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智能電纜故障測試儀故障分析

點擊次數:385 更新時間:2021-07-09

電(dian)纜故(gu)障測(ce)(ce)試(shi)(shi)儀(yi)(yi)一般都由電(dian)纜故(gu)障測(ce)(ce)試(shi)(shi)儀(yi)(yi)主機、電(dian)纜路(lu)徑儀(yi)(yi)、故(gu)障定點(dian)儀(yi)(yi)、電(dian)纜故(gu)障一體化高(gao)壓發(fa)生器等(deng)多(duo)類型設備組成(cheng)。通常(chang)情(qing)況下,電(dian)纜故(gu)障測(ce)(ce)試(shi)(shi)儀(yi)(yi)能對電(dian)纜的(de)(de)高(gao)阻閃(shan)絡故(gu)障、高(gao)低阻性(xing)的(de)(de)接(jie)(jie)地(di)、短路(lu)和電(dian)纜的(de)(de)斷(duan)線、接(jie)(jie)觸不良等(deng)故(gu)障進(jin)行測(ce)(ce)試(shi)(shi)。電(dian)纜故(gu)障測(ce)(ce)試(shi)(shi)儀(yi)(yi)是維護各種電(dian)纜的(de)(de)重要工具,但(dan)是使用(yong)過(guo)程中難免會出(chu)現一些問題,接(jie)(jie)下來,將進(jin)行電(dian)纜故(gu)障測(ce)(ce)試(shi)(shi)儀(yi)(yi)使用(yong)過(guo)程中的(de)(de)故(gu)障分析。

電(dian)纜(lan)故障(zhang)測試儀故障(zhang)分(fen)析

在(zai)實際應(ying)用過(guo)程中,電(dian)纜故(gu)障(zhang)(zhang)測(ce)試儀也會出現(xian)一些(xie)故(gu)障(zhang)(zhang)現(xian)象,這些(xie)故(gu)障(zhang)(zhang)現(xian)象嚴重影響了電(dian)纜故(gu)障(zhang)(zhang)儀的(de)使用性能,現(xian)在(zai)就電(dian)纜故(gu)障(zhang)(zhang)測(ce)試儀常見一些(xie)簡單故(gu)障(zhang)(zhang)類型進(jin)行(xing)分解(jie),方便用戶自行(xing)對(dui)設備(bei)進(jin)行(xing)維修,省去返廠的(de)麻煩。

1.電(dian)纜(lan)故(gu)障測(ce)試儀開機之后,電(dian)源指示(shi)燈不亮

電(dian)(dian)(dian)(dian)(dian)纜故(gu)障(zhang)(zhang)測(ce)試(shi)(shi)儀出現這(zhe)(zhe)種情(qing)況,首(shou)先觀察電(dian)(dian)(dian)(dian)(dian)纜故(gu)障(zhang)(zhang)測(ce)試(shi)(shi)儀的(de)(de)屏(ping)幕上有無圖(tu)像顯示(shi),如果屏(ping)幕不亮(liang),有可能是(shi)電(dian)(dian)(dian)(dian)(dian)池沒電(dian)(dian)(dian)(dian)(dian),需對電(dian)(dian)(dian)(dian)(dian)纜故(gu)障(zhang)(zhang)測(ce)試(shi)(shi)儀進行充(chong)電(dian)(dian)(dian)(dian)(dian)。待充(chong)電(dian)(dian)(dian)(dian)(dian)完畢(bi),再次開機。如果開機后(hou)屏(ping)幕亮(liang)了(le),電(dian)(dian)(dian)(dian)(dian)纜故(gu)障(zhang)(zhang)測(ce)試(shi)(shi)儀的(de)(de)電(dian)(dian)(dian)(dian)(dian)源(yuan)指示(shi)燈(deng)任然不亮(liang),則表示(shi)指示(shi)燈(deng)損壞(huai),需更換指示(shi)燈(deng)。如果電(dian)(dian)(dian)(dian)(dian)纜故(gu)障(zhang)(zhang)測(ce)試(shi)(shi)儀充(chong)完電(dian)(dian)(dian)(dian)(dian)后(hou),屏(ping)幕和指示(shi)燈(deng)依然不亮(liang),說明(ming)電(dian)(dian)(dian)(dian)(dian)纜故(gu)障(zhang)(zhang)測(ce)試(shi)(shi)儀主機中的(de)(de)電(dian)(dian)(dian)(dian)(dian)路(lu)板出現故(gu)障(zhang)(zhang),這(zhe)(zhe)種情(qing)況切(qie)勿自行拆機維(wei)修(xiu),一(yi)定要(yao)聯系電(dian)(dian)(dian)(dian)(dian)纜故(gu)障(zhang)(zhang)測(ce)試(shi)(shi)儀廠家進行維(wei)修(xiu)。

