WO2020228051A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2020228051A1
WO2020228051A1 PCT/CN2019/087602 CN2019087602W WO2020228051A1 WO 2020228051 A1 WO2020228051 A1 WO 2020228051A1 CN 2019087602 W CN2019087602 W CN 2019087602W WO 2020228051 A1 WO2020228051 A1 WO 2020228051A1
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Prior art keywords
magnetic
block
main
component
circuit
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PCT/CN2019/087602
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English (en)
French (fr)
Inventor
宋威
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瑞声声学科技(深圳)有限公司
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Publication of WO2020228051A1 publication Critical patent/WO2020228051A1/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the invention relates to the technical field of electro-acoustic conversion, in particular to a loudspeaker.
  • speakers With the rapid development of technology, the popularity of speakers is getting higher and higher. People's requirements for speakers are not only limited to the playback of video and audio, but also have higher requirements for the sound quality and reliability of the sound played by the speakers.
  • the speakers are directly related to The sound quality of the playback sound is good or bad and the product is stable.
  • the magnetic circuit of the magnetic circuit system has low magnetic field strength in the magnetic gap formed between the main magnetic steel and the secondary magnetic steel, resulting in poor acoustic performance.
  • the purpose of the present invention is to provide a speaker, which aims to solve the problem of poor acoustic performance of the product due to the low magnetic field intensity generated by the magnetic circuit system in the speaker in the prior art.
  • a speaker including a base having a storage space, a vibration system contained in the base, and a magnetic circuit system contained in the base and driving the vibration system to emit sound.
  • the system includes a diaphragm component and a voice coil that drives the diaphragm component to vibrate;
  • the magnetic circuit system includes a first magnetic permeable block arranged in the base, and a main magnetic component fixed on the first magnetic permeable block , A secondary magnetic component fixed on the first magnetic permeable block and arranged around the outer periphery of the main magnetic component, and a second magnetic permeable block covering the main magnetic component and the secondary magnetic component, the main magnetic component Forming a magnetic gap with the auxiliary magnetic component, and the voice coil is placed in the magnetic gap;
  • the main magnetic component, the secondary magnetic component and the first magnetic permeable block constitute a first magnetic circuit that passes through the magnetic gap
  • the main magnetic component, the secondary magnetic component and the second magnetic permeable block constitute a first magnetic circuit that passes through the magnetic gap.
  • the second magnetic circuit of the gap, the direction of the magnetic circuit of the first magnetic circuit is opposite to that of the second magnetic circuit.
  • the main magnetic assembly includes a first main magnet placed on the first magnetically permeable block, an inner magnetically permeable block placed on the first main magnet, and a The second main magnet between the block and the second magnetic conductive block;
  • the secondary magnetic assembly includes a first secondary magnetic steel placed on the first magnetic conductive block, an outer magnetic conductive block placed on the first secondary magnetic steel, and a The second secondary magnetic steel between the second magnetic conductive blocks;
  • the magnetic poles of the first main magnet against the inner magnetic block are the same as the magnetic poles of the second main magnet against the inner magnetic block, and the second auxiliary magnet is against
  • the magnetic pole on one side of the outer magnetic conductive block is the same as the magnetic pole on the side of the first auxiliary magnetic steel sticking to the outer magnetic conductive block, and the second auxiliary magnetic steel sticking to the side of the outer magnetic conductive block
  • the magnetic pole of is opposite to the magnetic pole of the second main magnetic steel on the side of the inner magnetic conductive block;
  • the first main magnet, the inner magnetic block, the outer magnetic block, the first auxiliary magnet, and the first magnetic block constitute the first magnetic circuit
  • the second main magnet, the inner magnetic block, The outer magnetic conductive block, the second auxiliary magnetic steel and the second magnetic conductive block constitute the second magnetic circuit
  • first main magnet and the second main magnet are symmetrical about the inner magnetic permeable block
  • first auxiliary magnet and the second auxiliary magnet are symmetrical about the outer magnetically permeable block.
  • the secondary magnetic component is symmetrical with respect to the main magnetic component in any direction.
  • an opening is opened in the middle of the base, and the first magnetic conductive block is embedded in the opening.
