WO2019041260A1 - 一种一体化设计的骨传导驱动器 - Google Patents

一种一体化设计的骨传导驱动器 Download PDF

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Publication number
WO2019041260A1
WO2019041260A1 PCT/CN2017/100013 CN2017100013W WO2019041260A1 WO 2019041260 A1 WO2019041260 A1 WO 2019041260A1 CN 2017100013 W CN2017100013 W CN 2017100013W WO 2019041260 A1 WO2019041260 A1 WO 2019041260A1
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Prior art keywords
voice coil
cup holder
bone conduction
annular portion
inner annular
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PCT/CN2017/100013
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English (en)
French (fr)
Inventor
耿军
Original Assignee
耿军
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Priority to PCT/CN2017/100013 priority Critical patent/WO2019041260A1/zh
Publication of WO2019041260A1 publication Critical patent/WO2019041260A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/02—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception adapted to be supported entirely by ear
    • 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 invention relates to the technical field of bone conduction speaker technology earphones.
  • Bone conduction is a form of sound conduction, which converts sound into mechanical vibrations of different frequencies, and transmits sound waves through human skull, bone labyrinth, inner ear lymphatic transmission, auger, auditory nerve, and auditory center.
  • Current bone conduction loudspeakers generally use the facial cheekbone to directly conduct sound.
  • bone conduction eliminates many steps of sound wave transmission, enabling clear sound in noisy environments. Restore, and the sound waves will not affect others because of the spread in the air, but also can release both ears without harming the tympanic membrane.
  • the existing bone conduction speaker has a complicated process, a large volume, a thick, cumbersome, and insufficient technique for wearing a comfortable coma.
  • the present invention aims to solve the problem that the current bone conduction speaker process is complicated and the wearing comfort is poor, and an integrated design bone conduction driver is proposed.
  • An integrally designed bone conduction drive comprising a vibrating plate, a voice coil, a shrapnel, a magnet, a washer, and a cup holder, wherein:
  • the voice coil includes a cylindrical skeleton and a coil and a wire wound around the skeleton; the outlet end of the voice coil is fixed to the inner side of the vibration plate;
  • the vibrating plate and the cup holder are elastically supported and connected by the elastic piece;
  • the elastic piece includes an inner circular portion, and two or more outer circular arc portions which are coaxial with the inner annular portion and have a clearance fit, And connecting two or more connecting portions of the outer end of the outer arc portion and the inner annular portion; the front end and the inner annular portion of the outer arc portion are respectively connected to the vibrating plate and the cup holder;
  • the magnet is fixed in the inner center position of the cup seat, the waffle piece glue is fixed on the magnet, the waffle piece is coaxial with the magnet, and the waffle piece is placed in the inner cavity of the voice coil, and the sound ring is evenly matched with the voice coil. .
  • the vibrating plate includes a plate main body having the same diameter as the cup opening of the cup holder, and the side of the plate main body is provided with two or more fixing legs respectively fixedly connected to the front ends of the outer arc portions;
  • the inner annular portion is fixedly connected to the cup mouth of the cup holder, and the cup holder is a component of the magnetic circuit.
  • the outer side wall of the cup holder is provided with a seat support block corresponding to each connection portion.
  • the cup holder is a tripod cup holder.
  • the voice coil of the present invention is integrally combined with the inner side surface of the vibration plate, and the vibration plate and the cup holder are connected by a special elastic support structure, so that the process is simple and the combination is simple, and no unnecessary elastic pieces and brackets are needed. Supporting a fixed voice coil, with easy process and simple combination of components.
  • the thickness of the bone conduction driving head is greatly reduced, which not only reduces the weight, but also improves the sensitivity and kinetic energy, and the shape is special and beautiful.
  • the traditional bone conduction driver is a skeletonless voice coil, which has complicated assembly, is easy to cause loss, and has low power consumption and long service life; the voice coil with skeleton of the invention not only simplifies the process, but also enhances The fatigue resistance and high temperature resistance of the voice coil greatly enhance the service life of the bone conduction drive.
  • the shrapnel of the present invention is a non-traditional shrapnel, so that the center position needs to be fixed to the voice coil, or a special bracket, which breaks the traditional fixing method, and is a separate piece of the edge-arc arc, the arc piece It is a fixed and up-and-down position, with sufficient elasticity and good sequence.
  • the cup holder is designed as a special tripod, and the non-traditional cylindrical design removes the cup holder as a fixed position of the elastic piece, but uses the tripod of the cup holder and the circular edge table as a fixed position, and (5
  • the combination not only reduces the overall weight of the product, but also reduces the thickness of the bone conduction, giving the product an advantage in the spatial structure design.
  • DRAWINGS 1 is a schematic perspective view of a three-dimensional structure of the present invention.
  • FIG. 2 is a schematic perspective view of a three-dimensional structure of the present invention
  • FIG. 3 is a schematic top plan view of the present invention.
  • Figure 5 is a schematic cross-sectional view of the present invention.
  • FIG. 6 is a schematic perspective view of the present invention.
  • the bone conduction speaker of the present invention includes a vibration plate 1, a voice coil 2, and an elastic piece.
  • the voice coil 2 includes a skeleton of a cylindrical KSV material and a coil and a coiled wire wound around the skeleton, thereby forming a polyimide film of a sound-resistant copper-free high-temperature-resistant voice coil.
  • One end of the skeleton is integrally joined to the inner side surface of the vibration plate 1, and the combination is simple.
  • the vibrating plate 1 and the cup holder 4 are elastically supported and connected by the elastic piece 5.
  • the elastic piece 5 includes an inner annular portion 51, two or more outer circular arc portions 52 that are center-centered and gap-fitted with the inner annular portion 51, and a distal end portion and an inner annular portion that connects the outer circular arc portions 52.
  • Two or more connecting portions 53 of 51; the inner annular portion 51, the outer circular arc portion 52, and the connecting portion 53 are integrally formed by die-cutting of a steel sheet.
  • the number of the outer circular arc portions 52 is three.
  • the three outer arc portions 52 are evenly distributed around the outer circumference of the inner ring portion 51.
  • the vibrating plate 1 includes a plate main body 11 having the same diameter as the cup opening 41 of the cup holder 4.
  • the side of the plate main body 11 is provided with three pieces and three sections respectively.
  • the front end of the circular arc portion 52 is fixedly connected to the fixing leg 12; the inner annular portion 51 is attached to the cup opening 41 of the cup holder 4 in a fixed connection.
  • a seat support block 42 corresponding to each of the connecting portions 53 is provided on the outer side wall of the cup holder 4.
  • the front end of the outer circular arc portion 52 may be connected to the cup holder 4, and the inner annular portion 51 may be connected to the vibrating plate 1 as needed.
  • the cup holder 4 is a tripod cup holder, and the cup holder is not only one of the magnetic circuit portions but also an important part of the fixed elastic piece.
  • the magnet 3 is fixed at the inner center position of the cup holder 4, the coring film 6 adhesive with good magnetic permeability is fixed on the magnet 3, the waffle piece 6 and the magnet 3 are concentric, and the waffle piece 6 is placed.
  • Voice coil 2 is in a uniform magnetic field, under the action of audio current, according to the principle of left-hand rule, the magnetic field can be transferred Switched to mechanical energy, the mechanical vibration transmits a sound signal to the human body.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

