WO2020134309A1 - 一种扬声器 - Google Patents

一种扬声器 Download PDF

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Publication number
WO2020134309A1
WO2020134309A1 PCT/CN2019/110083 CN2019110083W WO2020134309A1 WO 2020134309 A1 WO2020134309 A1 WO 2020134309A1 CN 2019110083 W CN2019110083 W CN 2019110083W WO 2020134309 A1 WO2020134309 A1 WO 2020134309A1
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WO
WIPO (PCT)
Prior art keywords
voice coil
dome
housing
fixed
diaphragm
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/CN2019/110083
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English (en)
French (fr)
Inventor
曹成铭
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
Publication of WO2020134309A1 publication Critical patent/WO2020134309A1/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
    • 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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2209/00—Details of transducers of the moving-coil, moving-strip, or moving-wire type covered by H04R9/00 but not provided for in any of its subgroups
    • H04R2209/041—Voice coil arrangements comprising more than one voice coil unit on the same bobbin
    • 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
    • H04R7/04—Plane diaphragms
    • 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 belongs to the technical field of sound generators, and particularly relates to a speaker.
  • the speaker is an acoustic component commonly used in electronic equipment and is an electro-acoustic converter.
  • Existing speakers usually include a housing with a cavity, a vibration structure and a magnetic circuit structure.
  • the vibration structure and the magnetic circuit structure are provided in the housing
  • the cavity is divided into a front cavity and a rear cavity.
  • the vibration structure includes a voice coil and a diaphragm
  • the diaphragm includes a dome and a fold ring.
  • the dome and the voice coil are generally bonded by glue. Due to the poor control of the amount of glue, too much glue is likely to affect the pure tone yield. The problem.
  • the technical problem to be solved by the utility model is to provide a loudspeaker, which aims to solve the problem that in the prior art, when the dome and the voice coil are bonded by glue, the amount of glue between the dome and the voice coil is not well controlled and affects the pure tone The problem of yield.
  • a loudspeaker includes: a housing with a receiving cavity, a vibration structure and a magnetic circuit structure assembled in the receiving cavity, the vibration structure includes: fixing A diaphragm on the housing and a voice coil driving the diaphragm to vibrate and sound, the diaphragm includes a dome in a middle position and a folding ring connected to the dome, the folding ring includes a A first fixing portion of the housing, a second fixing portion connected to the dome, and a fold portion connecting the first fixing portion and the second fixing portion, characterized in that the dome is fixed to the first The two fixing portions face one side of the voice coil, the dome includes an edge portion connected to the voice coil, and the edge portion includes a recessed direction away from the voice coil from a surface connected to the voice coil Depression.
  • the housing includes a basin frame and an upper cover, a through cavity is opened on the basin frame, and the upper cover is closed on the top of the through cavity.
  • the magnetic circuit structure further includes: a magnet and a washer, the magnet is assembled on a base plate of the magnetic yoke, and the washer is assembled on a side of the magnet away from the base plate.
  • a loudspeaker of the utility model includes a housing with a containing cavity, a vibration structure and a magnetic circuit structure assembled in the containing cavity, the vibration structure includes: fixing The diaphragm of the shell and the voice coil driving the diaphragm to vibrate and sound.
  • the diaphragm includes a dome in a middle position and a folding ring connected to the dome.
  • the folding ring includes a first fixing portion fixed to the shell and a ring connected to the dome
