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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。 
對充(chong)(chong)(chong)電(dian)(dian)時(shi)(shi)(shi)間的(de)計算有個簡單(dan)的(de)公式:Hour=1.5C/充(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流。例如:對1200mAH的(de)電(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian),充(chong)(chong)(chong)電(dian)(dian)器(qi)的(de)充(chong)(chong)(chong)電(dian)(dian)電(dian)(dian)流為(wei)(wei)150mA,則時(shi)(shi)(shi)間為(wei)(wei) 1800mAH/150mA等于12小(xiao)時(shi)(shi)(shi)。當然在很(hen)多時(shi)(shi)(shi)候(hou)并不能計算出正好(hao)的(de)時(shi)(shi)(shi)間,我(wo)們可以挑離得最(zui)近的(de)半小(xiao)時(shi)(shi)(shi)以方便記時(shi)(shi)(shi)。例如:充(chong)(chong)(chong)電(dian)(dian)器(qi)的(de)電(dian)(dian)流為(wei)(wei) 160mA,對1400mAH的(de)電(dian)(dian)池(chi)充(chong)(chong)(chong)電(dian)(dian),則時(shi)(shi)(shi)間為(wei)(wei)2100mAH/160mA約為(wei)(wei)13小(xiao)時(shi)(shi)(shi),而不用計算到分(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(neng)將電池充的很滿(man),其次就是不用擔心過充的問題,因此

進(jin)行充電(dian)的好處是(shi)(shi)很明顯的,其一如前所述,涓流充電(dian)能將電(dian)池(chi)充的很滿,其次就(jiu)是(shi)(shi)不用擔心過(guo)充的問題,因此(ci)使用這類充電(dian)器的最大好處就(jiu)是(shi)(shi)不用再去計算時(shi)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(tong)過設置(zhi)一定的充電時間(jian)(jian)來控(kong)(kong)制(zhi)充電終點,一般按照(zhao)充入(ru)120%~150%電池(chi)標稱容量所(suo)需的對應時間(jian)(jian)來控(kong)(kong)制(zhi)。標準(zhun)充電一般采(cai)用(yong)時間(jian)(jian)控(kong)(kong)制(zhi)方式,比如按照(zhao)IEC標準(zhun)測(ce)試電池(chi)容量時即采(cai)用(yong)0.1C充電16小時的方法。

  2)-△V控制: 
  當電池(chi)充(chong)滿電時,電池(chi)電壓(ya)會達到一個(ge)峰值,然(ran)后電壓(ya)會下降。當電壓(ya)下降一定的值時,終止充(chong)電。

  3)峰值電壓控制: 
通過檢測(ce)電(dian)池的電(dian)壓來判斷(duan)充電(dian)的終點,當電(dian)壓達(da)到(dao)峰值時,終止充電(dian)。

  4)溫度控制: 
電池在充電過程中,溫(wen)度(du)會逐(zhu)漸升高。充滿電時,電池溫(wen)度(du)與周(zhou)圍環境溫(wen)度(du)的差(cha)值會達(da)到最(zui)大。當差(cha)值最(zui)大時停止充電。

  5)dT/dt控制: 
通過檢測電池溫度(du)相對(dui)于充電時間(jian)的(de)(de)變化率(lv)來判斷(duan)充電的(de)(de)終(zhong)點。

  6)TCO控制: 
當電(dian)池溫(wen)度(du)升高一定數值時(shi)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(chong)電溫度(du)為:0度(du)~45度(du)

溫度為:0度~45度
備(bei)注:耐過充能力較(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
備注:目前(qian)最(zui)高容(rong)量(liang)是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:重量比鎳氫(qing)電池(chi)輕30%~40%,容(rong)量高(gao)出鎳氫(qing)電池(chi)60%以上。但是不耐(nai)過充(chong),如(ru)果過充(chong)會造成溫度過高(gao)而破(po)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(zhu):鋰(li)電(dian)的改良型(xing),沒(mei)有電(dian)池液,而(er)改用聚合物電(dian)解(jie)質,可(ke)以(yi)做成各種形狀(zhuang),比(bi)鋰(li)電(dian)池穩定(ding)。

  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
充電溫度為:0度~45度


溫度為:0度~45度
備注:就是(shi)一般車(che)用電(dian)(dian)瓶(它是(shi)以6個(ge)2V串(chuan)聯成12V的(de)),免加(jia)水的(de)電(dian)(dian)池使用壽命長達(da)10年,但體積和(he)重(zhong)量是(shi)最(zui)大(da)的(de)。

