Compact Liquid Cooling Pump with Curved Impeller Blades
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Solution Overview
Problem
There is a challenge in designing liquid cooling systems for lighter, thinner, and smaller electronic elements and devices that require the same cooling performance as their heavier, wider, and larger counterparts, while also maintaining an aesthetically pleasing appearance and efficient heat dissipation.
Innovation Solution
A liquid cooling heat exchange apparatus is designed with a water block set and a pump unit, featuring a surge directing plate and an aesthetic cover, which enhances fluid flow and pressure, and incorporates an impeller with curved blades and a light assembly for an aesthetically pleasing effect.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If a liquid cooling system is designed for lighter, thinner, and smaller electronic elements, then the device size is reduced, but the cooling performance and head specification are compromised
Solution Approach 1:
The patent combines the water block and pump unit into a single integrated assembly where the pump unit is securely mounted on the water block set. This merging allows the compact pump to directly couple with the heat exchange surface, maintaining cooling effectiveness while reducing overall device size and weight.
Solution Approach 2:
The pump unit is positioned in direct thermal contact with the water block at the location where cooling is most needed. The impeller assembly is locally optimized with curved blades to maximize fluid agitation and heat transfer efficiency at the critical heat exchange interface, ensuring adequate cooling performance in a compact form.
2Weight of moving object
If the pump unit is made lighter and smaller, then the overall device weight is reduced, but the head and flow rate capability deteriorates
Solution Approach 1:
The impeller features curved blades with optimized curvature profiles that enhance fluid acceleration and pressure generation. The curved geometry allows the small impeller to generate higher head and flow rates by improving fluid dynamics efficiency, compensating for the reduced size and weight of the pump unit.
Solution Approach 2:
The pump unit parameters are optimized by adjusting impeller blade curvature, number of blades, and rotational speed to achieve the required head and flow rate specifications. The motor speed and impeller geometry are tuned to maximize power output within the constrained weight and size limits of the compact pump design.
3Ease of manufacture
If the water block design is simplified for smaller devices, then manufacturing is easier, but heat dissipation efficiency is reduced
Solution Approach 1:
The water block is segmented into modular components including the water block body, water block cover, and surge directing plate that can be manufactured separately and then assembled. This segmentation enables easier fabrication of each component while maintaining the overall heat dissipation efficiency through precise assembly and thermal contact interfaces.
Solution Approach 2:
The surge directing plate is integrated with the water block assembly, combining the heat exchange function with fluid flow direction control in a single integrated structure. This merging reduces the number of separate manufacturing steps while ensuring efficient heat transfer from the electronic elements through the water block to the circulating fluid.
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 apparatus achieves efficient heat dissipation and aesthetically pleasing appearance by optimizing fluid flow and pressure, meeting the cooling demands of smaller electronic devices while minimizing components and enhancing user experience.
Implementation Method 1
The water block, having a heat transfer surface comprising a width, is configured to exchange heat with the working fluid
Implementation Method 2
The stator assembly is assembled to the rotor housing opposite the impeller cavity, facing the water block cover, and is configured to increase a pressure and flow through of the working fluid
Implementation Method 3
The rotor housing comprises an impeller cavity having an impeller cavity inlet and an impeller cavity outlet
Data Source
AI summary
A liquid cooling heat exchange apparatus comprising a water block set and pump unit is provided. The water block set has a water block cover having an inlet port, cover diversion channel, cover diversion opening, cover outlet through hole and outlet port, surge directing plate having a plate cover end, and water block. The pump unit has a rotor housing having an impeller cavity comprising an inlet and outlet. The inlet and outlet ports and the cover diversion opening is at a same side, the cover outlet through hole is at an opposite side. During operation, working fluid is sucked via the inlet port, pass the cover diversion channel covered by the plate cover end, through the cover diversion opening and impeller cavity inlet, through the impeller cavity, and outlet, and cover outlet through hole, and through the water block, before exiting through the outlet port.