WO2021128336A1 - Sound production device - Google Patents

Sound production device Download PDF

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Publication number
WO2021128336A1
WO2021128336A1 PCT/CN2019/129409 CN2019129409W WO2021128336A1 WO 2021128336 A1 WO2021128336 A1 WO 2021128336A1 CN 2019129409 W CN2019129409 W CN 2019129409W WO 2021128336 A1 WO2021128336 A1 WO 2021128336A1
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WO
WIPO (PCT)
Prior art keywords
diaphragm
basin frame
vibrating
skeleton
magnetic
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PCT/CN2019/129409
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French (fr)
Chinese (zh)
Inventor
宋威
张帆
金鑫
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
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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
Priority to PCT/CN2019/129409 priority Critical patent/WO2021128336A1/en
Publication of WO2021128336A1 publication Critical patent/WO2021128336A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones

Abstract

The present utility model provides a sound production device, comprising a basin frame, a vibration system and a magnetic circuit system which are respectively fixed to the basin frame, the magnetic circuit system driving the vibration system to vibrate and produce sound; the magnetic circuit system has a magnetic gap, the vibration system comprises a vibrating diaphragm, a voice coil inserted in the magnetic gap to drive the vibrating diaphragm to vibrate, and a framework connected to the vibrating diaphragm, and at least a portion of a side, close to the vibrating diaphragm, of the framework is embedded in the vibrating diaphragm, and the basin frame, the vibrating diaphragm and the framework are integrated by means of injection molding. Compared with the related art, the sound production device of the present utility model avoids the influence of glue on the acoustic performance of the sound production device, and improves the sound production effect of the sound production device.

Description

发声器件Sound device 技术领域Technical field
本实用新型涉及声电领域,尤其涉及一种发声器件。The utility model relates to the field of sound and electricity, in particular to a sound emitting device.
背景技术Background technique
随着互联网时代的到来,移动终端设备的数量不断上升。而在移动设备中,手机无疑是最常见且最便携的移动终端设备。用于播放音乐等声音的发声器件被大量的运用到手机等移动终端设备中,而发声器件中的振动系统尤为重要,整个发声器件通过所述振动系统振动发声。With the advent of the Internet era, the number of mobile terminal devices continues to rise. Among mobile devices, mobile phones are undoubtedly the most common and most portable mobile terminal devices. Sound devices used to play music and other sounds are widely used in mobile terminal devices such as mobile phones, and the vibration system in the sound device is particularly important, and the entire sound device vibrates and produces sound through the vibration system.
相关技术发声器件包括盆架、固定于所述盆架上的振动系统以及驱动所述振动系统振动发声的磁路系统;所述振动系统包括振膜和驱动所述振膜振动发声的音圈所述振膜通过胶水与所述盆架粘接固定。Related Art Sounding devices include a basin frame, a vibration system fixed on the basin frame, and a magnetic circuit system that drives the vibration system to vibrate and produce sound; the vibration system includes a diaphragm and a voice coil that drives the diaphragm to vibrate and produce sound. The diaphragm is bonded and fixed with the basin frame by glue.
技术问题technical problem
然而,相关技术中,所述振膜与所述盆架通过胶水粘合固定,胶水会影响发声器件的声学性能,另一方面,用胶水粘合容易出现装配误差。However, in the related art, the diaphragm and the basin frame are bonded and fixed by glue, and the glue will affect the acoustic performance of the sound emitting device. On the other hand, the use of glue to bond is prone to assembly errors.
因此,有必要提供一种新的发声器件解决上述问题。Therefore, it is necessary to provide a new sound generating device to solve the above-mentioned problems.
技术解决方案Technical solutions
本实用新型的目的在于提供一种可避免装配误差且声学性能更优的发声器件。The purpose of the utility model is to provide a sounding device that can avoid assembly errors and has better acoustic performance.
