Magnetic Switchgear Tool Support for Safe Rack-in Operations
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Solution Overview
Problem
Existing supporting devices for Medium Voltage switchgears require modifications and are limited in applicability across different switchgear types, leading to safety risks during rack-in/rack-out operations due to unclear position signals and the need for dedicated systems for each specific switchgear/circuit breaker or contactor combination.
Innovation Solution
A supporting device with adjustable connection elements and magnetic fixing devices that can be easily mounted on the switchgear front panel without modifications, allowing for flexible positioning and operation of tools like motorized drives for rack-in/rack-out operations, enabling remote control and adaptability across various switchgear configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a dedicated system is used for each specific switchgear/circuit breaker combination, then the reliability and precision of operation is improved, but the device complexity and adaptability worsen
Solution Approach 1:
The supporting device is designed with universal applicability to work with different types of switching apparatus (circuit breakers, contactors) and switchgear configurations. The device incorporates adjustable connection means that can be adapted to various mounting positions and dimensions, allowing a single device design to serve multiple functions across different applications rather than requiring dedicated systems for each combination.
Solution Approach 2:
The device employs adjustable and configurable parameters including variable connection point positions, adjustable mounting dimensions, and flexible positioning capabilities. These dynamic adjustments allow the device to adapt its configuration to match specific operational requirements while maintaining reliable operation, resolving the contradiction between standardized design and application-specific customization.
2Ease of operation
If the supporting device is fixed to the switchgear front panel, then the ease of operation is improved, but the switchgear requires modifications which increases device complexity
Solution Approach 1:
The supporting device utilizes the switchgear front panel's existing structural features and surfaces for mounting purposes. The connection means are designed to attach to the front panel without requiring drilling, cutting, or other modifications to the switchgear structure. The device essentially serves itself by using the existing panel geometry and material properties to achieve secure mounting.
3Object-affected harmful factors
If remote operation is implemented, then the safety of operators is improved, but the adaptability to different switchgear layouts worsens
Solution Approach 1:
The supporting device incorporates universally applicable connection means that can accommodate various front panel layouts and switching apparatus positions. The adjustable mounting dimensions and flexible positioning capabilities allow the device to adapt to different switchgear configurations while maintaining the remote operation interface, ensuring both safety and compatibility across diverse applications.
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 solution provides a safe, adaptable, and easily operable system for performing rack-in/rack-out operations on Medium Voltage switchgears, reducing the risk of operator injury and enabling operation across multiple switchgear types without the need for specific kits or modifications.
Implementation Method 1
a magnetic fixing device (70) comprising fixing magnets (70) adapted to be fixed on said switchgear front panel (61)
Data Source
AI summary
A supporting device for mounting tools on a switchgear front panel which includes a first, fixing, plate and a second, supporting, plate connected to each other and free to rotate with respect to each other in a first plane; a first locking device for locking the first, fixing, plate and the second, supporting, plate at selected angular position with respect to each other; a magnetic fixing device comprising fixing magnets adapted to be fixed on the switchgear front panel; an adjustable connection device connecting the fixing magnets to the first, fixing, plate and including a second locking device for locking the fixing magnets at different positions with respect to the first, fixing, plate; a third locking device for fixing a tool on the second, supporting, plate. A tool kit for a switchgear including a switchgear tool and a supporting device is also disclosed.