WO2022006954A1 - Loudspeaker module - Google Patents

Loudspeaker module Download PDF

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Publication number
WO2022006954A1
WO2022006954A1 PCT/CN2020/102384 CN2020102384W WO2022006954A1 WO 2022006954 A1 WO2022006954 A1 WO 2022006954A1 CN 2020102384 W CN2020102384 W CN 2020102384W WO 2022006954 A1 WO2022006954 A1 WO 2022006954A1
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WO
WIPO (PCT)
Prior art keywords
sound
wall
bottom wall
cavity
fixed
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PCT/CN2020/102384
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French (fr)
Chinese (zh)
Inventor
丁健华
吴树文
胡橙
沈凯华
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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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
Publication of WO2022006954A1 publication Critical patent/WO2022006954A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/02Casings; Cabinets ; Supports therefor; Mountings therein
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02Details
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06Loudspeakers

Definitions

  • the sound-generating unit is spaced apart from the bottom wall to form a front sound cavity, and the side wall is provided with a sound outlet channel connecting the front sound cavity and the outside.
  • the beneficial effect of the present application is that the accommodating space is divided into the accommodating cavity for accommodating the sound-emitting component and the sound-absorbing cavity for accommodating the sound-absorbing material by the isolation component, and the isolation component, the retaining wall and the bottom wall are enclosed to form the accommodating cavity. All areas outside can be filled with sound-absorbing materials, so that there is a lot of space in the speaker module in this embodiment for filling with sound-absorbing materials, and the acoustic performance of the speaker module is improved. , through the supporting action of the support frame on the air-permeable spacer, deformation due to the pressure of the sound-absorbing material can be prevented, thereby making the acoustic performance of the speaker module in this embodiment more stable.
  • Fig. 2 is the exploded schematic diagram of the loudspeaker module in Fig. 1;
  • a gap is left between the air-permeable spacer 310 and the sound-generating unit 200 in this embodiment, and further, the sound-generating unit 200 and the air-permeable spacer 310 communicate with each other, which is more favorable for The propagation of sound can improve the acoustic performance of the speaker module in this embodiment.
  • the speaker module in this embodiment can not only be conveniently produced and assembled, but also can maximize the use of the space of the cavity for filling the sound-absorbing material, so that the acoustic performance can be well improved.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

The present application provides a loudspeaker module, comprising a housing having an accommodating space, and a sound-producing unit and an isolation assembly which are accommodated and fixed in the housing; the sound-producing unit comprises a diaphragm, the housing comprises a bottom wall directly facing the diaphragm, a top wall opposite to and spaced apart from the bottom wall, and side walls extending from the bottom wall towards the top wall in a bending manner, and the bottom wall, the side walls, and the top wall form the accommodating space in an enclosed manner; a retaining wall is provided, in a protruding manner, in a direction from the side of the bottom wall close to the diaphragm towards the top wall, the isolation assembly covers the retaining wall and is fixed at the end of the retaining wall away from the bottom wall, the isolation assembly divides the accommodating space into an accommodating cavity for accommodating the sound-producing unit and a sound-absorbing cavity for accommodating a sound-absorbing material, the isolation assembly, the retaining wall, and the bottom wall form the accommodating cavity in an enclosed manner, and the sound-absorbing cavity is located between the isolation assembly and the top wall; and the isolation assembly comprises an air-permeable isolation member and support frames for supporting the air-permeable isolation member, the support frames are held on the air-permeable isolation member, and the air-permeable isolation member abuts against and is fixed to the retaining wall. The support frames can prevent the air-permeable isolation member from being deformed due to the pressing of the sound-absorbing material.

Description

扬声器模组speaker module 技术领域technical field
本申请涉及电声领域,尤其涉及一种扬声器模组。The present application relates to the field of electro-acoustics, and in particular, to a speaker module.
背景技术Background technique
在现如今的移动互联网时代,智能移动终端设备的数量不断上升,对移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。In today's mobile Internet era, the number of intelligent mobile terminal devices is constantly increasing, and the requirements for mobile terminals are getting higher and higher, one of which is the requirement for high-quality sound quality functions.
技术问题technical problem
一些技术中为了获得更好的声学效果,往往在扬声器模组内部空腔内填充吸音材料,并用透气隔离件将吸音材料封装起来,但是由于透气隔离件多为软性材料制成,因此,在吸音材料的压迫下,透气隔离件容易变形且贴合在扬声器发声单体的表面,进而影响扬声器的声学性能。In some technologies, in order to obtain better acoustic effects, sound-absorbing materials are often filled in the internal cavity of the speaker module, and the sound-absorbing materials are encapsulated with breathable spacers. However, since the breathable spacers are mostly made of soft materials, in Under the pressure of the sound-absorbing material, the air-permeable spacer is easily deformed and attached to the surface of the speaker sound-emitting unit, thereby affecting the acoustic performance of the speaker.
因此,有必要提供一种新型的扬声器模组来解决上述问题。Therefore, it is necessary to provide a new type of speaker module to solve the above problems.
