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id="scew2ds" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252613172295/4904474.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="azb7n7z" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252613172295/4904474.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="eyfcubt" 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>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>電子液位開(kāi)關(guān)定制,電子</p><p><span>***更新：</span>2020-12-22 03:11:27</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="hli7eem" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海油威液壓成套設(shè)備有限公司</a></p><p><span>聯(lián)系人：</span>楊海</p><p><span>郵箱: </span>69800595@qq.com</p><p><span>電話: </span>15821141338</p><p><span>傳真: </span>021_33656072</p><p><span>網(wǎng)址: </span>http://koto-sh.com.cn</p><p><span>手機(jī): </span>021-33656071</p><p><span>地址: </span>金海公路3265號(hào)18幢7層</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="c7lnzwi" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="rbdqikr" class="box"><p><p style="text-indent:25px">電子壓力開(kāi)關(guān)的工作原理：是當(dāng)系統(tǒng)內(nèi)壓力高于或低于額定的安全壓力時(shí)，感應(yīng)器內(nèi)碟片瞬時(shí)發(fā)生移動(dòng)，通過(guò)連接導(dǎo)桿推動(dòng)開(kāi)關(guān)接頭接通或斷開(kāi)，當(dāng)壓力降至或升額定的恢復(fù)值時(shí)，碟片瞬復(fù)位，開(kāi)關(guān)自動(dòng)復(fù)位，或者簡(jiǎn)單的說(shuō)是當(dāng)被測(cè)壓力超過(guò)額定值時(shí)，彈性元件的自由端產(chǎn)生位移，直接或經(jīng)過(guò)比較后推動(dòng)開(kāi)關(guān)元件，電子液位開(kāi)關(guān)定制，電子液位開(kāi)關(guān)定制，改變開(kāi)關(guān)元件的通斷狀態(tài)，電子液位開(kāi)關(guān)定制，達(dá)到控制被測(cè)壓力的目的。電子壓力開(kāi)關(guān)采用的彈性元件有單圈彈簧管、膜片、膜盒及波紋管等。開(kāi)關(guān)元件有磁性開(kāi)關(guān)、**開(kāi)關(guān)、微動(dòng)開(kāi)關(guān)等。電子渦街流量傳感器主要用于工業(yè)管道介質(zhì)流體的流量測(cè)量。電子液位開(kāi)關(guān)定制</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子液位開(kāi)關(guān)定制,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252613172295/4904474.png"></div><p style="text-indent:25px">電子壓力傳感器在液壓系統(tǒng)中主要是來(lái)完成力的閉環(huán)控制。當(dāng)控制閥芯突然移動(dòng)時(shí)，在極短的時(shí)間內(nèi)會(huì)形成幾倍于系統(tǒng)工作壓力的尖峰壓力。在典型的行走機(jī)械和工業(yè)液壓中，如果設(shè)計(jì)時(shí)沒(méi)有考慮到這樣的極端工況，任何壓力傳感器很快就會(huì)被破壞。需要使用抗沖擊的壓力傳感器，壓力傳感器實(shí)現(xiàn)抗沖擊主要有2種方法，一種是換應(yīng)變式芯片，另一種方法是外接盤管，一般在液壓系統(tǒng)中采用第1種方法，主要是因?yàn)榘惭b方便。此外還有一個(gè)原因是壓力傳感器還要承受來(lái)自液壓泵不間斷的壓力脈動(dòng)。四川電子數(shù)顯壓力開(kāi)關(guān)售價(jià)電子開(kāi)關(guān)的信號(hào)自動(dòng)分段技術(shù)是經(jīng)過(guò)對(duì)現(xiàn)場(chǎng)信號(hào)多次模型分析的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子液位開(kāi)關(guān)定制,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252991326018/4563578.png"></div><p style="text-indent:25px">電子壓力傳感器正確安裝方法：(1) 通過(guò)適當(dāng)?shù)膬x表，在普通大氣壓和標(biāo)準(zhǔn)溫度條件下，核實(shí)壓力傳感器的頻率反應(yīng)值。(2) 核實(shí)壓力傳感器的編碼與相應(yīng)的頻率反應(yīng)信號(hào)的正確性。2. 確定具體安裝位置，為了確定壓力傳感器的編號(hào)和具體安裝位置，需按充氣網(wǎng)的各個(gè)充氣段來(lái)考慮：(1) 壓力傳感器必須沿著線纜進(jìn)行安裝，較好安裝在線纜接頭處。(2) 每條線纜裝設(shè)壓力傳感器不少于4個(gè)，靠近電話局的兩個(gè)壓力傳感器，相距不應(yīng)大干200m。