WO2022110472A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2022110472A1
WO2022110472A1 PCT/CN2020/140130 CN2020140130W WO2022110472A1 WO 2022110472 A1 WO2022110472 A1 WO 2022110472A1 CN 2020140130 W CN2020140130 W CN 2020140130W WO 2022110472 A1 WO2022110472 A1 WO 2022110472A1
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WO
WIPO (PCT)
Prior art keywords
fixed
sound
diaphragm
dome
extension
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/CN2020/140130
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English (en)
French (fr)
Inventor
宋威
金鑫
钟志威
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
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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 WO2022110472A1 publication Critical patent/WO2022110472A1/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
    • 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; 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 invention relates to the field of electro-acoustic conversion, in particular to a sound-generating device.
  • the sound-generating device includes a basin frame, a vibration system respectively fixed to the basin frame and a magnetic circuit system with a magnetic gap.
  • the ring and the skeleton fixed on the side of the vibrating membrane facing the magnetic circuit system, the vibrating membrane includes a membrane body with a cut hole and a dome set in the cut hole, and the skeleton is fixedly connected with the membrane body and the dome respectively by gluing.
  • the membrane body and the skeleton glued and the dome and the skeleton glued to meet the requirements of sealing and waterproofing it is necessary to increase the glued width, and the increase of the glued width will lead to the voice coil size not being the optimal choice for performance.
  • the purpose of the present invention is to provide a sound-generating device, which can realize the sealing and waterproof design between the skeleton and the diaphragm under the condition that the bonding strength between the membrane body and the skeleton and the skeleton and the dome only needs to reach the assembly strength.
  • the sound-generating device includes a basin frame, a vibration system respectively fixed to the basin frame and a magnetic circuit system with a magnetic gap.
  • the vibration system includes a diaphragm fixed on the basin frame, inserted into the magnetic gap.
  • a voice coil for driving the vibrating membrane to vibrate and sound, and a skeleton fixed on the side of the vibrating membrane facing the magnetic circuit system, the vibrating membrane includes a membrane body fixed on the basin frame and having a cut hole and a device.
  • the film body has a first side surface facing the glue dispensing groove
  • the dome has a second side surface facing the glue dispensing groove
  • the gel covers the first side surface and the second side surface side.
  • the sound-emitting device further includes an elastic support member spaced apart from the diaphragm
  • the frame includes a main body portion, a first extension portion, and a second extension portion spaced apart from the first extension portion
  • the The film body and the dome are respectively glued and fixed with the main body, and the main body, the film body and the dome are enclosed to form the glue dispensing groove
  • the first extension part and the second Two extension parts are formed to extend from the main body to the direction away from the diaphragm, wherein one end of the elastic support is fixed to the basin frame, and the other end of the elastic support is fixed to the first extension part; the voice coil fixed to the second extension part.
  • the second extension portion is provided with a plurality of notches, and the plurality of notches divide the second extension portion into a plurality of isolation islands.
  • the main body portion has an annular structure
  • the first extension portion is formed to extend from the outer periphery of the main body portion
  • the second extension portion is formed to extend from the inner periphery of the main body portion.
  • the elastic support includes a flexible circuit board and an auxiliary diaphragm
  • the flexible circuit board includes a holding part fixed to the basin frame, a fixed part fixed to the first extension part, and a fixed part connected to the holding part and the elastic arm of the fixing part
  • the auxiliary diaphragm includes a first part fixed on the side of the holding part away from the basin frame, and a first part fixed on the side of the fixing part away from the first extension part. Two parts and a folded ring connecting the first part and the second part, the folded ring protrudes in a direction away from the flexible circuit board.
  • the magnetic circuit system includes a magnetic bowl fixed on the basin frame and a magnet portion accommodated in the magnetic bowl, the magnetic bowl includes a bottom wall and a direction from the periphery of the bottom wall to the diaphragm
  • the side wall formed by bending and extending, the magnet part is fixed on the bottom wall and is spaced from the side wall to form the magnetic gap.
  • the side walls include two first side walls on opposite sides of the bottom wall and two second side walls on other opposite sides of the bottom wall, the first side walls are far away from the bottom wall.
  • One side of the voice coil is provided with the elastic support member, and the second side wall is bent and extended in a direction away from the voice coil to form an extension portion, and the extension portion is fixed to the basin frame.
