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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="jyqxwsz" 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>佛山HX6649霍爾開關(guān),霍爾開關(guān)</p><p><span>***更新：</span>2020-11-07 01:07:18</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="3pb7gac" 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(jī): </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(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="jyvxm83" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="imoapb2" class="box"><p><p> 如何判斷單極開關(guān)型霍爾開關(guān)是否有損壞？ </p> <p> 比如說，單極開關(guān)霍爾開關(guān)為5V接通，輸出端子的輸出電阻為串聯(lián)。當(dāng)磁體遠(yuǎn)離開關(guān)霍爾開關(guān)時，開關(guān)霍爾開關(guān)的輸出電壓為高電平(5V)。當(dāng)磁體接近(通常為S極)單極霍爾開關(guān)元件時，開關(guān)霍爾開關(guān)的輸出電壓較低(約0，佛山HX6649霍爾開關(guān).2V)，說明開關(guān)開型霍爾開關(guān)性能良好。如果霍爾開關(guān)的輸出電平保持不變，就無法識別磁鐵接近或離開霍爾開關(guān)，則霍爾開關(guān)損壞。單極霍爾開關(guān)起到的就是開關(guān)功能，通過感應(yīng)磁場靠近或者原理來輸出低電壓或者高電壓，如果電壓不變，這個霍爾就已經(jīng)被損壞了。我公司提供的霍爾產(chǎn)品，精度高、抗應(yīng)力、耐氧化，佛山HX6649霍爾開關(guān)，佛山HX6649霍爾開關(guān)、壽命長，同時我們價格適中，性價比高。佛山HX6649霍爾開關(guān)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山HX6649霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128651993964844/7488362.jpg"></div><p> 霍爾開關(guān)在自動取款機(jī)中的應(yīng)用 </p> <p> 自動柜員機(jī)也稱為自動取款機(jī)，主要用于取款，也稱為ATM。自動取款機(jī)是一種高精度的機(jī)電一體化裝置，使用智能卡或磁卡實(shí)現(xiàn)金錢交易的自助服務(wù)，而不是銀行柜臺人員的工作?；魻栭_關(guān)在ATM中的紙幣厚度的檢測和識別中起著重要的作用。霍爾開關(guān)與磁鐵之間的感應(yīng)用來改變檢測間隔，檢測間隔在霍爾開關(guān)輸出端產(chǎn)生與變化相對應(yīng)的電信號，經(jīng)霍爾開關(guān)放大，霍爾開關(guān)放大后由執(zhí)行機(jī)構(gòu)控制分揀機(jī)構(gòu)對快速移動中的計數(shù)筆記進(jìn)行分揀識別。一般使用線性的霍爾開關(guān)來感應(yīng)磁場的變化。如HX6659、HX6639等型號。北京HX6669霍爾開關(guān)霍爾元件廠家哪家好?十六年專業(yè)做霍爾,霍爾傳感器華芯晟霍爾元件廠家十六年專業(yè)品質(zhì),只做質(zhì)量霍爾!</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山HX6649霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652179267579/4994992.jpg"></div><p> 霍爾開關(guān)的檢測方法 </p> <p> 如何檢測霍爾元件有沒有發(fā)生損壞呢？取三孔插座一個,1腳為5-15V電源,2腳接地,3腳接輸出。把霍爾開關(guān)按1,2,3腳插 </p> <p> 接在插座上。接通電源，萬用表接3,2腳測輸出電壓。用磁鐵一磁極靠近霍爾開關(guān)的正面，觀察萬用表輸出電壓，換用另一磁極靠近霍爾的正面，觀察萬用表輸出電壓。磁極靠近霍爾開關(guān)時，若輸出電壓出現(xiàn)跳變，霍爾開關(guān)屬于正常。若電壓不變，萬用表改接1,3腳，重復(fù)上述過程，若輸出電壓仍不變，說明霍爾開關(guān)損壞。 </p><p> 1、霍爾系數(shù)RH（又稱霍爾常數(shù)）在磁場不太強(qiáng)時，霍爾電勢差UH與激勵電流I和磁感應(yīng)強(qiáng)度B的乘積成正比，與霍爾片的厚度δ成反比，即，式中的RH稱為霍爾系數(shù)，它表示霍爾效應(yīng)的強(qiáng)弱。另即霍爾常數(shù)等于霍爾片材料的電阻率ρ與電子遷移率μ的乘積。2、霍爾靈敏度KH（又稱霍爾乘積靈敏度）霍爾靈敏度與霍爾系數(shù)成正比而與霍爾片的厚度δ成反比，即，它通?？梢员碚骰魻柍?shù)。3、霍爾額定激勵電流當(dāng)霍爾元件自身溫升10℃時所流過的激勵電流稱為額定激勵電流。4、霍爾比較大允許激勵電流以霍爾元件允許比較大溫升為限制所對應(yīng)的激勵電流稱為比較大允許激勵電流。5、霍爾輸入電阻霍爾激勵電極間的電阻值稱為輸入電阻。6、霍爾輸出電阻霍爾輸出電極間的電阻值稱為輸出電阻。7、霍爾元件的電阻溫度系數(shù)在不施加磁場的條件下，環(huán)境溫度每變化1℃時，電阻的相對變化率，用α表示，單位為%/℃。我司的產(chǎn)品可替代目前市場上大部分allegro、honeywell、旭化成等霍爾產(chǎn)品。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="佛山HX6649霍爾開關(guān),霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128651993886719/2199122.jpg"></div><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(qiáng)度越強(qiáng)，翰出的霍爾電壓就越大；磁場感應(yīng)的強(qiáng)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(jī)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(jìn)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?yàn)榉诺奈恢貌煌?，所涉及的原理也不太一樣，所以它們是不能互相代?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!江蘇HXS41H霍爾開關(guān)</p><p style="text-indent:25px">質(zhì)量霍爾元件廠家華芯晟,高精度低功耗霍爾元件廠家霍爾元件廠家華芯晟。佛山HX6649霍爾開關(guān)</p><p> 線性霍爾開關(guān)的內(nèi)部構(gòu)造和工作原理 </p> <p> 線性型霍爾開關(guān)的內(nèi)部構(gòu)成主要包括：穩(wěn)壓電路、線性霍爾開關(guān)、運(yùn)算放大器三大部分。其輸入是磁感應(yīng)強(qiáng)度，輸出是和輸入量成正比的電壓。這類電路有很高的靈敏度和優(yōu)良的線性度，適用于各種磁場檢測。線性霍爾開關(guān)會根據(jù)磁場的強(qiáng)弱觸發(fā)出拋物線式的行程，比如電動車的加速把就是用線性霍爾開關(guān)，可以根據(jù)磁場的變化使速度從0加到比較大，但是磁場強(qiáng)度超過某區(qū)間比較高點(diǎn)時，速度始終保持不變。線性霍爾還可用于磁場檢測和電流檢測。佛山HX6649霍爾開關(guān)</p><p style="text-indent:25px">無錫華芯晟科技有限公司致力于電子元器件，以科技創(chuàng)新實(shí)現(xiàn)***管理的追求。無錫華芯科技擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊，以高度的專注和執(zhí)著為客戶提供霍爾元件，霍爾開關(guān)，霍爾傳感器，電機(jī)霍爾。無錫華芯科技繼續(xù)堅定不移地走高質(zhì)量發(fā)展道路，既要實(shí)現(xiàn)基本面穩(wěn)定增長，又要聚焦關(guān)鍵領(lǐng)域，實(shí)現(xiàn)轉(zhuǎn)型再突破。無錫華芯科技始終關(guān)注電子元器件市場，以敏銳的市場洞察力，實(shí)現(xiàn)與客戶的成長共贏。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/1877879.html</p></div></div></div></div></div><div id="gzb332m" class="page-right twoColRt"><div id="877b2fb" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="qz7edeq" class="recomPic likePro"><a 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