技术解决方案technical solutions
本申请的目的在于提供一种扬声器模组,声学性能更加稳定。The purpose of the present application is to provide a speaker module with more stable acoustic performance.
本申请的技术方案如下:一种扬声器模组,包括具有收容空间的壳体以及收容固定于所述壳体的发声单体和隔离组件,所述发声单体包括振膜,所述壳体包括与所述振膜正对的底壁、与所述底壁相对且间隔设置的顶壁以及自所述底壁朝所述顶壁弯折延伸的侧壁,所述底壁、所述侧壁及所述顶壁围成所述收容空间;The technical solution of the present application is as follows: a speaker module includes a housing with a housing space, a sound-emitting unit and an isolation assembly that are housed and fixed on the housing, the sound-emitting unit includes a vibrating membrane, and the housing includes A bottom wall facing the diaphragm, a top wall opposite to the bottom wall and spaced apart, and a side wall bent and extended from the bottom wall toward the top wall, the bottom wall, the side wall and the top wall encloses the receiving space;
所述底壁靠近所述振膜的一侧朝所述顶壁方向凸设有挡墙,所述隔离组件盖设并固定在所述挡墙远离所述底壁的一端,所述隔离组件将所述收容空间分隔成***述发声单体的容纳腔以及收容吸音材料的吸音腔,所述隔离组件、所述挡墙及所述底壁围合形成所述容纳腔,所述吸音腔位于所述隔离组件与所述顶壁之间;The side of the bottom wall close to the vibrating membrane is protruded from the top wall with a blocking wall, the isolation component is covered and fixed on the end of the blocking wall away from the bottom wall, and the isolation component will The accommodating space is divided into a accommodating cavity for accommodating the sound-emitting unit and a sound-absorbing cavity for accommodating sound-absorbing materials, the isolation component, the retaining wall and the bottom wall are enclosed to form the accommodating cavity, and the sound-absorbing cavity is located in the cavity. between the isolation assembly and the top wall;
所述隔离组件包括透气隔离件和用于支撑所述透气隔离件且硬度大于所述透气隔离件的支撑骨架,所述支撑骨架固持于所述透气隔离件上,所述透气隔离件与所述挡墙抵接并固定;所述容纳腔经所述透气隔离件与所述吸音腔连通。The isolation assembly includes a breathable spacer and a support frame for supporting the breathable spacer and having a hardness greater than that of the breathable spacer, the support frame is fixed on the breathable spacer, and the breathable spacer is connected to the breathable spacer. The blocking wall is abutted and fixed; the accommodating cavity is communicated with the sound-absorbing cavity through the air-permeable isolation member.
作为进一步地,所述透气隔离件包括与所述底壁相对的主体部、自主体部边缘朝向所述底壁的方向延伸形成的侧部以及自所述侧部靠近所述底壁的一端的边缘朝向所述侧壁的方向延伸形成的固定部,所述固定部与所述挡墙抵接并固定;所述支撑骨架包括固持于所述主体部的横支撑部、自所述横支撑部两端朝向所述底壁延伸形成并固持于所述侧部的竖支撑部以及自所述竖支撑部靠近所述底壁的一端朝向所述侧壁方向延伸形成并固持于所述固定部的边支撑部。 As a further aspect, the air-permeable separator includes a main body portion opposite to the bottom wall, a side portion extending from the edge of the main body portion toward the bottom wall, and an end from the side portion close to the bottom wall. a fixed portion formed by an edge extending in the direction of the side wall, the fixed portion is abutted and fixed with the blocking wall; the support frame includes a horizontal support portion fixed on the main body portion, a horizontal support portion from the horizontal support portion A vertical support portion with both ends extending toward the bottom wall and fixed on the side portion, and a vertical support portion extending from the end of the vertical support portion close to the bottom wall toward the side wall and fixed on the fixing portion. side support.
作为进一步地,所述横支撑部、所述竖支撑部及所述边支撑部中的至少一个为间隔设置的条形阵列结构。Further, at least one of the horizontal support portion, the vertical support portion and the side support portion is a strip-shaped array structure arranged at intervals.
作为进一步地,所述固定部与所述挡墙超声焊接固定或胶合固定。As a further example, the fixing portion is ultrasonically welded or fixed with the retaining wall.
作为进一步地,所述支撑骨架固持于所述透气隔离件靠近所述底壁的一侧上。As further, the support frame is fixed on a side of the air-permeable spacer close to the bottom wall.
作为进一步地,所述支撑骨架夹持于所述发声单体与所述透气隔离件之间。 As further, the support frame is clamped between the sound-generating unit and the air-permeable spacer.
作为进一步地,所述底壁朝所述发声单体方向还凸设有支撑所述发声单体的支撑壁,所述支撑壁抵接在所述发声单体周缘并与所述发声单体粘接。 As a further example, the bottom wall is further protruded with a supporting wall for supporting the sound generating unit toward the sound generating unit, and the supporting wall abuts on the periphery of the sound generating unit and is adhered to the sound generating unit. catch.