  • the magnet portion includes a permanent magnet fixed on the bottom wall and a pole core fixed on a side of the permanent magnet away from the bottom wall.
  • the sound-emitting device provided by the present invention is filled with colloid through the dispensing groove formed by the skeleton, the membrane body and the dome, so that the bonding strength of the membrane body and the skeleton and the skeleton and the dome only needs to reach the assembly strength. Under the circumstance, the sealing and waterproof design between the skeleton and the diaphragm can be realized.
  • FIG. 1 is an exploded view of the sound-emitting device provided by the present invention.
  • FIG. 2 is a schematic structural diagram of a skeleton in the sound-emitting device shown in FIG. 1 .
  • FIG. 3 is a schematic structural diagram of a magnetic bowl in the sound-emitting device shown in FIG. 1 .
  • FIG. 4 is a perspective view of the sounding device shown in FIG. 1 after being assembled.
  • FIG. 5 is a cross-sectional view of the sound-emitting device shown in FIG. 4 along the line A-A.
  • FIG. 6 is a cross-sectional view of the sound-emitting device shown in FIG. 4 taken along line B-B.
  • FIG. 7 is an enlarged view of part A of the sound-emitting device shown in FIG. 6 .
  • FIG. 8 is a schematic structural diagram of the part A shown in FIG. 7 after removing the colloid.
  • the sound-generating device includes a basin frame 1 , a vibration system 3 respectively fixed to the basin frame 1 , and a magnetic circuit system 5 having a magnetic gap 5A.
  • the magnetic circuit system 5 is used for driving The vibration system 3 vibrates and emits sound.
  • the vibration system 3 includes a diaphragm 31 , a voice coil 33 inserted into the magnetic gap 5A to drive the diaphragm 31 to vibrate and produce sound, and a frame 34 fixed on the side of the diaphragm 31 facing the magnetic circuit system 5 .
  • the diaphragm 31 is fixed to the basin frame 1 so that the vibration system 3 is fixed to the basin frame 1 .
  • the voice coil 33 is electrically connected to an external circuit. After the voice coil 33 is energized, the voice coil 33 vibrates under the action of the magnetic field of the magnetic circuit system 5. At the same time, the voice coil 33 drives the The diaphragm 31 vibrates to produce sound.
  • the diaphragm 31 includes a diaphragm body 35 fixed to the basin frame 1 and having a cut hole 351 and a dome 37 disposed in the cut hole 351.
  • the diaphragm body 35 and the dome 37 are respectively connected to the
  • the frame 34 is glued and fixed, and the frame 34 , the membrane body 35 and the dome 37 are enclosed to form a glue dispensing groove 38 , and the glue dispensing groove 38 is filled with the glue a.
  • the glue-dispensing groove 38 By filling the glue-dispensing groove 38 with the colloid a, the bonding strength between the film body 35 and the frame 34 and the frame 34 and the dome 37 only needs to reach the assembly strength, and then the bonding between the frame 34 and the diaphragm 31 can be achieved. Sealed waterproof design.
  • the outer periphery of the membrane body 35 is fixed to the basin frame 1 ; the inner periphery of the membrane body 35 is spaced apart from the dome 37 , so that the membrane body 35 and the dome 37 are respectively connected to the dome 37 .
  • the frame 34 is glued and fixed, the frame 34 , the membrane body 35 and the dome 37 are enclosed to form the glue dispensing groove 38 .
  • the membrane body 35 has a first side surface 353 facing the glue dispensing groove 38
  • the dome 37 has a second side surface 371 facing the glue dispensing groove 38
  • the colloid a covers the first side surface 353 and the second side surface 371 .
  • the sound-generating device further includes an elastic support member 7 spaced from the diaphragm 31
  • the frame 34 includes a main body portion 341 , a first extension portion 343 and a space between the first extension portion 343 .
  • the second extension portion 345 is provided, the membrane body 35 and the dome 37 are respectively glued and fixed with the body portion 341 , and the body portion 341 , the membrane body 35 and the dome 37 are enclosed to form
  • the glue dispensing groove 38 , the first extension portion 343 and the second extension portion 345 extend from the main body portion 341 to the direction away from the diaphragm 31 , wherein one end of the elastic support member 7 is fixed In the basin frame 1 , the other end is fixed to the first extension portion 343 ; the voice coil 33 is fixed to the second extension portion 345 .
