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id="mtfp7qp" 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>梅州低功耗霍爾開關(guān)價格,霍爾開關(guān)</p><p><span>***更新：</span>2021-02-05 03:03:39</p><p><span id="click" >瀏覽次數(shù)：4次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="etlwikr" 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(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="3h4phjl" class="page-proshow02"><p class="title">詳細說明</p><div id="xmjqn8p" class="box"><p><p style="text-indent:25px">無錫華芯晟科技有限公司成立于2003年，是一家專業(yè)從事霍爾開關(guān)研發(fā)，梅州低功耗霍爾開關(guān)價格、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(yīng)集成傳感器產(chǎn)品，與中國科學(xué)院電子研究所，梅州低功耗霍爾開關(guān)價格、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(guān)系，具有較強的新產(chǎn)品、新技術(shù)開發(fā)能力。華芯公司注重研發(fā),公司擁有一批專業(yè)的專業(yè)器件設(shè)計、集成電路設(shè)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(quán)、**中國集成電路水平的**產(chǎn)品。并與中國科學(xué)院微電子研究所共同研制開發(fā)了功率VDMOS、霍爾效應(yīng)集成傳感器等產(chǎn)品。華芯霍爾元件,多年數(shù)據(jù)驗證,一致性高，梅州低功耗霍爾開關(guān)價格,無抖動,高精度,抗應(yīng)力,可替代各大進口品牌,用16年數(shù)據(jù)說話,歡迎試樣.梅州低功耗霍爾開關(guān)價格</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="梅州低功耗霍爾開關(guān)價格,霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652109541016/3122979.jpg"></div><p> 1、霍爾系數(shù)RH（又稱霍爾常數(shù)）在磁場不太強時，霍爾電勢差UH與激勵電流I和磁感應(yīng)強度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%/℃。深圳HX6475霍爾開關(guān)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="梅州低功耗霍爾開關(guān)價格,霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637128652007578125/896127.jpg"></div><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(guān)，必不可少要使用到磁鐵。因為霍爾傳感器是感應(yīng)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(guān)才會感應(yīng)到磁場并工作。 </p> <p> 在選擇霍爾開關(guān)的時候。每當(dāng)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(guān)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。 </p><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(dāng)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。華芯多年專業(yè)做霍爾,大品牌值得信賴,精選各類霍爾元件,好評如潮,庫存充足!霍爾元件一站搞定,價格優(yōu)惠!</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="梅州低功耗霍爾開關(guān)價格,霍爾開關(guān)" src="http://tyunfile.71360.com/UploadFile/wxhxskj/637082098602500000/9370354.jpg"></div><p> 霍爾開關(guān)在電動車中的應(yīng)用 </p> <p> 霍爾開關(guān)在電動車速度控制開關(guān)中的作用：旋轉(zhuǎn)手柄的旋轉(zhuǎn)角度由霍爾開關(guān)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(guān)來實現(xiàn)該功能，如HX6649,HX6659,HX6639等線性霍爾開關(guān) </p> <p> 其次，霍爾開關(guān)在電動汽車電機中的作用：霍爾開關(guān)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(guān)的電機必須是無刷電機。一般使用鎖存型霍爾開關(guān)如HX41F,HXS41H,HX6571等 </p> <p> 霍爾開關(guān)在電動車輛斷開制動中的作用：斷開制動的霍爾開關(guān)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(guān)如HX6286,HX6278,HX6287等。華芯全極霍爾元件功耗低,穩(wěn)定性高,一致性好,廣泛應(yīng)用于電池供電設(shè)備,全極霍爾元件不分南極北極,便于安裝。河北HX6475霍爾開關(guān)價格</p><p style="text-indent:25px">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霍爾元件 ,霍爾哪家好選擇華芯晟準(zhǔn)沒錯!梅州低功耗霍爾開關(guān)價格</p><p> 霍爾元件在煙霧報警器中的應(yīng)用： </p> <p> 煙霧報警器，又稱煙霧傳感器、火災(zāi)煙霧報警器、煙霧傳感器等。總線由總線供電，可連接到多個，與火警控制器連接，通信構(gòu)成報警系統(tǒng)，報警現(xiàn)場無聲音，主機有聲光提示，這種煙霧報警裝置一般稱為煙霧探測器。 </p> <p> 在報警器內(nèi)部有應(yīng)用到霍爾傳感器，在報警器中的霍爾傳感器起到了檢測自身電路的作用，當(dāng)火災(zāi)發(fā)生時煙霧報警器霍爾傳感器測量到市內(nèi)溫度達到一定點時，煙霧報警器就會亮燈并且開始運作，一般可以用磁鐵來靠近煙霧報警器來進行檢測，如果指示燈正常亮起這煙霧警報器一切正常，若沒亮起就必須要跟換新的報警器了。在煙霧報警器中常常會使用到全極霍爾傳感器。梅州低功耗霍爾開關(guān)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(yīng)集成傳感器產(chǎn)品，與中國科學(xué)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(guān)系，具有較強的新產(chǎn)品、新技術(shù)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(shè)計、集成電路設(shè)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(quán)、**中國集成電路水平的**產(chǎn)品。并與中國科學(xué)院微電子研究所共同研制開發(fā)了功率VDMOS、霍爾效應(yīng)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(wù)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(wù)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> 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