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、分别固定于所述盆架的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、插设于所述磁间隙以驱动所述振膜振动的音圈以及与所述振膜连接的骨架,所述骨架靠近所述振膜的一侧至少部分嵌设于所述振膜内,所述盆架、所述振膜以及所述骨架为一体注塑成型。In order to achieve the above objective, the present invention provides a sound generating device, which includes a basin frame, a vibration system respectively fixed to the basin frame, and a magnetic circuit system that drives the vibration system to vibrate and produce sound, the magnetic circuit system having a magnetic gap The vibration system includes a diaphragm, a voice coil inserted in the magnetic gap to drive the diaphragm to vibrate, and a skeleton connected to the diaphragm, and a side of the skeleton close to the diaphragm is at least partially embedded Set in the diaphragm, the basin frame, the diaphragm, and the frame are integrally molded by injection molding.
优选的,所述振膜包括具有通孔的振动部、由所述振动部的周缘延伸并环绕所述振动部的折环部以及由所述折环部远离所述振动部的一侧弯折延伸并固定于所述盆架的固定部;所述振动部包括与所述折环部连接的振动部本体、位于所述振动部本体靠近所述磁路系统的一侧且与所述振动部本体间隔正对设置的加强环以及连接所述加强环和所述振动部本体的顶柱,所述通孔贯穿所述振动部本体设置;所述骨架包括夹设于所述振动部本体和所述加强环之间的骨架本体、由所述骨架本体的内侧向远离所述振动部主体方向延伸的第一延伸壁以及贯穿所述骨架主体的缺口;所述第一延伸壁与所述音圈连接,所述骨架本体、所述振动部本体以及所述加强环为一体注塑成型并使得所述顶柱嵌设于所述缺口内。Preferably, the diaphragm includes a vibrating portion with a through hole, a folding ring portion extending from the periphery of the vibrating portion and surrounding the vibrating portion, and a side bent by the folding ring portion away from the vibrating portion Extending and fixed to the fixing portion of the basin frame; the vibrating portion includes a vibrating portion body connected to the folding ring portion, and located on the side of the vibrating portion body close to the magnetic circuit system and connected to the vibrating portion The main body is arranged with a stiffening ring directly opposed to each other and a top post connecting the stiffening ring and the vibrating part body, and the through hole is provided through the vibrating part body; the skeleton includes a body sandwiched between the vibrating part body and the The skeleton body between the reinforcing rings, a first extension wall extending from the inner side of the skeleton body in a direction away from the vibrating part body, and a gap penetrating the skeleton body; the first extension wall and the voice coil In connection, the skeleton body, the vibrating part body, and the reinforcing ring are integrally injection-molded, and the top pillar is embedded in the gap.
优选的,所述振动系统还包括固定于所述盆架的弹性支撑组件,所述骨架还包括由所述骨架本体的外侧向远离所述振膜方向延伸的第二延伸壁,所述第二延伸壁靠近所述振膜的一端与所述振膜本体注塑一体成型,所述第二延伸壁远离所述振膜的一端与所述弹性支撑组件连接。Preferably, the vibration system further includes an elastic support component fixed to the basin frame, the frame further includes a second extension wall extending from the outer side of the frame body in a direction away from the diaphragm, and the second One end of the extension wall close to the diaphragm is integrally molded with the diaphragm body, and the end of the second extension wall away from the diaphragm is connected to the elastic support assembly.
优选的,所述磁路系统包括磁轭、固定设置于所述磁轭上的主磁钢、环绕所述主磁钢设置并与所述主磁钢形成所述磁间隙的边磁钢、盖设固定于所述主磁钢上的第一导磁板以及盖设固定于所述边磁钢上的第二导磁板。Preferably, the magnetic circuit system includes a magnetic yoke, a main magnetic steel fixedly arranged on the magnetic yoke, a side magnetic steel arranged around the main magnetic steel and forming the magnetic gap with the main magnetic steel, a cover A first magnetic conductive plate fixed on the main magnetic steel and a second magnetic conductive plate fixed on the side magnetic steel are covered.
优选的,所述弹性支撑组件包括固定于所述盆架的弹片和贴合于所述弹片的辅助振膜,所述第二延伸壁与所述弹片连接。Preferably, the elastic support assembly includes an elastic sheet fixed to the basin frame and an auxiliary diaphragm attached to the elastic sheet, and the second extension wall is connected with the elastic sheet.
优选的,所述辅助振膜贴合于所述弹片远离所述振膜的一侧。Preferably, the auxiliary diaphragm is attached to the side of the elastic sheet away from the diaphragm.
