WO2021000066A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2021000066A1
WO2021000066A1 PCT/CN2019/093945 CN2019093945W WO2021000066A1 WO 2021000066 A1 WO2021000066 A1 WO 2021000066A1 CN 2019093945 W CN2019093945 W CN 2019093945W WO 2021000066 A1 WO2021000066 A1 WO 2021000066A1
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WO
WIPO (PCT)
Prior art keywords
magnetic
voice coil
magnetic steel
auxiliary
splint
Prior art date
Application number
PCT/CN2019/093945
Other languages
English (en)
French (fr)
Inventor
肖波
令狐荣林
刘晓东
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)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, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2019/093945 priority Critical patent/WO2021000066A1/zh
Priority to CN201921033386.0U priority patent/CN210093501U/zh
Publication of WO2021000066A1 publication Critical patent/WO2021000066A1/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
    • 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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • 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

Definitions

  • This application relates to the field of sound and electricity, and in particular to a speaker.
  • the vibration system of the loudspeaker in the related art includes a diaphragm for vibrating and sounding fixed to the frame, and a voice coil attached to the diaphragm.
  • the magnetic circuit system includes a yoke fixed to the frame and The main magnet of the yoke, the two auxiliary magnets respectively arranged on opposite sides of the main magnet and forming a magnetic gap with the main magnet, the splint superimposed on the auxiliary magnet, and the The auxiliary magnet above the splint.
  • the voice coil, the pole core, and the main magnet have a frame ring structure, and the splint isolates the auxiliary magnet and the voice coil, and the magnetic circuit system
  • the design of the voice coil fails to fully utilize its performance, which limits the acoustic performance of the speaker.
  • the related art voice coil has a box ring structure, and the splint isolates the auxiliary magnetic steel and the voice coil.
  • the design of the magnetic circuit system and the voice coil fails to fully utilize its performance, which limits the acoustic performance of the speaker.
  • the present application provides a loudspeaker including a basin frame, a vibration system fixed to the basin frame, and a magnetic circuit system with a magnetic gap.
  • the vibration system includes a diaphragm fixed to the basin frame and inserted into the The magnetic gap is used to drive the voice coil of the diaphragm to vibrate and produce sound.
  • the voice coil includes two short sides arranged at opposite intervals and two long sides arranged at opposite intervals connecting the two short sides. For curved structure.
  • the two long sides protrude outward in the direction in which they are separated.
  • the two long sides are concave in the direction facing the two.
  • the two long sides are curved structures provided with multiple bends.
  • the two long sides provided with multi-segment bends are generally concave in the direction facing the two.
  • the voice coil is centrally symmetrical.
  • the magnetic circuit system includes a magnetic yoke fixed to the basin frame, a main magnetic steel fixed to the magnetic yoke, which are respectively located on opposite sides of the main magnetic steel and are spaced apart from the main magnetic steel.
  • the secondary magnet of the magnetic gap and the pole core superimposed on the main magnet, the voice coil is inserted into the magnetic gap, and the structure of the main magnet and the pole core is the same as that of the voice coil adapt.
  • the magnetic circuit system further comprises a splint stacked on the auxiliary magnet and two auxiliary magnets stacked on the splint.
  • the auxiliary magnet, the splint superimposed on the auxiliary magnet, and the auxiliary magnet superimposed on the splint are connected to the long side of the voice coil, and the auxiliary magnet and splint
  • the structure connected with the voice coil of the auxiliary magnetic steel is adapted to the long side structure.
  • one side surface of the auxiliary magnet is fixedly connected to the long side of the voice coil, and the lower surface of the auxiliary magnet is fixedly connected to the clamping plate.
  • the present application changes the structure of the voice coil, adopts a voice coil with a curved structure on the long side, and adds a splint superimposed on the auxiliary magnetic steel and an auxiliary magnetic steel superimposed on the splint.
