Tamper-Detecting Housing Closure With Hidden Breakable Connection
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Solution Overview
Problem
Conventional methods for detecting unauthorized access to electronic housings in vehicles are easily bypassed, providing inadequate protection against manipulation and tampering, and often result in warranty voidance.
Innovation Solution
A housing design with a mechanically weak second connection that breaks upon unauthorized opening, combined with a detector system that sends a signal upon connection disruption, allowing retrospective detection of tampering.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional seals or adhesive bonds are used to detect housing opening, then the opening can be detected retrospectively, but the protection against misuse is insufficient and the measures can be bypassed or repaired
Solution Approach 1:
The patent applies preliminary action by pre-installing a mechanical component with a predetermined weak connection inside the housing before closing. This weak connection is strategically positioned and designed to break only upon unauthorized opening, providing advance preparation for detection without being visible or detectable during normal operation. The detector is also pre-configured to monitor this hidden connection point.
Solution Approach 2:
The patent uses an intermediary approach by introducing a mechanical component that serves as a mediator between the housing structure and the detection system. This component includes a weak connection that translates the physical act of opening into a detectable signal, while remaining invisible to potential attackers. The intermediary element bridges the gap between structural integrity and detection capability.
2Reliability
If gate contacts are used to electronically report access, then access can be detected, but attackers can learn to bypass these obvious measures
Solution Approach 1:
The patent applies local quality by creating a specific weak connection point within the mechanical component that has different properties from the rest of the structure. This localized weak point is designed to break under specific conditions (unauthorized opening) while the rest of the housing remains strong. The weak connection is positioned and designed to be invisible, creating a local vulnerability that serves detection purposes without compromising overall security or being detectable by attackers.
3Reliability
If seals or adhesive bonds are applied to the housing, then opening detection is possible, but the measures are visible and can be repaired afterwards
Solution Approach 1:
The patent extracts the detection function from visible external seals or adhesive bonds and relocates it to an internal mechanical component with a hidden weak connection. By taking out the detection mechanism from the external visible domain and placing it inside the housing, the system maintains detection capability while eliminating the visible indicators that attackers could target for repair or bypass.
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
Provides secure, invisible protection against unauthorized access by detecting tampering through non-invasive means, enabling retrospective verification and preventing system manipulation.
Implementation Method 1
a detector which is designed to send an electrical signal through the mechanical component and to signal opening of the housing from a change in the electrical signal
Implementation Method 2
The second connection is designed to be weaker than the first connection and breakage of the second connection indicates opening of the housing
Implementation Method 3
a detector for an electromagnetic signal within the housing, wherein the detector is designed to signal opening of the housing from a change in the electromagnetic signal
Data Source
AI summary
A housing for at least one component having a first housing part and a second housing part which can be connected to each other to close the housing is disclosed. The housing has a mechanical component having a first connection and a second connection to connect the mechanical component inside the housing to the first housing part and to the second housing part of the housing, wherein the second connection is designed to be weaker than the first connection and breakage of the second connection indicates opening of the housing.