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src="https://tyunfile.71360.com/UploadFile/kaierli/637340405440742188/4348343.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="xmda72c" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>上海閥門信號反饋器報價,信號反饋器</p><p><span>***更新：</span>2020-09-14 10:12:27</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="cmyfmda" 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: </span>0510-81150880</p><p><span>地址: </span>梅村工業(yè)集中區(qū)錫鴻路48-2號樓</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="rax7fhj" class="page-proshow02"><p class="title">詳細說明</p><div id="aur8ebn" class="box"><p><p style="text-indent:25px">閥門信號反饋器被調(diào)介質(zhì)為高溫、高壓、低溫、有毒、易燃、易爆時，為了防止對外泄漏，往往將填料壓得很緊，因此閥桿與填料間的摩擦力較大，此時用反饋器可克服時滯。被調(diào)介質(zhì)為粘性流體或含有固體懸浮物時，用信號反饋器可以克服介質(zhì)對閥桿移動的阻力。用于大口徑（Dg>100mm）的調(diào)節(jié)閥，以增大執(zhí)行機構(gòu)的輸出推力。當調(diào)節(jié)器與執(zhí)行器距離在60m以上時，用信號反饋器可克服控制信號的傳遞滯后，改善閥門的動作反應(yīng)速度。用來改善調(diào)節(jié)閥的流量特性。一個調(diào)節(jié)器控制兩個執(zhí)行器實行分程控制時，上海閥門信號反饋器報價，可用兩個信號反饋器，上海閥門信號反饋器報價，上海閥門信號反饋器報價，分別接受低輸入信號和高輸入信號，則一個執(zhí)行器低程動作，另一個高程動作，即構(gòu)成了分程調(diào)節(jié)。閥門信號反饋器是化工生產(chǎn)中基本的設(shè)備之一。上海閥門信號反饋器報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海閥門信號反饋器報價,信號反饋器" src="https://tyunfile.71360.com/UploadFile/kaierli/637340405440742188/4348343.png"></div><p style="text-indent:25px">閥門信號反饋器與氣動執(zhí)行機構(gòu)組成一個反饋控制回路，在這個控制回路中，顯示的調(diào)節(jié)閥位置反饋信號作為被控制的變量，與給定信號值在微處理器中作比較，這兩個信號的偏差通過主控板的輸出口，發(fā)出不同長度的脈沖，控制 I/P 轉(zhuǎn)換單元壓力輸出口的壓力輸出,從而驅(qū)動調(diào)節(jié)閥動作。閥門信號反饋器長按功能鍵 MODE，這時顯示器顯示1 CONF, 再按 DOWN 鍵或 UP 鍵，選擇菜單3 AUTE后，短按 MODE 鍵，這時顯示器顯示STEPO，按DOWN 鍵，使執(zhí)行機構(gòu)推桿向下移動,按UP 鍵，使執(zhí)行機構(gòu)推桿向上移動, 按 DOWN 鍵或 UP 鍵使比例臂到達水平位置，這時要求顯示器的顯示值是 50.0±1%，若不是，請撥動大齒輪，把顯示值調(diào)到 50.0±1%。上海閥門信號反饋器報價閥門信號反饋器未加反饋網(wǎng)絡(luò)，即不構(gòu)成環(huán)路（稱為開環(huán)）時，輸入信號直接送入基本放大器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海閥門信號反饋器報價,信號反饋器" src="https://tyunfile.71360.com/UploadFile/kaierli/637340405704970703/3505625.png"></div><p style="text-indent:25px">閥門信號反饋器采用微處理器對給定值和位置反饋作比較。如果微處理器檢測到偏差，它就用一個五步開關(guān)程序來控制壓電閥，壓電閥進而調(diào)節(jié)進入執(zhí)行機構(gòu)氣室的空氣流量。當SIPART PS2 采用二線制連接時，它完全從4 至20mA給定信號中獲取電源。閥門信號反饋器采用適當?shù)陌惭b組件固定到直行程或角行程執(zhí)行機構(gòu)上，執(zhí)行機構(gòu)的直線或轉(zhuǎn)角位移通過安裝的組件檢測并由一個剛性連接的導(dǎo)電塑料電位器轉(zhuǎn)換，裝在直行程執(zhí)行機構(gòu)上的組件檢測得到的角度誤差被自動地校正.微處理器根據(jù)偏差（給定值W 與位置反饋信號X）的大小和方向輸出一個電控指令給壓電閥。壓電閥將控制指令轉(zhuǎn)換為氣動位移增量，當控制偏差很大時（高速區(qū)）。</p><p style="text-indent:25px">閥門信號反饋器的每個微動開關(guān)設(shè)置兩組觸點，一個為常開觸點，一個為常閉觸點；每個微動開關(guān)側(cè)面設(shè)置三根接線，一根作為公共線，一根作為開觸點線，一根為關(guān)觸點線。