FLOODLIGHT

To provide a floodlight capable of suppressing glare felt by athletes in a stadium, and capable of securing sufficient brightness of the stadium.SOLUTION: A floodlight 1 comprises a plurality of light emitting elements, and is flooded and illuminated by light of each of the light emitting elements....

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: YAMADA TETSUJI, TODO TSUYOSHI, ANDO KAYOKO
Format: Patent
Sprache:eng ; jpn
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Beschreibung
Zusammenfassung:To provide a floodlight capable of suppressing glare felt by athletes in a stadium, and capable of securing sufficient brightness of the stadium.SOLUTION: A floodlight 1 comprises a plurality of light emitting elements, and is flooded and illuminated by light of each of the light emitting elements. In the light emitting element, a lens 42 having a total reflection paraboloid 50 for controlling the light of the light emitting element is provided for each light emitting element, and an angle α formed by a straight line LA that connects a maximum outer diameter part PM of a light emitting unit 44 of the light emitting element and an exit edge part 42T2E of the lens 42 and passes through an optical axis AM of the light emitting element, and the optical axis AM of the light emitting element is set within a range of 10 degrees and 35 degrees.SELECTED DRAWING: Figure 6 【課題】競技場において競技者が感じるグレアを抑制できるとともに、競技場の十分な明るさを確保することが可能な投光器を提供すること。【解決手段】複数の発光素子を備え、前記発光素子のそれぞれの光によって投光照明する投光器1において、前記発光素子の光を制御する全反射放物面50を有するレンズ42を前記発光素子ごとに備え、前記発光素子の発光部44の最大外径部PMと前記レンズ42の出射端縁部42T2Eとを結び、かつ、前記発光素子の光軸AMを通る直線LAと、前記発光素子の光軸AMとが成す角度αが10度から35度の間である構成とした。【選択図】図6