Universal PV Laminate With Replaceable Plug-In Electronics
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Photovoltaic (PV) modules face a mismatch in lifespan between the panels and the electronics, with electronics becoming obsolete due to rapid technological evolution, leading to communication and functionality issues over the module's lifetime, necessitating a solution for field replaceability and compatibility with evolving technologies.
Innovation Solution
A universal laminate and junction box configuration that allows for plug-and-play electronics, enabling easy replacement and compatibility with various electronics modules, including microinverters and voltage clipping devices, while minimizing manufacturing complexities and ensuring long-term functionality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If electronics are integrated into PV modules, then functionality and power conversion are improved, but electronics become obsolete due to rapid technological evolution
Solution Approach 1:
The PV module is divided into separate functional components: the PV cells are separated from the electronics (microinverter, voltage clipping device, etc.). The electronics are mounted on a separate rack or structure adjacent to the PV cells, connected via cables. This segmentation allows the electronics to be independently replaced without replacing the entire PV module, resolving the contradiction between needing modern electronics for functionality and maintaining long-term operation of the PV cells.
Solution Approach 2:
The system is designed to be dynamically upgradable. The electronics components can be replaced, upgraded, or modified independently of the PV cells based on technological advancements or performance needs. This dynamic approach allows the system to adapt to changing technological requirements while maintaining the long-lived PV cell array, addressing the obsolescence issue.
2Ease of manufacture
If electronics are permanently integrated into PV modules, then manufacturing is simplified, but field replacement and maintenance become difficult
Solution Approach 1:
By segmenting the electronics from the PV module structure and mounting them on a separate rack, the system maintains manufacturing simplicity (electronics are still integrated into the overall system) while enabling easy field replacement. The separate mounting allows technicians to access and replace electronics components without disassembling the entire PV module, resolving the contradiction between manufacturing ease and maintenance accessibility.
Solution Approach 2:
A separate rack or mounting structure acts as an intermediary between the PV cells and the electronics. This intermediary structure simplifies manufacturing by providing a standardized platform for electronics installation while simultaneously enabling easy field replacement and maintenance access, thus resolving the contradiction between manufacturing simplicity and repair ease.
3Adaptability or versatility
If different electronics modules are used with PV cells, then compatibility with various technologies is improved, but manufacturing complexity increases
Solution Approach 1:
The separate rack mounting structure is designed with universal compatibility to accommodate different types of electronics modules (microinverters, voltage clipping devices, power optimizers, etc.). This universal platform allows the same basic structure to support various technological implementations, achieving compatibility across different technologies while maintaining relatively simple and consistent manufacturing processes for the mounting infrastructure.
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 extends the lifespan of PV modules by allowing for field replacement of electronics, simplifies manufacturing, and ensures compatibility with future technologies, reducing the need for frequent module returns and enhancing operational efficiency.
Implementation Method 1
Photovoltaic (PV) cells, commonly known as solar cells, are devices for conversion of solar radiation into electrical energy. Generally, solar radiation impinging on the surface of, and entering into, the substrate of a solar cell creates electron and hole pairs in the bulk of the substrate.
Data Source
Figure 1
Figure 2~3
Figure 4~6
AI summary
A photovoltaic (PV) module can include a PV laminate, a frame coupled to a perimeter of the laminate, a junction box that includes a housing for an electrical connection between a plurality of PV cells of the laminate and a plurality of conductors, and an electronics enclosure coupled to the frame. In embodiments, the electronics enclosure can include electronic circuitry that is electrically coupled to the plurality of conductors and to another photovoltaic module.