Foldable Solar Panel Support Rails for Precise Panel Spacing
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Solution Overview
Problem
Existing solar energy collection systems are costly, labor-intensive, structurally inferior, and mechanically complicated, requiring meticulous on-site assembly and precise spacing of photovoltaic panels to accommodate temperature changes, which is difficult to achieve without advanced technical assistance.
Innovation Solution
A bi-directional span of support members with tubular rails and gravity clips allows for off-site assembly to precise engineering specifications, enabling easy attachment and spacing of solar panels, with bolts and nuts forming a T-slot channel for adjustable attachment and C-slot for wiring retention, allowing the system to be folded for shipping and unfolded for secure installation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If standard support systems with C-shaped channels and multiple clips are used, then solar panels can be securely attached, but the system becomes costly, labor-intensive, and mechanically complicated
Solution Approach 1:
The support system is divided into modular components: adjustable support rails with T-slot channels for positioning, and integrated gravity clips that combine multiple functions. Each rail segment can be independently adjusted and positioned, allowing the system to be assembled in manageable sections rather than requiring complex pre-fabricated structures.
Solution Approach 2:
The gravity clip integrates multiple functions into a single component: it acts as both a structural support element and a fastening mechanism. The clip combines the holding function with the spacing function, eliminating the need for separate clips and adjustment mechanisms used in traditional systems.
2Manufacturing precision
If meticulous on-site assembly is performed to achieve precise panel spacing, then temperature expansion/contraction can be accommodated, but installation time and labor costs increase significantly
Solution Approach 1:
The support rails are pre-fabricated with T-slot channels at precise intervals during manufacturing, rather than requiring on-site measurement and marking. The gravity clips are pre-formed with specific geometries that automatically provide correct spacing when installed, eliminating the need for meticulous on-site adjustment and measurement.
Solution Approach 2:
The gravity clip design allows panels to be self-spaced through the inherent geometry of the clip structure. When the panel is placed on the support rail, the gravity clip automatically positions it at the correct spacing interval without requiring manual measurement or adjustment by installers.
3Manufacturing precision
If advanced technical assistance is provided during assembly, then precise spacing can be achieved, but installation costs increase
Solution Approach 1:
The system is designed to be self-aligning and self-spacing through the geometry of the T-slot channels and gravity clips. The T-slot channels guide the rails into proper alignment, and the gravity clips automatically provide correct spacing, allowing installers without advanced technical skills to achieve precise results through the inherent design features rather than requiring expert guidance.
4Loss of substance
If the support system is designed for easy shipping, then transportation costs decrease, but assembly complexity may increase
Solution Approach 1:
The gravity clips are designed to nest within or attach to the support rails in a compact configuration for shipping. The modular rail sections can be stacked or nested together, maximizing shipping space utilization and reducing transportation costs while maintaining the structural integrity needed for easy on-site assembly.
Data Source
AI summary
An array of photovoltaic panels is supported in rows and columns spaced from one another using a foldable bi-directional span of support members. The support members include a plurality of support joists and support rails braced at an incline. Each support rail is tubular and generally rectangular, having a lower wall section with a T-slot channel for acceptance of the head of a bolt for adjustable attachment with the support joist. Also, the support rail may have a C-slot channel for retaining electrical wires. Clips are used to secure each panel to upper wall portions of underlying support rails. Each clip has a generally U-shaped gasket and is retained to a corresponding support rail through a threaded hole in a top wall of the support rail that receives a bolt or similar threaded fastener.