WO2022007009A1 - 振膜组件及扬声器 - Google Patents

振膜组件及扬声器 Download PDF

Info

Publication number
WO2022007009A1
WO2022007009A1 PCT/CN2020/104033 CN2020104033W WO2022007009A1 WO 2022007009 A1 WO2022007009 A1 WO 2022007009A1 CN 2020104033 W CN2020104033 W CN 2020104033W WO 2022007009 A1 WO2022007009 A1 WO 2022007009A1
Authority
WO
WIPO (PCT)
Prior art keywords
diaphragm
voice coil
support ring
ring
support
Prior art date
Application number
PCT/CN2020/104033
Other languages
English (en)
French (fr)
Inventor
梁平
赵彬
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022007009A1 publication Critical patent/WO2022007009A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present application relates to the field of sound and electricity, and in particular, to a diaphragm assembly and a speaker.
  • the sound-generating device of the related art 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 to the basin frame and a vibrating membrane inserted into the Magnetic gap to drive the diaphragm to vibrate the voice coil.
  • the diaphragm of the sound-emitting device in the related art is usually combined with adhesion promoters such as glue or primer.
  • the former has a great influence on the concentricity and the product assembly yield is low, and the latter has a negative impact on the diaphragm during the production process.
  • the mold is seriously polluted and needs to be cleaned regularly, and processes such as glue spraying are added.
  • the purpose of the present application is to provide a diaphragm assembly and a loudspeaker that can improve the assembly accuracy of the loudspeaker.
  • a diaphragm assembly comprising a diaphragm and a support ring integrally formed with the diaphragm
  • the diaphragm includes a folded ring portion and an outer edge connected to the folded ring portion and connected to the above-mentioned diaphragm.
  • the support ring is formed into an integral connecting portion
  • the support ring includes an annular side wall with a plurality of through holes
  • the connecting portion includes an annular body combined with the annular side wall and an annular body connected to the annular body and located in the through hole. Raised part in the hole.
  • the axial direction of the plurality of through holes is perpendicular to the axial direction of the support ring.
  • the plurality of through holes are evenly distributed on the side wall.
  • the diaphragm further includes a support portion connected to the inner edge of the folded ring portion and having an opening
  • the diaphragm assembly further includes a dome
  • the dome is covered on the support portion corresponding to the opening.
  • the diaphragm is integrally formed with the support ring by air explosion, compression molding or injection molding.
  • the support ring is a steel ring; the material of the diaphragm includes at least one of silica gel, rubber, polyetheretherketone, thermoplastic polyurethane elastomer rubber.
  • a loudspeaker includes a vibration system and a magnetic circuit system that cooperates with the vibration system to emit sound, and the vibration system includes the diaphragm assembly described in any one of the above.
  • the vibration system further includes a voice coil, an electrical connection piece and another vibration membrane disposed on the side of the support ring away from the vibration membrane, the electrical connection piece is connected to the voice coil, and the other vibration membrane The membrane is located on the side of the electrical connector away from the diaphragm assembly.
  • the electrical connector includes a first flexible circuit board and a second flexible circuit board that are oppositely arranged, and the other diaphragm includes a first lower diaphragm and a second lower diaphragm that are oppositely arranged.
  • the flexible circuit board is electrically connected to one end of the voice coil, and the first flexible circuit board is assembled with the first lower diaphragm to support one end of the voice coil, and the second flexible circuit board is electrically connected to the voice coil The other end of the coil is assembled with the second lower diaphragm to support the other end of the voice coil.
  • the magnetic circuit system includes a main magnet, a pole core, a first side magnet, a second side magnet, a clamping plate and a yoke, the pole core and the main magnet are stacked in the voice coil, and the The magnetic yoke is disposed on the side of the other diaphragm away from the diaphragm, the splint is fixed between the support ring and the magnetic yoke, and the first side magnet is disposed between the splint and the magnetic yoke. Between the yokes and at the periphery of the voice coil, the second side magnet is disposed on a side of the splint away from the first side magnet and is opposite to the first side magnet.
  • the concentricity of the diaphragm and the supporting ring is improved by integrally forming the diaphragm and the supporting ring, thereby improving the assembly accuracy, and improving the assembly consistency and yield of the loudspeaker.
  • the diaphragm includes a folded ring portion and a connecting portion connected to the outer edge of the folded ring portion and integrally formed with the support ring.
  • the connecting portion is combined with the annular side wall through the protruding portion in the through hole, the bonding strength is increased by means of the side structure, no primer or glue needs to be added, and the production process reduces pollution, thereby reducing pollution. lower the cost.
  • the axial direction of the plurality of through holes is perpendicular to the axial direction of the support ring, the bonding strength of the support ring and the diaphragm can be ensured.
  • the plurality of through holes are evenly distributed on the side wall, which can achieve the effect of uniform bonding strength at each position.
  • the vibrating membrane further includes a support portion connected to the inner edge of the folded ring portion and having an opening
  • the vibrating membrane assembly further includes a spherical top
  • the spherical top is covered on the support portion corresponding to the opening.
  • the diaphragm is integrally formed with the support ring by air explosion, compression molding or injection molding. It can be understood that the above-mentioned integral molding technology is relatively mature, so that the integral molding quality of the diaphragm and the support ring can be guaranteed.
  • the support ring is a steel ring; the material of the diaphragm includes at least one of silica gel, rubber, polyether ether ketone, thermoplastic polyurethane elastomer rubber. It can be understood that the support ring is a steel ring, which is not only a common material and convenient to use, but also can ensure the bonding strength and fixing strength with the diaphragm.
