WO2020024669A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2020024669A1
WO2020024669A1 PCT/CN2019/087913 CN2019087913W WO2020024669A1 WO 2020024669 A1 WO2020024669 A1 WO 2020024669A1 CN 2019087913 W CN2019087913 W CN 2019087913W WO 2020024669 A1 WO2020024669 A1 WO 2020024669A1
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WO
WIPO (PCT)
Prior art keywords
fixing portion
diaphragm
fixedly connected
voice coil
loudspeaker
Prior art date
Application number
PCT/CN2019/087913
Other languages
English (en)
French (fr)
Inventor
冯岱
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 WO2020024669A1 publication Critical patent/WO2020024669A1/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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • 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
    • H04R2207/00—Details of diaphragms or cones for electromechanical transducers or their suspension covered by H04R7/00 but not provided for in H04R7/00 or in H04R2307/00
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00—Monitoring arrangements; Testing arrangements
    • H04R29/001—Monitoring arrangements; Testing arrangements for loudspeakers
    • H04R29/003—Monitoring arrangements; Testing arrangements for loudspeakers of the moving-coil type
    • 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
    • H04R7/16—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; 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
    • 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
    • H04R9/041—Centering
    • H04R9/043—Inner suspension or damper, e.g. spider
    • 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
    • H04R9/045—Mounting

Definitions

  • the utility model relates to the field of sound and electricity, in particular to a speaker.
  • the centering support piece of the speaker is disposed at the lower end of the voice coil and is sandwiched between the second diaphragm and the voice coil.
  • the centering support piece is fixedly connected to the short side wall of the basin frame.
  • the purpose of the utility model is to provide a loudspeaker with simple structure and good acoustic performance.
  • the speaker provided by the present invention includes a basin frame having a receiving space, a vibration system stored in the receiving space, and a magnetic circuit system for driving the vibration and sound of the vibration system.
  • the vibration system includes A first diaphragm that emits sound and a voice coil that is located below the first diaphragm to drive the first diaphragm to emit sound; the speaker further includes a sandwich between the first diaphragm and the sound The centering branch between the coils, and the voice coil is electrically connected to an external circuit through the centering branch.
  • the centering support piece includes a first fixed portion fixedly connected to the basin frame, a second fixed portion spaced apart from the first fixed portion and fixedly connected to the voice coil, and connected to the first fixed portion.
  • a plurality of connecting arms of the two fixing portions and the first fixing portion and a pad portion extending from the first fixing portion toward the second fixing portion, the first fixing portion and the second fixing portion The connecting arm and the pad portion are integrally formed.
  • the first fixing portion has a rectangular ring shape
  • the second fixing portion also has a rectangular ring shape
  • the second fixing portions are disposed at intervals inside the first fixing portion.
  • the number of the connecting arms is four, and one end of each of the connecting arms is fixedly connected to the first fixed portion, and the other end is fixedly connected to the second fixed portion.
  • the connecting arm includes a first portion fixedly connected to the first fixing portion, a second portion formed by bending and extending from an end of the first portion away from the first fixing portion, and from the second portion A third portion bent away from the first portion and extending and fixedly connected to the second fixing portion, the second portion is perpendicular to the first portion, and the third portion is perpendicular to the second portion .
  • the first diaphragm includes a fixed portion fixedly connected to the first fixed portion, a folded ring portion connected to the fixed portion, and a ball top portion connected to the folded ring portion, and the folded ring portion It is spaced from the connecting arm, and the top of the ball abuts the second fixing portion.
  • the pad portion of the centering support piece is fixed to the basin frame by welding.
  • the centering support piece is a flexible circuit board.
  • the vibration system further includes a second diaphragm opposite to the first diaphragm, one end of the second diaphragm is fixedly connected to the basin frame, and the other end is fixedly connected to the voice coil.
  • the speaker further includes a conductive terminal for realizing the electrical connection between the vibration system and the outside, and the conductive terminal is embedded in the basin frame.
  • the speaker provided by the present invention prevents the position conflict between the centering support and the main magnetic steel by sandwiching the centering support between the voice coil and the first diaphragm.
  • the size of the main magnetic steel can be further enlarged, the space utilization rate and sensitivity of the speaker are improved, and the acoustic performance of the speaker is improved.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a speaker provided by the present utility model
  • FIG. 2 is an exploded structure diagram of the speaker shown in FIG. 1;
  • FIG. 2 is an exploded structure diagram of the speaker shown in FIG. 1;
  • FIG. 3 is a cross-sectional view of the speaker shown in FIG. 1 along the A-A line;
  • FIG. 4 is a schematic diagram of a connection relationship between the pad portion and the basin frame shown in FIG. 2.
