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type="text/javascript"> initCommonHeader(); </script> <script type="text/javascript"> var OBJ_TITLE = "開關(guān)電源與變壓器是一回事??"; var OBJ_ID = "582"; var MARK = "news"; var ARR_AD_MARK = ["news_detail_1", "news_detail_2", "news_detail_3"]; var SID = "0001,0002,0006"; //權(quán)限ID var AUTHORITY_ID = ""; </script> <script src="/JS/Cls_jsPage.js"></script>  <div id="6aplaizydtj" class="content"> <div id="6aplaizydtj" class="plc2"> 當(dāng)前位置??a href="/">首頁</a> » <a href="/news/">資訊中心</a> » <a href="/News/News-0001,0002,0006.shtml"> 晨飛資訊</a> » <a href="">開關(guān)電源與變壓器是一回事??</a></div> <div id="6aplaizydtj" class="list4nr"> <div id="6aplaizydtj" class="n_info_con" id="printableview"> <h3> 開關(guān)電源與變壓器是一回事??</h3> <div id="6aplaizydtj" class="info_con_tit"> <div id="6aplaizydtj" class="info_con_tit"> <div id="6aplaizydtj" class="n_tit"> <span>文章出處??a href=""><a >深圳市晨飛電子有限公??/a></a></span><span>網(wǎng)責(zé)任編輯：<a >NSW</a></span><span>作者：<a >NSW</a></span><span>人氣??span id="cntrHits">-</span></span><span>發(fā)表時(shí)間??016-05-10 13:53:00</span> <div id="6aplaizydtj" class="newchang">  <div class="6aplaizydtj" id="ckepop"> <a class="jiathis jiathis_txt jtico jtico_jiathis" target="_blank">分享到：</a> <a class="jiathis_button_qzone">QQ空間</a> <a class="jiathis_button_tsina"> 新浪微博</a> <a class="jiathis_button_tqq">騰訊微博</a> <a class="jiathis_button_tsohu">搜狐微博</a> <a class="jiathis_button_t163">網(wǎng)易微博</a> <a class="jiathis_button_tools_1"></a><a class="jiathis_button_tools_2"></a> </div> <script type="text/javascript"> var jiathis_config = { "data_track_clickback": true };</script> <script type="text/javascript" src="http://v2.jiathis.com/code/jia.js?uid=899792" charset="utf-8"></script>  </div> </div> </div> </div> <div class="6aplaizydtj" id="cntrBody"> <p></p> <p> <p class="ordinary-outputtarget-output">現(xiàn)在電子產(chǎn)品比較多，有許多的電子元器件都能夠?qū)崿F(xiàn)一部分的功能，但是他們之間又有一定的差別，今天小編就來為大家介紹??a href="http://linhang.com.cn"><strong>開關(guān)電??/strong></a>與變壓器的區(qū)別，那么什么是開關(guān)電源，什么是變壓器呢？以及他們的原理又是怎么樣的呢？本文為大家介紹了開關(guān)電源的原理與功能，以及主要是使用在一些什么樣的場合中，并著重為大家介紹了開關(guān)電源與變壓器的一些區(qū)別？具體詳細(xì)的情況請看下面的分析??/p> <p class="ordinary-outputtarget-output" style="text-align: center;"><span lang="EN-US"> </span><img width="198" height="198" src="http://linhang.com.cn/UploadFiles/Product/20120703152723_97370.jpg" alt="開關(guān)電源變壓器" /></p> <p class="ordinary-outputtarget-output"><span lang="EN-US"> </span></p> <p class="ordinary-outputtarget-output">簡單地說，變壓器是一種電子元件的電路，而開關(guān)電源是一個(gè)多電子元件，可以通過相應(yīng)的功率轉(zhuǎn)換電路來實(shí)現(xiàn)??/p> <p class="ordinary-outputtarget-output">不同的開關(guān)電源可以將各種不同形式的電力轉(zhuǎn)換成另一種形式的電力，例如：</p> <p class="ordinary-outputtarget-output">可以完成??span lang="EN-US">/</span>低電壓轉(zhuǎn)換的交流和直流，和高<span lang="EN-US">/</span>低頻率轉(zhuǎn)換的交流電可以完成。