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<div id="ek2waqc" class="inside_rnewtime">點(diǎn)擊次數：1193 更新時(shí)間：2021-03-20</div> <div id="2uasiyw" class="inside_rnewcon"><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none;">地下管線(xiàn)探測儀接收機用途： </strong> </p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 接收機用于對地下管線(xiàn)、電纜的定位，地下管線(xiàn)的埋土深度的測量以及管中電流測量。多種頻率和工作模式能夠滿(mǎn)足各種環(huán)境和各種管線(xiàn)探測的需求。模式鍵用來(lái)選擇接收機的工作模式，用于管線(xiàn)定位。定位過(guò)程中一般先用峰值法進(jìn)行測量。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242); text-align: center;"><img alt="地下管線(xiàn)探測儀現場(chǎng)探測" src="http://www.yuangedq.com/upfile/201911/2019112334677337.jpg" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; vertical-align: baseline; outline: none; font-size: 12px;" title="地下管線(xiàn)探測儀現場(chǎng)圖" /></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> <strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none;"> 注意事項：</strong></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 1、為了測得的埋深值，接收機必須保持在垂直于管道的位置工作。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 2、為了提高深度測量的精度，在測深時(shí)不要在谷值模式下進(jìn)行，建議切換到寬峰模式下進(jìn)行管線(xiàn)埋深測量。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none;"> 發(fā)射機用途：</strong></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 發(fā)射機用于將所選擇的特定頻率的信號施加到目標管線(xiàn)上，可以通過(guò)直接連接法和感應法來(lái)施加信號。發(fā)射機具有功率大，測量距離遠，自動(dòng)阻抗匹配，自動(dòng)測量管線(xiàn)接地電阻等特點(diǎn)。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242); text-align: center;"><img alt="地下管線(xiàn)探測儀感應法" src="http://www.yuangedq.com/upfile/201911/2019112334467925.png" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; vertical-align: baseline; outline: none; font-size: 12px;" title="地下管線(xiàn)探測儀感應法" /></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"><strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none;"> 自檢方式：</strong></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 1、工頻法工作方式檢查：按下頻率鍵選擇 50Hz 的工作頻率，調節靈敏度，從 1 米以外把接收機指向日光燈，打開(kāi)日光燈應該聽(tīng)到很強的信號音，顯示器會(huì )有很強的顯示指示。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 2、感應法工作方式檢查：選擇一個(gè)沒(méi)有干擾的地方，把發(fā)射機按正常的方位放在地面上，打開(kāi)發(fā)射機，調節好輸出功率百分比和頻率。然后把接收機（離發(fā)射機 5 米左右）寬面對準發(fā)射機，并保持與發(fā)射機相同的頻率，把靈敏度調節到足夠大時(shí)接收機應該有信號響應。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 3、夾鉗法：當外接夾鉗插入發(fā)射機輸出接口按下開(kāi)鍵時(shí)，發(fā)射機自動(dòng)選擇33KHz 的頻率，把夾鉗夾在目標管線(xiàn)上，調節好發(fā)射機功率。打開(kāi)接收機，選擇33KHz 的頻率，沿著(zhù)管線(xiàn)的路由接收機應該有信號響應。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 4、測深功能檢查：選擇一個(gè)沒(méi)有金屬結構和其他被探測管線(xiàn)的地區，將一根大于 20 米的絕緣電纜或導線(xiàn)放置在地面上，遠端連在接地棒上或直接接地，近端連接到輸出線(xiàn)的紅線(xiàn)（黑線(xiàn)接地），并將輸出線(xiàn)插入發(fā)射機的輸出插孔。打開(kāi)發(fā)射機，調整好輸出信號，用接收機在長(cháng)導線(xiàn)上方已知高度處進(jìn)行深度測量。此時(shí)接收機就垂直放置在導線(xiàn)正上方，長(cháng)導線(xiàn)中部，即距發(fā)射機 10 米。在不同的高度進(jìn)行深度測量，結果與已知高度比較，即可校準深度（注意如果附近有金屬物體會(huì )影響其準確性）</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> <strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none;">地下管線(xiàn)探測儀場(chǎng)源有被動(dòng)源和主動(dòng)源兩種工作方式：</strong></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 被動(dòng)源工作方式用來(lái)搜索一個(gè)區域內未知的電力電纜或者施加有陰極保護信號的地下管道以及能感應到無(wú)線(xiàn)電頻率的金屬管線(xiàn)，主動(dòng)源工作方式用來(lái)追蹤和定位區域內管線(xiàn)信號。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 1.被動(dòng)源工頻法工作方式不需要發(fā)射機，它可以搜索出一個(gè)未知區域內的電力電纜。打開(kāi)接收機，選擇接收機工作頻率為 50Hz，調節增益得到一個(gè)合適的讀數并選擇值法或極小值法，以網(wǎng)格搜索方式在一個(gè)區域內來(lái)回搜索。