WO2024000693A1 - 同轴扬声器 - Google Patents

同轴扬声器 Download PDF

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Publication number
WO2024000693A1
WO2024000693A1 PCT/CN2022/106759 CN2022106759W WO2024000693A1 WO 2024000693 A1 WO2024000693 A1 WO 2024000693A1 CN 2022106759 W CN2022106759 W CN 2022106759W WO 2024000693 A1 WO2024000693 A1 WO 2024000693A1
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WO
WIPO (PCT)
Prior art keywords
diaphragm
magnetic
voice coil
dome
vibration system
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Application number
PCT/CN2022/106759
Other languages
English (en)
French (fr)
Inventor
任璋
钟志威
Original Assignee
瑞声光电科技(常州)有限公司
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Application filed by 瑞声光电科技(常州)有限公司 filed Critical 瑞声光电科技(常州)有限公司
Publication of WO2024000693A1 publication Critical patent/WO2024000693A1/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the present invention relates to the field of sensors, and in particular to a coaxial loudspeaker.
  • Coaxial speakers refer to speakers that integrate a tweeter unit and a woofer unit, and the tweeter unit and the woofer unit are coaxially arranged.
  • the sound sources of the tweeter unit and woofer unit of the coaxial speaker can be located on the front of the coaxial speaker, that is, the sound emission direction of the two speaker units is the same, or they can be located on the front and back of the coaxial speaker, that is, the sound emission direction of the two speaker units Not the same as above.
  • the tweeter unit and the woofer unit of the coaxial speaker are located on the same side of the coaxial speaker.
  • the sound film of the tweeter unit and the sound film of the woofer unit are both pressed from the same material. In terms of product performance, It is relatively simple and difficult to control.
  • the object of the present invention is to provide a coaxial speaker with a flexibly adjustable high and low diaphragm.
  • the present invention provides a coaxial speaker including a basin frame, a magnetic circuit system fixed below the basin frame, a first vibration system fixed on the inside of the basin frame, and a first vibration system arranged on the outside of the basin frame. And a second vibration system is arranged around the first vibration system.
  • the first vibration system and the second vibration system are arranged coaxially.
  • the first vibration system includes a first diaphragm and drives the first vibration system.
  • a first voice coil that vibrates a diaphragm and produces sound.
  • the second vibration system includes a second diaphragm and a second voice coil that drives the second diaphragm to vibrate and produce sound.
  • the magnetic circuit system is provided with a first magnetic gap and is located on the third A second magnetic gap outside the magnetic gap, the first voice coil is at least partially inserted in the first magnetic gap, the second voice coil is at least partially inserted in the second magnetic gap, the The first diaphragm is used to produce high-pitched sound, and the second diaphragm is used to produce low-pitched sound.
  • the second diaphragm is an integrated silicone rubber diaphragm.
  • the first diaphragm is an integrated silicone rubber diaphragm.
  • the first diaphragm includes a first dome and a first folding ring surrounding the first dome, and the first dome and the first folding ring are integrally formed.
  • the second diaphragm includes a second folding ring, a second dome arranged around the second folding ring, and a third folding ring arranged around the second dome, and the second folding ring,
  • the second dome and the third folding ring are integrally formed.
  • the second diaphragm includes a second folding ring, a second dome arranged around the second folding ring, a third folding ring arranged around the second dome, and a second folding ring connected to the second dome.
  • the second dome, the third fold ring and the voice coil skeleton of the second voice coil, the second fold ring, the second dome and the third fold ring are spaced apart from each other, the second fold ring, the third fold ring
  • the second dome and the third folding ring are integrally formed with the voice coil frame.
  • the magnetic circuit system includes a magnetic bowl, the magnetic bowl includes a side wall surrounding a receiving space and a bottom wall bent and extended from an end of the side wall away from the first vibration system, the The magnetic circuit system also includes a first magnetic steel component disposed on one side of the magnetic bowl and a second magnetic steel component disposed on the other side of the magnetic bowl.
  • the first magnetic steel component includes a first magnetic steel and a stack of The pole core is provided on the first magnetic steel.
  • the first magnetic gap is formed between the first magnetic steel and the side wall of the magnetic bowl.
  • the second magnetic steel assembly includes a second magnetic steel and A third magnetic steel located outside the second magnetic steel and forming the second magnetic gap with the second magnetic steel.
  • the pole core and the basin frame are integrally formed.
  • the coaxial speaker further includes an insert surrounded by the magnetic circuit system and a first circuit board fixed with the insert, the insert is provided with a first terminal passing through it, and the The first voice coil is electrically connected to the first circuit board through the first terminal.
