WO2022062112A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2022062112A1
WO2022062112A1 PCT/CN2020/128123 CN2020128123W WO2022062112A1 WO 2022062112 A1 WO2022062112 A1 WO 2022062112A1 CN 2020128123 W CN2020128123 W CN 2020128123W WO 2022062112 A1 WO2022062112 A1 WO 2022062112A1
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WO
WIPO (PCT)
Prior art keywords
voice coil
sound
input end
vibration
output end
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PCT/CN2020/128123
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English (en)
French (fr)
Inventor
胡进
邓磊
夏学
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
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Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2022062112A1 publication Critical patent/WO2022062112A1/zh

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    • 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
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • 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 utility model relates to the field of sound and electricity, in particular to a sound producing device.
  • the sound-generating device includes a vibration system and a magnetic circuit system that drives the vibration system to vibrate and emit sound
  • the magnetic circuit system has a magnetic gap
  • the vibration system includes a voice coil inserted in the magnetic gap
  • the voice coil includes a voice coil input end, a voice coil output end, and a voice coil body connecting the voice coil input end and the voice coil output end and having a hollow structure, the voice coil input end extending from the inner side of the voice coil body to the outer side form.
  • the voice coil input end extends from the inside to the outside of the voice coil body, the voice coil input end protrudes from the voice coil body. Further, the part of the voice coil input end protruding from the voice coil body is easily broken and has poor reliability.
  • the purpose of the utility model is to provide a sound device with better reliability.
  • the present utility model provides a sounding device, which includes a vibration system and a magnetic circuit system that drives the vibration system to vibrate and sound, the magnetic circuit system has a magnetic gap, and the vibration system includes a A double-outlet voice coil of a magnetic gap, the double-outlet voice coil is formed by winding an enameled wire and includes a voice coil input end, a voice coil output end, and a hollow structure connecting the voice coil input end and the voice coil output end
  • the voice coil body includes a multi-layer structure wound and stacked along the vibration direction of the vibration system, and the number of coils of the enameled wire in each layer structure is at least three turns.
  • the coil input end and the voice coil output end are both formed by the outermost coil of the enameled wire extending along the vibration direction perpendicular to the vibration system to form an outlet end, and the voice coil input end and the voice coil output end are both.
  • the outermost layer structures of the voice coil body are respectively located on the same plane along the vibration direction perpendicular to the vibration system.
  • both the voice coil input end and the voice coil output end are located on the same plane with the same layer of the layer structure.
  • the double-outlet voice coil is made by winding one piece of the enameled wire.
  • the enameled wire is made of any one of copper wire, copper-clad aluminum wire and alloy wire.
  • the cross-sectional shape of the enameled wire is circular or rectangular.
  • the winding method of the double-outlet voice coil is a flying fork winding method.
  • the number of windings of the enameled wire in each of the layer structures is the same.
  • the voice coil body includes a multi-layer structure wound and stacked along the vibration direction of the vibration system, and the enameled wire of each layer structure is wound around a coil.
  • the number is at least three circles, the voice coil input end and the voice coil output end are both formed by the outermost coil of the enameled wire extending along the vibration direction perpendicular to the vibration system to form an outlet end, and the voice coil input end
  • the voice coil output end and the voice coil output end are respectively located on the same plane as the outermost layer structure of the voice coil body along the vibration direction perpendicular to the vibration system; with this structure, the voice coil input end Both the output end of the voice coil and the voice coil body are flush with the surface of the voice coil body, which can effectively reduce the risk of disconnection and high-order vibration of the double-exit voice coil, as well as reduce the height of the double-exit voice coil and reduce the volume of the double-exit voice coil. , to improve the performance of the dual-
  • Fig. 1 is the stereoscopic structure schematic diagram of the sound-emitting device of the present invention
  • Fig. 2 is the three-dimensional structure schematic diagram of the dual-outlet voice coil of the present invention.
  • Fig. 3 is the front view of the utility model double outlet voice coil
  • Fig. 4 is the top view of the double-outlet voice coil of the utility model
  • FIG. 5 is a schematic diagram of the three-dimensional structure of another dual-outlet voice coil of the present invention.
  • FIG. 6 is a test diagram of the double-outlet voice coil in the related art and the double-outlet voice coil of the present invention.
  • the present invention provides a sound-generating device 1000, which includes a basin frame 200, a vibration system 140 respectively fixed to the basin frame 200, and a magnetic circuit system for driving the vibration system 140 to vibrate and emit sound 300, the magnetic circuit system 300 has a magnetic gap 300a, and the vibration system 140 includes a double-outlet voice coil 100 inserted in the magnetic gap 300a and a diaphragm 400 that vibrates and emits sound.
  • the sound generating device 1000 may not be provided with the basin frame 200 .
