WO2020140549A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2020140549A1
WO2020140549A1 PCT/CN2019/110856 CN2019110856W WO2020140549A1 WO 2020140549 A1 WO2020140549 A1 WO 2020140549A1 CN 2019110856 W CN2019110856 W CN 2019110856W WO 2020140549 A1 WO2020140549 A1 WO 2020140549A1
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WO
WIPO (PCT)
Prior art keywords
voice coil
magnetic steel
pad
fixed
diaphragm
Prior art date
Application number
PCT/CN2019/110856
Other languages
English (en)
French (fr)
Inventor
肖波
令狐荣林
刘晓东
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
Publication of WO2020140549A1 publication Critical patent/WO2020140549A1/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
    • 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/06—Arranging circuit leads; Relieving strain on circuit leads
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • 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
    • H04R9/025—Magnetic circuit
    • 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
    • H04R9/041—Centering
    • 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
    • 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; DEAF-AID SETS; 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; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers

Definitions

  • the utility model relates to the field of electroacoustic transduction, in particular to a loudspeaker.
  • the speaker of the related art includes a basin frame, a diaphragm and a magnetic circuit system fixed to the basin frame, a voice coil driving the diaphragm to vibrate, and a centering that leads the voice coil outside the basin frame
  • the support piece, the centering support piece is provided with a pad for welding the leads of the voice coil, however, the pad is often suspended and not fixed, resulting in damage to the sound quality of the speaker and generating noise.
  • the purpose of the utility model is to provide a speaker, which solves the technical problem that the pad of the centering support piece of the speaker in the related art is not fixed, resulting in damage to the sound quality of the speaker and noise.
  • the present invention provides a speaker, which includes a basin frame, a magnetic circuit system and a vibration system housed in the basin frame, the vibration system includes a diaphragm and a voice coil that drives the diaphragm to vibrate And a centering support piece with one end fixed to the basin frame and the other end fixed to the voice coil, the centering support piece being fixed to the end of the voice coil away from the diaphragm, and the centering support piece is A fixed end of the voice coil is provided with a pad electrically connected to the voice coil, the diaphragm includes a central portion, a folding ring portion disposed around the central portion, and a sound portion fixed to the central portion close to the sound A ball top on one side of the circle, the ball top including a main body portion that is attached to the central portion and a connection portion that extends from an edge of the main body portion in the direction of the pad and is fixedly connected to the pad.
  • the magnetic circuit system includes a main magnetic steel corresponding to the central portion, an end of the voice coil away from the diaphragm is sleeved on the outer periphery of the main magnetic steel, and the centering support piece includes a fixed A fixing portion of the basin frame, a spring arm bent and extending from the fixing portion in the direction of the voice coil, and the pad connected to an end of the spring arm away from the fixing portion.
  • an end of the elastic arm away from the fixing portion is supported on a side of the voice coil away from the diaphragm, and the pad extends from the elastic arm in a direction away from the main magnetic steel.
  • the vibration system further includes a sound membrane fixedly connected to the centering support piece, and the sound membrane is recessed in a direction away from the elastic arm along the vibration direction of the vibration membrane.
  • the magnetic circuit system further includes an auxiliary magnetic steel fixed between the sound film and the main magnetic steel
  • the top of the ball further includes an edge extending from an edge of the main body portion and located at the folded ring portion and The extension between the secondary magnets
  • the vibration system further includes a support frame interposed between the sound film and the extension, the side of the sound film away from the fixed part The supporting frame is fixed, and the auxiliary magnetic steel is located between the supporting frame and the voice coil.
  • the voice coil is of a racetrack type
  • the auxiliary magnetic steel is symmetrically arranged at both ends of the voice coil along the long axis direction
  • the magnetic circuit system further includes fixed at both ends of the voice coil along the short axis direction
  • the side magnet, the side magnet and the auxiliary magnet are all spaced apart from the main magnet.
  • the connecting portion includes an extending arm extending from the edge of the main body portion in the direction of the pad, and a positioning portion bent and extended from the extending arm and fittingly fixed to the pad portion, the positioning A positioning hole is formed through the portion, and the pad part is exposed to the inside of the speaker through the positioning hole.
  • the extension arm extends along the outer side of the voice coil and fits with the voice coil.
  • each of the centering support pieces includes two pads, and the two pads are symmetrically arranged along the long axis direction of the voice coil.
  • the connecting portion is provided corresponding to the corner of the voice coil.
