WO2022110367A1 - 发声装置 - Google Patents

发声装置 Download PDF

Info

Publication number
WO2022110367A1
WO2022110367A1 PCT/CN2020/136971 CN2020136971W WO2022110367A1 WO 2022110367 A1 WO2022110367 A1 WO 2022110367A1 CN 2020136971 W CN2020136971 W CN 2020136971W WO 2022110367 A1 WO2022110367 A1 WO 2022110367A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnet
groove
side wall
sound
voice coil
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/CN2020/136971
Other languages
English (en)
French (fr)
Inventor
严绪东
邵涛
顾小江
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 Microtech Changzhou Co Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Microtech Changzhou Co Ltd
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 AAC Acoustic Technologies Shenzhen Co Ltd, AAC Microtech Changzhou Co Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022110367A1 publication Critical patent/WO2022110367A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • H04R7/12—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; 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
    • H04R9/041—Centering
    • H04R9/043—Inner suspension or damper, e.g. spider

Definitions

  • the present invention relates to the technical field of acoustic-electrical conversion, in particular to a sound-generating device.
  • the volume and weight of the existing double-sided sounding device are often large, which cannot meet the user's requirement for a light and thin sounding device.
  • a sound-generating device comprising a bracket with an accommodation space, a vibration system fixed and accommodated in the accommodation space, and a magnetic circuit system, wherein the magnetic circuit system drives the vibration system to vibrate, and the magnetic circuit system drives the vibration system to vibrate.
  • the magnetic circuit system includes a first magnet, a second magnet, and a magnetic bowl for carrying the first magnet and the second magnet, the magnetic bowl includes a bottom wall, and a bottom wall is provided on the bottom wall.
  • first side wall on one side and a second side wall on the other side of the bottom wall, at least one of the bottom wall, the first side wall and the second side wall is fixed to the bracket,
  • the first side wall and the bottom wall form a first groove for accommodating the first magnet
  • the second side wall and the bottom wall form a second groove for accommodating the second magnet
  • the vibration system includes a first vibration part and a second vibration part arranged opposite and spaced apart
  • the magnetic circuit system is arranged on the between the first vibrating part and the second vibrating part.
  • the bracket comprises an annular side wall enclosing the receiving space and a support arm extending inward from the annular side wall, the annular side wall surrounding the magnetic bowl and being spaced from the magnetic bowl,
  • the support arm is sandwiched between the annular side wall and the magnetic bowl and fixed to the magnetic bowl, and the first vibrating portion and the second vibrating portion are respectively covered on the annular side wall. opposite ends.
  • the first side wall includes a connecting end connected to the bottom wall and a free end, the free end is provided with at least one limiting groove, and the support arm is provided with a groove wall connected with the limiting groove The clamped limit portion is used to connect the first side wall and the support arm.
  • a plurality of the limiting grooves are arranged at intervals along the circumferential direction of the first side wall, and the limiting grooves and the limiting portions are provided in a one-to-one correspondence.
  • the orthographic projection of the first magnet on the bottom wall coincides with the orthographic projection of the second magnet on the bottom wall.
  • the size of the first groove is the same as the size of the second groove.
  • the first magnet includes a first surface contacting the bottom of the first groove and a second surface opposite to the first surface
  • the second magnet includes a contact with the second groove A third surface in contact with the groove bottom and a fourth surface disposed opposite to the third surface
  • the magnetic circuit system further includes a first pole core adjacent to the second surface and a first pole core adjacent to the fourth surface Diode core.
  • the first vibration system includes a first diaphragm covered on one end of the annular side wall and a first voice coil connected to the side of the first diaphragm close to the first magnet, the first diaphragm
  • the two vibrating parts include a second vibrating membrane covered on one end of the annular side wall away from the first vibrating part, and a second voice coil connected to the side of the second vibrating membrane close to the second magnet.
  • the first voice coil is suspended in the gap between the first magnet and the groove wall of the first groove
  • the second voice coil is suspended in the second magnet and the groove of the second groove gap between walls.
  • the first diaphragm includes a first sound film fixed with the annular side wall, a first dome attached to the middle of the first sound film, and a first dome connected with the first dome a connecting piece, the first connecting piece is located between the first voice coil and the first magnet and supports and fixes the first voice coil, and the first magnet drives the first voice coil to vibrate to make all the The first connecting piece drives the first dome to vibrate, and the second diaphragm includes a second sound film fixed with the annular side wall, a second dome attached to the middle of the second sound film, and a second connecting piece connected with the second dome, the second connecting piece is located between the second voice coil and the second magnet and supports and fixes the second voice coil, the second magnet The second voice coil is driven to vibrate so that the second connecting piece drives the second dome to vibrate.
  • the vibration system further comprises a first elastic wave and a second elastic wave arranged between the first spherical top and the second spherical top, sandwiched between the first spherical top and the second spherical top A first support member between the elastic waves, and a second support member sandwiched between the second dome and the second elastic wave, the support arms are correspondingly formed to avoid the first elastic wave and the second elastic wave.
  • the avoidance through hole of the second elastic wave, the side of the first elastic wave away from the first support member is fixed to the bracket, and the side of the second elastic wave away from the second support member is fixed to the bracket.
  • the bracket is fixed.
  • the magnetic bowl is an integrally formed structure.
  • the thickness of the sounding device can be reduced, and the requirement of the sounding device for lightness and thinness can be met.
  • Fig. 1 is the structural representation of the sounding device provided by the present invention
  • Fig. 2 is the exploded structure schematic diagram of the sounding device shown in Fig. 1;
  • FIG. 3 is a schematic structural diagram of the magnetic bowl provided by the present invention from a first perspective
  • FIG. 4 is a schematic structural diagram of the magnetic bowl provided by the present invention from a second perspective
  • FIG. 5 is a cross-sectional view of the sounding device shown in FIG. 1 along the A-A direction;
  • FIG. 6 is a schematic structural diagram of a stent provided by the present invention.
  • FIG. 7 is a cross-sectional view of the sounding device shown in FIG. 1 along the D-D direction;
  • FIG. 8 is a schematic structural diagram of a vibration system provided by the present invention from a first perspective
  • FIG. 9 is a schematic structural diagram of a vibration system provided by the present invention from a second perspective
  • FIG. 10 is a schematic structural diagram of a first dome, a second dome, a first support member, a first elastic wave and a second elastic wave of the second support member provided by the present invention.
