WO2022006807A1 - 一种扬声器 - Google Patents

一种扬声器 Download PDF

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Publication number
WO2022006807A1
WO2022006807A1 PCT/CN2020/101024 CN2020101024W WO2022006807A1 WO 2022006807 A1 WO2022006807 A1 WO 2022006807A1 CN 2020101024 W CN2020101024 W CN 2020101024W WO 2022006807 A1 WO2022006807 A1 WO 2022006807A1
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WO
WIPO (PCT)
Prior art keywords
magnetic
magnetic steel
steel
diaphragm assembly
yoke
Prior art date
Application number
PCT/CN2020/101024
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English (en)
French (fr)
Inventor
肖波
令狐荣林
孔晨亮
章统
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声科技(新加坡)有限公司
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Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声科技(新加坡)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Priority to PCT/CN2020/101024 priority Critical patent/WO2022006807A1/zh
Publication of WO2022006807A1 publication Critical patent/WO2022006807A1/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
    • 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 loudspeaker equipment, in particular to a moving coil loudspeaker.
  • speakers are widely used in mobile terminals such as mobile phones, computers, and PADs.
  • the diaphragm is directly matched with the magnetic circuit system, and the end of the magnetic circuit system connected to the diaphragm is provided with a gap, and the gap will cause water leakage, resulting in poor speaker performance.
  • the purpose of the present invention is to provide a sealed and waterproof loudspeaker.
  • a loudspeaker includes a basin frame, a magnetic circuit system and a vibration system accommodated in the basin frame;
  • the vibration system includes a diaphragm assembly and a voice coil for driving the vibration of the diaphragm assembly ;
  • the magnetic circuit system includes a first magnetic assembly, the first magnetic assembly includes a first magnetic yoke, a first main magnetic steel fixed on the first magnetic yoke, and a first main magnetic steel surrounding the first main magnetic steel and connected with The first main magnetic steel forms the first auxiliary magnetic steel of the first magnetic gap;
  • the voice coil is at least partially suspended in the first magnetic gap, and is characterized in that:
  • the first pair of magnetic steel is provided with a space for the voice coil lead wire to provide routing;
  • the diaphragm assembly includes a first connection surface facing away from the first magnetic yoke and a second connection surface close to the first magnetic yoke and connected to the first magnetic yoke, and the first connection surface of the diaphragm assembly is connected to the first magnetic yoke.
  • a sealing ring for supporting the diaphragm assembly is sandwiched between the first secondary magnetic steels, one end surface of the sealing ring is in contact with the first connecting surface, and the other end surface covers the vacant space.
  • the number of the first auxiliary magnets is a pair, and the pair of first auxiliary magnets are arranged opposite to each other and spaced apart to form the vacant space.
  • the speaker further includes a frame; the frame surrounds the magnetic circuit system, and the frame includes a second connection part connected to the diaphragm assembly and a first connection part away from the diaphragm assembly.
  • the sealing ring is a circular ring
  • the first secondary magnetic steel is a semi-ring
  • the diaphragm assembly includes a first sound film surrounding the first magnetic yoke and fixed with the first magnetic yoke, the first sound film is provided with a through hole; the first sound film includes an outer edge end, an inner edge end opposite to the outer edge end and surrounding the through hole, and a first folded ring portion connecting the outer edge end and the inner edge end; a first connection surface is provided on the inner edge The end faces away from the side of the first magnetic yoke, and the second connection surface is arranged opposite to the first connection surface.
  • the first magnetic yoke includes a bottom wall connected to the first main magnet steel and a side wall connected to the bottom wall, and an end of the side wall away from the bottom wall is connected to the second side wall. Connecting surfaces are connected.
  • the first auxiliary magnetic steel includes a first end connected with the sealing ring, a second end opposite to the first end, and a side surface connecting the first end and the second end, and the side surface of the first auxiliary magnetic steel
  • the included angle with the first end is an obtuse angle.
  • the diaphragm assembly further includes a second sound film and a connecting piece, the second sound film includes a central portion, a peripheral portion, and a second ring portion connecting the central portion and the peripheral portion, the connection
  • the component includes an outer peripheral end connected with the central portion and an inner peripheral end opposite to the outer peripheral end and connected with the outer edge end of the first sound membrane;
  • the loudspeaker also includes a fixed connection with the outer peripheral portion of the second sound membrane A fixing ring, the side of the fixing ring facing away from the second sound membrane is fixedly connected with the basin frame.
