PROBLEM TO BE SOLVED: To provide a snow-melting traffic light that can efficiently melt snow attached thereon in heavy snowfall and secure high visibility.SOLUTION: The snow-melting traffic light comprises: a box-shaped main body part having an aperture in a front face; a substrate 10 fixed within the main body part; a lens cover 5a having a top face closing the aperture and a rear face in contact with a top face of the substrate 10, and including a plurality of recesses provided in the rear face; a plurality of LEDs 12 embedded and arranged into the recesses on the substrate 10; a plurality of disk type heat generators 11 embedded in the recesses while arrayed alternately with the LEDs 12 with a plurality of flat top faces arranged on the substrate 10; a heat blocking member 7 in contact with a peripheral part of the substrate 10 with a cavity part 7a provided on a center part of the rear face of the substrate 10; a rear cover 8 for covering the circumference of the heat blocking member 7 other than the top face, and arranged with a cavity provided between a rear part of the heat blocking member 7 and a bottom surface of the main body part; and a seal member 22 arranged between the lens cover 5a and the rear cover 8.SELECTED DRAWING: Figure 5
【課題】豪雪時等に付着した雪を効率良く融かすことができ、良好な視認性を確保できる融雪用信号機を提供する。【解決手段】前面に開孔部を有する箱状の本体部と、本体部の内部に固定された基板10と、開孔部を閉じる上面と、基板10の上面に接する裏面を有し、その裏面に複数の凹部を設けたレンズカバー5aと、基板10上に凹部に埋め込まれて配置された複数のLED12と、凹部にLED12と交互に配列されて埋め込まれ、基板10上に配置された複数の上面が平坦なディスク型の発熱体11と、基板10の裏面の中央部に空洞部7aを設けて基板10の周辺部に接した断熱部材7と、断熱部材7の上面側を除く周囲を覆い、断熱部材7の裏面側と本体部の底面との間に空隙を設けて配置された背面カバー8と、レンズカバー5aと背面カバー8との間に配置されたシール部材22とを備える。【選択図】図5
LED PANEL AND SNOW-MELTING TRAFFIC LIGHT
LEDパネル及び融雪用信号機
2017-08-31
Patent
Electronic Resource
Japanese
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS |
New toll plaza snow melting system keeps skyway traffic moving
Engineering Index Backfile | 1958
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