WO2022006930A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2022006930A1
WO2022006930A1 PCT/CN2020/102052 CN2020102052W WO2022006930A1 WO 2022006930 A1 WO2022006930 A1 WO 2022006930A1 CN 2020102052 W CN2020102052 W CN 2020102052W WO 2022006930 A1 WO2022006930 A1 WO 2022006930A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
flexible circuit
fixed
frame
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/CN2020/102052
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English (en)
French (fr)
Inventor
冯国袖
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 WO2022006930A1 publication Critical patent/WO2022006930A1/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of 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
    • 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present application relates to the field of sound-to-electricity conversion, and in particular to a loudspeaker.
  • the loudspeaker will provide a uniform magnetic field through the magnetic steel, so that the voice coil with alternating current vibrates in the uniform magnetic field, the voice coil drives the skeleton, and then drives the diaphragm to vibrate to make the loudspeaker produce sound.
  • a loudspeaker in the prior art, includes a basin frame, a vibration system fixed on the basin frame, and a magnetic circuit system.
  • the vibration system includes a diaphragm fixed on the basin frame, a voice coil that drives the diaphragm to produce sound, and an electrical connection.
  • the voice coil is connected to a flexible circuit board for external electrical signals.
  • the flexible circuit board is provided with a single pad connected with an external electrical signal
  • the diaphragm includes a folded ring
  • the folded ring is provided with a fixing portion extending to the outer periphery, and the fixing portion is arranged corresponding to the single pad.
  • There is a support part and the support part is arranged close to the inner side surface of the basin frame.
  • the underside of the single pad is all injection-molded silicone.
  • the FPC of the BOX and the single FPC are welded together, there is no support under the single pad, which is prone to soldering problems, resulting in open circuit of the finished product.
  • the silicone under the body pad is also prone to burns.
  • the purpose of the present application is to provide a loudspeaker to solve the above problems.
  • a loudspeaker comprising a basin frame, a vibration system and a magnetic circuit system fixed on the basin frame, the vibration system including an upper diaphragm fixed on the basin frame, driving the upper vibration A voice coil that emits sound from a membrane and a flexible circuit board that electrically connects the voice coil and external electrical signals
  • the flexible circuit board includes a first fixing arm fixed to the end of the basin frame away from the upper diaphragm, the first fixing arm The side of the fixed arm away from the voice coil is provided with a first pad
  • the upper diaphragm includes a dome located in the middle position and a fold ring surrounding the dome
  • the fold ring includes a fixed ring with the basin frame a fixing part
  • the upper diaphragm includes a first supporting part and a second supporting part extending from the surface of the fixing part facing the basin frame to the flexible circuit board and spaced apart from each other
  • the basin frame includes a first supporting part and a second supporting part facing the The inner side of
  • the first support portion and the second support portion form a support structure
  • the pot frame is in the shape of a rectangular ring
  • the pot frame includes two oppositely arranged long-axis sides and two short-axis sides connecting the two long-axis sides
  • the shaft side, the connection between the long shaft side and the short shaft side forms a circular arc portion, and the circular arc portion is installed in the support structure.
  • the fixing portion includes a first fixing portion extending horizontally outward from the folding ring and a second fixing portion being bent and extending from the first fixing portion toward the flexible circuit board.
  • the first support portion is extended from the first fixing portion
  • the second support portion is extended from the second fixing portion
  • the flexible circuit board further includes a second fixing arm spaced from the first fixing arm and an elastic arm connecting the first fixing arm and the second fixing arm, and the elastic arm includes the same structure.
  • the elastic arm includes a first U-shaped arm and a second U-shaped arm connecting the first fixed arm and the second fixed arm.
  • the first pads include two, and the two first pads are respectively located at opposite ends of the long axis of the first fixed arm.
  • the second fixing arm includes a main body and a second pad that is bent and extended from the longitudinal ends of the main body toward the skeleton.