  • the speaker provided by the present invention has a connection portion extending toward the pad direction at the edge of the top of the ball and fixedly connected to the pad, so that the pad of the centering support piece can be fixed, thereby The sound quality of the speaker will not be damaged due to the pad, reducing noise.
  • Figure 1 is a perspective schematic view of the speaker of the present invention
  • Figure 2 is an exploded view of the speaker shown in Figure 1;
  • FIG. 3 is a cross-sectional view of the speaker shown in FIG. 1 along line A-A;
  • FIG. 4 is an assembled perspective view of the top of the ball and the centering support piece shown in FIG. 2.
  • the present invention provides a speaker 100 including a basin holder 1 and a vibration system 2 and a magnetic circuit system 3 housed in the basin holder 1.
  • the basin frame 1 is made of plastic
  • the magnetic circuit system 3 is used to generate a constant magnetic field
  • the vibration system 2 is connected to an external electrical signal to interact with the constant magnetic field generated by the magnetic circuit system 3 to generate electromagnetic force. Driven by this electromagnetic force generates vibration and sound.
  • the vibration system 2 includes a diaphragm 21, a voice coil 22, a centering piece 23, a voice membrane 24 and a support frame 25.
  • the voice coil 22 is used to drive the diaphragm 21 to vibrate and sound.
  • One end of the centering support piece 23 is fixed to the basin frame 1 and the other end is fixed to the voice coil 22.
  • the voice membrane 24 and the stator The heart support piece 23 is fixedly connected.
  • the centering support piece 23 is fixed to the end of the voice coil 22 away from the diaphragm 21, and the end of the centering support piece 23 and the voice coil 22 is provided with an electrical connection with the voice coil 22
  • Each of the centering support pieces 23 includes two of the pads 231, and the two of the pads 231 are arranged symmetrically along the long axis direction of the voice coil 22.
  • the centering support piece 23 includes a fixing portion 232 fixed to the basin frame 1, an elastic arm 233 that is bent and extended from the fixing portion 232 toward the voice coil 22, and away from the elastic arm 233
  • the pad 231 connected to one end of the fixing portion 232.
  • An end of the elastic arm 233 away from the fixing portion 232 is supported on a side of the voice coil 22 away from the diaphragm 21.
  • the sound film 24 is recessed in a direction away from the elastic arm 233 along the vibration direction of the diaphragm 21.
  • the diaphragm 21 includes a central portion 211, a folding ring portion 212 disposed around the central portion 211, and a ball fixed to the central portion 211 near the voice coil 22 side
  • the top portion 213, the ball top portion 213 includes a body portion 2131 attached to the central portion 211, and a connection portion extending from an edge of the body portion 2131 toward the pad 231 and fixedly connected to the pad 231 2132.
  • the connecting portion 2132 is provided corresponding to the corner of the voice coil 22.
  • the connecting portion 2132 includes an extending arm 2134 extending from the edge of the main body portion 2131 toward the pad 231, and a positioning portion 2135 bent and extending from the extending arm 2134 and being fixed to the pad 231 .
  • the extension arm 2134 extends along the outer side of the voice coil 22 and is in contact with the voice coil 22, the positioning portion 2135 is formed with a positioning hole 2136, and the pad 231 is partially exposed through the positioning hole 2136
  • the speaker 100 is inside.
  • the magnetic circuit system 3 includes a main magnet 31, a sub magnet 32, a side magnet 33, a main pole core 34, a sub pole core 35, and a yoke 36.
  • the main magnet 31 is provided corresponding to the central portion 211.
  • the end of the voice coil 22 away from the diaphragm 21 is sleeved around the outer periphery of the main magnet 31.
  • the auxiliary magnet 32 is fixed between the sound film 24 and the main magnet 31, the voice coil 22 is a racetrack type, and the auxiliary magnet 32 is symmetrically arranged on the voice coil 22 along the long axis direction Both ends.
  • the side magnetic steel 33 is fixed at both ends of the voice coil 22 in the short axis direction, and the side magnetic steel 33 and the auxiliary magnetic steel 32 are both spaced apart from the main magnetic steel 31.
  • the main pole core 34 and the sub pole core 35 are attached to the upper surfaces of the main magnet 31 and the sub magnet 32, respectively, and the main magnet 31 and the sub magnet 32 are fixed on Tain magnetic yoke 36.
  • the magnetic circuit system 3 further includes a magnetic conductive plate 30 embedded in the basin frame, and the magnetic conductive plate 30 covers the side of the side magnetic steel 33 away from the yoke 36.