  • the material of the diaphragm includes at least one of silica gel, rubber, polyetheretherketone, thermoplastic polyurethane elastomer rubber, and is conducive to cost control, and the above materials are also relatively common and have good characteristics, which are conducive to vibration. The vibration of the membrane makes the sound.
  • the vibration system further includes a voice coil, an electrical connector and another vibrating membrane disposed on the side of the support ring away from the vibrating membrane, the electrical connector is connected to the voice coil, and the other vibrating membrane is connected.
  • the membrane is located on the side of the electrical connector away from the diaphragm assembly. It can be understood that the acoustic performance of the speaker can be further improved by the other diaphragm.
  • the first flexible circuit board, the second flexible circuit board, the The first lower diaphragm and the second lower diaphragm can also be better assembled to support the voice coil, thereby ensuring the acoustic performance of the speaker.
  • the above-mentioned magnetic circuit system with the main magnet, the pole core, the first side magnet, the second side magnet, the splint and the yoke can not only ensure better fixing strength, but also cooperate with the vibration system. achieve better acoustic performance.
  • FIG. 1 is a schematic exploded perspective view of a speaker provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a support ring of the diaphragm assembly of the loudspeaker shown in FIG. 1;
  • FIG. 3 is a cross-sectional structural schematic diagram of a diaphragm and a support ring of the diaphragm assembly of the loudspeaker shown in FIG. 1;
  • Fig. 4 is the stereoscopic assembly schematic diagram of the loudspeaker shown in Fig. 3;
  • FIG. 5 is a cross-sectional view taken along line V-V of FIG. 4 .
  • diaphragm assembly 10 diaphragm assembly 10; diaphragm 11; support ring 12; folding ring portion 111; connecting portion 112; annular body 112a; 121; through hole 121a; speaker 100; vibration system 1; voice coil 14; electrical connector 16; first flexible circuit board 161; second flexible circuit board 162; another diaphragm 15; first lower diaphragm 151; Two lower diaphragms 152 ; magnetic circuit system 2 ; main magnet 21 ; pole core 22 ; first side magnet 23 ; second side magnet 24 ;
  • FIG. 1 is a schematic exploded perspective view of a speaker 100 according to an embodiment of the present application.
  • the speaker 100 includes a vibration system 1 and a magnetic circuit system 2 that cooperates with the vibration system 1 to produce sound.
  • the magnetic circuit system 2 may be located on one side of the vibration system 1 .
  • the vibration system 1 may include a diaphragm assembly 10 , and the diaphragm assembly 10 includes a diaphragm 11 , a support ring 12 and a dome 13 integrally formed with the diaphragm 11 .
  • FIG. 2 is a schematic diagram of the support ring 12 of the diaphragm assembly 10 of the speaker 100 shown in FIG. 1
  • FIG. 3 is the diaphragm 11 and the support ring 12 of the diaphragm assembly 10 of the speaker 100 shown in FIG. 1
  • the diaphragm 11 may include a ring portion 111 , a connecting portion 112 that connects the outer edge of the ring portion 111 and is integrally formed with the support ring 12 , and a connecting portion 112 that connects the inner edge of the ring portion 111 and has an opening 113 a .
  • Support part 113 .
  • the dome 13 is covered on the support portion 113 corresponding to the opening 113a.
  • the support ring 12 includes an annular side wall 121 having a plurality of through holes 121 a
  • the connecting portion 112 of the diaphragm 11 includes an annular body 112 a combined with the annular side wall 121 and connected to the annular body 112 a and The raised portion 112b located in the through hole 121a.
  • the connecting portion 112 can be positioned and connected to the annular side wall 121 by inserting the protruding portion 112b into the through hole 121a, so that the annular body 112a and the annular side wall 121 can be fixedly connected, thereby enabling
  • the diaphragm 11 is integrally connected with the support ring 12 .
  • the support ring 12 may be a steel ring, and the axial direction of the plurality of through holes 121 a is perpendicular to the axial direction of the support ring 12 .
  • the plurality of through holes 121 a are evenly distributed on the annular side wall 121 .
  • the material of the diaphragm 11 can include silicone, rubber, polyetheretherketone PEEK, thermoplastic polyurethane elastomer rubber TPU and at least one of other polymer materials.
  • the diaphragm 11 can be integrally formed with the support ring 12 by air explosion, compression molding or injection molding. Specifically, when the material of the diaphragm 11 includes rubber, the diaphragm 11 can be integrally formed with the support ring 12 through a film pressing process. When the material of the diaphragm 11 includes silica gel, the diaphragm 11 The support ring 12 may be integrally formed by an injection molding process. When the material of the diaphragm 11 includes thermoplastic elastomer, the diaphragm 11 may be integrally formed with the support ring 12 by a hot pressing process.
  • FIG. 4 is a schematic three-dimensional assembly diagram of the speaker 100 shown in FIG. 3
  • FIG. 5 is a cross-sectional view along the line V-V of FIG. 4
  • the vibration system 1 further includes a voice coil 14 , an electrical connection member 16 and another diaphragm 15 disposed on the side of the support ring 12 away from the diaphragm 11 .
  • the diaphragm 11 in the diaphragm assembly 10 may be an upper diaphragm, and the ring portion 112 of the diaphragm 11 may protrude toward the side away from the support ring 12 .
  • the vibrating membrane 15 may be a lower vibrating membrane, and the ring portion of the vibrating membrane 15 may protrude toward the side away from the vibrating membrane 11 .
  • the voice coil 14 may be disposed below the diaphragm assembly 10 and in contact with the diaphragm 11 or the dome 13 , and the end of the voice coil 14 away from the diaphragm assembly 10 may be in contact with the diaphragm 11 or the dome 13 .
  • the electrical connector 16 is electrically connected.
  • the other diaphragm 15 is located on the side of the electrical connector 16 away from the diaphragm assembly 10 .
  • the electrical connector 16 may be a flexible circuit board, and the electrical connector 16 is a The two oppositely disposed, the other diaphragms 15 are two oppositely disposed corresponding to the electrical connecting members 16 .
