WO2024044922A1 - 同轴扬声器 - Google Patents

同轴扬声器 Download PDF

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Publication number
WO2024044922A1
WO2024044922A1 PCT/CN2022/115649 CN2022115649W WO2024044922A1 WO 2024044922 A1 WO2024044922 A1 WO 2024044922A1 CN 2022115649 W CN2022115649 W CN 2022115649W WO 2024044922 A1 WO2024044922 A1 WO 2024044922A1
Authority
WO
WIPO (PCT)
Prior art keywords
magnetic
voice coil
circuit board
vibration system
diaphragm
Prior art date
Application number
PCT/CN2022/115649
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声光电科技(常州)有限公司 filed Critical 瑞声光电科技(常州)有限公司
Priority to PCT/CN2022/115649 priority Critical patent/WO2024044922A1/zh
Priority to US18/073,582 priority patent/US20240073613A1/en
Publication of WO2024044922A1 publication Critical patent/WO2024044922A1/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
    • 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 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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
    • H04R9/063—Loudspeakers using a plurality of acoustic drivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms

Definitions

  • the utility model relates to the field of electroacoustic conversion, in particular to a coaxial speaker.
  • 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 of the coaxial speaker in the related art is generally located inside the woofer unit, and the lead of the tweeter voice coil in the tweeter unit is directly connected to a terminal and connected to an external circuit through the terminal.
  • the treble voice coil is only glued to the treble diaphragm. Due to the lack of support, its vibration is relatively unstable, and the leads of the treble voice coil are directly welded to the terminals. During the vibration of the treble voice coil, due to pulling It is extremely easy to disconnect from the terminals, resulting in unstable performance of the coaxial speaker.
  • This utility model is to provide a coaxial speaker with a compact and stable structure and a receiver function.
  • the present utility model provides a coaxial speaker, which includes 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 fixed on the inner side of the basin frame.
  • a second vibration system is provided outside the frame and surrounding 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 second vibration system.
  • a first voice coil with a diaphragm that vibrates 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 a second magnetic gap located outside the first magnetic gap, the first voice coil is at least partially inserted in the first magnetic gap, and the second voice coil is at least partially inserted in the second magnetic gap,
  • the coaxial speaker further includes a flat-shaped first circuit board electrically connected to the first voice coil, an insert supporting the first circuit board, and the first circuit board embedded in the insert. A first terminal for connecting the circuit board to an external circuit. The first circuit board is in contact with the surface of the first voice coil away from the first diaphragm.
  • the magnetic circuit system includes a magnetic conductive member, and the magnetic conductive member includes a flat-shaped first bottom wall surrounding a first through hole and a pair of opposite pairs formed by bending and extending from the first bottom wall.
  • a first side wall is provided, and the first circuit board is provided between a pair of the first side walls.
  • the two first side wall portions are staggered so that the projected portion of one of the two first side walls in a direction perpendicular to the vibration direction of the coaxial speaker falls on the other first side. outside the wall.
  • the magnetic circuit system further includes a first magnet stacked on one side of the first bottom wall close to the first diaphragm, and a second magnet stacked on the other side of the first bottom wall.
  • Steel and a magnetic bowl carrying the second magnetic steel The magnetic bowl includes a second bottom wall surrounding a second through hole and a side bent from the second bottom wall away from the second through hole.
  • the extended second side wall forms the first magnetic gap between the first magnetic steel and the first side wall of the magnetic conductive member.
  • the first magnetic steel, the first bottom wall, the second magnetic gap The second magnetic gap is formed between steel and the second side wall of the magnetic bowl.
  • the insert extends from the second through hole of the magnetic bowl and extends through the first through hole of the magnetic conductor to between a pair of first side walls, and the first circuit board It includes a first fixed end stacked on the top of the insert, a second fixed end that elastically supports the lower end of the first voice coil, and an elastic connecting portion that connects the first fixed end and the second fixed end.
  • the first voice coil is in a rectangular shape with rounded corners, and the elastic connection portion of the first circuit board extends curvedly along the long axis direction.
