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電池使用基本常識和術語

 1、什么是1C充電電流?
  例如一節5號鎳氫電池的電容量為1200mAH,而另一節則為1600mAH。我們把一節電池的電容量稱為1C,可見1C只是一個邏輯概念,同樣的1C并不相等,1C充電電流可以是1200mA,也可以是1600mA。
2、什么是快速充電?
充電電流大于0.2C,小于0.8C則是快速充電。
3、什么是慢速充電?
充電電流在0.1C-0.2C之間時,我們稱為慢速充電。
4、什么是涓流充電?
充電電流小于0.1C時,我們稱為涓流充電。
5、什么是超高速充電?
充電電流大于0.8C時,我們稱之為超高速充電。
6、什么是恒流充電方式?
恒流充電法是保持充電電流強度不變的充電方法。
恒流充電器通常使用慢速充電電流。 
對(dui)充(chong)(chong)電(dian)(dian)(dian)時(shi)(shi)間的(de)計(ji)(ji)算(suan)有個簡單的(de)公式(shi):Hour=1.5C/充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流。例(li)如:對(dui)1200mAH的(de)電(dian)(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)(dian),充(chong)(chong)電(dian)(dian)(dian)器的(de)充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)流為(wei)(wei)(wei)150mA,則(ze)時(shi)(shi)間為(wei)(wei)(wei) 1800mAH/150mA等于12小時(shi)(shi)。當然(ran)在很多(duo)時(shi)(shi)候并不能計(ji)(ji)算(suan)出正好(hao)的(de)時(shi)(shi)間,我們可以(yi)挑離得最近的(de)半小時(shi)(shi)以(yi)方(fang)便記時(shi)(shi)。例(li)如:充(chong)(chong)電(dian)(dian)(dian)器的(de)電(dian)(dian)(dian)流為(wei)(wei)(wei) 160mA,對(dui)1400mAH的(de)電(dian)(dian)(dian)池(chi)充(chong)(chong)電(dian)(dian)(dian),則(ze)時(shi)(shi)間為(wei)(wei)(wei)2100mAH/160mA約為(wei)(wei)(wei)13小時(shi)(shi),而(er)不用計(ji)(ji)算(suan)到分(fen)。

什么是快速自動充電方式?
  通常所使用的是余弦法充電,也就是說并非用恒定的大電流充電,而是像余弦波那樣電流強度隨之變化,這樣能緩解熱量的積聚,從而將溫度控制在一定范圍內。
8、什么是脈沖式充電法?
脈沖充電方式首先是用脈沖電流對電池充電,然后讓電池停充一段時間,如此循環。
9、大電流充電對電池壽命的影響大不大?
大電流充電對電池壽命的影響是很小的,在很多情況下我們都要用到快速充電甚至超高速充電,充電電流有時可以達到2C或更高。
大電流并不是電池殺手,真正對電池壽命產生影響的是大電流充電時產生的高熱。
10、如何解決大電流充電過程中的發熱問題(過溫保護)?
  過高的溫度對充電電池是有害的,在慢速恒流充電器中,由于是慢速充電,產生的熱量在可控制范圍內,因此并不需要采取特殊的措施。但在快速自動充電器中,采用快充電流就會產生更高的溫度。
因此目前市場上的快速自動充電器都采用了各種方法來降低充電時的溫度,通常所使用的是余弦法。一些充電器甚至加裝散熱風扇來解決發熱問題。
11、超高速充電器如何進行過熱保護?
   由于超高速充電器需要極大的充電電流,有些甚至使用了2C-3C的充電電流,其發熱問題尤為嚴重,僅僅采用余弦波充電還不夠,因此這類充電器很多都采用在一個余弦波后插入一個很短暫的放電這種方法。這種做法可以緩解由于反電勢消耗充電電流所產生的熱量積累,從而進一步控制溫度。
12、什么是-△V保護?
使用快速充電器的另一個問題是,當充電時間到了之后如果忘記停止充電,對電池的傷害要遠大于慢速恒流充電器過充產生的傷害。因此為了解決過充問題,快速充電器一般都采用了比如-△V保護等方法來判斷電池是否接近充滿,這些充電器都使用了控制電路或者IC芯片來完成這一任務。當電池接近充滿時,控制電路會自動轉入涓流充電模式,對電池進行涓流充電。采用涓流電流對電池進行充電的好處是很明顯的,其一如前所述,涓流充電能將(jiang)電池充(chong)的很滿,其(qi)次就(jiu)是不用擔心過充(chong)的問題,因此