  • One side surface of the auxiliary magnet is fixedly connected to the long side of the voice coil, the lower surface of the auxiliary magnet is fixedly connected to the splint, and a magnetic gap is formed between the auxiliary magnet and the main magnet, Effectively increase the effective magnetic gap length and the magnetic circuit force coefficient, thereby effectively increasing the magnetic field strength of the magnetic circuit system, and improving the magnetic driving force and symmetry of the magnetic circuit system, thereby enhancing the acoustic performance and reliability of the sound generator .
  • FIG. 1 is a schematic diagram of a three-dimensional structure of Embodiment 1 of a speaker provided by this application;
  • Figure 2 is an exploded view of the structure of the first embodiment shown in Figure 1;
  • Figure 3 is a cross-sectional view of the first embodiment shown in Figure 1 along the line III-III;
  • Figure 4 is a cross-sectional view of the first embodiment shown in Figure 1 along the line IV-IV;
  • FIG. 6 is an exploded view of the structure of Embodiment 3 of the speaker provided by this application.
  • FIG. 1 is a schematic diagram of the three-dimensional structure of the first embodiment of the speaker provided by this application
  • FIG. 2 is an exploded view of the structure of the first embodiment shown in FIG. 1
  • FIG. 4 is a cross-sectional view along the line IV-IV of the first embodiment shown in FIG. 1.
  • the speaker 100 includes a basin frame (not shown in the figure), a vibration system 10 and a magnetic circuit system 30 housed in the basin frame.
  • the vibration system 10 includes a diaphragm 11 and a voice coil 11 that drives the diaphragm to vibrate and produce sound.
  • the diaphragm is driven by the voice coil 11 to vibrate and produce sound, and convert electrical signals into sound signals.
  • the voice coil is centrally symmetrical.
  • the magnetic circuit system 30 includes a magnetic yoke 31 fixed to the basin frame, a main magnetic steel 32 fixed to the magnetic yoke 31, respectively located on opposite sides of the main magnetic steel 32 and connected to the main magnetic steel 32.
  • the secondary magnet 33 that forms the magnetic gap 35 at intervals, the pole core 34 stacked on the side of the main magnet 32 close to the diaphragm, the splint 36 stacked on the secondary magnet 33, and the stack Two auxiliary magnets 37 on the splint 36.
  • the number of the auxiliary magnets 33 is two, and the two auxiliary magnets 33 are symmetrically arranged on both sides of the main magnet 32 and spaced apart from the main magnet 32 to form a magnetic gap 35.
  • the voice coil 11 includes two short sides 113 parallel to each other and two long sides 111 respectively connected to the two short sides 113 and enclosing a closed structure, and the long side 111 has at least one curved structure.
  • the long side 111 is a curved structure, and the two long sides are convex in the direction away from the two.
  • the structure of the main magnet 32 and the pole core 34 is adapted to the structure of the voice coil 11.
  • the auxiliary magnet 33, the clamp plate 36 stacked on the auxiliary magnet 33, and the auxiliary magnet 37 stacked on the clamp plate 36 are connected to the long side 111 of the voice coil, and the auxiliary magnet
  • the structure of the steel 33, the clamping plate 36 and the auxiliary magnetic steel 37 connected to the voice coil 11 is adapted to the structure of the long side 111 and is an outwardly convex structure.
  • the splint 36 includes two first sections 361 stacked on the auxiliary magnet 33 and two second sections 363 connecting the two first sections 361, and the two second sections 363 are arranged opposite to each other and form a closed structure together with the two first sections 361.
  • the first section 361 includes a first body 3611 superimposed on the secondary magnet 33, a relief groove 3615 formed by a recessed side of the first body 3611 close to the secondary magnet 33, and An extension 3613 of the first body 3611 that is bent and extended toward the second section 363.
  • the relief groove 3615 and the auxiliary magnetic steel 33 are attached and fixed.