  • the electrical connector 16 can also be connected to an external circuit through conductive leads, so that the voice coil 14 can be energized through the electrical connector 16 .
  • the electrical connector 16 includes a first flexible circuit board 161 and a second flexible circuit board 162 arranged oppositely, and the other diaphragm 15 includes a first lower diaphragm 151 and a second lower diaphragm arranged oppositely 152, the first flexible circuit board 161 is electrically connected to one end of the voice coil 14, and the first flexible circuit board 161 and the first lower diaphragm 151 are assembled to support one end of the voice coil 14, so The second flexible circuit board 162 is electrically connected to the other end of the voice coil 14 and is assembled with the second lower diaphragm 152 to support the other end of the voice coil 14 .
  • the magnetic circuit system 2 includes a main magnet 21 , a pole core 22 , a first side magnet 23 , a second side magnet 24 , a clamping plate 25 and a magnetic yoke 26 .
  • the pole core 22 and the main magnet 21 are stacked on the In the voice coil 14, the yoke 26 is disposed on the side of the other diaphragm 15 away from the diaphragm 11, and the splint 25 is fixed between the support ring 12 and the yoke 26, so
  • the first side magnet 23 is disposed between the clamping plate 25 and the yoke 26 and is located at the periphery of the voice coil 14 , and the second side magnet 24 is disposed on the clamping plate 25 away from the first side magnet 23 one side and opposite to the first side magnet 23 .
  • first side magnets 23 are provided around the main magnet 21 , two second side magnets 24 are arranged opposite to each other, and the second side magnets 24 correspond to The two first side magnets 23 are arranged opposite to each other.
  • the voice coil 14 drives the splint 25 to vibrate under the action of the magnetic circuit system 2 , thereby driving the diaphragm assembly
  • the vibrating membrane 11 of the 10 and the other vibrating membrane 15 of the vibration system 1 vibrate, thereby producing sound.
  • the diaphragm assembly 10 and the speaker 100 provided by the present application, by using the diaphragm assembly 10 in which the diaphragm 11 and the support ring 12 are integrally formed as one side diaphragm of the vibration system 1, the combination of the diaphragm 11 and the support ring 12 is improved.
  • the concentricity of the speaker 100 is improved, thereby improving the assembly accuracy of the speaker 100 and improving the assembly consistency and yield of the speaker 100 .
  • the connecting portion 112 of the diaphragm 11 of the diaphragm assembly 10 is integrally formed with the support ring 12 , and the bonding strength is increased by the integral molding of the connecting portion 112 of the diaphragm 11 and the support ring 12 , without affecting the strength of the folded ring portion 112 . Vibration and the acoustic performance of the diaphragm 11 do not need to add primer or glue, and the production process reduces pollution, thereby reducing costs.
  • connecting portion 112 is combined with the annular side wall 121 through the protruding portion 112b located in the through hole 121a, and the bonding strength is increased by means of the side structure, and there is no need to add primer or glue.
  • the production process Reduce pollution and thus lower costs.
  • the axial direction of the plurality of through holes 121a is perpendicular to the axial direction of the support ring 12; the plurality of through holes 121a are evenly distributed on the side wall 121, which not only ensures that the support ring 12 and all Regarding the bonding strength of the diaphragm 11, the uniformly distributed through holes 121a can also achieve the effect of uniform bonding strength at each position.
  • the diaphragm 11 further includes a support portion 113 connected to the inner edge of the folded ring portion 111 and having an opening 113a
  • the diaphragm assembly 10 further includes a dome 13, and the dome 13 corresponds to the opening 113a Covered on the support portion 113 . It can be understood that the diaphragm assembly 10 can be further combined with the dome 13 through the support portion 113 to improve the acoustic performance of the diaphragm assembly 10 .
  • the diaphragm 11 is integrally formed with the support ring by air explosion, compression molding or injection molding. It can be understood that the above-mentioned integral molding technology is relatively mature, so that the integral molding quality of the diaphragm 11 and the support ring 12 can be guaranteed.
  • the support ring 12 is a steel ring; the material of the diaphragm 11 includes at least one of silica gel, rubber, polyetheretherketone, and thermoplastic polyurethane elastomer rubber. It can be understood that the support ring is a steel ring, which is not only a common material and convenient to use, but also can ensure the bonding strength and fixing strength with the diaphragm 11 .
  • the material of the diaphragm 11 includes at least one of silica gel, rubber, polyetheretherketone, thermoplastic polyurethane elastomer rubber, and is conducive to cost control, and the above materials are also relatively common and have good characteristics, which are beneficial to the cost control. The vibration of the diaphragm produces sound.
  • the vibration system 1 further includes a voice coil 14 disposed on the side of the support ring 12 away from the vibrating membrane, an electrical connector 16 and another vibrating membrane 15, and the electrical connector 16 is connected to the voice coil 14.
  • the other diaphragm 15 is located on the side of the electrical connector 16 away from the diaphragm assembly 10 . It can be understood that the acoustic performance of the speaker 10 can be further improved by the other diaphragm 15 .
  • the first flexible circuit board 161 and the second flexible circuit board 162 not only can a better electrical connection effect of the voice coil 14 be achieved, the first flexible circuit board 161, the second flexible circuit The plate 162 , the first lower diaphragm 151 and the second lower diaphragm 152 can also be better assembled to support the voice coil 14 , thereby ensuring the acoustic performance of the speaker 10 .
  • the above-mentioned magnetic circuit system 2 having the main magnet 21, the pole core 22, the first side magnet 23, the second side magnet 24, the splint 25 and the magnetic yoke 26 can not only ensure better fixing strength, It can also cooperate with the vibration system 1 to achieve better acoustic performance.

