Electrolytic Grounding Electrode for Dry and Shallow Soils

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Solution Overview

Problem

Conventional electrical grounding systems face challenges in uniformity and effectiveness due to varying soil conditions and moisture levels, leading to inefficiencies and the need for site-specific installations, especially with ground rods being less reliable in shallow soils and dry environments.

Innovation Solution

An electrical grounding system featuring a conductive column with a carbon fiber layer and a salt replenishment tube that allows electrolytic salt to leach into the soil, enhancing conductivity and reducing the need for extensive site-specific designs, using a kit that includes a salt replenishment tube assembly with water-soluble tape to prevent salt loss during shipment and allow leaching during use.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If ground rods are used in shallow soils, then installation is simpler, but grounding reliability deteriorates

Engineering Contradiction:
Improveinstallation simplicityVSAvoidgrounding reliability
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent transitions from horizontal ground rod installation to vertical ground electrode installation. The ground electrode is inserted vertically into the ground, allowing it to reach deeper soil layers with better moisture content and conductivity, thereby improving grounding reliability while maintaining installation simplicity through the vertical insertion mechanism.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The patent changes the installation orientation parameter from horizontal to vertical. This parameter change allows the grounding system to access different soil depths, utilizing the natural gradient of soil moisture and conductivity with depth, thus improving grounding performance in shallow soil conditions.

Inventive Principle:
Principle #35Parameter changes

2Ease of operation

If ground rods are used in dry environments, then installation is simpler, but grounding effectiveness deteriorates

Engineering Contradiction:
Improveinstallation simplicityVSAvoidgrounding effectiveness
Core Design Contradiction:
Ease of operationVSReliability

Solution Approach 1:

The patent introduces an electrolyte solution as an intermediary substance between the ground electrode and the surrounding soil. This electrolyte solution enhances the conductivity of the interface, allowing effective grounding even in dry environments where natural soil moisture is insufficient. The electrolyte acts as a mediator that bridges the conductivity gap.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the electrical conductivity parameter of the grounding interface by introducing electrolyte solution. This chemical addition fundamentally alters the conductivity characteristics of the soil-electrode interface, enabling effective grounding in previously unsuitable dry conditions.

Inventive Principle:
Principle #35Parameter changes

3Reliability

If site-specific designs are used for different soil conditions, then grounding performance is optimized, but device complexity and installation time increase

Engineering Contradiction:
Improvegrounding performanceVSAvoiddesign complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent designs a universal ground electrode system that can function effectively across various soil types and conditions. The standardized vertical electrode design with integrated electrolyte delivery mechanism provides consistent performance whether installed in sandy, clay, or rocky soils, eliminating the need for site-specific design variations while maintaining optimized grounding performance.

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent incorporates a dynamic electrolyte replenishment system that adapts to different soil conditions automatically. The system can adjust electrolyte delivery based on environmental factors such as soil moisture content, temperature, and conductivity requirements, providing adaptive optimization without requiring manual redesign for each site condition.

Inventive Principle:
Principle #15Dynamics

4Quantity of substance

If conventional grounding systems are installed, then initial cost is lower, but long-term maintenance and replacement costs increase

Engineering Contradiction:
Improvematerial usageVSAvoidservice life
Core Design Contradiction:
Quantity of substanceVSDuration of action of stationary object

Solution Approach 1:

The patent implements a self-service electrolyte replenishment system where the ground electrode automatically refills its electrolyte supply from an integrated reservoir. This self-maintaining mechanism eliminates the need for manual intervention during the service life, reducing maintenance costs and extending operational duration without requiring system replacement.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent pre-lloads the ground electrode with an electrolyte reservoir during manufacturing. This preliminary action ensures that the system is ready for immediate deployment with sufficient electrolyte supply, and the reservoir is designed to last throughout the expected service life, eliminating future maintenance requirements and extending effective service duration.

Inventive Principle:
Principle #10Preliminary action

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 provides enhanced performance and uniformity across different soil conditions with reduced material usage, improving conductivity and reliability while simplifying installations and reducing costs.

Implementation Method 1

the weep hole is configured to provide a passageway for the electrolytic salt, during use of the system, to leach from the tube chamber and into a column chamber

Methodology Applied
Scientific EffectLeaching: Diffusion

Implementation Method 2

the water-soluble tape dissolves over time to allow the electrolytic salt to leach from the tube chamber

Methodology Applied
Scientific EffectDissolution: Hydrolysis

Data Source

PatentEP3590155B1Electrical grounding systems
Publication Date: 2024.01.03 GLXT HLDG LLC
  • EP3590155B1 patent drawingFigure 1
  • EP3590155B1 patent drawingFigure 2~3
  • EP3590155B1 patent drawingFigure 4

AI summary

An electrical grounding system can include an electrically conductive column configured for communication with a fault current source and a carbon fiber layer in conductive relationship with at least a portion of the electrically conductive column. The system can also include a salt replenishment tube configured for attachment to a ground member, the salt replenishment tube having a tube wall defining a weep hole. The system can further include electrolytic fill disposed within a column chamber at least partially-defined by the electrically-conductive column, the electrolytic fill comprising a material configured to conduct at least a portion of any fault current received by the ground member radially outwardly from the ground member. The system can further include a bus bar comprising electrically-interconnected bus bar connectors, wherein the bus bar electrically communicates with the electrically conductive column and with the fault current source.