Wireless Mesh Network for Data Center Cooling Control
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Solution Overview
Problem
Conventional data centers face significant energy inefficiencies in maintaining environmental conditions due to the need for excessive cooling, as they often cool entire rooms to meet the requirements of individual computing devices, leading to unnecessary energy consumption and waste.
Innovation Solution
The implementation of a wireless mesh network system using distributed wireless pressure differential sensors and temperature sensors to monitor and control cooling air or liquid volume and temperature, enabling adaptive and localized management of environmental conditions in data centers, allowing for precise control of cooling units and reducing energy usage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cooling units distribute cold air through aisles to meet environmental requirements, then computing systems are maintained within safe temperature ranges, but excessive energy is consumed due to cooling entire rooms rather than individual devices
Solution Approach 1:
The patent implements localized environmental control by deploying wireless sensors and cooling devices at specific rack locations rather than uniformly cooling entire rooms. Each rack receives customized cooling based on its actual thermal conditions, eliminating energy waste from cooling unused spaces while maintaining reliable temperature control where computing systems are present.
Solution Approach 2:
The data center environment is segmented into discrete rack-level zones with independent monitoring and control. Wireless sensors and cooling devices are distributed at the rack level, allowing each segment to be controlled independently based on its specific thermal conditions, rather than treating the entire room as a single controlled zone.
2Reliability
If cooling air is pushed through sub-plenum and racks to maintain environmental conditions, then computing systems operate within desired temperature ranges, but unnecessary energy costs are incurred due to excessive cooling air volume
Solution Approach 1:
The cooling system dynamically adjusts air flow rates and temperatures based on real-time thermal conditions measured by wireless sensors. Rather than maintaining constant high-volume cooling air flow, the system adapts cooling parameters to match actual computational loads and thermal conditions, reducing energy consumption while maintaining reliable environmental control.
Solution Approach 2:
Wireless temperature and pressure sensors provide continuous feedback on actual thermal conditions and air flow rates. This feedback enables the cooling control system to optimize air volume and temperature settings in real-time, eliminating excessive cooling while ensuring computing systems remain within desired temperature ranges.
3Measurement precision
If distributed wireless sensors are deployed to monitor environmental conditions at rack level, then precise localized control is achieved, but system complexity increases due to wireless mesh network infrastructure
Solution Approach 1:
The wireless sensor nodes are designed as multi-functional units that simultaneously perform temperature sensing, pressure differential measurement, and wireless communication. This consolidation of multiple functions into single nodes reduces overall system complexity compared to having separate devices for each function, while maintaining high measurement precision for environmental monitoring.
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 enables more efficient control of environmental conditions, leading to significant energy savings by optimizing cooling based on the specific needs of each computing device, reducing energy waste, and eliminating the need for excessive cooling.
Implementation Method 1
A network of wireless pressure differential sensors can be used to monitor the volume of cooling air/liquid
Implementation Method 2
Temperature sensors can be used to monitor the thermal conditions of the computing systems
Implementation Method 3
cooling units, such as computer room air conditioning (A/C) or air handling units distribute cold air or cold liquid to different racks
Data Source
AI summary
Various embodiments provide an apparatus and method for controlling environmental conditions in a data center using wireless mesh networks. An example embodiment includes receiving an alert message from a reporting wireless network sensor of a plurality of wireless network sensors via a wireless sensor network, the alert message including information indicative of a modification needed to an environmental condition; and using the information indicative of a modification needed to an environmental condition at a networked controller to command a device capable of modifying the environmental condition to modify the environmental condition in a manner corresponding to the information in the alert message.