PROBLEM TO BE SOLVED: To solve the problem in which: a traffic light using LED devices as light sources for indicating lamps has visibility of lighting color impaired by snow accretion.SOLUTION: According to one embodiment, a traffic light is provided comprising: a plurality of LED devices provided on a body of signal lamps; transparent panels provided on the front of these LED devices and transmit emission light from the LED devices therebehind through front faces to which snow adheres; frame parts provided on the outer periphery of the panels; and vibration generators provided on the frame parts to add vibration to the panels.SELECTED DRAWING: Figure 1
【課題】LED素子を表示灯器光源に用いた信号機は、着雪によって点灯色の視認性が損なわれる。【解決手段】一実施形態によれば、信号灯器本体に設けられた複数のLED素子と、これらのLED素子の前方に設けられ、雪が付着する前面に対して後方の前記LED素子からの出射光を透過させる透明なパネルと、このパネルの外周に設けられた枠部と、この枠部に設けられ前記パネルを加振する振動発生機と、を備えた信号機が提供される。【選択図】図1
SNOW ACCRETION PREVENTION APPARATUS AND TRAFFIC LIGHT
着雪防止装置および信号機
2017-11-16
Patent
Electronic Resource
Japanese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / E01F ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE , Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl. |
SNOW ACCRETION PREVENTION DEVICE, AND STRUCTURE FOR PREVENTING SNOW ACCRETION ON TRAFFIC LIGHT
European Patent Office | 2017
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