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    • 9. 发明申请
    • LED aircraft anticollision beacon
    • LED飞机防撞灯
    • US20050110649A1
    • 2005-05-26
    • US10718772
    • 2003-11-21
    • Thomas FredericksTodd Smith
    • Thomas FredericksTodd Smith
    • B64D47/06F21S8/00F21V29/00G08B5/22
    • F21V29/004B64D47/06B64D2203/00F21S10/06F21V7/0083F21V17/12F21V29/74F21W2111/06F21Y2107/30F21Y2115/10Y10S362/80
    • An exemplary aircraft anticollision beacon is constructed around a faceted aluminum support cylinder and base. The support cylinder has an outside surface with ten vertically oriented substantially planar faces. An array of LEDs is mounted in thermally conductive relationship on each face of the support cylinder. Each LED is partially surrounded by a trough-shaped reflecting surface that re-directs off axis light into a horizontal plane. Axially aligned, radially adjacent reflecting troughs combine to form the circumferential reflecting troughs. The support cylinder and base are connected in thermally conductive relationship to define a thermal pathway from the LEDs to a heat radiation surface on the base. The base is also configured to act as a heat sink for heat generating components of the LED driver circuits. The exemplary beacon employs a distributed energizing circuit in which each driver is configured to energize two of the ten arrays of LEDs.
    • 一个示例性的飞机防撞信标是围绕一个小平面的铝支撑筒和底座构成的。 支撑圆筒具有外表面,其具有十个垂直取向的大致平坦的面。 LED阵列以导热关系安装在支撑圆筒的每个面上。 每个LED部分被一个槽形反射表面包围,该反射表面将轴线光线重新导向水平面。 轴向对准的径向相邻的反射槽结合形成圆周反射槽。 支撑筒和底座以导热关系连接以限定从LED到基座上的散热表面的热路径。 基座还被配置为充当用于LED驱动器电路的发热部件的散热器。 示例性信标采用分布式激励电路,其中每个驱动器被配置为激励十个LED阵列中的两个。