Liquid-Tight Backup Server Housing with Sealed Air Gap

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Solution Overview

Problem

Existing backup servers face challenges in ensuring data security and integrity, particularly in scenarios like floods or firefighting water damage, where both main and backup servers can be compromised, and there is a risk of manipulation and theft due to physical distance and structural vulnerabilities.

Innovation Solution

A backup server design featuring a liquid-tight, sealed housing with no external operating elements, an electromagnetic locking mechanism, and an air gap for protection against moisture and electromagnetic interference, along with an emergency power supply for self-sufficiency and secure data storage.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the backup server is placed in a separate building to protect against water damage and fire, then protection against environmental disasters is improved, but the risk of theft and manipulation increases due to physical distance

Engineering Contradiction:
Improveprotection against water damage and fireVSAvoidtheft and manipulation risk
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The server housing is divided into a fixed sealed body and a removable cover, allowing the server to be segmented for secure mounting in separate locations while maintaining protection. The cover can be removed only with proper tools, creating a secure barrier that prevents unauthorized access while allowing legitimate maintenance.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

A keypad with code entry serves as an intermediary authentication mechanism between the user and the server interior. The keypad requires numerical codes to activate the opening mechanism, creating a layered security approach that prevents direct physical access while allowing authorized users to access the server for maintenance or data retrieval.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If the housing is made liquid-tight and sealed to protect against moisture, then protection against environmental factors is improved, but heat dissipation becomes difficult

Engineering Contradiction:
Improveprotection against moistureVSAvoidheat dissipation
Core Design Contradiction:
ReliabilityVSTemperature

Solution Approach 1:

The housing provides localized ventilation through specific openings positioned to allow heat escape from critical components while maintaining overall liquid-tight sealing. The sealed construction protects against moisture ingress, while strategic ventilation points manage thermal output without compromising the sealed environment.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The cover acts as a removable element that can be taken out for maintenance purposes. This allows temporary extraction of the sealing barrier during service operations, enabling heat dissipation and component access, then restoring the sealed protection when closed.

Inventive Principle:
Principle #2Taking out (Extraction)

3Reliability

If operating elements and feedback elements are removed from the exterior to maintain security, then security against unauthorized access is improved, but ease of operation and monitoring deteriorates

Engineering Contradiction:
Improvesecurity against unauthorized accessVSAvoidoperation and monitoring convenience
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The server incorporates self-diagnostic capabilities and automatic backup operations that monitor and maintain themselves without requiring physical access or external intervention. The system automatically detects failures, executes backup routines, and reports status through the keypad display, enabling operation and monitoring while maintaining security.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The keypad display provides feedback to users about server status, backup progress, and system health. This feedback mechanism allows authorized users to monitor the server remotely without needing physical access or additional external interfaces, maintaining both security and operational awareness.

Inventive Principle:
Principle #23Feedback

4Reliability

If the server is designed as a self-sufficient independent machine without external connections, then security and independence are improved, but adaptability to external systems and services deteriorates

Engineering Contradiction:
Improvesecurity and independenceVSAvoidintegration with external systems
Core Design Contradiction:
ReliabilityVSAdaptability or versatility

Solution Approach 1:

The server is designed with universal interfaces and standardized protocols that enable it to function independently while also integrating with various external systems. The sealed housing provides a secure platform for diverse functions including data backup, processing, and communication, allowing the same physical structure to serve multiple purposes across different system architectures.

Inventive Principle:
Principle #6Universality (Multi-functionality)

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 enhanced data security and protection against moisture, mechanical shocks, and electromagnetic interference, ensuring that data can be reliably backed up and restored without external manipulation, while deterring theft due to its secure and tamper-proof design.

Implementation Method 1

an air gap being arranged inside the housing adjacent to these two larger sides and the at least one data carrier being arranged between the air gaps. Thus, the data medium inside the server is well protected. The protection relates to electromagnetic influences, as well as mechanical shocks, moisture or the like.

Methodology Applied
Scientific EffectElectromagnetic shielding: Faraday Cage

Data Source

PatentEP3742325B1Backup server
Publication Date: 2021.08.04 WURM LEASING GMBH
  • EP3742325B1 patent drawingFigure 1~2
  • EP3742325B1 patent drawingFigure 3~4

AI summary

A backup server (1) for backing up data comprises at least one data carrier (40) on which the data can be stored and retrieved. A housing (10, 30) has an openable cover (30) on one side, preferably the top, and the other sides are liquid-tight and preferably inseparably connected to one another.