WO2021003754A1 - 扬声器箱 - Google Patents

扬声器箱 Download PDF

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Publication number
WO2021003754A1
WO2021003754A1 PCT/CN2019/095755 CN2019095755W WO2021003754A1 WO 2021003754 A1 WO2021003754 A1 WO 2021003754A1 CN 2019095755 W CN2019095755 W CN 2019095755W WO 2021003754 A1 WO2021003754 A1 WO 2021003754A1
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WO
WIPO (PCT)
Prior art keywords
cavity
upper cover
rear cavity
diaphragm
speaker box
Prior art date
Application number
PCT/CN2019/095755
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English (en)
French (fr)
Inventor
孟义明
张古清
庞威
Original Assignee
瑞声声学科技(深圳)有限公司
瑞声光电科技(常州)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 瑞声光电科技(常州)有限公司 filed Critical 瑞声声学科技(深圳)有限公司
Publication of WO2021003754A1 publication Critical patent/WO2021003754A1/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
    • 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

Definitions

  • This application relates to the technical field of sound-to-electric conversion, and in particular to a speaker box.
  • the speaker box includes an upper cover, a basin frame, a vibration system, and a magnetic circuit system.
  • the vibration system includes a diaphragm.
  • the upper cover and the diaphragm form a front cavity.
  • the diaphragm, basin frame and magnetic circuit system cooperate to form a rear cavity.
  • the rear cavity is closed.
  • wearable devices or mobile phones when the speaker box is energized, the temperature of the rear cavity rises due to heat, which causes the pressure in the back cavity to increase, thereby forcing the diaphragm of the speaker box to move toward the sound cavity. , Weaken the vibration of the diaphragm, make the sound of the speaker box smaller or silent.
  • the speaker box includes an upper cover, a basin frame, a vibration system, and a magnetic circuit system.
  • the vibration system includes a diaphragm.
  • the upper cover and the diaphragm form a front cavity.
  • the diaphragm, basin frame and magnetic circuit system cooperate to form a rear cavity.
  • the rear cavity is closed.
  • wearable devices or mobile phones when the speaker box is energized, the temperature of the rear cavity rises due to heat, which causes the pressure in the back cavity to increase, thereby forcing the diaphragm of the speaker box to move toward the sound cavity. , Weaken the vibration of the diaphragm, make the sound of the speaker box smaller or silent.
  • the purpose of the present invention is to provide a speaker box capable of balancing the air pressure of the front cavity and the rear cavity.
  • the present invention provides a speaker box including an upper shell, a lower shell that cooperates with the upper shell to form an accommodation space, and a speaker unit accommodated in the accommodation space.
  • the speaker unit includes a diaphragm for vibrating and sounding, and An upper cover arranged between the diaphragm and the upper case, the upper case, the upper cover and the diaphragm form a front acoustic cavity, the lower case, the upper case, the upper cover and the The diaphragm cooperates to form a rear cavity.
  • the rear cavity includes a first rear cavity arranged in the speaker unit and a second rear cavity located outside the speaker unit and communicating with the first rear cavity.
  • the upper cover is opened There is a through hole connecting the front acoustic cavity and the second rear cavity.
  • the speaker unit further includes a vent fixedly connected to the upper cover, and the vent completely covers the through hole.
  • the breathable member is a breathable waterproof membrane.
  • the speaker unit further includes a basin frame fixedly connected to the upper cover, the basin frame is provided with a leakage hole, and the leakage hole communicates with the first rear cavity and the second rear cavity.
  • the upper cover includes a top wall arranged in parallel and spaced apart from the diaphragm, and a side wall extending from the edge of the top wall in a direction close to the basin frame, and the side wall is fixedly connected to the basin frame.
  • the edge of the diaphragm is sandwiched between the side wall and the basin frame, and the through hole is provided in the side wall.
  • the side wall includes an inner surface close to the accommodating space and an outer surface opposite to the inner surface, the outer surface is recessed in a direction close to the inner surface to form a groove, and the through hole is connected to The grooves communicate.
  • the ventilation member is contained in the groove, and the thickness of the ventilation member is less than or equal to the depth of the groove.
