LED Retrofit Fixture Mounting Plate with Apertures

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Solution Overview

Problem

Existing light fixtures often require complex and costly replacement processes, involving electrical and mechanical decoupling and recoupling, which can be daunting for consumers and result in additional expenses, especially when upgrading to more efficient LED technology.

Innovation Solution

A system for retrofitting traditional light fixtures with LED wave guide down light fixtures, featuring a mounting plate with apertures, fastening devices, and a trim assembly that includes a thermally conductive frame and LED driver, allowing for easy mechanical and electrical integration without the need for extensive tools or expertise.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If traditional light fixtures are replaced with LED fixtures, then energy efficiency is improved, but installation complexity and cost increase due to electrical and mechanical decoupling requirements

Engineering Contradiction:
Improveenergy efficiencyVSAvoidinstallation complexity
Core Design Contradiction:
Use of energy by moving objectVSDevice complexity

Solution Approach 1:

The LED downlight fixture is divided into separate functional modules: a mounting plate for electrical connection, a trim assembly for mechanical installation, and an LED light source module. This segmentation allows each component to be optimized independently and simplifies the replacement process by allowing modular installation without complete fixture replacement.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A mounting plate serves as an intermediary component between the existing fixture base and the new LED light source. The mounting plate with apertures provides both mechanical support and electrical connection points, acting as a mediator that simplifies the transition from traditional to LED fixtures without requiring complete decoupling and recoupling of electrical systems.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If professional electricians are hired for fixture replacement, then installation reliability is improved, but installation cost increases

Engineering Contradiction:
Improveinstallation reliabilityVSAvoidinstallation cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

The mounting plate design with pre-positioned apertures and fastening features enables DIY installation by homeowners without requiring professional electricians. The self-contained mounting system allows users to independently complete the fixture replacement, eliminating the need to hire professionals while maintaining installation reliability through the robust mounting design.

Inventive Principle:
Principle #25Self-service

3Illumination intensity

If existing fixtures are completely replaced, then lighting performance is improved, but installation time and additional expenses increase

Engineering Contradiction:
Improvelighting performanceVSAvoidinstallation time
Core Design Contradiction:
Illumination intensityVSLoss of time

Solution Approach 1:

The mounting plate is pre-configured with apertures and fastening features before installation. This preliminary preparation of the mounting infrastructure allows for rapid installation of the LED light source without requiring time-consuming electrical wiring modifications or mechanical modifications to the existing fixture base, thereby reducing installation time while maintaining lighting performance improvements.

Inventive Principle:
Principle #10Preliminary action

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 straightforward and cost-effective replacement of existing fixtures with LED technology, minimizing the need for professional assistance and reducing installation costs while enhancing energy efficiency and ease of future upgrades.

Implementation Method 1

The LED wave guide down light fixture can also include at least one thermally conductive material

Methodology Applied
Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentUS11280459B2Light-emitting diode down light retrofit fixtures
Publication Date: 2022.03.22 SIGNIFY HOLDING BV
  • US11280459B2 patent drawing
  • US11280459B2 patent drawing
  • US11280459B2 patent drawing

AI summary

A system for mounting a light emitting diode (LED) wave guide down light retrofit fixture. The system can include a mounting plate having a number of apertures symmetrically positioned around a center of the mounting plate. The system can also include at least one fastening device mechanically coupled to an upper surface of the mounting plate using at least a first aperture of the apertures, where the at least one fastening device mechanically couples to a base of an existing fixture. The system can further include a coupling device mechanically coupled to a lower surface of the mounting plate. The system can also include a trim assembly having a frame and a LED light source mechanically coupled to the frame. The frame can have a coupling feature disposed on a top surface of the frame, where the coupling feature mechanically couples to the coupling device.