  • the first circuit board further includes a pad portion provided on the second fixed end, the pad portion is located inside the first voice coil, and the first voice coil includes a lead, so The lead wire is soldered to the pad portion.
  • the insert includes a first step part and a second step part located on the first step part, the second magnetic steel part is stacked on the first step part, and the magnetic conductive member The first bottom wall portion is stacked on the second step portion.
  • the coaxial speaker further includes a support frame and an elastic component connecting the second vibration system and the support frame.
  • the elastic component includes a second circuit board and a support vibrator connected to the second circuit board. membrane, the second voice coil is electrically connected to the second circuit board.
  • the magnetic bowl further includes an extension wall formed by bending and extending from an end of the second side wall away from the second bottom wall, and the extension wall is fixedly connected to the support frame.
  • 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 on the inside of the basin frame, and a first vibration system fixed 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.
  • 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 coaxial speaker further includes a flat-shaped first circuit board electrically connected to the first voice coil, an insert supporting the first circuit board, and the first circuit board embedded in the insert.
  • the first terminal is connected to an external circuit, and the first circuit board is in contact with the surface of the first voice coil away from the first diaphragm.
  • the coaxial speaker of this utility model provides bass sound effects by setting up a ring-shaped bass vibration system.
  • the treble vibration system is placed inside the bass vibration system to provide treble sound effects.
  • the bass and treble form a coaxial full-band speaker to provide high-quality sound effects.
  • the design of the flat first circuit board allows the first diaphragm to be further supported and at the same time the amplitude is increased.
  • the first vibration system can also be used as a receiver, thus realizing the expansion of multiple uses of a device.
  • Figure 1 is a schematic three-dimensional structural diagram of the coaxial speaker of the present utility model
  • Figure 2 is a schematic three-dimensional structural diagram of the coaxial speaker shown in Figure 1 from another angle;
  • Figure 3 is a partially exploded view of the coaxial speaker shown in Figure 1;
  • Figure 4 is an exploded view of some components of the coaxial speaker shown in Figure 1;
  • Figure 5 is an exploded view of the coaxial speaker shown in Figure 1;
  • Figure 6 is an exploded view of another part of the coaxial speaker shown in Figure 1;
  • Figure 7 is a cross-sectional view along line A-A in Figure 1;
  • FIG. 8 is a cross-sectional view along line B-B in FIG. 1 .
  • the present utility model provides a coaxial speaker 100, which includes a basin frame 1, a magnetic circuit system 2 fixed on the basin frame 1, and a first speaker fixed on the inside of the basin frame 1.
  • the vibration system 3, the second vibration system 4 fixed on the outside of the basin frame 1, the insert 5, the first circuit board 6, the support frame 7, the elastic component 8 and the cover are provided between the first vibration system 3 and the second vibration system 3.
  • 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 generally rectangular, and includes an inner wall 11, an outer wall 12 opposite to the inner wall 11, and a top wall 13 connecting the inner wall 11 and the outer wall 12.
  • the third A vibration system 3 is fixed on the inner side wall 11 of the basin frame
  • the second vibration system 4 is fixed on the outer side wall 12 of the basin frame
  • the cover 9 is partially in contact with the top wall 13 .
  • the magnetic circuit system 2 includes a magnetic conductive member 21, a first magnetic steel 22 disposed on one side of the magnetic conductive member 21, a second magnetic steel 23 disposed on the other side of the magnetic conductive member 21, and a magnetic conductor carrying the magnetic conductive member 21.
  • the magnetic conductive member 21 includes a flat first bottom wall 212 surrounding a first through hole 211 and a pair of opposite first side walls 213 bent and extended from the first bottom wall 212.
  • the first circuit board 6 is disposed between the pair of first side walls 213 . As shown in FIG.
  • the two first side walls 213 are partially staggered so that the projection of one of the two first side walls 213 along the direction perpendicular to the vibration direction of the coaxial speaker 100 falls on The other side is outside the first side wall 213 .
  • the first magnet 22 is stacked on the side of the first bottom wall 212 close to the first vibration system 3, and the second magnet 23 is stacked on the first bottom wall 212 away from the first vibration system 3.
  • the first magnet 22 and the second magnet 23 are arranged coaxially and facing each other.
