WO2022067979A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2022067979A1
WO2022067979A1 PCT/CN2020/127999 CN2020127999W WO2022067979A1 WO 2022067979 A1 WO2022067979 A1 WO 2022067979A1 CN 2020127999 W CN2020127999 W CN 2020127999W WO 2022067979 A1 WO2022067979 A1 WO 2022067979A1
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WO
WIPO (PCT)
Prior art keywords
dome
vibrating
vibration
sound
ring portion
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/CN2020/127999
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English (en)
French (fr)
Inventor
陆冬
王常亮
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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Application filed by AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022067979A1 publication Critical patent/WO2022067979A1/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
    • H04R7/02—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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/08—Microphones

Definitions

  • the utility model relates to the field of electro-acoustic conversion, in particular to a sound-emitting device used in portable electronic products.
  • a vibrating membrane in an existing sound-emitting device includes a vibrating portion, a ring portion bent and extended outward from a peripheral edge of the vibrating portion, a fixing portion bent and extended from a side of the ring portion away from the vibrating portion, and
  • the spherical top attached to the vibration part, the spherical top and the vibration part are both in the shape of a flat plate, and the spherical top and the vibration part are bonded by central glue.
  • the purpose of the present invention is to overcome the above technical problems and provide a sounding device with high reliability and better acoustic performance.
  • the present invention provides a sound-generating device, which includes a vibration system and a magnetic circuit system that drives the vibration system to vibrate and sound, the magnetic circuit system has a magnetic gap, and the vibration system includes a vibrating membrane and an insert.
  • a glue-receiving groove for accommodating glue is formed by concave in the direction away from the dome, and the projection of the glue-receiving groove to the dome along the vibration direction of the diaphragm falls at least partially within the contour range of the dome.
  • the diaphragm also includes a central adhesive layer sandwiched between the vibrating portion and the dome, the central adhesive layer is at least partially accommodated in the adhesive groove, and the dome is attached and fixed to the dome. Vibration Department.
  • a plurality of the patterns are annularly arranged along the outer periphery of the vibrating portion and are arranged adjacent to the patterns at intervals.
  • the edge of the dome is located in the orthographic projection of the glue container along the vibration direction of the diaphragm.
  • the dome comprises a first surface fixedly connected with the vibrating part, a second surface opposite to the first surface, and a side surface connecting the first surface and the second surface, so The central adhesive layer at least partially covers the side surface.
  • the spacing between two adjacent patterns is 0.15mm ⁇ 0.25mm.
  • the horizontal distance between one end of the pattern away from the folded ring portion and the outer edge of the spherical top is 0.2 mm to 0.3 mm.
  • the vibrating portion is provided with a through hole therethrough, and the dome is attached to a side of the vibrating portion close to the magnetic circuit system and completely covers the through hole.
  • the folded ring portion is further provided with a plurality of folds, and the plurality of folds are radially distributed along the direction of the folded ring portion close to the inner edge of the vibrating portion and toward the outer edge of the fixed portion.
  • the folding ring portion comprises a first folding ring portion arranged oppositely, a second folding ring portion arranged oppositely, and a rounded portion connecting the adjacent first folding ring portion and the second folding ring portion,
  • the pleats are arranged on the rounded corners.
  • the vibration system further includes a voice coil skeleton, the voice coil is fixed to the dome through the voice coil skeleton, and the voice coil skeleton is provided with at least one opening passing through the voice coil skeleton.
  • the vibrating portion is provided with a pattern group, and the pattern group includes a plurality of patterns arranged along the outer periphery of the vibrating portion;
  • the side of the vibrating portion close to the folded ring portion extends in the direction of approaching the dome, and the pattern is recessed from the side of the vibrating portion close to the dome to the direction away from the dome to form a receiving glue
  • the glue container, the projection of the glue container to the dome along the vibration direction of the diaphragm at least partially falls within the contour range of the dome, and the diaphragm also includes a A central adhesive layer between the part and the dome, the central adhesive layer is at least partially accommodated in the adhesive groove and the dome is attached and fixed to the vibrating part.
  • the arrangement of this structure makes the stress on the vibrating portion and the dome evenly distributed, so that the vibrating membrane can vibrate smoothly and prevent the vibrating membrane from being broken due to uneven vibration.