  • the skeleton 34 drives the diaphragm 31 and the elastic support 7 to vibrate together.
  • the main body portion 341 has an annular structure
  • the first extension portion 343 extends from the outer periphery of the main body portion 341
  • the second extension portion 345 extends from the inner portion of the main body portion 341 .
  • the perimeter is extended.
  • the annular structure of the main body portion 341 is beneficial to reduce the overall weight of the skeleton 34 to reduce the vibration quality of the sound-generating device, thereby improving the sensitivity of the sound-generating device.
  • the second extension portion 345 is provided with a plurality of notches 347 , and the plurality of notches 347 divide the second extension portion 345 into a plurality of isolation islands 345A. That is, the voice coil 33 is fixed to the plurality of isolation islands 345A of the second extension portion 345 . After the voice coil 33 is fixed to the second extension part 345 by setting a plurality of notches 347, an air flow channel is formed between the voice coil 33 and the second extension part 345, and the air flow channel can vibrate the sound-generating device. When balancing the air pressure in the sound-emitting device, it is beneficial to improve the acoustic performance of the sound-emitting device.
  • the elastic support 7 includes a flexible circuit board 71 and an auxiliary diaphragm 73 .
  • the flexible circuit board 71 includes a holding portion 711 fixed to the basin frame 1 , a fixing portion 713 fixed to the first extension portion 343 , and an elastic arm 715 connecting the holding portion 711 and the fixing portion 713 .
  • one of the flexible circuit boards 71 further includes a pad portion 717 that is bent and extended from the fixing portion 713 toward the vibrating membrane, and the pad portion 717 is provided with a connection with the sound
  • the leads of the coil 33 are electrically connected.
  • the flexible circuit board 71 plays the role of supporting and fixing the vibration system 3; (not shown), the elastic arm 715 and the fixing portion 713 are provided with conductive paths to electrically connect the holding portion 711 and the pads on the pad portion 717 , wherein the pad portion 717
  • the connection between the pads of the voice coil 33 and the leads of the voice coil 33 serves to electrically connect the voice coil 33, and the pads on the holding portion 711 are connected to an external circuit, so that the voice coil 33 passes through the flexible circuit
  • the board 71 is electrically connected to an external circuit. When the sound-emitting device works, the electrical signal of the external circuit is transmitted to the voice coil 33 through the flexible circuit board 71 .
  • the flexible circuit board 71 may also not include a pad portion, and correspondingly, pads electrically connected to the leads of the voice coil 33 are provided on the fixing portion.
  • the auxiliary diaphragm 73 includes a first portion 731 fixed on the side of the holding portion 711 away from the basin frame 1 , and a second portion 733 fixed on the side of the fixing portion 713 away from the first extension portion 343 . and a folded ring 735 connecting the first part 731 and the second part 733 , the folded ring 735 protrudes in a direction away from the flexible circuit board 71 .
  • the arrangement of the auxiliary diaphragm 73 can improve the acoustic performance of the sound-emitting device.
  • the magnetic circuit system 5 includes a magnetic bowl 51 fixed on the basin frame 1 and a magnet portion 53 accommodated in the magnetic bowl 51 .
  • the magnetic bowl 51 includes a bottom wall 511 and a side wall 513 formed by bending and extending from the periphery of the bottom wall 511 toward the diaphragm 31 .
  • the magnet portion 53 is fixed on the bottom wall 511 and is connected with the The sidewalls 513 are spaced to form the magnetic gap 5A.
  • the side walls 513 include two first side walls 515 located on opposite sides of the bottom wall 511, respectively, and two second side walls 517 located on other opposite sides of the bottom wall 511, respectively.
  • a side of the wall 515 away from the voice coil 33 is provided with the elastic support member 7 , and the second side wall 517 is bent and extended in a direction away from the voice coil 33 to form an extension portion 519 , and the extension portion 519 Fixed on the basin frame 1 .
  • the magnet portion 53 includes a permanent magnet 531 fixed on the bottom wall 511 and a pole core 533 fixed on a side of the permanent magnet 531 away from the bottom wall 511 .
  • the permanent magnet may be a natural magnet or an artificial magnet (eg, magnetic steel); the pole core 533 is made of a magnetically conductive material, so that the magnetic flux in the magnetic gap 5A can be enhanced.
