WO2020029643A1 - 扬声器 - Google Patents

扬声器 Download PDF

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Publication number
WO2020029643A1
WO2020029643A1 PCT/CN2019/088086 CN2019088086W WO2020029643A1 WO 2020029643 A1 WO2020029643 A1 WO 2020029643A1 CN 2019088086 W CN2019088086 W CN 2019088086W WO 2020029643 A1 WO2020029643 A1 WO 2020029643A1
Authority
WO
WIPO (PCT)
Prior art keywords
bottom wall
magnetic
side wall
leakage hole
frame
Prior art date
Application number
PCT/CN2019/088086
Other languages
English (en)
French (fr)
Inventor
张古清
Original Assignee
瑞声声学科技(深圳)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 瑞声声学科技(深圳)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2020029643A1 publication Critical patent/WO2020029643A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2823—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material
    • H04R1/2826—Vents, i.e. ports, e.g. shape thereof or tuning thereof with damping material for loudspeaker transducers
    • 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
    • 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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • 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
    • H04R9/027—Air gaps using a magnetic fluid
    • 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
    • H04R9/04—Construction, mounting, or centering of coil
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers
    • H04R2400/11—Aspects regarding the frame of loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery

Definitions

  • the utility model relates to the field of acoustic-electric conversion, in particular to a speaker applied to a portable electronic product.
  • the speaker of the related art includes a basin frame, a magnetic circuit system and a vibration system accommodated in the basin frame, the magnetic circuit system is used for driving the vibration system to generate sound, and the magnetic circuit system includes a magnetic frame and a magnetic frame assembled on the magnetic frame and connected with the magnetic frame.
  • the magnetic steel forms a magnetic gap with a magnetic frame.
  • the vibration system includes a diaphragm for vibrating and sounding, and a voice coil connected to the diaphragm at one end and inserted into the magnetic gap at the other end.
  • the voice coil is passed through a current through the voice coil.
  • the Lorentz force in the magnetic field vibrates and drives the diaphragm to make sound.
  • the magnetic frame back plate of the speaker is usually provided with a leakage hole for communicating the magnetic gap and the external space of the speaker.
  • the leakage hole on the magnetic frame back plate is easily printed The circuit board is blocked, which affects the acoustic performance of the speaker and is not conducive to the heat dissipation of the voice coil.
  • the technical problem to be solved by the utility model is to provide a speaker with good leakage and heat dissipation effect.
  • the present invention provides a speaker, which includes a basin frame having a storage space, a vibration system stored in the storage space, and a magnetic circuit system stored in the storage space.
  • a magnetic circuit system is used to drive the vibration system to generate sound.
  • the magnetic circuit system includes a magnetic frame and a magnetic steel housed in the magnetic frame.
  • the magnetic frame includes a bottom wall connected to the magnetic steel, A side wall formed by bending and extending the bottom wall in the direction of the vibration system and a leakage hole provided through the magnetic frame, the leakage hole is provided at a connection between the bottom wall and the side wall and is connected with the accommodation The space is communicated, and the leakage hole includes a first portion provided through the bottom wall and a second portion provided through the side wall, and the first portion and the second portion communicate with each other.
  • the vibration system includes a diaphragm fixed to the basin frame and a voice coil provided on a side of the diaphragm near the magnetic circuit system, and a magnetic gap is formed between the side wall and the magnetic steel. An end of the voice coil far from the diaphragm extends into the magnetic gap, and the leakage hole communicates with the magnetic gap.
  • the voice coil is spaced from the bottom wall.
  • the bottom wall is rectangular
  • the side wall includes a pair of short side walls corresponding to the width direction of the bottom wall and oppositely disposed and a pair of long sides corresponding to the length direction of the bottom wall and oppositely disposed
  • the side wall, and the leakage hole is provided at a connection between the long side wall and the bottom wall and / or a connection between the short side wall and the bottom wall.