Abstract

本申请提供了一种振膜组件及扬声器，所述振膜组件包括振膜及与所述在振膜一体成型的支撑环，所述振膜包括折环部及连接所述折环部外缘且与所述支撑环成型于一体的连接部，所述支撑环包括具有多个通孔的环形侧壁，所述连接部包括与所述环形侧壁结合的环形本体及连接所述环形本体且位于所述通孔中的凸起部。本申请的振膜组件及扬声器，通过将振膜、支撑环一体成型，提高了装配精度，提升扬声器装配一致性及良率。

Description

振膜组件及扬声器 技术领域
本申请涉及声电领域，尤其涉及一种振膜组件及扬声器。
 背景技术
随着移动互联网时代的到来，智能移动设备的数最不断上升。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最应用到现在的智能移动设备之中。
相关技术的所述发声器件包括盆架和分别固定于所述盆架的振动系统及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以及插设于所述磁间隙以驱动所述振膜振动发声的音圈。
然而，相关技术中的所述发声器件的所述振膜通常采用胶水或底涂等助粘剂进行辅助组合，前者对同心度影响较大，产品装配良率低，后者对生产过程振膜模具污染较严重，需要定期清洗，而且增加了喷胶等工序。
因此，有必要提供一种改进的振膜组件及扬声器来解决上述问题。
 技术问题
本申请的目的在于提供一种能提升扬声器装配精度的振膜组件及扬声器。
 技术解决方案
本申请的技术方案如下：一种振膜组件，包括振膜及与所述在振膜一体成型的支撑环，所述振膜包括折环部及连接所述折环部外缘且与所述支撑环成型于一体的连接部，所述支撑环包括具有多个通孔的环形侧壁，所述连接部包括与所述环形侧壁结合的环形本体及连接所述环形本体且位于所述通孔中的凸起部。
优选地，所述多个通孔的轴向与所述支撑环的轴向垂直。
优选地，所述多个通孔均匀分布于所述侧壁。
优选地，所述振膜还包括连接所述折环部内缘且具有开口的支撑部，所述振膜组件还包括球顶，所述球顶对应所述开口盖设于所述支撑部上。
优选地，所述振膜采用气爆、模压成型或注塑成型工艺与所述支撑环一体成型。
优选地，所述支撑环为钢环；所述振膜的材料包括硅胶、橡胶、聚醚醚酮、热塑性聚氨酯弹性体橡胶中的至少一种。
一种扬声器，包括振动系统、配合所述振动系统发声的磁路系统，所述振动系统包括上述任意一项所述的振膜组件。
优选地，所述振动系统还包括设置于所述支撑环远离振膜一侧的音圈、电连接件及另一振膜，所述电连接件连接于所述音圈，所述另一振膜位于所述电连接件远离所述振膜组件的一侧。
优选地，所述电连接件包括相对设置的第一柔性电路板及第二柔性电路板，所述另一振膜包括相对设置的第一下振膜及第二下振膜，所述第一柔性电路板电连接所述音圈的一端，且所述第一柔性电路板与所述第一下振膜组配支撑所述音圈的一端，所述第二柔性电路板电连接所述音圈的另一端且与所述第二下振膜组配支撑所述音圈的另一端。
优选地，所述磁路系统包括主磁体、极芯、第一边磁体、第二边磁体、夹板及磁轭，所述极芯与所述主磁体层叠设置于所述音圈内，所述磁轭设置于所述另一振膜远离所述振膜的一侧，所述夹板固定于所述支撑环与所述磁轭之间，所述第一边磁体设置于所述夹板与所述磁轭之间且位于所述音圈外围，所述第二边磁体设置于所述夹板远离所述第一边磁体的一侧且与所述第一边磁体相对。
 有益效果
本申请的有益效果在于：
与相关技术相比，所述振膜组件及扬声器中，通过将振膜与支撑环一体成型，提高了振膜与支撑环的同心度，进而提高了装配精度，提升扬声器装配一致性及良率。进一步地，所述振膜包括折环部及连接所述折环部外缘且与所述支撑环成型于一体的连接部。通过所述连接部与所述支撑环一体成型，不影响所述折环部的振动及所述振膜的声学性能，不需要增加底涂或胶水，生产过程减少污染，从而降低成本。进一步地，通过位于所述通孔中的所述凸起部将所述连接部与所述环形侧壁结合，借助侧面结构增加结合强度，不需要增加底涂或胶水，生产过程减少污染，从而降低成本。
进一步地，通过所述多个通孔的轴向与所述支撑环的轴向垂直，可以保证所述支撑环及所述振膜的结合强度。
进一步地，所述多个通孔均匀分布于所述侧壁，可以达到各位置结合强度均匀一致的效果。
进一步地，所述振膜还包括连接所述折环部内缘且具有开口的支撑部，所述振膜组件还包括球顶，所述球顶对应所述开口盖设于所述支撑部上。可以理解，通过所述支撑部使得所述振膜组件还可以进一步结合球顶，提升所述振膜组件的声学性能。
进一步地，所述振膜采用气爆、模压成型或注塑成型工艺与所述支撑环一体成型。可以理解，上述一体成型技术也较为成熟，使得所述振膜及所述支撑环一体成型品质可以得到保证。
进一步地，所述支撑环为钢环；所述振膜的材料包括硅胶、橡胶、聚醚醚酮、热塑性聚氨酯弹性体橡胶中的至少一种。可以理解，所述支撑环为钢环，不仅材料常见、方便使用，而且可以保证与所述振膜的结合强度及固定强度。所述振膜的材料包括硅胶、橡胶、聚醚醚酮、热塑性聚氨酯弹性体橡胶中的至少一种，与有利于成本的控制，并且上述材料也较为常见且具有较好的特性，有利于振膜的振动发声。