  • the coaxial speaker further includes a support frame and an elastic component connecting the voice coil bobbin and the support frame.
  • the elastic component includes a second circuit board and a support diaphragm connected to the second circuit board.
  • the second voice coil is electrically connected to the second circuit board.
  • the voice coil bobbin includes a bobbin flat plate portion that is in contact with the second dome, and a third bobbin bent and extended from the bobbin flat plate portion toward the second circuit board and connected to the second circuit board.
  • the coaxial speaker of the present invention includes a basin frame, a magnetic circuit system fixed below the basin frame, a first vibration system fixed inside the basin frame, and a first vibration system arranged outside the basin frame and surrounding
  • the second vibration system is provided with the first vibration system.
  • the first vibration system and the second vibration system are coaxially arranged.
  • the first vibration system includes a first diaphragm and drives the first diaphragm to vibrate.
  • the first voice coil that produces sound the second vibration system includes a second diaphragm and a second voice coil that drives the second diaphragm to vibrate and produce sound
  • the magnetic circuit system is provided with a first magnetic gap and is located on the first magnetic A second magnetic gap outside the gap, the first voice coil is at least partially inserted in the first magnetic gap, the second voice coil is at least partially inserted in the second magnetic gap, the first The diaphragm is used to produce high-pitched sound, and the second diaphragm is used to produce low-pitched sound.
  • the second diaphragm is an integrated silicone rubber diaphragm.
  • the coaxial speaker of the present invention provides a bass sound effect by setting up a ring-shaped bass vibration system.
  • the treble vibration system is arranged inside the bass vibration system to provide a treble sound effect.
  • the bass and treble form a coaxial full-band speaker to provide high-quality sound effects.
  • the bass vibration system provides high-quality sound effects.
  • the diaphragm is integrally formed with silicone rubber material, and the treble diaphragm can also be integrally molded with silicone rubber material, so that the bass diaphragm and the treble diaphragm can be designed and molded separately, and the treble and bass diaphragms can be adjusted separately according to the different characteristics of bass and treble.
  • the material is thicker and more flexible in use.
  • Figure 1 is a schematic three-dimensional structural diagram of a coaxial speaker in the first embodiment of the present invention
  • Figure 2 is a partially exploded view of the coaxial speaker shown in Figure 1;
  • Figure 3 is a schematic three-dimensional structural diagram of some components of the coaxial speaker shown in Figure 1;
  • Figure 4 is an exploded view of the coaxial speaker shown in Figure 1;
  • Figure 5 is a cross-sectional view along line A-A in Figure 1;
  • Figure 6 is a cross-sectional view along line B-B in Figure 1;
  • Figure 7 is a cross-sectional view of a coaxial speaker in the second embodiment of the present invention.
  • the first embodiment of the present invention provides a coaxial speaker 100, which includes a basin frame 1, a magnetic circuit system 2 fixed to the basin frame 1, and a magnetic circuit system 2 fixed to the basin frame 1.
  • the first vibration system 3 on the inside of 1, the second vibration system 4 provided on the outside of the basin frame 1, the insert 5, the first circuit board 6 fixed to the insert 5, the support frame 7, and the elastic component 8,
  • the second vibration system 4 surrounds the outside of the first vibration system 3 and is coaxially arranged with the first vibration system 3 .
  • the outer circumference of the basin frame 1 is roughly rectangular, and includes an upper wall surface 11 and a lower wall surface 12 opposite to the upper wall surface 11 and an outer wall surface 13 connecting the upper wall surface 11 and the lower wall surface 12.
  • the third A vibration system 3 is fixed on the upper wall 11 of the basin and extends to the outer wall 13 .
  • the second vibration system 4 is spaced apart from the outer wall 13 of the basin.
  • the magnetic circuit system 2 includes a magnetic bowl 21 , a first magnetic steel component 22 disposed on one side of the magnetic bowl 21 , and a second magnetic steel component 23 disposed on the other side of the magnetic bowl 21 .
  • the first magnetic steel assembly 22 and the second magnetic steel assembly 23 are arranged coaxially.
  • the magnetic bowl 21 includes a side wall 211 surrounding a receiving space 210 and a bottom wall 212 bent and extended from an end of the side wall 211 away from the first vibration system 3 .
  • the first magnetic steel assembly 22 includes a first magnetic steel 221 and a pole core 222 disposed on the first magnetic steel 221.
  • the first magnetic steel 221 and the side wall 211 of the magnetic bowl 21 form a First magnetic gap 220.
  • the pole core 222 and the basin frame 1 have a split structure, and they can be structurally fixed against each other.
