Solar Module Fixing Member Layout for Rafter Alignment

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Solution Overview

Problem

Conventional solar battery modules face issues with secure fixation due to misalignment between joint portions and rafters, requiring complex machining and increasing costs, and labor-intensive installation processes.

Innovation Solution

A construction method using a fixing member with a pedestal, to-be connected portion, and plate-like portion to securely attach solar battery modules to support members, allowing for adjustable positioning and reduced labor through symmetrical frame body designs and engaging mechanisms, ensuring secure mounting and cost reduction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If joint portions are integrally created with solar battery modules for mounting on roof board, then the modules can be directly mounted without roofing agent, but the position of joint portions may not align with rafters, creating problems such as joint portions not being fixed to rafter and deterioration of fixing strength

Engineering Contradiction:
Improvedirect mounting capabilityVSAvoidfixing strength
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The fixing system is divided into separate components: the solar battery module with frame body, and a separate adjusting member that can be independently positioned. This segmentation allows the module to be manufactured with standardized joint portions while the adjusting member provides the alignment function, resolving the conflict between manufacturing simplicity and installation reliability.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The adjusting member acts as an intermediary between the solar battery module and the rafter. It has a first engaging portion that connects to the module's joint portion and a second engaging portion that connects to the rafter, allowing for position adjustment to ensure proper alignment with the rafter structure, thereby maintaining fixing strength.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Ease of manufacture

If eaves-side frame body and ridge-side frame body have different shapes to accommodate joint portions, then modules can be mounted on roof board, but complicated machining operation is required which increases cost

Engineering Contradiction:
Improvemounting capabilityVSAvoidframe body shape complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The adjusting member is designed as a universal component that can be used with both eaves-side and ridge-side frame bodies. Although the frame bodies have different shapes to accommodate their specific mounting orientations, the adjusting member provides a standardized interface that simplifies the overall system and reduces the complexity of custom components.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The eaves-side and ridge-side frame bodies are intentionally designed with asymmetric shapes appropriate for their respective positions on the solar battery module. This asymmetry allows each frame body to be optimized for its specific mounting orientation while working together with the adjusting member to achieve proper alignment with rafters.

Inventive Principle:
Principle #4Asymmetry

3Ease of manufacture

If fixing member position is fixed relative to frame body, then manufacturing is simplified, but the fixing member cannot be aligned with rafter positions, reducing fixing reliability

Engineering Contradiction:
Improvefixing member manufacturingVSAvoidrafter alignment
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The adjusting member introduces dynamic adjustability to the fixing system. It can be positioned at different locations along the frame body and secured at the optimal position that aligns with the rafter. This dynamic positioning capability allows the system to adapt to varying rafter spacings and positions while maintaining manufacturing simplicity through standardized components.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentUS8039733B2Construction method of solar battery modules
Publication Date: 2011.10.18 YANEGIJUTSUKENKYUJO CO LTD
  • US8039733B2 patent drawing
  • US8039733B2 patent drawing
  • US8039733B2 patent drawing

AI summary

A construction method of solar battery modules by which solar battery modules are fixed using a fixing member, including: connecting a first frame body of a solar battery module between a pedestal and a to-be connected portion on a side opposite to a side of a plate-like portion extending outward farther than the pedestal with respect to an axis of the fixing member; sliding the fixing member to a position of a structural member such as a rafter along the first frame body; fixing the fixing member to a support member by the plate-like portion extending outward farther than the pedestal; and connecting a first frame body of a second solar battery module different from the first solar battery module between the pedestal and the to-be connected portion on a side identical to a side of the plate-like portion extending outward farther than the pedestal with respect to the axis.