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KTDL-520 帶電電纜識別儀

簡(jian)要描(miao)述:產品用途描述
KTDL-520 帶電(dian)(dian)(dian)(dian)(dian)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)識(shi)(shi)(shi)別(bie)儀是用(yong)于在電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)架設(she)、遷(qian)移(yi)維(wei)(wei)護以(yi)(yi)及故障處理中將某特定(ding)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)從(cong)束纜(lan)(lan)中識(shi)(shi)(shi)別(bie)出來的儀器(qi)。電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)識(shi)(shi)(shi)別(bie)儀由(you)個發生(sheng)器(qi),個帶卡鉗的接收(shou)機及連線構成。是電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)架設(she)、遷(qian)移(yi)維(wei)(wei)護、故障處理中用(yong)來識(shi)(shi)(shi)別(bie)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)的運行狀況(kuang),識(shi)(shi)(shi)別(bie)多條同型號電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)中欲尋找(zhao)的電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan),也可以(yi)(yi)準(zhun)確的尋找(zhao)短(duan)(duan)路(lu)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(短(duan)(duan)路(lu)電(dian)(dian)(dian)(dian)(dian)阻(zu)約等于零)的短(duan)(duan)路(lu)點(dian)。具有(you)識(shi)(shi)(shi)別(bie)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)準(zhun)確、快速、操(cao)作簡單、應用(yong)場合(he)寬等特點(dian)。

  • 產品(pin)型(xing)號:
  • 廠商性質:生產廠家
  • 更新時間:2023-09-20
  • 訪  問  量:1105

產(chan)品(pin)用途描述

KTDL-520 帶電電纜(lan)識別儀(yi)是用于在(zai)電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)(lan)架(jia)設、遷移(yi)維護以及(ji)故(gu)障(zhang)處(chu)理中(zhong)將某特定電(dian)(dian)(dian)纜(lan)(lan)(lan)從束纜(lan)(lan)(lan)中(zhong)識別出來的(de)儀(yi)器。電(dian)(dian)(dian)纜(lan)(lan)(lan)識別儀(yi)由(you)個發生(sheng)器,個帶卡鉗的(de)接(jie)收機(ji)及(ji)連線構成。是電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)(lan)架(jia)設、遷移(yi)維護、故(gu)障(zhang)處(chu)理中(zhong)用來識別電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)運行狀況,識別多條同型(xing)號電(dian)(dian)(dian)纜(lan)(lan)(lan)中(zhong)欲(yu)尋找(zhao)的(de)電(dian)(dian)(dian)纜(lan)(lan)(lan),也可以準確的(de)尋找(zhao)短(duan)路電(dian)(dian)(dian)纜(lan)(lan)(lan)(短(duan)路電(dian)(dian)(dian)阻約等于零)的(de)短(duan)路點。具有(you)識別電(dian)(dian)(dian)纜(lan)(lan)(lan)準確、快速、操作簡單、應(ying)用場合寬等特點。

產品特點簡介

帶電(dian)(dian)電(dian)(dian)纜(lan)識(shi)別儀(yi)是用(yong)于在(zai)電(dian)(dian)力電(dian)(dian)纜(lan)架設、遷移維護以及故障處理中將(jiang)某特定電(dian)(dian)纜(lan)從(cong)束纜(lan)中識(shi)別出來的儀(yi)器。由個發生器,個帶卡(ka)鉗(qian)的接(jie)收機及連線構成。
 技(ji)術指標
 儀器供電:電纜帶電識別(bie)儀主機由(you)交流220V供電,接收機由節(jie)9V電池供電。
卡鉗:卡鉗是電流交換器(qi),鉗口(kou)(kou)內口(kou)(kou)尺為(wei)120mm,在卡鉗內感應出電壓,電壓幅度由電流強度決定(ding),其極性(xing)由電流方向決定(ding)。

 

 

