WO2022007167A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2022007167A1
WO2022007167A1 PCT/CN2020/113930 CN2020113930W WO2022007167A1 WO 2022007167 A1 WO2022007167 A1 WO 2022007167A1 CN 2020113930 W CN2020113930 W CN 2020113930W WO 2022007167 A1 WO2022007167 A1 WO 2022007167A1
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WO
WIPO (PCT)
Prior art keywords
sound
frame
fixed
skeleton
section
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/CN2020/113930
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English (en)
French (fr)
Inventor
肖波
孔晨亮
章统
令狐荣林
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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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 WO2022007167A1 publication Critical patent/WO2022007167A1/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.
  • a related art sound-generating device includes a basin frame, a vibration system fixed on the basin frame, and a magnetic circuit system that drives the vibration system to vibrate and has a magnetic gap; the vibration system includes a diaphragm for vibrating and sounding.
  • the sound-emitting device has poor sealing performance and low assembly efficiency, and when the basin frame and the diaphragm are glued and fixed, the glue easily flows into the magnetic gap, which greatly reduces the production efficiency and acoustic performance of the sound-emitting device.
  • the purpose of the utility model is to provide a sounding device with better sounding effect.
  • the present utility model provides a sounding device, which includes 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 sound, and the magnetic circuit system has a magnetic gap.
  • the vibration system includes a diaphragm fixed on the basin frame
  • the sound-emitting device further includes an upper cover covered on the diaphragm
  • the basin frame, the diaphragm and the upper cover are integrally injection-molded forming
  • the diaphragm includes two sub-diaphragms arranged at intervals on opposite sides of the magnetic circuit system and a connecting portion connecting the two sub-diaphragms and fixed to the basin frame, and the upper cover is located on the Between the two sub-diaphragms; each of the sub-diaphragms includes a vibrating portion, a ring portion bent and extended from the periphery of the vibrating portion, and a ring portion away from the vibrating portion by the ring portion.
  • the fixing portion includes a first fixing portion located on the side of the vibrating portion away from the upper cover and fixed to the basin frame, and is relatively spaced from and fixed to the first fixing portion a second fixing part of the magnetic circuit system and a third fixing part that connects the first fixing part and the second fixing part and is fixed to the basin frame;
  • the upper cover includes a cover plate spaced from the second fixing portion and a surrounding wall that is bent and extended from the periphery of the cover plate to the magnetic circuit system, and the surrounding wall is simultaneously connected to the second fixing portion. and the connecting portion is fixedly connected.
  • the basin frame is a steel ring.
  • the vibration system further comprises a voice coil inserted in the magnetic gap to drive the sub-diaphragm to vibrate, a skeleton for suspending the voice coil in the magnetic gap, and a voice coil approached by the sub-diaphragm.
  • a voice coil inserted in the magnetic gap to drive the sub-diaphragm to vibrate, a skeleton for suspending the voice coil in the magnetic gap, and a voice coil approached by the sub-diaphragm.
  • An escape space formed by a side of the magnetic circuit system being recessed away from the magnetic circuit system;
  • the skeleton includes a skeleton body respectively fixed on one side of the two sub-diaphragms close to the magnetic circuit system and a first skeleton connecting arm formed by the skeleton body extending toward the voice coil.
  • the skeleton connecting arm extends into the magnetic gap and is connected with the voice coil;
  • the avoidance space is disposed opposite to the first frame connecting arm, so as to provide a vibration space for the first frame connecting arm.
  • the magnetic circuit system includes a magnetic yoke fixed on the side of the basin frame away from the vibrating membrane, a main magnetic steel assembly fixed on the magnetic yoke, and a main magnetic steel assembly spaced apart from the main magnetic steel assembly.
  • the secondary magnetic steel component of the magnetic gap, the second fixing portion is fixed to the secondary magnetic steel component.
  • the voice coil has a rectangular structure with rounded corners, and each of the skeleton body extends out of two first skeleton connecting arms, and the two first skeleton connecting arms are respectively connected to the adjacent ones.
  • the avoidance spaces are provided at opposite ends of the second fixing portion.
  • the skeleton further includes two second skeleton connecting arms that connect the two skeleton bodies and are disposed opposite to each other.
  • the two second skeleton connecting arms are respectively located outside the two short axes of the voice coil, and the first skeleton connecting arms are connected to the adjacent second skeleton connecting arms.