  • the voice coil is in the shape of a rectangular ring, the voice coil includes two oppositely arranged long axis sides and two short axis sides connecting the two long axis sides, the flexible circuit board is provided with two, two The flexible circuit boards are respectively arranged on the two short axis sides.
  • the magnetic circuit system includes a secondary magnetic steel assembly fixedly connected to the basin frame and provided with a second opening in the middle, a main magnetic steel located in the second opening, and a pole core attached to the upper surface of the main magnetic steel, so A magnetic gap is formed between the main magnetic steel and the auxiliary magnetic steel assembly, and the voice coil is at least partially arranged in the magnetic gap.
  • the vibration system further includes a frame fixed to the flexible circuit board and supporting the upper diaphragm and a lower diaphragm located under the flexible circuit board.
  • a speaker which includes a basin frame, a vibration system and a magnetic circuit system fixed on the basin frame
  • the vibration system includes an upper diaphragm fixed on the basin frame, which drives the A voice coil for the upper diaphragm to emit sound and a flexible circuit board for electrically connecting the voice coil and external electrical signals
  • the flexible circuit board includes a first fixing arm fixed to the end of the basin frame away from the upper diaphragm
  • the The side of the first fixed arm away from the voice coil is provided with a first pad
  • the upper diaphragm includes a dome located in the middle position and a fold ring surrounding the dome
  • the fold ring includes and the basin frame A fixed fixing portion
  • the upper diaphragm includes a first support portion and a second support portion that extend from the surface of the fixing portion toward the basin frame to the flexible circuit board and are spaced apart from each other
  • the basin frame includes Facing the inner side of the voice coil and the outer side opposite to the inner side, the first
  • the arc part of the basin frame can support the first pad, which is beneficial to the silicone injection molding of the first and second supporting parts, and avoids the scalding of the silicone and the open circuit problem.
  • FIG. 1 is a schematic diagram of a three-dimensional assembly of a speaker of the application
  • Fig. 2 is the structural representation that separates the whole after combining the upper diaphragm and the skeleton in Fig. 1;
  • FIG. 3 is a schematic exploded view of the structure of the speaker of the application.
  • FIG. 5 is a schematic structural diagram of the combination of the upper diaphragm and the skeleton in the application;
  • FIG. 6 is a schematic three-dimensional cross-sectional view taken along line A-A of FIG. 1 .
  • the present application provides a speaker 100 , which includes a basin frame 20 , a vibration system 30 fixed to the basin frame 20 , and a magnetic circuit system 40 .
  • the magnetic circuit system 40 is used to drive the vibration system 30 to vibrate and sound.
  • the basin frame 20 is a hollow rectangle as a whole.
  • the basin frame 20 includes two oppositely arranged long-axis sides and two short-axis sides connecting the two long-axis sides. The connection between the long-axis sides and the short-axis sides is formed. Arc portion 21 .
  • the vibration system 30 includes an upper diaphragm 31 fixed to the basin frame 20 , a voice coil 32 located below the upper diaphragm 31 to drive the upper diaphragm 31 to emit sound, and electrically connecting the voice coil 32 to an external electrical device.
  • the flexible circuit board 33 for signals, the frame 34 fixed on the flexible circuit board 33 and supporting the upper diaphragm 31 , and the lower diaphragm 35 disposed under the flexible circuit board 33 and connected to the flexible circuit board 33 .
  • the flexible circuit board 33 includes two and is located on opposite sides of the short axis of the basin frame 20 respectively, and includes a first fixing arm 331 fixed to one end of the basin frame 20 away from the upper diaphragm 31 , A second fixed arm 332 spaced from the first fixed arm 331 and an elastic arm 333 connected to the first fixed arm 331 and the second fixed arm 332 .
  • the first fixed arm 331 is provided with a first pad 3311 connected to an external electrical signal, and the first pad 3311 is located at a distance of the first fixed arm 331 away from the voice coil At one end of 32 , the projection of the first pad 3311 along the vibration direction at least partially overlaps the projection of the basin frame 20 along the vibration direction.
