Modular Louvered Barrier for Grid Equipment Ballistic Protection
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Solution Overview
Problem
High value facilities such as electrical grid equipment and communication towers face increasing ballistic threats from firearms, shrapnel, and other projectiles, requiring an effective, efficient, and economical protection solution.
Innovation Solution
A modular anti-ballistic barrier assembly comprising prefabricated steel louvered panel units stacked on I-beam support columns, allowing for customizable and fast deployment without the need for cranes, utilizing angled louvers to deflect projectiles and ensure air flow, with support columns mounted to concrete footings for stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional ballistic barriers are used to protect high value facilities, then protection against ballistic threats is provided, but construction time and cost increase significantly
Solution Approach 1:
The barrier system is divided into modular panel units that can be independently manufactured and assembled. Each panel unit contains pre-configured louvers and support structures, allowing rapid on-site assembly without extensive construction work. This segmentation enables the barrier to be constructed quickly while maintaining full ballistic protection capabilities.
Solution Approach 2:
The louvers and structural components are pre-assembled and pre-positioned within each panel unit during manufacturing. This preliminary action eliminates the need for complex on-site assembly operations, significantly reducing construction time while ensuring the barrier maintains its intended protective function.
2Reliability
If traditional ballistic barriers are used to protect high value facilities, then protection against ballistic threats is provided, but construction cost increases significantly
Solution Approach 1:
The barrier is segmented into standardized panel units that can be manufactured using efficient, repeatable processes. This standardization reduces manufacturing complexity and cost while maintaining consistent protective performance across all panels. The modular design allows for economies of scale in production.
Solution Approach 2:
The louver angle and spacing parameters are optimized to provide effective ballistic protection at standard, economically-manufacturable dimensions. By carefully selecting these parameters, the design achieves protection performance without requiring excessive material or complex geometry that would drive up costs.
3Reliability
If tall barrier structures are constructed to protect against ballistic threats, then protection coverage is improved, but risk of contact with overhead power lines increases
Solution Approach 1:
The barrier is constructed from stacked panel units that can be assembled to various heights as needed. This segmentation allows the barrier to be configured at optimal heights that provide adequate protection coverage while maintaining safe clearance from overhead power lines, avoiding the need for excessively tall single-structure barriers.
4Length of stationary object
If modular panel units are stacked to form tall barriers, then protection height is increased, but difficulty of assembly increases
Solution Approach 1:
The panel units are designed with interlocking features and alignment guides that simplify stacking operations. The standardized connection interfaces ensure proper alignment automatically during assembly, reducing the skill level and effort required. This allows tall barriers to be assembled efficiently using simple lifting equipment without requiring complex alignment procedures.
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 modular barrier effectively protects high value facilities by deflecting and dissipating projectile energy, reducing the risk of damage and ensuring continuous operation, while being cost-effective and easy to construct, avoiding the use of cranes to prevent contact with overhead power lines.
Implementation Method 1
angled steel louvers or slats... angled louvers to deflect projectiles
Data Source
AI summary
A modular ballistic barrier assembly for deployment in proximity to a protected high value asset such as electrical grid equipment. A ballistic barrier assembly comprises a plurality of prefabricated ballistic barrier panel units that can be stacked on top of each other. Each panel unit is made of spaced apart angled steel louvers or slats, arranged in one or more sections. The louvers are arranged in one or more vertically extending, spaced apart rows, having an outwardly facing row of louvers presenting a downwardly angled surface to an approaching projectile, and an inwardly facing row of louvers presenting a second layer of ballistics protection. Steel I-beam support columns are provided at spaced apart intervals to receive and support a stack of panel units. The panel units are made to interlock with vertically adjacent, stacked panels, so that multiple panel units can be stacked.