WO2021134495A1 - 发声器及其振膜 - Google Patents

发声器及其振膜 Download PDF

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Publication number
WO2021134495A1
WO2021134495A1 PCT/CN2019/130547 CN2019130547W WO2021134495A1 WO 2021134495 A1 WO2021134495 A1 WO 2021134495A1 CN 2019130547 W CN2019130547 W CN 2019130547W WO 2021134495 A1 WO2021134495 A1 WO 2021134495A1
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WIPO (PCT)
Prior art keywords
diaphragm
heat dissipation
frame
dome
magnet
Prior art date
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Ceased
Application number
PCT/CN2019/130547
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English (en)
French (fr)
Inventor
胡洪建
宋小军
曾健
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
Priority to PCT/CN2019/130547 priority Critical patent/WO2021134495A1/zh
Publication of WO2021134495A1 publication Critical patent/WO2021134495A1/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
    • H04R7/12—Non-planar diaphragms or cones
    • 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 technical field of sound generating equipment, in particular to a vibrating membrane used for a sound generator.
  • the vibration system includes a voice coil and a diaphragm, and the voice coil is arranged on the side of the back surface of the diaphragm. Since the voice coil needs to be energized, the diaphragm will generate heat.
  • the outer surface of the diaphragm in the prior art is smooth, which is not conducive to heat dissipation and affects the performance of the product.
  • One of the objectives of the present invention is to provide a diaphragm with enhanced heat dissipation effect.
  • the technical solution of the present invention is as follows: a diaphragm comprising a spherical top at a central position, a folding ring part surrounding the spherical top, and a fixing part extending outwardly formed around the folding ring part, so
  • the dome includes an outer surface in contact with air and an inner surface opposite to the outer surface, and is characterized in that the dome is formed with heat dissipation holes for heat dissipation.
  • the heat dissipation hole is a blind hole, and the blind hole is recessed from the outer surface to the inner surface.
  • the heat dissipation hole is a through hole that penetrates the dome in a direction from the outer surface to the inner surface.
  • the dome also includes a first aluminum foil layer forming an outer surface, a second aluminum foil layer forming an inner surface, and a foam layer fixed between the first aluminum foil layer and the second aluminum foil layer.
  • the number of the heat dissipation holes is multiple, and they are evenly arranged on the outer surface of the dome.
  • the number of the heat dissipation holes is 30, and they are arranged in a 5 ⁇ 6 matrix.
  • the heat dissipation hole is a regular octagonal hole or a round hole.
  • the second purpose of the present invention is to provide a sound generator, including a vibration system, a magnetic circuit system, a basin frame for accommodating the vibration system and the magnetic circuit system, the basin frame includes a front side facing the diaphragm and a The rear side opposite to the front side is characterized in that the vibration system includes the diaphragm and voice coil as described in any one of the above; the fixed part of the diaphragm is fixedly connected to the front side of the basin frame.
  • the magnetic circuit system further includes a lower splint, a main magnet and an auxiliary magnet fixed on the lower splint, and the auxiliary magnet surrounds the main magnet and forms a magnet between the main magnet and the main magnet.
  • the rear side of the basin frame is fixedly connected with the side of the auxiliary magnetic steel away from the lower splint;
  • the vibration system also includes an auxiliary diaphragm and a skeleton that is sleeved and fixedly connected to the voice coil;
  • the The frame includes a support frame connected to the side of the diaphragm facing away from the dome and feet connected to the auxiliary diaphragm, and the feet of the frame extend in the direction of the lower splint from the support portion;
  • the auxiliary diaphragm includes a frame part connected with the rear side of the basin frame, a connecting part connected with the frame legs, and a vibrating part connecting the connecting part and the frame part.
  • the basin frame and the main magnet are both rectangular with two long axis sides and two short axis sides
  • the auxiliary magnet includes a first magnet located on both sides of the main magnet's long axis direction and a short magnet located on the main magnet.
  • the second magnets on both sides of the axis direction, the side wall of the long axis direction of the basin frame is provided with a first upper splint extending inwardly and connected with the first magnet;
  • There is a second upper clamping plate extending inwardly and connected with the second magnetic steel, the voice coil is located in the magnetic gap and the upper clamping plates are spaced a certain distance apart.
