Modular Polarized Plug with Interchangeable Indicia Modules
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Solution Overview
Problem
Existing two-prong polarized electrical plugs and adaptors lack a straightforward method to determine the correct orientation for outlets with ground sockets oriented upward or downward, leading to potential misuse and safety concerns.
Innovation Solution
Modular plugs and adaptors with interchangeable indicia modules that can be attached to both the top and bottom surfaces, allowing consumers to visually confirm the correct orientation before and after plugging, using colored or shaped indicia elements that can be easily recognized.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If manufacturers produce multiple styles of plugs with different marked surfaces for different outlet orientations, then consumers can find the correct plug for any outlet orientation, but manufacturing complexity and inventory costs increase
Solution Approach 1:
The indicia module is separated from the plug body, allowing the marking component to be independently attached to different surfaces. This segmentation enables a single plug design to be adapted for different outlet orientations by simply repositioning the indicia module rather than manufacturing different plug styles.
Solution Approach 2:
The indicia module is made movable and reconfigurable through the attachment mechanism, allowing consumers to dynamically adjust the position of the marking element based on the outlet orientation. This transforms a static plug design into a dynamically adaptable solution.
2Ease of operation
If consumers are educated on which plug type to purchase for different outlet orientations, then proper usage can be achieved, but consumer confusion and error risk remain
Solution Approach 1:
The system enables consumers to self-configure the correct orientation marking on their own plug without requiring external education or guidance. The consumer simply attaches the indicia module to the appropriate surface based on the outlet orientation, and the system provides immediate visual feedback to confirm correct configuration.
Solution Approach 2:
The indicia module provides visual feedback to the consumer about the correct orientation. By placing the marking on the surface that will be visible when properly inserted, the system gives immediate confirmation of correct configuration, reducing the risk of misuse.
3Ease of manufacture
If a single style of plug is manufactured for all outlet orientations, then manufacturing is simplified, but consumers cannot determine correct orientation without additional markings
Solution Approach 1:
The orientation indication function is extracted from the plug body and placed in a separate indicia module. This allows the plug body to be manufactured as a single standardized design while the orientation information is carried separately on the detachable indicia module that can be positioned on different surfaces.
Data Source
AI summary
Modular two-prong polarized electrical plugs and plug adaptors provided with indicia modules that can be inserted into recesses on the plug housings and adaptor bodies. The indicia modules include indicia elements. By inserting the indicia modules on the proper sides of the plug housings or adaptor bodies, the tops of the plugs and adaptors can be readily identified for purposes of verifying the orientation of the plugs and plug adaptors when and after plugging them into electrical outlets.