  • the present invention provides a speaker 100.
  • the speaker 100 includes a basin frame having a storage space 1, a vibration system stored in the storage space 2, a magnetic circuit system 3 for driving the vibration system 2 to generate sound, a centering support 4, and a The conductive terminal 5 for electrically connecting the speaker 100 with the outside.
  • the basin frame 1 is used for receiving and protecting other devices of the speaker 100.
  • the basin frame 1 has a rectangular frame shape, and includes two long side walls 11 spaced parallel to each other and two short sides respectively disposed at two ends of the two long side walls 11 and connecting the two long side walls 11.
  • the side wall 12, the long side wall 11 and the short side wall 12 are sequentially connected end to end, and cooperate to form a receiving space of the basin frame 1.
  • the vibration system 2 is used for vibration and sound.
  • the vibration system 2 includes a first diaphragm 21 for vibration and sound, a second diaphragm 22 opposite to the first diaphragm 21, and the first diaphragm 21
  • the second diaphragm 22 is connected to the voice coil 23 for driving and vibrating the first diaphragm 21.
  • One end of the second diaphragm 22 is fixedly connected to the basin frame 1 and the other end is fixedly connected to the voice coil 23.
  • the second diaphragm 22 elastically supports the voice coil 23 to improve the acoustics of the speaker 100. performance.
  • the first diaphragm 21 includes a fixed portion 211 connected to the centering support 4, a folded ring portion 212 connected to the fixed portion 211, and a ball top portion 213 connected to the folded ring portion 212.
  • the cross-section of the folded ring portion 212 is an arc-shaped structure protruding in a direction away from the basin frame 1, and the folded ring portion 212 is arranged around the ball top portion 213 and is connected to the ball top portion 213.
  • the fixed portion 211 is an arc-shaped structure protruding in a direction away from the basin frame 1
  • the folded ring portion 212 is arranged around the ball top portion 213 and is connected to the ball top portion 213.
  • the voice coil 23 includes an upper surface 231 near the first diaphragm 21 and a lower surface 232 opposite to the upper surface 231.
  • the centering support 4 is attached to the upper surface 231, and the second diaphragm 22 is attached to the lower surface 232.
  • the magnetic circuit system 3 is used to drive the vibration system 2 to generate sound.
  • the magnetic circuit system 3 includes a yoke 31 fixedly connected to the basin frame 1 and a centrally arranged yoke 31.
  • the yoke 31 is a bowl-shaped structure
  • the main magnetic steel 32 is attached to the center of the yoke 31
  • the auxiliary magnetic steel 33 is a long strip, and the number is two.
  • the two secondary magnetic steels 33 are symmetrically disposed on both sides of the main magnetic steel 32.
  • the main magnetic steel 32 and the auxiliary magnetic steel 33 form a magnetic gap at intervals, and the voice coil 23 is suspended in the magnetic gap.
  • the main pole core 34 and the sub pole core 35 are made of a magnetically permeable material and play a role of magnetic permeability.
  • the centering support piece 4 is sandwiched between the first diaphragm 21 and the voice coil 23.
  • the centering support piece 4 includes a first fixing portion 41 fixedly connected to the basin frame 1, and The first fixing portion 41 is spaced apart from each other and is fixedly connected to the voice coil 23, a second fixing portion 42, a plurality of connecting arms 43 connecting the second fixing portion 42 and the first fixing portion 41, and The first fixing portion 41 extends toward the land portion 44 near the second fixing portion 42.
  • the first fixing portion 41, the second fixing portion 42, the connecting arm 43, and the land portion 44 One piece.
  • first fixing portion 42 is sandwiched between the fixing portion 211 and the basin frame 1
  • second fixing portion 41 is sandwiched between the ball top portion 213 and the voice coil 23.
  • the connecting arm 43 is suspended in the accommodating space, and includes a first portion 431 fixedly connected to the first fixing portion 41, and an end of the first portion 431 far from the first fixing portion 41 is bent and extended.
  • the second portion 432 and the third portion 433 which is formed by bending and extending from an end of the second portion 432 far from the first portion 431 and fixedly connected to the second fixing portion 42.
  • the first portion 431 is perpendicular
  • the third portion 433 is perpendicular to the second portion 432.
  • the number of the connecting arms 43 is four. One end of each of the connecting arms 43 is fixedly connected to the first fixing portion 41, and the other end is fixedly connected to the second fixing portion 42. The four sides of the first fixing portion 41 and the four sides of the second fixing portion 42 are connected by connecting arms 43.
