Modular Wildlife Guard Apparatus for Insulator Protection
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Solution Overview
Problem
Wildlife such as squirrels and birds can form electrical short circuits between high voltage power equipment and earth potential, leading to fatal consequences for both the wildlife and equipment, due to the lack of effective insulation in power distribution lines and associated insulators.
Innovation Solution
A wildlife guard apparatus comprising guard assemblies with a rigid guard member and a softer base wall member, forming an enclosure around the insulator body to prevent direct contact between wildlife and high voltage equipment, with the guard member and base wall member being made of different materials to ensure structural integrity and compatibility with the insulator.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a wildlife guard is installed to prevent wildlife from bridging high voltage equipment and earth potential, then safety and reliability are improved, but device complexity and installation difficulty increase
Solution Approach 1:
The wildlife guard is divided into multiple guard assemblies, each comprising a guard member and a base wall member. These modular segments can be individually installed around the insulator body, allowing the complex protection function to be achieved through simple, repeatable units rather than a single complex structure.
Solution Approach 2:
The guard assemblies are designed to be positioned around the insulator body in a nested arrangement, with each assembly enclosing a portion of the insulator. This nesting approach allows multiple protection layers to be implemented without significantly increasing overall device complexity, as each unit follows the same simple design pattern.
2Strength
If the guard member is made of rigid material for structural integrity, then strength is improved, but compatibility with softer insulator materials deteriorates
Solution Approach 1:
The base wall member is specifically designed with a softer material property than the guard member, creating a localized quality difference. The softer base wall member contacts the insulator body, providing compatibility and preventing damage, while the harder guard member provides the necessary structural integrity and rigidity for the overall assembly.
Solution Approach 2:
The guard assembly combines two different materials with complementary properties: a rigid material for the guard member providing strength and structural integrity, and a softer material for the base wall member providing compatibility with the insulator. This composite approach allows both conflicting requirements to be satisfied simultaneously within the same assembly.
Data Source
AI summary
A wildlife guard apparatus for an electrical insulator body includes at least one guard assembly. Each guard assembly includes a guard member and a base wall member secured to the guard member. The at least one guard assembly is configured or configurable to form an enclosure defining a chamber. In the enclosure configuration, the at least one guard member defines an end opening communicating with the chamber and the at least one base wall member extends across the end opening to close at least a portion thereof. The enclosure is configured to receive the insulator body such that the insulator body includes a first portion and a second portion, the first portion extending through the end opening and adjacent the at least one base wall member, and the second portion being disposed in the chamber. The at least one guard member is formed of a first material and the at least one base wall member is formed of a second material that is softer than the first material.