  • the second fixing part includes a first section fixed to the secondary magnetic steel assembly, and is bent and extended from an end of the first section close to the first frame connecting arm in a direction away from the magnetic circuit system the second segment of the One end of the segment extends toward the direction close to the third fixing part and is connected to the fourth segment;
  • the fifth section, the avoidance space is jointly formed by the second section, the third section and the fourth section; the third section and the fourth section are away from one end of the second section are fixed to the basin frame.
  • the vibration system further includes an elastic conductive member fixed on the side of the basin frame away from the vibrating membrane, the elastic conductive member includes an elastic conductive member main body and two opposite sides of the elastic conductive member main body respectively a first extension arm and a second extension arm formed by extension; the first extension arm is fixed to the basin frame, the second extension arm is fixed to the end of the frame body away from the vibration part, the second extension arm is The extension arm is provided with a pad electrically connected to the voice coil.
  • the vibration system further includes an auxiliary diaphragm attached to the side of the elastic conductive member away from the diaphragm.
  • the sound-generating device of the present invention comprises 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 emit sound.
  • the magnetic circuit system has a magnetic gap
  • the The vibration system includes a vibrating membrane fixed on the basin frame
  • the sound generating device further includes an upper cover covering the vibrating membrane
  • the basin frame, the vibrating membrane and the upper cover are integrally injection-molded.
  • the pot frame, the diaphragm and the upper cover do not need to be fixed by gluing
  • the pot frame and the upper cover do not have the limitation of the width of the gluing edge, and the pot frame and the upper cover can be glued together.
  • the wall thickness is thin, which can increase the vibration area of the diaphragm, which helps to improve the overall performance of the sound-emitting device, and the arrangement of this structure does not have the problem of glue entering the magnetic gap, which improves the pure sound yield of the sound-emitting device.
  • Fig. 1 is the stereo structure schematic diagram of the sound-emitting device of the present invention
  • Fig. 2 is the three-dimensional structure exploded schematic diagram of the sound-emitting device of the present invention
  • FIG. 3 is a cross-sectional view of the sound-emitting device of the present invention.
  • FIG. 4 is a schematic structural diagram of the sub-diaphragm of the present invention.
  • the present invention provides a sound-generating device 100
  • the sound-generating device 100 includes a basin frame 1, a vibration system 2 respectively fixed to the basin frame 1, and a vibration system 2 that drives the vibration system 2 to vibrate and emit sound.
  • Magnetic circuit system 3 with magnetic gap 30 Magnetic circuit system 3 with magnetic gap 30 .
  • the basin frame 1 is a steel ring.
  • the vibrating system 2 includes a vibrating membrane 21 fixed to the basin frame 1 .
  • the sound-generating device 100 further includes an upper cover 4 covering the diaphragm 21 , and the basin frame 1 , the diaphragm 21 and the upper cover 4 are integrally injection-molded.
  • the arrangement of this structure saves the assembly process among the basin frame 1 , the diaphragm 21 and the upper cover 4 while ensuring the sealing, thereby improving the production efficiency and waterproof level of the sound-emitting device 100 .
  • the pot frame 1 , the diaphragm 21 and the upper cover 4 do not need to be glued and fixed, the pot frame 1 and the upper cover 4 do not have the limitation of the width of the gluing edge, and the pot frame 1 and the upper cover 4 can be glued together.
  • the wall thicknesses of the frame 1 and the upper cover 4 are made thinner, so that the vibration area of the diaphragm 21 can be increased, which helps to improve the overall performance of the sound-emitting device, and the arrangement of this structure does not have the trouble of glue entering the magnetic gap, which improves the sound-emitting device. 100 pure tone yield.
  • the diaphragm 21 includes two sub-diaphragms 211 disposed at intervals on opposite sides of the magnetic circuit system 3 respectively, and a connecting portion 212 connecting the two sub-diaphragms 211 and fixed to the basin frame 1 .
  • the sub-diaphragm 211 includes a vibrating portion 2111, a ring portion 2112 bent and extended from the periphery of the vibrating portion 2111, and a fixing portion 2113 bent and extended from a side of the ring portion 2112 away from the vibrating portion 2111;
  • the fixing portion 2113 includes a first fixing portion 21131 located on the side of the vibrating portion 2111 away from the upper cover 4 and fixed to the basin frame 1 , and is spaced apart from the first fixing portion 21131 and fixed to the The second fixing portion 21132 of the magnetic circuit system 3 and the third fixing portion 21133 connecting the first fixing portion 21131 and the second fixing portion 21132 and being fixed to the basin frame 1 .
