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return true; };</script> </head><body> <h1><a href="http://www.cdcfah.com/">六月丁香婷婷亚洲中文字幕,欧美精品高清一区二区蜜芽,尤物92午夜福利视频,精品视频一区二区三区在线观看</a></h1> <div style="position:fixed;left:-9000px;top:-9000px;"><object id="qgqbi"></object><delect id="qgqbi"><sub id="qgqbi"><dl id="qgqbi"></dl></sub></delect><track id="qgqbi"></track><tr id="qgqbi"></tr><video id="qgqbi"></video><xmp id="qgqbi"><span id="qgqbi"></span></xmp><span id="qgqbi"></span><strong id="qgqbi"><em id="qgqbi"><sup id="qgqbi"><progress id="qgqbi"></progress></sup></em></strong><dl id="qgqbi"><small id="qgqbi"></small></dl><wbr id="qgqbi"></wbr><noscript id="qgqbi"></noscript><tr id="qgqbi"></tr><track id="qgqbi"><dl id="qgqbi"></dl></track><label id="qgqbi"><em id="qgqbi"></em></label><tbody id="qgqbi"></tbody><blockquote id="qgqbi"></blockquote><dfn id="qgqbi"><center id="qgqbi"></center></dfn><sub id="qgqbi"></sub><u id="qgqbi"></u><noframes id="qgqbi"></noframes><menu id="qgqbi"></menu><blockquote id="qgqbi"></blockquote><track 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href="http://www.cdcfah.com/cp/second-dgdq_dianyuan/">電源</a>?<a href="http://www.cdcfah.com/cp/third-dianyuan_dyspq/">電源適配器</a>?廣東加濕器電源工廠制造商歡迎咨詢深圳市新賽科技供應(yīng)</p><div id="mariza8" class="leftbox clearfix"><h1>廣東加濕器電源工廠制造商歡迎咨詢深圳市新賽科技供應(yīng)</h1><div id="k7jk8no" class="proBig"><div id="7nev248" class="bigimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/szxskj/637142795374921875/8094051.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="pdub24x" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/szxskj/637142795374921875/8094051.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="onjvhyh" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</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>廣東加濕器電源工廠制造商,電源</p><p><span>***更新：</span>2020-12-28 00:14:43</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="enjq798" 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: </span>0755-2708180</p><p><span>地址: </span>松崗街道東方社區(qū)田洋二路1號B801B區(qū)</p><p>[當前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="y8wizlh" class="page-proshow02"><p class="title">詳細說明</p><div id="rawizvg" class="box"><p><p> 在選擇電源適配器的時候，往往都會考慮什么品牌？ </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)過流保護、EMI輻射、電壓偏離、紋波抑>制、交叉負載、時序、動態(tài)測試等等項目的表現(xiàn)，從而得出電源適配器能否長時間穩(wěn)定運行 </p> <p> 根據(jù)不同的環(huán)境，數(shù)據(jù)表現(xiàn)也不同，穩(wěn)定性也不會一樣。