Low-Profile Smart Outlet With Internal Switched Power Path
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Solution Overview
Problem
Existing smart outlets are bulky and thick, making them difficult to place in confined spaces and aesthetically unpleasing, as they require the same depth as a standard plug to accommodate plug blade penetration, leading to a deep stack when multiple plugs are used.
Innovation Solution
A low-profile smart outlet design with an insulating barrier between the plug prongs and the wall outlet contacts, using a controllable switch to establish an alternative electrical path, allowing the prongs to protrude into the outlet holes without direct contact, and incorporating layers of insulating and conducting materials to manage power delivery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the smart outlet is designed to accommodate plug blade penetration depth, then the outlet can function properly, but the outlet becomes bulky and thick
Solution Approach 1:
The patent places the smart outlet components inside the existing wall outlet receptacle, nesting the new functionality within the existing structure. The outlet body is positioned within the receptacle, and plug prongs pass through the outlet body to make contact with contacts inside the receptacle, eliminating the need for additional external depth.
Solution Approach 2:
The patent transitions from a external depth-based design to a wall-receptacle-based design. Instead of measuring outlet depth from the wall surface outward, the design utilizes the space within the wall-mounted receptacle, effectively moving the problem into a different dimensional space (inside the receptacle rather than outside).
2Adaptability or versatility
If multiple smart plugs are stacked, then more devices can be powered, but the stack becomes difficult to fit in confined spaces
Solution Approach 1:
By nesting the smart outlet within the existing receptacle, multiple outlets can be arranged in a compact configuration within the same wall space, eliminating the need for deep external stacking and allowing multiple devices to be powered in a confined footprint.
3Length of stationary object
If the outlet is made low-profile, then aesthetics improve and space is saved, but plug prongs may directly contact outlet contacts causing safety issues
Solution Approach 1:
The outlet body serves as an intermediary component between the plug prongs and the outlet contacts. It provides a controlled path for electrical connection while maintaining proper spacing and insulation, preventing direct exposure of contacts and ensuring safe operation in the low-profile configuration.
Solution Approach 2:
The patent applies different properties to different parts of the system: the outlet body provides insulation and structural support where needed, while the contact areas provide conductive pathways. This localized differentiation of material properties ensures both safety and functionality in the compact design.
Data Source
AI summary
A switch includes an insulating barrier that blocks an electrical conductivity path between a plug prong and a contact of an electrical receptacle. It further includes a switched alternative conductivity path between the plug prong and the contact of the electrical receptacle. A portion of the switch is inserted into the electrical receptacle. The switch receives the plug prong, and the switch is substantially flush with a wall that includes the electrical receptacle.