Temperature Band Logging for Data Center Thermal Management
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Solution Overview
Problem
Data centers face challenges in maintaining optimal operating temperatures, as traditional cooling infrastructure specifications limit geographical locations suitable for free air cooling, and existing systems lack flexibility in managing temperature excursions, leading to potential warranty breaches and increased energy consumption.
Innovation Solution
Implementing a temperature band duration logging system that uses sensors and non-volatile registers to track and report temperature excursions, allowing for flexible warranty compliance and thermal management adjustments, such as workload redistribution and increased airflow, to conserve energy and extend equipment lifespan.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional cooling infrastructure specifications are enforced, then equipment reliability is maintained, but geographical adaptability and energy efficiency deteriorate
Solution Approach 1:
The patent changes the parameter from a single fixed maximum temperature threshold to multiple temperature bands with different risk indices. This allows the system to adapt to different geographical locations and cooling conditions while maintaining equipment reliability through risk-based management rather than rigid threshold enforcement.
Solution Approach 2:
The patent introduces dynamic temperature band duration logging and risk index calculation that adjusts based on actual operating conditions. The system dynamically tracks time spent in each temperature band and calculates cumulative risk, enabling flexible adaptation to varying environmental conditions while maintaining reliability through continuous monitoring.
2Ease of manufacture
If traditional single threshold temperature specification is used, then manufacturing simplicity is maintained, but operational flexibility and energy efficiency deteriorate
Solution Approach 1:
The patent segments the temperature specification into multiple bands (e.g., 35-40°C, 40-45°C, 45-50°C) instead of using a single threshold. Each band has associated risk index factors that weight the thermal stress differently, providing operational flexibility while maintaining manufacturing simplicity through standardized band definitions.
Solution Approach 2:
The patent implements partial monitoring action by focusing on temperature excursions above the nominal maximum rather than continuous full-range monitoring. The system logs duration only when temperature bands are exceeded, providing operational flexibility without requiring complex manufacturing of complete temperature management systems.
3Temperature
If continuous cooling infrastructure is deployed, then equipment temperature control is maintained, but energy consumption increases
Solution Approach 1:
The patent implements feedback through temperature band duration logging and risk index calculation. The system continuously monitors temperature excursions, accumulates risk based on duration and severity, and provides feedback that enables dynamic adjustment of cooling operations, reducing energy consumption while maintaining temperature control.
Solution Approach 2:
The patent uses periodic temperature sampling and cumulative risk calculation instead of continuous cooling operation. The system periodically logs temperature band durations and updates risk indices, enabling intermittent cooling adjustments that reduce energy consumption while maintaining adequate temperature control through risk-based thresholds.
4Duration of action of stationary object
If strict warranty temperature compliance is enforced, then equipment lifespan is extended, but operational flexibility and productivity deteriorate
Solution Approach 1:
The patent changes the warranty compliance parameter from binary (compliant/non-compliant) to continuous risk index measurement. This allows operational flexibility by permitting temporary temperature excursions within defined risk thresholds while still protecting equipment lifespan through cumulative risk tracking and alert mechanisms.
Solution Approach 2:
The patent implements dynamic warranty compliance assessment through real-time risk index calculation based on accumulated temperature band durations. The system dynamically adjusts operational flexibility by allowing higher short-term risk accumulation while maintaining long-term lifespan protection through cumulative risk thresholds and alert systems.
Data Source
AI summary
In a system, temperature measurements are logged. From the logged measurements, duration of operation of the system in each of a plurality of temperature bands is determined.