优选的,所述固定部包括由所述折环部弯折延伸并固定于所述盆架顶端的第一固定部、由所述第一固定部沿所述振膜的振动方向弯折延伸并固定于所述盆架外侧面的第二固定部以及与所述第二固定部正对间隔设置的第三固定部,所述盆架夹设于所述第二固定部和所述第三固定部之间;所述盆架为金属材料制成,所述盆架与所述固定部为一体注塑成型。Preferably, the fixing portion includes a first fixing portion that is bent and extended by the folding ring portion and fixed to the top end of the basin frame, and is bent and extended along the vibration direction of the diaphragm by the first fixing portion. A second fixing part fixed on the outer surface of the basin frame and a third fixing part arranged directly and spaced apart from the second fixing part, and the basin frame is sandwiched between the second fixing part and the third fixing part Between the parts; the basin frame is made of metal material, and the basin frame and the fixed part are integrally injection molded.
优选的,所述骨架本体呈环状的平板结构,所述第一延伸壁呈环形结构,所述第二延伸壁包括两个且分别位于所述骨架本体的相对两侧。Preferably, the frame body has an annular flat plate structure, the first extension wall has an annular structure, and the second extension wall includes two and is located on opposite sides of the frame body.
优选的,所述振动系统还包括球顶,所述振动部环绕所述球顶且相互间隔设置,所述骨架本体位于所述球顶与所述振动部之间并将所述振动部与所述球顶连接成一整体结构。Preferably, the vibration system further includes a dome, the vibrating part surrounds the dome and is spaced apart from each other, and the skeleton body is located between the dome and the vibrating part and connects the vibrating part to the vibrating part. The dome is connected to form an integral structure.
有益效果Beneficial effect
与相关技术相比,在本实用新型的发声器件中,所述盆架、所述振膜以及所述骨架为一体注塑成型,一方面避免了胶水对性能的影响,提高了发声器件的声学性能;另一方面避免了装配误差,同时简化了装配工序,提高了生产效率。Compared with the related art, in the sound generating device of the present invention, the basin frame, the diaphragm, and the skeleton are integrally injection-molded. On the one hand, the effect of glue on the performance is avoided, and the acoustic performance of the sound generating device is improved. ; On the other hand, it avoids assembly errors, simplifies assembly procedures, and improves production efficiency.
附图说明Description of the drawings
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:In order to more clearly explain the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings needed in the description of the embodiments. Obviously, the drawings in the following description are only some implementations of the present utility model. For example, for those of ordinary skill in the art, without creative work, other drawings can be obtained based on these drawings, among which:
图1为本实用新型发声器件的立体结构示意图Figure 1 is a schematic diagram of the three-dimensional structure of the sound device of the utility model
图2为本实用新型发声器件的立体结构分解示意图;Figure 2 is an exploded schematic diagram of the three-dimensional structure of the sound generating device of the present invention;
图3为本实用新型沿图1中A-A线的剖视图;Figure 3 is a cross-sectional view of the utility model along the line A-A in Figure 1;
图4为本实用新型发声器件的部分立体结构示意图;Figure 4 is a partial three-dimensional structure diagram of the sound generating device of the present invention;
图5为图2中B所示部分的放大图。Fig. 5 is an enlarged view of the part B shown in Fig. 2.
本发明的实施方式Embodiments of the present invention
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。The following will clearly and completely describe the technical solutions in the embodiments of the present utility model in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, not all of them. Examples. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of the present utility model.
请参考图1-3所示,本实用新型提供一种发声器件10,该发声器件10包括盆架1、分别固定于所述盆架1的振动系统2和驱动所述振动系统2振动发声的磁路系统3,所述磁路系统3具有磁间隙,Please refer to Figures 1-3, the present invention provides a sounding device 10, the sounding device 10 includes a basin frame 1, a vibration system 2 fixed to the basin frame 1 and a vibration system for driving the vibration system 2 to produce sound The magnetic circuit system 3 has a magnetic gap,
具体的,所述振动系统2包括振膜21、插设于所述磁间隙以驱动所述振膜21振动的音圈22以及与所述振膜21连接的骨架23,所述骨架23靠近所述振膜21的一侧至少部分嵌设于所述振膜21内。Specifically, the vibration system 2 includes a diaphragm 21, a voice coil 22 inserted in the magnetic gap to drive the diaphragm 21 to vibrate, and a skeleton 23 connected to the diaphragm 21. The skeleton 23 is close to the diaphragm 21. One side of the diaphragm 21 is at least partially embedded in the diaphragm 21.
