赢得LED路灯照明的挑战
不同的照明情况需要不同的解决方案。这篇文章解释了驱动智能街道照明设计的众多参数和规定。
不可否认,LED在所有路灯照明应用中都变得足够明亮,同时拥有最好的可用效率和寿命。然而,这种说法只有在灯具设计良好的情况下才是正确的。目前,电子和热设计有多种成熟的解决方案,但对许多工程师来说光学仍然是一个巨大的挑战。传统的路灯光学解决方案很少与LED工作良好。许多新来者,甚至是一些街头照明行业的大人物,正在努力寻找符合相关法规的最佳解决方案。世界各地的街道照明规定有着相同的目标,而且只有在其需求的具体指标上有所不同。
Because operation cost constitutes the largest share of the total cost of street lighting, the efficiency needs to be high. Optically speaking, this not only means the total optical efficiency of the lamp, but more importantly how efficiently the light is directed to the street and to other evaluated areas. For example, a luminaire with a simple reflective shade and a bare array of LEDs has great total efficiency, but because of poor light control, it might be difficult to fulfill the requirements of the existing street light configurations. So, instead of only focusing on how many lumens you can get out of the lamp, one should focus on how many useful lumens will reach the street surface. When using proper optics, you can achieve both: the best possible efficiency and light control.
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