WO2022006929A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2022006929A1
WO2022006929A1 PCT/CN2020/102051 CN2020102051W WO2022006929A1 WO 2022006929 A1 WO2022006929 A1 WO 2022006929A1 CN 2020102051 W CN2020102051 W CN 2020102051W WO 2022006929 A1 WO2022006929 A1 WO 2022006929A1
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WO
WIPO (PCT)
Prior art keywords
fixed
circuit board
support
flexible circuit
voice coil
Prior art date
Application number
PCT/CN2020/102051
Other languages
English (en)
French (fr)
Inventor
冯国袖
吴树文
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
Publication of WO2022006929A1 publication Critical patent/WO2022006929A1/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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • 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

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, and the diaphragm is located under the diaphragm to drive the diaphragm to produce sound.
  • the voice coil and the flexible circuit board fixed on the basin frame. Due to the limited internal space of the speaker, the flexible circuit board is basically bent at 90 degrees vertically. However, because the flexible circuit board itself is very tough, it is not only difficult to bend, but also easily warps and rebounds after bending, which affects the performance of the speaker. performance and assembly.
  • 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, a flexible circuit board that electrically connects the voice coil and external electrical signals, and a skeleton that is fixed to the flexible circuit board and supports the upper diaphragm
  • the flexible circuit board includes a frame fixed to the basin frame A first fixed arm at one end away from the upper diaphragm and a second fixed arm spaced from the first fixed arm
  • the skeleton includes a support table fixed on the upper diaphragm and a self-supporting table away from the upper diaphragm
  • the direction of the diaphragm extends to the side wall fixed with the second fixing arm, the side wall is spaced from the side of the voice coil close to the basin frame
  • the flexible circuit board includes a side wall fixed on the side wall.
  • the main body part and the main body part are bent and extended toward the frame support platform to a bending part electrically connected with the voice coil, the bending part is located between the side wall and the voice coil, and the flexible circuit board further includes a sticker A support member disposed on the side of the second fixed arm close to the upper diaphragm, the support member includes a first support portion attached to the main body portion and a first support portion that is bent and formed at the same time as the bending portion.
  • Two supporting parts, the second supporting part is bent and extended from the main body part toward the supporting table and attached to the bending part.
  • the flexible circuit board further includes a second pad that is bent and extended from one end of the bent portion away from the main body portion toward the direction close to the voice coil, and the second pad is attached to the support
  • the second pad is provided with a soldering station electrically connected to the voice coil.
  • the upper vibrating membrane includes a dome located in the middle and a fold ring surrounding the dome and fixed to the basin frame, and the support table includes a first fixing portion fixed to the dome and a ring connected to the dome. In the second fixing portion fixed by the fold, the side wall is bent and extended from the second fixing portion.
  • the magnetic circuit system includes a magnetic yoke, a main magnetic steel fixed to the magnetic yoke, and a secondary magnetic steel disposed on the peripheral side of the main magnetic steel, and the main magnetic steel and the secondary magnetic steel are spaced apart from each other.
  • a magnetic gap; the skeleton includes a convex wall bent and extended from the first fixing portion in a direction away from the dome, and the voice coil is suspended in the magnetic gap through the convex wall.
  • the first fixing portion is formed concavely from the support base toward the magnetic circuit system.
  • the support member is an aluminum material with a thickness of 0.055 cm to 0.095 cm.
  • the upper diaphragm further includes a first support portion and a second support portion that extend from the surface of the fixing portion toward the basin frame toward the flexible circuit board and are spaced apart from each other, and the basin frame includes For the inner side surface of the voice coil and the outer side surface disposed opposite to the inner side surface, the first support portion is arranged in contact with the inner side surface, and the second support portion is arranged in contact with the outer side surface.
  • 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 extension portion extending horizontally outward from the fold and a second extension portion bent and extending from the first extension portion toward the flexible circuit board, and the first support portion is formed by the first extension portion.
  • the fixing part is extended, and the second supporting part is extended from the second fixing part.
