WO2022007003A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2022007003A1
WO2022007003A1 PCT/CN2020/103778 CN2020103778W WO2022007003A1 WO 2022007003 A1 WO2022007003 A1 WO 2022007003A1 CN 2020103778 W CN2020103778 W CN 2020103778W WO 2022007003 A1 WO2022007003 A1 WO 2022007003A1
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WO
WIPO (PCT)
Prior art keywords
front cover
bracket
fixed
away
wall
Prior art date
Application number
PCT/CN2020/103778
Other languages
English (en)
French (fr)
Inventor
张龙
杨虎虎
朱俊杰
董献杰
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.)
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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 WO2022007003A1 publication Critical patent/WO2022007003A1/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
    • 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 electro-acoustics, and in particular, to a loudspeaker.
  • the whole machine When the speaker in the related art is fixed to the whole terminal, the whole machine needs to be additionally provided with a casing that is adapted to the front cover, and the casing is wrapped on the front cover and fixed with the front cover.
  • the space required is larger.
  • the purpose of the present application is to provide a loudspeaker, which is convenient to fix and can save installation space for the whole machine.
  • a loudspeaker including a basin frame with a receiving space, a vibration system received in the receiving space, and a magnetic circuit system for driving the vibration system;
  • the vibration system includes a vibration system for vibration A sounding diaphragm and a voice coil that drives the diaphragm to vibrate and sound;
  • the basin frame includes a bracket fixed with the vibration system and the magnetic circuit system, and a bracket fixed on the bracket and surrounded by the bracket to form the receiving
  • the front cover of the space, the diaphragm is fixed on the bracket, and the front cover is arranged on the side of the diaphragm away from the magnetic circuit system; it is characterized in that:
  • the front cover is provided with a connecting portion extending from the surface of the front cover away from the receiving space to the direction away from the receiving space, the connecting portion is provided with a connecting hole, and the speaker passes through the connecting portion.
  • the connection holes are fixed with external components.
  • the front cover includes a top wall fixed to the bracket and a side wall formed by bending and extending from the outer periphery of the top wall, the side wall and the bracket are arranged at intervals, so The connecting portion is formed by extending from one end of the side wall away from the top wall in a direction away from the bracket.
  • the front cover further includes a bending wall extending from one end of the side wall away from the top wall in a direction away from the bracket, and the connecting portion is away from the bending wall.
  • One end of the side wall is formed to extend in a direction away from the bracket.
  • the front cover includes at least two connecting parts that are symmetrical with respect to the center of the front cover.
  • the front cover is made of metal.
  • the diaphragm includes a ring portion, a fixing portion extending from the outer periphery of the ring portion, and a ball top extending from the inner periphery of the ring portion, the fixing portion is sandwiched between fixed between the top wall and the bracket.
  • the front cover further includes an extension wall extending from an end of the top wall away from the fixing portion to above the diaphragm, the extension wall, the top wall and the diaphragm
  • a front cavity is formed by surrounding and the extending wall is annular and surrounded by a sound outlet, and the front chamber is communicated with the outside through the sound outlet.
  • the vibration system further includes a lower diaphragm opposite to the diaphragm, a flexible circuit board electrically connected to the voice coil, and a conductive frame that conducts vibration of the voice coil, the The flexible circuit board is fixed on the bracket and is opposite to and spaced apart from the vibrating membrane, and the lower vibrating membrane is fixed on the side of the flexible circuit board away from the vibrating membrane.
  • the magnetic circuit system includes a magnetic yoke, a main magnetic steel disposed in the center of the magnetic yoke, a secondary magnetic steel disposed on the magnetic yoke and disposed around the main magnetic steel to form a magnetic gap a magnetic steel, a main pole core attached above the main magnetic steel, and a secondary pole core surrounding the main pole core and attached to the auxiliary magnetic steel and fixed on the bracket, the voice coil passes through the conductive frame is suspended in the magnetic gap;
  • One end of the bracket away from the front cover has an opening, and the magnetic yoke is fixed on the bracket and covers the opening.
