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class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128651998808594/8328996.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="qho2k3b" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128651998808594/8328996.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="dspz2u7" 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)品關鍵詞：</span>北京HX6278霍爾開關價格,霍爾開關</p><p><span>***更新：</span>2021-01-07 06:03:31</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="baheyk3" 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="yi79vnf" class="page-proshow02"><p class="title">詳細說明</p><div id="b8gikbi" class="box"><p><p> 霍爾開關器件按照霍爾開關的感應方式可將它們分為：單極性霍爾開關、雙極性霍爾開關、全極性霍爾開關。單極性霍爾開關的感應方式：磁場的一個磁極靠近它，輸出低電位電壓（低電平）或關的信號，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，單極性霍爾開關它會指定某磁極感應才有效，一般是正面感應磁場S極，反面感應N極。雙極性霍爾開關的感應方式：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的開和關（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。另外，雙極性霍爾開關的初始狀態(tài)是隨機輸出，有可能是高電平，也有可能是低電平。全極性霍爾開關的感應方式：全極性霍爾開關的感應方式與單極性霍爾開關的感應方式相似，區(qū)別在于，北京HX6278霍爾開關價格，單極性霍爾開關會指定磁極，而全極性霍爾開關不會指定磁極，北京HX6278霍爾開關價格，任何磁極靠近輸出低電平信號，離開輸出高電平信號。華芯霍爾元件好不好?一試您就知道!華芯霍爾元件歡迎試樣!**選樣，北京HX6278霍爾開關價格,用事實說話,用數(shù)據(jù)證明.北京HX6278霍爾開關價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京HX6278霍爾開關價格,霍爾開關" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128651998808594/8328996.jpg"></div><p> 如何去判斷霍爾元件的感應距離？ </p> <p> 霍爾的感應距離也和磁場的強度有直接的關系，一般霍爾的感應距離是在1CM左右。一般來說，要先選霍爾，選好霍爾之后再去配套磁鐵，這樣磁鐵和霍爾的配套性更強。要是需要感應的距離比較遠，那么就需要加大磁場，或選擇高靈敏度的霍爾開關。感應距離的遠近是需要磁場和霍爾共同搭配來使用的，也或者您的磁場特別強，可能靈敏度稍微低一些的霍爾開關也是可以感應到的，當然還是需要您在實際的電路中去測試的。茂名HX6669霍爾開關廠家霍爾元件選型,廠家直銷華芯霍爾元件,十六年專業(yè)做霍爾,無損耗耐用霍爾元件華芯幫您一站搞定,好評如潮!</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京HX6278霍爾開關價格,霍爾開關" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652398330079/8560020.jpg"></div><p> 霍爾開關在電動車中的應用 </p> <p> 霍爾開關在電動車速度控制開關中的作用：旋轉(zhuǎn)手柄的旋轉(zhuǎn)角度由霍爾開關轉(zhuǎn)換為可變數(shù)字電壓到可變數(shù)字電壓，以便為控制器提供調(diào)節(jié)的目的。一般使用線性霍爾開關來實現(xiàn)該功能，如HX6649,HX6659,HX6639等線性霍爾開關 </p> <p> 其次，霍爾開關在電動汽車電機中的作用：霍爾開關在電動汽車電機中的主要作用是改變相電流的方向，用來代替電機的電刷，所以使用霍爾開關的電機必須是無刷電機。一般使用鎖存型霍爾開關如HX41F,HXS41H,HX6571等 </p> <p> 霍爾開關在電動車輛斷開制動中的作用：斷開制動的霍爾開關是將制動時產(chǎn)生的磁場強度變化轉(zhuǎn)化為數(shù)字電壓，為電機提供動力啟動剎車裝置。一般使用單極霍爾開關如HX6286,HX6278,HX6287等。 </p><p> 霍爾元件應用霍爾效應的半導體。所謂霍爾效應，是指磁場作用于載流金屬導體、半導體中的載流子時，產(chǎn)生橫向電位差的物理現(xiàn)象。金屬的霍爾效應是1879年被美國物理學家霍爾發(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。半導體中的霍爾效應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。