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href="http://www.cdcfah.com/xw/"><span>行業(yè)資訊</span></a></li><li id = "index_show"><a href="http://www.cdcfah.com/zh/"><span>展會(huì)信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="laxpwlh" class="twoCol"><div id="fubtvmt" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁(yè)?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_dgdq/">電工電氣</a>?<a href="http://www.cdcfah.com/cp/second-dgdq_dianyuan/">電源</a>?<a href="http://www.cdcfah.com/cp/third-dianyuan_kgdy/">開關(guān)電源</a>?楊浦區(qū)DCDC電源模塊供應(yīng) 真誠(chéng)推薦上海多商電子供應(yīng)</p><div id="n3np7gd" class="leftbox clearfix"><h1>楊浦區(qū)DCDC電源模塊供應(yīng) 真誠(chéng)推薦上海多商電子供應(yīng)</h1><div id="hw2gfh2" class="proBig"><div id="8yspm8f" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057044296704/7995413.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="eivcev2" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057044296704/7995413.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="l2ugikr" 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>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>楊浦區(qū)DCDC電源模塊供應(yīng),DCDC電源模塊</p><p><span>***更新：</span>2021-02-04 12:24:00</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="b3b8uoz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海多商電子有限公司</a></p><p><span>聯(lián)系人：</span>吳加斌</p><p><span>郵箱: </span>wu867@126.com</p><p><span>電話: </span>18121221687</p><p><span>傳真: </span>021_69585559</p><p><span>網(wǎng)址: </span>http://www.10000kw.com</p><p><span>手機(jī): </span>021-69585559</p><p><span>地址: </span>上海市嘉定區(qū)科福路358號(hào)4號(hào)樓4樓</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="42bqspr" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="pe8su2b" class="box"><p><p style="text-indent:25px">模塊電源不允許長(zhǎng)期處于滿負(fù)荷工作狀態(tài)。線性電源的使用率，應(yīng)控制在60％以內(nèi)；開關(guān)電源的使用率．應(yīng)控制在80％以內(nèi)。否則有可能造成模塊電源人為的早期失效。對(duì)于某些模塊電源，廠家出廠時(shí)在于可調(diào)端子(ADJ)間接有固定電阻，楊浦區(qū)DCDC電源模塊供應(yīng)。使用時(shí)須用戶自配相應(yīng)阻值的電位器，以取代該固定電阻。但要注意，當(dāng)可調(diào)端子間處于開路狀態(tài)時(shí)，決不允許加載。為了充分散熱，模塊電源宜安裝在空氣對(duì)流較好的位置。需用散熱器的模塊電源，其背板必須均勻涂抹導(dǎo)熱硅脂，并和散熱器緊密貼合，并加以緊固。一般要求線性電源工作電流在4 A以上，或開關(guān)電源工作電流在7 A以上時(shí)．應(yīng)加裝強(qiáng)制風(fēng)冷，楊浦區(qū)DCDC電源模塊供應(yīng)。此外，在模塊電源外殼上不允許放置其他物品。模塊電源一般適用于以阻性為主的負(fù)載，若需要應(yīng)用在以容性為主或感性為主的負(fù)載時(shí)，楊浦區(qū)DCDC電源模塊供應(yīng)。應(yīng)事先協(xié)議訂貨。使電源的溫度值趨近于較小值。楊浦區(qū)DCDC電源模塊供應(yīng)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楊浦區(qū)DCDC電源模塊供應(yīng),DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057044296704/7995413.png"></div><p style="text-indent:25px">對(duì)于電源模塊許多人可能并不熟悉，但其實(shí)在我們的生活中卻經(jīng)常會(huì)用到它，它正在為我們的生活進(jìn)行著服務(wù)。它其實(shí)是一個(gè)電源供應(yīng)器，通訊領(lǐng)域。交換設(shè)備、移動(dòng)通訊等等通訊領(lǐng)域只要是用電的地方，都能看到電源模塊的身影。現(xiàn)在對(duì)于電子產(chǎn)品的使用是相當(dāng)普遍的，而許多電子產(chǎn)品都會(huì)用到交換設(shè)備，而這些設(shè)備需要強(qiáng)有力的電力來(lái)進(jìn)行保證，所以電源模塊真的是不能缺少了。其實(shí)通訊領(lǐng)域可以說哪個(gè)環(huán)節(jié)都缺少不了電源模塊的存在，一旦它出現(xiàn)了問題，那設(shè)備極有可能受到極大的傷害，造成無(wú)法挽回的損失。汽車電子領(lǐng)域。大家以前都覺得汽車肯定是使用汽油或者柴油的，但是現(xiàn)在使用電的汽車也是越來(lái)越多了，汽車的電子化水平也是越來(lái)越高，而這些都需要有電力的支持。而電源模塊就是對(duì)其較好的支持者。航空航天領(lǐng)域。