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href="http://www.cdcfah.com/cp/first-_jydq/">家用電器</a>?<a href="http://www.cdcfah.com/cp/second-jydq_dfs/">電風(fēng)扇</a>?<a href="http://www.cdcfah.com/cp/third-dfs_qtdfs/">其他電風(fēng)扇</a>?溫州檔位式風(fēng)扇歡迎來電寧波奉化光亞計數(shù)器供應(yīng)</p><div id="tnulnub" class="leftbox clearfix"><h1>溫州檔位式風(fēng)扇歡迎來電寧波奉化光亞計數(shù)器供應(yīng)</h1><div id="she38kb" class="proBig"><div id="8tkw7s3" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/18867638280/637273869497402343/1872219.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="gplnuwd" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/18867638280/637273869497402343/1872219.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="eyphtkh" 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>浙江省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>溫州檔位式風(fēng)扇</p><p><span>***更新：</span>2020-06-22 18:28:41</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="dnpgdfc" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">寧波奉化光亞計數(shù)器制造有限公司</a></p><p><span>聯(lián)系人：</span>皇甫益敏</p><p><span>郵箱: </span>2218920377@qq.com</p><p><span>電話: </span>18867638280</p><p><span>傳真: </span>0574_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0574-88955915</p><p><span>地址: </span>東郊開發(fā)區(qū)圓峰路79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="3zw2c2s" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="fpr33wq" class="box"><p><p> 風(fēng)扇噪音 </p> <p> 除了散熱效果之外，風(fēng)扇的工作噪音也是人們普遍關(guān)注的問題。風(fēng)扇噪音是風(fēng)扇工作時產(chǎn)生雜音的大小，受多方面因素影響，單位為分貝(dB)。測量風(fēng)扇的噪聲時需要在噪聲小于17dB的消音室中進(jìn)行，距離風(fēng)扇一米，并沿風(fēng)扇轉(zhuǎn)軸的方向?qū)?zhǔn)風(fēng)扇的進(jìn)氣口，采用A加權(quán)的方式進(jìn)行測量。風(fēng)扇噪聲的頻譜特性也很重要，溫州檔位式風(fēng)扇，因此還需要用頻譜儀記錄風(fēng)扇的噪聲頻率分布情況，一般要求風(fēng)扇的噪聲要盡量的小，而且不能存在異音。 </p> <p> 風(fēng)扇噪音與摩擦力、空氣流動有關(guān)。風(fēng)扇轉(zhuǎn)速越高、風(fēng)量越大，造成的噪音也會越大，另外風(fēng)扇自身的震動也是不可忽視的因素，溫州檔位式風(fēng)扇，溫州檔位式風(fēng)扇。當(dāng)然***的風(fēng)扇的自身震動會很小，但前面兩個者卻是難以克服的。要解決這個問題，我們可以嘗試使用尺寸較大的風(fēng)扇。應(yīng)在在風(fēng)量相同的情況下，大風(fēng)扇在較低轉(zhuǎn)速時的工作噪聲要小于小風(fēng)扇在高轉(zhuǎn)速時的工作噪聲。另外一個我們?nèi)菀缀雎缘囊蛩厥秋L(fēng)扇的軸承。由于風(fēng)扇高速轉(zhuǎn)動時轉(zhuǎn)軸和軸承之間要摩擦碰撞，所以也是風(fēng)扇噪聲的一個主要來源。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州檔位式風(fēng)扇" src="https://tyunfile.71360.com/UploadFile/18867638280/637273869497402343/1872219.png"></div><p> 扇葉制造材料：風(fēng)扇內(nèi)的風(fēng)機(jī)葉輪是很長的，這樣的一個圓桶狀的扇葉如果使用劣質(zhì)材料制造，是可以節(jié)省不少成本，可是轉(zhuǎn)不了多久，就會發(fā)生變形，整個扇葉不再是在一條直線上，而是中間下垂，您可以想象，這樣下垂的扇葉在轉(zhuǎn)起來后，是何等的高噪音，并且會帶動整個風(fēng)幕機(jī)震動！ </p> <p> 電機(jī)：風(fēng)輪是要靠電動機(jī)來使之運(yùn)轉(zhuǎn)的，如果電機(jī)質(zhì)量差，無法正常運(yùn)轉(zhuǎn)或者啟動乏力，都是不行的，要是電機(jī)的質(zhì)量差，那還會聽見電機(jī)發(fā)出的“嗡嗡”聲，更是一種折磨。 </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="溫州檔位式風(fēng)扇" src="https://tyunfile.71360.com/UploadFile/18867638280/637273869394501953/5206277.png"></div><p> GY-BRB圓型風(fēng)扇 </p> <p> 一、用途： </p> <p> 該機(jī)適用于電梯轎廂、行車操作室、凈化潔凈室、實驗室、生產(chǎn)車間、走廊過道等場的***消毒凈化空氣作用。 </p> <p> 二、特點： </p> <p> 實驗報告證明PM2.5顆粒凈化效率≥99%，消毒率≥99%，冠狀病毒滅活率>99.99% </p> <p> 負(fù)離子具有潔凈空氣的作用 </p> <p> 除塵作用：小粒徑的負(fù)氧離子可以與空氣中的污染物相互作用、復(fù)合、擴(kuò)散而影響污染物的變換，或作為催化劑在化學(xué)過程中改變痕量氣體的毒性。小至0.01微米、在工業(yè)上難以除去的的微粒飄塵，亦有明顯的沉降去除效果。 </p> <p> 抑菌、除菌作用：負(fù)氧離子具有較高的活性，有很強(qiáng)的氧化還原作用，能破壞細(xì)菌的細(xì)胞膜或細(xì)胞原生質(zhì)活性酶的活性，從而達(dá)到抵抗病菌***的目的。在高濃度的負(fù)氧離子環(huán)境中，經(jīng)測定，空氣中霉菌、細(xì)菌數(shù)可降低90%以上。 </p> <p> 除臭作用：空氣負(fù)離子能與空氣中的有機(jī)物起氧化作用而消除其產(chǎn)生的異味，因而具有清潔空氣的作用。 </p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/353489.html</p></div></div></div></div></div><div id="r8axzli" class="page-right twoColRt"><div id="eyubykm" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="rbifxyv" 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" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="mwtlxzl" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/846569.html"><div><img 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