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class="pic"><img src="http://tyunfile.71360.com/UploadFile/szxskj/637142795380595703/6258875.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="lfx87h2" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/szxskj/637142795380595703/6258875.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7jg39hg" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>廣東數(shù)碼產(chǎn)品電源工廠制造商,電源</p><p><span>***更新：</span>2021-01-27 11:05:31</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="2vcj8kh" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市新賽科技有限公司</a></p><p><span>聯(lián)系人：</span>汪經(jīng)理</p><p><span>郵箱: </span>chentianyu2007222@126.com</p><p><span>電話: </span>13760313517</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-2708180</p><p><span>地址: </span>松崗街道東方社區(qū)田洋二路1號(hào)B801B區(qū)</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="zyqskb3" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="lfh3v8m" class="box"><p><p> 【二】電源內(nèi)部結(jié)構(gòu)簡(jiǎn)介 </p> <p> PFC和EMI因?yàn)槭羌匐娫粗貫?zāi)區(qū)，所以沉默醬單獨(dú)摘出來(lái)說(shuō)一遍。 </p> <p> EMI電路： </p> <p> EMI是Electromagnetic Interference英文縮寫(xiě)，是指電磁波與電子元件作用后而產(chǎn)生的干擾現(xiàn)象。市電進(jìn)入電源之后，第1個(gè)經(jīng)過(guò)的就是EMI電路。它作用就是濾除市電中的高頻雜波，去除干擾。然后把相對(duì)純凈的交流電送到整流橋，經(jīng)過(guò)整流橋到達(dá)PFC電路。 </p> <p> 在單獨(dú)電路板上的EMI </p> <p> <span style="font-size:12px;">焊接在電源口上的EMI</span> </p> <p> PCB上的二級(jí)EMI </p> <p> 沒(méi)有EMI電路的后果是很?chē)?yán)重的。220V交流電直接送到整流橋去整成直流電。對(duì)電源本身和電腦主板等都是極大的損傷=A=。沒(méi)有EMI的電源絕大多數(shù)都是小品牌的山寨電源或者假電源。同時(shí)，廣東數(shù)碼產(chǎn)品電源工廠制造商，廣東數(shù)碼產(chǎn)品電源工廠制造商，沒(méi)有EMI的電源一般使用的被動(dòng)PFC也是假的，廣東數(shù)碼產(chǎn)品電源工廠制造商，**是一條導(dǎo)線。新賽電源科技12年來(lái)一直堅(jiān)持生產(chǎn)安全電源、品質(zhì)電源，所有電源產(chǎn)品都經(jīng)過(guò)安全認(rèn)證，可以放心采購(gòu)使用。廣東數(shù)碼產(chǎn)品電源工廠制造商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東數(shù)碼產(chǎn)品電源工廠制造商,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795380595703/6258875.jpg"></div><p> 對(duì)于很多人來(lái)說(shuō)，對(duì)于電源適配器的概念只停留在充電器的階段，但實(shí)際上電源適配器是一種變壓器，被大量應(yīng)用在充電器上。對(duì)于電源適配器不熟悉的人往往需要面對(duì)的，是采用哪種電源適配器來(lái)進(jìn)行充電 </p> <p> 電源適配器的參數(shù)多種多樣，因此并不能隨意使用適配器來(lái)進(jìn)行充電。