  • the second fixing portion and the fold portion connecting the first fixing portion and the second fixing portion are characterized in that the dome is fixed to the side of the second fixing portion facing the voice coil, and the dome includes an edge portion connected to the voice coil
  • the part includes a recessed portion that is recessed from the surface connected to the voice coil away from the voice coil. There is a gap between the recessed portion and the voice coil as a glue storage space. After the glue is applied, the glue can effectively avoid the lower surface of the dome And the inner wall of the voice coil overflows, which improves the pure tone yield of the speaker.
  • 1 is a schematic structural view of a speaker provided by the utility model
  • Figure 2 is a schematic diagram of the exploded structure of Figure 1;
  • FIG. 3 is a schematic view of the top structure of FIG. 1;
  • FIG. 4 is a schematic cross-sectional structural view taken along the line A-A in FIG. 3;
  • FIG. 5 is an enlarged schematic structural view of the area B in FIG. 4;
  • FIG. 6 is a schematic structural view of the folding ring in FIG. 2;
  • FIG. 7 is a schematic diagram of the structure of the magnetic yoke in FIG. 2.
  • each reference sign indicates: 1. Shell; 11. Basin stand; 12. Upper cover; 2. Vibration structure; 21. Vibrating membrane; 211, dome; 2111, recessed portion; 212, folding ring; 2121, first fixing part; 2122, second fixing part; 2123, pleated part; 22, voice coil; 3. magnetic circuit structure; 31, magnetic conductive yoke; 311, base plate; 312, magnetic conductive side plate; 32, magnet ; 33, washer.
  • FIG. 1 to FIG. 7 is a loudspeaker provided in this embodiment, including: a housing 1 with a receiving cavity, a vibration structure 2 and a magnetic circuit structure 3 assembled in the receiving cavity.
  • the vibrating structure 2 includes: a diaphragm 21 fixed to the housing 1 and a voice coil 22 that drives the diaphragm 21 to vibrate and sound.
  • the diaphragm 21 includes a dome 211 at an intermediate position and a folding ring 212 connected to the dome.
  • the folding ring 212 includes The first fixing portion 2121 fixed to the housing 1, the second fixing portion 2122 connected to the dome 211 and the fold portion 2123 connecting the first fixing portion 2121 and the second fixing portion 2122, and the dome 211 is fixed to the second fixing portion 2122 Towards the side of the voice coil 22, the dome 211 includes an edge portion connected to the voice coil 22, and the edge portion includes a recessed portion 2111 recessed in a direction away from the voice coil 22 from the surface connected to the voice coil 22.
  • the edge portion of the dome 211 connected to the voice coil 22 includes a recessed portion 2111, so that there is a gap between the dome 211 and the inner wall of the voice coil 22 as a glue storage space. After the glue is applied between the coils 22, the glue will be stored in the gap and will not overflow to the lower surface of the dome 211 and the inner wall of the voice coil 22, which improves the pure sound yield of the speaker.
  • the housing 1 includes: a basin frame 11 and an upper cover 12, the basin frame 11 is in the shape of a rectangular frame, the basin frame 11 is provided with a through cavity, the upper cover 12 Cover the top of the cavity.
  • the magnetic circuit structure 3 includes a magnetic yoke 31, a magnet 32 and a washer 33.
  • the magnetically conductive yoke 31 includes a base plate 311 and a magnetically conductive side plate 312.
  • the base plate 311 is a rectangular plate. At 11 o'clock, the magnetically conductive side plate 312 extends into the through cavity, and there is a gap between the magnetically conductive side plate 312 and the inner wall of the pot holder 11.
  • the magnet 32 is assembled on the base plate 311 of the magnetic yoke 31, the magnetic side plate 312 of the magnetic yoke 31 surrounds the magnet 32, there is a gap between the magnetic side plate 312 and the magnet 32, and the washer 33 is assembled on the magnet 32 The side far away from the substrate 311.