  • the magnet portion 53 may only be a permanent magnet, or may be formed by stacking multiple permanent magnets and multiple pole cores.
  • the bonding strength between the membrane body 35 and the skeleton 34 and the skeleton 34 and the dome 37 only needs to reach the assembly strength. Sealing and waterproof design between the diaphragms 31 .

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

Abstract

本发明提供了一种发声器件。发声器件包括盆架以及分别固定于所述盆架的振动系统和具有磁间隙的磁路系统，所述振动系统包括固定于所述盆架的振膜、插入所述磁间隙以驱动所述振膜振动发声的音圈以及固设于所述振膜朝向所述磁路系统一侧的骨架，所述振膜包括固定于所述盆架且具有切中孔的膜本体及设于所述切中孔内的球顶，所述球顶与所述膜本体间隔，所述膜本体和所述球顶分别与所述骨架胶合固定，且所述骨架、所述膜本体及所述球顶围合形成点胶槽，所述点胶槽填充有胶体。本发明提供的发声器件在膜本体与骨架以及骨架与球顶的胶合强度仅需达到装配强度的情况下即能实现骨架与振膜之间的密封防水设计。

Description

发声器件 技术领域
本发明涉及电声转换领域，尤其涉及一种发声器件。
 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，要求该类设备中所使用的发声器件对应更加趋于小型化，使所述发声器件与周边其他元件的配合更加紧凑。特别随着移动电话轻薄化发展的需求，对其中所使用的发声器件的质量要求也越来越高。
相关技术中，发声器件包括盆架以及分别固定于盆架的振动系统和具有磁间隙的磁路系统，振动系统包括固定于盆架的振膜、插入磁间隙内以驱动振膜振动发声的音圈以及固设于振膜朝向磁路系统一侧的骨架，振膜包括具有切中孔的膜本体及设于切中孔内的球顶，骨架通过胶合的方式分别与膜本体和球顶固定连接。然而，为了使膜本体与骨架胶合、球顶与骨架胶合各自达到密封防水需求，需通过增加胶合宽度，而增加胶合宽度会导致音圈尺寸无法做到性能最优选择。
因此，实有必要提供一种新的发声器件解决上述问题。
 技术问题
本发明的目的在于提供一种发声器件，该发声器件在膜本体与骨架以及骨架与球顶的胶合强度仅需达到装配强度的情况下即能实现骨架与振膜之间的密封防水设计。
 技术解决方案
本发明提供的发声器件，包括盆架以及分别固定于所述盆架的振动系统和具有磁间隙的磁路系统，所述振动系统包括固定于所述盆架的振膜、插入所述磁间隙以驱动所述振膜振动发声的音圈以及固设于所述振膜朝向所述磁路系统一侧的骨架，所述振膜包括固定于所述盆架且具有切中孔的膜本体及设于所述切中孔内的球顶，所述球顶与所述膜本体间隔，所述膜本体和所述球顶分别与所述骨架胶合固定，且所述骨架、所述膜本体及所述球顶围合形成点胶槽，所述点胶槽填充有胶体。
优选地，所述膜本体具有朝向所述点胶槽的第一侧面，所述球顶具有朝向所述点胶槽的第二侧面，所述胶体包覆所述第一侧面和所述第二侧面。
优选地，所述发声器件还包括与所述振膜间隔设置的弹性支撑件，所述骨架包括主体部、第一延伸部及与所述第一延伸部间隔设置的第二延伸部，所述膜本体和所述球顶分别与所述主体部胶合固定，且所述主体部、所述膜本体及所述球顶围合形成所述点胶槽，所述第一延伸部和所述第二延伸部自所述主体部向背离所述振膜方向延伸形成，其中，所述弹性支撑件的一端固定于所述盆架，其另一端固定于所述第一延伸部；所述音圈固定于所述第二延伸部。
优选地，所述第二延伸部上设有多个豁口，多个所述豁口将所述第二延伸部分隔为多个隔离岛。
优选地，所述主体部呈环状结构，所述第一延伸部自所述主体部的外周缘延伸形成，所述第二延伸部自所述主体部的内周缘延伸形成。
