WO2020125157A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2020125157A1
WO2020125157A1 PCT/CN2019/110285 CN2019110285W WO2020125157A1 WO 2020125157 A1 WO2020125157 A1 WO 2020125157A1 CN 2019110285 W CN2019110285 W CN 2019110285W WO 2020125157 A1 WO2020125157 A1 WO 2020125157A1
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WO
WIPO (PCT)
Prior art keywords
frame
side wall
magnetic
basin
basin frame
Prior art date
Application number
PCT/CN2019/110285
Other languages
English (en)
French (fr)
Inventor
吴树文
宋威
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声光电科技(常州)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声光电科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2020125157A1 publication Critical patent/WO2020125157A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R15/00—Magnetostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/025—Arrangements for fixing loudspeaker transducers, e.g. in a box, furniture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2811—Enclosures comprising vibrating or resonating arrangements for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
    • H04R2201/029—Manufacturing aspects of enclosures transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/027—Electrical or mechanical reduction of yoke vibration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering

Definitions

  • the utility model relates to the field of electroacoustic conversion, in particular to a speaker.
  • the protrusions are usually provided on the magnetic frame by bending, and the magnetic frame is snap-fitted with the corresponding opening on the basin frame, however, this bending is used
  • the protruding part prepared by the method has the disadvantage that the bending angle is not easy to control and affects the subsequent assembly process.
  • the purpose of the utility model is to provide a loudspeaker with stable structure and high matching precision.
  • a loudspeaker including a basin frame, a vibration system and a magnetic circuit system
  • the magnetic circuit system includes a magnetic frame
  • the basin frame includes a bottom wall of the basin frame snap-fitted with the magnetic frame
  • a side wall of the basin frame extending from the bottom wall of the basin frame away from the magnetic frame
  • the magnetic frame and the basin frame together enclose a receiving space for accommodating the vibration system
  • the magnetic frame includes a magnetic frame A bottom wall, a side wall of the magnetic frame extending from the outer side of the bottom wall of the magnetic frame in the direction of the basin shelf, and an extending portion extending from the side wall of the magnetic frame in a direction away from the receiving space, the extending portion is provided with
  • the bottom wall of the basin frame includes a first surface that is in conformity with the extension portion and a second surface located in the receiving space, and the boss is received in the opening and does not exceed the first Two surfaces.
  • the basin frame further includes an inner wall surface surrounding the opening, and at least one of the inner wall surfaces is provided with a matching portion protruding into the opening, the matching portion and the boss Abut.
  • the bosses are arranged on the extending portion at even intervals.
  • the boss is provided at an edge of the extension part away from the vibration system.
  • At least a part of the orthographic projection of the boss toward the extension along the vibration direction of the speaker is located outside the extension.
  • the side wall of the basin frame includes a first side wall extending from a side of the bottom wall of the basin frame away from the vibration system and a first side wall extending from a side of the bottom wall of the basin frame close to the vibration system
  • the basin frame further includes an upper wall of the basin frame extending from a side of the second side wall away from the magnetic frame to the vibration system in a direction perpendicular to the vibration direction
  • the receiving space includes the basin A first accommodating space enclosed by the shelf and a second accommodating space jointly enclosed by the magnetic frame, the bottom wall of the basin shelf, the upper wall of the basin shelf, and the second side wall.
  • the magnetic frame further includes a third side wall extending from the inner side of the bottom wall of the magnetic frame toward the basin frame, and a side surface from the third side wall near the basin frame The upper wall of the magnetic frame extending away from the side wall of the magnetic frame.
  • the speaker further includes a lower diaphragm accommodated in the second receiving space and a flexible circuit board stacked on the lower diaphragm.
  • the first side wall, the second side wall, the magnetic frame side wall and the third side wall are all circular in cross section perpendicular to the vibration direction.
  • the beneficial effect of the utility model lies in: the speaker of the utility model forms a stably structured boss on the extension of the magnetic frame through a half-shear process, and cooperates with the opening on the basin frame, thereby forming a structure with stability, and Suitable for speakers with the advantages of precise assembly.
  • FIG. 1 is a perspective view of the speaker of the present invention.
  • FIG. 2 is an exploded view of the speaker of the present invention.
  • Fig. 3 is a cross-sectional view taken along line A-A in Fig. 1.
