Rotatable LED Lighting Assembly for Sign Retrofit
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Solution Overview
Problem
Existing fluorescent lighting systems pose health risks due to mercury vapor and UV radiation, require specific power source locations, and are difficult to retrofit with shorter lamps without modifying existing wiring and housing, leading to increased costs and handling challenges.
Innovation Solution
A power source agnostic LED lighting system with a support structure, rotatable cap, and extension cords that allows for flexible installation and configuration, enabling the use of shorter lamps without rewiring, and can be connected in parallel to existing power supplies, reducing hot spots and dark areas through adjustable light projection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If fluorescent lighting systems are replaced with traditional LED lighting, then energy efficiency is improved, but the system requires specific power source locations and rewiring modifications
Solution Approach 1:
The lighting system is divided into modular segments (lighting assemblies) that can be independently connected through extension cords, eliminating the need for complex rewiring while maintaining energy efficiency benefits
Solution Approach 2:
Extension cords serve as intermediaries between the power source and lighting assemblies, providing flexible power distribution without requiring modifications to existing wiring infrastructure
2Length of moving object
If shorter LED lamps are used to replace fluorescent tubes, then handling ease is improved, but light distribution uniformity deteriorates due to hot spots and dark areas
Solution Approach 1:
The lighting system uses multiple shorter lighting assemblies distributed along the extension cord, with each assembly contributing to overall light distribution, thereby maintaining uniform illumination while using manageable-length lamps
Solution Approach 2:
Multiple lighting assemblies are combined along the extension cord to create a distributed light source that eliminates hot spots and dark areas, achieving uniform illumination equivalent to or better than single long fluorescent tubes
3Object-affected harmful factors
If fluorescent lighting systems are retrofitted with LED lighting, then health safety is improved by eliminating mercury and UV radiation, but installation complexity increases due to power source requirements
Solution Approach 1:
Extension cords act as intermediaries that simplify installation by providing flexible power connection without requiring electricians to modify existing wiring or locate specific power sources within the housing
Solution Approach 2:
The lighting system is designed for self-installation without requiring professional electrical work, as the extension cord-based power distribution allows anyone to connect the lighting assemblies to existing power outlets
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
The solution provides a safer, more efficient, and cost-effective replacement for traditional fluorescent lighting by eliminating the need for specific power source locations, reducing health risks, and simplifying the installation process while improving light distribution and reducing the length of lamps for easier handling.
Implementation Method 1
a first LED strip disposed on a first side of the support structure and a second LED strip disposed on an opposite side of the support structure
Data Source
AI summary
This invention is a replacement lighting system for signs that can include a first lighting assembly having LED strips disposed on opposite sides. The lighting assembly can be rotatably attached to the lamp holders. A hub can be removably connected to an external power supply, a first lighting assembly and a second lighting assembly. The lighting system can be used to replace existing lighting such as fluorescent tubes and accompanying ballasts without the need to understand remove or rewire the sign electrical components other than attaching the lighting system to the power source. The lighting assemblies can be rotated in the lamp holders to reduce or remove hot spots or dark areas. Multiple lighting assemblies can be connected end to end and be in electrical communication with the power source without necessarily needing to wire each lighting assembly to the power source.