  • the air-permeable member includes two fixed parts arranged at intervals in parallel and a connecting part connecting the two fixed parts, the fixed part and the connecting part are integrally formed, and the fixed part is fixedly connected to the side wall ,
  • the connecting portion and the fixing portion cooperate to form a notch, and the notch is arranged directly opposite to the through hole.
  • the number of the through holes is multiple, and the multiple through holes are sequentially spaced apart.
  • the upper cover is provided with a through hole connecting the front sound cavity and the second rear cavity
  • the basin frame is provided with the first rear cavity and the second rear cavity.
  • the leak hole in the back cavity makes the front acoustic cavity, the second back cavity and the first back cavity communicate in sequence, so that the air pressure in the front acoustic cavity and the back cavity can be kept in a balanced state, avoiding the The gas in the back cavity expands and squeezes the diaphragm to move, ensuring the vibration of the diaphragm and improving the acoustic performance of the speaker box.
  • the breathable member completely covers the through hole 13, which can increase the The waterproof performance of the speaker box.
  • Fig. 1 is a schematic diagram of a three-dimensional structure of a speaker box provided by the present invention
  • Figure 2 is a schematic diagram of an exploded structure of the speaker box shown in Figure 1;
  • Figure 3 is an enlarged view of area III shown in Figure 2;
  • Fig. 4 is a schematic diagram of another angle of the upper cover shown in Fig. 2;
  • Figure 5 is a cross-sectional view of the speaker box shown in Figure 1 along the line V-V;
  • Fig. 6 is a cross-sectional view of the speaker box shown in Fig. 1 along the line VI-VI.
  • the present invention provides a speaker box 100.
  • the speaker box 100 includes an upper shell 10, a lower shell 20 that cooperates with the upper shell 10 to form an accommodating space, and speakers accommodated in the accommodating space Monomer 30.
  • the upper housing 10 includes a top plate 101, a side plate 102 bent and extended from the edge of the top plate 101 in the direction of the lower housing 20, and a side plate 102 extending from the middle area of the top plate 101 in a direction close to the speaker unit 30 Support plate 103.
  • the lower shell 20 is correspondingly arranged on the side plate 102, and the speaker unit 30 abuts on the supporting plate 103.
  • the top plate 101 is provided with a sound outlet 1010 communicating with the outside, the speaker unit 30 vibrates and produces sound, and the sound outlet 1010 is used to conduct sound to the outside.
  • the sound emitting unit 30 includes an upper cover 1, a basin frame 2 fixedly connected to the upper cover 1, and a diaphragm 3 sandwiched between the upper cover 1 and the basin frame 2.
  • the upper cover 1 is sandwiched between the diaphragm 3 and the upper casing 10, the upper casing 10, the upper cover 1 and the diaphragm 3 form a front acoustic cavity 40, and the lower casing 20,
  • the upper shell 10, the upper cover 1 and the diaphragm 3 cooperate to form a rear cavity 50
  • the upper cover 1 is also provided with a sound guide channel 60 connecting the front acoustic cavity 40 and the sound outlet 1010,
  • the front acoustic cavity 40 and the sound guide channel 60 together form a front cavity 70.
  • the rear cavity 50 includes a first rear cavity 51 disposed in the speaker unit 30 and a second rear cavity 52 located outside the speaker unit 30 and communicating with the first rear cavity 51.
  • the upper cover 1 and the upper shell 10 are fixedly connected by an adhesive layer 90.
  • the adhesive layer 90 is in a rectangular ring shape and is disposed between the top plate 101 and the upper cover 1.
  • the upper cover 1 includes a top wall 11 arranged in parallel and spaced apart from the diaphragm 3 and a side wall 12 extending from the edge of the top wall 11 in a direction close to the basin frame 2. Further, the upper cover 1 A through hole 13 connecting the front acoustic cavity 40 and the second rear cavity 52 is also opened.
  • the side wall 12 is fixedly connected to the basin frame 2, and the edge of the diaphragm 3 is sandwiched between the side wall 12 and the basin frame 2, so that the diaphragm 3 is firmly connected and is not easy to fall off.
  • the side wall 12 includes an inner surface 121 close to the accommodating space 10 and an outer surface 122 disposed opposite to the inner surface 121.
