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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>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>徐州醫(yī)療設(shè)備磁環(huán),磁環(huán)</p><p><span>***更新：</span>2021-01-19 10:27:16</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="4gmkiom" 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: </span>021-61558081</p><p><span>地址: </span>南橋鎮(zhèn)奉浦大道818號816室</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="42osoma" class="page-proshow02"><p class="title">詳細說明</p><div id="wks22mk" class="box"><p><p style="text-indent:25px">鐵粉芯磁環(huán)：鐵粉芯是磁性材料四氧化三鐵的通俗說法，主要應(yīng)用于電器回路中解決電磁兼容性（EMC）問題。實際應(yīng)用時，根據(jù)不同波段下對濾波要求不同會添加各種不同的其他物質(zhì)。早期的磁粉芯是由鐵硅鋁合金磁粉壓制而成的“粘結(jié)”金屬軟磁磁芯。人們常將這種鐵硅鋁磁粉芯稱作“鐵粉芯”。它的典型制備工藝為：用Fe-Si-Al合金磁粉經(jīng)過球磨扁平化處理并用化學方法進行絕緣層包覆，然后添加15wt%左右的粘結(jié)劑，徐州醫(yī)療設(shè)備磁環(huán)，混合均勻后模壓固化，較后經(jīng)熱處理(消除應(yīng)力)而制成產(chǎn)品。這種傳統(tǒng)的“鐵粉芯”產(chǎn)品，主要工作于20kHz～200kHz。由于它們有比在同頻段工作的鐵氧體高得多的飽和磁通密度，徐州醫(yī)療設(shè)備磁環(huán)、直流疊加特性好，徐州醫(yī)療設(shè)備磁環(huán)、磁致伸縮系數(shù)接近于零、工作時無噪聲、頻率穩(wěn)定性好、性能價格比高等優(yōu)點，在高頻電子變壓器等電子元件中得到了普遍應(yīng)用。它們的缺點是非磁性填充物不產(chǎn)生磁稀釋，也使得磁通通路不連續(xù)，局部退磁導致了磁導率的降低。由于汽車運行環(huán)境的惡劣，振動大、溫度高等特殊要求。徐州醫(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="徐州醫(yī)療設(shè)備磁環(huán),磁環(huán)" src="https://tyunfile.71360.com/UploadFile/yuzhengciye/637453671137469661/7254150.png"></div><p style="text-indent:25px">磁環(huán)優(yōu)點1、使用非常方便，直接套在需要濾波的電纜上即可；2、不像其它濾波方式那樣需要接地，因此對結(jié)構(gòu)設(shè)計、線路板設(shè)計沒有特殊的要求；3、作為共模扼流圈使用時，不會造成信號失真，這對于傳輸高頻信號的導線而言非常可貴。磁環(huán)尺寸確定：鐵氧體磁環(huán)的內(nèi)外徑差越大，軸向越長，阻抗越大。但內(nèi)徑一定要包緊導線。因此，要獲得大的衰減，在鐵氧體磁環(huán)內(nèi)徑包緊導線的前提下，盡量使用體積較大的磁環(huán)。磁環(huán)應(yīng)用范圍有：電器設(shè)備、音響設(shè)備、醫(yī)療設(shè)備、通訊電源設(shè)備、機械設(shè)備、儀器設(shè)備、電子設(shè)備以及電源線，數(shù)據(jù)線，信號線，排線，USB線，音頻線，電纜線，數(shù)碼相機線，電腦連接線等各種線材與設(shè)備。寧波制氧機磁環(huán)哪家好磁環(huán)外觀可在正常光照條件下用目測法檢查。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州醫(yī)療設(shè)備磁環(huán),磁環(huán)" src="https://tyunfile.71360.com/UploadFile/yuzhengciye/637453671199256729/7076638.png"></div><p style="text-indent:25px">鐵氧體材料為鐵鎂合金或鐵鎳合金，它的制造工藝和機械性能與陶瓷相似，顏色為灰黑色。電磁干擾濾波器中經(jīng)常使用的一類磁芯就是鐵氧體材料，許多廠商都提供專門用于電磁干擾壓制的鐵氧體材料。這種材料的特點是高頻損耗非常大，具有很高的導磁率，他可以是電感的線圈繞組之間在高頻高阻的情況下產(chǎn)生的電容較小。對于壓制電磁干擾用的鐵氧體，較重要的性能參數(shù)為磁導率μ和飽和磁通密度Bs。磁導率μ可以表示為復數(shù)，實數(shù)部分構(gòu)成電感，虛數(shù)部分表示損耗，隨著頻率的增加而增加。