Bracket Assembly Vibration Isolation for Loudspeaker Systems
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Solution Overview
Problem
Audio loudspeaker systems with multiple speakers in an enclosure face vibration interference issues, which affect sound quality, as vibrations from low-frequency speakers impact mid-range and high-frequency speakers, and existing solutions for isolation have not been entirely effective.
Innovation Solution
A bracket assembly that includes a mounting bracket and a sub-assembly with vibration isolators, such as compressible materials or springs, placed between the enclosures to minimize vibration transmission, using fasteners or adhesives for secure attachment, allowing the enclosures to be connected while isolating vibrations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple loudspeakers are placed in the same enclosure to cover different frequency ranges, then the audio system can produce a complete frequency spectrum, but vibration from low-frequency loudspeakers affects the sound quality of mid-range and high-frequency loudspeakers
Solution Approach 1:
The patent divides the single enclosure into multiple separate enclosures, each housing a specific frequency range loudspeaker (woofer, mid-range, tweeter). This segmentation physically separates the vibration sources from the sensitive high-frequency drivers, allowing each speaker to operate independently without vibration interference while maintaining complete frequency coverage.
Solution Approach 2:
The patent introduces vibration isolators as intermediary elements between the loudspeaker enclosures and the mounting structure. These isolators act as mediators that allow the enclosures to be mounted together while blocking the transmission of vibrations from low-frequency to high-frequency speakers, thus resolving the vibration interference problem.
2Object-affected harmful factors
If vibration isolators are introduced to reduce vibration effects between loudspeakers, then sound quality is improved, but the complexity of the mounting structure increases
Solution Approach 1:
The mounting bracket is designed with multi-functionality: it provides structural support for mounting multiple enclosures, incorporates integrated vibration isolation features, and enables adjustable positioning. By combining these functions into a single component, the patent reduces overall system complexity despite the addition of vibration isolation capabilities.
Solution Approach 2:
The patent employs composite construction by combining rigid mounting bracket materials with flexible vibration isolator materials. This composite approach allows the mounting structure to simultaneously provide mechanical strength for support and vibration damping properties, achieving vibration isolation without significantly increasing structural complexity.
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 bracket assembly effectively reduces vibration interference between speakers, enhancing sound quality by isolating vibrations and improving the overall performance of the audio loudspeaker system.
Implementation Method 1
The bracket assembly includes a mounting bracket and a sub-assembly having a lower mounting bracket, an upper mounting bracket and a plurality of vibration isolators
Data Source
AI summary
A bracket assembly for an audio system that includes a mounting bracket slidably connected to a sub-assembly for attaching first and second loudspeaker enclosures of an audio loudspeaker system. The sub-assembly includes a plurality of vibration isolators disposed between a lower mounting bracket and an upper mounting bracket. The mounting bracket is attached to a first loudspeaker enclosure and the upper mounting bracket is attached to a second enclosure. First and second arms on the mounting bracket are inserted into first and second tracks on the lower mounting bracket to slidably attach the sub-assembly to the mounting bracket.