Movable Cover Mounting Assembly for Cable Arcing Protection
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Solution Overview
Problem
Existing mounting assemblies for cables on electrically conductive structures, such as airplane fuselages, lack adequate protection against electric arcing or short-circuits when insulating caps are not properly mounted, as they may not ensure a barrier between the cable and metallic mounting elements.
Innovation Solution
A mounting assembly comprising a movable cover and bracket system, where the cover changes access to receptacles based on positions, ensuring that cable holding devices block direct paths between cables and mounting elements only when the cable is securely attached, utilizing insulating materials like plastic and injection molding for production.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If insulating caps are mounted on metallic mounting elements, then protection against electric arcing or short-circuits is improved, but the complexity of the mounting assembly increases and the ease of operation deteriorates due to additional mounting steps
Solution Approach 1:
The patent combines the insulating cap and the cable holding device into a single integrated component. The cable holding device is formed as one piece with the insulating cap, eliminating the need for separate insulating caps while maintaining electrical isolation protection. This merging resolves the contradiction by preserving reliability through integrated insulation while simplifying operation to a single mounting step.
Solution Approach 2:
The mounting element is designed to perform multiple functions simultaneously: it provides mechanical attachment to the conductive structure, holds the cable through the integrated cable holding device, and provides electrical isolation through the integrated insulating cap. This multi-functionality resolves the contradiction by consolidating protection and mounting operations into a single universal component.
2Ease of operation
If insulating caps are not mounted during assembly, then the ease of operation is improved by simplifying the mounting process, but the reliability deteriorates due to potential direct contact between damaged cables and metallic mounting elements
Solution Approach 1:
The insulating cap is pre-integrated with the cable holding device during manufacturing, creating a single assembled unit before installation. This preliminary action ensures that electrical isolation protection is already in place and cannot be omitted during the mounting process, resolving the contradiction by making protection automatic while maintaining operational simplicity.
Solution Approach 2:
The integrated insulating cap acts as an intermediary barrier between the cable and the metallic mounting element. By embedding this intermediary protection within the cable holding device itself, the patent ensures that protection is inherently present without requiring separate mounting actions, thus maintaining both simplicity and reliability.
3Adaptability or versatility
If a fixed cover design is used, then the device complexity is reduced, but the adaptability deteriorates as the cover cannot accommodate different mounting positions or cable configurations
Solution Approach 1:
The cover is designed with movable characteristics, allowing it to be positioned in different locations along the mounting bracket. This dynamic positioning capability enables the cover to adapt to various mounting positions and cable configurations while maintaining a relatively simple overall structure, resolving the contradiction between adaptability and complexity.
Data Source
AI summary
A mounting assembly for mounting a cable on an electrically conductive structure comprises a mounting bracket and a cover mounted on the mounting bracket and movable with respect to the mounting bracket between a bracket mounting position and a cable mounting position. The mounting bracket has a mounting element receptacle and a cable holding device receptacle. The mounting element receptacle receives a mounting element that attaches the mounting bracket to the electrically conductive structure. The cable holding device receptacle receives a cable holding device that holds the cable. The mounting element receptacle is accessible from a cover side of the mounting bracket and the cable holding device receptacle is covered by the cover in the bracket mounting position. The mounting element receptacle is covered by the cover and the cable holding device receptacle is accessible from the cover side of the mounting bracket in the cable mounting position.