WO2020029636A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2020029636A1
WO2020029636A1 PCT/CN2019/087924 CN2019087924W WO2020029636A1 WO 2020029636 A1 WO2020029636 A1 WO 2020029636A1 CN 2019087924 W CN2019087924 W CN 2019087924W WO 2020029636 A1 WO2020029636 A1 WO 2020029636A1
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WO
WIPO (PCT)
Prior art keywords
voice coil
diaphragm
elastic arm
loudspeaker
loudspeaker according
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/CN2019/087924
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English (en)
French (fr)
Inventor
张古清
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
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
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Publication date
Application filed by AAC Acoustic Technologies Shenzhen Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2020029636A1 publication Critical patent/WO2020029636A1/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
    • H04R9/06—Loudspeakers
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/041—Centering
    • H04R9/043—Inner suspension or damper, e.g. spider
    • 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
    • H04R9/025—Magnetic circuit
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's

Definitions

  • the utility model relates to the technical field of electro-acoustic transduction, in particular to a speaker.
  • the speaker In audio equipment, the speaker is a commonly used electronic component, which is mainly used for the playback of audio signals.
  • the magnetic flux density of the voice coil inside the speaker is unbalanced, which causes the voice coil to be unbalanced and sway. Or the wire breaks, and the voice coil will sway at the same time, which will cause problems such as touching the magnetic steel and uneven amplitude.
  • the purpose of the present utility model is to provide a speaker, which fixes the joint of the electrical connector with the corner seal at the lower end of the voice coil, which can significantly improve the reliability of the voice coil swing and disconnection when the speaker is working.
  • a loudspeaker includes a vibration system, a magnetic circuit system, and a basin frame for accommodating the vibration system and the magnetic circuit system and a housing space thereof.
  • the vibration system includes a diaphragm and a voice coil that drives the diaphragm to vibrate.
  • the speaker further includes an electrical connector elastically supported at one end of the voice coil away from the diaphragm, the electrical connector includes an elastic arm spaced from the voice coil and facing from opposite ends of the elastic arm.
  • the voice coil is bent and extended, and the joint is supported on a side of the voice coil far from the diaphragm, and each of the joints is provided with a fixing part for fixing the voice coil to the joint
  • the voice coil includes an outer surface close to the elastic arm and an inner surface opposite to the outer surface, and the glue portion is provided on both sides of the voice coil and communicates with the inner surface and the outer surface. Side bonding.
  • the voice coil includes two long-axis sides and two short-axis sides opposite to each other.
  • the long-axis sides and the short-axis sides are enclosed to form a ring, and each of the long-axis sides is opposite to the phase.
  • a corner portion is formed adjacent to the short axis side, and the joint portion is correspondingly formed at the corner portion.
  • the electrical connector further includes a pad formed on the elastic arm, and the pad extends at least partially to the outside of the basin frame for electrical connection with the outside.
  • the corner is arc-shaped.
  • the number of the electrical connecting members is two, and the electrical connecting members are provided in one-to-one correspondence with the long axis sides.
  • the speaker further includes a frame fixedly disposed at one end of the basin frame near the electrical connector, and the pad includes an extension portion extending from the elastic arm away from the receiving space, and The end of the extension portion is bent and extended in a direction away from the diaphragm, and the conductive portion is bent and extended from an end of the connection portion far from the extension portion.
  • the conductive portion is opposite to the extension portion.
  • the frame is sandwiched between the conductive portion and the extension portion.
  • the speaker further includes a magnetic circuit system disposed in the receiving space, and the magnetic circuit system includes a yoke fixed to the frame body, a magnetic steel fixed to the yoke, and a fixed connection to the magnetic yoke.
  • the magnetic steel is far from the magnetic pole plate on the side of the yoke.
  • the yoke includes a bottom plate on which the magnetic steel is fixed, and a side plate bent and extended from the bottom plate toward the diaphragm, the bottom plate is opposite to the diaphragm, and the side plate is formed in the Between the voice coil and the elastic arm.
