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    • 8. 发明授权
    • Lighting device, and lighting system
    • 照明设备和照明系统
    • US09255701B2
    • 2016-02-09
    • US14241670
    • 2012-08-29
    • Kobbe Olaf Pas
    • Kobbe Olaf Pas
    • F21V29/00F21V23/00F21V33/00A61L9/03F21V29/83F21Y101/02F21Y111/00
    • F21V29/004A61L9/03A61L2209/12F21V23/009F21V29/83F21V33/00F21Y2107/40F21Y2115/10
    • A lighting device (100) has a support structure having lighting elements (422) arranged thereon. The support structure has an internal cooling duct having a duct wall. At least a part of duct wall is in thermal contact with the lighting elements. The cooling duct is configured to allow a natural air flow absorbing heat generated by the lighting elements from the duct wall. The cooling duct extends through the support structure from a first opening having a first cross-sectional area to a second opening having a second cross-sectional area. The cooling duct contains a filler body (412) having a substantially bi-conical shape. The filler body and the duct wall form a cooling duct portion with a third cross-sectional area greater than the first cross-sectional area and/or the second cross-sectional area. The lighting device is part of a lighting system. The system comprises a control unit (700) coupled to the lighting device.
    • 照明装置(100)具有其上布置有照明元件(422)的支撑结构。 支撑结构具有内部具有管道壁的冷却管道。 管道壁的至少一部分与照明元件热接触。 冷却管道构造成允许自然的空气流从管道壁吸收由照明元件产生的热量。 冷却管道从具有第一横截面积的第一开口延伸穿过支撑结构到具有第二横截面积的第二开口。 冷却管道包含具有大致双锥形形状的填充体(412)。 填料体和管壁形成具有大于第一横截面积和/或第二横截面面积的第三横截面积的冷却管道部分。 照明装置是照明系统的一部分。 该系统包括耦合到照明装置的控制单元(700)。