進行充電(dian)的(de)好處(chu)是(shi)很明顯的(de),其(qi)一如前所述,涓(juan)流充電(dian)能將電(dian)池充的(de)很滿,其(qi)次就是(shi)不(bu)用擔心過充的(de)問題,因此使用這類充電(dian)器的(de)最大(da)好處(chu)就是(shi)不(bu)用再去計算時間。

  13、常見的充電控制方式有哪些? 
  為避免電池過充,需要在必要時對充電過程或在充電完成時予以控制或終止。常見的充電控制方法有以下六種: 
1)時間控制: 
通過設置一定的(de)充(chong)電(dian)(dian)時(shi)間(jian)來(lai)(lai)控制充(chong)電(dian)(dian)終點,一般(ban)按照充(chong)入120%~150%電(dian)(dian)池標(biao)稱容量(liang)所需的(de)對應時(shi)間(jian)來(lai)(lai)控制。標(biao)準充(chong)電(dian)(dian)一般(ban)采(cai)用時(shi)間(jian)控制方式(shi),比如(ru)按照IEC標(biao)準測(ce)試電(dian)(dian)池容量(liang)時(shi)即(ji)采(cai)用0.1C充(chong)電(dian)(dian)16小(xiao)時(shi)的(de)方法。

  2)-△V控制: 
  當電(dian)(dian)池充滿(man)電(dian)(dian)時,電(dian)(dian)池電(dian)(dian)壓會達到一(yi)個峰值,然后電(dian)(dian)壓會下降。當電(dian)(dian)壓下降一(yi)定的(de)值時,終止充電(dian)(dian)。

  3)峰值電壓控制: 
通(tong)過檢測電(dian)(dian)池的電(dian)(dian)壓來判斷充電(dian)(dian)的終(zhong)點,當電(dian)(dian)壓達到峰值時,終(zhong)止充電(dian)(dian)。

  4)溫度控制: 
電(dian)池在(zai)充電(dian)過程中,溫度會逐(zhu)漸升高。充滿電(dian)時(shi),電(dian)池溫度與(yu)周圍環境(jing)溫度的差(cha)值會達到最大。當差(cha)值最大時(shi)停止充電(dian)。

  5)dT/dt控制: 
通過檢測電池溫度相(xiang)對于充(chong)電時間的變化(hua)率來(lai)判斷充(chong)電的終點(dian)。

  6)TCO控制: 
當電(dian)池(chi)溫度(du)升高一定數值時停止充(chong)電(dian)。

  充電電池的種類
鎳鎘電池(Ni-Cd) 
電壓:1.2V 
使用壽命為:500次
放電溫度為:-20度~60度
充電溫(wen)度(du)為:0度(du)~45度(du)

溫度為:0度~45度
備注(zhu):耐(nai)過(guo)充能力較(jiao)強。

  鎳氫電池(Ni-Mh) 
電壓:1.2V 
使用壽命為:1000次
放電溫度為:-10度~45度
充電溫度為:10度~45度
備(bei)注:目前最(zui)高容量是(shi)2100mAh左右。

  鋰離子電池(Li-lon) 
電壓:3.6V 
使用壽命為:500次
放電溫度為:-20度~60度
充電溫度為:0度~45度
備注:重量比鎳(nie)氫電池輕30%~40%,容量高(gao)出鎳(nie)氫電池60%以上。但(dan)是不(bu)耐(nai)過充(chong),如果過充(chong)會造(zao)成溫度過高(gao)而破壞結構=>爆炸。

