WO2022110368A1 - 发声器件 - Google Patents

发声器件 Download PDF

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Publication number
WO2022110368A1
WO2022110368A1 PCT/CN2020/136976 CN2020136976W WO2022110368A1 WO 2022110368 A1 WO2022110368 A1 WO 2022110368A1 CN 2020136976 W CN2020136976 W CN 2020136976W WO 2022110368 A1 WO2022110368 A1 WO 2022110368A1
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WO
WIPO (PCT)
Prior art keywords
side wall
bending
pad
voice coil
sound
Prior art date
Application number
PCT/CN2020/136976
Other languages
English (en)
French (fr)
Inventor
金鑫
钟志威
张帆
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.)
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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 WO2022110368A1 publication Critical patent/WO2022110368A1/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
    • 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
    • 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
    • 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
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • 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
    • H04R9/045—Mounting
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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 present invention relates to the field of acoustics and electricity, in particular to a sound-generating device.
  • a related art sound-generating device includes a basin frame, a vibration system fixed on the basin frame, and a magnetic circuit system that drives the vibration system to vibrate and sound; the vibration system diaphragm, inserted in the magnetic gap to drive the vibration system.
  • a voice coil vibrating with a diaphragm, a skeleton connected to the diaphragm and suspending the voice coil under the diaphragm, and an elastic conductive member connected to the side of the skeleton away from the diaphragm, the The voice coil includes a lead wire electrically connected to the elastic conductive member;
  • the magnetic circuit system includes a magnetic yoke, a magnetic steel fixed to the magnetic yoke, the magnetic steel includes a main magnetic steel and a magnetic steel formed with the main magnetic steel The secondary magnet of the gap.
  • the design of the elastic conductive member is not very reasonable, so that the pad is arranged in the middle area of the skeleton, which limits the area of the secondary magnetic steel, resulting in poor acoustic performance of the sounding device.
  • the purpose of the present invention is to provide a sounding device with pads on both sides of the skeleton, the secondary magnetic steel is large in volume, and has good acoustic performance.
  • the present invention provides a sound-emitting device, which includes a basin frame, a vibration system respectively fixed to the basin frame and a magnetic circuit system for driving the vibration system to vibrate and sound, and the magnetic circuit system has a magnetic gap
  • the vibration system includes a vibrating membrane fixed on the basin frame, a voice coil inserted in the magnetic gap to drive the vibrating membrane to vibrate, a frame connected with the vibrating membrane, and a skeleton fixed on the basin frame and connected with the vibrating membrane.
  • first pad and a second pad formed by bending arms extending away from each other; the first pad and the second pad are respectively arranged on both sides of the frame; the first bending The arm is spaced apart from the second bending arm, and the lead wire is respectively fixed and electrically connected to the first pad and the second pad.
  • the frame includes a bottom wall fixed to the vibrating membrane and a side wall bent and extended from the bottom wall towards the magnetic circuit system, and an end of the side wall away from the vibrating membrane and the The first connector and the second connector are fixedly connected.
  • the bottom wall is annular
  • the side wall includes a first side wall bent and extended from the outer periphery of the bottom wall toward the magnetic circuit system, and a first side wall extending from the inner periphery of the bottom wall to the magnetic circuit system.
  • the second side wall is bent and extended in the direction of the road system; the first side wall is connected with the first connecting piece and the second connecting piece, the second side wall is connected with the voice coil, and the first side wall is connected with the voice coil.
  • the wall is spaced apart from the voice coil, and the bottom wall, the first side wall, the second side wall and the voice coil together form the receiving space.
  • the first connecting member includes a first elastic portion extending from the elastic conductive body and a first connecting portion bent and extending from the first elastic portion toward the second connecting member;
  • the The second connecting member includes a second elastic portion extending from the elastic conductive body and a second connecting portion bent and extending from the second elastic portion toward the first connecting member;
  • the first connecting member and The second connecting members are arranged at intervals, and both the first connecting portion and the second connecting portion are connected to one end of the first side wall away from the vibrating membrane.
  • both the first pad and the second pad are fixedly connected to a side of the bottom wall away from the diaphragm.
  • the voice coil is in the shape of a racetrack, including a pair of short-axis sides and a pair of long-axis sides, the first side wall includes two and is arranged at intervals on the short-axis sides of the voice coil, the second The side wall is annular, and the second side wall is connected to an end of the voice coil close to the diaphragm.
  • the first bending arm includes a first bending part close to the first side wall and a second bending part bent and extending from the first bending part, the second bending part
  • the second bending arm includes a third bending part close to the first side wall and a fourth bending part bent and extended from the third bending part a bending part, the fourth bending part is fixed on the side of the bottom wall away from the diaphragm; the first pad is formed by extending from the second bending part away from the fourth bending part , the second pad is formed by extending from the fourth bending portion away from the second bending portion.
