Speaker Enclosure Vent for Heat Sink Integration

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Solution Overview

Problem

Compact electrical equipment with speaker enclosures faces challenges in heat dissipation due to limited volume, leading to inefficiencies in cooling electronic components.

Innovation Solution

The integration of a speaker enclosure with a vent and a thermally conductive element that extends from the vent and is coupled with electronic components, enhancing heat dissipation through additional surface area and air flow.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Volume of moving object

If a compact design is used to reduce equipment volume, then the overall size is reduced, but the heat dissipation capability deteriorates due to limited air volume around components

Engineering Contradiction:

Improveequipment volumeVSAvoidheat dissipation capability

Core Design Contradiction:

Volume of moving objectVSTemperature

Solution Approach 1:

The patent combines the speaker enclosure with the heat sink device into a single integrated structure. The speaker chamber serves dual purposes: acoustic enclosure and heat dissipation chamber. The vent in the speaker enclosure simultaneously performs acoustic functions and provides air flow paths for cooling electronic components, merging two separate functions into one unified structure.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The speaker enclosure is designed to serve multiple functions: it acts as both an acoustic enclosure for the loudspeaker and a heat sink for electronic components. The vent structure provides both acoustic tuning for the speaker and serves as an air flow channel for convective cooling, demonstrating multi-functionality that addresses both audio performance and thermal management in a compact design.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Temperature

If radiators and heat sinks are added to improve heat dissipation, then the heat removal capability is enhanced, but the device complexity increases and the available volume for these devices is reduced

Engineering Contradiction:

Improveheat dissipation effectivenessVSAvoidcooling device complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The heat sink device is merged with the speaker enclosure structure. The enclosure walls themselves serve as heat dissipation surfaces, and the vent structure is shared between acoustic and thermal functions. This integration eliminates the need for separate, additional cooling devices, thereby reducing device complexity while maintaining effective heat dissipation.

Inventive Principle:

Principle #5Merging (Combining)

Solution Approach 2:

The speaker enclosure structure is designed to perform both acoustic containment and thermal dissipation functions. The same physical structures (enclosure walls, vent) serve dual purposes, eliminating the need for dedicated separate cooling components and reducing overall device complexity.

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Temperature

If a fan is used to enhance cooling, then the heat dissipation is improved, but the space constraints are violated and audio signal disturbances are generated

Engineering Contradiction:

Improveheat dissipationVSAvoidaudio signal disturbance

Core Design Contradiction:

TemperatureVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the mechanical fan-based forced convection system with a passive convection system utilizing natural air flow through the vent. This substitution eliminates the mechanical moving parts that would generate audio disturbances while still achieving effective heat dissipation through thermally-driven natural convection currents.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The cooling system operates autonomously without requiring external power or active control. The vent structure enables natural convection where heated air rises and draws in cooler air, creating a self-sustaining cooling circulation that eliminates the need for powered fans and their associated audio disturbances.

Inventive Principle:

Principle #25Self-service

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 improves heat dissipation by providing an additional heat dissipation surface and maximizing air flow contact, effectively addressing the limitations of compact designs.

Implementation Method 1

a heat sink device arranged to dissipate the heat generated by the electronic component and comprising both the vent and also a thermally conductive element that extends from an end of the vent and that is thermally coupled with the electronic component

Methodology Applied

Scientific EffectThermal conduction: Conduction (thermal)

Implementation Method 2

in operation, the surface of the vent is in contact with a flow of air that is considerable, thereby further improving the dissipation of the heat produced by the electronic component

Methodology Applied

Scientific EffectConvection: Convection

Data Source

PatentUS12309565B2Heat sink vent

Publication Date: 2025.05.20 SAGEMCOM BROADBAND SAS

AI summary

Equipment includes a speaker enclosure comprising a chamber, a loudspeaker, and a vent; an electronic component; a heat sink device arranged to dissipate the heat generated by the electronic component and comprising both the vent and also a thermally conductive element that extends from an end of the vent and that is thermally coupled with the electronic component.