Optimized Uniform Illumination Design of Ultraviolet LED Array Module Used in Light Purification

Illumination analysis and optimization for a fast detection device of lube oil wear debris

“…Therefore, the author chooses the LED array as the reflected light source of the detection device. In a narrow space, multiple LED lamp beads are often arranged in an array to obtain sufficient illumination brightness and illumination uniformity [8][9]. In view of the structural requirements of fast detection device of lube oil wear debris, an LED array consists of eight 0805 SMD LED lamp beads, which evenly arranged in a loop, was selected as the reflective light source of the device, as shown in Figure 2(a), while the illuminance distribution of the LED array, which is on a parallel plane to the array, is shown in Figure 2 Based on the device structure, the effective radii l of the 8-LED array reflective light source is taken as 13mm, 14mm, and 16mm [10], respectively, and the illuminance distribution curve of the light-receiving surface is shown in Figure 3.…”