泰州雙作用電氣閥門定位器誠信經(jīng)營無錫市凱爾利科技供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="定位器的輸入信號(hào)是標(biāo)準(zhǔn)電流或電壓信號(hào)，例如，4~20mA電流信號(hào)或1~5V電壓信號(hào)等，在定位器內(nèi)部將電信號(hào)轉(zhuǎn)換為電磁力，然后輸出氣信號(hào)到撥動(dòng)控制閥。智能定位器它將控制室輸出的電流信號(hào)轉(zhuǎn)換成驅(qū)動(dòng)調(diào)節(jié)閥的氣信號(hào)，根據(jù)調(diào)節(jié)閥工作時(shí)閥桿摩擦力，抵消"><meta name="keywords" content="泰州雙作用電氣閥門定位器,閥門定位器"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta 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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_fmpjne/">閥門配件</a>?泰州雙作用電氣閥門定位器誠信經(jīng)營無錫市凱爾利科技供應(yīng)</p><div id="ps38k4j" class="leftbox clearfix"><h1>泰州雙作用電氣閥門定位器誠信經(jīng)營無錫市凱爾利科技供應(yīng)</h1><div id="8rdc3gc" class="proBig"><div id="goaswci" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/kaierli/637332706081562500/622527.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="28nz8uw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/kaierli/637332706081562500/622527.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="x2pwplc" 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>泰州雙作用電氣閥門定位器,閥門定位器</p><p><span>***更新：</span>2020-11-08 07:22:01</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="3ioarmo" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫市凱爾利科技有限公司</a></p><p><span>聯(lián)系人：</span>陳經(jīng)理</p><p><span>郵箱: </span>414323414@qq.com</p><p><span>電話: </span>18118900923</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span>http://www.kerly.com.cn</p><p><span>手機(jī): </span>0510-81150880</p><p><span>地址: </span>梅村工業(yè)集中區(qū)錫鴻路48-2號(hào)樓</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="8e2klc2" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="ks3ag2l" class="box"><p><p style="text-indent:25px">定位器的輸入信號(hào)是標(biāo)準(zhǔn)電流或電壓信號(hào)，例如，4~20mA電流信號(hào)或1~5V電壓信號(hào)等，在定位器內(nèi)部將電信號(hào)轉(zhuǎn)換為電磁力，然后輸出氣信號(hào)到撥動(dòng)控制閥。智能定位器它將控制室輸出的電流信號(hào)轉(zhuǎn)換成驅(qū)動(dòng)調(diào)節(jié)閥的氣信號(hào)，根據(jù)調(diào)節(jié)閥工作時(shí)閥桿摩擦力，抵消介質(zhì)壓力波動(dòng)而產(chǎn)生的不平衡力，泰州雙作用電氣閥門定位器，使閥門開度對(duì)應(yīng)于控制室輸出的電流信號(hào)。并且可以進(jìn)行智能組態(tài)設(shè)置相應(yīng)的參數(shù)，達(dá)到改善控制閥性能的目的。定位器是調(diào)節(jié)閥的主要附件，它接受調(diào)節(jié)器的輸出信號(hào)，泰州雙作用電氣閥門定位器，然后以它的輸出信號(hào)去控制氣動(dòng)調(diào)節(jié)閥，當(dāng)調(diào)節(jié)閥動(dòng)作后，泰州雙作用電氣閥門定位器，閥桿的位移又通過機(jī)械裝置反饋到定位器，閥位狀況可以通過電信號(hào)傳給上位系統(tǒng)。定位器將閥桿位移信號(hào)作為輸入的反饋測量信號(hào)。泰州雙作用電氣閥門定位器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州雙作用電氣閥門定位器,閥門定位器" src="https://tyunfile.71360.com/UploadFile/kaierli/637332706081562500/622527.png"></div><p style="text-indent:25px">定位器具體的作用包括以下這幾點(diǎn)。①定位器一般用于對(duì)調(diào)節(jié)質(zhì)量要求很高的調(diào)節(jié)系統(tǒng)中，主要是為了提高調(diào)節(jié)閥定位和可靠性。也就是說使用了定位器的調(diào)節(jié)閥的定位的精確度和可靠性會(huì)的提高。②如果閥門的兩端的差距比較大的話，可應(yīng)通過使用閥門調(diào)節(jié)器來調(diào)節(jié)。提高了氣源壓力增大執(zhí)行機(jī)構(gòu)的輸出力之后，可以減輕不平衡里，減少行程上產(chǎn)生的誤差。③被調(diào)節(jié)的介質(zhì)如果具備高溫、高壓、有毒、易爆等特性的話，一定要想辦法防止它外漏。一般為了防止外漏會(huì)采用將填料壓的很緊的做法，這樣會(huì)產(chǎn)生閥桿和填料之間產(chǎn)生很大的摩擦力，想要克服這種摩擦力就要使用定位器了。