WO2022007173A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2022007173A1
WO2022007173A1 PCT/CN2020/114316 CN2020114316W WO2022007173A1 WO 2022007173 A1 WO2022007173 A1 WO 2022007173A1 CN 2020114316 W CN2020114316 W CN 2020114316W WO 2022007173 A1 WO2022007173 A1 WO 2022007173A1
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WO
WIPO (PCT)
Prior art keywords
dome
vibration
sound
voice coil
receiving groove
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/CN2020/114316
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English (en)
French (fr)
Inventor
马利鹏
狄勋
陈敏敏
毛远翔
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
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 AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022007173A1 publication Critical patent/WO2022007173A1/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
    • 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 utility model relates to the field of sound and electricity, in particular to a sound producing device used in portable electronic products.
  • the sound-generating device of the related art includes a basin frame, a vibration system and a magnetic circuit system respectively fixed to the basin frame, and the magnetic circuit system is used to drive the vibration system to vibrate and emit sound;
  • the dome on the surface of the diaphragm close to one side of the magnetic circuit system and the voice coil connected to the dome, the voice coil drives the diaphragm to vibrate and produce sound through the dome.
  • the purpose of the utility model is to provide a sounding device with excellent high-frequency acoustic performance.
  • the present invention provides a sound-emitting device, which includes a basin frame and a vibration system fixed on the basin frame, the vibration system A voice coil that vibrates and emits sound, the diaphragm includes a vibrating portion, a ring portion extending outward from the periphery of the vibrating portion, and a side extending away from the vibrating portion from the ring portion and being fixed to the basin
  • the fixed part of the frame; the side of the vibration part close to the voice coil is recessed along the vibration direction of the diaphragm to form a first receiving groove, and the vibration system also includes a first receiving groove fixedly received in the first receiving groove.
  • a dome and a second dome fixedly embedded in the vibrating part and covered on the first dome close to the voice coil, the second dome is partially exposed to the vibrating part, and the sound
  • the ring is connected to the side of the second dome away from the first dome.
  • a side of the vibrating portion close to the voice coil is recessed along the vibration direction to form a second accommodating groove, the second accommodating groove is arranged around the first accommodating groove, and the second dome is fixedly accommodated in the second receiving groove.
  • the second dome completely covers the first receiving groove.
  • a side of the second dome close to the first dome is recessed along the vibration direction to form a positioning groove opposite to the first accommodating groove; a part of the first dome is fixedly accommodated in a In the first accommodating groove, the other part is inserted in the positioning groove and fixed with the second dome.
  • a support wall is provided on a side of the vibrating portion close to the voice coil, the support wall is arranged around the second receiving groove and extends in a direction close to the voice coil, and the support wall abuts against the voice coil. the second dome.
  • the first spherical top, the second spherical top and the diaphragm are integrally formed.
  • the first dome and the second dome are integrally formed.
  • the orthographic projection of the first spherical top to the second spherical top along the vibration direction is completely within the range of the second spherical top.
  • the diaphragm is made of silicone or rubber material; the first dome is made of one of PET, PEN, PI, LCP and MCPET; the second dome is PET, PEN , PI, LCP and MCPET in one of the materials.
  • the vibrating film includes a vibrating portion, a folded ring portion extending outward from the periphery of the vibrating portion, and a fixing portion extending from the folded ring portion away from the vibrating portion and fixed to the basin frame.
  • the side of the vibration part close to the voice coil is recessed along the vibration direction of the diaphragm to form a first receiving groove
  • the vibration system also includes a first dome fixedly received in the first receiving groove, and a first dome fixedly embedded in the dome top and covered with
  • the first dome is close to the second dome of the voice coil, the second dome is partially exposed to the vibrating part, and the voice coil is connected to the side of the second dome away from the first dome; in the above structure, through the first dome
  • the combination with the second dome effectively improves the overall stiffness of the diaphragm.
  • the vibration of the diaphragm is smoother, which more effectively avoids the appearance of high-frequency peaks and valleys, reduces distortion, and optimizes the sound-emitting device. high frequency acoustic performance.