一种一体化设计的骨传导驱动器，涉及到骨传导扬声器技术耳机的技术领域。解决现在的骨传导扬声器工艺复杂，佩戴时舒适性差的技术不足，包括有振动板（1）、音圈（2）、弹片（5）、磁铁（3）、华司片（6）和杯座（4），音圈（2）的出线端固定在振动板（1）内侧面；振动板（1）与杯座（4）之间通过弹片（5）弹性支撑连接；弹片（5）包括有内圆环部（51），与内圆环部（51）同圆心且间隙配合的两段以上的外圆弧部（52），以及连接各外圆弧部（52）尾端与内圆环部（51）的两个以上的连接部（53）；音圈（2）与振动板（1）内侧面一体结合，同时振动板（1）与杯座（4）之间无需多余弹片（5）和支架相互支撑固定音圈（2），具有工艺简易，部件少组合简单。不但减轻了重量，而且还提高了灵敏度和动能，形状特殊而美观。

Description

一种一体化设计的骨传导驱动器 技术领域
[0001] 本发明涉及到骨传导扬声器技术耳机的技术领域。
背景技术
[0002] 骨传导是一种声音传导方式， 即将声音转化为不同频率的机械振动， 通过人的 颅骨、 骨迷路、 内耳淋巴液传递、 螺旋器、 听神经、 听觉中枢来传递声波。 目 前的骨传导扬声器一般都是利用面部颊骨直接传导声音， 相对于通过振膜产生 声波的经典声音传导方式， 骨传导省去了许多声波传递的步骤， 能在嘈杂的环 境中实现清晰的声音还原， 而且声波也不会因为在空气中扩散而影响到他人， 还可以幵放双耳， 不伤害鼓膜。
[0003] 但现有的骨传导扬声器存在工艺复杂， 体积较大， 较厚， 笨重， 佩戴吋舒适性 差的技术不足。
技术问题
[0004] 综上所述， 本发明的目的在于解决现在的骨传导扬声器工艺复杂， 佩戴吋舒适 性差的技术不足， 而提出一种一体化设计的骨传导驱动器。
问题的解决方案
技术解决方案
[0005] 为解决本发明所提出的技术问题， 采用的技术方案为：
[0006] 一种一体化设计的骨传导驱动器， 包括有振动板、 音圈、 弹片、 磁铁、 华司片 和杯座， 其特征在于：
[0007] 所述的音圈包括有筒状的骨架和绕在骨架上的线圈和锦丝线； 音圈的出线端固 定在振动板内侧面；
[0008] 所述的振动板与杯座之间通过弹片弹性支撑连接； 所述的弹片包括有内圆环部 ， 与内圆环部同圆心且间隙配合的两段以上的外圆弧部， 以及连接各外圆弧部 尾端与内圆环部的两个以上的连接部； 所述的外圆弧部的前端和内圆环部分别 连接振动板和杯座； [0009] 所述磁铁固定于杯座内部中心位置， 华司片粘胶固定在磁铁上， 华司片与磁铁 同轴心， 华司片置于音圈内腔中， 与音圈均匀间隙配合。
[0010] 所述的振动板包括有与杯座的杯口相同直径的板主体， 板主体的侧边设有两块 以上的分别与各外圆弧部的前端固定连接的固定脚； 所述的内圆环部与杯座的 杯口贴合固定连接， 杯座为磁路的组成部分。
[0011] 所述的杯座的外侧壁上设有与各连接部对应支撑的座支撑块。
[0012] 所述的杯座为三脚架杯座。
发明的有益效果
有益效果
[0013] (1) 、 本发明音圈与振板内侧面一体结合， 同吋振动板与杯座之间通过特有 的弹性支撑结构连接， 从而使得工艺简易， 组合简单， 无需多余弹片和支架相 互支撑固定音圈， 具有工艺简易， 部件少组合简单。
[0014] (2) 、 大幅度减薄了骨传导驱动头整体厚度， 不但减轻了重量， 而且还提高 了灵敏度和动能， 形状特殊而美观。