  • the first body 3611 is horizontally a straight surface, and each auxiliary magnet 37 is superimposed and fixed on the surfaces of the two first bodies 3611 respectively.
  • the extension portion 3613 makes the second section 363 farther away from the voice coil than the first section 361.
  • the two auxiliary magnets 37 abut against the two extension portions 3613 respectively. More preferably, one side surface of the auxiliary magnet 37 is fixedly connected to the long side 111 of the voice coil 11 , The lower surface of the auxiliary magnetic steel 37 is fixedly connected to the extension portion 3613. At the same time, because the auxiliary magnetic steel 37 has a convex structure, a magnetic gap 35 is formed between the auxiliary magnetic steel 37 and the main magnetic steel 32, which effectively increases the effective magnetic gap length and the magnetic circuit force coefficient, thereby effectively increasing The magnetic field strength of the magnetic circuit system 30 improves the magnetic driving force and symmetry of the magnetic circuit system 30, thereby enhancing the acoustic performance and reliability of the sound generator 100.
  • FIG. 5 is an exploded view of the structure of the second embodiment 200 of the speaker provided by this application.
  • the second embodiment is basically the same as the first embodiment, and the definition symbols are basically the same. Only the differences are listed below.
  • the long side 111 is a curved structure, and the two long sides are concave in the direction in which they face each other.
  • the auxiliary magnet 33, the clamp plate 36 stacked on the auxiliary magnet 33, and the auxiliary magnet 37 stacked on the clamp plate 36 are connected to the long side 111 of the voice coil, and the auxiliary magnet
  • the structure of the steel, the splint and the auxiliary magnetic steel connected to the voice coil is a concave curved structure.
  • FIG. 6 is an exploded view of the structure of the third embodiment of the speaker 300 provided by this application.
  • the second embodiment is basically the same as the first embodiment, and the definition symbols are basically the same. Only the differences are listed below.
  • the two long sides are curved structures provided with multi-segment bends, and the two long sides provided with multi-segment bends are generally concave in the direction facing the two.
  • the auxiliary magnet 33, the clamp plate 36 stacked on the auxiliary magnet 33, and the auxiliary magnet 37 stacked on the clamp plate 36 are connected to the long side 111 of the voice coil, and the auxiliary magnet
  • the structures connected with the voice coil of steel, splint and auxiliary magnetic steel are multiple continuous bending structures.
  • the present application adopts a voice coil whose long side is at least one curved structure by changing the structure of the voice coil, adding a splint superimposed on the auxiliary magnetic steel and an auxiliary magnetic superimposed on the splint.
  • One side surface of the auxiliary magnetic steel is fixedly connected to the long side of the voice coil, the lower surface of the auxiliary magnetic steel is fixedly connected to the splint, and the auxiliary magnetic steel 37 and the main magnetic steel 32
  • the magnetic gap 35 is formed to effectively increase the effective magnetic gap length and the magnetic circuit force coefficient, thereby effectively increasing the magnetic field strength of the magnetic circuit system 30, and improving the magnetic driving force and symmetry of the magnetic circuit system 30, thereby enhancing the sound The acoustic performance and reliability of the device 100.