  • the bottom wall 212 of the magnetic bowl 21 carries the first magnetic steel 221 .
  • the second magnet steel assembly 23 includes a second magnet steel 231, a third magnet steel 232 forming a second magnetic gap 230 with the second magnet steel 231, and a magnetic conductive magnet stacked above the third magnet steel 232.
  • the plate 233 and the bottom wall 212 of the magnetic bowl 21 are stacked above the second magnetic steel 231.
  • the first magnetic steel 221 and the second magnetic steel 232 are arranged facing each other.
  • the magnetic circuit system 2 also includes a magnetic yoke 24 carrying the second magnet 231 and the third magnet 232 .
  • the first magnet 221 , the second magnet 231 , and the third magnet 232 are magnetized along the vibration direction of the coaxial speaker 100 , and the first magnet 221 and the second magnet 231 are oppositely arranged with the same pole. , the second magnet 231 and the third magnet 232 are magnetized in opposite directions.
  • the first magnetic steel 221, the pole core 222, the second magnetic steel 231, the third magnetic steel 232, and the magnetic conductive plate 233 are all hollow annular structures.
  • the first vibration system 3 includes a first diaphragm 31 and a first voice coil 32 that drives the first diaphragm 31 to vibrate and produce sound.
  • the first voice coil 32 is at least partially inserted in the first magnetic gap 220 Inside, the first diaphragm 31 is an integrated silicone rubber diaphragm.
  • the first diaphragm 31 can also be made by a conventional lamination method.
  • the first diaphragm 31 is used for high-pitched sound, and its sound direction It is upward along the vibration direction, that is, it emits sound from the front of the coaxial speaker 100 .
  • the first diaphragm 31 includes a first dome 311 and a first ring 312 arranged around the first dome 311.
  • the first dome 311 includes a first dome 3111 and a first dome fixed on the first dome 3111.
  • the first folding ring 312 includes a first fixing part 3121 , the first fixing part 3121 is attached to the upper wall surface 11 of the basin frame 1 and extends to cover part of the outer wall surface 13 of the basin frame 1 .
  • the first dome 311 and the first folding ring 312 can be integrally formed of silicone rubber material.
  • the second vibration system 4 includes a second diaphragm 41, a second voice coil 42 that drives the second diaphragm 41 to vibrate and produce sound, and a voice coil bobbin that connects the second diaphragm 41 and the second voice coil. 43.
  • the second diaphragm 41 is an integrated silicone rubber diaphragm.
  • the second voice coil 42 is at least partially inserted in the second magnetic gap 230 .
  • the second diaphragm 41 is used for bass sound production, and its sound production direction is upward along the vibration direction, which is the direction of the coaxial speaker 100 . Speak from the front.
  • the second diaphragm 41 includes a second folding ring 411, a second dome 412 surrounding the second dome 411, a third folding ring 413 surrounding the second dome 412, and a second dome 413 surrounding the second dome 412.
  • An extension arm 414 extends upward from the side of the two folding rings 411 away from the second dome 412, and one end of the extension arm 414 is in a suspended state.
  • the second folding ring 411, the second dome 412, and the third folding ring 413 can be arranged at intervals from each other, and the voice coil bobbin 43 and the second folding ring 411 and the second dome
  • the top 412 , the third folding ring 413 , and the extension arm 414 are integrally formed, and the second folding ring 411 , the second dome 412 , the third folding ring 413 , and the extension arm 414 are connected to the second voice coil 42 .
  • the second folding ring 411, the second dome 412, the third folding ring 413, and the extension arm 414 can also be connected to each other.
  • the second folding ring 411, the second dome 412 , the third folding ring 413 and the extension arm 414 are integrally formed.
  • One end of the second folding ring 411 close to the first diaphragm 31 is fixed on the first magnet 221 .
  • the third folding ring 413 includes a second fixing portion 4131 .
  • the yoke 24 is provided with a relief recess 241 corresponding to the position of the second voice coil 42 to provide sufficient vibration space for the second voice coil 42 .
  • the insert 5 is disposed in the receiving space 210 surrounded by the side wall 211 of the magnetic bowl 21 .
  • the first circuit board 6 is attached to the outer surface of the magnetic yoke 24 .
  • the insert 5 is provided with a
  • the first terminal 91 is connected to the first circuit board 6
  • the first voice coil 32 is electrically connected to the first circuit board 6 through the first terminal 91 .
  • the insert 5 is provided with a leakage channel 51 running through it.
  • the support frame 7 is an annular steel ring.