  • the magnetic circuit system includes a magnetic yoke, a main magnetic steel disposed on the magnetic yoke, a first auxiliary magnetic steel and a second auxiliary magnetic steel disposed around the main magnetic steel, and fixed on the first magnetic steel.
  • a secondary magnetic steel and a secondary magnetic conducting plate of the second secondary magnetic steel, the first secondary magnetic steel is located on the short axis side of the voice coil, and the first secondary magnetic steel includes a magnetic steel body and a self-contained magnetic steel body. an extension part extending from the steel body; the first side wall is provided with a first escape opening, and the extension part protrudes from the first escape opening and is located between the first connecting piece and the second connecting piece .
  • an escape portion is formed on the secondary magnetic conductive plate corresponding to the first pad and the second pad.
  • the vibration system further includes an auxiliary diaphragm attached to the side of the elastic conductive member away from the diaphragm; the auxiliary diaphragm is provided with a second escape opening, and the first escape opening and the The second escape port communicates to accommodate the extension.
  • the elastic conductive member includes an elastic conductive member body fixed on the basin frame, a first connecting member and a second connecting member respectively bent and extended from the elastic conductive member body towards each other.
  • the voice coil leads are respectively It is fixed and electrically connected to the first pad and the second pad; the first pad and the second pad are both arranged on both sides of the frame, and the first bending arm and the second bending arm are The arms are arranged at intervals, so that the extension on the first secondary magnetic steel can extend to between the first connecting piece and the second connecting piece through the interval between the first bending arm and the second bending arm, and in the first auxiliary
  • the extension part provided on the magnetic steel increases the volume of the first pair of magnetic steels and improves the acoustic performance of the sounding device.
  • FIG. 1 is an exploded schematic diagram of the three-dimensional structure of the sound-emitting device of the present invention.
  • FIG. 2 is a schematic three-dimensional structural diagram of the combination of the voice coil, the skeleton and the elastic conductive member of the sound-emitting device of the present invention.
  • FIG. 3 is a schematic three-dimensional structural diagram of the secondary magnetic conductive plate and the elastic conductive member of the sounding device of the present invention.
  • FIG. 4 is a schematic diagram of the three-dimensional structure of the sound-emitting device of the present invention.
  • FIG. 5 is a cross-sectional view of the sound-emitting device of the present invention taken along the line A-A in FIG. 3 .
  • FIG. 6 is an enlarged schematic view of B in FIG. 4 of the sound-emitting device of the present invention.
  • FIG. 7 is a schematic diagram of a part of the assembly of the sound-emitting device of the present invention.
  • the present invention provides a sound-generating device 100 .
  • the sound-generating device 100 includes a basin frame 1 , a vibration system respectively fixed to the basin frame 1 , and a magnetic circuit system for driving the vibration system to vibrate and emit sound. 3.
  • the magnetic circuit system 3 has a magnetic gap 30 .
  • the vibration system includes a diaphragm 21 fixed to the basin frame 1 , a voice coil 22 inserted in the magnetic gap 30 to drive the diaphragm 21 to vibrate, and a frame connected to the diaphragm 21 23.
  • the elastic conductive member 25 and the auxiliary diaphragm 26 are fixed to the basin frame 1 and connected to the side of the frame 23 away from the diaphragm 21.
  • the frame 23 and the voice coil 22 together form a surrounding area.
  • the storage space 10 is described.
  • the vibrating membrane 21 includes a vibrating portion 211 having a through hole 2110 , a ring portion 212 extending from the periphery of the vibrating portion 211 and surrounding the vibrating portion 211 , and a ring portion 212 extending from the ring portion 212 away from the vibrating portion.
  • One side of the 211 is bent and extended and fixed to the fixing portion 213 of the basin frame 1 and the dome 214 ; the vibrating portion 211 surrounds the dome 214 and is spaced apart from each other.
  • the voice coil 22 is in the shape of a racetrack, and one end away from the diaphragm 21 is inserted into the magnetic gap 30, and includes a pair of short-axis sides 221 arranged at intervals from each other and a pair of long-axis sides 222 arranged at intervals.
  • the short axis side 221 has two leads 2211 .
  • the frame 23 includes an annular bottom wall 231 fixed to the vibrating portion 211 , and a side wall 232 bent and extended from the bottom wall 231 toward the magnetic circuit system 3 .
  • the side wall 232 includes a first side wall 2321 bent and extended from the outer periphery of the bottom wall 231 toward the magnetic circuit system 3 , and a first side wall 2321 extending from the inner periphery of the bottom wall 231 to the magnetic circuit system 3 .
