Speaker Guide Structure for Compact Stainless-Steel Housings
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
The miniaturization of electronic devices poses challenges in securing sufficient rear space for speakers, particularly when using stainless-steel housings, which limit shape implementation and low-frequency band performance, and existing mounting techniques fail to effectively fix speakers without increasing housing size or reducing rear space.
Innovation Solution
The use of a guide component, such as a guide base and guide body, to support the speaker within a stainless-steel housing, ensuring stable mounting and preventing unintentional movement, while allowing for complex shapes and maintaining rear space.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a stainless-steel housing is used, then durability and aesthetic appearance are improved, but shape implementation freedom and space optimization are worsened
Solution Approach 1:
The housing is divided into a stainless-steel outer housing and a separate inner housing made of injection-molded resin material. This segmentation allows the outer housing to provide durability and aesthetic appearance, while the inner housing provides shape freedom and space optimization for the speaker mounting portion.
Solution Approach 2:
The housing uses a composite structure combining stainless-steel material for the outer housing and resin material for the inner housing. This composite approach leverages the advantages of both materials: the durability and appearance of stainless steel, and the shape freedom and weight reduction of resin.
2Volume of moving object
If the housing size is reduced, then device miniaturization is improved, but rear space for the speaker is worsened
Solution Approach 1:
The speaker mounting portion extends in the thickness direction of the housing, utilizing the Z-axis dimension. This allows the rear space to be effectively used without increasing the planar footprint, enabling both miniaturization and sufficient rear space for the speaker.
Solution Approach 2:
The inner housing is designed with a flexible structure that can elastically deform to accommodate the speaker diaphragm's vibration. This dynamic design allows the housing to adapt to the speaker's operational requirements without increasing overall size.
3Ease of manufacture
If the housing thickness is increased, then molding feasibility is improved, but device miniaturization is worsened
Solution Approach 1:
The inner housing has different thicknesses at different locations: it is thicker at the speaker mounting portion to ensure molding feasibility and structural strength, and thinner at other portions to minimize overall device size. This localized quality variation optimizes both manufacturing and miniaturization.
4Volume of moving object
If the rear space is limited, then device miniaturization is improved, but low frequency band performance is worsened
Solution Approach 1:
The inner housing is designed with elastic deformation capability that allows it to expand and contract in response to low-frequency sound waves. This dynamic compliance maintains acoustic pressure in the rear space, improving low-frequency performance without increasing device size.
Solution Approach 2:
The housing structure parameters are optimized to maintain appropriate acoustic pressure in the limited rear space. By controlling the housing's elastic deformation characteristics and internal volume distribution, the system achieves satisfactory low-frequency response despite the constrained space.
Data Source
AI summary
An electronic device including a speaker is provided. The electronic device includes a main housing, a cover housing connected to the main housing, a speaker provided inside the main housing and the cover housing, and a guide including a guide base seated on the main housing to support the speaker and a guide body extending from the guide base in a first direction and overlapping the speaker in a second direction perpendicular to the first direction.