  • the upper cover 4 includes a cover plate 41 spaced from the second fixing portion 21132 and a surrounding wall 42 bent and extended from the periphery of the cover plate 41 to the magnetic circuit system 3 .
  • the surrounding wall 42 simultaneously It is fixedly connected with the second fixing portion 21132 and the connecting portion 212 .
  • the vibration system 2 further includes a voice coil 22 inserted in the magnetic gap 30 to drive the sub-diaphragm 211 to vibrate, and a skeleton 23 suspending the voice coil 22 in the magnetic gap 30 .
  • the voice coil 22 has a rectangular structure with rounded corners, of course, it is not limited to this.
  • the frame 23 includes two frame bodies 231 respectively fixed to the two sub-diaphragms 211 near the magnetic circuit system 3 , and a first frame body 231 extending in the direction of the voice coil 22 and formed by the frame body 231 .
  • the two second frame connecting arms 233 are respectively located outside the two short axes of the voice coil 22 , and the first frame connecting arms 232 are connected to the adjacent second frame connecting arms 233 .
  • two first skeleton connecting arms 232 extend from each skeleton body 231 , and the two first skeleton connecting arms 232 are respectively connected to two adjacent ends of the long axis of the voice coil 22 .
  • a space is formed for the magnetic circuit system 3, so that the space utilization rate is better and the volume is smaller.
  • each sub-diaphragm 211 includes two avoidance spaces 20 , and the two avoidance spaces 20 are disposed at opposite ends of the second fixing portion 21132 .
  • the voice coil 22 drives the sub-diaphragm 211 to vibrate through the frame 23. Since the sub-diaphragm 211 is provided with the avoidance space 20 corresponding to the first frame connecting arm 232, the vibration space of the frame 23 becomes larger, and the sound-emitting device 100 better acoustic performance.
  • the recessed depth of the avoidance space 20 is less than or equal to the height of the ring portion 2112 along the vibration direction, that is, the height of the avoidance space 20 does not exceed the height of the ring portion 2112 . , which ensures better acoustic performance without increasing the height of the sound-emitting device 100 .
  • the recessed depth of the avoidance space 20 can be flexibly adjusted according to the height of the first frame connecting arm 232 along the vibration direction, so as to improve the acoustic performance while ensuring the strength of the first frame connecting arm 232 .
  • the vibration system 2 further includes an elastic conductive member 24 fixed on the side of the basin frame 1 away from the vibrating membrane 21 .
  • a first extension arm 242 and a second extension arm 243 are respectively extended on opposite sides; the first extension arm 242 is fixed to the basin frame 1 , and the second extension arm 243 is fixed to the frame body 231 away from all At one end of the vibrating portion 2111 , the second extension arm 243 is provided with a pad 244 that is electrically connected to the voice coil 22 .
  • the vibration system 2 further includes an auxiliary diaphragm 25 attached to the side of the elastic conductive member 24 away from the diaphragm 21 .
  • the magnetic circuit system 3 includes a magnetic yoke 31 fixed on the side of the basin frame 1 away from the diaphragm 21 , a main magnetic steel assembly 32 fixed on the magnetic yoke 31 , and the main magnetic steel assembly. 32 is spaced from the secondary magnetic steel component 33 forming the magnetic gap 30 , and the second fixing portion 21132 is fixed to the secondary magnetic steel component 33 .
  • the second fixing portion 21132 includes a first section 211321 fixed to the secondary magnetic steel assembly 33 , and an end of the first section 211321 that is close to the first frame connecting arm 232 moves away from the magnetic circuit.
  • the second section 211322 bent and extended in the system 3 direction, the third section 211323 bent and extended from the end of the second section 211322 away from the first section 211321 and spaced from the first frame connecting arm 232,
  • the fourth segment 211324 extending from the end of the third segment 211323 away from the second segment 211322 toward the third fixing portion 21133 and connected to the third fixing portion 21133 and the first segment 211321
  • a fifth section 211325 that protrudes from the side away from the secondary magnetic steel assembly 33 in the direction of the upper cover 4 , the avoidance space 20 consists of the second section 211322 , the third section 211323 and the fourth section 211324
  • the end of the third section 211323 and the fourth section 211324 away from the second section 211322 are both fixed to the basin frame
  • the sound-generating device of the present invention comprises 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 emit sound.
