
自(zi)己(ji)對電(dian)(dian)池做放電(dian)(dian)有個簡便的(de)方法(fa),就(jiu)是接一個小電(dian)(dian)珠作(zuo)為(wei)負載,但必須(xu)使(shi)用電(dian)(dian)表來監視電(dian)(dian)壓值(zhi)的(de)變化,以防過度(du)放電(dian)(dian)。
對(dui)于充(chong)(chong)電器(qi)(qi)的選(xuan)擇,究(jiu)竟是(shi)選(xuan)擇快(kuai)速充(chong)(chong)電器(qi)(qi)還是(shi)慢速恒流(liu)充(chong)(chong)電器(qi)(qi),這主要(yao)看自己使(shi)用的側重點。例如(ru)經常外出使(shi)用數碼(ma)相(xiang)機等(deng)設備的朋友,就應該選(xuan)擇快(kuai)速充(chong)(chong)電器(qi)(qi),以(yi)(yi)滿(man)足時間上的要(yao)求(qiu),甚至(zhi)可以(yi)(yi)購買超高(gao)速的充(chong)(chong)電器(qi)(qi),而只使(shi)用隨(sui)身聽等(deng)設備的朋友,恒流(liu)充(chong)(chong)電器(qi)(qi)就能滿(man)足需要(yao)
在掌(zhang)握(wo)了正確的(de)充放電(dian)知識后(hou),大家(jia)一定能更好地使用(yong)自己的(de)充電(dian)電(dian)池(chi)。請大家(jia)不要拘泥于快速充電(dian)。
勿將手(shou)機充電器放(fang)置于潮濕(shi)或者高(gao)溫的(de)條件下(xia),這樣減少手(shou)機充電器的(de)使用壽命。
在(zai)充(chong)電器的過程中會有一(yi)定的發熱現象,在(zai)正常(chang)的室溫下,只要不(bu)超過六十攝氏度屬于正常(chang)顯示,是(shi)不(bu)會損(sun)害電池。由于手機(ji)的款式和(he)充(chong)電的時間不(bu)一(yi)致,這與(yu)手機(ji)的充(chong)電器的充(chong)電性(xing)能無關。