WO2025245751A1 - 一种扬声器模组及投影设备 - Google Patents

一种扬声器模组及投影设备

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Publication number
WO2025245751A1
WO2025245751A1 PCT/CN2024/096161 CN2024096161W WO2025245751A1 WO 2025245751 A1 WO2025245751 A1 WO 2025245751A1 CN 2024096161 W CN2024096161 W CN 2024096161W WO 2025245751 A1 WO2025245751 A1 WO 2025245751A1
Authority
WO
WIPO (PCT)
Prior art keywords
elastic connector
speaker module
protruding wall
housing
spaced apart
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
PCT/CN2024/096161
Other languages
English (en)
French (fr)
Inventor
赵恒坤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huizhou TCL Mobile Communication Co Ltd
Original Assignee
Huizhou TCL Mobile Communication Co Ltd
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 Huizhou TCL Mobile Communication Co Ltd filed Critical Huizhou TCL Mobile Communication Co Ltd
Priority to PCT/CN2024/096161 priority Critical patent/WO2025245751A1/zh
Priority to CN202480001161.4A priority patent/CN118872294A/zh
Publication of WO2025245751A1 publication Critical patent/WO2025245751A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • This application relates to the field of projection technology, specifically to speaker modules and projection equipment.
  • Projection devices are rapidly developing smart products in recent years, enabling applications such as web search, online video, video-on-demand (VOD), digital music, online educational resources, and more.
  • VOD video-on-demand
  • speaker selection is trending towards higher power.
  • speakers vibrate, especially at low frequencies, where the vibration amplitude can be significant and potentially affect the optical engine, causing image jitter.
  • This application provides a speaker module and a projection device, which aim to solve the technical problem of speaker vibration.
  • a speaker module comprising:
  • the housing contains the sound-generating module; the housing also includes a connecting post.
  • An elastic connector having an axial direction; the elastic connector having a connecting hole extending along the axial direction; a connecting post tightly fitting into the connecting hole, and a housing abutting against a first axial end face of the elastic connector; the outer peripheral wall of the connecting post having a first protruding wall and a second protruding wall spaced apart along the axial direction; and
  • a fixed bracket is provided with a locking part, and the locking part is provided with a locking groove.
  • the locking groove is engaged between the first protruding wall and the second protruding wall and is in close contact with the outer peripheral wall; and the locking part abuts against the first protruding wall and the second protruding wall on opposite sides respectively.
  • the speaker module wherein a vertical rib protrudes from the wall of the connecting hole; the connecting post is in close contact with the vertical rib.
  • the speaker module wherein the vertical ribs are multiple, and the multiple vertical ribs are spaced apart circumferentially along the elastic connector.
  • the cross-sectional shape of the vertical rib is semi-circular, circular, triangular, or quadrilateral.
  • the speaker module wherein a first transverse rib is protruding on the first axial end face and extends radially along the elastic connector;
  • the shell is in close contact with the first transverse bone.
  • the speaker module wherein the first transverse ribs are multiple, and the multiple first transverse ribs are spaced apart circumferentially along the elastic connector.
  • the speaker module wherein the cross-sectional shape of the first transverse rib is semi-circular, circular, triangular or quadrilateral.
  • the speaker module further includes at least one third protruding wall, which is disposed on the outer peripheral wall and spaced apart from the first protruding wall and the second protruding wall along the axial direction.
  • the speaker module wherein the first protruding wall and the second protruding wall are disposed near the middle of the elastic connector.
  • the speaker module wherein the locking portion has a notch communicating with the locking slot, the The notch is used for the elastic connector to engage with the slot; the width of the notch is smaller than the diameter of the elastic connector.
  • the speaker module includes a plurality of connecting posts spaced apart on the housing; the number of elastic connectors is the same as the number of connecting posts.
  • the number of the locking parts is multiple, and the number is the same as the number of the connecting posts; the multiple locking parts are spaced apart on the fixed bracket;
  • the connecting column, the elastic connector, and the locking part are fitted together one by one.
  • the speaker module further includes a second axial end face, which is disposed opposite to the first axial end face in the axial direction.
  • the elastic connector also has a second transverse bone, which is disposed on the second axial end face and extends radially along the elastic connector.
  • the speaker module further includes a threaded section on the connecting post; the speaker module also includes a threaded fastener that is helically engaged with the threaded section.
  • the speaker module wherein the threaded fastener abuts against the side of the elastic connector opposite to the housing.
  • This application also proposes a projection device, comprising:
  • the outer shell The outer shell;
  • the speaker module is located inside the outer part.
  • a sound-emitting module is placed inside the housing to emit sound to the outside.
  • a connecting post is provided on the housing, and the connecting post is tightly fitted with the axially extending connecting hole of the elastic connector to realize the connection between the housing and the elastic connector.
  • the outer peripheral wall of the elastic connector is provided with a first protruding wall and a second protruding wall.
  • the locking groove on the locking part of the fixing bracket engages between the first and second protruding walls and is in close contact with the outer peripheral wall. Furthermore, the opposite sides of the locking part also abut against the first and second protruding walls to position the elastic connector, thus realizing the connection between the fixing bracket and the housing through the elastic connector.
