Ceiling Light Mechanical Arrangement for LED Heat Dissipation

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Solution Overview

Problem

The implementation of high-output LED light fixtures is hindered by heat build-up, which reduces lamp efficiency and lifespan, and there is a need for effective heat dissipation that is architecturally attractive, lightweight, and economically feasible.

Innovation Solution

An integrated ceiling device with a mechanical arrangement that includes a heat dissipating structure and support arms, which effectively conducts heat away from LED light sources and isolates the housing to accommodate electronic components, allowing for scalable and efficient heat management.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If high-output LED light fixtures are implemented, then lighting output is improved, but heat build-up increases which reduces lamp efficiency and lifespan

Engineering Contradiction:

Improvelighting outputVSAvoidheat build-up

Core Design Contradiction:

Illumination intensityVSTemperature

Solution Approach 1:

The housing is divided into separate compartments: a first compartment for light sources with direct heat dissipation access, and a second compartment for electronic components with thermal isolation. This segmentation allows high-power LEDs to operate while preventing heat accumulation that would reduce efficiency and lifespan.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

A heat dissipation structure acts as an intermediary between the light sources and the housing. This structure conducts heat away from the LEDs while the housing provides thermal isolation to protect electronic components, resolving the contradiction between high output and heat management.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Temperature

If effective heat dissipation structure is added, then heat management is improved, but device complexity increases

Engineering Contradiction:

Improveheat dissipationVSAvoidstructural complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The heat dissipation structure is merged with the housing as an integrated component rather than a separate attachment. This combining approach provides effective heat management while minimizing additional structural complexity and maintaining architectural attractiveness.

Inventive Principle:

Principle #5Merging (Combining)

3Temperature

If heat dissipation structure is added, then heat management is improved, but weight of the device increases

Engineering Contradiction:

Improveheat dissipationVSAvoiddevice weight

Core Design Contradiction:

TemperatureVSWeight of stationary object

Solution Approach 1:

The heat dissipation structure utilizes thin-walled construction that provides effective thermal conduction while minimizing weight. The housing walls are designed to be sufficiently thin to reduce mass while maintaining structural integrity and heat management functionality.

Inventive Principle:

Principle #30Flexible shells and thin films

4Reliability

If housing is isolated from heat dissipation structure, then electronic component protection is improved, but manufacturing complexity increases

Engineering Contradiction:

Improvecomponent protectionVSAvoidmanufacturing complexity

Core Design Contradiction:

ReliabilityVSEase of manufacture

Solution Approach 1:

The housing is segmented into distinct compartments with the light sources positioned to allow heat dissipation structure access. This segmentation provides thermal isolation for electronic components while the modular design simplifies manufacturing by allowing separate assembly of heat dissipation elements.

Inventive Principle:

Principle #1Segmentation

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

Maintains low junction temperatures, enhancing LED light source efficiency and lifespan while enabling flexibility in lighting output and device choice, suitable for various environments.

Implementation Method 1

a heat dissipating structure and support arms, which effectively conducts heat away from LED light sources

Methodology Applied

Scientific EffectHeat conduction: Conduction (thermal)

Data Source

PatentUS20250362013A1Integrated ceiling device with mechanical arrangement for a light source

Publication Date: 2025.11.27 LIGHTING DEFENSE GROUP LLC

AI summary

An integrated ceiling device includes integrated ceiling device including an electronic device housing, a heat dissipating structure, a light source, and a reflection/refraction assembly. An air gap is defined between the electronics housing and other components allowing ambient air to flow therethrough for cooling.