  • the leakage hole is provided at a connection between the long side wall and the bottom wall, and the leakage hole is provided in a plurality and spaced from each other.
  • a support portion is formed to protrude outward from the outside of the short side wall away from the magnetic steel, and the support portion is supported on a side of the basin frame remote from the vibration system.
  • the basin frame includes an annular frame opposite to the side wall and a bottom plate fixed to an end of the annular frame near the bottom wall, and the bottom plate is provided with an opening corresponding to the bottom wall, and the bottom A wall covers the opening and is fixed to the bottom plate, and the side wall bends and extends in the direction of the vibration system through the opening.
  • a groove is formed on a side of the bottom plate remote from the vibration system, and the support portion is received in the groove.
  • the first portion and the second portion are both rectangular.
  • the area of the first portion is equal to the area of the second portion.
  • the speaker provided by the present utility model is provided with the leakage hole on the magnetic frame to communicate with the receiving space in the basin frame, and the leakage hole includes a space provided through the bottom wall.
  • the first part and the second part provided through the side wall improve the leakage and heat dissipation effect of the speaker, thereby improving the acoustic performance of the speaker; at the same time, since the leakage hole further includes the side
  • the second portion provided on the wall is such that even if the first portion is blocked after the speaker is assembled, leakage and heat dissipation of the speaker are not affected too much.
  • FIG. 1 is a schematic diagram of a three-dimensional structure of a speaker of the present invention
  • FIG. 2 is a schematic exploded structure diagram of a speaker of the present invention
  • FIG. 3 is a schematic view of a three-dimensional structure of the magnetic frame shown in FIG. 2 at another angle;
  • FIG. 4 is a perspective view of the speaker of the present invention from another angle
  • Fig. 5 is a sectional view taken along line A-A shown in Fig. 4.
  • the utility model provides a speaker 100 including a magnetic circuit system 10, a vibration system 20, a basin frame 30 having a receiving space and containing the magnetic circuit system 10 and the vibration system 20, and connected to the vibration system 20. ⁇ Flexible circuit board 40.
  • the magnetic circuit system 10 is used to drive the vibration system 20 to generate sound.
  • the magnetic circuit system 10 includes a magnetic frame 11 fixed to the basin frame 30 and a magnetic steel 12 housed in the magnetic frame 11.
  • the magnetic frame 11 includes a bottom wall 111 abutting the magnetic steel 12, a side wall 112 formed by bending and extending from the bottom wall 111 in the direction of the vibration system 20, and a leak provided through the magnetic frame 11. ⁇ 113 ⁇ Hole 113.
  • the bottom wall 111 is rectangular, and the side wall 112 includes a pair of short side walls 1121 corresponding to the width direction of the bottom wall 111 and a pair of short side walls 1121 corresponding to the length direction of the bottom wall 111.
  • the two short side walls 1121 and the two long side walls 1122 may be connected to each other end to end to form a rectangular ring structure, or there is a gap between the short side walls 1121 and the long side walls 1122 without a connection relationship.
  • the gap 114 is provided with four and is located at the two short side walls 1121 and the two long side walls. The end of 1122.
  • a support portion 1125 is formed to protrude outward from the short side wall 1121 away from the magnetic steel 12, and the support portion 1125 is supported on a side of the basin frame 30 away from the vibration system 20.
  • the leakage hole 113 is provided at a connection between the bottom wall 111 and the side wall 112 and communicates with the accommodation space.
  • the leakage hole 113 includes a first portion 1131 provided through the bottom wall 111 and a second portion 1132 provided through the side wall 112. The first portion 1131 and the second portion 1132 communicate with each other.
  • the first portion 1131 and the second portion 1132 are both rectangular, and the area of the first portion 1131 is equal to the area of the second portion 1132.
  • the leakage hole 113 is composed of the first portion 1131 and the second portion 1132 together
  • the second part 1132 performs leakage and heat dissipation, thereby increasing the acoustic performance of the speaker 100.