  • the first pads 3311 include two, and the two first pads 3311 are respectively located at opposite ends of the long axis of the first fixing arm 331 .
  • the second fixing arm 332 includes a main body portion 3321 , a bending portion 3322 that is bent and extended from the longitudinal ends of the main body portion 3321 toward the frame 34 , and a bending portion 3322 disposed at the end of the bending portion 3322 and connected to the frame 34 .
  • the elastic arms 333 include a pair of identical structures and mirror images of each other, and the elastic arms 333 include a first U-shaped arm 3331 and a second U-shaped arm that connect the first fixed arm 331 and the second fixed arm 332 . 3332.
  • the flexible circuit board 33 has a symmetrical structure, and its middle line is a line of symmetry.
  • the upper diaphragm 31 includes a dome 311 located in the middle and a folding ring 312 surrounding the dome 311 .
  • the folding ring 312 includes a fixing portion 3121 that is fixed to the basin frame 20 , and the upper diaphragm 31 further includes a surface extending from the fixing portion 3121 toward the basin frame 20 toward the flexible circuit board 33 and mutually
  • the first support portion 313 and the second support portion 314 are spaced apart.
  • the basin frame 20 includes an inner side surface facing the voice coil 32 and an outer side surface opposite to the inner side surface.
  • the first support portion 313 is attached to the inner side.
  • the second support portion 314 is arranged to fit the inner side surface, and the second support portion 314 is arranged to fit the outer side surface.
  • the projection of the first pad 3311 along the vibration direction at least partially overlaps the projection of the basin frame 20 along the vibration direction.
  • the first support portion 313 and the second support portion 314 form a support structure
  • the circular arc portion 21 of the basin frame 20 is installed in the support structure, that is, clamped by the first support portion 313 and the second support portion 314 .
  • the circular arc portion 21 of the basin frame 20 can support the first pad 3311, which is beneficial for the first and second supporting parts 313 and 314. Silicone injection molding to avoid silicone burns and open circuit problems.
  • the fixing portion 3121 includes a first fixing portion 31211 extending horizontally outward from the folding ring 312 and a second fixing portion 31212 being bent and extending from the first fixing portion 31211 toward the flexible circuit board 33, so as to further increase the 20 contact area with the pot holder.
  • the first support portion 313 is extended from the first fixing portion 31211
  • the second support portion 314 is extended from the second fixing portion 31212 .
  • the voice coil 32 is in the shape of a rectangular ring, and the voice coil 32 includes two oppositely disposed long-axis sides and two short-axis sides connecting the two long-axis sides.
  • the frame 34 includes a support table 342 with a first opening 341 and a side wall 343 extending from the end of the support table 342 toward the flexible circuit board 33 .
  • the side walls 343 include two corresponding to the flexible circuit board 33 .
  • the main body 3321 of the second fixing arm 332 is fixed to the side wall 343 of the frame 34 , the bent portion 3322 of the second fixing arm 332 extends toward the support base 342 of the frame 34 , and the second welding
  • the disk 3323 is connected to the support table 342 of the frame 34 . Further, the dome 311 is pressed against the upper edge of the first opening 341 of the support table 342 , and the voice coil 32 is pressed against the lower periphery of the first opening 341 of the support table 342 .
  • the magnetic circuit system 40 includes a secondary magnetic steel assembly 41 fixedly connected to the basin frame 20 and provided with a second opening 411 in the middle, a main magnetic steel 42 located in the second opening 411 , and a main magnetic steel 42 attached to the upper surface of the main magnetic steel 42 .
  • a magnetic gap is formed between the main magnetic steel 42 and the secondary magnetic steel assembly 41, and the voice coil 32 is at least partially disposed in the magnetic gap.
