Speaker Module Mounting Structure for Compact Electronic Devices
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Solution Overview
Problem
Compact electronic devices face challenges in securing a sufficient resonance space for speaker modules, which compromises sound quality and portability, as larger resonance spaces can lead to mechanical vibrations that transmit noise to the device and user.
Innovation Solution
A speaker module mounting structure that includes a case member with protruding members and an enclosure with receiving recesses, where engaging members are used to fix the enclosure to the case member, minimizing resonance space reduction and utilizing elastic materials to absorb mechanical vibrations, thereby reducing noise transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the resonance space of the speaker module is increased to improve sound quality, then the sound quality and volume are enhanced, but the portability of the electronic device decreases and the device becomes bulkier
Solution Approach 1:
The speaker module is divided into distinct functional components: the speaker unit, the resonance chamber, and the damping member. This segmentation allows each component to be optimized independently - the resonance chamber can be maximized for sound quality while the damping member controls vibrations, without requiring the entire device to be larger
Solution Approach 2:
A damping member is introduced as an intermediary element between the speaker unit and the resonance chamber. This damping member absorbs mechanical vibrations generated by the speaker, preventing noise transmission to the device housing while maintaining the necessary resonance space for high-quality sound output
2Reliability
If the resonance space is increased to provide richer volume and wide bandwidth, then sound quality improves, but mechanical vibration increases and transmits noise to the device structure and user
Solution Approach 1:
The damping member converts the harmful mechanical vibrations into beneficial acoustic energy within the resonance chamber. Instead of allowing vibrations to transmit directly to the device housing and create noise, the damping member absorbs and dissipates this energy within the enclosed resonance space, transforming potential harm into enhanced sound quality
Solution Approach 2:
The damping member serves as a mediator that intercepts mechanical vibrations from the speaker unit before they can propagate to the device structure. By positioning this damping element within the resonance chamber, it selectively absorbs vibration energy while allowing acoustic waves to continue propagating, thus filtering harmful vibrations from beneficial sound waves
3Volume of moving object
If a compact structure is used to maintain portability, then the device size is reduced, but the resonance space for the speaker module is insufficient, compromising sound quality
Solution Approach 1:
The speaker unit is nested within the resonance chamber in a compact configuration. The damping member is positioned within the resonance chamber space, utilizing the internal volume efficiently. This nested arrangement maximizes the resonance-to-occupancy ratio, allowing high-quality sound output in a compact device form factor
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 solution enhances sound quality by maintaining a better resonance-to-occupancy ratio and reduces noise from mechanical vibrations, improving the user experience in compact electronic devices.
Implementation Method 1
a damping member disposed between the speaker unit and the resonance chamber, and configured to damp vibrations generated when the speaker unit outputs sound
Implementation Method 2
an enclosure configured to receive at least a portion of the speaker unit, a resonance chamber disposed between the speaker unit and the enclosure, and configured to provide resonance for sound output from the speaker unit
Data Source
AI summary
An electronic device is provided The electronic device includes a first case member, a plurality of protruding members provided on the first case member or a supporting member disposed on the first case member, at least one speaker, an enclosure configured to receive at least a portion of the speaker and including a plurality of receiving recesses formed in a side surface of the enclosure, and engaging members engaged to the enclosure and at least partially positioned in the receiving recesses, respectively. The engaging members may be engaged to one of the plurality of protruding members, respectively, to fix the enclosure to the first case member or the support member disposed on the first case member. Other various embodiments are possible as well.