Abstract

本申请提供一种扬声器，包括盆架以及分别固定于所述盆架的振动系统及具有磁间隙的磁路系统。所述振动系统包括固定于所述盆架的振膜、插设于所述磁间隙以驱动所述振膜振动发声的音圈。所述磁路系统包括固定于所述盆架的磁轭、固定于所述磁轭的主磁钢、分别位于所述主磁钢相对两侧且与所述主磁钢间隔形成所述磁间隙的副磁钢和叠设于所述主磁钢的极芯。磁路系统还包括叠设于所述副磁钢的夹板和叠设于所述夹板的两个辅助磁钢，所述音圈包括相对间隔设置的两个短边和分别连接所述两个短边的相对间隔设置的两个长边，所述长边为弯曲结构。本申请提供的扬声器提高有效磁间隙长度，提高磁路力系数，增强了所述发声器的声学性能和可靠性。

Description

扬声器 技术领域
本申请涉及声电领域，尤其涉及一种扬声器。
 背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。用于播放声音的扬声器被大量应用到现在的手机等智能移动设备之中。而运用在扬声器的振动系统和磁路系统直接关系着扬声器的音质好坏。
相关技术中扬声器的振动系统包括固定于盆架的用于振动发声的振膜、贴设于所述振膜的音圈，所述磁路系统包括固定于盆架的磁轭、固定于所述磁轭的主磁钢、分别设置于所述主磁钢相对两侧且与所述主磁钢间隔形成磁间隙的两个副磁钢、叠设于所述副磁钢的夹板以及设置在所述夹板之上的辅助磁钢。
然而，相关技术的所述扬声器中，所述音圈、所述极芯和所述主磁钢为方框环状结构，所述夹板隔离所述辅助磁钢和所述音圈，磁路系统和音圈的设计未能充分将其性能发挥，限制了所述扬声器的声学性能。
因此，实有必要提供一种新的扬声器解决上述技术问题。
 技术问题
目前相关技术音圈为方框环状结构，夹板隔离所述辅助磁钢和所述音圈，磁路系统和音圈的设计未能充分将其性能发挥，限制了所述扬声器的声学性能。
 技术解决方案
本申请提供一种扬声器，包括盆架以及分别固定于所述盆架的振动系统及具有磁间隙的磁路系统，所述振动系统包括固定于所述盆架的振膜、插设于所述磁间隙以驱动所述振膜振动发声的音圈，所述音圈包括相对间隔设置的两个短边和分别连接所述两个短边的相对间隔设置的两个长边，所述长边为弯曲结构。
优选的，两个所述长边朝二者相离的方向外凸。
优选的，两个所述长边朝二者相向的方向内凹。
优选的，两个所述长边为设有多段弯折的弯曲结构。
优选的，两个设有多段弯折的长边整体上呈朝二者相向的方向内凹。
优选的，所述音圈呈中心对称。
优选的，所述磁路系统包括固定于所述盆架的磁轭、固定于所述磁轭的主磁钢、分别位于所述主磁钢相对两侧且与所述主磁钢间隔形成所述磁间隙的副磁钢和叠设于所述主磁钢的极芯，所述音圈插入所述磁间隙，所述主磁钢和所述极芯的结构与所述音圈的结构相适应。
优选的，所述磁路系统还包括叠设于所述副磁钢的夹板和叠设于所述夹板的两个辅助磁钢。
优选的，所述副磁钢、叠设于所述副磁钢之上的夹板和叠设于所述夹板之上的辅助磁钢与所述音圈长边相连，所述副磁钢、夹板和辅助磁钢的与所述音圈相连的结构与所述长边结构相适应。
优选的，所述辅助磁钢一侧表面与所述音圈的长边固定连接，所述辅助磁钢一下表面与所述夹板固定连接。
 有益效果
与相关技术相比，本申请通过改变所述音圈的结构，采用长边为弯曲结构的音圈，加入叠设于所述副磁钢的夹板和叠设于所述夹板的辅助磁钢，所述辅助磁钢一侧表面与所述音圈的长边固定连接，所述辅助磁钢一下表面与所述夹板固定连接，所述辅助磁钢与所述主磁钢之间形成磁间隙，有效提高有效磁间隙长度，提高磁路力系数，从而有效提高了磁路系统的磁场强度，提升了磁路系统的磁驱动力和对称性，从而增强了所述发声器的声学性能和可靠性。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本申请提供的扬声器实施例一的立体结构示意图；
图2为图1所示实施例一的结构分解图；
