WO2022000632A1 - 柔性电路板和扬声器 - Google Patents

柔性电路板和扬声器 Download PDF

Info

Publication number
WO2022000632A1
WO2022000632A1 PCT/CN2020/103801 CN2020103801W WO2022000632A1 WO 2022000632 A1 WO2022000632 A1 WO 2022000632A1 CN 2020103801 W CN2020103801 W CN 2020103801W WO 2022000632 A1 WO2022000632 A1 WO 2022000632A1
Authority
WO
WIPO (PCT)
Prior art keywords
circuit board
flexible circuit
mounting portion
loudspeaker
reinforcing
Prior art date
Application number
PCT/CN2020/103801
Other languages
English (en)
French (fr)
Inventor
宋威
金鑫
陶伟伟
张帆
Original Assignee
瑞声声学科技(深圳)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 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022000632A1 publication Critical patent/WO2022000632A1/zh

Links

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
    • H04R9/06—Loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • 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
    • H04R9/025—Magnetic circuit

Definitions

  • the present application relates to the technical field of loudspeakers, and in particular to a flexible circuit board and 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.
  • the skeleton is used as a supporting structure, and its bottom is connected with a flexible circuit board (FPC). Due to the narrow width of the connecting surface at the bottom of the skeleton, the bonding strength is weak, and the skeleton is prone to shift during assembly and vibration and sound production. The connection between the FPC and the skeleton is loose, resulting in an unstable structure of the speaker, which affects the stability of the speaker performance.
  • FPC flexible circuit board
  • the purpose of the present application is to provide a flexible circuit board and a loudspeaker.
  • a reinforcing portion on the flexible circuit board, the bonding strength between the flexible circuit board and the skeleton is strengthened, and the stability of the performance of the loudspeaker is ensured.
  • the reinforcing portion includes a first reinforcing portion and a second reinforcing portion respectively disposed at both ends of the first mounting portion, and a first reinforcing portion and a second reinforcing portion disposed between the first reinforcing portion and the second reinforcing portion
  • the third reinforcement part, the first reinforcement part and the second reinforcement part are symmetrically arranged.
  • the first mounting portion further includes a welding portion extending along a side of the support portion away from the reinforcing portion.
  • the elastic arms include a pair of identical structures and mirror images of each other, the elastic arms include a first fixed end connected to the first mounting portion, a first fixed end extending from the first fixed end a connecting arm, a second fixing end connected with the second mounting part, a second connecting arm extending from the second fixing end, and a connecting part connecting the first connecting arm and the second connecting arm.
  • both the first connecting arm and the second connecting arm are arranged in parallel.
  • the flexible circuit board has a symmetrical structure, and the axis of symmetry of the flexible circuit board is the axis of symmetry of the two connecting parts.
  • the flexible circuit boards are in a pair, and each of the flexible circuit boards is disposed in the direction of the short axis of the speaker.
  • the vibration system further includes a vibrating membrane and a voice coil abutting on the side of the frame away from the flexible circuit board, and the voice coil is electrically connected to the welding portion of the flexible circuit board.
  • the vibrating membrane includes an upper vibrating membrane connected to the frame and the basin frame on a side away from the flexible circuit board, and a lower vibrating membrane connected to the flexible circuit board, the lower vibrating membrane being connected to
  • the upper diaphragms are arranged at intervals along the vibration direction.
  • the center of the frame is provided with an opening to give way
  • the upper diaphragm includes a dome connected to the periphery of the opening and an upper sound membrane that is sleeved outside the dome at intervals, and the upper sound membrane connecting the pot frame and the frame,
  • the gluing area between the skeleton and the flexible circuit board is increased, thereby effectively strengthening the skeleton and the flexible circuit board.
  • the bonding strength between the flexible circuit boards improves the stability of the speaker structure and prolongs the service life of the speaker during assembly and vibration sound production.
  • FIG. 1 is a schematic structural diagram of a flexible circuit board according to an embodiment of the present application
  • Fig. 3 is a partial exploded view of the loudspeaker in Fig. 2;
  • FIG. 5 is a cross-sectional view of the loudspeaker in FIG. 2 taken along the direction A-A.
  • flexible circuit board 100 flexible circuit board 100; first installation part 110; support part 111; reinforcement part 112; first reinforcement part 1121; second reinforcement part 1122; third reinforcement part 1123; welding part 113;
  • Two mounting parts 120 elastic arm 130; first fixed end 131; first connecting arm 132; second fixed end 133; second connecting arm 134; connecting part 135; first gluing surface M; second gluing surface N; symmetry Shaft a;
  • Speaker 200 Basin frame 1; Magnetic circuit system 2; Main magnet steel assembly 21; Secondary magnet steel assembly 22; Lower splint 23; Vibration system 3; wall 322; give way opening 323; upper diaphragm 33; upper diaphragm 331; dome 332; lower diaphragm 34.