优选地，所述弹性支撑件包括柔性电路板和辅助振膜，所述柔性电路板包括固定于所述盆架的固持部、固定于所述第一延伸部的固定部及连接所述固持部和所述固定部的弹性臂，所述辅助振膜包括固设于所述固持部远离所述盆架一侧的第一部分、固定于所述固定部远离所述第一延伸部一侧的第二部分及连接所述第一部分和所述第二部分的折环，所述折环向背离所述柔性电路板的方向凸起。
优选地，所述磁路系统包括固持于所述盆架的磁碗以及收容于所述磁碗内的磁体部，所述磁碗包括底壁及自所述底壁周缘向所述振膜方向弯折延伸形成的侧壁，所述磁体部固设于所述底壁并与所述侧壁间隔形成所述磁间隙。
优选地，所述侧壁包括两个分别位于所述底壁相对两侧的第一侧壁及两个分别位于所述底壁另外相对两侧的第二侧壁，所述第一侧壁远离所述音圈的一侧设有所述弹性支撑件，所述第二侧壁向远离所述音圈的方向弯折延伸形成有延展部，所述延展部固定于所述盆架。
优选地，所述磁体部包括固设于所述底壁的永磁体及固设于所述永磁体远离所述底壁一侧的极芯。
 有益效果
与相关技术相比，本发明提供的发声器件通过在骨架、膜本体及球顶围合形成的点胶槽填充胶体，从而使得膜本体与骨架以及骨架与球顶的胶合强度仅需达到装配强度的情况下即能实现骨架与振膜之间的密封防水设计。
 附图说明
图1为本发明提供的发声器件的分解图。
图2为图1所示发声器件中骨架的结构示意图。
图3为图1所示发声器件中磁碗的结构示意图。
图4为图1所示发声器件组装后的立体图。
图5为图4所示发声器件沿A-A线的剖视图。
图6为图4所示发声器件沿B-B线的剖视图。
图7为图6所示发声器件中A部分的放大图。
图8为图7所示A部分去掉胶体后的结构示意图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部份实施例，而不是全部的实施例。基于本发明中的实施例，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他实施例，都属于本发明保护的范围。
如图1至图8所示，所述发声器件包括盆架1以及分别固定于所述盆架1的振动系统3及具有磁间隙5A的磁路系统5，所述磁路系统5用于驱动所述振动系统3振动发声。
所述振动系统3包括振膜31、插入所述磁间隙5A以驱动所述振膜31振动发声的音圈33以及固设于所述振膜31朝向所述磁路系统5一侧的骨架34，所述振膜31固定于所述盆架1以使得所述振动系统3固定于所述盆架1。其中，所述音圈33与外部电路电连接，所述音圈33通电后，所述音圈33在所述磁路系统5磁场的作用下振动，与此同时，所述音圈33带动所述振膜31振动发声。
所述振膜31包括固定于所述盆架1且具有切中孔351的膜本体35及设于所述切中孔351内的球顶37，所述膜本体35和所述球顶37分别与所述骨架34胶合固定，且所述骨架34、所述膜本体35及所述球顶37围合形成点胶槽38，所述点胶槽38填充有胶体a。通过在所述点胶槽38填充胶体a，可以使得膜本体35与骨架34以及骨架34与球顶37的胶合强度仅需达到装配强度的情况下即能实现骨架34与振膜31之间的密封防水设计。
其中，所述膜本体35的外周缘固定于所述盆架1；所述膜本体35的内周缘与所述球顶37间隔设置，以使得所述膜本体35和所述球顶37分别与所述骨架34胶合固定后，所述骨架34、所述膜本体35及所述球顶37围合形成所述点胶槽38。
所述膜本体35具有朝向所述点胶槽38的第一侧面353，所述球顶37具有朝向所述点胶槽38的第二侧面371。在本实施例中，所述胶体a包覆所述第一侧面353和所述第二侧面371。通过所述胶体a包覆所述第一侧面353和所述第二侧面371，可以提高密封防水性能。
在本实施例中，所述发声器件还包括与所述振膜31间隔设置的弹性支撑件7，所述骨架34包括主体部341、第一延伸部343及与所述第一延伸部343间隔设置的第二延伸部345，所述膜本体35和所述球顶37分别与所述主体部341胶合固定，且所述主体部341、所述膜本体35及所述球顶37围合形成所述点胶槽38，所述第一延伸部343和所述第二延伸部345自所述主体部341向背离所述振膜31方向延伸形成，其中，所述弹性支撑件7的一端固定于所述盆架1，其另一端固定于所述第一延伸部343；所述音圈33固定于所述第二延伸部345。其中，所述音圈33振动时，通过所述骨架34带动所述振膜31和所述弹性支撑件7一同振动。
