WO2020134355A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2020134355A1
WO2020134355A1 PCT/CN2019/110720 CN2019110720W WO2020134355A1 WO 2020134355 A1 WO2020134355 A1 WO 2020134355A1 CN 2019110720 W CN2019110720 W CN 2019110720W WO 2020134355 A1 WO2020134355 A1 WO 2020134355A1
Authority
WO
WIPO (PCT)
Prior art keywords
diaphragm
short
sides
sound
basin frame
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2019/110720
Other languages
English (en)
French (fr)
Inventor
吴树文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte Ltd
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 AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2020134355A1 publication Critical patent/WO2020134355A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H04R9/027—Air gaps using a magnetic fluid
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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
    • H04R1/283—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834—Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R2209/024—Manufacturing aspects of the magnetic circuit of loudspeaker or microphone transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/006—Interconnection of transducer parts

Definitions

  • the invention relates to the technical field of electronic equipment, in particular to a sound-emitting device.
  • the sound-generating device in the related art only positions the metal basin frame in the Z direction, and the spot welding position is only the corner of the basin frame.
  • This structure causes the sound-emitting device to be easily deformed and warped in the middle of the short axis of the basin frame after the drop test.
  • the purpose of the present invention is to overcome the above technical problems and provide a sounder device with a more robust structure.
  • the present invention provides a sound-generating device including a metal basin frame and a magnetic circuit system and a vibration system mounted on the basin frame, the vibration system includes a first diaphragm fixed on one end of the basin frame ,
  • the magnetic circuit system includes a splint fixed on the inner side of the basin frame, the splint includes a pair of oppositely arranged long-axis edges and a pair of relatively arranged short-axis edges, the long-axis edges and the short-axis edges end to end Surrounding each other to form the splint
  • the basin frame includes two long sides oppositely disposed, two short sides oppositely disposed, and a corner portion connecting the adjacent long sides and the short sides, the short sides It includes a first surface facing away from the first diaphragm, the short axis side abuts on the first surface, the short axis side includes a second surface facing the short side, and the corner portion includes a side away from A third surface of the first diaphragm, the
  • the raised portion is provided at the middle of the short side.
  • the convex portion and the escape portion are fixed by laser welding.
  • the corner portion and the splint are fixed by laser welding.
  • the protrusion extends from the first surface away from the first diaphragm to be flush with the third surface.
  • the recessed depth of the escape portion is equal to the thickness of the raised portion.
  • the magnetic circuit system further includes a yoke, a main magnet assembled at the center of the yoke, a main pole core attached to the surface of the main magnet, assembled to the yoke and located
  • the two secondary magnetic steels on both sides of the main magnetic steel are attached to the surfaces of the two secondary magnetic steels respectively.
  • the vibration system further includes a voice coil that drives the first diaphragm to vibrate and sound under the first diaphragm, a second diaphragm fixed to the other end of the basin frame, and elastically supporting the sound And a flexible circuit board electrically connected to the voice coil, the flexible circuit board being sandwiched between the voice coil and the second diaphragm.
  • the sound-generating device provided by the present invention adds a protruding protruding portion in the middle of the short side of the basin frame, and at the same time, a relief portion matching the protruding portion is provided on the splint.
  • the corner part and the convex part are respectively fixed with the splint, such a structure can ensure that the short side of the metal basin frame is prevented from being deformed and warped after the drop test.
  • FIG. 1 is a structural diagram of a sound-emitting device provided by the present invention.
  • FIG. 3 is a cross-sectional view of a sound-emitting device provided by the present invention.
  • FIG. 5 is an assembling diagram of the first diaphragm, basin frame and splint provided by the present invention
  • FIG. 6 is a partially enlarged view at A in FIG. 5.
  • the present invention provides a sound-emitting device 100 including a metal basin frame 1 and a magnetic circuit system 3 and a vibration system 4 mounted on the basin frame 1.
  • the basin frame 1 has a hollow rectangular shape as a whole, and the basin frame 1 includes two long sides 11 disposed oppositely, two short sides 11 disposed oppositely, and connecting the adjacent long sides 11 and the short sides 12 ⁇ 13 ⁇ The corner section 13.
  • the magnetic circuit system 3 includes a splint 31 mounted on the basin frame 1, a yoke 32, a main magnet 33 assembled at the center of the yoke 32, and a main magnet attached to the surface of the main magnet 33 Pole core 331, two auxiliary magnets 34 arranged on both sides of the main magnet 33 and located on the yoke 32, the main magnet 33 is generally rectangular in structure, and the auxiliary magnet 34 is disposed on the Main magnet A magnetic gap is formed between the two sides of 33 and the main magnetic steel 33.