  • the leakage hole 113 is partially formed in the magnetic frame 11, even if the leakage hole 113 is opened, the performance of the speaker 100 is not affected.
  • the leakage hole 113 is provided at the connection between the long side wall 1122 and the bottom wall 111 and / or the connection between the short side wall 1121 and the bottom wall 111. In this embodiment, the leakage hole 113 is provided at a connection between the long sidewall 1122 and the bottom wall 111.
  • the long side wall 1122 includes a first long side wall 1123 and a second long side wall 1124 disposed opposite to the first long side wall 1123.
  • the leakage hole 113 is located at the connection between the second long side wall 1124 and the bottom wall 111, and the leakage hole 113 is located at the connection between the first long side wall 1123 and the bottom wall 111.
  • the leakage hole 113 at the connection between the second long side wall 1124 and the bottom wall 111 is directly opposite.
  • the magnetic steel 12 is spaced from the sidewall 112 to form a magnetic gap.
  • the leakage hole 113 is in communication with the magnetic gap.
  • the vibration system 20 includes a diaphragm 21 fixed to the basin frame 30 and a voice coil 22 disposed on a side of the diaphragm 21 near the magnetic circuit system 10.
  • the voice coil 22 is spaced from the bottom wall 111, and an end of the voice coil 22 far from the diaphragm extends into the magnetic gap.
  • the basin frame 30 includes an annular frame 31 opposite to the side wall 112 and a bottom plate 32 fixed to an end of the annular frame 31 near the bottom wall 111.
  • the bottom plate 32 is provided with an opening 321 corresponding to the bottom wall 111.
  • the bottom wall 111 covers the opening 321 and is fixed to the bottom plate 32.
  • the side wall 112 passes through the opening to the vibration system 20. Bend in direction.
  • a groove 322 is formed in a recessed side of the bottom plate 32 away from the vibration system 20, and the support portion 1125 is received in the groove 322.
  • the flexible circuit board 40 is connected to the voice coil 22 for communicating the voice coil 22 with an external circuit.
  • the flexible circuit board 40 is disposed around the side wall 112 and is inserted into the space surrounded by the side wall 112 through the gap 114 to be connected to the voice coil 22, and the flexible circuit board 40 is connected to the voice coil 22.
  • the bottom plate 32 is fixedly connected.
  • the speaker provided by the present utility model is provided with the leakage hole on the magnetic frame to communicate with the receiving space in the basin frame, and the leakage hole includes a space provided through the bottom wall.
  • the first part and the second part provided through the side wall improve the leakage and heat dissipation effect of the speaker, thereby improving the acoustic performance of the speaker; at the same time, since the leakage hole further includes the side
  • the second portion provided on the wall is such that even if the first portion is blocked after the speaker is assembled, leakage and heat dissipation of the speaker are not affected too much.