  • the reinforcement part 112 includes a first reinforcement part 111 and a second reinforcement part 112 respectively disposed at both ends of the first installation part 110 and a reinforcement part 112 between the first reinforcement part 1121 and the second reinforcement part 1122.
  • the third reinforcement portion 1123 .
  • the first reinforcement portion 1121 and the second reinforcement portion 1122 are symmetrically disposed with respect to the symmetry axis a
  • the third reinforcement portion 1123 is an axisymmetric structure with respect to the symmetry axis a.
  • the reinforcing part 112 includes a first reinforcing part 1121 , a third reinforcing part 1123 and a second reinforcing part 1122 which are arranged on the first mounting part 110 in sequence and at intervals.
  • the reinforcing portion 112 may also be a continuous reinforcing structure provided on the first mounting portion 110 .
  • a reinforcing portion 112 is provided on the supporting portion 111 of the first mounting portion 110 , and a second adhesive surface connected to the first adhesive surface M of the supporting portion 111 is provided on the reinforcing portion 112 .
  • N increase the bonding area of the frame 1 and the flexible circuit board 100, thereby effectively enhancing the bonding strength between the frame 1 and the flexible circuit board 100, and improve the structural stability of the speaker 200 in the process of assembling and vibrating and sounding, prolonging the length of the speaker 200 service life.
  • a welding portion 113 is provided on the side of the support portion 111 away from the reinforcing portion 112 .
  • the welding portion 113 is a welding table extending away from the reinforcing portion 112 from the supporting portion 111 .
  • the elastic arms 130 include a pair with the same structure and mirror symmetry with respect to the symmetry axis a.
  • a first connecting arm 132 extending from the first fixing end 131, a second fixing end 133 connecting with the second mounting portion 120, a second connecting arm 134 extending from the second fixing end 133, and connecting the first connecting arm 132,
  • the two connecting portions 135 of the pair of elastic arms 130 are arranged at a distance from each other.
  • the first connecting arm 132 and the second connecting arm 134 are arranged in parallel.
  • the flexible circuit board 100 has a symmetrical structure, and the axis of symmetry is located at the axis of symmetry a at the interval between the two opposite connection parts 135 .
  • the speaker 200 includes a basin frame 1 , a magnetic circuit system 2 and a vibration system 3 accommodated in the basin frame 1 , and the magnetic circuit system 2 drives the vibration system.
  • the vibration system 3 includes the aforementioned flexible circuit board 100 and the frame 32 connected to the first mounting part 110 of the flexible circuit board 100 , and the second mounting part 120 of the flexible circuit board 100 is connected to the basin frame 1 .
  • the frame 32 is connected to the first glued surface M and the second glued surface N of the first installation portion 110 by gluing, respectively.
  • the flexible circuit boards 100 are a pair, and one flexible circuit board 100 is provided on each of the short axis directions of the speakers 200 .
  • the frame 32 includes a support table 321 with an opening 323 for letting go, and a side wall 322 extending from the bottom of the support table 321 toward the flexible circuit board 100 , and the side wall 322 includes two corresponding to the flexible circuit board 100 .
  • the side walls 322 are respectively connected with the first glued surface M and the second glued surface N by gluing.
  • the vibration system 3 further includes a vibrating membrane and a voice coil 31 abutting on the side of the support table 321 close to the flexible circuit board 100 , and the voice coil 31 drives the vibrating membrane to vibrate to speak.
  • the voice coil 31 includes a lead wire 311 , and the lead wire 311 is welded to the welding portion 113 of the first mounting portion 110 .
  • the diaphragm includes an upper diaphragm 33 connected to the side of the basin frame 1 away from the flexible circuit board 100 and the support table 321 , and a lower diaphragm 33 connected to the flexible circuit board 100 .
  • diaphragm the upper vibrating membrane 33 or the lower vibrating membrane may be a complete sound membrane, or may be a combination of the sound membrane and the dome.
  • the upper diaphragm 33 includes a dome 332 connected to the periphery of the opening 323 and an upper sound film 331 sleeved outside the dome 332 at intervals. The upper sound film 331 is connected to the basin frame 1 and the support table. 321 between.
  • the magnetic circuit system 2 includes a lower clamping plate 23 , a main magnetic steel assembly 21 and a secondary magnetic steel assembly 22 arranged on the lower clamping plate 23 .
  • the auxiliary magnetic steel assembly 22 is disposed around the main magnetic steel assembly 21 , a magnetic gap is formed between the main magnetic steel assembly 21 and the auxiliary magnetic steel assembly 22 , and the voice coil 31 is arranged in the magnetic gap.
  • the secondary magnetic steel assembly 22 can be integrally formed to surround the main magnetic steel assembly 21 , the main magnetic steel assembly 21 can be spaced around four sets of the auxiliary magnetic steel assembly 22 , or the two sets of auxiliary magnetic steel assemblies 22 can be spaced around the main magnetic steel assembly 21 .
  • a main magnet steel assembly 21 is provided.
  • the secondary magnetic steel assembly 22 is integrally formed.

