Hollow Fixed Pillar for Thermal Dissipation

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Solution Overview

Problem

Existing fixed pillars with solid metal bodies are inefficient in transmitting thermal energy from CPU and chip systems to the air, leading to potential damage to circuit board elements and reduced usage life due to inadequate heat loss efficiency.

Innovation Solution

A hollow metal body fixed pillar with a screw thread and grooves on either side allows air to flow through, enhancing heat exchange and loss efficiency by increasing the heat transfer area.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of energy

If a solid metal body is used for the fixed pillar, then the structural strength is maintained, but the heat loss efficiency deteriorates because thermal energy cannot quickly reach the surface for heat exchange

Engineering Contradiction:

Improveheat loss efficiencyVSAvoidmetal body structure

Core Design Contradiction:

Loss of energyVSDevice complexity

Solution Approach 1:

The solid metal body is segmented into a hollow structure with internal cavities and channels, dividing the interior space to create pathways for air flow. This segmentation allows thermal energy to reach the surface more efficiently while maintaining structural integrity through the distributed hollow framework.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The metal body is designed with a porous-like hollow structure containing multiple internal cavities and passages. This porous configuration increases the surface area available for heat exchange and facilitates air penetration throughout the interior, improving heat loss efficiency while preserving mechanical strength.

Inventive Principle:

Principle #31Porous materials

2Loss of energy

If a hollow metal body with grooves is used, then heat loss efficiency is improved by allowing air flow through the structure, but the manufacturing complexity increases

Engineering Contradiction:

Improvethermal energy dissipationVSAvoidhollow metal body fabrication

Core Design Contradiction:

Loss of energyVSEase of manufacture

Solution Approach 1:

The hollow metal body is segmented into modular sections with standardized grooves and cavities. This segmentation enables the complex hollow structure to be manufactured using conventional machining or molding processes applied to each segment separately, then assembled together, reducing overall manufacturing difficulty.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The hollow metal body design incorporates multi-functional grooves that serve both structural and thermal functions. The same grooves provide mechanical attachment points while simultaneously creating air flow pathways for heat dissipation, reducing the need for additional specialized features and simplifying manufacturing.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Area of stationary object

If the metal body is solid, then the structural integrity is maintained, but the heat exchange area with air is limited

Engineering Contradiction:

Improveheat exchange surface areaVSAvoidmetal body strength

Core Design Contradiction:

Area of stationary objectVSStrength

Solution Approach 1:

The metal body is segmented into a hollow structure with multiple internal walls and partitions. This segmentation dramatically increases the internal surface area available for heat exchange with air while the distributed wall structure maintains structural integrity through geometric reinforcement and material distribution.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The design transitions from a two-dimensional surface heat exchange (solid exterior) to a three-dimensional volumetric heat exchange by creating internal cavities and channels. This dimensional change allows air to penetrate and exchange heat throughout the entire volume of the metal body, vastly increasing the effective heat exchange surface area while maintaining external structural strength.

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

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 hollow metal body design significantly improves heat loss efficiency, reducing thermal energy on circuit boards and extending their usage life by effectively dissipating heat away from electric components.

Implementation Method 1

The air can pass through the metal body and exchange heat with the metal body

Methodology Applied

Scientific EffectHeat exchange: Convection

Implementation Method 2

the metal body can exchange heat with the air by touching of the metal body 10 and the air

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Data Source

PatentUS7330355B2Fixed pillar with heat loss

Publication Date: 2008.02.12 VIA TECH INC

AI summary

A fixed pillar with heat loss is a fixed pillar for losing heat. The fixed pillar with heat loss includes a metal body, a screw thread and a plurality of grooves. The metal body is a hollow body. The plurality of grooves is respectively set on two sides of the metal body and communicating with each other. The screw thread is set on one end of the metal body to fix a circuit or other electric devices. Air flows into one side of the metal body and then passes through the inner part of the metal body and last flow out from another side of the metal body. Accordingly, the metal body exchanges heat with the air to lose the thermal energy quickly.