WO2022062039A1 - 发声单体及电子终端 - Google Patents

发声单体及电子终端 Download PDF

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Publication number
WO2022062039A1
WO2022062039A1 PCT/CN2020/123965 CN2020123965W WO2022062039A1 WO 2022062039 A1 WO2022062039 A1 WO 2022062039A1 CN 2020123965 W CN2020123965 W CN 2020123965W WO 2022062039 A1 WO2022062039 A1 WO 2022062039A1
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WO
WIPO (PCT)
Prior art keywords
magnetic
sound
wall
pole core
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/CN2020/123965
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English (en)
French (fr)
Inventor
吴军
杨虎虎
任圣
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 Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte Ltd
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Application filed by AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022062039A1 publication Critical patent/WO2022062039A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • H04R9/06—Loudspeakers

Definitions

  • the present application relates to the field of electro-acoustics, and in particular, to a sound-generating monomer and an electronic terminal.
  • the structure of the speaker module in the related art is relatively complex, resulting in an excessively thick thickness of the terminal, resulting in an excessively large thickness of the terminal, which cannot comply with the development trend of thinner and thinner terminals.
  • two small speaker modules are placed overlappingly, However, the overlapping arrangement of the two structural speaker modules still makes the space occupied by the speaker modules too large.
  • the purpose of the present application is to provide a sound-generating unit and an electronic terminal, the sound-generating unit has better acoustic performance and a smaller volume.
  • a sound-producing unit including a basin frame with a receiving space, and a vibration system and a magnetic circuit system that are accommodated and fixed on the basin frame;
  • the magnetic circuit system includes a magnetic yoke fixed in the receiving space, a first magnetic circuit component supported and fixed on one side of the magnetic yoke, and a first magnetic circuit component supported and fixed on the magnetic yoke away from the first magnetic circuit component
  • a second magnetic circuit assembly on one side the first magnetic circuit assembly has a first magnetic gap
  • the second magnetic circuit assembly has a second magnetic gap
  • the magnetic yoke is correspondingly provided with a connection between the first magnetic gap and the the through hole of the second magnetic gap;
  • the vibration system includes a first vibration component fixed on the side of the basin frame close to the first magnetic circuit component, the first vibration component includes a first diaphragm covered on the basin frame and a first vibration film fixed on the basin frame.
  • the first diaphragm is close to the first voice coil on one side of the first magnetic circuit assembly, the first voice coil is suspended in the first magnetic gap and partially extends to the through hole;
  • the vibration system also includes a second vibration component fixed on the side of the basin frame close to the second magnetic circuit component, the second vibration component includes a second diaphragm covered on the basin frame and a the second diaphragm is close to the second voice coil on one side of the second magnetic circuit assembly, the second voice coil is suspended in the second magnetic gap and partially extends to the through hole;
  • the magnetic yoke is fixed at intervals between the first diaphragm and the second diaphragm, and the orthographic projections of the first voice coil and the second voice coil on the magnetic yoke do not overlap each other.
  • the first voice coil and the second voice coil at least partially overlap in a direction perpendicular to the axis of the through hole.
  • the first voice coil at least partially extends beyond the through hole and extends into the second magnetic gap
  • the second voice coil at least partially extends beyond the through hole and extends into the second magnetic gap in the first magnetic gap
  • the first magnetic circuit assembly includes a first main magnetic steel disposed in the center of one side of the magnetic yoke, disposed on one side of the magnetic yoke and surrounding the first main magnetic steel a first auxiliary magnet disposed to form the first magnetic gap, a first main pole core attached above the first main magnet, and a first main pole core surrounding the first main pole core and attached to the first main pole core a first secondary pole core on the secondary magnetic steel, the first voice coil is suspended in the first magnetic gap;
  • the second magnetic circuit assembly includes a second main magnetic steel disposed at the center of the side of the magnetic yoke away from the first magnetic circuit assembly, and disposed at the side of the magnetic yoke away from the first magnetic circuit assembly and a second auxiliary magnet disposed around the second main magnet to form the second magnetic gap, a second main pole core attached above the second main magnet, and a second main pole core surrounding the second main pole and attached to the second secondary pole core on the second secondary magnetic steel, and the second voice coil is suspended in the second magnetic gap.
  • the first auxiliary pole core includes a first pole core portion surrounding the first main pole core and attached to the first auxiliary magnetic steel, extending from the first pole core A first support portion formed by extending from the outer periphery of the first pole core portion toward the direction away from the magnetic yoke, and a plurality of first supporting portions extending from the outer periphery of the first pole core portion toward the magnetic yoke, the first vibration the assembly is fixed on the first bracket part;
  • the second secondary pole core includes a second pole core part surrounding the second main pole core and attached to the second secondary magnetic steel, and facing away from the outer periphery of the second pole core part a second support part extending in the direction of the magnetic yoke and a plurality of second support parts extending from the outer periphery of the second pole core part toward the magnetic yoke, the second vibration component is fixed to the second support On the part, the second support part abuts on the first support part.
  • the first diaphragm includes a first ring portion, a first fixing portion extending from the outer periphery of the first ring portion, and extending from the inner periphery of the first ring portion.
  • the top of the first ball, the first fixed part is fixed on the first bracket part, the top of the first ball abuts on the first voice coil;
  • the second diaphragm includes a second ring portion, a second fixing portion extending from the outer periphery of the second ring portion, and a second spherical top portion extending from the inner periphery of the second ring portion.