  鋰聚合物電池(Li-polymer) 
電壓:3.7V 
使用壽命為:500次
放電溫度為:-20度~60度
充電溫度為:0度~45度
備注:鋰電的改良型,沒有電池液,而改用(yong)聚合(he)物電解質,可以做成各種形(xing)狀,比鋰電池穩(wen)定。

  鉛酸電池(Sealed) 
電壓:2V 
使用壽命為:200~300次
放電溫度為:0度~45度
充電溫度(du)為:0度(du)~45度(du)


溫度為:0度~45度
備注:就是(shi)一(yi)般車用(yong)電瓶(ping)(它是(shi)以6個2V串聯成12V的),免加水的電池使用(yong)壽命長達(da)10年(nian),但體(ti)積(ji)和重(zhong)量是(shi)最大的。

  電池充電的名詞解釋
充電率(C-rate) 
C是Capacity的第一個字母,用來表示電池充放電時電流的大小數值。
例(li)如:充電電池的額定容量為1100mAh時(shi),即表示以1100mAh(1C)放(fang)電時(shi)間可(ke)持續1小時(shi),如以200mA(0.2C)放(fang)電時(shi)間可(ke)持續5小時(shi),充電也可(ke)按此對照計算。

  終止電壓(Cut-off discharge voltage) 
指電池放電時,電壓下降到電池不宜再繼續放電的最低工作電壓值。
根據不同(tong)的(de)(de)電(dian)(dian)(dian)池(chi)類型及不同(tong)的(de)(de)放(fang)電(dian)(dian)(dian)條(tiao)件,對電(dian)(dian)(dian)池(chi)的(de)(de)容量和(he)壽命的(de)(de)要求(qiu)也不同(tong),因此規定的(de)(de)電(dian)(dian)(dian)池(chi)放(fang)電(dian)(dian)(dian)的(de)(de)終止電(dian)(dian)(dian)壓也不相同(tong)。

  開路電壓(Open circuit voltage OCV) 
電池不放電時,電池兩極之間的電位差被稱為開路電壓。
電(dian)池的(de)開路(lu)電(dian)壓,會依電(dian)池正(zheng)、負(fu)極與電(dian)解液的(de)材料而異(yi),如果電(dian)池正(zheng)、負(fu)極的(de)材料完全一(yi)樣,那么(me)不管電(dian)池的(de)體積有多大,幾何(he)結(jie)構如何(he)變化,起開路(lu)電(dian)壓都一(yi)樣的(de)。

  放電深度(Depth of discharge DOD) 
  在電池使用過程中,電池放出的容量占其額定容量的百分比,稱為放電深度。
放(fang)(fang)電(dian)(dian)深度(du)的(de)高(gao)低和二(er)次電(dian)(dian)池的(de)充(chong)電(dian)(dian)壽命有很(hen)深的(de)關(guan)系,當二(er)次電(dian)(dian)池的(de)放(fang)(fang)電(dian)(dian)深度(du)越(yue)深,其(qi)充(chong)電(dian)(dian)壽命就(jiu)越(yue)短,因此在使用時應(ying)盡量避免深度(du)放(fang)(fang)電(dian)(dian)。

  過放電(Over discharge) 
電(dian)池(chi)若(ruo)是(shi)在(zai)放(fang)電(dian)過程中(zhong),超過電(dian)池(chi)放(fang)電(dian)的終止電(dian)壓值,還繼續放(fang)電(dian)時就可能會造(zao)成電(dian)池(chi)內壓升高,正(zheng)、負極(ji)活性物質(zhi)的可逆性遭到損壞,使電(dian)池(chi)的容量產生明(ming)顯減(jian)少。

