Adjustable Cooling Zones for Server Hotspots and Fan Failures
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Solution Overview
Problem
Traditional thermal cooling systems for electronic devices are often designed for worst-case scenarios, leading to inefficiencies when components are not maximally loaded or when localized hotspots occur, and can be compromised by mechanical failures, resulting in inadequate cooling.
Innovation Solution
The implementation of adjustable air ducts and thermal partitions that can be dynamically rotated or moved to optimize cooling zone configurations based on real-time system needs, allowing for overlapping cooling zones to ensure efficient heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cooling devices are configured for worst-case scenarios with maximum components and load, then cooling capacity is maximized, but cooling efficiency deteriorates when system load is lower
Solution Approach 1:
The patent implements dynamically adjustable cooling devices including variable speed fans and movable thermal partitions that can change their operation and configuration based on real-time thermal conditions. This allows the cooling system to adapt its capacity to match actual heat generation, avoiding the energy waste of running at maximum capacity when lower cooling is sufficient.
Solution Approach 2:
The system changes operational parameters such as fan speed, airflow direction, and thermal partition positions based on detected thermal conditions. By adjusting these parameters dynamically rather than maintaining fixed worst-case settings, the system optimizes cooling efficiency while maintaining adequate cooling capacity.
2Device complexity
If fixed cooling configurations are used, then device complexity is reduced, but adaptability to varying system loads and component configurations deteriorates
Solution Approach 1:
The patent employs movable thermal partitions and adjustable air ducts that can reconfigure the cooling system's physical structure in response to changing thermal conditions, component configurations, or failures. This dynamic reconfigurability provides high adaptability without requiring a completely complex system design.
Solution Approach 2:
The cooling devices are designed to perform multiple functions: normal cooling, hotspot targeting, and failover compensation. The same adjustable fans and partitions serve different cooling needs based on system conditions, reducing the need for separate specialized components for each scenario.
3Measurement precision
If localized cooling zones are used for hotspots, then cooling precision is improved, but device complexity increases due to multiple cooling devices
Solution Approach 1:
The patent divides the cooling system into multiple adjustable zones using movable thermal partitions that can separate or combine cooling regions. This segmentation allows targeted cooling of specific hotspots while maintaining the ability to merge zones when full-system cooling is needed, managing complexity through controlled division.
Solution Approach 2:
The system uses dynamically reconfigurable cooling zones where thermal partitions and air ducts can move to create, expand, or contract cooling regions based on detected hotspot locations. This dynamic approach provides precise localized cooling without requiring permanently dedicated cooling devices for each potential hotspot.
4Device complexity
If single cooling devices are used, then device complexity is minimized, but reliability deteriorates when a cooling device fails
Solution Approach 1:
The patent enables multiple cooling devices and zones to be merged or combined through movable partitions and adjustable air ducts. When a cooling device fails, the system can reconfigure to merge adjacent cooling zones and redirect airflow to compensate for the failure, maintaining reliability without adding permanent redundant components.
Solution Approach 2:
The system dynamically reconfigures cooling device assignments and airflow paths based on operational status of individual components. If a device fails, the system adapts by redistributing cooling capacity across remaining functional devices, providing fault tolerance through dynamic reallocation rather than static redundancy.
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 enhances cooling efficiency by adapting to varying system loads and component configurations, effectively managing heat conditions and preventing overheating, even in the presence of mechanical failures.
Implementation Method 1
a plurality of cooling devices thermally coupled to a plurality of heat-generating components
Implementation Method 2
provide a plurality of cooling zones for the components
Data Source
AI summary
Apparatuses, methods and storage media associated with a plurality of cooling devices thermally coupled to a plurality of heat-generating components of an electronic device, such as a server, a configured rack of servers, or a configured rack of server elements, are disclosed herein. Each cooling device may be associated with a unique cooling zone for the components. Logic may be coupled with the plurality of cooling devices, and the logic may be configured to cause a first cooling zone of a first cooling device to overlap a second cooling zone of a second cooling device. Other embodiments may be described and/or claimed.