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</span>http://www.qdsy-sensor.cn</p><p><span>手機(jī): </span>0513-86378688</p><p><span>地址: </span>寅陽鎮(zhèn)洪佳路8號(hào)</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="yhy3xta" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="7cypbct" class="box"><p><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(jī)、電力機(jī)車、變電站、數(shù)控機(jī)床、電解電鍍、微機(jī)監(jiān)測(cè)，廣州霍爾傳感器生產(chǎn)廠家有哪些、電網(wǎng)監(jiān)測(cè)等需要隔離檢測(cè)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(hào)、汽車電子等領(lǐng)域。霍爾效應(yīng)傳感器，廣州霍爾傳感器生產(chǎn)廠家有哪些，可以測(cè)量任意波形的電流和電壓。輸出端能真實(shí)地反映輸入端電流或電壓的波形參數(shù)。針對(duì)霍爾效應(yīng)傳感器普遍存在溫度漂移大的缺點(diǎn)，廣州霍爾傳感器生產(chǎn)廠家有哪些，采用補(bǔ)償電路進(jìn)行控制，有效地減少了溫度對(duì)測(cè)量精度的影響，確保測(cè)量準(zhǔn)確;具有精度高、安裝方便、售價(jià)低的特點(diǎn)?；魻杺鞲衅?霍爾元件)是根據(jù)霍爾效應(yīng)制作的一種磁場(chǎng)傳感器。廣州霍爾傳感器生產(chǎn)廠家有哪些</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州霍爾傳感器生產(chǎn)廠家有哪些,霍爾傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759979101562/2915572.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(chǎng)傳感器?；魻栃?yīng)是磁電效應(yīng)的一種，這一現(xiàn)象是霍爾（A.H.Hall，1855—1938）于1879年在研究金屬的導(dǎo)電機(jī)構(gòu)時(shí)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(qiáng)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(dòng)化技術(shù)、檢測(cè)技術(shù)及信息處理等方面。霍爾效應(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(shí)驗(yàn)測(cè)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)。其工作原理為如圖半導(dǎo)體薄片置于磁場(chǎng)中，當(dāng)它的電流方向與磁場(chǎng)方向不一致時(shí)，半導(dǎo)體薄片上平行于電流和磁場(chǎng)方向的兩個(gè)面之間產(chǎn)生電動(dòng)勢(shì)，這種現(xiàn)象稱霍爾效應(yīng)。產(chǎn)生的電動(dòng)勢(shì)稱霍爾電勢(shì)半導(dǎo)體薄片稱霍爾元件。廣州霍爾傳感器生產(chǎn)廠家有哪些霍爾傳感器被普遍應(yīng)用到工業(yè)、汽車業(yè)、電腦、手機(jī)以及新興消費(fèi)電子領(lǐng)域。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州霍爾傳感器生產(chǎn)廠家有哪些,霍爾傳感器" src="https://tyunfile.71360.com/UploadFile/shuangying/637314759970781250/5976426.png"></div><p style="text-indent:25px">霍爾傳感器可分為線型和開關(guān)型兩種。線型霍爾傳感器又可分為開環(huán)式線性霍爾傳感器和閉環(huán)式線性霍爾傳感器(又稱為零磁通霍爾傳感器)，主要包括霍爾元件、線性放大器和設(shè)計(jì)跟隨器三大部分，用于測(cè)量交流電流、直流電流、電壓。開關(guān)型霍爾傳感器主要包括霍爾元件、差分放大器、穩(wěn)壓器、斯密特觸發(fā)器、輸出級(jí)組成，用于數(shù)字量的輸出。霍爾電壓：恒定電流流經(jīng)霍爾半導(dǎo)體片，洛侖茲力的作用使得電流在通過霍爾半導(dǎo)體時(shí)偏向一側(cè)，使得在電流垂直方向上產(chǎn)生電位差，即霍爾電壓?；魻栯妷菏艽艌?chǎng)強(qiáng)度影響，磁場(chǎng)越強(qiáng)，霍爾電壓越高。霍爾集成電路需使用機(jī)械方法來改變磁場(chǎng)強(qiáng)度從而改變霍爾電壓以達(dá)到傳感的作用，方法多種多樣，接下來介紹其中的一種方法。在下圖所示圖片中，控制磁通量的開關(guān)是一個(gè)轉(zhuǎn)動(dòng)的葉輪，當(dāng)葉輪的葉片位于磁鐵與霍爾集成電路間的氣隙時(shí)，磁場(chǎng)向集成片方向偏去使得霍爾電壓消失，因此可通過集成電路輸出電壓量的變化來表示葉輪驅(qū)動(dòng)軸的位置。