Locking Combination Outlet Assembly for Multi-Plug PDUs
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Solution Overview
Problem
Conventional industrial power distribution units (PDUs) face challenges in accommodating various types of plug connectors due to the need for multiple specialized outlets, leading to increased manufacturing costs, complexity, and potential obsolescence as equipment and power cord types change over time.
Innovation Solution
The development of a combination outlet assembly with a single-piece, modular design that includes dual interchangeable outlets, allowing for flexible connection with different plug connectors, reducing the number of outlets required and enabling easy scaling of PDUs with a small number of components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple specialized outlets are used to accommodate various plug connectors, then compatibility with different equipment is improved, but device complexity and manufacturing costs increase
Solution Approach 1:
The patent implements a universal outlet assembly that can accept multiple types of plug connectors (C13, C14, C19, C20, L6-30, NEMA 5-15) through a single standardized interface design. The outlet core and housing are configured with universal acceptance features that accommodate different plug types without requiring separate specialized outlets for each connector type, thereby reducing device complexity while maintaining broad compatibility.
2Adaptability or versatility
If multiple specialized outlets are used to accommodate various plug connectors, then compatibility with different equipment is improved, but manufacturing costs increase
Solution Approach 1:
The patent merges the functionality of multiple specialized outlets into a single combination outlet assembly. By integrating universal acceptance features and standardized components that can handle various plug connector types within one outlet unit, the design reduces the total number of components required, simplifies the manufacturing process, and lowers production costs compared to producing and assembling multiple separate specialized outlets.
3Adaptability or versatility
If conventional combination outlets are used, then flexibility to accommodate different plug types is improved, but reliability of secure connection deteriorates
Solution Approach 1:
The patent incorporates a dynamic locking mechanism with movable locking elements that automatically engage with corresponding features on the plug connector housing. The locking elements are positioned to provide positive mechanical engagement that secures the plug firmly in place, preventing accidental disconnection while maintaining the ability to accommodate various plug types through the universal outlet design.
Data Source
AI summary
A power cord locking assembly includes a button projecting from an upper surface of an electrical outlet housing having an outlet core therein. The button is selectively positionable relative to the housing in a direction obliquely oriented to a plug insertion axis between a locked position, in which the button engages and secures a plug connector housing mated to the outlet core, and an unlocked position, in which the button is disengaged from the plug connector housing for removal of the mated plug connector housing from the outlet core.