Tamper Detection Sealing Member for Aircraft Life Vest Containers
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Solution Overview
Problem
Current tamper detection systems for re-sealable life vest storage containers on aircraft require manual visual inspection by cabin crews, increasing turn-around time between flights and lacking efficient automated tracking of tampering or manipulation events.
Innovation Solution
A tamper detection system utilizing a one-way sealing member with electrically conductive patches and a monitoring system to measure electrical parameters, detecting tampering by disrupting a low impedance path, allowing for automated and remote monitoring of storage container integrity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual visual inspection by cabin crew is used, then simplicity of the system is maintained, but turn-around time increases and productivity decreases
Solution Approach 1:
The patent replaces the manual mechanical inspection process with an automated electrical monitoring system. The sealing member incorporates electrically conductive elements that form an electrical path, and the monitoring system uses electrical measurements (impedance, continuity) to detect tampering, eliminating the need for visual inspection by cabin crew and enabling automated detection.
Solution Approach 2:
The sealing member is designed to perform self-detection of tampering through its own structural elements. The electrically conductive patches and elements within the sealing member automatically form an electrical path that monitors itself, and the monitoring system detects changes in this path without requiring external human intervention or complex additional components.
2Reliability
If automated monitoring system is implemented, then detection reliability is improved, but device complexity increases
Solution Approach 1:
The patent applies electrically conductive properties selectively to specific local areas where tamper detection is needed. The sealing member contains electrically conductive patches and elements only in the critical sealing regions, while the rest of the system uses simple electrical monitoring components. This localized approach provides reliable detection without requiring complex monitoring throughout the entire container.
Solution Approach 2:
The electrically conductive elements within the sealing member serve as an intermediary between the physical sealing structure and the electrical monitoring system. These elements translate mechanical tampering events into electrical signal changes (impedance variations, continuity losses), enabling reliable detection through simple electrical measurements without complex mechanical sensors or actuators.
3Measurement precision
If one-way sealing member with conductive elements is used, then tamper detection precision is improved, but manufacturing complexity increases
Solution Approach 1:
The sealing member is constructed as a composite structure combining electrically non-conductive base material (providing sealing and structural integrity) with electrically conductive elements (providing tamper detection capability). The conductive patches and elements are integrated into the sealing member during manufacturing, creating a unified component that combines sealing function with self-monitoring capability through material composition rather than complex assembly.
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
Enables reliable and automated detection of tampering events, reducing the need for manual inspections and allowing continuous monitoring, even if the system is temporarily de-energized, by irreversibly damaging the sealing member upon tampering, ensuring tampered containers can be identified without visual checks.
Implementation Method 1
at least one electrically conductive element leading between the two patches of electrically conductive adhesives within the electrically non-conductive material
Data Source
Figure 1~4
AI summary
A tamper detection system, in particular for a life vest storage container (10) on board of a passenger aircraft (A), includes a receptacle (4) having an access opening with a closable lid (7); a first electrically conductive monitoring pad (1) formed on the closable lid (7); a second electrically conductive monitoring pad (2) formed on the receptacle (4); a sealing member (3) formed of electrically non-conductive material and including two patches of electrically conductive adhesive on the bottom side of two opposite edges of the sealing member and at least one electrically conductive element leading between the two patches of electrically conductive adhesives within the electrically non-conductive material, the two patches of electrically conductive adhesive of the sealing member being applied to the first and second electrically conductive monitoring pads (1; 2), respectively; and a monitoring system (5) electrically coupled to the first and second electrically conductive monitoring pads (1; 2) and configured to measure an electrical parameter associated with the electrically conductive path (C1, C2, CS) formed by the first and second electrically conductive monitoring pads (1; 2) and the at least one electrically conductive element within the sealing member (3).