黑龍江DCDC電源模塊制造商誠(chéng)信為本上海多商電子供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買(mǎi)產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="合理安裝減小機(jī)械應(yīng)力，模塊電源的引出方式均為金屬針，模塊電源與外接線路、金屬針與模塊電源內(nèi)路電路均采用焊接方式連接。在一些特殊場(chǎng)合機(jī)械振動(dòng)強(qiáng)度較大，尢其是大功率模塊電源上還要加裝散熱器，黑龍江DCDC電源模塊制造商，這種情況更為嚴(yán)重。雖然模"><meta name="keywords" content="黑龍江DCDC電源模塊制造商,DCDC電源模塊"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta 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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>黑龍江DCDC電源模塊制造商,DCDC電源模塊</p><p><span>***更新：</span>2021-01-08 03:12:39</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="tcegdct" 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="3vcjl9z" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="bleu7kk" class="box"><p><p style="text-indent:25px">合理安裝減小機(jī)械應(yīng)力，模塊電源的引出方式均為金屬針，模塊電源與外接線路、金屬針與模塊電源內(nèi)路電路均采用焊接方式連接。在一些特殊場(chǎng)合機(jī)械振動(dòng)強(qiáng)度較大，尢其是大功率模塊電源上還要加裝散熱器，黑龍江DCDC電源模塊制造商，這種情況更為嚴(yán)重。雖然模塊電源內(nèi)部一般灌封導(dǎo)熱絕緣橡膠可以對(duì)元件起到較好的緩沖保護(hù)作用，但焊點(diǎn)有可能經(jīng)受不住強(qiáng)烈振動(dòng)應(yīng)力而斷裂，導(dǎo)致模塊電源工作失效，黑龍江DCDC電源模塊制造商，這時(shí)必須在焊接的基礎(chǔ)上再采取另外的固定和緩沖措施，比如可以用夾具或螺栓（對(duì)于有螺孔模塊）將模塊與機(jī)箱、大線路板等相對(duì)抗振性能好的部件固定，并且在它們中間墊一些彈性材料以緩沖振動(dòng)產(chǎn)生的應(yīng)力。總之，模塊電源和其它元器件一樣只有精心選擇、合理應(yīng)用才能使其性能得到較大發(fā)揮，黑龍江DCDC電源模塊制造商，可靠性得到充分保障，模塊電源也才會(huì)被更普遍地采用。一次電源的作用是將單相或三相交流電網(wǎng)變換成標(biāo)稱(chēng)值為48V的直流電源。黑龍江DCDC電源模塊制造商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江DCDC電源模塊制造商,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057105860144/4651539.png"></div><p style="text-indent:25px">保證探頭接地盡量短(測(cè)量紋波動(dòng)輒上百mV的主要原因就是接地線太長(zhǎng))，盡量使用探頭自帶的原裝測(cè)試短針。如果沒(méi)有測(cè)試短針，可以拆除探頭的接地線和外殼，露出探頭地殼，自制接地線纏繞在探頭地殼上，保證接地線長(zhǎng)度小于1cm;示波器地懸空，只通過(guò)探頭地與測(cè)試信號(hào)的參考點(diǎn)共地，不要通過(guò)其他方式與測(cè)試設(shè)備共地(這樣會(huì)給紋波測(cè)量引入很大的地噪聲)。支持帶寬限制功能：一般示波器都支持20MHz帶寬限制。為了使接地線盡量短，盡量使用探頭的原裝測(cè)試短針，若無(wú)原裝測(cè)試短針，則須自制短接地線：去除探頭接地線套，用金屬絲自行繞制接地短線，推薦五類(lèi)線中銅絲，強(qiáng)度適中(還是有些偏軟，有更好的請(qǐng)推薦)。其他候選有焊錫絲、刻刀。選擇1X無(wú)衰減檔位，一般無(wú)源探頭在1X檔位時(shí)，其帶寬限制在6MHz/10MHz帶寬，如此在前端可有效濾除高頻噪聲的干擾，減小紋波測(cè)量影響。黑龍江DCDC電源模塊廠家有哪些模塊電源價(jià)格較高，并占用一定空間和重量。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江DCDC電源模塊制造商,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056952069982/9150802.png"></div><p style="text-indent:25px">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(chēng)為直流斬波。斬波器的工作方式有兩種，一是脈寬調(diào)制方式Ts不變，改變ton(通用)，二是頻率調(diào)制(Buck電路--降壓斬波器，其輸出平均電壓U0小于輸入電壓Ui，極性相同。