  • the outer surface 122 is recessed and formed with a groove 120 toward the inner surface 121.
  • the through hole 13 communicates with the groove 120.
  • the number of the through holes 13 may be one or multiple. When the number of the through holes 13 is multiple, a plurality of the through holes 13 are sequentially arranged at intervals.
  • the through hole 13 can be provided on the long side of the side wall 12, can also be provided on the short side of the side wall 12, and can also be provided on the long side and the short side of the side wall 12 at the same time. The invention does not limit this.
  • the longitudinal cross-sectional shape of the through hole 13 may be a circle, a square, a triangle or other irregular shapes, which does not affect the conduction performance of the through hole 13, which is not limited in the present invention.
  • the basin frame 2 is provided with a leakage hole 21, and the leakage hole 21 communicates with the first rear cavity 51 and the second rear cavity 52 for balancing the first rear cavity 51 and the first rear cavity 51 2.
  • the air pressure in the rear cavity 52 reduces high frequency noise.
  • the speaker unit 30 further includes a vent 4 fixedly connected to the upper cover 1, and the vent 4 completely covers the through hole 13.
  • the ventilation member 4 is fixedly connected to the side wall 12 and is completely contained in the groove 120, and the thickness of the ventilation member 4 is less than or equal to the depth of the groove 120, so that the ventilation After the installation of the component 4 is completed, the side of the ventilation component 4 away from the receiving space will not protrude from the outer surface 122, which will not affect the assembly of the speaker box 100 and other components.
  • the breathable member is a breathable waterproof membrane, which can ensure the smooth flow of gas and at the same time play a waterproof role.
  • the air-permeable member 4 includes two fixing portions 41 arranged in parallel and spaced apart and a connecting portion 42 connecting the two fixing portions 41, the fixing portion 41 and the connecting portion 42 are integrally formed, and the fixing portion 41 Fixedly connected to the side wall 12, the connecting portion 42 and the fixing portion 41 cooperate to form a notch 43, the notch 43 is arranged directly opposite to the through hole 13, and the through hole 13 faces the air-permeable member
  • the projection in 4 directions completely falls within the range of the connecting portion 42. It is understandable that the arrangement of the notch 43 makes the thickness of the connecting portion 42 smaller than the thickness of the fixing portion 41, which can increase the air permeability of the air-permeable member 4.
  • the through hole 13 communicates with the second rear cavity 52 and the front acoustic cavity 40
  • the leakage hole 21 communicates with the first rear cavity 51 and the second rear cavity 52, which can balance the front acoustic cavity 40
  • the pressure difference with the back cavity 50 prevents the diaphragm 3 from moving under the pressure of the gas in the second back cavity 52, ensures the vibration of the diaphragm 3, and improves the acoustics of the speaker box 100 performance.
  • the upper cover 1 is provided with a through hole 13 connecting the front sound cavity 40 and the second rear cavity 52
  • the basin frame 2 is provided with the first The leakage hole 21 of the back cavity 51 and the second back cavity 52
  • the front acoustic cavity 40 and the The air pressure in the back cavity 50 can be maintained in a balanced state, to prevent the gas in the back cavity 50 from expanding and squeezing the diaphragm 3 to move, ensuring the vibration of the diaphragm 3, and improving the acoustic performance of the speaker box 100
  • the air-permeable member 4 completely covers the through hole 13, which can increase the waterproof performance of the speaker box 100.

