Heating Element Cooling Structure with Pin Fin Heat Distribution
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Solution Overview
Problem
Heating elements with pin fins, originally designed for water-cooled applications, face breakage risks when attempting to attach external air-cooled cooling fins due to insufficient structural support, as they are not designed to withstand strong pressing forces.
Innovation Solution
A cooling structure featuring a heat receiving plate with holes to accommodate pin fins, clamping members to sandwich the heating element and the plate, and space securing parts to prevent direct pressing force on the heating element, allowing for air-cooled cooling without applying excessive force.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If external cooling fins are attached to the heating element by bolting, then cooling performance is improved, but the heating element may break due to excessive pressing force
Solution Approach 1:
The patent introduces a pressing force distribution member as an intermediary component between the clamping member and the heating element. This mediator distributes the pressing force from the clamping member across multiple pin fins rather than concentrating it on a single point, thereby achieving effective thermal contact without causing structural damage to the heating element
Solution Approach 2:
The pressing force distribution member features multiple pressing portions that correspond to individual pin fins. By segmenting the pressing force into multiple discrete contact points, the system achieves adequate thermal contact pressure while preventing excessive force concentration that would damage the heating element structure
2Force
If clamping members apply strong pressing force to secure the heating element and heat receiving plate, then thermal contact is improved, but the heating element may break
Solution Approach 1:
The pressing force distribution member serves as a mechanical intermediary that transforms the concentrated clamping force into distributed contact forces. This allows the clamping member to apply sufficient total force for thermal contact while the distribution member ensures no single point exceeds the heating element's structural tolerance
Solution Approach 2:
The pressing force distribution member provides different local pressing characteristics for each pin fin region. Each pressing portion is designed to apply appropriate localized force to its corresponding pin fin, ensuring adequate thermal contact pressure without exceeding structural limits at any specific location
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
Enables effective cooling of heating elements with pin fins while preventing breakage by distributing the clamping force away from the heating element, ensuring efficient heat dissipation and maintaining structural integrity.
Implementation Method 1
a heat receiving plate which has a shape complying with the cooling surface and in which holes are formed at positions facing each of the pin fins, each of the pin fins being movably inserted into the holes
Implementation Method 2
a cooler which has a pair of clamping members that sandwich therebetween the heating element and the heat receiving plate while pressing the heating element and the heat receiving plate, and which cools the heat receiving plate
Data Source
AI summary
A cooling structure of a heating element includes: the heating element having at least one cooling surface from which a plurality of pin fins project; a heat receiving plate which has a shape complying with the cooling surface and in which holes are formed at positions facing each pin fin, each pin fin being movably inserted into the holes; a cooler which has a pair of clamping members that sandwich therebetween the heating element and the heat receiving plate while pressing the heating element and the heat receiving plate, and which cools the heat receiving plate; and a space securing part which is provided on the heat receiving plate and suppresses a distance between the pair of clamping members so as not to apply a pressing force by the clamping members to the heating element.