Angular Joint Solar Collector Pan for Variable Dimensions
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Solution Overview
Problem
Existing solar collectors have standardized dimensions due to the limitations of moulding processes, which restrict their adaptability to specific requirements and hinder efficient manufacturing.
Innovation Solution
The use of angular joints made from a single flat sheet of aluminium or alloys, which are bent and profiled to form the sides of the solar collector pan, allowing for customizable dimensions and improved structural stiffness, sealing, and handling through a simplified manufacturing process.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If moulding processes are used to manufacture solar collector pans, then manufacturing efficiency is improved, but the dimensions and size of the solar collector are constrained and standardized
Solution Approach 1:
The solar collector pan is divided into modular components: a base part and side parts that can be assembled together. The side parts can be configured in different numbers and arrangements to create various pan dimensions and shapes, enabling customization while maintaining efficient manufacturing of standardized modules.
Solution Approach 2:
The invention introduces adjustable and reconfigurable side parts that can be attached to the base part in different configurations. This dynamic assembly approach allows the same base component to serve multiple dimension requirements, transforming a static moulding process into a flexible assembly system.
2Adaptability or versatility
If multiple moulds are created to achieve different dimensions, then adaptability is improved, but manufacturing complexity and costs increase
Solution Approach 1:
A single base part design serves multiple functions by accommodating different configurations of side parts. This universal base component can be used across various solar collector models, eliminating the need for multiple specialized moulds while maintaining the ability to produce different dimensions.
Solution Approach 2:
By segmenting the pan into a standardized base part and configurable side parts, the invention reduces the number of moulds needed. Instead of creating unique moulds for each dimension combination, only the base part requires a mould, while side parts can be produced using fewer standardized moulds and then assembled in different configurations.
3Strength
If angular joints are used to connect pan sides, then structural stiffness is improved, but device complexity increases
Solution Approach 1:
The angular joint is integrated directly into the base part through injection moulding, combining what would otherwise be separate components into a single monolithic piece. This merging approach maintains the structural stiffness benefits of angular joints while eliminating the complexity of assembling separate joint components.
Solution Approach 2:
The base part is manufactured using composite materials (polypropylene and glass fibre) that provide high structural stiffness and strength. This material selection allows the base part to serve as both a structural element and a mounting platform for side parts, reducing the need for additional reinforcing components.
Data Source
Figure 1a
Figure 1b~2b
Figure 2a
AI summary
The object of the present invention is an angular joint for forming the pan of said solar collector. Said angular joint (1) mainly acts as joining element for the sides (21, 22, 23) of said pan (2), imparting the structural stiffness to the latter required for the purposes thereof. Said angular joint (1) further provides support to at least the absorber and the glazed cover of the solar collector, ensures the seal against water infiltrations (and the optional drainage thereof) and provides improved means for handling and properly installing and protecting the same solar collector.