Television Heat Transfer Mechanism with Deflecting Member

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Solution Overview

Problem

Existing electronic devices face inefficiencies in heat discharge due to air flow resistance and heat accumulation, particularly when the heat receiving portion of the heat transfer mechanism is positioned above the heat releasing portion, leading to reduced heat transfer efficiency and potential warming of the housing.

Innovation Solution

The electronic device incorporates a heat transfer mechanism with the heat receiving portion positioned below the heat releasing portion, combined with heat releasing fins and a fan that generates airflow through gaps between the fins, and a deflecting member made of synthetic resin to direct airflow towards an exhaust outlet, preventing heat from reaching the housing and maintaining efficiency.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Device complexity

If the heat receiving portion is positioned above the heat releasing portion, then the device structure is simplified, but heat transfer efficiency deteriorates and heat accumulation occurs

Engineering Contradiction:

Improveheat transfer mechanism structureVSAvoidheat transfer efficiency

Core Design Contradiction:

Device complexityVSLoss of energy

Solution Approach 1:

The patent inverts the conventional arrangement by positioning the heat receiving portion below the heat releasing portion. This inversion allows the air flow to naturally move from the lower heat receiving area to the upper heat releasing area, improving heat transfer efficiency while preventing heat accumulation in the housing.

Inventive Principle:

Principle #13The other way round (Inversion)

2Productivity

If air flow passes through gaps between heat releasing fins, then heat discharge efficiency is improved, but air flow leakage occurs

Engineering Contradiction:

Improveheat discharge efficiencyVSAvoidair flow leakage

Core Design Contradiction:

ProductivityVSLoss of energy

Solution Approach 1:

The deflecting member acts as an intermediary element that guides the air flow through the gaps between heat releasing fins toward the exhaust outlet. It prevents air flow leakage by directing the flow path, ensuring that the beneficial heat discharge through fin gaps does not result in energy loss.

Inventive Principle:

Principle #24Intermediary (Mediator)

3Productivity

If a deflecting member is added to direct air flow, then heat discharge efficiency is improved, but device complexity increases

Engineering Contradiction:

Improveheat discharge efficiencyVSAvoidheat transfer mechanism structure

Core Design Contradiction:

ProductivityVSDevice complexity

Solution Approach 1:

The deflecting member is implemented as a thin, flexible component that can be easily integrated into the existing heat transfer mechanism. This thin-film approach provides the necessary flow direction control without significantly increasing device complexity or occupying excessive space within the housing.

Inventive Principle:

Principle #30Flexible shells and thin films

4Loss of energy

If heat is discharged through exhaust outlet on outer wall, then heat removal is achieved, but housing warming occurs

Engineering Contradiction:

Improveheat removal efficiencyVSAvoidhousing temperature

Core Design Contradiction:

Loss of energyVSObject-affected harmful factors

Solution Approach 1:

The patent extracts the heat from the housing interior by directing air flow through the heat transfer mechanism and exhausting it through the outer wall outlet. The deflecting member ensures that hot air is efficiently extracted and directed outward, preventing heat accumulation and housing warming.

Inventive Principle:

Principle #2Taking out (Extraction)

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 configuration enhances heat discharge efficiency by preventing airflow leakage and heat accumulation, maintaining effective heat transfer and reducing the risk of housing warming, while allowing for a simpler and stronger bonding solution.

Implementation Method 1

a heat transferring portion configured to house a medium that transfers heat from the heat receiving portion to the heat releasing portion

Methodology Applied

Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 2

The fan is configured to generate an air flow that flows through the gaps

Methodology Applied

Scientific EffectForced convection: Forced Convection

Implementation Method 3

The deflecting member is configured to deflect the air flow toward an exhaust outlet formed in the housing

Methodology Applied

Scientific EffectFluid deflection:

Data Source

PatentUS8531838B2Television apparatus and electronic device

Publication Date: 2013.09.10 DYNABOOK INC

AI summary

According to one embodiment, a television apparatus includes an exothermic component, a heat transfer mechanism, a plurality of heat releasing fins, a fan, and a deflecting member. The exothermic component is housed in a housing. The heat transfer mechanism is at least partially housed in the housing. The heat transfer mechanism includes a heat receiving portion that receives heat from the exothermic component, a heat releasing portion that releases heat, and a heat transferring portion that houses a medium to transfer heat from the heat receiving portion to the heat releasing portion. The heat releasing fins are thermally connected to the heat releasing portion and arranged with gaps therebetween. The fan generates an air flow flowing through the gaps. The deflecting member is located at least downstream of the gaps to cover the gaps. The deflecting member deflects the air flow toward an exhaust outlet formed in the housing.