WO2022006790A1 - 扬声器单体 - Google Patents

扬声器单体 Download PDF

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Publication number
WO2022006790A1
WO2022006790A1 PCT/CN2020/100924 CN2020100924W WO2022006790A1 WO 2022006790 A1 WO2022006790 A1 WO 2022006790A1 CN 2020100924 W CN2020100924 W CN 2020100924W WO 2022006790 A1 WO2022006790 A1 WO 2022006790A1
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WO
WIPO (PCT)
Prior art keywords
speaker unit
main body
basin frame
sound
fixing
Prior art date
Application number
PCT/CN2020/100924
Other languages
English (en)
French (fr)
Inventor
肖波
令狐荣林
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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
Priority to PCT/CN2020/100924 priority Critical patent/WO2022006790A1/zh
Publication of WO2022006790A1 publication Critical patent/WO2022006790A1/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
    • 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
    • H04R9/06—Loudspeakers

Definitions

  • the utility model relates to the field of loudspeakers, in particular to a loudspeaker unit.
  • a loudspeaker unit in the prior art has a full filling structure in its rear cavity; in specific applications, there is a defect of air leakage from the side of the loudspeaker unit, which affects the improvement of the sound effect of the loudspeaker unit.
  • the purpose of the present invention is to provide a speaker unit, which aims to solve the technical problem of air leakage from the side of the speaker unit in the prior art.
  • a speaker unit including a basin frame with an accommodation space, and a magnetic circuit system and a vibration system accommodated in the accommodation space;
  • the vibration system includes a first sound film and a driving A voice coil with a sound membrane vibrating,
  • the first sound membrane includes a main body part and a fixing part surrounding and connected with the main body part, and
  • the basin frame includes a basin frame body surrounding and forming the receiving space and a self-contained part.
  • One end of the main body of the basin frame close to the first sound membrane extends toward the annular sealing portion which extends toward the first sound membrane; the annular sealing portion covers the fixing portion and is sealingly connected with it.
  • the fixing part includes a first fixing part connected to the main body part and extending away from the main body part; and a second fixing part connected to the first fixing part and extending toward the basin frame body part; the annular sealing part covers the second fixing part.
  • the speaker unit further includes a fixing frame supporting the first sound film;
  • the fixing frame includes a first end fixed with the first fixing portion, opposite to the first end and fixed on the basin frame
  • the main body has a second end close to one end of the first sound membrane, and a side wall that connects the first end and the second end and is fixedly connected to the second fixing portion.
  • the end of the annular sealing portion away from the main body of the basin frame is located on the same horizontal plane as the first fixing portion.
  • the speaker unit further includes a first air-permeable spacer disposed between the main body of the basin frame and the magnetic circuit system, and the main body of the basin frame is provided with a first air-permeable spacer extending toward the direction of the magnetic circuit system and connected to the first air-permeable spacer.
  • a breathable spacer is fixedly connected to the support surface.
  • the first air-permeable spacer includes a first connection part connected to the support surface, a second connection part connected to the side of the magnetic circuit system away from the first sound membrane, and a first connection part.
  • the second connecting part is located between the main body of the basin frame and the magnetic circuit system and is a protruding spacer toward the direction of the first sound membrane.
  • the magnetic circuit system includes a magnetic yoke connected to the second connection portion of the first air-permeable spacer, a central magnetic steel fixed on the side of the magnetic yoke facing the first sound membrane, and a magnetic steel surrounding the center.
  • Magnetic steel and a ring-shaped magnetic steel forming a magnetic gap with it, a first magnetic conducting plate on the side of the central magnetic steel facing away from the yoke, and a second magnetic conducting plate on the side of the annular magnetic steel facing away from the yoke Magnetic plate.
  • the speaker unit further includes a cover connected to the other end of the basin frame body away from the first sound membrane, the cover body, the basin frame body, the first air-permeable spacer and the magnetic yoke surround A cavity is formed, and the cavity is filled with sound-absorbing material.