  • the second side wall 2322 is bent and extended in the direction.
  • the first side wall 2321 includes two and is disposed on opposite sides of the short axis of the voice coil 22 at intervals. connected at one end.
  • the first side wall 2321 is spaced apart from the voice coil 22 , and the bottom wall 231 , the first side wall 2321 , the second side wall 2322 and the voice coil 22 together form the receiving space 10.
  • the first side wall 2321 is provided with a first escape notch 2320 , which is formed by removing the material from the first side wall 2321 .
  • the bottom wall 231 is located between the dome 214 and the vibrating part 211 and connects the vibrating part 211 and the dome 214 to form an integral structure, which has better reliability.
  • the elastic conductive members 25 include two and are respectively disposed on the two short axis sides 221 of the voice coil 22 .
  • the elastic conductive member 25 includes an elastic conductive member body 250 fixed to the basin frame 1, a first connecting member 251 and a second connecting member 252 extending from the elastic conductive member body 250 toward each other,
  • a connecting member 251 is a first bending arm 253 that is bent and extended along the frame 23 toward the receiving space 10 , and a second bending arm 253 that is bent and extended from the second connecting member 252 along the frame toward the receiving space 10 .
  • the bending arm 254 and the first bonding pad 255 and the second bonding pad 256 are respectively formed by the first bending arm 253 and the second bending arm 254 extending away from each other.
  • the first connecting piece 251 and the second connecting piece 252 are spaced apart, and the first bending arm 253 and the second bending arm 254 are spaced apart.
  • the second connecting member 252 includes a second elastic portion 2520 extending from the elastic conductive body 250 and a second connecting portion 2521 that is bent and extended from the second elastic portion 2520 toward the first connecting piece 251 .
  • the first elastic portion 2510 is spaced apart from the second elastic portion 2520 .
  • the first connecting portion 2511 and the second connecting portion 2521 extend toward each other and are spaced apart.
  • Both the first connecting portion 2511 and the second connecting portion 2521 are connected to an end of the first side wall 2321 away from the diaphragm 21 .
  • the other elastic conductive member 25 may not be provided with a bending arm and a third connecting member.
  • the first bending arm 253 includes a first bending portion extending from the first connecting portion 2511 along the first side wall 2321 toward the bottom wall 231 and located in the receiving space 10 .
  • the bending portion 2531 and the second bending portion 2532 extending from the first bending portion 2531 to the second side wall 2322;
  • the first side wall 2321 is bent and extended in the direction of the bottom wall 231 and is located in the third bending portion 2541 of the receiving space 10
  • the third bending portion 2541 extends from the third bending portion 2541 to the direction of the second side wall 2322
  • the fourth bent portion 2542 is bent and extended, the first pad 255 is formed by extending from the second bent portion 2532 away from the fourth bent portion 2542 , and the second pad 256 is formed by the
  • the fourth bent portion 2542 is formed to extend away from the second bent portion 2532 , and the two leads 2211 of the voice coil 22 are electrically connected to the first pad 255 and the second pad 256 by welding.
  • the first bending portion 2531 and the third bending portion 2541 are spaced and parallel to the first side wall 2321 ; the second bending portion 2532 , the fourth bending portion 2542 , the Both the first pad 255 and the second pad 256 are attached to the side of the bottom wall 231 close to the voice coil 22 ; the first pad 255 and the second pad 256 are respectively arranged on Both sides of the frame 23 .
  • the elastic conductive member body 250 is fixed on the side of the basin frame 1 away from the vibrating film 21 , and the first connecting member 251 and the second connecting member 252 are spaced apart and fixed on the first side wall 2321 away from the vibrating diaphragm 21 . film 21 side.
  • the auxiliary diaphragm 26 is attached to the side of the elastic conductive member 25 away from the diaphragm 21 .
  • the auxiliary diaphragm is provided with a second avoidance gap 260 , and the second avoidance gap 260 communicates with the first avoidance gap 2320 .
  • the magnetic circuit system 3 includes a magnetic yoke 31, a main magnetic steel 32, a main magnetic steel plate 33, two second auxiliary magnetic steels 34, two first auxiliary magnetic steels 35 and an auxiliary magnetic conductive plate 36;
  • the main magnetic steel 32 is installed on the side of the yoke 31 close to the basin frame 1
  • the main magnet plate 33 is installed on the side of the main magnet 32 close to the basin frame 1
  • the steel 34 and the first auxiliary magnetic steel 35 are installed on the side of the magnetic yoke 31 close to the basin frame 1 and spaced apart from the main magnetic steel 32
  • the auxiliary magnetic conductive plate 36 is installed on the
  • the second auxiliary magnetic steel 34 and the first auxiliary magnetic steel 35 are arranged close to the side of the basin frame 1 and are spaced from the main magnetic plate 33
  • the auxiliary magnetic conductive plate 36 is far away from the yoke 31 .