  • Embodiment 1 is a schematic three-dimensional structure diagram of Embodiment 1 of the sound-emitting device of the present invention.
  • Embodiment 1 of the sound-emitting device of the present invention
  • FIG. 3 is an exploded view of a partial three-dimensional structure from another angle of Embodiment 1 of the sound-emitting device of the present invention
  • Fig. 4 is a sectional view along line A-A in Fig. 1;
  • Fig. 5 is a partial enlarged view of the part shown in B in Fig. 4;
  • Embodiment 6 is an exploded view of a partial three-dimensional structure of Embodiment 2 of the sound-emitting device of the present invention.
  • FIG. 7 is a schematic cross-sectional view of a partial structure of the second embodiment of the sound-emitting device of the present invention.
  • the present invention provides a sound-generating device 100 , which includes a basin frame 1 , a vibration system 2 fixed on the basin frame 1 , and a magnetic circuit system 3 ; the magnetic circuit system 3 has a magnetic circuit system 3 . Gap 30.
  • the vibration system 2 includes a vibrating membrane 21 fixed on the basin frame 1 , a voice coil 22 for driving the vibrating membrane 21 to vibrate and sound, and a first dome 23 and The second dome 24 .
  • the diaphragm 21 is recessed along its vibration direction to form a first receiving groove 2101 , the first dome 23 is fixedly received in the first receiving groove 2101 , and the second dome 24 Fixedly embedded in the diaphragm 21 and covered on the first dome 23 close to the voice coil 22 , the voice coil 22 is connected to the second dome 24 away from the first dome 23 .
  • One side is inserted into the magnetic gap 30 .
  • the side of the diaphragm 21 close to the second dome 24 is recessed along the vibration direction to form a second receiving groove 2102 , and the second receiving groove 2102 is arranged around the first receiving groove 2101 .
  • the second dome 24 is fixedly accommodated in the second accommodating groove 2102, and through the setting of the second accommodating groove 2102, the second dome 24 can be effectively fixed and accommodated in the inner space of the diaphragm 21, which improves the The space utilization rate of the diaphragm 21 avoids the setting of the second spherical top 24 from occupying the vibration space.
  • the vibrating membrane 21 includes a vibrating portion 211 , a ring portion 212 extending outward from the periphery of the vibrating portion 211 , and a side extending away from the vibrating portion 211 from the ring portion 212 and being fixed on the vibrating portion 211 .
  • the fixing part 213 of the basin stand 1 is a part of the basin stand 1 .
  • the first receiving groove 2101 is formed by the side of the vibrating part 211 close to the voice coil 22 being recessed along the vibration direction of the diaphragm 21
  • the second receiving groove 2102 is formed by the vibrating part 211 close to the One side of the voice coil 22 is recessed along the vibration direction of the diaphragm 21
  • the first spherical top 23 and the second spherical top 24 are respectively attached and fixed to the vibration part 211
  • the second spherical top The top 24 is partially exposed on the vibrating portion 211
  • the voice coil 22 is connected to the side of the second spherical top 24 away from the vibrating membrane 21 .
  • the second dome 24 completely covers the first receiving groove 2101; more specifically, the end surface of the diaphragm 21 close to the second dome 24 and the first dome 23 close to the second dome
  • the end surfaces of the tops 24 are located on the same plane, and the end surfaces of the first spherical tops 23 close to the second spherical tops 24 abut against the second spherical tops 24 .
  • the orthographic projection of the first spherical top 23 to the second spherical top 24 along the vibration direction of the diaphragm 21 is completely within the range of the second spherical top 24 .
  • the overall rigidity of the diaphragm 21 is effectively improved through the cooperative arrangement of the first dome 23 and the second dome 24, and the vibration of the diaphragm 21 is smoother during high frequency vibration. , the occurrence of high-frequency peaks and valleys is more effectively avoided, the distortion phenomenon is reduced, and the high-frequency acoustic performance of the sound-emitting device 100 is optimized.
  • a support wall 2111 is provided on the side of the vibration part 211 close to the voice coil 22 .
