Purlin-Less Bifacial Canopy Structure for Safer Hoisted PV Assembly
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Solution Overview
Problem
The installation of traditional new energy power generation integrated canopies poses high potential construction safety hazards and low efficiency due to the need for prolonged aerial operations and sequential on-site assembly.
Innovation Solution
A purlin-less hoisting-type bifacial power-generation integrated canopy with a bifacial splayed structure that allows for integral or partial hoisting modes, enabling pre-installation of photovoltaic panels and fixing structures, reducing aerial operations and allowing flexible size adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If traditional sequential on-site assembly is used, then installation flexibility is maintained, but installation efficiency is low and construction safety hazards increase
Solution Approach 1:
The photovoltaic assemblies are pre-installed on the purlins in a factory setting before the entire structure is transported to the installation site. This preliminary action eliminates the need for workers to perform aerial operations at the installation site, thereby reducing construction safety hazards while maintaining installation flexibility.
Solution Approach 2:
The canopy structure is divided into modular sections with purlins and photovoltaic assemblies pre-assembled as complete units. These segmented modules can be independently manufactured, quality-checked, and then quickly installed at the site, improving installation efficiency without compromising safety.
2Productivity
If pre-installation is performed in advance, then installation efficiency improves and safety hazards reduce, but adaptability to different site requirements decreases
Solution Approach 1:
The purlin structure incorporates adjustable and reconfigurable components that allow the pre-installed photovoltaic assemblies to be adapted to different site requirements. The modular design enables easy adjustment of panel angles, positions, and configurations while maintaining the benefits of pre-installation.
Solution Approach 2:
The purlins are designed with universal mounting interfaces and standardized connection mechanisms that can accommodate different photovoltaic panel types and configurations. This universality allows the same pre-installed structure to be adapted to various site requirements without sacrificing installation efficiency.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This design reduces construction safety hazards and improves installation efficiency by minimizing aerial operations and enabling pre-installation, while generating electricity for vehicle charging using solar energy.
Implementation Method 1
a charging and power generation integrated mechanism, which is configured to generate electricity by using solar energy during operation and then supply the electricity for vehicle charging
Data Source
AI summary
A purlin-less hoisting-type bifacial power-generation integrated canopy includes a supporting and fixing mechanism of a bifacial splayed structure as a whole to be conveniently hoisted during assembly, having a first hoisting mode for integral hoisting and a second hoisting mode for partial hoisting; and a charging and power generation integrated mechanism used to generate electricity by using solar energy during operation and then supply the electricity for vehicle charging. In the first hoisting mode of the supporting and fixing mechanism, the photovoltaic panels of the charging and power generation integrated mechanism and the fixing structure on the supporting and fixing mechanism for being pre-assembled with the photovoltaic panels are integrally hoisted; and in the second hoisting mode of the supporting and fixing mechanism, the photovoltaic panels and the fixing structure are hoisted partially.