原創人:開山斧 發布時間:2003年11月19日
dianjiedianrongqishidianzixingyedeyizhongjiaonankongzhipinzhideyuanqijian,youdianjiedianrongyinqidechanpinpinzhiwentijiaoduo,henduochangjiabuzhiruhejianzhadianjiedianrongdezhiliang,budebuhuagaojiagoumaimingpaidianjiedianrong,zheyangjiuhuitigaohenduodechengben。benrenjingguotansuoheshijian,bazongjiechudeyitaogaoxiaodefeichangguishaixuanfangfahezizhidejiajujieshaogeidajia,buguanshimingpai、雜(za)牌(pai)還(hai)是(shi)冒(mao)牌(pai),一(yi)試(shi)便(bian)知(zhi)質(zhi)量(liang)的(de)好(hao)壞(huai)。常(chang)規(gui)測(ce)試(shi)方(fang)法(fa)一(yi)般(ban)的(de)電(dian)子(zi)書(shu)上(shang)都(dou)有(you),本(ben)文(wen)不(bu)再(zai)重(zhong)複(fu)說(shuo)明(ming)。另(ling)外(wai),令(ling)本(ben)人(ren)感(gan)到(dao)自(zi)豪(hao)的(de)是(shi),我(wo)以(yi)前(qian)的(de)電(dian)解(jie)電(dian)容(rong)供(gong)應(ying)商(shang)也(ye)求(qiu)我(wo)做(zuo)了(le)幾(ji)套(tao),用(yong)於(yu)自(zi)己(ji)的(de)產(chan)品(pin)和(he)競(jing)爭(zheng)對(dui)手(shou)的(de)產(chan)品(pin)質(zhi)量(liang)比(bi)較(jiao)。
原理:dianzizhenliuqisuoyongdedianjiedianrongqidezhuyaowentishizaigongzuoshinaiyazhibugouhuowenduxishucha,zaochengdianjiedianrongsunhuai。benfangfashizaidianjiedianrongqidejixiangongzuonaiyadezhuangkuangxia,tongguochongfangdianlaijiancedianjiedianrongdezhiliang,ruguoyoutiaojianzaigaowenxiazuoshaixuangenghao。ruguodianjiedianrongdexingnengbugou,shaoweiyoudianloudiandeshihou,qitadianjiedianrongsuocunchudedianhejianghuitongguogaidianrongfangchu,jieguojiangxingnengjiaochadedianrongzhahui。xingnenghaodedianjiedianrongwanhaowusun
主要元件選擇:T1用0-250V/1KW的自藕調壓器,T2需定製,參數是500W,220/380V升壓式隔離變壓器。直流電壓表用1000V量程的。S1和S2用聯動的開關,最好可選用機床上的緊急製動開關代替。燈泡用普通的白芷燈就可以了。保險絲用彩電上的延遲保險絲就行。
製作方法:先製作一個夾具,可以把很多待測的.電解電容器的引腳固定,並可以可靠地電氣連接。再用一個箱子,把所有的東西安裝在箱子內,電壓表、燈泡、開關和調壓手柄裝在箱子的外表麵,連接好電氣線路就可以進行電解電容篩選了。
儀器調試方法:xiananzhaodianjiedianrongdeyaoqiutiaohaogongzuodianya,badianjiedianrongqizhuangzaijiajushangjiajin,guanshangxiangzigai,anxiadianyuankaiguan,zheshidengpaoliangleyixia,tongshidianyabiaodezhizhenzaishangsheng,biaoshidianluzaigeidianjiedianrongchongdian,daoleguidingdedianyashi,dengpaoximie。zaixuanzhuankaiguan,rangkaiguantiaoqi,zheshidengpaoliangyixia,biaoshidianjiedianrongzaifangdian,tongshidianyabiaozhizhenzaixiajiang。zheyangbiaoshiyiqigongzuozhengchang。
額定工作電壓的選擇方法:一般情況下,額定工作電壓選為電解電容標識電壓的110-120%,如標識電壓為400V,那麼,工作電壓選為440-480V之間。如儀器在高溫情況下就選為440V,在低溫情況下就選為480V。
篩選操作方法:xiangenjudianjiedianrongdebiaoshitiaohaogongzuodianya,guanshangdianyuankaiguan,zhuangshangdianjiedianrong,jiajin,gaishangxiangzigai。dakaidianyuankaiguan,guanshang,fanfusanci,zaidakaidianyuankaiguan,baochibanxiaoshi,zaifanfukaiguansanci,zuihouguanshangdianyuankaiguan,quchudianjiedianrong,zhebushaixuangongzuowanbi。
注意事項:若在測試過程中爆炸的、破裂的,漏氣的電解電容皆為不合格品,其他可作為合格品使用。
全麵的篩選方法還要包含電容量、漏電電流和損耗角的檢測。