Sound production device

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.

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...

AI Technical Summary

Problems solved by technology

[0004] However, in the sound-generating device in the related art, the diaphragm and the elastic support assembly are respectively fixed on the opposite ends of the voice coil, although the elastic support assembly can effectively prevent the lateral vibration of the voice coil swing, but its structure directly connected to the voice coil leads to the restriction of the design of the voice coil, and the volume of the magnetic circuit system is also limited, so that the improvement of the acoustic performance of the sound-generating device is limited

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