图3为图1所示实施例一沿III-III线的剖视图；
图4为图1所示实施例一沿IV-IV线的剖视图；
图5为本申请提供的扬声器实施例二的结构分解图；
图6为本申请提供的扬声器实施例三的结构分解图。
 本发明的最佳实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本申请的一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
实施例一
请结合参阅图1-4，图1为本申请提供的扬声器实施例一的立体结构示意图，图2为图1所示实施例一的结构分解图，图3为图1所示实施例一沿III-III线的剖视图，图4为图1所示实施例一沿IV-IV线的剖视图。所述扬声器100包括盆架（图未标示）、收容于所述盆架内的振动系统10和磁路系统30。
所述振动系统10包括振膜11和驱动所述振膜振动发声的音圈11。所述振膜在所述音圈11的驱动下振动发声，将电信号转换为声音信号。所述音圈呈中心对称。
所述磁路系统30包括固定于所述盆架的磁轭31、固定于所述磁轭31的主磁钢32、分别位于所述主磁钢32相对两侧且与所述主磁钢32间隔形成所述磁间隙35的副磁钢33、叠设于所述主磁钢32的靠近所述振膜一侧的极芯34、叠设于所述副磁钢33的夹板36和叠设于所述夹板36的两个辅助磁钢37。所述副磁钢33的数量为两个，两个所述副磁钢33对称设置于所述主磁钢32两侧并与所述主磁钢32间隔设置形成磁间隙35。
所述音圈11包括两个相互平行的短边113和与所述两个短边113分别连接并围成封闭结构的两个长边111，所述长边111为至少一弯曲结构。在本实施例中，所述长边111为一弯曲结构，两个所述长边朝二者相离的方向外凸。所述主磁钢32和所述极芯34的结构与所述音圈11的结构相适应。所述副磁钢33、叠设于所述副磁钢33之上的夹板36和叠设于所述夹板36之上的辅助磁钢37与所述音圈长边111相连，所述副磁钢33、夹板36和辅助磁钢37的与所述音圈11相连的结构与所述长边111结构相适应，为外凸结构。
特别的， 所述夹板36包括分别叠设于所述副磁钢33的两个第一段361以及连接两个所述第一段361的两个第二段363，两个所述第二段363间隔相对设置且与两个所述第一段361共同形成封闭结构。所述第一段361包括叠设于所述副磁钢33的第一本体3611、由所述第一本体3611的靠近所述副磁钢33一侧凹陷形成的让位槽3615以及由所述第一本体3611向靠近所述第二段363弯折延伸的延伸部3613。所述让位槽3615与所述辅助磁钢33贴合固定。
所述第一本体3611水平为一平直面，各所述辅助磁钢37分别叠设固定于两个所述第一本体3611表面。所述延伸部3613使得所述第二段363相较于所述第一段361远离所述音圈。
本实施方式中，两个所述辅助磁钢37分别抵接于两个所述延伸部3613，更优的，所述辅助磁钢37一侧表面与所述音圈11的长边111固定连接，所述辅助磁钢37一下表面与所述延伸部3613固定连接。同时由于所述辅助磁钢37为外凸结构，所述辅助磁钢37与所述主磁钢32之间形成磁间隙35，有效提高有效磁间隙长度，提高磁路力系数，从而有效提高了磁路系统30的磁场强度，提升了磁路系统30的磁驱动力和对称性，从而增强了所述发声器100的声学性能和可靠性。
实施例二
请参阅图5，图5为本申请提供的扬声器实施例二200的结构分解图。第二实施例与第一实施例中基本相同，定义符号基本一致，以下只列出不同点。在本实施例中，所述长边111为一弯曲结构，两个所述长边朝二者相向的方向内凹。。所述副磁钢33、叠设于所述副磁钢33之上的夹板36和叠设于所述夹板36之上的辅助磁钢37与所述音圈长边111相连，所述副磁钢、夹板和辅助磁钢的与所述音圈相连的结构为内凹弯曲结构。