  • 2111 surrounds the second receiving groove 2102 and extends toward the voice coil 22, the support wall 2111 abuts against the second dome 24, and the support wall 2111 is the second dome
  • the bottom of 24 provides support, so that the second dome 24 is not easy to fall off from the diaphragm 21 , thereby improving the fixing reliability between the two, making the sound-emitting device 100 more reliable.
  • the film 21 is an integral molding structure.
  • first dome 23 and the second dome 24 are integrally formed, and this arrangement not only improves the reliability of the fixation between the first dome 23 and the second dome 24, but also effectively simplifies the assembly process.
  • the diaphragm 21 is made of silicone or rubber
  • the first dome 23 is PET (Polyethylene terephthalate, namely polyethylene terephthalate), PEN (Polyethylene naphthalate two formic acid glycol ester, namely polyethylene terephthalate), PI (Polyimide, namely polyimide), LCP (Liquid Crystal Polymer, namely liquid crystal polymer) and MCPET (Micro Cellular PET (polyethylene terephthalate) Terephthalate (that is, nano-reflector) is made of one of the materials
  • the structure of the first dome 23 can be an aluminum foil sandwich structure dome or a carbon fiber sandwich structure dome
  • the second dome 24 is PET ( Polyethylene terephthalate, namely polyethylene terephthalate), PEN (Polyethylene naphthalate two formic acid glycol ester, namely polyethylene terephthalate), PI (Polyimide, namely polyimide), LCP (Liquid Crystal Polymer,
  • the specific materials or structural forms of the diaphragm 21, the first dome 23 and the second dome 24 can be specifically set according to the actual situation. Conventional materials for membrane, first dome and second dome.
  • the magnetic circuit system 3 includes a magnetic bowl 31 fixed to the basin frame 1 , a main magnetic steel 32 fixed to the magnetic bowl 31 , and two first auxiliary magnetic steels fixed to opposite sides of the main magnetic steel 32 .
  • the two first auxiliary magnetic steels 33 and the two second auxiliary magnetic steels 34 are spaced apart from the main magnetic steel 32 to form the magnetic gap 30 .
  • FIGS. 6-7 illustrate the sound-emitting device 100 a of the second embodiment.
  • FIG. 6 is a schematic diagram of another embodiment of the structure shown in FIG. 3
  • FIG. 7 is substantially another embodiment of the structure shown in FIG. 5 .
  • the sound-emitting device 100a of the second embodiment is a derivative implementation of the sound-emitting device of the first embodiment, and the structures of the two are basically the same, and the same parts will not be repeated one by one.
  • the main difference is that:
  • the second spherical top 24a is recessed along the vibration direction of the diaphragm 21a to form a positioning groove 240a opposite to the first receiving groove 2101a; a part of the first spherical top 23a is fixedly received in the first receiving groove 2101a, and the other part is inserted into the positioning groove 2101a.
  • the groove 240a is fixed with the second dome 24a.
  • the positioning groove 240a allows the first dome 23a and the second dome 24a to be inserted and fixed to each other, effectively improving the fixing reliability between the two, and better improving the reliability of the structure formed by the two. stiffness.
  • the vibrating film includes a vibrating portion, a folded ring portion extending outward from the periphery of the vibrating portion, and a fixing portion extending from the folded ring portion away from the vibrating portion and fixed to the basin frame.
  • the side of the vibration part close to the voice coil is recessed along the vibration direction of the diaphragm to form a first receiving groove
  • the vibration system also includes a first dome fixedly received in the first receiving groove, and a first dome fixedly embedded in the dome top and covered with
  • the first dome is close to the second dome of the voice coil, the second dome is partially exposed to the vibrating part, and the voice coil is connected to the side of the second dome away from the first dome; in the above structure, through the first dome
  • the combination with the second dome effectively improves the overall stiffness of the diaphragm.
