Window-Mounted Solar Module Frame for Easy Replacement

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Solution Overview

Problem

Existing methods for integrating solar cells on windows face issues such as degradation of window functions, mismatched lifespans leading to uneconomical replacements, and the need for expert installation and connection of solar modules.

Innovation Solution

A solar module system comprising a support member with a solar module, frame member, and terminals for easy installation and connection, allowing detachable and modular integration with windows without requiring expert installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Power

If a solar cell is embedded in a hole or hollow formed on a window, then power generation capability is improved, but window functions such as heat resistance and mechanical resistance are degraded

Engineering Contradiction:
Improvepower generation capabilityVSAvoidwindow function integrity
Core Design Contradiction:
PowerVSReliability

Solution Approach 1:

The invention divides the solar cell system into a separate module that can be mounted on the window surface without embedding it in the window structure. The solar cell is placed in a frame member that is attached to the window, maintaining window integrity while enabling power generation.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A frame member acts as an intermediary between the solar cell and the window. This frame member holds the solar cell and connects it to the window through support members, preventing direct embedding while maintaining both power generation and window function.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Adaptability or versatility

If a solar cell is embedded inside window glass, then integration is improved, but replacement cost increases when lifespans mismatch

Engineering Contradiction:
Improveintegration levelVSAvoidreplacement cost
Core Design Contradiction:
Adaptability or versatilityVSEase of manufacture

Solution Approach 1:

The solar cell is separated from the window glass into an independent module. The frame member containing the solar cell can be detached and replaced independently from the window, allowing selective replacement based on component lifespan without replacing the entire window assembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The mounting system allows for dynamic replacement of the solar cell module. The frame member can be easily attached and detached from the window, enabling flexible maintenance and replacement operations without permanent integration.

Inventive Principle:
Principle #15Dynamics

3Ease of operation

If a member with embedded solar cell is mounted independently of a window, then ease of mounting is improved, but connection work requires expert knowledge

Engineering Contradiction:
Improveease of mountingVSAvoidconnection work complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The frame member is designed with universal mounting features that can be attached to various window types using standard support members. The terminal structure provides universal electrical connection points that simplify wiring and reduce the need for specialized installation knowledge.

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

Solution Approach 2:

The mounting system is designed to be self-explanatory and easy to assemble. The support members and frame member incorporate features that guide proper installation, reducing the need for expert knowledge while maintaining secure mounting and proper electrical connections.

Inventive Principle:
Principle #25Self-service

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

Facilitates easy installation and replacement of solar modules, maintains window functionality, and prevents degradation, while ensuring efficient power generation and aesthetic integration.

Implementation Method 1

a solar module arranged on the principal surface

Methodology Applied
Scientific EffectPhotovoltaic effect: Photovoltaic Effect

Data Source

PatentEP4415257B1Solar module system, solar system, and mounting method
Publication Date: 2025.09.10 KK TOSHIBA
  • EP4415257B1 patent drawingFigure 1
  • EP4415257B1 patent drawingFigure 2
  • EP4415257B1 patent drawingFigure 3

AI summary

According to one approach, a solar module system includes: a support member that has a principal surface; a solar module arranged on the principal surface; a first terminal arranged on the support member and electrically connected with an electrode of the solar module; a frame member configured to hold the support member such that the solar module opposes to a transparent member; and a second terminal arranged on the frame member and electrically connected with the first terminal of the support member being held by the frame member.