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href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_yyjyyj/">液壓機(jī)械與元件</a>?<a href="http://www.cdcfah.com/cp/third-yyjyyj_qtyyjjzpj/">其他液壓機(jī)械及組配件</a>?無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā) 值得信賴(lài) 江蘇中徽測(cè)控儀表供應(yīng)</p><div id="qrskw7y" class="leftbox clearfix"><h1>無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā) 值得信賴(lài) 江蘇中徽測(cè)控儀表供應(yīng)</h1><div id="b7fcu9a" class="proBig"><div id="s43pbl7" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175712901152/3931401.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="z984jyf" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/jszhck/637412175712901152/3931401.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="e4jacby" 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>無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā),雷達(dá)料位計(jì)</p><p><span>***更新：</span>2021-01-02 00:19:55</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="wc8dpry" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測(cè)控儀表有限公司</a></p><p><span>聯(lián)系人：</span>姜經(jīng)理</p><p><span>郵箱: </span>jszhck@163.com</p><p><span>電話: </span>13770424300</p><p><span>傳真: </span>0517_86903470</p><p><span>網(wǎng)址: </span>http://www.jszhckyb.com</p><p><span>手機(jī): </span>0517-86900078</p><p><span>地址: </span>江蘇省淮安市金湖縣工業(yè)集中區(qū)A區(qū)3號(hào)</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="io8tfh8" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="bhtvcov" class="box"><p><p> 雷達(dá)料位計(jì)的基本原理。 </p> <p> 雷達(dá)式料位計(jì)組成：它主要由發(fā)射和接收裝置、信號(hào)處理器、天線、操作面板、顯示，無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā)、故障報(bào)警等幾部分組成。 </p> <p> 發(fā)射－反射－接收是雷達(dá)式料位計(jì)工作的基本原理，無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā)。雷達(dá)傳感器的天線以波束的形式發(fā)射小5.8GHz的雷達(dá)信號(hào)。反射回來(lái)的信號(hào)仍由天線接收，雷達(dá)脈沖信號(hào)從發(fā)射到接收的運(yùn)行時(shí)間與傳感器到介質(zhì)表面的距離以及物位成比例。 </p> <p> 即：h= H–vt/2 </p> <p> 式中 h為料位；H為槽高； v為雷達(dá)波速度；t為雷達(dá)波發(fā)射到接收的間隔時(shí)間，無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā)。雷達(dá)料位計(jì)應(yīng)用電磁脈沖進(jìn)行快速測(cè)量，精度高，抗干擾能力強(qiáng).