  • the vibration system 140 is fixed on the magnetic circuit system 300 .
  • the double exit voice coil 100 is formed by winding enameled wires.
  • the double exit voice coil 100 includes a voice coil input end 2 , a voice coil output end 1 and a hollow structure connecting the voice coil input end 2 and the voice coil output end 1 .
  • the voice coil body 3 includes a multi-layer structure 30 wound and stacked along the vibration direction of the vibration system 140.
  • the number of coils of the enameled wire in each of the layer structures 30 is the same. Of course, it is not limited to this. The number of the enameled coils of the structure 30 can also be different.
  • the number of windings of the enameled wire of each layer structure 30 is at least three turns, and the voice coil input end 2 and the voice coil output end 1 are both formed by the outermost coil of the enameled wire along the vibration perpendicular to the vibration.
  • the vibration direction of the system 140 extends to form an outlet end, and the voice coil input end 2 and the voice coil output end 1 are respectively connected to the outermost layer of the voice coil body 3 along the vibration direction perpendicular to the vibration system 140 .
  • the layer structures 30 are located on the same plane, and the outermost layer structure 30 here refers to the uppermost or the lowest layer structure 30 .
  • the voice coil input end 2 and the voice coil output end 1 are both flush with the surface of the voice coil body 3, which can effectively reduce the risk of disconnection and high-order vibration of the double-outlet voice coil 100, and improve its reliability;
  • the height difference between the voice coil input end 2 and the voice coil output end 1 and the voice coil body 3 further reduces the height of the double-exit voice coil 100 and the volume of the double-exit voice coil 100, which provides sound components Leaving more space means that the space for the magnetic circuit system 300 in the sound emitting device 1000 is increased.
  • FIG. 6( a ) is a performance test diagram of a dual-outlet voice coil in the related art
  • FIG. 6( b ) is a performance test diagram of the dual-outlet voice coil 100 of the present invention.
  • the product performance of the double exit voice coil 100 is improved.
  • the voice coil input end 2 and the voice coil output end 1 are both located on the same plane as the layer structure 30 of the same layer, and of course they may also be located on different layers of the layer structure 30, such as the voice coil input end 2 and the most layer structure 30.
  • the upper layer structure 30 is located on the same plane, and the voice coil output end 1 and the lowermost layer structure 30 are located on the same plane.
  • the entire double-outlet voice coil 100 is made by winding an enameled wire;
  • the enameled wire is made of any one of copper wire, copper-clad aluminum wire and alloy wire, and is of course not limited to the above materials;