作为进一步地,所述发声单体与所述底壁间隔形成前声腔,所述侧壁开设有连通所述前声腔与外部的出音通道。 As a further example, the sound-generating unit is spaced apart from the bottom wall to form a front sound cavity, and the side wall is provided with a sound outlet channel connecting the front sound cavity and the outside.
作为进一步地,所述挡墙、所述支撑壁及所述底壁一体成型设置。As a further example, the retaining wall, the supporting wall and the bottom wall are integrally formed.
作为进一步地,所述底壁和/或所述顶壁上开设有注入孔,所述注入孔与所述吸音腔连通,所述吸音材料经所述注入孔填充至所述吸音腔内;所述扬声器模组还包括密封盖,所述密封盖盖设在所述注入孔上。 As further, an injection hole is opened on the bottom wall and/or the top wall, the injection hole is communicated with the sound-absorbing cavity, and the sound-absorbing material is filled into the sound-absorbing cavity through the injection hole; The speaker module further includes a sealing cover, and the sealing cover is arranged on the injection hole.
作为进一步地,所述顶壁和/或所述底壁还贯穿开设有与所述注入孔间隔设置的泄漏孔,所述扬声器模组还包括贴设于所述顶壁和/或所述底壁并覆盖所述泄漏孔的透气网布,所述泄漏孔的孔径小于所述注入孔的孔径。As a further example, the top wall and/or the bottom wall also have a leakage hole disposed through the top wall and/or the bottom wall spaced apart from the injection hole. A ventilated mesh cloth that is walled and covers the leakage holes, and the diameter of the leakage holes is smaller than that of the injection holes.
有益效果beneficial effect
本申请的有益效果在于:过隔离组件将收容空间分割成收容发声组件的容纳腔以及收容吸音材料的吸音腔,隔离组件、挡墙及底壁围合形成容纳腔,由于收容空间内除容纳腔外的所有区域均能够填充吸音材料,从而使本实施例中的扬声器模组内具有大量的空间可用于填充吸音材料,提高了扬声器模组的声学性能,通过透气隔离件上设置有若干支撑骨架,通过支撑骨架对透气隔离件的支撑作用,能够防止因吸音材料的压迫而变形,进而使本实施例中的扬声器模组的声学性能更加稳定。The beneficial effect of the present application is that the accommodating space is divided into the accommodating cavity for accommodating the sound-emitting component and the sound-absorbing cavity for accommodating the sound-absorbing material by the isolation component, and the isolation component, the retaining wall and the bottom wall are enclosed to form the accommodating cavity. All areas outside can be filled with sound-absorbing materials, so that there is a lot of space in the speaker module in this embodiment for filling with sound-absorbing materials, and the acoustic performance of the speaker module is improved. , through the supporting action of the support frame on the air-permeable spacer, deformation due to the pressure of the sound-absorbing material can be prevented, thereby making the acoustic performance of the speaker module in this embodiment more stable.
附图说明Description of drawings
图1为本申请一实施例的扬声器模组的整体结构示意图;1 is a schematic diagram of the overall structure of a speaker module according to an embodiment of the application;
图2为图1中的扬声器模组的分解示意图;Fig. 2 is the exploded schematic diagram of the loudspeaker module in Fig. 1;
图3为图1中的扬声器模组A-A处的剖视图;3 is a cross-sectional view of the speaker module A-A in FIG. 1;
图4为图1中的挡墙与透气隔离件的装配示意图;Fig. 4 is the assembly schematic diagram of the retaining wall and the ventilation spacer in Fig. 1;
图5为图1中的隔离组件的结构示意图;FIG. 5 is a schematic structural diagram of the isolation assembly in FIG. 1;
图6为图1中的支架的整体结构示意图;Fig. 6 is the overall structure schematic diagram of the bracket in Fig. 1;
图中:100、壳体;101、容纳腔;102、吸音腔;103、前声腔;104、注入孔;105、泄漏孔;110、底壁;120、顶壁;130、侧壁;131、出音通道;140、挡墙;150、支撑壁;160、密封盖;170、透气网布;200、发声单体;210、振膜;300、隔离组件;310、透气隔离件;311、主体部;312、侧部;313、固定部;320、支撑骨架;321、横支撑部;322、竖支撑部;323、边支撑部;400、防尘透气网布。In the figure: 100, shell; 101, accommodating cavity; 102, sound-absorbing cavity; 103, front acoustic cavity; 104, injection hole; 105, leakage hole; 110, bottom wall; 120, top wall; 130, side wall; 131, Sound channel; 140, retaining wall; 150, supporting wall; 160, sealing cover; 170, breathable mesh cloth; 200, sounding monomer; 210, diaphragm; 300, isolation component; 310, breathable spacer; 311, main body part; 312, side part; 313, fixed part; 320, support frame; 321, horizontal support part; 322, vertical support part; 323, side support part; 400, dustproof and breathable mesh.
本发明的实施方式Embodiments of the present invention
为进一步说明各实葹例,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。To further illustrate each practical example, the present application provides accompanying drawings. These drawings are a part of the disclosure content of the present application, and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant description of the specification to explain the operation principles of the embodiments. With reference to these contents, one of ordinary skill in the art will understand other possible implementations and advantages of the present application. Components in the figures are not drawn to scale, and similar component symbols are often used to represent similar components.