  • the second fixing part 4131 of the third folding ring 413 is fixedly connected to the support frame 7. Specifically, the second fixing part 4131 covers the upper surface and part of the support frame 7. The outer surface.
  • the elastic component 8 connects the voice coil bobbin 43 and the support frame 7 .
  • the elastic component 8 includes a second circuit board 81 and a support diaphragm 82 connected to the second circuit board 81 .
  • the second voice coil 42 is electrically connected to the second circuit board 81.
  • the coaxial speaker 100 further includes a second terminal 92 connected to the second circuit board 81, and the second voice coil 42 passes through the second circuit board 81.
  • the terminal 92 is electrically connected to the second circuit board 81 .
  • the number of elastic components 8 is two, and they are arranged in the short axis direction of the coaxial speaker 100. In other embodiments, it may depend on the situation.
  • the voice coil bobbin 43 includes a bobbin flat plate portion 431 that is in contact with the second dome 412 .
  • the voice coil bobbin 43 bends and extends from the bobbin flat plate portion 431 toward the second circuit board 81 and connects with the second circuit board 81 .
  • the connected first extension part 432 and the second extension part 433 extend from the frame flat plate part 431 toward the second voice coil 42 and are connected to the second voice coil 42 .
  • the structure of the coaxial speaker of the second embodiment of the present invention is basically the same as that of the first embodiment. The difference is that the pole core 222' of the coaxial speaker in the second embodiment is integrated with the basin frame 1'. Molded structure.
  • the coaxial speaker of the present invention includes a basin frame, a magnetic circuit system fixed below the basin frame, a first vibration system fixed inside the basin frame, and a first vibration system arranged outside the basin frame and surrounding
  • the second vibration system is provided with the first vibration system.
  • the first vibration system and the second vibration system are coaxially arranged.
  • the first vibration system includes a first diaphragm and drives the first diaphragm to vibrate.
  • the first voice coil that produces sound the second vibration system includes a second diaphragm and a second voice coil that drives the second diaphragm to vibrate and produce sound
