Modular Soundproof Booth Wall Assembly With Fire-Resistant Wiring Space
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Solution Overview
Problem
Existing soundproof structures in modern furnishing are often bulky, aesthetically unappealing, difficult to assemble, and lack effective soundproofing against speech frequencies while maintaining a comfortable working environment, and they do not adequately address fire safety concerns.
Innovation Solution
A wall assembly comprising a module with two joined walls forming an enclosure filled with sound-absorbing material, where at least one wall is incombustible, and incorporating a cover for wiring and electrical components, utilizing clinching joints for attachment and a recess for easy assembly.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional soundproof structures are used, then soundproofing is provided, but the structure becomes bulky and aesthetically unappealing
Solution Approach 1:
The wall assembly is divided into multiple functional layers including a thin metal wall panel, a separate sound absorbing material layer, and an enclosure structure. This segmentation allows each component to be optimized independently, achieving effective soundproofing in a compact overall volume.
Solution Approach 2:
The sound absorbing material is enclosed within the enclosure formed by the metal wall panels, creating a nested structure where the soundproofing core is contained within the thin wall assembly. This nesting approach maximizes soundproofing effectiveness while minimizing the overall wall volume.
2Reliability
If thick soundproof walls are used, then soundproofing against speech frequencies is improved, but the structure becomes difficult to assemble and less aesthetically appealing
Solution Approach 1:
The wall assembly is segmented into pre-fabricated modules with standardized connections. The metal wall panels and enclosure are designed to be assembled in a modular fashion, reducing assembly complexity while maintaining effective soundproofing thickness.
Solution Approach 2:
The sound absorbing material and enclosure structure are pre-assembled within the modular wall units before installation. This preliminary assembly simplifies the on-site installation process while ensuring proper soundproofing configuration is achieved.
3Reliability
If combustible materials are used for soundproofing, then sound absorption is improved, but fire safety is compromised
Solution Approach 1:
The metal wall panels and enclosure structure serve as fire-resistant intermediary barriers between the combustible sound absorbing material and the external environment. This intermediary structure protects the soundproofing materials from direct fire exposure while maintaining their sound absorption properties.
Solution Approach 2:
The wall assembly creates a composite structure combining incombustible metal panels with sound absorbing materials. This composite approach allows the system to exhibit both fire resistance from the metal components and sound absorption from the inner materials, resolving the contradiction between these two requirements.
4Ease of manufacture
If wiring space is integrated into the wall structure, then installation complexity is reduced, but the wall structure becomes more complex
Solution Approach 1:
The enclosure structure serves multiple functions: it provides the structural framework for the wall assembly, contains the sound absorbing material for soundproofing, and creates integrated wiring channels for electrical installations. This multi-functionality reduces overall system complexity despite the added wiring capability.
Solution Approach 2:
The wiring channels are merged with the enclosure structure rather than being separate components. The same metal panels that form the soundproofing enclosure also provide the pathways for wiring, combining structural and electrical functions into a single integrated 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
Provides efficient soundproofing against speech frequencies, enhances fire safety by minimizing the fire load, and allows for quick, tool-free assembly of a soundproof booth.
Implementation Method 1
sound absorbing material within the enclosure
Implementation Method 2
the first wall or the second wall provides an incombustible surface
Data Source
AI summary
A wall assembly for a soundproof space includes a wall module having a first wall and a second wall joined together at end portions of the module to form an enclosure therebetween, and sound absorbing material within the enclosure. The enclosure is formed of the first wall and the second wall, and the first wall and/or the second wall provides an incombustible surface. A soundproof booth includes the wall assembly.