  • the first magnet 22 and the second magnet 23 are magnetized along the vibration direction of the coaxial speaker 100 , and the first magnet 22 and the second magnet 23 are arranged opposite to each other in the same pole.
  • the outer edge of the surface of the first magnet 22 close to the second vibration system 4 is provided with a cut surface 221, the first magnet 22 is provided with a first through hole 222, and the second magnet 23 is provided with a second Through hole 231, the first side wall 213 extends into the first through hole 222.
  • the lower surface of the magnetic bowl 24 is flush with the lower surface of the insert 5 .
  • the magnetic bowl 24 includes a second bottom wall 242 surrounding a second through hole 241 , and a second side wall 243 bent and extended from a side of the second bottom wall 242 away from the second through hole 241 .
  • an extension wall 244 is bent and extended from an end of the second side wall 243 away from the second bottom wall 241 .
  • the extension wall 244 is fixedly connected to the support frame 7 .
  • the first magnetic gap 26 is formed between the first magnetic steel 22, the pole core 25 and the first side wall 213 of the magnetic conductive member 21.
  • the first magnetic steel 22, the first bottom wall 212, the first magnetic gap 26 is formed between
  • the second magnetic gap 27 is formed between the two magnetic steels 23 and the second side wall 243 of the magnetic bowl 24 , and the second magnetic gap 27 is located outside the first magnetic gap 26 .
  • the pole core 25 is provided with a third through hole 251 , and the first side wall 213 further extends into the third through hole 251 .
  • 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 in the shape of a rounded rectangle.
  • the first voice coil 32 At least partially inserted in the first magnetic gap 26, the first voice coil 31 includes a lead 310.
  • the first diaphragm 31 can be used for high-pitched sound, and can also be used as a receiver, and its sounding direction is along The vibration direction is upward.
  • the first diaphragm 31 includes a first dome 311 and a first folding ring 312 disposed around the first dome 311 .
  • the first dome 311 includes a third dome disposed above the first folding ring 312 .
  • the first ball top 3111 is a flat structure
  • the second ball top 3112 is a hollow annular structure.
  • the first folding ring 312 has a hollow annular structure
  • the first folding ring 312 has a downwardly concave structure along the vibration direction.
  • a first fixing portion 313 is provided on the outer edge of the first folding ring 312, and the first fixing portion 313 is provided on the inner edge of the first folding ring 312.
  • a second fixing part 314 is provided on the edge.
  • the first fixing part 313 is attached to the top wall 13 and part of the inner wall 11 of the basin frame 1 , and the first fixing part 313 is attached to the basin frame 1 Part of the top wall 13 is clamped between the top wall 13 and the cover 9 .
  • the first spherical top 3111 is in contact with the upper surface of the second fixing part 314 .
  • the second spherical top 3111 is 3112 is attached to the lower surface of the second fixing part 314 and is sandwiched between the second fixing part 314 and the first voice coil 32 .
  • 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 that connects the second diaphragm 41 and the second voice coil 42.
  • the skeleton 43, the second voice coil 42 is in the shape of a rounded rectangle, the second voice coil 42 is at least partially inserted in the second magnetic gap 27, the second diaphragm 41 can be used for bass sound, and its sound
  • the direction is upward along the direction of vibration.
  • the second diaphragm 41 includes a second folding ring 411 and a third folding ring 412 surrounding the second folding ring 411 and spaced apart from the second folding ring 411 .
  • the second folding ring 411 and the third folding ring 412 are both hollow annular structures, and the second folding ring 411 has a structure protruding upward along the vibration direction, and the third folding ring 412 has a downward protruding structure along the vibration direction. sunken structure.
  • the voice coil bobbin 43 connects the second folding ring 411 , the third folding ring 412 and the second voice coil 42 .
  • One end of the second folding ring 411 close to the first diaphragm 31 is fixed on the outer wall 12 of the basin frame 1 or/and the first magnet 22 , and the third folding ring 412 includes a third Fixed part 4121.
