T-Bar Suspended Ceiling with Integrated Heat Sink for LED Lighting
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Solution Overview
Problem
Existing LED lighting in dropped ceilings generates concentrated heat that can reduce the operational life of electronics and requires additional HVAC load to manage temperature differentials, while conventional lighting solutions disrupt the aesthetic uniformity of ceiling tiles.
Innovation Solution
A T-bar with integrated upper and lower heat sinks and a lighting module that dissipates heat through natural convection, maintaining ceiling uniformity and enhancing HVAC efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If LED lighting is installed in dropped ceilings, then energy consumption is reduced and operational life is extended, but concentrated heat is generated that reduces reliability and increases HVAC load
Solution Approach 1:
The patent extracts the heat dissipation function from the LED lighting assembly by integrating a dedicated heat sink structure into the T-bar support system. This separates the light-emitting function from the heat-management function, allowing the LED to operate in a cooler environment while the heat sink actively manages thermal extraction through its finned structure and positioning in the unconditioned space.
Solution Approach 2:
The heat sink acts as an intermediary thermal management component between the LED light source and the surrounding environment. It provides a thermal conduction path from the LED to the ambient air in the unconditioned space, mediating the heat transfer process and protecting the LED from direct thermal exposure while efficiently dissipating heat away from the conditioned space.
2Use of energy by moving object
If LED lighting is installed in dropped ceilings, then energy consumption is reduced, but heat management complexity increases requiring additional HVAC load
Solution Approach 1:
The patent merges the heat dissipation function with the existing T-bar support structure by integrating the heat sink directly into the T-bar assembly. This combination eliminates the need for separate heat management devices and leverages the structural framework already present in the dropped ceiling system, thereby reducing overall system complexity despite the added thermal management capability.
Solution Approach 2:
The heat sink structure provides passive thermal management by utilizing natural convection currents in the unconditioned space above the dropped ceiling. The finned design self-regulates heat dissipation without requiring active cooling components, motors, or control systems, thereby minimizing heat management complexity while effectively reducing HVAC load.
3Illumination intensity
If conventional lighting is installed in dropped ceilings, then lighting function is provided, but aesthetic uniformity of ceiling tiles is disrupted
Solution Approach 1:
The T-bar assembly serves multiple functions: structural support for ceiling tiles, mounting for LED lighting, and heat dissipation through the integrated heat sink. This multi-functional design consolidates lighting and thermal management into the existing structural framework, eliminating the need for separate lighting fixtures that would disrupt the aesthetic uniformity of the ceiling tile grid.
Solution Approach 2:
The patent positions the LED light source and heat sink assembly within the T-bar structure in a manner that mirrors the modular, repetitive pattern of the ceiling tile grid. This copying of the aesthetic module ensures that the lighting integration is visually consistent with the overall ceiling design, maintaining uniformity while providing illumination.
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 T-bar effectively transfers heat away from LED lighting, prolonging its operational life and reducing HVAC load, while providing a uniform ceiling appearance.
Implementation Method 1
the T-bar configured to include a heat sink for dissipating heat generated by the light source
Data Source
AI summary
The T-bar includes an elongate rigid spine extending between terminal ends including, in some embodiments, either a fixed anchor or adjustable anchor for attachment to adjacent T-bars or other supports. An upper heat sink is provided on an upper portion of the spine to enhance heat transfer from the T-bar to air surrounding upper portions of the T-bar. A light housing is provided on a lower portion of the T-bar which is configured to support a lighting module therein, such as a light emitting diode (LED) light. A lower heat sink is provided above this light housing and integrated into a rest shelf which supports ceiling tiles adjacent the T-bar. A power supply is provided which can be removably attached to the T-bar and provide appropriately conditioned power for the lighting module.