  • the above structure can greatly reduce the probability of failure of the vibration part and the dome separation, reduce the failure problem of the sounding device, and further improve the reliability of the sounding device.
  • Fig. 1 is the stereoscopic structure schematic diagram of the sound-emitting device of the present invention
  • Fig. 2 is the partial three-dimensional structure exploded schematic diagram of the sound-emitting device of the present invention
  • Fig. 3 is the vibrating membrane structure schematic diagram of the sound-emitting device of the present invention.
  • Fig. 4 is a sectional view taken along the line A-A in Fig. 1
  • Fig. 5 is a sectional view along line B-B in Fig. 3;
  • FIG. 6 is a partial enlarged view along part C in FIG. 5 .
  • the present invention provides a sound-emitting device 100, which includes a vibration system 1 and a magnetic circuit system 2 for driving the vibration system 1 to vibrate and sound, and the magnetic circuit system 2 has a magnetic gap 20 .
  • the vibration system 1 includes a diaphragm 11 and a voice coil 12 inserted in the magnetic gap 20 to drive the diaphragm 11 to vibrate and produce sound.
  • the vibrating membrane 11 includes a vibrating portion 111 , a ring portion 112 that is bent and extended outward from the periphery of the vibrating portion 111 , and a fixed portion that is bent and extended from the side of the ring portion 112 away from the vibrating portion 111 . part 113 and the dome 114 attached to the vibrating part 111 .
  • the vibrating portion 111 is provided with a pattern group 115, and the pattern group 115 includes a plurality of patterns 1151 arranged along the outer periphery of the vibrating portion; each pattern 1151 is generated by the vibration
  • the side of the portion 111 close to the ring portion 112 extends toward the dome 114 , and the pattern 1151 is recessed from the side of the vibrating portion 111 close to the dome 114 to the direction away from the dome 114
  • a glue groove 116 for accommodating glue is formed, and the projection of the glue groove 116 along the vibration direction of the diaphragm 11 to the dome 114 at least partially falls within the contour of the dome 114 .
  • the diaphragm 11 further includes a central adhesive layer 117 sandwiched between the vibrating portion 111 and the dome 114 , the central adhesive layer 117 is at least partially accommodated in the adhesive groove 116 and the The dome 114 is attached and fixed to the vibration part 111 .
  • the arrangement of this structure makes the stress on the vibrating portion 111 and the dome 114 level and evenly distributed, so that the vibrating membrane 11 can vibrate smoothly and prevent the vibrating membrane 10 from cracking due to uneven vibration.
  • the above structure can greatly reduce the separation failure probability of the vibration part 111 and the dome 114, reduce the failure problem of the sound-emitting device, and further improve the sound-emitting device 100. reliability.
  • a plurality of the patterns 1151 are annularly arranged along the outer periphery of the vibrating portion 111 and are arranged adjacent to the patterns at intervals.
  • the arrangement of this structure increases the fatigue resistance of the diaphragm 11 and further improves the reliability of the sounding device 100.
  • the patterns 1151 can also be irregularly arranged, and the specific arrangement can be determined according to actual settings.
  • the edge of the dome 114 is located in the orthographic projection of the adhesive groove 116 along the vibration direction of the diaphragm 11 .
  • the distance between two adjacent patterns 1151 is 0.15mm ⁇ 0.25mm.
  • the horizontal distance d between the end of the pattern 1151 away from the folded ring portion 112 and the outer edge of the dome 114 is 0.2 mm ⁇ 0.3 mm.
  • the vibrating portion 111 is provided with a through hole 1111 therethrough, and the dome 114 is attached to a side of the vibrating portion 111 close to the magnetic circuit system 2 and completely covers the through hole 1111 .
  • the folded ring portion 112 is further provided with a plurality of pleats 118 , and the plurality of folds 118 are formed along the inner edge of the folded ring portion 112 close to the vibration portion 111 toward the outer edge of the fixed portion 113 .
  • the directions of the edges are radially distributed, and the arrangement of this structure reduces high-order harmonic distortion and improves the fatigue resistance of the diaphragm 11 , so that the acoustic performance of the sound-emitting device 100 is better.