  • the cover body is provided with a through hole passing through the cover body, and a sealing member is provided on the through hole.
  • the main body portion of the first sound membrane includes a central portion, a ring portion surrounding the central portion and connected to the central portion and the fixed portion, and the vibration system further includes a frame and a second sound membrane;
  • the skeleton includes a ring-shaped bracket connected with the side of the central part close to the magnetic circuit system, a first connecting arm and a second connecting arm respectively connected with both sides of the annular bracket, the first connecting arm and the second sound membrane the second connecting arm is connected with the voice coil;
  • the second sound membrane includes a free end connected with the first connecting arm and a fixed end fixed on the end of the main body of the basin frame close to the first sound membrane, and the connection The center folds of the free end and the fixed end.
  • the beneficial effect of the present utility model is that the speaker unit provided by the present utility model, by adding an annular sealing part on the basin frame, the annular sealing part covers and seals the fixing part of the first sound film, thereby effectively preventing the basin frame
  • the problem of air leakage with the first sound film is effectively preventing the problem of air leakage at the side of the speaker unit, and further, it is beneficial to improve the sound effect of the speaker unit.
  • FIG. 1 is a three-dimensional schematic diagram of a speaker unit provided by an embodiment of the present invention.
  • FIG. 2 is a three-dimensional schematic diagram of another direction of the speaker unit provided by the embodiment of the present invention.
  • FIG. 3 is a schematic cross-sectional view along the A-A direction.
  • FIG. 4 is a schematic cross-sectional view in the direction B-B.
  • FIG. 5 is a perspective exploded view of a speaker unit provided by an embodiment of the present invention.
  • the speaker unit 10 provided by the embodiment of the present invention includes a vibration system 1 , a magnetic circuit system 2 , and a basin frame 4 that accommodates the vibration system 1 and the magnetic circuit system 2 .
  • the magnetic circuit system 2 cooperates with the vibration system 1 to generate acoustic signals.
  • the vibration system 1 includes a first sound membrane 11 , a voice coil 12 that drives the first sound membrane 11 to vibrate, a skeleton 13 that connects the first sound membrane 11 and the voice coil 12 respectively, and a The dome 14, and the second sound membrane 15 connected with the frame 13.
  • the first sound membrane 11 includes a main body portion 110 and a fixing portion 111 surrounding and connected to the main body portion 110 .
  • the fixing portion 111 is used for supporting and fixing the first sound membrane 11 , and the fixing portion 111 is fixed around the main body portion 110 , that is, the peripheral edge of the first sound membrane 11 .
  • the main body portion 110 includes a central portion 112 , a ring portion 113 surrounding the central portion 112 and connected to the central portion 112 and the fixing portion 111 , the central portion 112 is in the shape of a central hole, the dome 14 is located in the central hole, and the dome 14 It is used to strengthen the strength of the first sound membrane 11 .
  • the fixing portion 111 includes a first fixing portion 1111 and a second fixing portion 1112 perpendicular to the first fixing portion 1111 .
  • the first fixing portion 1111 is connected to the main body portion 110 and extends away from the main body portion 110 ; the second fixing portion 1112 is connected to the first fixing portion 1111 and extends toward the basin frame 4 .
  • the speaker unit further includes a fixing frame 7 supporting the first sound film 11;
  • the fixing frame 7 includes a first end 71, a first end The second end 72 opposite to 71 and the side wall 70 connecting the first end 41 and the second end 42, and the side wall 70 is annular.
  • the first end 71 is fixedly connected to the first fixing portion 1111
  • the second end 72 is fixed to the end 41 of the basin frame body 40 close to the first sound membrane
  • the side wall 70 is fixedly connected to the second fixing portion 1112 .
  • the fixing portion 111 of the first sound membrane 11 is supported and fixed by the fixing frame 7 , that is, the peripheral edge of the first sound membrane 11 is fixedly mounted on the fixing frame 7 .
