Cooling Threshold Offsets for Quieter Component Thermal Control

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Current cooling systems for electronic devices operate at maximum levels based on predetermined temperatures, failing to account for variations in system cooling capabilities, leading to unnecessary noise, power consumption, and reduced reliability due to inadequate consideration of system-specific cooling characteristics.

Innovation Solution

A method that determines the optimal temperature for maximum cooling by combining component-specific temperature offsets with system-specific offsets, allowing the cooling apparatus to delay maximum operation until a higher temperature is reached, thereby reducing noise, power consumption, and improving reliability.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If the cooling apparatus operates at maximum level based on predetermined temperature thresholds, then the component temperature is controlled within safe limits, but noise, power consumption, and vibration increase unnecessarily

Engineering Contradiction:
Improvecomponent temperature controlVSAvoidnoise and vibration
Core Design Contradiction:
TemperatureVSObject-generated harmful factors

Solution Approach 1:

The cooling apparatus operates at variable speeds rather than fixed maximum level. The system dynamically adjusts fan speed based on real-time temperature monitoring, allowing the cooling apparatus to operate at lower speeds when temperatures are acceptable and only increase to maximum when necessary, thereby reducing noise and vibration during normal operation

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system changes the operational parameters of the cooling apparatus by introducing multiple temperature thresholds (first threshold for increased speed, second threshold for maximum speed) instead of a single fixed threshold. This allows gradual parameter adjustment of cooling intensity matching the actual thermal conditions

Inventive Principle:
Principle #35Parameter changes

2Reliability

If the cooling apparatus operates at maximum level continuously, then reliable cooling is ensured, but power consumption increases and reliability decreases due to wear

Engineering Contradiction:
Improvecooling effectivenessVSAvoidpower consumption
Core Design Contradiction:
ReliabilityVSUse of energy by moving object

Solution Approach 1:

The cooling apparatus transitions from static maximum-speed operation to dynamic variable-speed operation. The system continuously monitors temperature and adjusts fan speed accordingly, maintaining reliable cooling when needed while reducing power consumption during normal operating conditions

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The system implements periodic temperature monitoring and adjusts cooling apparatus operation in periodic cycles rather than continuous maximum operation. This allows the cooling apparatus to operate at reduced power levels during stable thermal conditions while maintaining cooling effectiveness when temperature trends indicate potential overheating

Inventive Principle:
Principle #19Periodic action

3Manufacturing precision

If component-specific temperature offsets are used without system-specific adjustments, then manufacturing variations are compensated, but system-specific cooling capabilities are not optimized

Engineering Contradiction:
Improvecomponent temperature compensationVSAvoidsystem cooling optimization
Core Design Contradiction:
Manufacturing precisionVSAdaptability or versatility

Solution Approach 1:

The system implements localized temperature offset adjustments specific to each system's cooling characteristics. Different systems with different cooling capacities (heat sink sizes, fan configurations) can have customized temperature thresholds and offsets applied, allowing each system to operate optimally based on its specific hardware configuration rather than using a universal threshold

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system allows modification of temperature threshold parameters based on system-specific measurements and characteristics. By changing the operational parameters (threshold temperatures, offset values) to match actual system performance, the system achieves both manufacturing variation compensation and system-specific optimization

Inventive Principle:
Principle #35Parameter changes

Data Source

PatentUS7484380B2Determining maximum cooling for a component by retrieving an offset value
Publication Date: 2009.02.03 GATEWAY INC
  • US7484380B2 patent drawing
  • US7484380B2 patent drawing
  • US7484380B2 patent drawing

AI summary

The present invention is directed to a system for determining a temperature of a component that requires a maximum level of cooling apparatus operation. The system monitors the component's temperature, then may add a compensation offset to account for variations in the manufacture of the component, and then adds a compensation offset to account for variation in the system in which the component is installed. The result is used to determine when the system's cooling apparatus needs to be operated at a maximum level of operation. The sum may be compared to a threshold to make this determination. This same mechanism may be used to determine various other cooling system trigger points, both when to increase cooling as well as decrease cooling.