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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wgyv3ug" 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HX6574霍爾開關(guān),霍爾開關(guān)</p><p><span>***更新：</span>2020-12-08 05:05:35</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="qu8gy72" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無錫華芯晟科技有限公司</a></p><p><span>聯(lián)系人：</span>江經(jīng)理</p><p><span>郵箱: </span>wxhxkj@126.com</p><p><span>電話: </span>15995280887</p><p><span>傳真: </span>0510_88530068</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0510-88530068</p><p><span>地址: </span>安鎮(zhèn)街道丹山路88號錫東創(chuàng)融大廈C座603</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="z3uqi3w" class="page-proshow02"><p class="title">詳細說明</p><div id="3hewyk8" class="box"><p><p> 霍爾元件在汽車后視鏡中的應(yīng)用： </p> <p> 在后視鏡的設(shè)計中，必須研究以下問題： </p> <p> （1）保護行人和乘客的形狀和結(jié)構(gòu)不受傷害；（2）符合車輛造型的概念；（3）減小空氣阻力的形狀；（4）適應(yīng)不同的氣候條件。（5）選擇適合大規(guī)模生產(chǎn)的結(jié)構(gòu)和材料。 </p> <p> 后視鏡霍爾元件主要在后視鏡當中起到了角度測量的關(guān)鍵作用，后視鏡霍爾元件便于控制系統(tǒng)在后視鏡折疊展開到預(yù)定位置時能停止并調(diào)整動力電機當中的電源，防止遭受破壞，后視鏡霍爾元件主要使用的是雙極鎖存霍爾元件，同樣的霍爾元件可以用在其他不同的地方。如HX41F-H,HXS41H,HX6571，北京HX6574霍爾開關(guān),HX6572,HX6573，北京HX6574霍爾開關(guān),HX6574等霍爾哪家好,買霍爾元件還是選華芯晟，北京HX6574霍爾開關(guān)!華芯晟提供各種類型的高靈敏度霍爾元件 , 霍爾集成電路 , 霍爾質(zhì)量供應(yīng)商.北京HX6574霍爾開關(guān)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京HX6574霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652176132813/2591906.jpg"></div><p> 霍爾開關(guān)怎么使用？霍爾器件是一種對磁場強度起反應(yīng)的小型器件，只要它附近的磁場有變化它就有反應(yīng)并輸出相應(yīng)的電壓或脈沖電壓（開關(guān)型霍爾器件）。 </p> <p> 在用霍爾傳感器測量直流電動機的轉(zhuǎn)速時，將一個小磁鐵塊固定在電機的轉(zhuǎn)子上，將霍爾傳感器（開關(guān)型）靠近小磁鐵附近，當電機轉(zhuǎn)動以后，磁鐵會以一定的周期靠近傳感器一次，這樣霍爾傳感器將輸出一個低電平，當小磁鐵遠離傳感器時，傳感器輸出一個高電平。將這個脈沖送到單片機內(nèi)部定時器，計算出脈沖一個周期的時間，就可以算出電機的轉(zhuǎn)速。北京HX6574霍爾開關(guān)華芯16年專業(yè)做線性霍爾元件量大從優(yōu)!霍爾元件抗應(yīng)力,無抖動,一致性好,可替代進口產(chǎn)品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京HX6574霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652159726563/7947426.jpg"></div><p> 霍爾元件應(yīng)用霍爾效應(yīng)的半導(dǎo)體。所謂霍爾效應(yīng)，是指磁場作用于載流金屬導(dǎo)體、半導(dǎo)體中的載流子時，產(chǎn)生橫向電位差的物理現(xiàn)象。金屬的霍爾效應(yīng)是1879年被美國物理學(xué)家霍爾發(fā)現(xiàn)的。當電流通過金屬箔片時，若在垂直于電流的方向施加磁場，則金屬箔片兩側(cè)面會出現(xiàn)橫向電位差。半導(dǎo)體中的霍爾效應(yīng)比金屬箔片中更為明顯，而鐵磁金屬在居里溫度以下將呈極強的霍爾效應(yīng)。利用霍爾效應(yīng)可以設(shè)計制成多種傳感器。霍爾電位差UH的基本關(guān)系為：式中 RH――霍爾系數(shù)；n――單位體積內(nèi)載流子或自由電子的個數(shù)；q――電子電量；I――通過的電流；B――垂直于I的磁感應(yīng)強度；d――導(dǎo)體的厚度。對于半導(dǎo)體和鐵磁金屬，霍爾系數(shù)表達式和式（2）不同。由于通電導(dǎo)線周圍存在磁場，其大小和導(dǎo)線中的電流成正比，故可以利用霍爾元件測量出磁場，就可確定導(dǎo)線電流的大小。利用這一原理可以設(shè)計制成霍爾電流傳感器。