Wearable Microphone Housing With Sealed Acoustic Alignment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing electronic devices, such as in-ear hearing aids and headphones, face challenges in miniaturization and lightweight design due to their structural design, which includes a main body with an external housing and internal framework that results in large size and weight.
Innovation Solution
A wearable device design featuring a housing assembly with integrated sound pickup holes and microphone assemblies, utilizing a second fixing structure to maintain coaxial continuity and sealed communication, along with a decentralized movement assembly within a housing assembly that includes a control board, microphone, and button assembly, to optimize space utilization and reduce components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a main body with external housing and internal framework is used to assemble functional components, then the device structure is complete and functional, but the device size becomes large and weight increases
Solution Approach 1:
The patent merges the housing assembly and microphone assembly into a single integrated unit. The housing assembly includes an external housing, internal framework, and movement assembly (containing control board, microphone, button assembly) all assembled together as one compact structure, eliminating the need for separate main body and component assemblies, thereby reducing overall device weight while maintaining structural completeness
Solution Approach 2:
The patent implements a nested structure where the movement assembly is placed within the housing assembly, and functional components are arranged in a layered, space-efficient manner. The internal framework provides structural support while accommodating the movement assembly in a nested configuration, maximizing space utilization and minimizing device dimensions without compromising manufacturability
2Ease of manufacture
If a main body with external housing and internal framework is used to assemble functional components, then the device structure is complete and functional, but the device size becomes large
Solution Approach 1:
The patent combines multiple assemblies (housing, movement, functional components) into a single integrated device structure. By merging these previously separate components into one unified design, the overall device volume is reduced while maintaining all necessary functional elements and structural integrity for manufacturing
Solution Approach 2:
The patent optimizes the spatial arrangement of components by utilizing three-dimensional space more efficiently. The internal framework and nested movement assembly are arranged to maximize vertical and lateral space utilization, transforming a potentially bulky multi-component structure into a compact integrated unit with reduced volume
3Measurement precision
If the microphone assembly is fixedly connected to the housing assembly with sealed communication, then sound signal collection accuracy is improved, but assembly complexity increases
Solution Approach 1:
The patent merges the housing assembly and microphone assembly into a single integrated structure with pre-established sealed communication channels. The sound pickup hole and internal sound inlet channel are formed as integrated features during manufacturing, eliminating the need for complex post-assembly sealing operations while ensuring accurate sound signal collection
4Measurement precision
If the sound inlet channel is sealed to the sound pickup hole with coaxial continuity, then sound signal collection accuracy is improved, but manufacturing precision requirements increase
Solution Approach 1:
The patent implements preliminary action by pre-forming the sound pickup hole and internal sound inlet channel with built-in coaxial alignment features during the manufacturing process. The positioning structures and guiding features are incorporated into the tooling and molds, ensuring accurate coaxial continuity is achieved automatically during assembly without requiring high-precision manual alignment operations
Data Source
AI summary
A wearable device including a housing assembly and a microphone assembly is provided. The housing assembly includes a sound pickup hole connecting the interior of the housing assembly to the exterior of the housing assembly, and the microphone assembly is arranged in the interior of the housing assembly and is fixedly connected to the inner wall of the housing assembly. A sound inlet channel of the microphone assembly is in sealed connection with the sound pickup hole so that the microphone assembly may pick up an external sound signal input via the sound pickup hole.