  • the connecting arm 43 is repeatedly bent and formed to increase the elasticity of the centering support 4, increase the amount of vibration of the vibration system 2, and improve the acoustic performance of the speaker 100.
  • the pad portion 44 of the centering support piece 4 is fixed to the basin frame 1 by welding, and the connecting arm 43 is located above the main magnetic steel 32 and is distributed at the periphery, and is connected to the main magnetic steel. It is set at 32 intervals, completely avoiding the position of the main magnetic steel 32, which can further increase the size of the main magnetic steel 32, thereby increasing the number of magnetic lines of force of the magnetic circuit system and improving the speaker 100.
  • the space utilization rate and sensitivity improve the acoustic performance of the speaker 100.
  • the centering support piece 4 and the basin frame 1 are fixedly connected through the pad portion 44. Specifically, the connection manner between the centering support piece 4 and the basin frame 1 is welding.
  • centering support piece 4 is a flexible circuit board and is electrically connected to the voice coil 23.
  • the conductive terminal 5 is embedded in the basin frame 1 to realize the electrical connection between the voice coil 23 and the outside world. Specifically, the conductive terminal 5 is electrically connected to the centering support 4.
  • the speaker 100 provided by the present invention avoids the centering support 4 and the main magnet by sandwiching the centering support 4 between the voice coil 23 and the first diaphragm 21.
  • the conflict of the positions of the steels 32 can further increase the size of the main magnetic steel 32, improve the space utilization rate and sensitivity of the speaker 100, and improve the acoustic performance of the speaker 100.

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

Abstract

本实用新型提供一种扬声器。所述扬声器包括具有收容空间的盆架、收容于所述盆架内的振动系统及用于驱动所述振动系统振动发声的磁路系统，所述振动系统包括用于振动发声的第一振膜及用于驱动所述第一振膜振动发声的音圈，所述扬声器还包括定心支片，所述定心支片夹设于所述第一振膜和所述音圈之间。本实用新型提供的扬声器，通过将定心支片夹设于音圈和第一振膜之间，避免了所述定心支片和所述主磁钢的位置冲突，可以使主磁钢的尺寸进一步做大，提高了所述扬声器的空间利用率和灵敏度，改善了所述扬声器的声学性能。

Description

扬声器 技术领域
本实用新型涉及声电领域，尤其涉及一种扬声器。
 背景技术
为适应各种音响设备与信息通信设备的小型化、多功能化发展，该类设备中所使用的扬声器对应需要更加趋于小型化，因此，对于扬声器的空间利用率以及声学性能提出了更高的要求。