  • the fixing frame 7 is a steel ring structure.
  • the frame 13 includes an annular support 130 , and a first connecting arm 131 and a second connecting arm 132 connected to both sides of the annular support 130 .
  • One side of the annular bracket 130 is connected to the side of the central portion 112 close to the magnetic circuit system, and the other side is connected to the dome 14 .
  • the first connecting arm 131 is connected to the second sound membrane 15
  • the second connecting arm 132 is connected to the voice coil 12 .
  • the voice coil 12 is suspended in the magnetic gap formed by the magnetic circuit system. When the voice coil 12 vibrates, the frame 13 drives the first sound film 11 and the second sound film 15 to vibrate at the same time so as to produce sound.
  • the second sound membrane 15 includes a free end 150 connected to the first connecting arm 131 , a fixed end 151 fixed to one end 41 of the basin frame body 40 close to the first sound membrane, and a center connecting the free end 150 and the fixed end 151 Folding ring portion 152 .
  • the second sound diaphragm 15 is a supporting diaphragm for elastically supporting the voice coil.
  • the side of the second sound film 15 away from the first sound film 11 is further provided with a flexible circuit board 6 .
  • the flexible circuit board 6 is used to introduce electrical signals for the voice coil 13 , and one end of the flexible circuit board 6 is fixed on the On the main body 40 of the basin frame, the other end is connected to the free end 150 of the second sound membrane 15 .
  • the basin frame 4 includes a basin frame body 40 surrounding and forming a receiving space 46 , and both the magnetic circuit system and the vibration system are accommodated in the receiving space 46 .
  • the basin frame body 40 includes one end 41 close to the first sound membrane and another end 42 away from the first sound membrane.
  • the basin frame 4 is provided from the basin frame body 40 close to the first sound membrane
  • One end 41 of the ring-shaped sealing portion 43 extends toward the first sound membrane 11 .
  • the annular sealing portion 43 covers the fixing portion 111 of the first sound membrane 11 and is sealedly connected thereto. Specifically, the annular sealing portion 43 covers the second fixing portion 1112 and is tightly connected to the second fixing portion 1112 .
  • the present invention utilizes the annular sealing portion 43 to form a sealed connection with the second fixing portion 1112 of the first sound film, thereby preventing air leakage between the basin frame 4 of the speaker unit and the first sound film 11, that is, preventing the entire speaker unit from leaking.
  • Directional leak
  • the end portion 44 of the annular sealing portion 43 away from the basin frame body 40 is located on the same horizontal plane as the first fixing portion 1111 .
  • the annular sealing part 43 is far away from the end 44 of the basin frame body, which can increase the installation area of the first fixing part 1111 and make the installation of the first fixing part 1111 easier. stability.
  • the magnetic circuit system 2 includes a magnetic yoke 21 , a central magnetic steel 22 fixed on the side of the magnetic yoke 21 facing the first sound membrane 11 , and a center magnetic steel 22 surrounding the central magnetic steel 22 and formed therewith
  • Magnetic guide plate 26 The voice coil 12 is suspended in the magnetic gap 24 .
  • a first air-permeable spacer 3 is provided between the basin frame main body 40 and the magnetic circuit system 2 .
  • the first ventilating spacer 3 is disposed on the side of the magnetic yoke 21 that faces away from the vibration system 1 .
  • the basin frame body 40 is provided with a support surface 45 extending toward the magnetic circuit system 2 .
  • the support surface 45 is used for It is fixedly connected with the first ventilating spacer 3 to fix the installation of the first ventilating spacer 3.
  • the support surface 45 extends in the direction of the magnetic circuit system 2, which increases the amount of the first ventilating spacer 3 installed in the main body 40 of the basin frame. The installation area is reduced, so that the glued connection between the first ventilating spacer 3 and the basin frame main body 40 is more stable.
  • the first air-permeable separator 3 includes a first connecting part 31 , a second connecting part 32 and a spacer 33 connecting the first connecting part 31 and the second connecting part 32 .
