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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="owyaoeu" class="smallimg"><div><p class="pic"><img src="http://tyunfile.71360.com/UploadFile/szxskj/637142795371865234/4318662.jpg" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="sya8iya" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)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>廣東凈水器電源適配器,電源</p><p><span>***更新：</span>2021-01-16 11:05:47</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="uuy08wy" 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(jī): </span>0755-2708180</p><p><span>地址: </span>松崗街道東方社區(qū)田洋二路1號(hào)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="aikm8cg" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ycqsw82" class="box"><p><p> 一個(gè)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，zui<span style="font-size:12px;">大輸出電流1.25A（并不是指實(shí)際使用電流），功率等于電壓乘電流，zui大功率是15W。</span> </p> <p> 實(shí)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，廣東凈水器電源適配器，廣東凈水器電源適配器，首要看電源電壓，其次zui.大電流要足夠大。 </p> <p> 比如我們常用的BBS無(wú)線麥克風(fēng)電源是12V1，廣東凈水器電源適配器.25A，一般來(lái)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(huì)有穩(wěn)壓電路，而這個(gè)穩(wěn)壓電路是允許在一定的電壓范圍工作。但是電源的zui.大輸出電流zui.好達(dá)到我們?cè)O(shè)備的額定耗電電流的三倍以上。 </p> <p> 電源的好壞對(duì)于音頻信號(hào)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(guò)小，在進(jìn)行大動(dòng)態(tài)信號(hào)的放大時(shí)，可能會(huì)導(dǎo)致電源電壓被拉低（甚至?xí)?dǎo)致電源變壓器斷電保護(hù)），然后聲音信號(hào)輸出失真破音（尤其是高音），嚴(yán)重的會(huì)導(dǎo)致后級(jí)設(shè)備燒毀。 </p> <p> 另外，電源對(duì)音色也會(huì)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(kāi)關(guān)電源呈現(xiàn)出來(lái)的聲音在力度和聲音細(xì)膩度上會(huì)有差異。所以一旦原裝的電源變壓器損壞，臨時(shí)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(lái)的聲音特性，還是要換回原裝電源。 </p> <p> <br /> </p> <p> <br /> 深圳市新賽科技有限公司是一家電源適配器廠家專業(yè)生產(chǎn):電源適配器,充電器,桌面式電源適配器,手機(jī)充電器。廣東凈水器電源適配器</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東凈水器電源適配器,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795371865234/4318662.jpg"></div><p> 我們經(jīng)常會(huì)收到一個(gè)關(guān)于如何找替代電源適配器的問(wèn)題，其中大多是關(guān)于AC-DC電源適配器的，那么這里面有沒(méi)有什么竅門呢？ </p> <p> 我們首先會(huì)問(wèn)客戶是否有一個(gè)零件編號(hào)或者型號(hào), 又或者問(wèn)他們有沒(méi)有電壓和電流上的需求。