  • the sound-generating module When the sound-generating module vibrates, it can absorb the axial vibration force through the deformation of the first and second protruding walls. Furthermore, due to the tight fit between the connecting post and the connecting hole, the elastic connector can also absorb the radial vibration force, thereby preventing the vibration of the sound-generating module from being transmitted to the outside or reducing the energy transmitted by the vibration of the sound-generating module to the outside.
  • Figure 1 is an exploded view of the speaker module provided in an embodiment of this application.
  • Figure 2 is a cross-sectional schematic diagram of the speaker module provided in an embodiment of this application.
  • Figure 3 is a magnified view of part A in Figure 1;
  • Figure 4 is a magnified view of part B in Figure 2;
  • Figure 5 is a three-dimensional structural diagram of the elastic connector in the speaker module provided in the embodiment of this application.
  • Figure 6 is a cross-sectional schematic diagram of the elastic connector in the speaker module provided in the embodiment of this application.
  • Figure 1 is an exploded view of the speaker module provided in this application embodiment;
  • Figure 2 is a cross-sectional view of the speaker module provided in this application embodiment;
  • Figure 3 is a partial enlarged view of point A in Figure 1;
  • Figure 4 is a partial enlarged view of point B in Figure 2.
  • the speaker module 100 includes:
  • the housing 110 contains the sound-generating module; the housing 110 also includes a connecting post 111.
  • An elastic connector 120 has an axial direction; the elastic connector 120 is provided with a connecting hole 129 extending along the axial direction; a connecting post 111 is tightly fitted with the connecting hole 129, and the housing 110 abuts against the first axial end face 123 of the elastic connector 120; the connecting post 111
  • the outer peripheral wall is provided with a first protruding wall 121 and a second protruding wall 122 spaced apart along the axial direction;
  • a fixed bracket 130 is provided with a locking part 131, and a locking groove 1311 is provided on the locking part 131.
  • the locking groove 1311 is engaged between the first protruding wall 121 and the second protruding wall 122 and is in close contact with the outer peripheral wall; and the locking part 131 abuts against the first protruding wall 121 and the second protruding wall 122 on opposite sides respectively.
  • a sound-emitting module is placed inside the housing 110 to emit sound to the outside.
  • a connecting post 111 is provided on the housing 110, and the connecting post 111 is tightly fitted with the axially extending connecting hole 129 of the elastic connector 120 to realize the connection between the housing 110 and the elastic connector 120.
  • a first protruding wall 121 and a second protruding wall 122 are provided on the outer peripheral wall of the elastic connector 120.
  • the slot 1311 on the locking part 131 of the fixing bracket 130 is engaged between the first protruding wall 121 and the second protruding wall 122 and is in close contact with the outer peripheral wall.
  • the two opposite sides of the locking part 131 are also abutted against the first protruding wall 121 and the second protruding wall 122 to realize the positioning of the elastic connector 120 and realize the connection between the fixing bracket 130 and the housing 110 through the elastic connector 120.
  • the sound-generating module vibrates, it can absorb the axial vibration force through the deformation of the first protruding wall 121 and the second protruding wall 122.
  • the elastic connector 120 can also absorb the radial vibration force, thereby preventing the vibration of the sound-generating module from being transmitted to the outside or reducing the energy of the vibration of the sound-generating module transmitted to the outside.
  • a passive radiator is installed on the housing 110.
  • the vibration amplitude of the housing 110 is relatively large.
  • the technical solution of this application can effectively prevent the vibration of the housing 110 from being transmitted to the outside or reduce the vibration energy transmitted to the outside while effectively improving the low-frequency sound effect.
  • the sound-generating module When used in projection equipment, the sound-generating module effectively avoids the impact of vibration on the optical engine, effectively... It avoids image jitter and blurring, improving the image quality of display devices.
  • the sound-generating module adopts existing technology, and its structure and sound-generating principle are not improved, so they are not described in detail.
  • the locking part 131 is disposed on the fixed bracket 130. It is block-shaped and has a first abutment surface 1314 and abutment surface 1313 arranged opposite to each other.
  • the locking groove 1311 passes through the first abutment surface 1314 and the second abutment surface 1313 so that the elastic connector 120 can be inserted therein.
  • the first abutment surface 1314 abuts against the first protruding wall 121
  • the second abutment surface 1313 abuts against the second protruding wall 122.
  • the groove wall of the locking groove 1311 is tightly fitted with the outer peripheral wall of the elastic connector 120, thereby positioning the elastic connector 120 by the locking part 131.
  • the tight fit can be understood as a tight fit, that is, the connecting column 111 (shell 110), the elastic connector 120 and the fixed bracket 130 are fixed, and they rely on the deformation of the elastic connector 120 to absorb vibration energy.
  • a vertical rib 124 protrudes from the wall of the connecting hole 129; the connecting post 111 is in close contact with the vertical rib 124.
  • the vertical rib 124 is integrally formed on the hole wall and protrudes from the hole wall, thereby playing the role of tightly fitting the connecting post 111; the vertical rib 124 is in close contact with the connecting post 111, and because it protrudes from the hole wall, there is a certain space between the hole wall and the connecting post 111, so that when the housing 110 has lateral vibration, the vertical rib 124 can deform within this space to absorb the lateral (radial) vibration.
  • the axial length of the vertical bone 124 is set to be less than or equal to the axial length of the elastic connector 120.
