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href="http://m.cdcfah.com/cp/third-qcaqfz_qtqcaqyp/">其他汽車(chē)安全用品</a>?廣東電子線圈成本價(jià) 無(wú)錫東英電子供應(yīng)</p><div id="vpzldq7" class="leftbox clearfix"><h1>廣東電子線圈成本價(jià) 無(wú)錫東英電子供應(yīng)</h1><div id="jn9hjln" class="proBig"><div id="qf4uk2u" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/dongying/637218591383662110/1606588.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="zoyfxe2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/dongying/637218591383662110/1606588.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="thb783k" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>廣東電子線圈成本價(jià)</p><p><span>***更新：</span>2020-06-29 06:23:39</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="bgamo8e" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">無(wú)錫東英電子有限公司</a></p><p><span>聯(lián)系人：</span>朱淇華</p><p><span>郵箱: </span>wxdydz@163.com</p><p><span>電話: </span>13921179070</p><p><span>傳真: </span>0510_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0510-83785478</p><p><span>地址: </span>江蘇省無(wú)錫市錫山區(qū)錫北鎮(zhèn)新壩村</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="nx8tvsu" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="8jv8kel" class="box"><p><p> 包括以下步驟：步驟1：根據(jù)受力分析模型選擇起吊機(jī)型號(hào)；步驟2：根據(jù)槽鋼的平衡方程選擇槽鋼支撐點(diǎn)位置，廣東電子線圈成本價(jià)。作為推薦，步驟1中所述根據(jù)受力分析模型選擇起吊機(jī)型號(hào)具體為：式中：q為槽鋼每米質(zhì)量kg/m，l為槽鋼長(zhǎng)度m，m為變壓器質(zhì)量kg，g為重力加速度，f1、f2為起降臺(tái)支撐點(diǎn)作用力，根據(jù)f1、f2的大小選擇起吊機(jī)型號(hào)；作為推薦，步驟2中所述根據(jù)槽鋼的平衡方程選擇槽鋼支撐點(diǎn)位置具體為：根據(jù)實(shí)際情況選擇槽鋼的長(zhǎng)度，然后通過(guò)以下方法選擇槽鋼支撐點(diǎn)；起吊變壓器過(guò)程中，槽鋼的平衡方程如下：其中，f1、f2為起降臺(tái)支撐點(diǎn)作用力，廣東電子線圈成本價(jià)，q為單位每米質(zhì)量，廣東電子線圈成本價(jià)，l為槽鋼長(zhǎng)度，m為變壓器質(zhì)量，g為重力加速度，x為支撐點(diǎn)到槽鋼末端距離；方程中x為變量，其他參數(shù)根據(jù)槽鋼型號(hào)和變壓器規(guī)格確定，為使兩起降臺(tái)受力均衡，使抬升過(guò)程平穩(wěn)，起吊變壓器時(shí)支撐點(diǎn)及變壓器位置采取對(duì)稱(chēng)布置，得到支撐點(diǎn)作用力如下：支撐點(diǎn)處剪力如下：變壓器懸掛點(diǎn)彎矩如下：槽鋼所受應(yīng)力應(yīng)滿足許用值，如下：其中，h為槽鋼腹板高度，d為槽鋼腹板寬度，wz為槽鋼抗彎截面模量，[τ]為槽鋼許用切應(yīng)力，[σ]為槽鋼許用正應(yīng)力；由上式得，支撐點(diǎn)到槽鋼末端距離x適宜的范圍為：由上述式子分析可得。