  • FIG. 1 is a schematic structural diagram of a sounding device provided by the present invention
  • FIG. 2 is a schematic diagram of an explosion structure of the sounding device shown in FIG. 1
  • FIG. 3 is a structure of a magnetic bowl provided by the present invention from a first perspective Schematic diagram
  • FIG. 4 is a schematic structural diagram of the magnetic bowl provided by the present invention from a second perspective.
  • the sound generating device 100 includes a bracket 1, a bracket 1 with an accommodation space, a vibration system 2 fixedly connected and accommodated in the accommodation space, and a magnetic circuit system 3.
  • the magnetic circuit system 3 drives the vibration system 2 to vibrate, and the magnetic circuit system 3 includes a first magnet. 31.
  • the second magnet 32 and the magnetic bowl 33 for carrying the first magnet 31 and the second magnet 32, the magnetic bowl 33 includes a bottom wall 330, a first side wall 331 disposed on one side of the bottom wall 330, and a first side wall 331 disposed on the bottom wall
  • the second side wall 332 on the other side of the 330, at least one of the bottom wall 330, the first side wall 331 and the second side wall 332 is fixedly connected to the bracket 1, and the first side wall 331 and the bottom wall 330 form a structure to accommodate the first magnet
  • the first groove 333 of the 31, the second side wall 332 and the bottom wall 330 form a second groove 334 for accommodating the second magnet 32
  • the vibration system 2 includes a first vibrating part 21 and a second vibrating part 22 arranged opposite and spaced apart
  • the magnetic circuit system 3 is arranged between the first vibrating part 21 and the second vibrating part 22, and the first magnet 31 and the second magnet 32 share a magnetic bowl structure, which can reduce the thickness of the sounding device and meet the
  • the bracket 1 is a fixed structure with an accommodation space
  • the vibration system 2 and the magnetic circuit system 3 are arranged in the accommodation space of the bracket 1, and are fixedly connected to the bracket 1, and the magnetic circuit system 3 can respectively drive the first vibration of the vibration system 2.
  • the part 21 and the second vibrating part 22 vibrate to make the sound-emitting device emit sound.
  • the sound-emitting device can emit sound in different directions.
  • the magnetic bowl 33 includes a bottom wall 330, a first side wall 331 and a second side wall 332, the bottom wall 330 includes an upper surface 3301 and a lower surface 3302 disposed opposite to each other, and the first side wall 331 is disposed on one side of the bottom wall 330 and Adjacent to the upper surface 3301 of the bottom wall 330, the first side wall is an annular structure to form a first groove 333 with the bottom wall 330, the direction of the notch of the first groove 333 faces the first direction B, and the first magnet 31 is fixedly arranged In the first groove 333 , the second side wall 332 is disposed on the other side of the bottom wall 330 and is adjacent to the lower surface 3302 of the bottom wall 330 .
  • the second side wall 332 is an annular structure to form a second groove with the bottom wall 330 .
  • the notch of the second groove 334 faces the second direction C, the first direction B and the second direction C are opposite to each other, and the second magnet 32 is fixedly arranged in the second groove 334 .
  • the first magnet 31 is placed in the first groove 333 and the second magnet 32 is placed in the second groove 334 , the first magnet 31 and the second magnet 32 share a magnetic bowl 33 structure, which can reduce the number and volume of the magnetic bowl 33 structure, thereby reducing the thickness of the sounding device 100 to meet the requirements of the sounding device for lightness and thinning.
  • FIG. 5 is a cross-sectional view of the sounding device shown in FIG. 1 along the direction A-A
  • FIG. 6 is a schematic structural diagram of the bracket provided by the present invention.
  • the bracket 1 includes an annular side wall 11 enclosing a receiving space and a support arm 12 extending inward from the annular side wall 11 .
  • the annular side wall 11 surrounds the magnetic bowl 33 and is spaced from the magnetic bowl 33 , and the support arm 12 is sandwiched on the annular side.
  • the wall 11 and the magnetic bowl 33 are fixed between and fixed with the magnetic bowl 33 .
  • the first vibrating portion 21 and the second vibrating portion 22 are respectively covered on opposite ends of the annular side wall 11 .
  • the first side wall 331 includes a connecting end 3311 connected to the upper surface 3301 of the bottom wall 330 and a free end 3312, the free end 3312 is provided with at least one limiting groove, such as the first limiting groove 3313, and the support arm 12 is provided with a first limiting groove 3313.
  • a limiting portion, such as the first limiting portion 121 , to which the groove wall of the limiting slot 3313 is clamped is fixedly connected to the first side wall 331 and the support arm 12 .
  • the direction of the notch of the first limiting groove 3313 is the same as the notch direction of the first groove 333, the support arm 12 protrudes toward the first side wall 331 to form the first limiting portion 121, and the size of the first limiting groove 3313 is the same as that of the first limiting groove 3313.
  • the size of the first limiting portion 121 is adapted so that the first limiting portion 121 can be engaged with the first limiting groove 3313 , so that the magnetic bowl 33 and the bracket 1 are fixedly connected.
  • the free end 3312 of the first side wall 331 is provided with a plurality of limiting grooves, such as the first limiting groove 3313, the second limiting groove
  • the slot 3314, the third limiting slot 3315 and the fourth limiting slot 3316, the first limiting slot 3313, the second limiting slot 3314, the third limiting slot 3315 and the fourth limiting slot 3316 are along the first side wall 331 are arranged at intervals in the circumferential direction, and the first limiting groove 3313 and the third limiting groove 3315 are arranged oppositely, and the second limiting groove 3314 and the fourth limiting groove 3316 are arranged oppositely.
  • the support arm 12 is provided with a first limiting portion 121 that is engaged with the groove wall of the first limiting groove 3313 , a second limiting portion 122 that is engaged with the groove wall of the second limiting groove 3314 , and The third limiting portion 123 of the groove wall of the third limiting groove 3315 is clamped and the fourth limiting portion 124 is clamped to the groove wall of the fourth limiting groove 3316 .
  • the first limiting groove 3313 , the second limiting groove 3314 , the third limiting groove 3315 , the fourth limiting groove 3316 and the first groove 333 have the same notch direction, and the support arm 12 protrudes toward the first side wall 331
  • the first limiting portion 121 , the second limiting portion 122 , the third limiting portion 123 and the fourth limiting portion 124 are formed.
  • the size of the first limiting groove 3313 is adapted to the size of the first limiting portion 121 .
  • the size of the second limiting slot 3314 matches the size of the second limiting portion 122
  • the size of the third limiting slot 3315 matches the size of the third limiting portion 123
  • the size of the fourth limiting slot 3316 matches the size of the fourth limiting slot 3316 .
  • the size of the limiting portion 124 is adapted to connect the magnetic bowl 33 and the bracket 1 . The stability of the connection between the magnetic bowl 33 and the bracket 1 can be improved.
  • the separately formed bottom wall 330 , the first side wall 331 and the second side wall 332 can be assembled to form the above-mentioned magnetic bowl 33 structure, and the first side wall 331 and the bottom wall 330 can also be integrally formed,
  • the second side wall 332 and the integrally formed first side wall 331 and the bottom wall 330 are assembled to form the above-mentioned magnetic bowl 33 structure, and the second side wall 332 and the bottom wall 330 can also be integrally formed, and the first side wall 331 and the bottom wall 330 can be integrally formed.