  • the vibration of the diaphragm is smoother, which more effectively avoids the appearance of high-frequency peaks and valleys, reduces distortion, and optimizes the sound-emitting device. high frequency acoustic performance.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

本申请提供一种发声器件，其包括盆架以及固定于盆架的振动系统，振动系统包括固定于盆架的振膜以及用于驱动振膜振动发声的音圈，振膜包括振动部、由振动部的周缘向外延伸的折环部以及由折环部远离振动部一侧延伸并固定于盆架的固定部；振动部靠近音圈的一侧沿振膜的振动方向凹陷形成第一收容槽，振动系统还包括固定收容于第一收容槽内的第一球顶以及固定嵌设于振动部并盖设于第一球顶靠近音圈的第二球顶，第二球顶部分外露于振动部，音圈连接于第二球顶远离第一球顶的一侧。与相关技术相比，本申请的发声器件高频声学性能优。

Description

发声器件 技术领域
本实用新型涉及声电领域，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。用于播放声音的发声器件被大量应用到现在的手机等智能移动设备之中。
相关技术的发声器件，其包括盆架以及分别固定于盆架的振动系统和磁路系统，磁路系统用以驱动振动系统振动发声；振动系统包括固定于盆架的振膜、贴设固定于振膜靠近磁路系统一侧的表面上的球顶以及连接于球顶的音圈，音圈通过球顶驱动振膜振动发声。
 技术问题
然而，相关技术中，在高频振动时，振膜的振动容易出现高频峰谷，从而导致失真现象，限制了高频声学性能。
因此，实有必要提供一种新的发声器件解决上述技术问题。
 技术解决方案
本实用新型的目的在于提供一种高频声学性能优的发声器件。
为达到上述目的，本实用新型提供一种发声器件，其包括盆架以及固定于所述盆架的振动系统，所述振动系统包括固定于所述盆架的振膜以及用于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延伸的折环部以及由所述折环部远离所述振动部一侧延伸并固定于所述盆架的固定部；所述振动部靠近所述音圈的一侧沿所述振膜的振动方向凹陷形成第一收容槽，所述振动系统还包括固定收容于所述第一收容槽内的第一球顶以及固定嵌设于所述振动部并盖设于所述第一球顶靠近所述音圈的第二球顶，所述第二球顶部分外露于所述振动部，所述音圈连接于所述第二球顶远离所述第一球顶的一侧。
优选的，所述振动部靠近所述音圈的一侧沿所述振动方向凹陷形成第二收容槽，所述第二收容槽环绕所述第一收容槽设置，所述第二球顶固定收容于所述第二收容槽内。
优选的，所述第二球顶完全覆盖所述第一收容槽。
优选的，所述第二球顶靠近所述第一球顶的一侧沿所述振动方向凹陷形成与所述第一收容槽相对设置的定位槽；所述第一球顶其中一部分固定收容于所述第一收容槽内，另一部分插设于所述定位槽内并与所述第二球顶固定。
优选的，所述振动部靠近所述音圈的一侧设有支撑壁，所述支撑壁环绕所述第二收容槽设置并向靠近所述音圈的方向延伸，所述支撑壁抵接于所述第二球顶。
优选的，所述第一球顶、所述第二球顶和所述振膜为一体成型结构。
优选的，所述第一球顶与所述第二球顶为一体成型结构。
优选的，所述第一球顶沿所述振动方向向所述第二球顶的正投影完全位于所述第二球顶范围内。
优选的，所述振膜为硅胶或橡胶材料制成；所述第一球顶为PET、PEN、PI、LCP和MCPET中的其中一种材料制成；所述第二球顶为PET、PEN、PI、LCP和MCPET中的其中一种材料制成。
 有益效果
与相关技术相比，本实用新型的发声器件中，振膜包括振动部、由振动部的周缘向外延伸的折环部以及由折环部远离振动部一侧延伸并固定于盆架的固定部；振动部靠近音圈的一侧沿振膜的振动方向凹陷形成第一收容槽，振动系统还包括固定收容于第一收容槽内的第一球顶以及固定嵌设于球顶部并盖设于第一球顶靠近音圈的第二球顶，第二球顶部分外露于振动部，音圈连接于第二球顶远离第一球顶的一侧；上述结构中，通过第一球顶和第二球顶的配合设置，有效地提高了振膜的整体刚度，在高频振动时，振膜的振动更加平缓，更有效地避免了高频峰谷的出现，减少失真现象，进而优化发声器件的高频声学性能。
