Integrated Resin Guide Damper for Plate Speaker Energy Transfer
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Solution Overview
Problem
Current guide dampers in plate type speakers, typically made of thin cloth or metal, are inefficient in transferring sound energies from the voice coil plate to the diaphragm and have high manufacturing costs, with a weak adhesive force between the voice coil and damper components.
Innovation Solution
A guide damper made of flexible synthetic resin, specifically rubber, with an integrated structure featuring a groove for voice coil seating, an outer frame, and multiple damper bridges with wrinkle parts to enhance damping and bonding, manufactured as a single mold product.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a guide damper made of thin cloth or metal is used, then the structure is simple, but the sound energy transfer efficiency is poor
Solution Approach 1:
The patent changes the material parameter from traditional thin cloth or metal to flexible synthetic resin (rubber), which fundamentally alters the damping characteristics and energy transfer properties, resolving the contradiction between structural simplicity and sound energy transfer efficiency
Solution Approach 2:
The patent employs composite material structure by integrating multiple layers including flexible synthetic resin, adhesive layers, and reinforcement elements, creating a guide damper that simultaneously achieves good sound energy transfer and maintains structural simplicity through integrated design
2Ease of manufacture
If traditional guide dampers are used, then manufacturing cost is high, but adhesive force between voice coil and damper is weak
Solution Approach 1:
The patent merges the guide damper with the voice coil assembly through integrated molding, creating a unified structure that eliminates weak adhesive interfaces and reduces manufacturing cost by reducing the number of separate components and assembly steps
Solution Approach 2:
The patent replaces traditional mechanical adhesive bonding with integrated molding techniques, where the guide damper and voice coil assembly are formed as a single unit, thereby eliminating adhesive force weaknesses and reducing manufacturing complexity
3Loss of energy
If flexible synthetic resin material is used, then sound energy transfer is improved, but manufacturing complexity increases
Solution Approach 1:
The patent combines multiple functional elements (guide damper body, adhesive layers, reinforcement structures) into a single integrated molding process, which manages the manufacturing complexity of flexible synthetic resin materials by consolidating steps rather than increasing them
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 solution effectively transfers more sound energies to the diaphragm, reduces manufacturing costs, and strengthens the adhesive force between the voice coil and damper, improving overall sound reproduction efficiency.
Implementation Method 1
a guide damper made of a flexible synthetic resin, specifically rubber
Implementation Method 2
a damper bridge for connecting left and right sides of the coil plate bonding part to the outer frame and in charge of damping between the coil plate bonding part and the outer frame
Data Source
AI summary
The present invention relates to a plate speaker, and more particularly, to a guide damper intended for a plate speaker and made of a flexible synthetic resin material. The guide damper for a voice coil plate for a plate speaker includes: a coil plate bonding part made of a flexible synthetic resin material and having an integrated structure, wherein the coil plate bonding part has a groove in the lengthwise direction thereof such that the voice coil plate is seated on the central portion thereof; an outer frame having a closed loop shape and adhering to a base frame defining the outer shape of the plate speaker, wherein the outer frame defines the outer shape of the damper; and a damper bridge connecting each of the left and right sides of the coil plate bonding part to the outer frame, wherein the damper bridge provides damping between the coil plate bonding part and the outer frame.