  • the magnetic circuit system is provided with a first magnetic gap and is located on the first magnetic A second magnetic gap outside the gap, the first voice coil is at least partially inserted in the first magnetic gap, the second voice coil is at least partially inserted in the second magnetic gap, the first The diaphragm is used to produce high-pitched sound, and the second diaphragm is used to produce low-pitched sound.
  • the second diaphragm is an integrated silicone rubber diaphragm.
  • the coaxial speaker of the present invention provides a bass sound effect by setting up a ring-shaped bass vibration system.
  • the treble vibration system is arranged inside the bass vibration system to provide a treble sound effect.
  • the bass and treble form a coaxial full-band speaker to provide high-quality sound effects.
  • the bass vibration system provides high-quality sound effects.
  • the diaphragm is integrally formed with silicone rubber material, and the treble diaphragm can also be integrally molded with silicone rubber material, so that the bass diaphragm and the treble diaphragm can be designed and molded separately, and the treble and bass diaphragms can be adjusted separately according to the different characteristics of bass and treble.
  • the material is thicker and more flexible in use.

Abstract

一种同轴扬声器包括盆架、固定于盆架下方的磁路系统、固定于盆架内侧的第一振动系统及设置于盆架外侧且环绕第一振动系统设置的第二振动系统，第一振动系统与第二振动系统同轴设置，第一振动系统包括第一振膜及第一音圈，第二振动系统包括第二振膜及第二音圈，磁路系统设有第一磁间隙及位于第一磁间隙外侧的第二磁间隙，第一音圈至少部分插设于第一磁间隙内，第二音圈至少部分插设于第二磁间隙内，第一振膜用于高音发声，第二振膜用于低音发声，第二振膜为一体式的硅橡胶振膜。该同轴扬声器低音、高音形成同轴全频带扬声器，提供高品质音效，低音振膜与高音振膜分开设计、成型，可以针对低音和高音的不同特性，单独调整高低音的膜料材质和厚度。

Description

同轴扬声器
【 技术领域】
本发明涉及传感器领域，尤其涉及一种同轴扬声器。
【 背景技术】
同轴扬声器是指集成有高音扬声器单元和低音扬声器单元，且高音扬声器单元和低音扬声器单元同轴设置的扬声器。同轴扬声器的高音扬声器单元和低音扬声器单元的声源可位于同轴扬声器的正面，即两个扬声器单元的发声方向相同，也可位于同轴扬声器的正反面，即两个扬声器单元的发声方向不上同。
相关技术中的同轴扬声器的高音扬声器单元和低音扬声器单元位于同轴扬声器的同侧，高音单元的音膜和低音单元的音膜都是由同一种材料压制而成的，在产品的性能上就比较单一，难以调控。
因此，有必要提供一种新的同轴扬声器以解决上述技术问题。
【 发明内容】
本发明的目的在于提供一种高低音振膜可灵活调节的同轴扬声器。
为了达到上述目的，本发明提供了一种同轴扬声器包括盆架、固定于所述盆架下方的磁路系统、固定于所述盆架内侧的第一振动系统及设置于所述盆架外侧且环绕所述第一振动系统设置的第二振动系统，所述第一振动系统与所述第二振动系统同轴设置，所述第一振动系统包括第一振膜及驱动所述第一振膜振动发声的第一音圈，所述第二振动系统包括第二振膜及驱动所述第二振膜振动发声的第二音圈，所述磁路系统设有第一磁间隙及位于第一磁间隙外侧的第二磁间隙，所述第一音圈至少部分插设于所述第一磁间隙内，所述第二音圈至少部分插设于所述第二磁间隙内，所述第一振膜用于高音发声，所述第二振膜用于低音发声，所述第二振膜为一体式的硅橡胶振膜。
优选的，所述第一振膜为一体式的硅橡胶振膜。