  • the main pole core 331 is used to guide the main magnetic steel 33 to reduce the outflow of magnetic lines of force, and effectively improve the driving force of the magnetic circuit system 3.
  • the splint 31 has an annular rectangular shape and includes a pair of opposed long-axis edges 311 and a pair of opposed short-axis edges 312, the long-axis edges 311 and the short-axis edges 312 The splint 31 is formed end to end.
  • the two long axis sides 311 are attached to the surfaces of the two secondary magnets 34 respectively. This structure makes the structure of the sound emitting device 100 simpler.
  • the vibration system 4 includes a first diaphragm 41 fixed to one end of the basin frame 1, a second diaphragm 42 fixed to the other end of the basin frame 1, and driving the diaphragm under the first diaphragm 41
  • the first diaphragm 41 vibrates a voice coil 43 that makes sound and a flexible circuit board 44 that elastically supports the voice coil 43 and is electrically connected to the voice coil 43.
  • One end of the second diaphragm 42 is fixed to the basin frame 1, and the other end is fixed to the end of the voice coil 43 away from the first diaphragm 41.
  • the second diaphragm 42 effectively prevents the first diaphragm 42
  • the lateral oscillation of the voice coil 43 when the diaphragm 41 vibrates effectively improves the stability of the sound-generating device 100, and at the same time, the second diaphragm 42 also increases the vibration intensity of the vibration system 2 and improves the sound-generating performance .
  • the flexible circuit board 44 is electrically connected to the voice coil 43, the flexible circuit board 44 is sandwiched between the voice coil 43 and the second diaphragm 42, specifically, one end of the flexible circuit board 44 It is fixed to the basin frame 1 and the other end is fixedly supported on the end of the voice coil 43 away from the first diaphragm 41.
  • This structural arrangement can further increase the vibration strength of the first diaphragm 41 and improve the sound generation The loudness of the device 100.
  • the corner portion 13 includes a third surface 131 facing away from the first diaphragm 41
  • the short side 12 includes a first surface facing away from the first diaphragm 41 121 and a protrusion 122 extending from the first surface 121 in a direction away from the first diaphragm 41, preferably, the first surface 121 is closer to the first surface than the third surface 131
  • a diaphragm 41; preferably, the convex portion 122 is provided at the middle of the short side 12; preferably, the convex portion 122 is away from the first diaphragm 41 from the first surface 121
  • the direction extends to be flush with the third surface 131.
  • the short axis side 312 abuts on the first surface 121.
  • the short axis side 312 includes a second surface 3121 facing the short side 12 and a direction away from the short side 12 from the second surface 3121
  • the recessed portion 3122 is formed by the recess.
  • the protrusion 122 is received in the recessed portion 3122 and fixedly connected thereto.
  • the convex portion 122 and the avoiding portion 3122 are welded and fixed by laser spot welding.
  • the convex portion 122 and the avoiding portion 3122 can also be fixed by other methods, such as adhesive bonding and fixing .
  • the fixing method of the corner portion 13 and the clamping plate 31 is consistent with the fixing method of the protruding portion 122 and the escape portion 3122.
  • the recessed depth of the avoiding portion 3122 is equal to the thickness of the convex portion 122, wherein the thickness refers to the surface of the convex portion 122 facing the basin frame 1 and the convex portion 122 facing the clamping plate 31 The distance between surfaces.
  • the sound-generating device provided by the present invention adds a protruding protruding portion in the middle of the short side of the basin frame, and at the same time, a relief portion matching the protruding portion is provided on the splint.