  • the first connecting portion 31 is fixedly connected to the supporting surface 45 .
  • the second connection portion 32 is connected to the side of the magnetic circuit system away from the first sound membrane 11 , specifically, the second connection portion 32 is connected to the side of the magnetic yoke 21 away from the first sound membrane .
  • the spacer 33 is located between the basin frame body 40 and the magnetic circuit system 2 and protrudes toward the first sound membrane 11 .
  • the speaker unit further includes a cover body 8 connected to the other end 42 of the basin frame body 40 facing away from the first sound film.
  • the magnetic yoke 21 of the magnetic circuit system 2 forms a cavity 5 , and the cavity 5 is filled with a sound-absorbing material (not shown in the figure).
  • the cover body 8 is provided with a through hole 80 therethrough, and a sealing member 9 is provided on the through hole 80 .
  • the first air-permeable spacer 3 and the seal 9 are components through which air can pass.
  • the first air-permeable spacer 3 and the seal 9 can be any one of non-woven fabrics, nylon woven nets, wool knitted nets, metal nets and tuning paper.

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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扬声器单体，其包括具有收容空间的盆架，以及收容于所述收容空间内的磁路系统以及振动系统；所述振动系统包括第一音膜和驱动第一音膜振动的音圈，所述第一音膜包括主体部和围绕所述主体部并与之相连的固定部，所述盆架包括围绕并形成所述收容空间的盆架主体和自所述盆架主体靠近所述第一音膜的一端朝向所述第一音膜延伸的环形密封部；所述环形密封部包覆所述固定部并与之密封相连。本实用新型通过在盆架上增加环形密封部，环形密封部包覆并密封连接所述第一音膜的固定部，从而有效防止盆架与第一音膜之间的漏气问题，即有效防止扬声器单体侧边漏气的问题，进而，有利于提升扬声器单体的音效。

Description

扬声器单体 技术领域
本实用新型涉及扬声器领域，尤其涉及一种扬声器单体。
 背景技术
现有技术的一种扬声器单体，其后腔为全灌装结构；其在具体应用中，存在扬声器单体侧边漏气的缺陷，从而影响了扬声器单体音效的提高。
因此，有必要提供一种新型的扬声器单体以解决上述技术问题。
 技术问题