  • the main magnetic steel 32 is roughly a cuboid, which has a short axis and a long axis
  • the two second auxiliary magnetic steels 34 correspond to the long axes of the main magnetic steel 32
  • the magnetic steel 35 corresponds to the short axis of the main magnetic steel 32
  • the second auxiliary magnetic steel 34 and the first auxiliary magnetic steel 35 are spaced from the main magnetic steel 32 to form a magnetic gap 30 .
  • the end of the voice coil 24 away from the diaphragm 21 is inserted into the magnetic gap 30 , the two first auxiliary magnetic steels 34 are rectangular parallelepipeds, and the first auxiliary magnetic steel 35 includes a magnetic steel body 351 and a direction away from the magnetic steel body 351 .
  • the extension portion 350 of the main magnet 32 extends.
  • the extension portion 350 protrudes from the first escape notch 2320 and is located between the first connecting member 251 and the second connecting member 252 , and is received in the second escape notch 260 .
  • the design of the extension portion 350 increases the volume of the first secondary magnetic steel 35 , thereby improving the acoustic performance of the sound-emitting device 100 .
  • the auxiliary magnetic conductive plate 36 is provided with an escape portion 360 at the corresponding position of the first pad 255 and the second pad 256 ; the first pad 255 , the second pad 256 and the
  • the avoidance parts 360 are all disposed near the two sides of the frame 23 , which is beneficial to maximize the magnetic permeability of the linear region, thereby improving the acoustic performance of the sound-emitting device.
  • the elastic conductive member includes an elastic conductive member body fixed on the basin frame, a first connecting member and a second connecting member respectively bent and extended from the elastic conductive member body towards each other.
  • Two connecting pieces a first bending arm extending from the first connecting piece along the frame toward the receiving space, and bending from the second connecting piece along the frame toward the receiving space
  • the extended second bending arm and the first bonding pad and the second bonding pad respectively formed by the first bending arm and the second bending arm extending outwardly away from each other;
