Layered Earplug with Pressure-Release Valve
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Solution Overview
Problem
Traditional earplugs often cause discomfort due to improper fit and air pressure buildup in the ear canal, failing to effectively reduce sound and pressure variations.
Innovation Solution
Layered earplugs with a stalk and multiple discs of varying diameters, featuring air pockets and a pressure-release valve mechanism that opens to alleviate accumulated air pressure, ensuring a secure fit and reduced sound transmission.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional earplugs are used to block sound, then sound reduction is achieved, but air pressure builds up in the ear canal causing discomfort
Solution Approach 1:
The earplug is segmented into multiple functional layers including sound-blocking material and pressure-release mechanisms. The layered structure allows simultaneous sound attenuation and pressure regulation by dividing the earplug into distinct functional zones that address each problem separately.
Solution Approach 2:
A pressure-release valve or breathable membrane acts as an intermediary between the ear canal and the external environment. This intermediary component allows pressure equalization while maintaining sound blocking functionality, mediating between the need for sound isolation and pressure relief.
2Object-affected harmful factors
If earplugs are designed for secure fit, then noise reduction improves, but comfort decreases due to improper fit and pressure buildup
Solution Approach 1:
The earplug incorporates dynamic pressure-release mechanisms that respond to pressure changes in the ear canal. The pressure-release valve or breathable membrane dynamically adjusts to allow pressure equalization, making the earplug adaptive to changing conditions while maintaining secure fit and noise reduction.
Solution Approach 2:
Different portions of the earplug have different properties optimized for specific functions. The outer layers provide sound blocking while inner layers or specific zones provide pressure relief, creating local quality variations that simultaneously achieve noise reduction and comfort.
3Object-affected harmful factors
If earplugs block sound effectively, then hearing protection improves, but pressure changes in the ear canal cause discomfort
Solution Approach 1:
The earplug is divided into sound-blocking segments and pressure-regulation segments. This segmentation allows the sound-blocking material to provide hearing protection while separate pressure-release components handle pressure changes, resolving the contradiction between effective sound blocking and pressure management.
Solution Approach 2:
A pressure-release valve or breathable membrane serves as an intermediary that allows pressure equalization while maintaining sound blocking. This intermediary component enables pressure changes to occur without compromising hearing protection, as it selectively allows pressure passage while blocking sound transmission.
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 layered earplug design enhances comfort by accommodating varying ear canal sizes and effectively reduces both sound and air pressure, providing improved noise reduction and pressure regulation.
Implementation Method 1
the at least one air pocket and the plurality of discs reduce sound that reaches a user's eardrum
Implementation Method 2
at least one valve located within the tunnel configured to release accumulated air pressure in a user's ear canal through the tunnel
Data Source
AI summary
A layered earplug with pressure reducing mechanisms in accordance with embodiments of the invention are disclosed. In one embodiment, the layered earplug comprises: a stalk comprising a tunnel that transverses the layered earplug; a plurality of discs attached to the stalk, wherein each disc of the plurality of discs includes a diameter relative to on a position of the disc on the stalk; at least one pocket located between two adjacent discs of the plurality of discs, wherein the at least one air pocket and the plurality of discs reduce sound that reaches a user's eardrum; and at least one valve located within the tunnel configured to release accumulated air pressure in a user's ear canal through the tunnel.