Abstract

本发明提供了一种扬声器箱，包括上壳、与所述上壳配合形成收容空间的下壳及收容于所述收容空间的扬声器单体，所述扬声器单体包括用于振动发声的振膜以及设置于所述振膜与所述上壳之间的上盖，所述上壳、上盖与所述振膜形成前声腔，所述下壳、所述上壳、所述上盖及所述振膜配合形成后腔，所述后腔包括设置于所述扬声器单体内的第一后腔以及位于扬声器单体外且与所述第一后腔连通的第二后腔，所述上盖开设有连通所述前声腔与所述第二后腔的贯穿孔。与相关技术相比，本发明提供的扬声器箱中前声腔与后腔内的气压平衡，声学性能良好。

Description

扬声器箱 技术领域
本申请涉及声电转换技术领域，尤其涉及一种扬声器箱。
 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箱被大量应用到现在的智能移动设备之中。
相关技术中，扬声器箱包括上盖、盆架、振动系统和磁路系统，振动系统包括振膜，上盖和振膜间隔形成前腔，振膜、盆架和磁路系统配合形成后腔，所述后腔封闭，在穿戴类设备或手机中，当扬声器箱通电工作时，由于发热原因使后腔温度升高，导致后腔腔体内压力增大，从而压迫扬声器箱振膜向前声腔移动，削弱了振膜的振动量，使扬声器箱声音变小或无声。
因此，实有必要提供一种新的扬声器箱以解决上述问题。
 技术问题
相关技术中，扬声器箱包括上盖、盆架、振动系统和磁路系统，振动系统包括振膜，上盖和振膜间隔形成前腔，振膜、盆架和磁路系统配合形成后腔，所述后腔封闭，在穿戴类设备或手机中，当扬声器箱通电工作时，由于发热原因使后腔温度升高，导致后腔腔体内压力增大，从而压迫扬声器箱振膜向前声腔移动，削弱了振膜的振动量，使扬声器箱声音变小或无声。
 技术解决方案
本发明的目的在于提供一种能够平衡前腔与后腔气压的扬声器箱。
本发明提供一种扬声器箱，包括上壳、与所述上壳配合形成收容空间的下壳及收容于所述收容空间的扬声器单体，所述扬声器单体包括用于振动发声的振膜以及设置于所述振膜与所述上壳之间的上盖，所述上壳、上盖与所述振膜形成前声腔，所述下壳、所述上壳、所述上盖及所述振膜配合形成后腔，所述后腔包括设置于所述扬声器单体内的第一后腔以及位于扬声器单体外且与所述第一后腔连通的第二后腔，所述上盖开设有连通所述前声腔与所述第二后腔的贯穿孔。
优选的，所述扬声器单体还包括与所述上盖固定连接的透气件，所述透气件完全覆盖所述贯穿孔。
优选的，所述透气件为透气防水膜。
优选的，所述扬声器单体还包括与所述上盖固定连接的盆架，所述盆架开设有泄漏孔，所述泄漏孔连通所述第一后腔与所述第二后腔。
优选的，所述上盖包括与振膜平行间隔设置的顶壁以及自所述顶壁的边缘向靠近所述盆架方向延伸的侧壁，所述侧壁与所述盆架固定连接，所述振膜的边缘夹设于所述侧壁和所述盆架之间，所述贯穿孔设置于所述侧壁。
优选的，所述侧壁包括靠近所述收容空间的内侧表面及与所述内侧表面相对设置的外侧表面，所述外侧表面向靠近所述内侧表面方向凹陷形成有凹槽，所述贯穿孔与所述凹槽连通。
优选的，所述透气件收容于所述凹槽，且所述透气件的厚度小于或等于所述凹槽的深度。
优选的，所述透气件包括两平行间隔设置的固定部以及连接两个所述固定部的连接部，所述固定部和所述连接部一体成型，所述固定部与所述侧壁固定连接，所述连接部与所述固定部配合形成一缺口，所述缺口与所述贯穿孔正对设置。
优选的，所述贯穿孔的数量为多个，多个所述贯穿孔依次间隔设置。
 有益效果
与相关技术相比，本发明提供的扬声器箱中，所述上盖上设有连通前声腔与第二后腔的贯穿孔，所述盆架设有连通所述第一后腔与所述第二后腔的泄漏孔，使得所述前声腔、所述第二后腔及所述第一后腔依次连通，使得所述前声腔与所述后腔内的气压可以保持在平衡状态，避免所述后腔内的气体膨胀挤压所述振膜移动，保证了所述振膜的振动量，提高了扬声器箱的声学性能，同时，所述透气件完全覆盖所述贯穿孔13，可以增加所述扬声器箱的防水性能。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所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申请的一些实施例，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为本发明提供的扬声器箱的立体结构示意图；