  • the second fixing part is fixed on the second bracket part, and the second ball top abuts on the second voice coil;
  • the first bracket part is provided on the second bracket part and combined to form the basin frame with the receiving space.
  • a loudspeaker module includes a housing with an accommodating space and the sound-emitting unit described in any of the above embodiments accommodated and fixed in the accommodating space;
  • the housing includes a pair of opposite and spaced apart a top wall and a bottom wall, and a surrounding wall surrounding the sounding unit, the top wall and the bottom wall are respectively connected on opposite sides of the surrounding wall and enclosed with the surrounding wall to form the accommodation space, a first front acoustic cavity is formed by the interval between the bottom wall and the first diaphragm, and a second front acoustic cavity is formed by the interval between the bottom wall and the second diaphragm;
  • a sound outlet hole is formed through the surrounding wall, the sound outlet hole includes a first sound outlet hole and a second sound outlet hole arranged at intervals, the first sound outlet hole is communicated with the first front sound cavity, and the The second sound outlet is communicated with the second front sound cavity, and the first sound outlet and the second sound outlet are located on the same side of the sound producing unit.
  • the surrounding wall includes an inner surrounding wall surrounding the basin frame, a surrounding wall spaced from the inner surrounding wall and surrounding the outer circumference of the inner surrounding wall, and a surrounding wall connected to the inner surrounding wall.
  • the connecting arm between the inner wall and the outer wall; the outer wall is enclosed with the top wall and the bottom wall to form the accommodating space; the inner wall and the top wall and the bottom wall connecting and dividing the accommodating space into a accommodating cavity for accommodating the sounding unit and an auxiliary sound cavity between the outer peripheral wall and the inner peripheral wall;
  • the sound outlet penetrates through the outer wall, the connecting arm and the inner wall in sequence, and the inner wall is also provided with a through hole connecting the accommodating cavity and the auxiliary sound cavity, and the through hole is connected to the inner wall.
  • the sound outlet holes are arranged at intervals.
  • the aperture of the first sound outlet hole and/or the aperture of the second sound outlet hole increases in a direction away from the sound-emitting unit.
  • the technical solution of the present application further provides an electronic terminal, including a terminal body and the sound-generating unit described in any of the above embodiments, and the sound-generating unit is provided on the terminal body.
  • the beneficial effect of the present application is that, by fixing the first magnetic circuit assembly and the second magnetic circuit assembly on both sides of one magnetic yoke, the sound generating unit in this embodiment reduces the space occupied by one magnetic yoke, thereby enabling the present embodiment
  • the sound-generating unit in this example has a smaller volume and better acoustic performance. Since the first voice coil and the second voice coil are respectively partially penetrated in the through hole, at least the height of the part of the first voice coil and the second voice coil penetrated in the through hole does not need to be calculated in the whole sounding unit. In terms of thickness, the thickness of the speaker module in this embodiment is made thinner.
  • the speaker module using the above-mentioned sound-generating unit reduces the thickness of one casing, thereby making the volume of the speaker module smaller.
  • FIG. 1 is a schematic diagram of the overall structure of a speaker module according to an embodiment of the application.
  • Fig. 2 is the overall structure schematic diagram of the sounding monomer in Fig. 1;
  • Fig. 3 is the exploded schematic diagram of the sounding monomer in Fig. 2;
  • Fig. 4 is the sectional view along A-A of Fig. 1;
  • Fig. 5 is the structural representation of the part in Fig. 2;
  • FIG. 6 is a schematic structural diagram of the first voice coil and the second voice coil in FIG. 2;
  • FIG. 7 is an exploded schematic view of the housing in FIG. 1;
  • Fig. 8 is the partial structure schematic diagram in Fig. 7;
  • FIG. 9 is a schematic diagram of an overall structure of an electronic terminal according to an embodiment of the present application.
  • the speaker module 1 in this embodiment includes a housing 10 having an accommodating space 11 and a housing 10 that is accommodated and fixed in the accommodating space 11 . sounding unit 20 inside.
  • the sound-generating unit 20 in this embodiment includes a basin frame having a receiving space, and a vibration system and a magnetic circuit system that are accommodated and fixed on the basin frame.
  • the magnetic circuit system includes a magnetic yoke 21 fixed in the receiving space, a first magnetic circuit assembly 22 supported and fixed on one side of the magnetic yoke 21 , a first magnetic circuit assembly 22 supported and fixed on the magnetic yoke 21 away from the first magnetic
  • the vibration system includes a first vibration component 24 fixed on the side of the basin frame close to the first magnetic circuit component 22 , and the first vibration component 24 includes a first diaphragm 241 covered on the basin frame and fixed on the side of the basin frame.
  • the first voice coil 242 On the first voice coil 242 on the side of the first diaphragm 241 close to the first magnetic circuit assembly 22 , the first voice coil 242 is suspended in the first magnetic gap 222 and partially extends to the through hole 211 .
  • the vibration system further includes a second vibration component 25 fixed on the side of the basin frame close to the second magnetic circuit component 23 , the second vibration component 25 includes a second diaphragm 251 covered on the basin frame and The second voice coil 252 is fixed on the side of the second diaphragm 251 close to the second magnetic circuit assembly 23 .
  • the second voice coil 252 is suspended in the second magnetic gap 232 and partially extends to the through hole 211 .
  • the yoke 21 is fixed between the first diaphragm 241 and the second diaphragm 251 at intervals, and the orthographic projections of the first voice coil 242 and the second voice coil 252 on the yoke 21 do not overlap each other .