下面结合附图和实施方式对本申请作进一步说明。The present application will be further described below with reference to the accompanying drawings and embodiments.
请参考图1至图6,本申请一实施例提供了一种扬声器模组,本实施例中的扬声器模组包括具有收容空间的壳体100以及收容固定于所述壳体100的发声单体200和隔离组件300。Please refer to FIG. 1 to FIG. 6 , an embodiment of the present application provides a speaker module. The speaker module in this embodiment includes a housing 100 having a receiving space and a sound-generating unit accommodated and fixed to the housing 100 . 200 and isolation assembly 300.
请参考图2、图3以及图6,本实施例中的发声单体200包括振膜210,所述壳体100包括与所述振膜210正对的底壁110、与所述底壁110相对且间隔设置的顶壁120以及自所述底壁110朝所述顶壁120弯折延伸的侧壁130,所述底壁110、所述侧壁130及所述顶壁120围成所述收容空间。Please refer to FIG. 2 , FIG. 3 and FIG. 6 , the sound generating unit 200 in this embodiment includes a diaphragm 210 , and the housing 100 includes a bottom wall 110 facing the diaphragm 210 , and the bottom wall 110 The top wall 120 is opposite and spaced apart, and the side wall 130 is bent and extended from the bottom wall 110 to the top wall 120 . The bottom wall 110 , the side wall 130 and the top wall 120 enclose the containment space.
优选地,所述顶壁120与所述侧壁130远离所述底壁110的一端超声波焊接或胶合。Preferably, the top wall 120 and the end of the side wall 130 away from the bottom wall 110 are ultrasonically welded or glued.
请参考图2、图3以及图6,本实施例中的所述底壁110靠近所述振膜210的一侧朝所述顶壁120方向凸设有挡墙140,所述隔离组件300盖设并固定在所述挡墙140远离所述底壁110的一端,所述隔离组件300将所述收容空间分隔成***述发声单体200的容纳腔101以及收容吸音材料的吸音腔102,所述隔离组件300、所述挡墙140及所述底壁110围合形成所述容纳腔101,所述吸音腔102位于所述隔离组件300与所述顶壁120之间,具体地,所述吸音腔102由所述隔离组件300、所述挡墙140、所述底壁110以及所述顶壁120围合形成。由于收容空间内除容纳腔101外的所有区域均能够填充吸音材料,从而使收容空间内具有大量的空间可用于填充吸音材料,提高了扬声器模组的声学性能。Please refer to FIG. 2 , FIG. 3 and FIG. 6 , in this embodiment, a side of the bottom wall 110 close to the diaphragm 210 is protruded with a blocking wall 140 toward the top wall 120 , and the isolation component 300 covers Set and fixed on the end of the retaining wall 140 away from the bottom wall 110, the isolation assembly 300 divides the accommodation space into a accommodating cavity 101 for accommodating the sound-emitting unit 200 and a sound-absorbing cavity 102 for accommodating the sound-absorbing material, The isolation component 300 , the retaining wall 140 and the bottom wall 110 form the accommodating cavity 101 , and the sound-absorbing cavity 102 is located between the isolation component 300 and the top wall 120 . The sound-absorbing cavity 102 is formed by the isolation component 300 , the retaining wall 140 , the bottom wall 110 and the top wall 120 . Since all areas of the accommodation space except the accommodation cavity 101 can be filled with sound-absorbing materials, there is a large amount of space in the accommodation space for filling with sound-absorbing materials, which improves the acoustic performance of the speaker module.
请参考图2、图3以及图5,本实施例中的所述隔离组件300包括透气隔离件310和用于支撑所述透气隔离件310且硬度大于所述透气隔离件310的支撑骨架320,所述支撑骨架320固持于所述透气隔离件310上,所述透气隔离件310与所述挡墙140抵接并固定;所述容纳腔101经所述透气隔离件310与所述吸音腔102连通。由于所述支撑骨架320的硬度强于所述透气隔离件310的硬度,通过支撑骨架320对透气隔离件310的支撑作用,能够防止因吸音材料的压迫而变形,进而使本实施例中的扬声器模组的声学性能更加稳定。Please refer to FIG. 2 , FIG. 3 and FIG. 5 , the isolation assembly 300 in this embodiment includes a breathable spacer 310 and a support frame 320 for supporting the breathable spacer 310 and having a hardness greater than that of the breathable spacer 310 , The support frame 320 is fixed on the breathable spacer 310 , and the breathable spacer 310 is abutted and fixed with the retaining wall 140 ; the accommodating cavity 101 is connected to the sound-absorbing cavity 102 through the breathable spacer 310 . Connected. Since the hardness of the support frame 320 is stronger than that of the air-permeable spacer 310 , the support function of the support frame 320 to the air-permeable spacer 310 can prevent deformation due to the pressure of the sound-absorbing material, thereby making the speaker in this embodiment The acoustic performance of the module is more stable.