  • the magnetic circuit system has a magnetic gap
  • the The vibration system includes a vibrating membrane fixed on the basin frame
  • the sound generating device further includes an upper cover covering the vibrating membrane
  • the basin frame, the vibrating membrane and the upper cover are integrally injection-molded.
  • the pot frame, the diaphragm and the upper cover do not need to be glued and fixed, the pot frame and the upper cover do not have the limitation of the width of the glued edges, and the pot frame and the upper cover can be glued together.
  • the wall thickness is thin, which can increase the vibration area of the diaphragm, which helps to improve the overall performance of the sound-emitting device, and the arrangement of this structure does not have the problem of glue entering the magnetic gap, which improves the pure sound yield of the sound-emitting device.
  • the present utility model provides an embodiment of the present utility model as described above, which is not intended to limit the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the contents of the specification and accompanying drawings of the present utility model, or Directly or indirectly used in other related technical fields, are all similarly included in the scope of patent protection of the present invention.

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

Abstract

本实用新型提供了一种发声器件，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，所述振动系统包括固定于所述盆架的振膜，所述发声器件还包括盖设于所述振膜的上盖，所述盆架、所述振膜以及所述上盖为一体注塑成型。与相关技术相比，本实用新型的发声器件的密封效果好，装配效率高，声学性能更优。

Description

发声器件 技术领域
本实用新型涉及声电领域，尤其涉及一种发声器件。
 背景技术
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。
相关技术的发声器件包括盆架、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且具有磁间隙的磁路系统；所述振动系统包括用于振动发声的振膜。
 技术问题
然而，相关技术中，发声器件的密封性差，装配效率低，而且盆架与振膜打胶固定时，胶水容易流入磁间隙内，极大的降低了发声器件的生产效率及声学性能。
因此，有必要提供一种新的发声器件解决上述问题。
 技术解决方案
本实用新型的目的在于提供一种发声效果更好的发声器件。
