Modular In-Wall Power Adapter for Safe Control Swaps
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Solution Overview
Problem
Homeowners face challenges in easily and safely replacing in-wall power adapters, which can be costly and risky, and often require professional installation, especially in newly constructed homes where the optimal placement of power adapters is not immediately known, leading to frustration and additional expenses.
Innovation Solution
An in-wall power adapter system with a modular design that includes a control attachment, allowing for easy configuration and modification of power distribution without the need for extensive electrical work, featuring a recess for receiving a control attachment that provides power and neutral signals, enabling users to change functionality without exposing themselves to high voltage risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a homeowner attempts to replace an in-wall power adapter, then the functionality can be updated, but the risk of shock or bodily harm increases due to exposure to high voltage during installation
Solution Approach 1:
The power adapter system is divided into two separate components: a permanently installed in-wall power adapter unit and a removable control attachment. The control attachment contains the functional control elements (switches, dimmers, timers) and can be easily removed and replaced without touching the high-voltage wiring. Only low-voltage control signals are transmitted between the units, eliminating shock risk during control attachment replacement while maintaining full functionality.
Solution Approach 2:
A low-voltage control signal interface acts as an intermediary between the homeowner and the high-voltage power circuit. The control attachment communicates with the in-wall unit through safe, low-voltage signals rather than direct high-voltage connections, allowing users to update controls without exposing themselves to dangerous voltages.
2Reliability
If a professional electrician is hired to replace the power adapter, then safety is ensured, but the installation cost increases significantly
Solution Approach 1:
By segmenting the power adapter into a permanent in-wall unit and a removable control attachment, the system allows homeowners to safely perform the replacement themselves. Only the low-voltage control attachment needs to be handled, eliminating the need for professional electrician intervention and significantly reducing installation costs while maintaining safety through electrical isolation.
Solution Approach 2:
The modular design enables homeowners to service and replace their own power adapter controls without professional help. The control attachment can be easily removed and replaced by the end user, transforming a previously professional-only service into a consumer-friendly self-service operation.
3Productivity
If power adapters are installed during new construction, then the building structure is ready, but the optimal placement may not be known until after living in the home
Solution Approach 1:
The separable design allows the control attachment to be easily swapped out after move-in. Homeowners can try different placements and functionalities by simply changing control attachments rather than reinstalling entire power adapters, providing flexibility to optimize placement based on actual living needs while maintaining construction efficiency.
Solution Approach 2:
The system transitions from a static, permanently configured power adapter to a dynamic, easily reconfigurable system. The removable control attachment enables homeowners to adapt the power adapter placement and functionality over time as their needs evolve, without requiring permanent modifications or professional reinstallation.
4Adaptability or versatility
If the entire power adapter is replaced to change functionality, then the new features are available, but the time and effort required for installation increases
Solution Approach 1:
By separating the permanent in-wall unit from the removable control attachment, only the small control attachment needs to be replaced to change functionality. This reduces installation time from hours (requiring electrical work) to minutes (simple plug-and-play replacement), while still providing access to new features through different control attachments.
Solution Approach 2:
The control attachment is designed as a replaceable, relatively simple component that can be quickly swapped out. Rather than investing time and effort in replacing an entire complex power adapter, homeowners can easily exchange control attachments to access new functionalities, treating the control attachment as a consumable upgrade component.
Data Source
AI summary
An in-wall power adapter configured to control the application of power to a load is described. The in-wall power adapter comprises a first plurality of contact elements comprising a first contact element configured to receive a power signal and a second contact element configured to receive a neutral signal; an outlet coupled to receive the power signal and the neutral signal; and a recess for receiving a control attachment; wherein the recess comprises a second plurality of contact elements configured to provide the power signal and the neutral signal to the control attachment.