  • the beneficial effect of the present application is that the vibration system and the magnetic circuit system are accommodated in the accommodating space of the basin frame, the basin frame is composed of a front cover and a bracket, a connecting part is formed by extending on the front cover, and a connection is established on the connecting part
  • the speaker can be fixed with external components through the connecting hole, so that the whole machine does not need to be additionally provided with a shell for fixing with the front cover, which saves the installation space of the whole machine and makes the structure simpler.
  • FIG. 1 is a schematic diagram of the overall structure of a speaker according to an embodiment of the application
  • Fig. 2 is the exploded schematic diagram of Fig. 1;
  • Fig. 3 is the sectional view along A-A in Fig. 1;
  • FIG. 4 is a schematic structural diagram of the front cover in FIG. 1;
  • FIG. 5 is a schematic structural diagram of the diaphragm in FIG. 1;
  • FIG. 6 is a schematic structural diagram of the conduction frame in FIG. 1;
  • 100 basin frame; 101, receiving space; 102, front cavity; 103, sound outlet; 110, bracket; 120, front cover; 121, top wall; 122, side wall; 123, bending wall; 124, Extension wall; 130, connection part; 1301, connection hole; 200, vibration system; 210, diaphragm; 211, ring part; 212, fixed part; 213, ball top; 220, lower diaphragm; 230, voice coil; 240, flexible circuit board; 250, conduction frame; 251, support part; 252, first conduction part; 253, second conduction part; 300, magnetic circuit system; 310, magnetic yoke; 320, main magnetic steel; 330, auxiliary Magnetic steel; 340, main pole core; 350, secondary pole core.
  • an embodiment of the present application provides a loudspeaker.
  • the loudspeaker in this embodiment includes a basin frame 100 having a accommodating space 101 , a vibration system 200 accommodated in the accommodating space 101 , and a The magnetic circuit system 300 of the vibration system 200 is driven.
  • the basin frame 100 in this embodiment includes a bracket 110 for fixing the vibration system 200 and the magnetic circuit system 300 , and a bracket 110 that covers the magnetic circuit system 300 and is fixed to the bracket 110
  • the front cover 120 on the upper side, the front cover 120 and the bracket 110 surround the receiving space 101, specifically, the vibration system 200 includes a vibrating membrane 210 for vibrating and sounding, and the vibrating membrane 210 is fixed on
  • the front cover 120 is disposed on the side of the diaphragm 210 away from the magnetic circuit system 300; preferably, the bracket 110 and the front cover 120 are detachably connected, for example, through bolts connection or snap connection, thereby facilitating the maintenance of the speaker.
  • the bracket 110 and the front cover 120 can also be fixed by ultrasonic welding or gluing.
  • the front cover 120 in this embodiment is provided with a connecting portion extending from the surface of the front cover 120 away from the receiving space 101 to the direction away from the receiving space 101 .
  • a connecting hole 1301 is formed on the connecting portion 130 , and the speaker is fixed to an external element through the connecting hole 1301 .
  • the front cover 120 is fixed on the whole terminal through the connecting hole 1301 , so that there is no need to provide another device for fixing with the front cover 120 It saves the installation space of the whole machine and makes the structure simpler.
  • connection holes 1301 in this embodiment are screw holes for passing through bolts or screws, etc.
  • the front cover 120 is fixed on the whole machine by bolts or screws, so as to be easily disassembled from the whole machine for replacement or maintenance.
  • the connecting hole 1301 may be provided with internal threads, or may not be provided with internal threads.
  • the front cover 120 in this embodiment includes a top wall 121 fixed to the bracket 110 and a side wall 122 vertically extending from the outer periphery of the top wall 121 .
  • the brackets 110 are arranged at intervals, and the connecting portion 130 is formed by extending from one end of the side wall 122 away from the top wall 121 to a direction away from the bracket 110 .
  • the connection hole 1301 may also be opened on the side wall 122 .
  • the front cover 120 in this embodiment further includes a bending wall 123 extending from an end of the side wall 122 away from the top wall 121 in a direction away from the bracket 110 .
  • 130 is formed by extending from one end of the bending wall 123 away from the side wall 122 in a direction away from the bracket 110 .
  • the front cover 120 and the connecting portion 130 are integrally formed.
