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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="czlgxop" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/yuzhengciye/637453671014618097/8175418.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="yh2kl2d" 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>蘇州醫(yī)療設(shè)備磁環(huán),磁環(huán)</p><p><span>***更新：</span>2021-01-24 09:23:33</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="u2vawij" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海昱崢磁業(yè)有限公司</a></p><p><span>聯(lián)系人：</span>李先生</p><p><span>郵箱: </span>18717987059@163.com</p><p><span>電話: </span>18717987059</p><p><span>傳真: </span>021_67109719</p><p><span>網(wǎng)址: </span>http://yuzhengciye.shop.88360.com</p><p><span>手機(jī): </span>021-61558081</p><p><span>地址: </span>南橋鎮(zhèn)奉浦大道818號(hào)816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="8lx28wd" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="q8t8ham" class="box"><p><p style="text-indent:25px">磁環(huán)的原理與實(shí)際作用：鐵氧體磁珠是一種電感器，蘇州醫(yī)療設(shè)備磁環(huán)，可以形成被動(dòng)低通濾波器，蘇州醫(yī)療設(shè)備磁環(huán)，能衰減高頻的干擾，既可以是設(shè)備本身流出的，也可以是外界進(jìn)入的，而高頻信號(hào)的能量會(huì)被鐵氧體磁芯吸收轉(zhuǎn)換為熱量散發(fā)，蘇州醫(yī)療設(shè)備磁環(huán)。磁環(huán)用于鍵盤鼠標(biāo)的USB數(shù)據(jù)線是為了屏蔽沒有用的高頻信號(hào)，因?yàn)閁SB數(shù)據(jù)線通常會(huì)離電腦機(jī)箱很近，如果線材沒有屏蔽層，USB數(shù)據(jù)線就會(huì)像天線一樣吸收周圍環(huán)境或是機(jī)箱內(nèi)硬件所產(chǎn)生的高頻信號(hào)，從而影響到實(shí)際的傳輸。添加磁環(huán)就是一種較為經(jīng)濟(jì)的解決方式。醫(yī)療設(shè)備的顯示器出現(xiàn)了條紋，或者是設(shè)備上出現(xiàn)了故障，導(dǎo)致無(wú)法正常運(yùn)行。蘇州醫(yī)療設(shè)備磁環(huán)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州醫(yī)療設(shè)備磁環(huán),磁環(huán)" src="https://tyunfile.71360.com/UploadFile/yuzhengciye/637453671014618097/8175418.png"></div><p style="text-indent:25px">電機(jī)磁環(huán)的應(yīng)用：一、電機(jī)磁環(huán)對(duì)和構(gòu)成的吸收濾波器，除了應(yīng)選用高磁導(dǎo)率的有耗材料外，它們?cè)诰€路中對(duì)高頻成分所呈現(xiàn)的電阻大約是十至幾百，因此它在高阻抗電路中的作用并不明顯，相反，在低阻抗電路(如功率分配、電源或射頻電路)中使用將非常有效。二、電機(jī)磁環(huán)在高頻段(大于10MHz)，感抗仍然保持很小，而阻抗很大，使得高頻信號(hào)的能量穿過(guò)磁性材料時(shí)，轉(zhuǎn)換成熱量散發(fā)出去，從阻礙了高頻信號(hào)的通過(guò)，壓制了高頻信號(hào)的干擾，通常較佳壓制頻率范圍跟鐵氧體壓制元件有關(guān)，通常磁導(dǎo)率越高，壓制頻率越低，鐵氧體體積越大，壓制效果也越好，體積一定時(shí)，長(zhǎng)而細(xì)的比短而粗的壓制效果好內(nèi)勁越小壓制效果也越好。蘇州醫(yī)療設(shè)備磁環(huán)讓醫(yī)生可以在一時(shí)間知道病因所在，開出良藥，從而恢復(fù)病情，讓大家健康起來(lái)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州醫(yī)療設(shè)備磁環(huán),磁環(huán)" src="https://tyunfile.71360.com/UploadFile/yuzhengciye/637453670946336807/2559533.png"></div><p style="text-indent:25px">為什么要設(shè)置抗干擾磁環(huán)？電腦機(jī)箱內(nèi)的主板、CPU、電源、及IDE數(shù)據(jù)線都工作于很高的頻率狀態(tài)下，所以導(dǎo)致機(jī)箱里存在著大量的空間雜散電磁干擾信號(hào)，而信號(hào)強(qiáng)度也是機(jī)箱外的數(shù)倍至數(shù)十倍！吸收磁環(huán)，又稱鐵氧體磁環(huán)，常用于可拆卸的分離式磁環(huán)，它是電子電路中常用的抗干擾元件，對(duì)于高頻噪聲有很好的壓制作用，一般使用鐵氧體材料（Mn－Zn）制成。