在選擇電源適配器之前，首先要確定三個(gè)適配條件 </p> <p> ①適配器的接口與設(shè)備匹配 </p> <p> ②輸出電壓必須與負(fù)載的額定輸入電壓相同，或者在負(fù)載)可承受的電壓范圍，否則，可能燒毀負(fù)載 </p> <p> ③電源適配器的輸出電流應(yīng)等于、大于負(fù)載的電流，以提供足夠的電力 </p> <p> 下面就來(lái)對(duì)上述的三條適配條件進(jìn)行分析 </p> <p> ①不匹配的接口在沒(méi)有專業(yè)知識(shí)的情況下千萬(wàn)不要亂插，否則會(huì)發(fā)生危險(xiǎn) </p> <p> ②對(duì)于為什么需要電壓一致，從原理上講是這樣的——電壓不足，不足以驅(qū)動(dòng)負(fù)載，電池?zé)o法正常充電 </p> <p> ③對(duì)于為什么需要這樣的電流配置，這要涉及到電路的原理，大家都知道電源是有內(nèi)阻的，內(nèi)阻越大損耗越大。因此廠家在生產(chǎn)這個(gè)適配器的時(shí)候就會(huì)根據(jù)內(nèi)阻大小，確定空載輸出電壓在一定范圍內(nèi)，而電壓臨界值對(duì)應(yīng)的電流臨界值即為我們看到的電流標(biāo)稱值，電流標(biāo)稱值越大說(shuō)明適配器帶載能力越好。所以選擇電流略大的適配器不但不會(huì)傷害電池，反而會(huì)讓充電變得更快。廣東數(shù)碼產(chǎn)品電源哪家好電源內(nèi)部結(jié)構(gòu)簡(jiǎn)介是怎樣的？</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東數(shù)碼產(chǎn)品電源工廠制造商,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795371943359/8833022.jpg"></div><p> 在選擇電源適配器的時(shí)候，往往都會(huì)考慮什么品牌？ </p> <p> 1、穩(wěn)定性 </p> <p> 電源適配器在穩(wěn)定性這塊大都一樣，都是根據(jù)過(guò)流保護(hù)、EMI輻射、電壓偏離、紋波抑>制、交叉負(fù)載、時(shí)序、動(dòng)態(tài)測(cè)試等等項(xiàng)目的表現(xiàn)，從而得出電源適配器能否長(zhǎng)時(shí)間穩(wěn)定運(yùn)行 </p> <p> 根據(jù)不同的環(huán)境，數(shù)據(jù)表現(xiàn)也不同，穩(wěn)定性也不會(huì)一樣。比如國(guó)內(nèi)市電電壓是220V，像日本、美國(guó)、加拿大等市電電壓是110V，電源適配器在這兩種情況下的穩(wěn)定性就不同，不過(guò)電源適配器都存在20%的電壓浮動(dòng)范圍，去國(guó)外使用的話也不用太過(guò)擔(dān)心 </p> <p> 2、方便性 </p> <p> 電子產(chǎn)品本身就是因?yàn)榉奖愕脑?，慢慢朝著小而精致的方向發(fā)展，電源適配器自然也是一樣，相信沒(méi)有人會(huì)愿意隨身攜帶大家伙。方便性是根據(jù)電源適配器的三圍、體積、重量來(lái)做考慮，輕巧一些的價(jià)格自然會(huì)高點(diǎn) </p> <p> 3、節(jié)能性 </p> <p> 現(xiàn)在倡導(dǎo)綠色出行，節(jié)約能源，相信大家也能理解。電源適配主要是從轉(zhuǎn)換效率來(lái)，初的電源轉(zhuǎn)換效率只有60%，現(xiàn)在隨著技術(shù)的進(jìn)步和發(fā)展，普遍能達(dá)到70%以上，像綠巨能生產(chǎn)的電源適配器轉(zhuǎn)換效率就能高達(dá)85% </p> <p> 4、耐用性 </p> <p> 它的耐用性相對(duì)于比較重要。除了正常使用連接市電和電子設(shè)備外大家經(jīng)常會(huì)把電源適配器拿來(lái)拿去，有些磕磕碰碰是難免的，并且線材也會(huì)頻繁折動(dòng)，這就決定了它老化的速度變快 </p><p> 電源適配器因其便宜的價(jià)格，以及對(duì)電器產(chǎn)品和人體自身提供良好的安全保護(hù)，被廣泛應(yīng)用到各類電器產(chǎn)品上。在我們的日常生活中，經(jīng)常使用到電源適配器的產(chǎn)品已不局限于手機(jī)、筆記本電腦、收音機(jī)等各類信息技術(shù)或音、視頻設(shè)備，也越來(lái)越多地應(yīng)用到電風(fēng)扇、吸塵器、加濕器、空氣凈化器等家用電器產(chǎn)品上。 </p> <p> 3C認(rèn)證是我國(guó)的強(qiáng)制性認(rèn)證，列入強(qiáng)制性認(rèn)證目錄的產(chǎn)品必須獲得3C認(rèn)證才能進(jìn)行生產(chǎn)、銷售。貼上3C標(biāo)識(shí)的產(chǎn)品通常認(rèn)為是安全的，可滿足相關(guān)標(biāo)準(zhǔn)的要求。