Pan-Frame Junction Box for Serviceable Emergency Lighting
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing lighting systems do not efficiently accommodate additional components such as separate drivers or emergency ballasts, and lack a convenient mechanism for verifying emergency power supply without accessing the space behind the ceiling.
Innovation Solution
A junction box mounted on a pan-style frame that allows for the inclusion of separate drivers or emergency ballasts, with a test switch accessible from below the ceiling for verifying emergency power supply, and components that are easily serviceable and replaceable without accessing the space behind the ceiling.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the junction box is designed to accommodate only basic lighting components, then the device complexity is reduced, but the adaptability for additional components like separate drivers or emergency ballasts is limited
Solution Approach 1:
The junction box is designed as a multi-functional universal mounting structure that can accommodate not only basic lighting components but also separate drivers, emergency ballasts, and other electrical components. The pan-style frame with multiple mounting surfaces and standardized knockouts creates a universal platform that serves multiple functions within a single device.
2Ease of operation
If the emergency power supply verification requires accessing the space behind the ceiling, then the reliability of emergency power can be confirmed, but the ease of operation is reduced
Solution Approach 1:
A test switch is introduced as an intermediary component that enables remote verification of emergency power supply status. The test switch is mounted on the trim piece accessible from below the ceiling, allowing users to verify emergency power functionality without needing to access the junction box or space behind the ceiling, thus maintaining both ease of operation and reliability verification.
3Ease of repair
If components are installed in a fixed position behind the ceiling, then the stability of the installation is improved, but the ease of repair is reduced
Solution Approach 1:
The lighting system is segmented into modular components (light source assembly, driver, emergency ballast) that can be independently accessed and serviced. The trim piece acts as a access point that allows technicians to reach components behind the ceiling without removing the entire fixture, enabling easy repair while maintaining stable installation.
4Ease of manufacture
If the junction box uses a traditional mounting structure, then the ease of manufacture is improved, but the adaptability for pan style frame mounting is reduced
Solution Approach 1:
The junction box incorporates a pan-style frame mounting structure that provides universal compatibility with different ceiling types and installation configurations. The frame design with standardized mounting points and knockouts maintains ease of manufacture through modular construction while achieving broad adaptability for various mounting scenarios.
Data Source
AI summary
Embodiments are directed to a lighting system including a junction box for accommodating a light source assembly, and which is configured to allows for additional components such as separate drivers or emergency ballasts to also be included in the lighting system together with the light source assembly. In embodiments, the junction box is mounted on a pan style frame. In some embodiments, the lighting system includes a test switch mounted on a trim piece that is accessible from below a ceiling in which the lighting system is installed, and which allows for an emergency power supply to be verified.