Flexible Insulator Cover with Rigid Mounting Bracket for Wildlife Protection
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Solution Overview
Problem
High-voltage power distribution lines are vulnerable to electrical flashovers caused by birds or animals landing on or climbing onto the lines, leading to power outages and system disruptions.
Innovation Solution
A protective cover assembly for electrical power distribution lines, comprising a flexible cover body and a rigid mounting bracket with a retaining pin, designed to securely encase and protect horizontally oriented post insulators, preventing wildlife contact and ensuring reliable operation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a protective cover is provided to prevent wildlife contact with distribution lines, then reliability is improved, but device complexity increases
Solution Approach 1:
The protective cover is divided into a cover body and a separate mounting bracket assembly. The mounting bracket can be independently installed on the insulator, and the cover body is then placed over it. This segmentation allows for easier installation and maintenance while providing comprehensive protection against wildlife contact.
Solution Approach 2:
The mounting bracket is designed to be nested within or integrated with the cover body structure. The bracket fits into a cavity or mounting structure on the cover body, creating a compact integrated assembly that protects the distribution line while maintaining structural integrity.
2Strength
If the protective cover is made fully rigid for structural stability, then strength is improved, but adaptability to different insulator sizes deteriorates
Solution Approach 1:
The mounting bracket incorporates both rigid components (for structural stability and secure attachment to the insulator) and flexible components (such as adjustable arms or resilient mounting elements). This allows the bracket to maintain its position and provide stable support while adapting to different insulator diameters and shapes.
Solution Approach 2:
The mounting bracket includes adjustable or movable elements that can be configured to match different insulator sizes. For example, the bracket may have adjustable arm lengths, telescopic sections, or resilient mounting points that can be positioned to accommodate various insulator dimensions while maintaining secure attachment.
3Adaptability or versatility
If the protective cover is made fully flexible for adaptability, then adaptability to different insulator sizes is improved, but strength and structural stability deteriorate
Solution Approach 1:
The cover body is constructed with flexible materials in areas that need to conform to different insulator shapes, while incorporating rigid reinforcement elements (such as ribs, stiffening rings, or integrated mounting bracket attachments) in areas requiring structural stability and resistance to environmental forces.
Solution Approach 2:
The protective cover assembly combines materials with different mechanical properties - the cover body may use flexible, weather-resistant materials (such as rubber or flexible polymer) for adaptability, while the mounting bracket uses rigid materials (such as metal or rigid plastic) for secure attachment and structural support.
4Reliability
If a secure mounting mechanism is added to prevent cover displacement, then reliability is improved, but ease of operation deteriorates
Solution Approach 1:
The mounting mechanism is separated into distinct components (such as a bracket with separate fastening elements) that can be independently installed and adjusted. This allows the cover to be securely attached while maintaining the ability to easily disassemble the mounting components for cover removal or replacement.
Solution Approach 2:
The mounting bracket incorporates self-adjusting or self-securing features (such as spring-loaded fasteners, cam locks, or friction-fit connections) that automatically secure the cover in place during installation without requiring complex tools or procedures, while still allowing for easy release when needed for maintenance.
Data Source
AI summary
A protective cover assembly for an electrical power distribution line conductor mounted on a horizontally oriented post insulator includes an insulator cover and a retaining pin. The insulator cover includes a cover body defining an insulator cavity configured to receive the insulator and a mounting bracket integral with the cover body. The mounting bracket defines a bracket slot having a bottom entry opening configured to receive the horizontally oriented insulator to couple the cover body to the insulator. The retaining pin is configured to close off the bottom entry opening to secure the insulator cover to the insulator. The cover body is formed of a flexible first material and the mounting bracket is formed of a second material that is more rigid than the first material.