  • the diaphragm assembly includes an outer folding ring fixed on the base, an inner folding ring arranged spaced apart from the outer folding ring, and a ball arranged between the outer folding ring and the inner folding ring.
  • the magnetic circuit system is embedded in the area enclosed by the inner folding ring, and the speaker further includes a fixed frame sleeved on the periphery of the second magnetic conductive block and fixedly connected with the inner folding ring.
  • the material of the fixed frame is magnesium aluminum alloy.
  • the secondary magnetic component is provided with a gap extending along the vibration direction of the diaphragm component, and the diaphragm component further includes a gap fixed on the periphery of the voice coil and extending from the gap to the magnetic circuit system An outer frame, one end of the frame away from the voice coil is fixed on the side of the dome close to the storage space.
  • the main magnetic component has a square shape
  • the secondary magnetic components are separately arranged on the peripheral edges of the primary magnetic component, and the adjacent secondary magnetic components form the gaps at intervals.
  • the primary magnetic component, the secondary magnetic component and the first magnetic permeable block form a first magnetic circuit that passes through the magnetic gap
  • the main magnetic steel, the secondary magnetic steel and the second magnetic permeable block form a first magnetic circuit that passes through the magnetic gap and is connected to the
  • the second magnetic circuit with the opposite direction of the magnetic circuit of the first magnetic circuit can greatly increase the magnetic field strength of the magnetic gap where the voice coil is located, thereby increasing the driving force of the voice coil, improving the vibration sensitivity of the voice coil, and obtaining better acoustic performance;
  • the magnetic circuit system penetrates the speaker in height, occupying a large proportion of the speaker's space, and further improving the acoustic performance.
  • FIG. 1 is a schematic diagram of the overall structure of a speaker provided by an embodiment of the present invention
  • FIG. 2 is a schematic diagram of an exploded structure of the speaker shown in FIG. 1;
  • Fig. 3 is a schematic sectional view of the structure taken along the A-A direction in Fig. 1;
  • FIG. 4 is a schematic diagram of the enlarged structure of area B in FIG. 3.
  • the speaker includes a base 1 with a storage space 10, a vibration system 2 housed in the base 1, a magnetic circuit system 3 housed in the base 1 and driving the vibration system 2 to produce sound, and one end of the vibration system 2 is fixed to the magnetic circuit system 3.
  • the vibration system 2 includes a diaphragm assembly 21 and a voice coil 22 that drives the diaphragm assembly 21 to vibrate.
  • the magnetic circuit system 3 includes a first magnetically permeable block 31 arranged in the base 1 and a main magnetism fixed on the first magnetically permeable block 31.
  • the voice coil 22 is placed in the magnetic gap 30.
  • the magnetic field generated by the magnetic circuit system 3 in the magnetic gap 30 drives the voice coil 22, and the voice coil 22 drives the diaphragm assembly 21 Vibrate to make a sound.
  • the above-mentioned main magnetic component 32, secondary magnetic component 33, and first magnetic permeable block 31 constitute a first magnetic circuit 301 passing through the magnetic gap 30, and the main magnetic component 32, secondary magnetic component 33 and second magnetic permeable block 34 constitute a pass through
  • the direction of the second magnetic circuit 302 passing the magnetic gap 30 is opposite to that of the first magnetic circuit 301 and the second magnetic circuit 302.
  • the main magnetic assembly 32 includes a first main magnet 321 placed on the first magnetic block 31, an inner magnetic block 322 placed on the first main magnet 321, and The second main magnetic steel 323 sandwiched between the inner magnetic conductive block 322 and the second magnetic conductive block 34.
  • the 33 auxiliary magnetic sets include a first auxiliary magnetic steel 331 placed on the first magnetic conductive block 31, an outer magnetic conductive block 332 placed on the first auxiliary magnetic steel 331, and an outer magnetic conductive block 332 and a second The second secondary magnetic steel 333 between the magnetic conductive blocks 34.