  • a dust-proof net covering the auxiliary diaphragm is provided on the rear side of the basin frame.
  • the beneficial effect of the present invention is that by providing a heat dissipation hole for heat dissipation on the diaphragm, a better heat dissipation effect is achieved, and the use performance of the diaphragm is optimized.
  • Figure 1 is a schematic diagram of the structure of the diaphragm of the first embodiment of the utility model
  • Figure 2 is a three-dimensional schematic diagram of the sound generator of the third embodiment of the utility model
  • FIG. 3 is a schematic cross-sectional view of the sound generator in the direction of A-A in FIG. 2;
  • Fig. 4 is an exploded schematic diagram of the sound generator in Fig. 2;
  • Fig. 5 is an enlarged schematic diagram of B in Fig. 3;
  • FIG. 6 is a schematic cross-sectional view of the dome of the second embodiment of the utility model.
  • the diaphragm 11 includes a dome 111 at the center, a folding ring portion 112 surrounding the dome 111, and a fixing portion 113 extending outwardly formed around the folding ring portion 112.
  • the dome 11 111 includes an outer surface 1110 in contact with the air and an inner surface 1112 opposite to the outer surface.
  • the dome 111 is provided with a heat dissipation hole 1111 for heat dissipation.
  • the dome 111 of the diaphragm 11 forms a heat dissipation hole 1111 through the outer surface 1110 to realize heat dissipation.
  • the heat dissipation hole 1111 is a blind hole 1111a formed on the outer surface 1110 of the dome 111, and the blind hole 1111a is recessed from the outer surface 1110 to the inner surface 1112.
  • the blind hole 1111a is used as the heat dissipation hole 1111 as a specific structure.
  • the specific solution of the blind hole 1111a is to realize heat dissipation by increasing the contact area with the air.
  • the outer surface of the dome 111 refers to the side facing the front cavity when it is specifically arranged in the sound generator; in the prior art, the outer surface of the dome 111 faces the front cavity in a flat and smooth plane.
  • the outer surface of the dome is the heat dissipation surface.
  • the blind hole 1111a realizes enhanced heat dissipation by increasing the area of the outer surface 1110 of the dome 111.
  • Specific structural forms for increasing the area include, but are not limited to, the blind hole 1111a as a convex and concave structure on the outer surface of the dome 111.
  • both the convex and concave structures in the structural form that increase the contact area with the air can be realized.
  • the number of the heat dissipation holes 1111 is multiple, and they are evenly arranged on the outer surface of the dome 111.
  • multiple heat dissipation holes 1111 are provided to enhance the heat dissipation effect, and at the same time, they are evenly arranged to achieve uniform heat dissipation.
  • the number of heat dissipation holes 1111 is 30, and they are arranged in a 5 ⁇ 6 matrix. Setting up 30 blind holes and arranging them in a matrix is an optimal realization form that combines technology and size specifications.
  • the heat dissipation hole 1111 is a regular octagonal hole or a round hole.
  • the difference between this embodiment and the first embodiment is that the heat dissipation hole 1111 is a through hole 1111b, and the through hole 1111b penetrates the dome 111 along the direction from the outer surface 1110 to the inner surface 1112, and the ball
  • the top 111 also includes a first aluminum foil layer 1110b, a second aluminum foil layer 1112b, and a foam layer 1113b.
  • the first aluminum foil layer 1110b and the foam layer 1113b are fixed to form the outer surface 1110 of the dome 111.
  • the second aluminum foil layer 1111b is fixed to the foam layer 1113b to form the inner surface 1112 of the dome 111.
  • the aluminum foil layer 1113 Since the aluminum foil layer 1113 has good ductility, is easy to process, and has no obvious burrs on the edge, it can be closely glued to the folding ring portion 112 of the diaphragm 11, and has good reliability.