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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

本实用新型属于发声器技术领域，尤其涉及一种扬声器，该扬声器包括：具有容置腔的外壳、装配在容置腔内的振动结构和磁路结构，振动结构包括：固定于外壳的振膜以及驱动振膜振动发声的音圈，振膜包括位于中间位置的球顶以及与球顶连接的折环，折环包括固定于外壳的第一固定部、与球顶连接的第二固定部以及连接第一固定部和第二固定部的褶皱部，球顶固定于第二固定部朝向音圈的一侧，球顶包括与音圈连接的边缘部，边缘部包括自与音圈连接的表面向远离音圈方向凹陷的凹陷部，该凹陷部与音圈之间留有作为储胶空间的间隙，打胶后可以有效地避免胶水向球顶的下表面及音圈的内壁溢出，提高了扬声器的纯音良率。

Description

一种扬声器 技术领域
本实用新型属于发声器技术领域，尤其涉及一种扬声器。
 背景技术
扬声器是常用于电子设备中的声学部件，是一种电声转换器，现有的扬声器通常包括具有空腔的壳体、振动结构和磁路结构，振动结构和磁路结构设置在壳体的空腔内且将空腔分隔为前腔和后腔。其中，振动结构包括音圈和振膜，振膜包括球顶和折环，球顶和音圈一般通过打胶粘接，由于打胶的量不好控制，容易出现胶量过多影响纯音良率的问题。
 技术问题
本实用新型所要解决的技术问题在于提供一种扬声器，旨在解决现有技术中，球顶和音圈通过打胶粘接时，球顶和音圈之间打胶的胶量不好控制，影响纯音良率的问题。
 技术解决方案
为解决上述技术问题，本实用新型是这样实现的，一种扬声器，包括：具有容置腔的外壳、装配在所述容置腔内的振动结构和磁路结构，所述振动结构包括：固定于所述外壳的振膜以及驱动所述振膜振动发声的音圈，所述振膜包括位于中间位置的球顶以及与所述球顶连接的折环，所述折环包括固定于所述外壳的第一固定部、与所述球顶连接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的褶皱部，其特征在于，所述球顶固定于所述第二固定部朝向所述音圈的一侧，所述球顶包括与所述音圈连接的边缘部，所述边缘部包括自与所述音圈连接的表面向远离所述音圈方向凹陷的凹陷部。
进一步地，所述外壳包括：盆架和上盖，所述盆架上开设有通腔，所述上盖盖合在所述通腔的顶部。
进一步地，所述磁路结构包括：导磁轭；所述导磁轭包括基板和导磁侧板，所述导磁侧板设置在所述基板的周侧且突出于所述基板的板面，当所述导磁轭装配在所述盆架上时，所述导磁侧板伸入到所述通腔内。
进一步地，所述磁路结构还包括：磁体和华司，所述磁体装配在所述导磁轭的基板上，所述华司装配在所述磁体的远离所述基板的一侧。
 有益效果
本实用新型与现有技术相比，有益效果在于：本实用新型的一种扬声器，包括：具有容置腔的外壳、装配在容置腔内的振动结构和磁路结构，振动结构包括：固定于外壳的振膜以及驱动振膜振动发声的音圈，振膜包括位于中间位置的球顶以及与球顶连接的折环，折环包括固定于外壳的第一固定部、与球顶连接的第二固定部以及连接第一固定部和第二固定部的褶皱部，其特征在于，球顶固定于第二固定部朝向音圈的一侧，球顶包括与音圈连接的边缘部，边缘部包括自与音圈连接的表面向远离音圈方向凹陷的凹陷部，该凹陷部与音圈之间留有作为储胶空间的间隙，打胶后可以有效地避免胶水向球顶的下表面及音圈的内壁溢出，提高了扬声器的纯音良率。
 附图说明
图1为本实用新型提供的扬声器的结构示意图；
图2为图1的分解结构示意图；
图3为图1的俯视结构示意图；
图4为图3中的A-A方向的剖视结构示意图；
图5为图4中的B区域的放大结构示意图；
图6为图2中折环的结构示意图；
图7为图2中导磁轭的结构示意图。
在附图中，各附图标记表示：1、外壳；11、盆架；12、上盖；2、振动结构；21、振膜；211、球顶；2111、凹陷部；212、折环；2121、第一固定部；2122、第二固定部；2123、褶皱部；22、音圈；3、磁路结构；31、导磁轭；311、基板；312、导磁侧板；32、磁体；33、华司。
 本发明的实施方式
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。
请参阅图1至图7，为本实施例提供的一种扬声器，包括：具有容置腔的外壳1、装配在容置腔内的振动结构2和磁路结构3。振动结构2包括：固定于外壳1的振膜21以及驱动振膜21振动发声的音圈22，振膜21包括位于中间位置的球顶211以及与球顶连接的折环212，折环212包括固定于外壳1的第一固定部2121、与球顶211连接的第二固定部2122以及连接第一固定部2121和第二固定部2122的褶皱部2123，球顶211固定于第二固定部2122朝向音圈22的一侧，球顶211包括与音圈22连接的边缘部，边缘部包括自与音圈22连接的表面向远离音圈22方向凹陷的凹陷部2111。
本实施例的扬声器中，球顶211与音圈22连接的边缘部包括凹陷部2111，使球顶211与音圈22的内壁之间留有作为储胶空间的间隙，在球顶211与音圈22之间打胶后，胶水会储存在该间隙内，不会溢出到球顶211的下表面及音圈22的内壁，提高了扬声器的纯音良率。
具体地，仍请参阅图1至图7，在本实施例中，外壳1包括：盆架11和上盖12，盆架11呈矩形框的形状，盆架11上开设有通腔，上盖12盖合在通腔的顶部。磁路结构3包括：导磁轭31、磁体32和华司33。导磁轭31包括基板311和导磁侧板312，基板311为矩形板，导磁侧板312设置在基板311的周侧且突出于基板311的板面，当导磁轭31装配在盆架11上时，导磁侧板312伸入到通腔内，并且导磁侧板312和盆架11的内壁之间具有间隔。磁体32装配在导磁轭31的基板311上，导磁轭31的导磁侧板312围在磁体32的周围，导磁侧板312和磁体32之间具有间隙，华司33装配在磁体32的远离基板311的一侧。
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 (4)

