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clearfix"><div id="znuwlc3" class="twoCol"><div id="enkhoq3" 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-_dzyqj/">電子元器件</a>?<a href="http://www.cdcfah.com/cp/second-dzyqj_kaiguanck/">開關(guān)</a>?<a href="http://www.cdcfah.com/cp/third-kaiguanck_llkgzu/">流量開關(guān)</a>?插入式流量控制器哪家好歡迎咨詢上海翼爾電子科技供應(yīng)</p><div id="ljl32bc" class="leftbox clearfix"><h1>插入式流量控制器哪家好歡迎咨詢上海翼爾電子科技供應(yīng)</h1><div id="tifheqf" class="proBig"><div id="qp72ivx" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407038595095492/1652032.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="vkrjvcz" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407038595095492/1652032.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="vkmjlsp" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>插入式流量控制器哪家好,流量開關(guān)</p><p><span>***更新：</span>2021-02-05 08:16:42</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wlifcol" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海翼爾電子科技有限公司</a></p><p><span>聯(lián)系人：</span>趙“S</p><p><span>郵箱: </span>yeertec@163.com</p><p><span>電話: </span>13361991561</p><p><span>傳真: </span>021_57155131</p><p><span>網(wǎng)址: </span>http://www.yeer-tec.com</p><p><span>手機(jī): </span>021-57488360</p><p><span>地址: </span>海灣旅游區(qū)莘奉公路4960號110室</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="nc2yvsj" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="lfxumo8" class="box"><p><p style="text-indent:25px">壓差式流量開關(guān)的設(shè)計原理是根據(jù)HVAC設(shè)備的阻力和流量的曲線來設(shè)計的。往往根據(jù)HVAC設(shè)備的原理可以看到壓差式流量開關(guān)的工作原理。HVAC設(shè)備的換熱器有其阻力與流量的性能曲線，插入式流量控制器哪家好，通過檢測其兩端的進(jìn)出水壓差，并與該裝置的預(yù)先設(shè)定值進(jìn)行比較，就可以準(zhǔn)確控制流量。流量開關(guān)有多種，分別是，壓差式和靶式流量開關(guān)，然而兩者相比，壓差式流量開關(guān)是一種精確的流量控制方式，插入式流量控制器哪家好，它具有準(zhǔn)確的流量控制值，插入式流量控制器哪家好。它直接安裝在機(jī)組內(nèi)，避免用戶安裝不正確的情況出現(xiàn)。如果在機(jī)組內(nèi)安裝從壓差開關(guān)連接兩根銅管至換熱器的進(jìn)出口，測量其進(jìn)出口的壓差，即反映出流量。而用戶現(xiàn)場不需要安裝和接線，也就避免了靶式水流開關(guān)的安裝不準(zhǔn)確導(dǎo)致機(jī)組故障的隱患。水流量開關(guān)的靶片不可以與其他節(jié)流器相接觸，不然會導(dǎo)致控制器不能復(fù)位。插入式流量控制器哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="插入式流量控制器哪家好,流量開關(guān)" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407038595095492/1652032.png"></div><p style="text-indent:25px">壓差式流量開關(guān)防凍的解決方法:建議用戶在北方地區(qū)使用時從換熱器到壓差式流量開關(guān)的連接銅管盡可能短，連接銅管和銅質(zhì)殼體纏繞電加熱線，電加熱線10W 15W/米，電熱線材質(zhì)與壓縮機(jī)曲軸箱加熱器相同形狀類似電線，電加熱線外也可以外套絕緣熱收縮管以增加電氣可靠性。電加熱線纏好后外面再對連接銅管和銅質(zhì)殼體進(jìn)行保溫，保溫厚度比較好在10mm以上，保溫板比較好全部貼不要有遺漏。通過這樣處理好后，然后將電加熱線與曲軸箱加熱帶并聯(lián)在一起。注意電源電壓要一致才行，即只有待機(jī)時電加熱線才工作，對于要求高的也可以在控制板上增加一個輸出當(dāng)室外溫度或水溫低于2℃時啟動電加熱線，也可以通過一個溫控器控制電加熱線。