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| Design of All-weather High Uniformity Light Environment Lighting System |
| ZHENG Guoqing1,ZHONG Hugen2,WANG Yuqing2,ZHAN Chunlian1 |
1. Optical and Electronic Technology College, China Jiliang University, Hangzhou,Zhejiang 310018, China;
2. Aviation Industry Changhe Aircraft Industry Co.Ltd, Jingdezheng, Jiangxi 333001, China |
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Abstract In order to solve the simulation problem of all-weather high uniformity light environment outside the cockpit required for ergonomics experiment, a mathematical model of large-area LED environmental lighting system is established. An all-weather lighting system with large area, high uniformity and fast adjustment is designed by means of test calculation and simulation design. When the light source distribution is determined, the uniformity of the lighting system mainly depends on the stability and consistency of the power supply, the higher the stability and consistency of the power supply of the system, the higher the uniformity of the illuminance, the illuminance of the system depends on the size of the electrical power of the system, the greater the electrical power of the system, the stronger the illuminance.When the power supply of the light source is determined, the uniformity and dynamic range of illumination depend on the number and distribution of the light source. The smaller the luminous Angle of the light source and the spacing of the light source, the smaller the dynamic range of illumination and the higher the uniformity of illumination.A large area light environment simulation system of 10m×10m is built. The illuminance of the system can be adjusted from 1.5×105lx at noon to 0.01lx at night. The all-weather color temperature range of 3000 to 6500K can be adjusted, and the uniformity of illuminance is over 95%.The experimental verification results meet the design requirements for a large-area, high-intensity, high-uniformity light environment simulation system required outside the aircraft cockpit.
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Received: 11 September 2023
Published: 06 June 2024
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2024, Vol. 45 
