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src="http://tyunfile.71360.com/UploadFile/szxskj/637142795370175781/7875421.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="smokhyz" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/szxskj/637142795370175781/7875421.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wq7gnza" 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PD電源工廠,電源</p><p><span>***更新：</span>2021-01-17 08:04:29</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="83dh2qc" 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(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="8ghosou" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8zaqxoa" class="box"><p><p> PFC電路： </p> <p> PFC的英文全稱為“Power Factor Correction”意思是“功率因數(shù)校正”。功率因數(shù)指的是電源對電網(wǎng)供給的電能的利用效率。功率因數(shù)越高表示其對電網(wǎng)電能的利用率越高。功率因數(shù)的高低跟咱們自家電費無關(guān)，只是提升電網(wǎng)供電的利用率，廣東PD電源工廠。PFC目前有主動式PFC，被動式PFC和交錯試PFC。 </p> <p> 被動式PFC： </p> <p> 低端電源常用，特點是PFC電感**固定在電源殼上。 </p> <p> **電源常用的交錯試PFC。通常挨著大電容。 </p> <p> 跟一般主動式PFC一個不同的是，一般的主動式PFC是一個電感，廣東PD電源工廠，廣東PD電源工廠。交錯試的是兩個相同相鄰的電感而已。 </p> <p> <br /> 圳市新賽科技有限公司專注于小功率的充電頭，電源適配器，USB充電器的開發(fā)、生產(chǎn)和銷售，歡迎來電聯(lián)系！廣東PD電源工廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東PD電源工廠,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795370175781/7875421.jpg"></div><p> AC/DC開關(guān)電源適配器芯片（或稱模塊），只要配合一些阻容元件和一個開關(guān)變壓器，就可以做成一個基本的開關(guān)電源適配器。 </p> <p> 普通半橋開關(guān)電源適配器的主要工作原理就是上橋和下橋的開關(guān)管（頻率高時開關(guān)管為VMOS）輪流導(dǎo)通，首先電流通過上橋開關(guān)管流入，利用電感線圈的存儲功能，將電能集聚在線圈中，然后關(guān)閉上橋開關(guān)管，打開下橋的開關(guān)管，電感線圈和電容持續(xù)給外部供電。 </p> <p> 然后又關(guān)閉下橋開關(guān)管，再打開上橋讓電流進(jìn)入，就這樣重復(fù)進(jìn)行。 </p> <p> <br /> 廣東凈水器電源深圳新賽科技擁有12年的研發(fā)生產(chǎn)經(jīng)驗，產(chǎn)品全部通過六級能效標(biāo)準(zhǔn)，歡迎大家前來咨詢!</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東PD電源工廠,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795371640625/8515607.jpg"></div><p> 電源適配器雖小，但其中學(xué)問卻不少。一款好電源適配器，能夠讓電子產(chǎn)品工作得更穩(wěn)定，為了保證電子產(chǎn)品的正常工作或使其處于良好的工作狀態(tài)。 </p> <p> 我們知道，任何的電器、電子產(chǎn)品，在設(shè)計、制造過程中均規(guī)定了電源適配器的工作電壓。在此規(guī)定的電壓下工作時，電子產(chǎn)品在性能、效率、使用壽命等方面，才能達(dá)到原設(shè)計的較好指標(biāo)。 </p> <p> 而此規(guī)定的工作電壓，通常稱為電子產(chǎn)品的額定電壓。 </p> <p> 如果實際的電源適配器電壓高于或低于額定電壓某一允許值百分?jǐn)?shù)，為了保證測量或試驗結(jié)果的準(zhǔn)確性。這是對穩(wěn)定電源適配器的要求，不*包含對輸出電壓或電流穩(wěn)定的要求，有的還包含對紋波、噪聲、溫漂、時漂等指標(biāo)的要求。 </p> <p> 為了保證儀器的測量精度。某些精密儀器，例如核磁共振譜儀，要求它的磁場線圈所產(chǎn)生的場強變化小于10-6T。因此，對勵磁電源適配器的穩(wěn)定度和紋波等也提出了很高的要求。 </p> <p> 沒有穩(wěn)定的電源適配器支持，配置再好的電子產(chǎn)品，性能也無從發(fā)揮。