本实用新型的目的在于提供一种扬声器单体，其旨在解决现有技术中扬声器单体侧边漏气的技术问题。
 技术解决方案
本实用新型的技术方案如下：一种扬声器单体，包括具有收容空间的盆架，以及收容于所述收容空间内的磁路系统以及振动系统；所述振动系统包括第一音膜和驱动第一音膜振动的音圈，所述第一音膜包括主体部和围绕所述主体部并与之相连的固定部，所述盆架包括围绕并形成所述收容空间的盆架主体和自所述盆架主体靠近所述第一音膜的一端朝向所述第一音膜延伸的环形密封部；所述环形密封部包覆所述固定部并与之密封相连。
可选地，所述固定部包括与所述主体部相连并向远离所述主体部方向延伸的第一固定部和与所述第一固定部相连并朝向所述盆架主体延伸的第二固定部；所述环形密封部包覆所述第二固定部。
可选地，所述扬声器单体还包括支撑所述第一音膜的固定架；所述固定架包括与所述第一固定部固定的第一端、与第一端相对并固定于盆架主体靠近所述第一音膜的一端的第二端、以及连接第一端和第二端并与所述第二固定部固定相连的侧壁。
可选地，所述环形密封部远离所述盆架主体的端部与第一固定部位于同一个水平面上。
可选地，所述扬声器单体还包括设于盆架主体和所述磁路系统之间的第一透气隔离件，所述盆架主体内设有朝向所述磁路系统方向延伸并与第一透气隔离件固定相连的支撑面。
可选地，所述第一透气隔离件包括与支撑面相连的第一连接部、与所述磁路系统背离所述第一音膜的一侧相连的第二连接部，以及连接第一连接部和第二连接部并位于盆架主体和所述磁路系统之间并朝向所述第一音膜方向凸起的间隔部。
可选地，所述磁路系统包括与所述第一透气隔离件的第二连接部相连的磁轭、固定于所述磁轭朝向第一音膜一侧的中心磁钢和环绕所述中心磁钢并与之形成磁间隙的环形磁钢、位于所述中心磁钢背离所述磁轭一侧的第一导磁板和位于所述环形磁钢背离所述磁轭一侧的第二导磁板。
可选地，所述扬声器单体还包括与所述盆架主体背离所述第一音膜的另一端相连的盖体，所述盖体、盆架主体、第一透气隔离件以及磁轭围绕形成一腔体，所述腔体内填充吸音材料。
可选地，所述盖体上设有贯穿其上的通孔，在所述通孔上设有密封件。
可选地，所述第一音膜的主体部包括中心部，环绕所述中心部并与中心部和所述固定部相连的折环部，所述振动系统还包括骨架和第二音膜；所述骨架包括与所述中心部靠近所述磁路系统的一侧相连的环形支架和分别与环形支架两侧相连的第一连接臂和第二连接臂，第一连接臂与第二音膜相连，第二连接臂与所述音圈相连；所述第二音膜包括与第一连接臂相连的自由端和固定于所述盆架主体靠近第一音膜的一端的固定端，以及连接自由端和固定端的中心折环部。
 有益效果
本实用新型的有益效果在于：本实用新型提供的扬声器单体，通过在盆架上增加环形密封部，环形密封部包覆并密封连接所述第一音膜的固定部，从而有效防止盆架与第一音膜之间的漏气问题，即有效防止扬声器单体侧边漏气的问题，进而，有利于提升扬声器单体的音效。
 附图说明
图1为本实用新型实施例提供的扬声器单体的立体示意图。
图2为本实用新型实施例提供的扬声器单体的另一个方向的立体示意图。
图3为A-A方向的剖面示意图。
图4为B-B方向的剖面示意图。
图5为本实用新型实施例提供的扬声器单体的立体分解图。
 本发明的最佳实施方式
下面结合附图和实施方式对本实用新型作进一步说明。
如图1-5所示，本实用新型实施例提供的扬声器单体10，包括振动系统1、磁路系统2、收容振动系统1和磁路系统2的盆架4。磁路系统2与振动系统1配合工作以产生声学信号。
参照图3和图4所示，振动系统1包括第一音膜11、驱动第一音膜11振动的音圈12、分别连接第一音膜11和音圈12的骨架13、与骨架13相连的球顶14，和与骨架13相连的第二音膜15。
具体的是，第一音膜11包括主体部110和围绕所述主体部110并与之相连的固定部111。固定部111用于将第一音膜11被支撑固定，固定部111围绕所述主体部110，即第一音膜11的周侧边缘被固定。该主体部110包括中心部112，环绕所述中心部112并与中心部112和固定部111相连的折环部113，中心部112为中孔状，球顶14位于中孔内，球顶14用于加强第一音膜11的强度。