  • the through hole 1111b penetrates through the first aluminum foil layer 1110b, the foam layer 1113b and the second aluminum foil layer 1112b along the direction from the outer surface 1110 to the inner surface 1112, so that when the sound generator is working and generates heat, the hot air flow inside the sound generator undergoes thermal expansion During the layering, the expanded hot air can be discharged in time through the through hole 1111b, thereby avoiding large deformation of the dome 111, and ensuring the pure sound and reliability of the sounder diaphragm.
  • a sound generator is provided.
  • the sound generator includes the diaphragm of the first embodiment.
  • the sound generator further includes a vibration system 1, a magnetic circuit system 3, a housing vibration system 1 and a magnetic
  • the basin frame 2 of the road system 3 includes a front side 21 facing the diaphragm 11 and a rear side 22 opposite to the front side.
  • the vibration system 1 includes the diaphragm 11 and the voice coil 12 of any one of the above embodiments; the diaphragm
  • the fixing part 113 of 11 is fixedly connected to the front side 21 of the basin frame 2.
  • the magnetic circuit system 3 further includes a lower splint 31, a main magnet 32 and a sub-magnet 33 fixed on the lower splint 31, a magnetic conductive plate 34 and a sub-magnet 33 fixed on the main magnet.
  • the vibration system 1 Surround the main magnet 32 and form a magnetic gap 30 between it and the main magnet 32; the rear side 22 of the basin 2 is fixedly connected to the side of the auxiliary magnet 33 away from the lower splint 31; the vibration system 1 also includes an auxiliary diaphragm 14 and a sleeve A frame 13 connected to the voice coil 12 and fixedly connected to it; the frame 13 includes a support frame 131 connected to the side of the diaphragm 11 facing away from the dome 111 and a leg 132 connected to the auxiliary diaphragm 14.
  • the leg 132 of the frame 13 is self-supporting
  • the frame 131 extends toward the downward splint 31;
  • the auxiliary diaphragm 14 includes a frame portion 141 connected to the rear side of the basin frame 2, a connecting portion 142 connected to the legs 132 of the frame 13, and a vibrating portion 143 connecting the connecting portion 142 and the frame portion 141 .
  • the basin frame and the main magnet are both rectangular with two long axis sides and two short axis sides.
  • the auxiliary magnet 33 includes a first magnet 331 located on both sides of the long axis direction of the main magnet 32 and a second magnet 332 located on both sides of the short axis direction of the main magnet 32.
  • the side wall 24 is provided with a second upper clamping plate 35 extending inwardly and connected to the second magnet 332, and the second upper clamping plate 35 is fixed to an end of the second magnet 332 away from the lower clamping plate 31.
  • the voice coil 12 is located in the magnetic gap and the upper clamping plates 35 are separated by a certain distance.
  • the first upper clamping plate 36, the second upper clamping plate 35 and the lower clamping plate 31 all play the role of magnetic conductivity.
  • a specific configuration structure of the magnetic circuit system 3 is given.
  • a dust-proof net 4 covering the auxiliary diaphragm 14 is provided on the rear side 22 of the basin frame 2.
  • a dust-proof net 4 is provided.