  • Fig. 4 is an enlarged view of part B in Fig. 3.
  • FIG. 5 is a top view of some components of the speaker of the present invention.
  • FIG. 6 is an enlarged view of part C in FIG. 5.
  • the speaker box 100 of the present invention includes a basin frame 1, a vibration system 2 and a magnetic circuit system 3.
  • the magnetic circuit system includes a magnetic frame 31, and the basin frame 1 includes The bottom wall 11 of the basin frame to which the magnetic frame 31 snaps and the side wall 12 of the basin frame extending from the bottom wall 11 of the basin frame away from the magnetic frame 31
  • a first side wall 121 extending outside the shelf bottom wall 11 and a second side wall 122 extending from inside the basin bottom wall 11, the first side wall 121 and the second side wall 122 are perpendicular to the vibration direction
  • the cross-section is circular, and in other optional embodiments, the cross-section may also be other shapes.
  • the basin frame further includes an upper wall 13 of the basin frame extending from the side of the second side wall 122 away from the magnetic frame 31 to the inside in a direction perpendicular to the vibration direction.
  • the magnetic frame 31 is common to the basin frame 1
  • a storage space 5 containing the vibration system 2 is enclosed.
  • the storage space 5 includes a first storage space 6 surrounded by the basin frame, and the magnetic frame 31, the basin wall 11 and the The upper wall 13 of the basin frame and the second side wall 122 together form a second accommodating space 7.
  • the speaker 100 further includes a lower diaphragm 23 accommodated in the second accommodating space 7 and stacked on the The flexible circuit board 4 on the lower diaphragm 23.
  • the vibration system 2 includes an upper sound membrane 21, a voice coil assembly 22 that drives the upper sound membrane 21 to vibrate, and a lower sound membrane 23 located at an end of the voice coil assembly 22 away from the upper sound membrane 21, the lower sound membrane 23 and the flexible circuit board 4 jointly elastically support the voice coil assembly 22, the voice coil assembly 22 is electrically connected to the flexible circuit board 4, the voice coil assembly 22 includes a voice coil skeleton 221 and fixed on the The coil 222 on the voice coil skeleton 221.
  • the magnetic circuit system 3 includes a magnetic frame 31, a magnetic steel 32 stacked on the magnetic frame 31 and a pole core 33 attached on the magnetic steel 32.
  • the magnetic frame 31 includes a magnetic frame bottom wall 311 , A side wall 312 of the magnetic frame extending from the outside of the bottom wall 311 of the magnetic frame to the direction of the basin frame 1, and an extension 313 extending outward from the side wall 312 of the magnetic frame, the extension 313 is provided with a plurality of A boss 314 formed by a half-shearing process and protruding toward the basin frame 1.
  • the boss 314 is prepared by applying a half-shear process, that is, punching one side of the pot holder 1 with a punch, so that the pot holder material is squeezed into the groove in the mold to prepare and form the boss 314.
  • the boss obtained by applying the half-shear process has the advantages of stable structure and controllable size.
  • the bosses 314 are arranged on the extension portion 313 at even intervals. In other optional embodiments, the bosses may be arranged at uneven intervals.
  • the boss 314 is disposed at an edge of the extension portion 313 away from the side wall 312 of the magnetic frame. At least a part of the orthographic projection of the boss 314 toward the extension portion 313 along the vibration direction of the speaker 100 is located Said extension 313 outside. In other optional embodiments, the boss may also be provided at other positions of the extension.
  • the magnetic frame 31 further includes a third side wall 315 extending from the inner side of the bottom wall 311 of the magnetic frame toward the basin frame 1 and away from a side of the third side wall 315 near the basin frame 1
  • a magnetic frame upper wall 316 extending in the direction of the magnetic frame side wall 312, the magnetic steel 32 is stacked on the magnetic frame upper wall 316, the magnetic frame side wall 312 and the third side wall 315 are along
  • the cross section perpendicular to the vibration direction is circular, and in other optional embodiments, the cross section may also have other shapes.
  • the bottom wall 11 of the basin frame is provided with an opening 111 that is clamped and fixed to the boss 314, and the bottom wall 11 of the basin frame further includes a contact with the extension portion 313
  • the first surface 113 and the second surface 112 located in the receiving space 5 the boss 314 is received in the opening 111 and does not exceed the second surface 112. Since the boss 314 does not exceed the second surface 112, the boss 314 does not occupy the volume of the receiving space 5, which facilitates the design of the internal structure of the speaker 100.