在本实施方式中,所述盆架1、所述振膜21以及所述骨架23为一体注塑成型,一方面避免了胶水对性能的影响,提高了发声器件的声学性能;另一方面避免了装配误差,同时简化了装配工序,提高了生产效率。In this embodiment, the basin frame 1, the diaphragm 21, and the frame 23 are integrally injection-molded. On the one hand, the effect of glue on performance is avoided, and the acoustic performance of the sound device is improved; on the other hand, it avoids The assembly error also simplifies the assembly process and improves the production efficiency.
进一步的,所述振膜21包括具有通孔的振动部211、由所述振动部211的周缘延伸并环绕所述振动部211的折环部212以及由所述折环部212远离所述振动部211的一侧弯折延伸并固定于所述盆架1的固定部213;所述振动部211包括与所述折环部212连接的振动部本体2111、位于所述振动部本体2111靠近所述磁路系统3的一侧且与所述振动部本体2111间隔正对设置的加强环2112以及连接所述加强环2112和所述振动部本体2111的顶柱2113,所述通孔贯穿所述振动部本体2111设置。Further, the diaphragm 21 includes a vibration portion 211 with a through hole, a folding ring portion 212 extending from the periphery of the vibration portion 211 and surrounding the vibration portion 211, and a folding ring portion 212 away from the vibration One side of the part 211 is bent and extended and fixed to the fixing part 213 of the basin frame 1. The vibration part 211 includes a vibration part body 2111 connected to the folding ring part 212, and is located near the vibration part body 2111. A reinforcing ring 2112 on one side of the magnetic circuit system 3 and spaced directly opposite to the vibrating part body 2111, and a top pillar 2113 connecting the reinforcing ring 2112 and the vibrating part body 2111, the through hole penetrates the The vibrating part body 2111 is provided.
值得一提的是,所述固定部213包括由所述折环部212弯折延伸并固定于所述盆架1顶端的第一固定部2131、由所述第一固定部2131沿所述振膜21的振动方向弯折延伸并固定于所述盆架1外侧面的第二固定部2132以及与所述第二固定部2132正对间隔设置的第三固定部2133,所述盆架1夹设于所述第二固定部2132和所述第三固定部2133之间,该结构增加振膜21与所述盆架的1的接触面积,使振膜21与所述盆架的1固定更为牢固,从而提高了发声器件的稳定性。It is worth mentioning that the fixing portion 213 includes a first fixing portion 2131 which is bent and extended by the folding ring portion 212 and is fixed to the top end of the basin frame 1. The diaphragm 21 bends and extends in the vibration direction and is fixed to the second fixing portion 2132 on the outer side surface of the basin frame 1 and the third fixing portion 2133 arranged directly and spaced apart from the second fixing portion 2132. The basin frame 1 clamps Located between the second fixing portion 2132 and the third fixing portion 2133, this structure increases the contact area between the diaphragm 21 and the 1 of the basin frame, so that the diaphragm 21 is fixed more with the 1 of the basin frame. To be firm, thereby improving the stability of the sound emitting device.
在本实施方式中,所述盆架1为金属材料制成,所述盆架1与所述固定部213为一体注塑成型;该结构增加发声器件的整体刚度,进一步的提高了所述发声器件的声学性能。In this embodiment, the basin frame 1 is made of metal material, and the basin frame 1 and the fixing portion 213 are integrally injection-molded; this structure increases the overall rigidity of the sound emitting device, and further improves the sound emitting device The acoustic performance.
所述骨架23包括夹设于所述振动部本体2111和所述加强环2112之间的骨架本体231、由所述骨架本体231的内侧向远离所述振动部本体2111方向延伸的第一延伸壁232以及贯穿所述骨架本体231的缺口233;所述第一延伸壁232与所述音圈22连接,所述骨架本体231、所述振动部本体2111以及所述加强环2112为一体注塑成型并使得所述顶柱2113嵌设于所述缺口233内。The skeleton 23 includes a skeleton body 231 sandwiched between the vibrating part body 2111 and the reinforcing ring 2112, and a first extension wall extending from the inner side of the skeleton body 231 in a direction away from the vibrating part body 2111 232 and a gap 233 penetrating the skeleton body 231; the first extension wall 232 is connected to the voice coil 22, and the skeleton body 231, the vibrating part body 2111, and the reinforcement ring 2112 are integrally injection-molded and combined The top pillar 2113 is embedded in the gap 233.
