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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>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>北京直流屏霍爾傳感器,霍爾傳感器</p><p><span>***更新：</span>2021-01-30 12:16:13</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="c2vs784" 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: </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="c8b88up" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="jdxi8dj" class="box"><p><p style="text-indent:25px">霍爾傳感器(霍爾元件)是根據(jù)霍爾效應(yīng)制作的一種磁場傳感器。　　美國物理學(xué)家霍爾(Hall,Edwin Herbert,1855-1938)于1879年在實驗中發(fā)現(xiàn)，當(dāng)電流垂直于外磁場通過導(dǎo)體時，北京直流屏霍爾傳感器，在導(dǎo)體的垂直于磁場和電流方向的兩個端面之間會出現(xiàn)電勢差，這一現(xiàn)象便是霍爾效應(yīng)。這個電勢差也被叫做霍爾電勢差。　　該效應(yīng)是在研究導(dǎo)體的導(dǎo)電機構(gòu)時發(fā)現(xiàn)的。后來發(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)比金屬強得多，利用這現(xiàn)象制成的各種霍爾元件，普遍地應(yīng)用于工業(yè)自動化技術(shù)、檢測技術(shù)及信息處理等方面?；魻栃?yīng)是研究半導(dǎo)體材料性能的基本方法。通過霍爾效應(yīng)實驗測定的霍爾系數(shù)，北京直流屏霍爾傳感器，北京直流屏霍爾傳感器，能夠判斷半導(dǎo)體材料的導(dǎo)電類型、載流子濃度及載流子遷移率等重要參數(shù)?；魻栯娏鱾鞲衅靼ㄩ_環(huán)式和閉環(huán)式兩種。北京直流屏霍爾傳感器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京直流屏霍爾傳感器,霍爾傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759948720703/3746576.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、電力機車、變電站、數(shù)控機床、電解電鍍、微機監(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，采用補償電路進(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。北京直流屏霍爾傳感器霍爾效應(yīng)傳感器由于具備低成本、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。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京直流屏霍爾傳感器,霍爾傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311262539697265/7019610.png"></div><p style="text-indent:25px">霍爾電流傳感器是由結(jié)構(gòu)和電路緊密配合的一個產(chǎn)品，這其中，霍爾元器件的高度、位置，鐵芯的材料、長度、橫截面積都決定著產(chǎn)品的性能。在設(shè)計產(chǎn)品時，一定要注意嚴(yán)格根據(jù)測量范圍計算鐵芯的磁路長度、鐵芯的橫截面積、磁隙間距以及霍爾芯片的高度。當(dāng)然這部分的計算是設(shè)計霍爾電流傳感器中比較重要的部分。由于傳感器空間限制風(fēng)其他原因，轉(zhuǎn)換電路常裝入電箱中。然而，因為不少傳感器要在通過轉(zhuǎn)換電路之后才能輸出電量信號，從而決定了轉(zhuǎn)換電路是傳感器的組成部分之一。</p><p style="text-indent:25px">霍爾電流傳感器是根據(jù)霍爾原理制成的。它有兩種工作方式，即磁平衡式和直式。霍爾電流傳感器一般由原邊電路、聚磁環(huán)、霍爾器件、（次級線圈）和放大電路等組成。眾所周知，當(dāng)電流通過一根長導(dǎo)線時，在導(dǎo)線周圍將產(chǎn)生一磁場，這一磁場的大小與流過導(dǎo)線的電流成正比，它可以通過磁芯聚集感應(yīng)到霍爾器件上并使其有一信號輸出。這一信號經(jīng)信號放大器放大后直接輸出，一般的額定輸出標(biāo)定為4V。另外一種就是磁平衡式電流傳感器（閉環(huán)式），磁平衡式電流傳感器也稱補償式傳感器，即主回路被測電流Ip在聚磁環(huán)處所產(chǎn)生的磁場通過一個次級線圈，電流所產(chǎn)生的磁場進(jìn)行補償，從而使霍爾器件處于檢測零磁通的工作狀態(tài)。　　額定輸出標(biāo)定為4V。霍爾開關(guān)由穩(wěn)壓器、霍爾元件、差分放大器，斯密特觸發(fā)器和輸出級組成，輸出數(shù)字信號。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京直流屏霍爾傳感器,霍爾傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637311262557548828/1485918.png"></div><p style="text-indent:25px">霍爾傳感器是根據(jù)霍爾效應(yīng)制作的一種磁場傳感器，普遍地應(yīng)用于工業(yè)自動化技術(shù)、檢測技術(shù)及信息處理等方面。通過霍爾效應(yīng)實驗測定的霍爾系數(shù)，能夠判斷半導(dǎo)體材料的導(dǎo)電類型、載流子濃度及載流子遷移率等重要參數(shù)。由于霍爾元件產(chǎn)生的電勢差很小，故通常將霍爾元件與放大器電路、溫度補償電路及穩(wěn)壓電源電路等集成在一個芯片上，稱之為霍爾傳感器。霍爾傳感器也稱為霍爾集成電路。目前的霍爾傳感器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。霍爾傳感器電壓隨磁場強度的變化而變化，磁場越強，電壓越高，磁場越弱，電壓越低。武漢霍爾傳感器工廠</p><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)體中會產(chǎn)生差分電壓。北京直流屏霍爾傳感器</p><p style="text-indent:25px"> 在我們的日常生活中，霍爾傳感器被普遍應(yīng)用。未來幾年，隨著越來越多的汽車電子和工業(yè)設(shè)計企業(yè)轉(zhuǎn)移到中國，霍爾傳感器在中國市場的年銷售額將保持20%到30%的高速增長。與此同時，霍爾傳感器的相關(guān)技術(shù)仍在不斷完善中，霍爾傳感器將有更好的市場前景?；魻栃酒闹饕笜?biāo)有：靈敏度、精確度、溫度漂移、失調(diào)、線性度、動態(tài)范圍等。對磁場精度要求不高的霍爾芯片已經(jīng)有一批相當(dāng)成熟的產(chǎn)品，但是霍爾盤的缺陷限制了其在高精度測量場合中的應(yīng)用。溫度漂移和失調(diào)電壓是霍爾盤主要的缺陷，溫度漂移使霍爾傳感器的線性度變差，失調(diào)電壓易使處理電路飽和，影響測量范圍。北京直流屏霍爾傳感器</p></p><br /><p>文章來源地址: 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