「回收貼(tie)片電容散料」電路(lu)內測量貼(tie)片電容好壞方法
「回收貼片(pian)(pian)電(dian)(dian)(dian)容(rong)(rong)散料」電(dian)(dian)(dian)路(lu)(lu)內測量貼片(pian)(pian)電(dian)(dian)(dian)容(rong)(rong)好(hao)壞方法,如果芯片(pian)(pian)電(dian)(dian)(dian)容(rong)(rong)短路(lu)(lu),可以通過萬用表在(zai)線(xian)測量來(lai)判斷。如果電(dian)(dian)(dian)路(lu)(lu)是(shi)開放(fang)的,因(yin)為容(rong)(rong)量太小,不能(neng)用萬用表測量,你可以用筆連接(jie)到(dao)220
V的消防線(xian)路(lu)(lu)。把芯片(pian)(pian)電(dian)(dian)(dian)容(rong)(rong)的引腳(jiao)放(fang)在(zai)筆蓋(gai)上(shang),看(kan)看(kan)霓虹燈泡(pao)是(shi)否發(fa)(fa)光,發(fa)(fa)光電(dian)(dian)(dian)容(rong)(rong)好(hao),否則電(dian)(dian)(dian)路(lu)(lu)壞了(le)。
測量(liang)芯(xin)片(pian)(pian)電容質量(liang)的主要(yao)方法有四種,由芯(xin)片(pian)(pian)電容的小(xiao)部分組成,對芯(xin)片(pian)(pian)電容的電路(lu)測量(liang)方法進行了簡要(yao)的討論(lun)。
方法(fa)1:一般(ban)貼(tie)片電(dian)容(rong)的電(dian)阻值為無(wu)窮大,代(dai)之以異常電(dian)阻值,容(rong)量變小,萬用表無(wu)法(fa)測量,直接更換。
方法(fa)2:安全的(de)(de)方法(fa)是用萬用表的(de)(de)兩(liang)極接地另(ling)一根(gen)針來測量電容器的(de)(de)兩(liang)端,分別對(dui)短路作出反應。
方(fang)法3:如(ru)(ru)果芯片電(dian)(dian)容短(duan)路(lu),則可通過萬用(yong)(yong)表(biao)在線(xian)(xian)測量判斷(duan)。如(ru)(ru)果電(dian)(dian)路(lu)開(kai)路(lu),因為電(dian)(dian)容太(tai)小,無(wu)法用(yong)(yong)萬用(yong)(yong)表(biao)測量,可使用(yong)(yong)筆(bi)連接220V火線(xian)(xian),將芯片電(dian)(dian)容的(de)引腳放在筆(bi)帽(mao)上,查看霓虹燈泡是(shi)否發光(guang)(guang),發光(guang)(guang)電(dian)(dian)容好。否則,斷(duan)開(kai)電(dian)(dian)路(lu)。220V電(dian)(dian)壓,但不在板實驗中。
方法4:電阻值(zhi)無限大,電阻值(zhi)為零呼叫(jiao)差(cha),其他(ta)值(zhi)應有一些小變化(hua)。
用萬用表測量貼片電(dian)容的方法(fa)如(ru)下:
1,萬用表(biao)也調整到適當的(de)歐姆齒輪。選(xuan)擇(ze)移位的(de)原則(ze)是(shi):1μF的(de)電容為20K,1-100μF的(de)電容為2K,μF的(de)尺(chi)寸(cun)大于(yu)100,μF的(de)容量為200。
2、判斷(duan)極(ji)(ji)(ji)性(xing),先將(jiang)萬用表(biao)調整(zheng)為100或1000歐姆(mu),假定極(ji)(ji)(ji)正極(ji)(ji)(ji),讓黑(hei)筆(bi)與之(zhi)連接,紅(hong)色筆(bi)和另一個極(ji)(ji)(ji),記下電(dian)(dian)阻(zu)值(zhi),然(ran)(ran)后放電(dian)(dian)電(dian)(dian)容,即,讓兩極(ji)(ji)(ji)接觸,然(ran)(ran)后更換儀表(biao)以測量電(dian)(dian)阻(zu),黑(hei)筆(bi)對(dui)接的較(jiao)大(da)值(zhi)是正極(ji)(ji)(ji)的電(dian)(dian)容。
3.用萬(wan)用表的(de)(de)(de)紅筆(bi)連接電容(rong)器(qi)的(de)(de)(de)正極,用黑色的(de)(de)(de)筆(bi)連接電容(rong)的(de)(de)(de)負極。如果顯示(shi)器(qi)從0慢(man)(man)慢(man)(man)增加(jia),最后顯示(shi)溢(yi)出(chu)符(fu)號1,電容(rong)就正常。
「回(hui)收貼(tie)片電(dian)(dian)容(rong)(rong)散料」電(dian)(dian)路內測量(liang)貼(tie)片電(dian)(dian)容(rong)(rong)好壞(huai)方法內容(rong)(rong)就到這(zhe)里,深圳超興勝電(dian)(dian)子(zi)(zi)是一家(jia)專業回(hui)收電(dian)(dian)子(zi)(zi)料、回(hui)收ic、回(hui)收貼(tie)片電(dian)(dian)容(rong)(rong)散料、貼(tie)片電(dian)(dian)容(rong)(rong)庫存的廠家(jia),回(hui)收電(dian)(dian)子(zi)(zi)請聯系我們。