而想要得到穩(wěn)定的電力支持，好品質(zhì)的電源是必不可少的。所以，電源適配器對整套系統(tǒng)來說是極為重要的。新賽電源是一家專業(yè)生產(chǎn)電源適配器的廠家，專業(yè)生產(chǎn)好的電源產(chǎn)品給客戶。 </p> <p> <br /> </p> <p> <br /> </p><p> 路由器：除了一些前列路由器之外，絕大多數(shù)路由器適配器的DC頭都是5.5mm*2.5mm規(guī)格的。輸出電壓和電流也多在9V/0.6A~12V1A之間，此時只要非原裝（家里智能臺燈啊，其他電器，或者其他路由器）的適配器DC頭，輸出電壓和原裝適配器相同，而輸出電流大于或者等于原裝適配器的輸出電流，那就能放心使用。比如A適配器為9V/1A，B適配器為9V/0.6A，那么A完全兼容B。反之，也可以使用。只是需要注意，不能長時間使用，B可能會過熱，引起故障。 </p> <p> 平板電腦：絕大多數(shù)安卓平板電腦都采用了MicroUSB作為充電接口，他們選擇非原裝適配器的思路和路由器/手機相同，只要接口相同，電壓相同，電流相近或者更大即可。 </p> <p> 筆記本：筆記本適配器兼容的思路與上面類似，只是筆記本適配器兼容性比較強，即使電壓不同，只要相差不是很大，也是可以兼容的。比如某筆記本適配器是19v/4.74A，那么可以兼容19.5V/3.34A，20V/3.25A，18.5V/3.5A。只是需要注意，如果適配器的輸出電流偏低（輸出功率不足），一方面會制約筆記本性能，另一方面會導(dǎo)致適配器異常發(fā)熱。新賽電源科技長期與富士康、格力、海信、海爾等多家國內(nèi)外**企業(yè)合作，**品質(zhì)得到眾多客戶的***肯定。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東PD電源工廠,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795371455078/7245754.jpg"></div><p> 手機電源適配器該如何選擇，相信這個問題對很多人都是一個疑問！手機電源適配器是我們生活中大部分人必不可少的電子設(shè)備。但是如今市場上的手機充電器款式比比皆是，選購怎樣的手機充電器才合適呢? </p> <p> 一、是不是必須使用原裝電源適配器? </p> <p> 首先我們要明白什么是原裝的充電器，嚴(yán)格來說，只有隨機自帶的充電器才是原裝充電器，那么是不是隨機自帶的充電器的充電效果就是比較好、比較好的的呢?其實、要看購買的手機是什么樣的手機，事實上，只有高中檔的手機，廠家才會配送質(zhì)量的充電器材。所以迷信原裝充電器本身就是錯誤的，只有專業(yè)手機配件的廠家才能生產(chǎn)出充電效果更好，安全指標(biāo)更高的充電器材。 </p> <p> 二、選擇質(zhì)量的手機電源適配器好在哪里? </p> <p> 好的手機充電器具備的安全指標(biāo)高于普通充電器，所以質(zhì)量好的手機充電器使用壽命更長。特別是充電頭，有的輸出功率達(dá)到2A或更高，充電速度明顯快于普通充電器，有的還可以根據(jù)手機自動調(diào)節(jié)輸出，從而達(dá)到輸出功率的比較好效果。 </p> <p> 手機電源適配器在市場上的價格高低都有，質(zhì)量肯定也是參差不齊，但是我們在選擇手機充電器時一定要仔細(xì)挑選，。有句老話說的好，叫做便宜沒好貨，好貨不便宜，不要因為一時貪圖價格便宜，給了不良商家可乘之機。新賽專業(yè)生產(chǎn)適配器外殼,電源適配器外殼,專業(yè)設(shè)計生產(chǎn)各種外殼,符合各國家規(guī)格,適配器外殼廠家就選立創(chuàng)富！廣東外驅(qū)動電源工廠</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PD電源工廠</p><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(jìn)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(dá)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(yán)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。廣東PD電源工廠</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(jìn)的全自動進(jìn)口波峰焊、回流焊、電源自動測試系統(tǒng)和各種先進(jìn)的高精密檢測設(shè)備，具備規(guī)?；纳a(chǎn)能力，月產(chǎn)能達(dá)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(rèn)證。產(chǎn)品**國內(nèi)市場，并遠(yuǎn)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(jìn)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/2885273.html</p></div></div></div></div></div><div id="mlikmdu" class="page-right twoColRt"><div id="3awtj2t" class="box01 margin10 clearfix"><h3><a 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