Sound production device

A technology of a sounding device and a basin frame is applied in the field of electro-acoustic conversion, which can solve the problems of voice coil design limitation, limited magnetic circuit system volume, limited acoustical improvement of sounding devices, etc., so as to achieve lateral swing suppression, improve acoustic performance, Overall height and thinness
CN109362002AActive Publication Date: 2019-02-19AAC TECH PTE LTD
9 Cites 6 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
AAC TECH PTE LTD
Publication Date
2019-02-19

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention provides a sound production device comprising a basin stand, a vibration system, a magnetic circuit system and an annular support framework positioned between the basin stand and a magnetic bowl; the vibration system comprises a vibration diaphragm, a voice coil fixed in the vibration diaphragm and an elastic support component fixed in the basin stand and arranged opposite to the vibration diaphragm at the interval; the magnetic circuit system comprises the magnetic bowl and a magnetic steel; the magnetic bowl comprises a bottom wall, a side wall and a fracture formed in the sidewall; the magnetic steel is fixed on the bottom wall; the magnetic steel and the side wall are spaced to form a magnetic slot; the voice coil is inserted into the magnetic slot; the support frameworkcomprises an annular framework body fixed in the elastic support component and a framework connection part; the framework connection part is connected with one end, far away from the vibration diaphragm, of the voice coil after passing through the fracture. Compared with related technologies, the sound production device provided by the invention is good in stability and excellent in acoustic performance.
Need to check novelty before this filing date? Find Prior Art

Description

【Technical field】

[0001] The invention relates to the field of electroacoustic conversion, in particular to a sound generating device used in portable electronic products. 【Background technique】

[0002] With the advent of the mobile Internet era, the number of smart mobile devices continues to rise. Among the many mobile devices, the mobile phone is undoubtedly the most common and portable mobile terminal device. At present, the functions of mobile phones are extremely diverse, one of which is the function of high-quality music. Therefore, sound-generating devices for playing sound are widely used in current smart mobile devices.

[0003] The sound-generating device in the related art includes a pot frame, a vibration system respectively fixed to the pot frame, and a magnetic circuit system with a magnetic gap; the vibration system includes a diaphragm fixed to the pot frame, The diaphragm is inserted into the magnetic gap to drive the diaphragm to vibrate and produce sou...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More