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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>吉林DCDC電源模塊工藝,DCDC電源模塊</p><p><span>***更新：</span>2021-01-10 07:16:47</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="psuwdf2" 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="pogd8ri" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="unkhlhe" class="box"><p><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，吉林DCDC電源模塊工藝，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，推薦五類線中銅絲，強(qiáng)度適中(還是有些偏軟，吉林DCDC電源模塊工藝，吉林DCDC電源模塊工藝，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。采用模塊電源可以設(shè)計(jì)出有效的高壓電源的一級(jí)穩(wěn)壓。吉林DCDC電源模塊工藝</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林DCDC電源模塊工藝,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057001385962/7188392.png"></div><p style="text-indent:25px">兩個(gè)并聯(lián)的電源模塊，為了確保穩(wěn)定的電源模塊可以并行一任務(wù)后運(yùn)行是控制每個(gè)模塊的較大輸出功率，模塊不能出現(xiàn)超負(fù)荷工作，和一個(gè)輕負(fù)載模塊現(xiàn)象的工作。如果出現(xiàn)這些現(xiàn)象，超負(fù)荷工作將導(dǎo)致模塊，而導(dǎo)致整個(gè)系統(tǒng)的異常損傷。根據(jù)不同開(kāi)關(guān)電源的原理，要確保電源管理模塊在并聯(lián)使用時(shí)，仍能精確的限制我們每個(gè)功能模塊的輸出電流，可以通過(guò)使用上端采樣限流電路來(lái)實(shí)現(xiàn)?？紤]到企業(yè)實(shí)際量產(chǎn)的電源模塊，輸出電壓肯定會(huì)存在對(duì)于一些文化差異，隨機(jī)分為兩個(gè)主要模塊并聯(lián)在一起，有可能導(dǎo)致出現(xiàn)一路滿載工作，一路輕載工作，但是同時(shí)由于每路輸出均被限制在安全值范圍內(nèi)，即使?jié)M載工作，也不會(huì)對(duì)單路使用壽命造成非常明顯重要影響，不會(huì)產(chǎn)生影響以及整個(gè)系統(tǒng)結(jié)構(gòu)設(shè)計(jì)。電源模塊并聯(lián)電路設(shè)計(jì)，電路設(shè)計(jì)比串聯(lián)復(fù)雜得多，有必要考慮的輸出電壓，輸出阻抗之間的差，輸出電流平衡的問(wèn)題是常見(jiàn)的并聯(lián)電阻法，在平行法二極管，電流在每一種方法并行流動(dòng)。吉林DCDC電源模塊工藝實(shí)現(xiàn)了模塊電源的傳導(dǎo)冷卻方式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林DCDC電源模塊工藝,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057031542665/4786685.png"></div><p style="text-indent:25px">縮短開(kāi)發(fā)周期模塊電源一般備有多種輸人、輸出選擇。用戶也可以重復(fù)迭加或交叉迭加，構(gòu)成積木式組合電源，實(shí)現(xiàn)多路輸人、輸出，有效的減少開(kāi)發(fā)時(shí)間。某些模塊電源如有特殊需要還可以協(xié)議訂貨。變更靈活產(chǎn)品設(shè)計(jì)如需更改，只需轉(zhuǎn)換或并聯(lián)另一合適電源模塊即可。散熱方便模塊電源外殼有集熱器、散熱器和外殼三位一體的結(jié)構(gòu)形式。實(shí)現(xiàn)了模塊電源的傳導(dǎo)冷卻方式。使電源的溫度值趨近于較小值。而且模塊電源外觀較為美觀。質(zhì)優(yōu)可靠模塊電源一般均采用全自動(dòng)化生產(chǎn)，并配以高科技生產(chǎn)技術(shù)，因此品質(zhì)穩(wěn)定、可靠。</p><p style="text-indent:25px">電源模塊在在電壓轉(zhuǎn)換時(shí)，不*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)影響到周圍器件的性能。所以，當(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。模塊電源的PC B板與連接主機(jī)的供電線路之間有兩個(gè)連接點(diǎn)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="吉林DCDC電源模塊工藝,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056952069982/9150802.png"></div><p style="text-indent:25px">設(shè)法降低模塊電源的溫升，模塊內(nèi)部器件的工作溫度的高低直接影響模塊電源的壽命，器件溫度越低模塊壽命越長(zhǎng)。在一定的工作條件下，模塊電源的損耗是一定的，但是可以通過(guò)改善模塊電源的散熱條件來(lái)降低其溫升，從而有效的延長(zhǎng)其使用壽命。比如：50W以上的模塊電源必須安裝散熱器，散熱器的表面積越大越有利于散熱，且散熱器的安裝方向應(yīng)盡量有利于空氣的自然對(duì)流，功率在150W以上除安裝散熱器以外還可以加裝扇強(qiáng)制風(fēng)冷。此外在環(huán)境溫度較高或空氣流通條件較差的地方模塊須降額使用以減小功耗從而降低溫升，延長(zhǎng)使用壽命。變頻器電源主要用于交流電機(jī)的變頻調(diào)速,其在電氣傳動(dòng)系統(tǒng)中占據(jù)的地位日趨重要。金山區(qū)DCDC電源模塊制造廠家</p><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，也稱為直流斬波。吉林DCDC電源模塊工藝</p><p style="text-indent:25px">傳統(tǒng)的交流-直流(AC-DC)變換器在投運(yùn)時(shí),將向電網(wǎng)注入大量的諧波電流,引起諧波損耗和干擾,同時(shí)還出現(xiàn)裝置網(wǎng)側(cè)功率因數(shù)惡化的現(xiàn)象,即所謂"電力公害",例如,不可控整流加電容濾波時(shí),網(wǎng)側(cè)三次諧波含量可達(dá)(70~80)%,網(wǎng)側(cè)功率因數(shù)*有0.5~0.6。電力有源濾波器是一種能夠動(dòng)態(tài)控制諧波的新型電力電子裝置,能克服傳統(tǒng)LC濾波器的不足,是一種很有發(fā)展前途的諧波控制手段。濾波器由橋式開(kāi)關(guān)功率變換器和具體控制電路構(gòu)成。與傳統(tǒng)開(kāi)關(guān)電源的區(qū)別是:不*反饋輸出電壓,還反饋輸入平均電流;電流環(huán)基準(zhǔn)信號(hào)為電壓環(huán)誤差信號(hào)與全波整流電壓取樣信號(hào)之乘積。吉林DCDC電源模塊工藝</p><p style="text-indent:25px">上海多商電子有限公司主要經(jīng)營(yíng)范圍是電工電氣，擁有一支專業(yè)技術(shù)團(tuán)隊(duì)和良好的市場(chǎng)口碑。公司業(yè)務(wù)分為充電電源，ACDC電源模塊，DCDC電源模塊，大功率電源模塊等，目前不斷進(jìn)行創(chuàng)新和服務(wù)改進(jìn)，為客戶提供良好的產(chǎn)品和服務(wù)。公司注重以質(zhì)量為中心，以服務(wù)為理念，秉持誠(chéng)信為本的理念，打造電工電氣良好品牌。上海多商電子憑借創(chuàng)新的產(chǎn)品、專業(yè)的服務(wù)、眾多的成功案例積累起來(lái)的聲譽(yù)和口碑，讓企業(yè)發(fā)展再上新高。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/2784390.html</p></div></div></div></div></div><div id="i74v3ry" class="page-right twoColRt"><div 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