  • the folding ring portion 112 includes a first folding ring portion 1121 arranged oppositely, a second folding ring portion 1122 arranged oppositely, and connecting the adjacent first folding ring portion 1121 and the second folding ring portion 1122
  • the rounded corners 1123 of the folds 118 are arranged on the rounded corners 1123 .
  • the dome 114 includes a first surface 1141 fixedly connected with the vibrating portion 111 , a second surface 1142 disposed opposite to the first surface 1141 , and connecting the first surface 1141 with the first surface 1141 .
  • the side surfaces 1143 of the two surfaces 1142, the central adhesive layer 117 at least partially covers the side surfaces 1143.
  • the vibration system 1 further includes a voice coil skeleton 13 , the voice coil 12 is fixed to the dome 114 through the voice coil skeleton 13 , and the voice coil skeleton 13 is provided with At least one opening 131 of the voice coil bobbin 13 is penetrated.
  • the setting of the opening 131 is used to balance the internal and external air pressure of the voice coil 12 , ensure better vibration of the diaphragm 11 , and further improve the acoustic performance of the sound-emitting device 100 .
  • the sounding device 100 further includes a basin frame 3, the fixing portion 113 of the diaphragm 11 is supported and fixed to the basin frame 3, and the magnetic circuit system 2 includes a magnetic yoke 21 fixed to the basin frame, a The main magnetic steel 22 of the yoke 21 , the auxiliary magnetic steel 23 located on opposite sides of the main magnetic steel 22 and spaced apart from the main magnetic steel 22 to form the magnetic gap 20 , and the auxiliary magnetic steel 23 stacked on the auxiliary magnetic steel 22 .
  • the upper splint 24 of the magnetic steel 23 is not limited to the basin frame 3, the fixing portion 113 of the diaphragm 11 is supported and fixed to the basin frame 3, and the magnetic circuit system 2 includes a magnetic yoke 21 fixed to the basin frame, a The main magnetic steel 22 of the yoke 21 , the auxiliary magnetic steel 23 located on opposite sides of the main magnetic steel 22 and spaced apart from the main magnetic steel 22 to form the magnetic gap 20 , and the auxiliary magnetic steel 23 stacked on the auxiliary magnetic steel 22
  • the vibrating portion is provided with a pattern group, and the pattern group includes a plurality of patterns arranged along the outer periphery of the vibrating portion;
  • the side of the vibrating portion close to the folded ring portion extends in the direction of approaching the dome, and the pattern is recessed from the side of the vibrating portion close to the dome to the direction away from the dome to form a receiving glue
  • the glue container, the projection of the glue container along the vibration direction of the diaphragm to the dome at least partially falls within the contour range of the dome.
  • the diaphragm also includes a central adhesive layer sandwiched between the vibrating portion and the dome, the central adhesive layer is at least partially accommodated in the adhesive groove and the dome is attached and fixed to the dome. the vibrating part.
  • the arrangement of this structure makes the stress on the vibrating portion and the dome evenly distributed, so that the vibrating membrane can vibrate smoothly and prevent the vibrating membrane from being broken due to uneven vibration.
  • the above structure can greatly reduce the probability of failure of the vibration part and the dome separation, reduce the failure problem of the sounding device, and further improve the reliability of the sounding device.

