Tamper Resistant Socket Adapter with Spring Covers
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Solution Overview
Problem
Existing electrical sockets lack tamper-resistant features, necessitating costly replacements and complex installations to comply with safety standards, particularly for older non-compliant sockets.
Innovation Solution
A tamper-resistant adapter that converts older electrical sockets into Tamper Resistant Outlets (TRO) by using conductive protrusions and a metallic piece to connect with existing sockets, providing neutral and active connections while ensuring grounding, thus enabling compliance with safety standards without requiring wire reconfiguration or power shutdown.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing wall sockets are replaced with TRO sockets to achieve tamper resistance, then safety compliance is improved, but installation complexity and cost increase due to requiring power shutdown and rewiring
Solution Approach 1:
The adapter contains a complete TRO mechanism nested within a plug body that inserts into the existing socket. The adapter houses spring-loaded covers, conductive protrusions, and internal wiring all contained within the plug structure, allowing the entire TRO system to be nested inside the wall socket without external modifications
Solution Approach 2:
The adapter acts as an intermediary device between the existing non-TRO socket and the need for tamper resistance. Rather than modifying the wall socket directly, the adapter mediates by providing TRO functionality through its internal mechanism while connecting to the existing electrical infrastructure through simple plug insertion
2Reliability
If existing wall sockets are replaced with TRO sockets to achieve tamper resistance, then safety compliance is improved, but time and labor requirements increase due to complex installation process
Solution Approach 1:
The adapter is pre-assembled with all TRO components (spring-loaded covers, conductive protrusions, internal wiring) factory-configured within the plug body. The spring mechanisms are pre-loaded and the electrical connections are pre-established, allowing the entire tamper-resistant system to be deployed in a single plug insertion action without requiring on-site assembly or configuration time
Solution Approach 2:
The adapter performs self-installation by design - it requires no professional electrician intervention, no wall opening, no wire manipulation. The user simply inserts the adapter plug into the existing socket and the TRO functionality is automatically activated through the adapter's self-contained mechanism that self-regulates the cover movement and electrical connection
3Object-affected harmful factors
If TRO sockets are installed to provide tamper resistance, then protection against foreign object insertion is improved, but device complexity increases due to spring-loaded mechanisms and covers
Solution Approach 1:
The adapter employs dynamic spring-loaded covers that automatically move between closed (protective) and open (functional) states. The spring mechanisms provide continuous mechanical force to maintain covers in the closed position for tamper resistance, while allowing automatic opening when proper plug insertion occurs, creating a dynamic system that adapts its state based on operational conditions
Solution Approach 2:
The adapter merges multiple functions into a single integrated unit: the tamper-resistant cover mechanism, the electrical connection system, the grounding provision, and the plug interface are all combined within one adapter body. This consolidation reduces overall system complexity compared to modifying the wall socket structure itself while maintaining all necessary TRO functions
4Reliability
If existing sockets are adapted to TRO compliant ones using an adapter, then safety standards compliance is improved, but electrical connection complexity increases due to conductive protrusions and metallic pieces
Solution Approach 1:
The electrical connection system is segmented into distinct functional components: conductive protrusions for live/neutral connections, separate grounding elements, and isolated spring-loaded covers for each outlet. This segmentation allows each electrical connection path to be independently designed and controlled, simplifying the overall connection complexity while ensuring proper safety isolation between different electrical circuits
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 the retrofitting of non-TRO compliant sockets into TRO compliant ones, ensuring safety standards are met without the need for extensive replacements or power disruptions, providing a cost-effective and straightforward adaptation solution.
Implementation Method 1
When a plug is inserted in a tamper resistant socket, it would push against a spring loaded mechanism that pulls the screen down or pushes it in a sideways direction
Implementation Method 2
When the plug is pulled, as soon as the blades disengage from their outlets, the screen jumps back up
Data Source
AI summary
The present disclosure is directed to tamper resistant outlets (TRO) and adapters that adapt non-TRO compliant electrical sockets to become TRO compliant sockets. Adapters consistent with the present disclosure may include one or more sets of prongs or plug bars that mate with electrical wall outlets or sockets, such that an adapter can be plugged into a wall socket directly. These adapters may cover a non-compliant socket with a structure that provides TRO compliant receptacles. Other surfaces on the TRO adapter may include one or more sets of covers that cover receptacles included in the TRO adapter when a plug is not installed into a respective set of receptacles. Adapters consistent with the present disclosure may adapt sockets that use either two or three prongs. Adapters consistent with the present disclosure may be attached and retained using screws or other protrusions.