  • the speaker further includes a flexible circuit board electrically connected with the voice coil;
  • the basin frame includes a first side end fixedly connected with the fixing ring and a first side end opposite to the first side end. Two side ends.
  • the magnetic circuit system further includes a second magnetic component and a magnetic conductive component located between the first magnetic component and the second magnetic component;
  • the second magnetic component includes a second magnetic component fixedly connected with the second side end of the basin frame a magnetic yoke, a second main magnetic steel fixed on the second magnetic yoke, and a second auxiliary magnetic steel surrounding the second main magnetic steel and forming a second magnetic gap with the second main magnetic steel;
  • the The magnetic conductive assembly includes a main magnetic sheet located between the first main magnetic steel and the second main magnetic steel and a secondary magnetic conductive sheet located between the first secondary magnetic steel and the second secondary magnetic steel.
  • the voice coil is suspended within the first magnetic gap and the second magnetic gap.
  • the loudspeaker further includes a support diaphragm disposed in the basin frame, the flexible circuit board is disposed on the side of the frame away from the diaphragm assembly; the support diaphragm includes The flexible circuit board has a free end connected to one side of the flexible circuit board close to the second magnetic yoke, a fixed end fixedly connected to the basin frame, and a center ring portion connected to both the free end and the fixed end.
  • the beneficial effect of the present invention is that the sealing ring is used to seal the position between the diaphragm assembly and the first secondary magnetic steel, thereby preventing water from leaking into the speaker through the diaphragm assembly, ensuring that the diaphragm assembly does not leak water, and further improving the performance of the system.
  • the performance of the loudspeaker of the present invention is used to seal the position between the diaphragm assembly and the first secondary magnetic steel, thereby preventing water from leaking into the speaker through the diaphragm assembly, ensuring that the diaphragm assembly does not leak water, and further improving the performance of the system.
  • FIG. 1 is a perspective view of a speaker according to an embodiment of the present invention.
  • FIG. 2 is a cross-sectional view taken along the direction A-A in FIG. 1 .
  • FIG. 3 is a cross-sectional view taken along the direction B-B in FIG. 1 .
  • FIG. 4 is an enlarged view of C in FIG. 3 .
  • FIG. 5 is an exploded schematic diagram of a speaker according to an embodiment of the present invention.
  • the speaker includes a basin frame 11 , a magnetic circuit system and a vibration system accommodated in the basin frame 11 .
  • the vibration system is fixed on the basin frame 11 by the fixing ring 50 .
  • the vibration system includes a diaphragm assembly, a voice coil 5 and a frame 15 .
  • the diaphragm assembly includes a second sound film 1 , a connecting piece 2 connected with the second sound film 1 , and a first sound film 3 connected with the connecting piece 2 .
  • the connecting piece 2 is equivalent to a dome and is used for sound production.
  • the first sound membrane 3 is in the shape of a meso-hole and has a through hole 40 therethrough.
  • the first sound membrane 3 surrounds the first magnetic yoke 10 and is connected to the first magnetic yoke. 10 are fixedly connected.
  • the second sound membrane 1 includes a central portion 1a, a peripheral portion 1b, and a second folded ring portion 1c connecting the central portion 1a and the peripheral portion 1b.
  • the second folded ring portion 1c is raised in a direction perpendicular to the central portion 1a.
  • the center portion 1a has an annular shape.
  • the connector 2 includes an outer peripheral end 2a connected with the central portion 1a and an inner peripheral end 2b opposite to the outer peripheral end 2a;
  • the first sound membrane 3 includes an outer peripheral end 3a connected with the inner peripheral end 2b of the connector and an outer peripheral end 2b. 3a, the opposite inner edge end 3b, and the first folded ring portion 3c connecting the outer edge end 3a and the inner edge end 3b.
  • the through hole 40 is surrounded by the inner edge end 3b.
  • the first folded ring portion 3c of the first sound membrane 3 includes at least two raised portions 3d.