  • the voice coil leads are respectively connected with
  • the first pad and the second pad are fixed and electrically connected;
  • the first pad and the second pad are both arranged on both sides of the frame, and the first bending arm and the second bending arm
  • the arms are arranged at intervals, so that the extension on the first secondary magnetic steel can extend between the first connecting piece and the second connecting piece through the interval between the first bending arm and the second bending arm, and in the first auxiliary
  • the extension portion provided on the magnetic steel increases the volume of the first pair of magnetic steel, thereby improving the acoustic performance of the sounding device.
  • the present invention provides one embodiment of the present invention as described above, which is not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied In other related technical fields, they are all included within the scope of patent protection of the present invention.

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

Abstract

本发明提供一种发声器件，其包括盆架、振动系统和磁路系统，磁路系统具有磁间隙，振动系统包括固定于盆架的振膜、与振膜连接的骨架、固定于骨架的音圈及固定于盆架的弹性导电件，音圈具有引线，弹性导电件包括固定于盆架的弹性导电件本体、分别自弹性导电件本体朝向彼此延伸的第一连接件和第二连接件、分别自第一连接件和第二连接件沿骨架弯折延伸的第一弯折臂、第二弯折臂以及分别由所述第一弯折臂和所述第二弯折臂向外彼此背离延伸的第一焊盘与第二焊盘；引线与第一焊盘、第二焊盘电连接；第一焊盘、第二焊盘设置于骨架的两侧，第一弯折臂与第二弯折臂间隔设置，中间段可用于增加第一副磁钢的体积，提升了发声器件的声学性能。

Description

发声器件 技术领域
本发明涉及声电领域，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，而发声器件中的振动系统尤为重要，整个发声器件通过所述振动系统振动发声。
相关技术发声器件包括盆架、固定于所述盆架上的振动系统以及驱动所述振动系统振动发声的磁路系统；所述振动系统振膜、插设于所述磁间隙以驱动所述振膜振动的音圈、与所述振膜连接并将所述音圈支撑悬置于所述振膜下方的骨架以及与所述骨架远离所述振膜的一侧连接的弹性导电件，所述音圈包括与所述弹性导电件电连接的引线；所述磁路系统包括磁轭，固定于所述磁轭的磁钢，所述磁钢包括主磁钢以及与所述主磁钢形成磁间隙的副磁钢。
然而，相关技术中，弹性导电件的设计不是很合理，导致焊盘设置在骨架的中间区域，对副磁钢的面积有限制，使得发声器件的声学性能欠佳。
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
本发明的目的在于提供一种焊盘在骨架两侧区域、副磁钢体积大且声学性能好的发声器件。
 技术解决方案
为达到上述目的，本发明提供一种发声器件，其包括盆架、分别固定于所述盆架的振动系统和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，所述振动系统包括固定于所述盆架的振膜、插设于所述磁间隙以驱动所述振膜振动的音圈、与所述振膜连接的骨架以及固定于所述盆架并与所述骨架远离所述振膜的一侧连接的弹性导电件，所述音圈的一端具有引线，所述骨架与所述音圈共同围成收容空间，所述弹性导电件包括固定于所述盆架的弹性导电件本体、分别自所述弹性导电件本体朝向彼此弯折延伸的第一连接件和第二连接件、自所述第一连接件沿所述骨架朝向所述收容空间内弯折延伸的第一弯折臂、自所述第二连接件沿所述骨架朝向所述收容空间内弯折延伸的第二弯折臂以及分别由所述第一弯折臂和所述第二弯折臂向彼此背离的方向延伸形成的第一焊盘与第二焊盘；所述第一焊盘和所述第二焊盘分别设于所述骨架的两侧；所述第一弯折臂与所述第二弯折臂间隔设置，所述引线分别与所述第一焊盘、所述第二焊盘固定且电连接。