  • the side plate is correspondingly formed with a notch that avoids the joint portion.
  • the speaker provided by the present utility model is provided with electrical connectors at the lower end of the voice coil, and the joints at the two ends of the two electrical connectors are fixedly connected to the four corners of the voice coil through glue, respectively.
  • the inner and outer sides of the four corners of the voice coil are sealed with glue to increase the bonding area.
  • FIG. 1 is a perspective structural view of a speaker of the present invention
  • FIG. 2 is an exploded perspective structural view of a speaker of the present invention
  • FIG. 3 is a sectional view of a speaker of the present invention.
  • FIG. 4 is a structural diagram of an electrical connector of a speaker of the present invention.
  • FIG. 5 is an assembly diagram of a voice coil and an electrical connector of the speaker of the present invention.
  • the speaker 100 provided by the present invention includes a frame body 1, a vibration system 2, a magnetic circuit system 3, an electrical connector 4 and a basin frame 5.
  • the electrical connector 4 includes a spring arm 42 and a joint portion 41.
  • the frame body 1 is fixedly disposed on an end of the basin frame 5 near the electrical connector 4.
  • the vibration system 2 includes a diaphragm 21 fixed to the basin frame 5 and a voice coil 22 that drives the diaphragm 21 to vibrate.
  • the voice coil 22 includes an outer side surface 224 near the elastic arm 42 and an inner side surface 225 disposed opposite the outer side surface 224.
  • the voice coil 22 includes two opposite long-axis edges 221 and two opposite short-axis edges 222.
  • the long-axis edges 221 and the short-axis edges 222 are connected end to end to form a ring.
  • the long-axis side 221 and the adjacent short-axis side 222 form a corner portion 223, and the corner portion 223 is arc-shaped.
  • the magnetic circuit system 3 includes a yoke 31 fixed to the frame 1, a magnetic steel 32 fixed to the yoke 31, and a magnetic pole plate 33 fixedly connected to the magnetic steel 32.
  • the yoke 31 includes a bottom plate 311 to which the magnetic steel 32 is fixed, and a side plate 312 bent and extended from the bottom plate 311 toward the diaphragm 21.
  • the bottom plate 311 is opposite to the diaphragm 21, the side plate 312 is formed between the voice coil 22 and the elastic arm 42, and the side plate 312 correspondingly forms a notch 313 to avoid the joint portion 41.
  • a pair of the electrical connectors 4 are elastically supported at one end of the voice coil 22 away from the diaphragm 21, and the two electrical connectors 4 correspond to the long axis 221 one by one It is provided that the electrical connector 4 includes the elastic arm 42 spaced from the voice coil 22 and the joint portion 41 bent and extended from the opposite ends of the elastic arm 42 toward the voice coil 22, The coupling portions 41 are correspondingly formed in the corner portions 223.
  • Each of the coupling portions 41 is provided with a glue portion 42 that fixes the voice coil 22 to the coupling portion, and the glue portions 42 are disposed on both sides of the voice coil 22 and communicate with the inner side surfaces 225, The outer side surface 224 is bonded.
  • Such a structure increases the bonding area of the glue portion 42 and the corner portion 223, and makes the connection between the coupling portion 41 and the voice coil 22 more firm.
  • the coupling portions 41 at both ends of each of the electrical connectors 4 are correspondingly provided on two corner portions 223 at both ends of the long axis side 221, so that the voice coil 22 and the electrical connector 4 are integrated.
  • the structure is symmetrical, which reduces the problem that the voice coil sways due to the imbalance of the magnetic flux density everywhere.
  • the elastic arm 42 is provided with a pad 43 that extends at least partially to the outside of the basin frame 5 for electrical connection with the outside world.
  • the pad 43 includes a distance from the elastic arm 42 away from the sound.
  • the extension portion 431 extending in the direction of the circle 22, the connection portion 432 bent and extended from the end of the extension portion 431 in a direction away from the diaphragm 21, and the connection portion 432 bent and extended from the end of the connection portion 432 away from the extension portion 431.
  • the conductive portion 433 is opposite to the extension portion 431, and the frame 1 is sandwiched between the conductive portion 433 and the extension portion 431.
  • the speaker provided by the present utility model is provided with electrical connectors at the lower end of the voice coil, and the joints at both ends of the two electrical connectors are fixedly connected to the four corners of the voice coil through glue, respectively.
  • the inner and outer sides of the four corners of the voice coil are sealed with glue to increase the bonding area.

