Photovoltaic Module Reinforcement Beam for Strength and Low Weight

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Solution Overview

Problem

Photovoltaic modules installed outdoors require structural reinforcement to enhance strength, safety, and assemblability, while existing solutions do not adequately address these needs.

Innovation Solution

A photovoltaic module design featuring a reinforcement beam with a hollow space, connecting two sides of the frame at the rear of the solar panel, which includes flanges and webs to distribute shear stress and facilitate safe and convenient coupling, and optionally incorporates shock absorbing members for added protection.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If a reinforcement beam is added to the photovoltaic module, then the strength and structural stability are improved, but the device complexity increases

Engineering Contradiction:
Improvestructural strengthVSAvoidstructure complexity
Core Design Contradiction:
StrengthVSDevice complexity

Solution Approach 1:

The reinforcement beam is positioned within the frame structure at the rear of the solar panel, nesting the strengthening element within the existing module boundaries. This allows the reinforcement beam to provide structural support without adding external complexity or increasing the overall module footprint.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The reinforcement beam operates in the spatial dimension by connecting two separate sides of the frame at the rear of the solar panel. This dimensional approach provides structural reinforcement through spatial distribution rather than increasing material density or complexity in the primary panel area.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Stress or pressure

If the reinforcement beam is designed with flanges and webs, then the shear stress distribution is improved, but the manufacturing complexity increases

Engineering Contradiction:
Improveshear stress distributionVSAvoidmanufacturing complexity
Core Design Contradiction:
Stress or pressureVSEase of manufacture

Solution Approach 1:

The reinforcement beam is segmented into distinct flange and web components. This segmentation allows each part to be optimized for its specific function in distributing shear stress, while also enabling modular manufacturing and assembly processes that can simplify production despite the increased structural capability.

Inventive Principle:
Principle #1Segmentation

3Reliability

If shock absorbing members are incorporated, then the safety and protection are improved, but the device complexity increases

Engineering Contradiction:
ImprovesafetyVSAvoidcomponent complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

Shock absorbing members are incorporated into the reinforcement beam structure to provide beforehand cushioning against potential impacts or environmental stresses. This preventive measure enhances the reliability and safety of the photovoltaic module by protecting it from future damage, while the integration into the existing reinforcement structure minimizes additional complexity.

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

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

The design effectively minimizes drooping, increases the module's strength, enables safe and convenient assembly, and provides a secure grip during operation, while reducing the weight and ensuring safety by distributing shear stress and incorporating shock absorption.

Implementation Method 1

flanges and webs to distribute shear stress and facilitate safe and convenient coupling

Methodology Applied
Scientific EffectShear stress distribution: Shear Stress

Implementation Method 2

the reinforcement beam having a hollow space defined therein

Methodology Applied
Scientific EffectWeight reduction through hollow structure: Archimedes' Principle (Buoyancy)

Implementation Method 3

optionally incorporates shock absorbing members for added protection

Methodology Applied
Scientific EffectShock absorption: Damping

Data Source

PatentUS8418417B2Photovoltaic module
Publication Date: 2013.04.16 TRINA SOLAR CO LTD
  • US8418417B2 patent drawing
  • US8418417B2 patent drawing
  • US8418417B2 patent drawing

AI summary

A photovoltaic module has a reinforcement beam for strength reinforcement. The photovoltaic module includes a solar panel having one or more solar cells, a frame surrounding an edge of the solar panel, and a reinforcement beam connecting two separate sides of the frame at the rear of the solar panel, which is opposite to a light receiving surface of the solar panel upon which solar light is incident, the reinforcement beam having a hollow space defined therein.