  • the insert 5 extends from the second through hole 241 of the magnetic bowl 24, sequentially passes through the second through hole 231 of the second magnet 23, and the first through hole 211 of the magnetic conductive member 21 until it extends to a pair of between the first side walls 213 .
  • the insert 5 includes a first step portion 51 and a second step portion 52 located on the first step portion 51.
  • the second magnet steel 22 is partially stacked on the first step portion 51.
  • the first bottom wall 212 of the magnetic conductive member 21 is partially stacked on the second step portion 52 .
  • the insert 5 is provided with a first terminal 91 that connects the first circuit board 6 to an external circuit.
  • the first terminal 91 is connected to the first circuit board 6 .
  • the first voice coil 32 passes through the first terminal 91 .
  • the first terminal 91 is electrically connected to the first circuit board 6 .
  • the insert 5 is provided with a leakage channel 53 extending therethrough.
  • the first circuit board 6 is supported and fixed on the insert 5 , and the first circuit board 6 is in contact with the surface of the first voice coil 32 away from the first diaphragm 31 .
  • the first circuit board 6 includes a first fixed end 61 stacked on the top of the insert 5, a second fixed end 62 that elastically supports the lower end of the first voice coil 31 and connects the first fixed end 61 and
  • the elastic connecting portion 63 of the second fixed end 62 and the pad portion 64 provided on the second fixed end 62 are located inside the first voice coil 31 .
  • a lead 310 of the voice coil 31 is welded to the pad portion 64 .
  • the elastic connection portion 63 of the first circuit board 6 extends in a continuous S-shaped bend along the long axis direction to increase the length of the moment arm of the first circuit board 6 and elastically support the first voice coil 31 while elastically supporting the first voice coil 31 .
  • the two first side walls 213 are partially staggered so that a space for the elastic connection portion 63 can be formed outside the first side wall 213 .
  • the support frame 7 is an annular steel ring.
  • the third fixing part 4121 of the third folding ring 412 is fixedly connected to the support frame 7. Specifically, the third fixing part 4121 covers the upper surface and part of the support frame 7. outer side.
  • 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 , a first extension portion 432 extending from one end of the bobbin flat plate portion 431 toward the second circuit board 81 and connected to the second circuit board 81 , and The other end of the skeleton flat plate portion 431 is bent toward a second extension portion 433 that extends toward the second voice coil 42 and is connected to the second voice coil 42 .
  • One end of the skeleton flat plate portion 431 is connected to the second folding ring 411 , and the other end is connected to the third folding ring 412 .
  • the cover 9 is provided with a sound-transmitting hole 90 for sound emission from the first diaphragm 31 and the second diaphragm 41 .
  • 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 on the inside of the basin frame, and a first vibration system fixed on the outside of the basin frame and surrounding the first vibration system.
  • the second vibration system is provided with a vibration system.
  • the first vibration system and the second vibration system are coaxially arranged.
  • the first vibration system includes a first diaphragm and a first diaphragm that drives the first diaphragm to vibrate and produce sound.
  • Voice coil 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 a third magnetic gap located outside the first magnetic gap.
  • the coaxial speaker also includes The first voice coil is electrically connected to a flat-shaped first circuit board, an insert supporting the first circuit board, and a third insert embedded in the insert to connect the first circuit board to an external circuit.
  • a terminal, the first circuit board is in contact with the surface of the first voice coil away from the first diaphragm.
  • the coaxial speaker of this utility model provides bass sound effects by setting up a ring-shaped bass vibration system.
  • the treble vibration system is placed inside the bass vibration system to provide treble sound effects.
  • the bass and treble form a coaxial full-band speaker to provide high-quality sound effects.
  • the design of the flat first circuit board allows the first diaphragm to be further supported and at the same time the amplitude is increased.
  • the first vibration system can also be used as a receiver, thus realizing the expansion of multiple uses of a device.