  • the magnetic poles of the first main magnet 321 on the side of the inner magnetic block 322 are the same as the magnetic poles of the second main magnet 323 on the side of the inner magnetic block 322; the second secondary magnet 333 is on the outer magnetic pole
  • the magnetic poles on the side of the block 332 are the same as the magnetic poles on the side of the first auxiliary magnet 331 against the outer magnetic block 332, and the magnetic poles on the side of the second auxiliary magnet 333 against the outer magnetic block 332 are the same as the second main magnet.
  • the magnetic poles on the side of 323 abutting the inner magnetic conductive block 322 are opposite.
  • the first main magnet 321 and the second main magnet 323 are symmetrical about the inner magnetic conductive block 322, and the first auxiliary magnet 331 and the second auxiliary magnetic steel 333 are symmetrical about the outer magnetic conductive block 332. symmetry.
  • the first main magnet 321, the inner magnetic block 322, the outer magnetic block 332, the first auxiliary magnet 331, and the first magnetic block 31 constitute the first magnetic circuit 301
  • the magnetic block 322, the outer magnetic conductive block 332, the second auxiliary magnetic steel 333, and the second magnetic conductive block 34 constitute the above-mentioned second magnetic circuit 302, which can pass through the first magnetic circuit 301 and the second magnetic circuit in opposite directions. 302 to enhance the magnetic field strength in the magnetic gap 30, thereby increasing the driving force of the voice coil 22, and improving the vibration sensitivity of the voice coil 22 to obtain better acoustic performance.
  • the magnetic circuit system 3 penetrates the loudspeaker in height, occupying a large proportion of the space of the loudspeaker, and further improving Acoustic performance.
  • the secondary magnetic component 33 is provided with a notch 330 extending along the vibration direction of the diaphragm component 21.
  • the main magnetic component 32 is in a square shape.
  • the secondary magnetic component 33 is separately arranged on the peripheral edge of the main magnetic component 32.
  • the gap 330 is provided.
  • the diaphragm assembly 21 includes a skeleton 211 fixed on the periphery of the voice coil 22 and extending from the gap 330 to the outside of the magnetic circuit system 3, an outer folding ring 213 fixed on the base 1, and an inner folding ring 214 spaced apart from the outer folding ring 213 And the dome 212 arranged between the outer folding ring 213 and the inner folding ring 214, the magnetic circuit system 3 is embedded in the area enclosed by the inner folding ring 214, and the fixed frame 4 is sleeved on the periphery of the second magnetic conductive block 34 and The fixed frame 4 is fixedly connected to the inner folding ring 214, and the material of the fixed frame 4 is high-strength low-density magnesium aluminum alloy, which enhances the reliability of the connection.
  • the end of the frame 211 far away from the voice coil 22 is fixed on the side of the dome 212 close to the storage space 10.
  • the center of the dome 212 has a through hole 2120.
  • the main magnetic component 32 and the secondary magnetic component 33 pass through the through hole 2120 to make the The voice coil 22 is connected to the vibration system 2 through the frame 211 to work.
  • the main magnetic component 32 there are four secondary magnetic components 33 around the main magnetic component 32.
  • the four secondary magnetic steel components 33 located around the main magnetic component 32 are symmetrical about the main magnetic component 32 in any direction, which enhances the compactness of the structure. Sex and stability.
  • the first magnetic circuit 301 is composed of the first main magnet 321, the inner magnetic block 322, the outer magnetic block 332, the first auxiliary magnet 331, and the first magnetic block 31.
  • the second magnetic circuit 302 is formed by the second main magnetic steel 323, the inner magnetic conductive block 322, the outer magnetic conductive block 332, the second auxiliary magnetic steel 333 and the second magnetic conductive block 34, and the first magnetic circuit with the opposite direction of the magnetic circuit.
  • the loop 301 and the second magnetic loop 302 greatly enhance the magnetic field strength of the magnetic gap 10 to obtain good acoustic performance and improve the sound quality of the speaker; and the magnetic circuit system 3 penetrates the speaker in height, which takes up a large proportion of the space of the speaker. Further improve the acoustic performance.