  • the secondary magnetic steel components 41 can be integrally formed to surround the main magnetic steel 42
  • the main magnetic steel 42 can be surrounded by four groups of secondary magnetic steel components 41 at intervals, or the main magnetic steel components 41 can be surrounded by two groups of secondary magnetic steel components 41 at intervals.
  • Magnet assembly 42 In this embodiment, the secondary magnet steel assembly 41 is set as two upper and lower secondary magnet steel assemblies 41 .

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

Abstract

本申请提供了一种扬声器，包括盆架、固定于盆架的振动系统及磁路系统，振动系统包括上振膜、驱动上振膜发声的音圈以及电连接音圈与外部电信号的柔性线路板，柔性线路板包括具有第一焊盘的第一固定臂，上振膜设有折环，折环包括与盆架固定的固定部，上振膜包括自固定部朝向盆架的表面向柔性电路板延伸且相互间隔设置的第一支撑部和第二支撑部，盆架包括朝向音圈的内侧面和与内侧面相对设置的外侧面，第一支撑部贴合内侧面设置，第二支撑部贴合外侧面设置，第一焊盘沿振动方向的投影与盆架沿振动方向的投影至少部分重叠。本申请通过改进上振膜与盆架接触处的结构，有利于第一、第二支撑部的硅胶注塑，避免硅胶烫伤及断路问题。

Description

扬声器 技术领域
本申请涉及声电转换领域，具体涉及一种扬声器。
 背景技术
随着科技的发展，越来越多的电子设备都内置有发声器件。一般的，扬声器会通过磁钢提供匀强磁场，使通有交变电流的音圈在匀强磁场中振动，音圈驱动骨架，进而带动振膜振动而使扬声器产生声音。
现在技术中，扬声器包括盆架、固定于所述盆架的振动系统及磁路系统，所述振动系统包括固定于所述盆架的振膜、驱动所述振膜发声的音圈以及电连接所述音圈与外部电信号的柔性线路板。所述柔性线路板设有与外部电信号连接的单体焊盘，所述振膜包括折环，所述折环设有向外周缘延伸的固定部，所述固定部对应单体焊盘设有支撑部，所述支撑部紧靠所述盆架内侧面设置。所述单体焊盘下方全是注塑的硅胶，在将BOX的FPC和单体FPC焊接在一起的时候，所述单体焊盘下方没有支撑，容易出现虚焊问题，导致成品断路，而且单体焊盘下方的硅胶也容易烫伤。
因此，有必要提供一种新的扬声器。
 技术问题
本申请的目的在于提供一种扬声器，以解决上述问题。
 技术解决方案
本申请的技术方案如下：一种扬声器，包括盆架、固定于所述盆架的振动系统及磁路系统，所述振动系统包括固定于所述盆架的上振膜、驱动所述上振膜发声的音圈以及电连接所述音圈与外部电信号的柔性线路板，所述柔性线路板包括固定于所述盆架远离所述上振膜一端的第一固定臂，所述第一固定臂远离所述音圈一侧设有第一焊盘，所述上振膜包括位于中间位置的球顶和环绕所述球顶的折环，所述折环包括与所述盆架固定的固定部，所述上振膜包括自所述固定部朝向所述盆架的表面向所述柔性电路板延伸且相互间隔设置的第一支撑部和第二支撑部，所述盆架包括朝向所述音圈的内侧面和与所述内侧面相对设置的外侧面，所述第一支撑部贴合所述内侧面设置，所述第二支撑部贴合所述外侧面设置，所述第一焊盘沿振动方向的投影与所述盆架沿振动方向的投影至少部分重叠。