  • the basin frame 11 includes a first side end 11b fixedly connected with the fixing ring 50 and a second side end 11a opposite to the first side end 11b.
  • the peripheral portion 1 b of the second sound membrane 1 is fixedly connected with the fixing ring 50 , so that the diaphragm assembly is supported by the fixing ring 50 .
  • the magnetic circuit system includes a first magnetic component, a second magnetic component, and a magnetic conductive component located between the first magnetic component and the second magnetic component; the second magnetic component includes a second magnetic component fixedly connected to the second side end 11a.
  • the first magnetic assembly includes a first magnetic yoke 10 fixedly connected to the inner edge end 3b of the first sound membrane 3 , a first main magnetic steel 7 fixed on the first magnetic yoke 10 , and a first main magnetic steel 7 on both sides of the first main magnetic steel 7 .
  • the first secondary magnetic steel 9 forming the first magnetic gap 18 with the first main magnetic steel 7;
  • the second magnetic gap 18 communicates with the first magnetic gap 19;
  • the voice coil 5 is suspended in the second magnetic gap 18 and the first magnetic gap 19 Inside.
  • the number of the first auxiliary magnetic steel 9 is a pair, which is a semi-ring shape.
  • the semi-annular first secondary magnets 9 are arranged opposite and spaced apart, and the spaced distance forms a vacant space 30 for the lead wire of the voice coil to provide wiring.
  • the number of the second secondary magnetic steel 8 and the secondary magnetic conductive sheet 13 is a pair, and both are semi-ring.
  • the semi-annular second secondary magnetic steel 8 and the secondary magnetic conductive sheet 13 are opposite to each other and are spaced apart by a certain distance, and the vacant space extends from the first secondary magnetic steel 9 to the second secondary magnetic steel 8 .
  • the frame 15 is used to connect the diaphragm assembly and the voice coil to drive the diaphragm assembly to vibrate.
  • the bobbin 15 surrounds the magnetic circuit system, and includes a second connection portion 15 a connected to the connecting member 2 and a first connecting portion 15 b connected to the voice coil 5 and away from the connecting member 2 .
  • the first connecting portion 15b protrudes into the space between the first auxiliary magnetic steels 9 and is fixedly connected to the voice coil 5, as shown in FIG. 2 .
  • the flexible circuit board 14 is disposed on the side of the frame 15 away from the diaphragm assembly.
  • the inner edge end 3b of the first sound membrane 3 is provided with a first connection surface 3e facing away from the first magnetic yoke
  • the first auxiliary magnetic steel 9 is provided with a surface facing the first magnetic yoke
  • a sealing ring 20 is sandwiched between the fixing surface 9a and the first connecting surface 3e and the fixing surface 9a.
  • One end surface of the sealing ring 20 is in contact with the first connecting surface 3e and the other end surface covers the letting Bit space 30, and the other end face is also connected with the first secondary magnet 9.
  • the sealing ring 20 of the present invention abuts the first connecting surface 3e, and the sealing ring 20 is sealed and connected to the first connecting surface 3e, so that no water leaks at the connection position of the meso-hole-shaped first sound membrane and the sealing ring 20, thereby preventing water leakage. Ensure the waterproof performance of the first sound membrane.
  • the inner edge end 3 b of the first sound membrane 3 is further provided with a second connecting surface 3 f opposite to the first connecting surface 3 e , and the second connecting surface 3 f is fixedly connected with the first magnetic yoke 9 .
  • This structure ensures that the inner edge end 3b of the first sound membrane is located between the first magnetic yoke 10 and the first secondary magnetic steel 9, and the three are fixedly connected.
  • the first magnetic yoke 10 is in the shape of a cover, and includes a bottom wall 10a connected to the first main magnet steel and a side wall 10b connected to the bottom wall, and the side wall is far away from the The end of the bottom wall is connected to the second connecting surface 3f.
  • the sealing ring 20 is annular, correspondingly, the first sound membrane is also annular, and the outer contour of each device in the magnetic circuit system is circular.
  • the present invention utilizes the sealing ring 20 to seal the position between the first sound film 3 and the first secondary magnetic steel 9, thereby preventing water from leaking into the speaker through the first sound film, ensuring that the first sound film does not leak water, and further improving the the performance of the loudspeaker of the present invention.