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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

本实用新型发声器件包括振动系统和磁路系统，振动系统包括振膜，振膜包括振动部、由振动部的周缘向外弯折延伸的折环部、由折环部远离振动部的一侧弯折延伸的固定部及贴设于振动部的球顶；振动部上设有花纹群，花纹群包括多条沿振动部的外周缘排布的花纹；每一花纹由振动部靠近折环部的一侧向靠近球顶方向延伸，花纹凹陷形成收容胶水的容胶槽，容胶槽沿振膜的振动方向向球顶的投影至少部分落于球顶的轮廓范围内。，振膜还包括夹设于振动部与球顶之间的中心胶层，中心胶层至少部分收容于容胶槽内并将球顶贴合固定于振动部。与相关技术相比，本实用新型的发声器件能降低振膜和球顶分离失效概率，减少产品失效问题。

Description

发声器件 技术领域
本实用新型涉及电声转换领域，尤其涉及一种运用于便携式电子产品的发声器件。
背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。目前，手机的功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的发声器件被大量应用到现在的智能移动设备之中。
现有发声器件中的振膜包括振动部、由所述振动部的周缘向外弯折延伸的折环部、由所述折环部远离所述振动部的一侧弯折延伸的固定部以及贴设于所述振动部的球顶，所述球顶与所述振动部均呈平板状，且所述球顶与所述振动部之间通过中心胶胶合粘接。
然而，随着发声器件振幅要求的提高，大振幅下振膜和球顶分离失效，进而导致发声器件无法正常工作。
因此，实有必要提供一种新的发声器件解决上述技术问题。
 技术问题
本实用新型的目的是克服上述技术问题，提供一种可靠性高且声学性能更优的发声器件。
 技术解决方案
为了实现上述目的，本实用新型提供一种发声器件，其包括振动系统和驱动所述振动系统振动发声的磁路系统，所述磁路系统具有磁间隙，所述振动系统包括振膜和插设于所述磁间隙内以驱动所述振膜振动发声的音圈，所述振膜包括振动部、由所述振动部的周缘向外弯折延伸的折环部、由所述折环部远离所述振动部的一侧弯折延伸的固定部以及贴设于所述振动部的球顶；所述振动部上设有花纹群，所述花纹群包括多条沿所述振动部的外周缘排布的花纹；每一所述花纹由所述振动部靠近所述折环部的一侧向靠近所述球顶方向延伸，所述花纹自所述振动部靠近所述球顶的一侧向远离所述球顶方向凹陷形成收容胶水的容胶槽，所述容胶槽沿所述振膜的振动方向向所述球顶的投影至少部分落于所述球顶的轮廓范围内，所述振膜还包括夹设于所述振动部与所述球顶之间的中心胶层，所述中心胶层至少部分收容于所述容胶槽内并将所述球顶贴合固定于所述振动部。
优选的，多条所述花纹沿所述振动部的外周缘呈环状排布且相邻所述花纹间隔设置。
优选的，所述球顶的边缘位于所述容胶槽沿所述振膜的振动方向上的正投影内。
优选的，所述球顶包括与所述振动部固定连接的第一表面、与所述第一表面相对设置的第二表面以及连接所述第一表面与所述第二表面的侧表面，所述中心胶层至少部分覆盖所述侧表面。
优选的，两条相邻的所述花纹的间距为0.15mm~0.25mm。
优选的，所述花纹远离所述折环部的一端与所述球顶外边缘的水平距离为0.2mm~0.3mm。
优选的，所述振动部设有贯穿其上的通孔，所述球顶贴设于所述振动部靠近所述磁路系统一侧且完全覆盖所述通孔。
优选的，所述折环部还设有多个褶皱，该多个褶皱沿所述折环部靠近所述振动部的内边缘朝靠近所述固定部的外边缘的方向呈放射状分布。
优选的，所述折环部包括相对设置的第一折环部、相对设置的第二折环部以及连接相邻所述第一折环部和所述第二折环部的圆角部，所述褶皱设置于所述圆角部。
优选的，所述振动系统还包括音圈骨架，所述音圈通过所述音圈骨架固定于所述球顶，所述音圈骨架设有贯穿所述音圈骨架的至少一个开口。
 有益效果