优选地,所述支撑骨架320固持于所述透气隔离件310靠近所述底壁110的一侧上,进一步优选地,所述支撑骨架320夹持于所述发声单体200与所述透气隔离件310之间。当然,在某些实施例中,所述支撑骨架320也可以固持于所述透气隔离件310远离所述底壁110的一侧上。Preferably, the support frame 320 is held on the side of the air-permeable spacer 310 close to the bottom wall 110 , and further preferably, the support frame 320 is clamped on the sound-generating unit 200 and is separated from the breathable spacer between 310 pieces. Of course, in some embodiments, the supporting frame 320 may also be fixed on the side of the air-permeable insulating member 310 away from the bottom wall 110 .
请参考图5,本实施例中的所述透气隔离件310包括与所述底壁110相对的主体部311、自主体部311边缘朝向所述底壁110的方向延伸形成的侧部312以及自所述侧部312靠近所述底壁110的一端的边缘朝向所述侧壁130的方向延伸形成的固定部313,所述固定部313与所述挡墙140抵接并固定;所述支撑骨架320包括固持于所述主体部311的横支撑部321、自所述横支撑部321两端朝向所述底壁110延伸形成并固持于所述侧部312的竖支撑部322以及自所述竖支撑部322靠近所述底壁110的一端朝向所述侧壁130方向延伸形成并固持于所述固定部313的边支撑部323。通过将透气隔离件310设置为具有侧部312和主体部311的立体状,从而可以在能够将发声单体200覆盖的基础上,降低挡墙140的高度,从而可以相应地增大透气隔离件310的面积以增大可供声音穿过的面积,也可适当增加吸音腔102的体积,以填充更多的吸音材料,进一步提高声学性能。Referring to FIG. 5 , the breathable spacer 310 in this embodiment includes a main body 311 opposite to the bottom wall 110 , a side portion 312 extending from the edge of the main body 311 toward the bottom wall 110 , and a side portion 312 . The edge of the side portion 312 close to one end of the bottom wall 110 is a fixing portion 313 formed by extending toward the side wall 130 . The fixing portion 313 is abutted and fixed with the retaining wall 140 ; the support frame 320 includes a horizontal support portion 321 fixed on the main body portion 311 , a vertical support portion 322 extending from both ends of the horizontal support portion 321 toward the bottom wall 110 and fixed on the side portion 312 , and a vertical support portion 322 from the vertical support portion 321 . One end of the support portion 322 close to the bottom wall 110 is formed to extend toward the side wall 130 and fixed to the side support portion 323 of the fixing portion 313 . By arranging the air-permeable spacer 310 in a three-dimensional shape with the side portion 312 and the main body portion 311 , the height of the blocking wall 140 can be reduced on the basis of covering the sound-generating unit 200 , so that the air-permeable spacer can be correspondingly increased. The area of 310 can be increased to increase the area for sound to pass through, and the volume of the sound-absorbing cavity 102 can also be appropriately increased to fill more sound-absorbing materials and further improve the acoustic performance.
优选地,所述横支撑部321、所述竖支撑部322及所述边支撑部323中的至少一个为间隔设置的条形阵列结构。需要说明的是,所述条形阵列结构可以为平行结构,也可以为交叉结构。Preferably, at least one of the horizontal support portion 321 , the vertical support portion 322 and the side support portion 323 is a bar-shaped array structure arranged at intervals. It should be noted that the strip-shaped array structure may be a parallel structure or a cross structure.
进一步优选地,所述支撑骨架320具有多个,多个所述支撑骨架320平行且间隔固持于所述透气隔离件310上,当然,还可以是多个所述支撑骨架320交叉地固持于所述透气隔离件310上,从而使其支撑效果更好。Further preferably, there are a plurality of the support frames 320, and the plurality of the support frames 320 are held on the ventilation spacer 310 in parallel and spaced apart. on the ventilating spacer 310, so that the supporting effect is better.
一些相关技术中,透气隔离件310往往放置在发声单体200的侧方,进而使放置发声单体200的容纳腔101占据很大的空间,致使吸音腔102太小,声学性能未能显著改善,另外,在一些相关技术中,透气隔离件310并非组成容纳腔101的一部分,从而使透气隔离件310与容纳腔101之间的部分空间不能充分利用,致使吸音腔102太小,声学性能未能显著改善。为解决上述问题,请参考图2-图4,本实施例中的所述透气隔离件310位于所述发声单体200背离振膜211的一侧,所以所述透气隔离件310的面积也足够大,进而能够大大的提高所述容纳腔101与吸音腔102的空气流通通的顺畅性能,能够更好的提高本实施例中的扬声器模组的声学性能,而且所述透气隔离件310为组成所述容纳腔101的一部分,进而能够很好的利用所述顶壁120与所述透气隔离件310之间的空间以放置所述吸音材料。In some related technologies, the air-permeable spacer 310 is often placed on the side of the sound-generating unit 200, so that the accommodating cavity 101 where the sound-generating unit 200 is placed occupies a large space, so that the sound-absorbing cavity 102 is too small, and the acoustic performance cannot be significantly improved. In addition, in some related technologies, the air-permeable spacer 310 does not constitute a part of the accommodating cavity 101, so that part of the space between the air-permeable spacer 310 and the accommodating cavity 101 cannot be fully utilized, resulting in the sound-absorbing cavity 102 being too small, and the acoustic performance is poor. can be significantly improved. In order to solve the above problem, please refer to FIGS. 2 to 4 . In this embodiment, the ventilating spacer 310 is located on the side of the sounding unit 200 away from the diaphragm 211 , so the area of the ventilating spacer 310 is also sufficient. It can greatly improve the smooth performance of the air circulation between the accommodating cavity 101 and the sound-absorbing cavity 102, and can better improve the acoustic performance of the speaker module in this embodiment, and the breathable spacer 310 is composed of A part of the accommodating cavity 101 can make good use of the space between the top wall 120 and the air-permeable spacer 310 to place the sound-absorbing material.
