Ceiling Suspended LED Lighting System with Wire Way Bar

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Solution Overview

Problem

Fluorescent lighting technologies in commercial spaces are energy inefficient, costly to maintain, and have negative environmental impacts due to high energy consumption, heat dissipation, and hazardous waste disposal, with existing solutions like lower wattage lamps and reflective surfaces not fully addressing visual comfort and energy inefficiency issues.

Innovation Solution

A modular ceiling-suspended lighting system utilizing LED units connected via a wire way bar that integrates power and communication, allowing for efficient light distribution, heat dissipation, and easy installation, with adaptive configurations for optimal light levels and energy use, incorporating sensors for automatic control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Illumination intensity

If fluorescent lamps are used to illuminate commercial spaces, then light is provided to workspaces and common areas, but energy consumption is high and heat dissipation increases mechanical load

Engineering Contradiction:

Improvelight provisionVSAvoidenergy consumption

Core Design Contradiction:

Illumination intensityVSUse of energy by moving object

Solution Approach 1:

The patent transitions from fluorescent lamp technology to LED technology, fundamentally changing the light generation mechanism. LEDs consume significantly less energy to produce the same illumination levels, directly resolving the contradiction between providing adequate light and reducing energy consumption.

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The invention replaces the thermal radiation mechanism of fluorescent lamps with the electroluminescence mechanism of LEDs. This substitution eliminates the need for ballasts and reduces energy conversion losses, thereby reducing overall energy consumption while maintaining illumination intensity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Illumination intensity

If fluorescent lamps are used, then illumination is provided, but heat dissipation increases building mechanical load and operational costs

Engineering Contradiction:

ImproveilluminationVSAvoidheat dissipation

Core Design Contradiction:

Illumination intensityVSTemperature

Solution Approach 1:

By changing from fluorescent to LED technology, the patent alters the thermal characteristics of the lighting system. LEDs operate at lower temperatures and dissipate far less heat compared to fluorescent lamps, directly addressing the heat dissipation issue while maintaining illumination performance.

Inventive Principle:

Principle #35Parameter changes

3Illumination intensity

If fluorescent technology is used, then light is provided, but maintenance costs are high due to lamp replacement and hazardous waste disposal

Engineering Contradiction:

Improvelight provisionVSAvoidmaintenance costs

Core Design Contradiction:

Illumination intensityVSEase of repair

Solution Approach 1:

The patent incorporates LED modules with significantly extended lifespans compared to fluorescent lamps. By exceeding the typical replacement cycle of fluorescent technology, the LED system reduces the frequency of maintenance interventions and eliminates hazardous waste disposal requirements, thereby lowering maintenance costs.

Inventive Principle:

Principle #16Partial or excessive action

4Object-affected harmful factors

If indirect fluorescent lighting fixtures are used, then visual comfort is improved, but light levels at work surface are reduced due to ceiling reflective properties not being accounted for

Engineering Contradiction:

Improvevisual comfortVSAvoidlight levels at work surface

Core Design Contradiction:

Object-affected harmful factorsVSIllumination intensity

Solution Approach 1:

The patent replaces indirect fluorescent lighting with direct LED lighting fixtures that incorporate optimized optical designs. This substitution allows for precise control of light distribution patterns, ensuring adequate illumination at work surfaces while maintaining visual comfort through appropriate glare control and uniformity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

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 system reduces energy consumption, maintenance costs, and environmental impact by providing efficient light distribution, adaptive lighting based on occupancy and light levels, and simplifying installation and maintenance, while minimizing waste and enhancing visual comfort.

Implementation Method 1

A ceiling suspended lighting system may include a light source, such as a lamp including a light emitting diode

Methodology Applied

Scientific EffectLight Emitting Diode: Light Emitting Diode

Implementation Method 2

The lens may redirect light away from the LED unit in a desired direction

Methodology Applied

Scientific EffectRefraction: Refraction

Implementation Method 3

A ceiling suspended lighting system may include a controllable light source, such as a solid state light including a thermal sink substrate

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentUS9328882B2Methods and apparatus for ceiling mounted systems

Publication Date: 2016.05.03 LIGHTING DEFENSE GROUP LLC

AI summary

Methods and apparatus for ceiling suspended systems according to various aspects of the present invention include a modular platform for supporting and supplying multiple devices. A wire way bar may facilitate connection and support for the devices, such as light sources and other systems.