  過充電(Over charge) 
  電池(chi)在(zai)充電時(shi),在(zai)達到充滿狀態后(hou),若還繼續(xu)充電,可能導致電池(chi)內壓升高(gao)、電池(chi)變形(xing)、漏(lou)夜等(deng)情況發生,電池(chi)的性能也(ye)會顯著(zhu)降低(di)和損壞。

  能量密度(Energy density) 
電池的平均單位體積或質量所釋放出的電能。
一般(ban)在相(xiang)同(tong)體積下(xia),鋰(li)離(li)子(zi)(zi)電池(chi)(chi)的(de)(de)能(neng)量密度是鎳鎘電池(chi)(chi)的(de)(de)2.5倍,是鎳氫(qing)電池(chi)(chi)的(de)(de)1.8倍,因(yin)此(ci)在電池(chi)(chi)容量相(xiang)等(deng)的(de)(de)情(qing)況下(xia),鋰(li)離(li)子(zi)(zi)電池(chi)(chi)就會比鎳鎘、鎳氫(qing)電池(chi)(chi)的(de)(de)體積更(geng)小,重量更(geng)輕。

  自我放電(Self discharge) 
電池不管在有無被使用的狀態下,由于各種原因,都會引起其電量損失的現象。
若是以一個(ge)月為單位來(lai)計算的話,鋰離子電(dian)(dian)池(chi)自(zi)我(wo)放電(dian)(dian)約是1%-2%、鎳氫電(dian)(dian)池(chi)自(zi)我(wo)放電(dian)(dian)約3%-5%。

  充電循環壽命(Cycle life) 
  充電(dian)電(dian)池(chi)在(zai)反(fan)復充放(fang)電(dian)使用(yong)下,電(dian)池(chi)容(rong)量(liang)(liang)回逐(zhu)漸下降到初期容(rong)量(liang)(liang)的60%-80%。

  記憶效應(Memory effect) 
在電(dian)池(chi)充放(fang)電(dian)過(guo)程中(zhong),會在電(dian)池(chi)極板上(shang)產生許多小(xiao)氣(qi)泡(pao),時間一(yi)久(jiu),這些(xie)氣(qi)泡(pao)會減(jian)少(shao)電(dian)池(chi)極板的面積,也(ye)間接(jie)影響(xiang)電(dian)池(chi)的容量。

  充電電池的充放電的基本要求
 新買的充電電池要充電8-12小時?

  不(bu)論任(ren)何(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)都有(you)自我放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)特性,所以(yi)當(dang)(dang)新充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)到(dao)你(ni)手中時(shi)(shi)(shi)(shi),這中間(jian)(jian)可(ke)能(neng)(neng)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)已(yi)經(jing)經(jing)過(guo)了一(yi)段時(shi)(shi)(shi)(shi)間(jian)(jian)的(de)(de)(de)自我放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)了。這就是充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)內(nei)部的(de)(de)(de)化(hua)(hua)學(xue)原(yuan)(yuan)料已(yi)經(jing)歷一(yi)段時(shi)(shi)(shi)(shi)間(jian)(jian)沒有(you)使(shi)用,出現“鈍化(hua)(hua)”狀態(tai),無法(fa)充(chong)分發揮化(hua)(hua)學(xue)反應,提(ti)供(gong)足(zu)夠的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓。在(zai)(zai)這種(zhong)情況下,第一(yi)次使(shi)用充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)時(shi)(shi)(shi)(shi),一(yi)定要(yao)將充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)充(chong)滿,讓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓恢復到(dao)原(yuan)(yuan)有(you)的(de)(de)(de)水平。事實上,如(ru)果(guo)(guo)你(ni)的(de)(de)(de)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)長時(shi)(shi)(shi)(shi)間(jian)(jian)沒有(you)使(shi)用,也(ye)一(yi)樣會產生(sheng)這種(zhong)“鈍化(hua)(hua)”現象,而(er)且情況會更嚴(yan)重(zhong)。最好(hao)能(neng)(neng)對充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)進行3次充(chong)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)過(guo) 程,將有(you)助充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)的(de)(de)(de)活化(hua)(hua)作用。讓充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)內(nei)部的(de)(de)(de)化(hua)(hua)學(xue)物質(zhi)可(ke)以(yi)充(chong)分發揮應有(you)的(de)(de)(de)效(xiao)果(guo)(guo)(鎳(nie)鎘電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi))。有(you)時(shi)(shi)(shi)(shi)新購買的(de)(de)(de)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi),放(fang)進充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)(de)時(shi)(shi)(shi)(shi)候,會在(zai)(zai)還沒充(chong)飽電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)之前充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)就停止充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)了。當(dang)(dang)遇(yu)見這種(zhong)問(wen)題(ti)的(de)(de)(de)時(shi)(shi)(shi)(shi)候,你(ni)只要(yao)將充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)移開(kai)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi),然后在(zai)(zai)放(fang)進充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)繼(ji)續充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。這對于新充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)是很正常的(de)(de)(de)現象,不(bu)是你(ni)購買到(dao)不(bu)良的(de)(de)(de)充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)(鎳(nie)氫(qing)、鋰(li)離子電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi))。一(yi)般(ban)來說對充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)時(shi)(shi)(shi)(shi)間(jian)(jian)不(bu)能(neng)(neng)太久,最多(duo)12小時(shi)(shi)(shi)(shi)就足(zu)夠,如(ru)果(guo)(guo)一(yi)旦過(guo)度充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)就會對充(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(chi)造成損(sun)壞。

