Modular Downlight Driver and Light Engine Separation
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Solution Overview
Problem
Traditional recessed can downlights with integrated driver electronics are difficult to retrofit or reconfigure, requiring ceiling removal for installation, limiting versatility and flexibility in both new construction and retrofit applications.
Innovation Solution
A downlight design featuring a separate driver electronics housing and light engine housing connected via a reversible electrical connector, allowing for independent installation and easy selection of lighting characteristics, such as lumens and color temperature, with the driver electronics housing being separable from the light engine housing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If driver electronics are integrated into the housing containing the light source, then the device structure is simplified, but the installation becomes difficult to retrofit or reconfigure requiring ceiling removal
Solution Approach 1:
The downlight is divided into separate modular components: a driver electronics housing containing the driver and power connections, and a light engine housing containing the LED light source. These modules connect via a reversible electrical connector, allowing independent installation and reconfiguration without requiring ceiling removal, thus resolving the contradiction between structural simplicity and installation flexibility.
2Ease of manufacture
If the downlight uses a single integrated housing, then manufacturing is simpler, but adaptability for different applications is reduced
Solution Approach 1:
The driver electronics housing is designed as a universal module that can interface with different light engine housings through standardized reversible electrical connectors. This allows the same driver housing to be used across various downlight applications and configurations, enhancing adaptability while maintaining manufacturing efficiency through component standardization.
3Reliability
If ceiling tiles are removed for installation, then proper electrical connection is achieved, but installation time and complexity increase
Solution Approach 1:
The driver electronics housing is pre-configured with all necessary electrical connections and mounting interfaces before installation. The reversible electrical connector is pre-assembled with the driver housing, allowing installers to simply connect the light engine to the pre-prepared driver housing without requiring ceiling tile removal or complex electrical wiring work, thus reducing installation time while maintaining connection reliability.
Data Source
AI summary
A light structure that includes a driver electronics housing including two laterally disposed compartments for electrical connections on opposing sides of a centrally positioned compartment including driver electronics, wherein a first compartment of the two laterally disposed compartments includes a main power connector for connection to a main power source. The light structure further includes a light engine housing having a recessed down light structure geometry for containing a light emitting diode (LED) light source. The light structure further includes a reversible driver to light source connector for electrically connecting the light engine housing containing the light emitting diode (LED) light source and the driver electronics housing including the driver electronics.