  • the speaker module 1 in this embodiment has Two vibrating components, enabling improved acoustic performance.
  • the speaker module 1 in this embodiment not only reduces the space occupied by one housing 10 .
  • the sound generating unit 20 in this embodiment reduces the space occupied by one magnetic yoke 21, thereby making this embodiment possible.
  • the volume of the sound-generating unit 20 in the example is smaller, and at the same time, the acoustic performance is better.
  • the first voice coil 242 and the second voice coil 252 respectively have a part that penetrates through the through hole 211 , at least the height of the part of the first voice coil 242 and the second voice coil 252 that penetrates into the through hole 211 There is no need to calculate the overall thickness of the sounding unit 20, so that the thickness of the speaker module 1 in this embodiment is thinner.
  • the loudspeaker module 1 in this embodiment is preferably a small-amplitude loudspeaker module 1, so that distortion or reliability failure of the large-amplitude loudspeaker module 1 can be avoided.
  • the first magnetic circuit assembly 22 and the second magnetic circuit assembly 23 are arranged symmetrically with respect to the magnetic yoke 21 , and the first diaphragm 241 and the second diaphragm 251 are arranged symmetrically with respect to the magnetic yoke 21 .
  • the first voice coil 242 and the second voice coil 252 at least partially overlap in a direction perpendicular to the axis of the through hole 211 . This further reduces the thickness of the sounding unit 20 in this embodiment.
  • the first voice coil 242 at least partially extends beyond the through hole 211 and extends into the second magnetic gap 232
  • the second voice coil 252 at least partially extends beyond the through hole 211 and extends into the first magnetic gap 222 .
  • the first voice coil 242 in this embodiment is not only affected by the first magnetic circuit assembly 22, but also can be affected by the second magnetic circuit assembly 23.
  • the second voice coil 252 in this embodiment is not only affected by the action of the second magnetic circuit assembly 23.
  • the function of the second magnetic circuit assembly 23 can also be affected by the function of the first magnetic circuit assembly 22, thereby improving the magnetic circuit utilization rate of the sound generating unit 20 in this embodiment, so that the forehead speaker module 1 in this embodiment has a Better acoustic performance.
  • the first magnetic circuit assembly 22 includes a first main magnet 221 disposed at the center of one side of the yoke 21 , disposed on one side of the yoke 21 and surrounding the first main magnet 221 .
  • a main magnetic steel 221 is disposed to form the first auxiliary magnetic steel 223 of the first magnetic gap 222 , the first main pole core 224 attached above the first main magnetic steel 221 , and the first main pole core 224 surrounding and attached to the first main pole core 224 .
  • the first secondary pole core 225 on the first secondary magnetic steel 223 .
  • the second magnetic circuit assembly 23 includes a second main magnet 231 disposed at the center of the other side of the yoke 21 , disposed on the other side of the yoke 21 and The second auxiliary magnet 233 disposed around the second main magnet 231 to form the second magnetic gap 232, the second main pole core 234 attached above the second main magnet 231, and the second main pole core 234 surrounding the second main pole core 234 and attached The second secondary pole core 235 attached to the second secondary magnet steel 233 .
  • the first secondary pole core 225 includes a first pole core portion 2251 surrounding the first main pole core 224 and attached to the first secondary magnetic steel 223 .
  • a first support portion 2252 extending from the outer periphery of the 2251 toward the direction away from the magnetic yoke 21 and a plurality of first supporting portions 2253 extending from the outer periphery of the first pole core portion 2251 toward the magnetic yoke 21, the first vibration component 24 is fixed On the first bracket portion 2252 , specifically, the first diaphragm 241 is fixed on the first bracket portion 2252 .
  • the first secondary pole core 225 is designed according to the above-mentioned structure, the first pole core part 2251 is arranged corresponding to the first main pole core 224, and the first support part 2252 supports the first vibration component 24, so that the The structure of the sound generating unit 20 in the embodiment is simpler.
  • the first bracket portion 2252 is annular.
  • the first diaphragm 241 includes a first folded ring portion 2411 , a first fixed portion 2412 extending from the outer periphery of the first folded ring portion 2411 , and an inner portion from the first folded ring portion 2411 .
  • the first ball top 2413 is formed by extending from the periphery.
  • the first fixing portion 2412 is fixed on the first bracket portion 2252 , and the first ball top 2413 abuts on the first voice coil 242 .
  • the second secondary pole core 235 includes a second pole core portion 2351 surrounding the second main pole core 234 and attached to the second secondary magnetic steel 233 .
  • a second support portion 2352 extending from the outer periphery of the pole core portion 2351 toward the direction away from the magnetic yoke 21 and a plurality of second supporting portions 2353 extending from the outer periphery of the second pole core portion 2351 toward the magnetic yoke 21, the second vibration
  • the assembly 25 is fixed on the second bracket part 2352 , specifically, the second diaphragm 251 is fixed on the second bracket part 2352 , and the second support part 2353 abuts on the first support part 2253 .
  • the second secondary pole core 235 is designed according to the above structure, the second pole core part 2351 is arranged corresponding to the second main pole core 234, and the second support part 2352 supports the second vibration component 25, so that the The structure of the sound generating unit 20 in the embodiment is simpler.
  • the first bracket part 2252 is arranged on the second bracket part 2352 to form a basin frame with a receiving space.