[0015] (3) 、 传统骨传导驱动器为无骨架音圈， 装配复杂， 易造成损耗， 承受功率 不高， 使用寿命不长； 本发明带有骨架的音圈不但简化了工艺， 而且增强了音 圈的耐疲劳、 耐高温等特性， 大大提升骨传导驱动器的使用寿命。
[0016] (4) 、 本发明的弹片非传统式弹片， 使其中心位置需去固定音圈， 或者特殊 支架， 打破了传统的固定方式， 为分边圆弧独立式单片， 圆弧片既是固定也是 上下运动的位置， 弹力足， 顺序佳。
[0017] (5) 、 打破音圈固定到支架上的传统装配方式， 而是取消支架直接装配到振 动板上， 不但装配简易， 而且部件组合精准稳定。
[0018] (6) 、 杯座为特殊三脚架设计， 非传统圆柱形设计， 去掉了杯座支架作为弹 片的固定位置， 而是通过杯座的三脚架和圆形边缘台来作为固定位置， 与上 （5
) 结合不但减少了产品的整体重量， 还减薄的骨传导的厚度， 让产品在空间结 构设计上更具优势。
对附图的简要说明
附图说明 [0019] 图 1为本发明的立体结构示意图一
[0020] 图 2为本发明的立体结构示意图二
[0021] 图 3为本发明的俯视结构示意图；
[0022] 图 4为本发明的仰视结构示意图；
[0023] 图 5为本发明的截面结构示意图；
[0024] 图 6为本发明的立体结构示意图。
Figure imgf000005_0001
本发明的最佳实施方式
[0025] 以下结合附图和本发明优选的具体实施例对本发明的结构作进一步地说明。
[0026] 参照图 1至图 6中所示， 本发明的骨传导扬声器， 包括有振动板 1、 音圈 2、 弹片
5、 磁铁 3、 华司片 6和杯座 4。
[0027] 所述的音圈 2包括有筒状的 KSV材质的骨架和绕于骨架上的线圈和锦丝线， 从 而构成音色好的聚酰亚胺薄膜无氧铜耐高温音圈。 骨架的一端部与振板 1内侧面 一体结合， 组合简单。
[0028] 所述的振动板 1与杯座 4之间通过弹片 5弹性支撑连接。 所述的弹片 5包括有内圆 环部 51， 与内圆环部 51同圆心且间隙配合的两段以上的外圆弧部 52， 以及连接 各外圆弧部 52尾端与内圆环部 51的两个以上的连接部 53; 内圆环部 51、 外圆弧 部 52和连接部 53由钢片冲切形成的一体式结构， 优选的方案是外圆弧部 52的数 量为三段， 三段外圆弧部 52均匀分布在内圆环部 51的***。
[0029] 为了便于弹片 5连接振动板 1和杯座 4， 振动板 1包括有与杯座 4的杯口 41相同直 径的板主体 11， 板主体 11的侧边设有三块分别与三段外圆弧部 52的前端固定连 接的固定脚 12; 所述的内圆环部 51与杯座 4的杯口 41贴合固定连接。 杯座 4的外 侧壁上设有与各连接部 53对应支撑的座支撑块 42。 在具体实施过程中， 根据需 要也可以将所述的外圆弧部 52的前端连接杯座 4， 内圆环部 51连接振动板 1。 杯 座 4为三脚架杯座， 杯座不仅是组成磁路部分之一， 还是固定弹片的重要部分。
[0030] 所述磁铁 3固定于杯座 4内部中心位置， 导磁性能好的华司片 6粘胶固定在磁铁 3 上， 华司片 6与磁铁 3同轴心， 华司片 6置于音圈 2内腔中， 与音圈均匀间隙配合 。 音圈 2在均匀的磁场中， 受音频电流作用下， 根据左手定则原理， 将磁场能转 换成机械能， 由机械振动传导声音信号给人体。