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

Abstract

本申请提供一种振膜。所述振膜包括位于中央位置的球顶、围绕所述球顶的折环部、围绕所述折环部向外延伸形成的固定部，所述球顶包括与空气接触的外表面和与所述外表面相对的内表面，其特征在于，所述球顶设置有用于散热的散热孔。本申请的有益效果在于：通过在振膜上设置用于散热的散热孔，达到更好的散热效果，优化振膜的使用性能。

Description

发声器及其振膜 技术领域
本实用新型涉及发声器材技术领域，尤其涉及一种用于发声器的振膜。
 背景技术
随着科技的快速发展，音频设备也不断快速发展，人们对音频设备的功能性要求越来越高，对于发声器，越来越多人对其音频性能提出了较高的要求。相关技术中，振动系统包括音圈和振膜，且音圈设置于振膜后表面一侧，由于音圈需要通电，因此会造成振膜发热。现有技术的振膜外表面光滑，不利于散热，会对产品的性能造成影响。
因此，有必要提供一种散热更加良好的振膜，来解决上述现有技术的问题。
 技术问题
本实用新型的目的之一在于提供一种加强散热效果的振膜。
 技术解决方案
本实用新型的技术方案如下：一种振膜，所述振膜包括位于中央位置的球顶、围绕所述球顶的折环部、围绕所述折环部向外延伸形成的固定部，所述球顶包括与空气接触的外表面和与该外表面相对的内表面，其特征在于，所述球顶形成有用于散热的散热孔。
优选地，所述散热孔为盲孔，且该盲孔从所述外表面向所述内表面凹陷形成。
优选地，所述散热孔为沿所述外表面至内表面方向贯穿所述球顶的通孔。
优选地，所述球顶还包括形成外表面的第一铝箔层、形成内表面的第二铝箔层及固定于第一铝箔层与第二铝箔层之间的泡棉层。
优选地，所述散热孔的数量为多个，且均匀地排布在所述球顶的外表面。
优选地，所述散热孔的数量为30个，且按5×6矩阵排列。
优选地，所述散热孔为正八边形孔或圆孔。
本实用新型的目的之二是提供一种发声器，包括振动系统，磁路系统，收容所述振动系统和磁路系统的盆架，所述盆架包括面向所述振膜的前侧面和所述前侧面相对的后侧面，其特征在于，所述振动系统包括如以上任意一条所述的振膜和音圈；所述振膜的固定部与所述盆架的前侧面固定相连。
优选的，所述磁路系统还包括下夹板，固定在所述下夹板之上的主磁钢和副磁钢，副磁钢环绕所述主磁钢并与所述主磁钢之间形成磁间隙；所述盆架后侧面与所述副磁钢远离所述下夹板一侧固定相连；所述振动系统还包括辅助振膜和套接所述音圈并与之固定相连的骨架；所述骨架包括与所述振膜背向所述球顶一侧相连的支撑架以及与所述辅助振膜相连的支脚，所述骨架的支脚自所述支撑部向所述下夹板方向延伸；所述辅助振膜包括与所述盆架后侧面相连的边框部，与所述骨架支脚相连的连接部，以及连接所述连接部和边框部的振动部。
优选的，盆架和主磁钢均为具有两长轴边和两短轴边的矩形，所述副磁钢包括位于主磁钢长轴方向两侧的第一磁钢和位于主磁钢短轴方向两侧的第二磁钢，所述盆架长轴方向的侧壁设有向内延伸且与所述第一磁钢相连第一上夹板；所述盆架短轴方向的侧壁设有向内延伸并与所述第二磁钢相连的第二上夹板，所述音圈位于所述磁间隙内且所述上夹板相间隔一定距离。
优选的，所述盆架后侧面设有覆盖所述辅助振膜的防尘网。
 有益效果
与现有技术相比，本实用新型的有益效果在于：通过在振膜上设置用于散热的散热孔，进而达到散热效果更加良好的作用，进而优化振膜的使用性能。
 附图说明
图1为本实用新型实施例一振膜的结构示意图；
图2为本实用新型实施例三发声器的立体示意图；
图3为图2中发声器A-A方向的剖视图示意图；
图4为图2中发声器分解示意图；
图5为图3中B处放大示意图；
图6为本实用新型实施例二球顶的截面示意图。
 本发明的最佳实施方式
下面结合附图和实施方式对本实用新型作进一步说明。
实施例一
请参考图1所示，一种振膜，振膜11包括位于中央位置的球顶111、围绕球顶111的折环部112、围绕折环部112向外延伸形成的固定部113，球顶111包括与空气接触的外表面1110和与该外表面相对的内表面1112，球顶111设置有用于散热的散热孔1111，振膜11的球顶111通过外表面1110形成散热孔1111实现散热。