  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。
例如(ru)(ru):充電(dian)電(dian)池(chi)的(de)額定容量為1100mAh時(shi),即表示以(yi)(yi)1100mAh(1C)放(fang)電(dian)時(shi)間可持(chi)續1小時(shi),如(ru)(ru)以(yi)(yi)200mA(0.2C)放(fang)電(dian)時(shi)間可持(chi)續5小時(shi),充電(dian)也可按此對照計算。

  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(bu)(bu)同的(de)電(dian)(dian)池(chi)(chi)類型及(ji)不(bu)(bu)同的(de)放電(dian)(dian)條件,對電(dian)(dian)池(chi)(chi)的(de)容量和壽(shou)命的(de)要求(qiu)也不(bu)(bu)同,因此規定的(de)電(dian)(dian)池(chi)(chi)放電(dian)(dian)的(de)終止電(dian)(dian)壓(ya)也不(bu)(bu)相同。

  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)(de)開(kai)路電(dian)壓,會依電(dian)池正、負極與電(dian)解液(ye)的(de)(de)材料而(er)異(yi),如(ru)(ru)果電(dian)池正、負極的(de)(de)材料完全(quan)一樣(yang),那(nei)么(me)不(bu)管電(dian)池的(de)(de)體積有多大,幾何結構(gou)如(ru)(ru)何變化,起(qi)開(kai)路電(dian)壓都一樣(yang)的(de)(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)電(dian)(dian)(dian)深(shen)(shen)度(du)的高低和二(er)次(ci)電(dian)(dian)(dian)池的充電(dian)(dian)(dian)壽(shou)命有(you)很深(shen)(shen)的關系,當二(er)次(ci)電(dian)(dian)(dian)池的放(fang)電(dian)(dian)(dian)深(shen)(shen)度(du)越(yue)深(shen)(shen),其充電(dian)(dian)(dian)壽(shou)命就越(yue)短,因此在使用時應(ying)盡量(liang)避免深(shen)(shen)度(du)放(fang)電(dian)(dian)(dian)。

  過放電(Over discharge) 
電(dian)(dian)(dian)池(chi)若是在放(fang)電(dian)(dian)(dian)過程(cheng)中,超過電(dian)(dian)(dian)池(chi)放(fang)電(dian)(dian)(dian)的(de)(de)終(zhong)止電(dian)(dian)(dian)壓值,還繼續放(fang)電(dian)(dian)(dian)時就可(ke)能會造(zao)成電(dian)(dian)(dian)池(chi)內(nei)壓升高,正(zheng)、負極活性(xing)物質的(de)(de)可(ke)逆性(xing)遭到損壞,使(shi)電(dian)(dian)(dian)池(chi)的(de)(de)容量產生明顯減(jian)少。

  過充電(Over charge) 
  電(dian)池(chi)(chi)在充(chong)(chong)電(dian)時(shi),在達到充(chong)(chong)滿狀(zhuang)態后(hou),若還(huan)繼續充(chong)(chong)電(dian),可能導(dao)致電(dian)池(chi)(chi)內壓升高、電(dian)池(chi)(chi)變形、漏夜等情況(kuang)發生,電(dian)池(chi)(chi)的性能也會顯著降低和損壞。

  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。
一般在相同(tong)體(ti)積下(xia)(xia),鋰(li)(li)離(li)子電(dian)(dian)池的(de)能量(liang)密(mi)度是鎳(nie)(nie)鎘電(dian)(dian)池的(de)2.5倍,是鎳(nie)(nie)氫電(dian)(dian)池的(de)1.8倍,因此在電(dian)(dian)池容量(liang)相等的(de)情(qing)況(kuang)下(xia)(xia),鋰(li)(li)離(li)子電(dian)(dian)池就會比(bi)鎳(nie)(nie)鎘、鎳(nie)(nie)氫電(dian)(dian)池的(de)體(ti)積更小,重(zhong)量(liang)更輕。

  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(ruo)是(shi)以(yi)一個(ge)月為單(dan)位來(lai)計算的話,鋰離子電池自我放電約(yue)是(shi)1%-2%、鎳氫(qing)電池自我放電約(yue)3%-5%。

  充電循環壽命(Cycle life) 
  充(chong)電(dian)電(dian)池在(zai)反復充(chong)放電(dian)使(shi)用(yong)下,電(dian)池容量回逐(zhu)漸下降到初期容量的60%-80%。

  記憶效應(Memory effect) 
在電池(chi)充放電過程(cheng)中,會在電池(chi)極(ji)板(ban)上產(chan)生許多小氣泡(pao),時間一(yi)久,這些氣泡(pao)會減少電池(chi)極(ji)板(ban)的面(mian)積,也間接(jie)影響電池(chi)的容量。

  充電電池的充放電的基本要求
 新買的(de)充(chong)電電池要(yao)充(chong)電8-12小時?