無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā),雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175712901152/3931401.png"></div><p> 雷達(dá)波是一種特殊形式的電磁波，雷達(dá)料位計(jì)利用了電磁波的特殊性能來(lái)進(jìn)行料位檢測(cè)。電磁波的物理特性與可見(jiàn)光相似，傳播速度相當(dāng)于光速。其頻率為300MHz-3000GHz。電磁波可以穿透空間蒸汽、粉塵等干擾源，遇到障礙物易于被反射，被測(cè)介質(zhì)導(dǎo)電性越好或介電常數(shù)越大，回波信號(hào)的反射效果越好。雷達(dá)物位計(jì)(3張)發(fā)射－反射－接收是雷達(dá)式料位計(jì)工作的基本原理。雷達(dá)傳感器的天線以波束的形式發(fā)射小。反射回來(lái)的信號(hào)仍由天線接收，雷達(dá)料位計(jì)雷達(dá)脈沖信號(hào)從發(fā)射到接收的運(yùn)行時(shí)間與傳感器到介質(zhì)表面的距離以及物位成比例。即：h=H–vt/2式中h為料位；H為槽高；v為雷達(dá)波速度；t為雷達(dá)波發(fā)射到接收的間隔時(shí)間。上海拋物面式雷達(dá)料位計(jì)廠雷達(dá)料位計(jì)是電磁脈沖以光速沿鋼纜或探棒，當(dāng)碰到被測(cè)介質(zhì)時(shí)，雷達(dá)料位計(jì)的局部脈沖被反射，構(gòu)成回波。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā),雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175406699764/4807104.png"></div><p> 自動(dòng)化儀表控制已進(jìn)入了計(jì)算機(jī)時(shí)代，進(jìn)入了所謂計(jì)算機(jī)集成過(guò)程控制系統(tǒng)的時(shí)代.在許多生產(chǎn)過(guò)程中，需要對(duì)物位進(jìn)行檢測(cè)和控制，以保證生產(chǎn)正常連續(xù)運(yùn)行，確保產(chǎn)品質(zhì)量。如鍋爐內(nèi)的水位，油罐、水塔和各種儲(chǔ)液罐的液位，糧倉(cāng)、煤粉倉(cāng)、水泥庫(kù)和化學(xué)原料庫(kù)中的料位以及高溫條件下連續(xù)生產(chǎn)中的鋁水、鋼水或鐵水的液位等。 </p> <p> 美國(guó)MONITOR雷達(dá)料位計(jì)依據(jù)時(shí)域反射原理(TDR Time Domain Reflectometry)為基礎(chǔ)的雷達(dá)料位計(jì)，時(shí)域反射原理首先是用于通訊電纜的故障檢測(cè)，我們將其成功應(yīng)用于工業(yè)測(cè)量領(lǐng)域。 </p> <p> 1.在罐上或儲(chǔ)存容器上的位置可以是在**或側(cè)部，只要在接觸不到的容器部位即可。 </p> <p> 2.避免傳感器與罐壁的接觸，萬(wàn)一安裝在直徑小于100mm的靜止管中時(shí)，將需要現(xiàn)場(chǎng)標(biāo)定以保證對(duì)測(cè)量精確度，對(duì)于同軸版本，可以沒(méi)有問(wèn)題的安裝而無(wú)需預(yù)防。 </p> <p> 3.避免安裝太靠近攪拌器，否則，軟纜/桿可能被纏住，在這種情況下，側(cè)面安裝的更可取些。 </p> <p> 4.在介質(zhì)絮亂的情況下，傳感器的末端要固定住。 </p><p> 雷達(dá)料位計(jì)的原理及應(yīng)用？ </p> <p> 料位是工業(yè)生產(chǎn)中的一個(gè)重要參數(shù)。料位測(cè)量的方法很多，針對(duì)不同的工況和介質(zhì)可以使用不同測(cè)量原理的料位計(jì)，吹氣法、靜壓式、浮球式、重錘式、超聲波等幾種常用的料位測(cè)量?jī)x表，都有各自的特點(diǎn)和應(yīng)用范圍。雷達(dá)料位計(jì)運(yùn)用先進(jìn)的雷達(dá)測(cè)量技術(shù)，以其優(yōu)良的性能，尤其是在槽罐中有攪拌、溫度高、蒸汽大、介質(zhì)腐蝕性強(qiáng)、易結(jié)疤等惡劣的測(cè)量條件下，顯示出其的性能，在工業(yè)生產(chǎn)中發(fā)揮著越來(lái)越重要的作用。雷達(dá)料位計(jì)運(yùn)用先進(jìn)的雷達(dá)測(cè)量技術(shù)，以其優(yōu)良的性能，尤其是在槽罐中有攪拌、溫度高、蒸汽大、介質(zhì)腐蝕性強(qiáng)、易結(jié)疤等惡劣的測(cè)量條件下，顯示出其的性能，在工業(yè)生產(chǎn)中發(fā)揮著越來(lái)越重要的作用。 