Sound production device and electronic equipment
The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, the sound production device comprises a magnetic circuit system and a vibration system, the magnetic circuit system comprises a magnetic conductive yoke and...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, the sound production device comprises a magnetic circuit system and a vibration system, the magnetic circuit system comprises a magnetic conductive yoke and a central magnetic part and an edge magnetic part which are arranged on the magnetic conductive yoke, the edge magnetic part is located on the outer side of the central magnetic part, and the edge magnetic part and the central magnetic part are spaced to form a magnetic gap; the central magnetic part comprises a first magnetic group, a second magnetic group and a third magnetic group which are stacked, the first magnetic group is connected to the magnetic conductive yoke, the vibration system comprises a vibrating diaphragm and a voice coil connected to the vibrating diaphragm, and the voice coil and the magnetic gap are correspondingly arranged; the first magnetic group and the third magnetic group are magnetized |
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