  不論任何(he)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)都有(you)自(zi)我放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)特性(xing),所(suo)以當新(xin)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)到(dao)你手中(zhong)時(shi),這(zhe)(zhe)中(zhong)間(jian)可能充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)已經經過(guo)(guo)了(le)一(yi)(yi)段時(shi)間(jian)的(de)(de)(de)(de)自(zi)我放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)了(le)。這(zhe)(zhe)就(jiu)是(shi)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)內(nei)部的(de)(de)(de)(de)化學(xue)原料已經歷一(yi)(yi)段時(shi)間(jian)沒(mei)有(you)使用,出現(xian)“鈍化”狀態,無法充(chong)(chong)(chong)(chong)分發(fa)(fa)揮(hui)化學(xue)反(fan)應,提供足夠的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓。在(zai)這(zhe)(zhe)種(zhong)情(qing)況(kuang)下,第一(yi)(yi)次使用充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)時(shi),一(yi)(yi)定要將(jiang)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)充(chong)(chong)(chong)(chong)滿,讓電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)壓恢復到(dao)原有(you)的(de)(de)(de)(de)水(shui)平。事實上,如果你的(de)(de)(de)(de)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)長時(shi)間(jian)沒(mei)有(you)使用,也一(yi)(yi)樣會產(chan)生這(zhe)(zhe)種(zhong)“鈍化”現(xian)象,而且情(qing)況(kuang)會更嚴重。最好能對(dui)(dui)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)進(jin)(jin)行3次充(chong)(chong)(chong)(chong)放電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)過(guo)(guo) 程,將(jiang)有(you)助充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)的(de)(de)(de)(de)活化作用。讓充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)內(nei)部的(de)(de)(de)(de)化學(xue)物質(zhi)可以充(chong)(chong)(chong)(chong)分發(fa)(fa)揮(hui)應有(you)的(de)(de)(de)(de)效果(鎳鎘(ge)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi))。有(you)時(shi)新(xin)購買的(de)(de)(de)(de)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi),放進(jin)(jin)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)(de)(de)時(shi)候,會在(zai)還(huan)沒(mei)充(chong)(chong)(chong)(chong)飽(bao)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)之(zhi)前充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)就(jiu)停止充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)了(le)。當遇見這(zhe)(zhe)種(zhong)問(wen)題的(de)(de)(de)(de)時(shi)候,你只要將(jiang)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)移開充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi),然(ran)后在(zai)放進(jin)(jin)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)器(qi)繼續(xu)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)。這(zhe)(zhe)對(dui)(dui)于新(xin)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)是(shi)很正常的(de)(de)(de)(de)現(xian)象,不是(shi)你購買到(dao)不良的(de)(de)(de)(de)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)(鎳氫、鋰離子電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi))。一(yi)(yi)般來說對(dui)(dui)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)(de)時(shi)間(jian)不能太久,最多12小時(shi)就(jiu)足夠,如果一(yi)(yi)旦過(guo)(guo)度充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)就(jiu)會對(dui)(dui)充(chong)(chong)(chong)(chong)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)池(chi)(chi)造成損壞。

  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(jia)如你(ni)用(yong)1600mAh的充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi),充(chong)(chong)電(dian)(dian)(dian)器用(yong)400mA的電(dian)(dian)(dian)流充(chong)(chong)電(dian)(dian)(dian),則充(chong)(chong)電(dian)(dian)(dian)時間為:1600/400*1.5=6小(xiao)時(注意(yi):這種方法(fa)不適用(yong)新購買或長期未使用(yong)的充(chong)(chong)電(dian)(dian)(dian)電(dian)(dian)(dian)池(chi))

