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src="https://tyunfile.71360.com/UploadFile/tianci/637299732145810547/3670384.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="f3z3gik" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/tianci/637299732145810547/3670384.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="uo8yxov" 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>天津智能燈桿電-源方案,電-源</p><p><span>***更新：</span>2020-07-24 09:56:11</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="mqxh7s8" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市天磁科技有限公司</a></p><p><span>聯(lián)系人：</span>劉先生</p><p><span>郵箱: </span>sales@tiancipower.com</p><p><span>電話: </span>13798502745</p><p><span>傳真: </span>0755_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0755-23282813</p><p><span>地址: </span>福海街道新田社區(qū)大洋路90-7號303</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="3tqicik" class="page-proshow02"><p class="title">詳細說明</p><div id="ice3a3j" class="box"><p><p> 電源模塊輸出有電壓但電壓低于標稱輸出值是測試過程中經(jīng)常遇到的問題，出現(xiàn)這種情況的原因無非有兩種，一是電源模塊為不良品或損壞，二是使用方法問題。下文天磁將重點討論使用方法導(dǎo)致的電源模塊輸出電壓低的情況。<span style="font-size:12px;">輸入電壓偏低是容易被忽略的情況，當輸出有問題時我們應(yīng)該檢查輸入是否正常。對于輸入為定壓或?qū)拤旱碾娫茨K，當輸入值偏低時將導(dǎo)致輸出值也偏低。當然，這種情況是有限度的，對于一個特定的模塊來說，當輸入電壓過低時將導(dǎo)致其不能工作，無輸出電壓，天津智能燈桿電-源方案。</span><span style="font-size:12px;">輸出過載是指負載工作功率大于電源模塊的額定輸出功率，過載情況下電源模塊的輸出電壓明顯被拉低。以ZY0505FS-1W為例，當負載電流增大到300mA時，輸出電壓只有4.5V。持續(xù)過載將影響到電源模塊的工作效率、穩(wěn)定性以及散熱情況，天津智能燈桿電-源方案，導(dǎo)致模塊使用壽命減少。若是過載導(dǎo)致的輸出電壓過低，則需要提升電源模塊的輸出功率，可以選擇2W或3W的模塊，天津智能燈桿電-源方案。</span> </p> <p> <br /> 可通過RS485、以太網(wǎng)等遠程實現(xiàn)電源通斷。天津智能燈桿電-源方案</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津智能燈桿電-源方案,電-源" src="https://tyunfile.71360.com/UploadFile/tianci/637299732145810547/3670384.png"></div><p style="text-indent:25px">輸出噪聲過大：針對電源模塊輸出參數(shù)異?！敵黾y波噪聲過大。眾所周知,噪聲是衡量電源模塊優(yōu)劣的一大關(guān)鍵指標,在應(yīng)用電路中,模塊的設(shè)計布局等也會影響輸出噪聲,那么輸出紋波噪聲過大通常是哪些原因造成的呢?電源模塊與主電路噪聲敏感元件距離過近;主電路噪聲敏感元件的電源輸入端處未接去耦電容;多路系統(tǒng)中各單路輸出的電源模塊之間產(chǎn)生差頻干擾;地線處理不合理。針對這一類問題,可以通過調(diào)整供電或者更換相應(yīng)的外圍電路來改善,具體如下所示:調(diào)高電壓或換用更大功率輸入電源;調(diào)整布線,增大導(dǎo)線截面積或縮短導(dǎo)線長度,減小內(nèi)阻;換用導(dǎo)通壓降小的二極管;減小濾波電感值或降低電感的內(nèi)阻。上海電-源質(zhì)量商家當超過使用壽命時，顯示會閃爍提醒我們必須及早更換，避免損失。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津智能燈桿電-源方案,電-源" src="https://tyunfile.71360.com/UploadFile/tianci/637299732404033203/1531663.png"></div><p> 充電機是采用高頻電源技術(shù)，運用先進的智能動態(tài)調(diào)整充電技術(shù)。它采用恒流/恒壓/小恒流智能三個階段充電方式，具有充電效率高，操作簡單，重量輕，體積小等特點。