Photovoltaic Wiring Structure With Quick-Connect EMC Layout
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Solution Overview
Problem
Existing photovoltaic systems face challenges with the routing of wires inside electronic devices, which can damage components, increase device size and cost, and affect electromagnetic compatibility (EMC).
Innovation Solution
A wiring structure that includes a first terminal directly connected to the electronic component within the housing, and a second terminal with a quick-connecting terminal and an electrical connection module. This configuration allows for secure and compact electrical connections between electronic devices or with external circuits, minimizing internal wiring and enhancing EMC.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If wires are routed inside the box, then electrical connection between terminals is achieved, but the wire diameter and support structure occupy layout space increasing device size
Solution Approach 1:
The patent extracts the wire routing function from the internal box space by providing wires that extend from the box through openings. The wires are routed externally rather than being confined inside the box, thereby freeing up internal space while maintaining electrical connectivity between terminals.
Solution Approach 2:
The patent transitions the wire routing from a two-dimensional internal path to a three-dimensional external path by extending wires through box openings. This dimensional change allows wires to connect terminals without occupying valuable internal layout space, effectively resolving the space constraint.
2Reliability
If wires are routed inside the box, then electrical connection is established, but support structures are needed to ensure safe distance from components increasing device complexity
Solution Approach 1:
The patent removes the need for internal support structures by extracting the wire routing to external paths through box openings. Wires are positioned outside the box where they naturally maintain safe distances from sensitive internal components without requiring additional support infrastructure.
Solution Approach 2:
The box openings serve as intermediaries that facilitate wire passage from the external environment to internal terminals. This intermediary structure eliminates the need for complex internal support systems by providing a straightforward transmission path for wires through the box walls.
3Reliability
If wires are routed inside the box, then electrical connection is achieved, but electromagnetic compatibility (EMC) of electronic devices is affected
Solution Approach 1:
The patent extracts wires from the internal box environment to external routing paths. This separation removes potential sources of electromagnetic interference from the sensitive internal electronic components, thereby improving electromagnetic compatibility while preserving electrical connectivity through external wire paths.
4Power
If wire diameter is large, then current carrying capacity is improved, but more support structure is needed increasing device size and cost
Solution Approach 1:
The patent extracts large-diameter wires from the internal box space to external routing paths. This allows the use of thick wires with high current carrying capacity without compromising internal device layout, as the wires traverse externally where they do not constrain internal component placement.
Data Source
AI summary
A wiring structure and a photovoltaic system are provided in the present application. The wiring structure is used to electrically connect two electronic devices or to electrically connect one electronic device with an external circuit. The electronic device includes a housing and an electronic component located inside the housing. The wiring structure comprises a first terminal, which is provided on the housing and electrically connected to the electronic component; and a second terminal, which includes a quick-connecting terminal and an electrical connection module that are electrically connected to each other. The quick-connecting terminal is connected to the first terminal, and the electrical connection module is configured to electrically connect the electronic device or the external circuit. The technical solution of the present application can facilitate the electrical connection between electronic devices, reduce the size and the cost of the electronic devices, and improve the EMC (electromagnetic compatibility) of electronic devices.