进一步地，所述振动系统还包括设置于所述支撑环远离振膜一侧的音圈、电连接件及另一振膜，所述电连接件连接于所述音圈，所述另一振膜位于所述电连接件远离所述振膜组件的一侧。可以理解，通过所述另一振膜可进一步提升所述扬声器的声学性能。
进一步地，通过所述第一柔性电路板与所述第二柔性电路板不仅可以起到较好的音圈电连接效果，所述第一柔性电路板、所述第二柔性电路板、所述第一下振膜及所述第二下振膜还可以较好的组配支撑所述音圈，进而保障所述扬声器的声学性能。
进一步地，可以理解，通过上述具有主磁体、极芯、第一边磁体、第二边磁体、夹板及磁轭的磁路系统，不仅可保证较好的固定强度，还可以配合所述振动系统达到较好的声学性能。
 附图说明
为了更清楚地说明本申请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申请的一些实施例，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是本申请一种实施例提供的扬声器的立体分解示意图；
图2是图1所示扬声器的振膜组件的支撑环示意图；
图3是图1所示扬声器的振膜组件的振膜与支撑环的剖面结构示意图；
图4是图3所示扬声器的立体组装示意图；
图5是图4沿线V-V的剖视图。
主要元件符号说明：振膜组件10；振膜11；支撑环12；折环部111；连接部112；环形本体112a；凸起部112b；支撑部113；开口113a；球顶13；环形侧壁121；通孔121a；扬声器100；振动系统1；音圈14；电连接件16；第一柔性电路板161；第二柔性电路板162；另一振膜15；第一下振膜151；第二下振膜152；磁路系统2；主磁体21；极芯22；第一边磁体23；第二边磁体24；夹板25；磁轭26。
 本发明的实施方式
下面结合附图和实施方式对本申请作进一步说明。
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”和“第三”等是用于区别不同对象，而非用于描述特定顺序。此外，术语“包括”以及它们任何变形，意图在于覆盖不排他的包含。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其它步骤或单元。
本申请实施例中所有方向性指示(诸如上、下、左、右、前、后、内、外、顶部、底部……)仅用于解释在某一特定姿态(如附图所示)下各部件之间的相对位置关系等，如果该特定姿态发生改变时，则该方向性指示也相应地随之改变。当元件被称为“固定于”或“设置于”另一个元件上时，该元件可以直接在另一个元件上或者可能同时存在居中元件。当一个元件被称为“连接”另一个元件，它可以是直接连接另一个元件或者可能同时存在居中元件。
请参阅图1，图1是本申请一种实施例提供的扬声器100的立体分解示意图。所述扬声器100包括振动系统1及配合所述振动系统1发声的磁路系统2。所述磁路系统2可以位于所述振动系统1的一侧。
具体地，所述振动系统1可以包括振膜组件10，所述振膜组件10包括振膜11、与所述振膜11一体成型的支撑环12及球顶13。
请参阅图2及图3，图2是图1所示扬声器100的振膜组件10的支撑环12示意图，图3是图1所示扬声器100的振膜组件10的振膜11与支撑环12的剖面结构示意图。所述振膜11可以包括折环部111、连接所述折环部111外缘且与所述支撑环12成型于一体的连接部112及连接所述折环部111内缘且具有开口113a的支撑部113。所述球顶13对应所述开口113a盖设于所述支撑部113上。
所述支撑环12包括具有多个通孔121a的环形侧壁121，所述振膜11的所述连接部112包括与所述环形侧壁121结合的环形本体112a及连接所述环形本体112a且位于所述通孔121a中的凸起部112b。通过所述凸起部112b插入所述通孔121a可以将所述连接部112与所述环形侧壁121进行定位连接，从而将所述环形本体112a与所述环形侧壁121固定连接，进而使所述振膜11与所述支撑环12连接一体。
进一步地，所述支撑环12可以为钢环，且所述多个通孔121a的轴向与所述支撑环12的轴向垂直。所述多个通孔121a均匀分布于所述环形侧壁121上。
更进一步地，所述振膜11的材料可以包括硅胶、橡胶、聚醚醚酮PEEK、热塑性聚氨酯弹性体橡胶TPU及    其他高分子材料中的至少一种。所述振膜11可以采用气爆、模压成型或注塑成型工艺与所述支撑环12一体成型。具体地，所述振膜11的材料包括橡胶时，所述振膜11可以通过膜压工艺与所述支撑环12成型于一体，所述振膜11的材料包括硅胶时，所述振膜11可以通过注塑工艺与所述支撑环12成型于一体，所述振膜11的材料包括热塑性弹性体时，所述振膜11可以通过热压工艺与所述支撑环12成型于一体。
请参阅图4及图5，图4是图3所示扬声器100的立体组装示意图，图5是图4沿线V-V的剖视图。所述振动系统1还包括设置于所述支撑环12远离振膜11一侧的音圈14、电连接件16及另一振膜15。可以理解，所述振膜组件10中振膜11可以为上振膜，所述振膜11的折环部112可以朝向远离所述支撑环12的一侧凸起。所述振膜15可以为下振膜，所述振膜15的折环部可以朝向远离所述振膜11的一侧凸起。
