Interchangeable Outlet Adapters for Power Distribution Units
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Solution Overview
Problem
Conventional power distribution units (PDUs) are manufactured with specific, non-changeable outlet type combinations, requiring different circuit boards for each configuration, which is inefficient and increases manufacturing costs due to the need for multiple part sets and limited flexibility in accommodating diverse power needs.
Innovation Solution
A power distribution unit with interchangeable outlet adapters that share a common inlet connection configuration, allowing C13-type and C19-type adapters to be swapped without changing the circuit board, using a printed circuit board with standardized terminal patterns and differently sized cover plate openings to accommodate various adapter sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If different circuit board designs are used for each outlet type combination, then each PDU configuration is optimized for its specific outlet types, but the number of part sets increases and manufacturing complexity increases
Solution Approach 1:
The patent implements a universal circuit board design with standardized terminal patterns that can accommodate multiple outlet types (C13, C19, etc.) through interchangeable adapter modules. Each adapter module is designed to mate with the same terminal pattern on the circuit board, allowing a single circuit board design to support various outlet configurations without requiring different board designs for each outlet type combination.
Solution Approach 2:
The patent divides the outlet interface into two separate functional components: a standardized terminal interface on the circuit board and interchangeable adapter modules that provide different outlet types. This segmentation allows the circuit board to remain unchanged while adapting to different outlet requirements by simply swapping the adapter module, thereby reducing circuit board design variety while maintaining outlet type flexibility.
2Manufacturing precision
If multiple part sets are maintained for different outlet configurations, then each configuration can be manufactured precisely, but manufacturing costs increase and inventory complexity increases
Solution Approach 1:
The circuit board is designed with universal terminal patterns that can interface with multiple outlet types through standardized adapter modules. This universality allows a single circuit board part to replace multiple configuration-specific board designs, significantly reducing the number of part sets that need to be manufactured and inventoried while maintaining precise manufacturing through standardized interfaces.
Solution Approach 2:
The patent changes the configurable parameter from circuit board design to adapter module selection. By keeping the circuit board design fixed and allowing only adapter module parameters to vary, the system reduces the number of unique parts that must be manufactured with high precision, while still achieving precise outlet configurations through the standardized adapter interface.
3Productivity
If outlet types are fixed at manufacturing, then the PDU can be produced efficiently with standardized assemblies, but flexibility to accommodate diverse power needs after installation is lost
Solution Approach 1:
The patent introduces dynamic reconfigurability to the PDU system by enabling hot-swappable adapter modules that can be changed after installation. The standardized terminal interface allows adapter modules to be connected or disconnected without affecting the circuit board or requiring system shutdown, providing dynamic adaptation to changing power needs while maintaining manufacturing efficiency through standardized components.
Solution Approach 2:
By separating the fixed circuit board component from the interchangeable adapter module, the patent enables post-installation flexibility without compromising manufacturing efficiency. The circuit board can be manufactured once with standardized terminals, while the segmented adapter modules can be swapped in the field to accommodate diverse power needs, combining production efficiency with operational flexibility.
4Device complexity
If a single circuit board design is used for all outlet types, then manufacturing complexity is reduced and part counts are reduced, but the ability to provide different outlet types is limited
Solution Approach 1:
The circuit board is designed with universal terminal patterns that can interface with multiple outlet types through different adapter modules. This universal interface allows a single circuit board design to support various outlet configurations (C13, C19, etc.) by simply changing the adapter module, thereby maintaining low device complexity while achieving high adaptability and outlet type variety.
Solution Approach 2:
The adapter module serves as an intermediary between the standardized circuit board terminal and the various outlet type requirements. This intermediary component translates the universal terminal interface into specific outlet type connections, allowing the circuit board to remain simple and unified while still providing diverse outlet type support through the mediating adapter layer.
Data Source
AI summary
A power distribution unit includes a printed circuit board, having a plurality of outlet adapter receiving locations, and a plurality of outlet adapters. Each outlet adapter has a user-facing outlet connector and a printed circuit board-facing inlet connector. The outlet connector of a first of the plurality of outlet adapters is different from the outlet connector of a second of the plurality of outlet adapters. The inlet connector of each outlet adapter includes terminals. The terminals of the inlet connector of the first of the plurality of outlet adapters are arranged in a terminal pattern that matches that of the terminals of the inlet connector of the second of the plurality of outlet adapters such that the first and the second outlet adapters are interchangeably attachable at any of the plurality of outlet adapter receiving locations of the printed circuit board.