优选地，所述骨架包括固定于所述振膜的底壁以及由所述底壁向所述磁路系统方向弯折延伸的侧壁，所述侧壁远离所述振膜的一端与所述第一连接件和第二连接件固定连接。
优选地，所述底壁呈环状，所述侧壁包括由所述底壁外周缘向所述磁路系统方向弯折延伸的第一侧壁以及由所述底壁内周缘向所述磁路系统方向弯折延伸的第二侧壁；所述第一侧壁与所述第一连接件和第二连接件连接，所述第二侧壁与所述音圈连接，所述第一侧壁与所述音圈间隔相对，所述底壁、所述第一侧壁、所述第二侧壁以及所述音圈共同围成所述收容空间。
优选地，所述第一连接件包括自所述弹性导电本体伸出的第一弹性部和自所述第一弹性部向靠近所述第二连接件弯折延伸的第一连接部；所述第二连接件包括自所述弹性导电本体伸出的第二弹性部和自所述第二弹性部向靠近所述第一连接件弯折延伸的第二连接部；所述第一连接件与所述第二连接件间隔设置，所述第一连接部、所述第二连接部均与所述第一侧壁远离所述振膜一端连接。
优选地，所述第一焊盘、所述第二焊盘均与所述底壁远离所述振膜的一侧固定连接。
优选地，所述音圈呈跑道形，包括一对短轴侧和一对长轴侧，所述第一侧壁包括两个且间隔设置于所述音圈的短轴侧，所述第二侧壁呈环状，所述第二侧壁与所述音圈靠近所述振膜的一端连接。
优选地，所述第一弯折臂包括靠近所述第一侧壁的第一弯折部和自所述第一弯折部弯折延伸的第二弯折部，所述第二弯折部固定于所述底壁远离所述振膜的一侧；第二弯折臂包括靠近所述第一侧壁的第三弯折部和自所述第三弯折部弯折延伸的第四弯折部，所述第四弯折部固定于所述底壁远离所述振膜的一侧；所述第一焊盘由所述第二弯折部向远离所述第四弯折部延伸形成，所述第二焊盘由所述第四弯折部向远离所述第二弯折部延伸形成。
优选地，所述磁路系统包括磁轭、设置在所述磁轭的主磁钢以及围绕所述主磁钢设置的第一副磁钢和第二副磁钢、以及固定于所述第一副磁钢和所述第二副磁钢的副导磁板，所述第一副磁钢位于所述音圈的短轴侧，所述第一副磁钢包括磁钢本体以及自所述磁钢本体延伸的延伸部；所述第一侧壁设有第一避让口，所述延伸部自所述第一避让口伸出并位于所述第一连接件和所述第二连接件之间。
优选地，所述副导磁板对应所述第一焊盘与所述第二焊盘位置处形成避让部。
优选地，所述振动系统还包括贴设于所述弹性导电件远离所述振膜一侧的辅助振膜；所述辅助振膜开设有第二避让口，所述第一避让口与所述第二避让口连通以容纳所述延伸部。
 有益效果
与相关技术相比，本发明的发声器件，所述弹性导电件包括固定于所述盆架的弹性导电件本体、分别自所述弹性导电件本体朝向彼此弯折延伸的第一连接件和第二连接件、自所述第一连接件沿所述骨架朝向所述收容空间内弯折延伸的第一弯折臂、自所述第二连接件沿所述骨架朝向所述收容空间内弯折延伸的第二弯折臂与以及分别由所述第一弯折臂和所述第二弯折臂向彼此背离的方向延伸形成的第一焊盘与第二焊盘；所述音圈引线分别与第一焊盘与第二焊盘固定且电连接；所述第一焊盘、所述第二焊盘均设置于骨架的两侧，所述第一弯折臂与所述第二弯折臂间隔设置，从而使得第一副磁钢上的延伸部能够经第一弯折臂与第二弯折臂之间的间隔延伸至第一连接件和第二连接件之间，在第一副磁钢上设置延伸部增加了第一副磁钢的体积，提升所述发声器件的声学性能。
 附图说明
为了更清楚地说明本发明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发明的一些实施例，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为本发明发声器件的立体结构分解示意图。
图2为本发明发声器件的音圈、骨架与弹性导电件组合的立体结构示意图。
图3为本发明发声器件的副导磁板与弹性导电件立体结构示意图。
图4为本发明发声器件的立体结构示意图。
图5为本发明发声器件沿图3中A-A线的剖视图。
图6为本发明发声器件图4中B的放大示意图。
图7为本发明发声器件的部分装配示意图。
 本发明的实施方式
下面将结合本发明实施例中的附图，对本发明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发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，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，都属于本发明保护的范围。
请参考图1-7所示，本发明提供一种发声器件100，该发声器件100包括盆架1、分别固定于所述盆架1的振动系统和驱动所述振动系统振动发声的磁路系统3，所述磁路系统3具有磁间隙30。
具体的，所述振动系统包括固定于所述盆架1的振膜21、插设于所述磁间隙30以驱动所述振膜21振动的音圈22、与所述振膜21连接的骨架23、固定于所述盆架1并与所述骨架23远离所述振膜21的一侧连接的弹性导电件25以及辅助振膜26，所述骨架23与所述音圈22共同围成所述收容空间10。
所述振膜21包括具有通孔2110的振动部211、由所述振动部211的周缘延伸并环绕所述振动部211的折环部212、由所述折环部212向远离所述振动部211的一侧弯折延伸并固定于所述盆架1的固定部213以及球顶214；所述振动部211环绕所述球顶214并相互间隔设置。
所述音圈22呈跑道形，其远离所述振膜21一端插设于所述磁间隙30内，包括一对相互间隔设置的短轴侧221和一对相互间隔设置的长轴侧222，所述短轴侧221具有两根引线2211。