具体地，所述音圈14可以设置于所述振膜组件10的下方且与所述振膜11或所述球顶13接触，所述音圈14远离所述振膜组件10的一端可以与所述电连接件16电连接。所述另一振膜15位于所述电连接件16远离所述振膜组件10的一侧，在一些实施例中，所述电连接件16可以为柔性电路板，所述电连接件16为相对设置的两个，所述另一振膜15为对应所述电连接件16相对设置的两个。所述电连接件16还可以通过导电引线连接外部电路，使得通过所述电连接件16可以对所述音圈14通电。
具体地，所述电连接件16包括相对设置的第一柔性电路板161及第二柔性电路板162，所述另一振膜15包括相对设置的第一下振膜151及第二下振膜152，所述第一柔性电路板161电连接所述音圈14的一端，且所述第一柔性电路板161与所述第一下振膜151组配支撑所述音圈14的一端，所述第二柔性电路板162电连接所述音圈14的另一端且与所述第二下振膜152组配支撑所述音圈14的另一端。
所述磁路系统2包括主磁体21、极芯22、第一边磁体23、第二边磁体24、夹板25及磁轭26，所述极芯22与所述主磁体21层叠设置于所述音圈14内，所述磁轭26设置于所述另一振膜15远离所述振膜11的一侧，所述夹板25固定于所述支撑环12与所述磁轭26之间，所述第一边磁体23设置于所述夹板25与所述磁轭26之间且位于所述音圈14外围，所述第二边磁体24设置于所述夹板25远离所述第一边磁体23的一侧且与所述第一边磁体23相对。在一些实施例中，所述第一边磁体23设有四个，围设于所述主磁体21四周，所述第二边磁体24为相对设置的两个，所述第二边磁体24对应相对设置的两个所述第一边磁体23。当所述电连接件16接通外部电路并使所述音圈14通电时，所述音圈14在所述磁路系统2的作用下带动所述夹板25振动，从而带动所述振膜组件10的所述振膜11及所述振动系统1的所述另一振膜15振动，从而发出声音。
本申请提供的一种振膜组件10及扬声器100，通过将振膜11与支撑环12一体成型的振膜组件10作为振动系统1的一侧振膜，提高了振膜11与支撑环12结合的同心度，进而提高了扬声器100的装配精度，提升扬声器100装配一致性及良率。
进一步地，振膜组件10的振膜11的连接部112与支撑环12一体成型，借助振膜11的连接部112与支撑环12一体成型而增加胶合强度，不影响所述折环部112的振动及所述振膜11的声学性能，也不需要增加底涂或胶水，生产过程减少污染，从而降低成本。
进一步地，通过位于所述通孔121a中的所述凸起部112b将所述连接部112与所述环形侧壁121结合，借助侧面结构增加结合强度，不需要增加底涂或胶水，生产过程减少污染，从而降低成本。
进一步地，通过所述多个通孔121a的轴向与所述支撑环12的轴向垂直；所述多个通孔121a均匀分布于所述侧壁121，不仅保证所述支撑环12及所述振膜11的结合强度，均匀分布的所述通孔121a还可以达到各位置结合强度均匀一致的效果。
进一步地，所述振膜11还包括连接所述折环部111内缘且具有开口113a的支撑部113，所述振膜组件10还包括球顶13，所述球顶13对应所述开口113a盖设于所述支撑部113上。可以理解，通过所述支撑部113使得所述振膜组件10还可以进一步结合球顶13，提升所述振膜组件10的声学性能。
进一步地，所述振膜11采用气爆、模压成型或注塑成型工艺与所述支撑环一体成型。可以理解，上述一体成型技术也较为成熟，使得所述振膜11及所述支撑环12一体成型品质可以得到保证。
进一步地，所述支撑环12为钢环；所述振膜11的材料包括硅胶、橡胶、聚醚醚酮、热塑性聚氨酯弹性体橡胶中的至少一种。可以理解，所述支撑环为钢环，不仅材料常见、方便使用，而且可以保证与所述振膜11的结合强度及固定强度。所述振膜11的材料包括硅胶、橡胶、聚醚醚酮、热塑性聚氨酯弹性体橡胶中的至少一种，与有利于成本的控制，并且上述材料也较为常见且具有较好的特性，有利于振膜的振动发声。
进一步地，所述振动系统1还包括设置于所述支撑环12远离振膜一侧的音圈14、电连接件16及另一振膜15，所述电连接件16连接于所述音圈14，所述另一振膜15位于所述电连接件16远离所述振膜组件10的一侧。可以理解，通过所述另一振膜15可进一步提升所述扬声器10的声学性能。
进一步地，通过所述第一柔性电路板161与所述第二柔性电路板162不仅可以起到较好的音圈14电连接效果，所述第一柔性电路板161、所述第二柔性电路板162、所述第一下振膜151及所述第二下振膜152还可以较好的组配支撑所述音圈14，进而保障所述扬声器10的声学性能。
进一步地，可以理解，通过上述具有主磁体21、极芯22、第一边磁体23、第二边磁体24、夹板25及磁轭26的磁路系统2，不仅可保证较好的固定强度，还可以配合所述振动系统1达到较好的声学性能。
以上所述的仅是本申请的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本申请创造构思的前提下，还可以做出改进，但这些均属于本申请的保护范围。 