、概述

電(dian)(dian)纜(lan)識別儀在電(dian)(dian)力電(dian)(dian)纜(lan)架(jia)設、遷移、維護以及(ji)故(gu)障處理中(zhong)用來(lai)判(pan)別束電(dian)(dian)纜(lan)中(zhong)欲尋找(zhao)的(de)根特(te)(te)定的(de)電(dian)(dian)纜(lan);具有判(pan)別電(dian)(dian)纜(lan)準確、快(kuai)速、操作(zuo)簡單、應用范圍廣(guang)等特(te)(te)點。它是電纜施(shi)工及維護工作(zuo)中*的(de)檢測儀器。

二、儀器主要(yao)特點

本儀(yi)器由電(dian)纜識(shi)別發射機,電(dian)纜識(shi)別接收(shou)機、發射卡(ka)鉗(qian)和(he)接收(shou)卡(ka)鉗(qian)及輸出信(xin)號連接線組(zu)成。它具有(you)大功率電(dian)流脈沖(chong)輸出;現(xian)場接收(shou)信(xin)號特征清晰,輕便靈活,靈敏度高,能有(you)效抑制現(xian)場工頻干擾;判斷準確、快(kuai)速;保護電(dian)路可靠,不(bu)怕輸出短路;大(da)鉗口ф150適(shi)合(he)各種截面積的動力電纜(lan);內部具有(you)大(da)(da)功率隔離(li)變壓器,操作(zuo)者與市電(dian)(dian)(dian)不(bu)存(cun)在任何電(dian)(dian)(dian)氣上的(de)直(zhi)接(jie)接(jie)觸。極大(da)(da)的(de)保證了人身安全(quan)。帶(dai)電(dian)(dian)(dian)電(dian)(dian)(dian)纜(lan)識別時不(bu)需要斷開各電(dian)(dian)(dian)纜(lan)兩端與變配電(dian)(dian)(dian)設備間(jian)的(de)連接(jie),可(ke)在電(dian)(dian)(dian)纜(lan)處于(yu)帶(dai)電(dian)(dian)(dian)的(de)狀態(tai)下進行在線識別,提高了識別的(de)效率,大(da)(da)大(da)(da)減少了由于(yu)停電(dian)(dian)(dian)所造成的(de)直(zhi)接(jie)和間(jian)接(jie)的(de)經濟損失。

本儀器(qi)的zui大特點是(shi):

1、將帶電識(shi)別和(he)不帶電識(shi)別功(gong)能合(he)二為,不僅適合(he)停(ting)運(yun)電纜(lan)的識(shi)別與判斷,而且也適合(he)帶點電纜(lan)的識(shi)別與判斷,操作極(ji)其簡單,使用非常方便。

2、該電(dian)纜識別(bie)(bie)儀與常(chang)規(gui)的(de)(de)(de)識別(bie)(bie)儀不(bu)同,采用了的(de)(de)(de)通(tong)信(xin)(xin)技術,在發(fa)(fa)射端采用單片機技術對發(fa)(fa)射信(xin)(xin)號進(jin)行編碼、功率驅動,將信(xin)(xin)號耦合到電(dian)纜上;接收機中的(de)(de)(de)單片機對接收的(de)(de)(de)相位編碼信(xin)(xin)號解(jie)碼和相位識別(bie)(bie)。根據目(mu)(mu)標電(dian)纜上的(de)(de)(de)信(xin)(xin)號相位特征的(de)(de)(de)*性將目(mu)(mu)標電(dian)纜從大束電(dian)纜中識別(bie)(bie)出來。因(yin)此工作性能(neng)可靠,對超長電纜也能(neng)做到準確判(pan)別(bie),是種輕小型(xing)、緊(jin)湊型(xing)、便攜式儀器。適用于(yu)各種類型(xing)的(de)高低壓動力電纜。

 