  1. 一种扬声器，其特征在于，包括：具有容置腔的外壳、装配在所述容置腔内的振动结构和磁路结构，所述振动结构包括：固定于所述外壳的振膜以及驱动所述振膜振动发声的音圈，所述振膜包括位于中间位置的球顶以及与所述球顶连接的折环，所述折环包括固定于所述外壳的第一固定部、与所述球顶连接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的褶皱部，其特征在于，所述球顶固定于所述第二固定部朝向所述音圈的一侧，所述球顶包括与所述音圈连接的边缘部，所述边缘部包括自与所述音圈连接的表面向远离所述音圈方向凹陷的凹陷部。
  2. 根据权利要求1所述的扬声器，其特征在于，所述外壳包括：盆架和上盖，所述盆架上开设有通腔，所述上盖盖合在所述通腔的顶部。
  3. 根据权利要求2所述的扬声器，其特征在于，所述磁路结构包括：导磁轭；所述导磁轭包括基板和导磁侧板，所述导磁侧板设置在所述基板的周侧且突出于所述基板的板面，当所述导磁轭装配在所述盆架上时，所述导磁侧板伸入到所述通腔内。
  4. 根据权利要求3所述的扬声器，其特征在于，所述磁路结构还包括：磁体和华司，所述磁体装配在所述导磁轭的基板上，所述华司装配在所述磁体的远离所述基板的一侧。
PCT/CN2019/110083 2018-12-29 2019-10-09 一种扬声器 Ceased WO2020134309A1 (zh)

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CN201822268446.9U CN209390336U (zh) 2018-12-29 2018-12-29 一种扬声器
CN201822268446.9 2018-12-29

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CN106792383A (zh) * 2017-01-04 2017-05-31 深圳市音沃仕科技有限公司 一种电声转换器
CN120583357A (zh) * 2025-07-31 2025-09-02 歌尔股份有限公司 发声装置和电子设备

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CN209390336U (zh) * 2018-12-29 2019-09-13 瑞声科技(新加坡)有限公司 一种扬声器
CN112261542A (zh) * 2020-09-27 2021-01-22 瑞声新能源发展(常州)有限公司科教城分公司 发声器件
CN213462264U (zh) * 2020-09-30 2021-06-15 瑞声科技(新加坡)有限公司 发声器件

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CN209390336U (zh) * 2018-12-29 2019-09-13 瑞声科技(新加坡)有限公司 一种扬声器

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CN106792383A (zh) * 2017-01-04 2017-05-31 深圳市音沃仕科技有限公司 一种电声转换器
CN120583357A (zh) * 2025-07-31 2025-09-02 歌尔股份有限公司 发声装置和电子设备

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