Tamper-Resistant Ground Block with Looped Chassis
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current electrical ground blocks are prone to loose connections, moisture ingress, and radio frequency leakage due to their open design, which also makes them susceptible to tampering, requiring additional security measures.
Innovation Solution
A tamper-resistant electrical ground block design featuring a looped chassis that requires a security wrench for tightening coaxial cable connectors, incorporating a one-piece ground clamp to accommodate various wire sizes and a port structure with threaded sections, ensuring secure connections.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If an open design is used for the ground block, then it is convenient to use and cheap in materials, but it promotes finger tightening of connectors and requires extra security shields
Solution Approach 1:
The ground block is divided into functional segments: an open top section for connector access and a looped bottom section for security. This segmentation allows the top to remain accessible for installation while the bottom provides tamper resistance through the loop structure that requires a security wrench.
Solution Approach 2:
A security shield is introduced as an intermediary component between the connector and the environment. The shield has an open design for accessibility but includes a looped bottom portion that acts as a mediator to prevent finger tightening while allowing proper tool-based installation.
2Ease of manufacture
If an open design is used for the ground block, then materials are cheap, but connections are loose and susceptible to moisture and radio frequency leaking
Solution Approach 1:
The ground block employs local quality by having an open top section for accessibility and a looped bottom section for protection. The looped portion specifically addresses moisture ingress and RF leakage at the critical connection point while maintaining cost-effectiveness through selective application of protective structure.
Solution Approach 2:
The looped bottom design provides preliminary anti-action by preventing unauthorized access and protecting against environmental factors before they can affect the connection. The structure proactively blocks moisture and RF leakage paths while requiring proper tools for legitimate access.
3Reliability
If a security wrench is required to tighten connectors, then tamper resistance is improved, but installation complexity increases
Solution Approach 1:
The security feature is segmented into the looped bottom portion of the ground block, separate from the connector installation area. This segmentation allows standard tools to be used for connector attachment while the looped structure independently provides tamper resistance, minimizing the increase in installation complexity.
Data Source
AI summary
A tamper-resistant electrical ground block includes a ground block chassis that is looped over a port structure so that an installer has to use a security-type wrench to tighten or loosen coaxial cable connectors from the port structure. A ground clamp, one-piece with the chassis, accommodates a wide range of ground wire sizes.