本实施例中的所述底壁110与所述挡墙140一体成型设置,优选为一体注塑成型,以简化生产装配。In this embodiment, the bottom wall 110 and the retaining wall 140 are integrally formed, preferably integrally injection-molded, to simplify production and assembly.
优选地,所述容纳腔101的形状与所述发声单体200相适配,可以减小放置所述发声单体200的空间,从而可以留出更多的空间用于放置所述吸音材料,以使本实施例中的扬声器模组的低频声学性能更佳。Preferably, the shape of the accommodating cavity 101 is adapted to the sound-generating unit 200, so that the space for placing the sound-generating unit 200 can be reduced, so that more space can be reserved for placing the sound-absorbing material, In order to make the low-frequency acoustic performance of the speaker module in this embodiment better.
请参考图2、图3以及图6,本实施例中的所述底壁110朝所述发声单体200方向还凸设有支撑所述发声单体200的支撑壁150,所述支撑壁150抵接在所述发声单体200周缘并与所述发声单体200粘接。优选地,所述发声单体200与所述支撑壁150超声焊接固定或胶合固定。Please refer to FIG. 2 , FIG. 3 and FIG. 6 , in this embodiment, the bottom wall 110 further protrudes toward the sound-generating unit 200 with a support wall 150 for supporting the sound-generating unit 200 . It abuts on the periphery of the sound-generating unit 200 and is bonded to the sound-generating unit 200 . Preferably, the sound generating unit 200 and the support wall 150 are ultrasonically welded and fixed or glued.
请参考图3,本实施例中的所述透气隔离件310与所述发声单体200之间留有间隙,进而,所述发声单体200与所述透气隔离件310之间连通,更利于声音的传播,能够提高本实施例中的扬声器模组的声学性能。Referring to FIG. 3 , a gap is left between the air-permeable spacer 310 and the sound-generating unit 200 in this embodiment, and further, the sound-generating unit 200 and the air-permeable spacer 310 communicate with each other, which is more favorable for The propagation of sound can improve the acoustic performance of the speaker module in this embodiment.
本实施例中的所述吸音材料由沸石颗粒制成,当然还可以是由其它可改善声学性能的材料制成。The sound-absorbing material in this embodiment is made of zeolite particles, and of course can also be made of other materials that can improve acoustic performance.
本实施例中的所述透气隔离件310为透气网布,所述透气隔离件310还可以是无纺布、尼龙编织网、羊毛编织网、金属网或纸张等。The breathable spacer 310 in this embodiment is a breathable mesh cloth, and the breathable spacer 310 may also be a non-woven fabric, a nylon woven mesh, a wool knitted mesh, a metal mesh, or paper.
请参考图3,本实施例中的所述发声单体200与所述底壁110间隔形成前声腔103,所述侧壁130开设有连通所述前声腔103与外部的出音通道131。具体地,所述出音通道131远离所述发声单体200的一端与外界连通,所述出音通道131靠近所述发声单体200的一端与所述前声腔103连通。Referring to FIG. 3 , in this embodiment, the sound generating unit 200 is spaced from the bottom wall 110 to form a front sound cavity 103 , and the side wall 130 defines a sound outlet channel 131 connecting the front sound cavity 103 and the outside. Specifically, one end of the sound outlet channel 131 away from the sound producing unit 200 communicates with the outside world, and one end of the sound outlet channel 131 close to the sound producing unit 200 communicates with the front acoustic cavity 103 .
请参考图1-图3,本实施例中的所述扬声器模组还包括贴设于所述侧壁130并覆盖在所述出音通道131远离所述发声单体200一端的防尘透气网布400。Please refer to FIGS. 1 to 3 , the speaker module in this embodiment further includes a dust-proof ventilation net attached to the side wall 130 and covering the end of the sound outlet channel 131 away from the sound-emitting unit 200 Cloth 400.
请参考图1、图2以及图6,本实施例中的所述底壁110和/或所述顶壁120上开设有注入孔104,所述注入孔104与所述吸音腔102连通,所述吸音材料经所述注入孔104填充至所述吸音腔102内。Please refer to FIG. 1 , FIG. 2 and FIG. 6 , in this embodiment, the bottom wall 110 and/or the top wall 120 is provided with an injection hole 104 , and the injection hole 104 communicates with the sound absorbing cavity 102 , so The sound-absorbing material is filled into the sound-absorbing cavity 102 through the injection hole 104 .