泰州雙作用電氣閥門定位器定位器有手動(dòng)和自動(dòng)之分，各自的效用也是不一樣的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州雙作用電氣閥門定位器,閥門定位器" src="https://tyunfile.71360.com/UploadFile/kaierli/637332706151718750/295265.png"></div><p style="text-indent:25px">定位器的原理：用于閥門兩端壓差大（△p>1MPa）的場合。通過提高氣源壓力增大執(zhí)行機(jī)構(gòu)的輸出力，以克服液體對(duì)閥芯產(chǎn)生的不平衡力，減小行程誤差。當(dāng)被調(diào)介質(zhì)為高溫、高壓、低溫、有毒、易燃、易爆時(shí)，為了防止對(duì)外泄漏，往往將填料壓得很緊，因此閥桿與填料間的摩擦力較大，此時(shí)用定位器可克服時(shí)滯。被調(diào)介質(zhì)為粘性流體或含有固體懸浮物時(shí)，用定位器可以克服介質(zhì)對(duì)閥桿移動(dòng)的阻力。用于大口徑（Dg>100mm）的調(diào)節(jié)閥，以增大執(zhí)行機(jī)構(gòu)的輸出推力。當(dāng)調(diào)節(jié)器與執(zhí)行器距離在60m以上時(shí)，用定位器可克服控制信號(hào)的傳遞滯后，改善閥門的動(dòng)作反應(yīng)速度。</p><p style="text-indent:25px">定位器連鎖動(dòng)作反應(yīng)不是毫秒級(jí)別的，但對(duì)很多過程工業(yè)來說，秒級(jí)的連鎖已經(jīng)足夠了。同時(shí)，對(duì)保護(hù)等級(jí)要求高的毫秒級(jí)連鎖，在設(shè)計(jì)規(guī)定中要單獨(dú)設(shè)置，不允許與控制回路放在一起，所以要求智能定位器的聯(lián)鎖達(dá)到毫秒級(jí)別是沒有實(shí)際意義的。根據(jù)實(shí)際需要，工程設(shè)計(jì)中需要用一個(gè)輸入信號(hào)實(shí)現(xiàn)控制兩臺(tái)或多臺(tái)調(diào)節(jié)閥，這就需要定位器只對(duì)輸入信號(hào)的某個(gè)范圍有響應(yīng)。因此大多數(shù)定位器可以很方便的通過軟件或手動(dòng)設(shè)置分程調(diào)節(jié)的起點(diǎn)和終點(diǎn)。這邊是定位器在工程中的設(shè)計(jì)。定位器可以加快閥桿的移動(dòng)速度,提升閥門的線性度。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="泰州雙作用電氣閥門定位器,閥門定位器" src="https://tyunfile.71360.com/UploadFile/kaierli/637332706130898437/3688617.png"></div><p style="text-indent:25px">定位器閥門動(dòng)作時(shí)帶動(dòng)定位器的反饋桿使擋板朝相反的方向動(dòng)作，當(dāng)擋板兩邊的氣壓相等時(shí)，閥門就不動(dòng)作，這就是需要閥門開度的位置。對(duì)于一個(gè)調(diào)節(jié)閥來說，開度控制信號(hào)、定位器和閥門是構(gòu)成一個(gè)負(fù)反饋回路，受控于控制信號(hào)，閥門動(dòng)作的反饋位置在定位器中得到平衡，閥門的開度就停留在這個(gè)位置。控制信號(hào)的變大或變小，閥門的開度也開大或關(guān)小，這個(gè)平衡點(diǎn)就是由定位器來完成。定位器(一般是氣動(dòng)定位器）是調(diào)節(jié)閥的主要附件，通常與氣動(dòng)調(diào)節(jié)閥配套使用，它接受調(diào)節(jié)器的輸出信號(hào)，然后以它的輸出信號(hào)去控制氣動(dòng)調(diào)節(jié)閥。定位器是控制閥的主要附件，它將閥桿位移信號(hào)作為輸入的反饋測量信號(hào),以控制器輸出信號(hào)作為設(shè)定信號(hào)，進(jìn)行比較，當(dāng)兩者有偏差時(shí)，改變其到執(zhí)行機(jī)構(gòu)的輸出信號(hào)，使執(zhí)行機(jī)構(gòu)動(dòng)作，建立了閥桿位移倍與控制器輸出信號(hào)之間的一一對(duì)應(yīng)關(guān)系。因此，定位器組成以閥桿位移為測量信號(hào)，以控制器輸出為設(shè)定信號(hào)的反饋控制系統(tǒng)。該控制系統(tǒng)的操縱變量是定位器去執(zhí)行機(jī)構(gòu)的輸出信號(hào)。定位器當(dāng)調(diào)節(jié)閥動(dòng)作后，閥桿的位移又通過機(jī)械裝置反饋到定位器，閥位狀況通過電信號(hào)傳給上位系統(tǒng)。定位器整體的結(jié)構(gòu)不是很復(fù)雜，所以維護(hù)起來是比較方便的。泰州雙作用電氣閥門定位器</p><p style="text-indent:25px">定位器通常是與氣動(dòng)調(diào)節(jié)閥配套使用的。泰州雙作用電氣閥門定位器</p><p style="text-indent:25px">定位器的工作原理和系統(tǒng)結(jié)構(gòu)：零點(diǎn)、量程不準(zhǔn)。由于定位器安裝過程中調(diào)試不準(zhǔn)或現(xiàn)場振動(dòng)、溫度變化及調(diào)節(jié)閥閥桿行程改變，反饋桿位置的改變等原因使調(diào)節(jié)閥小開度和大開度與控制室的信號(hào)不一致。致使定位器輸出的信號(hào)不能使調(diào)節(jié)閥全開全關(guān)，造成泄露量大，限量等現(xiàn)象。在對(duì)定位器現(xiàn)場調(diào)校中首先應(yīng)保證調(diào)節(jié)閥動(dòng)作良好，反饋系統(tǒng)安裝牢固動(dòng)作良好，然后通過標(biāo)準(zhǔn)信號(hào)來進(jìn)行調(diào)整。使調(diào)節(jié)閥的行程與控制信號(hào)一致;節(jié)流孔堵塞。贓物堵塞節(jié)流孔。使定位器無輸出信號(hào)，導(dǎo)致調(diào)節(jié)閥不動(dòng)作。泰州雙作用電氣閥門定位器</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1900786.html</p></div></div></div></div></div><div id="8o9p8kb" class="page-right twoColRt"><div id="znelrzq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="83flmde" 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" 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