  • Vertical ribs 124 are spaced apart circumferentially along the elastic connector 120, with the included angle between any two vertical ribs 124 being 120°.
  • the number of vertical ribs 124 can also be two, five, or more; the specific number is determined based on the power of the sound-generating module, and will not be elaborated further here.
  • the plurality of vertical ribs 124 are spaced apart circumferentially along the elastic connector 120, and also spaced apart axially; that is, the vertical ribs 124 are arranged in a spiral pattern.
  • the cross-sectional shape of the vertical rib 124 is semi-circular, circular, triangular, or quadrilateral.
  • the cross-sectional shape of the vertical rib 124 is triangular or trapezoidal.
  • a first transverse rib 125 protrudes from the first axial end face 123 and extends radially along the elastic connector 120; the housing 110 is in close contact with the first transverse rib 125.
  • the first transverse rib 125 is disposed on the first axial end face 123 to improve the ability of the elastic connector 120 to absorb axial vibrations of the housing 110.
  • the housing 110 When the sound-generating module generates axial vibrations, the housing 110 generates axial vibrations, causing the first transverse rib 125 to deform and thus absorb the axial vibrations.
  • the first transverse bone 125 is integrally protruding on the first axial end face 123.
  • first transverse ribs 125 which are spaced apart circumferentially along the elastic connector 120.
  • first transverse ribs 125 there are multiple first transverse ribs 125, which are spaced apart circumferentially along the elastic connector 120.
  • there are three transverse ribs which are spaced apart circumferentially along the elastic connector 120, with an angle of 120° between any two transverse ribs.
  • there are four transverse ribs which are spaced apart circumferentially along the elastic connector 120, with an angle of 120° between adjacent transverse ribs.
  • the number of transverse ribs can also be two, five, or more, depending on the power of the sound-generating module, which will not be elaborated further here.
  • the cross-sectional shape of the first transverse bone 125 is semi-circular, circular, triangular, or quadrilateral.
  • the cross-sectional shape of the first transverse bone 125 is triangular or trapezoidal.
  • the elastic connector 120 further has at least one third protruding wall 126, which is disposed on the outer peripheral wall and spaced apart from the first protruding wall 121 and the second protruding wall 122 along the axial direction.
  • at least one third protruding wall 126 which is spaced apart from both the first protruding wall 121 and the second protruding wall 122 along the axial direction, at least one groove can be formed on the outer peripheral wall. While the first protruding wall 121 and the second protruding wall 122 abut against the locking portion 131, the presence of at least one groove increases the axial vibration absorption capacity of the elastic connector 120.
  • an additional groove can be formed on the outer peripheral wall. While the first protruding wall 121 and the second protruding wall 122 abut against the locking part 131, the groove is provided to increase the axial vibration absorption capacity of the elastic connector 120.
  • two additional slots can be formed on the outer peripheral wall. While the first protruding wall 121 and the second protruding wall 122 abut against the locking portion 131, the two slots increase the axial vibration absorption capacity of the elastic connector 120.
  • the two third protruding walls 126 are respectively located on the side of the first protruding wall 121 opposite to the second protruding wall 122 and on the side of the second protruding wall 122 opposite to the first protruding wall 121.
  • the number of third protruding walls 126 can also be three, four or more, depending on the power of the sound-generating module.
  • the first protruding wall 121 and the second protruding wall 122 are close to each other.
  • the elastic connector 120 is positioned at the center. That is, in this embodiment, the slot 1311 is engaged at the center of the elastic connector 120, which can effectively prevent the elastic connector 120 from being pulled out of the slot 1311 when absorbing large lateral and/or axial vibrations, thereby improving the stability of the connection between the elastic connector 120 and the fixed bracket 130.
  • the locking portion 131 has a notch 1312 communicating with the locking groove 1311.
  • the notch 1312 is used for the elastic connector 120 to engage with the locking groove 1311.
  • the width of the notch 1312 is smaller than the diameter of the elastic connector 120.
  • connecting posts 111 there are multiple connecting posts 111, which are spaced apart on the housing 110.
  • the distribution of the connecting posts 111 is mainly determined according to the specific structure of the housing 110. For example, in the structure shown in Figure 1, there are four connecting posts 111 (the other two are not shown in the figure due to the viewing angle), and these four connecting posts 111 are respectively located at the four corners of the front, back, left, and right sides of the housing 110.
  • the number of elastic connectors 120 is the same as the number of connecting posts 111. As shown in Figure 1, there are four elastic connectors 120.
  • the number of the locking parts 131 is multiple, and the number is the same as the number of the connecting posts 111; the multiple locking parts 131 are spaced apart on the fixed bracket 130.
  • the multiple locking parts 131 are spaced apart on the fixed bracket 130.
  • the connecting post 111, the elastic connector 120, and the locking part 131 are fitted together. That is, Each connecting post 111 is tightly fitted with the connecting hole 129 of its corresponding elastic connecting member 120.
  • the elastic connecting member 120 is inserted into the slot 1311 of the locking part 131 that matches the position of the connecting post 111, thereby realizing the connection between the housing 110 and the fixed bracket 130 and absorbing the vibration of the housing 110.
  • the positions of the connecting posts 111 differ in height, and consequently, the positions of the mounting parts 131 also differ in height.
