Modular Wiring Box Layout for Flexible Power Device Installation
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Solution Overview
Problem
Existing power device wiring systems lack flexibility and standardization, requiring custom fittings and installations that complicate the connection of multiple power devices in various configurations, leading to inefficiencies and potential structural instability.
Innovation Solution
A modular wiring box with a housing and cover that includes adjustable cut-outs, alignment tools, and securement features, allowing for multiple orientations and configurations to match different power devices, along with a ground bar and secure attachment to walls, facilitating flexible and standardized connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If custom fittings and off-the-shelf gutters are used for each system installation, then the wiring system can be adapted to specific power device configurations, but the installation complexity and time increase significantly
Solution Approach 1:
The wiring box is designed with multiple pre-configured cut-out patterns that can accommodate different power device configurations (single inverter, dual inverter, inverter with battery, etc.). This universal design eliminates the need for custom fittings for each configuration, as the same wiring box housing can adapt to various system setups through selective use of different cut-out patterns.
Solution Approach 2:
The cut-outs are pre-configured in the wiring box housing during manufacturing, with alignment features and drill hole guides pre-positioned to match standard power device locations. This preliminary preparation eliminates the need for onsite custom bending and fitting, reducing installation complexity while maintaining adaptability.
2Manufacturing precision
If fittings are custom-bent onsite to match fitting holes, then the connection can be precisely tailored to the power device layout, but the installation time and labor requirements increase
Solution Approach 1:
The wiring box is manufactured with pre-cut openings and pre-positioned alignment features that match standard power device fitting hole patterns. This preliminary action ensures precise alignment is achieved during manufacturing rather than during installation, eliminating the time-consuming onsite custom bending process while maintaining fitting alignment precision.
Solution Approach 2:
The wiring box acts as an intermediary component with standardized interfaces on one side (matching power devices) and connection interfaces on the other side (matching gutters). This intermediary design with pre-configured cut-outs serves as a mediator that standardizes the connection process, eliminating the need for custom fitting bending while ensuring precise alignment through its mediating role.
3Adaptability or versatility
If multiple custom fittings are used to accommodate different power device configurations, then various layouts can be supported, but the structural stability and mechanical strength decrease
Solution Approach 1:
The wiring box housing is designed as a universal structure with multiple pre-configured cut-out patterns that can accommodate different power device configurations. This single universal housing design maintains structural integrity while providing configuration flexibility, eliminating the need for multiple custom fittings that would compromise structural stability.
Solution Approach 2:
The housing is pre-engineered with reinforced structures around the cut-out areas and pre-positioned mounting features that maintain structural stability. The preliminary design ensures that even with multiple configuration options, the housing maintains its mechanical strength and structural integrity, unlike custom-bent fittings that may compromise stability.
4Productivity
If standardized cut-outs are used in the wiring box, then installation is simplified and time is reduced, but the adaptability to different power device configurations is limited
Solution Approach 1:
The wiring box incorporates multiple standardized cut-out patterns within a single housing design, each pattern optimized for different power device configurations (single inverter, dual inverter, inverter with battery, etc.). This universal design maintains installation efficiency through standardization while achieving broad configuration compatibility through the variety of pre-configured patterns.
Solution Approach 2:
The housing is segmented into different regions with different cut-out patterns, allowing selection of the appropriate pattern for the specific power device configuration. This segmentation enables the wiring box to maintain standardized installation processes for each configuration type while accommodating various system layouts, thus balancing productivity and adaptability.
Data Source
AI summary
A wiring box comprising a housing and a cover for electrically connecting between multiple power devices of a building is disclosed. The housing may include a ground bar for connecting the ground of multiple power devices. The housing may include cut-outs for fittings between the wiring box and the power devices. The cut-outs may be configured to allow different configurations of power devices, e.g., different size and shape of power devices at the same location on the housing. Different orientations may allow different spatial relationships between the power devices. For example, in a first orientation, an inverter may be positioned to the left of a backup interface unit above the wiring box, and in a second orientation, the inverter may be positioned to the right of the backup interface unit above the wiring box. The wiring box may include recesses for positioning drill hole alignment tools.