Rounded Speaker Enclosure With Waveguide-Heatsink Integration
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Solution Overview
Problem
There is a need for compact electronic voice-activated devices that provide effective audible output and heat dissipation while maintaining a simple structure and low cost, particularly in smart home environments where visual displays are not available or accessible.
Innovation Solution
The implementation of a compact voice-activated device with a dual-purpose acoustic waveguide and heatsink design, where the waveguide redirects sound from internal speakers to the exterior while also dissipating heat generated by electronic components, using materials with high thermal conduction properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If the device uses a compact form factor to reduce size and cost, then the device complexity and manufacturing cost are reduced, but heat dissipation becomes more difficult and speaker performance may be compromised
Solution Approach 1:
The waveguide structure is merged with the heatsink function, creating a dual-purpose component. The waveguide channels sound from the speaker to the exterior while simultaneously serving as a heatsink to dissipate heat from electronic components, thereby resolving the contradiction between compact size and heat dissipation effectiveness
Solution Approach 2:
The waveguide structure performs multiple functions: acoustic transmission and heat dissipation. This multi-functionality allows the device to maintain compact dimensions while effectively managing both sound output and thermal dissipation, addressing the contradiction between small form factor and heat management requirements
2Adaptability or versatility
If the device integrates multiple electronic components (radio receivers, transmitters, processors, power circuitry) to provide voice-activated functions, then the device functionality is improved, but heat generation increases and complicates the design
Solution Approach 1:
The waveguide is combined with heatsink functionality to create a single structure that handles both acoustic transmission and thermal management. This allows the device to integrate multiple electronic components for versatile voice-activated functions while the unified waveguide-heatsink structure manages the resulting heat generation
3Ease of manufacture
If the device uses a simple structure to reduce manufacturing cost, then ease of manufacture is improved, but heat dissipation and speaker performance may be compromised
Solution Approach 1:
The waveguide and heatsink are merged into a single structure, reducing the number of separate components and assembly steps. This simplifies manufacturing while effectively addressing heat dissipation, as the unified structure serves dual purposes without requiring separate heat management components
Solution Approach 2:
The waveguide structure is designed to perform multiple functions (acoustic transmission and heat dissipation) simultaneously. This multi-functionality reduces the overall component count and structural complexity, making the device easier to manufacture while maintaining effective heat dissipation and speaker performance
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 design enables clear and efficient audible responses to user requests while effectively managing heat within a compact form factor, suitable for various smart home environments without the need for visible buttons or complex structures.
Implementation Method 1
the waveguide redirects sound from internal speakers to the exterior
Implementation Method 2
using materials with high thermal conduction properties
Implementation Method 3
dual-purpose acoustic waveguide and heatsink design
Data Source
AI summary
This application is directed to a speaker device having a rounded enclosure. The rounded enclosure includes two housing elements that are coupled to each other and have a substantially continuous transition. The rounded enclosure has a circular cross section defined by a first radius. A first housing element includes and extends past the circular cross section, and a second housing element has a second maximum radius that is smaller than the first radius. A speaker unit and a circuit board are arranged within the rounded enclosure. The circuit board is electrically coupled to the speaker unit. At least a portion of the first housing element includes perforations configured to enable transmission of sound generated by the speaker unit out of the speaker device. The second housing element has a power connector that is electrically coupled to the circuit board and is configured to receive power from an external power supply.