Landscapes

  • 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扬声器，包括电连接件和音圈，所述电连接件包括与所述音圈间隔设置的弹力臂以及自所述弹力臂的相对两端朝所述音圈弯折延伸的结合部，所述结合部支撑在所述音圈远离所述振膜的一侧，每个所述结合部上设有将所述音圈固定于所述结合部的胶水部，所述音圈包括靠近所述弹力臂的外侧面以及与所述外侧面相对设置的内侧面，所述胶水部设置在所述音圈的两侧并与所述内侧面、外侧面粘接。与相关技术相比，本实用新型提供的扬声器将所述电连接件两端的所述结合部与所述音圈下端的角通过封胶固定，可以显著改善扬声器工作时音圈摇摆和断线的问题。

Description

扬声器 技术领域
本实用新型涉及电声换能技术领域，尤其涉及一种扬声器。
 背景技术
随着科技的快速发展，音频设备的普及率越来越高，人们对音频设备的要求不仅仅限于视频音频的播放，更要求对音频设备的可靠性提出更多要求。尤其是3G时代的到来，移动多媒体技术也随之发展，很多音频设备具有多种娱乐功能，如视频播放、数码摄像、游戏、GPS导航等，都要求音频设备内的电子元器件越来越精密和紧凑。
在音频设备中，扬声器是一种常用的电子元器件，主要用于音频信号的播放，相关技术中的扬声器内部音圈各处的磁通密度不均衡，导致音圈受力不均衡而产生摇摆或断线，音圈产生摇摆同时会导致碰磁钢、振幅不均衡等问题。
因此，有必要提供一种新型的扬声器以解决上述问题。
 技术问题
本实用新型的目的在于提供一种扬声器，将电连接件的结合部与音圈下端的角部封胶固定，可以显著改善扬声器工作时音圈摇摆和断线可靠性。
 技术解决方案
本实用新型的技术方案如下：
一种扬声器，包括振动系统、磁路系统以及将所述振动系统和所述磁路系统收容与其收容空间内的盆架，所述振动系统包括振膜和驱动所述振膜振动的音圈，所述扬声器还包括弹性支撑于所述音圈远离所述振膜一端的电连接件，所述电连接件包括与所述音圈间隔设置的弹力臂以及自所述弹力臂的相对两端朝所述音圈弯折延伸的结合部，所述结合部支撑在所述音圈远离所述振膜的一侧，每个所述结合部上设有将所述音圈固定于所述结合部的胶水部，所述音圈包括靠近所述弹力臂的外侧面以及与所述外侧面相对设置的内侧面，所述胶水部设置在所述音圈的两侧并与所述内侧面、外侧面粘接。
优选的，所述音圈包括相对设置的两长轴边和相对设置的两短轴边，所述长轴边与所述短轴边围合形成环状，每一所述长轴边与相邻所述短轴边形成角部，所述结合部对应形成在所述角部。
优选的，电连接件还包括形成在所述弹力臂的焊盘，所述焊盘至少部分延伸至所述盆架外侧用于与外界电连接。
优选的，所述角部呈圆弧形。
优选的，所述电连接件的数量为两个，且与所述长轴边一一对应设置。
优选的，所述扬声器还包括固定设置于所述盆架靠近所述电连接件一端的框体，所述焊盘包括自所述弹力臂向远离所述收容空间方向延伸的延伸部、自所述延伸部末端向远离所述振膜方向弯折延伸的连接部及自所述连接部远离所述延伸部的一端弯折延伸的导电部，所述导电部与所述延伸部相对，所述框体夹设于所述导电部与所述延伸部之间。
优选的，所述扬声器还包括设置于所述收容空间内的磁路系统，所述磁路系统包括固定于所述框体的磁轭、固定于所述磁轭的磁钢及固定连接于所述磁钢远离所述磁轭一侧的磁极板。
优选的，所述磁轭包括固定所述磁钢的底板以及自所述底板朝所述振膜方向弯折延伸的侧板，所述底板与所述振膜相对，所述侧板形成在所述音圈与所述弹力臂之间。
优选的，所述侧板对应形成避让所述结合部的缺口。
 有益效果
