電(dian)纜識(shi)別(bie)儀與常規的(de)(de)識(shi)別(bie)儀不同，采用了的(de)(de)通信技術(shu)，在發(fa)射(she)(she)端采用單片(pian)機(ji)技術(shu)對(dui)發(fa)射(she)(she)信號(hao)進行(xing)編碼(ma)、功率驅動，將信號(hao)耦合到電(dian)纜上(shang)(shang)；接收機(ji)中的(de)(de)單片(pian)機(ji)對(dui)接收的(de)(de)相(xiang)位(wei)編碼(ma)信號(hao)解碼(ma)和相(xiang)位(wei)識(shi)別(bie)。根據目標電(dian)纜上(shang)(shang)的(de)(de)信號(hao)相(xiang)位(wei)特征(zheng)將目標電(dian)纜從一大(da)束電(dian)纜中識(shi)別(bie)出來。

因此工作性(xing)能可靠，對超長電纜也能做到準確判別，是一種輕小(xiao)型(xing)、緊湊(cou)型(xing)、便(bian)攜(xie)式(shi)儀器。

由電纜識(shi)別(bie)發(fa)射(she)機(ji)，電纜識(shi)別(bie)接收機(ji)、發(fa)射(she)卡鉗(qian)和接收卡鉗(qian)及輸(shu)出信號連接線組成。

工(gong)作原理:

發(fa)射(she)機(ji)和(he)接(jie)(jie)收(shou)(shou)(shou)機(ji)采用單(dan)片機(ji)編碼(ma)、解碼(ma)技(ji)術和(he)廣泛應用在(zai)(zai)通信(xin)領域里的(de)(de)(de)(de)PSK技(ji)術。在(zai)(zai)發(fa)射(she)卡鉗(qian)(qian)(qian)上(shang)發(fa)射(she)平均值為0 的(de)(de)(de)(de)相位(wei)編碼(ma)信(xin)號(hao)(hao)，接(jie)(jie)收(shou)(shou)(shou)機(ji)中(zhong)的(de)(de)(de)(de)單(dan)片機(ji)對接(jie)(jie)收(shou)(shou)(shou)的(de)(de)(de)(de)信(xin)號(hao)(hao)經過硬件和(he)軟件的(de)(de)(de)(de)濾波后(hou)，再進行相位(wei)識(shi)別(bie)。將發(fa)射(she)卡鉗(qian)(qian)(qian)和(he)接(jie)(jie)收(shou)(shou)(shou)卡鉗(qian)(qian)(qian)的(de)(de)(de)(de)箭頭指向電(dian)(dian)(dian)纜(lan)(lan)終端(duan)，當接(jie)(jie)收(shou)(shou)(shou)機(ji)卡鉗(qian)(qian)(qian)鉗(qian)(qian)(qian)住某根電(dian)(dian)(dian)纜(lan)(lan)，接(jie)(jie)收(shou)(shou)(shou)機(ji)電(dian)(dian)(dian)流表(biao)右偏，同時伴有(you)聲光(guang)指示。而鉗(qian)(qian)(qian)住其它的(de)(de)(de)(de)電(dian)(dian)(dian)纜(lan)(lan)，電(dian)(dian)(dian)流表(biao)左偏，電(dian)(dian)(dian)流方(fang)向與被識(shi)別(bie)電(dian)(dian)(dian)纜(lan)(lan)的(de)(de)(de)(de)電(dian)(dian)(dian)流方(fang)向相反，沒有(you)聲光(guang)指示。這就體(ti)現了被識(shi)別(bie)的(de)(de)(de)(de)目標電(dian)(dian)(dian)纜(lan)(lan)。很容易將被識(shi)別(bie)電(dian)(dian)(dian)纜(lan)(lan)從多根電(dian)(dian)(dian)纜(lan)(lan)中(zhong)做出明確判別(bie)。又(you)由于被識(shi)別(bie)電(dian)(dian)(dian)纜(lan)(lan)上(shang)的(de)(de)(de)(de)信(xin)號(hao)(hao)電(dian)(dian)(dian)流強(qiang)度(du)(du)全(quan)線(xian)都是一樣的(de)(de)(de)(de)，接(jie)(jie)收(shou)(shou)(shou)卡鉗(qian)(qian)(qian)在(zai)(zai)電(dian)(dian)(dian)纜(lan)(lan)沿線(xian)所接(jie)(jie)收(shou)(shou)(shou)到的(de)(de)(de)(de)電(dian)(dian)(dian)磁信(xin)號(hao)(hao)強(qiang)度(du)(du)*，識(shi)別(bie)的(de)(de)(de)(de)電(dian)(dian)(dian)纜(lan)(lan)不(bu)受(shou)被識(shi)別(bie)電(dian)(dian)(dian)纜(lan)(lan)長度(du)(du)的(de)(de)(de)(de)限制。

電纜(lan)識別(bie)儀(yi)的特點(dian)

具有(you)大功(gong)率電流脈沖輸出；

現(xian)場接收信(xin)號(hao)特征清晰，輕(qing)便靈活，靈敏度高，能(neng)有效抑(yi)制現(xian)場工頻干擾；

判斷準確、快速；保(bao)護(hu)電路(lu)(lu)可靠，不(bu)怕輸出(chu)短路(lu)(lu)；

大鉗口ф125適合各種(zhong)截面(mian)積的動力電纜；

內部具(ju)有大(da)功率(lv)隔離變壓(ya)器，操(cao)作者(zhe)與市(shi)電不存在(zai)任何電氣上的直接接觸。

適用于各種(zhong)類型的高(gao)低壓動力(li)電纜。

極大的保證了人身安全(quan)。

帶電(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)纜(lan)(lan)識別時(shi)不需要斷開各(ge)電(dian)(dian)(dian)(dian)纜(lan)(lan)兩(liang)端與變配電(dian)(dian)(dian)(dian)設備間的連接(jie)，可在電(dian)(dian)(dian)(dian)纜(lan)(lan)處于(yu)(yu)帶電(dian)(dian)(dian)(dian)的狀態下進行在線識別，提高了識別的效率(lv)，大大減(jian)少了由于(yu)(yu)停電(dian)(dian)(dian)(dian)所造成(cheng)的直接(jie)和間接(jie)的經濟損失。