  如何計算充電時間?
充電時間(小時)=充電電池容量(mAh)/充電電流(mA)*1.5的系數
假如你用(yong)1600mAh的充電(dian)電(dian)池,充電(dian)器用(yong)400mA的電(dian)流充電(dian),則充電(dian)時間為:1600/400*1.5=6小時(注意:這種方法不適用(yong)新購(gou)買或長期未使用(yong)的充電(dian)電(dian)池)

  鎳氫充電電池和鋰離子充電電池其實也是有記憶效應,使用起來真的不用放電嗎?
其實上鎳氫充電電池和鋰離子充電電池的記憶效應是十分輕微的,并不值得我們去注意它。
(請注(zhu)意看(kan)到(dao)這(zhe)里時,就不要利用充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器的(de)(de)(de)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)功能對(dui)鎳(nie)氫充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池和鋰離(li)子充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池進(jin)行放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)動(dong)作,尤其是(shi)(shi)鋰離(li)子充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池,由于本身(shen)的(de)(de)(de)材質因(yin)數(shu),并(bing)不允許電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池本身(shen)能夠(gou)承受充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)器的(de)(de)(de)強制放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)。如(ru)果你(ni)硬要對(dui)鋰離(li)子充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池進(jin)行放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian),最(zui)終將(jiang)導致電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池損(sun)壞。)另外,你(ni)使用需放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)鎳(nie)鎘(ge)充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池,那么建議你(ni),不論使用電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池的(de)(de)(de)次數(shu)是(shi)(shi)否頻(pin)繁,最(zui)好每隔兩、三個(ge)月(yue)左(zuo)右就對(dui)鎳(nie)鎘(ge)充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池進(jin)行一(yi)次充(chong)(chong)(chong)(chong)(chong)(chong)放(fang)電(dian)(dian)(dian)(dian)(dian)(dian)(dian),這(zhe)樣可以確保鎳(nie)鎘(ge)充(chong)(chong)(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池的(de)(de)(de)記(ji)憶(yi)效應對(dui)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)池的(de)(de)(de)影響減到(dao)最(zui)低(di)狀態。

電(dian)機、漿(jiang)、電(dian)池、機型的相(xiang)互關(guan)系

電(dian)機KV值(zhi):電(dian)機的轉(zhuan)速(空(kong)載)=KV值(zhi)X電(dian)壓(ya);例如KV1000的電(dian)機在10V電(dian)壓(ya)下它的轉(zhuan)速(空(kong)載)就是10000轉(zhuan)/分(fen)鐘。

