Power Junction Box Cover Layout for Closed-Cover Parameter Adjustment
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Solution Overview
Problem
Existing power junction boxes occupy valuable installation space and require users to open covers to adjust electrical parameters, making adjustments inconvenient.
Innovation Solution
The adjustment module is positioned on the power chamber cover plate within the power chamber, allowing direct adjustment through holes without opening the cover plates, and the power chamber is separated from wiring chambers by a middle partition with mounting ports and isolating members for cable management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the adjustment module is installed on the inner side of the wiring chamber, then the adjustment function is integrated into the housing, but the wiring chamber space is occupied and the adjustment operation becomes inconvenient
Solution Approach 1:
The housing is divided into separate functional chambers: the power chamber for the adjustment module and the wiring chamber for cable management. This segmentation allows the adjustment module to be accessible from the outside through the power chamber cover plate while keeping the wiring chamber space available for cables, thus resolving the contradiction between integration and operational convenience.
Solution Approach 2:
The power chamber cover plate serves as an intermediary structure that provides external access to the adjustment module through adjusting holes. Users can adjust parameters by inserting tools through the holes in the closed cover plate without opening it, eliminating the need to access the adjustment module directly inside the housing while maintaining integration.
2Device complexity
If the adjustment module is shielded by the housing cover, then the housing structure is compact, but the user cannot directly determine the adjustment position and must open the cover for adjustment
Solution Approach 1:
The power chamber cover plate is designed with transparent or translucent portions that allow visual observation of the adjustment module's position and state through the cover. This enables users to directly determine the adjustment position without opening the cover, while the cover remains closed to maintain the compact housing structure and protect internal components.
Solution Approach 2:
The transparent cover plate acts as an intermediary that transmits visual information from the adjustment module to the user while physically separating and protecting the internal components. This allows the housing to remain compact and protective while providing direct visibility of the adjustment position.
3Volume of stationary object
If the adjustment module is placed inside the power chamber on the cover plate, then the wiring chamber space is preserved and adjustment can be done with closed covers, but the adjustment module must be electrically connected to the circuit board through the cover plate
Solution Approach 1:
The electrical connection system is segmented into separate components: adjustment terminals on the circuit board, adjustable resistors on the adjustment module, and corresponding terminal holes in the power chamber cover plate. This segmentation allows flexible wiring arrangements in the wiring chamber while maintaining accessible adjustment functionality through the cover plate.
Solution Approach 2:
The power chamber cover plate serves multiple functions: it provides structural closure for the power chamber, contains adjusting holes for external access to the adjustment module, and provides mounting locations for electrical terminals that connect to the circuit board. This multi-functionality reduces the need for additional components while preserving wiring chamber space.
Data Source
AI summary
The present disclosure discloses a power junction box with an adjustment module, aiming to provide a power junction box that saves installation space and can directly adjust electrical parameters. The power junction box includes a main body, which is internally provided with a power chamber and wiring chambers, wherein the power chamber is internally provided with a circuit board; a power chamber cover plate and a wiring chamber cover plate are disposed on the main body and are respectively configured to cover the power chamber and the wiring chambers; and the power chamber cover plate is provided with the adjustment module and adjusting holes, the adjustment module is located inside the power chamber and is electrically connected to the circuit board, and the adjusting holes correspond to the adjustment module. The present disclosure is applied to the technical field of power junction boxes.