Integrally-Designed Bone Conduction Driver with Tripod Cup Holder
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Solution Overview
Problem
Existing bone conduction speakers face issues with complex processes, large volumes, thickness, heaviness, and poor comfortability due to their design.
Innovation Solution
An integrally-designed bone conduction driver featuring a vibrating plate, voice coil with a tubular framework, elastic piece, magnet, washer, and cup holder, where the voice coil is directly fixed to the vibrating plate using an elastic piece, and the cup holder is designed as a tripod for reduced thickness and weight, simplifying assembly and enhancing structural support.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If conventional bone conduction speaker design is used, then sound conduction function is achieved, but device complexity and manufacturing complexity increase
Solution Approach 1:
The patent merges multiple components into an integrated structure where the cup holder serves dual functions as both a structural support and a magnetic circuit component. The elastic piece integrates multiple functions including suspension, vibration isolation, and structural connection. This merging reduces the number of separate parts and simplifies the overall device structure while maintaining manufacturing feasibility.
Solution Approach 2:
The cup holder is designed to perform multiple functions simultaneously: it provides structural support for the magnet assembly, acts as part of the magnetic circuit, and serves as a mounting structure for the elastic piece. This multi-functionality reduces the need for additional dedicated components, thereby reducing device complexity without compromising ease of manufacture.
2Volume of moving object
If conventional bone conduction speaker design is used, then sound conduction function is achieved, but volume and thickness increase
Solution Approach 1:
The patent transitions from a conventional cylindrical cup holder design to a tripod-shaped cup holder with three legs. This dimensional change allows for more efficient space utilization and reduces the overall volume and thickness of the device while maintaining structural integrity and magnetic circuit functionality. The tripod structure achieves better weight distribution and reduces material usage.
3Weight of moving object
If conventional bone conduction speaker design is used, then sound conduction function is achieved, but weight increases
Solution Approach 1:
The patent segments the cup holder into three separate legs instead of a solid cylindrical structure. This segmentation reduces material usage and overall weight while maintaining the necessary structural support and magnetic circuit pathways. The three-legged structure provides sufficient strength with less material, directly reducing device weight for improved wearability.
4Reliability
If voice coil without framework is used, then manufacturing is simpler, but reliability and service life decrease
Solution Approach 1:
The patent incorporates a framework structure into the voice coil during the manufacturing process. This preliminary structural reinforcement prevents future degradation, overheating, and mechanical failure. The framework is built in from the beginning rather than added later, ensuring proper heat dissipation pathways and mechanical strength are established during manufacturing, thereby improving reliability without significantly increasing manufacturing complexity.
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
This design simplifies the assembly process, reduces weight and thickness, increases sensitivity and kinetic energy, and extends the service life of the bone conduction driver while providing improved comfort and aesthetic appeal.
Implementation Method 1
the voice coil includes a tubular framework and a coil and a lead wire that are coiled on the framework
Implementation Method 2
the vibrating plate is connected to the cup holder by using the elastic piece as an elastic support
Implementation Method 3
the magnet is fixed at an internal central position of the cup holder
Data Source
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AI summary
An integrally-designed bone conduction driver relates to the technical field of headsets using bond conduction speaker technologies, and overcomes technical disadvantages of existing bone conduction speakers, namely, complex processes and poor comfortability when they are worn. The bone conduction driver includes a vibrating plate, a voice coil, an elastic piece, a magnet, a washer, and a cup holder, where a wire outlet end of the voice coil is fixed on an inner side face of the vibrating plate; the vibrating plate is connected to the cup holder by using the elastic piece as an elastic support; the elastic piece includes an inner ring part, at least two outer arc parts that are concentric with and in clearance fit with the inner ring part, and at least two connection parts connecting tail ends of the outer arc parts to the inner ring part; and the voice coil is integrally combined with the inner side face of the vibrating plate. Meanwhile, an additional elastic piece and an additional support that support each other and that fix the voice coil are not needed between the vibrating plate and the cup holder, so that the process is simple and easy, there are fewer parts, and the combination is simple. Not only the weight is reduced, but also the sensitivity and the kinetic energy are increased, and the shape is special and aesthetic.