Landscapes

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

Abstract

本申请提供了一种柔性电路板和扬声器，所述柔性电路板包括第一安装部、与所述第一安装部间隔设置的第二安装部、连接所述第一安装部和所述第二安装部的弹力臂，所述第一安装部包括支撑部、沿所述支撑部靠近所述第二安装部一侧向远离所述支撑部延伸的补强部，所述支撑部设有朝向所述补强部的第一胶合面，所述补强部设有背向所述第二安装部的第二胶合面，所述第一胶合面与所述第二胶合面邻接。通过在第一安装部的支撑部上设置补强部，补强部上设置与支撑部的第一胶合面相连的第二胶合面，增加骨架和柔性电路板的胶合面积，进而增强骨架和柔性电路板之间的胶合强度，在组装和振动过程中，提升了扬声器结构的稳定性，延长了扬声器的使用寿命。

Description

柔性电路板和扬声器 技术领域
本申请涉及扬声器技术领域，具体涉及一种柔性电路板和扬声器。
 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。
现有技术中，骨架作为支撑结构，其底部与柔性电路板（FPC）连接，由于骨架底部连接面宽度较窄，使得粘接强度弱，在装配和振动发声过程中，容易出现骨架偏移，FPC和骨架之间的连接松动，导致扬声器的结构不牢固，影响扬声器性能的稳定性。
因此，有必要提供一种新的柔性电路板和扬声器。
 技术问题
本申请的目的在于提供一种柔性电路板和扬声器，通过在柔性电路板上设置补强部，加强柔性电路板和骨架之间的胶合强度，保证了扬声器性能的稳定性。
 技术解决方案
本申请的技术方案如下： 一种柔性电路板，所述柔性电路板包括第一安装部、与所述第一安装部间隔设置的第二安装部、连接所述第一安装部和所述第二安装部的弹力臂，所述第一安装部包括支撑部、沿所述支撑部靠近所述第二安装部一侧向远离所述支撑部延伸的补强部，所述支撑部设有朝向所述补强部的第一胶合面，所述补强部设有背向所述第二安装部的第二胶合面，所述第一胶合面与所述第二胶合面邻接。
优选的，所述补强部包括分设于所述第一安装部两端的第一补强部和第二补强部以及设于所述第一补强部和所述第二补强部之间的第三补强部，所述第一补强部和所述第二补强部对称设置。
优选的，所述第一安装部还包括沿所述支撑部远离所述补强部一侧延伸出来的焊接部。
优选的，所述弹力臂包括结构相同且互为镜像对称的一对，所述弹力臂包括与所述第一安装部连接的第一固定端、自所述第一固定端延伸出来的第一连接臂、与所述第二安装部连接的第二固定端、自所述第二固定端延伸出来的第二连接臂以及连接所述第一连接臂和所述第二连接臂的连接部。
优选的，所述第一连接臂与所述第二连接臂均平行设置。
优选的，所述柔性电路板为对称结构，所述柔性电路板的对称轴为两个所述连接部的对称轴。
本申请还提供了一种扬声器，所述扬声器包括盆架以及收容于所述盆架内的磁路系统和振动系统，所述振动系统包括如以上所述柔性电路板以及与所述柔性电路板的第一胶合面和第二胶合面胶合相连的骨架，所述柔性电路板的第二安装部与所述盆架固接。
优选的，所述柔性电路板为一对，所述扬声器的短轴方向上各设置一个所述柔性电路板。
优选的，所述振动系统还包括振膜以及与所述骨架远离所述柔性电路板一侧抵接的音圈，所述音圈与所述柔性电路板的焊接部电连接。