若把霍爾元件置于電場強度為E、磁場強度為H的電磁場中，則在該元件中將產(chǎn)生電流I，元件上同時產(chǎn)生的霍爾電位差和電場強度E成正比，如果再測出該電磁場的磁場強度，則電磁場的功率密度瞬時值P可由確定。 </p><p> 線性霍爾和開關(guān)式霍爾可以通用嗎？在轉(zhuǎn)把上用的霍爾開關(guān)，我們把它叫線性霍爾開關(guān)。就是說，根據(jù)磁場感應(yīng)的大小，它的電壓會隨著磁場大小的變化而變化，磁場感應(yīng)的強度越強，翰出的霍爾電壓就越大；磁場感應(yīng)的強度越小，翰出的電壓就越小。所以我們在轉(zhuǎn)動轉(zhuǎn)把時，電壓可以從由小到大，逐漸加大，或者是逐漸變小。在電機上用的霍爾開關(guān)，我們把它叫做開關(guān)式霍爾開關(guān)。在磁場靠近霍爾開關(guān)時，這是霍爾元件直接導(dǎo)通狀態(tài)，輸出比較大電壓。磁場感應(yīng)離開時，直接進入關(guān)閉狀態(tài)，沒有電壓輸出。就像個開關(guān)一樣的，保持通斷的功能。不能像轉(zhuǎn)把霍爾開關(guān)那樣，逐步的施加電壓。所以這兩種霍爾開關(guān)，因為放的位置不同，所涉及的原理也不太一樣，所以它們是不能互相代。霍爾元件新春大促中~華芯質(zhì)量霍爾元件，多年行業(yè)好評，質(zhì)量好，價格優(yōu)，長期與多加**企業(yè)合作。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京HX6574霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652086308594/667773.jpg"></div><p> 霍爾開關(guān)器件 </p> <p> 按照霍爾開關(guān)的感應(yīng)方式可將它們分為：單極性霍爾開關(guān)、雙極性霍爾開關(guān)、全極性霍爾開關(guān)。 </p> <p> 單極性霍爾開關(guān)的感應(yīng)方式：磁場的一個磁極靠近它，輸出低電位電壓（低電平）或關(guān)的信號，磁場磁極離開它輸出高電位電壓（高電平）或開的信號，但要注意的是，單極性霍爾開關(guān)它會指定某磁極感應(yīng)才有效，一般是正面感應(yīng)磁場S極，反面感應(yīng)N極。 </p> <p> 雙極性霍爾開關(guān)的感應(yīng)方式：因為磁場有兩個磁極N、S（正磁或負磁），所以兩個磁極分別控制雙極性霍爾開關(guān)的開和關(guān)（高低電平），它一般具有鎖定的作用，也就是說當磁極離開后，霍爾輸出信號不發(fā)生改變，直到另一個磁極感應(yīng)。另外，雙極性霍爾開關(guān)的初始狀態(tài)是隨機輸出，有可能是高電平，也有可能是低電平。全極性霍爾開關(guān)的感應(yīng)方式：全極性霍爾開關(guān)的感應(yīng)方式與單極性霍爾開關(guān)的感應(yīng)方式相似，區(qū)別在于，單極性霍爾開關(guān)會指定磁極，而全極性霍爾開關(guān)不會指定磁極，任何磁極靠近輸出低電平信號，離開輸出高電平信號。華芯精選各類霍爾元件,提供高質(zhì)量產(chǎn)品服務(wù),各類型號霍爾元件.霍爾元件一站搞定,價格優(yōu)惠歡迎咨詢!廣東HX6574霍爾開關(guān)</p><p style="text-indent:25px">華芯霍爾元件，質(zhì)量霍爾元件，行業(yè)**霍爾元件，廠家直銷，質(zhì)量有保障。北京HX6574霍爾開關(guān)</p><p> 開關(guān)型霍爾開關(guān)的內(nèi)部構(gòu)成和工作原理 </p> <p> 開關(guān)型霍爾傳感器由穩(wěn)壓器、霍爾開關(guān)、放大器、斯密特觸發(fā)器和輸出級組成。當磁性物件移近霍爾開關(guān)時，開關(guān)檢測面上的霍爾開關(guān)因產(chǎn)生霍爾效應(yīng)而使開關(guān)內(nèi)部電路狀態(tài)發(fā)生變化，由此識別附近有磁性物體存在，進而控制開關(guān)的通或斷。這種接近開關(guān)的檢測對象必須是磁性物體。開關(guān)型霍爾開關(guān)分為雙極霍爾開關(guān)，鎖存型霍爾開關(guān)，單極霍爾開關(guān)和全極霍爾開關(guān)，其中全極霍爾開關(guān)又分為全極微功耗霍爾開關(guān)和全極非微功耗霍爾開關(guān)。開關(guān)型霍爾可應(yīng)用于各個行業(yè)，實現(xiàn)替代固態(tài)開關(guān)的功能。北京HX6574霍爾開關(guān)</p><p style="text-indent:25px">無錫華芯晟科技有限公司位于安鎮(zhèn)街道丹山路88號錫東創(chuàng)融大廈C座603。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)，公司旗下霍爾元件，霍爾開關(guān)，霍爾傳感器，電機霍爾深受客戶的喜愛。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。無錫華芯科技憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來的聲譽和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2313391.html</p></div></div></div></div></div><div id="6wdfmoa" class="page-right twoColRt"><div id="bqifx7y" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ap7pmo7" class="recomPic likePro"><a 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