Sound production monomer and sound production module

Abstract

The application discloses a sound production monomer and a sound production module, and relates to the technical field of electroacoustic energy conversion. The sound production monomer comprises a shell, a magnetic circuit system and a vibration system. The shell comprises a shell body and a partition plate. The vibration system comprises a voice coil, a support, a first diaphragm and a second diaphragm. The partition plate divides the space between the first diaphragm and the second diaphragm into a first rear cavity and a first front cavity. One end of the support is connected with the first diaphragm, and the other end of the support passes through a first through hole on the partition plate and is connected with the second diaphragm. The first rear cavity is formed between the partition plate and the first diaphragm, and the first front cavity is formed between the partition plate and the second diaphragm. The shell body is provided with a first front cavity sound hole which is in communication with the first front cavity and a first rear cavity sound hole which is in communication with the first rear cavity. The total effective vibration area of the sound production monomer is the superposition of the effective vibration area of the first diaphragm and the effective vibration area of the second diaphragm, so that the effective vibration area of the vibration system is improved without increasing the size of the product.

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