Abstract

本实用新型提供了一种同轴扬声器，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、固定于盆架外侧的第二振动系统，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，同轴扬声器还包括与第一音圈电性连接的第一电路板、支撑第一电路板的嵌件以及嵌设于嵌件内将第一电路板与外部电路连接的第一端子，第一电路板抵接于第一音圈远离所述第一振膜的表面。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，第一电路板的设置可增加第一音圈的振幅，同轴扬声器还能实现受话器功能。

Description

同轴扬声器 技术领域
本实用新型涉及电声转换领域，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。
 技术问题
相关技术中的同轴扬声器的高音扬声器单元一般位于低音扬声器单元的内侧，高音扬声器单元中的高音音圈的引线直接连接到一端子，并通过该端子与外部电路连接，然而，在同轴扬声器的使用过程中，高音音圈仅与高音振膜胶粘固定，由于缺少支撑，其振动相比较不稳定，而且高音音圈的引线直接与端子焊接，在高音音圈的振动过程中，由于拉扯极易与端子断开连接，导致同轴扬声器的性能不稳定。
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。
 技术解决方案
本实用新型的目的在于提供一种结构紧稳定且兼具受话器功能的同轴扬声器。
为了达到上述目的，本实用新型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、固定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，所述同轴扬声器还包括与所述第一音圈电性连接呈平板状的第一电路板、支撑所述第一电路板的嵌件以及嵌设于所述嵌件内将所述第一电路板与外部电路连接的第一端子，所述第一电路板抵接于所述第一音圈远离所述第一振膜的表面。
优选的，所述磁路系统包括导磁件，所述导磁件包括围设成第一通孔的平板状的第一底壁及自所述第一底壁弯折延伸形成的一对相对设置的第一侧壁，所述第一电路板设置于一对所述第一侧壁之间。
优选的，两个所述第一侧壁部分错开设置使得两个第一侧壁中的一个第一侧壁沿垂直于同轴扬声器的振动方向上的投影部分落在另一个所述第一侧壁外。
优选的，所述磁路系统还包括叠设于所述第一底壁靠近所述第一振膜一侧的第一磁钢、叠设于所述第一底壁另一侧的第二磁钢以及承载所述第二磁钢的磁碗，所述磁碗包括围设成第二通孔的第二底壁及自所述第二底壁远离所述第二通孔的一侧弯折延伸形成的第二侧壁，所述第一磁钢与所述导磁件的第一侧壁之间形成所述第一磁间隙，所述第一磁钢、第一底壁、第二磁钢与所述磁碗的第二侧壁之间形成所述第二磁间隙。
优选的，所述嵌件自所述磁碗的第二通孔延伸并穿过所述导磁件的第一通孔延伸至一对所述第一侧壁之间，所述第一电路板包括叠设于所述嵌件顶部的第一固定端、弹性支撑所述第一音圈下端的第二固定端及连接所述第一固定端与所述第二固定端的弹性接连部。
优选的，所述第一音圈呈圆角矩形，所述第一电路板的弹性连接部沿长轴方向弯曲延伸。
优选的，所述第一电路板还包括设置于所述第二固定端上的焊盘部，所述焊盘部位于所述第一音圈的内侧，所述第一音圈包括引线，所述引线焊接于所述焊盘部。
优选的，所述嵌件包括第一台阶部及位于所述第一台阶部上的第二台阶部，所述第二磁钢部分叠设于所述第一台阶部，所述导磁件的第一底壁部分叠设于所述第二台阶部。
优选的，所述同轴扬声器还包括支撑架、连接所述第二振动系统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，所述磁碗还包括自所述第二侧壁远离所述第二底壁的一端弯折延伸形成的延伸壁，所述延伸壁与所述支撑架固定连接。
 有益效果
与相关技术相比，本实用新型的同轴扬声器，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、固定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，所述同轴扬声器还包括与所述第一音圈电性连接呈平板状的第一电路板、支撑所述第一电路板的嵌件以及嵌设于所述嵌件内将所述第一电路板与外部电路连接的第一端子，所述第一电路板抵接于所述第一音圈远离所述第一振膜的表面。本实用新型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，同时由于平板状的第一电路板的设计使得第一振膜得以进一步支撑，同时振幅增加，该第一振动系统又可用作受话器功能，实现了一个器件多种用途的拓展。
 附图说明
