Magnetic Grounding Clamp for Pipe Safety
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Solution Overview
Problem
Utility workers are exposed to stray electrical current while performing tasks on metallic pipes due to inadequate grounding systems, which are difficult to implement and require significant setup time, posing a risk of electrical shock.
Innovation Solution
A temporary electrical bonding/grounding system utilizing a magnet assembly with multiple arcuate surfaces to securely attach to conductive members and pipes of varying diameters, allowing stray electrical current to bypass the work area through a conductive cable, ensuring safe operation during welding and pipe maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional grounding systems are used, then electrical safety is provided, but the system is difficult to implement and requires significant setup time
Solution Approach 1:
The grounding system is divided into separate modular components: a grounding clamp that attaches to the pipe, a flexible grounding cable, and a grounding rod or bus bar. This segmentation allows each component to be independently handled and quickly assembled, reducing setup time while maintaining safety
Solution Approach 2:
The patent replaces complex mechanical fastening systems with magnetic attachment mechanisms. The grounding clamp uses strong magnets to securely attach to metallic pipes without requiring bolts, nuts, or welding, enabling rapid installation and removal while ensuring reliable electrical contact
2Reliability
If grounding systems are made more secure, then electrical protection is improved, but the complexity of the system increases
Solution Approach 1:
The grounding clamp is designed to be self-adjusting and self-securing. The magnetic attachment automatically adapts to different pipe diameters and positions, eliminating the need for complex adjustment mechanisms or multiple sized components. The system serves itself by using the magnetic field to both attach and secure the connection
Solution Approach 2:
The grounding clamp is designed as a universal component that can attach to various sizes of metallic pipes using the same magnetic mechanism. The flexible grounding cable can accommodate different routing requirements, and the system can be used for both temporary and permanent grounding applications, reducing the need for multiple specialized components
3Loss of time
If the grounding system is made portable and easy to transport, then setup time is reduced, but the grounding capability may be compromised
Solution Approach 1:
The grounding system uses a flexible grounding cable instead of rigid conductors. This flexible cable can be easily coiled and stored in a compact case, making the system highly portable. The flexibility also allows the cable to adapt to various pipe positions and routing requirements, maintaining effective grounding capability while enabling rapid deployment
4Adaptability or versatility
If the grounding system accommodates pipes of varying diameters, then versatility is improved, but the attachment mechanism becomes more complex
Solution Approach 1:
The grounding clamp incorporates a dynamic magnetic attachment mechanism that automatically adjusts to different pipe diameters. The magnetic force distributes across the contact surface, allowing the same clamp design to securely attach to pipes ranging from small residential lines to large industrial mains without requiring size-specific components
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 system effectively prevents electrical shocks by routing stray currents away from the work area, allowing for efficient and safe completion of welding and maintenance tasks while minimizing setup time and effort.
Implementation Method 1
a magnet assembly with multiple arcuate surfaces to securely attach to conductive members and pipes
Data Source
AI summary
A system and apparatus for providing a temporary electrical bonding/grounding connection between a first conductive member and a second conductive member. The apparatus includes an electrically conductive cable having first and second ends. At least one magnet assembly is provided for mounting to the first conductive member. The at least one magnet assembly has multiple arcuate surfaces of different radiuses of curvature, with respective surfaces of the multiple arcuate surfaces being configured to properly mount to a respective arcuate surface of the first conductive member. A conductive coupling is provided on the at least one magnet assembly. The conductive coupling is configured to be electrically coupled to the first end of the cable. The second end of the cable is configured to be detachably and electrically coupled to the second conductive member.