如图3所示，所述主体部341呈环状结构，所述第一延伸部343自所述主体部341的外周缘延伸形成，所述第二延伸部345自所述主体部341的内周缘延伸形成。环状结构的所述主体部341有利于减轻所述骨架34的整体重量以降低发声器件的振动质量，从而有利于提高发声器件的灵敏度。
在本实施例中，所述第二延伸部345上设有多个豁口347，多个所述豁口347将所述第二延伸部345分隔为多个隔离岛345A。也就是说，所述音圈33固定于所述第二延伸部345的多个隔离岛345A。通过设置多个豁口347使得所述音圈33固定于所述第二延伸部345后，所述音圈33与所述第二延伸部345之间具有气流通道，该气流通道可以在发声器件振动时平衡发声器件内的气压，从而有利于提高发声器件的声学性能。
所述弹性支撑件7包括柔性电路板71和辅助振膜73。
所述柔性电路板71包括固定于所述盆架1的固持部711、固定于所述第一延伸部343的固定部713及连接所述固持部711和所述固定部713的弹性臂715。
在本实施例中，其中一所述柔性电路板71还包括自所述固定部713向所述振膜方向弯折延伸的焊盘部717，所述焊盘部717上设有与所述音圈33的引线电连接。一方面，所述柔性电路板71起支撑固定所述振动系统3的作用，另一方面所述柔性电路板71的所述固持部711和所述焊盘部717上均设有焊盘（图未示），所述弹性臂715和所述固定部713内设有导电路径以电性连接所述固持部711和所述焊盘部717上的焊盘，其中，所述焊盘部717上的焊盘与所述音圈33的引线连接起电性连接所述音圈33的作用，所述固持部711上的焊盘与外部电路连接，以使得所述音圈33通过所述柔性电路板71与外部电路电连接，发声器件工作时，外部电路的电信号通过所述柔性电路板71传输至所述音圈33。
可以理解的是，在其他实施方式中，所述柔性电路板71还可以不包括焊盘部，相应地，与所述音圈33的引线电连接的焊盘设置在所述固定部上。
所述辅助振膜73包括固设于所述固持部711远离所述盆架1一侧的第一部分731、固定于所述固定部713远离所述第一延伸部343一侧的第二部分733及连接所述第一部分731和所述第二部分733的折环735，所述折环735向背离所述柔性电路板71的方向凸起。所述辅助振膜73的设置可以提高发声器件的声学性能。
所述磁路系统5包括固持于所述盆架1的磁碗51以及收容于所述磁碗51内的磁体部53。
所述磁碗51包括底壁511及自所述底壁511周缘向所述振膜31方向弯折延伸形成的侧壁513，所述磁体部53固设于所述底壁511并与所述侧壁513间隔形成所述磁间隙5A。
所述侧壁513包括两个分别位于所述底壁511相对两侧的第一侧壁515及两个分别位于所述底壁511另外相对两侧的第二侧壁517，所述第一侧壁515远离所述音圈33的一侧设有所述弹性支撑件7，所述第二侧壁517向远离所述音圈33的方向弯折延伸形成有延展部519，所述延展部519固定于所述盆架1。
所述磁体部53包括固设于所述底壁511的永磁体531及固设于所述永磁体531远离所述底壁511一侧的极芯533。
其中，所述永磁体可以是天然磁体，也可以是人造磁体（例如，磁钢）；所述极芯533由导磁材料制成，从而可以增强所述磁间隙5A内的磁通量。
可以理解的是，在其他实施方式中，所述磁体部53可以仅为永磁体，也可以有多个永磁体和多个极芯叠加形成。
本发明提供的发声器件通过在所述点胶槽38填充胶体a，可以使得膜本体35与骨架34以及骨架34与球顶37的胶合强度仅需达到装配强度的情况下即能实现骨架34与振膜31之间的密封防水设计。
以上所述的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (9)