  • the integrally formed second side wall 332 and the bottom wall 330 are assembled to form the above-mentioned magnetic bowl 33 structure.
  • the bottom wall 330 , the first side wall 331 and the second side wall 332 It is integrally formed to form the above-mentioned magnetic bowl 33 structure.
  • the size of the first groove 333 can be the same as the size of the second groove 334.
  • the first groove The groove depth and groove width of 333 are the same as the groove depth and groove width of the second groove 334, so that the magnetic bowl forms an "H"-shaped structure.
  • the first magnet 31 close to the second magnet 32 is the first magnetic pole
  • the first magnet 31 away from the second magnet 32 is the second magnetic pole
  • the second magnet 32 is close to the first magnetic pole.
  • the magnetic pole of the magnet 31 is the third magnetic pole
  • the magnetic pole of the second magnet 32 away from the first magnet 31 is the fourth magnetic pole
  • the polarity of the first magnetic pole is the same as that of the third magnetic pole
  • the polarity of the first magnetic pole and the second magnetic pole are the same.
  • the polarities are opposite, the polarities of the third magnetic pole and the fourth magnetic pole are opposite, so as to form a magnetic circuit system in which the magnetization direction of the first magnet and the magnetization direction of the second magnet are opposite, for example, the first magnetic pole can be "N" pole, the second magnetic pole can be the “S” pole, the third magnetic pole can be the "N” pole, the fourth magnetic pole can be the "S” pole, for example, the first magnetic pole can be the "S” pole, the second magnetic pole can be It is an "N” pole, the third magnetic pole can be an "S” pole, and the fourth magnetic pole can be an "N” pole.
  • the first magnet 31 and the second magnet 32 are arranged in alignment, that is, the orthographic projection of the first magnet 31 on the bottom wall 330 and the projection of the second magnet 32 on the bottom wall 330 The orthographic projections are coincident.
  • the alignment of the first magnet 31 and the second magnet 32 can make the magnetic circuit system 3 form a top-to-ceiling magnetic circuit structure , to improve the magnetic permeability of the magnetic circuit system 3 , in order to balance the structure of the magnetic circuit system 3 , the first magnet 31 and the second magnet 32 have the same size.
  • first magnet 31 and the second magnet 32 can be cylindrical structures, which can improve the space utilization of the first groove 333 and the second groove 334 .
  • the magnetization amounts of the first magnet 31 and the second magnet 32 are the same.
  • the magnetic circuit system 3 further includes a first pole core 34 and a second pole core 35
  • the first magnet 31 includes a first surface 311 in contact with the groove bottom of the first groove 333
  • the second surface 312 opposite to the first surface 311, the first pole core 34 is adjacent to the second surface 312
  • the second magnet 32 includes a third surface 313 in contact with the bottom of the second groove 334 and a third surface 313 in contact with the second groove 334.
  • the surface 313 is opposite to the fourth surface 314, the second pole core 35 is adjacent to the fourth surface 314, the first pole core 34 can guide the direction of the magnetic field generated by the first magnet 31 to the first voice coil 21, and the second pole core 35 can The direction of the magnetic field produced by the second magnet 32 is directed towards the second voice coil 22 .
  • the vibration system 2 includes a first vibration part 21 and a second vibration part 22.
  • FIG. 7 is a cross-sectional view of the sounding device shown in FIG. It is a schematic structural diagram of the vibration system provided by the present invention from a first perspective
  • FIG. 9 is a schematic structural diagram of the vibration system provided by the present invention from a second perspective
  • the first vibrating portion 21 includes a first vibrating membrane 211 covering one end of the annular side wall 11 and a first voice coil 212 connected to the side of the first vibrating membrane 211 close to the first magnet 31
  • the second vibrating portion 22 includes The second diaphragm 221 is covered on the end of the annular side wall 11 away from the first vibrating part 21 and the second voice coil 222 is connected to the side of the second diaphragm 221 close to the second magnet 32.
  • the first voice coil 212 is suspended on the The gap between the first magnet 31 and the groove wall of the first groove 332
  • the second voice coil 222 is suspended in the gap between the second magnet 32 and the groove wall of the second groove 334 .
  • the first diaphragm 211 includes a first sound film 2111 fixed with the annular side wall 11 , a first dome 2112 attached to the middle of the first sound film 2111 , and a first connection connected with the first dome 2112
  • the first connecting member 2113 is located between the first voice coil 212 and the first magnet 31 and supports and fixes the first voice coil 212.
  • the first magnet 31 drives the first voice coil 212 to vibrate so that the first connecting member 2113 drives the first voice coil 2113 to vibrate.
  • a dome 2112 vibrates
  • the second diaphragm 221 includes a second sound film 2211 fixed with the annular side wall 11 , a second dome 2212 attached to the middle of the second sound film 2211 , and a second dome 2212 connected to the second dome 2212
  • Two connecting pieces 2213, the second connecting piece 2213 is located between the second voice coil 222 and the second magnet 32 and supports and fixes the second voice coil 222, and the second magnet 32 drives the second voice coil 222 to vibrate to make the second connecting piece 2213 Drive the second dome 2211 to vibrate.
  • the first voice coil 212 is a hollow annular structure, the first voice coil 212 is sleeved on the outside of the first magnet 31 and the first pole core 34, and a part of the first magnet 31 and the first pole core 34 are located in the first voice coil 31 and the first pole core 34. In the hollow area of the coil 212 , the center point of the first voice coil 212 may coincide with the center point of the first pole core 34 .
  • the second voice coil 222 is a hollow annular structure, the second voice coil 222 is sleeved on the outside of the second magnet 32 and the second pole core 35 , and a part of the second magnet 32 and the second pole core 35 are located on the second voice coil 222 In the hollow area of , the center point of the second voice coil 222 may coincide with the center point of the second pole core 35 .
  • the magnetic circuit system 3 can drive the first voice coil 212 and the second voice coil 222 to vibrate at the same time, so that the first voice coil 212 drives the first diaphragm 211 disposed adjacent to the first voice coil 212 and the second voice coil 222 drives The second voice coil 222 vibrates, so that the second voice coil 212 drives the second diaphragm 221 disposed adjacent to the second voice coil 212, so that the sound-generating device 100 can emit sound in at least two different directions, so as to realize the double-sided sound-emitting device. Effect.
  • the vibration system 2 also includes a first elastic wave 23 and a second elastic wave 24 disposed between the first spherical top 2112 and the second spherical top 2212 , and a first elastic wave 24 sandwiched between the first spherical top 2112 and the first elastic wave 23 .
  • the side of the first elastic wave 23 away from the first support member 25 is fixed to the bracket 1
  • the side of the second elastic wave 24 away from the second support member 26 is fixed to the bracket 1 .
  • the vibration effect of the first spherical top 2112 and the second spherical top 2212 can be enhanced by the first elastic wave 23 and the second elastic wave 24 sandwiched between the first spherical top 2112 and the second spherical top 2212 .