(3) 每條線纜的始端和末端分別安裝1個(gè)。(4) 每條線纜的分支點(diǎn)應(yīng)裝1個(gè)，如果兩個(gè)分支點(diǎn)相距較近(小于100 m)，可只裝1個(gè)。(5) 線纜敷設(shè)方式(架空、地下)改變處應(yīng)裝1個(gè)。(6) 對(duì)無(wú)分支的線纜，因壘線的線纜程式一致，壓力傳感器的安裝隔距不大干500m，并使其總數(shù)不少于4個(gè)。(7) 為了便于確定壓力傳感器故障點(diǎn)，除在起點(diǎn)安裝壓力傳感器外，距起點(diǎn)150~200m處，還要另外安裝1個(gè)當(dāng)然在設(shè)計(jì)中，一定要考慮經(jīng)濟(jì)與技術(shù)的因素，在不需要安裝壓力傳感器的地方，則應(yīng)不必安裝。</p><p style="text-indent:25px">電子開(kāi)關(guān)的關(guān)鍵技術(shù)：模型識(shí)別技術(shù)，油泵入口壓力較低時(shí)會(huì)對(duì)葉輪產(chǎn)生氣蝕造成輸油泵的損壞，因此輸油站設(shè)置有壓力調(diào)節(jié)系統(tǒng)并在進(jìn)站及泵入口安裝了壓力開(kāi)關(guān)，當(dāng)進(jìn)站壓力較低時(shí)調(diào)節(jié)系統(tǒng)首先進(jìn)行調(diào)節(jié)，當(dāng)自動(dòng)調(diào)節(jié)系統(tǒng)調(diào)節(jié)后進(jìn)站壓力若繼續(xù)下降，達(dá)到壓力開(kāi)關(guān)動(dòng)作值時(shí)就會(huì)進(jìn)行甩泵從而達(dá)到保護(hù)輸油泵的目的。但實(shí)際運(yùn)行情況表明當(dāng)發(fā)生異常情況時(shí)，由于自動(dòng)調(diào)節(jié)系統(tǒng)存在滯后，未等自動(dòng)調(diào)節(jié)系統(tǒng)發(fā)揮作用壓力開(kāi)關(guān)就產(chǎn)生動(dòng)作造成甩泵。突然甩泵給輸油設(shè)備造成的危害比短時(shí)間泵入口壓力**造成的危害還要大。合理的選擇是依據(jù)泵站實(shí)際情況建立泵入口壓力允許模型，壓力開(kāi)關(guān)依據(jù)該模型進(jìn)行識(shí)別，決定是否甩泵。電子壓力開(kāi)關(guān)要盡量減少?gòu)耐饨缫氲母蓴_信號(hào)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="電子液位開(kāi)關(guān)定制,電子" src="https://tyunfile.71360.com/UploadFile/shyouwei/637393252733572709/1001067.png"></div><p style="text-indent:25px">電子壓力傳感器(Pressure Transducer)是能感受壓力信號(hào)，并能按照一定的規(guī)律將壓力信號(hào)轉(zhuǎn)換成可用的輸出的電信號(hào)的器件或裝置。電子壓力傳感器通常由壓力敏感元件和信號(hào)處理單元組成。按不同的測(cè)試壓力類型，壓力傳感器可分為表壓傳感器、差壓傳感器和絕壓傳感器。電子壓力傳感器是工業(yè)實(shí)踐中較為常用的一種傳感器，其普遍應(yīng)用于各種工業(yè)自控環(huán)境，涉及水利水電、鐵路交通、智能建筑、生產(chǎn)自控、航空航天、**、石化、油井、電力、船舶、機(jī)床、管道等眾多行業(yè)。電子壓力開(kāi)關(guān)通常用于機(jī)械工程中。電子液位開(kāi)關(guān)定制</p><p style="text-indent:25px">電子壓力開(kāi)關(guān)尤其用于液壓缸的壓力測(cè)試中，并可以通過(guò)各個(gè)開(kāi)關(guān)點(diǎn)調(diào)節(jié)不同的負(fù)載測(cè)試。電子液位開(kāi)關(guān)定制</p><p style="text-indent:25px">目前使用的壓力開(kāi)關(guān)存在如下問(wèn)題：（1）工作不可靠在對(duì)進(jìn)站壓力開(kāi)關(guān)進(jìn)行校驗(yàn)時(shí)多次發(fā)現(xiàn)，當(dāng)給定壓力低于設(shè)定壓力時(shí)，壓力開(kāi)關(guān)仍不動(dòng)作，當(dāng)用物體敲擊時(shí)又恢復(fù)正常。（2）誤動(dòng)作用戶反應(yīng)曾多次發(fā)生當(dāng)管線內(nèi)壓力產(chǎn)生輕微波動(dòng)時(shí)造成甩泵。致使某些壓力開(kāi)關(guān)長(zhǎng)期不能投用，使輸油泵失去應(yīng)有的保護(hù)，帶來(lái)不安全因素。（3）精度低、校準(zhǔn)難在校驗(yàn)時(shí)需反復(fù)進(jìn)行試驗(yàn)才能確定設(shè)定值。（4）密閉流程解除后由于進(jìn)站壓力較低，使壓力開(kāi)關(guān)無(wú)法使用。為解決現(xiàn)有壓力開(kāi)關(guān)存在的這些問(wèn)題，研制高可靠性、高精度和智能電子壓力開(kāi)關(guān)十分必要。電子液位開(kāi)關(guān)定制</p><p style="text-indent:25px">上海油威液壓成套設(shè)備有限公司致力于機(jī)械及行業(yè)設(shè)備，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。上海油威液壓擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供液壓系統(tǒng)，液壓元件，液壓油缸。上海油威液壓致力于把技術(shù)上的創(chuàng)新展現(xiàn)成對(duì)用戶產(chǎn)品上的貼心，為用戶帶來(lái)良好體驗(yàn)。上海油威液壓始終關(guān)注自身，在風(fēng)云變化的時(shí)代，對(duì)自身的建設(shè)毫不懈怠，高度的專注與執(zhí)著使上海油威液壓在行業(yè)的從容而自信。</p></p><br /><p>文章來(lái)源地址: 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