  • integrally forming the front cover 120 and the connecting portion 130 the production of the front cover 120 is more convenient, and the connection strength of the front cover 120 and the connecting portion 130 is also higher.
  • the front cover 120 in this embodiment includes at least two connecting portions 130 that are symmetrical with respect to the center of the front cover 120 .
  • the front cover 120 can be more stably fixed on the whole machine by at least two connecting portions 130 symmetrical with respect to the center of the front cover 120 .
  • the front cover 120 in this embodiment is made of metal, such as aluminum, iron, copper, silver or other metals.
  • the front cover 120 can also be made of some hard materials, such as silicon and its compounds.
  • the vibration system 200 in this embodiment further includes a lower vibration membrane 220 opposite to the vibration membrane 210 , a voice coil 230 for driving the vibration membrane 210 to vibrate, and electrically connected to the vibration membrane 210 .
  • the flexible circuit board 240 of the voice coil 230 and the conductive frame 250 that conducts the vibration of the voice coil 230 are fixed on the support 110 and are arranged opposite to the diaphragm 210 and spaced apart.
  • the diaphragm 220 is fixed on the side of the flexible circuit board 240 away from the diaphragm 210 , the voice coil 230 is suspended on the magnetic circuit system 300 , and the conductive frames 250 are respectively abutted on the diaphragm 210 . on the membrane 210 , the voice coil 230 and the flexible circuit board 240 .
  • the conducting frame 250 in this embodiment includes a supporting portion 251 erected on the voice coil 230 , a first conducting portion 252 extending from the supporting portion 251 toward the diaphragm 210 , and a self-supporting portion 251 .
  • the second conducting portion 253 extending toward the flexible circuit board 240 is formed, the first conducting portion 252 abuts on the diaphragm 210 , and the second conducting portion 253 abuts on the flexible circuit board 240 .
  • the diaphragm 210 in this embodiment includes a ring portion 211 , a fixing portion 212 extending from the outer periphery of the ring portion 211 , and a ball extending from the inner periphery of the ring portion 211 .
  • the fixing portion 212 is sandwiched and fixed between the top wall 121 and the bracket 110 .
  • the front cover 120 in this embodiment further includes an extension wall 124 extending from an end of the top wall 121 away from the fixing portion 212 to above the diaphragm 210 .
  • the top wall 121 and the diaphragm 210 surround the front cavity 102
  • the extending wall 124 is annular and surrounds the sound outlet 103
  • the front chamber 102 communicates with the outside through the sound outlet 103 .
  • the magnetic circuit system 300 in this embodiment includes a magnetic yoke 310 , a main magnet 320 disposed in the center of the magnetic yoke 310 , disposed on the magnetic yoke 310 and surrounding the magnetic yoke 310 .
  • the main magnetic steel 320 is disposed to form a secondary magnetic steel 330 of a magnetic gap, a main pole core 340 attached above the main magnetic steel 320, and a main pole core 340 surrounding the main pole core 340 and attached to the auxiliary magnetic steel 330.
  • the secondary pole core 350 fixed on the bracket 110, the voice coil 230 is suspended in the magnetic gap through the conductive frame 250, specifically, the voice coil 230 is sleeved on the main magnetic steel 320 and The side wall 122 of the voice coil 230 is located between the main magnetic steel 320 and the secondary magnetic steel 330 .
  • the two auxiliary magnetic steels 330 are symmetrically arranged with respect to the long sides of the main magnetic steel 320 , and the two long sides of the voice coil 230 are respectively inserted into two of the auxiliary magnetic steels 330 . in the magnetic gap formed by the secondary magnetic steel 330 and the main magnetic steel 320 .
  • the secondary pole core 350 in this embodiment is annular, and the end of the secondary pole core 350 facing away from the secondary magnetic steel 330 is in contact with the bracket 110 , so that the secondary pole core 350 is stabilized
  • the flexible circuit board 240 is fixed on the secondary pole core 350, specifically by ultrasonic welding or gluing, and the lower diaphragm 220 is ultrasonically welded or gluing and fixed on the flexible circuit board 240, wherein the vibration
  • the membrane 210 and the lower vibrating membrane 220 are located on two sides of the flexible circuit board 240 respectively.