优选的，所述振膜包括与远离所述柔性电路板一侧的所述骨架和所述盆架相连的上振膜以及与所述柔性电路板相连的下振膜，所述下振膜与所述上振膜沿振动方向间隔设置。
优选的，所述骨架中央开设有让位开口，所述上振膜包括与所述让位开口周缘相连的球顶和间隔套设于所述球顶外的上音膜，所述上音膜连接所述盆架和所述骨架，
所述下振膜包括与所述柔性电路板对应设置的一对下音膜，所述下音膜与所述柔性电路板远离所述上振膜一侧抵接。
优选的，所述磁路系统包括下夹板、设于所述下夹板上的主磁钢组件和副磁钢组件，所述副磁钢组件环绕所述主磁钢组件设置，所述主磁钢组件与所述副磁钢组件之间形成磁间隙，所述音圈设于所述磁间隙中。
 有益效果
本申请的有益效果在于：本申请提供了一种柔性电路板和扬声器，所述柔性电路板包括第一安装部、与所述第一安装部间隔设置的第二安装部、连接所述第一安装部和所述第二安装部的弹力臂，所述第一安装部包括支撑部、沿所述支撑部靠近所述第二安装部一侧向远离所述支撑部延伸的补强部，所述支撑部设有朝向所述补强部的第一胶合面，所述补强部设有背向所述第二安装部的第二胶合面，所述第一胶合面与所述第二胶合面邻接。通过在第一安装部的支撑部上设置补强部，补强部上设置与支撑部的第一胶合面相连的第二胶合面，增加骨架和柔性电路板的胶合面积，进而有效增强骨架和柔性电路板之间的胶合强度，在组装和振动发声过程中，提升了扬声器结构的稳定性，延长了扬声器的使用寿命。
 附图说明
图1为本申请实施例柔性电路板的结构示意图；
图2为本申请实施例扬声器的结构示意图；
图3为图2中扬声器的局部分解图；
图4为图2中扬声器的分解图；
图5为图2中扬声器的沿A-A向剖视图。
附图说明：柔性电路板100；第一安装部110；支撑部111；补强部112；第一补强部1121；第二补强部1122；第三补强部1123；焊接部113；第二安装部120；弹力臂130；第一固定端131；第一连接臂132；第二固定端133；第二连接臂134；连接部135；第一胶合面M；第二胶合面N；对称轴a；扬声器200；盆架1；磁路系统2；主磁钢组件21；副磁钢组件22；下夹板23；振动系统3；音圈31；引线311；骨架32；支撑台321；侧壁322；让位开口323；上振膜33；上音膜331；球顶332；下音膜34。
 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。
请参阅图1，本申请提供了一种柔性电路板100，柔性电路板100包括第一安装部110、与第一安装部110间隔设置的第二安装部120及连接第一安装部110与第二安装部120的弹力臂130。第一安装部110包括支撑部111和自支撑部111靠近第二安装部120一侧朝向远离支撑部111方向延伸的补强部112，支撑部111设有朝向所述补强部112的第一胶合面M，补强部112上设有背向所述第二安装部120的第二胶合面N，第一胶合面M与第二胶合面N邻接。可选的，补强部112包括分设于第一安装部110两端的第一补强部111和第二补强部112以及设于第一补强部1121和第二补强部1122之间的第三补强部1123。第一补强部1121和第二补强部1122相对于对称轴a对称设置，第三补强部1123是相对于对称轴a的轴对称结构。在本发明实施例中，补强部112包括依次间隔设置在第一安装部110上的第一补强部1121、第三补强部1123和第二补强部1122，在实际应用中，补强部112也可以为设于第一安装部110上的一个连续的补强结构。
