Directional Accent Luminaire Integrated Junction Box
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Solution Overview
Problem
Conventional directional accent luminaires require a separate junction box for connecting to a power source, limiting installation flexibility and increasing complexity.
Innovation Solution
The luminaire design integrates the rear portion as a junction box, allowing power supply conductors to be directly connected to internal conductors within the housing, eliminating the need for a separate junction box and enabling easier positioning and installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate junction box is used for connecting power supply conductors, then the connection is reliable and organized, but the installation flexibility is limited and the device complexity increases
Solution Approach 1:
The patent combines the junction box function with the luminaire housing by creating an integrated rear compartment that serves both as the structural housing and as the electrical connection chamber. Power supply conductors are routed directly through the mounting device into this rear compartment, eliminating the need for a separate external junction box while maintaining reliable electrical connections and installation flexibility
2Reliability
If a separate junction box is used for connecting power supply conductors, then the electrical connection is secure, but the number of components increases and installation becomes more complex
Solution Approach 1:
The junction box functionality is merged into the luminaire housing structure itself. The rear compartment of the housing serves dual purposes: providing structural support and housing the electrical connections. This integration reduces the total component count from multiple separate parts (housing + separate junction box) to a unified structure, simplifying installation while maintaining secure electrical connections
Solution Approach 2:
The luminaire housing is designed with multi-functionality, where the rear portion serves both as the structural enclosure and as the electrical junction chamber. This universal design allows the same component to fulfill multiple functions, eliminating the need for dedicated separate components and reducing overall system complexity
3Reliability
If power supply conductors are routed through a separate junction box, then the electrical connection is organized, but the installation time increases
Solution Approach 1:
By integrating the electrical connection chamber into the luminaire housing's rear compartment, the patent eliminates the need to separately locate, access, and connect to an external junction box. Installers can route power supply conductors directly from the mounting device into the housing's rear compartment in a single continuous operation, significantly reducing installation time while maintaining organized electrical connections
Data Source
AI summary
A directional accent luminaire includes a housing having a front portion including a front compartment, a rear portion with a rear opening extending from the front portion, and a wall positioned between the front portion and the rear portion. A cover is removably connected over the rear portion to selectively enclose the rear opening. A light emitter is positioned in the front compartment for emitting light in a direction away from the rear portion. A control component is positioned in the front compartment for controlling the light emitter. An internal conductor is electrically connected to the control component and extends from the front portion into the rear portion. The rear portion includes a junction compartment for housing a connection between a power supply conductor and the internal conductor. The removal of the cover provides access to the junction compartment through the rear opening.