Sounding device
AssigneeAAC Microtech (Changzhou) Co., Ltd.
InventorsWei Song, Xin Jin, Zhiwei Zhong
Life of this patent
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Abstract
The present disclosure discloses a sounding device including a 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 magnet assembly, and a magnetic gap. The yoke includes a bottom wall, a side wall in an annular shape extending from an edge of the bottom wall toward the diaphragm, and a flange extending from an end of the side wall close to the diaphragm toward the frame. An end of the flange away from the side wall is fixed to the frame. Compared with the related art, the sounding device disclosed by the present disclosure has a better reliability.
Claims5
A sounding device, comprising:
- a frame, comprising a main body and two notches formed on the main body;
- a vibration system fixed to the frame, comprising a diaphragm fixed to, a top of the main body and a voice coil driving the diaphragm to vibrate, each notch sunk from a bottom of the main body toward the diaphragm;
- and
- a magnetic circuit system fixed to the frame for driving the vibration system to vibrate and emit sound, comprising:
- a yoke, comprising a bottom wall, a side wall in an annular shape extending from an edge of the bottom wall toward the diaphragm, and two flanges respectively corresponding to the two notches and extending from ends of two opposite sides of the side wall close to the diaphragm toward the frame, wherein, an end of each flange away from the side wall is accommodated in one corresponding notch and is fixed to a bottom surface of the corresponding notch;
- a magnet assembly fixed to the bottom wall;
- and
- a magnetic gap formed by the magnet assembly and the side wall for receiving the voice coil.
Dependencies are inferred from the claim text.