Landscapes

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

Abstract

一种发声装置(100)，包括具有收容空间的支架(1)、固接并收容于收容空间内的振动系统(2)以及磁路系统(3)，磁路系统(3)驱动振动系统(2)振动，磁路系统(3)包括第一磁体(31)、第二磁体(32)以及用于承载第一磁体(31)和第二磁体(32)的磁碗(33)，磁碗(33)包括底壁(330)、设置于底壁(330)一侧的第一侧壁(331)以及设置于底壁(330)另一侧的第二侧壁(332)，底壁(330)、第一侧壁(331)及第二侧壁(332)中的至少一个与支架(1)固定，第一侧壁(331)和底壁(330)形成容纳第一磁体(31)的第一凹槽(333)，第二侧壁(332)和底壁(330)形成容纳第二磁体(32)的第二凹槽(334)，第一凹槽(333)的槽口的朝向和第二凹槽(334)的槽口的朝向相反，振动系统(2)包括相对且间隔设置的第一振动部(21)与第二振动部(22)，磁路系统(3)设置于第一振动部(21)与第二振动部(22)之间，满足发声装置(100)对于轻薄化的需求。

Description

发声装置
本发明要求于2020年11月30日提交中国专利局、申请号为202011380517.X、发明名称为“发声装置”的中国专利申请的优先权，其全部内容通过引用结合在本发明中。
技术领域
本发明涉及声电转换技术领域，特别涉及一种发声装置。
 背景技术
随着声电转换领域的发展和用户需求的提高，为了实现对于发声装置双面发声的追求，相关技术中，通过在一个发声装置内设置两组发声系统，使得发声装置可以满足发声装置双面发声的需求，但是现有的双面发声装置体积以及重量往往较大，无法满足用户对于发声装置轻薄化的需求。
因此，有必要提供一种发声装置以解决上述技术问题。
 技术问题
现有的双面发声装置体积以及重量往往较大，无法满足用户对于发声装置轻薄化的需求。
 技术解决方案
本发明的技术方案如下：一种发声装置，包括具有收容空间的支架、固接并收容于所述收容空间内的振动系统以及磁路系统，所述磁路系统驱动所述振动系统振动，其特征在于，所述磁路系统包括第一磁体、第二磁体以及用于承载所述第一磁体和所述第二磁体的磁碗，所述磁碗包括底壁、设置于所述底壁一侧的第一侧壁以及设置于所述底壁另一侧的第二侧壁，所述底壁、所述第一侧壁及所述第二侧壁中的至少一个与所述支架固定，所述第一侧壁和所述底壁形成容纳所述第一磁体的第一凹槽，所述第二侧壁和所述底壁形成容纳所述第二磁体的第二凹槽，所述第一凹槽的槽口的朝向和所述第二凹槽的槽口的朝向相反，所述振动系统包括相对且间隔设置的第一振动部与第二振动部，所述磁路系统设置于所述第一振动部与所述第二振动部之间。
优选的，所述支架包括围成所述收容空间的环形侧壁以及自所述环形侧壁向内延伸的支撑臂，所述环形侧壁环绕所述磁碗并与所述磁碗间隔设置，所述支撑臂夹设于所述环形侧壁与所述磁碗之间并与所述磁碗固定，所述第一振动部与所述第二振动部分别盖设于所述环形侧壁的相对两端。
优选的，所述第一侧壁包括与所述底壁连接的连接端以及自由端，所述自由端设置有至少一个限位槽，所述支撑臂设置有与所述限位槽的槽壁卡接的限位部，以将所述第一侧壁和所述支撑臂连接。
优选的，多个所述限位槽沿所述第一侧壁的周向间隔设置，所述限位槽与所述限位部一一对应设置。优选的，所述第一磁体在所述底壁上的正投影和所述第二磁体在所述底壁上的正投影重合。
优选的，所述第一凹槽的尺寸与所述第二凹槽的尺寸相同。
优选的，所述第一磁体包括与所述第一凹槽槽底接触的第一表面以及与所述第一表面相对设置的第二表面，所述第二磁体包括与所述第二凹槽槽底接触的第三表面以及与所述第三表面相对设置的第四表面，所述磁路系统还包括与所述第二表面邻接的第一极芯以及与所述第四表面邻接的第二极芯。
优选的，所述第一振动系统包括盖设于所述环形侧壁一端的第一振膜以及连接于所述第一振膜靠近所述第一磁体一侧的第一音圈，所述第二振动部包括盖设于所述环形侧壁远离所述第一振动部一端的第二振膜以及连接于所述第二振膜靠近所述第二磁体一侧的第二音圈，所述第一音圈悬置于所述第一磁体与所述第一凹槽的槽壁之间的间隙，所述第二音圈悬置于所述第二磁体与所述第二凹槽的槽壁之间的间隙。
优选的，所述第一振膜包括与所述环形侧壁固定的第一音膜、贴设于所述第一音膜中部的第一球顶以及与所述第一球顶连接的第一连接件，所述第一连接件位于所述第一音圈和所述第一磁体之间并支撑固定所述第一音圈，所述第一磁体驱动所述第一音圈振动以使所述第一连接件带动所述第一球顶振动，所述第二振膜包括与所述环形侧壁固定的第二音膜、贴设于所述第二音膜中部的第二球顶以及与所述第二球顶连接的第二连接件，所述第二连接件位于所述第二音圈和所述第二磁体之间并支撑固定所述第二音圈，所述第二磁体驱动所述第二音圈振动以使所述第二连接件带动所述第二球顶振动。
优选的，所述振动系统还包括设置于所述第一球顶和所述第二球顶之间的第一弹波与第二弹波，夹设于所述第一球顶与所述第一弹波之间的第一支撑件、以及夹设于所述第二球顶与所述第二弹波之间的第二支撑件，所述支撑臂对应形成避让所述第一弹波与所述第二弹波的避让通孔，所述第一弹波远离所述第一支撑件的一侧与所述支架固定，所述第二弹波远离所述第二支撑件的一侧与所述支架固定。优选的，所述磁碗为一体成型结构。
 有益效果
通过第一磁体和第二磁体共用一个磁碗的结构，可以减少发声装置的厚度，满足发声装置对于轻薄化的需求。
 附图说明
图1为本发明提供的发声装置的结构示意图；
图2为图1所示发声装置的爆炸结构示意图；
图3为本发明提供的磁碗的第一视角的结构示意图；
图4为本发明提供的磁碗的第二视角的结构示意图；