图2为图1所示的扬声器箱的分解结构示意图；
图3为图2所示III区域的放大图；
图4为图2所示上盖的另一角度示意图；
图5为图1所示的扬声器箱沿V-V线的剖视图；
图6为图1所示的扬声器箱沿VI-VI线的剖视图。
 本发明的最佳实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。
请结合参阅图1-6，本发明提供一种扬声器箱100，所述扬声器箱100包括上壳10、与所述上壳10配合形成收容空间的下壳20以及收容于所述收容空间的扬声器单体30。
所述上壳10包括顶板101、自所述顶板101的边缘向所述下壳20方向弯折延伸的侧板102以及自所述顶板101的中间区域向靠近所述扬声器单体30方向延伸的支撑板103。所述下壳20对应盖设于所述侧板102，所述扬声器单体30抵接于所述支撑板103上。
所述顶板101开设有与外界连通的出声口1010，所述扬声器单体30振动发声，所述出声口1010用于将声音传导至外界。
所述发声单体30包括上盖1、与所述上盖1固定连接的盆架2以及夹设于所述上盖1与所述盆架2之间的振膜3。所述上盖1夹设于所述振膜3与所述上壳10之间，所述上壳10、所述上盖1与所述振膜3形成前声腔40，所述下壳20、所述上壳10、所述上盖1与所述振膜3配合形成后腔50，所述上盖1还开设有连通所述前声腔40与所述出声口1010的导声通道60，所述前声腔40和所述导声通道60共同组成前腔70。进一步的，所述后腔50包括设置于所述扬声器单体30内的第一后腔51以及位于所述扬声器单体30外且与所述第一后腔51连通的第二后腔52。
所述上盖1与所述上壳10通过胶层90固定连接，具体的，所述胶层90呈矩形环状，设置于所述顶板101和所述上盖1之间。
所述上盖1包括与所述振膜3平行间隔设置的顶壁11以及自所述顶壁11的边缘向靠近所述盆架2方向延伸的侧壁12，进一步的，所述上盖1还开设有连通所述前声腔40与所述第二后腔52的贯穿孔13。
所述侧壁12与所述盆架2固定连接，所述振膜3的边缘夹设于所述侧壁12和所述盆架2之间，使得所述振膜3连接牢靠，不易脱落。
所述侧壁12包括靠近所述收容空间10的内侧表面121以及与所述内侧表面121相对设置的外侧表面122，所述外侧表面122向靠近所述内侧表面121方向凹陷形成有凹槽120，所述贯穿孔13与所述凹槽120连通。
所述贯穿孔13的数量可以为一个，也可以为多个，当所述贯穿孔13的数量为多个时，多个所述贯穿孔13依次间隔设置。所述贯穿孔13可以设置在所述侧壁12的长边上，也可以设置所述侧壁12的短边上，还可以同时设置在所述侧壁12的长边和短边上，本发明对此不做限制。
所述贯穿孔13的纵截面形状可以为圆形、方形、三角形或其他不规则的形状，其不影响所述贯穿孔13的导通性能，本发明对此不做限制。
进一步的，所述盆架2开设有泄漏孔21，所述泄漏孔21连通所述第一后腔51与所述第二后腔52，用于平衡所述第一后腔51和所述第二后腔52内的气压，降低高频噪音。
所述扬声器单体30还包括与所述上盖1固定连接的透气件4，所述透气件4完全覆盖所述贯穿孔13。具体的，所述透气件4与所述侧壁12固定连接，并完全收容于所述凹槽120内，所述透气件4的厚度小于或等于所述凹槽120的深度，使得所述透气件4安装完成后，所述透气件4远离所述收容空间的一面不会凸出所述外侧表面122，不影响所述扬声器箱100与其他器件的装配。优选的，所述透气件为透气防水膜，可保证气体的顺利流通，同时可以起到防水作用。