  • an end of the bracket 110 away from the front cover 120 has an opening, and the magnetic yoke 310 is fixed on the bracket 110 and covers the opening.

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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

本申请提供了扬声器，包括具有收容空间的盆架、收容于收容空间内的振动系统以及用于驱动振动系统的磁路系统；振动系统包括用于振动发声的振膜；盆架包括与振动系统和磁路系统固定的支架以及固定于支架并与支架围设形成收容空间的前盖，前盖上设有自前盖远离收容空间一侧的表面向远离收容空间方向延伸形成的连接部，连接部上开设有连接孔，扬声器通过连接孔与外部元件固定。通过盆架的收容空间将振动系统和磁路系统收容在内，盆架由前盖和支架组成，通过在前盖上延伸形成连接部，并在连接部上开设连接孔，扬声器通过连接孔可与外部元件固定，从而无需整机另外设置用于与前盖固定的壳体，节省了整机的安装空间，而且使结构更简单。

Description

扬声器 技术领域
本申请涉及电声领域，尤其涉及一种扬声器。
 背景技术
在现如今的移动互联网时代，智能移动终端设备的数量不断上升，对移动终端的要求也越来越高，其中之一便是要求高品质的音质功能。
 技术问题
相关技术中的扬声器在固定到终端整机时，整机需要额外设置一个与前盖适配的壳体，壳体包裹在前盖上并与前盖进行固定，该固定方式较为复杂，安装扬声器所需的空间较大。
因此，有必要提供一种新型的扬声器来解决上述问题。
 技术解决方案
本申请的目的在于提供一种扬声器，该扬声器的固定方便，能够为整机节省安装空间。
本申请的技术方案如下：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以及用于驱动所述振动系统的磁路系统；所述振动系统包括用于振动发声的振膜和驱动所述振膜振动发声的音圈；所述盆架包括与所述振动系统和磁路系统固定的支架以及固定于所述支架并与所述支架围设形成所述收容空间的前盖，所述振膜固定于所述支架，所述前盖设于所述振膜远离所述磁路系统一侧；其特征在于：
所述前盖上设有自所述前盖远离所述收容空间一侧的表面向远离所述收容空间方向延伸形成的连接部，所述连接部上开设有连接孔，所述扬声器通过所述连接孔与外部元件固定。
作为本申请的一个实施例，所述前盖包括固定于所述支架的顶壁和自所述顶壁的外周缘弯折延伸形成的侧壁，所述侧壁与所述支架间隔设置，所述连接部自所述侧壁远离所述顶壁的一端向远离所述支架的方向延伸形成。
作为本申请的一个实施例，所述前盖还包括自所述侧壁远离所述顶壁的一端向远离所述支架的方向延伸形成的弯折壁，所述连接部自所述弯折壁远离所述侧壁的一端向远离所述支架的方向延伸形成。
作为本申请的一个实施例，所述前盖至少包括两个关于所述前盖的中心对称的连接部。
作为本申请的一个实施例，所述前盖由金属制成。
作为本申请的一个实施例，所述振膜包括折环部、自所述折环部外周缘延伸形成的固定部及自所述折环部内周缘延伸形成的球顶部，所述固定部夹设固定于所述顶壁与所述支架之间。
作为本申请的一个实施例，所述前盖还包括自所述顶壁远离所述固定部一端延伸至所述振膜上方的延伸壁，所述延伸壁、所述顶壁与所述振膜围设形成前腔，所述延伸壁呈环形且围设形成出声孔，所述前腔通过所述出声孔与外界连通。
作为本申请的一个实施例，所述振动系统还包括与所述振膜相对的下振膜、电性连接所述音圈的柔性电路板以及传导所述音圈的振动的传导架，所述柔性电路板固定于所述支架上且与所述振膜相对且间隔设置，所述下振膜固定于所述柔性电路板远离所述振膜的一侧上。
作为本申请的一个实施例，所述磁路系统包括磁轭、设置于所述磁轭中央的主磁钢、设置于所述磁轭上并环绕所述主磁钢设置以形成磁间隙的副磁钢、贴附于所述主磁钢上方的主极芯以及环绕所述主极芯并贴附在所述副磁钢上并固定于所述支架上的副极芯，所述音圈通过所述传导架悬置于所述磁间隙内；