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東電子線圈成本價(jià)" src="https://tyunfile.71360.com/WaterMark/UploadFile/dongying/637218591383662110/1606588.jpg"></div><p> 7、可調(diào)電感器常用的可調(diào)電感器有半導(dǎo)體收音機(jī)用振蕩線圈、電視機(jī)用行振蕩線圈、行線性線圈、中頻陷波線圈、音響用頻率補(bǔ)償線圈、阻波線圈等，如下圖所示?？烧{(diào)電感器1）．半導(dǎo)體收音機(jī)用振蕩線圈此振蕩線圈在半導(dǎo)體收音機(jī)中與可變電容器等組成本機(jī)振蕩電路，用來(lái)產(chǎn)生一個(gè)輸入調(diào)諧電路接收的電臺(tái)信號(hào)高出465kHz的本振信號(hào)。其外部為金屬屏蔽罩，內(nèi)部由尼龍襯架、工字形磁心、磁帽及引腳座等構(gòu)成，在工字磁心上有用**度漆包線繞制的繞組。磁帽裝在屏蔽罩內(nèi)的尼龍架上，可以上下旋轉(zhuǎn)動(dòng)，通過(guò)改變它與線圈的距離來(lái)改變線圈的電感量。電視機(jī)中頻陷波線圈的內(nèi)部結(jié)構(gòu)與振蕩線圈相似，只是磁帽可調(diào)磁心。2）．電視機(jī)用行振蕩線圈行振蕩線圈用在早期的黑白電視機(jī)中，它與**的阻容元件及行振蕩晶體管等組成自激振蕩電路（三點(diǎn)式振蕩器或間歇振蕩器、多諧振蕩器），用來(lái)產(chǎn)生頻率為15625HZ的的矩形脈沖電壓信號(hào)。該線圈的磁心中心有方孔，行同步調(diào)節(jié)旋鈕直接插入方孔內(nèi)，旋動(dòng)行同步調(diào)節(jié)旋鈕，即可改變磁心與線圈之間的相對(duì)距離，從而改變線圈的電感量，使行振蕩頻率保持為15625HZ，與自動(dòng)頻率控制電路（AFC）送入的行同步脈沖產(chǎn)生同步振蕩。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東電子線圈成本價(jià)" src="https://tyunfile.71360.com/WaterMark/UploadFile/dongying/637218867234013672/2881679.png"></div><p> 直接測(cè)量中間繼電器得到的s參數(shù)；s12、對(duì)一組完好無(wú)損的中間繼電器線圈進(jìn)行人為破壞，模擬使用過(guò)程中出現(xiàn)的軟故障的情況，或找到一組線圈軟故障的中間繼電器，測(cè)量中間繼電器的s參數(shù)；s13、對(duì)s11和s12中的高頻阻抗特性進(jìn)行聚類(lèi)，獲得兩類(lèi)，一類(lèi)為正常的a組樣本數(shù)據(jù)，另一類(lèi)為軟故障的b組樣本數(shù)據(jù)。本實(shí)施方式按照?qǐng)D1所示，將矢量網(wǎng)絡(luò)分析儀接在中間繼電器的線圈兩端，即將矢量網(wǎng)絡(luò)分析儀接在中間繼電器的兩個(gè)供電引腳，使用矢量網(wǎng)絡(luò)分析儀給中間繼電器的線圈施加激勵(lì)信號(hào)，采集中間繼電器線圈的高s參數(shù)。矢量網(wǎng)絡(luò)分析儀所施加的激勵(lì)信號(hào)的頻率下限應(yīng)該低于中間繼電器線圈自身的諧振頻率，可以根據(jù)繼電器的不同類(lèi)型進(jìn)行合理調(diào)整，信號(hào)頻率上限要確保高于中間繼電器線圈的諧振頻率，同時(shí)要保證一定的信號(hào)帶寬，盡量使目標(biāo)頻率處于頻率范圍中間。作為對(duì)照組的中間繼電器線圈的s參數(shù)，辨識(shí)出s參數(shù)中相頻特性中相角為零對(duì)應(yīng)的頻率，即線圈的諧振頻率，然后利用系統(tǒng)聚類(lèi)法對(duì)數(shù)據(jù)進(jìn)行聚類(lèi)分析，**終將采集到的頻率聚為兩類(lèi)，其中一類(lèi)為線圈正常的中間繼電器對(duì)應(yīng)的諧振頻率，另一類(lèi)為線圈存在軟故障的中間繼電器對(duì)應(yīng)的諧振頻率，這樣就完成了樣本對(duì)照組的構(gòu)建。應(yīng)當(dāng)注意的是。</p></p><br /><p>文章來(lái)源地址: 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