进一步的，所述透气件4包括两平行间隔设置的固定部41以及连接两个所述固定部41的连接部42，所述固定部41和所述连接部42一体成型，所述固定部41与所述侧壁12固定连接，所述连接部42与所述固定部41配合形成一缺口43，所述缺口43与所述贯穿孔13正对设置，所述贯穿孔13向所述透气件4方向的投影完全落入所述连接部42的范围内。可以理解的是，所述缺口43的设置，使得所述连接部42的厚度小于所述固定部41的厚度，可以增加所述透气件4的透气性能。
所述扬声器箱100使用过程中，由于温度升高，所述第二后腔52内温度升高，空气受热膨胀，导致所述第二后腔52和所述第一后腔51内压力增大，所述贯穿孔13连通所述第二后腔52与所述前声腔40，所述泄漏孔21连通所述第一后腔51和所述第二后腔52，可以平衡所述前声腔40与所述后腔50的压差，避免所述振膜3在所述第二后腔52内气体压迫下移动，保证了所述振膜3的振动量，提高了所述扬声器箱100的声学性能。
与相关技术相比，本发明提供的扬声器箱100中，所述上盖1上设有连通前声腔40与第二后腔52的贯穿孔13，所述盆架2设有连通所述第一后腔51与所述第二后腔52的泄漏孔21，使得所述前声腔40、所述第二后腔52及所述第一后腔51依次连通，使得所述前声腔40与所述后腔50内的气压可以保持在平衡状态，避免所述后腔50内的气体膨胀挤压所述振膜3移动，保证了所述振膜3的振动量，提高了扬声器箱100的声学性能，同时，所述透气件4完全覆盖所述贯穿孔13，可以增加所述扬声器箱100的防水性能。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其它相关的技术领域，均同理包括在本发明的专利保护范围内。
 本发明的实施方式
在此处键入本发明的实施方式描述段落。
 工业实用性
在此处键入工业实用性描述段落。
 序列表自由内容
在此处键入序列表自由内容描述段落。

Claims (10)

  1. 一种扬声器箱，包括上壳、与所述上壳配合形成收容空间的下壳及收容于所述收容空间的扬声器单体，所述扬声器单体包括用于振动发声的振膜以及设置于所述振膜与所述上壳之间的上盖，所述上壳、上盖与所述振膜形成前声腔，所述下壳、所述上壳、所述上盖及所述振膜配合形成后腔，所述后腔包括设置于所述扬声器单体内的第一后腔以及位于扬声器单体外且与所述第一后腔连通的第二后腔，其特征在于，所述上盖开设有连通所述前声腔与所述第二后腔的贯穿孔。
  2. 根据权利要求1所述的扬声器箱，其特征在于，所述扬声器单体还包括与所述上盖固定连接的透气件，所述透气件完全覆盖所述贯穿孔。
  3. 根据权利要求2所述的扬声器箱，其特征在于，所述透气件为透气防水膜。
  4. 根据权利要求2所述的扬声器箱，其特征在于，所述扬声器单体还包括与所述上盖固定连接的盆架，所述盆架开设有泄漏孔，所述泄漏孔连通所述第一后腔与所述第二后腔。
  5. 根据权利要求4所述的扬声器箱，其特征在于，所述上盖包括与振膜平行间隔设置的顶壁以及自所述顶壁的边缘向靠近所述盆架方向延伸的侧壁，所述侧壁与所述盆架固定连接，所述振膜的边缘夹设于所述侧壁和所述盆架之间，所述贯穿孔设置于所述侧壁。
  6. 根据权利要求5所述的扬声器箱，其特征在于，所述侧壁包括靠近所述收容空间的内侧表面及与所述内侧表面相对设置的外侧表面，所述外侧表面向靠近所述内侧表面方向凹陷形成有凹槽，所述贯穿孔与所述凹槽连通。
  7. 根据权利要求6所述的扬声器箱，其特征在于，所述透气件收容于所述凹槽，且所述透气件的厚度小于或等于所述凹槽的深度。
  8. 根据权利要求7所述的扬声器箱，其特征在于，所述透气件包括两平行间隔设置的固定部以及连接两个所述固定部的连接部，所述固定部和所述连接部一体成型，所述固定部与所述侧壁固定连接，所述连接部与所述固定部配合形成一缺口，所述缺口与所述贯穿孔正对设置。
  9. 根据权利要求1所述的扬声器箱，其特征在于，所述贯穿孔的数量为多个，多个所述贯穿孔依次间隔设置。
  10. 在此处键入权利要求项10。
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