大多數(shù)電源適配器的標(biāo)簽上是可以找到以下信息的： </p> <p> 零件編號(hào)/ 型號(hào)、輸入、輸出 </p> <p> <span style="font-size:12px;">需要注意的一點(diǎn)是, 在這個(gè)標(biāo)簽上有一個(gè)正極中心標(biāo)識(shí)符, 它表示的是中心線接正極。雖然這是個(gè)常見(jiàn)的配置, 但是這一點(diǎn)比較重要。如果你用一個(gè)正極中心的適配器替代一個(gè)負(fù)極中心的適配器,可能會(huì)損壞電路。</span> </p> <p> 可是有些時(shí)候, 從這個(gè)適配器上的安裝類型, 我們未必能夠找到一樣類型的適配器。此時(shí), 我們需要看看一些別的信息。首先, 根據(jù)上面的信息, 知道我們需要12VDC的輸出, 因此選擇了12V。 </p> <p> 下一步你需要選擇電源的輸出電流。模板中輸出電流為1A,但是為了有更多的選擇, </p> <p> 所以在這里建議選擇所有輸出電流大于等于1A的。 </p> <p> 下一步你需要選擇電源的輸出電流。模板中輸出電流為1A,但是為了有更多的選擇, </p> <p> 所以在這里建議選擇所有輸出電流大于等于1A的。 </p> <p> 以上就是選擇AC-DC電源適配器的技巧，希望能能夠幫助到大家。 </p> <p> <br /> </p> <p> <br /> 廣東5v1a電源適配器想買正規(guī)電源適配器，您可以來(lái)12年電源適配器廠家新賽電源看看。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東凈水器電源適配器,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795370205078/263650.jpg"></div><p> 4.動(dòng)態(tài)性能 </p> <p> 動(dòng)態(tài)性能指的是電源在負(fù)載大起大落時(shí)候的瞬間的電壓變動(dòng)。這個(gè)包括電壓的變化和電壓的波形。在負(fù)載高低變化的一瞬間，電壓越穩(wěn)定越好，波形越接近一條直線越好。因?yàn)檫@個(gè)測(cè)試目前還沒(méi)有一個(gè)固定的標(biāo)準(zhǔn)。而且一般也遇不到這種情況，所以一般只是作為一個(gè)對(duì)比參考。 </p> <p> 5.保持時(shí)間 </p> <p> 保持時(shí)間指的是突然斷電后，各路電壓正常輸出的時(shí)間，這個(gè)時(shí)間主要是由主電容容量決定的。其主要目的是為了給一些硬件作出應(yīng)急處理的時(shí)間，比如機(jī)械硬盤磁頭歸位，固態(tài)的掉電保護(hù)等等。一般來(lái)說(shuō)主電容容量比較好大于每瓦0.5微法。 </p><p> 一個(gè)好的電源能不僅能給設(shè)備穩(wěn)定供電，而且還能保護(hù)設(shè)備避免其他因素?fù)p壞設(shè)備，還能延長(zhǎng)設(shè)備使用壽命，電源適配器的好壞也是至關(guān)重要 </p> <p> 攝像頭通電了，電源指示燈也亮了(指示燈亮不表示就能正常工作)，通電2分鐘了無(wú)法觀看監(jiān)控，復(fù)位也沒(méi)反應(yīng)，可以將攝像頭斷電，拔出內(nèi)存卡，然后通電，如果問(wèn)題依舊，可以找個(gè)電源盒子替換一下以方便鑒別問(wèn)題。例如，寬帶貓，或電視機(jī)頂盒，或路由器的電源都是和監(jiān)控相匹配的怎么知道是否能用呢?上述設(shè)備都有標(biāo)簽紙，你看下有沒(méi)有寫12V，如果有寫可以用，相互交叉替換很快就知道問(wèn)題所在了 </p> <p> 給電源適配器通電，電源指示燈常亮，表示攝像頭內(nèi)部有短路，如果電源指示燈滅表示電源燒壞。 </p> <p> 電源適配器壞了怎么辦呢？ </p> <p> 如果是剛買的設(shè)備或在保修期內(nèi)，可以聯(lián)系商家在線客服說(shuō)明情況，看看能不能給你補(bǔ)發(fā)，如果有條件可以就近購(gòu)買，推薦購(gòu)買12V3A的電源。 </p> <p> 電源適配器在消費(fèi)類電子產(chǎn)品中應(yīng)用非常非常廣地，提供的輸出功率大多數(shù)都在100瓦以內(nèi)，市場(chǎng)需求迅速增長(zhǎng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="廣東凈水器電源適配器,電源" src="http://tyunfile.71360.com/UploadFile/szxskj/637142795552910156/908651.