优选的，所述第一支撑部和第二支撑部组成支撑结构，所述盆架呈矩形环状，所述盆架包括两相对设置的长轴边及连接两所述长轴边的两短轴边，所述长轴边与短轴边连接处形成圆弧部，所述圆弧部安装于支撑结构中。
优选的，所述固定部包括由折环向外水平延伸的第一固定部和由第一固定部朝向所述柔性电路板弯折延伸的第二固定部。
优选的，所述第一支撑部由第一固定部延伸设置，所述第二支撑部由第二固定部延伸设置。
优选的，所述柔性线路板还包括与所述第一固定臂间隔设置的第二固定臂和连接所述第一固定臂和所述第二固定臂的弹力臂，所述弹力臂包括结构相同且互为镜像对称的一对，所述弹力臂包括连接所述第一固定臂和第二固定臂的第一U型臂和第二U型臂。
优选的，所述第一焊盘包括两个，两个所述第一焊盘分别位于所述第一固定臂长轴的相对两端。
优选的，所述第二固定臂包括主体部及自主体部纵长两端朝向骨架弯折延伸的第二焊盘。
优选的，所述音圈呈矩形环状，所述音圈包括两相对设置的长轴边及连接两所述长轴边的两短轴边，所述柔性线路板设有两个，两所述柔性线路板分别对应设于两所述短轴边。
优选的，所述磁路系统包括与盆架固定连接且中间设有第二开口的副磁钢组件、位于第二开口中的主磁钢以及贴附于主磁钢上表面的极芯，所述主磁钢与所述副磁钢组件之间形成磁间隙，所述音圈至少部分设于所述磁间隙中。
优选的，所述振动系统还包括固定于所述柔性线路板并支撑所述上振膜的骨架以及位于所述柔性线路板下方的下振膜。
 有益效果
本申请的有益效果在于：提供了一种扬声器，包括盆架、固定于所述盆架的振动系统及磁路系统，所述振动系统包括固定于所述盆架的上振膜、驱动所述上振膜发声的音圈以及电连接所述音圈与外部电信号的柔性线路板，所述柔性线路板包括固定于所述盆架远离所述上振膜一端的第一固定臂，所述第一固定臂远离所述音圈一侧设有第一焊盘，所述上振膜包括位于中间位置的球顶和环绕所述球顶的折环，所述折环包括与所述盆架固定的固定部，所述上振膜包括自所述固定部朝向所述盆架的表面向所述柔性电路板延伸且相互间隔设置的第一支撑部和第二支撑部，所述盆架包括朝向所述音圈的内侧面和与所述内侧面相对设置的外侧面，所述第一支撑部贴合所述内侧面设置，所述第二支撑部贴合所述外侧面设置，所述第一焊盘沿振动方向的投影与所述盆架沿振动方向的投影至少部分重叠。本申请通过改进振膜与盆架接触处的结构，可以让盆架的圆弧部支撑起所述第一焊盘，并有利于第一、第二支撑部的硅胶注塑，避免硅胶烫伤以及断路问题。
 附图说明
图1为本申请扬声器的立体组合示意图；
图2为图1中将上振膜与骨架组合后分离整体的结构示意图；
图3为本申请扬声器的结构分解示意图；
图4为本申请中柔性线路板的结构示意图；
图5为本申请中上振膜与骨架组合后的结构示意图；
图6为图1沿A-A线的立体剖视示意图。
 本发明的实施方式
下面结合附图和实施方式对本申请作进一步说明。
需要说明的是，本申请实施例中所有方向性指示（诸如上、下、左、右、前、后、内、外、顶部、底部……）仅用于解释在某一特定姿态（如附图所示）下各部件之间的相对位置关系等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。
还需要说明的是，当元件被称为“固定于”或“设置于”另一个元件上时，该元件可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为“连接”另一个元件，它可以是直接连接另一个元件或者可能同时存在居中元件。
