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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>山西雷達(dá)料位計(jì)廠家哪家好,雷達(dá)料位計(jì)</p><p><span>***更新：</span>2021-01-09 09:10:05</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="oif8873" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇中徽測控儀表有限公司</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</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="2mmgi3c" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="iikwdkw" class="box"><p><p> 雷達(dá)料位計(jì)的基本原理是 </p> <p> 雷達(dá)式料位計(jì)組成：它主要由發(fā)射和接收裝置、信號處理器、天線、操作面板、顯示、故障報警等幾部分組成，山西雷達(dá)料位計(jì)廠家哪家好。 </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)射小5.8GHz的雷達(dá)信號。反射回來的信號仍由天線接收，雷達(dá)脈沖信號從發(fā)射到接收的運(yùn)行時間與傳感器到介質(zhì)表面的距離以及物位成比例，山西雷達(dá)料位計(jì)廠家哪家好。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)射到接收的間隔時間，山西雷達(dá)料位計(jì)廠家哪家好。因?yàn)?6GHz高頻雷達(dá)料位計(jì)方向性好，在很多惡劣工況下，可通過簡單隔離，將雷達(dá)料位計(jì)裝在容器外進(jìn)行測量。山西雷達(dá)料位計(jì)廠家哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西雷達(dá)料位計(jì)廠家哪家好,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175249297535/7589860.png"></div><p> 脈沖型雷達(dá) </p> <p> 用于測物位的雷達(dá)料位計(jì)通常分為兩類：脈沖型雷達(dá)（Pulse）和調(diào)頻連續(xù)波雷達(dá)（FMCW）。在過程監(jiān)測場合主要選用脈沖型雷達(dá)，由于其頻率較低（6.3GHz），并且在天線結(jié)構(gòu)設(shè)計(jì)時充分考慮了冷凝、積料等影響，還能利用超聲波料位計(jì)中的回波信號處理，在有攪拌器等復(fù)雜工況中也能識別有效回波，價格相對也較便宜. </p> <p> 顆粒狀物料的選型 </p> <p> 在水泥廠原料大多是顆粒狀物料，個別是塊料，如石灰石、原煤、頁巖等，其半成品熟料也是顆粒狀物料，儲存在庫或倉里，都存在物料的安息角，但也有反射介面。根據(jù)入料和卸料所形成的物料安息角和表面情況，在確定有效量程后，建議采用非接觸型的雷達(dá)料位計(jì)，即帶有棒形或號角形天線的料位計(jì)。如用接觸型的雷達(dá)料位計(jì)，會產(chǎn)生對纜繩較大的下拉力，造成事故。根據(jù)水泥廠信息反饋，號角形天線的料位計(jì)回波更強(qiáng)，精確度更高（±0.2％～±1％F.S）,常用型號為PULS54。山西雷達(dá)料位計(jì)廠家哪家好雷達(dá)料位計(jì)適用于酸堿儲罐、漿料儲罐、固體顆粒、小型儲油罐。各類導(dǎo)電、非導(dǎo)電介質(zhì)、腐蝕性介質(zhì)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西雷達(dá)料位計(jì)廠家哪家好,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175761406949/5642053.png"></div><p> 安裝雷達(dá)物位計(jì)時要避免傳感器和罐壁的接觸，應(yīng)該和管壁保持一定距離。因?yàn)槔走_(dá)物位計(jì)是通過發(fā)出高頻微波脈沖沿著探測組件傳播測量的，這些脈沖波遇到被測介質(zhì)介電常數(shù)就會發(fā)生變化，引起反射。因此，要是安裝的物位計(jì)離管壁過近就可能得到的是管壁的介電常數(shù)，直接導(dǎo)致了被測參數(shù)的不準(zhǔn)確。 </p> <p> 雷達(dá)物位計(jì)的正確安裝方法 </p> <p> 1、建議安裝短管的外壁距離罐體內(nèi)壁應(yīng)該大于罐體直徑的1/6； </p> <p> 2、安裝短管的外壁距離罐體內(nèi)壁的距離小不得低于300mm； </p> <p> 3、不能將雷達(dá)物位計(jì)安裝在入料口的上方； </p> <p> 4、不能安裝在罐體中心位置，如果安裝在**，會產(chǎn)生多重虛假回波，干擾回波會導(dǎo)致信號丟失。 </p> <p> 5、如果不能保持儀表與罐壁的距離，罐壁上的介質(zhì)會黏附造成虛假回波，在調(diào)試儀表的時候應(yīng)該進(jìn)行虛假回波存儲。 </p><p> 測量數(shù)值不準(zhǔn)、亂跳的處理方法 </p> <p> 由下文能夠看出，形成電磁流量表測量信號數(shù)值沒有準(zhǔn)、沒有穩(wěn)、亂跳成績的次要來源為工頻攪擾，經(jīng)過論據(jù)采納同步采樣技能能夠無效抑止測量信號中的工頻攪擾信號。同步采樣也稱為追蹤采樣，即為了使采樣頻次fs一直與零碎實(shí)踐運(yùn)轉(zhuǎn)的頻次f1維持流動的對比聯(lián)系N=fs/f1，其采樣脈寬為工頻周期的成數(shù)倍，使流量信號電勢中工頻攪擾均勻值等于零，以消弭工頻攪擾的反應(yīng)；關(guān)于隨機(jī)攪擾信號能夠采納數(shù)目字濾波順序停止解決，對準(zhǔn)于沒有同的攪擾信號能夠采納順序判別濾波、中值濾波、算術(shù)均勻值濾波、滑行均勻值濾波、加權(quán)滑行均勻值濾波等濾波形式可收到很好的成效。雷達(dá)料位計(jì)具有低維護(hù)，高性能、高精度、高可靠性，使用壽命長等優(yōu)點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="山西雷達(dá)料位計(jì)廠家哪家好,雷達(dá)料位計(jì)" src="https://tyunfile.71360.com/UploadFile/jszhck/637412175722803277/793247.png"></div><p> 高頻雷達(dá)料位計(jì)測量優(yōu)勢 </p> <p> 高頻雷達(dá)料位計(jì)是先進(jìn)的雷達(dá)式物位測量儀表，測量最大距離可達(dá)70米。天線被進(jìn)一步優(yōu)化處理，適用于固體料、過程容器或強(qiáng)粉塵易結(jié)晶、結(jié)露場合。具有低維護(hù)，高性能、高精度、高可靠性，使用壽命長等優(yōu)點(diǎn)?？梢赃m應(yīng)高溫、高壓、蒸汽等惡劣的生產(chǎn)環(huán)境。高頻雷達(dá)料位計(jì)有哪些優(yōu)勢？ </p> <p> 1.高頻雷達(dá)料位計(jì)具有能量高，波束角小，天線尺寸小，精度高等優(yōu)勢特點(diǎn)。 </p> <p> 2.高頻雷達(dá)料位計(jì)發(fā)射的電磁波波長為11mm，是測量散裝料物位比較好選擇的原因。 </p> <p> 3.在一些直徑小而高度并不是很高的小型罐的應(yīng)用中，26GHz高頻雷達(dá)料位計(jì)頻率高、天線短、方向性好，更適用于小罐測量。 </p> <p> 4.由于現(xiàn)場環(huán)境惡劣，隨著時間推移，雷達(dá)天線會堆積污物、水汽等，26GHz高頻雷達(dá)料位計(jì)天線小，附加天線罩可改善因污物、水汽的影響 </p> <p> 4．因?yàn)?6GHz高頻雷達(dá)料位計(jì)方向性好，所以在很多惡劣工況下，可通過簡單隔離，將雷達(dá)料位計(jì)裝在容器外進(jìn)行測量雷達(dá)料位計(jì)在標(biāo)定中采納了多種抗攪擾的措施后，其測量準(zhǔn)確度和運(yùn)轉(zhuǎn)牢靠性大幅進(jìn)步。山東80HZ調(diào)頻雷達(dá)料位計(jì)哪家便宜</p><p style="text-indent:25px">發(fā)射－反射－接收是雷達(dá)式料位計(jì)工作的基本原理。山西雷達(dá)料位計(jì)廠家哪家好</p><p> 測量點(diǎn)漂移的處理方法 </p> <p> 共模攪擾是指信號輸出通道上共部分?jǐn)嚁_電壓。一般輸出通道設(shè)想中采納的是單端對于地輸出形式，因而形成共模信號嚙合到有用信號當(dāng)中，形成兩點(diǎn)的漂移。經(jīng)過改觀輸出通道輸出形式，把單端對于地輸出形式改為雙端沒有對于地輸出形式即一般所說的差動輸出形式，經(jīng)過差動輸出形式使共模攪擾正在輸出通道上的攪擾電壓得以對于消，使得共模攪擾發(fā)生兩點(diǎn)漂移成績得以處理。 </p> <p> 關(guān)于條件量度變遷形成的兩點(diǎn)漂移成績，采納量度彌補(bǔ)技能使這一成績失去了很好的處理。即正在通路中增多了條件量度檢測全體，并把檢測到的量度值實(shí)時傳給單片機(jī)，單片機(jī)依據(jù)采到的量度變遷，對于通路中的一些參數(shù)停止補(bǔ)偏救弊偏，大大減小了條件量度變遷對于對于通路發(fā)生的兩點(diǎn)漂移。山西雷達(dá)料位計(jì)廠家哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2771762.html</p></div></div></div></div></div><div id="fphov78" class="page-right twoColRt"><div id="x2bdamt" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="furtvct" 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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