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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

本发明属于电声转换技术领域，提供了一种扬声器。该扬声器包括底座、振动系统以及驱动振动系统发声的磁路系统，振动系统包括振膜组件及音圈；磁路系统包括设置于底座内的第一导磁块、固定于第一导磁块上的主磁组件、固定于第一导磁块上并环绕主磁组件外周设置的副磁组件以及盖设于主磁组件和副磁组件上的第二导磁块，主磁组件与副磁组件之间形成磁间隙，音圈置于磁间隙中。主磁组件、副磁组件以及第一导磁块构成穿过磁间隙的第一磁回路，并且主磁组件、副磁组件以及第二导磁块构成穿过磁间隙的第二磁回路，第一磁回路与第二磁回路的磁回路方向相反。本发明的第一磁回路与第二磁回路可以大幅增强音圈所在磁间隙的磁场强度，以获得良好的声学性能。

Description

扬声器 技术领域
本发明涉及电声转换技术领域，尤其涉及一种扬声器。
 背景技术
随着科技的快速发展，扬声器的普及率越来越高，人们对扬声器的要求不仅仅限于视频音频的播放，更对扬声器播放声音的音质和可靠性有着更高的要求，而扬声器直接关系到播放声音音质好坏和产品的稳定。
传统的扬声器，其磁路系统的磁回路在主磁钢和副磁钢之间形成的磁间隙中磁场强度低，导致其声学性能较差。
 技术问题
本发明的目的在于提供一种扬声器，旨在解决现有技术的扬声器中磁路系统产生的磁场强度低而导致产品声学性能差的问题。
 技术解决方案
本发明的技术方案如下：一种扬声器，所述扬声器包括具有收纳空间的底座、收容于所述底座内的振动系统以及收容于底座内并驱动所述振动系统发声的磁路系统，所述振动系统包括振膜组件及驱动所述振膜组件振动的音圈；所述磁路系统包括设置于所述底座内的第一导磁块、固定于所述第一导磁块上的主磁组件、固定于所述第一导磁块上并环绕所述主磁组件外周设置的副磁组件以及盖设于所述主磁组件和副磁组件上的第二导磁块，所述主磁组件与所述副磁组件之间形成磁间隙，所述音圈置于所述磁间隙中；
所述主磁组件、副磁组件以及第一导磁块构成穿过所述磁间隙的第一磁回路，并且所述主磁组件、副磁组件以及第二导磁块构成穿过所述磁间隙的第二磁回路，所述第一磁回路与所述第二磁回路的磁回路方向相反。
进一步地，所述主磁组件包括置于所述第一导磁块上的第一主磁钢、置于所述第一主磁钢上的内导磁块以及夹置于所述内导磁块与所述第二导磁块之间的第二主磁钢；
所述副磁组件包括置于所述第一导磁块上的第一副磁钢、置于所述第一副磁钢上的外导磁块以及夹置于所述外导磁块与所述第二导磁块之间的第二副磁钢；
所述第一主磁钢贴靠所述内导磁块一侧的磁极与所述第二主磁钢贴靠所述内导磁块一侧的磁极相同，所述第二副磁钢贴靠所述外导磁块一侧的磁极与所述第一副磁钢贴靠所述外导磁块一侧的磁极相同，并且所述第二副磁钢贴靠所述外导磁块一侧的磁极与所述第二主磁钢贴靠所述内导磁块一侧的磁极相反；
所述第一主磁钢、内导磁块、外导磁块、第一副磁钢以及第一导磁块构成所述第一磁回路，所述第二主磁钢、内导磁块、外导磁块、第二副磁钢以及第二导磁块构成所述第二磁回路。
进一步地，所述第一主磁钢与所述第二主磁钢关于所述内导磁块对称，所述第一副磁钢与所述第二副磁钢关于所述外导磁块对称。
进一步地，任意方向上所述副磁组件关于所述主磁组件对称。
进一步地，所述底座的中部开设有开口，所述第一导磁块嵌置于所述开口中。
进一步地，所述第二导磁块远离所述主磁组件的一侧裸露出所述收纳空间外。
进一步地，所述振膜组件包括固定于所述底座上的外折环、与所述外折环间隔设置的内折环以及设于所述外折环和所述内折环之间的球顶，所述磁路系统套嵌于所述内折环围成的区域内，所述扬声器还包括套设于所述第二导磁块外围且与所述内折环固定连接的固定框。
进一步地，所述固定框的材质为镁铝合金。
进一步地，所述副磁组件设有沿所述振膜组件的振动方向延伸的缺口，所述振膜组件还包括固定于所述音圈周缘上且从所述缺口延伸至所述磁路系统外的骨架，所述骨架远离所述音圈的一端固定于所述球顶靠近所述收纳空间的一侧。