更具体的是，在本实用新型中，固定部111包括第一固定部1111和垂直于所述第一固定部1111的第二固定部1112。第一固定部1111与所述主体部110相连，向远离所述主体部110的方向延伸；第二固定部1112与第一固定部1111相连，并朝向所述盆架4延伸。
为了更好地支撑并固定第一音膜11，在本实施例中，扬声器单体还包括支撑所述第一音膜11的固定架7；固定架7包括第一端71、与第一端71相对的第二端72和连接第一端41和第二端42的侧壁70，侧壁70为环形。第一端71与所述第一固定部1111固定相连，第二端72固定于盆架主体40靠近所述第一音膜的一端41、侧壁70与所述第二固定部1112固定相连，此结构设计，使第一音膜11的固定部111被固定架7支撑固定，即第一音膜11的周侧边缘固定安装于所述固定架7上。在本实施例中，所述固定架7为钢环结构。
在本实施例中，骨架13包括环形支架130，和与环形支架130两侧相连的第一连接臂131和第二连接臂132。环形支架130的一侧与所述中心部112靠近所述磁路系统一侧相连，另一侧和所述球顶14相连。第一连接臂131与第二音膜15相连，第二连接臂132与所述音圈12相连。音圈12悬置于所述磁路系统形成的磁间隙中。当音圈12振动时，骨架13同时带动第一音膜11和第二音膜15振动以致发音。
第二音膜15包括与第一连接臂131相连的自由端150和固定于所述盆架主体40靠近第一音膜的一端41的固定端151，以及连接自由端150和固定端151的中心折环部152。在本实施例中，第二音膜15为支撑振膜，用于弹性支撑音圈。本实施例中，第二音膜15背离所述第一音膜11的一侧还设有柔性电路板6，柔性电路板6用于为音圈13导入电信号，柔性电路板6一端固定于盆架主体40上，另一端与第二音膜15的自由端150相连。
在本实施例中，盆架4包括围绕并形成收容空间46的盆架主体40，磁路系统和振动系统均收容于该收容空间46内。盆架主体40包括靠近第一音膜的一端41和背离靠近第一音膜的另一端42，在本实施例中，盆架4设有自所述盆架主体40靠近所述第一音膜的一端41朝向所述第一音膜11延伸的环形密封部43。环形密封部43包覆所述第一音膜11的固定部111并与之密封相连，具体的是，环形密封部43包覆第二固定部1112并与第二固定部1112密封紧密相连。本实用新型利用环形密封部43与第一音膜的第二固定部1112形成密封连接，从而防止扬声器单体的盆架4与第一音膜11之间漏气，即，防止整个扬声器单体测向漏气。
在本实施例中，所述环形密封部43远离所述盆架主体40的端部44与第一固定部1111位于同一个水平面上。当第一固定部1111需要安装到某壳体内时，环形密封部43远离所述盆架主体的端部44，可增大第一固定部1111的安装面积，使第一固定部1111的安装更稳定。
在本实施例中，所述磁路系统2包括与磁轭21、固定于所述磁轭21朝向第一音膜11一侧的中心磁钢22和环绕所述中心磁钢22并与之形成磁间隙24的环形磁钢23、位于所述中心磁钢22背离所述磁轭21一侧的第一导磁板25和位于所述环形磁钢23背离所述磁轭21一侧的第二导磁板26。所述音圈12悬置于所述磁间隙24中。
在本实施例中，在盆架主体40和所述磁路系统2之间设有第一透气隔离件3。第一透气隔离件3设于磁轭21之背对振动系统1的一侧，所述盆架主体40内设有朝向所述磁路系统2方向延伸的支撑面45，该支撑面45用于与第一透气隔离件3固定相连，以固定安装第一透气隔离件3，该支撑面45向磁路系统2的方向延伸，加大了第一透气隔离件3安装到盆架主体40内的安装面积，从而使得第一透气隔离件3与盆架主体40的胶合连接更稳定。
更具体的是，所述第一透气隔离件3包括第一连接部31、第二连接部32和连接第一连接部31和第二连接部32的间隔部33。第一连接部31与支撑面45固定相连。第二连接部32与所述磁路系统背离所述第一音膜11的一侧相连，具体的是，第二连接部32与所述磁轭21背离所述第一音膜的一侧相连。该间隔部33位于盆架主体40和所述磁路系统2之间并朝向所述第一音膜11方向凸起。此结构，使磁路系统2通过第一透气隔离件3固定于盆架主体内，而且，通过第一透气隔离件3将扬声器单体的内腔与外界间隔开。
