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</span>尚學(xué)路225、229號(hào)3幢5039室</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="ewyra0v" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="rf0ax1m" class="box"><p><p style="text-indent:25px">A型應(yīng)急照明集中電源可控硅調(diào)光早期就應(yīng)用于白熾燈和節(jié)能燈調(diào)光方式，也是目前市場上應(yīng)用于LED調(diào)光較為廣范的一種調(diào)光方式。它的工作原理是利用將輸入電壓的波形通過導(dǎo)通角切波之后，產(chǎn)生一個(gè)切向的輸出電壓波形。應(yīng)用切向的原理，專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)，可減少可控硅調(diào)光器輸出電壓的有效值，以此來降低普通負(fù)載(電阻負(fù)載)的功率。可控硅調(diào)光器具有調(diào)節(jié)精度高、效率高、體積小、重量輕，專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)、容易遠(yuǎn)距離操縱等優(yōu)點(diǎn)，在市場上占主導(dǎo)地，多數(shù)廠家的產(chǎn)品都是這種類型調(diào)光器。在LED 照明燈上使用可控硅調(diào)光器的優(yōu)點(diǎn)是：調(diào)光成本低，與現(xiàn)有線路兼容，無需重新布線，適合舊改工程，專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)。A型應(yīng)急照明集中電源燈采用寬電壓設(shè)計(jì)，使用更加方便。專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì),A型應(yīng)急照明集中電源" src="https://tyunfile.71360.com/UploadFile/shkfldq/637390644630174345/1320967.png"></div><p style="text-indent:25px">A型應(yīng)急照明集中電源中的疏散照明是在正常電源發(fā)生故障時(shí)，為使人員能容易而準(zhǔn)確無誤地找到建筑物出口而設(shè)的應(yīng)急照明部分。通常在下列場所應(yīng)設(shè)疏散照明：(1)人員眾多、密集的公共建筑。如大禮堂、大會(huì)議室、劇院、電影院、文化宮、體育場館、大型展覽館、博物館、美術(shù)館、大中型商場、大型候車廳、候機(jī)樓及大型醫(yī)院等。(2)大中型旅館、大型餐廳等建筑。(3)高層公共建筑、超高層建筑。(4)人員眾多的地下建筑。如地鐵車站、地下旅館、地下商場、地下娛樂的場所等及大面積無天然采光的建筑。(5)特別重要的、人員眾多的大型工業(yè)廠房。專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)簡便。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì),A型應(yīng)急照明集中電源" src="https://tyunfile.71360.com/UploadFile/shkfldq/637390644651072856/5523129.png"></div><p style="text-indent:25px">A型應(yīng)急照明集中電源燈常識(shí)：（1）A型應(yīng)急照明集中電源燈。其位置設(shè)在太平門頂部和疏散走道及其轉(zhuǎn)角處距地面高度1m以下的墻面，采用單應(yīng)急方式，火災(zāi)時(shí)由消防控制室發(fā)出信號(hào)接通。(2)A型應(yīng)急照明集中電源回路。該回路的照明平時(shí)起正常公共照明的作用，可通過照明開關(guān)控制。火災(zāi)時(shí)能轉(zhuǎn)入應(yīng)急狀態(tài)，直接接通應(yīng)急疏散照明燈具，此時(shí)開關(guān)處于失控狀態(tài)，A型應(yīng)急照明集中電源不受開關(guān)控制。(3)根據(jù)實(shí)際工程需要，應(yīng)急電源配電箱還可以提供消防控制所需要的直流電源。</p><p style="text-indent:25px">A型應(yīng)急照明集中電源的組合電源，即由任意兩種或兩種以上電源組合的供電方式。由于幾種電源的結(jié)構(gòu)、可靠程度都不同，對系統(tǒng)的要求和應(yīng)用范圍也不同。