Modular PV Terminal Assembly for Compact Hermetic Channel Expansion
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Solution Overview
Problem
The existing PV terminal assemblies have a fixed number of channels, limiting their extensibility and compatibility, and occupy more space due to hermetic connections, making them less versatile and efficient in photovoltaic power generation systems.
Innovation Solution
A PV terminal assembly with a mounting frame that allows adjustable channel configurations, featuring detachable PV terminals and a guide rail or structural mounting holes, integrated sensors, and a compact design that reduces overall device volume.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If PV terminals are hermetically connected with the cabinet through sealing members, then sealing reliability is improved, but the distance between adjacent fixing holes must be large, resulting in large device volume
Solution Approach 1:
The patent merges multiple PV terminals onto a single mounting frame, allowing adjacent terminals to share common sealing structures. This consolidation enables hermetic sealing to be achieved across multiple terminals without requiring proportionally larger distances between fixing holes, thus reducing overall device volume while maintaining sealing reliability.
2Ease of manufacture
If the number of channels of PV terminals is settled and unadjustable, then manufacturing simplicity is improved, but extensibility and compatibility deteriorate
Solution Approach 1:
The patent segments the PV terminal system into modular components: a mounting frame that can accommodate different numbers of PV terminals, and individual PV terminals that can be independently configured. This segmentation allows the system to be manufactured with standardized components while enabling flexible configuration to achieve different channel numbers, thus improving both manufacturing simplicity and adaptability.
Solution Approach 2:
The mounting frame is designed as a universal platform that can accommodate different numbers and types of PV terminals. This universal design allows the same basic structure to serve multiple functions and configurations, improving manufacturing simplicity through standardization while enhancing extensibility and compatibility through flexible arrangement options.
3Ease of operation
If each PV terminal is separately mounted in fixing holes, then mounting simplicity is improved, but the space occupied by PV terminals is large, resulting in large device volume
Solution Approach 1:
The patent combines multiple PV terminals onto a single mounting frame, which is then mounted as one integrated unit. This merging approach maintains mounting simplicity by treating the multi-terminal assembly as a single component while dramatically reducing the total space occupied compared to separately mounted terminals, thus solving the volume problem without sacrificing ease of installation.
Data Source
AI summary
A PV terminal assembly includes a mounting frame and at least one PV terminal. The mounting frame is provided with mounting positions used for fixing PV terminals, and there are at least two mounting positions, so that at least two PV terminals can be integrated on the mounting frame. The number of PV terminals on the whole PV terminal assembly can be adjusted by adjusting the number of PV terminals on the mounting frame. An electrical device includes the PV terminal assembly.