请参阅图6，图6为本申请提供的扬声器实施例三300的结构分解图。第二实施例与第一实施例中基本相同，定义符号基本一致，以下只列出不同点。在本实施例中，两个所述长边为设有多段弯折的弯曲结构，两个设有多段弯折的长边整体上呈朝二者相向的方向内凹。所述副磁钢33、叠设于所述副磁钢33之上的夹板36和叠设于所述夹板36之上的辅助磁钢37与所述音圈长边111相连，所述副磁钢、夹板和辅助磁钢的与所述音圈相连的结构为多个连续弯曲结构。
与相关技术相比，本申请通过改变所述音圈的结构，采用长边为至少一弯曲结构的音圈，加入叠设于所述副磁钢的夹板和叠设于所述夹板的辅助磁钢，所述辅助磁钢一侧表面与所述音圈的长边固定连接，所述辅助磁钢一下表面与所述夹板固定连接，所述辅助磁钢37与所述主磁钢32之间形成磁间隙35，有效提高有效磁间隙长度，提高磁路力系数，从而有效提高了磁路系统30的磁场强度，提升了磁路系统30的磁驱动力和对称性，从而增强了所述发声器100的声学性能和可靠性。
以上所述的仅是本申请的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本申请创造构思的前提下，还可以做出改进，但这些均属于本申请的保护范围。
 本发明的实施方式
在此处键入本发明的实施方式描述段落。
 工业实用性
在此处键入工业实用性描述段落。
 序列表自由内容
在此处键入序列表自由内容描述段落。

Claims (10)

  1. 一种扬声器，包括盆架以及分别固定于所述盆架的振动系统及具有磁间隙的磁路系统，所述振动系统包括固定于所述盆架的振膜、插设于所述磁间隙以驱动所述振膜振动发声的音圈，其特征在于，所述音圈包括相对间隔设置的两个短边和分别连接所述两个短边的相对间隔设置的两个长边，所述长边为弯曲结构。
  2. 根据权利要求1所述的扬声器，其特征在于，两个所述长边朝二者相离的方向外凸
  3. 根据权利要求1所述的扬声器，其特征在于，两个所述长边朝二者相向的方向内凹。
  4. 根据权利要求1所述的扬声器，其特征在于，两个所述长边为设有多段弯折的弯曲结构。
  5. 根据权利要求4所述的扬声器，其特征在于，两个设有多段弯折的长边整体上呈朝二者相向的方向内凹。
  6. 根据权利要求1所述的扬声器，其特征在于，所述音圈呈中心对称。
  7. 根据权利要求1所述的扬声器，其特征在于，所述磁路系统包括固定于所述盆架的磁轭、固定于所述磁轭的主磁钢、分别位于所述主磁钢相对两侧且与所述主磁钢间隔形成所述磁间隙的副磁钢和叠设于所述主磁钢的极芯，所述音圈插入所述磁间隙，所述主磁钢和所述极芯的结构与所述音圈的结构相适应。
  8. 根据权利要求7所述的扬声器，其特征在于，所述磁路系统还包括叠设于所述副磁钢的夹板和叠设于所述夹板的两个辅助磁钢。
  9. 根据权利要求7所述的扬声器，其特征在于，所述副磁钢、叠设于所述副磁钢之上的夹板和叠设于所述夹板之上的辅助磁钢与所述音圈长边相连，所述副磁钢、夹板和辅助磁钢的与所述音圈相连的结构与所述长边结构相适应。
  10. 根据权利要求8所述的扬声器，其特征在于，所述辅助磁钢一侧表面与所述音圈的长边固定连接，所述辅助磁钢一下表面与所述夹板固定连接。
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CN111641907B (zh) * 2020-06-24 2021-07-09 瑞声科技(新加坡)有限公司 发声器件
CN214177553U (zh) * 2020-11-30 2021-09-10 瑞声科技(新加坡)有限公司 发声器件
CN218387880U (zh) * 2022-09-02 2023-01-24 瑞声光电科技(常州)有限公司 扬声器

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