使用常開還是常閉觸點，根據(jù)控制要求來選擇。閥門信號反饋器接線端子排，通過這些端子實現(xiàn)電源的分配，信號的輸送，相當于檢測儀表的信號接口部分。閥門信號反饋器的接線端子排是閥位回饋器線纜的接線端子，受閥位回饋器空間的制約及接線維護的方便性，回饋器內(nèi)部設(shè)置了一排接線端子，接線端子設(shè)置緊湊，空間狹窄，線纜細弱，接線較多?；仞伷鲀?nèi)兩個微動開關(guān)的觸點接線在出廠時已接到端子排上，現(xiàn)場使用只需按照使用要求把控制室來的信號電纜接好即可。閥門信號反饋器實際上可能就是一個或兩個行程開關(guān)；而位置變送器則指連續(xù)量的位置反饋裝置。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="上海閥門信號反饋器報價,信號反饋器" src="https://tyunfile.71360.com/UploadFile/kaierli/637340405640625000/7311995.png"></div><p style="text-indent:25px">閥門信號反饋器的流量特性接近快開特性，在60%行程前近似為線性,60%后的流量變化不大。閥門信號反饋器氣動形式的隔膜閥尚可附裝反饋信號、限位器及信號反饋器等裝置，以適應(yīng)自控、程控或調(diào)節(jié)流量的需要。氣動隔膜閥的反饋信號采用無觸點傳感技術(shù)。閥門信號反饋器該產(chǎn)品采用薄膜式推進氣缸，替代活塞氣缸，排除了活塞環(huán)易損壞，造成泄漏而導(dǎo)致無法推動閥門啟閉的弊端。當氣源發(fā)生故障時，尚可操作手輪使閥門啟閉。閥門信號反饋器是調(diào)節(jié)閥的主要附件，通常與氣動調(diào)節(jié)閥配套使用，它接受調(diào)節(jié)器的輸出信號，然后以它的輸出信號去控制氣動調(diào)節(jié)閥，當調(diào)節(jié)閥動作后，閥桿的位移又通過機械裝置反饋到閥門信號反饋器，閥位狀況通過電信號傳給上位系統(tǒng)。通過閥位回饋能夠把現(xiàn)場氣動切斷閥的開關(guān)狀態(tài)，通過其內(nèi)部的機械電氣部件轉(zhuǎn)換為電信號。寧波閥門信號反饋器價格</p><p style="text-indent:25px">閥門信號反饋器它將控制室輸出的電流信號轉(zhuǎn)換成驅(qū)動調(diào)節(jié)閥的氣信號，根據(jù)調(diào)節(jié)閥工作時閥桿摩擦力。上海閥門信號反饋器報價</p><p style="text-indent:25px">閥門信號反饋器具有輕巧的特點 , 比其他的材料要節(jié)省材料, 結(jié)構(gòu)簡單, 開閉迅速, 切斷和節(jié)流都能用, 流體阻力小, 操作省力。蝶閥, 可以做成很大口徑。能夠使用蝶閥的地方, 比較好的是不要使閘閥, 因為蝶閥比閘閥經(jīng)濟, 而且調(diào)節(jié)性好。目前, 閥門信號反饋器在熱水管路得到廣fan的使用。閥門信號反饋器工作原理是靠旋轉(zhuǎn)閥戀來使閥門暢通或閉塞。球閥開關(guān)輕便, 體積小, 可以做成很大口徑, 密封可靠, 結(jié)構(gòu)簡單, 維修方便, 密封面與球面常在閉合狀態(tài), 不易被介質(zhì) 沖蝕, 閥門信號反饋器在各行業(yè)得到廣fan的應(yīng)用。閥門信號反饋器是依靠旋塞體繞閥體中心線旋轉(zhuǎn), 以達到開啟與關(guān)閉的目的。它的作用是切斷、分田和改變介質(zhì)流向。結(jié)構(gòu)簡單, 外形尺寸小, 操作時只須旋轉(zhuǎn)90度, 流體阻力也不大。上海閥門信號反饋器報價</p><p style="text-indent:25px">無錫市凱爾利科技有限公司總部位于新吳區(qū)梅村工業(yè)集中區(qū)錫鴻路48-2號，是一家閥門、閥門執(zhí)行器、限位開關(guān)、電磁閥、普通機械配件的生產(chǎn)、銷售；金屬材料及制品、紡織品、五金產(chǎn)品、儀器儀表、**設(shè)備及配件、建材、工藝美術(shù)品、陶瓷制品、塑料制品、玻璃制品的銷售；自營和代理各類商品和技術(shù)的進出口(國家限定公司經(jīng)營或禁止進出口的商品和技術(shù)除外)。(依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動) 的公司。凱爾利科技深耕行業(yè)多年，始終以客戶的需求為向?qū)?，為客戶提?**的氣動執(zhí)行器，限位開關(guān)，電磁閥，過濾減壓器。凱爾利科技繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實現(xiàn)轉(zhuǎn)型再突破。凱爾利科技始終關(guān)注機械及行業(yè)設(shè)備行業(yè)。滿足市場需求，提高產(chǎn)品價值，是我們前行的力量。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1278426.html</p></div></div></div></div></div><div id="g2gsuwi" class="page-right twoColRt"><div id="2tvn3fr" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qzbduwn" class="recomPic 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