  • the The cross-sectional shape of the enameled wire is a circle or a rectangle, and of course other shapes are also possible. Referring to FIG. 1, the cross-sectional shape of the enameled wire is a circle. Referring to FIG. The cross-sectional shape is square.
  • the winding method of the entire double exit voice coil 100 is a flying fork winding method, of course, it can also be a common winding method, and is not limited to this.
  • the voice coil body includes a multi-layer structure wound and stacked along the vibration direction of the vibration system, and the enameled wire of each layer structure is wound around a coil.
  • the number is at least three circles, the voice coil input end and the voice coil output end are both formed by the outermost coil of the enameled wire extending along the vibration direction perpendicular to the vibration system to form an outlet end, and the voice coil input end
  • the voice coil output end and the voice coil output end are respectively located on the same plane as the outermost layer structure of the voice coil body along the vibration direction perpendicular to the vibration system; with this structure, the voice coil input end Both the output end of the voice coil and the voice coil body are flush with the surface of the voice coil body, which can effectively reduce the risk of disconnection and high-order vibration of the double-exit voice coil, as well as reduce the height of the double-exit voice coil and reduce the volume of the double-exit voice coil. , to improve the performance of the dual-
  • the present invention provides an embodiment of the present invention as described above, which is not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and accompanying drawings of the present invention, 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，其包括振动系统以及驱动振动系统振动发声的磁路系统，磁路系统具有磁间隙，振动系统包括插设于磁间隙的双出线音圈，双出线音圈由漆包线绕设形成且其包括音圈输入端、音圈输出端以及连接音圈输入端和音圈输出端且呈中空结构的音圈本体，音圈本体包括沿振动系统的振动方向绕设并层叠的多层层结构，每一层结构的漆包线绕线圈数至少为三圈，音圈输入端和音圈输出端均由最外圈漆包线的线圈沿垂直于振动系统的振动方向延伸形成出线端，且音圈输入端和音圈输出端均沿垂直于振动系统的振动方向分别与音圈本体的最外层层结构位于同一平面。与相关技术相比，本实用新型的发声器件可靠性更好。

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，而发声器件中的音圈尤为重要。
相关技术中，发声器件包括振动系统以及驱动所述振动系统振动发声的磁路系统，所述磁路系统具有磁间隙，所述振动系统包括插设于所述磁间隙的音圈，音圈包括音圈输入端、音圈输出端以及连接所述音圈输入端和所述音圈输出端且呈中空结构的音圈本体，所述音圈输入端由所述音圈本体的内侧向外侧延伸形成。
然而，音圈输入端由于从音圈本体的内侧向外侧延伸，使得音圈输入端凸设于音圈本体，进一步的，音圈输入端凸出音圈本体的部分易断线，可靠性差。
因此，有必要提供一种新的发声器件解决上述问题。
 技术问题
本实用新型的目的在于提供一种可靠性更好的发声器件。
 技术解决方案
为达到上述目的，本实用新型提供一种发声器件，其包括振动系统以及驱动所述振动系统振动发声的磁路系统，所述磁路系统具有磁间隙，所述振动系统包括插设于所述磁间隙的双出线音圈，所述双出线音圈由漆包线绕设形成且其包括音圈输入端、音圈输出端以及连接所述音圈输入端和所述音圈输出端且呈中空结构的音圈本体，所述音圈本体包括沿所述振动系统的振动方向绕设并层叠的多层层结构，每一所述层结构的所述漆包线绕线圈数至少为三圈，所述音圈输入端和所述音圈输出端均由最外圈所述漆包线的线圈沿垂直于所述振动系统的振动方向延伸形成出线端，且所述音圈输入端和所述音圈输出端均沿垂直于所述振动系统的振动方向分别与所述音圈本体的最外层所述层结构位于同一平面。
优选的，所述音圈输入端和所述音圈输出端均与同一层所述层结构位于同一平面。
优选的，所述双出线音圈由一根所述漆包线绕设制成。
优选的，所述漆包线由铜线、铜包铝线和合金线中的任意一种材料制成。
优选的，所述漆包线的横截面形状为圆形或矩形。
优选的，所述双出线音圈的绕设方式为飞叉式卷线方式。
优选的，每一所述层结构的所述漆包线绕线圈数相同。
 有益效果
与相关技术相比，本实用新型的发声器件中，所述音圈本体包括沿所述振动系统的振动方向绕设并层叠的多层层结构，每一所述层结构的所述漆包线绕线圈数至少为三圈，所述音圈输入端和所述音圈输出端均由最外圈所述漆包线的线圈沿垂直于所述振动系统的振动方向延伸形成出线端，且所述音圈输入端和所述音圈输出端均沿垂直于所述振动系统的振动方向分别与所述音圈本体的最外层所述层结构位于同一平面；采用此种结构，即所述音圈输入端和所述音圈输出端均与所述音圈本体表面平齐，可有效降低双出线音圈断线、振动高次风险，以及降低双出线音圈的高度，减小双出线音圈的体积，提升双出线音圈的性能，进一步提升发声器件的可靠性。
