Rotational Stabilizer for In-Line Switches
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Solution Overview
Problem
In-line disconnect switches and similar devices attached to conductors tend to rotate during the process of opening and closing, creating safety issues due to the difficulty in aligning the switch handle properly with the conductor axis, which can prevent complete closure.
Innovation Solution
The integration of a rotational stability device, such as a gyroscope, into the switch frame to prevent or reduce rotation about the conductor axis, ensuring stable operation and easier handling during the opening and closing processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the switch is entirely supported by the conductors without additional stabilization, then the device complexity is reduced, but the switch rotates during operation making it difficult to close properly
Solution Approach 1:
A rotational stabilizer is introduced as an intermediary component between the switch frame and the conductors. This stabilizer prevents rotation of the frame about the conductor axis during switch operation, allowing the switch to close properly without requiring the service crew to manually stop rotation or position themselves in specific locations.
Solution Approach 2:
The stabilizer is implemented as a separate, modular component that can be attached to the switch frame independently. This segmentation allows the stabilization function to be added without redesigning the entire switch structure, maintaining simplicity while solving the rotation problem.
2Reliability
If the service crew positions themselves directly under the device to prevent rotation, then the switch can close properly, but safety issues arise due to the need for precise positioning
Solution Approach 1:
The rotational stabilizer enables the switch to stabilize itself automatically during operation. The stabilizer's design allows it to engage with the conductors in a way that naturally prevents rotation without requiring the service crew to manually intervene or position themselves in hazardous locations, making the system self-stabilizing.
3Ease of operation
If a rotational stabilizer is added to prevent frame rotation, then the ease of operation is improved, but the device complexity increases
Solution Approach 1:
The rotational stabilizer serves as an intermediary component that mediates between the switch frame and the conductors. It provides the necessary stabilization function while remaining a distinct, attachable component rather than integrating complexity into the core switch mechanism.
Solution Approach 2:
The stabilizer is designed to be dynamically engaged during switch operation. It allows normal switch movement while preventing rotation about the conductor axis, providing conditional stabilization only when needed during the closing operation.
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 rotational stability device minimizes rotational movement, making it easier and safer to manually close and open the switch, thereby reducing safety hazards and improving operational efficiency.
Implementation Method 1
preventing the frame from significantly rotating about an axis through the ends of the first and second electrical conductors while the electrical connection section is moved to the connection position comprising a gyroscope on the frame creating an artificial center of gravity
Data Source
AI summary
An in-line electrical conductor switch including a frame, an electrical connection section movably connected to the frame, and a rotational stability device. The frame includes first and second connection sections insulated from each other by an electrical isolation section. The first and second connection sections are configured to connect to respective ends of first and second electrical conductors. The switch is entirely supported by the first and second electrical conductors. The electrical connection section is movably connected to the frame between a first connected position and a second disconnected position. The rotational stability device is connected to the frame and adapted to reduce or prevent rotation of the frame about an axis through the ends of the electrical conductors during movement of the electrical connection section to the second disconnected position.