Viscous Fluid Shock Protection for Electronic Components
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Solution Overview
Problem
Electronic devices face cooling challenges in harsh environments due to increased heat generation in compact sizes, and existing cooling methods compromise the integrity of ruggedized housings, failing to effectively manage both shock and overheating.
Innovation Solution
A shock protection system utilizing a spring element and viscous liquid coolant to absorb shock and thermal energy, with isolated cavities and reservoirs to prevent electrical shorts and contamination, ensuring effective heat dissipation and protection from vibrational forces.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If traditional cooling methods are used in ruggedized housings, then heat dissipation is compromised, but the housing integrity that protects from shock and vibration is maintained
Solution Approach 1:
The housing is divided into separate functional zones: a rigid outer shell for shock protection and an internal cavity system for cooling. The cooling cavities are segmented and filled with viscous fluid, allowing thermal management without compromising the structural integrity of the main housing.
Solution Approach 2:
A viscous fluid is introduced as an intermediary cooling medium that can absorb and transfer heat effectively while being contained within sealed cavities. This fluid mediator enables heat dissipation without requiring direct exposure or openings in the ruggedized housing structure.
2Temperature
If cooling systems are added to ruggedized housings, then heat management improves, but the protection from shock and vibration is compromised
Solution Approach 1:
The cooling cavities and viscous fluid system are nested within the existing ruggedized housing structure. The cooling components are contained inside the protective shell, allowing both functions to coexist without interfering with each other's performance.
Solution Approach 2:
The viscous fluid in the cooling cavities serves a dual function: it provides thermal management and simultaneously acts as a shock-absorbing cushion. The fluid's viscosity and incompressibility allow it to dampen vibrations and shocks before they reach sensitive electronic components.
3Productivity
If compact size is reduced to increase processing power, then device portability improves, but heat generation in a smaller space increases
Solution Approach 1:
A hydraulic cooling system using viscous fluid is implemented within the compact device. The fluid circulates through sealed cavities, providing efficient heat transfer in a compact form factor that doesn't require large radiators or fans, thus maintaining portability while managing high heat density.
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 system effectively absorbs shock and thermal energy, preventing component degradation and failure, while maintaining the integrity of the housing by isolating electrically conductive elements and utilizing thermoconductive materials for efficient heat transfer.
Implementation Method 1
a viscous liquid for dampening and thermal transfer
Implementation Method 2
Energy extracted from the impulses is converted to heat and motion in the viscous fluid
Implementation Method 3
The spring element is positioned between the bottom portion and the circuitry interface panel to absorb shock or vibrational impulses
Implementation Method 4
The system utilizes a spring element and a viscous liquid for dampening and thermal transfer
Data Source
Figure 1~2
Figure 3~4
AI summary
An assembly for electrical components that will protect the components from G force trauma. The assembly will also prevent overheating of the component parts due to the trauma through the use of a coolant that will be employed when the trauma impacts the assembly.