 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为本实用新型双出线音圈的立体结构示意图；
图3为本实用新型双出线音圈的主视图；
图4为本实用新型双出线音圈的俯视图；
图5为本实用新型另一双出线音圈的立体结构示意图；
图6为相关技术中双出线音圈和本实用新型双出线音圈的测试图。
 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1-5所示，本实用新型提供一种发声器件1000，其包括盆架200，分别固定于所述盆架200的振动系统140以及驱动所述振动系统140振动发声的磁路系统300，所述磁路系统300具有磁间隙300a，所述振动系统140包括插设于所述磁间隙300a的双出线音圈100以及振动发声的振膜400。当然发声器件1000也可以不设置盆架200，此时，所述振动系统140固定于所述磁路系统300之上。
双出线音圈100由漆包线绕设形成，该双出线音圈100包括音圈输入端2、音圈输出端1以及连接所述音圈输入端2和所述音圈输出端1且呈中空结构的音圈本体3。
所述音圈本体3包括沿所述振动系统140的振动方向绕设并层叠的多层层结构30，每一所述层结构30的所述漆包线绕线圈数相同，当然不限于此，其层结构30的所述漆包线圈数也可以不相同。
每一所述层结构30的所述漆包线绕线圈数至少为三圈，所述音圈输入端2和所述音圈输出端1均由最外圈所述漆包线的线圈沿垂直于所述振动系统140的振动方向延伸形成出线端，且所述音圈输入端2和所述音圈输出端1均沿垂直于所述振动系统140的振动方向分别与所述音圈本体3的最外层所述层结构30位于同一平面，此处的最外层层结构30指最上层或最低层层结构30。即所述音圈输入端2和所述音圈输出端1均与所述音圈本体3表面平齐，可有效降低双出线音圈100断线、振动高次风险，提升其可靠性；解决所述音圈输入端2和所述音圈输出端1与所述音圈本体3的高度差问题，进一步降低双出线音圈100的高度，减小双出线音圈100的体积，给发声器件留更多空间，即使得发声器件1000中磁路系统300的空间增大。
参图6所示，图6（a）为相关技术中双出线音圈的性能测试图，图6（b）为本实用新型双出线音圈100的性能测试图，相比可知，本实用新型双出线音圈100的产品性能提升。
进一步的，解决所述音圈输入端2和所述音圈输出端1与所述音圈本体3碰撞的问题，提升整个双出线音圈100的性能。
具体的，所述音圈输入端2和所述音圈输出端1均与同一层所述层结构30位于同一平面，当然也可以位于不同层的层结构30，如音圈输入端2与最上层的层结构30位于同一平面，音圈输出端1与最下层的层结构30位于同一平面。
优选的，整个双出线音圈100由一根漆包线绕设制成；所述漆包线由铜线、铜包铝线和合金线中的任意一种材料制成，当然也不限于上述材质；所述漆包线的横截面形状为圆形或矩形，当然也可以为其他形状，参图1所示，其漆包线的横截面形状为圆形，参图5所示，所述双出线音圈200a的漆包线的横截面形状为方形。
本实施例中，整个双出线音圈100的绕设方式为飞叉式卷线方式，当然也可以为普通卷线方式，也不限于此。
与相关技术相比，本实用新型的发声器件中，所述音圈本体包括沿所述振动系统的振动方向绕设并层叠的多层层结构，每一所述层结构的所述漆包线绕线圈数至少为三圈，所述音圈输入端和所述音圈输出端均由最外圈所述漆包线的线圈沿垂直于所述振动系统的振动方向延伸形成出线端，且所述音圈输入端和所述音圈输出端均沿垂直于所述振动系统的振动方向分别与所述音圈本体的最外层所述层结构位于同一平面；采用此种结构，即所述音圈输入端和所述音圈输出端均与所述音圈本体表面平齐，可有效降低双出线音圈断线、振动高次风险，以及降低双出线音圈的高度，减小双出线音圈的体积，提升双出线音圈的性能，进一步提升发声器件的可靠性。
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 (7)

  1. 一种发声器件，其包括振动系统以及驱动所述振动系统振动发声的磁路系统，所述磁路系统具有磁间隙，所述振动系统包括插设于所述磁间隙的双出线音圈，所述双出线音圈由漆包线绕设形成且其包括音圈输入端、音圈输出端以及连接所述音圈输入端和所述音圈输出端且呈中空结构的音圈本体，其特征在于，所述音圈本体包括沿所述振动系统的振动方向绕设并层叠的多层层结构，每一所述层结构的所述漆包线绕线圈数至少为三圈，所述音圈输入端和所述音圈输出端均由最外圈所述漆包线的线圈沿垂直于所述振动系统的振动方向延伸形成出线端，且所述音圈输入端和所述音圈输出端均沿垂直于所述振动系统的振动方向分别与所述音圈本体的最外层所述层结构位于同一平面。
  2. 根据权利要求1中所述的发声器件，其特征在于，所述音圈输入端和所述音圈输出端均与同一层所述层结构位于同一平面。
  3. 根据权利要求1中所述的发声器件，其特征在于，所述双出线音圈由一根所述漆包线绕设制成。
  4. 根据权利要求3中所述的发声器件，其特征在于，所述漆包线由铜线、铜包铝线和合金线中的任意一种材料制成。
  5. 根据权利要求3中所述的发声器件，其特征在于，所述漆包线的横截面形状为圆形或矩形。
  6. 根据权利要求3中所述的发声器件，其特征在于，所述双出线音圈的绕设方式为飞叉式卷线方式。
  7. 根据权利要求1中所述的发声器件，其特征在于，每一所述层结构的所述漆包线绕线圈数相同。
PCT/CN2020/128123 2020-09-22 2020-11-11 发声器件 WO2022062112A1 (zh)

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CN105872914A (zh) * 2016-03-31 2016-08-17 歌尔声学股份有限公司 音圈及设有该音圈的微型扬声器
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CN110856083A (zh) * 2019-11-19 2020-02-28 歌尔股份有限公司 音圈、扬声器及音圈的制作方法
CN111065030A (zh) * 2019-12-20 2020-04-24 瑞声科技(新加坡)有限公司 音圈及其绕线方法及具有该音圈的扬声器

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US20150281835A1 (en) * 2014-03-26 2015-10-01 Cheng Uei Precision Industry Co., Ltd. Voice coil
CN105872914A (zh) * 2016-03-31 2016-08-17 歌尔声学股份有限公司 音圈及设有该音圈的微型扬声器
CN109121050A (zh) * 2018-08-04 2019-01-01 瑞声科技(新加坡)有限公司 音圈及其绕线方法及具有该音圈的扬声器
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