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Patent Searching and Data


Title:
LOUDSPEAKER ENCLOSURE
Document Type and Number:
WIPO Patent Application WO/2021/000112
Kind Code:
A1
Abstract:
Provided is a loudspeaker enclosure, comprising a shell and a sound production unit, wherein the shell comprises a top wall, a side wall and a bottom wall, and the top wall, the side wall and the bottom wall enclose an accommodating space; the sound production unit divides the accommodating space into a front sound cavity and a rear sound cavity; and the top wall is provided with an opening corresponding to the front sound cavity. The loudspeaker enclosure further comprises a reinforcing plate embedded in the shell. The shell further comprises an extension wall extending into the rear sound cavity from the top wall; an end, away from the top wall, of the extension wall is covered with an air-permeable isolation member; and the air-permeable isolation member, the extension wall and the top wall form a filling cavity used for accommodating a sound absorbing material. The reinforcing plate comprises a main body portion covering the opening in a corresponding manner, and a first positioning plate formed by same extending towards the filling cavity from the main body portion; the reinforcing plate and the shell are formed into a whole by means of injection molding; and the first positioning plate is provided with a first through hole, the top wall is provided with a filling hole coaxial with the first through hole, and the filling hole is in communication with the filling cavity by means of the first through hole. The technical solution is conductive to an increase in the volume of a cavity body of a sound cavity and the improvement in an audio performance of a loudspeaker enclosure.

Inventors:
WANG YANLONG (CN)
Application Number:
PCT/CN2019/094010
Publication Date:
January 07, 2021
Filing Date:
June 29, 2019
Export Citation:
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Assignee:
AAC ACOUSTIC TECH SHENZHEN CO LTD (CN)
AAC MICROTECH CHANGZHOU CO LTD (CN)
International Classes:
H04R1/28; H04R9/02
Domestic Patent References:
WO2018000757A12018-01-04
Foreign References:
CN206602656U2017-10-31
CN102711003A2012-10-03
CN108307279A2018-07-20
Attorney, Agent or Firm:
HENSEN INTELLECTUAL PROPERTY FIRM (CN)
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