  • the pad 231 extends from the elastic arm 233 in a direction away from the main magnetic steel 31.
  • the ball top 213 further includes an extension portion 2133 extending from an edge of the main body portion 2131 and located between the folding ring portion 212 and the auxiliary magnetic steel 32, and the vibration system 2 further includes an interposed sound
  • the supporting frame 25 between the membrane 24 and the extension portion 2133, the side of the sound film 24 away from the fixing portion 232 is fixed to the supporting frame 25, the auxiliary magnetic steel 32 is located between the supporting frame 25 and Between the voice coil 22.
  • the speaker 100 further includes a dust screen 4 fixed below the basin frame 1, the number of the dust screen 4 is two, and the two dust screens 4 are located along the basin frame 1 respectively Both ends in the long axis direction.
  • the speaker provided by the present invention has a connection portion extending toward the pad direction at the edge of the top of the ball and fixedly connected to the pad, so that the pad of the centering support piece can be fixed, thereby The sound quality of the speaker will not be damaged due to the pad, reducing noise.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)

Abstract

本实用新型涉及了一种扬声器，其包括盆架、磁路系统和振动系统，所述振动系统包括振膜、音圈以及定心支片，所述定心支片固定于所述音圈远离所述振膜的一端，且所述定心支片与所述音圈固定的一端设有与所述音圈电连接的焊盘，所述振膜包括中央部、环绕所述中央部设置的折环部以及固设于所述中央部靠近所述音圈一侧的球顶部，所述球顶部包括与所述中央部贴合的主体部和自所述主体部的边缘向所述焊盘方向延伸并与所述焊盘固定连接的连接部。本实用新型的有益效果在于: 本实用新型提供的扬声器，其通过在球顶部的边缘向焊盘方向延伸并与焊盘固定连接的连接部，使得定心支片的焊盘能够被固定，从而不会因为焊盘而导致扬声器的音质受损，降低杂音。

Description

扬声器 技术领域
本实用新型涉及一种电声换能领域，尤其涉及一种扬声器。
 背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。目前，手机的功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的扬声器被大量应用到现在的智能移动设备之中。
 技术问题
相关技术的所述扬声器包括盆架、固定于所述盆架的振膜和磁路系统、驱动所述振膜振动的音圈以及将所述音圈导通至所述盆架外的定心支片，该定心支片设有用于焊接音圈的引线的焊盘，然而，焊盘往往悬空未固定，导致扬声器的音质受损，产生杂音。
因此，实有必须提供一种新的扬声器解决上述技术问题。
 技术解决方案
本实用新型的目的在于提供一种扬声器，其解决相关技术中的扬声器的定心支片的焊盘未固定而导致扬声器的音质受损，产生杂音的技术问题。
