Detachable Power Adapter Interface for Safe In-Wall Upgrades
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Solution Overview
Problem
Homeowners face challenges in easily and safely replacing power adapters, particularly in-wall installed ones, due to the risk of electrical shock and the need for professional installation, and there is a lack of flexibility in initial placement of power adapters in new constructions, leading to costly and time-consuming changes later on.
Innovation Solution
A control attachment system that allows for easy configuration and modification of power adapters by coupling a transformer to generate low voltage signals, enabling users to change the functionality of power adapters without replacing the entire unit, using a common interface for various control attachments with different functionalities, including dimming and wireless communication.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a homeowner replaces an in-wall power adapter, then the functionality can be updated, but the risk of electrical shock and need for professional installation increases
Solution Approach 1:
The power adapter system is divided into two separate components: a wall-mounted power adapter unit and a detachable control attachment. The control attachment contains the functional control elements (switches, dimmers, smart controls) and can be easily replaced without touching the electrical wiring. This segmentation allows users to update functionality by simply changing the control attachment, eliminating the need to handle live electrical components.
Solution Approach 2:
A common interface connector serves as an intermediary between the power adapter unit and control attachment. This interface allows electrical connection while providing a safe barrier - users interact only with the disconnected control attachment during replacement, and the common interface ensures proper electrical connectivity when assembled. The intermediary design isolates users from direct contact with electrical wiring.
2Adaptability or versatility
If a power adapter is replaced in new construction, then the placement can be optimized, but the cost and time for professional installation increases
Solution Approach 1:
By separating the power adapter into a permanent wall-mounted unit and a removable control attachment, the system enables easy reconfiguration. Homeowners can relocate functionality by simply unplugging and moving the control attachment to a different outlet, without requiring electricians or wall modifications. This segmentation transforms a complex installation process into a simple plug-and-play operation.
Solution Approach 2:
The detachable control attachment design empowers homeowners to perform installations and reconfigurations themselves without professional assistance. The common interface is designed to be user-friendly, requiring no special tools or electrical knowledge. Users can independently optimize power adapter placement throughout their home by simply connecting control attachments to different wall outlets.
3Adaptability or versatility
If a power adapter is replaced, then the functionality can be improved, but the cost of replacement and professional installation increases
Solution Approach 1:
The system separates expensive electrical infrastructure (wall-mounted power adapter unit) from affordable functional controls (detachable control attachment). Users invest once in the permanent unit and can later upgrade functionality by purchasing different control attachments at minimal cost. This segmentation eliminates the need to replace expensive wired components for functional updates.
Solution Approach 2:
When upgrading functionality, users discard only the control attachment (not the expensive power adapter unit) and recover/reuse the wall-mounted unit. The common interface ensures compatibility across different control attachments, allowing users to invest in a durable power adapter unit once and progressively upgrade controls as needs change, significantly reducing long-term costs.
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 homeowners to efficiently and safely modify power adapter functionalities without risking electrical shock, allowing for flexible and cost-effective updates and changes to electrical systems as needed, improving user satisfaction and reducing installation costs.
Implementation Method 1
a transformer coupled to receive the power signal and generate a low voltage signal
Data Source
AI summary
A control attachment configured to provide power to a load is described. The control attachment comprises a first plurality of contact elements; a plurality of openings on a first surface and having a second plurality of contact elements configured to receive a power signal and a neutral signal, wherein the plurality of openings are adapted to receive prongs of a plug; and a transformer coupled to receive the power signal and generate a low voltage signal; wherein the second plurality of contact elements is coupled to the first plurality of contact elements.