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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="uczdeqm" class="twoCol"><div id="jszlik7" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_huagong/">化工</a>?<a href="http://www.cdcfah.com/cp/second-huagong_famenmp/">閥門</a>?<a href="http://www.cdcfah.com/cp/third-famenmp_zhixingqiav/">執(zhí)行器</a>?宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜和諧共贏江蘇蘭閥通用設(shè)備供應(yīng)</p><div id="hqco78v" class="leftbox clearfix"><h1>宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜和諧共贏江蘇蘭閥通用設(shè)備供應(yīng)</h1><div id="o8l8q33" class="proBig"><div id="ws34u99" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lanfatonyon/637418201853805809/8254593.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="i33dzlc" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/lanfatonyon/637418201853805809/8254593.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xdzgnzq" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜,機(jī)構(gòu)</p><p><span>***更新：</span>2021-02-03 11:19:00</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="odfwykm" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇蘭閥通用設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>金</p><p><span>郵箱: </span>81768246@qq.com</p><p><span>電話: </span>13915001988</p><p><span>傳真: </span>0519_</p><p><span>網(wǎng)址: </span>http://www.lanfa.cn</p><p><span>手機(jī): </span>0519-88610258</p><p><span>地址: </span>橫山橋鎮(zhèn)省莊村</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="drtfmdp" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="eo3lcj3" class="box"><p><p style="text-indent:25px">電動執(zhí)行器：分角行程、直行程兩大類。根據(jù)信號制和全行程時間的不同，又分基型品種和多個派生品種。在自動控制系統(tǒng)中，它們和不同型號電動操作器配用，可實(shí)現(xiàn)過程參數(shù)的自動控制，控制系統(tǒng)的手動/自動雙向無擾切換，中途限位及遠(yuǎn)方手操等功能。電動執(zhí)行器由伺服放大器和伺服機(jī)構(gòu)兩大部件配套組成。圖2為電動執(zhí)行器原理框圖。它是一個位置自動控制系統(tǒng)。來自控制儀表的控制信號和由位置發(fā)送器返回的閥位反饋信號的偏差，經(jīng)伺服放大器進(jìn)行功率放大，宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜，然后驅(qū)動伺服電機(jī)，使減速器推動調(diào)節(jié)機(jī)構(gòu)朝減小偏差方向轉(zhuǎn)動，輸出軸好后穩(wěn)定在與控制信號相對應(yīng)的轉(zhuǎn)角位置上，電動操作器的作用是進(jìn)行控制系統(tǒng)的手動/自動切換及遠(yuǎn)方手動操作。執(zhí)行機(jī)構(gòu)帶有斷電源，宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜，宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜、斷氣源、斷電信號的“三斷”自鎖保位功能，使用安全性高。宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜,機(jī)構(gòu)" src="https://tyunfile.71360.com/UploadFile/lanfatonyon/637418201853805809/8254593.png"></div><p style="text-indent:25px">電動執(zhí)行機(jī)構(gòu)自動調(diào)節(jié)方式：當(dāng)電動操作器切換開關(guān)放在“自動”位置時，即處在自動調(diào)節(jié)狀態(tài)，其控制過程如下：當(dāng)輸入信號Iλ1=0（或4mA DC）時,位置發(fā)送器反饋電流I反=0(或4mA DC) ,此時伺服放大器沒有輸出電壓，電機(jī)停轉(zhuǎn)，執(zhí)行機(jī)構(gòu)輸出軸穩(wěn)定在預(yù)選好的零位；當(dāng)輸入信號Iλ1>0（或4mA DC）時，此輸入信號與系統(tǒng)本身的位置反饋電流在伺服放大器的前置級磁放大器中進(jìn)行磁勢的綜合比較，由于這二個信號大小不相等且極性相反就有誤差磁勢出現(xiàn)，從而使伺服放大器有足夠的輸出功率驅(qū)動電機(jī)，執(zhí)行機(jī)構(gòu)輸出軸就朝著減少這個誤差磁勢的方向運(yùn)動，直到輸入信號和位置反饋信號二者相等為止，此時輸出軸就穩(wěn)定在于輸入信號相對應(yīng)的位置上。宜興電動執(zhí)行機(jī)構(gòu)哪家便宜執(zhí)行機(jī)構(gòu)由于流量控制用的執(zhí)行機(jī)構(gòu)中使用了電子部件。