  • This is mainly due to the external shape of the housing 110.
  • the external shape of the housing 110 primarily depends on the cavity structure of the projection device used to house the speaker module. Therefore, Figures 1 and 2 are merely examples provided in this application; the appearance of the housing 110, the location and number of the connecting posts 111, the appearance of the fixing bracket 130, and the location and number of the mounting parts 131 are determined according to actual conditions.
  • the elastic connector 120 further has a second axial end face 127, which is disposed opposite to the first axial end face 123 in the axial direction.
  • the second axial end face 127 is the side of the elastic connector 120 facing away from the housing 110, and a second transverse bone 128 is disposed thereon.
  • the second transverse bone 128 is disposed on the second axial end face 127 and extends radially along the elastic connector 120. The second transverse bone 128 is used to increase the vibration absorption capacity in the axial direction.
  • the connecting post 111 has a threaded section; the speaker module further includes a threaded fastener that helically engages with the threaded section.
  • the connecting post 111 is secured with the threaded fastener, which can further prevent the connecting post 111 from being pulled out of the connecting hole 129. This structure is used when the speaker module is suspended; it can be used when the speaker module is mounted upright, or it can be omitted when the tightening force of the elastic connector 120 on the connecting post 111 is increased.
  • the threaded fastener abuts against the side of the resilient connector 120 facing away from the housing 110. This prevents the connecting post 111 from being pulled out of the connecting hole 129; furthermore, the threaded fastener...
  • the fastener abuts against the other side of the resilient connector 120, it can absorb axial vibrations by causing the resilient connector 120 to deform axially.
  • the threaded fastener abuts against a second transverse bone on the second axial end face.
  • the threaded section of the connecting post 111 can be an external thread that extends out of the connecting hole 129 to the side of the elastic connector 120 facing away from the housing 110, and then engages with it by a nut. The nut abuts against the second axial end face 127 to prevent the connecting post 111 from being pulled out of the through hole.
  • the connecting post 111 has an internally threaded hole that extends inward from the end of the connecting post 111 away from the housing 110 to lock an externally threaded component (such as a stud or screw) in place.
