Heat Pipe Fin Assembly Layout for Compact Thermal Modules
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Solution Overview
Problem
Conventional heat dissipation devices have inefficiencies due to unused heat transfer areas, reduced structural strength, increased manufacturing costs, and unsuitability for electronic products with limited internal space.
Innovation Solution
The thermal module features heat pipe groups with heat dissipating sections fully extended between radiating fin assemblies, eliminating the need for additional supporting members and enhancing structural strength, while maintaining close contact with radiating fins for efficient heat transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If heat pipes are bent at specific curvatures to extend into notches in radiating fin groups, then heat pipes can be positioned to cool heat sources, but unused waste areas are created between bent portions reducing heat transfer efficiency
Solution Approach 1:
The heat pipe is divided into three distinct sections: a straight evaporating section, a bent heat transferring section, and a straight heat dissipating section. This segmentation allows each section to perform its specific function optimally while eliminating unused spaces between bent portions that were present in conventional designs.
Solution Approach 2:
Instead of bending the entire heat pipe or creating curved paths that leave gaps, the invention inverts the approach by using straight sections connected through a bent portion. The bent portion is minimized to only what is necessary for positioning, while the majority of the heat pipe remains straight to ensure full contact with radiating fins and maximize heat transfer efficiency.
2Strength
If additional supporting members are added to radiating fin groups to provide structural strength, then structural integrity is improved, but manufacturing cost and device complexity increase
Solution Approach 1:
The heat pipe serves multiple functions: it transfers heat from the heat source, acts as a structural support member for the radiating fin group, and dissipates heat through its straight sections. By making the heat pipe multi-functional, additional supporting members are eliminated, reducing manufacturing cost and device complexity while maintaining structural strength.
Solution Approach 2:
The invention merges the function of the heat pipe with the supporting structure of the radiating fin group. The heat pipe is integrated to provide both thermal management and mechanical support, combining what were previously separate components into a unified structure that reduces overall complexity.
3Temperature
If heat pipes are bent to extend into notches, then heat dissipation can be achieved, but the bent portions create inactive heat transfer zones reducing overall heat transfer distance
Solution Approach 1:
The heat pipe is segmented into straight evaporating and heat dissipating sections connected by a bent heat transferring section. This ensures that the majority of the heat pipe length remains straight and in contact with radiating fins, maximizing the active heat transfer distance while the bent portion is minimized to only what is necessary for positioning.
Solution Approach 2:
The straight sections of the heat pipe maintain continuous contact with the radiating fin groups, ensuring uninterrupted heat transfer along the entire length of the straight sections. This continuity of useful action maximizes heat transfer efficiency by eliminating inactive zones where heat would not be effectively dissipated.
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 achieves improved heat transfer efficiency, reduced manufacturing costs, and enhanced structural strength, while being more compact and suitable for use in electronic products with limited space.
Implementation Method 1
Each of the heat pipes includes a heat absorbing section and a heat dissipating section formed at two opposite ends thereof
Implementation Method 2
The evaporating sections 9111 are connected to a water block 94A in contact with a heat source
Implementation Method 3
a first radiating fin group 931, a second radiating fin group 932 and a third radiating fin group 933
Implementation Method 4
The condensing sections 9112 are correspondingly extended into the upper notch 9314
Data Source
AI summary
A thermal module includes a radiating fin unit having a plurality of superposed radiating fin assemblies, and a plurality of groups of heat pipes. The heat pipes respectively have a heat absorbing section and a heat dissipating section formed at two opposite ends thereof. The heat absorbing sections in each heat pipe group is in contact with a heat source, and the heat dissipating sections in the same heat pipe group is sandwiched between two adjacent ones of the radiating fin assemblies. The thermal module is characterized in that the heat dissipating sections are horizontally extended through the radiating fin assemblies from one of two opposite shorter sides to another shorter side along two parallel longer sides thereof, such that the heat dissipating sections not only have a maximum contact area with the radiating fin assemblies, but also give the radiating fin unit an enhanced structural strength.