  • the second diaphragm 251 includes a second folded ring portion 2511 , a second fixed portion 2512 extending from the outer periphery of the second folded ring portion 2511 , and an inner portion from the second folded ring portion 2511 .
  • the second spherical top portion 2513 is formed by extending from the peripheral edge.
  • the second fixing portion 2512 is fixed on the second bracket portion 2352 , and the second spherical top portion 2513 abuts on the second voice coil 252 .
  • the second bracket portion 2352 is annular.
  • first secondary pole core 225 and the second secondary pole core 235 are symmetrically arranged with respect to the magnetic yoke 21 .
  • one side of the magnetic yoke 21 and the other side of the magnetic yoke 21 are opposite sides of the magnetic yoke 21 .
  • the housing 10 includes a top wall 13 and a bottom wall 12 that are opposite and spaced apart from each other, and a surrounding wall 14 surrounding the sounding unit 20 .
  • the top wall 13 and the bottom wall 12 are respectively connected to the surrounding wall 14
  • the space 11 is formed by the two opposite sides and the surrounding wall 14.
  • the first front acoustic cavity 131 is formed by the interval between the bottom wall 12 and the first diaphragm 241, and the first acoustic cavity 131 is formed by the interval between the bottom wall 12 and the second diaphragm 251.
  • Two front acoustic chambers 121 Two front acoustic chambers 121 .
  • sound holes are formed through the surrounding wall 14 , and the sound holes include a first sound hole 141 and a second sound hole 142 arranged at intervals, and the first sound hole 141 and the first front sound cavity. 131, the second sound outlet 142 communicates with the second front sound cavity 121, and the first sound outlet 141 and the second sound outlet 142 are located on the same side of the sound producing unit 20.
  • the surrounding wall 14 includes an inner surrounding wall 143 surrounding the basin frame, a surrounding wall 144 disposed at intervals from the inner surrounding wall 143 and surrounding the outer periphery of the inner surrounding wall 143 , and a surrounding wall 143 connected to the inner surrounding wall 143 .
  • the accommodating cavity 151 and the through holes 211 of the auxiliary sound cavity 152 are arranged at intervals from the through holes 211 and the sound outlet holes.
  • the diameter of the first sound exit hole 141 and/or the diameter of the second sound exit hole 142 increases in the direction away from the sound generating unit 20 .