  • the flexible circuit board further includes an elastic arm connecting the first fixed arm and the second fixed arm, the elastic arm includes a pair of identical structures and mirror images of each other, and the elastic arm includes a connection The first U-shaped arm and the second U-shaped arm of the first fixed arm and the second fixed arm.
  • the present application provides a loudspeaker, including a basin frame, a vibration system and a magnetic circuit system fixed on the basin frame, and the vibration system includes an upper diaphragm fixed on the basin frame, a drive The voice coil from which the upper diaphragm emits sound, the flexible circuit board that electrically connects the voice coil and external electrical signals, and the skeleton that is fixed to the flexible circuit board and supports the upper diaphragm, the flexible circuit board includes a The first fixed arm at one end of the basin frame away from the upper diaphragm and the second fixed arm spaced apart from the first fixed arm, the frame includes a support table fixed on the diaphragm and a support table away from the support table.
  • the direction of the diaphragm extends to the side wall fixed with the second fixing arm, the side wall is spaced on the side of the voice coil close to the basin frame, and the flexible circuit board includes a side wall fixed on the side.
  • the main body part of the wall and the main body part are bent and extended toward the frame support platform to the bending part electrically connected with the voice coil, the bending part is located between the side wall and the voice coil, and the flexible circuit board also It includes a support member attached to the side of the second fixed arm close to the diaphragm, and the support member includes a first support part attached to the main body part and a bending part that is bent and formed at the same time as the bending part.
  • a second support portion is bent and extended from the main body portion toward the support table and attached to the bent portion.
  • the flexible circuit board can be bent into any shape by adding a support member at the bending position, and the flexible circuit board will not spring back and has high stability and consistency.
  • 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. 6 is a schematic three-dimensional cross-sectional view taken along line AA 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 upper diaphragm 31 includes a dome 311 located in the middle and a folding ring 312 surrounding the dome 311 .
  • the folded ring 312 includes an extension portion 3121 fixed to the basin frame 20
  • the upper diaphragm 31 further includes an extension portion 3121 that extends toward the surface of 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.
  • 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 extension portion 3121 includes a first extension portion 31211 extending horizontally outward from the folding ring 312 and a second extension portion 31212 bent and extending from the first extension portion 31211 toward the flexible circuit board 33 to further increase the 20 contact area with the pot holder.
  • the first support portion 313 is extended from the first extension portion 31211
  • the second support portion 314 is extended from the second extension 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 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 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 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 frame 34 includes a support table 341 fixed on the upper diaphragm 31 and a side wall 342 extending from the support table 341 away from the upper diaphragm 31 to a side wall 342 fixed with the second fixing arm 332 .
  • the side walls 342 are arranged at intervals on the side of the voice coil 32 close to the basin frame 20 , and the side walls 342 include two corresponding to the flexible circuit boards 33 .
  • the support table 341 includes a first fixing portion 3411 fixed with the dome 311 and a second fixing portion 3412 fixed with the folding ring 312 , and the side wall 342 is connected from the second fixing portion 3412 Bending and extending, the first fixing portion 3411 is recessed from the support base 341 toward the magnetic circuit system 40 .
  • the flexible circuit board 33 further includes a main body portion 334 fixed to the side wall 342 , and the main body portion 334 is bent and extended toward the support platform 341 of the frame 34 to connect with the voice coil.
  • 32 is an electrically connected bending portion 335 and a second pad 336 that is bent and extended from one end of the bending portion 335 away from the main body portion 334 toward the voice coil 32 .
  • the bending portion 335 is located between the side wall 342 and the voice coil 32
  • the second pad 336 is attached to the support table 341
  • the second pad 336 is provided with the A soldering station to which the voice coil 32 is electrically connected.
  • the flexible circuit board 33 further includes a support member 337 attached to the side of the second fixing arm 332 close to the upper diaphragm 31 , and the support member 337 includes a first support attached to the main body portion 334 . part 3371 and a second supporting part 3372 formed by bending and forming at the same time as the bending part 335 . Folding portion 335.