二、工作原(yuan)理簡(jian)介

電(dian)(dian)(dian)纜(lan)(lan)(lan)識(shi)(shi)別(bie)(bie)儀的(de)發(fa)射(she)機(ji)(ji)和接(jie)(jie)(jie)收(shou)(shou)(shou)機(ji)(ji)采用單(dan)片(pian)機(ji)(ji)編(bian)碼、解碼技(ji)術和廣(guang)泛應用在通信(xin)(xin)領(ling)域(yu)里的(de)PSK技(ji)術。在發(fa)射(she)卡鉗(qian)上發(fa)射(she)平(ping)均值(zhi)為(wei)0 的(de)相位編(bian)碼信(xin)(xin)號,接(jie)(jie)(jie)收(shou)(shou)(shou)機(ji)(ji)中(zhong)的(de)單(dan)片(pian)機(ji)(ji)對接(jie)(jie)(jie)收(shou)(shou)(shou)的(de)信(xin)(xin)號經過硬(ying)件和軟件的(de)濾(lv)波后(hou),再(zai)進行(xing)相位識(shi)(shi)別(bie)(bie)。將(jiang)發(fa)射(she)卡鉗(qian)和接(jie)(jie)(jie)收(shou)(shou)(shou)卡鉗(qian)的(de)箭頭指向電(dian)(dian)(dian)纜(lan)(lan)(lan)終端,當接(jie)(jie)(jie)收(shou)(shou)(shou)機(ji)(ji)卡鉗(qian)鉗(qian)住某(mou)根電(dian)(dian)(dian)纜(lan)(lan)(lan),接(jie)(jie)(jie)收(shou)(shou)(shou)機(ji)(ji)電(dian)(dian)(dian)流(liu)(liu)表右偏,同時伴有聲光(guang)指示(shi)。而(er)鉗(qian)住其它(ta)的(de)電(dian)(dian)(dian)纜(lan)(lan)(lan),電(dian)(dian)(dian)流(liu)(liu)表左(zuo)偏,電(dian)(dian)(dian)流(liu)(liu)方向與(yu)被(bei)(bei)識(shi)(shi)別(bie)(bie)電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)電(dian)(dian)(dian)流(liu)(liu)方向相反,沒有聲光(guang)指示(shi)。這就(jiu)體現了被(bei)(bei)識(shi)(shi)別(bie)(bie)的(de)目(mu)標電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)*性。很容易將(jiang)被(bei)(bei)識(shi)(shi)別(bie)(bie)電(dian)(dian)(dian)纜(lan)(lan)(lan)從多根電(dian)(dian)(dian)纜(lan)(lan)(lan)中(zhong)做出明(ming)確(que)判別(bie)(bie)。又由于(yu)被(bei)(bei)識(shi)(shi)別(bie)(bie)電(dian)(dian)(dian)纜(lan)(lan)(lan)上的(de)信(xin)(xin)號電(dian)(dian)(dian)流(liu)(liu)強(qiang)度全(quan)線都(dou)是樣的(de),接(jie)(jie)(jie)收(shou)(shou)(shou)卡鉗(qian)在電(dian)(dian)(dian)纜(lan)(lan)(lan)沿線所接(jie)(jie)(jie)收(shou)(shou)(shou)到的(de)電(dian)(dian)(dian)磁信(xin)(xin)號強(qiang)度致,識(shi)(shi)別(bie)(bie)的(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)不(bu)受被(bei)(bei)識(shi)(shi)別(bie)(bie)電(dian)(dian)(dian)纜(lan)(lan)(lan)長度的(de)限制。

三(san)、儀器外形及功能介(jie)紹

() 電(dian)纜識(shi)別儀發射機面板如(ru)圖(tu)3-1所示:

 

 

 

 

 

 

 

 

 

 

圖3-1 識別(bie)儀發射(she)機面(mian)板圖

功能(neng)介紹

1、指示燈(deng):識別儀工作指示燈(deng)。

2、表頭(tou):指示輸出信號電(dian)流的大小(xiao)。

3、電源(yuan)輸(shu)入(ru)(ru)插(cha)座(zuo):用(yong)儀器所配電源(yuan)線(xian),輸(shu)入(ru)(ru)220V、50HZ交(jiao)流(liu)電源(yuan)。儀器使用(yong)時,應(ying)獨立使用(yong)三孔電源(yuan)插(cha)座(zuo),插(cha)座(zuo)接地(di)線(xian)就(jiu)近直接接地(di)。

儀器使用保險絲,損壞(huai)時應換同規(gui)格保險絲。

4、黑(hei)(hei)接線柱:用配(pei)套的黑(hei)(hei)色測試線插(cha)入此插(cha)孔(kong),另端(duan)測試夾接系統地;