利用霍爾效應可以設計制成多種傳感器?；魻栯娢徊頤H的基本關系為：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的磁感應強度；d――導體的厚度。對于半導體和鐵磁金屬，霍爾系數(shù)表達式和式（2）不同。由于通電導線周圍存在磁場，其大小和導線中的電流成正比，故可以利用霍爾元件測量出磁場，就可確定導線電流的大小。利用這一原理可以設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。霍爾哪家好,買霍爾元件還是選華芯晟!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)量供應商.</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京HX6278霍爾開關價格,霍爾開關" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652390498047/8123960.jpg"></div><p> <p> 按照霍爾開關的功能可將它們分為：霍爾線性器件和霍爾開關器件。前者輸出模擬量，后者輸出數(shù)字量。 </p> <p> 按被檢測的對象的性質(zhì)可將它們的應用分為：直接應用和間接應用。前者是直接檢測出受檢測對象本身的磁場或磁特性，后者是檢測受檢對象上人為設置的磁場，用這個磁場來作被檢測的信息的載體，通過它，將許多非電、非磁的物理量例如力、力矩、壓力、應力、位置、位移、速度、加速度、角度、角速度、轉(zhuǎn)數(shù)、轉(zhuǎn)速以及工作狀態(tài)發(fā)生變化的時間等，轉(zhuǎn)變成電量來進行檢測和控制。 </p> 質(zhì)量霍爾元件,中國**霍爾元件,選霍爾,找華芯!華芯霍爾元件,穩(wěn)定性強,一致性高,無抖動,高精度,抗應力。北京HX6278霍爾開關價格</p><p style="text-indent:25px">質(zhì)量霍爾元件盡在華芯--十六年專業(yè)做霍爾華芯專業(yè)大量提供霍爾元件批發(fā),量大采購有優(yōu)惠!北京HX6278霍爾開關價格</p><p> 如何判斷和尋找匹配的霍爾元件呢？現(xiàn)在我們就做如下的介紹。 </p> <p> 我們都知道使用霍爾開關，必不可少要使用到磁鐵。因為霍爾傳感器是感應磁場工作的。但是很多人不知道磁鐵的強度如何選擇？我們在選擇磁鐵的時候，一般磁場是要大于您所選擇霍爾工作點的1-2倍，這樣霍爾開關才會感應到磁場并工作。 </p> <p> 在選擇霍爾開關的時候。每當我們問起客戶的磁場是多大的時候，客戶都會說我的磁鐵是圓形的，或者說是比較小的，會去形容這個磁鐵的大小，外形。但是其實磁鐵的形狀和磁場的大小是沒有任何關系的，因為磁場的強度不會因為您磁鐵大就大，磁鐵小就小的。北京HX6278霍爾開關價格</p><p> 無錫華芯晟科技有限公司成立于2003年，是一家專業(yè)從事霍爾元件研發(fā)、生產(chǎn)、測試、銷售為一體的的大型綜合型企業(yè)。公司主要生產(chǎn)先進的霍爾效應集成傳感器產(chǎn)品，與中國科學院電子研究所、蘇州納米研究所等**研究機構(gòu)及企業(yè)建立了戰(zhàn)略合作關系，具有較強的新產(chǎn)品、新技術開發(fā)能力。 </p> <p> 華芯公司注重研發(fā),公司擁有一批專業(yè)器件設計、集成電路設計和測試的工程師，并具有前列的開發(fā)測試平臺。已經(jīng)開發(fā)了RF LDMOS系列、RF VDMOS系列等多項具有自主知識產(chǎn)權、**中國集成電路水平的**產(chǎn)品。并與中國科學院微電子研究所共同研制開發(fā)了功率VDMOS、霍爾效應集成傳感器等產(chǎn)品。 </p> <p> 華芯公司保證向客戶提供高質(zhì)創(chuàng)新的產(chǎn)品。產(chǎn)品采用嚴格的質(zhì)量檢控方法,以確保產(chǎn)品質(zhì)量的可靠性。憑借可靠的商業(yè)信譽,質(zhì)量的售后服務以及現(xiàn)代化的生產(chǎn),已在全球的客戶中贏得了很好的聲譽。 </p> <p> 華芯公司強調(diào)發(fā)展,每年都會定期向市場推出新產(chǎn)品。華芯的產(chǎn)品**于國內(nèi)外市場 ,并得到廣大客戶的一致好評。華芯堅持“質(zhì)量優(yōu)先,服務至高,信譽優(yōu)先”的管理原則。誠摯的希望同所有的客戶一起創(chuàng)造勝利并分享成功的秘訣! </p> <p> 歡迎您聯(lián)系我們了解更多信息,華芯期待與您的合作! </p> <p> <br /> </p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2739049.html</p></div></div></div></div></div><div id="aubyfh3" class="page-right twoColRt"><div id="ei8pbyf" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="ti8eqxj" class="recomPic likePro"><a href="http://m.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配件哪家強信息推薦自業(yè)物資供應" class="vcenter" 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