进一步地，所述主磁组件呈方形，所述副磁组件分设于所述主磁组件的四周边缘，相邻的所述副磁组件间隔形成所述缺口。
 有益效果
本发明通过主磁组件、副磁组件以及第一导磁块构成穿过磁间隙的第一磁回路，以及通过主磁钢、副磁钢以及第二导磁块构成穿过磁间隙并与第一磁回路的磁回路方向相反的第二磁回路，可大幅提升音圈所在的磁间隙的磁场强度，从而提升了音圈的驱动力，改善音圈振动灵敏度，进而获得更好的声学性能；同时，磁路系统在高度上贯通扬声器，占用扬声器的空间比例大，进一步提升声学性能。
 附图说明
图1为本发明实施例提供的扬声器的整体结构示意图；
图2为图1所示的扬声器的分解结构示意图；
图3为图1中的A-A方向的剖视结构示意图；
图4为图3中的B区域放大结构示意图。
 本发明的实施方式
下面结合附图和实施方式对本发明作进一步说明。
参阅图1至图3所示，是本发明实施例提供的一种扬声器。该扬声器包括具有收纳空间10的底座1、收容于底座1内的振动系统2、收容于底座1内并驱动振动系统2发声的磁路系统3以及将振动系统2的一端固定于磁路系统3上的固定框4。振动系统2包括振膜组件21及驱动振膜组件21振动的音圈22，磁路系统3包括设置于底座1内的第一导磁块31、固定于第一导磁块31上的主磁组件32、固定于第一导磁块31上并环绕主磁组件32外周设置的副磁组件33以及盖设于主磁组件32和副磁组件33上的第二导磁块34，主磁组件32与副磁组件33之间形成磁间隙30，音圈22置于磁间隙30中，通过磁路系统3在磁间隙30中产生的磁场驱动音圈22，利用音圈22驱动振膜组件21振动，从而发出声音。
上述的主磁组件32、副磁组件33以及第一导磁块31构成穿过磁间隙30的第一磁回路301，并且主磁组件32、副磁组件33以及第二导磁块34构成穿过磁间隙30的第二磁回路302，第一磁回路301与第二磁回路302的磁回路方向相反。
具体地，参阅图3与图4所示，主磁组件32包括置于第一导磁块31上的第一主磁钢321、置于第一主磁钢321上的内导磁块322以及夹置于内导磁块322与第二导磁块34之间的第二主磁钢323。副磁组33件包括置于第一导磁块31上的第一副磁钢331、置于第一副磁钢331上的外导磁块332以及夹置于外导磁块332与第二导磁块34之间的第二副磁钢333。
其中，第一主磁钢321贴靠内导磁块322一侧的磁极与第二主磁钢323贴靠内导磁块322一侧的磁极相同；第二副磁钢333贴靠外导磁块332一侧的磁极与第一副磁钢331贴靠外导磁块332一侧的磁极相同，并且第二副磁钢333贴靠外导磁块332一侧的磁极与第二主磁钢323贴靠内导磁块322一侧的磁极相反。
上述实施例中，第一主磁钢321与第二主磁钢323关于内导磁块322对称，第一副磁钢331与第二副磁钢333关于外导磁块332对称，增强结构的对称性。第一主磁钢321、内导磁块322、外导磁块332、第一副磁钢331以及第一导磁块31构成上述的第一磁回路301，第二主磁钢321、内导磁块322、外导磁块332、第二副磁钢333以及第二导磁块34构成上述的第二磁回路302，从而能够通过磁回路方向相反的第一磁回路301与第二磁回路302来增强磁间隙30中的磁场强度，进而提升音圈22的驱动力，改善音圈22的振动灵敏度，以获得更好的声学性能。
上述实施例中，参阅图2与图3所示，第二导磁块34远离主磁组件32的一侧裸露出收纳空间10外，底座1的中部开设有开口11，第一导磁块31嵌置于开口11中，从而能够使第一导磁块31和第二导磁块34均裸露出底座1，因此，磁路系统3在高度上贯通扬声器，占用扬声器的空间比例大，进一步提升声学性能。
副磁组件33设有沿振膜组件21的振动方向延伸的缺口330，主磁组件32呈方形，副磁组件33分设于主磁组件32的四周边缘，相邻的副磁组件33间隔形成上述的缺口330。振膜组件21包括固定于音圈22周缘上且从缺口330延伸至磁路系统3外的骨架211、固定于底座1上的外折环213、与外折环213间隔设置的内折环214以及设于外折环213和内折环214之间的球顶212，磁路系统3套嵌于内折环214围成的区域内，固定框4套设于第二导磁块34外围且与内折环214固定连接，该固定框4的材质为高强度低密度的镁铝合金，增强连接的可靠性。骨架211远离音圈22的一端固定于球顶212靠近收纳空间10的一侧，球顶212的中部具有通孔2120，主磁组件32与副磁组件33穿设于通孔2120中，使该音圈22通过骨架211和振动系统2连接工作。
