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id="tify32v" class="proBig"><div id="28jdvkr" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261966494140/7566953.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="wbyvnzw" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shuangying/637311261966494140/7566953.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="ds78jzw" 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>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>長沙霍爾傳感器代理商哪家便宜,霍爾傳感器</p><p><span>***更新：</span>2021-01-25 10:11:19</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="mwyl29k" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">啟東雙贏電子科技有限公司</a></p><p><span>聯(lián)系人：</span>楊生</p><p><span>郵箱: </span>jmin_yang@126.com</p><p><span>電話: </span>18666184026</p><p><span>傳真: </span>0513_</p><p><span>網(wǎng)址: </span>http://www.qdsy-sensor.cn</p><p><span>手機(jī): </span>0513-86378688</p><p><span>地址: </span>寅陽鎮(zhèn)洪佳路8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="hr7m39n" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="k7frovc" class="box"><p><p style="text-indent:25px">　霍爾電流傳感器基于磁平衡式霍爾原理，根據(jù)霍爾效應(yīng)原理，從霍爾元件的控制電流端通入電流Ic，并在霍爾元件平面的法線方向上施加磁場強(qiáng)度為B的磁場，那么在垂直于電流和磁場方向（即霍爾輸出端之間），將產(chǎn)生一個電勢VH，長沙霍爾傳感器代理商哪家便宜，稱其為霍爾電勢，其大小正比于控制電流I。與磁場強(qiáng)度B的乘積。即有式中：K為霍爾系數(shù)，由霍爾元件的材料決定；I為控制電流;B為磁場強(qiáng)度; VH為霍爾電勢。霍爾電流傳感器是按照霍爾效應(yīng)原理制成，長沙霍爾傳感器代理商哪家便宜，對安培定律加以應(yīng)用，即在載流導(dǎo)體周圍產(chǎn)生一正比于該電流的磁場，長沙霍爾傳感器代理商哪家便宜，而霍爾器件則用來測量這一磁場。因此，使電流的非接觸測量成為可能。線性霍爾傳感器又可分為開環(huán)式和閉環(huán)式。長沙霍爾傳感器代理商哪家便宜</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長沙霍爾傳感器代理商哪家便宜,霍爾傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311261966494140/7566953.png"></div><p style="text-indent:25px">由于通電螺線管內(nèi)部存在磁場，其大小與導(dǎo)線中的電流成正比，故可以利用霍爾傳感器測量出磁場，從而確定導(dǎo)線中電流的大小。利用這一原理可以設(shè)計制成霍爾電流傳感器。其優(yōu)點(diǎn)是不與被測電路發(fā)生電接觸，不影響被測電路，不消耗被測電源的功率，特別適合于大電流傳感。由于具備低成本、低功耗、占地面積小、距離感應(yīng)、可靠性高、壽命長等諸多優(yōu)點(diǎn)，霍爾傳感器被應(yīng)用于電機(jī)旋轉(zhuǎn)編碼計數(shù)、開關(guān)位置檢測、防篡改檢測等多功能性應(yīng)用中?；魻栃?yīng)原理是Edwin Hall于1879年，在研究金屬的導(dǎo)電機(jī)構(gòu)時發(fā)現(xiàn)的。后來，還發(fā)現(xiàn)半導(dǎo)體、導(dǎo)電流體等也有這種效應(yīng)，而半導(dǎo)體的霍爾效應(yīng)比金屬強(qiáng)得多，利用這現(xiàn)象制成的各種霍爾元件，被普遍地應(yīng)用于工業(yè)自動化技術(shù)、檢測技術(shù)及信息處理等領(lǐng)域。標(biāo)準(zhǔn)圓環(huán)鐵芯有一個缺口，將霍爾傳感器插入缺口中，圓環(huán)上繞有線圈，當(dāng)電流通過線圈時產(chǎn)生磁場，則霍爾傳感器有信號輸出。長沙霍爾傳感器代理商哪家便宜霍爾效應(yīng)傳感器由一塊薄的矩形p型半導(dǎo)體材料組成，例如砷化鎵，銻化銦或砷化銦，它們通過自身連續(xù)的電流。