所述支架背离所述前盖的一端具有敞口，所述磁轭固定于所述支架上并覆盖在所述敞口上。
 有益效果
本申请的有益效果在于：通过盆架的收容空间将振动系统和磁路系统收容在内，盆架由前盖和支架组成，通过在前盖上延伸形成连接部，并在连接部上开设连接孔，扬声器通过连接孔可与外部元件固定，从而无需整机另外设置用于与前盖固定的壳体，节省了整机的安装空间，而且使结构更简单。
 附图说明
图1为本申请一实施例的扬声器的整体结构示意图；
图2为图1的分解示意图；
图3为图1中沿A-A的剖视图；
图4为图1中的前盖的结构示意图；
图5为图1中的振膜的结构示意图；
图6为图1中的传导架的结构示意图；
图中：100、盆架；101、收容空间；102、前腔；103、出声孔；110、支架；120、前盖；121、顶壁；122、侧壁；123、弯折壁；124、延伸壁；130、连接部；1301、连接孔；200、振动系统；210、振膜；211、折环部；212、固定部；213、球顶部；220、下振膜；230、音圈；240、柔性电路板；250、传导架；251、支撑部；252、第一传导部；253、第二传导部；300、磁路系统；310、磁轭；320、主磁钢；330、副磁钢；340、主极芯；350、副极芯。
 本发明的实施方式
为进一步说明各实施例，本申请提供有附图。这些附图为本申请揭露内容的一部分，其主要用以说明实施例，并可配合说明书的相关描述来解释实施例的运作原理。配合参考这些内容，本领域普通技术人员应能理解其他可能的实施方式以及本申请的优点。图中的组件并未按比例绘制，而类似的组件符号通常用来表示类似的组件。
下面结合附图和实施方式对本申请作进一步说明。
请参照图1-图5，本申请一实施例提供了一种扬声器，本实施例中的扬声器包括具有收容空间101的盆架100、收容于所述收容空间101内的振动系统200以及用于驱动所述振动系统200的磁路系统300。
请参照图1-图3，本实施例中的盆架100包括用于固定所述振动系统200和磁路系统300的支架110以及盖设在所述磁路系统300并固定在所述支架110上的前盖120，所述前盖120与所述支架110围设形成所述收容空间101，具体地，所述振动系统200包括用于振动发声的振膜210，所述振膜210固定于所述支架110上，所述前盖120设于所述振膜210远离所述磁路系统300一侧；优选地，所述支架110与所述前盖120可拆卸式连接，比如，通过螺栓连接或卡扣连接，进而方便对扬声器进行维修，当然，所述支架110与所述前盖120也可以是超声焊接或胶合固定。
请参照图1-图4，本实施例中的所述前盖120上设有自所述前盖120远离所述收容空间101一侧的表面向远离所述收容空间101方向延伸形成的连接部130，所述连接部130上开设有连接孔1301，所述扬声器通过所述连接孔1301与外部元件固定。具体地，通过在所述连接部130上开设所述连接孔1301，通过所述连接孔1301将所述前盖120固定在终端整机上，从而无需另外设置用于与所述前盖120固定的壳体，节省了整机的安装空间，而且使结构更简单。
本实施例中的连接孔1301为螺丝孔，用于穿设螺栓或螺钉等，所述前盖120通过螺栓或螺钉固定在整机上，从而便于自整机上拆卸进行更换或维修。需要说明的是，所述连接孔1301可设有内螺纹，也可以不设内螺纹。
请参照图3，本实施例中的所述前盖120包括固定于所述支架110的顶壁121和自所述顶壁121的外周缘垂直延伸形成的侧壁122，所述侧壁122与所述支架110间隔设置，所述连接部130自所述侧壁122远离所述顶壁121的一端向远离所述支架110的方向延伸形成。需要说明的是，在某些实施例中，连接孔1301也可以开设在所述侧壁122上。
请参照图4，本实施例中的所述前盖120还包括自所述侧壁122远离所述顶壁121的一端向远离所述支架110的方向延伸形成的弯折壁123，所述连接部130自所述弯折壁123远离所述侧壁122的一端向远离所述支架110的方向延伸形成。
本实施例中的所述前盖120与所述连接部130一体成型设置。通过将前盖120与所述连接部130一体成型设置可以使所述前盖120的生产更方便，所述前盖120与所述连接部130的连接强度也更高。