与现有技术相比，本实用新型的发声器件中，所述振动部上设有花纹群，所述花纹群包括多条沿所述振动部的外周缘排布的花纹；每一所述花纹由所述振动部靠近所述折环部的一侧向靠近所述球顶方向延伸，所述花纹自所述振动部靠近所述球顶的一侧向远离所述球顶方向凹陷形成收容胶水的容胶槽，所述容胶槽沿所述振膜的振动方向向所述球顶的投影至少部分落于所述球顶的轮廓范围内，所述振膜还包括夹设于所述振动部与所述球顶之间的中心胶层，所述中心胶层至少部分收容于所述容胶槽内并将所述球顶贴合固定于所述振动部。该结构的设置，使所述振动部与所述球顶上的应力水平且均匀分布，从而使所述振膜能够平稳振动，防止所述振膜因振动不平稳产生破裂。另外，当所述振膜大幅度振动时，上述结构能极大降低了所述振动部和球顶分离失效概率，减少了所述发声器件失效问题，进而提高了所述发声器件的可靠性。
 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为本实用新型发声器件的立体结构示意图；
图2为本实用新型发声器件的部分立体结构分解示意图；
图3为本实用新型发声器件的振膜结构示意图；
图4为沿图1中A-A线的剖视图
图5为沿图3中B-B线的剖视图；
图6为沿图5中C部分的局部放大图。
 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1-4所示，本实用新型提供一种发声器件100，其包括振动系统1和驱动所述振动系统1振动发声的磁路系统2，所述磁路系统2具有磁间隙20。
所述振动系统1包括振膜11和插设于所述磁间隙20内以驱动所述振膜11振动发声的音圈12。
所述振膜11包括振动部111、由所述振动部111的周缘向外弯折延伸的折环部112、由所述折环部112远离所述振动部111的一侧弯折延伸的固定部113以及贴设于所述振动部111的球顶114。
在本实施例中，所述振动部111上设有花纹群115，所述花纹群115包括多条沿所述振动部的外周缘排布的花纹1151；每一所述花纹1151由所述振动部111靠近所述折环部112的一侧向靠近所述球顶114方向延伸，所述花纹1151自所述振动部111靠近所述球顶114的一侧向远离所述球顶114方向凹陷形成收容胶水的容胶槽116，所述容胶槽116沿所述振膜11的振动方向向所述球顶114的投影至少部分落于所述球顶114的轮廓范围内。所述振膜11还包括夹设于所述振动部111与所述球顶114之间的中心胶层117，所述中心胶层117至少部分收容于所述容胶槽116内并将所述球顶114贴合固定于所述振动部111。该结构的设置，使所述振动部111与所述球顶114上的应力水平且均匀分布，从而使所述振膜11能够平稳振动，防止所述振膜10因振动不平稳产生破裂。另外，当所述振膜11大幅度振动时，上述结构能极大降低了所述振动部111和球顶114分离失效概率，减少了所述发声器件失效问题，进而提高了所述发声器件100的可靠性。
在本实施例中，多条所述花纹1151沿所述振动部111的外周缘呈环状排布且相邻所述花纹间隔设置。该结构的设置，增加了所述振膜11的抗疲劳强度，进一步提高所述发声器件100的可靠性，当然，所述花纹1151也可以是不规则排布，其具体的排布方式可根据实际情况进行设置。
需要说明的是，为了减少所述振膜的抗拉应力及剪切应力，所述球顶114的边缘位于所述容胶槽116沿所述振膜11的振动方向上的正投影内。
优选的，两条相邻的所述花纹1151的间距为0.15mm~0.25mm。所述花纹1151远离所述折环部112的一端与所述球顶114外边缘的水平距离d为0.2mm~0.3mm。
具体的，所述振动部111设有贯穿其上的通孔1111，所述球顶114贴设于所述振动部111靠近所述磁路系统2一侧且完全覆盖所述通孔1111。
在本实施例中，所述折环部112还设有多个褶皱118，该多个褶皱118沿所述折环部112靠近所述振动部111的内边缘朝靠近所述固定部113的外边缘的方向呈放射状分布，该结构的设置，降低了高次谐波失真，提高了振膜11的抗疲劳强度，从而使所述发声器件100的声学性能更优。
进一步的，所述折环部112包括相对设置的第一折环部1121、相对设置的第二折环部1122以及连接相邻所述第一折环部1121和所述第二折环部1122的圆角部1123，所述褶皱118设置于所述圆角部1123。
更进一步的，所述球顶114包括与所述振动部111固定连接的第一表面1141、与所述第一表面1141相对设置的第二表面1142以及连接所述第一表面1141与所述第二表面1142的侧表面1143，所述中心胶层117至少部分覆盖所述侧表面1143。