</p><p style="text-indent:25px">霍爾傳感器用它可以檢測(cè)磁場(chǎng)及其變化，可在各種與磁場(chǎng)有關(guān)的場(chǎng)合中使用?；魻杺鞲衅饕曰魻栃?yīng)為其工作基礎(chǔ)，是由霍爾元件和它的附屬電路組成的集成傳感器。霍爾傳感器在工業(yè)生產(chǎn)、交通運(yùn)輸和日常生活中有著非常普遍的應(yīng)用。霍爾效應(yīng)：在半導(dǎo)體薄片兩端通以控制電流I，并在薄片的垂直方向施加磁感應(yīng)強(qiáng)度為B的勻強(qiáng)磁場(chǎng)，則在垂直于電流和磁場(chǎng)的方向上，將產(chǎn)生電勢(shì)差為UH的霍爾電壓，它們之間的關(guān)系為。圖中d 為薄片的厚度，k稱為霍爾系數(shù)，它的大小與薄片的材料有關(guān)。上述效應(yīng)稱為霍爾效應(yīng)，它是德國(guó)物理學(xué)家霍爾于1879年研究載流導(dǎo)體在磁場(chǎng)中受力的性質(zhì)時(shí)發(fā)現(xiàn)的。霍爾傳感器分為線型霍爾傳感器和開關(guān)型霍爾傳感器兩種，而開關(guān)型霍爾，又分為單極霍爾、雙極鎖存霍爾。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣州霍爾傳感器生產(chǎn)廠家有哪些,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(霍爾元件)是根據(jù)霍爾效應(yīng)制作的一種磁場(chǎng)傳感器。　　美國(guó)物理學(xué)家霍爾(Hall,Edwin Herbert,1855-1938)于1879年在實(shí)驗(yàn)中發(fā)現(xiàn)，當(dāng)電流垂直于外磁場(chǎng)通過導(dǎo)體時(shí)，在導(dǎo)體的垂直于磁場(chǎng)和電流方向的兩個(gè)端面之間會(huì)出現(xiàn)電勢(shì)差，這一現(xiàn)象便是霍爾效應(yīng)。這個(gè)電勢(shì)差也被叫做霍爾電勢(shì)差。　　該效應(yīng)是在研究導(dǎo)體的導(dǎo)電機(jī)構(gòu)時(shí)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(qiáng)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(dòng)化技術(shù)、檢測(cè)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(shí)驗(yàn)測(cè)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)?；魻栯娏鱾鞲衅髟跍y(cè)量方式上可以分為兩種，開環(huán)式霍爾電流傳感器和閉環(huán)式霍爾電流傳感器。廣州霍爾傳感器生產(chǎn)廠家有哪些</p><p style="text-indent:25px">霍爾傳感器技術(shù)在汽車工業(yè)中有著普遍的應(yīng)用，包括動(dòng)力、車身控制、牽引力控制以及防抱死制動(dòng)系統(tǒng)。廣州霍爾傳感器生產(chǎn)廠家有哪些</p><p style="text-indent:25px">霍爾傳感器是全球排名第三的傳感器產(chǎn)品，它被普遍應(yīng)用到工業(yè)、汽車業(yè)、電腦、手機(jī)以及新興消費(fèi)電子領(lǐng)域。未來幾年，隨著越來越多的汽車電子和工業(yè)設(shè)計(jì)企業(yè)轉(zhuǎn)移到中國(guó)，霍爾傳感器在中國(guó)市場(chǎng)的年銷售額將保持20%到30%的高速增長(zhǎng)。與此同時(shí)，霍爾傳感器的相關(guān)技術(shù)仍在不斷完善中，可編程霍爾傳感器、智能化霍爾傳感器以及微型霍爾傳感器將有更好的市場(chǎng)前景?；魻栃?yīng)是磁電效應(yīng)的一種，這一現(xiàn)象是霍爾（A.H.Hall，1855—1938）于1879年在研究金屬的導(dǎo)電機(jī)構(gòu)時(shí)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(qiáng)得多，當(dāng)電流垂直于外磁場(chǎng)通過導(dǎo)體時(shí)，載流子發(fā)生偏轉(zhuǎn)，垂直于電流和磁場(chǎng)的方向會(huì)產(chǎn)生一附加電場(chǎng)，從而在導(dǎo)體的兩端產(chǎn)生電勢(shì)差，這一現(xiàn)象就是霍爾效應(yīng)，這個(gè)電勢(shì)差也被稱為霍爾電勢(shì)差。霍爾效應(yīng)應(yīng)使用左手定則判斷。廣州霍爾傳感器生產(chǎn)廠家有哪些</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3144029.html</p></div></div></div></div></div><div id="znjv7v7" class="page-right twoColRt"><div id="t2yxjaw" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="j4q3a7c" class="recomPic 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