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

Abstract

本实用新型提供了一种扬声器，其包括具有收容空间的盆架，以及收容在所述收容空间内的振动***和收容在所述收容空间内的磁路***，所述磁路***用于驱动所述振动***振动发声，所述磁路***包括磁框及收容于所述磁框内的磁钢，所述磁框包括与所述磁钢连接的底壁、自所述底壁向所述振动***方向弯折延伸形成的侧壁及贯穿所述磁框设置的泄漏孔，所述泄漏孔设于所述底壁与所述侧壁的连接处并与所述收容空间连通，所述泄漏孔包括贯穿所述底壁设置的第一部分及贯穿所述侧壁设置的第二部分，所述第一部分与所述第二部分相互连通。与相关技术相比，本实用新型提供的扬声器的声学性能和散热效果更佳。

Description

扬声器 技术领域
本实用新型涉及声电转换领域，尤其涉及一种运用于便携式电子产品的扬声器。
 背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。目前，手机的功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的扬声器被大量应用到现在的智能移动设备之中。
相关技术的扬声器包括盆架、收容于所述盆架内的磁路***及振动***，磁路***用于驱动振动***振动发声，磁路***包括磁框及装配于所述磁框上且与磁框形成磁间隙的磁钢，振动***包括用于振动发声的振膜及与一端与振膜连接且另一端***磁间隙内的音圈，通过在音圈上通入电流从而使得音圈在磁场中受到洛伦兹力发生振动，并带动振膜振动发声。
然而，相关技术中的扬声器的磁框背板上通常会设置有用于连通磁间隙与扬声器外部空间的泄漏孔，但是当扬声器装配于扬声器箱中后，磁框背板上的泄漏孔容易被印刷电路板堵塞，从而影响扬声器的声学性能，也不利于音圈的散热。
因此，有必要提供一种新的扬声器来解决上述问题。
 技术问题
本实用新型要解决的技术问题是提供一种泄漏与散热效果良好的扬声器。
 技术解决方案
为解决上述技术问题，本实用新型提供了一种扬声器，其包括具有收容空间的盆架、以及收容在所述收容空间内的振动***和收容在所述收容空间内的磁路***，所述磁路***用于驱动所述振动***振动发声，所述磁路***包括磁框及收容于所述磁框内的磁钢，所述磁框包括与所述磁钢连接的底壁、自所述底壁向所述振动***方向弯折延伸形成的侧壁及贯穿所述磁框设置的泄漏孔，所述泄漏孔设于所述底壁与所述侧壁的连接处并与所述收容空间连通，所述泄漏孔包括贯穿所述底壁设置的第一部分及贯穿所述侧壁设置的第二部分，所述第一部分与所述第二部分相互连通。
优选的，所述振动***包括与所述盆架固定的振膜以及设置在所述振膜靠近所述磁路***一侧的音圈，所述侧壁与所述磁钢之间形成磁间隙，所述音圈远离所述振膜的一端延伸至所述磁间隙内，所述泄漏孔与所述磁间隙连通。
优选的，所述音圈与所述底壁间隔设置。
优选的，所述底壁呈矩形，所述侧壁包括对应于所述底壁的宽度方向且相对设置的一对短侧壁和对应于所述底壁的长度方向且相对设置的一对长侧壁，所述泄漏孔设于所述长侧壁与所述底壁的连接处和/或所述短侧壁与所述底壁的连接处。
优选的，所述泄漏孔设于所述长侧壁与所述底壁的连接处，所述泄漏孔设有多个且相互间隔设置。
优选的，所述短侧壁远离所述磁钢的外侧向外突出形成有支撑部，所述支撑部支撑在所述盆架远离所述振动***的一侧。
优选的，所述盆架包括与所述侧壁相对的环形框架以及固定在所述环形框架靠近所述底壁一端的底板，所述底板开设有与所述底壁对应的开口，所述底壁覆盖所述开口并与所述底板固定，所述侧壁经所述开口向所述振动***方向弯折延伸。
优选的，所述底板远离所述振动***的一侧凹陷形成有凹槽，所述支撑部收容在所述凹槽内。
优选的，所述第一部分与所述第二部分均呈矩形。
优选的，所述第一部分面积与所述第二部分面积相等。
 有益效果