  • the electronic terminal includes a terminal body 3 and the speaker module 1 in any of the above embodiments.
  • the speaker module 1 is disposed on the terminal body 3 .
  • the speaker module 1 in the embodiment by accommodating the first vibration component 24, the second vibration component 25 and the magnetic circuit system in the housing 10, the speaker module 1 has two vibration systems, so that the acoustic performance can be improved.
  • the loudspeaker module 1 not only reduces the space occupied by a housing 10, but also reduces the space occupied by a magnetic yoke 21, thereby making the volume of the loudspeaker module 1 smaller and at the same time, the acoustic performance is better, so in this embodiment The acoustic performance of the electronic terminal is better, and it is not necessary to set the thickness of the electronic terminal in this embodiment to be too large.

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

Abstract

本申请提供了扬声器模组及电子终端，包括具有收容空间的壳体以及收容固定于壳体的发声单体；发声单体包括磁轭、第一磁路组件、第二磁路组件、第一振动系统以及第二振动系统；第一振动系统包括第一振膜和第一音圈，第一振膜固定于第一磁路组件上，第二振动系统包括第二振膜和驱动第二振膜振动发声的第二音圈，第二振膜固定于第二磁路组件上，磁轭设于第一音圈和第二音圈之间；磁轭上开设有通孔，第一音圈包括第一环部以及自第一环部朝向磁轭的一端凸设形成的第一重叠部，第二音圈包括第二环部以及自第二环部朝向磁轭的一端凸设形成的第二重叠部，第一重叠部和第二重叠部分别穿设于通孔内且第一重叠部和第二重叠部在垂直于通孔轴线的方向间隔设置。

Description

发声单体及电子终端 技术领域
本申请涉及电声领域，尤其涉及一种发声单体及电子终端。
 背景技术
动终端的要求也越来越高，其中之一便是要求高品质的音质功能。
 技术问题
相关技术中的扬声器模组结构较为复杂，导致其厚度过大，造成终端的厚度过大，不能顺应终端的厚度越来越薄的发展趋势，相关技术中将两个小型扬声器模组重叠放置，但是通过两个结构扬声器模组重叠放置的方式依旧使得扬声器模组所占的空间太大。
因此，有必要提供一种新型的发声单体及电子终端来解决上述问题。
 技术解决方案
本申请的目的在于提供一种发声单体及电子终端，该发声单体声学性能更佳，且体积更小。
为解决上述技术问题，本申请的技术方案如下：一种发声单体，包括具有收容空间的盆架以及收容固定于所述盆架的振动系统和磁路系统；
所述磁路系统包括固定于所述收容空间内的磁轭、支撑并固定于所述磁轭一侧的第一磁路组件、支撑并固定于所述磁轭背离所述第一磁路组件一侧的第二磁路组件，所述第一磁路组件具有第一磁间隙，所述第二磁路组件具有第二磁间隙，所述磁轭对应开设有连通所述第一磁间隙于所述第二磁间隙的通孔；
所述振动系统包括固定于所述盆架靠近所述第一磁路组件一侧的第一振动组件，所述第一振动组件包括盖设于所述盆架的第一振膜以及固定于所述第一振膜靠近所述第一磁路组件一侧的第一音圈，所述第一音圈悬置于所述第一磁间隙内并部分延伸至所述通孔；
所述振动系统还包括固定于所述盆架靠近所述第二磁路组件一侧的第二振动组件，所述第二振动组件包括盖设于所述盆架的第二振膜以及固定于所述第二振膜靠近所述第二磁路组件一侧的第二音圈，所述第二音圈悬置于所述第二磁间隙内并部分延伸至所述通孔；
所述磁轭间隔固定于所述第一振膜与所述第二振膜之间，所述第一音圈及所述第二音圈在所述磁轭上的正投影互不重叠。
作为本申请的一个实施例，所述第一音圈和所述第二音圈在垂直于所述通孔轴线的方向上至少部分重叠。
作为本申请的一个实施例，所述第一音圈至少部分超出所述通孔并延伸至所述第二磁间隙内，所述第二音圈至少部分超出所述通孔并延伸至所述第一磁间隙内。
作为本申请的一个实施例，所述第一磁路组件包括设置于所述磁轭一侧中央的第一主磁钢、设置于所述磁轭一侧上并环绕所述第一主磁钢设置以形成所述第一磁间隙的第一副磁钢、贴附于所述第一主磁钢上方的第一主极芯以及环绕所述第一主极芯并贴附在所述第一副磁钢上的第一副极芯，所述第一音圈悬置于所述第一磁间隙内；
所述第二磁路组件包括设置于所述磁轭背离所述第一磁路组件一侧的中央的第二主磁钢、设置于所述磁轭背离所述第一磁路组件一侧并环绕所述第二主磁钢设置以形成所述第二磁间隙的第二副磁钢、贴附于所述第二主磁钢上方的第二主极芯以及环绕所述第二主极芯并贴附在所述第二副磁钢上的第二副极芯，所述第二音圈悬置于所述第二磁间隙内。
