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1. CN109660919 - Sound production device

Office China
Application Number 201811457296.4
Application Date 30.11.2018
Publication Number 109660919
Publication Date 19.04.2019
Publication Kind A
IPC
H04R 7/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
7Diaphragms for electromechanical transducers; Cones
02characterised by the construction
H04R 9/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9Transducers of moving-coil, moving-strip, or moving-wire type
02Details
H04R 9/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9Transducers of moving-coil, moving-strip, or moving-wire type
06Loudspeakers
CPC
H04R 7/02
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
7Diaphragms for electromechanical transducers
02characterised by the construction
H04R 9/025
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9Transducers of moving-coil, moving-strip, or moving-wire type
02Details
025Magnetic circuit
H04R 9/06
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
9Transducers of moving-coil, moving-strip, or moving-wire type
06Loudspeakers
H04R 2307/023
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
2307Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
023Diaphragms comprising ceramic-like materials, e.g. pure ceramic, glass, boride, nitride, carbide, mica and carbon materials
Applicants GOERTEK INC.
歌尔股份有限公司
Inventors LI MEILING
李美玲
LING FENGGUANG
凌风光
ZHENG ZEDONG
郑泽东
ZHANG CHENGFEI
张成飞
LI CHUN
李春
Agents 北京博雅睿泉专利代理事务所(特殊普通合伙) 11442
北京博雅睿泉专利代理事务所(特殊普通合伙) 11442
Title
(EN) Sound production device
(ZH) 一种发声装置
Abstract
(EN)
The invention discloses a sound production device. The device comprises: a magnetic circuit system, configured to form a magnetic field; and a vibration system, wherein the vibration system comprisesa voice coil, a vibrating diaphragm and a reinforcing layer, one end of the voice coil is connected with a central part of the vibrating diaphragm, the other end of the voice coil is located in the magnetic field, the reinforcing layer is arranged at the central part, the reinforcing layer comprises a carbon fiber prepreg layer and a foam core layer compounded with the carbon fiber prepreg layer,multiple layers of carbon fibers are arranged in the carbon fiber prepreg layer, and the carbon fibers in each layer are unidirectional and are arranged side by side.

(ZH)
本发明公开了一种发声装置。该装置包括:磁路系统,所述磁路系统被配置为用于形成磁场;以及振动系统,所述振动系统包括音圈、振膜和补强层,所述音圈的一端与所述振膜的中心部连接,另一端位于所述磁场中,所述补强层被设置在所述中心部,所述补强层包括碳纤维预浸料层和与所述碳纤维预浸料层复合在一起的泡沫芯层,所述碳纤维预浸料层中的碳纤维为多层,每层中的碳纤维呈单向且并列设置。

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