  • the support is made of aluminum with a thickness of 0.055 cm to 0.095 cm, and preferably, the support is made of aluminum with a thickness of 0.075 cm.
  • the flexible circuit board can be bent into any shape by adding a support member at the bending position, and the flexible circuit board will not spring back and has high stability and consistency.
  • only one of the flexible circuit boards 33 is provided with a second pad 336, and the second pad 336 is connected to the voice coil 32 through a connecting wire, so as to realize the electrical connection between the voice coil 32 and external electrical signals.
  • the magnetic circuit system 40 includes a secondary magnetic steel 41 fixedly connected to the basin frame 20 and provided with an opening 411 in the middle, a main magnetic steel 42 located in the opening 411, and a pole core 43 attached to the upper surface of the main magnetic steel 42.
  • a magnetic gap is formed between the main magnetic steel 42 and the auxiliary magnetic steel 41 , and the frame 34 further includes a convex wall 343 that is bent and extended from the first fixing portion 3411 to the direction away from the dome 311 .
  • the voice coil 32 is suspended in the magnetic gap by the convex wall 343 .
  • the magnetic circuit system 40 further includes a magnetic yoke 44 for being close to the bottom of the secondary magnetic steel 41 to cover the entire opening 411 , and the main magnetic steel 42 is provided on the magnetic yoke 44 .
  • the secondary magnetic steel 41 can be integrally formed to surround the main magnetic steel 42 , the main magnetic steel 42 can also be surrounded by four groups of secondary magnetic steels 41 at intervals, or the main magnetic steel 42 can be surrounded by two groups of secondary magnetic steels 41 at intervals.
  • the secondary magnetic steel 41 is set as two upper and lower secondary magnetic steels 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，振动系统包括固定于盆架的上振膜、驱动上振膜发声的音圈、电连接音圈与外部电信号的柔性线路板以及固定于柔性线路板并支撑上振膜的骨架。柔性线路板包括间隔设置的第一固定臂和第二固定臂；骨架包括支撑台及自支撑台底部朝向第二固定臂延伸的侧壁，柔性线路板包括固定于骨架侧壁的主体部及自主体部朝向骨架支撑台弯折延伸的弯折部，所述柔性线路板还包括贴设于所述第二固定臂靠近所述振膜一侧的支撑件。本申请通过在柔性线路板折弯处增加支撑件，以将柔性线路板折弯成任意形状，且不会回弹，具有很高的稳定性和一致性。

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、位于所述振膜下方驱动所述振膜发声的音圈以及固定于所述盆架上的柔性线路板。由于扬声器内部空间有限，柔性线路板基本都是垂直90度折弯，但是，由于柔性线路板本身韧性很大，不仅不好折弯，而且折弯后，很容易起翘回弹，影响扬声器的性能和装配。