与相关技术相比，本实用新型提供的扬声器将电连接件设置于音圈下端，两个所述电连接件两端的结合部通过胶水分别与所述音圈的四个角部固定连接，同时，所述音圈四个角部的内、外侧均封胶，增大了胶合面积，这样的结构可以显著改善扬声器工作时音圈摇摆和断线可靠的问题，从而减小由于音圈摇摆导致碰磁钢、振幅不均衡的问题，增加最大振幅。
 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为本实用新型扬声器的立体结构图；
图2为本实用新型扬声器的立体分解结构图；
图3为本实用新型扬声器的剖视图；
图4为本实用新型扬声器的电连接件的结构图；
图5为本实用新型扬声器的音圈和电连接件的组配图。
 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。
请结合参阅图1、图2、图3和图4，本实用新型提供的扬声器100包括框体1、振动系统2、磁路系统3、电连接件4及盆架5，所述电连接件4包括弹力臂42和结合部41。
所述框体1固定设置于所述盆架5靠近所述电连接件4一端。
所述振动系统2包括固定于所述盆架5的振膜21和驱动所述振膜21振动的音圈22。
请参阅图5，所述音圈22包括靠近所述弹力臂42的外侧面224以及与所述外侧面224相对设置的内侧面225。
所述音圈22包括相对设置的两长轴边221和相对设置的两短轴边222，所述长轴边221与所述短轴边222首尾相接围合形成环状，每一所述长轴边221与相邻所述短轴边222形成角部223，所述角部223呈圆弧形。
请参阅图2，所述磁路系统3包括固定于所述框体1的磁轭31、固定于所述磁轭31的磁钢32及固定连接于所述磁钢32的磁极板33，所述磁轭31包括固定所述磁钢32的底板311以及自所述底板311朝所述振膜21方向弯折延伸的侧板312。
所述底板311与所述振膜21相对，所述侧板312形成在所述音圈22与所述弹力臂42之间，所述侧板312对应形成避让所述结合部41的缺口313。
请结合参阅图4和图5，一对所述电连接件4弹性支撑于所述音圈22远离所述振膜21一端，两所述电连接件4与所述长轴边221一一对应设置，所述电连接件4包括与所述音圈22间隔设置的所述弹力臂42以及自所述弹力臂42的相对两端朝所述音圈22弯折延伸的所述结合部41，所述结合部41对应形成在所述角部223。
每个所述结合部41上设有将所述音圈22固定于所述结合部的胶水部42，所述胶水部42设置在所述音圈22的两侧并与所述内侧面225、外侧面224粘接，这样的结构增大了所述胶水部42与所述角部223的胶合面积，使所述结合部41与所述音圈22的连接更加牢固。
每个所述电连接件4两端的所述结合部41分别对应设置于所述长轴边221两端的两个所述角部223上，使得所述音圈22与所述电连接件4整体结构为对称结构，这样减少了所述音圈由于各处的磁通密度不均衡，导致所述音圈受力不均衡而产生摇摆的问题。
所述弹力臂42设有焊盘43，所述焊盘43至少部分延伸至所述盆架5外侧用于与外界电连接，所述焊盘43包括自所述弹力臂42向远离所述音圈22方向延伸的延伸部431、自所述延伸部431末端向远离所述振膜21方向弯折延伸的连接部432及自所述连接部432远离所述延伸部431的一端弯折延伸的导电部433，所述导电部433与所述延伸部431相对，所述框体1夹设于所述导电部433与所述延伸部431之间。
与相关技术相比，本实用新型提供的扬声器将电连接件设置于音圈下端，两个所述电连接件两端的结合部通过胶水分别与所述音圈的四个角固定连接，同时，所述音圈四个角的内、外侧均封胶，增大了胶合面积，这样的结构可以显著改善扬声器工作时音圈摇摆和断线可靠的问题，从而减小由于音圈摇摆导致碰磁钢、振幅不均衡的问题，增加最大振幅。
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 (9)