Claims

权利要求书
一种一体化设计的骨传导驱动器， 包括有振动板、 音圈、 弹片、 磁铁 、 华司片和杯座， 其特征在于：
所述的音圈包括有筒状的骨架和绕在骨架上的线圈和锦丝线； 音圈的 出线端固定在振动板内侧面；
所述的振动板与杯座之间通过弹片弹性支撑连接； 所述的弹片包括有 内圆环部， 与内圆环部同圆心且间隙配合的两段以上的外圆弧部， 以 及连接各外圆弧部尾端与内圆环部的两个以上的连接部； 所述的外圆 弧部的前端和内圆环部分别连接振动板和杯座；
所述磁铁固定于杯座内部中心位置， 华司片粘胶固定在磁铁上， 华司 片与磁铁同轴心， 华司片置于音圈内腔中， 与音圈均匀间隙配合。 根据权利要求 1所述的一种一体化设计的骨传导驱动器， 其特征在于
： 所述的振动板包括有与杯座的杯口相同直径的板主体， 板主体的侧 边设有两块以上的分别与各外圆弧部的前端固定连接的固定脚； 所述 的内圆环部与杯座的杯口贴合固定连接， 杯座为磁路的组成部分。 根据权利要求 2所述的一种一体化设计的骨传导驱动器， 其特征在于 ： 所述的杯座的外侧壁上设有与各连接部对应支撑的座支撑块。 根据权利要求 2所述的一种一体化设计的骨传导驱动器， 其特征在于 ： 所述的杯座为三脚架杯座。
PCT/CN2017/100013 2017-08-31 2017-08-31 一种一体化设计的骨传导驱动器 WO2019041260A1 (zh)

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CN101945311A (zh) * 2009-07-07 2011-01-12 陈奚平 一种骨传导扬声器
CN202435593U (zh) * 2011-12-23 2012-09-12 深圳市韶音科技有限公司 一种骨传导扬声器的传振片装置
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JP2016181890A (ja) * 2015-03-25 2016-10-13 日本エレクトロニクス・サービス株式会社 ダイナミックスピーカ装置
CN205754846U (zh) * 2016-01-30 2016-11-30 陈广标 一种回型弹片的骨传导装置
CN105959885A (zh) * 2016-05-26 2016-09-21 歌尔声学股份有限公司 骨传导扬声器
CN206350161U (zh) * 2017-01-06 2017-07-21 深圳中盾联投科技有限公司 一种s型弹片的骨传导喇叭

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