Rack Cooling Assembly With Integrated Chassis for Safe Hot-Swap Maintenance
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Solution Overview
Problem
High-density data center racks face challenges in effectively cooling heat sources such as servers and power shelves due to heat accumulation, necessitating improved cooling systems that facilitate efficient heat dissipation without compromising maintenance convenience and safety.
Innovation Solution
A cooling system with a chassis and cooling unit, featuring a U-shaped tube and elastic members for secure contact, heat conduction units, and a coolant distribution system, allowing easy insertion and removal of components while ensuring effective heat transfer and uniform flow distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If traditional cooling systems with separate pipeline connections are used, then cooling function is provided, but maintenance convenience deteriorates and safety risks increase due to pipeline disconnection requirements
Solution Approach 1:
The cooling unit is integrated with the chassis to form a unified structure where the cooling unit and chassis constitute a complete assembly. This integration eliminates the need for separate pipeline connections, allowing the chassis to be directly loaded onto the rack without disconnection operations, thereby improving both maintenance convenience and safety
Solution Approach 2:
A connection structure with elastic members serves as an intermediary between the cooling unit and the rack body. The elastic members provide automatic connection and sealing functions, ensuring reliable fluid communication without requiring manual pipeline disconnection or connection operations during maintenance
2Productivity
If high-density racks are used to increase productivity, then space utilization improves, but heat accumulation worsens requiring more effective cooling
Solution Approach 1:
The cooling system provides localized cooling directly at the heat source location within the chassis. The cooling unit is positioned to contact the chassis where heat is generated, enabling targeted heat dissipation that is particularly effective in high-density configurations where heat accumulation is severe
Solution Approach 2:
Heat conduction units serve as intermediaries between the heat source and the cooling unit. These units facilitate efficient heat transfer from the heat source through the chassis to the cooling unit, enabling effective thermal management in compact high-density rack configurations
3Ease of manufacture
If simple cooling structures are used to reduce device complexity, then manufacturing ease improves, but cooling effectiveness deteriorates
Solution Approach 1:
The cooling system is divided into modular components including the cooling unit, chassis, and connection structure with elastic members. Each segment can be manufactured independently using standard processes, yet when assembled they create an integrated system that provides effective cooling without excessive complexity
Solution Approach 2:
The system uses adjustable parameters such as the inclination angle of the U-shaped tube (between 88.5 and 87 degrees) and the elasticity of the connection members to optimize cooling performance. These parameter adjustments allow effective cooling to be achieved through simple structural modifications rather than complex manufacturing processes
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 system provides efficient heat dissipation, reduces heat accumulation, and enhances maintenance safety by eliminating the need for pipeline disconnection during component loading/unloading, ensuring consistent cooling performance and reducing potential leakage hazards.
Implementation Method 1
an inner wall of the chassis has a heat conduction unit, and the heat source is in contact with the chassis via the heat conduction unit
Implementation Method 2
a cooling colloid is arranged between an inner surface of the chassis and the heat source
Implementation Method 3
an elastic member disposed between the tube and the inner wall surface of the outer casing
Data Source
AI summary
A cooling system, including an outer casing, a chassis, a heat source, and a cooling unit, is provided. The outer casing has a first surface and includes a water inlet and a water outlet arranged on the first surface. The chassis is disposed in the outer casing. The heat source is disposed in the chassis. The cooling unit contacts the chassis and is configured to cool the heat source. A rack including the cooling system is also provided.