Modular Roll-Up Wall Acoustic Barrier Design
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Solution Overview
Problem
Existing retractable wall systems are inadequate for dividing larger rooms and interior public spaces effectively, lacking the necessary structural support and acoustic barrier capabilities.
Innovation Solution
A modular roll-up wall system featuring a frame with rollers and a tube, supported by a motor and anti-rotation arm, which includes a screen made of mass loaded vinyl for acoustic insulation, capable of forming a barrier with a Sound Transmission Class rating ranging from 46 STC to 53 STC.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Length of moving object
If existing retractable wall systems are used, then the system is simple and easy to operate, but the system cannot effectively divide larger rooms and interior public spaces
Solution Approach 1:
The wall system is divided into multiple modular panels that can be connected together to span larger distances. Each panel contains its own roller mechanism, allowing the system to be segmented into manageable units while achieving overall large-span capability for dividing larger rooms and public spaces.
Solution Approach 2:
The system transitions from a single-plane retractable wall to a multi-dimensional modular structure. Panels are arranged in series along the longitudinal axis, with each panel contributing to the overall span. This dimensional extension allows the system to effectively divide larger spaces while maintaining structural integrity through distributed support points.
2Object-affected harmful factors
If existing retractable wall systems are used, then the system has simple construction, but the system lacks acoustic barrier capabilities
Solution Approach 1:
The wall panels incorporate composite construction with mass loaded vinyl core material providing acoustic insulation properties. The felt overlay and vinyl fabric layers work together to create a multi-layer composite structure that achieves Sound Transmission Class ratings from 46 STC to 53 STC, effectively blocking sound transmission while maintaining the retractable wall functionality.
3Object-affected harmful factors
If mass loaded vinyl screen is used, then the acoustic barrier capability is improved with STC rating from 46 to 53, but the weight of the screen increases
Solution Approach 1:
The system achieves different acoustic performance levels (46 STC to 53 STC ratings) by adjusting parameters of the mass loaded vinyl construction, such as core density, layer thickness, and material composition. This allows optimization of the weight-to-acoustic-performance ratio, providing robust sound blocking capability while managing the increased weight through enhanced roller support mechanisms.
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 modular roll-up wall system effectively divides larger spaces while providing a robust acoustic barrier, capable of achieving sound transmission class ratings from 46 STC to 53 STC, thus addressing the limitations of existing systems.
Implementation Method 1
The screen may include mass loaded vinyl. For example, the screen may include a mass loaded vinyl core and a felt overlay. The first screen and the second screen may provide an acoustic barrier with a Sound Transmission Class rating ranging from approximately 46 STC to 53 STC.
Data Source
AI summary
A roll-up wall system including a frame having a longitudinal axis, a first roller disposed in the frame, a second roller disposed in the frame, and a tube disposed in the frame. A screen may be connected to the tube. The screen may be supported by the first roller and the second roller. Further, the screen may be movable between a first configuration and a second configuration. In the first configuration, the screen is rolled around the tube which is spaced a first distance from the first roller. In the second configuration, the screen forms a barrier adjacent the frame, and the tube is spaced a second distance from the first roller. The second distance may be less than the first distance. Also, the roll-up wall system may be an acoustic barrier which achieves a Sound Transmission Class rating ranging from approximately 31 STC to approximately 53 STC.