作为本申请的一个实施例，所述第一副极芯包括环绕所述第一主极芯并贴附在所述第一副磁钢上的第一极芯部、自所述第一极芯部的外周缘朝向远离所述磁轭的方向延伸形成的第一支架部以及自所述第一极芯部的外周缘朝向所述磁轭延伸形成的若干第一支撑部，所述第一振动组件固定于所述第一支架部上；
所述第二副极芯包括环绕所述第二主极芯并贴附在所述第二副磁钢上的第二极芯部、自所述第二极芯部的外周缘朝向远离所述磁轭的方向延伸形成的第二支架部以及自所述第二极芯部的外周缘朝向所述磁轭延伸形成的若干第二支撑部，所述第二振动组件固定于所述第二支架部上，所述第二支撑部抵接在所述第一支撑部上。
作为本申请的一个实施例，所述第一振膜包括第一折环部、自所述第一折环部外周缘延伸形成的第一固定部及自所述第一折环部内周缘延伸形成的第一球顶部，所述第一固定部固定于所述第一支架部上，所述第一球顶部抵接在所述第一音圈上；
所述第二振膜包括第二折环部、自所述第二折环部外周缘延伸形成的第二固定部及自所述第二折环部内周缘延伸形成的第二球顶部，所述第二固定部固定于所述第二支架部上，所述第二球顶部抵接在所述第二音圈上；
所述第一支架部设在所述第二支架部上组合形成具有所述收容空间的所述盆架。
一种扬声器模组，包括具有容置空间的壳体以及收容并固定于所述容置空间内的如上任一实施例中所述的发声单体；所述壳体包括与相对且间隔设置的顶壁与底壁、以及环绕所述发声单体的围壁，所述顶壁与所述底壁分别连接在所述围壁的相对两侧并与所述围壁围合形成所述容置空间，所述底壁与所述第一振膜之间间隔形成第一前声腔，所述底壁与所述第二振膜之间间隔形成第二前声腔；
所述围壁贯穿开设有出声孔，所述出声孔包括间隔设置的第一出声孔和第二出声孔，所述第一出声孔与所述第一前声腔连通，所述第二出声孔与所述第二前声腔连通，所述第一出声孔与所述第二出声孔位于所述发声单体的同一侧。
作为本申请的一个实施例，所述围壁包括环绕所述盆架的内围壁、与所述内围壁间隔设置且绕设在所述内围壁外周的外围壁、以及连接在所述内围壁与外围壁之间的连接臂；所述外围壁与所述顶壁及所述底壁围合形成所述容置空间；所述内围壁与所述顶壁及所述底壁连接并将所述收容空间分隔成收容所述发声单体的容纳腔以及位于所述外围壁与所述内围壁之间的辅助声腔；
所述出声孔依次贯穿所述外围壁、所述连接臂及所述内围壁，所述内围壁还开设有连接所述容纳腔与所述辅助声腔的通孔，所述通孔与所述出声孔间隔设置。
作为本申请的一个实施例，所述第一出声孔的孔径和/或所述第二出声孔的孔径朝远离所述发声单体的方向增大。
本申请的技术方案还提供一种电子终端，包括终端本体和如上任一实施例中所述的发声单体，所述发声单体设置在所述终端本体上。
 有益效果
本申请的有益效果在于，通过在一个磁轭的两侧分别固定第一磁路组件和第二磁路组件，本实施例中的发声单体减少一个磁轭所占的空间，进而使本实施例中的发声单体的体积更小的同时，声学性能更佳。由于第一音圈和第二音圈分别具有部分穿设于通孔内，从而至少使得第一音圈和第二音圈穿设在通孔内的部分的高度无需计算在发声单体的整体厚度上，使得本实施例中的扬声器模组的厚度更薄。
此外，使用上述发声单体的扬声器模组相较于相关技术中将两个扬声器模组叠加放置的方式，减少一个壳体的厚度，从容使扬声器模组的体积更小。
 附图说明
图1为本申请一实施例的扬声器模组的整体结构示意图；
图2为图1中的发声单体的整体结构示意图；
图3为图2中的发声单体的分解示意图；
图4为图1沿A-A处的剖视图；
图5为图2中的部分的结构示意图；
图6为图2中的第一音圈和第二音圈的结构示意图；
图7为图1中的壳体的分解示意图；
图8为图7中的部分结构示意图；
图9为本申请一实施例的电子终端的整体结构示意图。
 本发明的实施方式
为进一步说明各实施例，本申请提供有附图。这些附图为本申请揭露内容的一部分，其主要用以说明实施例，并可配合说明书的相关描述来解释实施例的运作原理。配合参考这些内容，本领域普通技术人员应能理解其他可能的实施方式以及本申请的优点。图中的组件并未按比例绘制，而类似的组件符号通常用来表示类似的组件。
下面结合附图和实施方式对本申请作进一步说明。
请参考图1-图8，本申请一实施例提供了一种扬声器模组1，本实施例中的扬声器模组1包括具有容置空间11的壳体10以及收容并固定于容置空间11内的发声单体20。
请参考图3，本实施例中的发声单体20包括具有收容空间的盆架以及收容固定于盆架的振动系统和磁路系统。
请参考图3以及图4，磁路系统包括固定于收容空间内的磁轭21、支撑并固定于磁轭21一侧的第一磁路组件22、支撑并固定于磁轭21背离第一磁路组件22一侧的第二磁路组件23，第一磁路组件22具有第一磁间隙222，第二磁路组件23具有第二磁间隙232，磁轭21对应开设有连通第一磁间隙222于第二磁间隙232的通孔211。
请参考图3-图6，振动系统包括固定于盆架靠近第一磁路组件22一侧的第一振动组件24，第一振动组件24包括盖设于盆架的第一振膜241以及固定于第一振膜241靠近第一磁路组件22一侧的第一音圈242，第一音圈242悬置于第一磁间隙222内并部分延伸至通孔211。
请参考图3-图6，振动系统还包括固定于盆架靠近第二磁路组件23一侧的第二振动组件25，第二振动组件25包括盖设于盆架的第二振膜251以及固定于第二振膜251靠近第二磁路组件23一侧的第二音圈252，第二音圈252悬置于第二磁间隙232内并部分延伸至通孔211。
请参考图4-图6，磁轭21间隔固定于第一振膜241与第二振膜251之间，第一音圈242及第二音圈252在磁轭21上的正投影互不重叠。
本实施例中，通过将第一振动组件24、第二振动组件25、第一磁路组件22以及第二磁路组件23收容于壳体10内，使得本实施例中的扬声器模组1具有两个振动组件，从而能够提高声学性能。
另外，相较于相关技术中将两个扬声器模组1叠加放置的方式，本实施例中的扬声器模组1不仅减少一个壳体10所占的空间。
