Modular Shielded Enclosure with Sally Port
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Solution Overview
Problem
Current electromagnetic shielding solutions are not cost-effective, scalable, or practical for a wide range of electromagnetic pulse (EMP) and intentional electromagnetic interference (IEMI) threats, as they often disrupt the shielding effect when accessing the interior and are not adaptable to various applications, especially in large-scale data centers.
Innovation Solution
A modular, electromagnetically shielded enclosure with a continuously welded shell and conductive materials, including a two-door sally port and grounding points, allowing access without disrupting the shielding and enabling the connection of multiple modules for resource sharing, which can be easily transported and installed, providing comprehensive protection across a wide frequency range.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If a solid electromagnetically conductive enclosure is constructed to shield against EMP/IEMI events, then electromagnetic shielding protection is improved, but access to the interior disrupts the shielding effect and exposes equipment to electromagnetic threats
Solution Approach 1:
The enclosure is divided into multiple modular segments that can be independently accessed. Each module maintains its own electromagnetic shielding integrity through continuous welding, allowing access to specific sections without compromising the entire enclosure's shielding effect.
Solution Approach 2:
A sally port with two doors serves as an intermediary structure that allows personnel to transfer between the shielded interior and exterior environments. The sally port maintains shielding continuity while enabling controlled access, preventing direct exposure of equipment to electromagnetic threats during access operations.
2Object-affected harmful factors
If individually engineered enclosures are constructed for each data center, then specific protection requirements are met, but design and construction costs increase significantly
Solution Approach 1:
The enclosure modules are designed as universal, standardized units that can be applied across multiple data center facilities. The same modular design provides electromagnetic shielding protection for various applications and locations, eliminating the need for individually engineered enclosures while meeting different protection requirements through configurable module arrangements.
3Object-affected harmful factors
If existing electromagnetic shielding standards are applied to protect against narrow ranges of threats, then specific threat protection is achieved, but the system cannot address other electromagnetic shielding problems
Solution Approach 1:
The enclosure design incorporates adjustable and configurable parameters including module arrangements, door configurations, and grounding arrangements that can be adapted to address various EMP/IEMI threat ranges. The standardized modular architecture allows the system to be configured for different protection requirements without redesigning the entire enclosure.
4Stability of the object's composition
If large-scale data centers are constructed with fixed layouts, then infrastructure stability is maintained, but modifications for protection, expansion, or other reasons are extremely difficult
Solution Approach 1:
The data center infrastructure is segmented into independent modular enclosure units that can be added, removed, or reconfigured without affecting the entire facility. This modular approach maintains overall infrastructure stability while enabling easy modifications and expansions through simple module deployment.
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 continuous electromagnetic shielding across a broad frequency range, allowing access and resource sharing while maintaining protection, reducing engineering and construction costs, and enabling easy expansion and adaptation to various applications, making it suitable for diverse industrial needs.
Implementation Method 1
a shield against EMP/IEMI events can be constructed making a solid electromagnetically conductive enclosure (sometimes called a 'Faraday cage')
Implementation Method 2
The continuously-welded shell and each door of the two-door sally port are constructed from electromagnetically conductive materials
Data Source
AI summary
An electromagnetically shielded enclosure is disclosed. One such system includes a continuously welded shell having a top, a bottom, and a plurality of side walls cooperating to enclose an interior volume, the interior volume sized to receive electronic equipment and allow human entry. The enclosure is constructed from electromagnetically conductive materials and includes continuous welds along seams joining each material. The enclosure includes a sally port located within the enclosure. The sally port includes a first door in one of the plurality of side walls and constructed from electromagnetically conductive materials. The sally port also includes a second door constructed from electromagnetically conductive materials. The sally port defines a secondary interior volume within the enclosure sized to allow human entry through either the first or second door.