Anti-theft Device for Wall-mounted Front Module
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Solution Overview
Problem
Conventional front modules attached to carrier modules can be easily removed and stolen, compromising system security and functionality due to the use of retaining springs that allow for tool-free installation and removal.
Innovation Solution
An anti-theft device is integrated between the front module and the carrier module, featuring specialized end sections with snap or screw connections that require a unique tool for detachment, ensuring that the front module cannot be removed without authorization, with access openings designed to only accommodate the specific tool, preventing unauthorized access.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If retaining springs are used to attach the front module to the carrier module, then the front module can be installed and removed without tools, but the front module can be easily removed and stolen
Solution Approach 1:
The fastening system is divided into two independent parts: retaining springs for tool-free installation and an anti-theft device for security. The anti-theft device includes a fastening element with a fastening arm that can be inserted through an access opening, creating a separate security mechanism that does not interfere with the ease of installation provided by the retaining springs.
Solution Approach 2:
The fastening arm acts as an intermediary element that passes through the access opening to connect the anti-theft device to the carrier module. This intermediary structure allows the security function to be added without modifying the original retaining spring mechanism, maintaining tool-free installation while preventing theft.
2Reliability
If an anti-theft device is added to prevent theft, then system security is improved, but the device complexity increases
Solution Approach 1:
The anti-theft device is implemented locally at the access opening rather than throughout the entire module. The fastening element is positioned specifically where needed to prevent removal through the opening, adding security only at the critical point without complicating the overall structure of the front module or carrier module.
Solution Approach 2:
Instead of making the entire fastening system complex and tool-locked, the invention uses a simple retaining spring mechanism for normal operation and adds a separate, simple fastening arm that passes through the access opening for security. The complexity is inverted by keeping the main mechanism simple and adding a minimal security element.
3Reliability
If the access opening is made small to prevent tool insertion, then unauthorized access is prevented, but the fastening element must be precisely positioned
Solution Approach 1:
The fastening arm is designed with an asymmetric cross-sectional shape that corresponds to the asymmetric shape of the access opening. This asymmetric design allows the fastening arm to be inserted through the opening in only one orientation, providing self-alignment that reduces the need for high manufacturing precision while still preventing unauthorized access.
Data Source
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AI summary
The present invention relates to a device for theft-proof fixing of a front module (120) to a support module (130) that can be attached to a wall (101). The device includes an anti-theft device (110). The anti-theft device (110) is designed such that the front module (120) and the support module (130) can be fixed together by means of it, and that the anti-theft device (110) can only be detached from the front module (120) and/or the support module (130) by means of a special tool.