优选的，所述第一振膜包括第一球顶以及环绕所述第一球顶的第一折环，所述第一球顶与所述第一折环一体成型。
优选的，所述第二振膜包括第二折环、环绕所述第二折环设置的第二球顶、环绕所述第二球顶设置的第三折环，所述第二折环、第二球顶、第三折环一体成型。
优选的，所述第二振膜包括第二折环、环绕所述第二折环设置的第二球顶、环绕所述第二球顶设置的第三折环、连接所述第二折环、第二球顶、第三折环与所述第二音圈的音圈骨架，所述第二折环、第二球顶、第三折环彼此间隔设置，所述第二折环、第二球顶、第三折环与所述音圈骨架一体成型。
优选的，所述磁路系统包括磁碗，所述磁碗包括围设成收容空间的侧壁以及自所述侧壁远离所述第一振动系统的一端弯折延伸形成的底壁，所述磁路系统还包括设置于所述磁碗一侧的第一磁钢组件及设置于所述磁碗另一侧的第二磁钢组件，所述第一磁钢组件包括第一磁钢及叠设于所述第一磁钢上的极芯，所述第一磁钢与所述磁碗的侧壁之间形成所述第一磁间隙，所述第二磁钢组件包括第二磁钢及位于第二磁钢外侧且与所述第二磁钢形成所述第二磁间隙的第三磁钢。
优选的，所述极芯与所述盆架一体成型。
优选的，所述同轴扬声器还包括被所述磁路系统环绕设置的嵌件以及与所述嵌件固定的第一电路板，所述嵌件设有贯穿其上的第一端子，所述第一音圈通过所述第一端子与所述第一电路板电性连接。
优选的，所述同轴扬声器还包括支撑架、连接所述音圈骨架与所述支撑架的弹性组件，所述弹性组件包括第二电路板及与所述第二电路板连接的支撑振膜，所述第二音圈与所述第二电路板电性连接。
优选的，所述音圈骨架包括与所述第二球顶贴合的骨架平板部、自所述骨架平板部向着所述第二电路板弯折延伸并与所述第二电路板连接的第一延伸部及自所述骨架平板部向着所述第二音圈弯折延伸并与所述第二音圈连接的第二延伸部。
与相关技术相比，本发明的同轴扬声器包括盆架、固定于所述盆架下方的磁路系统、固定于所述盆架内侧的第一振动系统及设置于所述盆架外侧且环绕所述第一振动系统设置的第二振动系统，所述第一振动系统与所述第二振动系统同轴设置，所述第一振动系统包括第一振膜及驱动所述第一振膜振动发声的第一音圈，所述第二振动系统包括第二振膜及驱动所述第二振膜振动发声的第二音圈，所述磁路系统设有第一磁间隙及位于第一磁间隙外侧的第二磁间隙，所述第一音圈至少部分插设于所述第一磁间隙内，所述第二音圈至少部分插设于所述第二磁间隙内，所述第一振膜用于高音发声，所述第二振膜用于低音发声，所述第二振膜为一体式的硅橡胶振膜。本发明的同轴扬声器通过设置环形的低音振动系统，提供低音音效，高音振动系统设置于低音振动系统内侧，提供高音音效，低音、高音形成同轴全频带扬声器，提供高品质音效，其中低音振膜用硅橡胶材料一体式成型，高音振膜也可用硅橡胶材料一体式成型，使得低音振膜与高音振膜可以分开设计、成型，可以针对低音和高音的不同特性，单独调整高低音的膜料材质和厚，使用中更加灵活。
【 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为本发明第一实施例中同轴扬声器的立体结构示意图；
图2为如图1所示的同轴扬声器的部分分解图;
图3为如图1所示的同轴扬声器中部分部件的立体结构示意图;
图4为如图1所示的同轴扬声器的分解图;
图5为沿图1中A-A线的剖示图;
图6为沿图1中B-B线的剖示图；
图7为本发明第二实施例中同轴扬声器的剖示图。
【 具体实施方式】  
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。
请同时参阅图1-6，本发明的第一实施例提供了一种同轴扬声器100，其包括盆架1、固定于所述盆架1的磁路系统2、以及固定于所述盆架1内侧的第一振动系统3、设置于所述盆架1外侧的第二振动系统4、嵌件5、与所述嵌件5固定的第一电路板6、支撑架7、弹性组件8，第二振动系统4环绕于所述第一振动系统3的外侧且与所述第一振动系统3同轴设置。
所述盆架1的外周大致成矩形，其包括上壁面11及与所述上壁面11相对设置的下壁面12以及连接所述上壁面11与所述下壁面12的外壁面13，所述第一振动系统3固定于盆架的上壁面11并延伸至所述外壁面13，所述第二振动系统4与所述盆架的外壁面13间隔设置。
所述磁路系统2包括磁碗21、设置于所述磁碗21一侧的第一磁钢组件22及设置于所述磁碗21另一侧的第二磁钢组件23。所述第一磁钢组件22与所述第二磁钢组件23同轴设置。所述磁碗21包括围设成收容空间210的侧壁211以及自所述侧壁211远离所述第一振动系统3的一端弯折延伸形成的底壁212。所述第一磁钢组件22包括第一磁钢221以及设置于所述第一磁钢221上的极芯222，所述第一磁钢221与所述磁碗21的侧壁211之间形成第一磁间隙220。在本实施例中，极芯222与盆架1为分体式结构，其可在结构上相互抵靠固定。所述磁碗21的底壁212承载所述第一磁钢221。所述第二磁钢组件23包括第二磁钢231、与所述第二磁钢231形成第二磁间隙230的第三磁钢232、叠设于所述第三磁钢232上方的导磁板233，所述磁碗21的底壁212叠设于所述第二磁钢231的上方，所述第一磁钢221与所述第二磁钢232正对设置。所述磁路系统2还包括承载所述第二磁钢231与所述第三磁钢232的磁轭24。
所述第一磁钢221、第二磁钢231、第三磁钢232沿所述同轴扬声器100的振动方向充磁，且所述第一磁钢221、第二磁钢231同极相对设置，所述第二磁钢231、第三磁钢232充磁方向相反。在本实施例中，所述第一磁钢221、极芯222、第二磁钢231、第三磁钢232、导磁板233均为中空环状结构。
