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                                                                                                                                              產品知識

                                                                                                                                              組成電磁屏蔽室的內容有哪些

                                                                                                                                              作者:admin    發布時間:2021-01-14 16:04:23    瀏覽量:

                                                                                                                                              電磁屏蔽門:電磁屏蔽門是屏蔽室獨一活動部件,也是屏蔽室綜合屏蔽效能的關鍵,技術含量較高,資料特殊,工藝極端復雜,共26道工序。電磁屏蔽門有鉸鏈式插刀門、平移門兩大類,各有手動、電動、全自動等方式。如思索運用的穩定性及性價比,則首選手動插刀式鉸鏈門(規范門1900㎜×850㎜)。


                                                                                                                                              1589207821.jpg


                                                                                                                                                蜂窩型通風云導窗:通風換氣、調理空氣是屏蔽室必備設備。蜂窩型波導窗由對邊距5㎜的六邊形鋼質波導管匯合組成,波導管無妨礙空氣流通,卻對電磁輻射有截止作用。主要采用300mm×300mm×50mm規格的全焊接式蜂窩式波導窗,插入損耗150KHz~1GHz≥100dB,完整滿足《標準》請求。屏蔽室按面積大小配置相應數量的波導窗,分別用于進風、排風、瀉壓。


                                                                                                                                                強弱電濾波器:進入屏蔽室的電源線、通訊信號線等導體都會夾帶傳導電磁干擾,必需有相應的濾波器加以濾除。濾波器是由無源元件(電感、電容)構成的無源雙向網絡,其主要性能參數是截止頻率(低通、高通、帶通、帶阻)、插入損耗(阻帶衰減量),濾波性能取決于濾波級數(濾波器濾波元件數)、濾波器構造類型(單電容型C型、單電感型L型、π型)等。


                                                                                                                                                波導管:進入防護室的各種非導體管線如消防噴淋管、光纖等,均應經過波導管,波導管對電磁輻射的截止原理與波導窗相同。室內電氣、室內裝修:包括穿管走線、配電箱、照明、插座及吊頂、墻面裝修、空中防靜電地板等。為確保屏蔽室穩定運轉,電氣、裝修資料必需選用契合國度規范的防火、防潮、環保產品。



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