提著(zhù)接收機平穩地行走，使機身面與移動(dòng)方向成一直線(xiàn)且盡可能與通過(guò)的管線(xiàn)呈直角狀態(tài)，不要弧形擺動(dòng)，因為這樣會(huì )產(chǎn)生一些誤導信號。當接收機響應顯示有異常時(shí)，立即停下，定位管線(xiàn)的位置并做好標記。對穿出搜索區域范圍的某條管線(xiàn)亦需進(jìn)行追蹤和標記。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 2.被動(dòng)源陰極保護電流（CPS）信號法工作方式不需要發(fā)射機，它可以它可以搜索出一個(gè)未知區域內的施加有外加電流陰極保護的地下金屬管道。打開(kāi)接收機，選擇接收機工作頻率為 CPS，使用方法與工頻法相同。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 3.無(wú)線(xiàn)電頻率探測模式：無(wú)線(xiàn)電頻率探測方式，主要應用于能感應到無(wú)線(xiàn)電頻率的金屬管線(xiàn)探測。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242); text-align: center;"><img alt="放置示意圖" src="http://www.yuangedq.com/upfile/201911/2019112334485397.png" style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-weight: inherit; font-stretch: inherit; line-height: inherit; vertical-align: baseline; outline: none; font-size: 12px;" title="放置示意圖" /></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> <strong style="margin: 0px; padding: 0px; border: 0px; font-style: inherit; font-variant: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none;">地下管線(xiàn)探測儀接收探測方式：</strong></p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);"> 地下管線(xiàn)探測儀接收機用于對目標管線(xiàn)的定位、定深和測量目標管線(xiàn)中的電流。當發(fā)射機的信號成功地施加到目標管線(xiàn)上以后便可以用接收機探測目標管線(xiàn)的位置、走向、深度。位置和埋深是地下管線(xiàn)的重要資料，因此對管線(xiàn)定位和定深是地下管線(xiàn)探測工作中重要的環(huán)節。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">1、管線(xiàn)定位</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">用接收機探測目標管線(xiàn)的位置時(shí)，需要隨時(shí)注意可能干擾定位精度的因素，防止發(fā)射機信號偶合到相鄰管線(xiàn)，使探測結果出現偏差。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">(1)準備工作:</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">1)檢查電源電壓: 打開(kāi)接收機，檢查電池電壓，電量不足時(shí)需要先充足電后使用。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">2)頻率選擇：按動(dòng)頻率鍵，將接收機頻率設定在所需的頻率。如果采用主動(dòng)源模式，接收機的頻率應與發(fā)射機一致。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">3)靈敏度設置：調節上升鍵或下降鍵來(lái)增加或減小接收機增益，使條形圖讀數位于整個(gè)量程的 60-80％處。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">4)工作模式選擇：按動(dòng)模式鍵，根據需要選擇合適的工作模式。地下管線(xiàn)探測儀接收機提供了峰值模式、寬峰模式、寬峰箭頭模式和谷值模式四種探測模式。</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">(2)峰值(大值)法</p><p style="margin: 0px; padding: 0px; border: 0px; font-variant-numeric: inherit; font-variant-east-asian: inherit; font-stretch: inherit; line-height: 24px; vertical-align: baseline; outline: none; font-family: "microsoft yahei"; font-size: 14px; background-color: rgb(242, 242, 242);">峰值法響應模式采用單水平天線(xiàn)（寬峰）或雙水平天線(xiàn)接收目標管線(xiàn)信號的水平分量，接收機在目標管線(xiàn)正上方得到大值響應。單水平天線(xiàn)寬峰模式用在定位較深的管線(xiàn)，探測的信號靈敏度。接收機在被探測管線(xiàn)的正上方時(shí)，信號強度大，響應范圍寬，定位精度比其它方式要低。雙水平天線(xiàn)峰值法比單水平天線(xiàn)寬峰模式具有更陡的峰值響應，測量位置相對準確,信號強度較弱。接收機在被定位管線(xiàn)正上方時(shí)，信號強度達到峰值。</p></div> <div id="u2qo2y2" class="inside_newsthree"> <p id="newsprev">上一篇：<b class="newsprev"><a href="/Article-2584777.html">電纜故障定位儀功能特點(diǎn)</a></b></p> <p id="newsnext">下一篇：<b class="newsnext"><a href="/Article-2584773.html">電纜故障測試儀使用方法說(shuō)明</a></b></p> <span><a href="/article.html">返回列表>></a></span> </div> </div> </div> </div> </div>    <div class="ooui2mc" id="z_Footer"> <div id="0asm2m0" class="pz_down"> <div id="oewaees" class="w_1200"> <div id="iw2wcc2" class="footT"> <div id="s2agymm" class="footAddr"> <div id="os0s0y2" class="footTit">上?？档请姎饪萍加邢薰?/div> <div id="cqg0sec" class="dAddr"><img class="ico" src="/Skins/329197/images/icon_foot1.png">地址：上海市普陀區金通路1118弄6號</div> <div id="eq2ewka" class="dAddr"><img 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