请参考图2,本实施例中的壳体100还包括密封盖160,所述密封盖160盖设在所述注入孔104上。具体地,当通过所述注入孔104向所述吸音腔102内填充完成所述吸音材料后,用所述密封盖160将所述注入孔104密封。Referring to FIG. 2 , the housing 100 in this embodiment further includes a sealing cover 160 , and the sealing cover 160 covers the injection hole 104 . Specifically, after the sound-absorbing material is filled into the sound-absorbing cavity 102 through the injection hole 104 , the injection hole 104 is sealed with the sealing cover 160 .
请参考图2以及图5,本实施例中的所述顶壁120和/或所述底壁110还贯穿开设有与所述注入孔104间隔设置的泄漏孔105,通过所述泄漏孔105能够平衡所述吸音腔102的内外声压,所述扬声器模组还包括贴设于所述顶壁120和/或所述底壁110并覆盖所述泄漏孔105的透气网布170,所述泄漏孔105的孔径小于所述注入孔104的孔径。Please refer to FIG. 2 and FIG. 5 , in this embodiment, the top wall 120 and/or the bottom wall 110 also have a leakage hole 105 disposed therethrough and spaced apart from the injection hole 104 . To balance the internal and external sound pressures of the sound-absorbing cavity 102, the speaker module further includes a breathable mesh cloth 170 attached to the top wall 120 and/or the bottom wall 110 and covering the leakage holes 105. The diameter of the hole 105 is smaller than the diameter of the injection hole 104 .
优选地,所述泄漏孔105贯穿开设在所述顶壁120上,所述注入孔104贯穿开设在所述底壁110上。 Preferably, the leakage hole 105 is formed through the top wall 120 , and the injection hole 104 is formed through the bottom wall 110 .
本实施例中的扬声器模组不仅能够方便的进行生产装配,而且能够最大化的利用腔体的空间用于填充吸音材料,从而能够很好的提高声学性能。The speaker module in this embodiment can not only be conveniently produced and assembled, but also can maximize the use of the space of the cavity for filling the sound-absorbing material, so that the acoustic performance can be well improved.
以上所述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。The above are only the embodiments of the present application. It should be pointed out that for those of ordinary skill in the art, improvements can be made without departing from the creative concept of the present application, but these belong to the present application. scope of protection.

Claims (11)

  1. 一种扬声器模组,其特征在于:包括具有收容空间的壳体以及收容固定于所述壳体的发声单体和隔离组件,所述发声单体包括振膜,所述壳体包括与所述振膜正对的底壁、与所述底壁相对且间隔设置的顶壁以及自所述底壁朝所述顶壁弯折延伸的侧壁,所述底壁、所述侧壁及所述顶壁围成所述收容空间;A loudspeaker module is characterized in that: it comprises a casing with a receiving space, a sound-producing unit and an isolation component that are accommodated and fixed on the casing, the sound-producing unit includes a diaphragm, and the casing includes a A bottom wall facing the diaphragm, a top wall opposite to the bottom wall and spaced apart, and a side wall bent and extended from the bottom wall to the top wall, the bottom wall, the side wall and the The top wall encloses the receiving space;
    所述底壁靠近所述振膜的一侧朝所述顶壁方向凸设有挡墙,所述隔离组件盖设并固定在所述挡墙远离所述底壁的一端,所述隔离组件将所述收容空间分隔成***述发声单体的容纳腔以及收容吸音材料的吸音腔,所述隔离组件、所述挡墙及所述底壁围合形成所述容纳腔,所述吸音腔位于所述隔离组件与所述顶壁之间;The side of the bottom wall close to the vibrating membrane is protruded from the top wall with a blocking wall, the isolation component is covered and fixed on the end of the blocking wall away from the bottom wall, and the isolation component will The accommodating space is divided into a accommodating cavity for accommodating the sound-emitting unit and a sound-absorbing cavity for accommodating sound-absorbing materials, the isolation component, the retaining wall and the bottom wall are enclosed to form the accommodating cavity, and the sound-absorbing cavity is located in the cavity. between the isolation assembly and the top wall;
    所述隔离组件包括透气隔离件和用于支撑所述透气隔离件且硬度大于所述透气隔离件的支撑骨架,所述支撑骨架固持于所述透气隔离件上,所述透气隔离件与所述挡墙抵接并固定;所述容纳腔经所述透气隔离件与所述吸音腔连通。The isolation assembly includes a breathable spacer and a support frame for supporting the breathable spacer and having a hardness greater than that of the breathable spacer, the support frame is fixed on the breathable spacer, and the breathable spacer is connected to the breathable spacer. The blocking wall is abutted and fixed; the accommodating cavity is communicated with the sound-absorbing cavity through the air-permeable isolation member.