本申请实施例的柔性电路板100，通过在第一安装部110的支撑部111上设置补强部112，补强部112上设置与支撑部111的第一胶合面M相连的第二胶合面N，增加骨架1和柔性电路板100的胶合面积，进而有效增强骨架1和柔性电路板100之间的胶合强度，在组装和振动发声过程中，提升了扬声器200结构的稳定性，延长了扬声器200的使用寿命。
在一个可选的实施例中，支撑部111远离补强部112的一侧设有焊接部113。可选的，焊接部113为自支撑部111朝向远离补强部112方向延伸的焊接台。
在一个可选的实施例中，弹力臂130包括结构相同且相对于对称轴a互为镜像对称的一对，各弹力臂130均包括与第一安装部110连接的第一固定端131、自第一固定端131延伸出来的第一连接臂132、与第二安装部120连接的第二固定端133、自第二固定端133延伸出来的第二连接臂134及连接第一连接臂132、第二连接臂134的连接部135，一对弹力臂130的两个连接部135相对间隔设置。可选的，第一连接臂132与第二连接臂134平行设置。柔性电路板100为对称结构，对称轴位于两个相对连接部135之间的间隔处的对称轴a。
请参阅图1、2和图5，本申请还提供了一种扬声器200，扬声器200包括盆架1以及收容于盆架1内的磁路系统2和振动系统3，磁路系统2驱动振动系统3振动，振动系统3包括前文记载的柔性电路板100和与柔性电路板100的第一安装部110相连的骨架32，柔性电路板100的第二安装部120与盆架1相连。骨架32分别和第一安装部110上的第一胶合面M和第二胶合面N胶合相连。在一个可选的实施方式中，柔性电路板100为一对，扬声器200的短轴方向上各设置一个柔性电路板100。在本实施例中，骨架32包括具有让位开口323的支撑台321以及自支撑台321的底部朝向柔性电路板100延伸的侧壁322，侧壁322包括与柔性电路板100对应设置的两个，侧壁322分别与第一胶合面M和第二胶合面N胶合相连。
在一个可选的实施例中，请参阅图1和图5，振动系统3还包括振膜以及与支撑台321靠近柔性电路板100一侧抵接的音圈31，音圈31驱动振膜振动以发声。音圈31包括引线311，引线311焊接于第一安装部110的焊接部113上。
在一个可选的实施例中，请参阅图2-图5，振膜包括与盆架1远离柔性电路板100一侧和支撑台321相连的上振膜33和与柔性电路板100相连的下振膜。可选的，上振膜33或者下振膜可以为一个完整的音膜，也可以为音膜和球顶配合。在本实施例中，上振膜33包括与让位开口323的周缘相连的球顶332和间隔套设于球顶332外的上音膜331，上音膜331连接在盆架1和支撑台321之间。下振膜包括与柔性电路板100对应设置的一对下音膜34，下音膜34与柔性电路板100远离上振膜33一侧抵接。
在一个可选的实施例中，请参阅图3-图5，磁路系统2包括下夹板23、设于下夹板23上的主磁钢组件21和副磁钢组件22。副磁钢组件22环绕主磁钢组件21设置，主磁钢组件21与副磁钢组件22之间形成磁间隙，音圈31设于磁间隙中。可选的，副磁钢组件22可以一体成型环绕主磁钢组件21，也可以为4组副磁钢组件22间隔围设主磁钢组件21，也可以为2组副磁钢组件22间隔围设主磁钢组件21。在本实施例中，副磁钢组件22为一体成型设置。
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 (12)