在本实施例中，在主磁组件32的四周具有四个副磁组件33，位于主磁组件32四周的四个副磁钢组件33在任意方向上关于主磁组件32对称，增强结构的紧凑性和稳定性。
综上所述，本发明的扬声器中，由第一主磁钢321、内导磁块322、外导磁块332、第一副磁钢331以及第一导磁块31构成第一磁回路301，由第二主磁钢323、内导磁块322、外导磁块332、第二副磁钢333以及第二导磁块34构成第二磁回路302，利用磁回路方向相反的第一磁回路301与第二磁回路302来大幅增强磁间隙10的磁场强度，以获得良好的声学性能，提高扬声器的音质效果；并且，磁路系统3在高度上贯通扬声器，占用扬声器的空间比例大，进一步提升声学性能。
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. 一种扬声器，所述扬声器包括具有收纳空间的底座、收容于所述底座内的振动系统以及收容于底座内并驱动所述振动系统发声的磁路系统，所述振动系统包括振膜组件及驱动所述振膜组件振动的音圈；其特征在于，所述磁路系统包括设置于所述底座内的第一导磁块、固定于所述第一导磁块上的主磁组件、固定于所述第一导磁块上并环绕所述主磁组件外周设置的副磁组件以及盖设于所述主磁组件和副磁组件上的第二导磁块，所述主磁组件与所述副磁组件之间形成磁间隙，所述音圈置于所述磁间隙中；
    所述主磁组件、副磁组件以及第一导磁块构成穿过所述磁间隙的第一磁回路，并且所述主磁组件、副磁组件以及第二导磁块构成穿过所述磁间隙的第二磁回路，所述第一磁回路与所述第二磁回路的磁回路方向相反。
  2. 根据权利要求1所述的扬声器，其特征在于，所述主磁组件包括置于所述第一导磁块上的第一主磁钢、置于所述第一主磁钢上的内导磁块以及夹置于所述内导磁块与所述第二导磁块之间的第二主磁钢；
    所述副磁组件包括置于所述第一导磁块上的第一副磁钢、置于所述第一副磁钢上的外导磁块以及夹置于所述外导磁块与所述第二导磁块之间的第二副磁钢；
    所述第一主磁钢贴靠所述内导磁块一侧的磁极与所述第二主磁钢贴靠所述内导磁块一侧的磁极相同，所述第二副磁钢贴靠所述外导磁块一侧的磁极与所述第一副磁钢贴靠所述外导磁块一侧的磁极相同，并且所述第二副磁钢贴靠所述外导磁块一侧的磁极与所述第二主磁钢贴靠所述内导磁块一侧的磁极相反；
    所述第一主磁钢、内导磁块、外导磁块、第一副磁钢以及第一导磁块构成所述第一磁回路，所述第二主磁钢、内导磁块、外导磁块、第二副磁钢以及第二导磁块构成所述第二磁回路。
  3. 根据权利要求2所述的扬声器，其特征在于，所述第一主磁钢与所述第二主磁钢关于所述内导磁块对称，所述第一副磁钢与所述第二副磁钢关于所述外导磁块对称。
  4. 根据权利要求1所述的扬声器，其特征在于，任意方向上所述副磁组件关于所述主磁组件对称。
  5. 根据权利要求1所述的扬声器，其特征在于，所述底座的中部开设有开口，所述第一导磁块嵌置于所述开口中。
  6. 根据权利要求1所述的扬声器，其特征在于，所述第二导磁块远离所述主磁组件的一侧裸露出所述收纳空间外。
  7. 根据权利要求1-6中任意一项所述的扬声器，其特征在于，所述振膜组件包括固定于所述底座上的外折环、与所述外折环间隔设置的内折环以及设于所述外折环和所述内折环之间的球顶，所述磁路系统套嵌于所述内折环围成的区域内，所述扬声器还包括套设于所述第二导磁块外围且与所述内折环固定连接的固定框。
  8. 根据权利要求7所述的扬声器，其特征在于，所述固定框的材质为镁铝合金。
  9. 根据权利要求7所述的扬声器，其特征在于，所述副磁组件设有沿所述振膜组件的振动方向延伸的缺口，所述振膜组件还包括固定于所述音圈周缘上且从所述缺口延伸至所述磁路系统外的骨架，所述骨架远离所述音圈的一端固定于所述球顶靠近所述收纳空间的一侧。