紅(hong)接線柱:用配套的(de)(de)紅(hong)色測(ce)試(shi)線插入(ru)此插孔,另端測(ce)試(shi)夾接被測(ce)電纜的(de)(de)芯

線。

5、電源開關:控制整機(ji)電源的通斷。

 

(二)  電纜識別儀接收機面(mian)板示意圖如圖3-2所示:

 

 

 

 

 

 

 

 

 

圖3-2  電纜(lan)識別(bie)儀接收機面板圖

功能介(jie)紹

  1. 表頭:指(zhi)示接收信(xin)號幅度的大小與極性(xing)。
  2. 電源指示燈(deng):電源開關接(jie)通時,指示燈(deng)亮(liang)。
  3. 極性指(zhi)示(shi)燈:當識(shi)別正確(que)時,該指(zhi)示(shi)燈亮。

(呈現出與(yu)發(fa)射機致的周期性亮(liang)、滅           )變化。

4、電源開關(guan):控制接(jie)收(shou)機(ji)內部電源的接(jie)通與關(guan)斷。

四、儀器性能指標

發射機:

1. zui大(da)脈沖峰值輸(shu)出電(dian)流:20A

2.脈沖(chong)重復頻率(lv):1次(ci)/2秒

3.電(dian)源電(dian)壓:AC220V(±10%)

4.重量: 8kg

接收機(ji):

1.接收機靈敏度(du): 40dB

2.電源(yuan):兩節5號電池

3.重量:0.2kg

五(wu)、接線方式

1. 直連法(不帶電(dian)電(dian)纜的識別)

將被識別電纜終(zhong)端(duan)的任意好相(xiang)與系(xi)統(tong)地(di)短接。在(zai)始端(duan)將鋼鎧與系(xi)統(tong)地(di)斷開。

 

 

 

測(ce)(ce)試(shi)步驟   欲識別電纜測(ce)(ce)試(shi)前連線處理

將紅夾(jia)子(zi)線端接(jie)(jie)到發(fa)射機(ji)的紅接(jie)(jie)線柱上(shang),另端接(jie)(jie)被識別(bie)電纜的相線上(shang),黑夾(jia)子(zi)線端接(jie)(jie)到發(fa)射機(ji)的黑接(jie)(jie)線柱上(shang),另端可靠地(di)接(jie)(jie)到系(xi)統地(di)上(shang)。

 

 

 

 

 

 

 

 

 

 

測(ce)試步驟二   測(ce)試前儀器接線(xian)

打開(kai)發(fa)射機電源開(kai)關,觀察電流表指示(shi)。般情況下,表針擺動滿度的(de)2/3即(ji)可。

將卡(ka)鉗卡(ka)在被識別電(dian)纜(lan)上,卡(ka)鉗箭頭指向電(dian)纜(lan)終端,應觀察到接收機電(dian)表指針(zhen)呈現(xian)與發射機電(dian)表指針(zhen)致的(de)周期性擺動,極性指示燈呈現(xian)亮、滅周期性變(bian)化(hua),說明識別系統正常。此時可攜(xie)帶(dai)接收機測試現(xian)場。

在測試現場,用卡(ka)鉗逐(zhu)條(tiao)卡(ka)住(zhu)電(dian)(dian)(dian)纜(lan)(lan)(lan)束(shu)中的(de)每條(tiao)電(dian)(dian)(dian)纜(lan)(lan)(lan)。當卡(ka)住(zhu)某條(tiao)電(dian)(dian)(dian)纜(lan)(lan)(lan)時(shi),(卡(ka)鉗箭頭(tou)(tou)始終(zhong)指向電(dian)(dian)(dian)纜(lan)(lan)(lan)終(zhong)端)接(jie)收機表頭(tou)(tou)順(shun)時(shi)針呈(cheng)周期(qi)性(xing)擺(bai)(bai)動(dong)(dong),極性(xing)指示(shi)燈呈(cheng)現亮、滅(mie)周期(qi)性(xing)變化(hua),此(ci)電(dian)(dian)(dian)纜(lan)(lan)(lan)即為要尋找的(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)。而卡(ka)住(zhu)別的(de)電(dian)(dian)(dian)纜(lan)(lan)(lan),表頭(tou)(tou)呈(cheng)逆時(shi)針周期(qi)性(xing)擺(bai)(bai)動(dong)(dong),但極性(xing)指示(shi)燈不亮。

