Thermal Manager for Dynamic Hardware Configuration Cooling

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Solution Overview

Problem

Existing thermal management systems in information handling systems are static and do not adapt to changes in configuration, leading to inadequate cooling and potential overheating, as they rely on ambient temperature limits that are not customer-specific and do not account for variations in fan types or performance improvements.

Innovation Solution

A system with a thermal manager that determines relevant temperature limits based on hardware configurations and takes remedial action when real-time temperatures exceed the lowest limit, using a cooling subsystem with air movers to adjust airflow and power consumption dynamically, ensuring compliance with environmental standards.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If static ambient temperature limits are used for thermal management, then the system is simple to operate, but the thermal management is inadequate when hardware configuration changes occur

Engineering Contradiction:

Improvesimplicity of thermal managementVSAvoidadequacy of cooling

Core Design Contradiction:

Ease of operationVSReliability

Solution Approach 1:

The patent implements dynamic thermal management by automatically detecting hardware configuration changes (such as fan replacements or additions) and adjusting temperature limits and cooling strategies in real-time. The system transitions from static ambient temperature limits to dynamic, configuration-aware thermal management, ensuring adequate cooling while maintaining ease of operation through automation.

Inventive Principle:

Principle #15Dynamics

2Adaptability or versatility

If configuration-based temperature limits are manually defined in user manuals, then the system can account for hardware variations, but the system complexity increases and real-time adaptability is lost

Engineering Contradiction:

Improveaccounting for hardware variationsVSAvoidcomplexity of thermal management system

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The system performs self-service by automatically detecting its own hardware configuration (inventorying components like fans and heat sinks) and autonomously determining appropriate temperature limits based on the detected configuration. This eliminates the need for manual configuration input from users while maintaining adaptability to hardware variations, thereby reducing operational complexity.

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The patent implements feedback mechanisms where the system continuously monitors hardware configuration status and uses this information to adjust thermal management parameters. When configuration changes are detected (such as fan failures or hardware additions), the system receives feedback and automatically recalculates temperature limits and cooling requirements, enabling real-time adaptability without increasing system complexity.

Inventive Principle:

Principle #23Feedback

3Stability of the object's composition

If legacy temperature limit definitions are used, then the system maintains portfolio standard support, but it cannot leverage performance improvements from new fan types or airflow enhancements

Engineering Contradiction:

Improveconsistency of thermal standardsVSAvoidutilization of performance improvements

Core Design Contradiction:

Stability of the object's compositionVSAdaptability or versatility

Solution Approach 1:

The patent enables parameter changes by allowing temperature limits and thermal management settings to be dynamically adjusted based on detected hardware configurations. When new fan types or airflow enhancements are detected, the system automatically modifies temperature limits to leverage the improved cooling performance, while maintaining consistency with portfolio standards through structured configuration management.

Inventive Principle:

Principle #35Parameter changes

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 solution provides dynamic thermal management, preventing overheating and ensuring system integrity by adjusting cooling airflow and power consumption based on real-time conditions, thereby extending component lifespan and maintaining thermal constraints.

Implementation Method 1

thermal management systems including air movers (e.g., cooling fans and blowers) have often been used in information handling systems to cool information handling systems and their components

Methodology Applied

Scientific EffectForced Convection: Forced Convection

Data Source

PatentUS10296060B2Systems and methods for automated configuration restrictions and compliance of temperature

Publication Date: 2019.05.21 DELL PROD LP

AI summary

In accordance with embodiments of the present disclosure, a system may include a cooling subsystem comprising at least one air mover configured to generate a cooling airflow in the system and a thermal manager communicatively coupled to the cooling subsystem for control of the cooling subsystem and configured to: (i) determine relevant temperature limits of each of a plurality of hardware configurations, the hardware configuration based on a hardware inventory of the system; (ii) determine the lowest temperature limit of the relevant temperature limits; and (iii) responsive to a determination that a real-time temperature is above the lowest temperature limit, take remedial action.