更进一步的,所述振动系统2还包括固定于所述盆架1的弹性支撑组件24,所述骨架23还包括由所述骨架本体231的外侧向远离所述振膜21方向延伸的第二延伸壁234,所述第二延伸壁234靠近所述振膜21的一端与所述振膜本体2111注塑一体成型,所述第二延伸壁234远离所述振膜21的一端与所述弹性支撑组件24连接。Furthermore, the vibration system 2 further includes an elastic support assembly 24 fixed to the basin frame 1, and the frame 23 further includes a second frame extending from the outer side of the frame body 231 in a direction away from the diaphragm 21. An extension wall 234, an end of the second extension wall 234 close to the diaphragm 21 is integrally molded with the diaphragm body 2111, and an end of the second extension wall 234 away from the diaphragm 21 and the elastic support The components 24 are connected.
在本实施方式中,所述骨架本体231呈环状的平板结构,所述第一延伸壁232呈环形结构,所述第二延伸壁234包括两个且分别位于所述骨架本体231的相对两侧。In this embodiment, the frame body 231 has a ring-shaped plate structure, the first extension wall 232 has a ring structure, and the second extension wall 234 includes two and is located at two opposite sides of the frame body 231. side.
更优的,所述振动系统2还包括球顶25,所述振动部211环绕所述球顶25且相互间隔设置,所述骨架本体231位于所述球顶25与所述振动部211之间并将所述振动部211与所述球顶25连接成一整体结构。More preferably, the vibration system 2 further includes a dome 25, the vibrating part 211 surrounds the dome 25 and is spaced apart from each other, and the skeleton body 231 is located between the dome 25 and the vibration part 211 The vibrating part 211 and the dome 25 are connected to form an integral structure.
所述磁路系统3包括磁轭31、固定设置于所述磁轭31上的主磁钢32、环绕所述主磁钢32设置并与所述主磁钢32形成所述磁间隙的边磁钢33、盖设固定于所述主磁钢32上的第一导磁板34以及盖设固定于所述边磁钢33上的第二导磁板35。The magnetic circuit system 3 includes a magnetic yoke 31, a main magnetic steel 32 fixedly arranged on the magnetic yoke 31, a side magnetic steel arranged around the main magnetic steel 32 and forming the magnetic gap with the main magnetic steel 32 Steel 33, a first magnetic conductive plate 34 fixed on the main magnet 32 and a second magnetic conductive plate 35 covered and fixed on the side magnet 33.
更优的,所述弹性支撑组件24包括固定于所述盆架1的弹片241和贴合于所述弹片241的辅助振膜242,所述第二延伸壁234与所述弹片241连接,所述辅助振膜242贴合于所述弹片241远离所述振膜21的一侧,该结构可以避免了音圈22的横向摆动,提高发声器件10的稳定性。More preferably, the elastic support assembly 24 includes an elastic piece 241 fixed to the basin frame 1 and an auxiliary diaphragm 242 attached to the elastic piece 241, and the second extension wall 234 is connected to the elastic piece 241, so The auxiliary diaphragm 242 is attached to the side of the elastic sheet 241 away from the diaphragm 21. This structure can avoid the lateral swing of the voice coil 22 and improve the stability of the sound generating device 10.
与相关技术相比,在本实用新型的发声器件中,所述盆架、所述振膜以及所述骨架为一体注塑成型,一方面避免了胶水对性能的影响,提高了发声器件的声学性能;另一方面避免了装配误差,同时简化了装配工序,提高了生产效率。Compared with the related art, in the sound generating device of the present invention, the basin frame, the diaphragm, and the skeleton are integrally injection-molded. On the one hand, the effect of glue on the performance is avoided, and the acoustic performance of the sound generating device is improved. ; On the other hand, it avoids assembly errors, simplifies assembly procedures, and improves production efficiency.
