研究目的
Investigating the optimization of optical systems for street LED luminaires to meet luminance requirements for road lighting.
研究成果
The proposed methodology for iterative optimization of optical systems for street LED luminaires effectively identifies optimal lens shapes that meet luminance requirements for road lighting, achieving significant increases in luminaire spacing. The best variants for streets of different widths are identified, demonstrating the methodology's applicability and effectiveness.
研究不足
The study is limited to the optimization of optical systems for street LED luminaires intended for roads designed according to luminance requirement, focusing on the M6 lighting class. The methodology's applicability to other lighting classes or road types is not explored.
1：Experimental Design and Method Selection:
The methodology involves iterative changes to the geometric shape of the secondary lens of a 3D computer model of an optical system for street LED luminaires, photometric analysis using the Monte Carlo raytracing method, and optimal road lighting calculations to achieve maximum luminaire spacing meeting standard requirements.
2：Sample Selection and Data Sources:
The study uses 28 variants of three-dimensional models of the optical system with different shapes of the secondary lens.
3：List of Experimental Equipment and Materials:
The optical system includes a LED lamp with primary lens, a printed circuit board (PCB), and secondary lenses constructed with primitives. Materials include PCB with a reflection coefficient of 85% and lens from high-performance polycarbonate with a refractive index n = 1.
4：Experimental Procedures and Operational Workflow:
59.
4. Experimental Procedures and Operational Workflow: The process involves building a family of 3D models by iteratively changing the geometric shape of the secondary lens, performing photometric analysis, and conducting optimal road lighting calculations.
5：Data Analysis Methods:
The photometric analysis calculates photometric characteristics using the Monte Carlo raytracing method, and optimal road lighting calculations are performed to determine the maximum luminaire spacing meeting standard requirements.
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