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(jiàn)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(lái)，我國(guó)一直對(duì)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(shí)施CCC強(qiáng)制性產(chǎn)品認(rèn)證管理制度，同時(shí)各級(jí)質(zhì)量監(jiān)管部門也在不斷針對(duì)電源適配器產(chǎn)品進(jìn)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(diǎn)，加大了產(chǎn)品質(zhì)量安全風(fēng)險(xiǎn)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(chǎng)，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(yàn)檢測(cè)機(jī)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(jī)產(chǎn)品生產(chǎn)企業(yè)共同關(guān)注的問(wèn)題。 </p> <p> <br /> </p> <p> <br /> 一般說(shuō)電源穩(wěn)定不穩(wěn)定，主要還是看電壓穩(wěn)不穩(wěn)定。廣東凈水器電源適配器</p><p style="text-indent:25px">轉(zhuǎn)換效率和額定功率其實(shí)沒(méi)一毛錢直接關(guān)系。廣東凈水器電源適配器</p><p> 對(duì)外部的抗干擾能力，對(duì)雷擊可采用氧化鋅壓敏電阻與氣體放電管等的組合方法來(lái)解決。對(duì)于靜電放電，采用TVS管及相應(yīng)的接地保護(hù)，加大小信號(hào)電路與機(jī)殼等的距離，或選用具有抗靜電干擾的器件來(lái)解決。減小電源適配器的內(nèi)部干擾，應(yīng)從以下幾個(gè)方面入手：注意數(shù)字電路與模擬電路單點(diǎn)接地，大電流電路與小電流特別是電流、電壓取樣電路的單點(diǎn)接地，以減小共阻干擾、減小地環(huán)的影響;布線時(shí)注意相鄰線間的間距及信號(hào)性質(zhì)，避免產(chǎn)生串?dāng)_;減小地線阻抗;減小高壓大電流線路特別是變壓器原邊與開(kāi)關(guān)管、電源濾波電容電路所包圍的面積;減小輸出整流電路及續(xù)流二極管電路與直流濾波電路所包圍的面積;減小變壓器的漏電感、濾波電容的分布電容;采用諧振頻率高的濾波電容器等。 </p> <p> 在傳播途徑方面，適當(dāng)?shù)脑黾痈呖垢蓴_能力的TUS及高頻電容、鐵氧體磁珠等元器件，以提高小信號(hào)電路的抗干擾能力;與機(jī)殼距離較近的小信號(hào)電路，應(yīng)加適當(dāng)?shù)慕^緣耐壓處理等;功率器件的散熱器、主變壓器的電磁屏蔽層要適當(dāng)接地;各控制單元間的大面積接地用接地板屏蔽;在整流器的機(jī)架上，要考慮各整流器間電磁耦合、整機(jī)地線布置等，以改善電源適配器內(nèi)部工作的穩(wěn)定性。廣東凈水器電源適配器</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(jì)、生產(chǎn)、銷售各類開(kāi)關(guān)電源、電源適配器、充電器、LED室內(nèi)，外驅(qū)動(dòng)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(guó)際機(jī)場(chǎng)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(dòng)進(jìn)口波峰焊、回流焊、電源自動(dòng)測(cè)試系統(tǒng)和各種先進(jìn)的高精密檢測(cè)設(shè)備，具備規(guī)?；纳a(chǎn)能力，月產(chǎn)能達(dá)五十萬(wàn)臺(tái)以上，技術(shù)開(kāi)發(fā)、設(shè)計(jì)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(yàn)、現(xiàn)場(chǎng)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(guò)了全球多種認(rèn)證。產(chǎn)品**國(guó)內(nèi)市場(chǎng)，并遠(yuǎn)銷美國(guó)、加拿大、歐洲、日本、澳洲、阿根廷、韓國(guó)、泰國(guó)、墨西哥、新加坡、俄羅斯等國(guó)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(jiān)持”誠(chéng)信、務(wù)實(shí)、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(chéng)歡迎各界前來(lái)參觀、考察、洽談業(yè)務(wù)。我們將竭誠(chéng)為您服務(wù)！</p></p><br /><p>文章來(lái)源地址: 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