与相关技术相比，本实用新型提供的扬声器在所述磁框上设置有所述泄漏孔与所述盆架内的所述收容空间连通，所述泄漏孔包括贯穿所述底壁设置的所述第一部分和贯穿所述侧壁设置的所述第二部分，提升了所述扬声器的泄漏和散热效果，从而提升了所述扬声器的声学性能；同时由于所述泄漏孔还包括贯穿所述侧壁设置的所述第二部分，使得即使所述扬声器装配后所述第一部分受到堵塞，所述扬声器的泄漏与散热也不会受到过多影响。
 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为本实用新型扬声器的立体结构示意图；
图2为本实用新型扬声器的分解结构示意图；
图3为图2所示磁框另一角度的立体结构示意图；
图4为本实用新型扬声器的另一角度立体结构示意图；
图5为沿图4所示A-A线的剖视图。
 本发明的实施方式
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。
请参阅图1和图2。本实用新型提供了一种扬声器100，其包括磁路***10、振动***20、具有收容空间并***述磁路***10和所述振动***20的盆架30及与所述振动***20连接的柔性电路板40。所述磁路***10用于驱动所述振动***20振动发声。
所述磁路***10包括固定于所述盆架30的磁框11、收容于所述磁框11内的磁钢12。
请结合参阅图3。所述磁框11包括与所述磁钢12抵接的底壁111、自所述底壁111向所述振动***20方向弯折延伸形成的侧壁112及贯穿所述磁框11设置的泄漏孔113。
所述底壁111呈矩形，所述侧壁112包括对应于所述底壁111的宽度方向且相对设置的一对短侧壁1121和对应于所述底壁111的长度方向且相对设置的一对长侧壁1122。两所述短侧壁1121与两所述长侧壁1122之间可相互首尾互相连接呈矩形环状结构或所述短侧壁1121与所述长侧壁1122之间存在间隙无连接关系。本实施例中两所述短侧壁1121与两所述长侧壁1122之间存在间隙114，所述间隙114设有四个并分别位于两所述短侧壁1121与两所述长侧壁1122的端部。
所述短侧壁1121远离所述磁钢12的外侧向外突出形成有支撑部1125，所述支撑部1125支撑在所述盆架30远离所述振动***20一侧。
所述泄漏孔113设于所述底壁111与所述侧壁112的连接处并与所述收容空间连通。具体的，所述泄漏孔113包括贯穿所述底壁111设置的第一部分1131及贯穿所述侧壁112设置的第二部分1132，所述第一部分1131与所述第二部分1132互相连通。
所述第一部分1131与所述第二部分1132均呈矩形，且所述第一部分1131面积与所述第二部分1132面积相等。
可以理解的是，通过将所述泄漏孔113设置于所述底壁111与所述侧壁112的连接处，即所述泄漏孔113由所述第一部分1131与所述第二部分1132共同组成，提升了所述扬声器100的泄漏和散热效果，同时在所述扬声器100装配后即使印刷电路板覆盖于所述底壁111上将所述第一部分1131堵塞，所述扬声器100依然能通过所述第二部分1132进行泄漏与散热，从而增加了所述扬声器100的声学性能。并且由于所述泄漏孔113是在所述磁框11上进行局部开孔形成，使得即使开设所述泄漏孔113也不会影响到所述扬声器100的性能。
所述泄漏孔113设于所述长侧壁1122与所述底壁111的连接处和/或所述短侧壁1121与所述底壁111的连接处，在本实施例中所述泄漏孔113设于所述长侧壁1122与所述底壁111的连接处。
具体的，所述长侧壁1122包括第一长侧壁1123及与所述第一长侧壁1123相对设置的第二长侧壁1124。所述泄漏孔113设有四个，四个所述泄漏孔113相互间隔设置，其中两个所述泄漏孔113位于所述第一长侧壁1123与所述底壁111连接处，另外两个所述泄漏孔113位于所述第二长侧壁1124与所述底壁111连接处，位于所述第一长侧壁1123与所述底壁111连接处的所述泄漏孔113与位于所述第二长侧壁1124与所述底壁111连接处的泄漏孔113正对设置。