Claims (10)

1、一种振膜组件，其特征在于，所述振膜组件包括振膜及与所述在振膜一体成型的支撑环，所述振膜包括折环部及连接所述折环部外缘且与所述支撑环成型于一体的连接部，所述支撑环包括具有多个通孔的环形侧壁，所述连接部包括与所述环形侧壁结合的环形本体及连接所述环形本体且位于所述通孔中的凸起部。
2、根据权利要求1所述的振膜组件，其特征在于：所述多个通孔的轴向与所述支撑环的轴向垂直。
3、根据权利要求1所述的振膜组件，其特征在于：所述多个通孔均匀分布于所述侧壁。
4、根据权利要求1所述的振膜组件，其特征在于：所述振膜还包括连接所述折环部内缘且具有开口的支撑部，所述振膜组件还包括球顶，所述球顶对应所述开口盖设于所述支撑部上。
5、根据权利要求1所述的振膜组件，其特征在于：所述振膜采用气爆、模压成型或注塑成型工艺与所述支撑环一体成型。
6、根据权利要求1所述的振膜组件，其特征在于：所述支撑环为钢环；所述振膜的材料包括硅胶、橡胶、聚醚醚酮、热塑性聚氨酯弹性体橡胶中的至少一种。
7、一种扬声器，其特征在于，所述扬声器包括振动系统、配合所述振动系统发声的磁路系统，所述振动系统包括根据权利要求1-6项任意一项所述的振膜组件。
8、根据权利要求7所述的扬声器，其特征在于：所述振动系统还包括设置于所述支撑环远离振膜一侧的音圈、电连接件及另一振膜，所述电连接件连接于所述音圈，所述另一振膜位于所述电连接件远离所述振膜组件的一侧。
9、根据权利要求8所述的扬声器，其特征在于：所述电连接件包括相对设置的第一柔性电路板及第二柔性电路板，所述另一振膜包括相对设置的第一下振膜及第二下振膜，所述第一柔性电路板电连接所述音圈的一端，且所述第一柔性电路板与所述第一下振膜组配支撑所述音圈的一端，所述第二柔性电路板电连接所述音圈的另一端且与所述第二下振膜组配支撑所述音圈的另一端。
10、根据权利要求8所述的扬声器，其特征在于：所述磁路系统包括主磁体、极芯、第一边磁体、第二边磁体、夹板及磁轭，所述极芯与所述主磁体层叠设置于所述音圈内，所述磁轭设置于所述另一振膜远离所述振膜的一侧，所述夹板固定于所述支撑环与所述磁轭之间，所述第一边磁体设置于所述夹板与所述磁轭之间且位于所述音圈外围，所述第二边磁体设置于所述夹板远离所述第一边磁体的一侧且与所述第一边磁体相对。
PCT/CN2020/104033 2020-07-09 2020-07-24 振膜组件及扬声器 WO2022007009A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021360723.XU CN212785820U (zh) 2020-07-09 2020-07-09 振膜组件及扬声器
CN202021360723.X 2020-07-09

