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clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="fykw8lh" class="twoCol"><div id="783ys1f" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_jxjxysb/">機(jī)械及行業(yè)設(shè)備</a>?<a href="http://www.cdcfah.com/cp/second-jxjxysb_gkxtjzb/">工控系統(tǒng)及裝備</a>?<a href="http://www.cdcfah.com/cp/third-gkxtjzb_wsdkzdjq/">溫濕度控制（調(diào)節(jié)）器</a>?江蘇電機(jī)報價昆山博途自動化科技供應(yīng)</p><div id="lzq8pgf" class="leftbox clearfix"><h1>江蘇電機(jī)報價昆山博途自動化科技供應(yīng)</h1><div id="8wk4yug" class="proBig"><div id="r7qm0oa" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233430119_KSbotuzidonghua_7152426.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="kelz032" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233430119_KSbotuzidonghua_7152426.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="fba4nja" 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>江蘇電機(jī)報價,電機(jī)</p><p><span>***更新：</span>2020-11-14 09:08:27</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="wpb9tkr" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">昆山博途自動化科技有限公司</a></p><p><span>聯(lián)系人：</span>李經(jīng)理</p><p><span>郵箱: </span>lizc163@139.com</p><p><span>電話: </span>15358836958</p><p><span>傳真: </span>0512_36684975</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0512-36685475</p><p><span>地址: </span>昆山市周市鎮(zhèn)昌靈路119號</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="2xihf5y" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="hrtcl52" class="box"><p><p style="text-indent:25px">采用光電式位置傳感器的無刷直流電動機(jī)，在定子組件上按一定位置配置了光電傳感器件，轉(zhuǎn)子上裝有遮光板，光源為發(fā)光二極管或小燈泡。轉(zhuǎn)子旋轉(zhuǎn)時，由于遮光板的作用，江蘇電機(jī)報價，定子上的光敏元器件將會按一定頻率間歇間生脈沖信號。采用電磁式位置傳感器的無刷直流電動機(jī)，江蘇電機(jī)報價，江蘇電機(jī)報價，是在定子組件上安裝有電磁傳感器部件（例如耦合變壓器、接近開關(guān)、LC諧振電路等），當(dāng)永磁體轉(zhuǎn)子位置發(fā)生變化時，電磁效應(yīng)將使電磁傳感器產(chǎn)生高頻調(diào)制信號（其幅值隨轉(zhuǎn)子位置而變化）。江蘇電機(jī)報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電機(jī)報價,電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233430119_KSbotuzidonghua_7152426.jpg"></div><p> 固定磁場無刷電機(jī)一 </p> <p> 般的無刷直流電機(jī)本質(zhì)上屬于伺服電機(jī)，由同步電機(jī)和驅(qū)動器構(gòu)成，是變頻調(diào)速電機(jī)。變壓調(diào)速的無刷直流電機(jī)是真正意義上的無刷直流電機(jī)，它由定子和轉(zhuǎn)子構(gòu)成，定子由鐵心構(gòu)成，線圈采用“順-逆-順-逆……”繞組，由此產(chǎn)生N-S群的固定磁場，轉(zhuǎn)子由一個圓柱體磁鐵構(gòu)成（中間帶軸），或由電磁鐵加集電環(huán)組成，此無刷直流電機(jī)可以產(chǎn)生轉(zhuǎn)矩，但不能控制方向，無論怎么說，本電機(jī)都是一項(xiàng)非常有意義的發(fā)明。當(dāng)作為一個直流發(fā)電機(jī)，本發(fā)明可以產(chǎn)生連續(xù)振幅的直流電流，從而避免使用濾波電容器，轉(zhuǎn)子可以是永磁、有刷勵磁或無刷勵磁。當(dāng)作為大型電機(jī)時，本電機(jī)會產(chǎn)生自感，需要采用保護(hù)裝置。 </p> <p> <br /> 江蘇電機(jī)報價</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電機(jī)報價,電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233585989_KSbotuzidonghua_6919204.jpg"></div><p> 無刷直流電動機(jī)是采用半導(dǎo)體開關(guān)器件來實(shí)現(xiàn)電子換向的，即用電子開關(guān)器件代替?zhèn)鹘y(tǒng)的接觸式換向器和電刷。它具有可靠性高、無換向火花、機(jī)械噪聲低等優(yōu)點(diǎn)，廣泛應(yīng)用于**錄音座、錄像機(jī)、電子儀器及自動化辦公設(shè)備中。無刷直流電動機(jī)由永磁體轉(zhuǎn)子、多極繞組定子、位置傳感器等組成。位置傳感按轉(zhuǎn)子位置的變化，沿著一定次序?qū)Χㄗ永@組的電流進(jìn)行換流（即檢測轉(zhuǎn)子磁極相對定子繞組的位置，并在確定的位置處產(chǎn)生位置傳感信號，經(jīng)信號轉(zhuǎn)換電路處理后去控制功率開關(guān)電路，按一定的邏輯關(guān)系進(jìn)行繞組電流切換）。定子繞組的工作電壓由位置傳感器輸出控制的電子開關(guān)電路提供。位置傳感器有磁敏式、光電式和電磁式三種類型。采用磁敏式位置傳感器的無刷直流電動機(jī)，其磁敏傳感器件（例如霍爾元件、磁敏二極管、磁敏詁極管、磁敏電阻器或**集成電路等）裝在定子組件上，用來檢測永磁體、轉(zhuǎn)子旋轉(zhuǎn)時產(chǎn)生的磁場變化。 </p><p style="text-indent:25px">并勵直流電動機(jī)的勵磁繞組與轉(zhuǎn)子繞組相并聯(lián)，其勵磁電流較恒定，起動轉(zhuǎn)矩與電樞電流成正比，起動電流約為額定電流的2.5倍左右。轉(zhuǎn)速則隨電流及轉(zhuǎn)矩的增大而略有下降，短時過載轉(zhuǎn)矩為額定轉(zhuǎn)矩的1.5倍。轉(zhuǎn)速變化率較小，為5%~15%。可通過消弱磁場的恒功率來調(diào)速。他勵直流電動機(jī)的勵磁繞組接到**的勵磁電源供電，其勵磁電流也較恒定，起動轉(zhuǎn)矩與電樞電流成正比。轉(zhuǎn)速變化也為5%~15%。可以通過消弱磁場恒功率來提高轉(zhuǎn)速或通過降低轉(zhuǎn)子繞組的電壓來使轉(zhuǎn)速降低。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="江蘇電機(jī)報價,電機(jī)" src="http://tyunfile.71360.com/UpLoadFile/2019/12/7/15/637113296233585989_KSbotuzidonghua_4429728.jpg"></div><p style="text-indent:25px">直流電機(jī)的勵磁方式是指對勵磁繞組如何供電、產(chǎn)生勵磁磁通勢而建立主磁場的問題。根據(jù)勵磁方式的不同，直流電機(jī)可分為下列幾種類型。他勵勵磁繞組與電樞繞組無聯(lián)接關(guān)系，而由其他直流電源對勵磁繞組供電的直流電機(jī)稱為他勵直流電機(jī)，接線如圖1.23（a）所示。圖中M表示電動機(jī)，若為發(fā)電機(jī)，則用G表示。永磁直流電機(jī)也可看作他勵直流電機(jī)。并勵并勵直流電機(jī)的勵磁繞組與電樞繞組相并聯(lián)。作為并勵發(fā)電機(jī)來說，是電機(jī)本身發(fā)出來的端電壓為勵磁繞組供電；作為并勵電動機(jī)來說，勵磁繞組與電樞共用同一電源，從性能上講與他勵直流電動機(jī)相同。江蘇電機(jī)報價</p><p style="text-indent:25px">江蘇電機(jī)報價</p><p style="text-indent:25px">電磁式直流電動機(jī)的定子磁極（主磁極）由鐵心和勵磁繞組構(gòu)成。根據(jù)其勵磁（舊標(biāo)準(zhǔn)稱為激磁）方式的不同又可分為串勵直流電動機(jī)、并勵直流電動機(jī)、他勵直流電動機(jī)和復(fù)勵直流電動機(jī)。因勵磁方式不同，定子磁極磁通（由定子磁極的勵磁線圈通電后產(chǎn)生）的規(guī)律也不同。串勵直流電動機(jī)的勵磁繞組與轉(zhuǎn)子繞組之間通過電刷和換向器相串聯(lián)，勵磁電流與電樞電流成正比，定子的磁通量隨著勵磁電流的增大而增大，轉(zhuǎn)矩近似與電樞電流的平方成正比，轉(zhuǎn)速隨轉(zhuǎn)矩或電流的增加而迅速下降。其起動轉(zhuǎn)矩可達(dá)額定轉(zhuǎn)矩的5倍以上，短時間過載轉(zhuǎn)矩可達(dá)額定轉(zhuǎn)矩的4倍以上，轉(zhuǎn)速變化率較大，空載轉(zhuǎn)速甚高（一般不允許其在空載下運(yùn)行）?？赏ㄟ^用外用電阻器與串勵繞組串聯(lián)（或并聯(lián)）、或?qū)⒋畡罾@組并聯(lián)換接來實(shí)現(xiàn)調(diào)速。江蘇電機(jī)報價</p><p style="text-indent:25px">昆山博途自動化科技有限公司主要經(jīng)營范圍是農(nóng)業(yè)，擁有一支專業(yè)技術(shù)團(tuán)隊和良好的市場口碑。公司業(yè)務(wù)涵蓋電缸，電動缸，力位移，壓裝機(jī)等，價格合理，品質(zhì)有保證。公司從事農(nóng)業(yè)多年，有著創(chuàng)新的設(shè)計、強(qiáng)大的技術(shù)，還有一批**的專業(yè)化的隊伍，確保為客戶提供良好的產(chǎn)品及服務(wù)。博途科技立足于全國市場，依托強(qiáng)大的研發(fā)實(shí)力，融合前沿的技術(shù)理念，飛快響應(yīng)客戶的變化需求。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/1987577.html</p></div></div></div></div></div><div id="qpq52c2" 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