充電機是我國在華北地區(qū)，機器內(nèi)部電力器件（如變壓器、電感、電容器等）都較大，一般在帶載較大運行時存在較小噪聲，但該機型在惡劣的電網(wǎng)環(huán)境條件中耐抗性能較強，可靠性及穩(wěn)定性均比高頻機強。充電機是以微處理器（CPU芯片）作為處理控制中心，是將繁雜的硬件模擬電路燒錄于微處理器中，以軟件程序的方式來控制UPS的運行。因此，體積縮小，重量降**造成本低，售價相對低。高頻機逆變頻率一般在20KHZ以上。但高頻機在惡劣的電網(wǎng)及環(huán)境條件下耐受能力差，較適用于電網(wǎng)比較穩(wěn)定及灰塵較少、溫/濕度合適的環(huán)境。 </p><p> “設(shè)計余量”，一個讓人又愛又恨的指標。余量設(shè)計的本質(zhì)是預(yù)防意外，它雖然與品質(zhì)無關(guān)，但余量設(shè)計不足，會存在質(zhì)量問題的隱患，余量設(shè)計過大，又會造成成本的升高。<span style="font-size:12px;">由于嵌入式系統(tǒng)應(yīng)用廣，負載也具有多樣性，有的是阻性負載，有的是感性或容性負載，有的負載較穩(wěn)定，有的負載波動較大，有的甚至還會有空載、或滿載、或瞬間負載變大、或瞬間負載跌落的情況發(fā)生，這給確定電源模塊的功率等級造成一定的難度。一般情況下，負載電流的大小是決定功率的關(guān)鍵因素。</span> </p> <p> <br /> 在環(huán)境溫度較穩(wěn)定的50攝氏度下，智能發(fā)揮全部性能，實現(xiàn)效能完全無損耗。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津智能燈桿電-源方案,電-源" src="https://tyunfile.71360.com/UploadFile/tianci/637299732917226562/7960185.png"></div><p> “這部分電路到底需不需要隔離？”這基本上是每一個嵌入式系統(tǒng)工程師都會思考的問題。<span style="font-size:12px;">從隔離的目的來說，可以將隔離分為安全隔離和噪聲隔離兩大類。由于嵌入式系統(tǒng)的應(yīng)用廣</span><span style="font-size:12px;">，在硬件設(shè)計中，經(jīng)常會遇到多電壓供電，數(shù)?；旌希咚俚退傩盘柾宓葟?fù)雜的情況，處理稍有不慎，就會引入干擾，輕則降低產(chǎn)品性能，重則干擾通信甚至引起系統(tǒng)重啟、癱瘓等。此時，隔離就顯得尤為重要，在嵌入式系統(tǒng)的設(shè)計中，一般都會選擇使用隔離電源模塊對PCB不同區(qū)塊進行隔離供電，從比較大限度上減少噪聲干擾，提高系統(tǒng)穩(wěn)定性。</span> </p> <p> <br /> 智能電源更是一套PC硬件生態(tài)管理的結(jié)合體。廣東路燈電-源質(zhì)量商家</p><p style="text-indent:25px">單獨48V輸出，總功率150W。天津智能燈桿電-源方案</p><p> 另一個是要根據(jù)負載的波動情況來確定，有的負載較穩(wěn)定，有的負載就波動較大，甚至于有的還會有空載、或滿載、或瞬間負載變大、或瞬間負載跌落的情況發(fā)生，若有這種問題，比較好與電源模塊廠家說明，確認其設(shè)計上已有必要的應(yīng)對防護性設(shè)計措施，不是所有的電源都可以達到這個目標的。<span style="font-size:12px;">負載的類型也是一個影響因素。一般的模塊，其輸出是按照默認為阻性負載而設(shè)計的，如果負載是感性或容性負載，都需要與模塊廠家單獨說明，以便廠家出廠時的電源模塊內(nèi)部器件或參數(shù)稍作調(diào)整。</span><span style="font-size:12px;">電源模塊的開關(guān)頻率也是需要關(guān)注的，他決定了外接電源濾波器濾波參數(shù)（截止頻率、階次）的選擇。</span> </p> <p> <br /> 天津智能燈桿電-源方案</p><p style="text-indent:25px">深圳市天磁科技有限公司成立于2018-07-23，注冊資本：500-700萬元。該公司生產(chǎn)型的公司。天磁科技是一家有限責任公司（自然）企業(yè)，一直貫徹“以人為本，服務(wù)于社會”的經(jīng)營理念;“質(zhì)量高速，誠守信譽，持續(xù)發(fā)展”的質(zhì)量方針。公司目前擁有***員工51~100人人，具有[ "電源", "儲能PCS", "逆變器", "" ]等多項業(yè)務(wù)。天磁科技自成立以來，一直堅持走正規(guī)化、專業(yè)化路線，得到了廣大客戶及社會各界的普遍認可與大力支持。</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/694101.html</p></div></div></div></div></div><div id="cryvseb" class="page-right twoColRt"><div id="etax8d4" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="utqnurd" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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