Modular Bullet Resistant Shield Ventilation

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Solution Overview

Problem

Current bullet resistant shields for electric power equipment lack adequate ventilation, leading to overheating of air-cooled transformers and are not easily adaptable for assembly into existing structures, posing a risk to transformer reliability and maintenance access.

Innovation Solution

A modular, ventilated bullet resistant shield system constructed from standardized sections made of galvanized steel frames with ballistic panels, allowing for easy assembly and maintenance access, while providing military-grade protection and ventilation to prevent overheating.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If conventional bullet resistant enclosures are used, then ballistic protection is provided, but ventilation is inadequate causing overheating of air-cooled equipment

Engineering Contradiction:

Improveballistic protectionVSAvoidequipment temperature

Core Design Contradiction:

Object-affected harmful factorsVSTemperature

Solution Approach 1:

The shield is divided into multiple modular sections that can be configured with different ventilation characteristics. Each section contains ballistic panels attached to a frame structure, allowing the overall system to provide both protection and airflow pathways when sections are arranged in ventilated configurations.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

Different regions of the shield structure have different properties - some areas provide maximum ballistic protection while other areas are designed with open frames or reduced panel coverage to facilitate air flow. The ballistic panels are strategically positioned to protect critical areas while maintaining ventilation channels.

Inventive Principle:

Principle #3Local quality

2Object-affected harmful factors

If custom bullet resistant structures are built for each location, then adequate protection is provided, but assembly complexity and time increase

Engineering Contradiction:

Improveballistic protectionVSAvoidassembly ease

Core Design Contradiction:

Object-affected harmful factorsVSEase of manufacture

Solution Approach 1:

The shield system is segmented into standardized modular sections that can be manufactured independently and then assembled on-site. Each module contains pre-installed ballistic panels on a frame structure, allowing rapid deployment by simply connecting multiple identical units together in various configurations.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The modular sections are designed with universal connection features and standardized dimensions that allow the same basic module to be used in different locations and configurations. The sections can be arranged to create walls, enclosures, or barriers of various sizes while using the same component library.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Object-affected harmful factors

If traditional shields without doors are used, then ballistic protection is maintained, but maintenance access becomes difficult

Engineering Contradiction:

Improveballistic protectionVSAvoidmaintenance access

Core Design Contradiction:

Object-affected harmful factorsVSEase of operation

Solution Approach 1:

The shield wall is segmented into removable panels or sections that can be taken apart to create access openings for maintenance activities. These removable sections maintain the overall ballistic protection when installed but can be easily removed and reinstalled to allow equipment access without compromising security during normal operation.

Inventive Principle:

Principle #1Segmentation

4Object-affected harmful factors

If heavy ballistic materials are used, then protection level increases, but weight and transportation difficulty increase

Engineering Contradiction:

Improveballistic protectionVSAvoidshield weight

Core Design Contradiction:

Object-affected harmful factorsVSWeight of moving object

Solution Approach 1:

The shield system uses composite construction combining ballistic panels (which may be made from advanced materials like aramid, polyethylene, or ceramic composites) with lightweight frame structures. This composite approach provides high ballistic protection while minimizing overall weight compared to traditional solid steel or concrete barriers.

Inventive Principle:

Principle #40Composite materials

Data Source

PatentUS9482494B1Bullet resistant shield for electric power equipment

Publication Date: 2016.11.01 SOUTHERN STATES

AI summary

A bullet resistant shield for electric power equipment constructed from standardized modular sections configured for easy erection in the field into walls and enclosures. The modular sections may be constructed at a factory and transported to the desired location where the sections are assembled together into walls and enclosures. The modules are sized for transportation by trucks over public roadway, rail, barge and so forth. Concrete foundations may be installed prior to arrival of the modular sections to ready the site for erection of the shied structure upon arrival of the modular sections. Unlike conventional bullet resistant enclosures, these sections provide adequate ventilation to avoid overheating of air-cooled electric power equipment, such as large substation transformers. One or more electric fans may be mounted in the section to provide forced air ventilation. The wall may be positioned to allow walk-up maintenance access without the use of doors.