图5为图1所示发声装置沿A-A方向的剖视图；
图6为本发明提供的支架的结构示意图；
图7为图1所示发声装置沿D-D方向的剖视图；
图8为本发明提供的振动系统的第一视角的结构示意图；
图9为本发明提供的振动系统的第二视角的结构示意图；
图10为本发明提供的第一球顶、第二球顶、第一支撑件、第二支撑件第一弹波以及第二弹波的结构示意图。
 本发明的实施方式
下面将结合本发明中的附图，对本发明中的技术方案进行清楚、完整地描述。显然，所描述的实施例仅仅是本发明一部分的实施例，而不是全部的实施例。基于本发明中的实施例，本领域技术人员在没有作出创造性劳动的前提下所获得的所有其他实施例，都属于本发明保护的范围。
请参阅图1至图4，图1为本发明提供的发声装置的结构示意图；图2为图1所示发声装置的爆炸结构示意图；图3为本发明提供的磁碗的第一视角的结构示意图；图4为本发明提供的磁碗的第二视角的结构示意图。
发声装置100包括支架1、具有收容空间的支架1、固接并收容于收容空间内的振动系统2以及磁路系统3，磁路系统3驱动振动系统2振动，磁路系统3包括第一磁体31、第二磁体32以及用于承载第一磁体31和第二磁体32的磁碗33，磁碗33包括底壁330，设置于底壁330一侧的第一侧壁331以及设置于底壁330另一侧的第二侧壁332，底壁330、第一侧壁331以及第二侧壁332中的至少一个和支架1固定连接，第一侧壁331和底壁330形成容纳第一磁体31的第一凹槽333，第二侧壁332和底壁330形成容纳第二磁体32的第二凹槽334，振动系统2包括相对且间隔设置的第一振动部21与第二振动部22，磁路系统3设置于第一振动部21与所述第二振动部22之间通过第一磁体31和第二磁体32共用一个磁碗的结构，可以减少发声装置的厚度，满足发声装置对于轻薄化的需求。
其中，支架1为具有收容空间的固定结构，振动系统2和磁路系统3设置于支架1的收容空间内，且和支架1固定连接，磁路系统3可分别驱动振动系统2的第一振动部21和第二振动部22振动以使发声装置发声，示例性的，发声装置可朝不同方向发声。
其中，磁碗33包括底壁330第一侧壁331和第二侧壁332，底壁330包括相对设置的上表面3301和下表面3302，第一侧壁331设置于底壁330的一侧且和底壁330的上表面3301邻接，第一侧壁为环形结构以与底壁330形成第一凹槽333，第一凹槽333槽口的方向朝向第一方向B，第一磁体31固定设置于第一凹槽333内，第二侧壁332设置于底壁330的另一侧且和底壁330的下表面3302邻接，第二侧壁332为环形结构以与底壁330形成第二凹槽334，第二凹槽334槽口朝向第二方向C，第一方向B和第二方向C互为反方向，第二磁体32固定设置于第二凹槽334内。
通过在磁碗33设置共用槽底且槽口方向相反的第一凹槽333和第二凹槽334，第一磁体31放置于第一凹槽333，第二磁体32放置于第二凹槽334，第一磁体31和第二磁体32共用一磁碗33结构，可以减少磁碗33结构的数量以及体积，进而可以减少发声装置100的厚度，满足发声装置对于轻薄化的需求。
请结合图2至图6，图5为图1所示发声装置沿A-A方向的剖视图，图6为本发明提供的支架的结构示意图。
支架1包括围成收容空间的环形侧壁11以及自环形侧壁11向内延伸的支撑臂12，环形侧壁11环绕磁碗33并与磁碗33间隔设置，支撑臂12夹设于环形侧壁11与磁碗33之间并与磁碗33固定，第一振动部21与第二振动部22分别盖设于环形侧壁11的相对两端。
第一侧壁331包括与底壁330的上表面3301连接的连接端3311以及自由端3312，自由端3312设置有至少一个限位槽，诸如第一限位槽3313，支撑臂12设置有与第一限位槽3313的槽壁卡接的限位部，诸如第一限位部121，以将第一侧壁331和支撑臂12固定连接。其中，第一限位槽3313槽口的方向和第一凹槽333槽口方向相同，支撑臂12朝向第一侧壁331突出形成第一限位部121，第一限位槽3313的尺寸与第一限位部121的尺寸适配，以使第一限位部121可与第一限位槽3313卡接，进而使磁碗33和支架1固定连接。
为了提高磁碗33和支架1之间连接的稳定性，在一些实施例中，第一侧壁331的自由端3312设置有多个限位槽，诸如第一限位槽3313、第二限位槽3314、第三限位槽3315以及第四限位槽3316，第一限位槽3313、第二限位槽3314、第三限位槽3315以及第四限位槽3316沿着第一侧壁331的周向间隔设置，且第一限位槽3313和第三限位槽3315相对设置，第二限位槽3314和第四限位槽3316相对设置。相应的，支撑臂12上设置有与第一限位槽3313的槽壁卡接的第一限位部121、与第二限位槽3314的槽壁卡接的第二限位部122、与第三限位槽3315的槽壁卡接的第三限位部123以及与第四限位槽3316的槽壁卡接的第四限位部124。其中，第一限位槽3313、第二限位槽3314、第三限位槽3315以及第四限位槽3316和第一凹槽333槽口方向相同，支撑臂12朝向第一侧壁331突出形成第一限位部121、第二限位部122、第三限位部123以及第四限位部124，第一限位槽3313的尺寸与第一限位部121的尺寸适配，第二限位槽3314的尺寸与第二限位部122的尺寸适配，第三限位槽3315的尺寸与第三限位部123的尺寸适配，第四限位槽3316的尺寸与第四限位部124的尺寸适配，以使磁碗33和支架1之间连接。可以提高磁碗33和支架1之间连接的稳定性。
