Blade Server Power Control With Liquid Cooling Load Balancing
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Solution Overview
Problem
Traditional blade servers face issues with heat dissipation, unbalanced power consumption among power supply units, lack of power redundancy, and inadequate consideration of cold plate power consumption in load control, which affect the reliability and efficiency of multi-blade node systems.
Innovation Solution
A power control system for blade servers that includes multiple blade nodes, cold plates with coolant, a liquid cooling module, and power supply units, managed by an overall management and control module that monitors and distributes power consumption evenly among units, adjusts coolant flow based on consumption changes, and implements power redundancy.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If cold plate liquid cooling technology is introduced to improve heat dissipation, then heat dissipation capability is improved, but power consumption balance among power supply units deteriorates
Solution Approach 1:
The management module continuously monitors the power consumption of each power supply unit and the liquid cooling module, and dynamically adjusts the power distribution strategy based on real-time feedback to maintain balanced power consumption across all power supply units
Solution Approach 2:
The system changes the operating parameters of power supply units by adjusting their output power levels based on real-time monitoring data, ensuring that power consumption is evenly distributed among multiple power supply units while supporting the liquid cooling system
2Power
If multiple power supply units are used to support high density blade nodes, then power capacity is improved, but power consumption distribution uniformity deteriorates
Solution Approach 1:
The management module serves multiple functions simultaneously: monitoring power consumption of blade nodes and liquid cooling modules, calculating total power requirements, controlling power supply units, and adjusting liquid cooling parameters, thereby coordinating multiple power supply units to work uniformly together
3Device complexity
If liquid cooling module power consumption is not included in load control, then control simplicity is improved, but power redundancy and reliability deteriorate
Solution Approach 1:
The system merges the power consumption data of the liquid cooling module with that of the blade nodes into a unified power management framework. The management module calculates the sum of power consumption from all components including the liquid cooling module, ensuring comprehensive power distribution and redundancy
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system achieves balanced power consumption, enhances stability and reliability, improves heat dissipation efficiency, and ensures redundancy, optimizing the performance of multi-blade node systems.
Implementation Method 1
cold plates in thermal exchange with the blade nodes, the cold plates contain coolant
Implementation Method 2
a liquid cooling module for circulating the coolant in each of the cold plates
Data Source
AI summary
The present application provides a power control system and method for a blade server, and a blade server. The system includes: multiple blade nodes; cold plates in thermal exchange with the blade nodes, the cold plates contain coolant; a liquid cooling module for circulating the coolant in each of the cold plates; multiple power supply units for supplying power to the multiple blade nodes and the liquid cooling module; and an overall management and control module, communicatively connected to each of the blade nodes, the liquid cooling module, and each of the power supply units, configured for monitoring power consumption of each of the blade nodes and the liquid cooling module, and distributing the power consumption evenly among the multiple power supply units.