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長沙霍爾傳感器代理商哪家便宜,霍爾傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314760317451172/3910390.png"></div><p style="text-indent:25px">霍爾傳感器普遍應(yīng)用在變頻調(diào)速裝置、逆變裝置、UPS電源、通信電源、電焊機(jī)、電力機(jī)車、變電站、數(shù)控機(jī)床、電解電鍍、微機(jī)監(jiān)測、電網(wǎng)監(jiān)測等需要隔離檢測電流的設(shè)施中以及新興的太陽能、風(fēng)能和地鐵軌道信號、汽車電子等領(lǐng)域。霍爾效應(yīng)傳感器，可以測量任意波形的電流和電壓。輸出端能真實(shí)地反映輸入端電流或電壓的波形參數(shù)。針對霍爾效應(yīng)傳感器普遍存在溫度漂移大的缺點(diǎn)，采用補(bǔ)償電路進(jìn)行控制，有效地減少了溫度對測量精度的影響，確保測量準(zhǔn)確;具有精度高、安裝方便、售價低的特點(diǎn)。</p><p style="text-indent:25px">霍爾傳感器用它可以檢測磁場及其變化，可在各種與磁場有關(guān)的場合中使用?；魻杺鞲衅饕曰魻栃?yīng)為其工作基礎(chǔ)，是由霍爾元件和它的附屬電路組成的集成傳感器?；魻杺鞲衅髟诠I(yè)生產(chǎn)、交通運(yùn)輸和日常生活中有著非常普遍的應(yīng)用。霍爾效應(yīng)：在半導(dǎo)體薄片兩端通以控制電流I，并在薄片的垂直方向施加磁感應(yīng)強(qiáng)度為B的勻強(qiáng)磁場，則在垂直于電流和磁場的方向上，將產(chǎn)生電勢差為UH的霍爾電壓，它們之間的關(guān)系為。圖中d 為薄片的厚度，k稱為霍爾系數(shù)，它的大小與薄片的材料有關(guān)。上述效應(yīng)稱為霍爾效應(yīng)，它是德國物理學(xué)家霍爾于1879年研究載流導(dǎo)體在磁場中受力的性質(zhì)時發(fā)現(xiàn)的?；魻杺鞲衅骷夹g(shù)在汽車工業(yè)中有著普遍的應(yīng)用，包括動力、車身控制、牽引力控制以及防抱死制動系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="長沙霍爾傳感器代理商哪家便宜,霍爾傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311262534833984/9671354.png"></div><p style="text-indent:25px">作為一種流行的磁傳感器技術(shù)，霍爾傳感器的原理是在向?qū)w施加垂直磁場時，在載流導(dǎo)體（通常稱為霍爾元件）中會產(chǎn)生差分電壓。電壓是由施加的磁場引起的洛倫茲力的結(jié)果，其導(dǎo)致電流電子集中在導(dǎo)體的一端，并在兩端之間產(chǎn)生電勢差。具體來說，霍爾效應(yīng)傳感器由一塊薄的矩形p型半導(dǎo)體材料組成，例如砷化鎵，銻化銦或砷化銦，它們通過自身連續(xù)的電流。當(dāng)器件放置在磁場中時，磁通線在半導(dǎo)體材料上施加力，該力使電荷載流子，電子和空穴偏轉(zhuǎn)到半導(dǎo)體板的任一側(cè)。電荷載流子的這種運(yùn)動是它們經(jīng)過半導(dǎo)體材料所經(jīng)受的磁力的結(jié)果。當(dāng)這些電子和空穴移動側(cè)邊時，通過這些電荷載流子的積累在半導(dǎo)體材料的兩側(cè)之間產(chǎn)生差分電壓即電位差。線性霍爾傳感器還可用于測量位置和位移，如液位探測、水流探測等。長沙霍爾傳感器代理商哪家便宜</p><p style="text-indent:25px">霍爾傳感器應(yīng)用在變頻調(diào)速裝置、逆變裝置數(shù)控機(jī)床等需要隔離檢測電流的設(shè)施等領(lǐng)域。長沙霍爾傳感器代理商哪家便宜</p><p style="text-indent:25px">目前的霍爾器件都可承受一定的振動，可在零下40℃到零上150℃范圍內(nèi)工作，全部密封不受水油污染，完全能夠適應(yīng)汽車的惡劣工作環(huán)境?；魻杺鞲衅骺梢詼y量任意波形的電流和電壓，如：直流、交流、脈沖波形等，甚至對瞬態(tài)峰值的測量。副邊電流忠實(shí)地反應(yīng)原邊電流的波形。而普通互感器則是無法與其比擬的，它一般只適用于測量50Hz正弦波原邊電路與副邊電路之間有良好的電氣隔離，隔離電壓可達(dá)9600Vrms；霍爾傳感器普遍應(yīng)用在變頻調(diào)速裝置、逆變裝置、UPS電源、通信電源、電焊機(jī)、電力機(jī)車、變電站、數(shù)控機(jī)床、電解電鍍、微機(jī)監(jiān)測、電網(wǎng)監(jiān)測等需要隔離檢測電流的設(shè)施中以及新興的太陽能、風(fēng)能和地鐵軌道信號、汽車電子等領(lǐng)域。長沙霍爾傳感器代理商哪家便宜</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3005206.html</p></div></div></div></div></div><div id="7ixjlik" class="page-right twoColRt"><div id="e7ol2zl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="gvnprda" 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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