Solar Panel Grounding Lug Assembly Design
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Solution Overview
Problem
Current solar panel racking systems face challenges in secure and efficient electrical grounding, as existing methods require multiple fasteners to penetrate the rail, which can be cumbersome and may not ensure proper grounding compliance.
Innovation Solution
A grounding lug assembly comprising a bottom member with flanges for slidably engaging mounting rail clips and a top member with a grounding wire channel, clamped by a single fastener that does not penetrate the rail, ensuring secure and compliant grounding of solar panel racking systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple fasteners are used to penetrate the rail for grounding, then the grounding connection is secure, but the installation becomes cumbersome and complex
Solution Approach 1:
The patent combines multiple fastening functions into a single fastener that simultaneously secures the grounding wire and attaches the assembly to the rail, eliminating the need for multiple separate fasteners and reducing installation complexity while maintaining secure grounding connection
Solution Approach 2:
The single fastener serves multiple functions: it clamps the grounding wire in place, secures the bottom member to the rail, and provides structural support, thereby reducing the number of components needed and simplifying the overall grounding assembly
2Reliability
If multiple fasteners penetrate the rail, then the grounding is secure, but the installation time increases
Solution Approach 1:
By merging the grounding wire attachment and rail mounting functions into a single fastening operation, the patent reduces the number of installation steps and time required while ensuring secure grounding connection through the integrated design
3Device complexity
If a single fastener is used to clamp the grounding wire and secure to the rail, then the installation is simplified, but the grounding connection security may be compromised
Solution Approach 1:
The patent merges the grounding wire clamping function and rail attachment function into a single fastener assembly that simultaneously performs both functions with equal effectiveness, maintaining secure grounding connection while simplifying installation
Solution Approach 2:
The grounding lug assembly is segmented into distinct functional components (top member for wire contact, bottom member for rail engagement, flanges for positioning) that work together through a single fastening action, ensuring both simplicity and security
Data Source
AI summary
Solar panel grounding lug assemblies and systems are disclosed. The grounding lugs may include a top member having a grounding wire channel and an aperture, a bottom member having an aperture, and a fastener inserted through the apertures. The fastener may couple the top member to the bottom member and secure a grounding wire within the grounding wire channel.