Hollow Ring Seating Indicator for Loadbreak Connectors
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Solution Overview
Problem
Existing seating indicators for high-voltage loadbreak and deadbreak connectors are difficult to view from a distance, making it challenging to determine if a proper connection is made due to their low visibility.
Innovation Solution
A radially extending, hollow, and brightly colored O-ring seating indicator made from elastomeric materials is installed on the transition shoulder of a loadbreak bushing insert, which compresses and extends outwardly when the elbow connector is properly installed, providing clear visual indication of a secure connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a traditional indicator band is used on the loadbreak bushing insert, then the connection status can be indicated, but the indicator is difficult to view from a distance of 8 to 10 feet or more
Solution Approach 1:
The O-ring seating indicator uses a brightly colored elastomeric material (such as red, orange, yellow, green, or blue) that provides high visual contrast and is easily viewed from a distance. The color property enhances the visibility of the indicator band, allowing inspectors to clearly see the connection status from 8 to 10 feet or more away.
Solution Approach 2:
The O-ring extends radially outwardly from the bushing insert body, creating a three-dimensional protruding indicator rather than a flat two-dimensional band. This radial extension adds vertical dimension to the indicator, making it more prominent and easier to detect from a distance, thereby resolving the visibility issue.
2Stability of the object's composition
If the O-ring is made solid, then it provides structural stability, but it does not deform easily to extend radially outwardly for clear visual indication
Solution Approach 1:
The O-ring is constructed with hollow internal structure instead of solid material, fundamentally changing the density and structural parameters. This hollow configuration reduces material density while maintaining outer dimensions, enabling the O-ring to deform more easily under compression and extend radially outwardly to provide clear visual indication of proper connector installation.
Solution Approach 2:
The O-ring is made from elastomeric material that combines the properties of flexibility and resilience. The elastomeric composition allows the hollow O-ring to deform under compression during installation while maintaining structural integrity, and then return to its original shape to provide a visible indication of proper connection.
3Strength
If the O-ring thickness is increased, then it provides better sealing and structural support, but it becomes less flexible and harder to deform for indication
Solution Approach 1:
The O-ring has an optimized thickness parameter ranging from about 0.125 inches to about 0.75 inches, with a preferred range of 0.25 inches to 0.50 inches. This specific thickness parameter provides the optimal balance between structural support and sealing capability while maintaining sufficient flexibility for deformation during installation and proper indication.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The O-ring seating indicator ensures easy visibility from a distance, providing a positive indication of proper connection and loose connections, enhancing safety and reliability by being easily visible even at long distances and across varying temperatures.
Implementation Method 1
a substantially round, elastic O-ring having a body and an opening, wherein the O-ring is installed on the transition shoulder portion of a loadbreak bushing insert, and wherein the O-ring extends radially and outwardly from the bushing insert when an elbow connector is properly installed thereon
Data Source
AI summary
A seating indicator for loadbreak connectors and deadbreak connectors that includes a substantially round, elastic O-ring having a body and an opening, wherein the O-ring is installed on the transition shoulder portion of a loadbreak bushing insert, and wherein the O-ring extends radially and outwardly from the bushing insert when an elbow connector is properly installed thereon. The O-ring can be hollow so that it will more easily deform and can be made from an elastomeric material in easily viewable colors.