A-Frame Modular Protective Barrier for Substation Defense
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Solution Overview
Problem
Existing protective barriers for electrical power transformers and substations are often non-portable, expensive, non-repairable, and ineffective against ballistic and vehicular threats, requiring significant anchoring and excavation for maintenance, and are not easily repairable on-site.
Innovation Solution
A portable protective barrier system comprising A-frame structures with angled protective members that can be easily assembled and disassembled, allowing for on-site repair, and featuring a design that deflects projectiles without the need for ground anchoring, utilizing steel components and shock absorbers for stability and impact resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If concrete barriers are used to protect electrical power transformers, then protection effectiveness is improved, but portability and ease of repair deteriorate
Solution Approach 1:
The barrier system is divided into multiple modular panels that can be independently assembled and disassembled. Each panel contains protective members arranged in a grid pattern, allowing the barrier to be segmented into transportable units while maintaining overall protection effectiveness when assembled together.
Solution Approach 2:
The barrier system transitions from a static concrete structure to a dynamic, reconfigurable framework. The A-frame structures with adjustable legs and removable panels enable the barrier to be dynamically assembled, disassembled, and repositioned, providing both portability and sustained protection effectiveness.
2Reliability
If concrete barriers are used to protect electrical power transformers, then protection effectiveness is improved, but ease of repair deteriorates
Solution Approach 1:
The barrier is segmented into replaceable panels and modular components. When damage occurs, only the affected panel or component needs to be replaced rather than the entire structure, significantly improving ease of repair while maintaining protection effectiveness through the modular design.
Solution Approach 2:
Damaged panels or components can be quickly removed and replaced with new or spare modules. The design allows for rapid replacement of protective members and panels, enabling quick recovery of protection effectiveness without requiring extensive repair operations.
3Reliability
If panel-type barriers are used to protect electrical power transformers, then protection effectiveness is improved, but device complexity increases due to anchoring requirements
Solution Approach 1:
The complex anchoring and footing systems are extracted from the barrier design. Instead of requiring permanent ground anchoring, the A-frame structures use self-supporting legs with adjustable feet that provide stability without ground penetration, significantly reducing device complexity while maintaining protection effectiveness.
Solution Approach 2:
The barrier structure is designed to be self-supporting through its A-frame geometry and adjustable legs. The structure serves its own anchoring function through weight distribution and geometric stability, eliminating the need for external anchoring systems and reducing overall device complexity.
4Reliability
If heavy equipment is used to move concrete barriers, then protection effectiveness is maintained, but ease of operation deteriorates
Solution Approach 1:
The barrier is segmented into lighter modular panels and components that can be manually handled and transported. This segmentation reduces the weight and size requirements for moving equipment, allowing standard machinery or even manual labor to reposition the barrier while maintaining protection effectiveness through proper reassembly.
Solution Approach 2:
The barrier transitions from a static, permanently positioned structure to a dynamic, easily reconfigurable system. The modular design with removable panels and adjustable A-frames enables quick assembly and disassembly, improving movability without compromising the protection effectiveness when properly assembled.
Data Source
AI summary
Protective barriers for protecting assets (e.g., electrical power transformers and other substation components). The protective barrier may include a lower portion and an upper portion. The lower portion may include first and second laterally spaced A-frame structures having a first protective member assembly extending between aligned legs of the respective A-frame structures on one side thereof. The first protective member assembly may include a first plurality of substantially horizontally extending protective members oriented at an angle relative to a horizontal plane. The first and second A-frame structures may have a second protective member assembly extending between aligned legs of the respective A-frame structures on an opposing side thereof. The upper portion may comprise a third protective member assembly. Methods of making a protective barrier are also disclosed.