Design and Optimization of High-Efficiency and Energy-Saving LED Luminaires

Abstract

With the increasing global emphasis on energy conservation and emission reduction, LED luminaires have become a hot topic in the field of lighting due to their high efficiency and energy-saving characteristics. This paper aims to explore the design and optimization of high-efficiency and energy-saving LED luminaires to improve their luminous efficacy, heat dissipation performance, and energy efficiency. First, the optical characteristics of LED luminaires, including the principles of light emission, light intensity distribution, and beam angle, are analyzed, and the basic principles and common methods of optical design are introduced. Then, through the use of optical simulation software, the light distribution is optimized, and optimization strategies for light distribution in different application scenarios are proposed. In terms of thermal management, the selection and layout of heat sinks are studied, and the advantages and disadvantages of heat sinks made of different materials are analyzed. The thermal performance is verified through experiments and numerical simulations. In addition, the design of high-efficiency driver circuits, including constant current driving and dimming functions, is explored to enhance the energy efficiency of the luminaires. Finally, through case studies of practical applications, the importance of integrated design of optics, thermodynamics, and circuits is demonstrated, and suggestions for further optimization of luminaire design are put forward. The research results show that by comprehensively optimizing the optical design, thermal management, and driver circuits, the performance of LED luminaires can be significantly improved, contributing to energy conservation and emission reduction.