请参照图4，本实施例中的所述前盖120至少包括两个关于所述前盖120的中心对称的连接部130。通过至少两个关于所述前盖120的中心对称的连接部130可以使所述前盖120更加稳固的固定在整机上。
本实施例中的所述前盖120由金属制成，比如铝、铁、铜、银或其它金属。当然，所述前盖120也可以通过一些硬质材料进行制造，比如硅及其化合物等。
请参照图2以及图3，本实施例中的所述振动系统200还包括与所述振膜210相对的下振膜220、驱动所述振膜210振动的音圈230、电性连接所述音圈230的柔性电路板240以及传导所述音圈230的振动的传导架250，所述柔性电路板240固定于所述支架110上且与所述振膜210相对且间隔设置，所述下振膜220固定于所述柔性电路板240远离所述振膜210的一侧上，所述音圈230悬置于所述磁路系统300上，所述传导架250分别抵接在所述振膜210上、所述音圈230上以及所述柔性电路板240上。
请参照图6，本实施例中的所述传导架250包括架设在音圈230上的支撑部251、自支撑部251朝向所述振膜210延伸形成的第一传导部252以及自支撑部251朝向所述柔性电路板240延伸形成的第二传导部253，所述第一传导部252抵接在所述振膜210上，所述第二传导部253抵接在所述柔性电路板240上。
请参照图4，本实施例中的所述振膜210包括折环部211、自所述折环部211外周缘延伸形成的固定部212及自所述折环部211内周缘延伸形成的球顶部213，所述固定部212夹设固定于所述顶壁121与所述支架110之间。
请参照图4，本实施例中的所述前盖120还包括自所述顶壁121远离所述固定部212一端延伸至所述振膜210上方的延伸壁124，所述延伸壁124、所述顶壁121与所述振膜210围设形成前腔102，所述延伸壁124呈环形且围设形成出声孔103，所述前腔102通过所述出声孔103与外界连通。
请参照图2以及图3，本实施例中的所述磁路系统300包括磁轭310、设置于所述磁轭310中央的主磁钢320、设置于所述磁轭310上并环绕所述主磁钢320设置以形成磁间隙的副磁钢330、贴附于所述主磁钢320上方的主极芯340以及环绕所述主极芯340并贴附在所述副磁钢330上并固定于所述支架110上的副极芯350，所述音圈230通过传导架250悬置于所述磁间隙内，具体地，所述音圈230套设在所述主磁钢320上且所述音圈230的侧壁122位于所述主磁钢320和所述副磁钢330之间。具体地，所述副磁钢330具有两个，两个所述副磁钢330关于所述主磁钢320的长边对称设置，所述音圈230的两长边分别对应插入两个所述副磁钢330与所述主磁钢320形成的磁间隙中。
请参照图2，本实施例中的所述副极芯350呈环状，所述副极芯350背离副磁钢330的一端与所述支架110抵接，进而所述副极芯350被稳定固定，所述柔性电路板240固定在所述副极芯350上，具体为超声焊接或胶合固定，所述下振膜220超声焊接或胶合固定在所述柔性电路板240上，其中所述振膜210和所述下振膜220分别位于所述柔性电路板240的两侧。
请参照图2，本实施例中的所述支架110背离所述前盖120的一端具有敞口，所述磁轭310固定于所述支架110上并覆盖在所述敞口上。
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，包括具有收容空间的盆架、收容于所述收容空间内的振动系统以及用于驱动所述振动系统的磁路系统；所述振动系统包括用于振动发声的振膜和驱动所述振膜振动发声的音圈；所述盆架包括与所述振动系统和磁路系统固定的支架以及固定于所述支架并与所述支架围设形成所述收容空间的前盖，所述振膜固定于所述支架，所述前盖设于所述振膜远离所述磁路系统一侧；其特征在于：
    所述前盖上设有自所述前盖远离所述收容空间一侧的表面向远离所述收容空间方向延伸形成的连接部，所述连接部上开设有连接孔，所述扬声器通过所述连接孔与外部元件固定。
  2. 根据权利要求1所述的扬声器，其特征在于：所述前盖包括固定于所述支架的顶壁和自所述顶壁的外周缘弯折延伸形成的侧壁，所述侧壁与所述支架间隔设置，所述连接部自所述侧壁远离所述顶壁的一端向远离所述支架的方向延伸形成。