以及，通过在一个磁轭21的两侧分别固定第一磁路组件22和第二磁路组件23，本实施例中的发声单体20减少一个磁轭21所占的空间，进而使本实施例中的发声单体20的体积更小的同时，声学性能更佳。而且，由于第一音圈242和第二音圈252分别具有部分穿设于通孔211内，从而至少使得第一音圈242和第二音圈252穿设在通孔211内的部分的高度无需计算在发声单体20的整体厚度上，使得本实施例中的扬声器模组1的厚度更薄。
需要说明的是，本实施例中的扬声器模组1优选为小振幅扬声器模组1，从而可以避免大振幅扬声器模组1失真或可靠性失效。
请参考图4，优选地，第一磁路组件22和第二磁路组件23关于磁轭21对称设置，第一振膜241和第二振膜251关于磁轭21对称设置。
请参考图4-图6，在一实施例中，第一音圈242和第二音圈252在垂直于通孔211轴线的方向上至少部分重叠。进而使得本实施例中的发声单体20的厚度进一步减小。
第一音圈242至少部分超出通孔211并延伸至第二磁间隙232内，第二音圈252至少部分超出通孔211并延伸至第一磁间隙222内。进而使得本实施例中的第一音圈242不仅受第一磁路组件22的作用，还能够受到第二磁路组件23的作用，同样，使得本实施例中的第二音圈252不仅受第二磁路组件23的作用，还能够受到第一磁路组件22的作用，进而提高了本实施例中的发声单体20的磁路利用率，使得本实施例中额扬声器模组1的声学性能更佳。
请参考图3以及图4，在一实施例中，第一磁路组件22包括设置于磁轭21的一侧中央的第一主磁钢221、设置于磁轭21的一侧上并环绕第一主磁钢221设置以形成第一磁间隙222的第一副磁钢223、贴附于第一主磁钢221上方的第一主极芯224以及环绕第一主极芯224并贴附在第一副磁钢223上的第一副极芯225。
请参考图3以及图4，在一实施例中，第二磁路组件23包括设置于磁轭21的另一侧中央的第二主磁钢231、设置于磁轭21的另一侧上并环绕第二主磁钢231设置以形成第二磁间隙232的第二副磁钢233、贴附于第二主磁钢231上方的第二主极芯234以及环绕第二主极芯234并贴附在第二副磁钢233上的第二副极芯235。
请参考图3，在一实施例中，第一副极芯225包括环绕第一主极芯224并贴附在第一副磁钢223上的第一极芯部2251、自第一极芯部2251的外周缘朝向远离磁轭21的方向延伸形成的第一支架部2252以及自第一极芯部2251的外周缘朝向磁轭21延伸形成的若干第一支撑部2253，第一振动组件24固定于第一支架部2252上，具体地，第一振膜241固定于第一支架部2252上。本实施例中，通过对第一副极芯225按上述结构设计，通过第一极芯部2251与第一主极芯224对应设置，通过第一支架部2252支撑第一振动组件24，使本实施例中的发声单体20的结构更为简单。
优选地，第一支架部2252呈环形。
请参考图3以及图4，具体地，第一振膜241包括第一折环部2411、自第一折环部2411外周缘延伸形成的第一固定部2412及自第一折环部2411内周缘延伸形成的第一球顶部2413，第一固定部2412固定于第一支架部2252上，第一球顶部2413抵接在第一音圈242上。
请参考图3以及图4，在一实施例中，第二副极芯235包括环绕第二主极芯234并贴附在第二副磁钢233上的第二极芯部2351、自第二极芯部2351的外周缘朝向远离磁轭21的方向延伸形成的第二支架部2352以及自第二极芯部2351的外周缘朝向磁轭21延伸形成的若干第二支撑部2353，第二振动组件25固定于第二支架部2352上，具体地，第二振膜251固定于第二支架部2352上，第二支撑部2353抵接在第一支撑部2253上。本实施例中，通过对第二副极芯235按上述结构设计，通过第二极芯部2351与第二主极芯234对应设置，通过第二支架部2352支撑第二振动组件25，使本实施例中的发声单体20的结构更为简单。
第一支架部2252设在第二支架部2352上组合形成具有收容空间的盆架。
请参考图3以及图4，具体地，第二振膜251包括第二折环部2511、自第二折环部2511外周缘延伸形成的第二固定部2512及自第二折环部2511内周缘延伸形成的第二球顶部2513，第二固定部2512固定于第二支架部2352上，第二球顶部2513抵接在第二音圈252上。
优选地，第二支架部2352呈环形。
具体地，第一副极芯225与第二副极芯235关于磁轭21对称设置。
需要说明的是，上述实施例中的磁轭21的一侧和磁轭21的另一侧是磁轭21相对的两侧。
请参考图7以及图8，壳体10包括与相对且间隔设置的顶壁13与底壁12、以及环绕发声单体20的围壁14，顶壁13与底壁12分别连接在围壁14的相对两侧并与围壁14围合形成容置空间11，底壁12与第一振膜241之间间隔形成第一前声腔131，底壁12与第二振膜251之间间隔形成第二前声腔121。
请参考图7以及图8，围壁14贯穿开设有出声孔，出声孔包括间隔设置的第一出声孔141和第二出声孔142，第一出声孔141与第一前声腔131连通，第二出声孔142与第二前声腔121连通，第一出声孔141与第二出声孔142位于发声单体20的同一侧。
请参考图7以及图8，围壁14包括环绕盆架的内围壁143、与内围壁143间隔设置且绕设在内围壁143外周的外围壁144、以及连接在内围壁143与外围壁144之间的连接臂145；外围壁144与顶壁13及底壁12围合形成容置空间11；内围壁143与顶壁13及底壁12连接并将收容空间分隔成收容发声单体20的容纳腔151以及位于外围壁144与内围壁143之间的辅助声腔152，出声孔依次贯穿外围壁144、连接臂145及内围壁143，内围壁143还开设有连接容纳腔151与辅助声腔152的通孔211，通孔211与出声孔间隔设置。
优选地，第一出声孔141的孔径和/或第二出声孔142的孔径朝远离发声单体20的方向增大。