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、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，所述振动系统包括固定于所述盆架的振膜，所述发声器件还包括盖设于所述振膜的上盖，所述盆架、所述振膜以及所述上盖为一体注塑成型；所述振膜包括分别间隔设置于所述磁路系统相对两侧的两个子振膜和连接两个所述子振膜且固定于所述盆架的连接部，所述上盖位于所述两个所述子振膜之间；每一所述子振膜包括振动部、由所述振动部的周缘弯折延伸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的固定部；所述固定部包括位于所述振动部远离所述上盖一侧且固定于所述盆架的第一固定部、与所述第一固定部相对间隔设置且固定于所述磁路系统的第二固定部以及连接所述第一固定部和所述第二固定部且固定于所述盆架的第三固定部；
所述上盖包括与所述第二固定部间隔设置的盖板和由所述盖板的周缘向所述磁路系统弯折延伸的围壁，所述围壁同时与所述第二固定部及所述连接部固定连接。
优选的，所述盆架为钢环。
优选的，所述振动系统还包括插设于所述磁间隙以驱动所述子振膜振动的音圈、将所述音圈悬置于所述磁间隙的骨架以及由所述子振膜靠近所述磁路系统的一侧向远离所述磁路系统方向凹陷形成的避让空间；
所述骨架包括分别固定于两个所述子振膜靠近所述磁路系统一侧的骨架本体以及由所述骨架本体向所述音圈方向延伸形成的第一骨架连接臂，所述第一骨架连接臂延伸至所述磁间隙内并与所述音圈连接；
所述避让空间与所述第一骨架连接臂正对设置，用以为所述第一骨架连接臂提供振动空间。
优选的，所述磁路系统包括固定于所述盆架远离所述振膜一侧的磁轭、固定设置于所述磁轭上的主磁钢组件、与所述主磁钢组件间隔形成所述磁间隙的副磁钢组件，所述第二固定部固定于所述副磁钢组件。
优选的，所述音圈呈带圆角的矩形结构，每一所述骨架本体延伸出两个所述第一骨架连接臂，且该两个所述第一骨架连接臂分别连接至相邻的所述音圈的长轴两端的两个所述圆角，所述避让空间设置于所述第二固定部的相对两端。
优选的，所述骨架还包括连接两个所述骨架本体且呈相对设置的两个第二骨架连接臂。
优选的，两个所述第二骨架连接臂分别位于所述音圈的两个短轴的外侧，所述第一骨架连接臂连接于相邻的所述第二骨架连接臂。
优选的，所述第二固定部包括固定于所述副磁钢组件的第一段、由所述第一段靠近所述第一骨架连接臂的一端向远离所述磁路系统方向弯折延伸的第二段、由所述第二段的远离所述第一段的一端弯折延伸且与所述第一骨架连接臂间隔设置的第三段、由所述第三段远离所述第二段的一端向靠近所述第三固定部方向延伸且与所述第三固定部连接的第四段以及由所述第一段远离所述副磁钢组件的一侧向上盖方向凸出延伸的第五段，所述避让空间由所述第二段、所述第三段以及所述第四段共同围设形成；所述第三段及所述第四段远离所述第二段的一端均固定于所述盆架。
优选的，所述振动系统还包括固定于所述盆架远离所述振膜一侧的弹性导电件，所述弹性导电件包括弹性导电件主体以及由所述弹性导电件主体的相对两侧分别延伸形成的第一延伸臂和第二延伸臂；所述第一延伸臂固定于所述盆架，所述第二延伸臂固定于所述骨架本体远离所述振动部的一端，所述第二延伸臂设有与所述音圈电连接的焊盘。
优选的，所述振动系统还包括贴设于所述弹性导电件远离所述振膜一侧的辅助振膜。
 有益效果
与相关技术相比，本实用新型的发声器件包括盆架、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，所述振动系统包括固定于所述盆架的振膜，所述发声器件还包括盖设于所述振膜的上盖，所述盆架、所述振膜以及所述上盖为一体注塑成型。该结构的设置，省去了盆架、振膜以及上盖三者之间的装配工序的同时又保证了密封性，进而提升了发声器件生产效率及防水等级。另一方面，因所述盆架、所述振膜以及所述上盖三者之间不需要通过打胶固定，盆架和上盖没有胶合边宽的限制，可以将盆架和上盖的壁厚做薄，进而可以增大振膜的振动面积，有助于提高发声器件的整体性能，且该结构的设置没有胶水进入磁间隙的困扰，改善了发声器件的纯音良率。
 附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本实用新型发声器件的立体结构示意图
图2为本实用新型发声器件的立体结构分解示意图；
图3为本实用新型发声器件的剖视图；
图4为本实用新型子振膜的结构示意图。
 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。
请参考图1-4所示，本实用新型提供一种发声器件100，该发声器件100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30。
在本实施方式中，所述盆架1为钢环。
所述振动系统2包括固定于所述盆架1的振膜21。
在本实施方式中，所述发声器件100还包括盖设于所述振膜21的上盖4，所述盆架1、所述振膜21以及所述上盖4为一体注塑成型。该结构的设置，省去了盆架1、振膜21以及上盖4三者之间的装配工序的同时又保证了密封性，进而提升了发声器件100生产效率及防水等级。另一方面，因所述盆架1、所述振膜21以及所述上盖4三者之间不需要通过打胶固定，盆架1和上盖4没有胶合边宽的限制，可以将盆架1和上盖4的壁厚做薄，进而可以增大振膜21的振动面积，有助于提高发声器件的整体性能，且该结构的设置没有胶水进入磁间隙的困扰，改善了发声器件100的纯音良率。
