PROBLEM TO BE SOLVED: To provide a power distribution cable which is installed along an orbit for feeding electric power to a traffic apparatus or the like and which can secure conduction even if it is burnt by a wayside fire without requiring time and cost.SOLUTION: There is provided a power distribution cable 100 comprising: a conductor 1; an insulation layer 3 applied to the outside of the conductor 1; and a shield layer 2 applied to the outside of the insulation layer 3. Further, a fire-resistant layer 2 having a thickness of above 2.2 mm is applied to a space between the conductor 1 and the insulation layer 3. Thus, the fire resistant layer 2 is not subjected to insulation breakdown even after it is burnt by a wayside fire, so that a short-circuit between the conductor 1 and the shield layer 4 is not caused.

    【課題】軌道に沿って配設され、信号機等へ電力を供給する配電ケーブルにおいて、手間とコストをかけることなく、沿線火災により焼損した後も通電を確保できるようにする。【解決手段】配電ケーブル100は、導体1と、導体1の外側に施す絶縁層3と、絶縁層3の外側に施す遮蔽層4と、を備えている。そして、導体1と絶縁層3との間に、厚さ2.2mm超の耐火層2が施されている。こうすれば、沿線火災によって焼損した後であっても、耐火層2が絶縁破壊されないので、導体1と遮蔽層4との短絡が生じなくなる。【選択図】図2


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    Titel :

    POWER DISTRIBUTION CABLE AND SIGNAL SYSTEM


    Weitere Titelangaben:

    配電ケーブルおよび信号システム


    Beteiligte:
    YOSHINO HIROKI (Autor:in) / KAIZUKA HIROSHI (Autor:in) / YAMASHITA KAZUO (Autor:in) / YAMAGUCHI AKIRA (Autor:in)

    Erscheinungsdatum :

    2015-08-20


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Japanisch


    Klassifikation :

    IPC:    H01B CABLES , Kabel / B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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