为了解决上述技术问题，本实用新型提供了一种扬声器，其包括盆架以及收容于该盆架内的磁路系统和振动系统，所述振动系统包括振膜、驱动该振膜振动的音圈以及一端固定于所述盆架另一端固定于所述音圈的定心支片，所述定心支片固定于所述音圈远离所述振膜的一端，且所述定心支片与所述音圈固定的一端设有与所述音圈电连接的焊盘，所述振膜包括中央部、环绕所述中央部设置的折环部以及固设于所述中央部靠近所述音圈一侧的球顶部，所述球顶部包括与所述中央部贴合的主体部和自所述主体部的边缘向所述焊盘方向延伸并与所述焊盘固定连接的连接部。
优选的，所述磁路系统包括与所述中央部对应设置的主磁钢，所述音圈远离所述振膜的一端套设在所述主磁钢外周，所述定心支片包括固定在所述盆架的固定部、自所述固定部朝所述音圈方向弯折延伸的弹力臂、以及与所述弹力臂远离所述固定部一端连接的所述焊盘。
优选的，所述弹力臂远离所述固定部的一端支撑在所述音圈远离所述振膜的一侧，所述焊盘自所述弹力臂朝远离所述主磁钢的方向延伸。
优选的，所述振动系统还包括与所述定心支片固定连接的音膜，所述音膜朝沿所述振膜的振动方向朝远离所述弹力臂的方向凹陷。
优选的，所述磁路系统还包括固定在所述音膜与所述主磁钢之间的副磁钢，所述球顶部还包括自所述主体部边缘延伸并位于所述折环部与所述副磁钢之间的延伸部，所述振动系统还包括夹设在所述音膜与所述延伸部之间的支撑架，所述音膜远离所述固定部的一侧与所述支撑架固定，所述副磁钢位于所述支撑架与所述音圈之间。
优选的，所述音圈为跑道型，所述副磁钢对称设置在所述音圈沿长轴方向的两端，所述磁路系统还包括固定在所述音圈沿短轴方向两端的边磁钢，所述边磁钢及所述副磁钢均与所述主磁钢间隔设置。
优选的，所述连接部包括自所述主体部边缘朝所述焊盘方向延伸的延伸臂以及自所述延伸臂弯折延伸并与所述焊盘部贴合固定的定位部，所述定位部贯穿形成有定位孔，所述焊盘部分经所述定位孔暴露于所述扬声器内部。
优选的，所述延伸臂沿所述音圈的外侧延伸并与所述音圈贴合。
优选的，每个所述定心支片包括两个所述焊盘，且两个所述焊盘沿所述音圈的长轴方向对称设置。
优选的，所述连接部对应所述音圈的角部设置。
 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，其通过在球顶部的边缘向焊盘方向延伸并与焊盘固定连接的连接部，使得定心支片的焊盘能够被固定，从而不会因为焊盘而导致扬声器的音质受损，降低杂音。
 附图说明
图1是本实用新型扬声器的立体示意图；
图2为图1所示扬声器的分解图；
图3是图1所示扬声器沿A-A线的剖视图；
图4是图2所示球顶部与定心支片的装配立体图。
 本发明的实施方式
下面结合附图和实施方式对本实用新型作进一步详细描述。以下实施例用于说明本实用新型，但不用来限制本实用新型的范围。
请参阅图1-3所示，本实用新型提供了一种扬声器100，包括盆架1以及收容于该盆架1内的振动系统2和磁路系统3。所述盆架1由塑料制成，所述磁路系统3用于产生恒定磁场，所述振动系统2接外界电信号从而与所述磁路系统3产生的恒定磁场相互作用产生电磁力，进而被该电磁力驱动产生振动发声。
所述振动系统2包括振膜21、音圈22、定心支片23、音膜24以及支撑架25。所述音圈22用于驱动所述振膜21振动发声，所述定心支片23一端固定于所述盆架1另一端固定于所述音圈22，所述音膜24与所述定心支片23固定连接。
所述定心支片23固定于所述音圈22远离所述振膜21的一端，且所述定心支片23与所述音圈22固定的一端设有与所述音圈22电连接的焊盘231，每个所述定心支片23包括两个所述焊盘231，且两个所述焊盘231沿所述音圈22的长轴方向对称设置。所述定心支片23包括固定在所述盆架1的固定部232、自所述固定部232朝所述音圈22方向弯折延伸的弹力臂233、以及与所述弹力臂233远离所述固定部232一端连接的所述焊盘231。所述弹力臂233远离所述固定部232的一端支撑在所述音圈22远离所述振膜21的一侧。
所述音膜24朝沿所述振膜21的振动方向朝远离所述弹力臂233的方向凹陷。
再结合图3-4所示，所述振膜21包括中央部211、环绕所述中央部211设置的折环部212以及固设于所述中央部211靠近所述音圈22一侧的球顶部213，所述球顶部213包括与所述中央部211贴合的主体部2131和自所述主体部2131的边缘向所述焊盘231方向延伸并与所述焊盘231固定连接的连接部2132，具体的，所述连接部2132对应所述音圈22的角部设置。