 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为本实用新型发声器件实施方式一的立体结构示意图；
图2为本实用新型发声器件实施方式一的部分立体结构分解图；
图3为本实用新型发声器件实施方式一另一角度的部分立体结构分解图；
图4为沿图1中A-A线的剖视图；
图5为图4中B所示部分的局部放大图；
图6为本实用新型发声器件实施方式二的部分立体结构分解图；
图7为本实用新型发声器件实施方式二的部分结构的截面示意图。
 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。
实施方式一                                
请参图1-5所示，本实用新型提供一种发声器件100，其包括盆架1、固定于所述盆架1的振动系统2以及磁路系统3；所述磁路系统3具有磁间隙30。
所述振动系统2包括固定于所述盆架1的振膜21、用于驱动所述振膜21振动发声的音圈22以及分别贴设固定于所述振膜21的第一球顶23和第二球顶24。
在本实施方式一中，所述振膜21沿其振动方向凹陷形成第一收容槽2101，所述第一球顶23固定收容于所述第一收容槽2101内，所述第二球顶24固定嵌设于所述振膜21并盖设于所述第一球顶23靠近所述音圈22，所述音圈22连接于所述第二球顶24远离所述第一球顶23的一侧并插设于所述磁间隙30内。
更优的，所述振膜21靠近所述第二球顶24的一侧沿其振动方向凹陷形成第二收容槽2102，所述第二收容槽2102环绕所述第一收容槽2101设置，所述第二球顶24固定收容于所述第二收容槽2102内，通过该第二收容槽2102的设置，可以有效地将第二球顶24固定收容于振膜21的内部空间内，提高了所述振膜21的空间利用率，避免所述第二球顶24的设置占用了振动空间。
进一步的，所述振膜21包括振动部211、由所述振动部211周缘向外延伸的折环部212以及由所述折环部212远离所述振动部211一侧延伸并固定于所述盆架1的固定部213。
所述第一收容槽2101由所述振动部211靠近所述音圈22的一侧沿所述振膜21的振动方向凹陷形成，所述第二收容槽2102由所述振动部211靠近所述音圈22的一侧沿所述振膜21的振动方向凹陷形成，所述第一球顶23和所述第二球顶24分别贴设固定于所述振动部211，且所述第二球顶24部分外露于所述振动部211，所述音圈22连接于所述第二球顶24的远离所述振膜21一侧。
所述第二球顶24完全覆盖所述第一收容槽2101；更具体的，所述振膜21靠近所述第二球顶24的端面与所述第一球顶23靠近所述第二球顶24的端面位于同一个平面上，所述第一球顶23靠近所述第二球顶24的端面抵接于所述第二球顶24。
值得一提的是，所述第一球顶23沿所述振膜21的振动方向向所述第二球顶24的正投影完全位于所述第二球顶24范围内。
上述结构中，通过所述第一球顶23和第二球顶24的配合设置，有效地提高了所述振膜21的整体刚度，在高频振动时，所述振膜21的振动更加平缓，更有效地避免了高频峰谷的出现，减少失真现象，进而优化发声器件100的高频声学性能。
更优的，为了提高所述第二球顶24与所述振膜21之间的固定可靠性，所述振动部211靠近所述音圈22的一侧设有支撑壁2111，所述支撑壁2111环绕所述第二收容槽2102设置并向靠近所述音圈22的方向延伸，所述支撑壁2111抵接于所述第二球顶24，该支撑壁2111的为所述第二球顶24的底部提供支撑，使得所述第二球顶24不易从所述振膜21上脱落，从而提高两者之间的固定可靠性，使得所述发声器件100的可靠性更高。
为了进一步提高所述第一球顶23、第二球顶24与所述振膜21三者之间的固定可靠性，所述第一球顶23、所述第二球顶24和所述振膜21为一体成型结构。
更进一步，所述第一球顶23与所述第二球顶24为一体成型结构，该设置不仅提高所述第一球顶23和所述第二球顶24之间固定的可靠性，有效地简化了装配的工序。
