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Stereo conversion device using piezoelectric driving module

A technology for driving modules and conversion devices, which is applied to frequency/direction characteristic devices, transducer shells/cabinets/stands, etc., can solve problems such as speaker performance degradation, achieve easy electrical connection and assembly, improve sound effects, overcome limited effect

Inactive Publication Date: 2013-03-27
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the size of the vibrating plate is increased in order to emit bass, the performance of the speaker is degraded due to the free vibration of the piezoelectric driver module 10 and the decomposition of the vibration

Method used

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  • Stereo conversion device using piezoelectric driving module
  • Stereo conversion device using piezoelectric driving module
  • Stereo conversion device using piezoelectric driving module

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Embodiment Construction

[0028] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0029] Specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, but the effects of the present invention are not limited thereto. In addition, in the drawings, substantially the same components are given the same reference numerals, and the symbols of the remaining drawings may ...

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Abstract

The invention relates to a stereo conversion device using a piezoelectric driving module. The stereo conversion device comprises the piezoelectric driving module, a vibrating plate and a supporting portion, wherein the vibrating plate is in physical connection with the piezoelectric driving module, and the supporting portion is used for supporting the piezoelectric driving module or the vibrating plate at a fixed point. The fixed point is positioned on the inner side of the outer edge of the piezoelectric driving module, and an outer edge portion of the piezoelectric driving module and an outer edge portion of the vibrating plate vibrate freely by taking the fixed point as a central axis. Therefore, high-frequency sound and low-frequency sound can be made sufficiently by the aid of the piezoelectric driving module.

Description

technical field [0001] The invention relates to a sound conversion device using a piezoelectric drive module, in particular to a piezoelectric element for improving midrange and bass characteristics applied to the sound conversion device. Background technique [0002] Piezoelectric speakers are devices that use piezoelectric elements to convert electrical energy into sound energy, and generate sound by providing electrical signals to PZT series piezoelectric materials. [0003] figure 1 A schematic diagram of an existing piezoelectric speaker. Such as figure 1 As shown, in the existing piezoelectric speaker, the two ends of the vibrating plate 20 are fixed in the frame, and the piezoelectric driving module 10 is pasted to the center of the vibrating plate 20 to induce vibration. Existing piezoelectric speakers are mainly suitable for producing high-frequency sounds, and have limitations for producing low-frequency sounds. Therefore, the sound characteristics are signific...

Claims

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Application Information

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IPC IPC(8): H04R1/02H04R1/22
Inventor 方桂梅
Owner 方桂梅