  • the externally threaded component abuts against the second axial end face 127 to prevent the nut from pulling the connecting post 111 out of the through hole.
  • This application also proposes a projection device, including a housing and a speaker module.
  • the speaker module is disposed inside the housing.
  • This speaker module employs some or all of the technical solutions described in the foregoing embodiments, thus the projection device possesses some or all of the technical advantages of the foregoing embodiments, reducing the jitter of the internal optical engine, avoiding image jitter, and improving display quality.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Vibration Prevention Devices (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)

Abstract

本申请提供一种扬声器模组以及投影设备，扬声器模组包括壳体，扬声器壳体内设有发声模块；壳体设有连接柱；弹性连接件，弹性连接件具有轴向；弹性连接件设有沿轴向延伸的连接孔；连接柱与连接孔紧密配合，且壳体与弹性连接件的第一轴向端面抵接；连接柱的外周壁上设有沿轴向间隔设置的第一凸出壁和第二凸出壁；以及固定支架，固定支架设有卡设部，卡设部上设有卡槽，卡槽卡入第一凸出壁和第二凸出壁之间，且卡设部相对两侧分别与第一凸出壁和第二凸出壁抵接。

Description

一种扬声器模组及投影设备 技术领域
本申请涉及投影技术领域，具体涉及扬声器模组及投影设备。
背景技术
投影设备是近几年发展迅速的智能产品，可实现网络搜索、网络视频、视频点播(VOD)、数字音乐、网络教育资源、网络视频等应用服务。随着对音频体验要求越类越高，扬声器的选择朝着大功率方向发展。在扬声器工作过程中，会产生振动，尤其在低频工作时，扬声器振动幅度较大，容易影响光机造成画面抖动。
技术问题
本申请实施例提供一种扬声器模组及投影设备，旨在解决扬声器振动的技术问题。
技术解决方案
本申请的技术方案如下：
一种扬声器模组，包括：
发声模块；
壳体，所述壳体内设有所述发声模块；所述壳体设有连接柱；
弹性连接件，所述弹性连接件具有轴向；所述弹性连接件设有沿所述轴向延伸的连接孔；所述连接柱与所述连接孔紧密配合，且所述壳体与所述弹性连接件的第一轴向端面抵接；所述连接柱的外周壁上设有沿所述轴向间隔设置的第一凸出壁和所述第二凸出壁；以及
固定支架，所述固定支架设有卡设部，所述卡设部上设有卡槽，所述卡槽卡入所述第一凸出壁和所述第二凸出壁之间，并且与所述外周壁紧密接触；且所述卡设部相对两侧分别与所述第一凸出壁和所述第二凸出壁抵接。
所述的扬声器模组，其中所述连接孔的孔壁上凸设有竖向骨；所述连接柱与所述竖向骨紧密接触。
所述的扬声器模组，其中，所述竖向骨具有多个，所述多个竖向骨沿所述弹性连接件的周向间隔设置。
所述的扬声器模组，其中，所述竖向骨的截面形状为半圆形、圆形、三角形或者四边形。
所述的扬声器模组，其中，所述第一轴向端面上凸设有第一横向骨，沿所述弹性连接件的径向延伸；
所述壳体与所述第一横向骨紧密接触。
所述的扬声器模组，其中，所述第一横向骨具有多个，所述多个第一横向骨沿所述弹性连接件的周向间隔设置。
所述扬声器模组，其中，所述第一横向骨的截面形状为半圆形、圆形、三角形或者四边形。
所述的扬声器模组，其中，所述弹性连接件还具有至少一个第三凸出壁，所述至少一个第三凸出壁设于所述外周壁上，并与所述第一凸出壁和所述第二凸出壁沿所述轴向间隔设置。
所述的扬声器模组，其中，所述第一凸出壁和所述第二凸出壁靠近所述弹性连接件的中部设置。
所述的扬声器模组，其中，所述卡设部设有与所述卡槽连通的缺口，所述 缺口用于所述弹性连接件卡入所述卡槽内；所述缺口的宽度小于所述弹性连接件的直径。
所述的扬声器模组，其中，所述连接柱的个数为多个，所述多个连接柱间隔设于所述壳体上；所述弹性连接件的个数与所述连接柱的个数一致；
所述卡设部的个数为多个，且与所述连接柱的个数一致；所述多个卡设部间隔设于所述固定支架上；
所述连接柱、所述弹性连接件与所述卡设部一一配合。
所述的扬声器模组，其中，所述弹性连接件还具有第二轴向端面，所述第二轴向端面与所述第一轴向端面在所述轴向上相对设置；
所述弹性连接件还具有第二横向骨，所述第二横向骨设于所述第二轴向端面上，沿所述弹性连接件的径向延伸。
所述的扬声器模组，其中，所述连接柱具有螺纹段；所述扬声器模组还包括螺纹紧固件，所述螺纹紧固件与所述螺纹段螺旋配合。
所述的扬声器模组，其中，所述螺纹紧固件与所述弹性连接件背向所述壳体的一侧抵接。
本申请还提出一种投影设备，包括：
外壳；和
如前所述的扬声器模组，所述扬声器模组设于所述外内。
有益效果
与现有技术相比，本申请实施例具有以下优点：
