Speaker Module Air Pressure Regulating Structure
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Solution Overview
Problem
Speaker modules with hermetically sealed resonance spaces face challenges in maintaining sound quality due to unregulated air pressure changes during transportation, leading to potential noise and sound quality issues.
Innovation Solution
Incorporating an air pressure regulating structure within the speaker module that allows communication between the resonance space and the external environment through strategically designed air flowing channels and spaces, which helps regulate air pressure and reduce noise signals by managing air turbulence.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the resonance space is hermetically sealed, then the structural integrity and protection of internal components is improved, but the air pressure cannot be regulated with environmental changes causing sound quality degradation
Solution Approach 1:
The patent employs an elastic diaphragm as a flexible sealing element that can deform to equalize pressure differences between the internal resonance space and external environment. This thin film structure maintains hermetic sealing while allowing pressure regulation through elastic deformation, resolving the contradiction between structural integrity and adaptability.
Solution Approach 2:
The patent changes the physical state of the sealing structure from rigid to elastic, allowing it to dynamically adjust its properties in response to pressure changes. The elastic diaphragm's ability to deform and recover enables the system to maintain sealing while adapting to environmental pressure variations, thus resolving the contradiction.
2Reliability
If air pressure in the resonance space is not regulated, then the hermetic sealing is maintained, but noise signals increase and sound quality deteriorates
Solution Approach 1:
The elastic diaphragm serves as a flexible barrier that maintains hermetic sealing while accommodating pressure changes. By deforming under pressure differential, it prevents rigid structural failures that would compromise sealing, while simultaneously enabling pressure regulation to reduce noise signals and maintain sound quality.
Solution Approach 2:
The patent converts the potentially harmful effect of pressure differential into a useful mechanism for both sealing and noise control. The elastic diaphragm utilizes pressure differential to maintain sealing integrity while its deformation action regulates internal pressure to minimize noise generation, transforming a harmful factor into a beneficial dual-function mechanism.
3Reliability
If the resonance space is hermetically sealed, then protection from external contamination is improved, but air turbulence and noise increase during pressure changes
Solution Approach 1:
The elastic diaphragm provides continuous, adaptive sealing that moves with pressure changes rather than creating abrupt openings. This flexible barrier maintains protection from contamination while its gradual deformation minimizes sudden air movements and turbulence, resolving the contradiction between protection and noise generation.
Solution Approach 2:
The patent transitions from a static hermetic seal to a dynamic sealing system that actively responds to pressure changes. The elastic diaphragm continuously adjusts its position and shape to maintain sealing while accommodating pressure equalization, preventing abrupt air movements that would generate turbulence and noise.
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 air pressure regulating structure effectively reduces noise signals and maintains good sound quality by regulating acoustic impedance, ensuring consistent sound output across varying environments.
Implementation Method 1
The air pressure regulating structure is configured to regulate the air pressure of the resonance space
Implementation Method 2
a speaker unit of a speaker module is driven by audio source signals, and generates resonance with the air molecules in the resonance space of the main body, so as to output sound wave signals
Implementation Method 3
helps regulate air pressure and reduce noise signals by managing air turbulence
Data Source
Figure 1~2
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Figure 5~6
AI summary
A speaker module includes a speaker unit, a main body and a speaker carrier. The main body includes a sound outlet opening and an air pressure regulating structure. The sound outlet opening is configured to expose the speaker unit. The speaker carrier is configured to carry the speaker unit. The speaker carrier is disposed in the main body together with the speaker unit, and forms a resonance space with the main body. The air pressure regulating structure is configured to regulate the air pressure of the resonance space.