  1. 一种发声器件，包括盆架以及分别固定于所述盆架的振动系统和具有磁间隙的磁路系统，所述振动系统包括固定于所述盆架的振膜、插入所述磁间隙以驱动所述振膜振动发声的音圈以及固设于所述振膜朝向所述磁路系统一侧的骨架，所述振膜包括固定于所述盆架且具有切中孔的膜本体及设于所述切中孔内的球顶，所述球顶与所述膜本体间隔，所述膜本体和所述球顶分别与所述骨架胶合固定，且所述骨架、所述膜本体及所述球顶围合形成点胶槽，其特征在于：所述点胶槽填充有胶体。
  2. 根据权利要求1所述的发声器件，其特征在于：所述膜本体具有朝向所述点胶槽的第一侧面，所述球顶具有朝向所述点胶槽的第二侧面，所述胶体包覆所述第一侧面和所述第二侧面。
  3. 根据权利要求1所述的发声器件，其特征在于：所述发声器件还包括与所述振膜间隔设置的弹性支撑件，所述骨架包括主体部、第一延伸部及与所述第一延伸部间隔设置的第二延伸部，所述膜本体和所述球顶分别与所述主体部胶合固定，且所述主体部、所述膜本体及所述球顶围合形成所述点胶槽，所述第一延伸部和所述第二延伸部自所述主体部向背离所述振膜方向延伸形成，其中，所述弹性支撑件的一端固定于所述盆架，其另一端固定于所述第一延伸部；所述音圈固定于所述第二延伸部。
  4. 根据权利要求3所述的发声器件，其特征在于：所述第二延伸部上设有多个豁口，多个所述豁口将所述第二延伸部分隔为多个隔离岛。
  5. 根据权利要求3所述的发声器件，其特征在于：所述主体部呈环状结构，所述第一延伸部自所述主体部的外周缘延伸形成，所述第二延伸部自所述主体部的内周缘延伸形成。
  6. 根据权利要求3所述的发声器件，其特征在于：所述弹性支撑件包括柔性电路板和辅助振膜，所述柔性电路板包括固定于所述盆架的固持部、固定于所述第一延伸部的固定部及连接所述固持部和所述固定部的弹性臂，所述辅助振膜包括固设于所述固持部远离所述盆架一侧的第一部分、固定于所述固定部远离所述第一延伸部一侧的第二部分及连接所述第一部分和所述第二部分的折环，所述折环向背离所述柔性电路板的方向凸起。
  7. 根据权利要求3-6中任一项所述的发声器件，其特征在于：所述磁路系统包括固持于所述盆架的磁碗以及收容于所述磁碗内的磁体部，所述磁碗包括底壁及自所述底壁周缘向所述振膜方向弯折延伸形成的侧壁，所述磁体部固设于所述底壁并与所述侧壁间隔形成所述磁间隙。
  8. 根据权利要求7所述的发声器件，其特征在于：所述侧壁包括两个分别位于所述底壁相对两侧的第一侧壁及两个分别位于所述底壁另外相对两侧的第二侧壁，所述第一侧壁远离所述音圈的一侧设有所述弹性支撑件，所述第二侧壁向远离所述音圈的方向弯折延伸形成有延展部，所述延展部固定于所述盆架。
  9. 根据权利要求7所述的发声器件，其特征在于：所述磁体部包括固设于所述底壁的永磁体及固设于所述永磁体远离所述底壁一侧的极芯。
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209201338U (zh) * 2018-12-20 2019-08-02 瑞声科技(新加坡)有限公司 发声器件
WO2020140181A1 (zh) * 2018-12-30 2020-07-09 瑞声声学科技(深圳)有限公司 扬声器
CN211531294U (zh) * 2019-12-27 2020-09-18 瑞声科技(新加坡)有限公司 发声器件
CN212034341U (zh) * 2020-05-20 2020-11-27 瑞声光电科技(常州)有限公司 一种扬声器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN209201338U (zh) * 2018-12-20 2019-08-02 瑞声科技(新加坡)有限公司 发声器件
WO2020140181A1 (zh) * 2018-12-30 2020-07-09 瑞声声学科技(深圳)有限公司 扬声器
CN211531294U (zh) * 2019-12-27 2020-09-18 瑞声科技(新加坡)有限公司 发声器件
CN212034341U (zh) * 2020-05-20 2020-11-27 瑞声光电科技(常州)有限公司 一种扬声器

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