Rail-Mountable Junction Box With Universal Solar Rail Bracket
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional junction boxes are poorly suited for harsh environments and lack universal mounting capabilities on solar array rail structures, being limited to specific rail types and sizes.
Innovation Solution
A rail-mountable junction box with a housing and mounting bracket system that includes a retaining edge and a universal rail mount, allowing for secure attachment to various solar array rail structures, featuring a reinforced connection and adjustable clamp for compatibility with multiple rail types.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional junction boxes are used, then they can be mounted to specific rail structures, but they lack universal mounting capability and are limited to narrow use cases
Solution Approach 1:
The mounting bracket is designed with a universal interface that can accommodate multiple rail structure types, sizes, and configurations. The bracket includes adjustable components and multiple mounting configurations that enable it to work with various solar array rail systems rather than being limited to a single specific rail type.
Solution Approach 2:
The mounting bracket is divided into separate functional components including a retaining edge portion, a mounting interface portion, and reinforcement elements. This segmentation allows each component to be optimized for its specific function while maintaining overall universal compatibility.
2Reliability
If the junction box is designed for harsh environment durability, then it can withstand rain, wind, sun, ice, and snow exposure, but the mounting bracket requires reinforced connections increasing complexity
Solution Approach 1:
The mounting bracket is integrated as a unified structure with the junction box housing, combining the mounting function with the structural integrity requirements for harsh environments. The reinforced connections are built into the bracket design itself rather than being separate components.
Solution Approach 2:
The mounting bracket utilizes materials and construction methods that provide both the strength needed for harsh environment durability and the flexibility needed for universal mounting compatibility. The reinforced connections use composite structural approaches that distribute loads effectively.
3Reliability
If the mounting bracket includes a retaining edge for secure attachment, then it provides reliable mounting, but it reduces the clearance distance for access into the interior portion
Solution Approach 1:
The retaining edge is positioned and dimensioned to provide adequate mounting security at specific locations while maintaining sufficient clearance in other areas for installer access. The bracket design varies the thickness and positioning of the retaining edge to optimize both security and accessibility locally.
Data Source
AI summary
A junction box can include a housing with a bottom surface and sidewalls extending upward from a periphery of the bottom surface. In certain implementations, the sidewalls include a mounting sidewall to mount to a solar array rail structure. In addition, the junction box can include a lid positionable on the housing. Further, the junction box can include a mounting bracket. In some examples, the mounting bracket can include a first bracket connected to the mounting sidewall, the first bracket wall extending perpendicular to the mounting sidewall. Additionally, the mounting bracket can include a second bracket wall connected to the first bracket wall, the second bracket wall extending parallel to the mounting sidewall.