Power Distribution Unit With Separable Wiring Block
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Solution Overview
Problem
Existing power distribution units (PDUs) are inflexible and costly due to their design specificity for particular utility power specifications, making them unsuitable for use in different countries or regions, and requiring frequent replacement when utility power specifications change, leading to increased maintenance and production complexity.
Innovation Solution
A PDU design featuring a separable power cord and wiring block that can be configured for different utility power specifications by selecting appropriate connections in delta, Y, or parallel configurations, allowing for adaptable operation across various voltage and phase requirements without the need for extensive redesign or reassembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If power distribution units are designed with exclusive specifications for different utility power standards, then they can comply with local power requirements, but the device complexity and manufacturing cost increase due to producing multiple types of PDUs
Solution Approach 1:
The power distribution unit is divided into separable modules: a power cord assembly and a wiring block assembly. The wiring block can be detached and replaced independently from the main PDU body, allowing different wiring configurations (delta, Y, parallel) to be swapped based on utility power requirements without replacing the entire unit or reassembling components.
Solution Approach 2:
A single PDU design incorporates multiple wiring block types that can be interchanged to support different utility power specifications (120/400 volt 3-phase, 220 volt 1-phase, etc.). The universal PDU body accepts various wiring blocks, eliminating the need to manufacture separate exclusive PDUs for each power standard.
2Adaptability or versatility
If power distribution units are designed with exclusive specifications for different utility power standards, then they can comply with local power requirements, but the manufacturing cost increases
Solution Approach 1:
By segmenting the PDU into a standardized body and replaceable wiring blocks, the manufacturing process is simplified. The main PDU unit can be mass-produced once, and only the relatively simple wiring blocks need to be manufactured in different configurations, reducing overall manufacturing complexity and cost compared to producing complete custom PDUs for each specification.
Solution Approach 2:
Manufacturing a single universal PDU design with multiple interchangeable wiring blocks is more cost-effective than producing separate exclusive PDUs for each utility power standard. The standardized body can be produced in high volume, and the wiring blocks are simple components that can be manufactured efficiently in different configurations.
3Adaptability or versatility
If power distribution units are designed with exclusive specifications, then they can meet local power requirements, but maintenance difficulty and cost increase when breakdowns occur
Solution Approach 1:
The separable wiring block design allows maintenance workers to quickly identify and replace only the faulty wiring block without disassembling or replacing the entire PDU. This modular approach significantly reduces maintenance time and complexity compared to integrated designs where the wiring is permanently fixed inside the unit.
Solution Approach 2:
Since the PDU body is universal and accepts multiple wiring block types, when a wiring block fails, the worker can simply replace it with a compatible block of the correct configuration for that location's power standard, without needing specialized knowledge of the entire unit's internal wiring or requiring complete unit replacement.
4Adaptability or versatility
If power distribution units are designed with exclusive specifications, then they can comply with local power requirements, but resource waste occurs when units cannot be reused after relocation to different data centers
Solution Approach 1:
The separable wiring block allows the main PDU unit to be relocated and reused in different data centers by simply swapping the wiring block to match the new location's power specification. This eliminates the need to discard and replace entire PDUs when relocating, reducing electronic waste and resource consumption.
Solution Approach 2:
The universal PDU design with interchangeable wiring blocks enables the same physical unit to adapt to different utility power standards across multiple locations. A single PDU can serve in data centers with different power specifications (120/400V 3-phase, 220V 1-phase, etc.) by changing the wiring block, preventing resource waste from relocating exclusive-specification units.
Data Source
AI summary
A power distribution unit is provided for receiving diversified three-phase power or single-phase power. The power distribution unit includes a separable power cord and a separable wiring block. The separable power cord is used for receiving electric energy of input power. The separable wiring block is electrically connected with the power cord for providing at least one connection configuration. The connection configuration provided by one side of the wiring block comprises a delta configuration, a Y configuration or a parallel configuration.