在一些实施例中，可将分开成型的底壁330、第一侧壁331以及第二侧壁332装配以形成上述磁碗33结构，还可以将第一侧壁331和底壁330一体成型，将第二侧壁332和一体成型后的第一侧壁331和底壁330装配形成上述磁碗33结构，还可以将第二侧壁332和底壁330一体成型，将第一侧壁331和一体成型后的第二侧壁332和底壁330装配以形成上述磁碗33结构，为了提高磁碗33结构的稳定性，还可以将底壁330、第一侧壁331以及第二侧壁332一体成型以形成上述磁碗33结构。
请继续参阅图2和图5，为了提高支架1的空间利用率，减少磁碗的体积，第一凹槽333的尺寸可以与第二凹槽334的尺寸相同，示例性的，第一凹槽333的槽深以及槽宽与第二凹槽334的槽深和槽宽相同，以使磁碗形成“H”型结构。
为了提高磁路系统3的导磁效率，第一磁体31靠近第二磁体32的磁极为第一磁极，第一磁体31远离第二磁体32的磁极为第二磁极，第二磁体32靠近第一磁体31的磁极为第三磁极，第二磁体32远离第一磁体31的磁极为第四磁极，第一磁极的极性和第三磁极的极性相同，第一磁极的极性和第二磁极极性相反，第三磁极和第四磁极的极性相反，以形成第一磁体的充磁方向和第二磁体充磁方向相反的磁路系统，示例性的，第一磁极可以为“N”极，第二磁极可以为“S”极，第三磁极可以为“N”极，第四磁极可以为“S”极，示例性的，第一磁极可以为“S”极，第二磁极可以为“N”极，第三磁极可以为“S”极，第四磁极可以为“N”极。
另外，为了进一步提高磁路系统3的导磁效率，第一磁体31和第二磁体32对齐设置，即第一磁体31在底壁330上的正投影和第二磁体32在底壁330上的正投影重合，在第一磁体31的充磁方向和第二磁体32充磁方向相反的情况下，第一磁体31和第二磁体32对齐设置可以使磁路系统3形成对顶式磁路结构，提高磁路系统3的导磁效率，为了使磁路系统3结构平衡，第一磁体31和第二磁体32的尺寸相同。另外，第一磁体31和第二磁体32可以为圆柱形结构，可以提高第一凹槽333和第二凹槽334的空间利用率。在一些实施例中，为了使磁路系统导磁的平衡，第一磁体31和第二磁体32的充磁量相同。
为了进一步提高磁路系统3的导磁效率，磁路系统3还包括第一极芯34和第二极芯35，第一磁体31包括与第一凹槽333槽底接触的第一表面311以及与所述第一表面311相对设置的第二表面312，第一极芯34与第二表面312邻接，第二磁体32包括与第二凹槽334槽底接触的第三表面313以及与第三表面313相对设置的第四表面314，第二极芯35与第四表面邻接314，第一极芯34可以将第一磁体31产生的磁场方向导向第一音圈21，第二极芯35可以将第二磁体32生产的磁场方向导向第二音圈22。
本发明实施例中，振动系统2包括第一振动部21和第二振动部22，请结合图2、图6至图10，图7为图1所示发声装置沿D-D方向的剖视图，图8为本发明提供的振动系统的第一视角的结构示意图，图9为本发明提供的振动系统的第二视角的结构示意图，图10为本发明提供的第一球顶、第二球顶以及弹波的结构示意图。
第一振动部21包括盖设于环形侧壁11一端的第一振膜211以及连接于第一振膜211靠近第一磁体31一侧的第一音圈212，所述第二振动部22包括盖设于环形侧壁11远离第一振动部21一端的第二振膜221以及连接于第二振膜221靠近第二磁体32一侧的第二音圈222，第一音圈212悬置于第一磁体31与第一凹槽332的槽壁之间的间隙，第二音圈222悬置于第二磁体32与第二凹槽334的槽壁之间的间隙。
其中，第一振膜211包括与环形侧壁11固定的第一音膜2111、贴设于所述第一音膜2111中部的第一球顶2112以及与第一球顶2112连接的第一连接件2113，第一连接件2113位于第一音圈212和第一磁体31之间并支撑固定第一音圈212，第一磁体31驱动第一音圈212振动以使第一连接件2113带动第一球顶2112振动，第二振膜221包括与环形侧壁11固定的第二音膜2211、贴设于第二音膜2211中部的第二球顶2212以及与第二球顶2212连接的第二连接件2213，第二连接件2213位于第二音圈222和第二磁体32之间并支撑固定第二音圈222，第二磁体32驱动第二音圈222振动以使第二连接件2213带动第二球顶2211振动。
其中，第一音圈212为中空环状结构，第一音圈212套设在第一磁体31和第一极芯34的外侧，第一磁体31的一部分和第一极芯34位于第一音圈212的中空区域内，第一音圈212的中心点可以与第一极芯34的中心点重合。
第二音圈222为中空环状结构，第二音圈222套设在第二磁体32和第二极芯35的外侧，第二磁体32的一部分和第二极芯35位于第二音圈222的中空区域内，第二音圈222的中心点可以与第二极芯35的中心点重合。
磁路系统3可驱动第一音圈212和第二音圈222同时振动，以使第一音圈212驱动与第一音圈212相邻设置的第一振膜211，第二音圈222驱动第二音圈222振动，以使第二音圈212驱动与第二音圈212相邻设置的第二振膜221，使发声装置100可以朝至少两个不同的方向发声，实现双面发声的效果。
振动系统2还包括设置于第一球顶2112和第二球顶2212之间的第一弹波23与第二弹波24，夹设于第一球顶2112与第一弹波23之间的第一支撑件25、以及夹设于第二球顶2212与第二弹波24之间的第二支撑件26，支撑臂12对应形成避让第一弹波23与第二弹波24的避让通孔125，第一弹波23远离第一支撑件25的一侧与支架1固定，第二弹波24远离第二支撑件26的一侧与支架1固定。
通过夹设于第一球顶2112和第二球顶2212之间的第一弹波23以及第二弹波24，可以增强第一球顶2112以及第二球顶2212的振动效果。
以上的仅是本发明的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本发明创造构思的前提下，还可以做出改进，但这些均属于本发明的保护范围。