  • the first secondary magnetic steel 9 includes a first end 9d connected to the sealing ring, a second end 9b opposite to the first end, a side surface 9c connecting the second end 9b and the first end 9d, and the side surface 9c is connected to the first end 9c.
  • the included angle between one end 9b is an acute angle, that is, the side surface 9c of the first secondary magnet 9 forms an inclined surface, so as to form an escape space for the bulge of the first sound membrane 3 .
  • the first end 9d is provided with the fixing surface 9a.
  • the first end 9d forms the fixing surface 9a
  • the first end is the fixing surface
  • the fixing surface is connected with the sealing ring.
  • the speaker further includes a supporting diaphragm 16 disposed in the basin frame 11 ; the supporting diaphragm 16 includes a free end 16 a connected to the side of the flexible circuit board 14 close to the second magnetic yoke 4 , and is fixedly connected to the basin frame 11 .
  • the fixed end 16b, and the center ring portion 16c connected to both the free end 16a and the fixed end 16b.

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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

本发明提供了一种扬声器，其包括盆架、以及收容于所述盆架内的磁路系统和振动系统；所述振动系统包括振膜组件；所述磁路系统包括第一磁性组件，所述第一磁性组件包括第一磁轭、固定于所述第一磁轭上的第一主磁钢和环绕所述第一主磁钢并与所述第一主磁钢形成第一磁间隙的第一副磁钢；所述振膜组件包括背离所述第一磁轭的第一连接面和靠近第一磁轭并与第一磁轭相连的第二连接面，所述振膜组件的第一连接面与所述第一副磁钢之间设有与两者密封相连从而使振膜组件和第一副磁钢之间密封的密封圈。本发明利用密封圈使得振膜组件和第一副磁钢之间的位置密封，从而提高了本发明扬声器的防水性能。

Description

一种扬声器 技术领域
本发明涉及扬声器设备，特别涉及一种动圈式扬声器。
 背景技术
扬声器作为一种能够将电能转化为声能的器件，现已广泛应用于手机、电脑、 PAD等移动终端中，扬声器性能的优劣直接影响着与其配合的移动终端装置的声放效果。
 技术问题
现有技术的扬声器，振膜直接与磁路系统直接相配合，而磁路系统与振膜相连的端部设有缺口，缺口处会导致漏水，从而造成扬声器性能不良的问题。
因此，有必要提供一种振膜密封防水的扬声器。
 技术解决方案
本发明的目的在于提供一种密封防水的扬声器。