  2. 根据权利要求1所述的扬声器模组,其特征在于:所述透气隔离件包括与所述底壁相对的主体部、自主体部边缘朝向所述底壁的方向延伸形成的侧部以及自所述侧部靠近所述底壁的一端的边缘朝向所述侧壁的方向延伸形成的固定部,所述固定部与所述挡墙抵接并固定;所述支撑骨架包括固持于所述主体部的横支撑部、自所述横支撑部两端朝向所述底壁延伸形成并固持于所述侧部的竖支撑部以及自所述竖支撑部靠近所述底壁的一端朝向所述侧壁方向延伸形成并固持于所述固定部的边支撑部。The loudspeaker module according to claim 1, wherein the ventilating spacer comprises a main body portion opposite to the bottom wall, a side portion extending from the edge of the main body portion toward the bottom wall, and a side portion extending from the edge of the main body portion toward the bottom wall. a fixing part formed by the edge of the end of the side part close to the bottom wall extending toward the side wall, the fixing part is abutted and fixed with the retaining wall; the support frame includes a fixed part fixed on the main body part The horizontal support portion, the vertical support portion extending from the two ends of the horizontal support portion toward the bottom wall and fixed on the side portion, and the vertical support portion from the end of the vertical support portion close to the bottom wall toward the side wall The side support portion of the fixed portion is formed and held in a direction extending.
  3. 根据权利要求2所述的扬声器模组,其特征在于:所述横支撑部、所述竖支撑部及所述边支撑部中的至少一个为间隔设置的条形阵列结构。The speaker module according to claim 2, wherein at least one of the horizontal support portion, the vertical support portion and the side support portion is a bar-shaped array structure arranged at intervals.
  4. 根据权利要求3所述的扬声器模组,其特征在于:所述固定部与所述挡墙超声焊接固定或胶合固定。The speaker module according to claim 3, wherein the fixing portion and the retaining wall are ultrasonically welded and fixed or glued.
  5. 根据权利要求1-4中任一项所述的扬声器模组,其特征在于:所述支撑骨架固持于所述透气隔离件靠近所述底壁的一侧上。The speaker module according to any one of claims 1-4, wherein the support frame is fixed on the side of the air-permeable spacer close to the bottom wall.
  6. 根据权利要求5所述的扬声器模组,其特征在于:所述支撑骨架与所述发声单体抵接。The speaker module according to claim 5, wherein the support frame is in contact with the sound-generating unit.
  7. 根据权利要求5所述的扬声器模组,其特征在于:所述底壁朝所述发声单体方向还凸设有支撑所述发声单体的支撑壁,所述支撑壁抵接在所述发声单体周缘并与所述发声单体粘接。The speaker module according to claim 5, wherein the bottom wall further protrudes from the bottom wall toward the sound-generating unit with a support wall for supporting the sound-generating unit, and the support wall abuts against the sound-generating unit. The peripheral edge of the monomer is bonded with the sound-emitting monomer.
  8. 根据权利要求7所述的扬声器模组,其特征在于:所述发声单体与所述底壁间隔形成前声腔,所述侧壁开设有连通所述前声腔与外部的出音通道。The loudspeaker module according to claim 7, wherein the sound generating unit and the bottom wall are spaced apart to form a front sound cavity, and a sound outlet channel connecting the front sound cavity and the outside is opened on the side wall.
  9. 根据权利要求7所述的扬声器模组,其特征在于:所述挡墙、所述支撑壁及所述底壁一体成型设置。The speaker module according to claim 7, wherein the retaining wall, the supporting wall and the bottom wall are integrally formed.
  10. 根据权利要求9所述的扬声器模组,其特征在于:所述底壁和/或所述顶壁上开设有注入孔,所述注入孔与所述吸音腔连通,所述吸音材料经所述注入孔填充至所述吸音腔内;所述扬声器模组还包括密封盖,所述密封盖盖设在所述注入孔上。The speaker module according to claim 9, wherein an injection hole is opened on the bottom wall and/or the top wall, the injection hole communicates with the sound-absorbing cavity, and the sound-absorbing material passes through the sound-absorbing material. The injection hole is filled into the sound-absorbing cavity; the speaker module further includes a sealing cover, and the sealing cover is arranged on the injection hole.
  11. 根据权利要求10所述的扬声器模组,其特征在于:所述顶壁和/或所述底壁还贯穿开设有与所述注入孔间隔设置的泄漏孔,所述扬声器模组还包括贴设于所述顶壁和/或所述底壁并覆盖所述泄漏孔的透气网布,所述泄漏孔的孔径小于所述注入孔的孔径。The loudspeaker module according to claim 10, wherein the top wall and/or the bottom wall are further provided with leakage holes spaced apart from the injection holes, and the loudspeaker module further comprises a The air-permeable mesh cloth is attached to the top wall and/or the bottom wall and covers the leakage holes, and the hole diameter of the leakage holes is smaller than the hole diameter of the injection holes.
PCT/CN2020/102384 2020-07-09 2020-07-16 Loudspeaker module WO2022006954A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7391177B2 (en) 2022-01-26 2023-12-04 エーエーシー マイクロテック(チャンヂョウ)カンパニー リミテッド sound generator

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