IoT Enclosure Lever and Ring Configuration for Tamper Detection
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Solution Overview
Problem
Previous IoT device systems allow tools to be positioned between the asset wall and the actuator, preventing the IoT device from detecting removal and triggering an alarm, thus enabling tampering or theft.
Innovation Solution
The IoT device enclosure includes a lever positioned between the actuator and the asset wall, with an enclosure ring and wall ring configuration that prevents devices from interacting with the actuator, ensuring that removal of the IoT device triggers a notification or alarm.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the IoT device enclosure includes a lever positioned between the actuator and the asset wall with enclosure ring and wall ring configuration, then security against tampering is improved, but device complexity increases
Solution Approach 1:
The enclosure ring is positioned within the wall ring, creating a nested configuration where the enclosure ring fits inside the wall ring structure. This nesting approach provides enhanced security against tampering while maintaining a compact design, as the inner enclosure ring works in conjunction with the outer wall ring to prevent tool insertion and actuator manipulation.
2Ease of operation
If tools are positioned between the asset wall and the actuator, then the ability to tamper with the IoT device is improved, but the detection capability of removal is worsened
Solution Approach 1:
The lever is positioned between the actuator and the asset wall to preemptively prevent tool insertion and tampering attempts. The enclosure ring and wall ring configuration further blocks tool access before tampering can occur. This preliminary anti-action ensures that the actuator cannot be manipulated without triggering the removal detection mechanism, thereby maintaining reliable detection capability.
3Reliability
If the enclosure ring and wall ring configuration prevents device interaction with the actuator, then security is improved, but ease of legitimate operation is worsened
Solution Approach 1:
The lever serves as an intermediary component between the actuator and the external environment. It allows legitimate operation of the actuator while blocking tool insertion and tampering attempts. The enclosure ring and wall ring configuration works in conjunction with the lever to provide security without preventing authorized access and operation.
Data Source
AI summary
In some examples, an enclosure can include a lever to interact with an asset wall when the enclosure is coupled to the asset wall, an actuator coupled to a switch to interact with the lever, and an aperture to allow the actuator to move with the lever when the enclosure is removed from the asset wall, wherein the actuator provides a signal to the switch when the actuator moves beyond a threshold angle.