  10. 根据权利要求9所述的扬声器，其特征在于，所述主磁组件呈方形，所述副磁组件分设于所述主磁组件的四周边缘，相邻的所述副磁组件间隔形成所述缺口。
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Publication number Priority date Publication date Assignee Title
CN110996226B (zh) * 2019-11-21 2021-12-24 瑞声科技(新加坡)有限公司 发声器件
WO2021097993A1 (zh) * 2019-11-21 2021-05-27 瑞声声学科技(深圳)有限公司 发声器件
CN111641903B (zh) * 2020-05-20 2021-12-21 瑞声科技(新加坡)有限公司 一种发声器件
CN111935608B (zh) * 2020-06-30 2022-03-01 瑞声新能源发展(常州)有限公司科教城分公司 一种扬声器

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140056465A1 (en) * 2012-08-27 2014-02-27 Aac Acoustic Technologies (Changzhou) Co., Ltd. Speaker
CN205847592U (zh) * 2016-07-21 2016-12-28 瑞声科技(新加坡)有限公司 扬声器
CN205847585U (zh) * 2016-07-20 2016-12-28 瑞声科技(新加坡)有限公司 扬声器
CN206389552U (zh) * 2017-01-12 2017-08-08 瑞声科技(沭阳)有限公司 电磁扬声器
US20170347201A1 (en) * 2016-05-26 2017-11-30 AAC Technologies Pte. Ltd. Miniature sounder

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201967123U (zh) * 2011-01-07 2011-09-07 瑞声光电科技(常州)有限公司 电声换能器
CN203608348U (zh) * 2013-10-29 2014-05-21 瑞声光电科技(常州)有限公司 磁路系统及应用所述磁路系统的扬声器
US9571936B2 (en) * 2015-05-01 2017-02-14 Apple Inc. Audio speaker having a high-saturation magnetic insert
CN205847566U (zh) * 2016-07-01 2016-12-28 瑞声科技(新加坡)有限公司 扬声器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140056465A1 (en) * 2012-08-27 2014-02-27 Aac Acoustic Technologies (Changzhou) Co., Ltd. Speaker
US20170347201A1 (en) * 2016-05-26 2017-11-30 AAC Technologies Pte. Ltd. Miniature sounder
CN205847585U (zh) * 2016-07-20 2016-12-28 瑞声科技(新加坡)有限公司 扬声器
CN205847592U (zh) * 2016-07-21 2016-12-28 瑞声科技(新加坡)有限公司 扬声器
CN206389552U (zh) * 2017-01-12 2017-08-08 瑞声科技(沭阳)有限公司 电磁扬声器

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