Solar Racking Rail Nut Geometry for Fast Secure Roof Mounting
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Solution Overview
Problem
Existing solar panel racking systems face challenges in efficiently and quickly securing solar panels to rooftops, particularly in ensuring secure and adjustable mounting of panels at inclined angles without requiring complex tool usage.
Innovation Solution
An attachment system comprising a rail with an arcuate channel and retainer, and a nut with an arcuate portion and flange, allowing for easy, tool-free releasable engagement between the nut and rail, facilitating secure positioning and adjustment of solar panels by snapping the nut into place within the rail's receiver.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional fastening methods are used to secure solar panels to rooftops, then secure attachment is achieved, but installation time and complexity increase
Solution Approach 1:
The fastening system is divided into separate modular components: a rail with receiver, a nut with arcuate portion and flange, and a fastener. This segmentation allows for quick assembly and disassembly without requiring complex tool usage, thereby reducing installation time while maintaining secure attachment through the interlocking design of the components.
Solution Approach 2:
The arcuate channel and arcuate portion are designed to automatically guide and orient the nut as it is inserted into the receiver. The geometry of these features causes the nut to self-align and snap into the correct position without requiring precise manual positioning or additional alignment tools, significantly speeding up the installation process.
2Reliability
If traditional fastening systems are used, then secure mounting is achieved, but ease of operation and adjustability decrease
Solution Approach 1:
The system is designed to be dynamically adjustable rather than fixed. The rail can be positioned at various locations along the roof, and the receiver can accommodate the nut at different orientations. The fastener can be easily removed and repositioned, allowing for adjustments to panel angles and positions while maintaining secure mounting through the same interlocking mechanism.
3Reliability
If complex fastening mechanisms are used to ensure secure attachment, then attachment reliability improves, but device complexity increases
Solution Approach 1:
The complex alignment and positioning functions that would traditionally require sophisticated mechanisms are extracted and replaced by the simple geometric features of the arcuate channel and arcuate portion. These features passively guide the nut into the correct position through their shape alone, eliminating the need for additional alignment tools, adjustment mechanisms, or complex assembly procedures.
4Manufacturing precision
If manual positioning and alignment are required for fastening, then precise positioning is achieved, but productivity decreases
Solution Approach 1:
The arcuate channel and arcuate portion are designed to automatically guide and orient the nut as it is inserted into the receiver. The geometry of these features causes the nut to self-align and snap into the correct position without requiring precise manual positioning or additional alignment tools, significantly speeding up the installation process.
Data Source
AI summary
An attachment system for a solar panel racking system is provided. The attachment system comprises a rail, a nut and a fastener. The rail includes a receiver to releasably receive the nut. The receiver has an arcuate channel and a retainer. The nut has an arcuate portion sized and dimensioned to be receivable within the arcuate channel, and a flange for releasable engagement with the retainer. Upon receipt of the arcuate portion within the arcuate channel, the flange releasably engages the retainer to releasably engage the nut within the receiver. The fastener secures the nut within the receiver and thereby secures the rail to the structure. The arcuate channel assists in the releasable engagement between the nut and the rail by assisting in cooperatively orienting and positioning the nut to guide the nut into the receiver.