Dynamic Thermal Control for Information Handling Systems
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Solution Overview
Problem
Information handling systems face challenges in thermal control, where maintaining component temperatures within optimal ranges is crucial for performance, but existing methods often result in overcooling or undercooling, affecting power efficiency and component lifespan.
Innovation Solution
A thermal control system that operates multiple air movers to maintain specific temperature thresholds for different information handling resources, allowing for a first air mover to keep a resource above a minimum temperature and a second air mover to keep another below a maximum threshold, optimizing performance and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If air movers are used to cool information handling systems and their components, then component temperature is reduced and overheating is prevented, but power efficiency deteriorates and components may be overcooled
Solution Approach 1:
The patent implements dynamic thermal control by adjusting air mover speeds based on real-time temperature monitoring and workload conditions. The system transitions from static cooling to dynamic adjustment, where air movers operate at variable speeds to match actual thermal demands, preventing both overheating and overcooling while optimizing power efficiency.
Solution Approach 2:
The system changes operational parameters by implementing different cooling modes (e.g., performance mode, balanced mode, power-saving mode) that adjust temperature thresholds and air mover characteristics. This allows the system to adapt cooling behavior to different operational requirements, changing the temperature-parameter relationship dynamically rather than maintaining a fixed cooling approach.
2Use of energy by moving object
If information handling resources are operated closer to their temperature limits to achieve better power efficiency, then power efficiency is improved, but reliability deteriorates due to potential overheating
Solution Approach 1:
The patent implements continuous temperature monitoring and feedback control mechanisms that track the thermal state of information handling resources in real-time. This feedback enables the system to operate closer to temperature limits safely by dynamically adjusting cooling based on actual conditions, maintaining reliability while optimizing power efficiency through informed decision-making rather than conservative fixed thresholds.
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
This approach reduces thermal control disadvantages by allowing for tailored temperature management, enhancing power efficiency and preventing overheating or underheating, thus extending component lifespan and improving system performance.
Implementation Method 1
air movers (e.g., cooling fans and blowers) have often been used in information handling systems to cool information handling systems and their components
Data Source
AI summary
In accordance with embodiments of the present disclosure, an information handling system may include a plurality of information handling resources and a thermal control system comprising a plurality of air movers, wherein the thermal control system is configured to operate in a first cooling mode in which the thermal control system operates at least one first air mover of the plurality of air movers to maintain a first information handling resource of the plurality of information handling resources above a minimum temperature threshold and operates at least one second air mover of the plurality of air movers to maintain a second information handling resource of the plurality of information handling resources below a maximum temperature threshold.