  • the corner part and the convex part are respectively fixed with the splint, such a structure can ensure that the short side of the metal basin frame is prevented from being deformed and warped after the drop test.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

本发明提供一种发声器件，包括金属盆架和安装于所述盆架的磁路系统和振动系统，所述振动系统包括第一振膜，所述磁路系统包括夹板，所述夹板包括一对长轴边和一对短轴边，所述盆架包括两个长边、两个短边以及连接相邻的所述长边和所述短边的拐角部，所述短边包括背离所述第一振膜的第一表面，所述短轴边抵接于所述第一表面，所述短轴边包括朝向所述短边的第二表面，所述拐角部包括背离所述第一振膜的第三表面，所述盆架还包括自所述第一表面向远离所述第一振膜方向延伸设置的凸起部，所述夹板还包括自所述第二表面向远离所述短边方向凹陷形成的避让部，所述凸起部收容于所述避让部内并与其固定连接。本发明提供的发声器件结构更加牢固。

Description

发声器件 技术领域
本发明涉电子设备技术领域，尤其涉及一种发声器件。
 背景技术
随着无线通讯的快速发展，全球移动电话越来越多，人们对移动电话的要求不仅仅限于基本通话，更要求对传统移动电话的可靠性提出更多要求，例如抗摔、抗震要求。
相关技术中的发声器件对金属盆架只是做了Z向定位，点焊位置仅盆架的拐角部，这样的结构导致发声器件在跌落实验后盆架短轴中间处易发生变形和翘曲。
因此，有必要提供一种新的发声器件来解决上述问题。
 技术问题
本发明的目的是克服上述技术问题，提供一种结构更加牢固的发声器件。
 技术解决方案
为了实现上述目的，本发明提供一种发声器件，包括金属盆架和安装于所述盆架的磁路系统和振动系统，所述振动系统包括固设于所述盆架一端的第一振膜，所述磁路系统包括固设于所述盆架内侧的夹板，所述夹板包括一对相对设置的长轴边和一对相对设置的短轴边，所述长轴边和短轴边首尾相接围成所述夹板，所述盆架包括相对设置的两个长边、相对设置的两个短边以及连接相邻的所述长边和所述短边的拐角部，所述短边包括背离所述第一振膜的第一表面，所述短轴边抵接于所述第一表面，所述短轴边包括朝向所述短边的第二表面，所述拐角部包括背离所述第一振膜的第三表面，所述第一表面相较于所述第三表面更靠近所述第一振膜，所述盆架还包括自所述第一表面向远离所述第一振膜方向延伸设置的凸起部，所述夹板还包括自所述第二表面向远离所述短边方向凹陷形成的避让部，所述凸起部收容于所述避让部内并与其固定连接。
优选的，所述凸起部设于所述短边的中部位置。
优选的，所述凸起部与所述避让部通过激光焊接固定。
优选的，所述拐角部与所述夹板通过激光焊接固定。
优选的，所述凸起部自所述第一表面向远离所述第一振膜方向延伸至与所述第三表面齐平。
优选的，所述避让部的凹陷深度与所述凸起部的厚度相等。
优选的，所述磁路系统还包括磁轭、组配于所述磁轭中央处的主磁钢、贴附于所述主磁钢表面的主极芯、组配于所述磁轭并位于所述主磁钢两侧的两个副磁钢，两所述长轴边分别贴附于两所述副磁钢表面。
优选的，所述振动系统还包括位于所述第一振膜下方驱动所述第一振膜振动发声的音圈、固设于所述盆架另一端的第二振膜及弹性支撑所述音圈并与所述音圈电连接的柔性电路板，所述柔性电路板夹设于所述音圈与所述第二振膜之间。
 有益效果
与相关技术相比，本发明提供的发声器件在盆架的短边中间增加一个凸出设置的凸起部，同时夹板上设置与凸起部相配合的避让部，通过激光焊接将盆架的拐角部和凸起部分别与夹板固定，这样的结构能够保证在跌落实验后避免金属盆架短边出现变形和翘曲的情况。
 附图说明
为了更清楚地说明本发明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发明的一些实施例，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为本发明提供的发声器件的结构图；
图2为本发明提供的发声器件的分解图；
图3为本发明提供的发声器件的剖视图；
图4为本发明提供的夹板结图；
图5为本发明提供的第一振膜、盆架与夹板的组配图；
图6为图5中A处的局部放大图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明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发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，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，都属于本发明保护的范围。
请结合参阅图1、图2和图3，本发明提供一种发声器件100，包括金属盆架1与安装于所述盆架1的磁路系统3和振动系统4。
所述盆架1整体呈中空的矩形，所述盆架1包括相对设置的两个长边11、相对设置的两个短边11以及连接相邻的所述长边11和所述短边12的拐角部13。