本实用新型提供一种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。This utility model provides an embodiment of the utility model described above, which does not limit the scope of the utility model's patent. Any equivalent structure or equivalent process transformation made by using the content of the utility model description and drawings, or Directly or indirectly used in other related technical fields are included in the scope of patent protection of the utility model for the same reason.

Claims (9)

  1. 一种发声器件,其包括盆架、分别固定于所述盆架的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、插设于所述磁间隙以驱动所述振膜振动的音圈以及与所述振膜连接的骨架,其特征在于,所述骨架靠近所述振膜的一侧至少部分嵌设于所述振膜内,所述盆架、所述振膜以及所述骨架为一体注塑成型。A sound-producing device, comprising a basin frame, a vibration system respectively fixed to the basin frame, and a magnetic circuit system for driving the vibration system to vibrate and produce sound, the magnetic circuit system having a magnetic gap, the vibration system including a diaphragm, A voice coil inserted in the magnetic gap to drive the diaphragm to vibrate and a skeleton connected to the diaphragm, characterized in that the side of the skeleton close to the diaphragm is at least partially embedded in the vibration In the membrane, the basin frame, the diaphragm, and the skeleton are integrally injection-molded.
  2. 根据权利要求1中所述的发声器件,其特征在于,所述振膜包括具有通孔的振动部、由所述振动部的周缘延伸并环绕所述振动部的折环部以及由所述折环部远离所述振动部的一侧弯折延伸并固定于所述盆架的固定部;所述振动部包括与所述折环部连接的振动部本体、位于所述振动部本体靠近所述磁路系统的一侧且与所述振动部本体间隔正对设置的加强环以及连接所述加强环和所述振动部本体的顶柱,所述通孔贯穿所述振动部本体设置;The sound generating device according to claim 1, wherein the diaphragm includes a vibrating portion having a through hole, a folding ring portion extending from the periphery of the vibrating portion and surrounding the vibrating portion, and The side of the ring portion away from the vibrating portion is bent and extended and fixed to the fixing portion of the basin frame; the vibrating portion includes a vibrating portion body connected to the folding ring portion, and is located near the vibrating portion body. A reinforcing ring on one side of the magnetic circuit system and spaced directly opposite to the vibrating part body and a top post connecting the reinforcing ring and the vibrating part body, and the through hole is provided through the vibrating part body;
    所述骨架包括夹设于所述振动部本体和所述加强环之间的的骨架本体、由所述骨架本体的内侧向远离所述振动部主体方向延伸的第一延伸壁以及贯穿所述骨架本体的缺口;所述第一延伸壁与所述音圈连接,所述骨架本体、所述振动部本体以及加强环为一体注塑成型并使得所述顶柱嵌设于所述缺口内。The skeleton includes a skeleton body sandwiched between the vibrating part body and the reinforcement ring, a first extension wall extending from the inner side of the skeleton body in a direction away from the vibrating part body, and a first extension wall penetrating through the skeleton The gap of the main body; the first extension wall is connected with the voice coil, the skeleton body, the vibrating part main body and the reinforcing ring are integrally injection-molded and the top pillar is embedded in the gap.
  3. 根据权利要求2中所述的发声器件,其特征在于,所述振动系统还包括固定于所述盆架的弹性支撑组件,所述骨架还包括由所述骨架本体的外侧向远离所述振膜方向延伸的第二延伸壁,所述第二延伸壁靠近所述振膜的一端与所述振膜本体一体注塑成型,所述第二延伸壁远离所述振膜的一端与所述弹性支撑组件连接。The sounding device according to claim 2, wherein the vibration system further comprises an elastic support assembly fixed to the basin frame, and the frame further comprises a direction away from the diaphragm from the outer side of the frame body. A second extension wall extending in the direction, one end of the second extension wall close to the diaphragm is integrally injection molded with the diaphragm body, and one end of the second extension wall away from the diaphragm is connected to the elastic support component connection.