目前，市面上越來(lái)越多的家電產(chǎn)品是通過(guò)電源適配器進(jìn)行供電，那么，獲得3C認(rèn)證的電源適配器，直接給家用電器供電，是否安全可靠？能否滿足家用電器標(biāo)準(zhǔn)的要求？ </p> <p> 電源適配器屬?gòu)?qiáng)制性認(rèn)證產(chǎn)品，一般歸分為信息技術(shù)設(shè)備類和音頻、視頻電子設(shè)備類，產(chǎn)品的安全標(biāo)準(zhǔn)分別是：GB 4943.1-2011《信息技術(shù)設(shè)備安全第1部分：通用要求》和GB8898-2011《音頻、視頻及類似電子設(shè)備安全要求》。 </p> <p> 一般情況下通過(guò)3C認(rèn)證的電源適配器產(chǎn)品都可以確保使用安全，消費(fèi)者可以放心使用。 </p> <p> <br /> </p> <p> <br /> 電源適配器，也有叫充電器。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東數(shù)碼產(chǎn)品電源工廠制造商,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795371865234/4318662.jpg"></div><p> 電源適配器又叫外置電源，是小型便攜式電子設(shè)備及電子電器的供電電壓變換設(shè)備，具有電壓轉(zhuǎn)換功能，其常見(jiàn)的產(chǎn)品名稱有電源適配器、充電器和電源供應(yīng)器等 </p> <p> 電源適配器一般由外部絕緣外殼和內(nèi)部電路器件組成，其與電網(wǎng)電源（市電）的連接方式分為插頭電源線和直插式，其中直插式電源適配器的外殼與插銷形成一體，這種形式也是目前小型便攜式電子產(chǎn)品電源適配器（充電器）中應(yīng)用zui多的情況。 </p> <p> 多年來(lái)，我國(guó)一直對(duì)信息技術(shù)設(shè)備和音視頻設(shè)備用電源適配器產(chǎn)品實(shí)施CCC強(qiáng)制性產(chǎn)品認(rèn)證管理制度，同時(shí)各級(jí)質(zhì)量監(jiān)管部門(mén)也在不斷針對(duì)電源適配器產(chǎn)品進(jìn)行監(jiān)督抽檢工作。隨著電子產(chǎn)品日益增多，電源適配器供電的應(yīng)用越發(fā)普及，已形成適用人員多樣性和使用環(huán)境多樣性的特點(diǎn)，加大了產(chǎn)品質(zhì)量安全風(fēng)險(xiǎn)程度。 </p> <p> 而且電源適配器的生產(chǎn)技術(shù)工藝雖已較為成熟，但是技術(shù)門(mén)檻不高，成本低廉，缺乏生產(chǎn)質(zhì)量保證能力的中小型企業(yè)的產(chǎn)品不斷涌入市場(chǎng)，致使產(chǎn)品質(zhì)量良莠不齊，總體抽檢不合格率較高。因此，如何提升電源適配器產(chǎn)品的質(zhì)量是我們檢驗(yàn)檢測(cè)機(jī)構(gòu)、監(jiān)管部門(mén)以及電源適配器生產(chǎn)企業(yè)，甚至是整機(jī)產(chǎn)品生產(chǎn)企業(yè)共同關(guān)注的問(wèn)題。 </p> <p> <br /> </p> <p> <br /> 新賽的電源我們歡迎您來(lái)廠親自參觀，我們也會(huì)用質(zhì)量的電源適配器產(chǎn)品與服務(wù)來(lái)回報(bào)您的信任！廣東線性電源</p><p style="text-indent:25px">可轉(zhuǎn)換頭電源適配器的出現(xiàn)，很大程度上為廠家的出口提供了便利。廣東數(shù)碼產(chǎn)品電源工廠制造商</p><p> 4.動(dòng)態(tài)性能 </p> <p> 動(dòng)態(tài)性能指的是電源在負(fù)載大起大落時(shí)候的瞬間的電壓變動(dòng)。這個(gè)包括電壓的變化和電壓的波形。在負(fù)載高低變化的一瞬間，電壓越穩(wěn)定越好，波形越接近一條直線越好。因?yàn)檫@個(gè)測(cè)試目前還沒(méi)有一個(gè)固定的標(biāo)準(zhǔn)。而且一般也遇不到這種情況，所以一般只是作為一個(gè)對(duì)比參考。 </p> <p> 5.保持時(shí)間 </p> <p> 保持時(shí)間指的是突然斷電后，各路電壓正常輸出的時(shí)間，這個(gè)時(shí)間主要是由主電容容量決定的。其主要目的是為了給一些硬件作出應(yīng)急處理的時(shí)間，比如機(jī)械硬盤(pán)磁頭歸位，固態(tài)的掉電保護(hù)等等。一般來(lái)說(shuō)主電容容量比較好大于每瓦0.5微法。廣東數(shù)碼產(chǎn)品電源工廠制造商</p><p 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