所述磁路系统3包括装配于所述盆架1的夹板31、磁轭32、组配于所述磁轭32中央处的主磁钢33、贴附于所述主磁钢33表面的主极芯331、组配于所述磁轭32并位于所述主磁钢33两侧的两个副磁钢34所述主磁钢33整体为长方形结构，所述副磁钢34设置于所述主磁钢 33两侧并与所述主磁钢33之间形成磁间隙。
所述主极芯331用于为所述主磁钢33导磁，减少磁力线外流，有效提高所述磁路系统3的驱动力。
请结合参阅图2和图4，所述夹板31呈环状矩形，包括一对相对设置的长轴边311和一对相对设置的短轴边312，所述长轴边311和短轴312边首尾相接围成所述夹板31。
优选的，两所述长轴边311分别贴附于两所述副磁钢34表面，这样的结构让所述发声器件100的结构更加简单。
所述振动系统4包括固定于所述盆架1一端的第一振膜41、固设于所述盆架1另一端的第二振膜42、位于所述第一振膜41下方驱动所述第一振膜41振动发声的音圈43及弹性支撑所述音圈43并与所述音圈43电连接的柔性电路板44。
所述第二振膜42一端固定于所述盆架1，另一端固定于所述音圈43远离所述第一振膜41的一端，所述第二振膜42有效防止了所述第一振膜41振动时所述音圈43产生的横向摆动，有效提高了所述发声器件100的稳定性，同时所述第二振膜42还提高了所述振动系统2的振动强度，改善发声性能。
所述柔性电路板44与所述音圈43电连接，所述柔性电路板44夹设于所述音圈43与所述第二振膜42之间，具体的，所述柔性电路板44一端固定于所述盆架1，另一端固定支撑于所述音圈43远离所述第一振膜41的一端，该结构设置可进一步提高所述第一振膜41的振动强度，改善所述发声器件100的发声响度。
请结合参阅图2、图5和图6，所述拐角部13包括背离所述第一振膜41的第三表面131，所述短边12包括背离所述第一振膜41的第一表面121和自所述第一表面121向远离所述第一振膜41方向延伸设置的凸起部122，优选的，所述第一表面121相较于所述第三表面131更靠近所述第一振膜41；优选的，所述凸起部122设于所述短边12的中部位置；优选的，所述凸起部122自所述第一表面121向远离所述第一振膜41方向延伸至与所述第三表面131齐平。
所述短轴边312抵接于所述第一表面121，所述短轴边312包括朝向所述短边12的第二表面3121和自所述第二表面3121向远离所述短边12方向凹陷形成的避让部3122，所述凸起部122收容于所述避让部3122内并与其固定连接。
优选的，所述凸起部122与所述避让部3122通过激光点焊方式焊接固定，当然，所述凸起部122与所述避让部3122还可以采用其他方式固定，比如通过胶水粘合固定。
优选的，所述拐角部13与所述夹板31的固定方式与所述凸起部122和所述避让部3122的固定方式一致。
所述避让部3122的凹陷深度与所述凸起部122的厚度相等，其中厚度是指所述凸起部122朝向所述盆架1的表面与所述凸起部122朝向所述夹板31的表面之间的距离。
与相关技术相比，本发明提供的发声器件在盆架的短边中间增加一个凸出设置的凸起部，同时夹板上设置与凸起部相配合的避让部，通过激光焊接将盆架的拐角部和凸起部分别与夹板固定，这样的结构能够保证在跌落实验后避免金属盆架短边出现变形和翘曲的情况。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (8)

  1. 一种发声器件，包括金属盆架和安装于所述盆架的磁路系统和振动系统，所述振动系统包括固设于所述盆架一端的第一振膜，所述磁路系统包括固设于所述盆架内侧的夹板，所述夹板包括一对相对设置的长轴边和一对相对设置的短轴边，所述长轴边和短轴边首尾相接围成所述夹板，所述盆架包括相对设置的两个长边、相对设置的两个短边以及连接相邻的所述长边和所述短边的拐角部，所述短边包括背离所述第一振膜的第一表面，所述短轴边抵接于所述第一表面，所述短轴边包括朝向所述短边的第二表面，所述拐角部包括背离所述第一振膜的第三表面，所述第一表面相较于所述第三表面更靠近所述第一振膜，其特征在于，所述盆架还包括自所述第一表面向远离所述第一振膜方向延伸设置的凸起部，所述夹板还包括自所述第二表面向远离所述短边方向凹陷形成的避让部，所述凸起部收容于所述避让部内并与其固定连接。
  2. 根据权利要求1所述的发声器件，其特征在于，所述凸起部设于所述短边的中部位置。
  3. 根据权利要求2所述的发声器件，其特征在于，所述凸起部与所述避让部通过激光焊接固定。
  4. 根据权利要求2所述的发声器件，其特征在于，所述拐角部与所述夹板通过激光焊接固定。
  5. 根据权利要求1所述的发声器件，其特征在于，所述凸起部自所述第一表面向远离所述第一振膜方向延伸至与所述第三表面齐平。
  6. 根据权利要求1所述的发声器件，其特征在于，所述避让部的凹陷深度与所述凸起部的厚度相等。
  7. 根据权利要求1所述的发声器件，其特征在于，所述磁路系统还包括磁轭、组配于所述磁轭中央处的主磁钢、贴附于所述主磁钢表面的主极芯、组配于所述磁轭并位于所述主磁钢两侧的两个副磁钢，两所述长轴边分别贴附于两所述副磁钢表面。
  8. 根据权利要求1所述的发声器件，其特征在于，所述振动系统还包括位于所述第一振膜下方驱动所述第一振膜振动发声的音圈、固设于所述盆架另一端的第二振膜及弹性支撑所述音圈并与所述音圈电连接的柔性电路板，所述柔性电路板夹设于所述音圈与所述第二振膜之间。
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