具体的，所述振膜21包括分别间隔设置于所述磁路系统3相对两侧的两个子振膜211和连接两个子振膜211且固定于所述盆架1的连接部212，每一所述子振膜211包括振动部2111、由振动部2111的周缘弯折延伸的折环部2112以及由所述折环部2112远离所述振动部2111的一侧弯折延伸的固定部2113；所述固定部2113包括位于所述振动部2111远离所述上盖4一侧且固定于所述盆架1的第一固定部21131、与所述第一固定部21131相对间隔设置且固定于所述磁路系统3的第二固定部21132以及连接所述第一固定部21131和所述第二固定部21132且固定于所述盆架1的第三固定部21133。所述上盖4包括与所述第二固定部21132间隔设置的盖板41和由所述盖板41的周缘向所述磁路系统3弯折延伸的围壁42，所述围壁42同时与所述第二固定部21132及所述连接部212固定连接。
所述振动系统2还包括插设于所述磁间隙30以驱动所述子振膜211振动的音圈22和将所述音圈22悬置于所述磁间隙30的骨架23。
在本实施方式中，所述音圈22呈带圆角的矩形结构，当然，不限于此。
所述骨架23包括分别固定于两个所述子振膜211靠近所述磁路系统3一侧的两个骨架本体231、由所述骨架本体231向所述音圈22方向延伸形成的第一骨架连接臂232以及连接两个所述骨架本体231且呈相对设置的两个第二骨架连接臂233，所述第一骨架连接臂232延伸至所述磁间隙30内并与所述音圈22连接，两个所述第二骨架连接臂233分别位于所述音圈22的两个短轴的外侧，所述第一骨架连接臂232连接于相邻的所述第二骨架连接臂233。本实施方式中，每一骨架本体231延伸出两个所述第一骨架连接臂232，这两个第一骨架连接臂232分别连接至相邻的所述音圈22的长轴两端的两个所述圆角；两个骨架本体231分别延伸形成且呈相对设置的两个第一骨架连接臂232；骨架本体231、第一骨架连接臂232以及第二骨架连接臂233围成环状结构以对磁路系统3形成让位空间，使得空间利用率更好，体积更小。
所述子振膜211对应所述第一骨架连接臂232的位置处设有避让空间20，即所述子振膜211由其靠近所述磁路系统3的一侧向远离所述所述磁路系统3方向凹陷形成避让空间20，所述避让空间20与所述第一骨架连接臂232正对设置用以为所述第一骨架连接臂232提供振动空间。本实施方式中，每一子振膜211包括两个避让空间20，两个避让空间20设置于所述第二固定部21132的相对两端。音圈22通过骨架23驱动子振膜211振动，由于所述子振膜211对应所述第一骨架连接臂232设有所述避让空间20，使得所述骨架23振动空间变大，发声器件100的声学性能更好。
更优的，本实施方式中，所述避让空间20的凹陷深度小于或等于所述折环部2112沿所述振动方向的高度，即避让空间20的高度未超过所述折环部2112的高度，保证了发声器件100的高度不增加的同时，其声学性能更优。当然，所述避让空间20的凹陷深度可以根据第一骨架连接臂232的沿振动方向高度灵活调整，在保证第一骨架连接臂232的强度情况下改善声学性能。
所述振动系统2还包括固定于所述盆架1离所述振膜21一侧的弹性导电件24，所述弹性导电件24包括弹性导电件主体241以及由所述弹性导电件主体241的相对两侧分别延伸形成的第一延伸臂242和第二延伸臂243；所述第一延伸臂242固定于所述盆架1，所述第二延伸臂243固定于所述骨架本体231远离所述振动部2111的一端，所述第二延伸臂243设有与所述音圈22电连接的焊盘244。
为了抑制所述音圈22的横向摆动，所述振动系统2还包括贴设于所述弹性导电件24远离所述振膜21一侧的辅助振膜25。
所述磁路系统3包括固定于所述盆架1远离所述振膜21一侧的磁轭31、固定设置于所述磁轭31上的主磁钢组件32、与所述主磁钢组件32间隔形成所述磁间隙30的副磁钢组件33，所述第二固定部21132固定于所述副磁钢组件33。
进一步的，所述第二固定部21132包括固定于所述副磁钢组件33的第一段211321、由所述第一段211321靠近所述第一骨架连接臂232的一端向远离所述磁路系统3方向弯折延伸的第二段211322、由所述第二段211322的远离所述第一段211321的一端弯折延伸且与所述第一骨架连接臂232间隔设置的第三段211323、由所述第三段211323远离所述第二段211322的一端向靠近所述第三固定部21133方向延伸且与所述第三固定部21133连接的第四段211324以及由所述第一段211321远离所述副磁钢组件33的一侧向上盖4方向凸出延伸的第五段211325，所述避让空间20由所述第二段211322、所述第三段211323以及所述第四段211324共同围设形成；所述第三段211323及所述第四段211324远离所述第二段211322的一端均固定于所述盆架1。