26GHz高頻雷達(dá)料位計(jì)頻率高、天線短、方向性好，更適用于小罐測(cè)量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā),雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175378477660/486145.png"></div><p> 若傳感器安裝在接管上，天線必須從接管伸出來(lái)。喇叭口天線伸出接管至少10mm。棒式天線接管長(zhǎng)度比較大100或250mm。接管直徑小250mm?？梢圆扇〖哟蠼庸苤睆降姆椒?，以減少由于接管產(chǎn)生的干擾回波。關(guān)于導(dǎo)波管天線：導(dǎo)波管內(nèi)壁一定要光滑，下面開(kāi)口的導(dǎo)波管必須達(dá)到需要的比較低液位，這樣才能在管道中進(jìn)行測(cè)量。傳感器的類(lèi)型牌要對(duì)準(zhǔn)導(dǎo)波管開(kāi)孔的軸線。若被測(cè)介電常數(shù)小于4，需在導(dǎo)波管末端安裝反射板，或?qū)?dǎo)波管末端彎成一個(gè)彎度，將容器底的反射回波折射走。 </p> <p> <br /> </p> <p> 雷達(dá)料位計(jì)的基本原理 </p> <p> 雷達(dá)式料位計(jì)組成：它主要由發(fā)射和接收裝置、信號(hào)處理器、天線、操作面板、顯示、故障報(bào)警等幾部分組成。 </p> <p> 發(fā)射－反射－接收是雷達(dá)式料位計(jì)工作的基本原理。雷達(dá)傳感器的天線以波束的形式發(fā)射比較小5.8GHz的雷達(dá)信號(hào)。反射回來(lái)的信號(hào)仍由天線接收，雷達(dá)脈沖信號(hào)從發(fā)射到接收的運(yùn)行時(shí)間與傳感器到介質(zhì)表面的距離以及物位成比例。即：h= H–vt/2 式中 h為料位；H為槽高；v為雷達(dá)波速度；t為雷達(dá)波發(fā)射到接收的間隔時(shí)間。雷達(dá)料位計(jì)安裝要求及調(diào)試?yán)走_(dá)波在空氣中是直線傳播，所以探頭安裝位置是否合適將直接影響到測(cè)量的結(jié)果。河北水滴型雷達(dá)料位計(jì)廠</p><p style="text-indent:25px">雷達(dá)料位計(jì)的一種遠(yuǎn)傳方式就是配報(bào)警開(kāi)關(guān)，液位控制開(kāi)關(guān)由干簧管及電路模塊組成，結(jié)構(gòu)緊湊、堅(jiān)固耐用。無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā)</p><p> 應(yīng)用中存在的問(wèn)題及解決方法 </p> <p> 1．探頭結(jié)疤和頻繁故障的解決方法首先是將探頭安裝位置提高，但是有時(shí)候安裝條件限制，不能提高的情況下，就應(yīng)采用將料位測(cè)量值與該槽的泵聯(lián)鎖的辦法，解決這一難題：將比較高料位設(shè)定值減小0.5m左右，當(dāng)料位達(dá)到該比較高值時(shí)，即可停進(jìn)料泵或開(kāi)啟出料泵。 </p> <p> 2．雷達(dá)料位計(jì)被淹相應(yīng)的改進(jìn)辦法解決這種問(wèn)題的辦法是將雷達(dá)料位計(jì)改為導(dǎo)波管式測(cè)量。仍在原開(kāi)孔處安裝導(dǎo)波管式雷達(dá)料位計(jì)，導(dǎo)波管高于排汽管0.2m左右，這樣一來(lái)，即使出現(xiàn)料漿從排汽管溢出的惡劣工況，也不會(huì)使料位計(jì)天線被料漿淹沒(méi)，而且避免了攪拌器渦流的干擾及大量蒸汽從探頭處冒出，減少了對(duì)探頭的損害，同時(shí)由于導(dǎo)波管聚焦效果好，接收的雷達(dá)波信號(hào)更強(qiáng)，取得了很好的測(cè)量效果。使用導(dǎo)波管測(cè)量方式，可以改善表計(jì)測(cè)量條件，提高儀表測(cè)量性能,具有很高的推廣應(yīng)用價(jià)值。 </p> <p> 3．關(guān)于泡沫對(duì)測(cè)量的影響干泡沫和濕泡沫能將雷達(dá)波反射回來(lái)，對(duì)測(cè)量無(wú)影響；中性泡沫則會(huì)吸收和擴(kuò)散雷達(dá)波，因而嚴(yán)重影響回波的反射甚至沒(méi)有回波。當(dāng)介質(zhì)表面為稠而厚的泡沫時(shí)，測(cè)量誤差較大或無(wú)法測(cè)量，在這種工況下，雷達(dá)料位計(jì)不具有優(yōu)勢(shì)，這是其應(yīng)用的局限性。 </p> <p> <br /> </p> <p> <br /> </p> <p> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 無(wú)錫透鏡式雷達(dá)料位計(jì)廠家批發(fā)</p></p><br /><p>文章來(lái)源地址: 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