所述骨架23包括固定于所述振动部211且呈环状的底壁231、由所述底壁231向所述磁路系统3方向弯折延伸的侧壁232。
具体的，所述侧壁232包括由所述底壁231外周缘向所述磁路系统3方向弯折延伸的第一侧壁2321以及由所述底壁231内周缘向所述磁路系统3方向弯折延伸的第二侧壁2322。所述第一侧壁2321包括两个且间隔设置于所述音圈22的短轴相对两侧，所述第二侧壁2322呈环状且与所述音圈22靠近所述振膜21的一端连接。
所述第一侧壁2321与所述音圈22间隔相对，所述底壁231、所述第一侧壁2321、所述第二侧壁2322以及所述音圈22共同围成所述收容空间10。第一侧壁2321设有第一避让缺口2320，由第一侧壁2321去料形成。
具体的，所述底壁231位于所述球顶214与所述振动部211之间并将所述振动部211与所述球顶214连接成一整体结构，可靠性更好。
所述弹性导电件25包括两个，且分别设置于所述音圈22的两短轴侧221。所述弹性导电件25包括固定于所述盆架1的弹性导电件本体250、分别自所述弹性导电件本体250朝向彼此延伸的第一连接件251和第二连接件252、自所述第一连接件251沿所述骨架23朝向所述收容空间10弯折延伸的第一弯折臂253、自所述第二连接件252沿所述骨架朝向所述收容空间10弯折延伸的第二弯折臂254与以及分别由所述第一弯折臂253和所述第二弯折臂254向彼此背离的方向延伸形成的第一焊盘255与第二焊盘256。所述第一连接件251与所述第二连接件252间隔设置，所述第一弯折臂253与所述第二弯折臂254间隔设置，第一连接件251包括自弹性导电本体250伸出的第一弹性部2510和自第一弹性部2510向靠近第二连接件252弯折延伸的第一连接部2511；第二连接件252包括自弹性导电本体250伸出的第二弹性部2520和自第二弹性部2520向靠近第一连接件251弯折延伸的第二连接部2521。第一弹性部2510与第二弹性部2520间隔设置。第一连接部2511与第二连接部2521朝向彼此延伸且间隔设置，第一连接部2511与第二连接部2521均连接至第一侧壁2321远离振膜21的一端。在本实施例中，可以理解的是，由于音圈22仅一侧出引线，另一弹性导电件25也可以不设置弯折臂和第三连接件。
具体的，所述第一弯折臂253包括由所述第一连接部2511沿所述第一侧壁2321向所述底壁231方向弯折延伸并位于所述收容空间10内的第一弯折部2531以及由所述第一弯折部2531向所述第二侧壁2322方向弯折延伸的第二弯折部2532；第二弯折臂254包括由所述第二连接部2521沿所述第一侧壁2321向所述底壁231方向弯折延伸并位于所述收容空间10内的第三弯折部2541以及由所述第三弯折部2541向所述第二侧壁2322方向弯折延伸的第四弯折部2542，所述第一焊盘255由所述第二弯折部2532向远离所述第四弯折部2542延伸形成、所述第二焊盘256由所述第四弯折部2542向所述远离所述第二弯折部2532延伸形成，所述音圈22的两根引线2211与所述第一焊盘255、所述第二焊盘256电焊连接。所述第一弯折部2531、所述第三弯折部2541均与所述第一侧壁2321间隔平行设置；所述第二弯折部2532、所述第四弯折部2542、所述第一焊盘255、所述第二焊盘256均贴合于所述底壁231靠近所述音圈22的一侧；所述第一焊盘255和所述第二焊盘256分别设于所述骨架23的两侧区域。
所述弹性导电件本体250固定于所述盆架1远离所述振膜21一侧，第一连接件251和第二连接件252间隔设置且固定于所述第一侧壁2321远离所述振膜21一侧。
辅助振膜26贴设于所述弹性导电件25远离所述振膜21一侧。辅助振膜设有第二避让缺口260，所述第二避让缺口260与所述第一避让缺口2320连通。
所述磁路系统3包括磁轭31、主磁钢32、主导磁板33、两个第二副磁钢34、两个第一副磁钢35以及副导磁板36；所述主磁钢32装设于所述磁轭31靠近所述盆架1的一侧，所述主导磁板33装设于所述主磁钢32靠近所述盆架1的一侧，所述第二副磁钢34与所述第一副磁钢35装设于所述磁轭31靠近所述盆架1的一侧并与所述主磁钢32间隔设置，所述副导磁板36装设于所述第二副磁钢34与所述第一副磁钢35靠近所述盆架1的一侧并与所述主导磁板33间隔设置，所述副导磁板36远离所述磁轭31的一侧固定于所述盆架1上。具体的，所述主磁钢32大致为长方体，其具有短轴与长轴，所述两个第二副磁钢34与所述主磁钢32的长轴对应，所述两个第一副磁钢35均与所述主磁钢32的短轴对应，所述第二副磁钢34、所述第一副磁钢35均与所述主磁钢32间隔设置形成磁间隙30，所述音圈24远离所述振膜21的一端插设于所述磁间隙30中，所述两个第一副磁钢34为长方体，所述第一副磁钢35包括磁钢本体351和向远离所述主磁钢32延伸的延伸部350。所述延伸部350自所述第一避让缺口2320伸出且位于所述第一连接件251与所述第二连接件252之间，并收容于所述第二避让缺口260。所述延伸部350的设计增加了第一副磁钢35的体积，从而提升了所述发声器件100的声学性能。
所述副导磁板36在所述第一焊盘255与所述第二焊盘256的对应位置设有避让部360；所述第一焊盘255、所述第二焊盘256以及所述避让部360均设置于靠近所述骨架23的两侧区域，有利于实现直线区域导磁最大化，从而提升所述发声器件的声学性能。