插入式流量控制器哪家好壓差式流量開關(guān)采用壓差式流量控制原理，可以精確檢測流量且不受現(xiàn)場安裝情況的影響。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="插入式流量控制器哪家好,流量開關(guān)" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407038577058188/1664616.png"></div><p style="text-indent:25px">流量開關(guān)的環(huán)境方面通常主要是管道雜散電流干擾，空間強(qiáng)電磁波干擾，大型電機(jī)磁場干擾等。管道雜散電流干擾通常采取良好的單獨(dú)接地保護(hù)就可獲得滿意結(jié)果，但如遇到強(qiáng)大的雜散電流（如電解車間管道，有時在兩電極上感應(yīng)的交流電勢峰值Vpp可高達(dá)1V），尚需采取另外措施和流量傳感器與管道絕緣等?？臻g電磁波干擾一般經(jīng)信號電纜引入，通常采用單層或多層屏蔽予以保護(hù)。被測液體中含有均勻分布的微小氣泡通常不影響電磁流量計的正常工作，但隨著氣泡的增大，儀表輸出信號會出現(xiàn)波動，若氣泡大到足以遮蓋整個電極表面時，隨著氣泡流過電極會使電極回路瞬間斷路而使輸出信號出現(xiàn)更大的波動。低頻方波勵磁的電磁流量計測量固體含量過多漿液時，也將產(chǎn)生漿液噪聲，使輸出信號產(chǎn)生波動。測量混合介質(zhì)時，如果在混合未均勻前就進(jìn)入流量傳感進(jìn)行測量，也將使輸出信號產(chǎn)生波動。電極材料與被測介質(zhì)選配不當(dāng)，也將由于化學(xué)作用或極化現(xiàn)象而影響正常測量。流量開關(guān)FCS應(yīng)根據(jù)儀表選用或有關(guān)手冊正確選配電極材料。</p><p style="text-indent:25px">水流量開關(guān)工作原理當(dāng)水流開關(guān)內(nèi)有水流動，水流量≥1.0L/min時，水流開關(guān)內(nèi)的磁芯受水流推動產(chǎn)生位移，磁芯位移帶動磁源產(chǎn)生磁控作用使水流開關(guān)輸出“通”信號。流量開關(guān)快易優(yōu)自動化選型有收錄，該信號輸入設(shè)備控制系統(tǒng)，經(jīng)控制系統(tǒng)實(shí)現(xiàn)控制作用，當(dāng)水流量小于啟動流量時，水流開關(guān)輸出“斷”的信號?？刂葡到y(tǒng)產(chǎn)生與上述相反的控制作用。換句話說就是：水流開關(guān)當(dāng)管路中的水流量大于1L/min流量時，磁芯在水流作用下產(chǎn)生位移并帶動磁源產(chǎn)生磁控作用使傳感器輸出"1"開關(guān)信號,該信號輸入到設(shè)備控制系統(tǒng)，經(jīng)功率擴(kuò)放大后實(shí)現(xiàn)以水流量控制的目的。當(dāng)管路中的水流量小于1L/min流量后，磁芯在復(fù)位彈簧推力作用下帶動磁源回位，使傳感器輸出"0"開關(guān)信號,停止系統(tǒng)的工作。流量開關(guān)具有靈敏度高、耐久性強(qiáng)等優(yōu)點(diǎn) 。感應(yīng)形式的流量開關(guān)主要是指熱式流量開關(guān)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="插入式流量控制器哪家好,流量開關(guān)" src="https://tyunfile.71360.com/UploadFile/yierdianzi/637407038603249592/7809358.png"></div><p style="text-indent:25px">水流開關(guān)流量保護(hù)值的調(diào)整：在通常情況下，其流量保護(hù)值在工廠已經(jīng)標(biāo)定好不需再做調(diào)整。如果現(xiàn)場不得不調(diào)整，可以將調(diào)節(jié)螺絲蓋板用力向上移動，露出“+”字螺絲帽；然后打開蓋板，擰松接線盒上部的“+”字螺絲，然后用小號的“+”字螺絲刀擰露出的螺絲帽即可調(diào)節(jié)流量設(shè)定值，順時針調(diào)節(jié)減少流量設(shè)定值，逆時針增加流量設(shè)定值；接線盒內(nèi)部，微動開關(guān)組件向右滑動減少流量設(shè)定值，向左滑動增加流量設(shè)定值，但向左滑動過多將可能導(dǎo)致流量開關(guān)斷開而不能閉合。調(diào)整好后將接線盒內(nèi)的“+”字螺絲鎖緊，蓋上前蓋板和側(cè)蓋板即可。水流量開關(guān)下方裝有快速閉合閥，必須使用合適的節(jié)流器，以防水流沖擊。插入式流量控制器哪家好</p><p style="text-indent:25px">感應(yīng)形式的流量開關(guān)的開關(guān)點(diǎn)重復(fù)性好，過載能力強(qiáng)。插入式流量控制器哪家好</p><p style="text-indent:25px">擋板式流量開關(guān)的安裝須知：1.安裝時管道中的水流方向一定要和水流開關(guān)上塑料殼體上的箭頭方向一致，否則水流開關(guān)無法工作。2.切勿用手及工具扳動黑色儀表外殼，造成內(nèi)部元器件損傷，水流開關(guān)將無法進(jìn)行工作。3.安裝位置一般安裝在水泵出水口到設(shè)備出水口的這段管路中，不要安裝在水泵的吸入口的管路上，這樣容易致使水泵無法正常吸水，水流開關(guān)也無法打開。4.允許將擋板式水流開關(guān)進(jìn)行水平或垂直安裝，但塑料接線盒不能在下，即不能倒置。5.擋板式流量開關(guān)一定要安裝到一段直管段上，其兩邊要滿足有5倍管徑的直管段。插入式流量控制器哪家好</p></p><br /><p>文章來源地址: 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