 

 

 

 

 

 

 

 

 

 

 

測(ce)試步驟三   識別(bie)工(gong)作(zuo)判別(bie)

 

警(jing)告:為確保人身(shen)安全,對(dui)已確定(ding)的(de)電纜,在維修開鋸(ju)前,定(ding)要扎釘試驗(yan)。

 

2、耦合法(帶電識別)

 接發射源:

發(fa)射卡(ka)鉗(qian)(qian)的(de)紅(hong)、黑(hei)兩(liang)個接線插頭接在發(fa)射源(yuan)對(dui)應的(de)兩(liang)個紅(hong)、黑(hei)接線柱上,將(jiang)發(fa)射卡(ka)鉗(qian)(qian)卡(ka)在被識別電(dian)纜(lan)上。發(fa)射卡(ka)鉗(qian)(qian)上的(de)箭(jian)頭指向電(dian)纜(lan)終端。

  核對(dui)方向:

在距發射卡(ka)鉗(qian)(qian)(qian)兩(liang)米(左右)以外的被識別電(dian)纜上(shang),用接(jie)收卡(ka)鉗(qian)(qian)(qian)卡(ka)住該電(dian)纜,其(qi)卡(ka)鉗(qian)(qian)(qian)上(shang)的箭(jian)頭定(ding)要指向(xiang)(xiang)電(dian)纜終(zhong)端。此(ci)時接(jie)收機(ji)電(dian)流表指針(zhen)定(ding)是(shi)向(xiang)(xiang)右偏轉(zhuan),同時有聲光(guang)指示。如果將接(jie)收卡(ka)鉗(qian)(qian)(qian)的箭(jian)頭指向(xiang)(xiang)發射源端,將不會有聲光(guang)提示,而且電(dian)流表頭指針(zhen)向(xiang)(xiang)左偏轉(zhuan)。此(ci)時可將接(jie)收機(ji)拿(na)到現場使用,注意卡(ka)鉗(qian)(qian)(qian)箭(jian)頭方向(xiang)(xiang)始終(zhong)指向(xiang)(xiang)電(dian)纜終(zhong)端。

 識別:

在(zai)識別點,用(yong)接收(shou)卡(ka)鉗對各條電(dian)纜進行(xing)識別。在(zai)進行(xing)識別時,定(ding)要將接收(shou)

卡鉗(qian)上(shang)的(de)箭(jian)頭(tou)(tou)始(shi)終(zhong)指(zhi)向(xiang)(xiang)電纜的(de)終(zhong)端方向(xiang)(xiang),逐條電纜進行卡測(ce)。在被識(shi)別電纜上(shang),接(jie)收機表(biao)(biao)頭(tou)(tou)指(zhi)針(zhen)定是(shi)向(xiang)(xiang)右偏(pian)(pian)轉(zhuan)(zhuan),同時(shi)聲(sheng)(sheng)(sheng)光(guang)報警。而在其余電纜上(shang),接(jie)收機電流表(biao)(biao)頭(tou)(tou)指(zhi)針(zhen)定是(shi)向(xiang)(xiang)左偏(pian)(pian)轉(zhuan)(zhuan),沒有聲(sheng)(sheng)(sheng)光(guang)報警。當接(jie)收卡鉗(qian)卡住某(mou)電纜時(shi),接(jie)收機電流表(biao)(biao)頭(tou)(tou)指(zhi)針(zhen)向(xiang)(xiang)右偏(pian)(pian)轉(zhuan)(zhuan),同時(shi)有聲(sheng)(sheng)(sheng)光(guang)報警提(ti)示的(de),就是(shi)要尋找和識(shi)別的(de)那條電纜。

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    請輸入計算結果(填寫阿(a)拉伯數字),如:三加四=7