与相关技术相比，本实用新型的发声器件包括盆架、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，所述振动系统包括固定于所述盆架的振膜，所述发声器件还包括盖设于所述振膜的上盖，所述盆架、所述振膜以及所述上盖为一体注塑成型。该结构的设置，省去了盆架、振膜以及上盖三者之间的装配工序的同时又保证了密封性，进而提升了发声器件生产效率及防水等级。另一方面，因所述盆架、所述振膜以及所述上盖三者之间不需要通过打胶固定，盆架和上盖没有胶合边宽的限制，可以将盆架和上盖的壁厚做薄，进而可以增大振膜的振动面积，有助于提高发声器件的整体性能，且该结构的设置没有胶水进入磁间隙的困扰，改善了发声器件的纯音良率。
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。

Claims (10)

  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，所述振动系统包括固定于所述盆架的振膜，所述发声器件还包括盖设于所述振膜的上盖，其特征在于，所述盆架、所述振膜以及所述上盖为一体注塑成型；
    所述振膜包括分别间隔设置于所述磁路系统相对两侧的两个子振膜和连接两个所述子振膜且固定于所述盆架的连接部，所述上盖位于所述两个所述子振膜之间；每一所述子振膜包括振动部、由所述振动部的周缘弯折延伸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的固定部；所述固定部包括位于所述振动部远离所述上盖一侧且固定于所述盆架的第一固定部、与所述第一固定部相对间隔设置且固定于所述磁路系统的第二固定部以及连接所述第一固定部和所述第二固定部且固定于所述盆架的第三固定部；
    所述上盖包括与所述第二固定部间隔设置的盖板和由所述盖板的周缘向所述磁路系统弯折延伸的围壁，所述围壁同时与所述第二固定部及所述连接部固定连接。
  2. 根据权利要求1中所述的发声器件，其特征在于，所述盆架为钢环。
  3. 根据权利要求1中所述的发声器件，其特征在于，所述振动系统还包括插设于所述磁间隙以驱动所述子振膜振动的音圈、将所述音圈悬置于所述磁间隙的骨架以及由所述子振膜靠近所述磁路系统的一侧向远离所述磁路系统方向凹陷形成的避让空间；
    所述骨架包括分别固定于两个所述子振膜靠近所述磁路系统一侧的两个骨架本体以及由所述骨架本体向所述音圈方向延伸形成的第一骨架连接臂，所述第一骨架连接臂延伸至所述磁间隙内并与所述音圈连接；
    所述避让空间与所述第一骨架连接臂正对设置，用以为所述第一骨架连接臂提供振动空间。
  4. 根据权利要求3中所述的发声器件，其特征在于，所述磁路系统包括固定于所述盆架远离所述振膜一侧的磁轭、固定设置于所述磁轭上的主磁钢组件以及与所述主磁钢组件间隔形成所述磁间隙的副磁钢组件，所述第二固定部固定于所述副磁钢组件。
  5. 根据权利要求4中所述的发声器件，其特征在于，所述音圈呈带圆角的矩形结构，每一所述骨架本体延伸出两个所述第一骨架连接臂，且该两个所述第一骨架连接臂分别连接至相邻的所述音圈的长轴两端的两个所述圆角，所述避让空间设置于所述第二固定部的相对两端。
  6. 根据权利要求5中所述的发声器件，其特征在于，所述骨架还包括连接两个所述骨架本体且呈相对设置的两个第二骨架连接臂。
  7. 根据权利要求6中所述的发声器件，其特征在于，两个所述第二骨架连接臂分别位于所述音圈的两个短轴的外侧，所述第一骨架连接臂连接于相邻的所述第二骨架连接臂。
  8. 根据权利要求7中所述的发声器件，其特征在于，所述第二固定部包括固定于所述副磁钢组件的第一段、由所述第一段靠近所述第一骨架连接臂的一端向远离所述磁路系统方向弯折延伸的第二段、由所述第二段的远离所述第一段的一端弯折延伸且与所述第一骨架连接臂间隔设置的第三段、由所述第三段远离所述第二段的一端向靠近所述第三固定部方向延伸且与所述第三固定部连接的第四段以及由所述第一段远离所述副磁钢组件的一侧向上盖方向凸出延伸的第五段，所述避让空间由所述第二段、所述第三段以及所述第四段共同围设形成；所述第三段及所述第四段远离所述第二段的一端均固定于所述盆架。
  9. 根据权利要求3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远离所述振膜一侧的弹性导电件，所述弹性导电件包括弹性导电件主体以及由所述弹性导电件主体的相对两侧分别延伸形成的第一延伸臂和第二延伸臂；所述第一延伸臂固定于所述盆架，所述第二延伸臂固定于所述骨架本体远离所述振动部的一端，所述第二延伸臂设有与所述音圈电连接的焊盘。
  10. 根据权利要求9中所述的发声器件，其特征在于，所述振动系统还包括贴设于所述弹性导电件远离所述振膜一侧的辅助振膜。
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