Claims (11)

  1. 一种发声装置，包括具有收容空间的支架、固接并收容于所述收容空间内的振动系统以及磁路系统，所述磁路系统驱动所述振动系统振动，其特征在于，所述磁路系统包括第一磁体、第二磁体以及用于承载所述第一磁体和所述第二磁体的磁碗，所述磁碗包括底壁、设置于所述底壁一侧的第一侧壁以及设置于所述底壁另一侧的第二侧壁，所述底壁、所述第一侧壁及所述第二侧壁中的至少一个与所述支架固定，所述第一侧壁和所述底壁形成容纳所述第一磁体的第一凹槽，所述第二侧壁和所述底壁形成容纳所述第二磁体的第二凹槽，所述第一凹槽的槽口的朝向和所述第二凹槽的槽口的朝向相反，所述振动系统包括相对且间隔设置的第一振动部与第二振动部，所述磁路系统设置于所述第一振动部与所述第二振动部之间。
  2. 根据权利要求1所述的发声装置，其特征在于，所述支架包括围成所述收容空间的环形侧壁以及自所述环形侧壁向内延伸的支撑臂，所述环形侧壁环绕所述磁碗并与所述磁碗间隔设置，所述支撑臂夹设于所述环形侧壁与所述磁碗之间并与所述磁碗固定，所述第一振动部与所述第二振动部分别盖设于所述环形侧壁的相对两端。
  3. 根据权利要求2所述的发声装置，其特征在于，所述第一侧壁包括与所述底壁连接的连接端以及自由端，所述自由端设置有至少一个限位槽，所述支撑臂设置有与所述限位槽的槽壁卡接的限位部，以将所述第一侧壁和所述支撑臂连接。
  4. 根据权利要求3所述的发声装置，其特征在于，多个所述限位槽沿所述第一侧壁的周向间隔设置，所述限位槽与所述限位部一一对应设置。
  5. 根据权利要求1所述的发声装置，其特征在于，所述第一磁体在所述底壁上的正投影和所述第二磁体在所述底壁上的正投影重合。
  6. 根据权利要求1所述的发声装置，其特征在于，所述第一凹槽的尺寸与所述第二凹槽的尺寸相同。
  7. 根据权利要求1所述的发声装置，其特征在于，所述第一磁体包括与所述第一凹槽槽底接触的第一表面以及与所述第一表面相对设置的第二表面，所述第二磁体包括与所述第二凹槽槽底接触的第三表面以及与所述第三表面相对设置的第四表面，所述磁路系统还包括与所述第二表面邻接的第一极芯以及与所述第四表面邻接的第二极芯。
  8. 根据权利要求2所述的发声装置，其特征在于，所述第一振动部包括盖设于所述环形侧壁一端的第一振膜以及连接于所述第一振膜靠近所述第一磁体一侧的第一音圈，所述第二振动部包括盖设于所述环形侧壁远离所述第一振动部一端的第二振膜以及连接于所述第二振膜靠近所述第二磁体一侧的第二音圈，所述第一音圈悬置于所述第一磁体与所述第一凹槽的槽壁之间的间隙，所述第二音圈悬置于所述第二磁体与所述第二凹槽的槽壁之间的间隙。
  9. 根据权利要求8所述的发声装置，其特征在于，所述第一振膜包括与所述环形侧壁固定的第一音膜、贴设于所述第一音膜中部的第一球顶以及与所述第一球顶连接的第一连接件，所述第一连接件位于所述第一音圈和所述第一磁体之间并支撑固定所述第一音圈，所述第一磁体驱动所述第一音圈振动以使所述第一连接件带动所述第一球顶振动，所述第二振膜包括与所述环形侧壁固定的第二音膜、贴设于所述第二音膜中部的第二球顶以及与所述第二球顶连接的第二连接件，所述第二连接件位于所述第二音圈和所述第二磁体之间并支撑固定所述第二音圈，所述第二磁体驱动所述第二音圈振动以使所述第二连接件带动所述第二球顶振动。
  10. 根据权利要求9所述的发声装置，其特征在于，所述振动系统还包括设置于所述第一球顶和所述第二球顶之间的第一弹波与第二弹波，夹设于所述第一球顶与所述第一弹波之间的第一支撑件、以及夹设于所述第二球顶与所述第二弹波之间的第二支撑件，所述支撑臂对应形成避让所述第一弹波与所述第二弹波的避让通孔，所述第一弹波远离所述第一支撑件的一侧与所述支架固定，所述第二弹波远离所述第二支撑件的一侧与所述支架固定。
  11. 根据权利要求1-10任一项所述的发声装置，其特征在于，所述磁碗为一体成型结构。
PCT/CN2020/136971 2020-11-30 2020-12-16 发声装置 Ceased WO2022110367A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011380517.XA CN112383853A (zh) 2020-11-30 2020-11-30 发声装置
CN202011380517.X 2020-11-30

