Metal-Housed PV Optimizer Assembly for Heat Dissipation
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Solution Overview
Problem
Existing photovoltaic optimizers have complex structures, making them difficult to assemble and costly, with inadequate heat dissipation due to the use of plastic housings and the need for additional heat spreaders and sinks.
Innovation Solution
A photovoltaic optimizer with a printed circuit board housed in a metal housing with an end cover forming an accommodation cavity, allowing for effective heat dissipation through the metal housing, simplifying the structure and reducing assembly complexity and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a plastic housing with heat spreader and heat sink is used, then heat dissipation can be achieved, but the structure becomes complex and assembly becomes difficult
Solution Approach 1:
The patent merges the housing structure with the heat dissipation function by using a metal housing that directly serves as the heat sink. The housing is designed with heat dissipation fins integrated into its structure, eliminating the need for separate heat spreaders and heat sink components. This consolidation reduces structural complexity while maintaining effective heat dissipation from the photovoltaic optimizer components.
2Temperature
If a plastic housing with heat spreader and heat sink is used, then heat dissipation can be achieved, but assembly becomes difficult and costs increase
Solution Approach 1:
The housing and heat dissipation components are merged into a single integrated metal housing structure with built-in fins. This eliminates multiple assembly steps for installing separate heat spreaders and heat sinks, significantly simplifying the manufacturing process and reducing assembly time and costs while maintaining effective thermal management.
3Temperature
If a metal housing is used, then heat dissipation is improved, but the housing structure needs to be simplified
Solution Approach 1:
The metal housing is designed as an integrated structure that combines enclosure and heat dissipation functions. Heat dissipation fins are directly formed as part of the housing structure rather than being separate components, creating a unified design that simplifies the overall housing structure while maximizing heat dissipation efficiency.
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
The solution ensures good heat dissipation, simplifies assembly, and reduces costs, leading to a more efficient and cost-effective photovoltaic power generation system.
Implementation Method 1
heat generated by a device mounted on the printed circuit board is dissipated to the outside of the metal housing through the metal housing
Data Source
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AI summary
Embodiments of this application provide a photovoltaic optimizer and a photovoltaic power generation system. The photovoltaic optimizer includes a metal housing, a printed circuit board module, an end cover, and a cable. An input end of the cable is connected to the printed circuit board through at least one through hole. The photovoltaic optimizer has a simple structure and is easy to assemble. In addition, heat generated by a device mounted on the printed circuit board in the photovoltaic optimizer is dissipated to the outside of the metal housing through the metal housing.