  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(qing)注意(yi)看到(dao)這(zhe)(zhe)里時,就不(bu)要利用充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)的(de)放電(dian)(dian)(dian)(dian)(dian)功能對(dui)(dui)(dui)鎳氫充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池和鋰離(li)(li)(li)子充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池進行放電(dian)(dian)(dian)(dian)(dian)動作,尤其是鋰離(li)(li)(li)子充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池,由(you)于本身(shen)的(de)材質因數,并不(bu)允許電(dian)(dian)(dian)(dian)(dian)池本身(shen)能夠承(cheng)受充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)器(qi)的(de)強(qiang)制放電(dian)(dian)(dian)(dian)(dian)。如果(guo)你(ni)硬要對(dui)(dui)(dui)鋰離(li)(li)(li)子充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池進行放電(dian)(dian)(dian)(dian)(dian),最終將導致電(dian)(dian)(dian)(dian)(dian)池損壞。)另外,你(ni)使用需(xu)放電(dian)(dian)(dian)(dian)(dian)的(de)鎳鎘充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池,那(nei)么建(jian)議你(ni),不(bu)論使用電(dian)(dian)(dian)(dian)(dian)池的(de)次(ci)數是否頻(pin)繁(fan),最好每隔兩、三個(ge)月左右就對(dui)(dui)(dui)鎳鎘充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池進行一次(ci)充(chong)(chong)放電(dian)(dian)(dian)(dian)(dian),這(zhe)(zhe)樣可以(yi)確(que)保鎳鎘充(chong)(chong)電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)池的(de)記憶(yi)效(xiao)應對(dui)(dui)(dui)電(dian)(dian)(dian)(dian)(dian)池的(de)影響(xiang)減到(dao)最低狀(zhuang)態。

電機(ji)、漿、電池、機(ji)型(xing)的相互(hu)關系

電(dian)機(ji)(ji)KV值(zhi):電(dian)機(ji)(ji)的轉速(su)(空載)=KV值(zhi)X電(dian)壓;例如KV1000的電(dian)機(ji)(ji)在10V電(dian)壓下它(ta)的轉速(su)(空載)就是10000轉/分鐘。

電機的KV值越高,提(ti)供(gong)(gong)出來的扭(niu)力就越小(xiao)。所以(yi),KV值的大小(xiao)就與(yu)漿(jiang)(jiang)有著密切(qie)的關系,以(yi)下就這點(dian)提(ti)供(gong)(gong)一下配漿(jiang)(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左右(you)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(yong)KV1000配1060漿與 KV3000配4530漿它們(men)分別產生的推力前者(zhe)是(shi)后(hou)者(zhe)的兩倍(bei)。

機型與電機、漿的關系:

一般來(lai)說(shuo):漿(jiang)(jiang)越(yue)大(da)對(dui)飛機所(suo)產生的反扭力越(yue)大(da),所(suo)以漿(jiang)(jiang)的大(da)小與(yu)機的翼展(zhan)大(da)小有著一定關系,但漿(jiang)(jiang)與(yu)電機也有著上面所(suo)講的關系。

例(li)如用(yong)1060漿,機(ji)的翼展就(jiu)得要(yao)在80CM以(yi)上(shang)為合適(shi),不然(ran)的話(hua)機(ji)就(jiu)容易(yi)造成(cheng)反扭;又(you)如用(yong)8*6的漿翼展就(jiu)得在60以(yi)上(shang)。

再比如:用(yong)4530漿做(zuo)翼展(zhan)1米以(yi)上機行否? 是可(ke)以(yi),但飛(fei)機飛(fei)起(qi)來(lai)會(hui)很耗(hao)電,因為翼展(zhan)大飛(fei)行的阻力(li)大,而4530漿產生的推力(li)相對情況下小(xiao)(上面漿的大小(xiao)與(yu)電流關系有講到(dao))。

所(suo)以模友在選擇(ze)玩什(shen)么機(ji)型的時候就要注意這4者的關系,尤其是新手選擇(ze)機(ji)型,一定要看這機(ji)型翼(yi)展大小選擇(ze)配電機(ji)、漿(jiang)、電池(chi),特(te)別要注意的是,不能用大漿(jiang)配高KV的電機(ji),否則燒電機(ji)還(huan)影響(xiang)了電池(chi),有可能連(lian)電調也燒掉(diao)。

另外,有些模友(you)誤認為(wei),電機的(de)推力(li)越大,飛機就能更加克(ke)服(fu)阻力(li)飛得更快,這(zhe)個問題就留給有興趣的(de)模友(you)去(qu)討論一下了。

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)(dian)池長(chang)時(shi)間超過(guo)15安或以(yi)上(shang)電(dian)(dian)流工作,那(nei)么(me)電(dian)(dian)池的(de)壽命會變短、還有電(dian)(dian)池的(de)充滿電(dian)(dian)壓(ya)單(dan)片4.15-4.20合適(shi),用后的(de)最低電(dian)(dian)壓(ya)為單(dan)片3.7以(yi)上(shang)(切記不要過(guo)放),長(chang)期不用的(de)保(bao)存電(dian)(dian)壓(ya)最好為3.9。

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