  • the basin frame 1 further includes an inner wall surface 1111 surrounding the opening 111, and at least one of the inner wall surfaces 1111 is provided with a protrusion protruding into the opening 111.
  • the fitting portion 1112 abuts on the boss 314. Through the abutment cooperation of the fitting portion 1112 and the boss 314, the magnetic frame 31 and the basin frame 1 can achieve a better matching effect, and the structural stability of the speaker 100 is increased.
  • the matching part may not be provided.
  • the beneficial effect of the utility model lies in: the speaker of the utility model forms a stably convex boss on the extension part of the magnetic frame through a half-shear process, and cooperates with the opening in the basin frame to form a structure with stable structure And suitable for speakers with the advantages of precise assembly.

Abstract

本发明提供了一种扬声器，其包括盆架、振动系统以及磁路系统，所述磁路系统包括磁框，所述磁框与所述盆架共同围成收容有所述磁路系统以及所述振动系统的收容空间，所述磁框包括磁框底壁、自所述磁框底壁外侧向所述盆架方向延伸的磁框侧壁以及自所述磁框侧壁向外侧延伸的延伸部，所述延伸部上设有若干个通过半剪工艺形成的且向所述盆架方向突起的凸台，所述盆架的底部上设有与所述凸台卡接固定的开孔，本发明的扬声器具有结构尺寸稳定，以及适于精确定位的优点。

Description

扬声器 技术领域
本实用新型涉及电声转换领域，尤其涉及一种扬声器。
 背景技术
随着电子信息技术的快速发展，越来越多的发声器件应用于各类电子产品上，尤其是广为人们应用的移动通讯设备，发声器件的需求量也随之增大，在大批量的生产中，扬声器结构的稳定性以及定位的精准度密切影响着扬声器生产过程中的良品率。
现有技术在装配扬声器盆架与磁框的时候，通常是在磁框上通过折弯的方式提供突出部，与盆架上对应的开口配合卡接固定磁框，然而，使用这种折弯的方法制备的突出部具有折弯角度不易控制，并且影响后续装配流程的缺点。
因此，有必要提供一种新的技术方案来改善上述问题。
 技术问题
本实用新型的目的在于提供一种结构尺寸稳定、配合精度高的扬声器。
 技术解决方案
本实用新型的技术方案如下：一种扬声器，其包括盆架、振动系统以及磁路系统，所述磁路系统包括磁框，所述盆架包括与所述磁框卡接的盆架底壁以及自所述盆架底壁向远离所述磁框方向延伸的盆架侧壁，所述磁框与所述盆架共同围成收容所述振动系统的收容空间，所述磁框包括磁框底壁、自所述磁框底壁外侧向所述盆架方向延伸的磁框侧壁以及自所述磁框侧壁向远离所述收容空间的方向延伸的延伸部，所述延伸部上设有若干个通过半剪工艺形成的且向所述盆架方向突起的凸台，所述盆架底壁上设有与所述凸台卡接固定的开孔。
优选的，所述盆架底壁包括与所述延伸部贴合的第一表面以及位于所述收容空间内的第二表面，所述凸台收容于所述开孔内且不超过所述第二表面。