为了更清楚地说明本实用新型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实用新型的一些实施例，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为本实用新型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另一角度的立体结构示意图；
图3为如图1所示的同轴扬声器的部分分解图；
图4为如图1所示的同轴扬声器中部分部件的分解图；
图5为如图1所示的同轴扬声器的分解图；
图6为如图1所示的同轴扬声器中又一部分部件的分解图；
图7为沿图1中A-A线的剖示图；
图8为沿图1中B-B线的剖示图。
 本发明的最佳实施方式
下面将结合本实用新型实施例中的附图，对本实用新型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实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，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，都属于本实用新型保护的范围。
请同时参阅图1-8，本实用新型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、固定于所述盆架1内侧的第一振动系统3、固定于所述盆架1外侧的第二振动系统4、嵌件5、第一电路板6、支撑架7、弹性组件8以及盖设于所述第一振动系统3与第二振动系统4上方的盖体9，所述第二振动系统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，其包括内侧壁11、与所述内侧壁11相对设置的外侧壁12以及连接所述内侧壁11与所述外侧壁12的顶壁13，所述第一振动系统3固定于盆架的内侧壁11，所述第二振动系统4固定于盆架的外侧壁12，所述盖体9部分抵接于所述顶壁13。
所述磁路系统2包括导磁件21、设置于所述导磁件21一侧的第一磁钢22、设置于所述导磁件21另一侧的第二磁钢23、承载所述第二磁钢23的磁碗24以及盖设于所述第一磁钢22上方的极芯25。所述导磁件21包括围设成第一通孔211的平板状的第一底壁212及自所述第一底壁212弯折延伸形成的一对相对设置的第一侧壁213，所述第一电路板6设置于一对所述第一侧壁213之间。如图5所示，两个所述第一侧壁213部分错开设置使得两个第一侧壁213中的一个第一侧壁213沿垂直于同轴扬声器100的振动方向上的投影部分落在另一个所述第一侧壁213外。所述第一磁钢22叠设于所述第一底壁212靠近所述第一振动系统3一侧的，所述第二磁钢23叠设于所述第一底壁212远离所述第一振动系统3一侧的，所述第一磁钢22与所述第二磁钢23同轴并正对设置。所述第一磁钢22、第二磁钢23沿所述同轴扬声器100的振动方向充磁，且所述第一磁钢22、第二磁钢23同极相对设置。所述第一磁钢22靠近所述第二振动系统4的表面的外边缘设有切面221，所述第一磁钢22设有第一穿孔222，所述第二磁钢23设有第二穿孔231，所述第一侧壁213延伸至所述第一穿孔222内。
所述磁碗24的下表面与所述嵌件5的下表面齐平。所述磁碗24包括围设成第二通孔241的第二底壁242、自所述第二底壁242远离所述第二通孔241的一侧弯折延伸形成的第二侧壁243及自所述第二侧壁243远离所述第二底壁241的一端弯折延伸形成的延伸壁244，所述延伸壁244与所述支撑架7固定连接。所述第一磁钢22、极芯25与所述导磁件21的第一侧壁213之间形成所述第一磁间隙26，所述第一磁钢22、第一底壁212、第二磁钢23与所述磁碗24的第二侧壁243之间形成所述第二磁间隙27，所述第二磁间隙27围设于所述第一磁间隙26外侧。
所述极芯25设有第三穿孔251，所述第一侧壁213进一步延伸至所述第三穿孔251内。
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呈圆角矩形，所述第一音圈32至少部分插设于所述第一磁间隙26内，所述第一音圈31包括引线310，所述第一振膜31可用于高音发声，也可用作受话器工作，其发声方向为沿着振动方向向上。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包括设置于所述第一折环312上方的第一球顶部3111及设置于所述第一折环312下方的第二球顶部3112，所述第一球顶部3111为平板状结构，所述第二球顶部3112为中空环状结构。所述第一折环312为中空环状结构，且所述第一折环312为沿振动方向向下凹陷的结构，所述第一折环312的外边缘设有第一固定部313，内边缘设有第二固定部314，所述第一固定部313贴合于所述盆架1的顶壁13及部分内侧壁11，且所述第一固定部313贴合于所述盆架1顶壁13的部分夹持于所述顶壁13及所述盖体9之间，所述第一球顶部3111贴合于与所述第二固定部314的上表面，所述第二球顶部3112贴合于与所述第二固定部314的下表面，且夹设与所述第二固定部314与所述第一音圈32之间。
