Modular Rack Power Distribution With Daisy-Chained Outlet Expansion
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Solution Overview
Problem
Power distribution systems in server racks face challenges with limited outlets and cable management as devices are added, leading to overcrowding and the need for temporary disconnection of components to accommodate additional power strips.
Innovation Solution
A modular power distribution system with connectable modules that can form a daisy chain, allowing for the expansion of outlets while maintaining power delivery and control signals, featuring a surge protector and output controller to regulate voltage and manage power distribution efficiently.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If additional power strips are plugged into existing outlets to provide more outlets, then the number of available outlets is increased, but cable length increases and rack space becomes crowded
Solution Approach 1:
The power distribution system is divided into multiple independent modular units, each containing power outlets and power delivery circuitry. These modules can be independently installed and configured within the rack, eliminating the need for cascaded power strips and excessive cabling while providing the required number of outlets.
2Quantity of substance
If additional power strips are added to increase outlets, then more devices can be powered, but cable management becomes complex and entangled
Solution Approach 1:
Multiple power modules are merged into a unified power distribution system with integrated control. The modules share common power input and control infrastructure, allowing coordinated power delivery and simplified cable routing compared to independent power strips.
3Quantity of substance
If existing outlets are used for additional power strips, then more outlets become available, but existing components must be temporarily disconnected
Solution Approach 1:
The modular power distribution system is pre-configured with all necessary outlets and power delivery pathways before deployment. This allows the system to provide additional outlets without requiring temporary disconnection of existing components, as the modular architecture accommodates expansion without interfering with existing connections.
4Quantity of substance
If multiple power strips are cascaded to provide sufficient outlets, then the outlet quantity increases, but the system becomes harder to control and monitor
Solution Approach 1:
The power distribution system incorporates feedback mechanisms where each modular unit reports its power delivery status, outlet usage, and operational state to a central controller. This enables real-time monitoring and control of the entire system, simplifying management compared to unmonitored cascaded power strips.
Data Source
AI summary
A power distribution system is described. The system comprises connectable modules, including an input module and at least a first output module. The input module comprises a power input interface configured to receive alternating current power and direct current power from external sources, an output controller configured to generate control signals that control power delivery by the first output module, and an output module interface having i) a power output interface that provides AC power and DC power to the first output module, and ii) a control interface that provides the control signals to the first output module for controlling the power delivery. The first output module comprises an input module interface configured to engage the output module interface and receive the AC power and the DC power from the power output interface, and two or more outlets, each configured to deliver either the AC power or the DC power.