Half-Cell Assembly Layout With Integrated Junction Box
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Solution Overview
Problem
Current half-cell assemblies require split junction boxes due to mounting limitations, which restrict the integration of multiple functions and increase costs when more functions are needed.
Innovation Solution
An integrated junction box connects multiple cell string sets in series, with half-cells arranged in specific directions to facilitate parallel connection with diodes, allowing for the integration of multiple functions at a lower cost while maintaining compatibility with conventional production lines and electrical equipment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If split junction boxes are used due to mounting limitations, then the assembly can be manufactured with conventional methods, but the integration of multiple functions is restricted and costs increase when more functions are needed
Solution Approach 1:
The patent combines multiple previously separate components (junction box, mounting structure, electrical connections) into a single integrated junction box assembly. This merging allows multiple functions to be achieved within one component, resolving the contradiction between functional integration and structural complexity.
Solution Approach 2:
The integrated junction box is designed to perform multiple functions simultaneously: electrical connection, mounting support, and structural integration. This multi-functionality directly addresses the limitation of split junction boxes that could only perform single functions, thereby improving adaptability without proportionally increasing complexity.
2Adaptability or versatility
If an integrated junction box is used to integrate multiple functions, then functionality and cost-efficiency improve, but compatibility with conventional mounting methods may be compromised
Solution Approach 1:
The integrated junction box is designed with modular internal structures that can be manufactured using conventional methods. The segmentation of internal components allows for standardized manufacturing processes while achieving external integration, thus maintaining ease of manufacture alongside functional integration.
Solution Approach 2:
The design adjusts physical parameters such as mounting hole positions, connection terminal configurations, and structural dimensions to ensure compatibility with conventional mounting standards. By optimizing these parameters, the integrated junction box maintains compatibility with existing manufacturing and installation processes.
3Power
If multiple cell string sets are connected in series with increased diode quantity, then electrical performance and power output improve, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The patent employs an asymmetric arrangement of cell string sets and diodes optimized for half-cell configurations. Instead of symmetric traditional designs, the asymmetric layout allows for efficient series connections that maximize power output while minimizing the number of required diodes and connection points, thus reducing overall complexity.
Solution Approach 2:
The patent utilizes a multi-dimensional arrangement of cell strings and diodes, organizing them in series along different spatial dimensions. This dimensional organization allows for increased power output through series connections while maintaining manageable complexity through systematic spatial arrangement rather than random or overly complex configurations.
Data Source
AI summary
A half-cell assembly includes an integrated junction box and multiple cell string sets connected in series sequentially. Each cell string set includes multiple cell strings connected in parallel, and each cell string includes multiple half-cells connected in series sequentially. The multiple cell string sets are arranged along a first preset direction. In each cell string set, the multiple cell strings are arranged along the first preset direction. In each cell string, the multiple half-cells are arranged along a second preset direction. One of the first preset direction and the second preset direction is the long side direction of the half-cell, and the other is the short side direction of the half-cell. The integrated junction box and the multiple cell string sets are arranged along the second preset direction. The multiple cell string sets are connected in parallel with diodes of the integrated junction box.