磁環(huán)在不同的頻率下有不同的阻抗特性，一般在低頻時(shí)阻抗很小，當(dāng)信號(hào)頻率升高磁環(huán)表現(xiàn)的阻抗急劇升高。使正常有用的信號(hào)很好的通過(guò)，又能很好的壓制高頻干擾信號(hào)的通過(guò)，而且成本低廉。</p><p style="text-indent:25px">電機(jī)磁環(huán)在實(shí)際中該如何運(yùn)用？磁環(huán)是區(qū)分錳鋅和鎳鋅鐵氧體材料制作的磁環(huán)，如何選擇錳鋅和鎳鋅磁環(huán)使用在電源線上較為合適，這還得看電子產(chǎn)品頻率范圍，是屬于哪一類，高頻率或者低頻率。通常鎳鋅鐵氧體磁環(huán)選用在電源線之多，因?yàn)殡娫淳€一般輸送的頻率大部份都是高頻，而恰好鎳鋅屬于高頻率的磁環(huán)。電機(jī)磁環(huán)同樣也有錳鋅磁環(huán)使用在電源線上的，但相對(duì)來(lái)說(shuō)較少，如選擇錳鋅磁環(huán)使用在電源線上的，電子產(chǎn)品都是很低的頻率，才會(huì)選擇它。鎳鋅在高頻時(shí)能發(fā)揮出無(wú)窮的特性，如果使用在低頻率的電子產(chǎn)品上，就不對(duì)稱，不平衡。而錳鋅磁環(huán)頻率是較低的，同樣使用在高頻率上也起不了它的作用，所以如何選擇取決于什么樣的頻率。醫(yī)療方面設(shè)備，相對(duì)來(lái)講，都是比較嚴(yán)格的一項(xiàng)產(chǎn)品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="蘇州醫(yī)療設(shè)備磁環(huán),磁環(huán)" src="https://tyunfile.71360.com/UploadFile/yuzhengciye/637453671118534240/102733.png"></div><p style="text-indent:25px">磁環(huán)的選擇：在實(shí)際工程中，要根據(jù)干擾電流的頻率特點(diǎn)來(lái)調(diào)整磁環(huán)的匝數(shù)。通常當(dāng)干擾信號(hào)的頻帶較寬時(shí)，可在電纜上套兩個(gè)磁環(huán)，每個(gè)磁環(huán)繞不同的匝數(shù)，這樣可以同時(shí)壓制高頻干擾和低頻干擾。從共模扼流圈作用的機(jī)理上看，其阻抗越大，對(duì)干擾壓制效果越明顯。而共模扼流圈的阻抗來(lái)自共模電感l(wèi)cm=jwlcm，從公式中不難看出，對(duì)于一定頻率的噪聲，磁環(huán)的電感越大越好。但實(shí)際情況并非如此，因?yàn)閷?shí)際的磁環(huán)上還有寄生電容，它的存在方式是與電感并聯(lián)。當(dāng)遇到高頻干擾信號(hào)時(shí)，電容的容抗較小，將磁環(huán)的電感短路，從而使共模扼流圈失去作用。對(duì)于粒度大硬度大的金屬微粒可用強(qiáng)磁鐵來(lái)吸咐金屬殘屑，磁化機(jī)油。蘇州醫(yī)療設(shè)備磁環(huán)</p><p style="text-indent:25px">其成分含有氧化鐵，氧化鎳和氧化鋅。蘇州醫(yī)療設(shè)備磁環(huán)</p><p style="text-indent:25px">電機(jī)磁環(huán)該如何選擇？電機(jī)上加上導(dǎo)磁環(huán)可以產(chǎn)生固定磁場(chǎng)(定子)，通電線圈(轉(zhuǎn)子)在磁場(chǎng)才能運(yùn)動(dòng)。如果不用恒磁體，那就得用定子線圈來(lái)產(chǎn)生磁場(chǎng)，那樣耗電量就會(huì)增大。磁環(huán)還可以吸收并消化高頻信息的能量，也就是可以起到防干擾的作用。磁環(huán)在電機(jī)中的作用是比較重要的，所以，選對(duì)磁環(huán)就變得尤為重要。很多人說(shuō)只要找到優(yōu)良的廠家，選購(gòu)起來(lái)就會(huì)比較安心，當(dāng)然這是很重要的一點(diǎn)。首先，要找到一個(gè)有保障的廠家，其次，自己也要清楚自己自己選購(gòu)的磁環(huán)的尺寸，材質(zhì)，清楚磁環(huán)的公差，性能要求，比如需要達(dá)到多少高斯等。選購(gòu)磁環(huán)的時(shí)候要注意，磁環(huán)的品質(zhì)尤為重要，優(yōu)良的廠家可以為您提供更好的產(chǎn)品和服務(wù)，當(dāng)然源頭廠家價(jià)格上面也會(huì)有一定的優(yōu)勢(shì)，說(shuō)了這么多，希望對(duì)您在選購(gòu)磁環(huán)的時(shí)候會(huì)有幫助。蘇州醫(yī)療設(shè)備磁環(huán)</p><p style="text-indent:25px">上海昱崢磁業(yè)有限公司致力于電子元器件，是一家生產(chǎn)型的公司。公司業(yè)務(wù)涵蓋無(wú)刷電機(jī)磁鋼，筋膜槍電機(jī)磁鋼，吸塵器電機(jī)磁環(huán)，汽車電機(jī)磁鋼等，價(jià)格合理，品質(zhì)有保證。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于電子元器件行業(yè)的發(fā)展。昱崢磁業(yè)秉承“客戶為尊、服務(wù)為榮、創(chuàng)意為先、技術(shù)為實(shí)”的經(jīng)營(yíng)理念，全力打造公司的重點(diǎn)競(jìng)爭(zhēng)力。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2989125.html</p></div></div></div></div></div><div id="3pzb8ef" class="page-right twoColRt"><div id="3kghse3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="332d22h" 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) 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