Sound production device
A technology of a sound-emitting device and a basin frame, which is applied in the field of sound and electricity, can solve the problems of easy swinging of the vibration system, affecting the reliability, and limited vibration-membrane suppression, and achieve the effects of improving the acoustic performance, improving the stability and improving the reliability.
Inactive Publication Date: 2018-05-18
AAC TECH PTE LTD
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The invention provides a sound production device. The sound production device comprises a frame, a vibration system, a magnetic circuit system and a conducting terminal, two folding ring parts and conducting plates which are fixed to the frame; the vibration system comprises a vibrating diaphragm and a voice coil driving the vibrating diaphragm to vibrate, and the voice coil is electrically connected with the conducting terminal; the magnetic circuit system comprises a magnetic yoke, main magnetic steel and two auxiliary magnetic steel located on the two opposite sides of the main magnetic steel respectively; the folding ring parts are made of an insulating material and arranged on the other two opposite sides of the main magnetic steel respectively, and the conducting plates are embeddedinto the folding ring parts; and the two folding ring parts and the two auxiliary magnetic steel are arranged in a staggered and spaced mode, one side of each folding ring part is fixedly connected with the frame in an insulated mode, the other side of each folding ring part is fixedly connected with the end, far away from the vibrating diaphragm, of the voice coil in an insulated mode, and the voice coil and the conducting terminal are electrically connected with the conducting plates. Compared with the related technology, the sound production device is good in reliability and excellent in acoustic performance.
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