Pressure Plate Concentrates Spring Forces on Heatsink
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Solution Overview
Problem
Spring-loaded heatsinks can deform and damage electronic components due to the pressure applied by springs, leading to impaired thermal coupling and potential overheating in electronic devices.
Innovation Solution
A pressure plate is used to concentrate the forces applied by springs onto a designated area of the heatsink, preventing deformation and ensuring secure thermal coupling with electronic components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If springs apply pressure to support thermal coupling between heatsink and electronic component, then thermal coupling is maintained, but heatsink deformation and electronic component damage occur
Solution Approach 1:
A pressure plate is introduced as an intermediary component between the springs and the heatsink. The pressure plate distributes the spring forces across a larger area of the heatsink base, preventing localized stress concentrations that would cause deformation. This mediator allows the springs to maintain thermal coupling pressure without directly transmitting damaging point loads to the heatsink structure.
Solution Approach 2:
The pressure plate creates a localized distribution of force across the heatsink base, transforming the concentrated spring force into a distributed pressure field. This local quality change ensures that the thermal coupling interface receives adequate pressure while the heatsink structure experiences reduced stress concentration, preventing deformation in critical areas.
2Reliability
If springs apply pressure to support thermal coupling, then thermal transfer is enabled, but electronic component deformation and damage occur
Solution Approach 1:
The pressure plate serves as a protective intermediary between the springs and the electronic component. It distributes the spring forces before they reach the electronic component, preventing excessive localized pressure that would cause deformation or damage. This intermediary layer maintains the necessary pressure for thermal transfer while protecting the electronic component from harmful stress concentrations.
Solution Approach 2:
By distributing the spring force across a larger area of the electronic component through the pressure plate, the local stress intensity is reduced. This allows adequate pressure to be applied for thermal transfer while preventing the localized over-stressing that would damage the electronic component.
3Temperature
If high-performing heatsink is used to improve cooling, then thermal dissipation performance increases, but weight and applied pressure increase causing deformation
Solution Approach 1:
The pressure plate acts as a force-distributing intermediary that allows high-performing (and therefore heavier) heatsinks to be used without causing deformation. By distributing the spring pressure across a larger area, the pressure plate enables the use of more substantial heatsink designs that provide superior cooling performance while preventing the weight-induced deformation problems.
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 solution maintains the structural integrity and thermal transfer capabilities of the heatsink while protecting the electronic components from damage, enhancing the performance and longevity of the cooling system.
Implementation Method 1
a plurality of springs that apply forces that support the thermal coupling between the designated area of the heatsink and the heat-emitting component
Implementation Method 2
a pressure plate that concentrates the forces applied by the springs toward the designated area of the heatsink
Implementation Method 3
heatsinks designed to transfer and/or dissipate heat. The heatsinks may include thermally conductive material that transfers heat away from the electronic components
Data Source
AI summary
A disclosed apparatus may include (1) a heat-emitting component, (2) a heatsink that includes a designated area thermally coupled to the heat-emitting component, (3) a plurality of springs that apply forces that support the thermal coupling between the designated area of the heatsink and the heat-emitting component, and (4) a pressure plate that concentrates the forces applied by the springs toward the designated area of the heatsink. Various other apparatuses, systems, and methods are also disclosed.