Title:
LOUDSPEAKER MODULE AND OUTDOOR FIXED AUDIO DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/108970
Kind Code:
A1
Abstract:
Disclosed in the present invention are a loudspeaker module and an outdoor fixed audio device. The loudspeaker module comprises: a loudspeaker assembly (100); a housing (200), the housing (200) being provided with a loudspeaker accommodating cavity and a sound outlet communicated with the loudspeaker accommodating cavity, and the loudspeaker assembly (100) being fixed in the loudspeaker accommodating cavity; and a first metal mesh (310) and a second metal mesh (320), the first metal mesh (310) and the second metal mesh (320) covering the sound outlet, one end of the first metal mesh (310) and one end of the second metal mesh (320) being electrically connected, and the other end of the first metal mesh (310) and the other end of the second metal mesh (320) respectively receiving electric energy having opposite phases. The present invention solves the problem that water stains remaining on the metal meshes hinder the sound production of a loudspeaker, and even the loudspeaker is caused to fail.
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Inventors:
ZHAO JIANGTAO (CN)
Application Number:
PCT/CN2022/088326
Publication Date:
June 22, 2023
Filing Date:
April 22, 2022
Export Citation:
Assignee:
GOERTEK INC (CN)
International Classes:
H04R1/02; F26B23/06; H05K7/20; H05K9/00
Foreign References:
| CN114269115A | 2022-04-01 | |||
| US20160241945A1 | 2016-08-18 | |||
| CN2885035Y | 2007-04-04 | |||
| CN210168386U | 2020-03-20 | |||
| CN213186421U | 2021-05-11 | |||
| CN206743537U | 2017-12-12 | |||
| CN105049966A | 2015-11-11 |
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