所述第一振动系统3包括第一振膜31及驱动所述第一振膜31振动发声的第一音圈32，所述第一音圈32至少部分插设于所述第一磁间隙220内，所述第一振膜31为一体式的硅橡胶振膜，当然，所述第一振膜31也可用常规压膜方式制作，所述第一振膜31用于高音发声，其发声方向为沿着振动方向向上，即为同轴扬声器100的正面发声。所述第一振膜31包括第一球顶311以及环绕所述第一球顶311设置的第一折环312，所述第一球顶311包括第一球顶部3111及固定于所述第一球顶部3111外周的第二球顶部3112。所述第一折环312包括第一固定部3121，所述第一固定部3121贴合于所述盆架1的上壁面11并延伸包覆部分所述盆架1的外壁面13。所述第一球顶311与第一折环312可由硅橡胶材料一体成型而成。
所述第二振动系统4包括第二振膜41、驱动所述第二振膜41振动发声的第二音圈42及连接所述第二振膜41与所述第二音圈的音圈骨架43，所述第二振膜41为一体式的硅橡胶振膜。所述第二音圈42至少部分插设于所述第二磁间隙230内，所述第二振膜41用于低音发声，其发声方向为沿着振动方向向上，即为同轴扬声器100的正面发声。所述第二振膜41包括第二折环411、环绕所述第二折环411设置的第二球顶412、环绕所述第二球顶412设置的第三折环413以及自所述第二折环411远离所述第二球顶412的一侧向上延伸的延伸臂414，所述延伸臂414的一端为悬置状态。在本他实施例中，所述第二折环411、第二球顶412、第三折环413、可以彼此间隔设置，所述音圈骨架43与所述第二折环411、第二球顶412、第三折环413、延伸臂414一体成型，并将所述第二折环411、第二球顶412、第三折环413、延伸臂414与所述第二音圈42连接。在其他实施例中，所述第二折环411、第二球顶412、第三折环413、延伸臂414也可以彼此相连设置，此时所述第二折环411、第二球顶412、第三折环413、延伸臂414一体成型。所述第二折环411靠近所述第一振膜31的一端固定于所述第一磁钢221上，所述第三折环413包括第二固定部4131。
所述磁轭24对应所述第二音圈42的位置设有让位凹陷部241，以提供第二音圈42足够的振动空间。
嵌件5设置于所述磁碗21侧壁211围设成的收容空间210内，第一电路板6贴设于所述磁轭24的外表面，所述嵌件5设有贯穿其上的第一端子91，所述第一端子91与第一电路板6连接，所述第一音圈32通过所述第一端子91与所述第一电路板6实现电性连接。所述嵌件5设有贯穿其上的泄漏通道51。
支撑架7为环形钢环，所述第三折环413的第二固定部4131固定连接于所述支撑架7，具体的，第二固定部4131包覆所述支撑架7的上表面及部分外表面。
弹性组件8连接所述音圈骨架43与所述支撑架7，所述弹性组件8包括第二电路板81与所述第二电路板81连接的支撑振膜82，所述第二音圈42与所述第二电路板81电性连接，具体的，所述同轴扬声器100还包括与所述第二电路板81连接的第二端子92，所述第二音圈42通过所述第二端子92与所述第二电路板81电性连接。在本实施例中，弹性组件8的数量为两个，且设置在同轴扬声器100的短轴方向上，在其他实施例中可视情况而定。
所述音圈骨架43包括与所述第二球顶412贴合的骨架平板部431、自所述骨架平板部431向着所述第二电路板81弯折延伸并与所述第二电路板81连接的第一延伸部432及自所述骨架平板部431向着所述第二音圈42弯折延伸并与所述第二音圈42连接的第二延伸部433。
请参阅图7，本发明的第二实施例与第一实施例的同轴扬声器结构基本相同，区别在于第二实施例中的同轴扬声器的极芯222’与所述盆架1’为一体成型式结构。
与相关技术相比，本发明的同轴扬声器包括盆架、固定于所述盆架下方的磁路系统、固定于所述盆架内侧的第一振动系统及设置于所述盆架外侧且环绕所述第一振动系统设置的第二振动系统，所述第一振动系统与所述第二振动系统同轴设置，所述第一振动系统包括第一振膜及驱动所述第一振膜振动发声的第一音圈，所述第二振动系统包括第二振膜及驱动所述第二振膜振动发声的第二音圈，所述磁路系统设有第一磁间隙及位于第一磁间隙外侧的第二磁间隙，所述第一音圈至少部分插设于所述第一磁间隙内，所述第二音圈至少部分插设于所述第二磁间隙内，所述第一振膜用于高音发声，所述第二振膜用于低音发声，所述第二振膜为一体式的硅橡胶振膜。本发明的同轴扬声器通过设置环形的低音振动系统，提供低音音效，高音振动系统设置于低音振动系统内侧，提供高音音效，低音、高音形成同轴全频带扬声器，提供高品质音效，其中低音振膜用硅橡胶材料一体式成型，高音振膜也可用硅橡胶材料一体式成型，使得低音振膜与高音振膜可以分开设计、成型，可以针对低音和高音的不同特性，单独调整高低音的膜料材质和厚，使用中更加灵活。
以上所述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 (10)

  1. 一种同轴扬声器，其特征在于：包括盆架、固定于所述盆架下方的磁路系统、固定于所述盆架内侧的第一振动系统及设置于所述盆架外侧且环绕所述第一振动系统设置的第二振动系统，所述第一振动系统与所述第二振动系统同轴设置，所述第一振动系统包括第一振膜及驱动所述第一振膜振动发声的第一音圈，所述第二振动系统包括第二振膜及驱动所述第二振膜振动发声的第二音圈，所述磁路系统设有第一磁间隙及位于第一磁间隙外侧的第二磁间隙，所述第一音圈至少部分插设于所述第一磁间隙内，所述第二音圈至少部分插设于所述第二磁间隙内，所述第一振膜用于高音发声，所述第二振膜用于低音发声，所述第二振膜为一体式的硅橡胶振膜。
  2. 根据权利要求1所述的同轴扬声器，其特征在于，所述第一振膜为一体式的硅橡胶振膜。