電機的KV值越高,提(ti)供(gong)出來的扭力就(jiu)越小(xiao)。所以,KV值的大小(xiao)就(jiu)與漿(jiang)有著密切的關系,以下就(jiu)這點提(ti)供(gong)一下配(pei)漿(jiang)經驗:

一般電機與漿是這樣配的:
3S電池下;KV900-1000的電機配1060或1047漿,9寸漿也可
KV1200-1400配9050(9寸漿)至8*6漿
KV1600-1800左右的7寸至6寸漿
KV2200-2800左右的5寸漿
KV3000-3500左(zuo)右的(de)4530漿

2S電池下;KV1300-1500左右用9050漿
KV1800左右用7060漿
KV2500-3000左右用5X3漿
KV3200-4000左(zuo)右用4530漿

漿的大小與電流關系:因為漿相對越大在產生推力的效率就越高
例如:同用3S電池,電流同樣是10安(假設)
用KV1000配1060漿與 KV3000配4530漿它們分別產生的(de)推(tui)力(li)前者是后者的(de)兩倍。

機型(xing)與(yu)電(dian)機、漿的關系:

一般來(lai)說:漿越大對飛機所(suo)產(chan)生的反(fan)扭力越大,所(suo)以(yi)漿的大小與機的翼展(zhan)大小有(you)著一定關系(xi),但漿與電機也(ye)有(you)著上面所(suo)講的關系(xi)。

例如用(yong)1060漿(jiang),機的翼(yi)展就(jiu)(jiu)得要在80CM以上(shang)為合適,不然的話機就(jiu)(jiu)容易造(zao)成反扭;又(you)如用(yong)8*6的漿(jiang)翼(yi)展就(jiu)(jiu)得在60以上(shang)。

再比如(ru):用4530漿做(zuo)翼展1米(mi)以上機行否? 是可以,但飛(fei)(fei)機飛(fei)(fei)起來會很耗電(dian),因為翼展大(da)(da)飛(fei)(fei)行的阻力(li)大(da)(da),而4530漿產生的推力(li)相對(dui)情(qing)況(kuang)下小(上面漿的大(da)(da)小與(yu)電(dian)流關系有講到)。

所以(yi)模(mo)友在選擇(ze)玩什么機(ji)(ji)(ji)型的時候(hou)就要(yao)注(zhu)意這4者(zhe)的關(guan)系,尤(you)其(qi)是新(xin)手選擇(ze)機(ji)(ji)(ji)型,一定要(yao)看這機(ji)(ji)(ji)型翼展大小選擇(ze)配電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)、漿、電(dian)(dian)(dian)(dian)(dian)池,特別要(yao)注(zhu)意的是,不能用(yong)大漿配高KV的電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji),否則燒電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)(ji)還影響了電(dian)(dian)(dian)(dian)(dian)池,有可能連電(dian)(dian)(dian)(dian)(dian)調也(ye)燒掉。

另外(wai),有(you)些(xie)模友(you)誤認為,電機的推力(li)(li)越(yue)大,飛機就能更(geng)(geng)加(jia)克服阻力(li)(li)飛得更(geng)(geng)快,這個問題就留給有(you)興(xing)趣的模友(you)去討論(lun)一(yi)下了。

1060漿,10代表長的直徑是10寸,60表示漿角(螺距).
前兩位數表示直徑,后兩位表示螺距。
電池的放電能力,最大持續電流是:容量X放電C數
例如:1500MA,10C, 則最大的持續電流就是=1.5X10=15安
如果該電(dian)池(chi)長時間(jian)超過15安或以(yi)上電(dian)流工作,那么電(dian)池(chi)的壽命(ming)會變短、還有電(dian)池(chi)的充滿電(dian)壓單片4.15-4.20合適,用后的最(zui)低電(dian)壓為(wei)單片3.7以(yi)上(切(qie)記不要過放),長期不用的保存電(dian)壓最(zui)好為(wei)3.9。

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