本发明的技术方案如下：一种扬声器，包括盆架，以及收容于所述盆架内的磁路系统和振动系统；所述振动系统包括振膜组件和驱动所述振膜组件振动的音圈；所述磁路系统包括第一磁性组件，所述第一磁性组件包括第一磁轭、固定于所述第一磁轭上的第一主磁钢和环绕所述第一主磁钢并与所述第一主磁钢形成第一磁间隙的第一副磁钢；所述音圈至少部分悬置于所述第一磁间隙内，其特征在于，
所述第一副磁钢设有以供音圈引线提供走线的让位空间；
所述振膜组件包括背离所述第一磁轭的第一连接面和靠近第一磁轭并与第一磁轭相连的第二连接面，所述振膜组件的第一连接面与所述第一副磁钢之间夹设有支撑所述振膜组件的密封圈，所述密封圈的一个端面与所述第一连接面抵接，另一端面覆盖所述让位空间。
更优地，所述第一副磁钢的数量为一对，一对第一副磁钢相对且间隔设置以形成所述让位空间。
更优地，所述扬声器还包括骨架；所述骨架围绕所述磁路系统，所述骨架包括与所述振膜组件相连的第二连接部和远离所述振膜组件的第一连接部。
更优地，所述密封圈为圆环状，所述第一副磁钢为半环状。
更优地，所述振膜组件包括环绕所述第一磁轭且与所述第一磁轭固定的第一音膜，所述第一音膜设有通孔；所述第一音膜包括外缘端、与所述外缘端相对且围绕所述通孔的内缘端以及连接所述外缘端和所述内缘端的第一折环部；第一连接面设于所述内缘端背离第一磁轭的一侧，所述第二连接面与第一连接面相对设置。
更优地，所述第一磁轭包括与所述第一主磁钢相连的底壁与所述底壁相连的侧壁，所述侧壁远离所述底壁的端部与所述第二连接面相连。
更优地，所述第一副磁钢包括与密封圈相连的第一端、与第一端相对的第二端、连接第一端与第二端的侧面，所述第一副磁钢的侧面与第一端之间的夹角为钝角。
更优地，所述振膜组件还包括第二音膜和连接件，所述第二音膜包括中心部、外围部以及连接所述中心部和外围部的第二折环部，所述连接件包括与所述中心部相连的外周端和与外周端相对并与所述第一音膜外缘端相连的内周端；所述扬声器还包括与所述第二音膜外围部固定相连的固定环，所述固定环背离所述第二音膜的一侧与所述盆架固定相连。
更优地，所述扬声器还包括与所述音圈电性相连的柔性线路板；所述盆架包括与所述固定环固定相连的第一侧端和与所述第一侧端相对的第二侧端。
所述磁路系统还包括第二磁性组件和位于第一磁性组件和第二磁性组件之间的导磁组件；所述第二磁性组件包括与所述盆架第二侧端固定相连的第二磁轭、固定于所述第二磁轭上的第二主磁钢和环绕所述第二主磁钢并与所述第二主磁钢形成第二磁间隙的第二副磁钢；所述导磁组件包括位于第一主磁钢和第二主磁钢之间的主导磁片和位于第一副磁钢和第二副磁钢之间的副导磁片。
所述音圈悬置于第一磁间隙和第二磁间隙内。
更优地，所述扬声器还包括设置于所述盆架内的支撑振膜，所述柔性电路板设置于所述骨架背离所述振膜组件的一侧；所述支撑振膜包括与所述柔性电路板靠近所述第二磁轭的一侧相连的自由端、与所述盆架固定相连的固定端、以及与所述自由端和固定端两者相连的中心折环部。
 有益效果
本发明的有益效果在于：利用密封圈使得振膜组件和第一副磁钢之间的位置密封，从而阻止水通过振膜组件而漏入扬声器内部，保证振膜组件不漏水，进而，提高了本发明扬声器的性能。
 附图说明
图1为本发明实施例提供的一种扬声器的立体图。
图2为图1中A-A方向的剖视图。
图3为图1中B-B方向的剖视图。
图4为图3中C处的放大图。
图5为本发明实施例扬声器的分解示意图。
 本发明的最佳实施方式
下面结合附图和实施方式对本发明作进一步说明。
如图1-图5所示，为本发明扬声器的一种实施例。该扬声器包括盆架11，以及收容于盆架11内的磁路系统和振动系统。所述振动系统通过固定环50而固定于盆架11上。
所述振动系统包括一种振膜组件、音圈5和骨架15。该振膜组件包括第二音膜1、与第二音膜1相连的连接件2以及与连接件2相连的第一音膜3。连接件2相当于球顶，用于发声，第一音膜3为中孔状，具有贯穿其上的通孔40，第一音膜3环绕第一磁轭10且与所述第一磁轭10固定相连。第二音膜1包括中心部1a、外围部1b以及连接中心部1a和外围部1b的第二折环部1c，第二折环部1c朝垂直于中心部1a的方向隆起。中心部1a呈环状。连接件2包括与中心部1a相连的外周端2a和与外周端2a相对的内周端2b；第一音膜3包括与连接件的内周端2b相连的外缘端3a和与外缘端3a相对的内缘端3b，以及连接所述外缘端3a和所述内缘端3b的第一折环部3c。通孔40由内缘端3b围绕而成。所述第一音膜3的第一折环部3c包括至少两个隆起部3d。