以下请参阅图1至图6，本申请提供了一种扬声器100，包括盆架20、固定于所述盆架20的振动系统30及磁路系统40。所述磁路系统40用于驱动所述振动系统30振动发声。
所述盆架20整体呈中空的矩形，所述盆架20包括两相对设置的长轴边及连接两所述长轴边的两短轴边，所述长轴边与短轴边连接处形成圆弧部21。
所述振动系统30包括固定于所述盆架20的上振膜31、位于所述上振膜31下方驱动所述上振膜31发声的音圈32、电连接所述音圈32与外部电信号的柔性线路板33、固定于所述柔性线路板33上并支撑上振膜31的骨架34以及设于柔性线路板33下方并与柔性线路板33连接的下振膜35。
其中，所述柔性线路板33包括两个且分别位于所述盆架20的短轴相对两侧，其包括固定于所述盆架20远离所述上振膜31一端的第一固定臂331、与所述第一固定臂331间隔设置的第二固定臂332以及连接所述第一固定臂331和所述第二固定臂332的弹力臂333。
在一个可选实施例中，所述第一固定臂331设有与外部电信号连接的第一焊盘3311，所述第一焊盘3311位于所述第一固定臂331的远离所述音圈32的一端，所述第一焊盘3311沿振动方向的投影与所述盆架20沿振动方向的投影至少部分重叠。可选的，所述第一焊盘3311包括两个，两个所述第一焊盘3311分别位于所述第一固定臂331长轴的相对两端。
在一个可选实施例中，所述第二固定臂332包括主体部3321、自主体部3321纵长两端朝向骨架34弯折延伸的弯折部3322以及设于弯折部3322端部并与骨架34连接的第二焊盘3323。
所述弹力臂333包括结构相同且互为镜像对称的一对，所述弹力臂333包括连接所述第一固定臂331和第二固定臂332的第一U型臂3331和第二U型臂3332。本实施例中，所述柔性线路板33为对称结构，以其中间线为对称线。
其中，所述上振膜31包括位于中间位置的球顶311和环绕所述球顶311的折环312。所述折环312包括与所述盆架20固定的固定部3121，所述上振膜31还包括自所述固定部3121朝向所述盆架20的表面向所述柔性电路板33延伸且相互间隔设置的第一支撑部313和第二支撑部314，所述盆架20包括朝向所述音圈32的内侧面和与所述内侧面相对设置的外侧面，所述第一支撑部313贴合所述内侧面设置，所述第二支撑部314贴合所述外侧面设置。所述第一焊盘3311沿振动方向的投影与所述盆架20沿振动方向的投影至少部分重叠。
具体的，所述第一支撑部313和第二支撑部314组成支撑结构，所述盆架20的圆弧部21安装于所述支撑结构中，即被夹持在所述第一支撑部313和第二支撑部314之间。本申请通过改进振膜31与盆架20接触处的结构，可以让盆架20的圆弧部21支撑起所述第一焊盘3311，并有利于第一、第二支撑部313、314的硅胶注塑，避免硅胶烫伤以及断路问题。
具体的，所述固定部3121包括由折环312向外水平延伸的第一固定部31211和由第一固定部31211朝向所述柔性电路板33弯折延伸的第二固定部31212，以进一步增加与盆架的20的接触面积。所述第一支撑部313由第一固定部31211延伸设置，所述第二支撑部314由第二固定部31212延伸设置。
其中，所述音圈32呈矩形环状，所述音圈32包括两相对设置的长轴边及连接两所述长轴边的两短轴边。
其中，所述骨架34包括具有第一开口341的支撑台342以及自支撑台342的端部朝向柔性线路板33延伸的侧壁343，侧壁343包括与柔性线路板33对应设置的两个。所述第二固定臂332的主体部3321固定于所述骨架34的侧壁343，所述第二固定臂332的弯折部3322朝向所述骨架34的支撑台342延伸，所述第二焊盘3323连接于所述骨架34的支撑台342。进一步的，所述球顶311抵住所述支撑台342的第一开口341的上周缘，所述音圈32抵住所述支撑台342的第一开口341的下周缘。
