Conductive Base for Lightning Step Voltage Protection
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Solution Overview
Problem
Existing personal protection equipment against lightning-related events, such as rain gear and tents, often fail to provide adequate protection against step voltage and require uncomfortable positions, and lack earth connections, making them ineffective during outdoor events with a high risk of lightning strikes.
Innovation Solution
A collapsible, conductive base with a conductive coating, allowing for sitting, squatting, or standing, combined with a flexible cape for wind and rain protection, and an optional telescoping air-termination rod for earth connection, which can be easily carried and used to avoid step voltage and environmental hazards.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a metal mesh is integrated into clothing, tents or sleeping bags, then protection against lightning-related events is improved, but the device complexity and weight increase
Solution Approach 1:
The conductive base serves multiple functions: it provides lightning protection through step voltage equalization, acts as a comfortable seating surface, and can be integrated with other protective elements like the cape. This multi-functionality reduces the need for separate protective devices, thereby reducing overall device complexity while maintaining reliable protection.
Solution Approach 2:
The invention uses a thin conductive coating on a flexible base material instead of rigid metal mesh structures. This thin-film approach significantly reduces weight and simplifies the overall device construction while maintaining the electrical conductivity necessary for lightning protection.
2Reliability
If rain gear with conductive layers is worn to form a Faraday cage, then protection against direct lightning strikes is improved, but protection against step voltage is insufficient and the device complexity increases
Solution Approach 1:
The protective system is segmented into distinct functional components: the conductive base for step voltage protection and the conductive cape for direct strike protection. This segmentation allows each component to be optimized for its specific function, with the base providing a large conductive surface area for equalizing step voltage and the cape providing Faraday cage protection for direct strikes.
Solution Approach 2:
The invention merges the previously separate functions of step voltage protection and direct strike protection into a single integrated protective system consisting of the conductive base and conductive cape. This combination provides comprehensive protection against both types of lightning hazards while maintaining simplicity through the coordinated use of two specialized components.
3Object-affected harmful factors
If a base plate is used in a Faraday cage tent to prevent step voltage, then protection against step voltage is improved, but the person must assume uncomfortable sitting positions
Solution Approach 1:
The conductive base is designed to serve dual purposes: it provides step voltage protection through its conductive properties while simultaneously functioning as a comfortable seating surface. The base can be made from materials that are both electrically conductive and comfortable for prolonged contact, eliminating the need to choose between protection and comfort.
4Adaptability or versatility
If a collapsible conductive base is used for step voltage protection, then ease of transport and versatility are improved, but the area coverage may be reduced
Solution Approach 1:
The base is designed to be collapsible or rollable, allowing it to be compacted into a small portable form for easy transport and storage. When deployed, the base can be unfolded or unrolled to provide a large flat surface area sufficient for sitting, squatting, or lying down, thus dynamically adapting between compact storage and full functional area.
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 comprehensive protection against step voltage, wind, and weather, allowing for comfortable movement and easy evacuation while being compact and versatile, with additional features like thermal insulation and photovoltaic panels for emergency communication.
Implementation Method 1
a base made of a conductive material or a material having a conductive coating
Implementation Method 2
at least portions of the pad and/or the cloak can be formed as a flexible, photovoltaic panel
Data Source
AI summary
The invention relates to personal equipment for protecting against events attributable to lightning strikes, in particular for use outside objects provided with external lightning protection. According to the invention, there is provision for a foldable or rollable base made of a conductive material or a material having a conductive coating, which base has dimensions that, in the laid-out or rolled-out state, ensure that a person seeking protection is sitting, crouching, lying or standing on the base such that step voltages between body parts or extremities of the person are avoidable.