航空航天領(lǐng)域那可是一個(gè)非常危險(xiǎn)而精密的領(lǐng)域，對(duì)于電的要求是非常高的，而電源模塊的存在可以說為其多了一層保護(hù)。可見電源模塊可使用的范圍是非常廣的，上到關(guān)乎**的航空航天領(lǐng)域，下到一般通訊設(shè)備的使用，都離不開它。楊浦區(qū)DCDC電源模塊供應(yīng)模塊稱為負(fù)載點(diǎn) 電源供應(yīng)系統(tǒng)或使用點(diǎn)電源供應(yīng)系統(tǒng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楊浦區(qū)DCDC電源模塊供應(yīng),DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057014931033/5133087.png"></div><p style="text-indent:25px">發(fā)射機(jī)高壓電源通常不采用市售高壓模塊電源，而專門設(shè)計(jì)高壓電路。若使用高壓模塊電源，在使用過程及停電后10 min之內(nèi)，均不可觸及高壓危險(xiǎn)區(qū)。模塊電源選型原則：一般功率較大的宜選擇開關(guān)電源，功率較小的選擇線性電源。模塊電源一般極少損壞，當(dāng)高壓電源工作異常時(shí)如加不上電，關(guān)閉供電，檢查安裝在高壓電源內(nèi)的模塊電源輸出輸入端是否斷路或短路，如有這些現(xiàn)象即說明模塊電源損壞，更換模塊電源即可。模塊電源通常由廠家一次性封裝。不可強(qiáng)行拆卸。開關(guān)電源的基本構(gòu)成，其中DC-DC變換器用于進(jìn)行功率轉(zhuǎn)換，他是開關(guān)電源的重要部分，此外還有啟動(dòng)、過流和過壓保護(hù)、噪聲濾波等電路。輸出采樣電路(R1、R2)檢測(cè)輸出電壓的變化，并與基準(zhǔn)電壓Ur比較，誤差電壓經(jīng)過放大及脈寬調(diào)制電路(PWM),在經(jīng)過驅(qū)動(dòng)電路控制功率器件的占空比，從而達(dá)到調(diào)整輸出電壓大小的目的。</p><p style="text-indent:25px">在當(dāng)前的LED的能量，壽命長(zhǎng)，設(shè)計(jì)靈活等。n替代白熾燈和熒光燈，朝向智能照明，這需要與電源LED的趨勢(shì)。專為各種信息通信發(fā)展電子技術(shù)設(shè)備進(jìn)行設(shè)計(jì)的高效率、高性能、高可靠的模塊工作電源，用于整流、濾波、穩(wěn)壓。在電網(wǎng)，電網(wǎng)，電力監(jiān)控，有線電力，無(wú)線電或其他電磁系統(tǒng)，電力系統(tǒng)運(yùn)行等設(shè)備需要供電。隨著鐵路行業(yè)的不斷發(fā)展，為了提高客車運(yùn)行的可靠性和舒適性，大量的電子設(shè)備在軌道交通使用。有汽車內(nèi)部電子DC轉(zhuǎn)換器，模塊內(nèi)部的充電樁電源等，都需要電源模塊轉(zhuǎn)換。醫(yī)療技術(shù)設(shè)備相比其它設(shè)備企業(yè)而言，它對(duì)安全的要求我們較為苛刻，需要進(jìn)行電源可以滿足高安全、高隔離的標(biāo)準(zhǔn)。專為各種煤礦設(shè)備小體積，高可靠性，安全隔離模塊供電，用于網(wǎng)絡(luò)通信，檢測(cè)監(jiān)控，電力系統(tǒng)等供電使用。**用電源模塊需要高可靠性，安全性，適應(yīng)性和隱蔽性。開關(guān)電源可分為AC/DC和DC/DC兩大類。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="楊浦區(qū)DCDC電源模塊供應(yīng),DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056924431868/869235.png"></div><p style="text-indent:25px">開關(guān)電源在設(shè)計(jì)中必須具有過流、過熱、短路等保護(hù)功能，故在設(shè)計(jì)時(shí)應(yīng)推薦保護(hù)功能齊備的開關(guān)電源模塊，并且其保護(hù)電路的技術(shù)參數(shù)應(yīng)與用電設(shè)備的工作特性相匹配，以避免損壞用電設(shè)備或開關(guān)電源。功率 P=UI,是輸出電壓和輸出電流的乘積。輸入電壓分交流輸入和直流輸入2種。輸出電壓一般是直流輸出，但也有交流輸出的。隔離電壓:隔離就是將輸出與輸入進(jìn)行電路上的分離。有以下幾個(gè)作用:電流變換;為了防止輸入輸出相互干擾;輸入輸出電路的信號(hào)特性相差太大，比如用弱信號(hào)控制強(qiáng)電的設(shè)備封裝尺寸有插針，貼片的，和螺旋。DC/DC變換是將可變的直流電壓變換成固定的直流電壓，也稱為直流斬波。河南DCDC電源模塊價(jià)格便宜嗎</p><p style="text-indent:25px">電路工作象限又可分為一象限、二象限、三象限、四象限。楊浦區(qū)DCDC電源模塊供應(yīng)</p><p style="text-indent:25px">AC/DC變換是將交流變換為直流，其功率流向可以是雙向的，功率流由電源流向負(fù)載的稱為"整流"，功率流由負(fù)載返回電源的稱為"有源逆變"。AC/DC變換器輸入為50/60Hz的交流電，因必須經(jīng)整流、濾波，因此體積相對(duì)較大的濾波電容器是必不可少的，同時(shí)因遇到安全標(biāo)準(zhǔn)(如UL、CCEE等)及EMC指令的限制(如IEC、、FCC、CSA)，交流輸入側(cè)必須加EMC濾波及使用符合安全標(biāo)準(zhǔn)的元件，這樣就限制AC/DC電源體積的小型化，另外，由于內(nèi)部的高頻、高壓、大電流開關(guān)動(dòng)作，使得解決EMC電磁兼容問題難度加大，也就對(duì)內(nèi)部高密度安裝電路設(shè)計(jì)提出了很高的要求，由于同樣的原因，高電壓、大電流開關(guān)使得電源工作損耗增大，限制了AC/DC變換器模塊化的進(jìn)程，因此必須采用電源系統(tǒng)優(yōu)化設(shè)計(jì)方法才能使其工作效率達(dá)到一定的滿意程度。楊浦區(qū)DCDC電源模塊供應(yīng)</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/3160522.html</p></div></div></div></div></div><div id="9iumja3" class="page-right twoColRt"><div id="lz2a3mj" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="z3zmjwo" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 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