其中，所述下振膜35为两个，分设于两个柔性线路板33的下方并与柔性线路板33远离骨架34的一侧接触。
所述磁路系统40包括与盆架20固定连接且中间设有第二开口411的副磁钢组件41、位于第二开口411中的主磁钢42以及贴附于主磁钢42上表面的极芯43，所述主磁钢42与所述副磁钢组件41之间形成磁间隙，所述音圈32至少部分设于所述磁间隙中。可选的，副磁钢组件41可以一体成型环绕主磁钢42，也可以为4组副磁钢组件41间隔围设主磁钢42，也可以为2组副磁钢组件41间隔围设主磁钢组件42。在本实施例中，副磁钢组件41设为上下两个副磁钢41。
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。

Claims (10)

1. 一种扬声器，包括盆架、固定于所述盆架的振动系统及磁路系统，所述振动系统包括固定于所述盆架的上振膜、驱动所述上振膜发声的音圈以及电连接所述音圈与外部电信号的柔性线路板，所述柔性线路板包括固定于所述盆架远离所述上振膜一端的第一固定臂，所述第一固定臂远离所述音圈一侧设有第一焊盘，其特征在于，所述上振膜包括位于中间位置的球顶和环绕所述球顶的折环，所述折环包括与所述盆架固定的固定部，所述上振膜包括自所述固定部朝向所述盆架的表面向所述柔性电路板延伸且相互间隔设置的第一支撑部和第二支撑部，所述盆架包括朝向所述音圈的内侧面和与所述内侧面相对设置的外侧面，所述第一支撑部贴合所述内侧面设置，所述第二支撑部贴合所述外侧面设置，所述第一焊盘沿振动方向的投影与所述盆架沿振动方向的投影至少部分重叠。
2. 根据权利要求1所述扬声器，其特征在于，所述第一支撑部和第二支撑部组成支撑结构，所述盆架呈矩形环状，所述盆架包括两相对设置的长轴边及连接两所述长轴边的两短轴边，所述长轴边与短轴边连接处形成圆弧部，所述圆弧部安装于支撑结构中。
3. 根据权利要求1所述扬声器，其特征在于，所述固定部包括由折环向外水平延伸的第一固定部和由第一固定部朝向所述柔性电路板弯折延伸的第二固定部。
4. 根据权利要求3所述扬声器，其特征在于，所述第一支撑部由第一固定部延伸设置，所述第二支撑部由第二固定部延伸设置。
5. 根据权利要求1所述的扬声器，其特征在于，所述柔性线路板还包括与所述第一固定臂间隔设置的第二固定臂和连接所述第一固定臂和所述第二固定臂的弹力臂，所述弹力臂包括结构相同且互为镜像对称的一对，所述弹力臂包括连接所述第一固定臂和第二固定臂的第一U型臂和第二U型臂。
6. 根据权利要求5所述的扬声器，其特征在于，所述第一焊盘包括两个，两个所述第一焊盘分别位于所述第一固定臂长轴的相对两端。
7. 根据权利要求6所述的扬声器，其特征在于，所述第二固定臂包括主体部及自主体部纵长两端朝向骨架弯折延伸的的第二焊盘。
8. 根据权利要求1所述的扬声器，其特征在于，所述音圈呈矩形环状，所述音圈包括两相对设置的长轴边及连接两所述长轴边的两短轴边，所述柔性线路板设有两个，两所述柔性线路板分别对应设于两所述短轴边。
9. 根据权利要求1所述的扬声器，其特征在于，所述磁路系统包括与盆架固定连接且中间设有第二开口的副磁钢组件、位于第二开口中的主磁钢以及贴附于主磁钢上表面的极芯，所述主磁钢与所述副磁钢组件之间形成磁间隙，所述音圈至少部分设于所述磁间隙中。
10. 根据权利要求1所述的扬声器，其特征在于，所述振动系统还包括固定于所述柔性线路板并支撑所述上振膜的骨架以及位于所述柔性线路板下方的下振膜。
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