所述盆架11包括与固定环50固定相连的第一侧端11b和与第一侧端11b相对的第二侧端11a。第二音膜1的外围部1b与固定环50固定相连，从而使振膜组件被固定环50而支撑。
所述磁路系统包括第一磁性组件、第二磁性组件和位于第一磁性组件和第二磁性组件之间的导磁组件；第二磁性组件包括与第二侧端11a固定相连的第二磁轭4、固定于第二磁轭4上的第二主磁钢6和位于第二主磁钢6两侧并与第二主磁钢6形成第二磁间隙19的第二副磁钢8；第一磁性组件包括与第一音膜3内缘端3b固定相连的第一磁轭10、固定于第一磁轭10上的第一主磁钢7和位于第一主磁钢7两侧并与第一主磁钢7形成第一磁间隙18的第一副磁钢9；导磁组件包括位于第二主磁钢6和第一主磁钢7之间的主导磁片12和位于第一副磁钢9和第二副磁钢8之间的副导磁片13；第二磁间隙18和第一磁间隙19相通；音圈5悬置于第二磁间隙18和第一磁间隙19内。
在本实施例中，所述第一副磁钢9的数量为一对，为半环状。半环状的第一副磁钢9相对且间隔设置，间隔的距离形成让位空间30，以供音圈引线提供走线。进一步的是，所述第二副磁钢8和副导磁片13的数量均为一对，也均为半环状。半环状的第二副磁钢8和副导磁片13相对且间隔一定距离，让位空间延伸自第一副磁钢9延伸至第二副磁钢8。
本实施例中，骨架15用于连接振膜组件和音圈，以驱动振膜组件振动。骨架15围绕磁路系统，其包括与连接件2相连的第二连接部15a和与音圈5相连并远离连接件2的第一连接部15b。在本实施例中，所述第一连接部15b自第一副磁钢9之间的让位空间伸入并与所述音圈5固定相连，如图2所示。所述柔性电路板14设置于所述骨架15背离所述振膜组件的一侧。
在本实施例中，所述第一音膜3的内缘端3b设有背离第一磁轭的第一连接面3e，所述第一副磁钢9设有面向所述第一磁轭的固定面9a，所述第一连接面3e和所述固定面9a之间夹设有密封圈20，密封圈20的一个端面与所述第一连接面3e抵接，另一端面覆盖所述让位空间30，并且另一端面还与第一副磁钢9之间相连。本发明密封圈20抵接所述第一连接面3e，密封圈20与第一连接面3e密封相连，使得中孔状的第一音膜与密封圈20的相连的位置处不会漏水，从而保证第一音膜的防水性能。
所述第一音膜3的内缘端3b还设有与第一连接面3e相对的第二连接面3f，所述第二连接面3f与所述第一磁轭9固定相连。此结构保证第一音膜的内缘端3b位于第一磁轭10与第一副磁钢9之间，三者固定相连。
在本实施例中，所述第一磁轭10如盖体状，包括与所述第一主磁钢相连的底壁10a与所述底壁相连的侧壁10b，所述侧壁远离所述底壁的端部与所述第二连接面3f相连。
在本实施例中，所述密封圈20为圆环状，对应地，第一音膜也为圆环状，磁路系统中各器件的外轮廓为圆形。本发明利用密封圈20使得第一音膜3和第一副磁钢9之间的位置密封，从而阻止水通过第一音膜而漏入扬声器内部，保证第一音膜不漏水，进而，提高了本发明扬声器的性能。
更优地，第一副磁钢9包括与密封圈相连的第一端9d、与第一端相对的第二端9b、连接第二端9b和第一端9d的侧面9c，侧面9c与第一端9b之间的夹角为锐角，即，第一副磁钢9的侧面9c形成倾斜面，以为第一音膜3的隆起部形成避让空间。第一端9d设有所述固定面9a，在实施例中，第一端9d形成固定面9a，第一端即为固定面，固定面与密封圈相连。
更优地，扬声器还包括设置于盆架11内的支撑振膜16；支撑振膜16包括与柔性电路板14靠近第二磁轭4的一侧相连的自由端16a、与盆架11固定相连的固定端16b、以及与自由端16a和固定端16b两者相连的中心折环部16c。
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，包括盆架，以及收容于所述盆架内的磁路系统和振动系统；所述振动系统包括振膜组件和驱动所述振膜组件振动的音圈；所述磁路系统包括第一磁性组件，所述第一磁性组件包括第一磁轭、固定于所述第一磁轭上的第一主磁钢和环绕所述第一主磁钢并与所述第一主磁钢形成第一磁间隙的第一副磁钢；所述音圈至少部分悬置于所述第一磁间隙内，其特征在于，
