LED Driver Integration in Gang Boxes for Dimmer Compatibility
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Solution Overview
Problem
LED light fixtures require separate transformers-rectifiers to convert high-voltage AC power to low-voltage DC, and existing dimmers for incandescent lighting are often incompatible with LEDs, limiting power handling capacity and aesthetic options, and are expensive.
Innovation Solution
An LED driver system that fits within a standard electrical junction box, allowing integration with traditional AC dimmers and using fascial elements for aesthetic matching, with partitioning of high and low voltage components for safety and flexibility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate transformer-rectifier driver is used for LED fixtures, then the LED fixture can operate at low voltage DC, but additional installation space is required within walls or in hidden locations
Solution Approach 1:
The patent combines the LED driver and dimmer switch into a single integrated unit that fits within a standard electrical gang box. This merging of functions eliminates the need for separate transformer-rectifier and dimmer installations, resolving the space constraint while maintaining LED operation reliability.
Solution Approach 2:
The integrated driver-dimmer unit performs multiple functions: power conversion (AC to DC), voltage regulation, and dimming control. This multi-functionality allows a single device to replace what would traditionally require multiple separate components, addressing the installation space problem.
2Ease of operation
If legacy AC dimmers are used with LED fixtures, then dimming capability is provided, but compatibility issues arise and power handling is limited
Solution Approach 1:
The patent introduces an intermediary integrated driver unit that sits between the legacy AC dimmer and the LED fixture. This intermediary translates the dimmer's AC control signals into appropriate DC control for the LEDs, enabling compatibility between legacy dimmers and modern LED technology while maintaining full dimming capability.
3Adaptability or versatility
If specialized LED driver-dimmer switches are manufactured, then LED compatibility is improved, but aesthetic options and color varieties are limited
Solution Approach 1:
The patent segments the functional components (driver circuitry, dimming control) from the aesthetic faceplate. This allows the functional unit to be standardized for LED compatibility while the faceplate can be manufactured in various styles, colors, and designs to match different interior decors, resolving the aesthetic flexibility problem.
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 the use of legacy AC dimmers with LED drivers without additional space, increased power handling, and aesthetic flexibility, while maintaining safety through voltage separation.
Implementation Method 1
transformers-rectifiers to convert the higher-voltage AC power to 24 VDC
Implementation Method 2
transformers-rectifiers to convert the higher-voltage AC power to low-voltage DC
Data Source
AI summary
A power and control assembly is disclosed. An LED driver is sized and adapted to fit within a single compartment of an electrical gang box. The driver has a groove or channel, and an electrical element, such as a switch, is sized to fit within the groove.