To provide a contact wire in which optical fibers serving as abrasion detection lines are provided on both the right and left sides, respectively, which can inhibit the occurrence of microbending in the optical fiber even when it is wound around a drum with a small shell diameter, and which suppresses a decrease in reliability of overhead wiring tension.SOLUTION: A contact wire 1 comprises a contact wire body 10 which internally has two abrasion detection line holes 14 provided on both the sides of a center line 30, and two optical fibers 20 which serve as abrasion detection lines and which are housed in the two abrasion detection line holes 14. An effective diameter of the abrasion detection line hole 14 is in the range of 1.5-1.6 mm. A radial cross-sectional area of the optical fiber 20 is 45% or less of an effective cross-sectional area of the abrasion detection line hole 14. The contact wire is longer than 1600 m.SELECTED DRAWING: Figure 1

    【課題】左右両側に摩耗検知線としての光ファイバを備えたトロリ線であって、胴径の小さいドラムに巻き付ける場合であっても、光ファイバにおけるマイクロベンドの発生を抑えることができ、かつ架線張力に対する信頼性の低下が抑えられたトロリ線を提供する。【解決手段】中心線30の両側に設けられた2つの摩耗検知線用孔14を内部に有するトロリ線本体10と、2つの摩耗検知線用孔14に収容された、摩耗検知線としての2本の光ファイバ20と、を備え、摩耗検知線用孔14の有効径が、1.5mm以上、1.6mm以下であり、光ファイバ20の径方向の断面積が、摩耗検知線用孔14の有効断面積の45%以下である、1600mを超える長さを有する、トロリ線1を提供する。【選択図】図1


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    Title :

    CONTACT WIRE


    Additional title:

    トロリ線


    Contributors:

    Publication date :

    2024-07-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B60M Speiseleitungen oder Vorrichtungen am Gleis für elektrisch angetriebene Fahrzeuge , POWER SUPPLY LINES, OR DEVICES ALONG RAILS, FOR ELECTRICALLY-PROPELLED VEHICLES



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