相关技术中，扬声器的定心支片设置于音圈的下端，并夹设于所述第二振膜和音圈之间，定心支片与盆架的短边侧壁固定连接，采用该种设计时，为避免与定心支片连接臂的接触，通常需要缩小主磁钢的尺寸，极大的限制了主磁钢的尺寸大小，影响了所述扬声器磁路系统的灵敏性。
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
本实用新型的目的在于提供一种结构简单、声学性能良好的扬声器。
 技术解决方案
为了达到上述目的，本实用新型提供的扬声器包括具有收容空间的盆架、收容于所述收容空间内的振动系统及用于驱动所述振动系统振动发声的磁路系统，所述振动系统包括用于振动发声的第一振膜及位于所述第一振膜下方用于驱动所述第一振膜振动发声的音圈，所述扬声器还包括夹设于所述第一振膜和所述音圈之间的定心支片，所述音圈通过所述定心支片与外部电路电连接。
优选的，所述定心支片包括与所述盆架固定连接的第一固定部、与所述第一固定部相互间隔并与所述音圈固定连接的第二固定部、连接所述第二固定部与所述第一固定部的若干连接臂及自所述第一固定部向靠近所述第二固定部方向延伸的焊盘部，所述第一固定部、所述第二固定部、所述连接臂及所述焊盘部一体成型。
优选的，所述第一固定部为矩形环状，所述第二固定部也为矩形环状，所述第二固定部间隔设置于所述第一固定部内侧。
优选的，所述连接臂的数量为四个，各所述连接臂的一端与所述第一固定部固定连接，另一端与所述第二固定部固定连接。
优选的，所述连接臂包括与所述第一固定部固定连接的第一部分、自所述第一部分远离所述第一固定部的一端弯折延伸形成的第二部分及自所述第二部分远离所述第一部分的一端弯折延伸形成的与所述第二固定部固定连接的第三部分，所述第二部分与所述第一部分垂直，所述第三部分与所述第二部分垂直。
优选的，所述第一振膜包括与所述第一固定部固定连接的固定部、与所述固定部连接的折环部及与所述折环部连接的球顶部，所述折环部与所述连接臂间隔设置，所述球顶部抵接所述第二固定部。
优选的，所述定心支片的焊盘部与所述盆架焊接固定。
优选的，所述定心支片为柔性电路板。
优选的，所述振动系统还包括与所述第一振膜相对设置的第二振膜，所述第二振膜一端与所述盆架固定连接，另一端与所述音圈固定连接。
优选的，所述扬声器还包括用于实现所述振动系统与外界电连接的导电端子，所述导电端子嵌设于所述盆架。
 有益效果
与相关技术相比，本实用新型提供的扬声器，通过将定心支片夹设于音圈和第一振膜之间，避免了所述定心支片和所述主磁钢的位置冲突，可以使主磁钢的尺寸进一步做大，提高了所述扬声器的空间利用率和灵敏度，改善了所述扬声器的声学性能。
 附图说明
为了更清楚地说明本实用新型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实用新型的一些实施例，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为本实用新型提供的扬声器的立体结构示意图；
图2为图1所示的扬声器的分解结构示意图；
图3为图1所示的扬声器沿A-A线的剖视图；
图4为图2所示的焊盘部与盆架的连接关系示意图。
 本发明的实施方式
下面将结合本实用新型实施例中的附图，对本实用新型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实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，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，都属于本实用新型保护的范围。
请同时参阅图1至图3，本实用新型提供一种扬声器100。所述扬声器100包括具有收容空间的盆架1、收容于所述收容空间内的振动系统2、用于驱动所述振动系统2振动发声的磁路系统3、定心支片4及与用于实现所述扬声器100与外部电连接的导电端子5。
所述盆架1用于收容并保护所述扬声器100的其他器件。
所述盆架1呈矩形框状，其包括两相互平行间隔设置的长侧壁11及分别设置于两个所述长侧壁11两端且连接两个所述长侧壁11的两个短侧壁12，所述长侧壁11与所述短侧壁12依次首尾相连，配合形成所述盆架1的收容空间。
所述振动系统2用于振动发声，具体的，所述振动系统2包括用于振动发声的第一振膜21、与所述第一振膜21相对设置的第二振膜22及与所述第二振膜22连接并用于驱动所述第一振膜21振动发声的音圈23。所述第二振膜22一端与所述盆架1固定连接，另一端与所述音圈23固定连接，所述第二振膜22弹性支撑所述音圈23，改善所述扬声器100的声学性能。
所述第一振膜21包括与所述定心支片4连接的固定部211、与所述固定部211连接的折环部212及与所述折环部212连接的球顶部213。具体的，所述折环部212的截面呈向远离所述盆架1方向凸起的弧形结构，所述折环部212环设于所述球顶部213四周，并连接所述球顶部213和所述固定部211。
所述音圈23包括靠近所述第一振膜21的上表面231及与所述上表面231相对设置的下表面232。所述定心支片4贴设于所述上表面231，所述第二振膜22贴设于所述下表面232。
所述磁路系统3用于驱动所述振动系统2振动发声，具体的，所述磁路系统3包括与所述盆架1固定连接的磁轭31、组配于所述磁轭31中央的主磁钢32、组配于所述磁轭31上并环绕所述主磁钢32设置以形成磁间隙的副磁钢33、贴附于所述主磁钢32上方的主极芯34以及贴附于所述副磁钢的副极芯35。