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、电连接所述音圈与外部电信号的柔性线路板以及固定于所述柔性线路板并支撑所述上振膜的骨架，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与所述第一固定臂间隔设置的第二固定臂，所述骨架包括固定于所述上振膜的支撑台及自支撑台向远离所述上振膜方向延伸至与所述第二固定臂固定的侧壁，所述侧壁间隔设于所述音圈靠近所述盆架的一侧，所述柔性电路板包括固定于所述侧壁的主体部及自主体部朝向骨架支撑台弯折延伸至与所述音圈电连接的弯折部，所述弯折部位于所述侧壁与音圈之间，所述柔性线路板还包括贴设于所述第二固定臂靠近所述上振膜一侧的支撑件，所述支撑件包括贴设于所述主体部的第一支撑部和与所述弯折部同时弯折成型的第二支撑部，所述第二支撑部自所述主体部朝向所述支撑台弯折延伸并贴设于所述弯折部。
优选的，所述柔性电路板还包括自所述弯折部远离所述主体部一端向靠近所述音圈方向弯折延伸的第二焊盘，所述第二焊盘贴设于所述支撑台，所述第二焊盘上设有与所述音圈电连接的焊台。
优选的，所述上振膜包括位于中间位置的球顶和环绕所述球顶并固定于所述盆架的折环，所述支撑台包括与所述球顶固定的第一固定部以及与所述折环固定的第二固定部，所述侧壁自所述第二固定部弯折延伸。
优选的，所述磁路系统包括磁轭、固定于所述磁轭的主磁钢以及设于所述主磁钢周侧的副磁钢，所述主磁钢与所述副磁钢间隔形成磁间隙；所述骨架包括自所述第一固定部向远离所述球顶方向弯折延伸的凸壁，所述音圈通过所述凸壁悬置于所述磁间隙。
优选的，所述第一固定部自所述支撑台向所述磁路系统方向凹陷形成。
优选的，所述支撑件采用0.055 cm至0.095 cm厚度的铝材。
优选的，所述上振膜还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。
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，所述圆弧部安装于所述支撑结构中。
优选的，所述固定部包括由折环向外水平延伸的第一延伸部和由第一延伸部朝向所述柔性电路板弯折延伸的第二延伸部，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。
 有益效果
本申请的有益效果在于：本申请提供了一种扬声器，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、电连接所述音圈与外部电信号的柔性线路板以及固定于所述柔性线路板并支撑所述上振膜的骨架，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与所述第一固定臂间隔设置的第二固定臂，所述骨架包括固定于所述振膜的支撑台及自支撑台向远离所述振膜方向延伸至与所述第二固定臂固定的侧壁，所述侧壁间隔设于所述音圈靠近所述盆架的一侧，所述柔性电路板包括固定于所述侧壁的主体部及自主体部朝向骨架支撑台弯折延伸至与所述音圈电连接的弯折部，所述弯折部位于所述侧壁与音圈之间，所述柔性线路板还包括贴设于所述第二固定臂靠近所述振膜一侧的支撑件，所述支撑件包括贴设于所述主体部的第一支撑部和与所述弯折部同时弯折成型的第二支撑部，所述第二支撑部自所述主体部朝向所述支撑台弯折延伸并贴设于所述弯折部。本申请通过在柔性线路板折弯处增加支撑件，以便将柔性线路板折弯成任意形状，且不会回弹，具有很高的稳定性和一致性。
 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为本申请的柔性线路板与支撑件结合的结构示意图；
[根据细则91更正 07.08.2020]　
[根据细则91更正 07.08.2020]　
图5为本申请的上振膜与骨架组合后的结构示意图；
[根据细则91更正 07.08.2020]　
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固定的延伸部3121，所述上振膜31还包括自所述延伸部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。
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。
具体的，所述延伸部3121包括由折环312向外水平延伸的第一延伸部31211和由第一延伸部31211朝向所述柔性电路板33弯折延伸的第二延伸部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由第一延伸部31211延伸设置，所述第二支撑部314由第二延伸部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。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。
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。
