Composite Insulating Panel Reinforcement for Flush PV Integration
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Solution Overview
Problem
Existing composite insulating panels with integrated photovoltaic systems face structural instabilities and installation challenges due to cut-away openings, leading to deformation and compromised weather-tight joints.
Innovation Solution
The use of reinforcing means such as Z, U, L, or T shaped members made from galvanized steel, combined with gaskets for weather-tight seals and recessed indentations, provides structural stability and maintains a flush joint, while maximizing surface area for light absorption and accommodating thermal expansion differences.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a cut-away opening is provided in the external sheet to accommodate a photovoltaic module, then the panel can integrate solar energy collection, but the structural stability of the panel is compromised
Solution Approach 1:
The panel is divided into distinct functional zones: the external sheet with cut-away openings for photovoltaic modules, the insulating body providing thermal isolation, and the internal sheet forming the inner structure. This segmentation allows each component to optimize its function while maintaining overall structural integrity despite the openings in the external sheet.
Solution Approach 2:
The panel employs a composite construction combining the external sheet (with photovoltaic module openings), the insulating body (providing thermal resistance), and the internal sheet (forming structural support). This composite structure compensates for the structural weakness introduced by cut-away openings through the combined strength of multiple materials and layers.
2Adaptability or versatility
If photovoltaic modules are bonded to the external surface, then solar energy collection is enabled, but fitting and installation become difficult
Solution Approach 1:
The photovoltaic modules are pre-integrated into the external sheet during panel manufacturing, with cut-away openings precisely formed and modules positioned before the panel is assembled. This preliminary integration eliminates the need for complex field installation of photovoltaic components, allowing the panel to be installed as a complete unit.
Solution Approach 2:
The photovoltaic module integration is merged with the panel manufacturing process itself, combining the external sheet formation, module positioning, and panel assembly into a single integrated production workflow. This merging of functions simplifies installation since the photovoltaic capability is inherent to the panel structure rather than a separate addition.
3Area of moving object
If the external sheet has a flat portion with cut-away opening, then surface area for light absorption is maximized, but the endlap deforms or buckles compromising the joint
Solution Approach 1:
The external sheet features localized flat portions with cut-away openings positioned in areas that maximize photovoltaic module exposure to sunlight, while other portions of the sheet maintain their original geometry to preserve structural integrity and ensure proper endlap alignment. This local differentiation optimizes both light absorption and joint reliability.
Solution Approach 2:
The panel design anticipates potential deformation at endlaps by carefully positioning cut-away openings and flat portions away from critical joint areas, or by providing structural reinforcement in those zones. This beforehand consideration prevents buckling and maintains flush joints while still allowing sufficient photovoltaic surface area.
Data Source
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AI summary
A panel system (1) and method for manufacturing a panel system comprising a composite insulating panel comprising; a first sheet (2) having an inner face and an outer face, a second sheet (3) having an inner face and an outer face; and a body of insulating material (4) between the inner face of the first sheet and the inner face of the second sheet, the first sheet having a cut-away opening (7) therein for mounting a photovoltaic solar collector module; and a first reinforcing means, attached to the inner face of the first sheet at a first side of the panel and a second reinforcing means attached to the inner face of the first sheet at the opposing side of the panel and wherein the first and second reinforcing means (18) extend at least partially into the body of insulating material, the system further comprising a photovoltaic solar collector module mounted in the cut-away opening therein having an inner face and an outer face and wherein the body of insulating material extends between inner face of the second sheet, the inner face of the first sheet and the inner face of the photovoltaic solar collector module.