Roller Shutter Box Top Side Sound Insulation
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Solution Overview
Problem
Existing roller shutter boxes inadequately reduce noise permeability, despite conventional insulation methods, as noise and vibrations can still pass through the gaps and materials used.
Innovation Solution
The sound insulation is placed on the top side of the roller shutter box facing away from the interior, utilizing a recess or groove, and can also protrude up to the masonry, with a dense elastic material like ethylene-propylene-diene rubber (EPDM) for enhanced sound absorption, and optionally attached as an adhesive film.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If sound insulation is installed inside the roller shutter box, then heat flow is reduced, but noise permeability is not sufficiently reduced
Solution Approach 1:
The sound insulation is moved from the interior space to the top side of the roller shutter box, changing the spatial dimension of insulation placement. This allows the insulation to address noise transmission through the top surface while interior insulation handles heat flow, resolving the contradiction by distributing insulation functions across different dimensions and locations.
Solution Approach 2:
Different insulation materials and configurations are applied to different locations: the top side receives sound-insulating material (EPDM, foam rubber) while the interior space receives heat-insulating material. This local differentiation allows each location to be optimized for its primary function - sound insulation at the top and heat insulation inside - thereby resolving the contradiction between heat flow reduction and noise permeability.
2Ease of manufacture
If conventional insulation materials are used in the roller shutter box, then manufacturing is simple, but sound insulation effectiveness is insufficient
Solution Approach 1:
The patent specifies sound insulation materials with particular parameters - elastic materials with high density (EPDM, foam rubber) - that differ from conventional insulation materials. These parameter changes (density, elasticity) enhance sound absorption while maintaining ease of installation through adhesive application, thus resolving the contradiction between manufacturing simplicity and sound insulation effectiveness.
Solution Approach 2:
The solution combines sound insulation material (EPDM, foam rubber) with adhesive material to create a composite insulation system. This composite approach integrates sound absorption properties with easy installation characteristics, achieving both simplicity of manufacture and effectiveness against sound transmission.
3Ease of manufacture
If the roller shutter box completely penetrates the masonry, then installation is straightforward, but noise and heat flow pass through easily
Solution Approach 1:
The insulation system is segmented into multiple components: interior heat insulation, top side sound insulation, and adhesive bonding layers. This segmentation allows each component to address specific transmission paths (heat through interior walls, noise through top surface) while maintaining the straightforward penetration installation approach, resolving the contradiction between installation ease and transmission reduction.
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
This configuration significantly reduces noise transmission by absorbing sound waves and damping vibrations, providing effective insulation while maintaining operational functionality.
Implementation Method 1
the sound insulation can contain an elastic material with a relatively high density. This material can absorb sound waves particularly well
Implementation Method 2
the sound insulation in the groove significantly dampens these vibrations
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A roller shutter box (1), when installed in a masonry wall (14) of a building, has a front (2) facing the surroundings U, a rear (3) facing the interior I of the building, a bottom (4) facing the window (7) shaded by the roller shutter (9) of the roller shutter box (1), a top (5) facing away from the window (7), and an interior space (6) between the front (2), top (5), back (3), and bottom (4). Sound insulation (10) is attached to the top (5) on the side facing away from the interior space (6).