参见图1-5，本实施例中，所述散热孔1111为形成于球顶111外表面1110的盲孔1111a，且该盲孔1111a从所述外表面1110向所述内表面1112凹陷形成。本优选的方案中给盲孔1111a作为散热孔1111为具体的结构形式。盲孔1111a的具体方案是通过增大与空气的接触面积来实现散热的。需要说明的是，球顶111的外表面是指具体设置在发声器内时，朝向前腔的一面；现有技术中，球顶的外表面以平整且光滑的平面形式朝向前腔，在客观上会发热的情况下，球顶的外表面即为散热面。基于现有情况，盲孔1111a通过增大球顶111外表面1110的面积来实现增强散热，增加面积的具体结构形式包括但不限于盲孔1111a作为球顶111外表面的凸出和凹陷结构。在风冷散热原理中，增加与空气接触面积的结构形式中凸出和凹陷的结构都是可以实现的。
更优的，所述散热孔1111的数量为多个，且均匀地排布在球顶111的外表面。本优选的实施例中，设置多个散热孔1111可以增强散热效果，同时均匀布置，以实现散热均匀。
更优的，散热孔1111的数量为30个，且按5×6矩阵排列。设置30个盲孔并按照矩阵排布，是作为一种结合工艺和尺寸规格的最优实现形式。
更优的，散热孔1111为正八边形孔或圆孔。
实施例二
参见图6，本实施例与实施例一的区别在于，所述散热孔1111为通孔1111b，且所述通孔1111b沿外表面1110至内表面1112方向贯穿所述球顶111，所述球顶111还包括第一铝箔层1110b、第二铝箔层1112b及泡棉层1113b，所述第一铝箔层1110b与泡棉层1113b相固定形成球顶111的外表面1110，所述第二铝箔层1111b与泡棉层1113b相固定形成球顶111的内表面1112。由于铝箔层1113延展性好，便于加工，边沿无明显毛刺，因此可与振膜11的折环部112胶合紧密，可靠性好。所述通孔1111b沿外表面1110至内表面1112方向贯穿第一铝箔层1110b，泡棉层1113b和第二铝箔层1112b，使得发声器工作发热时，发声器内侧受热膨胀的热气流经泡棉层时得以通过通孔1111b将膨胀热空气及时排出，从而避免球顶111大变形，保证了发声器振膜的产品纯音和可靠性。
实施例三
请参考图2-4，本实施例中提供了一种发声器，该发声器包含实施例一的振膜，所述发声器还包括振动系统1，磁路系统3，收容振动系统1和磁路系统3的盆架2，盆架2包括面向振膜11的前侧面21和前侧面相对的后侧面22，振动系统1包括以上实施例中任意一项的振膜11和音圈12；振膜11的固定部113与盆架2的前侧面21固定相连。
上述发声器的方案中，给出了振膜11在盆架2上的具体设置结构形式。
更优的，磁路系统3还包括下夹板31，固定在下夹板31之上的主磁钢32和副磁钢33，固定于所述主磁钢之上的导磁板34，副磁钢33环绕主磁钢32并与主磁钢32之间形成磁间隙30；盆架2的后侧面22与副磁钢33远离下夹板31一侧固定相连；振动系统1还包括辅助振膜14和套接音圈12并与之固定相连的骨架13；骨架13包括与振膜11背向球顶111一侧相连的支撑架131以及与辅助振膜14相连的支脚132，骨架13的支脚132自支撑架131向下夹板31方向延伸；辅助振膜14包括与盆架2后侧面相连的边框部141，与骨架13支脚132相连的连接部142，以及连接连接部142和边框部141的振动部143。
更优的，盆架和主磁钢均为具有两长轴边和两短轴边的矩形。副磁钢33包括位于主磁钢32长轴方向两侧的第一磁钢331和位于主磁钢32短轴方向两侧的第二磁钢332，盆架2长轴方向的侧壁23设有向内延伸并与与第一磁钢331相连的第一上夹板36，第一上夹板36固定于所述第一磁钢331远离所述下夹板31的一端；盆架2短轴方向的侧壁24设有向内延伸并与第二磁钢332相连的第二上夹板35，所述第二上夹板35固定于所述第二磁钢332远离所述下夹板31的一端。音圈12位于磁间隙内且上夹板35相间隔一定距离。第一上夹板36和第二上夹板35以及下夹板31都是起到导磁的作用。本优选的方案中，给出了磁路系统3的具体设置结构形式。
更优的，盆架2后侧面22设有覆盖辅助振膜14的防尘网4。本优选的方案中，给出了防尘网4。
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 (11)

  1. 一种振膜，所述振膜包括位于中央位置的球顶、围绕所述球顶的折环部、围绕所述折环部向外延伸形成的固定部，所述球顶包括与空气接触的外表面和与该外表面相对的内表面，其特征在于，所述球顶形成有用于散热的散热孔。
