To prevent a plurality of traffic signals from being damaged due to the lightning strike by forming a light strike protection region in a wide range surrounding the plurality of traffic signals.SOLUTION: A traffic signal system is configured by installing light strike protection type lightning protection means 4 that protects the light strike to the circumference of a junction S or the like by distributing a minus electric charge at an upstream of a plurality of traffic signals 3 to the junction S or the like in which the plurality of traffic signals 3 are provided.SELECTED DRAWING: Figure 1
【課題】複数の信号機を取り囲む広範囲の落雷保護領域を形成して、これらの信号機の落雷による損傷を防止する。【解決手段】複数の信号機3が設置された交差点S等に、前記複数の信号機3の上方にマイナス電荷を分布させて、前記交差点S等の周りへの落雷を抑制する落雷抑制型避雷手段4を設置してなることを特徴とする。【選択図】図1
TRAFFIC SIGNAL SYSTEM FOR TRAFFIC CONTROL
交通整理用信号機システム
2019-04-11
Patent
Electronic Resource
Japanese
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