Publications (1)

Publication Number Publication Date
WO2022007009A1 true WO2022007009A1 (zh) 2022-01-13

Family

ID=75079360

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/104033 WO2022007009A1 (zh) 2020-07-09 2020-07-24 振膜组件及扬声器

Country Status (2)

Country Link
CN (1) CN212785820U (zh)
WO (1) WO2022007009A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116249057A (zh) * 2023-05-06 2023-06-09 丰顺恒大光明电子科技发展有限公司 一种便于调节的扬声器及其调节方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080031487A1 (en) * 2006-07-07 2008-02-07 Kurt Sorensen Electro-Acoustic Transducer And A Method For Assembly Thereof
CN102611970A (zh) * 2012-03-27 2012-07-25 楼氏电子（北京）有限公司 微型扬声器
CN106911988A (zh) * 2017-03-31 2017-06-30 歌尔股份有限公司 振膜、扬声器及其组装方法
CN209897265U (zh) * 2019-05-03 2020-01-03 瑞声科技(新加坡)有限公司 扬声器
CN210168218U (zh) * 2019-06-28 2020-03-20 瑞声科技(新加坡)有限公司 扬声器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080031487A1 (en) * 2006-07-07 2008-02-07 Kurt Sorensen Electro-Acoustic Transducer And A Method For Assembly Thereof
CN102611970A (zh) * 2012-03-27 2012-07-25 楼氏电子（北京）有限公司 微型扬声器
CN106911988A (zh) * 2017-03-31 2017-06-30 歌尔股份有限公司 振膜、扬声器及其组装方法
CN209897265U (zh) * 2019-05-03 2020-01-03 瑞声科技(新加坡)有限公司 扬声器
CN210168218U (zh) * 2019-06-28 2020-03-20 瑞声科技(新加坡)有限公司 扬声器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116249057A (zh) * 2023-05-06 2023-06-09 丰顺恒大光明电子科技发展有限公司 一种便于调节的扬声器及其调节方法
CN116249057B (zh) * 2023-05-06 2023-07-14 丰顺恒大光明电子科技发展有限公司 一种便于调节的扬声器及其调节方法

Also Published As

Publication number Publication date
CN212785820U (zh) 2021-03-23

Similar Documents

Publication Publication Date Title
CN108024182B (zh) 微型发声器及其装配方法
CN110418260B (zh) 一种发声单体、发声模组及电子终端
US10979821B2 (en) Sound generator
CN204442665U (zh) 堆叠式微型扬声器
WO2020258260A1 (zh) 一种扬声器
US10820106B2 (en) Speaker module
WO2022006943A1 (zh) 一种扬声器
US20230328427A1 (en) Multifunctional Sounding Device
CN201846471U (zh) 微型扬声器
WO2022143235A1 (zh) 扬声器及终端装置
TW200950571A (en) Electroacoustic transducing device
WO2022007009A1 (zh) 振膜组件及扬声器
CN208638695U (zh) 扬声器模组
US20230328443A1 (en) Multifunctional Sounding Device
WO2022006975A1 (zh) 振膜及扬声器
CN214481249U (zh) 扬声器
WO2024000693A1 (zh) 同轴扬声器
WO2019037187A1 (zh) 一种发声装置
WO2022000577A1 (zh) 扬声器
WO2022000777A1 (zh) 发声器件
WO2022006931A1 (zh) 振膜及扬声器
WO2022000778A1 (zh) 发声器件
US20240073614A1 (en) Coaxial Speaker
CN218570453U (zh) 同轴扬声器
CN219145587U (zh) 扬声器

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20943950

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20943950

Country of ref document: EP

Kind code of ref document: A1