  1. 一种扬声器，包括振动系统、磁路系统以及将所述振动系统和所述磁路系统收容与其收容空间内的盆架，所述振动系统包括振膜和驱动所述振膜振动的音圈，其特征在于，所述扬声器还包括弹性支撑于所述音圈远离所述振膜一端的电连接件，所述电连接件包括与所述音圈间隔设置的弹力臂以及自所述弹力臂的相对两端朝所述音圈弯折延伸的结合部，所述结合部支撑在所述音圈远离所述振膜的一侧，每个所述结合部上设有将所述音圈固定于所述结合部的胶水部，所述音圈包括靠近所述弹力臂的外侧面以及与所述外侧面相对设置的内侧面，所述胶水部设置在所述音圈的两侧并与所述内侧面、外侧面粘接。
  2. 根据权利要求1所述的扬声器，其特征在于，所述音圈包括相对设置的两长轴边和相对设置的两短轴边，所述长轴边与所述短轴边围合形成环状，每一所述长轴边与相邻所述短轴边形成角部，所述结合部对应形成在所述角部。
  3. 根据权利要求1或2所述的扬声器，其特征在于，电连接件还包括形成在所述弹力臂的焊盘，所述焊盘至少部分延伸至所述盆架外侧用于与外界电连接。
  4. 根据权利要求2所述的扬声器，其特征在于，所述角部呈圆弧形。
  5. 根据权利要求2所述的扬声器，其特征在于，所述电连接件的数量为两个，且与所述长轴边一一对应设置。
  6. 根据权利要求3所述的扬声器，其特征在于，所述扬声器还包括固定设置于所述盆架靠近所述电连接件一端的框体，所述焊盘包括自所述弹力臂向远离所述收容空间方向延伸的延伸部、自所述延伸部末端向远离所述振膜方向弯折延伸的连接部及自所述连接部远离所述延伸部的一端弯折延伸的导电部，所述导电部与所述延伸部相对，所述框体夹设于所述导电部与所述延伸部之间。
  7. 根据权利要求6所述的扬声器，其特征在于，所述扬声器还包括设置于所述收容空间内的磁路系统，所述磁路系统包括固定于所述框体的磁轭、固定于所述磁轭的磁钢及固定连接于所述磁钢远离所述磁轭一侧的磁极板。
  8. 根据权利要求7所述的扬声器，其特征在于，所述磁轭包括固定所述磁钢的底板以及自所述底板朝所述振膜方向弯折延伸的侧板，所述底板与所述振膜相对，所述侧板形成在所述音圈与所述弹力臂之间。
  9. 根据权利要求8所述的扬声器，其特征在于，所述侧板对应形成避让所述结合部的缺口。
PCT/CN2019/087924 2018-08-05 2019-05-22 扬声器 Ceased WO2020029636A1 (zh)

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CN208638640U (zh) * 2018-08-05 2019-03-22 瑞声科技(新加坡)有限公司 扬声器
CN121218078A (zh) * 2025-11-28 2025-12-26 瑞声光电科技(常州)有限公司 一种扬声器

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CN208638640U (zh) * 2018-08-05 2019-03-22 瑞声科技(新加坡)有限公司 扬声器

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US20180109893A1 (en) * 2016-10-18 2018-04-19 Bdnc (Holding) Limited Hard speaker radiating diaphragms with light-curable voice coil attachment
CN206775729U (zh) * 2017-02-13 2017-12-19 歌尔科技有限公司 发声器件
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