  2. 根据权利要求1所述的振膜，其特征在于：所述散热孔为盲孔，且所述盲孔从所述外表面向所述内表面凹陷形成。
  3. 根据权利要求1所述的振膜，其特征在于：所述散热孔为沿所述外表面至内表面方向贯穿所述球顶的通孔。
  4. 根据权利要求3所述的振膜，其特征在于：所述球顶还包括形成外表面的第一铝箔层、形成内表面的第二铝箔层及固定于第一铝箔层与第二铝箔层之间的泡棉层。
  5. 根据权利要求1所述的振膜，其特征在于：所述散热孔的数量为多个，且均匀地排布在所述球顶的外表面。
  6. 根据权利要求5所述的振膜，其特征在于：所述散热孔的数量为30个，且按5×6矩阵排列。
  7. 根据权利要求6所述的振膜，其特征在于：所述散热孔为正八边形孔或圆孔。
  8. 一种发声器，包括振动系统，磁路系统，收容所述振动系统和磁路系统的盆架，所述盆架包括面向所述振膜的前侧面和所述前侧面相对的后侧面，其特征在于，所述振动系统包括如权利要求1-5所述的振膜和音圈；所述振膜的固定部与所述盆架的前侧面固定相连。
  9. 根据权利要求8所述的发声器，其特征在于：所述磁路系统还包括下夹板，固定在所述下夹板之上的主磁钢和副磁钢，副磁钢环绕所述主磁钢并与所述主磁钢之间形成磁间隙；所述盆架后侧面与所述副磁钢远离所述下夹板一侧固定相连；所述振动系统还包括辅助振膜和套接所述音圈并与之固定相连的骨架；所述骨架包括与所述振膜背向所述球顶一侧相连的支撑架以及与所述辅助振膜相连的支脚，所述骨架的支脚自所述支撑部向所述下夹板方向延伸；所述辅助振膜包括与所述盆架后侧面相连的边框部，与所述骨架支脚相连的连接部，以及连接所述连接部和边框部的振动部。
  10. 根据权利要求9所述的发声器，其特征在于：盆架和主磁钢均为具有两长轴边和两短轴边的矩形，所述副磁钢包括位于主磁钢长轴方向两侧的第一磁钢和位于主磁钢短轴方向两侧的第二磁钢，所述盆架长轴方向的侧壁设有向内延伸且与所述第一磁钢相连第一上夹板；所述盆架短轴方向的侧壁设有向内延伸并与所述第二磁钢相连的第二上夹板，所述音圈位于所述磁间隙内且所述上夹板相间隔一定距离。
  11. 根据权利要求10所述的发声器，其特征在于：所述盆架后侧面设有覆盖所述辅助振膜的防尘网。
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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202455528U (zh) * 2011-12-30 2012-09-26 瑞声声学科技(常州)有限公司 薄型扬声器
CN103458343A (zh) * 2012-05-29 2013-12-18 李克明 一种用于扬声器发生装置的弹波及该弹波的制作方法
CN205987363U (zh) * 2016-08-26 2017-02-22 深圳市音沃仕科技有限公司 电声换能器
US20180115822A1 (en) * 2015-03-31 2018-04-26 Goertek Inc. Sounder module
CN208462050U (zh) * 2018-06-22 2019-02-01 信利光电股份有限公司 一种扬声器振膜及扬声器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202455528U (zh) * 2011-12-30 2012-09-26 瑞声声学科技(常州)有限公司 薄型扬声器
CN103458343A (zh) * 2012-05-29 2013-12-18 李克明 一种用于扬声器发生装置的弹波及该弹波的制作方法
US20180115822A1 (en) * 2015-03-31 2018-04-26 Goertek Inc. Sounder module
CN205987363U (zh) * 2016-08-26 2017-02-22 深圳市音沃仕科技有限公司 电声换能器
CN208462050U (zh) * 2018-06-22 2019-02-01 信利光电股份有限公司 一种扬声器振膜及扬声器

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