所述连接部2132包括自所述主体部2131边缘朝所述焊盘231方向延伸的延伸臂2134以及自所述延伸臂2134弯折延伸并与所述焊盘231部贴合固定的定位部2135。所述延伸臂2134沿所述音圈22的外侧延伸并与所述音圈22贴合，所述定位部2135贯穿形成有定位孔2136，所述焊盘231部分经所述定位孔2136暴露于所述扬声器100内部。
所述磁路系统3包括主磁钢31、副磁钢32、边磁钢33、主极芯34、副极芯35以及磁轭36，所述主磁钢31对应所述中央部211设置，所述音圈22远离所述振膜21的一端套设在所述主磁钢31外周。所述副磁钢32固定在所述音膜24与所述主磁钢31之间，所述音圈22为跑道型，所述副磁钢32对称设置在所述音圈22沿长轴方向的两端。所述边磁钢33固定在所述音圈22沿短轴方向两端，所述边磁钢33及所述副磁钢32均与所述主磁钢31间隔设置。所述主极芯34和所述副极芯35分别贴设于所述主磁钢31和所述副磁钢32上表面，所述主磁钢31和所述副磁钢32均固设于所述磁轭36。优选地，磁路系统3还包括嵌设在盆架的导磁板30，导磁板30覆盖在边磁钢33远离磁轭36的一侧。
所述焊盘231自所述弹力臂233朝远离所述主磁钢31的方向延伸。
所述球顶部213还包括自所述主体部2131边缘延伸并位于所述折环部212与所述副磁钢32之间的延伸部2133，所述振动系统2还包括夹设在所述音膜24与所述延伸部2133之间的支撑架25，所述音膜24远离所述固定部232的一侧与所述支撑架25固定，所述副磁钢32位于所述支撑架25与所述音圈22之间。
所述扬声器100还包括固设于所述盆架1下方的防尘网4，所述防尘网4的数量为两个，且两个所述防尘网4分别位于所述盆架1沿长轴方向的两端。
本实用新型的有益效果在于: 本实用新型提供的扬声器，其通过在球顶部的边缘向焊盘方向延伸并与焊盘固定连接的连接部，使得定心支片的焊盘能够被固定，从而不会因为焊盘而导致扬声器的音质受损，降低杂音。
以上所述的仅是本实用新型的较佳实施方式，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，其包括盆架以及收容于该盆架内的磁路系统和振动系统，所述振动系统包括振膜、驱动该振膜振动的音圈以及一端固定于所述盆架另一端固定于所述音圈的定心支片，所述定心支片固定于所述音圈远离所述振膜的一端，且所述定心支片与所述音圈固定的一端设有与所述音圈电连接的焊盘，其特征在于，所述振膜包括中央部、环绕所述中央部设置的折环部以及固设于所述中央部靠近所述音圈一侧的球顶部，所述球顶部包括与所述中央部贴合的主体部和自所述主体部的边缘向所述焊盘方向延伸并与所述焊盘固定连接的连接部。
  2. 根据权利要求1所述的扬声器，其特征在于，所述磁路系统包括与所述中央部对应设置的主磁钢，所述音圈远离所述振膜的一端套设在所述主磁钢外周，所述定心支片包括固定在所述盆架的固定部、自所述固定部朝所述音圈方向弯折延伸的弹力臂、以及与所述弹力臂远离所述固定部一端连接的所述焊盘。
  3. 根据权利要求2所述的扬声器，其特征在于，所述弹力臂远离所述固定部的一端支撑在所述音圈远离所述振膜的一侧，所述焊盘自所述弹力臂朝远离所述主磁钢的方向延伸。
  4. 根据权利要求2所述的扬声器，其特征在于，所述振动系统还包括与所述定心支片固定连接的音膜，所述音膜朝沿所述振膜的振动方向朝远离所述弹力臂的方向凹陷。
  5. 根据权利要求4所述的扬声器，其特征在于，所述磁路系统还包括固定在所述音膜与所述主磁钢之间的副磁钢，所述球顶部还包括自所述主体部边缘延伸并位于所述折环部与所述副磁钢之间的延伸部，所述振动系统还包括夹设在所述音膜与所述延伸部之间的支撑架，所述音膜远离所述固定部的一侧与所述支撑架固定，所述副磁钢位于所述支撑架与所述音圈之间。
  6. 根据权利要求5所述的扬声器，其特征在于，所述音圈为跑道型，所述副磁钢对称设置在所述音圈沿长轴方向的两端，所述磁路系统还包括固定在所述音圈沿短轴方向两端的边磁钢，所述边磁钢及所述副磁钢均与所述主磁钢间隔设置。
  7. 根据权利要求1所述的扬声器，其特征在于，所述连接部包括自所述主体部边缘朝所述焊盘方向延伸的延伸臂以及自所述延伸臂弯折延伸并与所述焊盘部贴合固定的定位部，所述定位部贯穿形成有定位孔，所述焊盘部分经所述定位孔暴露于所述扬声器内部。
  8. 根据权利要求7所述的扬声器，其特征在于，所述延伸臂沿所述音圈的外侧延伸并与所述音圈贴合。
  9. 根据权利要求6所述的扬声器，其特征在于，每个所述定心支片包括两个所述焊盘，且两个所述焊盘沿所述音圈的长轴方向对称设置。
  10. 根据权利要求6所述的扬声器，其特征在于，所述连接部对应所述音圈的角部设置。
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