  4. 根据权利要求3中所述的发声器件,其特征在于,所述磁路系统包括磁轭、固定设置于所述磁轭上的主磁钢、环绕所述主磁钢设置并与所述主磁钢形成所述磁间隙的边磁钢、盖设固定于所述主磁钢上的第一导磁板以及盖设固定于所述边磁钢上的第二导磁板。The sounding device according to claim 3, wherein the magnetic circuit system comprises a magnetic yoke, a main magnetic steel fixedly arranged on the magnetic yoke, and a main magnetic steel arranged around the main magnetic steel and connected to the main magnetic steel. The side magnetic steel forming the magnetic gap, the first magnetic conductive plate covered and fixed on the main magnetic steel, and the second magnetic conductive plate covered and fixed on the side magnetic steel.
  5. 根据权利要求4中所述的发声器件,其特征在于,所述弹性支撑组件包括固定于所述盆架的弹片和贴合于所述弹片的辅助振膜,所述第二延伸壁与所述弹片连接。The sounding device according to claim 4, wherein the elastic support assembly comprises an elastic piece fixed to the basin frame and an auxiliary diaphragm attached to the elastic piece, the second extension wall and the Shrapnel connection.
  6. 根据权利要求5所述的发声器件,其特征在于,所述辅助振膜贴合于所述弹片远离所述振膜的一侧。The sound emitting device according to claim 5, wherein the auxiliary diaphragm is attached to a side of the elastic sheet away from the diaphragm.
  7. 根据权利要求2中所述的发声器件,其特征在于,所述固定部包括由所述折环部弯折延伸并固定于所述盆架顶端的第一固定部、由所述第一固定部的外周缘沿所述振膜的振动方向弯折延伸并固定于所述盆架外侧面的第二固定部以及与所述第二固定部正对间隔设置的第三固定部,所述盆架夹设于所述第二固定部和所述第三固定部之间;所述盆架为金属材料制成,所述盆架与所述固定部为一体注塑成型。The sounding device according to claim 2, wherein the fixing portion comprises a first fixing portion bent and extended by the folding ring portion and fixed to the top end of the basin frame, and the first fixing portion is The outer periphery of the rim is bent and extends along the vibration direction of the diaphragm and is fixed to the second fixing portion on the outer side surface of the basin frame and the third fixing portion arranged directly and spaced apart from the second fixing portion, the basin frame It is sandwiched between the second fixing part and the third fixing part; the basin frame is made of metal material, and the basin frame and the fixing part are integrally injection-molded.
  8. 根据权利要求3中所述的发声器件,其特征在于,所述骨架本体呈环状的平板结构,所述第一延伸壁呈环形结构,所述第二延伸壁包括两个且分别位于所述骨架本体的相对两侧。The sounding device according to claim 3, wherein the frame body is a ring-shaped flat plate structure, the first extension wall is a ring structure, and the second extension wall includes two and is located at the The opposite sides of the skeleton body.
  9. 根据权利要求8中所述的发声器件,其特征在于,所述振动系统还包括球顶,所述振动部环绕所述球顶且相互间隔设置,所述骨架本体位于所述球顶与所述振动部之间并将所述振动部与所述球顶连接成一整体结构。The sounding device according to claim 8, wherein the vibration system further comprises a dome, the vibrating part surrounds the dome and is spaced apart from each other, and the skeleton body is located between the dome and the dome. Between the vibrating parts and connecting the vibrating part and the dome to form an integral structure.
PCT/CN2019/129409 2019-12-27 2019-12-27 Sound production device WO2021128336A1 (en)

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Citations (6)

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Publication number Priority date Publication date Assignee Title
US5627904A (en) * 1996-03-27 1997-05-06 Yang; Su-Pei Miniature loudspeaker clip structure
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CN105050012A (en) * 2015-08-24 2015-11-11 张扬 Loudspeaker and assembling method thereof
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CN208549021U (en) * 2018-08-01 2019-02-26 瑞声光电科技(常州)有限公司 Microphone device
CN209526876U (en) * 2018-12-30 2019-10-22 瑞声科技(新加坡)有限公司 A kind of loudspeaker

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5627904A (en) * 1996-03-27 1997-05-06 Yang; Su-Pei Miniature loudspeaker clip structure
CN203387677U (en) * 2013-08-14 2014-01-08 美特科技(苏州)有限公司 Loudspeaker
CN105050012A (en) * 2015-08-24 2015-11-11 张扬 Loudspeaker and assembling method thereof
CN208549021U (en) * 2018-08-01 2019-02-26 瑞声光电科技(常州)有限公司 Microphone device
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