其中，所述骨架34包括固定于所述上振膜31的支撑台341及自支撑台341向远离所述上振膜31方向延伸至与所述第二固定臂332固定的侧壁342。所述侧壁342间隔设于所述音圈32靠近所述盆架20的一侧，侧壁342包括与柔性线路板33对应设置的两个。进一步的，所述支撑台341包括与所述球顶311固定的第一固定部3411以及与所述折环312固定的第二固定部3412，所述侧壁342自所述第二固定部3412弯折延伸，所述第一固定部3411自所述支撑台341向所述磁路系统40方向凹陷形成。
进一步的，在一个可选实施例中，所述柔性电路板33还包括固定于所述侧壁342的主体部334、自主体部334朝向骨架34支撑台341弯折延伸至与所述音圈32电连接的弯折部335以及自所述弯折部335远离所述主体部334一端向靠近所述音圈32方向弯折延伸的第二焊盘336。其中，所述弯折部335位于所述侧壁342与音圈32之间，所述第二焊盘336贴设于所述支撑台341，所述第二焊盘336上设有与所述音圈32电连接的焊台。所述柔性线路板33还包括贴设于所述第二固定臂332靠近所述上振膜31一侧的支撑件337，所述支撑件337包括贴设于所述主体部334的第一支撑部3371和与所述弯折部335同时弯折成型的第二支撑部3372，所述第二支撑部3372自所述主体部334朝向所述支撑台341弯折延伸并贴设于所述弯折部335。所述支撑件采用0.055 cm至0.095 cm厚度的铝材，优选的，所述支撑件采用0.075 cm厚度的铝材。本申请通过在柔性线路板折弯处增加支撑件，以便将柔性线路板折弯成任意形状，且不会回弹，具有很高的稳定性和一致性。本实施例中，只有其中一个柔性线路板33设有第二焊盘336，所述第二焊盘336通过设置连接线与音圈32连接，以实现音圈32与外部电信号电连接。
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开口411的副磁钢41、位于开口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41之间形成磁间隙，所述骨架34还包括自所述第一固定部3411向远离所述球顶311方向弯折延伸的凸壁343，所述音圈32通过所述凸壁343悬置于所述磁间隙中。进一步的，所述磁路系统40还包括磁轭44用于紧贴副磁钢41下方，用于遮住整个开口411，所述主磁钢42设于磁轭44上。可选的，副磁钢41可以一体成型环绕主磁钢42，也可以为4组副磁钢41间隔围设主磁钢42，也可以为2组副磁钢41间隔围设主磁钢42。在本实施例中，副磁钢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、电连接所述音圈与外部电信号的柔性线路板以及固定于所述柔性线路板并支撑所述上振膜的骨架，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与所述第一固定臂间隔设置的第二固定臂，所述骨架包括固定于所述上振膜的支撑台及自支撑台向远离所述上振膜方向延伸至与所述第二固定臂固定的侧壁，所述侧壁间隔设于所述音圈靠近所述盆架的一侧，所述柔性电路板包括固定于所述侧壁的主体部及自主体部朝向骨架支撑台弯折延伸至与所述音圈电连接的弯折部，所述弯折部位于所述侧壁与音圈之间，其特征在于，所述柔性线路板还包括贴设于所述第二固定臂靠近所述上振膜一侧的支撑件，所述支撑件包括贴设于所述主体部的第一支撑部和与所述弯折部同时弯折成型的第二支撑部，所述第二支撑部自所述主体部朝向所述支撑台弯折延伸并贴设于所述弯折部。
2. 根据权利要求1所述的扬声器，其特征在于，所述柔性电路板还包括自所述弯折部远离所述主体部一端向靠近所述音圈方向弯折延伸的第二焊盘，所述第二焊盘贴设于所述支撑台，所述第二焊盘上设有与所述音圈电连接的焊台。
3. 根据权利要求1所述的扬声器，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并固定于所述盆架的折环，所述支撑台包括与所述球顶固定的第一固定部以及与所述折环固定的第二固定部，所述侧壁自所述第二固定部弯折延伸。
4. 根据权利要求3所述的扬声器，其特征在于，所述磁路系统包括磁轭、固定于所述磁轭的主磁钢以及设于所述主磁钢周侧的副磁钢，所述主磁钢与所述副磁钢间隔形成磁间隙；所述骨架包括自所述第一固定部向远离所述球顶方向弯折延伸的凸壁，所述音圈通过所述凸壁悬置于所述磁间隙。
5. 根据权利要求1所述的扬声器，其特征在于，所述第一固定部自所述支撑台向所述磁路系统方向凹陷形成。
6.根据权利要求1所述的扬声器，其特征在于，所述支撑件采用0.055 cm至0.095 cm厚度的铝材。
7.根据权利要求3所述的扬声器，其特征在于，所述上振膜还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。
8.根据权利要求7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，所述圆弧部安装于所述支撑结构中。
9.根据权利要求8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延伸部和由第一延伸部朝向所述柔性电路板弯折延伸的第二延伸部，所述第一支撑部由第一延伸部延伸设置，所述第二支撑部由第二延伸部延伸设置。
10.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。
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