Tool-Free PV Module Mounting with Hinged Clamps and Tubular Beams
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Solution Overview
Problem
Existing rail-free photovoltaic (PV) mounting systems require complex installations, are time-consuming, and increase material costs due to the need for flashings that complicate the installation process and create potential leak points.
Innovation Solution
A PV mounting system featuring a base portion with a lip and a hinged clamp that allows for tool-free, boltless installation, using a tubular beam member to support PV modules, which reduces installation time and material costs by eliminating the need for flashings and additional tools.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If traditional rail-based mounting systems are used, then structural stability is improved, but installation complexity and time increase
Solution Approach 1:
The patent removes the rail component from the mounting system, extracting only the essential function of supporting PV modules. The direct mount system attaches modules directly to the roof structure at four corners, eliminating the complex rail assembly while maintaining structural stability through direct rigid connections.
Solution Approach 2:
The mounting system is segmented into independent module-level attachments rather than continuous rails. Each PV module is mounted independently at its four corners using individual flashings and fasteners, allowing modular installation and reducing overall system complexity.
2Reliability
If flashings are used in direct mount systems, then water leakage protection is improved, but installation time increases
Solution Approach 1:
The flashings are pre-formed with integrated fastening features and attachment points. The preformed geometry allows installers to simply position and secure the flashings without complex field assembly, reducing installation time while maintaining effective water diversion and protection capabilities.
3Reliability
If flashings are installed under roofing shingles, then waterproofing is improved, but risk of creating leak points increases
Solution Approach 1:
The flashing design converts the potential harm of penetrating roofing shingles into a beneficial waterproofing solution. The flashings are specifically designed to integrate with shingle roofing, with features that direct water flow away from penetration points and seal around fasteners, transforming the vulnerability of roof penetrations into protected waterproof connections.
4Adaptability or versatility
If multiple components are used in direct mount systems, then adaptability is improved, but material costs increase
Solution Approach 1:
The flashing component is designed as a universal multi-functional element that combines water diversion, structural attachment, and electrical isolation functions. This single component serves multiple purposes in the mounting system, reducing the need for separate specialized parts and lowering overall material costs while maintaining adaptability to different roof types.
Data Source
AI summary
A photovoltaic (PV) mounting hardware support system having a base portion. The system includes a hinged clamp having a first clamp portion hingedly connected to a second clamp portion and operable to lock and unlock the first clamp portion and second clamp portion to the base portion. A beam member is provided and configured as a mount for a PV module coupling device. The beam member is clamped between the first clamp portion and second clamp portion.