  3. 根据权利要求1所述的扬声器，其特征在于：所述前盖包括固定于所述支架的顶壁和自所述顶壁的外周缘沿垂直振动方向弯折延伸的侧壁，所述侧壁与所述支架间隔设置，所述连接部自所述侧壁远离所述顶壁的一端向远离所述支架的方向延伸形成。
  4. 根据权利要求3所述的扬声器，其特征在于：所述前盖还包括自所述侧壁远离所述顶壁的一端向远离所述支架的方向延伸形成的弯折壁，所述连接部自所述弯折壁远离所述侧壁的一端向远离所述支架的方向延伸形成。
  5. 根据权利要求1所述的扬声器，其特征在于：所述前盖至少包括两个关于所述前盖的中心对称的连接部。
  6. 根据权利要求1所述的扬声器，其特征在于：所述前盖由金属制成。
  7. 根据权利要求4所述的扬声器，其特征在于：所述振膜包括折环部、自所述折环部外周缘延伸形成的固定部及自所述折环部内周缘延伸形成的球顶部，所述固定部夹设固定于所述顶壁与所述支架之间。
  8. 根据权利要求7所述的扬声器，其特征在于：所述前盖还包括自所述顶壁远离所述固定部一端延伸至所述振膜上方的延伸壁，所述延伸壁、所述顶壁与所述振膜围设形成前腔，所述延伸壁呈环形且围设形成出声孔，所述前腔通过所述出声孔与外界连通。
  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与所述振膜相对的下振膜、电性连接所述音圈的柔性电路板以及传导所述音圈的振动的传导架，所述柔性电路板固定于所述支架上且与所述振膜相对且间隔设置，所述下振膜固定于所述柔性电路板远离所述振膜的一侧上。
  10. 根据权利要求9所述的扬声器，其特征在于：所述磁路系统包括磁轭、设置于所述磁轭中央的主磁钢、设置于所述磁轭上并环绕所述主磁钢设置以形成磁间隙的副磁钢、贴附于所述主磁钢上方的主极芯以及环绕所述主极芯并贴附在所述副磁钢上并固定于所述支架上的副极芯，所述音圈通过所述传导架悬置于所述磁间隙内；
    所述支架背离所述前盖的一端具有敞口，所述磁轭固定于所述支架上并覆盖在所述敞口上。
PCT/CN2020/103778 2020-07-08 2020-07-23 扬声器 WO2022007003A1 (zh)

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CN204425652U (zh) * 2015-01-23 2015-06-24 瑞声光电科技(常州)有限公司 电声器件
US20170173862A1 (en) * 2015-12-18 2017-06-22 Bose Corporation Air Adsorbing and Sound Absorbing Structure
CN208638633U (zh) * 2018-08-03 2019-03-22 瑞声光电科技(常州)有限公司 扬声器
CN210641065U (zh) * 2019-06-30 2020-05-29 瑞声科技(新加坡)有限公司 一种扬声器
CN111343544A (zh) * 2020-03-05 2020-06-26 瑞声科技(新加坡)有限公司 发声器件

Patent Citations (5)

* Cited by examiner, † Cited by third party
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CN204425652U (zh) * 2015-01-23 2015-06-24 瑞声光电科技(常州)有限公司 电声器件
US20170173862A1 (en) * 2015-12-18 2017-06-22 Bose Corporation Air Adsorbing and Sound Absorbing Structure
CN208638633U (zh) * 2018-08-03 2019-03-22 瑞声光电科技(常州)有限公司 扬声器
CN210641065U (zh) * 2019-06-30 2020-05-29 瑞声科技(新加坡)有限公司 一种扬声器
CN111343544A (zh) * 2020-03-05 2020-06-26 瑞声科技(新加坡)有限公司 发声器件

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