在本申请实施例的技术方案中，壳体内放置发声模块，以向外界发出声音。 壳体上设置有连接柱，连接柱与弹性连接件的轴向延伸的连接孔紧密配合，实现壳体与弹性连接件的连接；弹性连接件的外周壁上设置有第一凸出壁和第二凸出壁；固定支架的卡设部上的卡槽卡入第一凸出壁和第二凸出壁之间，并且与所述外周壁紧密接触；并且卡设部相对的两侧还与第一凸出壁和第二凸出壁抵接设置，实现对弹性连接件的定位，实现固定支架通过弹性连接件与壳体之间的连接。在发声模块振动时，其能够通过第一凸出壁和第二凸出壁的形变吸收轴向上的振动力，并且由于连接柱与连接孔紧密配合，弹性连接件还能够吸收径向上的振动力，进而可以避免发生模块的振动传递至外界或者降低发生模块的振动传递至外界的能量。
在其应用于投影设备中时，有效地避免振动对光机的影响，有效地避免了画面抖动模糊，提高显示设备的画面质量。
附图说明
为了更清楚地说明本申请实施例或现有技术中的技术方案，下面将对实施例或现有技术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申请中记载的一些实施例，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他的附图。
图1为本申请实施例提供的扬声器模组的爆炸示意图；
图2为本申请实施例提供的扬声器模组的截面示意图；
图3为图1中A处局部放大图；
图4为图2中B处局部放大图；
图5为本申请实施例提供的扬声器模组中弹性连接件的立体结构示意图；
图6为本申请实施例提供的扬声器模组中弹性连接件的截面示意图。
其中，100，扬声器模组；110，壳体；111，连接柱；120，弹性连接件；121，第一凸出壁；122，第二凸出壁；123，第一轴向端面；124，竖向骨；125，第一横向骨；126，第三凸出壁；127，第二轴向端面；128，第二横向骨；129，连接孔；130，固定支架；131，卡设部；1311，卡槽；1312，缺口；1313，第二抵接面；1314，第一抵接面。
本发明的实施方式
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请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申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，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他实施例，都属于本申请保护的范围。
为了克服现有技术中存在的技术问题，本申请实施例提供一种扬声器模组。图1为本申请实施例提供的扬声器模组的爆炸示意图；图2为本申请实施例提供的扬声器模组的截面示意图；图3为图1中A处局部放大图；图4为图2中B处局部放大图。结合图1至图4所示，该扬声器模组100包括：
发声模块(未示例)；
壳体110，所述壳体110内设有所述发声模块；所述壳体110设有连接柱111；
弹性连接件120，所述弹性连接件120具有轴向；所述弹性连接件120设有沿所述轴向延伸的连接孔129；所述连接柱111与所述连接孔129紧密配合，且所述壳体110与所述弹性连接件120的第一轴向端面123抵接；所述连接柱111 的外周壁上设有沿所述轴向间隔设置的第一凸出壁121和所述第二凸出壁122；以及
固定支架130，所述固定支架130设有卡设部131，所述卡设部131上设有卡槽1311，所述卡槽1311卡入所述第一凸出壁121和所述第二凸出壁122之间，并且与所述外周壁紧密接触；且所述卡设部131相对两侧分别与所述第一凸出壁121和所述第二凸出壁122抵接。
在本申请实施例的技术方案中，壳体110内放置发声模块，以向外界发出声音。壳体110上设置有连接柱111，连接柱111与弹性连接件120的轴向延伸的连接孔129紧密配合，实现壳体110与弹性连接件120的连接；弹性连接件120的外周壁上设置有第一凸出壁121和第二凸出壁122；固定支架130的卡设部131上的卡槽1311卡入第一凸出壁121和第二凸出壁122之间，并且与所述外周壁紧密接触；并且卡设部131相对的两侧还与第一凸出壁121和第二凸出壁122抵接设置，实现对弹性连接件120的定位，实现固定支架130通过弹性连接件120与壳体110之间的连接。在发声模块振动时，其能够通过第一凸出壁121和第二凸出壁122的形变吸收轴向上的振动力，并且由于连接柱111与连接孔129紧密配合，弹性连接件120还能够吸收径向上的振动力，进而可以避免发生模块的振动传递至外界或者降低发生模块的振动传递至外界的能量。
尤其，为了提高低音频效果，会在壳体110上设置被动盆时，此时壳体110振动幅度较大，通过弹性连接件120的轴向吸振和径向吸振，进而本申请的技术方案在有效改善低音频发声效果的情况下，能够有效避免壳体110的振动传递至外界或者降低传递至外界的振动能量。
发声模块在应用于投影设备中时，有效地避免振动对光机的影响，有效地 避免了画面抖动模糊，提高显示设备的画面质量。
在本申请的技术方案中，发声模块采用现有技术，未对其结构、发声原理等进行改进，因而未对其进行赘述。
如图4所示，所述卡设部131设置于固定支架130上，其呈块状，具有相对设置的第一抵接面1314和第二抵接面1313；所述卡槽1311贯穿所述第一抵接面1314和第二抵接面1313，以使得所述弹性连接件120能够穿设其中。第一抵接面1314与第一凸出壁121抵接，第二抵接面1313与第二凸出壁122抵接，卡槽1311的槽壁与弹性连接件120的外周壁紧密配合，进而卡设部131对弹性连接件120进行定位。
在本申请实施例的技术方案中，所述紧密配合可以理解为紧配合，也即连接柱111(壳体110)、弹性连接件120以及固定支架130是固定的，其依靠弹性连接件120的形变来吸收振动能量。
在一些实施例中，如图6所示，所述连接孔129的孔壁上凸设有竖向骨124；所述连接柱111与所述竖向骨124紧密接触。在实施例中，竖向骨124一体形成于孔壁上且凸出孔壁，进而起到紧密配合连接柱111的作用；竖向骨124与连接柱111紧密接触，由于其凸出孔壁设置，因而孔壁与连接柱111之间具有一定的空间，使得在壳体110具有横向振动时，可以通过竖向骨124在该空间内形变以此来吸收横向(径向)上的振动。
