Rotatable Pin LED Lamp for Fluorescent Fixture Retrofit
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Solution Overview
Problem
The conversion from traditional fluorescent lighting systems to LED-based systems is time-consuming and expensive, requiring the replacement of entire fixtures, and existing solutions lack simplicity and ease of use.
Innovation Solution
An LED lamp design that fits into existing fluorescent fixtures, using tombstone connectors for power and featuring a thermally conductive base, optically transmissive lens, and rotatable pins for easy installation, allowing for quick conversion without specialized tools or training.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fluorescent lighting systems are replaced with LED systems, then energy efficiency and durability are improved, but installation complexity and cost increase
Solution Approach 1:
The LED lamp is designed as a separate, self-contained unit that can be independently installed in existing fluorescent fixtures. The lamp includes integrated LED modules, heat sinks, and electrical connectors that function as a complete replacement unit, allowing the complex LED system to be segmented into a simple installable component.
Solution Approach 2:
The patent introduces an intermediary adapter or mounting mechanism that bridges the existing fluorescent fixture and the new LED lamp. This intermediary component enables the LED lamp to interface with the old fixture infrastructure, simplifying the installation process by acting as a mediator between the legacy system and the new technology.
2Illumination intensity
If entire fluorescent fixtures are replaced with LED fixtures, then lighting performance is improved, but installation time and cost increase
Solution Approach 1:
The LED lamp is pre-assembled with all necessary components including LED modules, heat sinks, electrical connections, and mounting features before delivery to the installation site. This preliminary assembly eliminates the need for on-site construction of complex LED systems, significantly reducing installation time while maintaining high lighting performance.
Solution Approach 2:
The LED lamp is designed to nest within the existing fluorescent fixture housing. The compact LED module assembly fits inside the original fixture structure, allowing the new LED system to be contained within the old fixture boundaries, thereby minimizing installation disruption and time.
3Ease of operation
If simple LED replacement lamps are used, then installation ease is improved, but adaptability to existing fixtures deteriorates
Solution Approach 1:
The LED lamp is designed with universal mounting features and electrical connectors that can adapt to multiple types of existing fluorescent fixtures. The lamp incorporates adjustable mounting mechanisms and compatible electrical interfaces that work with various fixture configurations, enabling a single LED lamp design to serve multiple application scenarios.
Solution Approach 2:
The LED lamp includes dynamic or adjustable mounting components that can be positioned and secured in different orientations and locations within the fixture. This dynamic adaptability allows the lamp to accommodate variations in existing fixture designs while maintaining ease of installation through simple adjustment rather than complex customization.
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
Enables a seamless transition from fluorescent to LED lighting by using existing infrastructure, reducing installation complexity and costs, while maintaining similar light distribution patterns to traditional systems.
Implementation Method 1
The base may be made of a thermally conductive material and may be in thermal communication with the at least one LED. The base may dissipate heat from the at least one LED to the exterior of the lamp.
Implementation Method 2
The lens may diffuse light emitted by the at least one LED.
Data Source
AI summary
A lamp comprises an enclosure that is at least partially optically transmissive. The enclosure comprises an optically transmissive lens and a base where the lens is connected to the base; and a LED board supporting an LED. A first of pins and a second pair of pins are rotatable relative to the enclosure and are in the electrical path supplying power to the LEDs. The lamp is positioned between a pair of tombstone connectors such that the first pair of pins engages the first tombstone connector and the second pair of pins engages the second tombstone connector. The first and second pair of pins are inserted into the tombstone connectors and are rotated to engage the electrical connectors in the tombstone connectors.