LOUDSPEAKER - AAC ACOUSTIC TECH SHENZHEN CO LTD

Title:

LOUDSPEAKER

Document Type and Number:

WIPO Patent Application WO/2022/006962

Kind Code:

A1

Abstract:

Disclosed is a loudspeaker. The loudspeaker comprises a frame with an accommodating space in the middle, a vibration system that is arranged in the accommodating space and supported by the frame, and a magnetic circuit system for driving the vibration system to vibrate and produce sound. The magnetic circuit system is fixed to the frame and comprises a magnetic bowl component and a magnetic steel unit arranged in the magnetic bowl component, wherein a magnetic gap is formed between the magnetic bowl component and the magnetic steel unit, and a fixing part is arranged on the magnetic bowl component. The vibration system comprises a vibrating diaphragm component, a voice coil that surrounds the periphery of the magnetic steel unit and is arranged in the magnetic gap, and a framework component fixedly connected to the voice coil, wherein the framework component is connected to the vibrating diaphragm component; and the vibrating diaphragm component comprises a first voice diaphragm, with an inner ring portion of the first voice diaphragm being bonded to the fixing part. The present utility model solves the problems of a loudspeaker in the prior art, such as the complex structure and high manufacturing costs.

Inventors:

SHAO TAO (CN)
YAN XUDONG (CN)
GU XIAOJIANG (CN)

Application Number:

PCT/CN2020/102426

Publication Date:

January 13, 2022

Filing Date:

July 16, 2020

Export Citation:

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Assignee:

AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC TECHNOLOGIES PTE LTD (SG)

International Classes:

H04R7/12; H04R9/02; H04R9/04; H04R9/06

Foreign References:

CN111372177A	2020-07-03
CN111065025A	2020-04-24
CN110996226A	2020-04-10
JP2009094914A	2009-04-30
CN102333270A	2012-01-25
CN1316868A	2001-10-10