优选的，所述盆架还包括围成所述开孔的内壁面，至少有一个所述内壁面上设置有向所述开孔内部凸起的配合部，所述配合部与所述凸台抵接。
优选的，所述凸台均匀间隔设置于所述延伸部上。
优选的，所述凸台设置于所述延伸部远离所述振动系统一侧的边缘。
优选的，所述凸台沿扬声器的振动方向向所述延伸部的正投影至少有一部分位于所述延伸部外。
优选的，所述盆架侧壁包括自所述盆架底壁远离所述振动系统的一侧延伸的第一侧壁以及自所述盆架底壁靠近所述振动系统的一侧延伸的第二侧壁，所述盆架还包括自所述第二侧壁远离所述磁框的一侧沿垂直于振动方向向所述振动系统延伸的盆架上壁，所述收容空间包括所述盆架围成的第一收容空间以及由所述磁框、所述盆架底壁、所述盆架上壁以及所述第二侧壁共同围成的第二收容空间。
优选的，其特征在于，所述磁框还包括自所述磁框底壁内侧向所述盆架方向延伸的第三侧壁以及自所述第三侧壁靠近所述盆架的一侧向远离所述磁框侧壁的方向延伸的磁框上壁。
优选的，其特征在于，所述扬声器还包括收容于所述第二收容空间内的下振膜以及叠设于下振膜上的柔性电路板。
优选的，所述第一侧壁、第二侧壁、磁框侧壁以及第三侧壁沿垂直于振动方向的截面均为圆形。
 有益效果
本实用新型的有益效果在于：本实用新型的扬声器，在磁框的延伸部上通过半剪工艺形成结构稳定的凸台，与盆架上的开孔配合，从而形成一种具有结构稳定，并适于精准装配优点的扬声器。
 附图说明
图1为本实用新型的扬声器立体图。
图2为本实用新型的扬声器的分解图。
图3为沿图1中A-A线的剖示图。
图4为图3中B部分的放大图。
图5为本实用新型的扬声器部分组件俯视图。
图6为图5中C部分的放大图。
 本发明的实施方式
下面结合附图1至6和实施方式对本实用新型作进一步说明。
如图1至图4所示，为本实用新型的扬声器箱100，其包括盆架1、振动系统2以及磁路系统3，所述磁路系统包括磁框31，所述盆架1包括与所述磁框31卡接的盆架底壁11以及自所述盆架底壁11向远离所述磁框31方向延伸的盆架侧壁12，所述盆架侧壁12包括自所述盆架底壁11外侧延伸的第一侧壁121以及自所述盆架底壁11内侧延伸的第二侧壁122，所述第一侧壁121以及所述第二侧壁122沿垂直于振动方向的截面为圆形，在其他可选的实施方式中，所述截面也可以为其他的形状。所述盆架还包括自所述第二侧壁122远离所述磁框31的一侧沿垂直于振动方向向内侧延伸的盆架上壁13，所述磁框31与所述盆架1共同围成收容有所述振动系统2的收容空间5，所述收容空间5包括所述盆架围成的第一收容空间6以及由所述磁框31、所述盆架底壁11、所述盆架上壁13以及所述第二侧壁122共同围成的第二收容空间7，所述扬声器100还包括收容于所述第二收容空间7内的下振膜23以及叠设于所述下振膜23上的柔性电路板4。
所述振动系统2包括上音膜21、驱动上音膜21振动发声的音圈组件22以及位于所述音圈组件22远离所述上音膜21一端的下音膜23，所述下音膜23与所述柔性电路板4共同弹性支撑所述音圈组件22，所述音圈组件22与所述柔性电路板4电连接，所述音圈组件22包括音圈骨架221以及固定在所述音圈骨架221上的线圈222。
所述磁路系统3包括磁框31，叠设于所述磁框31上的磁钢32以及贴设于所述磁钢32上的极芯33，所述磁框31包括磁框底壁311、自所述磁框底壁311外侧向所述盆架1方向延伸的磁框侧壁312以及自所述磁框侧壁312向外侧延伸的延伸部313，所述延伸部313上设有若干个通过半剪工艺形成的且向所述盆架1方向突起的凸台314。
所述凸台314是应用半剪工艺制备，即使用冲子冲压所述盆架1的一面，使得盆架材料挤入模具中的凹槽，制备形成所述凸台314。应用半剪工艺得到的凸台具有结构稳定，尺寸可控的优点。
所述凸台314均匀间隔设置于所述延伸部313上，在其他可选的实施方式中，所述凸台也可以不均匀的间隔设置。
所述凸台314设置于所述延伸部313远离所述磁框侧壁312一侧的边缘，所述凸台314沿扬声器100的振动方向向所述延伸部313的正投影至少有一部分位于所述延伸部313外。在其他可选的实施方式中，所述凸台也可以设置于所述延伸部的其他位置。
