Integrated Pump Liquid Cooled Heat Sink Design
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Solution Overview
Problem
Conventional liquid cooled heat sinks face issues with high coolant vaporizing rates, increased space requirements, and inconvenient assembly due to the placement and connection of the pump and conduit sections.
Innovation Solution
A liquid cooled heat sink design featuring a casing with a partitioning wall dividing it into upper and lower chambers, where the pump is mounted directly on the casing with a suction end in the upper chamber and a discharging end in the upper chamber, allowing for efficient fluid circulation between the chambers and an external cooling device.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the pump and conduit sections are mounted separately on the heat sink, then the coolant can circulate through the system, but the coolant vaporizing rate increases and the space requirement increases
Solution Approach 1:
The pump is merged with the heat sink body by mounting it directly on the heat sink, eliminating the need for separate conduit sections. This integration reduces the overall space requirement while maintaining coolant circulation functionality and reducing vaporizing rate by eliminating exposed conduit connections.
2Ease of manufacture
If the pump and conduit sections are mounted separately, then the system can be assembled, but the assembly process becomes inconvenient when space is limited
Solution Approach 1:
By integrating the pump directly onto the heat sink body, the number of separate components is reduced, simplifying the assembly process. This merging eliminates the need to connect multiple conduit sections in tight spaces, making assembly more convenient when space is limited.
3Reliability
If the pump is mounted on external conduit sections, then the coolant flow path is established, but the device complexity increases
Solution Approach 1:
The pump is integrated directly with the heat sink body, merging two components into one unified structure. This reduces the overall system complexity by eliminating separate conduit sections and their associated connections, while maintaining the coolant circulation function through the integrated design.
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
This design reduces coolant vaporizing rates, minimizes space requirements, and simplifies assembly by integrating the pump directly onto the casing, enhancing the heat dissipation efficiency and usability in compact spaces.
Implementation Method 1
a pump mounted on the casing and having a suction end disposed in the upper chamber, extending through the partitioning wall, and in fluid communication with the lower chamber for withdrawing fluid from the lower chamber
Implementation Method 2
a fin unit provided in the lower chamber
Implementation Method 3
a fin unit provided in the lower chamber
Implementation Method 4
a partitioning wall that divides the inner space into upper and lower chambers, the partitioning wall being formed with a fluid passage in fluid communication with the upper and lower chambers
Data Source
AI summary
A liquid cooled heat sink includes: a casing defining an inner space and provided with a partitioning wall dividing the inner space into upper and lower chambers and formed with a fluid passage in fluid communication with the upper and lower chambers, the casing being formed with a fluid inlet in fluid communication with the upper chamber and adapted to be connected to an external cooling device; a fin unit provided in the lower chamber; and a pump mounted on the casing and having a suction end disposed in the upper chamber, extending through the partitioning wall, and in fluid communication with the lower chamber, and a discharging end disposed in the upper chamber and adapted to be connected to an external cooling device.