Boost電路--升壓斬波器，其輸出平均電壓U0大于輸入電壓Ui，極性相同。Buck-Boost電路--降壓或升壓斬波器，其輸出平均電壓U0大于或小于輸入電壓Ui，極性相反，電感傳輸。Cuk電路--降壓或升壓斬波器，其輸出平均電壓U0大于或小于輸入電壓Ui，極性相反，電容傳輸。還有Sepic、Zeta電路。非隔離型DC-DC變換器電路，隔離型DC-DC變換器有正激電路、反激電路、半橋電路、全橋電路、推挽電路。</p><p style="text-indent:25px">電源模塊在在電壓轉(zhuǎn)換時(shí)，不僅有能量上的損耗，還會(huì)有熱能，這些都會(huì)致使電源模塊出現(xiàn)發(fā)熱的情況。直接降低了電源的轉(zhuǎn)換率，而轉(zhuǎn)換率影響到電源模塊的正常運(yùn)行，甚至也會(huì)影響到周?chē)骷男阅?。所以，?dāng)電源模塊出現(xiàn)發(fā)熱，便需要及時(shí)處理。使用的是線性電源，線性電源的工作原理，通過(guò)調(diào)節(jié)調(diào)整管RW改變輸出電壓的大小。因?yàn)樗稣{(diào)節(jié)器是等效于電阻器，所述電阻器產(chǎn)生時(shí)電流通過(guò)，從而導(dǎo)致低效率的熱交換。為了可以防止電源管理模塊發(fā)熱問(wèn)題嚴(yán)重，可采取具有以下主要措施：加大散熱片、實(shí)行風(fēng)冷、導(dǎo)熱材料需要解決（導(dǎo)熱硅脂、導(dǎo)熱灌封膠）、改用開(kāi)關(guān)電源。模塊電源具有隔離作用。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="黑龍江DCDC電源模塊制造商,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057031542665/4786685.png"></div><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(kāi)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。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(kāi)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(kāi)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。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)。應(yīng)事先協(xié)議訂貨。AC/DC變換其功率流向可以是雙向的。黑龍江DCDC電源模塊廠家有哪些</p><p style="text-indent:25px">輸出電壓一般是直流輸出，但也有交流輸出的。黑龍江DCDC電源模塊制造商</p><p style="text-indent:25px">不間斷電源是計(jì)算機(jī)、通信系統(tǒng)以及要求提供不能中斷場(chǎng)合所必須的一種高可靠、高性能的電源。交流市電輸入經(jīng)整流器變成直流,一部分能量給蓄電池組充電,另一部分能量經(jīng)逆變器變成交流,經(jīng)轉(zhuǎn)換開(kāi)關(guān)送到負(fù)載。為了在逆變器故障時(shí)仍能向負(fù)載提供能量,另一路備用電源通過(guò)電源轉(zhuǎn)換開(kāi)關(guān)來(lái)實(shí)現(xiàn)?，F(xiàn)代UPS普遍了采用脈寬調(diào)制技術(shù)和功率M0SFET、IGBT等現(xiàn)代電力電子器件,電源的噪聲得以降低,而效率和可靠性得以提高。微處理器軟硬件技術(shù)的引入,可以實(shí)現(xiàn)對(duì)UPS的智能化管理,進(jìn)行遠(yuǎn)程維護(hù)和遠(yuǎn)程診斷。在線式UPS的較大容量已可作到600kVA。超小型UPS發(fā)展也很迅速,已經(jīng)有0.5kVA、lVA、2kVA、3kVA等多種規(guī)格的產(chǎn)品。黑龍江DCDC電源模塊制造商</p><p style="text-indent:25px">上海多商電子有限公司致力于電工電氣，是一家生產(chǎn)型的公司。公司自成立以來(lái)，以質(zhì)量為發(fā)展，讓匠心彌散在每個(gè)細(xì)節(jié)，公司旗下充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊深受客戶的喜愛(ài)。公司將不斷增強(qiáng)企業(yè)重點(diǎn)競(jìng)爭(zhēng)力，努力學(xué)習(xí)行業(yè)知識(shí)，遵守行業(yè)規(guī)范，植根于電工電氣行業(yè)的發(fā)展。在社會(huì)各界的鼎力支持下，持續(xù)創(chuàng)新，不斷鑄造***服務(wù)體驗(yàn)，為客戶成功提供堅(jiān)實(shí)有力的支持。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2750022.html</p></div></div></div></div></div><div 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