Solar Panel Mounting Profile with Spacers and Cable Ducts
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Solution Overview
Problem
Existing mounting systems for solar panels on inclined roofs are labor-intensive and prone to errors due to sensitivity to panel size tolerances, lack of support for cabling, and the risk of dropped fastening parts falling, requiring unnecessary time and risk for reassembly.
Innovation Solution
A mounting unit with a profile part featuring a U-shaped cross-section, incorporating a spacer for aligning panel clamps, a cable duct for organizing cabling, and a screw or bolt holder to secure fastening elements, reducing the need for separate parts and minimizing the risk of dropped items.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate fastening units are used for different roof shapes and materials, then adaptability to various roofs is improved, but device complexity increases due to needing multiple different units
Solution Approach 1:
The mounting unit is designed with a universal profile part that can be adapted to different roof shapes (trapezium, wave) and materials (steel, concrete) through a single standardized component design, eliminating the need for multiple different fastening units while maintaining adaptability across various roof types
2Manufacturing precision
If manual alignment of rectangular solar panels is performed without spacers, then manufacturing precision is improved through flexible positioning, but labor intensity increases significantly
Solution Approach 1:
The spacer is pre-installed on the profile part at a predetermined distance from the end, establishing the correct panel position in advance. This preliminary positioning action eliminates the need for manual alignment during installation, as the panel simply needs to be placed against the pre-positioned spacer to achieve precise alignment automatically
3Adaptability or versatility
If panel clamps are positioned without predetermined spacing, then adaptability to different panel sizes is improved, but alignment precision deteriorates due to sensitivity to size tolerances
Solution Approach 1:
The spacer provides a localized predetermined distance measurement from the profile end, creating a fixed reference point for panel positioning. This local quality control at the spacer location ensures consistent alignment precision regardless of variations in overall panel dimensions or tolerances
4Adaptability or versatility
If separate parts are used for mounting without integrated holders, then adaptability to different mounting configurations is improved, but productivity decreases due to parts sliding and falling
Solution Approach 1:
The spacer, cable duct, and screw/bolt holder are merged into a single integrated profile part structure. This combination prevents individual parts from sliding or falling during installation, as all components are fixed to the profile, thereby eliminating productivity losses while maintaining the adaptability of the mounting system
5Device complexity
If cabling is not supported by the fastening unit, then device complexity is reduced, but ease of operation worsens due to lack of cabling support
Solution Approach 1:
The profile part is designed with multi-functionality by integrating a cable duct directly into its structure. This allows the same profile component to serve both structural support functions and cable routing functions, improving ease of operation for cabling installation without significantly increasing device complexity
Data Source
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AI summary
Mounting unit for solar panels, comprising a profile part extending in a longitudinal direction from a first end face to a second end face, in particular with a substantially U-shaped cross section in the width direction, for mounting on an in particular inclined roof and for keeping a panel clamp in position selectable in the direction for clamping at least one solar panel, provided with at least one functional element from the group of a spacer for blocking displacement of the panel clamp at a predetermined distance from an end of the profile part in one direction, in particular being a panel end clamp, in the longitudinal direction, a cable duct or holder and/or a screw or bolt holder for clampingly holding a mounting bolt or screw, in particular in a position suitable for mounting.