Woofer Speaker Mounting Structure Vibration Isolation
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Solution Overview
Problem
Portable computers face operational reliability issues due to vibrations generated by woofer speakers, which affect keyboard performance.
Innovation Solution
A woofer speaker mounting structure that uses dampers with elastic material and shock-absorbing properties to absorb vibrations, preventing direct contact between the woofer speaker and the computer's bottom case, thereby reducing vibration transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the woofer speaker is installed within the portable computer, then the multimedia function is enhanced with bass sound production, but vibrations are generated that deteriorate the operational reliability of the keyboard
Solution Approach 1:
A damper is introduced as an intermediary component between the woofer speaker and the bottom case. The damper absorbs vibrations generated by the woofer speaker, preventing them from being transmitted to the bottom case and keyboard. This mediator component resolves the contradiction by allowing the woofer to function while protecting the keyboard from vibration-induced reliability issues.
Solution Approach 2:
The vibration energy generated by the woofer speaker, which is initially harmful to the keyboard, is converted into a beneficial effect by using the damper to absorb and dissipate this energy. The damper transforms the harmful mechanical vibrations into heat energy through internal friction, thereby protecting the keyboard while maintaining the woofer's bass sound production capability.
2Device complexity
If the woofer speaker is directly coupled to the bottom case, then the structure is simple, but vibrations are transmitted to other peripheral equipment
Solution Approach 1:
The damper serves as a mediator component inserted between the woofer speaker and the bottom case. This additional component increases structural complexity slightly but effectively blocks the transmission path of vibrations to other peripheral equipment, resolving the contradiction between structural simplicity and vibration isolation.
3Reliability
If dampers are used to absorb vibrations, then vibration transmission is reduced, but the device complexity increases
Solution Approach 1:
The damper is designed as a simple, inexpensive component that can be easily replaced if needed. This approach accepts the increased device complexity as a minimal trade-off for significantly improved reliability, using a simple sacrificial component rather than a complex active vibration control system.
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 effectively absorbs vibrations, enhancing the operational reliability of portable computers by minimizing deformation and ensuring long-term performance.
Implementation Method 1
at least one damper configured to absorb vibrations from the woofer speaker
Implementation Method 2
a damper body made of an elastic material configured with a central hole
Data Source
AI summary
Embodiments of a portable computer, a woofer speaker mounting structure for a portable computer and methods thereof can reduce transmission of vibrations from speaker to remaining portions of the portable computers. A woofer speaker mounting structure for a portable computer can include a case, a woofer speaker for producing bass sound positioned on the case and formed with support pieces, dampers for absorbing vibration from the woofer speaker can fit into the support pieces and can be coupled to the case. The damper can include a damper body made of an elastic material and through which a central hole is bored and shock-absorbing portions. Due to the structural and material properties of the damper, vibrations are also absorbed. Therefore, the operational characteristics of a portable computer are improved.