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Sound device

A technology for sound-emitting devices and components, applied in the field of sound and electricity, can solve the problems of limiting the acoustic performance of sound-emitting devices, large gaps, etc., and achieve the effects of improving magnetic driving force and symmetry, increasing magnetic field strength, and enhancing acoustic performance and reliability.

Active Publication Date: 2021-09-24
AAC MICROTECH CHANGZHOU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, in the sound-generating device of the related art, the gap between the splint and the diaphragm is relatively large, and the design of the magnetic circuit system fails to give full play to its performance, which limits the acoustic performance of the sound-generating device

Method used

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Embodiment Construction

[0023] Next, the technical solutions in the embodiments of the present invention will be apparent from the drawings in which the embodiments of the present invention will be apparent from the accompanying drawings, which is apparent from the embodiments of the present invention, and not all of the embodiments of the present invention. Based on the embodiments of the present invention, there are all other embodiments obtained without making creative labor without making creative labor premises.

[0024] Please Figure 1-5 , The present invention provides a sound device 100, including a cone frame, it is fixed to the vibration system Penjia a magnetic system 2 and 3, the magnetic circuit 3 having a magnetic gap 10, the magnetic system 3 a drive system for vibrating said vibration sound.

[0025] Said vibration system is fixed to the cone frame 2 comprises a diaphragm 21, fixed to the diaphragm 21 and inserted in the magnetic gap 10 to drive the diaphragm 21 and vibration sounder 22 i...

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Abstract

The invention provides a sound-generating device, which includes a pot frame, a vibration system and a magnetic circuit system, the vibration system includes a diaphragm and a voice coil; the magnetic circuit system includes a yoke, a main magnet, two secondary magnets, and a splint and two auxiliary magnetic steels; the splint includes a first body stacked on the auxiliary magnetic steel, and is bent and extended from the side of the first body away from the main magnetic steel to the direction close to the diaphragm The first flanging and the second flanging extending from the first flanging to the direction away from the voice coil; the first flanging and the second flanging enclose a storage space; the two said The auxiliary magnets are respectively stacked and fixed on the auxiliary magnets, and the auxiliary magnets are located on a side of the first flange away from the main magnets and respectively extend into the corresponding receiving spaces. Compared with related technologies, the sound-generating device of the invention has good reliability and excellent acoustic performance.

Description

[Technical field] [0001] The present invention relates to the field of electrical sound, applied particularly to a portable electronic device utterance. 【Background technique】 [0002] With the advent of the mobile Internet era, the number of smart mobile devices on the rise. And among the many mobile devices, mobile phone is undoubtedly the most common and the most portable mobile terminal devices. A sound generating device for playing sound is now applied to a large number of mobile phones and other smart mobile devices into. A sound generating device and the use of the magnetic system and the vibration system is directly related to sound quality sound generating device. [0003] A sound generating device of the related art includes a vibration system is fixed to the diaphragm for vibration Penjia utterance, attached a voice coil provided on the diaphragm, the voice coil is supported on an end remote from the diaphragm for reinforcing the lateral stability elastically supportin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R7/18H04R9/02H04R9/06
CPCH04R7/18H04R9/025H04R9/06
Inventor 肖波令狐荣林刘晓东陈浩
Owner AAC MICROTECH CHANGZHOU