Speaker Structure Heat Dissipation via Convective Ducts
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Electronic devices face overheating issues due to inadequate heat dissipation from internal components, particularly in devices with integrated speakers and microphones, which can impair their operation.
Innovation Solution
The electronic device incorporates a heat radiating structure featuring a housing with a first plate and openings, a thermal conducting member with separate portions, and a speaker structure that directs heat away from components through a duct formed between the plate and the second opening, utilizing convective heat transfer enhanced by speaker vibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If components are integrated into the electronic device housing, then device functionality and compactness are improved, but heat dissipation capability deteriorates
Solution Approach 1:
The speaker structure serves dual purposes: it houses audio components (speaker, microphone) and simultaneously functions as a heat dissipation structure with integrated ducts and openings that channel hot air from power components to the external environment, merging audio and thermal management functions into a single integrated assembly
Solution Approach 2:
The housing structure is designed to perform multiple functions: it provides mechanical protection, houses audio components, creates acoustic cavities for speaker resonance, and serves as a thermal management system through integrated ducts and heat dissipation openings, eliminating the need for separate dedicated heat sinks
2Temperature
If a dedicated heat sink is added to improve heat dissipation, then temperature control is improved, but device complexity and space requirements worsen
Solution Approach 1:
The speaker structure is merged with the heat dissipation system, where the speaker housing forms the duct walls and the speaker mounting structure incorporates heat dissipation openings, eliminating the need for separate heat sink components
Solution Approach 2:
The speaker assembly serves as both the audio output device and the thermal management system, with the same structural elements (housing, ducts, openings) performing both acoustic and thermal functions, reducing overall device complexity
3Volume of moving object
If the speaker structure is positioned close to the first plate to save space, then device compactness is improved, but heat dissipation efficiency deteriorates
Solution Approach 1:
The heat dissipation ducts utilize the vertical space between the speaker structure and the first plate, channeling hot air upward through the thickness of the housing rather than requiring additional horizontal space, effectively using the Z-dimension for thermal management
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 effectively dissipates heat from components, preventing overheating and ensuring the reliable operation of electronic devices with integrated audio functions by leveraging the thermal conducting member and speaker-induced convective heat transfer.
Implementation Method 1
a first thermal conducting member disposed between the second plate and the power supply and having a first thermal conduction path extending in a second direction from the power supply toward the speaker structure
Implementation Method 2
utilizing convective heat transfer enhanced by speaker vibration
Implementation Method 3
having a first thermal conduction path extending in a second direction from the power supply toward the speaker structure
Data Source
AI summary
An electronic device is provided. The electronic device includes a housing including a first plate and at least one first opening; and a speaker structure spaced apart from the first plate and disposed in the housing, wherein the speaker structure includes a first structure which faces in a first direction, opposes the first plate, and forms a space connecting to the at least one first opening along with the first plate; a second opening formed by penetrating through a part of the first structure; at least one component disposed in the speaker structure and emitting heat; a thermal conducting member including a first portion disposed in the speaker structure and being in contact with the at least one component, and a second portion disposed in the second opening; and at least one speaker disposed in a direction different from the first direction.