具体的是，扬声器单体还包括与所述盆架主体40背离所述第一音膜的另一端42相连的盖体8，所述盖体8、盆架主体40、第一透气隔离件3以及磁路系统2的磁轭21围绕形成一腔体5，该腔体5内填充吸音材料（图中未示出）。所述盖体8上设有贯穿其上的通孔80，在所述通孔80上设有密封件9。第一透气隔离件3和密封件9为可供空气通过的部件。第一透气隔离件3、密封件9可为无纺布、尼龙编织网、羊毛编织网、金属网及调音纸中的任意一种。
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 (10)

  1. 一种扬声器单体，包括具有收容空间的盆架，以及收容于所述收容空间内的磁路系统以及振动系统；所述振动系统包括第一音膜和驱动第一音膜振动的音圈，所述第一音膜包括主体部和围绕所述主体部并与之相连的固定部，
    其特征在于：所述盆架包括围绕并形成所述收容空间的盆架主体和自所述盆架主体靠近所述第一音膜的一端朝向所述第一音膜延伸的环形密封部；所述环形密封部包覆所述固定部并与之密封相连。
  2. 根据权利要求1所述的扬声器单体，其特征在于：所述固定部包括与所述主体部相连并向远离所述主体部方向延伸的第一固定部和与所述第一固定部相连并朝向所述盆架主体延伸的第二固定部，所述环形密封部包覆所述第二固定部。
  3. 根据权利要求2所述的扬声器单体，其特征在于：所述扬声器单体还包括支撑所述第一音膜的固定架；所述固定架包括与所述第一固定部固定的第一端、与第一端相对并固定于盆架主体靠近所述第一音膜的一端的第二端、以及连接第一端和第二端并与所述第二固定部固定相连的侧壁。
  4. 根据权利要求2所述的扬声器单体，其特征在于：所述环形密封部远离所述盆架主体的端部与第一固定部位于同一个水平面上。
  5. 根据权利要求1所述的扬声器单体，其特征在于：所述扬声器单体还包括设于盆架主体和所述磁路系统之间的第一透气隔离件，所述盆架主体内设有朝向所述磁路系统方向延伸并与第一透气隔离件固定相连的支撑面。
  6. 根据权利要求5所述的扬声器单体，其特征在于：所述第一透气隔离件包括与支撑面相连的第一连接部、与所述磁路系统背离所述第一音膜的一侧相连的第二连接部，以及连接第一连接部和第二连接部并位于盆架主体和所述磁路系统之间并朝向所述第一音膜方向凸起的间隔部。
  7. 根据权利要求6所述的扬声器单体，其特征在于：所述磁路系统包括与所述第一透气隔离件的第二连接部相连的磁轭、固定于所述磁轭朝向第一音膜一侧的中心磁钢和环绕所述中心磁钢并与之形成磁间隙的环形磁钢、位于所述中心磁钢背离所述磁轭一侧的第一导磁板和位于所述环形磁钢背离所述磁轭一侧的第二导磁板。
  8. 根据权利要求6所述的扬声器单体，其特征在于：所述扬声器单体还包括与所述盆架主体背离所述第一音膜的另一端相连的盖体，所述盖体、盆架主体、第一透气隔离件以及磁轭围绕形成一腔体，所述腔体内填充吸音材料。
  9. 根据权利要求8所述的扬声器单体，其特征在于：所述盖体上设有贯穿其上的通孔，在所述通孔上设有密封件。
  10. 根据权利要求1所述的扬声器单体，其特征在于：所述第一音膜的主体部包括中心部，环绕所述中心部并与中心部和所述固定部相连的折环部，所述振动系统还包括骨架和第二音膜；所述骨架包括与所述中心部靠近所述磁路系统的一侧相连的环形支架和分别与环形支架两侧相连的第一连接臂和第二连接臂，第一连接臂与第二音膜相连，第二连接臂与所述音圈相连；所述第二音膜包括与第一连接臂相连的自由端和固定于所述盆架主体靠近第一音膜的一端的固定端，以及连接自由端和固定端的中心折环部。
PCT/CN2020/100924 2020-07-08 2020-07-08 扬声器单体 WO2022006790A1 (zh)

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