更优的，在本实施例中，所述振动系统1还包括音圈骨架13，所述音圈12通过所述音圈骨架13固定于所述球顶114，所述音圈骨架13设有贯穿所述音圈骨架13的至少一个开口131。所述开口131的设置用于平衡所述音圈12的内外气压，保证所述振膜11更好的振动，进一步提高所述发声器件100的声学性能。
所述发声器件100还包括盆架3，所述振膜11的所述固定部113支撑固定于所述盆架3，所述磁路系统2包括固定于所述盆架的磁轭21、固定于所述磁轭21的主磁钢22、分别位于所述主磁钢22相对两侧且与所述主磁钢22间隔形成所述磁间隙20的副磁钢23以及叠设于所述副磁钢23的上夹板24。
与现有技术相比，本实用新型的发声器件中，所述振动部上设有花纹群，所述花纹群包括多条沿所述振动部的外周缘排布的花纹；每一所述花纹由所述振动部靠近所述折环部的一侧向靠近所述球顶方向延伸，所述花纹自所述振动部靠近所述球顶的一侧向远离所述球顶方向凹陷形成收容胶水的容胶槽，所述容胶槽沿所述振膜的振动方向向所述球顶的投影至少部分落于所述球顶的轮廓范围内。所述振膜还包括夹设于所述振动部与所述球顶之间的中心胶层，所述中心胶层至少部分收容于所述容胶槽内并将所述球顶贴合固定于所述振动部。该结构的设置，使所述振动部与所述球顶上的应力水平且均匀分布，从而使所述振膜能够平稳振动，防止所述振膜因振动不平稳产生破裂。另外，当所述振膜大幅度振动时，上述结构能极大降低了所述振动部和球顶分离失效概率，减少了所述发声器件失效问题，进而提高了所述发声器件的可靠性。
以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本实用新型的专利保护范围内。

Claims (10)

  1. 一种发声器件，其包括振动系统和驱动所述振动系统振动发声的磁路系统，所述磁路系统具有磁间隙，所述振动系统包括振膜和插设于所述磁间隙内以驱动所述振膜振动发声的音圈，所述振膜包括振动部、由所述振动部的周缘向外弯折延伸的折环部、由所述折环部远离所述振动部的一侧弯折延伸的固定部以及贴设于所述振动部的球顶；其特征在于，所述振动部上设有花纹群，所述花纹群包括多条沿所述振动部的外周缘排布的花纹；每一所述花纹由所述振动部靠近所述折环部的一侧向靠近所述球顶方向延伸，所述花纹自所述振动部靠近所述球顶的一侧向远离所述球顶方向凹陷形成收容胶水的容胶槽，所述容胶槽沿所述振膜的振动方向向所述球顶的投影至少部分落于所述球顶的轮廓范围内，所述振膜还包括夹设于所述振动部与所述球顶之间的中心胶层，所述中心胶层至少部分收容于所述容胶槽内并将所述球顶贴合固定于所述振动部。
  2. 根据权利要求1所述的发声器件，其特征在于，多条所述花纹沿所述振动部的外周缘呈环状排布且相邻所述花纹间隔设置。
  3. 根据权利要求1所述的发声器件，其特征在于，所述球顶的边缘位于所述容胶槽沿所述振膜的振动方向上的正投影内。
  4. 根据权利要求1所述的发声器件，其特征在于，所述球顶包括与所述振动部固定连接的第一表面、与所述第一表面相对设置的第二表面以及连接所述第一表面与所述第二表面的侧表面，所述中心胶层至少部分覆盖所述侧表面。
  5. 根据权利要求2所述的发声器件，其特征在于，两条相邻的所述花纹的间距为0.15mm~0.25mm。
  6. 根据权利要求1所述的发声器件，其特征在于，所述花纹远离所述折环部的一端与所述球顶外边缘的水平距离为0.2mm~0.3mm。
  7. 根据权利要求1所述的发声器件，其特征在于，所述振动部设有贯穿其上的通孔，所述球顶贴设于所述振动部靠近所述磁路系统一侧且完全覆盖所述通孔。
  8. 根据权利要求1所述的发声器件，其特征在于，所述折环部还设有多个褶皱，该多个褶皱沿所述折环部靠近所述振动部的的内边缘朝靠近所述固定部的外边缘的方向呈放射状分布。
  9. 根据权利要求8所述的发声器件，其特征在于，所述折环部包括相对设置的第一折环部、相对设置的第二折环部以及连接相邻所述第一折环部和所述第二折环部的圆角部，所述褶皱设置于所述圆角部。
  10. 根据权利要求1所述的发声器件，其特征在于，所述振动系统还包括音圈骨架，所述音圈通过所述音圈骨架固定于所述球顶，所述音圈骨架设有贯穿所述音圈骨架的至少一个开口。
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