RF Electrodeless Plasma High-Mast Lighting with Segmented Optical Control
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Solution Overview
Problem
Large area lighting systems, such as high-mast systems, face challenges with energy inefficiencies and light pollution due to light spillage, particularly in densely populated areas, and existing solutions struggle to effectively manage wind loads and illumination control.
Innovation Solution
The development of a lighting unit featuring radio frequency (RF) coupled electrodeless plasma light sources surrounded by optical elements, with a high-mast support assembly and communication units capable of wireless communication, allowing for independent dimming and adjustable lighting characteristics based on external controller instructions to optimize illumination and reduce light pollution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If traditional high-mast lighting systems are used to illuminate large areas, then illumination coverage is achieved, but light spillage occurs causing light pollution and sky glow
Solution Approach 1:
The lighting system is divided into multiple independently controllable lighting units, each with its own optical elements. This segmentation allows precise control of light distribution in different zones, directing illumination where needed while preventing spillage into areas where it is not required, thereby reducing light pollution while maintaining coverage.
Solution Approach 2:
Each lighting unit is equipped with specific optical elements (reflectors, lenses, shields) tailored to its location and function. These optical elements create localized light distribution patterns that optimize illumination for specific areas while minimizing unwanted light spillage, achieving both coverage and pollution reduction.
2Object-generated harmful factors
If shields or baffles are added to reduce light spillage, then light pollution is reduced, but wind load resistance becomes problematic
Solution Approach 1:
The optical elements are designed with dynamic characteristics that allow them to flex and move with wind loads rather than resisting them rigidly. This dynamic design maintains light control functionality while preventing structural failure under wind pressure, resolving the contradiction between pollution reduction and wind resistance.
Solution Approach 2:
The shields and baffles are constructed as thin, flexible optical elements that can deform under wind load without breaking. These flexible structures maintain their light-controlling function while accommodating atmospheric forces, achieving both pollution reduction and wind load management.
3Area of stationary object
If multiple light sources are used to cover large areas, then illumination coverage improves, but energy efficiency decreases
Solution Approach 1:
The lighting system implements dynamic control where each lighting unit can be independently adjusted in intensity and timing. This allows the system to provide full illumination coverage when needed while reducing or shutting off lights in areas or times when full illumination is not required, significantly improving energy efficiency while maintaining coverage capability.
Solution Approach 2:
The lighting system operates with periodic variation in intensity and duration, adjusting illumination levels based on time of day, occupancy, or environmental conditions. This periodic action reduces overall energy consumption while maintaining adequate coverage, resolving the contradiction between area coverage and energy efficiency.
4Ease of manufacture
If traditional lighting fixtures are used, then simple installation is achieved, but illumination control and energy efficiency are poor
Solution Approach 1:
The system is segmented into modular lighting units that can be installed using standard procedures, maintaining ease of installation. Each module contains integrated optical elements and control capabilities, allowing flexible illumination control without requiring complex custom installation, thus achieving both simplicity and adaptability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances energy efficiency and illumination control by directing light more effectively, reducing light spillage and pollution, while maintaining robustness against wind loads and providing flexible illumination adjustments.
Implementation Method 1
the optical element may be a reflector containing one or more facets, directing the light toward the surface
Data Source
AI summary
Systems and methods of providing illumination may be provided in accordance with the invention. A lighting unit may be provided comprising a plurality of light sources, each light source of the plurality being at least partially surrounded by an optical element, and a support assembly configured to support the light source above a surface. The light sources may be radio frequency (RF) coupled electrodeless plasma sources, and the support assembly may be a high-mast support assembly. In some embodiments, the optical element directs light toward the surface. In some configurations, each light source of the plurality may have one or more independently controllable and/or adjustable lighting characteristics. A lighting unit may communicate with a controller, which may provide instructions for controlling the light sources. A lighting system may be provided with a host controlling a plurality of lighting units, which may be organized into networks, and/or zones. The networks, zones, lighting units, and/or light sources may be independently controllable and/or adjustable. In some embodiments, management software may provide functionality for monitoring, reporting, controlling and/or interacting with the lighting system.