    所述第一副磁钢设有以供音圈引线提供走线的让位空间；
    所述振膜组件包括背离所述第一磁轭的第一连接面和靠近第一磁轭并与第一磁轭相连的第二连接面，所述振膜组件的第一连接面与所述第一副磁钢之间夹设有支撑所述振膜组件的密封圈，所述密封圈的一个端面与所述第一连接面抵接，另一端面覆盖所述让位空间。
  2. 根据权利要求1所述的扬声器，其特征在于，所述第一副磁钢的数量为一对，一对第一副磁钢相对且间隔设置以形成所述让位空间。
  3. 根据权利要求1所述的扬声器，其特征在于，所述扬声器还包括骨架；所述骨架围绕所述磁路系统，所述骨架包括与所述振膜组件相连的第二连接部和远离所述振膜组件的第一连接部。
  4. 根据权利要求2所述的扬声器，其特征在于，所述密封圈为圆环状，所述第一副磁钢为半环状。
  5. 根据权利要求3所述的扬声器，其特征在于，所述振膜组件包括环绕所述第一磁轭且与所述第一磁轭固定的第一音膜，所述第一音膜设有通孔；所述第一音膜包括外缘端、与所述外缘端相对且围绕所述通孔的内缘端以及连接所述外缘端和所述内缘端的第一折环部；
    第一连接面设于所述内缘端背离第一磁轭的一侧，所述第二连接面与第一连接面相对设置。
  6. 根据权利要求1所述的扬声器，其特征在于，所述第一磁轭包括与所述第一主磁钢相连的底壁与所述底壁相连的侧壁，所述侧壁远离所述底壁的端部与所述第二连接面相连。
  7. 根据权利要求1所述的扬声器，其特征在于，所述第一副磁钢包括与密封圈相连的第一端、与第一端相对的第二端、连接第一端与第二端的侧面，所述第一副磁钢的侧面与第一端之间的夹角为钝角。
  8. 根据权利要求5所述的扬声器，其特征在于，所述振膜组件还包括第二音膜和连接件；所述第二音膜包括中心部、外围部以及连接所述中心部和外围部的第二折环部，所述连接件包括与所述中心部相连的外周端和与外周端相对并与所述第一音膜外缘端相连的内周端；所述扬声器还包括与所述第二音膜外围部固定相连的固定环，所述固定环背离所述第二音膜的一侧与所述盆架固定相连。
  9. 根据权利要求8所述的扬声器，其特征在于，所述扬声器还包括与所述音圈电性相连的柔性线路板；所述盆架包括与所述固定环固定相连的第一侧端和与所述第一侧端相对的第二侧端；
    所述磁路系统还包括第二磁性组件和位于第一磁性组件和第二磁性组件之间的导磁组件；所述第二磁性组件包括与所述盆架第二侧端固定相连的第二磁轭、固定于所述第二磁轭上的第二主磁钢和环绕所述第二主磁钢并与所述第二主磁钢形成第二磁间隙的第二副磁钢；所述导磁组件包括位于第一主磁钢和第二主磁钢之间的主导磁片和位于第一副磁钢和第二副磁钢之间的副导磁片；
    所述音圈悬置于第一磁间隙和第二磁间隙内。
  10. 根据权利要求9所述的扬声器，其特征在于：所述扬声器还包括设置于所述盆架内的支撑振膜，所述柔性电路板设置于所述骨架背离所述振膜组件的一侧；所述支撑振膜包括与所述柔性电路板靠近所述第二磁轭的一侧相连的自由端、与所述盆架固定相连的固定端、以及与所述自由端和固定端两者相连的中心折环部。
PCT/CN2020/101024 2020-07-09 2020-07-09 一种扬声器 WO2022006807A1 (zh)

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WO2015047410A1 (en) * 2013-09-30 2015-04-02 Pearl Capital Developments Llc Waterproof speaker module
CN106954149A (zh) * 2017-03-21 2017-07-14 歌尔股份有限公司 微型发声器
CN206596221U (zh) * 2017-03-21 2017-10-27 歌尔科技有限公司 微型发声器
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