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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="7k7dd27" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/tianci/637299732697519531/6129655.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="k8m2nzb" 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>天津路燈電-源哪家好,電-源</p><p><span>***更新：</span>2020-11-25 01:10:26</p><p><span id="click" >瀏覽次數(shù)：3次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="7hebi9l" 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(jī): </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(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="s4o977k" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="qszwy4c" class="box"><p><p> 電源模塊輸出有電壓但電壓低于標(biāo)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(dāng)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(dāng)輸入值偏低時將導(dǎo)致輸出值也偏低。當(dāng)然，這種情況是有限度的，對于一個特定的模塊來說，當(dāng)輸入電壓過低時將導(dǎo)致其不能工作，無輸出電壓。</span><span style="font-size:12px;">輸出過載是指負(fù)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(dāng)負(fù)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，天津路燈電-源哪家好、穩(wěn)定性以及散熱情況，天津路燈電-源哪家好，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。</span> </p> <p> <br /> 支持1％精度的電壓，電流，天津路燈電-源哪家好，電量，功率因素，控制器溫度采集與讀取。天津路燈電-源哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津路燈電-源哪家好,電-源" src="https://tyunfile.71360.com/UploadFile/tianci/637299732697519531/6129655.png"></div><p> 電源指示燈不亮，充電指示燈也不亮。檢查充電器輸入電源插頭與市電有沒有連接好，可將充電器輸入插頭插至正常的電源插座中試一下，如情況依舊，將充電器外殼打開，觀察一下機(jī)內(nèi)保險絲有沒有斷，如沒有斷，先檢查一下電源輸入線是否良好，在排除電源輸入線的故障后，應(yīng)檢查一下電路板上高壓區(qū)附近的元器件是否有虛焊，保險絲座是否有接觸不良現(xiàn)象，重點檢查變壓器T1、三極管V1、V2等是否有虛焊現(xiàn)象。另外，R5或R6開路，也會引起上述故障，如機(jī)內(nèi)保險絲已斷，則千萬不要更換大安培的保險絲管（充電器的保險絲管一般為2A），應(yīng)重點檢查D1-D4、V1、V2、R4、R7及D15、D21有無損壞，如有損壞，可用同類型的更換。請注意，上述元件損壞時，可能會同時損壞一到二個，有時可能會同時損壞好幾個，檢修時需要逐一檢查、更換這些元件后才能通電。天津路燈電-源哪家好所有電子產(chǎn)品都有壽命，電源也不例外。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津路燈電-源哪家好,電-源" src="https://tyunfile.71360.com/UploadFile/tianci/637299732667666015/2710771.png"></div><p> 初充模式。為兩階段的定電流、定時間的自動充電方式。主要為新電池初充設(shè)計。此模式充電，兩階段電流均不宜過大，恒流模式。開始充電時為恒流工作，當(dāng)電壓升高到設(shè)定值時轉(zhuǎn)入穩(wěn)壓工作，當(dāng)充電時間達(dá)到設(shè)定時間或充電容量滿時自動停止充電，這是基本進(jìn)程。當(dāng)充電時間足夠長時，基本進(jìn)程會疊加周期性的放電脈沖，疊加后的充電過程為"充-停-放-停-充"?？焖倌Ｊ?。快速模式包含三個順序階段：恒流、恒壓和小電流維持。恒流段以大電流充電為特征，當(dāng)充電量達(dá)到設(shè)定容量或充電時間達(dá)到設(shè)定值或電壓升至限定值時結(jié)束，轉(zhuǎn)入恒壓段。恒流段可使電瓶恢復(fù)80%左右的容量。