值得一提的是，所述振膜21为硅胶或橡胶材料制成；所述第一球顶23为PET（Polyethylene terephthalate，即聚对苯二甲酸乙二醇酯）、 PEN（Polyethylene naphthalate two formic acid glycol ester，即聚对苯二甲酸乙二醇酯）、PI（Polyimide，即聚酰亚胺）、LCP（Liquid Crystal Polymer，即液晶高分子聚合物）以及MCPET（Micro Cellular PET（polyethylene Terephthalate，即纳米反射板）中的其中一种材料制成，所述第一球顶23的结构形式可以为铝箔三明治结构球顶或碳纤维三明治结构球顶；所述第二球顶24为PET（Polyethylene terephthalate，即聚对苯二甲酸乙二醇酯）、 PEN（Polyethylene naphthalate two formic acid glycol ester，即聚对苯二甲酸乙二醇酯）、PI（Polyimide，即聚酰亚胺）、LCP（Liquid Crystal Polymer，即液晶高分子聚合物）以及MCPET（Micro Cellular PET（polyethylene Terephthalate，即纳米反射板）中的其中一种材料制成，所述第二球顶24的结构形式可以为铝箔三明治结构球顶、碳纤维三明治结构球顶和碳纤单向带预浸料三明治结构球顶的其中一种。
需要说明的是，所述振膜21、所述第一球顶23及所述第二球顶24的具体的材料或结构形式可以根据实际情况进行具体的设置， 上述的材料或结构形式制作振膜、第一球顶以及第二球顶的常规材料。
所述磁路系统3包括固定于所述盆架1的磁碗31、固定于所述磁碗31的主磁钢32、固定于所述主磁钢32相对两侧的两个第一副磁钢33、固定于所述主磁钢32另外相对两侧的两个第二副磁钢34以及固定于所述盆架1并盖设于所述第一副磁钢33和所述第二副磁钢34的上夹板，两个所述第一副磁钢33和两个所述第二副磁钢34与所述主磁钢32间隔形成所述磁间隙30。
实施方式二
请参阅图6-7示出了实施方式二的发声器件100a，图6实质为图3所示的结构的另一实施方式的示意图，图7实质为图5所示的结构的另一实施方式的示意图，综上可知，实施方式二的发声器件100a是实施方式一的发声器件的衍生实施方式，两者的结构基本相同，对于相同部分不再一一赘述，而实施方式二的发声器件100a的主要的区别点在于：
第二球顶24a沿振膜21a的振动方向凹陷形成与第一收容槽2101a相对设置的定位槽240a；第一球顶23a其中一部分固定收容于第一收容槽2101a内，另一部分插设于定位槽240a内并与第二球顶24a固定。
通过定位槽240a的设置，使得第一球顶23a与第二球顶24a之间相互插设固定，有效地提高两者之间的固定可靠性，更好地提高两者的共同构成的结构的刚度。
与相关技术相比，本实用新型的发声器件中，振膜包括振动部、由振动部的周缘向外延伸的折环部以及由折环部远离振动部一侧延伸并固定于盆架的固定部；振动部靠近音圈的一侧沿振膜的振动方向凹陷形成第一收容槽，振动系统还包括固定收容于第一收容槽内的第一球顶以及固定嵌设于球顶部并盖设于第一球顶靠近音圈的第二球顶，第二球顶部分外露于振动部，音圈连接于第二球顶远离第一球顶的一侧；上述结构中，通过第一球顶和第二球顶的配合设置，有效地提高了振膜的整体刚度，在高频振动时，振膜的振动更加平缓，更有效地避免了高频峰谷的出现，减少失真现象，进而优化发声器件的高频声学性能。
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 (9)

  1. 一种发声器件，其包括盆架以及固定于所述盆架的振动系统，所述振动系统包括固定于所述盆架的振膜以及用于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延伸的折环部以及由所述折环部远离所述振动部一侧延伸并固定于所述盆架的固定部，其特征在于，所述振动部靠近所述音圈的一侧沿所述振膜的振动方向凹陷形成第一收容槽，所述振动系统还包括固定收容于所述第一收容槽内的第一球顶以及固定嵌设于所述振动部并盖设于所述第一球顶靠近所述音圈的第二球顶，所述第二球顶部分外露于所述振动部，所述音圈连接于所述第二球顶远离所述第一球顶的一侧。
  2. 根据权利要求1所述的发声器件，其特征在于，所述振动部靠近所述音圈的一侧沿所述振动方向凹陷形成第二收容槽，所述第二收容槽环绕所述第一收容槽设置，所述第二球顶固定收容于所述第二收容槽内。
