Expandable Shield Tool for Electrical Enclosure Safety
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Solution Overview
Problem
Electrical workers face hazards due to accidental contact with live circuits during installation or removal of electrical components, as they often manipulate these components with their hands or metal tools, leading to risks of shock and arc faults.
Innovation Solution
An electrical device shield tool with an expanding and contracting mechanism and grooves on its sides to affix to metal enclosures, creating a barrier and preventing conductive contact, along with wire holder clips to secure wires and reduce accidental contact.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If electrical workers use their hands or metal tools to manipulate electrical components, then the ease of operation is improved, but the risk of accidental contact with live circuits and arc faults increases
Solution Approach 1:
The patent introduces a non-conductive tool as an intermediary between the electrical worker and the electrical components. This tool allows workers to manipulate components without direct hand or metal tool contact, thereby preventing accidental contact with live circuits while maintaining operational ease
Solution Approach 2:
The patent applies preliminary protective measures by providing specialized non-conductive tools before any electrical work begins. These tools are designed with features that prevent accidental contact with live circuits, addressing the harmful factor before it can manifest during the electrical work process
2Ease of operation
If electrical components are installed or removed without protective barriers, then the ease of operation is improved, but the risk of unintended contact between conductors increases
Solution Approach 1:
The non-conductive tool serves as a protective intermediary that physically separates conductors during installation and removal operations. The tool's design includes features that prevent unintended contact between conductors while allowing workers to manipulate components easily
Solution Approach 2:
The patent implements protective barriers before any hazardous contact can occur. The non-conductive tool is positioned and secured to provide continuous protection throughout the installation or removal process, preventing conductor contact before it can happen
3Device complexity
If traditional manual handling methods are used, then the device complexity is minimized, but the safety and reliability of electrical operations deteriorates
Solution Approach 1:
The non-conductive tool introduces a specialized intermediary device that, while adding some complexity to the toolset, dramatically improves safety and reliability. The tool's design balances complexity with ease of use, providing robust protection without requiring complex operating procedures
Data Source
AI summary
Embodiments disclosed herein include devices and methods for shielding an electrical device. The electrical device shield tool may include an expanding and contracting mechanism; and a body coupled to the expanding and contracting mechanism. The body can include a first half slidably coupled to a second half that are capable of movement, as the body expands to increase an opening with respect to a movement of the expanding and contracting mechanism. Furthermore, the electrical device shield tool can include grooves, that receive protruding edges of the metal enclosure to affix the body to the metal enclosure and form a barrier for the electrical device from the metal enclosure.