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1. WO2020140540 - SPEAKER BOX

Publication Number WO/2020/140540
Publication Date 09.07.2020
International Application No. PCT/CN2019/110732
International Filing Date 12.10.2019
IPC
H04R 1/02 2006.01
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers
02Casings; Cabinets; Mountings therein
CPC
H04R 1/021
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers, ; loudspeakers or microphones
02Casings; Cabinets ; ; Supports therefor;; Mountings therein
021incorporating only one transducer
H04R 1/025
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers, ; loudspeakers or microphones
02Casings; Cabinets ; ; Supports therefor;; Mountings therein
025Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
H04R 1/2873
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers, ; loudspeakers or microphones
20Arrangements for obtaining desired frequency or directional characteristics
22for obtaining desired frequency characteristic only
28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
2869Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
2873for loudspeaker transducers
H04R 1/345
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
1Details of transducers, ; loudspeakers or microphones
20Arrangements for obtaining desired frequency or directional characteristics
32for obtaining desired directional characteristic only
34by using a single transducer with sound reflecting, diffracting, directing or guiding means
345for loudspeakers
H04R 2499/11
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
2499Aspects covered by H04R or H04S not otherwise provided for in their subgroups
10General applications
11Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
H04R 7/04
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
04Plane diaphragms
Applicants
  • 瑞声声学科技(深圳)有限公司 AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) CO., LTD. [CN]/[CN]
  • 瑞声科技(新加坡)有限公司 AAC TECHNOLOGIES PTE. LTD. [SG]/[SG]
Inventors
  • 沈凯华 SHEN, Kaihua
  • 吴军 WU, Jun
Agents
  • 深圳市恒申知识产权事务所(普通合伙) HENSEN INTELLECTUAL PROPERTY FIRM
Priority Data
201811649104.X30.12.2018CN
Publication Language Chinese (ZH)
Filing Language Chinese (ZH)
Designated States
Title
(EN) SPEAKER BOX
(FR) CAISSON DE HAUT-PARLEUR
(ZH) 扬声器箱
Abstract
(EN)
Provided in the present invention is a speaker box. The speaker box comprises an upper shell, a lower shell forming an accommodating space with the upper shell, and a speaker unit accommodated in the accommodating space, the speaker unit dividing the accommodating space into a front cavity and a rear cavity, the speaker unit comprising a diaphragm used for vibration sound production, the diaphragm and the upper shell being spaced apart to form a front acoustic cavity, a sound outlet channel for connecting the front acoustic cavity with the outside being formed in the upper shell, the front acoustic cavity and the sound outlet channel together constituting the front cavity of the speaker box, the upper shell comprising a top wall and supporting walls extending from the top wall toward the lower shell and securing the speaker unit, the speaker box also comprising dividing walls extending from the top wall toward the lower shell and a cover plate extending from the dividing walls towards the supporting walls, the dividing walls, the cover plate, and the supporting walls surrounding at least two resonance cavities spaced apart from one another, and the resonance cavities being in communication with the front cavity. The speaker box provided in the present invention can effectively reduce high frequency resonance peaks and sensitivity, enhancing the acoustic performance of the speaker box.
(FR)
La présente invention concerne un caisson de haut-parleur. Le caisson de haut-parleur comprend une coque supérieure, une coque inférieure formant un espace de réception avec la coque supérieure, et une unité de haut-parleur logée dans l'espace de réception, l'unité de haut-parleur divisant l'espace de réception en une cavité avant et une cavité arrière, l'unité de haut-parleur comprenant une membrane utilisée pour la production de son de vibration, la membrane et la coque supérieure étant espacées pour former une cavité acoustique avant, un canal de sortie de son pour relier la cavité acoustique avant avec l'extérieur étant formé dans la coque supérieure, la cavité acoustique avant et le canal de sortie sonore constituant ensemble la cavité avant du caisson de haut-parleur, la coque supérieure comprenant une paroi supérieure et des parois de support s'étendant de la paroi supérieure vers la coque inférieure et fixant l'unité de haut-parleur, le caisson de haut-parleur comprenant également des parois de séparation s'étendant de la paroi supérieure vers la coque inférieure et une plaque de couverture s'étendant à partir des parois de séparation vers les parois de support, les parois de séparation, la plaque de couverture, et les parois de support entourant au moins deux cavités de résonance espacées l'une de l'autre, et les cavités de résonance étant en communication avec la cavité avant. Le caisson de haut-parleur selon la présente invention peut efficacement réduire les pics de résonance à haute fréquence et la sensibilité, améliorant les performances acoustiques du caisson de haut-parleur.
(ZH)
本发明提供了一种扬声器箱。所述扬声器箱包括上壳、与上壳配合形成收容空间的下壳以及收容于收容空间内的扬声器单体,扬声器单体将收容空间分隔成前腔与后腔,扬声器单体包括用于振动发声的振膜,振膜与上壳间隔设置形成前声腔,上壳形成有连通前声腔与外界的出声通道,前声腔与出声通道共同构成所述扬声器箱的前腔,上壳包括顶壁、以及自顶壁朝下壳方向延伸并固定扬声器单体的支撑壁,所述扬声器箱还包括自顶壁朝下壳方向延伸的分隔壁以及自分隔壁朝支撑壁方向延伸的盖板,分隔壁、盖板及支撑壁围成至少两个相互间隔设置的谐振腔,谐振腔与前腔连通。本发明提供的扬声器箱可以有效降低高频谐振峰值和灵敏度,改善所述扬声器箱的声学性能。
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