与相关技术相比，本发明的发声器件，所述弹性导电件包括固定于所述盆架的弹性导电件本体、分别自所述弹性导电件本体朝向彼此弯折延伸的第一连接件和第二连接件、自所述第一连接件沿所述骨架朝向所述收容空间内弯折延伸的第一弯折臂、自所述第二连接件沿所述骨架朝向所述收容空间内弯折延伸的第二弯折臂与以及分别由所述第一弯折臂和所述第二弯折臂向外彼此背离延伸形成的第一焊盘与第二焊盘；所述音圈引线分别与第一焊盘与第二焊盘固定且电连接；所述第一焊盘、所述第二焊盘均设置于靠近骨架的两侧，所述第一弯折臂与所述第二弯折臂间隔设置，从而使得第一副磁钢上的延伸部能够经第一弯折臂与第二弯折臂之间的间隔延伸至第一连接件和第二连接件之间，在第一副磁钢上设置延伸部增加了第一副磁钢的体积，从而提升了所述发声器件的声学性能。
本发明提供一种以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明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，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种发声器件，其包括盆架、分别固定于所述盆架的振动系统和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，所述振动系统包括固定于所述盆架的振膜、插设于所述磁间隙以驱动所述振膜振动的音圈、与所述振膜连接的骨架以及固定于所述盆架并与所述骨架远离所述振膜的一侧连接的弹性导电件，所述音圈的一端具有引线，所述骨架与所述音圈共同围成收容空间，其特征在于，
    所述弹性导电件包括固定于所述盆架的弹性导电件本体、分别自所述弹性导电件本体朝向彼此弯折延伸的第一连接件和第二连接件、自所述第一连接件沿所述骨架朝向所述收容空间内弯折延伸的第一弯折臂、自所述第二连接件沿所述骨架朝向所述收容空间内弯折延伸的第二弯折臂以及分别由所述第一弯折臂和所述第二弯折臂向彼此背离的方向延伸形成的第一焊盘与第二焊盘；所述第一焊盘和所述第二焊盘分别设于所述骨架的两侧；所述第一弯折臂与所述第二弯折臂间隔设置，所述引线分别与所述第一焊盘、所述第二焊盘固定且电连接。
  2. 根据权利要求1中所述的发声器件，其特征在于，所述骨架包括固定于所述振膜的底壁以及由所述底壁向所述磁路系统方向弯折延伸的侧壁，所述侧壁远离所述振膜的一端与所述第一连接件和第二连接件固定连接。
  3. 根据权利要求2中所述的发声器件，其特征在于，所述底壁呈环状，所述侧壁包括由所述底壁外周缘向所述磁路系统方向弯折延伸的第一侧壁以及由所述底壁内周缘向所述磁路系统方向弯折延伸的第二侧壁；所述第一侧壁与所述第一连接件和第二连接件连接，所述第二侧壁与所述音圈连接，所述第一侧壁与所述音圈间隔相对，所述底壁、所述第一侧壁、所述第二侧壁以及所述音圈共同围成所述收容空间。
  4. 根据权利要求3中所述的发声器件，其特征在于，所述第一连接件包括自所述弹性导电本体伸出的第一弹性部和自所述第一弹性部向靠近所述第二连接件弯折延伸的第一连接部；所述第二连接件包括自所述弹性导电本体伸出的第二弹性部和自所述第二弹性部向靠近所述第一连接件弯折延伸的第二连接部；所述第一连接件与所述第二连接件间隔设置，所述第一连接部、所述第二连接部均与所述第一侧壁远离所述振膜一端连接。
  5. 根据权利要求4中所述的发声器件，其特征在于，所述第一焊盘、所述第二焊盘均与所述底壁远离所述振膜的一侧固定连接。
  6. 根据权利要求5中所述的发声器件，其特征在于，所述音圈呈跑道形，包括一对短轴侧和一对长轴侧，所述第一侧壁包括两个且间隔设置于所述音圈的短轴侧，所述第二侧壁呈环状，所述第二侧壁与所述音圈靠近所述振膜的一端连接。
  7. 根据权利要求6所述的发声器件，其特征在于，所述第一弯折臂包括靠近所述第一侧壁的第一弯折部和自所述第一弯折部弯折延伸的第二弯折部，所述第二弯折部固定于所述底壁远离所述振膜的一侧；第二弯折臂包括靠近所述第一侧壁的第三弯折部和自所述第三弯折部弯折延伸的第四弯折部，所述第四弯折部固定于所述底壁远离所述振膜的一侧；所述第一焊盘由所述第二弯折部向远离所述第四弯折部延伸形成，所述第二焊盘由所述第四弯折部向远离所述第二弯折部延伸形成。
  8. 根据权利要求7所述的发声器件，其特征在于，所述磁路系统包括磁轭、设置在所述磁轭的主磁钢以及围绕所述主磁钢设置的第一副磁钢和第二副磁钢、以及固定于所述第一副磁钢和所述第二副磁钢的副导磁板，所述第一副磁钢位于所述音圈的短轴侧，所述第一副磁钢包括磁钢本体以及自所述磁钢本体延伸的延伸部；所述第一侧壁设有第一避让口，所述延伸部自所述第一避让口伸出并位于所述第一连接件和所述第二连接件之间。
  9. 根据权利要求8所述的发声器件，其特征在于，所述副导磁板对应所述第一焊盘与所述第二焊盘位置处形成避让部。
  10. 根据权利要求9所述的发声器件，其特征在于，所述振动系统还包括贴设于所述弹性导电件远离所述振膜一侧的辅助振膜；所述辅助振膜开设有第二避让口，所述第一避让口与所述第二避让口连通以容纳所述延伸部。
PCT/CN2020/136976 2020-11-30 2020-12-16 发声器件 WO2022110368A1 (zh)

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