Acoustic Sail With Integrated LEDs

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Solution Overview

Problem

Existing acoustic systems fail to effectively improve room acoustics while also providing adequate lighting in a compact and low-maintenance design.

Innovation Solution

An acoustic sail system featuring a large-area acoustic element with integrated LEDs that provides sound-insulating and sound-absorbing properties, combined with a compact and energy-efficient lighting solution, allowing for reduced sound reflections and echoes, and adjustable lighting intensity and color.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If conventional acoustic panels are used to improve room acoustics, then sound absorption effectiveness is improved, but the device size and complexity increase

Engineering Contradiction:
Improvesound absorption effectivenessVSAvoiddevice size
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines acoustic absorption functionality with LED lighting units into a single integrated component. The LED modules are mounted directly on the acoustic panel surface, allowing the same structure to provide both sound absorption and illumination functions, thereby reducing overall device complexity and space requirements

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The acoustic panel is designed to serve multiple functions: sound absorption, LED mounting surface, and light diffusion medium. The panel material itself can diffuse light while maintaining acoustic properties, eliminating the need for separate lighting fixtures and reducing device complexity

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Illumination intensity

If traditional lighting sources are used to illuminate the room, then illumination intensity is improved, but energy consumption and heat radiation increase

Engineering Contradiction:
Improvelight outputVSAvoidenergy consumption
Core Design Contradiction:
Illumination intensityVSUse of energy by moving object

Solution Approach 1:

The patent transitions from traditional high-power lighting sources to LED technology, representing a fundamental change in the operational parameters of the lighting system. LEDs provide sufficient illumination intensity while consuming significantly less energy and generating minimal heat radiation compared to conventional bulbs

Inventive Principle:
Principle #35Parameter changes

3Reliability

If acoustic panels with large surface area are installed to minimize sound reflections, then acoustic effectiveness is improved, but maintenance complexity increases

Engineering Contradiction:
Improveacoustic effectivenessVSAvoidmaintenance complexity
Core Design Contradiction:
ReliabilityVSEase of repair

Solution Approach 1:

The acoustic panel system is divided into modular sections with integrated LED units that can be independently accessed or replaced. This segmentation allows maintenance personnel to service specific areas without disturbing the entire acoustic system, reducing maintenance complexity while preserving overall acoustic effectiveness

Inventive Principle:
Principle #1Segmentation

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 system effectively enhances room acoustics by minimizing sound reflections and echoes while providing efficient and aesthetically pleasing lighting, with reduced maintenance needs and energy consumption.

Implementation Method 1

the acoustic element has sound-damping/sound-absorbing properties and/or prevents the propagation/reflection of sound waves in the room

Methodology Applied
Scientific EffectSound absorption: Acoustic Absorption

Implementation Method 2

one or more LEDs being attached to the acoustic element

Methodology Applied
Scientific EffectLight emission from LED: Light Emitting Diode

Data Source

PatentEP3401459B1Acoustic seal with leds
Publication Date: 2020.01.22 MASCHINENFABRIK GEORG KIEFER GMBH LUFT UND KLIMATECHNIK
  • EP3401459B1 patent drawingFigure 1~3
  • EP3401459B1 patent drawingFigure 4~6

AI summary

The invention relates to an acoustic sail (1) which comprises an acoustic element (2) extending over a planar area, wherein one or more LEDs (3) are attached to the acoustic element (2).