Publications (1)

Publication Number Publication Date
WO2022110367A1 true WO2022110367A1 (zh) 2022-06-02

Family

ID=74590196

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/136971 Ceased WO2022110367A1 (zh) 2020-11-30 2020-12-16 发声装置

Country Status (3)

Country Link
US (1) US11516590B2 (zh)
CN (1) CN112383853A (zh)
WO (1) WO2022110367A1 (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7629264B2 (ja) * 2021-03-26 2025-02-13 パナソニックオートモーティブシステムズ株式会社 スピーカー装置
CN113068105B (zh) * 2021-05-07 2023-03-24 台湾立讯精密有限公司 双面扬声装置
CN114501259B (zh) 2021-06-29 2023-05-23 北京荣耀终端有限公司 一种内核、扬声器模组和电子设备
CN115696148A (zh) * 2021-07-30 2023-02-03 华为技术有限公司 扬声器及电子设备
PL441806A1 (pl) * 2022-07-21 2024-01-22 Filipek-Motors Spółka Z Ograniczoną Odpowiedzialnością Dwustronny przetwornik dźwięku
CN218772414U (zh) * 2022-11-30 2023-03-28 瑞声光电科技(常州)有限公司 一种双面发声装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150016658A1 (en) * 2013-07-15 2015-01-15 Fortune Grand Technology Inc. Thin speaker structure
CN108632728A (zh) * 2018-06-25 2018-10-09 歌尔股份有限公司 发声器件及便携终端
CN110430510A (zh) * 2019-08-29 2019-11-08 无锡杰夫电声股份有限公司 一种双面辐射声激励器
CN110446145A (zh) * 2019-06-26 2019-11-12 瑞声科技(新加坡)有限公司 发声器件
CN211531285U (zh) * 2019-12-17 2020-09-18 瑞声科技(新加坡)有限公司 发声器件
CN211959524U (zh) * 2019-12-30 2020-11-17 瑞声科技(新加坡)有限公司 发声器件

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5558764A (en) * 1978-10-26 1980-05-01 Sharp Corp Electricity-driving force converter
JP3137217B2 (ja) * 1993-02-03 2001-02-19 フオスター電機株式会社 スピーカ
CN201928434U (zh) * 2011-02-28 2011-08-10 李景海 双面多音圈超薄驱动器
CN209283487U (zh) * 2019-01-15 2019-08-20 歌尔科技有限公司 双面发声器件和电子产品
CN209982716U (zh) * 2019-08-29 2020-01-21 无锡杰夫电声股份有限公司 一种双面辐射声激励器
CN110891230B (zh) * 2019-11-21 2021-12-24 瑞声科技(新加坡)有限公司 发声器件

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150016658A1 (en) * 2013-07-15 2015-01-15 Fortune Grand Technology Inc. Thin speaker structure
CN108632728A (zh) * 2018-06-25 2018-10-09 歌尔股份有限公司 发声器件及便携终端
CN110446145A (zh) * 2019-06-26 2019-11-12 瑞声科技(新加坡)有限公司 发声器件
CN110430510A (zh) * 2019-08-29 2019-11-08 无锡杰夫电声股份有限公司 一种双面辐射声激励器
CN211531285U (zh) * 2019-12-17 2020-09-18 瑞声科技(新加坡)有限公司 发声器件
CN211959524U (zh) * 2019-12-30 2020-11-17 瑞声科技(新加坡)有限公司 发声器件

Also Published As

Publication number Publication date
US11516590B2 (en) 2022-11-29
US20220174413A1 (en) 2022-06-02
CN112383853A (zh) 2021-02-19

Similar Documents

Publication Publication Date Title
WO2022110367A1 (zh) 发声装置
CN115396792A (zh) 振动发声器件
WO2021000082A1 (zh) 发声器件
CN111343549A (zh) 扬声器箱
WO2020181893A1 (zh) 发声装置和电子产品
WO2020140545A1 (zh) 发声器件
WO2022121740A1 (zh) 一种扬声器及电子设备
WO2021258439A1 (zh) 发声器件
WO2021232454A1 (zh) 一种发声器件
WO2021174576A1 (zh) 发声器件
WO2020134345A1 (zh) 发声器件
CN118678270B (zh) 发声装置和电子设备
WO2020140544A1 (zh) 发声器件
CN219612023U (zh) 扬声器单体
WO2024044920A1 (zh) 同轴扬声器
WO2019205714A1 (zh) 一种发声装置
CN118678269A (zh) 发声装置和电子设备
US11805366B2 (en) Multifunctional electromagnetic transducer
WO2022110362A1 (zh) 发声装置
CN118678268A (zh) 发声装置和电子设备
WO2021174577A1 (zh) 发声器件
CN119012087A (zh) 发声装置和电子设备
WO2022007170A1 (zh) 发声器件
WO2021114211A1 (zh) 发声器件
CN119421090A (zh) 发声装置和电子设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20963255

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20963255

Country of ref document: EP

Kind code of ref document: A1