（開關(guān)電源內(nèi)部可以使用變壓器作為電路元件??/p> <p class="ordinary-outputtarget-output">而如果只有一個(gè)很好的設(shè)計(jì)的變壓器作為一個(gè)電子元件，它只能實(shí)現(xiàn)一個(gè)固定頻率的交流電流??span lang="EN-US">/</span>低電壓轉(zhuǎn)換??/p> <p class="MsoNormal"><span lang="EN-US"> </span><span lang="EN-US"> </span></p> <p class="MsoNormal"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">開關(guān)電源的工作原理是：首先，將交流電轉(zhuǎn)化為直流，然后再通過高頻變壓器的電壓轉(zhuǎn)換成交流電的頻率較高。開關(guān)電源是由一個(gè)電路控制開關(guān)管路的高速通道和結(jié)</span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">束。具有高頻交變電流的直流電源轉(zhuǎn)換變壓器，需要一組或一組電壓。該變壓器是通過磁耦合電壓轉(zhuǎn)換。在某一領(lǐng)域的開關(guān)電源，是不是一個(gè)替代變壓器，其輸出??/span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">變壓器，整流器，濾波器，電壓調(diào)節(jié)器是純。普通變壓器是直流進(jìn)行電壓轉(zhuǎn)換的直流電源。差異主要有：開關(guān)電源重量輕，適應(yīng)更寬的電壓范圍，功率利用效率??/span> <span style="font-family:宋體;mso-ascii-font-family:"Times New Roman";mso-hansi-font-family: "Times New Roman"">高，更環(huán)保，但成本高，相應(yīng)的點(diǎn)（有時(shí)也不太高），絕大部分場合完全可以代換變壓器使用??/span><span lang="EN-US">.</span></p> <p class="MsoNormal"><span lang="EN-US"> </span><span lang="EN-US"><br type="_moz" /> </span></p> <p class="MsoNormal"><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">　開關(guān)電源和變壓器的區(qū)別是開關(guān)電源穩(wěn)定在一定范圍內(nèi)的電壓很低或高壓力的精確控制（例如輸??/span><span lang="EN-US">110v-250</span><span style="font-family:宋體;mso-ascii-font-family: "Times New Roman";mso-hansi-font-family:"Times New Roman"">，輸出電壓可在正、負(fù)電壓需要穩(wěn)定為</span><span lang="EN-US">0.5V</span><span style="font-family:宋體;mso-ascii-font-family:"Times New Roman"; mso-hansi-font-family:"Times New Roman"">）！變壓器的輸出電壓隨輸入電壓的變化而變化，即輸入電壓增加，輸出電壓也增加，輸入電壓降低，輸出電壓降低。由于開關(guān)電源是將直流電壓轉(zhuǎn)換為直流，直流電壓通過功率開關(guān)管的頻率越高，交流電流越高，通過高頻變壓器進(jìn)行電壓轉(zhuǎn)換，不僅提高了工作效率和大大降低了體積，而且節(jié)省了銅和鐵的損耗。因?yàn)楣β书_關(guān)管由功率開關(guān)控制，開關(guān)管的導(dǎo)通時(shí)間短，輸出電壓可以保持在低電流。負(fù)載開關(guān)管保持輸出電壓。因此，開關(guān)電源輸出電壓穩(wěn)定，可作為一個(gè)發(fā)光二極管顯示屏和其他高精度儀器的選擇??/span><span lang="EN-US"><br type="_moz" /> </span></p> <p class="MsoNormal"> </p> <p style="margin:0cm;margin-bottom:.0001pt;line-height:19.5pt">以上就是小編為大家總結(jié)的關(guān)于開關(guān)電源與變壓器之間的區(qū)別的介紹，希望小編總結(jié)的能夠幫到大家??span style="color:#999999">如果還有什么問題或者了解更多關(guān)于變壓器的知識，需要學(xué)習(xí)資料的朋友，本網(wǎng)站每周會(huì)更新一，兩篇相關(guān)的文章在這個(gè)專題，為了方便大家查看，可以點(diǎn)擊最上面搜索框后的收藏為書簽按鈕??/span>收藏本網(wǎng)??span style="color:#999999">，我們總結(jié)的變壓器資料可能會(huì)對大家的學(xué)習(xí)，工作方面有幫??/span>。如果你還想了解本站更多的相關(guān)文章，可以點(diǎn)擊<a href="http://linhang.com.cn/news/"><strong>變壓??/strong></a>知識解答</p> </p> </div> <div id="6aplaizydtj" class="apage" id="showfenye">  <script 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