所述磁框31还包括自所述磁框底壁311内侧向所述盆架1方向延伸的第三侧壁315以及自所述第三侧壁315靠近所述盆架1的一侧向远离所述磁框侧壁312的方向延伸的磁框上壁316，所述磁钢32叠设于所述磁框上壁316上，所述磁框侧壁312以及所述第三侧壁315沿垂直于振动方向的截面为圆形，在其他可选的实施方式中，所述截面也可以为其他的形状。
如图3至图4所示，所述盆架底壁11上设有与所述凸台314卡接固定的开孔111，所述盆架底壁11还包括与所述延伸部313接触的第一表面113以及位于所述收容空间5内的第二表面112，所述凸台314收容于所述开孔111内且不超过所述第二表面112。由于所述凸台314未超过所述第二表面112，使得所述凸台314并未占用所述收容空间5的体积，方便了所述扬声器100内部结构的设计。
如图5至图6所示，所述盆架1还包括围成所述开孔111的内壁面1111，至少有一个所述内壁面1111上设置有向所述开孔111内部凸起的配合部1112，所述配合部1112与所述凸台314抵接。通过所述配合部1112与所述凸台314的抵接配合，使得所述磁框31与所述盆架1能够达到更好的配合效果，增加了所述扬声器100的结构稳定性，在其他可选的实施方式中，也可以不设置配合部。
本实用新型的有益效果在于：本实用新型的扬声器，在磁框的延伸部上通过半剪工艺形成一种结构稳定的凸台，与盆架上的开孔配合，从而形成一种具有结构稳定，并适于精准装配优点的扬声器。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种扬声器，其包括盆架、振动系统以及磁路系统，所述磁路系统包括磁框，所述盆架包括与所述磁框卡接的盆架底壁以及自所述盆架底壁向远离所述磁框方向延伸的盆架侧壁，所述磁框与所述盆架共同围成收容所述振动系统的收容空间，所述磁框包括磁框底壁、自所述磁框底壁外侧向所述盆架方向延伸的磁框侧壁以及自所述磁框侧壁向外侧延伸的延伸部，其特征在于，所述延伸部上设有若干个通过半剪工艺形成的且向所述盆架方向突起的凸台，所述盆架底壁上设有与所述凸台卡接固定的开孔。
  2. 根据权利要求1所述的扬声器，其特征在于，所述盆架底壁包括与所述延伸部贴合的第一表面以及位于所述收容空间内的第二表面，所述凸台收容于所述开孔内且不超过所述第二表面。
  3. 根据权利要求1所述的扬声器，其特征在于，所述盆架还包括围成所述开孔的内壁面，至少有一个所述内壁面上设置有向所述开孔内部凸起的配合部，所述配合部与所述凸台抵接。
  4. 根据权利要求1所述的扬声器，其特征在于，所述凸台均匀间隔设置于所述延伸部上。
  5. 根据权利要求1所述的扬声器，其特征在于，所述凸台设置于所述延伸部远离所述振动系统一侧的边缘。
  6. 根据权利要求5所述的扬声器，其特征在于，所述凸台沿扬声器的振动方向向所述延伸部的正投影至少有一部分位于所述延伸部外。
  7. 根据权利要求1所述的扬声器，其特征在于，所述盆架侧壁包括自所述盆架底壁外侧延伸的第一侧壁以及自所述盆架底壁内侧延伸的第二侧壁，所述盆架还包括自所述第二侧壁远离所述磁框的一侧沿垂直于振动方向向所述振动系统延伸的盆架上壁，所述收容空间包括由所述盆架围成的第一收容空间以及由所述磁框、所述盆架底壁、所述盆架上壁以及所述第二侧壁共同围成的第二收容空间。
  8. 根据权利要求7所述的扬声器，其特征在于，所述磁框还包括自所述磁框底壁内侧向所述盆架方向延伸的第三侧壁以及自所述第三侧壁靠近所述盆架的一侧向远离所述磁框侧壁的方向延伸的磁框上壁，所述扬声器包括叠设于所述磁框上壁上的磁钢。
  9. 根据权利要求7所述的扬声器，其特征在于，所述扬声器还包括收容于所述第二收容空间内的下振膜以及叠设于所述下振膜上的柔性电路板。
  10. 根据权利要求8所述的扬声器，其特征在于，所述第一侧壁、第二侧壁、磁框侧壁以及第三侧壁沿垂直于振动方向的截面均为圆形。
PCT/CN2019/110285 2018-12-19 2019-10-10 扬声器 WO2020125157A1 (zh)

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