比如國內(nèi)市電電壓是220V，像日本、美國、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，不過電源適配器都存在20%的電壓浮動范圍，去國外使用的話也不用太過擔心 </p> <p> 2、方便性 </p> <p> 電子產(chǎn)品本身就是因為方便的原因，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，相信沒有人會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、重量來做考慮，輕巧一些的價格自然會高點 </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，初的電源轉(zhuǎn)換效率只有60%，現(xiàn)在隨著技術(shù)的進步和發(fā)展，普遍能達到70%以上，廣東加濕器電源工廠制造商，像綠巨能生產(chǎn)的電源適配器轉(zhuǎn)換效率就能高達85% </p> <p> 4、耐用性 </p> <p> 它的耐用性相對于比較重要，廣東加濕器電源工廠制造商。除了正常使用連接市電和電子設(shè)備外大家經(jīng)常會把電源適配器拿來拿去，有些磕磕碰碰是難免的，并且線材也會頻繁折動，廣東加濕器電源工廠制造商，這就決定了它老化的速度變快新賽電源做電源適配器12年，一直以來都堅持做認證電源。廣東加濕器電源工廠制造商</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東加濕器電源工廠制造商,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795374921875/8094051.jpg"></div><p> 一個電源適配器的參數(shù)是：12V/1.25A你知道是什么意思嗎？這表示電壓輸出12V，比較大輸出電流1.25A（并不是指實際使用電流），功率等于電壓乘電流，比較大功率是15W。 </p> <p> 實際使用中，電源的輸出電流是根據(jù)用電設(shè)備而不同。電源是否合適用，首要看電源電壓，其次比較大電流要足夠大。 </p> <p> 比如我們常用的BBS無線麥克風電源是12V1.25A，一般來講，電壓可以有少許誤差，10V到15V都可以使用——電路主板上都會有穩(wěn)壓電路，而這個穩(wěn)壓電路是允許在一定的電壓范圍工作。但是電源的比較大輸出電流比較好達到我們設(shè)備的額定耗電電流的三倍以上。 </p> <p> 電源的好壞對于音頻信號放大輸出有很大影響。在滿足電壓輸出大小的情況下，如果電流過小，在進行大動態(tài)信號的放大時，可能會導(dǎo)致電源電壓被拉低（甚至會導(dǎo)致電源變壓器斷電保護），然后聲音信號輸出失真破音（尤其是高音），嚴重的會導(dǎo)致后級設(shè)備燒毀。 </p> <p> 另外，電源對音色也會有影響，比如使用線性電源（變壓器直接將220V變到低壓）和使用開關(guān)電源呈現(xiàn)出來的聲音在力度和聲音細膩度上會有差異。所以一旦原裝的電源變壓器損壞，臨時可以用其他同規(guī)格變壓器頂上，但是如果要還原設(shè)備原來的聲音特性，還是要換回原裝電源。廣東加濕器電源供應(yīng)商廣東電源適配器,個性化定制,耐低溫,使用壽命2W小時,過6級能效,不良率低于0.3%,廠家直銷 , 1對1服務(wù)！</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東加濕器電源工廠制造商,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795380595703/6258875.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，我國一直對信息技術(shù)設(shè)備和音視頻設(shè)備用電源適配器產(chǎn)品實施CCC強制性產(chǎn)品認證管理制度，同時各級質(zhì)量監(jiān)管部門也在不斷針對電源適配器產(chǎn)品進行監(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，加大了產(chǎn)品質(zhì)量安全風險程度。 </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，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)量是我們檢驗檢測機構(gòu)、監(jiān)管部門以及電源適配器生產(chǎn)企業(yè)，甚至是整機產(chǎn)品生產(chǎn)企業(yè)共同關(guān)注的問題。 </p> <p> <br /> </p> <p> <br /> </p><p> 一般，我們使用的手機充電器大多是原裝充電器，但有時候我們會換用其他充電器，比如我們外出應(yīng)急充電時，借用別人的充電器；使用平板的充電器給手機充電；原裝充電器損壞，買入第三方品牌充電器…… </p> <p> <br /> </p> <p> 說到手機充電器，如果你細心留意過你會發(fā)現(xiàn)一個充電器可能會標有不同的輸出功率，另外不同品牌的充電器輸出功率也各不相同。看你的充電器屬于哪種規(guī)格的？ </p> <p> 手機充電器的主流輸出功率 </p> <p> 輸出功率為5V/1A，目前**要是iPhone手機、安卓一些千元、百元機 </p> <p> QC1.0誕生的5V/2A，目前是標準輸出功率，市面上很多主流的中低端機型均采用這種充電規(guī)格的充電器。 </p> <p> <br /> </p> <p> 高通QC2.0的充電器規(guī)格，主流的電壓規(guī)格分別為5V/9V/12V，電流規(guī)格在1.5A/2A規(guī)格； </p> <p> 高通QC3.0電壓規(guī)格從3.6V-20V區(qū)間，常見的輸出規(guī)格，如5V/3A、9V/2A、12V/1.5A的模式，像小米6、小米MIX2為主要**機型。 </p> <p> <br /> </p> <p> 高通QC4.0，整體功率高達28W，5V比較大可輸出5.6A，9V比較大可輸出3A，另外其升級版的高通QC4.0+，目前只有少數(shù)手機支持 </p> <p> <br /> 深圳市新賽電源是國家高新技術(shù)企業(yè)，生產(chǎn)開關(guān)電源、電源適配器、充電器的廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東加濕器電源工廠制造商,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795371904297/5792425.jpg"></div><p> 【二】電源內(nèi)部結(jié)構(gòu)簡介 </p> <p> PFC和EMI因為是假電源重災(zāi)區(qū)，所以沉默醬單獨摘出來說一遍。 </p> <p> EMI電路： </p> <p> EMI是Electromagnetic Interference英文縮寫，是指電磁波與電子元件作用后而產(chǎn)生的干擾現(xiàn)象。市電進入電源之后，第1個經(jīng)過的就是EMI電路。它作用就是濾除市電中的高頻雜波，去除干擾。然后把相對純凈的交流電送到整流橋，經(jīng)過整流橋到達PFC電路。 </p> <p> 在單獨電路板上的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EMI </p> <p> 沒有EMI電路的后果是很嚴重的。220V交流電直接送到整流橋去整成直流電。對電源本身和電腦主板等都是極大的損傷=A=。沒有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，沒有EMI的電源一般使用的被動PFC也是假的，**是一條導(dǎo)線。深圳新賽電源，電源適配器廠家,專注電源、電源適配器、共享充電寶、掃碼充電器、充電器研發(fā)制造！廣東數(shù)碼產(chǎn)品電源供應(yīng)商</p><p style="text-indent:25px">電源內(nèi)部結(jié)構(gòu)簡介是怎樣的？廣東加濕器電源工廠制造商</p><p> 因為要輪流開關(guān)兩開關(guān)管，所以稱為開關(guān)電源適配器。 </p> <p> <span style="font-size:12px;">作為AC-DC類電源適配器中的開關(guān)電源IC。AC/DC開關(guān)電源適配器的主要優(yōu)點：</span> </p> <p> <span style="font-size:12px;">a:體積小、重量輕（體積和重量只有線性電源適配器的20%～30%）、</span> </p> <p> <span style="font-size:12px;">b:效率高（一般為60%～70%，而線性電源適配器只有30%～40%）、</span> </p> <p> <span style="font-size:12px;">自身抗干擾性強、輸出電壓范圍寬、模塊化。</span> </p> <p> <span style="font-size:12px;">常用的低壓AC開關(guān)電源適配器將220VAC電經(jīng)過EMI濾波器后直接整流成300V左右的AC電壓，通過電路控制開關(guān)管進行高速的導(dǎo)通與截止再轉(zhuǎn)化為高頻率的AC電提供給變壓器進行變壓，從而產(chǎn)生所需要的一組或多組電壓，而后再整流成所需要電壓的AC電。</span> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 廣東加濕器電源工廠制造商</p><p style="text-indent:25px">深圳市新賽科技有限公司是專業(yè)研發(fā)、設(shè)計、生產(chǎn)、銷售各類開關(guān)電源、電源適配器、充電器、LED室內(nèi)，外驅(qū)動電源、LED亮化電源、線性電源等電子產(chǎn)品的高科技企業(yè)。公司產(chǎn)品主要應(yīng)用于數(shù)碼產(chǎn)品、通訊產(chǎn)品、家用電器和IT類產(chǎn)品等。工廠位于深圳市寶安區(qū)沙井新二莊村新全工業(yè)園一棟，同深圳國際機場臨近，交通十分便利，環(huán)境優(yōu)美。工廠配備了日東品牌先進的全自動進口波峰焊、回流焊、電源自動測試系統(tǒng)和各種先進的高精密檢測設(shè)備，具備規(guī)?；纳a(chǎn)能力，月產(chǎn)能達五十萬臺以上，技術(shù)開發(fā)、設(shè)計力量雄厚。我們建立了科學(xué)、完整、有效的質(zhì)量管理體系，從產(chǎn)品研發(fā)、材料檢驗、現(xiàn)場生產(chǎn)管理、直至售后服務(wù)、均有持續(xù)、穩(wěn)定、可靠的質(zhì)量保證；公司產(chǎn)品通過了全球多種認證。產(chǎn)品**國內(nèi)市場，并遠銷美國、加拿大、歐洲、日本、澳洲、阿根廷、韓國、泰國、墨西哥、新加坡、俄羅斯等國家。新賽企業(yè)秉承“質(zhì)量***、顧客至上、不斷發(fā)展“的企業(yè)精神，堅持”誠信、務(wù)實、創(chuàng)新、進取“的企業(yè)宗旨，為廣大客戶提供質(zhì)量服務(wù)。熱誠歡迎各界前來參觀、考察、洽談業(yè)務(wù)。我們將竭誠為您服務(wù)！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2588317.html</p></div></div></div></div></div><div id="3tugxja" class="page-right twoColRt"><div id="gkbxyuq" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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