恒壓段則維持恒流充電結(jié)束時的電壓，而電流逐漸減小，當(dāng)恒壓充電達(dá)到設(shè)定時間時，自動轉(zhuǎn)入維持充電過程?？焖倌Ｊ胶秃懔髂Ｊ揭粯?，當(dāng)充電時間足夠長時，基本進(jìn)程會疊加周期性的放電脈沖，疊加后的充電過程為"充-停-放-停-充"。恒壓過程結(jié)束時，電瓶容量可恢復(fù)95％以上。當(dāng)充電進(jìn)程轉(zhuǎn)入維持充電過程時，脈沖疊加停止。放電方式是為人工對電瓶放電而設(shè)計的功能。進(jìn)入該方式時，電瓶按照設(shè)定電流放電，當(dāng)電瓶電壓降到設(shè)定值時自動停止放電。 </p><p> 隔離電壓，是隔離型DC/DC電源模塊的一個重要指標(biāo)，一般分1000VDC、1500VDC、2000VDC、3000VDC、6000VDC等規(guī)格，是指在一定時間內(nèi)（通常是1秒）電源模塊所能承受的、施加在輸入端和輸出端之間的比較高電壓。隔離電壓等級越高，電源模塊內(nèi)部的保護(hù)器件和設(shè)計工藝要求就越高，從根本上講，就是成本越高。那么怎樣選擇合適的隔離電壓呢？<span style="font-size:12px;">電源模塊的隔離電壓，需要根據(jù)應(yīng)用場合來選擇。一般場合使用對電源模塊隔離電壓要求不是很高，但是更高的隔離電壓可以保證模塊電源具有更小的漏電流，更高的安全性和可靠性，并且EMC特性也更好一些，加之嵌入式系統(tǒng)器件集成度高，封裝小，相對比較脆弱，因此一般應(yīng)用業(yè)界，普遍的隔離電壓水平為1500VDC或以上。但在一些特殊的行業(yè)，比如醫(yī)療，戶外通信基站，高壓電力等，對電源模塊的隔離度要求則更高。</span> </p> <p> <br /> 具有可視化遠(yuǎn)程控制、故障主動報警、防盜監(jiān)控以及擴(kuò)展其它傳感應(yīng)用等功能。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="天津路燈電-源哪家好,電-源" src="https://tyunfile.71360.com/UploadFile/tianci/637299732686230469/9655467.png"></div><p style="text-indent:25px">高頻機(jī)與工頻機(jī)比較而言：尺寸小、重量輕、運(yùn)行效率高（運(yùn)行成本低）、噪音低，適合于辦公場所，性價比高（同等功率下，價格低），對空間、環(huán)境影響小，相對而言，高頻充電機(jī) 對復(fù)印機(jī)、激光打印機(jī)和電動機(jī)引起的沖擊（SPIKE）和暫態(tài)響應(yīng)（TRANSIENT）易受影響，由于工頻機(jī)的變壓器把市電與負(fù)載隔離，對市電惡劣的環(huán)境下，工頻機(jī)比高頻機(jī)能提供更安全和可靠的保護(hù)，在某些場合如醫(yī)療等，要求充電機(jī)有隔離裝置，因此，對工業(yè)、醫(yī)療、交通等應(yīng)用，工頻機(jī)是較好的選擇。兩者的選擇要根據(jù)客戶的不同、安裝環(huán)境、負(fù)載情況等條件權(quán)衡考慮。智慧燈桿電源是一款智能電源。天津路燈電-源哪家好</p><p style="text-indent:25px">推挽式電源在所有拓?fù)浣Y(jié)構(gòu)中，是利用率比較高的一種開關(guān)電源，無漏磁，驅(qū)動電路簡單。天津路燈電-源哪家好</p><p> 不間斷電源通過內(nèi)置儲電模塊(目前普遍是鉛酸電池)和逆變穩(wěn)壓模塊，為網(wǎng)絡(luò)設(shè)備、計算機(jī)、機(jī)房設(shè)備等提供持續(xù)不間斷的清潔電源，解決斷電、電壓不穩(wěn)、浪涌失真、電子干擾等一系列用電問題。<span style="font-size:12px;">UPS不間斷電源自1903年在美國洛杉磯問世之后，迅速在當(dāng)時的重工業(yè)中得到了的應(yīng)用。我們國內(nèi)自主生產(chǎn)的UPS不間斷電源是在1978年下線，1979年中美建交，我國回送給美國大使的禮物就是我國自己研發(fā)的UPS，當(dāng)時引起一片轟動。隨著生產(chǎn)生活的進(jìn)步，用電需求的日益增長，UPS電源在國內(nèi)的企業(yè)和家庭中受到了越來越大的重視和使用，特別是互聯(lián)網(wǎng)的高速發(fā)展，電腦服務(wù)器等各種電子設(shè)備對用電要求越來越高，UPS也發(fā)揮了越來越大的作用。國內(nèi)UPS電源的使用客戶已經(jīng)超過了2億，業(yè)內(nèi)營業(yè)額達(dá)到了驚人的500多億元。</span> 天津路燈電-源哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2128450.html</p></div></div></div></div></div><div id="is78meg" class="page-right twoColRt"><div id="dsctvu3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="7u2nzyp" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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