Loudspeaker module

Abstract

The invention discloses a loudspeaker module, and relates to the technical field of an electroacoustic product. The loudspeaker module comprises a module housing; a loudspeaker monomer is accommodated in the module housing; the loudspeaker monomer divides an integral module inner cavity into two cavities, i.e. a front sound cavity and a rear sound cavity; the rear sound cavity comprises an accommodating cavity and a sound adsorption cavity which are communicated; the loudspeaker monomer is positioned in the accommodating cavity; the sound adsorption cavity is filled with sound adsorption particles; the accommodating cavity is formed by the surrounding of the module housing; the sound adsorption cavity is formed by the surrounding of a sound adsorption cavity housing; the sound adsorption cavity housing is combined with the module housing; and a netted isolation part is arranged between the sound adsorption cavity and the accommodating cavity. The sound adsorption particles of the loudspeaker module disclosed by the invention cannot be influenced by a module production assembling process, and have a good sound adsorption effect; acoustic performance of the module is obviously improved; sound quality is higher; and meanwhile, the loudspeaker module is low in assembling difficulty and high in production efficiency.

Description

technical field [0001] The invention relates to the technical field of electroacoustic products, in particular to a loudspeaker module. Background technique [0002] The loudspeaker module is an important acoustic component of portable electronic equipment, which is used to complete the conversion between electrical signals and sound signals, and is an energy conversion device. Existing speaker modules usually include a shell, in which a speaker unit is accommodated, and the speaker unit divides the entire module inner cavity into two cavities, a front acoustic cavity and a rear acoustic cavity. As the volume of the cavity of the speaker module becomes smaller and smaller, in order to make the speaker module perform well, reduce the F0 (resonant frequency) of the module, and improve the sound quality, technicians usually add sound absorption in the rear sound cavity Material, the sound-absorbing material will absorb part of the sound energy, which is equivalent to expanding...

AI Technical Summary

Problems solved by technology

The sound-absorbing particles of the speaker module with this structure need to be filled during the assembly process of the module. However, a large amount of volatile small molecular substances will be generated during the assembly process of the module, and these small molecules will be adsorbed on the surface of the sound-absorbing particles. , Blocking the pores of the sound-absorbing particles will seriously weaken the sound-absorbing function of the sound-absorbing particles, and even cause the sound-absorbing particles to fail, and the sound-absorbing function cannot be achieved, resulting in an insignificant improvement in the acoustic performance of the speaker module, which not only causes waste of raw materials, but also increases Increased the difficulty of module assembly

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