所述磁钢12与所述侧壁112间隔设置形成磁间隙。所述泄露孔113与所述磁间隙连通。
请结合参阅图4和图5。所述振动***20包括与所述盆架30固定的振膜21以及设置在所述振膜21靠近所述磁路***10一侧的音圈22。
所述音圈22与所述底壁111间隔设置，且所述音圈22远离所述振膜的一端延伸至所述磁间隙内。
所述盆架30包括与所述侧壁112相对的环形框架31以及固定在所述环形框架31靠近所述底壁111一端的底板32。
所述底板32开设有与所述底壁111对应的开口321，所述底壁111覆盖所述开口321并与所述底板32固定，所述侧壁112经所述开口向所述振动***20方向弯折延伸。同时，所述底板32远离所述振动***20一侧凹陷形成有凹槽322，所述支撑部1125收容于所述凹槽322内。
所述柔性电路板40与所述音圈22连接用于将所述音圈22与外界电路连通。
具体的，所述柔性电路板40围绕所述侧壁112设置并通过所述间隙114***所述侧壁112围成的空间内与所述音圈22连接，且所述柔性电路板40与所述底板32固定连接。
与相关技术相比，本实用新型提供的扬声器在所述磁框上设置有所述泄漏孔与所述盆架内的所述收容空间连通，所述泄漏孔包括贯穿所述底壁设置的所述第一部分和贯穿所述侧壁设置的所述第二部分，提升了所述扬声器的泄漏和散热效果，从而提升了所述扬声器的声学性能；同时由于所述泄漏孔还包括贯穿所述侧壁设置的所述第二部分，使得即使所述扬声器装配后所述第一部分受到堵塞，所述扬声器的泄漏与散热也不会受到过多影响。
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. 一种扬声器，其包括具有收容空间的盆架、以及收容在所述收容空间内的振动***和收容在所述收容空间内的磁路***，所述磁路***用于驱动所述振动***振动发声，所述磁路***包括磁框及收容于所述磁框内的磁钢，其特征在于，所述磁框包括与所述磁钢连接的底壁、自所述底壁向所述振动***方向弯折延伸形成的侧壁及贯穿所述磁框设置的泄漏孔，所述泄漏孔设于所述底壁与所述侧壁的连接处并与所述收容空间连通，所述泄漏孔包括贯穿所述底壁设置的第一部分及贯穿所述侧壁设置的第二部分，所述第一部分与所述第二部分相互连通。
  2. 根据权利要求1所述的扬声器，其特征在于，所述振动***包括与所述盆架固定的振膜以及设置在所述振膜靠近所述磁路***一侧的音圈，所述侧壁与所述磁钢之间形成磁间隙，所述音圈远离所述振膜的一端延伸至所述磁间隙内，所述泄漏孔与所述磁间隙连通。
  3. 根据权利要求2所述的扬声器，其特征在于，所述音圈与所述底壁间隔设置。
  4. 根据权利要求1所述的扬声器，其特征在于，所述底壁呈矩形，所述侧壁包括对应于所述底壁的宽度方向且相对设置的一对短侧壁和对应于所述底壁的长度方向且相对设置的一对长侧壁，所述泄漏孔设于所述长侧壁与所述底壁的连接处和/或所述短侧壁与所述底壁的连接处。
  5. 根据权利要求4所述的扬声器，其特征在于，所述泄漏孔设于所述长侧壁与所述底壁的连接处，所述泄漏孔设有多个且相互间隔设置。
  6. 根据权利要求4所述的扬声器，其特征在于，所述短侧壁远离所述磁钢的外侧向外突出形成有支撑部，所述支撑部支撑在所述盆架远离所述振动***的一侧。
  7. 根据权利要求6所述的扬声器，其特征在于，所述盆架包括与所述侧壁相对的环形框架以及固定在所述环形框架靠近所述底壁一端的底板，所述底板开设有与所述底壁对应的开口，所述底壁覆盖所述开口并与所述底板固定，所述侧壁经所述开口向所述振动***方向弯折延伸。
  8. 根据权利要求7所述的扬声器，其特征在于，所述底板远离所述振动***的一侧凹陷形成有凹槽，所述支撑部收容在所述凹槽内。
  9. 根据权利要求1所述的扬声器，其特征在于，所述第一部分与所述第二部分均呈矩形。
  10. 根据权利要求9所述的扬声器，其特征在于，所述第一部分面积与所述第二部分面积相等。
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