Liquid Cooling Server Movable Plate for Easy Insertion
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Solution Overview
Problem
Existing liquid cooling server configurations face difficulties in the insertion and removal of a unit case accommodating a heat generating component, particularly due to the need for pressurization or depressurization of a liquid chamber each time the unit case is inserted or pulled out, which complicates the process and reduces workability.
Innovation Solution
A liquid cooling server design featuring a chassis with a unit case housing portion, a unit case that can be inserted and pulled out, a cooling module with a cooling plate and metal protrusions that facilitate heat transfer and ease of insertion/pulling, and heat transfer bodies that enhance thermal conductivity and durability, allowing for improved workability without requiring special preparatory work for insertion or removal.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If a liquid chamber is used to press the cooling plate onto the heat generating component, then the cooling ability is improved, but the insertion and removal of the unit case becomes complex due to pressurization and depressurization requirements
Solution Approach 1:
The cooling plate is designed to be movable in the vertical direction, allowing it to dynamically adjust its position. During insertion, the cooling plate moves downward to reduce interference; during removal, it moves upward to clear the unit case. This dynamic positioning resolves the contradiction by maintaining cooling contact when needed while enabling easy insertion and removal without pressurization cycles.
Solution Approach 2:
The cooling system is segmented into a movable cooling plate and a stationary cooling medium circulation system. The cooling plate can be independently positioned, allowing the cooling function to be maintained through thermal contact while the mechanical insertion/removal operation is simplified by decoupling the plate's vertical position from the liquid chamber pressure state.
2Stability of the object's composition
If the cooling plate is fixed to the chassis, then the cooling contact is stable, but the insertion and removal of the unit case becomes difficult due to interference from the cooling plate
Solution Approach 1:
The cooling plate transitions from a fixed position to a movable position in the vertical direction. This allows the plate to adapt its position: moving downward during unit case insertion to avoid interference, and moving upward during removal to clear the path, while maintaining stable thermal contact with the heat generating component when the unit case is installed.
Solution Approach 2:
The cooling plate is nested within the cooling module structure, allowing it to move vertically within the available space. This nested configuration enables the cooling plate to adjust its position relative to the unit case without requiring external mechanisms, resolving the conflict between stable cooling contact and ease of insertion/removal.
3Ease of operation
If the unit case is separated from the cooling module, then the workability of insertion and removal is improved, but the coupling mechanism becomes complex
Solution Approach 1:
The cooling plate is extracted from the fixed chassis structure and made movable within the cooling module. This extraction allows the unit case to be inserted and removed independently without requiring complex coupling mechanisms, as the cooling plate can simply move vertically to accommodate the unit case's presence or absence while maintaining thermal contact when needed.
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 design enhances the cooling ability of the liquid cooling server while improving the workability of inserting and pulling out the unit case, reducing the risk of water leakage and maintenance time, and maintaining system reliability by separating the cooling module and unit case, thus avoiding the need for complex coupling mechanisms.
Implementation Method 1
a heat transfer body configured to be provided between the metal portion and the first member in the second direction
Implementation Method 2
the heat transfer body being elasticity
Data Source
AI summary
A liquid cooling server includes a chassis including a unit case housing portion; a unit case which moves in a first direction for being inserted in and pulled out from the unit case housing portion and includes a heat generating component and a portion to be cooled; a cooling plate which is disposed to the chassis, opposes the unit case housing portion in a second direction perpendicular to the first direction, and includes a flow path through which a cooling medium flows; a metal portion which is provided to either one of the cooling plate and the portion to be cooled, includes a plurality of first protrusions which protrude in the second direction towards the unit case housing portion and are arranged in the first direction; and a heat transfer body provided between the metal portion and the first member in the second direction, the heat transfer body being elasticity.