Pivotable Rear-Door Cooling Unit for Data Center Maintenance
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Solution Overview
Problem
Conventional data center cooling systems are prone to downtime due to component failures, requiring shutdowns to prevent overheating, and often require interruption of cooling operations for maintenance, which can impact uptime and efficiency.
Innovation Solution
A rear-door cooling unit with a liquid-to-air heat exchanger, pivotable design, toolless component removal and installation, and redundant power supply units and fans, allowing for maintenance without interrupting cooling operations and enabling resilient operation even with component failures.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional cooling systems are used, then cooling function is provided, but system downtime occurs due to component failures requiring shutdowns
Solution Approach 1:
The cooling unit is divided into modular components (heat exchanger, fans, power supply units, controllers) that can be independently accessed and maintained. The rear-door design segments the maintenance access from the operational cooling components, allowing service without full system shutdown.
Solution Approach 2:
Redundant power supply units and fans are pre-installed in the cooling unit. When a component fails, the redundant component is already in place and can immediately take over, preventing system downtime and eliminating the need for shutdowns during component replacement.
2Ease of repair
If cooling operations are interrupted for maintenance, then component access is enabled, but uptime and efficiency are impacted
Solution Approach 1:
The rear-door cooling unit incorporates a pivotable door mechanism that dynamically opens to provide access to components on the second side while the cooling unit remains mounted and operational on the rack. This allows maintenance personnel to access and service components without removing the entire cooling unit or shutting down the system.
Solution Approach 2:
The cooling system maintains continuous operation during maintenance activities. The pivotable door design and redundant components enable service work to proceed while the cooling function remains active, ensuring uninterrupted thermal management of the electrical equipment.
3Ease of operation
If components are made accessible from the second side, then maintenance is simplified, but device structure becomes more complex
Solution Approach 1:
The rear-door cooling unit incorporates a pivotable door mechanism that dynamically opens to provide access to components on the second side while the cooling unit remains mounted and operational on the rack. This allows maintenance personnel to access and service components without removing the entire cooling unit or shutting down the system.
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
The solution provides continuous cooling and reduces downtime by allowing maintenance without shutting down the system, enhancing reliability and efficiency through toolless access and redundant components.
Implementation Method 1
The liquid coolant can be delivered to components of electrical equipment to provide a heat transfer from those components to the heat of the liquid coolant
Implementation Method 2
The fan, the controller, and the power supply unit, can be mounted to the rear-door cooling unit at the second side
Data Source
AI summary
Embodiments of the present disclosure provide a cooling system for electrical equipment. The cooling system includes a rack, a rear-door cooling unit, a liquid-to-air heat exchanger, a fan, a controller, and a power supply unit. The rear-door cooling unit is mounted to the rack, and is pivotable about a first axis between an open position and a closed position. The rear-door cooling unit defines a first side proximate the rack, and a second side opposite the first side. The liquid-to-air heat exchanger is mounted within the rear-door cooling unit. The fan, the controller, and the power supply unit are mounted to the rear-door cooling unit at the second side, and are accessible from the second side when the rear-door cooling unit is in the closed position.