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以及连接所述第二振膜41与所述第二音圈42的音圈骨架43，所述第二音圈42呈圆角矩形，所述第二音圈42至少部分插设于所述第二磁间隙27内，所述第二振膜41可用于低音发声，其发声方向为沿着振动方向向上。所述第二振膜41包括第二折环411、环绕所述第二折环411且与所述第二折环411间隔设置的第三折环412。所述第二折环411、第三折环412均为中空环状结构，且所述第二折环411为沿振动方向向上突起的结构，所述第三折环412为沿振动方向向下凹陷的结构。所述音圈骨架43连接所述第二折环411、第三折环412与所述第二音圈42。所述第二折环411靠近所述第一振膜31的一端固定于所述盆架1的外侧壁12或/和所述第一磁钢22上，所述第三折环412包括第三固定部4121。
所述嵌件5自所述磁碗24的第二通孔241延伸，依次穿过第二磁钢23的第二穿孔231、所述导磁件21的第一通孔211直至延伸至一对所述第一侧壁213之间。所述嵌件5包括第一台阶部51及位于所述第一台阶部51上的第二台阶部52，所述第二磁钢22部分叠设于所述第一台阶部51上，所述导磁件21的第一底壁212部分叠设于所述第二台阶部52上。所述嵌件5内设有将所述第一电路板6与外部电路连接的第一端子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53。
所述第一电路板6支撑固定于所述嵌件5，所述第一电路板6抵接于所述第一音圈32远离所述第一振膜31的表面。所述第一电路板6包括叠设于所述嵌件5顶部的第一固定端61、弹性支撑所述第一音圈31下端的第二固定端62及连接所述第一固定端61与所述第二固定端62的弹性接连部63、以及设置于所述第二固定端62上的焊盘部64，所述焊盘部64位于所述第一音圈31的内侧，所述第一音圈31的引线310焊接于所述焊盘部64。所述第一电路板6的弹性连接部63沿长轴方向呈连续的S状弯曲延伸，以增加第一电路板6的力臂的长度，在弹性支撑所述第一音圈31的同时可进一步增加第一音圈31的振幅，两个所述第一侧壁213部分错开设置使得第一侧壁213的外侧可以形成让位所述弹性连接部63的空间。
支撑架7为环形钢环，所述第三折环412的第三固定部4121固定连接于所述支撑架7，具体的，第三固定部4121包覆所述支撑架7的上表面及部分外侧面。
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包括骨架平板部431、自所述骨架平板部431的一端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的另一端向着所述第二音圈42弯折延伸并与所述第二音圈42连接的第二延伸部433。所述骨架平板部431的一端与第二折环411连接，另一端与第三折环412连接。
盖体9上设有供第一振膜31、第二振膜41声音发出的透声孔90。
本实用新型的同轴扬声器，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、固定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，所述同轴扬声器还包括与所述第一音圈电性连接呈平板状的第一电路板、支撑所述第一电路板的嵌件以及嵌设于所述嵌件内将所述第一电路板与外部电路连接的第一端子，所述第一电路板抵接于所述第一音圈远离所述第一振膜的表面。本实用新型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，同时由于平板状的第一电路板的设计使得第一振膜得以进一步支撑，同时振幅增加，该第一振动系统又可用作受话器功能，实现了一个器件多种用途的拓展。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种同轴扬声器，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、固定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，所述同轴扬声器还包括与所述第一音圈电性连接呈平板状的第一电路板、支撑所述第一电路板的嵌件以及嵌设于所述嵌件内将所述第一电路板与外部电路连接的第一端子，所述第一电路板抵接于所述第一音圈远离所述第一振膜的表面。
  2. 根据权利要求1所述的同轴扬声器，其特征在于，所述磁路系统包括导磁件，所述导磁件包括围设成第一通孔的平板状的第一底壁及自所述第一底壁弯折延伸形成的一对相对设置的第一侧壁，所述第一电路板设置于一对所述第一侧壁之间。