请参考图9，本申请另一实施例提供了一种电子终端，该电子终端包括终端本体3以及如上任一实施例中的扬声器模组1，扬声器模组1设置在终端本体3上，上述实施例中的扬声器模组1中，通过将第一振动组件24、第二振动组件25以及磁路系统收容于壳体10内，使得扬声器模组1具有两个振动系统，从而能够提高声学性能，另外，通过在一个磁轭21的两侧分别固定第一磁路组件22和第二磁路组件23，相较于相关技术中将两个扬声器模组1叠加放置的方式，本实施例中的扬声器模组1不仅减少一个壳体10所占的空间，还减少一个磁轭21所占的空间，进而使扬声器模组1的体积更小的同时，声学性能更佳，从而本实施例中的电子终端声学性能更佳，且不必将本实施例中的电子终端的厚度设置过大。
以上的仅是本申请的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本申请创造构思的前提下，还可以做出改进，但这些均属于本申请的保护范围。

Claims (10)

  1. 一种发声单体，其特征在于：包括具有收容空间的盆架以及收容固定于所述盆架的振动系统和磁路系统；
    所述磁路系统包括固定于所述收容空间内的磁轭、支撑并固定于所述磁轭一侧的第一磁路组件、支撑并固定于所述磁轭背离所述第一磁路组件一侧的第二磁路组件，所述第一磁路组件具有第一磁间隙，所述第二磁路组件具有第二磁间隙，所述磁轭对应开设有连通所述第一磁间隙于所述第二磁间隙的通孔；
    所述振动系统包括固定于所述盆架靠近所述第一磁路组件一侧的第一振动组件，所述第一振动组件包括盖设于所述盆架的第一振膜以及固定于所述第一振膜靠近所述第一磁路组件一侧的第一音圈，所述第一音圈悬置于所述第一磁间隙内并部分延伸至所述通孔；
    所述振动系统还包括固定于所述盆架靠近所述第二磁路组件一侧的第二振动组件，所述第二振动组件包括盖设于所述盆架的第二振膜以及固定于所述第二振膜靠近所述第二磁路组件一侧的第二音圈，所述第二音圈悬置于所述第二磁间隙内并部分延伸至所述通孔；
    所述磁轭间隔固定于所述第一振膜与所述第二振膜之间，所述第一音圈及所述第二音圈在所述磁轭上的正投影互不重叠。
  2. 根据权利要求1所述的发声单体，其特征在于：所述第一音圈和所述第二音圈在垂直于所述通孔轴线的方向上至少部分重叠。
  3. 根据权利要求1所述的发声单体，其特征在于：所述第一音圈至少部分超出所述通孔并延伸至所述第二磁间隙内，所述第二音圈至少部分超出所述通孔并延伸至所述第一磁间隙内。
  4. 根据权利要求1所述的发声单体，其特征在于：所述第一磁路组件包括设置于所述磁轭一侧中央的第一主磁钢、设置于所述磁轭一侧上并环绕所述第一主磁钢设置以形成所述第一磁间隙的第一副磁钢、贴附于所述第一主磁钢上方的第一主极芯以及环绕所述第一主极芯并贴附在所述第一副磁钢上的第一副极芯；
    所述第二磁路组件包括设置于所述磁轭背离所述第一磁路组件一侧的中央的第二主磁钢、设置于所述磁轭背离所述第一磁路组件一侧并环绕所述第二主磁钢设置以形成所述第二磁间隙的第二副磁钢、贴附于所述第二主磁钢上方的第二主极芯以及环绕所述第二主极芯并贴附在所述第二副磁钢上的第二副极芯。
  5. 根据权利要求4所述的发声单体，其特征在于：所述第一副极芯包括环绕所述第一主极芯并贴附在所述第一副磁钢上的第一极芯部、自所述第一极芯部的外周缘朝向远离所述磁轭的方向延伸形成的第一支架部以及自所述第一极芯部的外周缘朝向所述磁轭延伸形成的若干第一支撑部，所述第一振动组件固定于所述第一支架部上；
    所述第二副极芯包括环绕所述第二主极芯并贴附在所述第二副磁钢上的第二极芯部、自所述第二极芯部的外周缘朝向远离所述磁轭的方向延伸形成的第二支架部以及自所述第二极芯部的外周缘朝向所述磁轭延伸形成的若干第二支撑部，所述第二振动组件固定于所述第二支架部上，所述第二支撑部抵接在所述第一支撑部上。
  6. 根据权利要求5所述的发声单体，其特征在于：所述第一振膜包括第一折环部、自所述第一折环部外周缘延伸形成的第一固定部及自所述第一折环部内周缘延伸形成的第一球顶部，所述第一固定部固定于所述第一支架部上，所述第一球顶部抵接在所述第一音圈上；
    所述第二振膜包括第二折环部、自所述第二折环部外周缘延伸形成的第二固定部及自所述第二折环部内周缘延伸形成的第二球顶部，所述第二固定部固定于所述第二支架部上，所述第二球顶部抵接在所述第二音圈上；
    所述第一支架部设在所述第二支架部上组合形成具有所述收容空间的所述盆架。
  7. 一种扬声器模组，其特征在于，包括具有容置空间的壳体以及收容并固定于所述容置空间内的如权利要求1-6中任一项所述的发声单体；所述壳体包括与相对且间隔设置的顶壁与底壁、以及环绕所述发声单体的围壁，所述顶壁与所述底壁分别连接在所述围壁的相对两侧并与所述围壁围合形成所述容置空间，所述底壁与所述第一振膜之间间隔形成第一前声腔，所述底壁与所述第二振膜之间间隔形成第二前声腔；
    所述围壁贯穿开设有出声孔，所述出声孔包括间隔设置的第一出声孔和第二出声孔，所述第一出声孔与所述第一前声腔连通，所述第二出声孔与所述第二前声腔连通，所述第一出声孔与所述第二出声孔位于所述发声单体的同一侧。
  8. 根据权利要求7所述的扬声器模组，其特征在于：所述围壁包括环绕所述盆架的内围壁、与所述内围壁间隔设置且绕设在所述内围壁外周的外围壁、以及连接在所述内围壁与外围壁之间的连接臂；所述外围壁与所述顶壁及所述底壁围合形成所述容置空间；所述内围壁与所述顶壁及所述底壁连接并将所述收容空间分隔成收容所述发声单体的容纳腔以及位于所述外围壁与所述内围壁之间的辅助声腔；
    所述出声孔依次贯穿所述外围壁、所述连接臂及所述内围壁，所述内围壁还开设有连接所述容纳腔与所述辅助声腔的通孔，所述通孔与所述出声孔间隔设置。
  9. 根据权利要求8所述的扬声器模组，其特征在于：所述第一出声孔的孔径和/或所述第二出声孔的孔径朝远离所述发声单体的方向增大。
  10. 一种电子终端，其特征在于：包括终端本体以及如上权利要求1-9中任一项所述的扬声器模组，所述扬声器模组设置在所述终端本体上。
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