1. 一种柔性电路板，其特征在于，所述柔性电路板包括第一安装部、与所述第一安装部间隔设置的第二安装部、连接所述第一安装部和所述第二安装部的弹力臂，所述第一安装部包括支撑部、沿所述支撑部靠近所述第二安装部一侧向远离所述支撑部延伸的补强部，所述支撑部设有朝向所述补强部的第一胶合面，所述补强部设有背向所述第二安装部的第二胶合面，所述第一胶合面与所述第二胶合面邻接。
2. 根据权利要求1所述柔性电路板，其特征在于，所述补强部包括分设于所述第一安装部两端的第一补强部和第二补强部以及设于所述第一补强部和所述第二补强部之间的第三补强部，所述第一补强部和所述第二补强部对称设置。
3. 根据权利要求2所述柔性电路板，其特征在于，所述第一安装部还包括沿所述支撑部远离所述补强部一侧延伸出来的焊接部。
4. 根据权利要求3所述柔性电路板，其特征在于，所述弹力臂包括结构相同且互为镜像对称的一对，所述弹力臂包括与所述第一安装部连接的第一固定端、自所述第一固定端延伸出来的第一连接臂、与所述第二安装部连接的第二固定端、自所述第二固定端延伸出来的第二连接臂以及连接所述第一连接臂和所述第二连接臂的连接部。
5. 根据权利要求4所述柔性电路板，其特征在于，所述第一连接臂与所述第二连接臂均平行设置。
6. 根据权利要求4所述柔性电路板，其特征在于，所述柔性电路板为对称结构，所述柔性电路板的对称轴为两个所述连接部的对称轴。
7. 一种扬声器，其特征在于，所述扬声器包括盆架以及收容于所述盆架内的磁路系统和振动系统，所述振动系统包括如权利要求1-6中任一项所述柔性电路板以及与所述柔性电路板的第一胶合面和第二胶合面胶合相连的骨架，所述柔性电路板的第二安装部与所述盆架固接。
8. 根据权利要求7所述的扬声器，其特征在于，所述柔性电路板为一对，所述扬声器的短轴方向上各设置一个所述柔性电路板。
9. 根据权利要求8所述的扬声器，其特征在于，所述振动系统还包括振膜以及与所述骨架远离所述柔性电路板一侧抵接的音圈，所述音圈与所述柔性电路板的焊接部电连接。
10. 根据权利要求9所述的扬声器，其特征在于，所述振膜包括与远离所述柔性电路板一侧的所述骨架和所述盆架相连的上振膜以及与所述柔性电路板相连的下振膜，所述下振膜与所述上振膜沿振动方向间隔设置。
11. 根据权利要求10所述的扬声器，其特征在于，所述骨架中央开设有让位开口，所述上振膜包括与所述让位开口周缘相连的球顶和间隔套设于所述球顶外的上音膜，所述上音膜连接所述盆架和所述骨架，
所述下振膜包括与所述柔性电路板对应设置的一对下音膜，所述下音膜与所述柔性电路板远离所述上振膜一侧抵接。
12. 根据权利要求9所述的扬声器，其特征在于，所述磁路系统包括下夹板、设于所述下夹板上的主磁钢组件和副磁钢组件，所述副磁钢组件环绕所述主磁钢组件设置，所述主磁钢组件与所述副磁钢组件之间形成磁间隙，所述音圈设于所述磁间隙中。
 
