Liquid Cooling Block Partition Structure for Pressure-Resistant Channels
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Solution Overview
Problem
Existing liquid cooling systems face issues with structural integrity due to increased pressure from phase change of refrigerants, which can damage rubber partitions and compromise the water block's functionality.
Innovation Solution
A liquid cooling device with a thermally conductive base, metallic partition, and covering structure that prevents welding material from entering channels, providing a rigid and strong structure by welding the metallic partition to the covering structure and cover, thereby enhancing durability and preventing damage from pressure increases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a rubber partition is used in the water block, then the water block can be manufactured with flexible sealing, but the structural strength is insufficient and it gets damaged under increased pressure from refrigerant phase change
Solution Approach 1:
The material of the partition is changed from rubber to metal, fundamentally altering the mechanical properties to achieve both sufficient strength under pressure and adequate sealing capability through the metallic material's inherent properties
Solution Approach 2:
The partition structure combines metal material with welding connections to create a composite structure that leverages the strength of metal while maintaining sealing effectiveness through precise fabrication and assembly
2Strength
If welding is used to join the partition to the cover, then a strong and rigid structure is achieved, but welding material may enter the channels and clog them
Solution Approach 1:
The partition is designed with pre-formed edges or positioning features that prevent welding material from entering the channels during the welding process, addressing the potential clogging issue before it occurs
Solution Approach 2:
A protective barrier or shielding structure is introduced during welding to prevent welding material from contaminating the channels, acting as an intermediary between the welding process and the channel interior
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 ensures a robust liquid cooling device that maintains structural integrity under pressure changes, preventing damage from welding materials and ensuring efficient heat transfer without compromising the cooling system's performance.
Implementation Method 1
a thermally conductive base having a fluid chamber and a plurality of fins... Every two of the fins located adjacent to each other define a channel therebetween
Implementation Method 2
The refrigerant is able to take away heat by undergoing phase change between liquid and gas. When the refrigerant in liquid phase absorbs the discharged heat and vaporized, it causes the interior pressure of the water block to increase
Implementation Method 3
The metallic partition is located between and welded to the covering structure and the cover
Data Source
AI summary
A liquid cooling device includes a thermally conductive base, a cover, and a metallic partition. The thermally conductive base has a fluid chamber and a plurality of fins. The fins are located in the fluid chamber and protrudes from an inner surface of the thermally conductive base facing the fluid chamber. Every two of the fins located adjacent to each other define a channel therebetween. Distal ends of at least part of the fins located away from the inner surface together form a covering structure partially coving the channels. The metallic partition is located between and welded to the covering structure and the cover.