  3. 根据权利要求2所述的同轴扬声器，其特征在于，两个所述第一侧壁部分错开设置使得两个第一侧壁中的一个第一侧壁沿垂直于同轴扬声器的振动方向上的投影部分落在另一个所述第一侧壁外。
  4. 根据权利要求2所述的同轴扬声器，其特征在于，所述磁路系统还包括叠设于所述第一底壁靠近所述第一振膜一侧的第一磁钢、叠设于所述第一底壁另一侧的第二磁钢以及承载所述第二磁钢的磁碗，所述磁碗包括围设成第二通孔的第二底壁及自所述第二底壁远离所述第二通孔的一侧弯折延伸形成的第二侧壁，所述第一磁钢与所述导磁件的第一侧壁之间形成所述第一磁间隙，所述第一磁钢、第一底壁、第二磁钢与所述磁碗的第二侧壁之间形成所述第二磁间隙。
  5. 根据权利要求4所述的同轴扬声器，其特征在于，所述嵌件自所述磁碗的第二通孔延伸并穿过所述导磁件的第一通孔延伸至一对所述第一侧壁之间，所述第一电路板包括叠设于所述嵌件顶部的第一固定端、弹性支撑所述第一音圈下端的第二固定端及连接所述第一固定端与所述第二固定端的弹性接连部。
  6. 根据权利要求5所述的同轴扬声器，其特征在于，所述第一音圈呈圆角矩形，所述第一电路板的弹性连接部沿长轴方向弯曲延伸。
  7. 根据权利要求6所述的同轴扬声器，其特征在于，所述第一电路板还包括设置于所述第二固定端上的焊盘部，所述焊盘部位于所述第一音圈的内侧，所述第一音圈包括引线，所述引线焊接于所述焊盘部。
  8. 根据权利要求4所述的同轴扬声器，其特征在于，所述嵌件包括第一台阶部及位于所述第一台阶部上的第二台阶部，所述第二磁钢部分叠设于所述第一台阶部，所述导磁件的第一底壁部分叠设于所述第二台阶部。
  9. 根据权利要求4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、连接所述第二振动系统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，所述磁碗还包括自所述第二侧壁远离所述第二底壁的一端弯折延伸形成的延伸壁，所述延伸壁与所述支撑架固定连接。
PCT/CN2022/115649 2022-08-30 2022-08-30 同轴扬声器 WO2024044922A1 (zh)

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JP2000069586A (ja) * 1998-08-20 2000-03-03 Sony Corp スピーカ
JP2000138996A (ja) * 1998-10-30 2000-05-16 Sony Corp スピーカ装置
US20170359647A1 (en) * 2014-12-08 2017-12-14 Pioneer Corporation Speaker device
JP2020150472A (ja) * 2019-03-14 2020-09-17 パナソニックＩｐマネジメント株式会社 スピーカユニット、電子機器および移動体装置
CN113596686A (zh) * 2021-07-30 2021-11-02 歌尔科技有限公司 同轴扬声器和电子设备
CN113691912A (zh) * 2021-09-17 2021-11-23 歌尔股份有限公司 发声装置和电子设备
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
WO2022121740A1 (zh) * 2020-12-07 2022-06-16 华为技术有限公司 一种扬声器及电子设备

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000069586A (ja) * 1998-08-20 2000-03-03 Sony Corp スピーカ
JP2000138996A (ja) * 1998-10-30 2000-05-16 Sony Corp スピーカ装置
US20170359647A1 (en) * 2014-12-08 2017-12-14 Pioneer Corporation Speaker device
JP2020150472A (ja) * 2019-03-14 2020-09-17 パナソニックＩｐマネジメント株式会社 スピーカユニット、電子機器および移動体装置
WO2022121740A1 (zh) * 2020-12-07 2022-06-16 华为技术有限公司 一种扬声器及电子设备
CN113596686A (zh) * 2021-07-30 2021-11-02 歌尔科技有限公司 同轴扬声器和电子设备
CN113691912A (zh) * 2021-09-17 2021-11-23 歌尔股份有限公司 发声装置和电子设备
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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