因此，它的等效電路為由電感L和電阻R組成的串聯(lián)電路，L和R都是頻率的函數(shù)。當導線穿過這種鐵氧體磁芯時，所構(gòu)成的電感阻抗在形式上是隨著頻率的升高而增加，但是在不同頻率時其機理是完全不同的。</p><p style="text-indent:25px">電機磁環(huán)的應(yīng)用：1、電機磁環(huán)不同頻率下磁環(huán)有不同的阻抗特性，一般低頻是阻抗很小，高頻時阻抗急劇升高，信號頻率越高，磁場越容易輻射出去，一般信號線是沒有屏蔽的，比如現(xiàn)在我所用的CAN總線，這些信號線就成了完美的天線，這個天線不停的接收周圍的高頻信號，這些信號的疊加改變了實際要傳輸?shù)男盘?，磁環(huán)可以很好的通過有用的信號，同時壓制高頻的干擾信號。2、電機磁環(huán)壓制共模信號干擾時，磁環(huán)可以將信號(連根差分信號線)或電源線(正負線)同時穿過，為了增加效果，可以在磁環(huán)上對稱的繞幾圈，增加電感量，增強對共模信號的吸收效果，但是對差摸信號沒有影響，元件應(yīng)當安裝在靠近干擾源的地方，對于輸入輸出電路，應(yīng)盡量靠近屏蔽盒的進出口出。放油螺絲也有磁鐵，且在機頭內(nèi)部，強力磁鐵放置在機濾殼外，吸咐的纖細鐵屑也沉積于機濾中。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="徐州醫(yī)療設(shè)備磁環(huán),磁環(huán)" src="https://tyunfile.71360.com/UploadFile/yuzhengciye/637453671176776335/7519111.png"></div><p style="text-indent:25px">抗干擾磁環(huán)也稱EMI吸收磁環(huán)，磁珠多股線纜上的EMI干擾壓制，包括電源線上的噪聲和尖峰干擾，它同時具有吸EMI吸收磁環(huán)收靜電脈沖能力，使電子設(shè)備達到電磁兼容(EMI/EMC)和靜電放電的相應(yīng)國際標準，使用時可將一根多芯電纜或一束多股線纜穿于其中。多穿一次可加強其效果。通常用25MHz和的阻抗值來衡量磁環(huán)磁珠的吸收特性。EMI吸收磁環(huán)EMI吸收磁環(huán)常用于壓制電源線、信號線上的干擾，同時還具有吸收靜電脈沖能力。1、直接套在一根或一束電源、信號線上，為了增加干擾吸收能量，可反復多繞幾圈;2、帶有安裝夾的EMI磁環(huán)，適用于補償式的抗干擾壓制;3、可以方便的夾在電源線、信號線上;4、靈活，可重復使用安裝。5、自帶卡式固定，不影響設(shè)備的整體形象。磁環(huán)，抗干擾磁環(huán)，或者說吸收磁環(huán)、鐵氧體磁環(huán)，是起濾波作用。杭州無刷電機磁環(huán)哪家好</p><p style="text-indent:25px">有差距?；厥蘸?，生產(chǎn)分配中的原材料。徐州醫(yī)療設(shè)備磁環(huán)</p><p style="text-indent:25px">大部分磁環(huán)都需要進行涂裝，方便區(qū)別，一般鐵粉芯用兩色來區(qū)分，常用的有紅/透明、黃/紅、綠/紅、綠/藍以及黃/白，錳芯環(huán)一般涂綠色，鐵硅鋁一般全黑等等。其實磁環(huán)燒制后的顏色和與之后噴涂的涂料染色沒有什么必然關(guān)系，只是行業(yè)里面的約定而已。例如，綠色表示高導磁環(huán)；雙色表示鐵粉芯磁環(huán)；黑色表示鐵硅鋁磁環(huán)等等。高導磁環(huán)。高導磁環(huán)，就不得不說鎳鋅鐵氧體磁環(huán)。磁環(huán)按材料分為鎳鋅和錳鋅，鎳鋅鐵氧體磁環(huán)材料的磁導率目前從15-2000不等均有應(yīng)用，常用的材料是鎳鋅鐵氧體磁導率在100-1000之間，按磁導率分類，分為低磁導率材料。而錳鋅鐵氧體磁環(huán)材料的磁導率一般在1000以上，所以錳鋅材料生產(chǎn)的磁環(huán)被稱為高導磁環(huán)。鎳鋅鐵氧體磁環(huán)一般用于各種線材，電路板端，電腦設(shè)備中抗干擾，錳鋅鐵氧體磁環(huán)可制作電感器、變壓器、濾波器的磁芯、磁頭及天線棒。通常情況下，材料磁導率越低，適用的頻率范圍越寬；材料磁導率越高，適用的頻率范圍越窄。徐州醫(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。公司自成立以來，以質(zhì)量為發(fā)展，讓匠心彌散在每個細節(jié)，公司旗下無刷電機磁鋼，筋膜槍電機磁鋼，吸塵器電機磁環(huán)，汽車電機磁鋼深受客戶的喜愛。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠信為本的理念，打造電子元器件良好品牌。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”的經(jīng)營理念，全力打造公司的重點競爭力。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2916914.html</p></div></div></div></div></div><div id="2yu2y2u" class="page-right 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