一、驗電器是檢驗什么的儀器

驗(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)是(shi)一種(zhong)(zhong)檢測物體是(shi)否帶(dai)電(dian)(dian)(dian)(dian)(dian)(dian)以及粗略估計(ji)帶(dai)電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)大(da)小(xiao)的(de)(de)(de)(de)(de)(de)儀(yi)器(qi)，當被檢驗(yan)(yan)物體接觸驗(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)頂端的(de)(de)(de)(de)(de)(de)導體時，自(zi)身所帶(dai)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)會傳到(dao)玻璃(li)鐘罩(zhao)內的(de)(de)(de)(de)(de)(de)箔(bo)(bo)片(pian)上。由于(yu)同(tong)種(zhong)(zhong)電(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)相互排斥，箔(bo)(bo)片(pian)將(jiang)自(zi)動(dong)分開(kai)，張成一定角度(du)。根據兩(liang)箔(bo)(bo)片(pian)張成角度(du)的(de)(de)(de)(de)(de)(de)大(da)小(xiao)可估計(ji)物體帶(dai)電(dian)(dian)(dian)(dian)(dian)(dian)量(liang)的(de)(de)(de)(de)(de)(de)大(da)小(xiao)。其實這是(shi)箔(bo)(bo)片(pian)所受電(dian)(dian)(dian)(dian)(dian)(dian)場力包括箔(bo)(bo)片(pian)上同(tong)名(ming)(ming)的(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)的(de)(de)(de)(de)(de)(de)斥力和(he)(he)器(qi)皿(min)內壁異名(ming)(ming)電(dian)(dian)(dian)(dian)(dian)(dian)荷(he)(he)的(de)(de)(de)(de)(de)(de)吸(xi)引(yin)力。如(ru)果將(jiang)玻璃(li)瓶改為使(shi)用金(jin)屬(shu)盒以便(bian)(bian)屏(ping)蔽靜電(dian)(dian)(dian)(dian)(dian)(dian)、金(jin)屬(shu)棒(bang)和(he)(he)器(qi)皿(min)引(yin)出導線以便(bian)(bian)測量(liang)兩(liang)點(dian)間電(dian)(dian)(dian)(dian)(dian)(dian)勢差、增(zeng)加(jia)刻度(du)以便(bian)(bian)將(jiang)結果量(liang)化，那(nei)么驗(yan)(yan)電(dian)(dian)(dian)(dian)(dian)(dian)器(qi)可以改造為更精確的(de)(de)(de)(de)(de)(de)靜電(dian)(dian)(dian)(dian)(dian)(dian)計(ji)。

二、驗電器是基本安全用具嗎

驗電器既可以作為(wei)基本(ben)安全用(yong)(yong)具使用(yong)(yong)，也可以作為(wei)輔助安全用(yong)(yong)具使用(yong)(yong)。

驗(yan)電(dian)(dian)器在電(dian)(dian)氣(qi)安(an)全(quan)(quan)檢測(ce)中具有非常重(zhong)要的作(zuo)用(yong)，它(ta)可以幫助(zhu)工人識別設備是否(fou)帶電(dian)(dian)或者(zhe)帶有電(dian)(dian)壓，為(wei)電(dian)(dian)氣(qi)安(an)全(quan)(quan)提供了保(bao)障(zhang)。同(tong)時(shi)，在工業領域中，驗(yan)電(dian)(dian)器也是一種(zhong)重(zhong)要的安(an)全(quan)(quan)用(yong)具，它(ta)可以作(zuo)為(wei)基本安(an)全(quan)(quan)用(yong)具使用(yong)，幫助(zhu)工人避免因(yin)電(dian)(dian)氣(qi)問(wen)題引發的事故。在一些危險系(xi)數較(jiao)高的情況下，也可以作(zuo)為(wei)輔助(zhu)安(an)全(quan)(quan)用(yong)具使用(yong)。

三、驗電器是感應起電還是接觸起電

驗電器是(shi)通過接(jie)觸起(qi)電的方式(shi)工(gong)作的。

驗(yan)電(dian)(dian)(dian)(dian)(dian)器(qi)是一種用于檢(jian)測物體(ti)是否(fou)帶(dai)(dai)電(dian)(dian)(dian)(dian)(dian)以及粗略估計(ji)帶(dai)(dai)電(dian)(dian)(dian)(dian)(dian)量大小(xiao)的(de)(de)(de)儀器(qi)。其(qi)工作原理基于同種電(dian)(dian)(dian)(dian)(dian)荷相互(hu)(hu)排斥的(de)(de)(de)原理。當被檢(jian)驗(yan)物體(ti)接(jie)觸(chu)驗(yan)電(dian)(dian)(dian)(dian)(dian)器(qi)頂端的(de)(de)(de)導(dao)體(ti)時，自身所帶(dai)(dai)的(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)荷會傳到(dao)玻璃鐘罩(zhao)內的(de)(de)(de)箔片上(shang)。由于同種電(dian)(dian)(dian)(dian)(dian)荷相互(hu)(hu)排斥，箔片將自動(dong)分開，張(zhang)(zhang)成(cheng)一定角度。根(gen)據(ju)兩(liang)箔片張(zhang)(zhang)成(cheng)角度的(de)(de)(de)大小(xiao)，可以估計(ji)物體(ti)帶(dai)(dai)電(dian)(dian)(dian)(dian)(dian)量的(de)(de)(de)大小(xiao)。這種通過物體(ti)與驗(yan)電(dian)(dian)(dian)(dian)(dian)器(qi)的(de)(de)(de)金屬球接(jie)觸(chu)，導(dao)致(zhi)電(dian)(dian)(dian)(dian)(dian)荷傳到(dao)驗(yan)電(dian)(dian)(dian)(dian)(dian)器(qi)上(shang)的(de)(de)(de)鋁箔上(shang)，進而根(gen)據(ju)同種電(dian)(dian)(dian)(dian)(dian)荷相斥的(de)(de)(de)原理來判(pan)斷物體(ti)是否(fou)帶(dai)(dai)電(dian)(dian)(dian)(dian)(dian)的(de)(de)(de)過程，屬于接(jie)觸(chu)起電(dian)(dian)(dian)(dian)(dian)。

雖然驗(yan)電(dian)(dian)器的(de)(de)工作原理涉及到接觸(chu)起(qi)電(dian)(dian)，但(dan)也(ye)可以(yi)通過(guo)改造(zao)(zao)，如使(shi)用金屬盒以(yi)便屏(ping)蔽靜(jing)電(dian)(dian)、金屬棒和器皿引出導(dao)線以(yi)便測(ce)量兩點(dian)間電(dian)(dian)勢差、增加刻度以(yi)便將結(jie)果量化，從而使(shi)其成為更精確的(de)(de)靜(jing)電(dian)(dian)計。這種(zhong)改造(zao)(zao)并不改變驗(yan)電(dian)(dian)器基本的(de)(de)工作原理，即通過(guo)接觸(chu)帶電(dian)(dian)物體來(lai)檢測(ce)和測(ce)量電(dian)(dian)荷。