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜,機(jī)構(gòu)" src="https://tyunfile.71360.com/WaterMark/UploadFile/lanfatonyon/637418191684469963/9495855.png"></div><p style="text-indent:25px">指示燈故障：1、故障現(xiàn)象:給電動執(zhí)行機(jī)通電后發(fā)現(xiàn)電源指示燈不亮，伺放板無反饋，給信號不動作。故障判斷和檢修過程：因電源指示燈不亮，首先檢查保險(xiǎn)管是否開路，經(jīng)檢查保險(xiǎn)管完好，綜合故障現(xiàn)象，可以推斷故障有可能發(fā)生在伺放板的電源部分，接著檢查電源指示燈，用萬用表檢測發(fā)現(xiàn)指示燈開路，更換指示燈故障排除。結(jié)論:電源指示燈開路會造成整個伺放板不工作。2.故障現(xiàn)象:電動執(zhí)行器的執(zhí)行機(jī)構(gòu)通電后，給信號開可以，關(guān)不動作。故障判斷和檢修過程:先仔細(xì)檢查反饋線路，確認(rèn)反饋信號無故障，給開信號時開指示燈亮，說明開正常，給關(guān)信號時關(guān)指示燈不亮，說明關(guān)可控硅部分有問題，首先檢查關(guān)指示燈，用萬用表檢測發(fā)現(xiàn)關(guān)指示燈開路，將其更換后故障排除。結(jié)論:關(guān)和開指示燈不亮(開路)時可控硅不動作。</p><p style="text-indent:25px">電動執(zhí)行器的要求：（1）對于輸出為轉(zhuǎn)交的執(zhí)行機(jī)構(gòu)要有足夠的轉(zhuǎn)矩，對于輸出為直線位移的執(zhí)行機(jī)構(gòu)要有足夠的力，以便克服負(fù)載的阻力。特別是高溫高壓閥門，其密封填料壓的比較緊，長時間關(guān)閉之后在開啟時往往比正常情況要費(fèi)更大的力，至于動作速度并不一定很高，因?yàn)榱髁空{(diào)節(jié)和控制不需要太快。為了加大輸出轉(zhuǎn)矩或力，電動機(jī)的輸出軸都有減速器，如果電機(jī)本身就是低速的，減速器可以簡單些。（2）減速器或電機(jī)的傳動系統(tǒng)中應(yīng)該有自鎖特性，當(dāng)電機(jī)不轉(zhuǎn)時，負(fù)載的不平衡力（例如閘板閥的自重）不可引起轉(zhuǎn)角或位移的變化。因此往往要用渦輪蝸桿機(jī)構(gòu)或電磁制動器。有了這樣的措施，在意外停電時，閥位就能保持在停電前的位置上。執(zhí)行機(jī)構(gòu)設(shè)計(jì)驅(qū)動元件參數(shù)和機(jī)構(gòu)結(jié)構(gòu)參數(shù)并考慮兩者集成的兩維設(shè)計(jì)空間。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜,機(jī)構(gòu)" src="https://tyunfile.71360.com/UploadFile/lanfatonyon/637418201816764799/54942.png"></div><p style="text-indent:25px">在日常維護(hù)中我們發(fā)現(xiàn)，電動執(zhí)行機(jī)構(gòu)的故障多發(fā)于伺服放大器故障。而伺服放大器是由電器元件組成的電子線路板構(gòu)成，電子元件的質(zhì)量和電路板的可靠性決定了伺服放大器的可靠性。常規(guī)伺服放大器抗干擾的能力普遍不高，電壓的波動、高溫、高粉塵、振動等外部環(huán)境的影響都容易導(dǎo)致伺服放大器故障。針對伺服放大器存在可靠性差的缺點(diǎn)，建議利用DCS來實(shí)現(xiàn)伺服放大器的控制功能。因?yàn)镈CS具有靈活的組態(tài)方法、豐富的軟件功能和很高的可靠性，可自動判斷執(zhí)行機(jī)構(gòu)的狀態(tài)，當(dāng)固態(tài)繼電器擊穿或者閥位反饋信號有誤時能夠使電動執(zhí)行機(jī)構(gòu)保持在原位置，以防止事故的擴(kuò)大化。而且在可靠性方面有了很大程度的提高。執(zhí)行機(jī)構(gòu)和氣動式相比，電動式執(zhí)行機(jī)構(gòu)無需壓縮機(jī)。宜興電動執(zhí)行機(jī)構(gòu)哪家便宜</p><p style="text-indent:25px">執(zhí)行機(jī)構(gòu)必須考慮抗惡劣環(huán)境性能和抗震性能等方面的因素。宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜</p><p style="text-indent:25px">其它：1、故障現(xiàn)象:現(xiàn)場只要送AC220V電源，保護(hù)開關(guān)立即動作(跳閘)執(zhí)行機(jī)構(gòu)伺放保險(xiǎn)已燒。故障判斷和檢修過程:首先用萬用表檢測執(zhí)行機(jī)構(gòu)上的電機(jī)繞組，發(fā)現(xiàn)電機(jī)繞組的電阻趨向于零，說明電機(jī)已短路，再檢測抱閘兩端電阻，電阻趨向于無窮大，說明抱閘已壞，正常應(yīng)是1. 45K左右。好終的處理辦法是:更換新的抱閘和電機(jī)，把伺放板的保險(xiǎn)管裝.上，重新調(diào)試，恢復(fù)正常運(yùn)作。結(jié)論:此情況應(yīng)是由于抱閘壞了之后把電機(jī)抱死而現(xiàn)場沒有及時發(fā)現(xiàn)，使電機(jī)長期處于堵轉(zhuǎn)發(fā)熱，工作好終使電機(jī)相間絕緣破壞所導(dǎo)致的。2、故障現(xiàn)象:執(zhí)行機(jī)構(gòu)的動作方向不受輸入信號的控制。故障判斷和檢修過程:先檢查兩個限流電阻和移相電容均沒有異常，用萬用表檢查電機(jī)的繞組阻值，發(fā)現(xiàn)電機(jī)的電阻值為1. 45MQ (且不時地發(fā)生變化)，說明電機(jī)繞組不對,好終的辦法是更換了這臺電機(jī)。宜興IFB系列智能型電動執(zhí)行器機(jī)構(gòu)哪家便宜</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3143638.html</p></div></div></div></div></div><div id="wu8iu3j" class="page-right twoColRt"><div id="r7oxzqx" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rqxz29u" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 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