  3. 根据权利要求2所述的同轴扬声器，其特征在于，所述第一振膜包括第一球顶以及环绕所述第一球顶的第一折环，所述第一球顶与所述第一折环一体成型。
  4. 根据权利要求1所述的同轴扬声器，其特征在于，所述第二振膜包括第二折环、环绕所述第二折环设置的第二球顶、环绕所述第二球顶设置的第三折环，所述第二折环、第二球顶、第三折环一体成型。
  5. 根据权利要求1所述的同轴扬声器，其特征在于，所述第二振膜包括第二折环、环绕所述第二折环设置的第二球顶、环绕所述第二球顶设置的第三折环、连接所述第二折环、第二球顶、第三折环与所述第二音圈的音圈骨架，所述第二折环、第二球顶、第三折环彼此间隔设置，所述第二折环、第二球顶、第三折环与所述音圈骨架一体成型。
  6. 根据权利要求1所述的同轴扬声器，其特征在于，所述磁路系统包括磁碗，所述磁碗包括围设成收容空间的侧壁以及自所述侧壁远离所述第一振动系统的一端弯折延伸形成的底壁，所述磁路系统还包括设置于所述磁碗一侧的第一磁钢组件及设置于所述磁碗另一侧的第二磁钢组件，所述第一磁钢组件包括第一磁钢及叠设于所述第一磁钢上的极芯，所述第一磁钢与所述磁碗的侧壁之间形成所述第一磁间隙，所述第二磁钢组件包括第二磁钢及位于第二磁钢外侧且与所述第二磁钢形成所述第二磁间隙的第三磁钢。
  7. 根据权利要求6所述的同轴扬声器，其特征在于，所述极芯与所述盆架一体成型。
  8. 根据权利要求5所述的同轴扬声器，其特征在于，所述同轴扬声器还包括被所述磁路系统环绕设置的嵌件以及与所述嵌件固定的第一电路板，所述嵌件设有贯穿其上的第一端子，所述第一音圈通过所述第一端子与所述第一电路板电性连接。
  9. 根据权利要求8所述的同轴扬声器，其特征在于，所述同轴扬声器还包括支撑架、连接所述音圈骨架与所述支撑架的弹性组件，所述弹性组件包括第二电路板及与所述第二电路板连接的支撑振膜，所述第二音圈与所述第二电路板电性连接。
  10. 根据权利要求9所述的同轴扬声器，其特征在于，所述音圈骨架包括与所述第二球顶贴合的骨架平板部、自所述骨架平板部向着所述第二电路板弯折延伸并与所述第二电路板连接的第一延伸部及自所述骨架平板部向着所述第二音圈弯折延伸并与所述第二音圈连接的第二延伸部。
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Publication number Priority date Publication date Assignee Title
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109218936A (zh) * 2018-08-09 2019-01-15 瑞声科技(新加坡)有限公司 电声器件
EP3448062A1 (en) * 2017-08-25 2019-02-27 Tymphany HK Limited Coaxial dual-voice-coil driver
EP3448061A1 (en) * 2017-08-25 2019-02-27 Tymphany HK Limited Coaxial dual voice coil speaker
US20200107112A1 (en) * 2018-09-28 2020-04-02 Tymphany Acoustic Technology (Huizhou) Co., Ltd. Single-magnet double-tone-circuit coaxial loudspeaker
CN213906929U (zh) * 2020-12-25 2021-08-06 瑞声光电科技(常州)有限公司 扬声器
CN215300909U (zh) * 2021-06-21 2021-12-24 瑞声光电科技(常州)有限公司 发声器件
CN114390407A (zh) * 2022-01-25 2022-04-22 瑞声光电科技(常州)有限公司 同轴扬声器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3448062A1 (en) * 2017-08-25 2019-02-27 Tymphany HK Limited Coaxial dual-voice-coil driver
EP3448061A1 (en) * 2017-08-25 2019-02-27 Tymphany HK Limited Coaxial dual voice coil speaker
CN109218936A (zh) * 2018-08-09 2019-01-15 瑞声科技(新加坡)有限公司 电声器件
US20200107112A1 (en) * 2018-09-28 2020-04-02 Tymphany Acoustic Technology (Huizhou) Co., Ltd. Single-magnet double-tone-circuit coaxial loudspeaker
CN213906929U (zh) * 2020-12-25 2021-08-06 瑞声光电科技(常州)有限公司 扬声器
CN215300909U (zh) * 2021-06-21 2021-12-24 瑞声光电科技(常州)有限公司 发声器件
CN114390407A (zh) * 2022-01-25 2022-04-22 瑞声光电科技(常州)有限公司 同轴扬声器

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