Solar Cell String Wiring Layout for Easier Blind-Like Module Assembly
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Solution Overview
Problem
The assembly of solar cell modules for glass building materials is cumbersome due to the need for precise positioning and electrical connection of long and narrow solar cell strings, which complicates the process.
Innovation Solution
A solar cell module design featuring at least three solar cell strings with connectors at both ends, where wire members are positioned on sheet members to facilitate easy electrical connections between the strings, allowing for a specific positional relationship that simplifies the assembly process and eliminates the need for precise alignment and placement of individual solar cell strings.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Shape
If solar cell strings are disposed with spaces interposed between them to form a blind-like shape for improved designability, then the aesthetic appearance and light transmission are improved, but the assembly work becomes troublesome and complex
Solution Approach 1:
The solar cell module is divided into multiple independent solar cell strings that can be manufactured separately and then assembled together. Each string consists of multiple solar cells connected in series, and the strings are disposed with spaces between them to form the blind-like shape while maintaining ease of assembly through standardized connection interfaces
Solution Approach 2:
Wire members are introduced as intermediary elements to connect the solar cell strings. The wire members extend between adjacent solar cell strings and are connected to terminals on each string, facilitating electrical connection while allowing the strings to be positioned with spaces between them for the desired blind-like appearance
2Reliability
If connectors are provided at both ends of solar cell strings with wire members for electrical connection, then the electrical connectivity is improved, but the positioning and alignment requirements increase assembly complexity
Solution Approach 1:
Connectors and wire members are pre-assembled into sub-semblies before the final module assembly. The wire members are connected to terminals on solar cell strings in advance, so that during module assembly, only simple connection operations are needed rather than precise positioning and alignment of multiple components simultaneously
Solution Approach 2:
The solar cell module uses repeated identical units (solar cell strings with connectors and wire members) that can be assembled in a standardized manner. The blind-like structure consists of multiple copies of the same basic unit disposed with spaces between them, reducing assembly complexity through repetition of a proven connection pattern
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 configuration enables easier and more efficient assembly of solar cell modules by allowing for straightforward electrical connections between solar cell strings, reducing the complexity and time required for assembly while maintaining a see-through design.
Implementation Method 1
the solar cell strings generate electricity
Data Source
AI summary
Each of at least three solar cell strings has a first end and a second end in a first direction each including a connector. At the first end and the second end, a wire member is provided to which the connector of the first end of each of at least two solar cell strings out of the at least three solar cell strings and the connector of the second end thereof are connected. A first sheet member is provided to allow the wire member at the first end to be located in a specific positional relationship with the wire member at the second end, and a second sheet member is provided to allow the wire member at the second end to be located in a specific positional relationship with the wire member at the first end.