在本实施例中，所述磁轭31为碗状结构，所述主磁钢32贴设于所述磁轭31的中心，所述副磁钢33为长条状，其数量为两个，两个所述副磁钢33对称设于所述主磁钢32两侧。所述主磁钢32和所述副磁钢33间隔形成磁间隙，所述音圈23悬置于所述磁间隙内。
所述主极芯34和所述副极芯35由导磁材料制成，起到导磁作用。
所述定心支片4夹设于所述第一振膜21和所述音圈23之间，所述定心支片4包括与所述盆架1固定连接的第一固定部41、与所述第一固定部41相互间隔并与所述音圈23固定连接的第二固定部42、连接所述第二固定部42与所述第一固定部41的若干连接臂43及自所述第一固定部41向靠近所述第二固定部42方向延伸的焊盘部44，所述第一固定部41、所述第二固定部42、所述连接臂43及所述焊盘部44一体成型。
具体的，所述第一固定部42夹设于所述固定部211和所述盆架1之间，所述第二固定部41夹设于所述球顶部213和所述音圈23之间。
所述连接臂43悬置于所述收容空间，其包括与所述第一固定部41固定连接的第一部分431、自所述第一部分431远离所述第一固定部41的一端弯折延伸形成的第二部分432及自所述第二部分432远离所述第一部分431的一端弯折延伸形成的与所述第二固定部42固定连接的第三部分433，所述第二部分432与所述第一部分431垂直，所述第三部分433与所述第二部分432垂直。
所述连接臂43的数量为四个，各所述连接臂43的一端与所述第一固定部41固定连接，另一端与所述第二固定部42固定连接。使得第一固定部41的四条边与第二固定部42的四条边均有连接臂43连接。所述连接臂43通过多次弯折成型，增加了所述定心支片4的弹性，增加了所述振动系统2的振动量，改善了所述扬声器100的声学性能。
进一步的，所述定心支片4的焊盘部44与所述盆架1焊接固定，所述连接臂43位于所述主磁钢32的上方且分布在周边，并与所述主磁钢32间隔设置，完全避开了所述主磁钢32的位置，可以使所述主磁钢32的尺寸进一步做大，进而增加了所述磁路系统的磁力线数量，提高了所述扬声器100的空间利用率和灵敏度，改善了所述扬声器100的声学性能。
请参阅图4，所述定心支片4与所述盆架1通过所述焊盘部44固定连接，具体的，所述定心支片4与所述盆架1的连接方式为焊接。
更进一步的，所述定心支片4为柔性电路板，并与所述音圈23电连接。
所述导电端子5嵌设于所述盆架1，用于实现所述音圈23与外界的电连接，具体的，所述导电端子5与所述定心支片4电连接。
与相关技术相比，本实用新型提供的扬声器100，通过将定心支片4夹设于音圈23和第一振膜21之间，避免了所述定心支片4和所述主磁钢32的位置冲突，可以使主磁钢32的尺寸进一步做大，提高了所述扬声器100的空间利用率和灵敏度，改善了所述扬声器100的声学性能。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种扬声器，包括具有收容空间的盆架、收容于所述收容空间内的振动系统及用于驱动所述振动系统振动发声的磁路系统，所述振动系统包括用于振动发声的第一振膜及位于所述第一振膜下方用于驱动所述第一振膜振动发声的音圈，其特征在于，所述扬声器还包括夹设于所述第一振膜和所述音圈之间的定心支片，所述音圈通过所述定心支片与外部电路电连接。
  2. 根据权利要求1所述的扬声器，其特征在于，所述定心支片包括与所述盆架固定连接的第一固定部、与所述第一固定部相互间隔并与所述音圈固定连接的第二固定部、连接所述第二固定部与所述第一固定部的若干连接臂及自所述第一固定部向靠近所述第二固定部方向延伸的焊盘部，所述第一固定部、所述第二固定部、所述连接臂及所述焊盘部一体成型。
  3. 根据权利要求2所述的扬声器，其特征在于，所述第一固定部为矩形环状，所述第二固定部也为矩形环状，所述第二固定部间隔设置于所述第一固定部内侧。
  4. 根据权利要求3所述的扬声器，其特征在于，所述连接臂的数量为四个，各所述连接臂的一端与所述第一固定部固定连接，另一端与所述第二固定部固定连接。
  5. 根据权利要求2所述的扬声器，其特征在于，所述连接臂包括与所述第一固定部固定连接的第一部分、自所述第一部分远离所述第一固定部的一端弯折延伸形成的第二部分及自所述第二部分远离所述第一部分的一端弯折延伸形成的与所述第二固定部固定连接的第三部分，所述第二部分与所述第一部分垂直，所述第三部分与所述第二部分垂直。
  6. 根据权利要求2所述的扬声器，其特征在于，所述第一振膜包括与所述第一固定部固定连接的固定部、与所述固定部连接的折环部及与所述折环部连接的球顶部，所述折环部与所述连接臂间隔设置，所述球顶部抵接所述第二固定部。
  7. 根据权利要求2所述的扬声器，其特征在于，所述定心支片的焊盘部与所述盆架焊接固定。
  8. 根据权利要求1所述的扬声器，其特征在于，所述定心支片为柔性电路板。
  9. 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与所述第一振膜相对设置的第二振膜，所述第二振膜一端与所述盆架固定连接，另一端与所述音圈固定连接。
  10. 根据权利要求1所述的扬声器，其特征在于，所述扬声器还包括用于实现所述振动系统与外界电连接的导电端子，所述导电端子嵌设于所述盆架。
PCT/CN2019/087913 2018-08-03 2019-05-22 扬声器 WO2020024669A1 (zh)

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