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發布時間:2023.07.26 瀏覽次數: 廣州南洋電纜集團有限公司

南洋小知識 光纜制造過程對光纖采取的維護措施

1.抗張力強度

 

選用牽引辦法通過管道鋪設光纜時必需考慮光纜的抗張力強度。當光纜吊裝,<6.防潮和防化學腐蝕<<玻璃光纖假設長時間暴露在濕氣和化學物質之中。豎直的管道中、懸掛在兩個電線桿之間或鋪設在海底的時分,抗張力加強件必需能夠支撐光纜自身的重量。兩個電線桿之間懸掛的架空光纜還必需接受大雪和勁風的檢測。

 

2.抗揉捏才干

 

有時分光纜或許會遭受來自正面的很大沖擊力,這種沖擊力或許壓碎光纖。有些光纜還必需能抗住大型運送東西的碾壓。

 

3.過度彎曲維護

 

尖銳的彎曲會帶來兩個問題,一是彎曲處會發生輻射損耗,二是光纖有或許遭到危害。好的光纜要有滿意的強度,能夠防止過度的彎曲;一同,還要有必定的柔韌性,以確保易于運送和鋪設。

 

4.危害維護

 

玻璃光纖在遭到危害的情況下功用會急劇劣化。由危害引起的纖細裂紋會沿著玻璃延伸并使損耗顯著增加。

 

5.振動隔絕

 

振動會導致光纖損耗的增加。規劃光纜時,給光纖加上護墊能夠束縛過度的運動。

 

6.防潮和防化學腐蝕

 

玻璃光纖假設長時間暴露在濕氣和化學物質之中,功用會劣化。恰當的光纜結構能夠維護光纖,使之不接觸這些物質。除了應該具有很高的機械強度和化學防護功用以外,好的光纜還應該具有重量輕、標準小、較柔韌、防火、防動物嘶咬以及對溫度不靈敏等功用。

 

按外形結構可分為帽式光纜接頭盒和臥式光纜接頭盒兩種;

 

根據光纜敷設辦法有架空、管道(地道)和直埋等類型;

 

按光纜聯接辦法分為直通接續和不合接續兩種;

 

按密封辦法有熱收縮密封型和機械密封型。

 

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