2.電(dian)纜故障測(ce)試儀屏幕沒有圖像顯示(shi)

電(dian)(dian)纜(lan)故(gu)障測(ce)(ce)(ce)試(shi)(shi)儀(yi)(yi)開機(ji)后,電(dian)(dian)源指示燈亮了,但(dan)是(shi)電(dian)(dian)纜(lan)故(gu)障測(ce)(ce)(ce)試(shi)(shi)儀(yi)(yi)的(de)屏幕(mu)(mu)沒(mei)有(you)圖(tu)像顯(xian)示。設備屏幕(mu)(mu)沒(mei)有(you)顯(xian)示,有(you)可(ke)能是(shi)試(shi)(shi)驗現場光線(xian)強烈,導(dao)致屏幕(mu)(mu)顯(xian)示的(de)狀態不易被查看。這時只需調節電(dian)(dian)纜(lan)故(gu)障測(ce)(ce)(ce)試(shi)(shi)儀(yi)(yi)的(de)對(dui)比度,就可(ke)以解決問題。具體(ti)怎么(me)調節電(dian)(dian)纜(lan)故(gu)障測(ce)(ce)(ce)試(shi)(shi)儀(yi)(yi)的(de)對(dui)比度,可(ke)以根據電(dian)(dian)纜(lan)故(gu)障測(ce)(ce)(ce)試(shi)(shi)儀(yi)(yi)廠家的(de)說(shuo)明書進行操作。如果確定(ding)不是(shi)光線(xian)的(de)原因,則可(ke)能是(shi)主機(ji)電(dian)(dian)路(lu)板出(chu)現故(gu)障,需要返(fan)廠維修。

3.電纜故障測試(shi)儀屏幕沒有(you)發射波(bo)形(xing)

電纜(lan)故障(zhang)測試儀在使用過程,設備可以正常發(fa)射(she)波(bo)形,但是沒有發(fa)射(she)波(bo)形。出現(xian)這(zhe)種問題(ti),通常是有兩個原因:

第一,因為電(dian)纜(lan)故(gu)(gu)障測(ce)試儀測(ce)量(liang)(liang)前(qian),選(xuan)擇的測(ce)量(liang)(liang)范(fan)(fan)圍過大或過小,不合適的測(ce)量(liang)(liang)范(fan)(fan)圍,會影(ying)響電(dian)纜(lan)故(gu)(gu)障測(ce)試儀的正(zheng)常使用。這個時(shi)候只(zhi)需回到測(ce)試前(qian)的步驟,選(xuan)擇正(zheng)確的范(fan)(fan)圍在進行測(ce)試。<

第二,因為電纜(lan)故(gu)(gu)障測(ce)(ce)試儀的(de)輸出測(ce)(ce)試線與(yu)被測(ce)(ce)電纜(lan)的(de)連(lian)接處(chu)沒有(you)固定,電纜(lan)故(gu)(gu)障測(ce)(ce)試儀無法(fa)檢測(ce)(ce)到被試品,所以(yi)發射出的(de)波(bo)形沒有(you)反射波(bo)形回應。可以(yi)先(xian)停(ting)止試驗(yan),檢查接線。待一切正(zheng)常之(zhi)后,再重新進行電纜(lan)故(gu)(gu)障測(ce)(ce)試儀測(ce)(ce)試。

綜(zong)上(shang)所述(shu),如果(guo)在試(shi)驗現(xian)場遇到電(dian)纜故(gu)障測(ce)試(shi)儀的(de)故(gu)障現(xian)象,一定要沉著冷(leng)靜,及(ji)時與電(dian)纜故(gu)障測(ce)試(shi)儀廠家溝通(tong),積(ji)極解(jie)決問題(ti)(ti)。如果(guo)問題(ti)(ti)嚴重,設計到電(dian)路或者程序方(fang)面的(de)問題(ti)(ti),隨意拆(chai)卸(xie)可(ke)能會對設備(bei)造成(cheng)二(er)次傷害,所以建議還是將電(dian)纜故(gu)障測(ce)試(shi)儀返廠進行維(wei)修。

 

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