所以在實(shí)際當(dāng)中只選擇某一種應(yīng)急照明電源有時(shí)是很難滿足要求的，也很難做到安全可靠、經(jīng)濟(jì)合理。這時(shí)就有必要選擇兩種或兩種以上的應(yīng)急照明電源。發(fā)電機(jī)組供電方式的優(yōu)點(diǎn)是供電容量和供電時(shí)間基本不受限制，不足之處是轉(zhuǎn)換時(shí)間較長，不能用于安全照明及某些對轉(zhuǎn)換時(shí)間要求較高場所的備用照明。需要用于這種場所時(shí)，應(yīng)采用由蓄電池組供電的應(yīng)急照明燈具做為過渡照明。高層建筑及一些特別重要的大型建筑，宜采用這種由發(fā)電機(jī)組與蓄電池組合作為應(yīng)急照明電源的供電方式。A型應(yīng)急照明集中電源燈可按工作狀態(tài)和功能進(jìn)行分類。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì),A型應(yīng)急照明集中電源" src="https://tyunfile.71360.com/UploadFile/shkfldq/637390644708084333/1647530.png"></div><p style="text-indent:25px">A型應(yīng)急照明集中電源燈具的可編程性已經(jīng)成為眾多LED燈具的基礎(chǔ)功能，而在A型應(yīng)急照明集中電源組件中的可編程性也越來越高。這使制造商在燈具設(shè)計(jì)上具有顯著的靈活性，將更高效的模塊集成到燈具中的能力，甚至具有A型應(yīng)急功能的能力，也帶來了一系列好處。更重要的是，有各種各樣的**產(chǎn)品，它們的設(shè)計(jì)具有可編程性，可以覆蓋潛在A型應(yīng)急照明集中電源方案的所有方面。實(shí)際上，具有協(xié)議的可編程A型應(yīng)急功能以及現(xiàn)在不斷擴(kuò)展的A型應(yīng)急照明集中電源設(shè)備的無線連接平臺(tái)，具有提供從任何位置，隨時(shí)隨地進(jìn)行遠(yuǎn)程測試系統(tǒng)，到實(shí)時(shí)遠(yuǎn)程監(jiān)視和維護(hù)、警報(bào)的能力。同時(shí)，還可以與其他主要照明、A型應(yīng)急應(yīng)急和BMS(樓宇管理系統(tǒng))的完全集成，提供更多A型應(yīng)急樓宇管理功能。A型應(yīng)急照明集中電源燈是在正常照明電源發(fā)生故障時(shí)，能有效地照明和顯示疏散通道的一類燈具。專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)</p><p style="text-indent:25px">A型應(yīng)急照明集中電源適用于：影劇院、商場、賓館、公寓、人防工程、地下設(shè)施及其它要求不間斷照明的場所。專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)</p><p style="text-indent:25px">若A型應(yīng)急照明集中電源電路中正確地安置了熔斷器，熔斷器就會(huì)在電流異常升高到一定條件下，熔斷切斷電流，從而起到保護(hù)電路安全運(yùn)行的作用。熔斷器的電流值標(biāo)示清晰可以避免使用者換錯(cuò)熔斷器，造成不必要的損害。耐壓試驗(yàn)合格。耐壓試驗(yàn)是A型應(yīng)急應(yīng)急燈具的一個(gè)重要的安全指標(biāo)，這一項(xiàng)如果不合格，有可能會(huì)造成觸電危險(xiǎn)，危及人身安全。不合格的原因是由于爬電距離不夠和部分產(chǎn)品設(shè)計(jì)不合理而導(dǎo)致耐壓試驗(yàn)時(shí)擊穿。一旦一次電路和二次電路間被擊穿，則意味著一次電路的電壓將通過擊穿點(diǎn)而到達(dá)二次電路，從而可能發(fā)生觸電或電池起火等現(xiàn)象。專業(yè)A型應(yīng)急照明集中電源系統(tǒng)設(shè)計(jì)</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2989984.html</p></div></div></div></div></div><div id="fmkdbc3" class="page-right twoColRt"><div id="ovpxg80" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="0jhpu38" class="recomPic likePro"><a href="http://www.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(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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