在实施例中，竖向骨124的轴向长度设置为小于或者等于弹性连接件120的轴向长度。
在实施例中，所述竖向骨124具有多个，所述多个竖向骨124沿所述弹性连接件120的周向间隔设置。比如，在实施例中，竖向骨124具有三个，所述三个 竖向骨124沿所述弹性连接件120的周向间隔设置，任意两个竖向骨124的夹角为120°。又比如，在实施例中，竖向骨124具有四个，所述四个竖向骨124沿所述弹性连接件120的周向间隔设置，相邻两个竖向骨124的夹角为120°。竖向骨124的个数还可以为两个、5个或者更多个，其设置个数主要根据发声模块的功率进行具体设置，在此不做过多赘述。
此外，在一些实施例中，所述多个竖向骨124在沿所述弹性连接件120的周向间隔设置的同时，还沿着轴向间隔设置；也即竖向骨124类似于螺旋排布。
在实施例中，所述竖向骨124的截面形状为半圆形、圆形、三角形或者四边形。比如，所述竖向骨124的截面形状为三角形或者梯形。
在一些实施例中，所述第一轴向端面123上凸设有第一横向骨125，沿所述弹性连接件120的径向延伸；所述壳体110与所述第一横向骨125紧密接触。第一横向骨125设于第一轴向端面123上，提高弹性连接件120吸收壳体110的轴向振动的能力。当发声模块发生产生轴向振动时，壳体110产生轴向振动以使得第一横向骨125产生形变进而吸收轴向振动。
在实施例中，第一横向骨125一体凸设于第一轴向端面123上。
在实施例中，所述第一横向骨125具有多个，所述多个第一横向骨125沿所述弹性连接件120的周向间隔设置。比如，在实施例中，横向骨具有三个，所述三个横向骨沿所述弹性连接件120的周向间隔设置，任意两个横向骨的夹角为120°。又比如，在实施例中，横向骨具有四个，所述四个横向骨沿所述弹性连接件120的周向间隔设置，相邻两个横向骨的夹角为120°。横向骨的个数还可以为两个、5个或者更多个，其设置个数主要根据发声模块的功率进行具体设置，在此不做过多赘述。
在实施例中，所述第一横向骨125的截面形状为半圆形、圆形、三角形或者四边形。比如，所述第一横向骨125的截面形状为三角形或者梯形。
在一些实施例中，如图5所示，所述弹性连接件120还具有至少一个第三凸出壁126，所述至少一个第三凸出壁126设于所述外周壁上，并与所述第一凸出壁121和所述第二凸出壁122沿所述轴向间隔设置。在该实施例中，通过设置至少一个第三凸出壁126，其与第一凸出壁121和第二凸出壁122均沿轴向间隔设置，进而能够在外周壁上形成至少一个槽位，在第一凸出壁121和第二凸出壁122抵接卡设部131的同时，通过设置至少一个槽位来增加弹性连接件120在轴向上的吸振能力。
比如，在实施例中，通过设置一个第三凸出壁126，其与第一凸出壁121和第二凸出壁122均沿轴向间隔设置，进而能够在外周壁上多形成一个槽位，在第一凸出壁121和第二凸出壁122抵接卡设部131的同时，通过设置一个槽位来增加弹性连接件120在轴向上的吸振能力。
又比如，在实施例中，如图5所示，通过设置两个第三凸出壁126，两个第三凸出壁126与第一凸出壁121和第二凸出壁122均沿轴向间隔设置，进而能够在外周壁上多形成两个槽位，在第一凸出壁121和第二凸出壁122抵接卡设部131的同时，通过设置两个槽位来增加弹性连接件120在轴向上的吸振能力。在该实施例中，两个第三凸出壁126分别设于第一凸出壁121背离第二凸出壁122的一侧以及第二凸出壁122背离第一凸出壁121的一侧。
第三凸出壁126的个数还可以为三个、四个或者更多个，其主要根据发声模块的功率进行具体设置。
在实施例中，如图5所示，所述第一凸出壁121和所述第二凸出壁122靠近 所述弹性连接件120的中部设置。也即，在该实施例中，卡槽1311卡在弹性连接件120的中部位置，可以有效避免因为在吸收较大横向振动和/或轴向振动时，弹性连接件120从卡槽1311内拔出，以提高弹性连接件120与固定支架130连接的稳固性。
在一些实施例中，所述卡设部131设有与所述卡槽1311连通的缺口1312，所述缺口1312用于所述弹性连接件120卡入所述卡槽1311内；所述缺口1312的宽度小于所述弹性连接件120的直径。在装配时，由于所述缺口1312的宽度小于所述弹性连接件120的直径，进而通过弹性连接件120的弹性形变将其通过缺口1312卡入到卡槽1311内；卡入后，弹性连接件120恢复形变进而限制弹性连接件120从卡槽1311内脱出。
在一些实施例中，所述连接柱111的个数为多个，所述多个连接柱111间隔设于所述壳体110上。连接柱111的分布情况主要根据壳体110的具体构造进行设置。比如如图1所示的结构中，连接柱111设置有四个(由于视角的关系，另外两个在背后，图示中未见)，这四个连接柱111分别设于壳体110的前后左右四个角落位置。
所述弹性连接件120的个数与所述连接柱111的个数一致。如图1所示，弹性连接件120的个数为四个。
所述卡设部131的个数为多个，且与所述连接柱111的个数一致；所述多个卡设部131间隔设于所述固定支架130上。比如如图4所示，结构中，卡设部131设置有四个，这四个连接柱111分别设于固定支架130上，且与壳体110上的连接柱111的位置匹配。
所述连接柱111、所述弹性连接件120与所述卡设部131一一配合。也即， 每一个连接柱111与其对应的弹性连接件120的连接孔129紧密配合，该弹性连接件120卡入与该连接柱111位置匹配的卡设部131的卡槽1311内，实现壳体110与固定支架130的连接，并能吸收壳体110的振动。
从图1和图2中可以看出，连接柱111的位置在高度上是具有差异的，进而卡设部131的位置在高度上也是具有差异的，这主要取决于壳体110的外观形状。壳体110的外观形状则主要取决投影设备的用于容纳扬声器模组的腔体构造。因此，图1和图2仅仅是本申请所提供的一种示例，壳体110外观、连接柱111的设置位置和个数、固定支架130的外观、卡设部131的设置位置和个数由实际情况进行具体设置。