  3. 根据权利要求2所述的发声器件，其特征在于，所述第二球顶完全覆盖所述第一收容槽。
  4. 根据权利要求2所述的发声器件，其特征在于，所述第二球顶靠近所述第一球顶的一侧沿所述振动方向凹陷形成与所述第一收容槽相对设置的定位槽；所述第一球顶其中一部分固定收容于所述第一收容槽内，另一部分插设于所述定位槽内并与所述第二球顶固定。
  5. 根据权利要求2所述的发声器件，其特征在于，所述振动部靠近所述音圈的一侧设有支撑壁，所述支撑壁环绕所述第二收容槽设置并向靠近所述音圈的方向延伸，所述支撑壁抵接于所述第二球顶。
  6. 根据权利要求1-5任一项所述的发声器件，其特征在于，所述第一球顶、所述第二球顶和所述振膜为一体成型结构。
  7. 根据权利要求1-5任一项所述的发声器件，其特征在于，所述第一球顶与所述第二球顶为一体成型结构。
  8. 根据权利要求7所述的发声器件，其特征在于，所述第一球顶沿所述振动方向向所述第二球顶的正投影完全位于所述第二球顶范围内。
  9. 根据权利要求7所述的发声器件，其特征在于，所述振膜为硅胶或橡胶材料制成；所述第一球顶为PET、PEN、PI、LCP和MCPET中的其中一种材料制成；所述第二球顶为PET、PEN、PI、LCP和MCPET中的其中一种材料制成。
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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201611945U (zh) * 2009-12-07 2010-10-20 瑞声声学科技(深圳)有限公司 电磁扬声器
CN106817658A (zh) * 2017-01-12 2017-06-09 瑞声科技(沭阳)有限公司 振膜及发声器件
US20170353801A1 (en) * 2016-06-07 2017-12-07 Aac Acoustic Technologies (Shenzhen) Co., Ltd. Vibration system
CN208462044U (zh) * 2018-12-25 2019-02-01 瑞声光电科技(常州)有限公司 一种扬声器
CN109819382A (zh) * 2018-12-30 2019-05-28 瑞声声学科技(深圳)有限公司 扬声器
CN109862490A (zh) * 2018-12-30 2019-06-07 瑞声声学科技(深圳)有限公司 扬声器
CN109889964A (zh) * 2018-12-30 2019-06-14 瑞声科技(新加坡)有限公司 发声器件
CN209897256U (zh) * 2019-04-19 2020-01-03 瑞声科技(新加坡)有限公司 振膜及发声器件

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201611945U (zh) * 2009-12-07 2010-10-20 瑞声声学科技(深圳)有限公司 电磁扬声器
US20170353801A1 (en) * 2016-06-07 2017-12-07 Aac Acoustic Technologies (Shenzhen) Co., Ltd. Vibration system
CN106817658A (zh) * 2017-01-12 2017-06-09 瑞声科技(沭阳)有限公司 振膜及发声器件
CN208462044U (zh) * 2018-12-25 2019-02-01 瑞声光电科技(常州)有限公司 一种扬声器
CN109819382A (zh) * 2018-12-30 2019-05-28 瑞声声学科技(深圳)有限公司 扬声器
CN109862490A (zh) * 2018-12-30 2019-06-07 瑞声声学科技(深圳)有限公司 扬声器
CN109889964A (zh) * 2018-12-30 2019-06-14 瑞声科技(新加坡)有限公司 发声器件
CN209897256U (zh) * 2019-04-19 2020-01-03 瑞声科技(新加坡)有限公司 振膜及发声器件

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