PCT/CN2020/103801 2020-06-30 2020-07-23 柔性电路板和扬声器 WO2022000632A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010622343.7A CN111954131A (zh) 2020-06-30 2020-06-30 柔性电路板和扬声器
CN202010622343.7 2020-06-30

Publications (1)

Publication Number Publication Date
WO2022000632A1 true WO2022000632A1 (zh) 2022-01-06

Family

ID=73337365

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/103801 WO2022000632A1 (zh) 2020-06-30 2020-07-23 柔性电路板和扬声器

Country Status (2)

Country Link
CN (1) CN111954131A (zh)
WO (1) WO2022000632A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117857989A (zh) * 2024-03-04 2024-04-09 常州丽声科技有限公司 一种平板窄式扬声器

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112929799B (zh) * 2021-01-20 2022-11-01 武汉华星光电半导体显示技术有限公司 振动发声组件及显示装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103200472A (zh) * 2013-02-26 2013-07-10 广东欧珀移动通信有限公司 一种压电陶瓷扬声器及移动终端
CN208638647U (zh) * 2018-08-05 2019-03-22 瑞声科技(新加坡)有限公司 扬声器模组
CN208798196U (zh) * 2018-08-03 2019-04-26 瑞声科技(新加坡)有限公司 柔性电路板和具有该柔性电路板的扬声器
US20190254163A1 (en) * 2018-02-15 2019-08-15 Sharp Kabushiki Kaisha Flexible circuit board
CN209897263U (zh) * 2019-04-29 2020-01-03 瑞声科技(新加坡)有限公司 发声单体及扬声器
CN110662139A (zh) * 2019-09-30 2020-01-07 歌尔股份有限公司 一种发声装置及辅助振动方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205847583U (zh) * 2016-07-20 2016-12-28 瑞声科技(新加坡)有限公司 微型发声器件
CN209526871U (zh) * 2018-12-29 2019-10-22 瑞声科技(新加坡)有限公司 发声器件
CN209659599U (zh) * 2018-12-31 2019-11-19 瑞声科技(新加坡)有限公司 扬声器
CN110784803B (zh) * 2019-12-31 2020-05-05 共达电声股份有限公司 一种柔性电路板及扬声器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103200472A (zh) * 2013-02-26 2013-07-10 广东欧珀移动通信有限公司 一种压电陶瓷扬声器及移动终端
US20190254163A1 (en) * 2018-02-15 2019-08-15 Sharp Kabushiki Kaisha Flexible circuit board
CN208798196U (zh) * 2018-08-03 2019-04-26 瑞声科技(新加坡)有限公司 柔性电路板和具有该柔性电路板的扬声器
CN208638647U (zh) * 2018-08-05 2019-03-22 瑞声科技(新加坡)有限公司 扬声器模组
CN209897263U (zh) * 2019-04-29 2020-01-03 瑞声科技(新加坡)有限公司 发声单体及扬声器
CN110662139A (zh) * 2019-09-30 2020-01-07 歌尔股份有限公司 一种发声装置及辅助振动方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117857989A (zh) * 2024-03-04 2024-04-09 常州丽声科技有限公司 一种平板窄式扬声器
CN117857989B (zh) * 2024-03-04 2024-05-28 常州丽声科技有限公司 一种平板窄式扬声器

Also Published As

Publication number Publication date
CN111954131A (zh) 2020-11-17

Similar Documents

Publication Publication Date Title
US6594372B2 (en) Electroacoustic transducer
WO2021258439A1 (zh) 发声器件
WO2020024661A1 (zh) 扬声器
WO2021232473A1 (zh) 一种扬声器
WO2020140544A1 (zh) 发声器件
WO2021258440A1 (zh) 发声器件
WO2022110467A1 (zh) 发声器件
WO2022000632A1 (zh) 柔性电路板和扬声器
KR20120011769A (ko) 평판형 스피커의 자석 플레이트 및 베이스 프레임 구조
WO2021036128A1 (zh) 一种发声装置及其发声装置的组装方法
US11805369B2 (en) Sounding device
WO2021223255A1 (zh) 发声器件
WO2022006929A1 (zh) 扬声器
WO2022006930A1 (zh) 扬声器
WO2020134356A1 (zh) 扬声器
JP2003032787A (ja) 電気音響変換装置
WO2022110470A1 (zh) 发声器件
WO2022110468A1 (zh) 发声器件
WO2022088278A1 (zh) 扬声器及电子终端
WO2022110433A1 (zh) 发声器件
WO2021119995A1 (zh) 发声器件
WO2020140183A1 (zh) 发声装置
WO2021134280A1 (zh) 一种骨架和扬声器
WO2022067974A1 (zh) 发声器件
WO2021128334A1 (zh) 发声器件及其扬声器箱

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20943362

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20943362

Country of ref document: EP

Kind code of ref document: A1