在实施例中，所述弹性连接件120还具有第二轴向端面127，所述第二轴向端面127与所述第一轴向端面123在所述轴向上相对设置。第二轴向端面127即为弹性连接件120背向壳体110的一侧面，其上设置有第二横向骨128，所述第二横向骨128设于所述第二轴向端面127上，沿所述弹性连接件120的径向延伸。该第二横向骨128用于增加轴向方向上的吸振能力。
在一些实施例中，所述连接柱111具有螺纹段；所述扬声器模组还包括螺纹紧固件，所述螺纹紧固件与所述螺纹段螺旋配合。在一些情况下，为了提高连接的稳定性，在实施例中，通过螺纹紧固件对连接柱111进行锁附，可以进一步地避免连接柱111从连接孔129中拔出。这种结构在扬声器模组处于吊装时使用；在扬声器模组处于正装时可以使用，也可以根据对弹性连接件120对连接柱111的固紧力加大时不使用。
在实施例中，所述螺纹紧固件与所述弹性连接件120背向所述壳体110的一侧抵接。一方面，可以避免连接柱111从连接孔129中拔出；另一方面，螺纹紧 固件与弹性连接件120的另一侧抵接时可通过促使弹性连接件120轴向形变以吸收轴向上的振动。在一些实施例中，螺纹紧固件与第二轴向端面上的第二横向骨抵接。
在一些实施例中，连接柱111的螺纹段可以为外螺纹，其伸出连接孔129至弹性连接件120背向壳体110的一侧，然后通过螺帽与之配合，螺帽与第二轴向端面127抵接可以避免连接柱111从通孔中拔出。
在另外一些实施例中，连接柱111具有内螺纹孔，内螺纹孔自连接柱111远离壳体110的一端朝其内部延伸所形成，将外螺纹件(如螺柱或者螺钉)锁附，外螺纹件与第二轴向端面127抵接避免螺帽可以避免连接柱111从通孔中拔出。
本申请还提出一种投影设备，包括外壳和扬声器模组。所述扬声器模组设于所述外内。该扬声器模组采用了前述实施例中的一部分技术方案或者全部技术方案，因而该投影设备具有前述实施例的一部分技术优势或者全部技术优势，能够减小投影设备内部光机的抖动，避免画面抖动，提高显示质量。
以上所述仅为本申请的较佳实施例，并不用以限制本申请，凡在本申请的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本申请的保护范围之内。

Claims (15)

  1. 一种扬声器模组，包括：
    发声模块；
    壳体，所述壳体内设有所述发声模块；所述壳体设有连接柱；
    弹性连接件，所述弹性连接件具有轴向；所述弹性连接件设有沿所述轴向延伸的连接孔；所述连接柱与所述连接孔紧密配合，且所述壳体与所述弹性连接件的第一轴向端面抵接；所述连接柱的外周壁上设有沿所述轴向间隔设置的第一凸出壁和所述第二凸出壁；以及
    固定支架，所述固定支架设有卡设部，所述卡设部上设有卡槽，所述卡槽卡入所述第一凸出壁和所述第二凸出壁之间，并且与所述外周壁紧密接触；且所述卡设部相对两侧分别与所述第一凸出壁和所述第二凸出壁抵接。
  2. 如权利要求1所述的扬声器模组，其中所述连接孔的孔壁上凸设有竖向骨；所述连接柱与所述竖向骨紧密接触。
  3. 如权利要求2所述的扬声器模组，其中，所述竖向骨具有多个，所述多个竖向骨沿所述弹性连接件的周向间隔设置。
  4. 如权利要求2或3所述的扬声器模组，其中，所述竖向骨的截面形状为半圆形、圆形、三角形或者四边形。
  5. 如权利要求1所述的扬声器模组，其中，所述第一轴向端面上凸设有第 一横向骨，沿所述弹性连接件的径向延伸；
    所述壳体与所述第一横向骨紧密接触。
  6. 如权利要求5所述的扬声器模组，其中，所述第一横向骨具有多个，所述多个第一横向骨沿所述弹性连接件的周向间隔设置。
  7. 如权利要求5或6所述扬声器模组，其中，所述第一横向骨的截面形状为半圆形、圆形、三角形或者四边形。
  8. 如权利要求1所述的扬声器模组，其中，所述弹性连接件还具有至少一个第三凸出壁，所述至少一个第三凸出壁设于所述外周壁上，并与所述第一凸出壁和所述第二凸出壁沿所述轴向间隔设置。
  9. 如权利要求1或8所述的扬声器模组，其中，所述第一凸出壁和所述第二凸出壁靠近所述弹性连接件的中部设置。
  10. 如权利要求1所述的扬声器模组，其中，所述卡设部设有与所述卡槽连通的缺口，所述缺口用于所述弹性连接件卡入所述卡槽内；所述缺口的宽度小于所述弹性连接件的直径。
  11. 如权利要求1所述的扬声器模组，其中，所述连接柱的个数为多个，所述多个连接柱间隔设于所述壳体上；所述弹性连接件的个数与所述连接柱的 个数一致；
    所述卡设部的个数为多个，且与所述连接柱的个数一致；所述多个卡设部间隔设于所述固定支架上；
    所述连接柱、所述弹性连接件与所述卡设部一一配合。
  12. 如权利要求1所述的扬声器模组，其中，所述弹性连接件还具有第二轴向端面，所述第二轴向端面与所述第一轴向端面在所述轴向上相对设置；
    所述弹性连接件还具有第二横向骨，所述第二横向骨设于所述第二轴向端面上，沿所述弹性连接件的径向延伸。
  13. 如权利要求1所述的扬声器模组，其中，所述连接柱具有螺纹段；所述扬声器模组还包括螺纹紧固件，所述螺纹紧固件与所述螺纹段螺旋配合。
  14. 如权利要求13所述的扬声器模组，其中，所述螺纹紧固件与所述弹性连接件背向所述壳体的一侧抵接。
  15. 一种投影设备，包括：
    外壳；和
    如权利要求1至14中任一项所述的扬声器模组，所述扬声器模组设于所述外内。
PCT/CN2024/096161 2024-05-29 2024-05-29 一种扬声器模组及投影设备 Pending WO2025245751A1 (zh)

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CN219041966U (zh) * 2022-11-21 2023-05-16 广州视源电子科技股份有限公司 扬声器固定结构及交互平板
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CN207150823U (zh) * 2017-08-03 2018-03-27 成都市极米科技有限公司 非对称被动震膜喇叭以及投影仪
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