WO2022006933A1 - 发声装置 - Google Patents

发声装置 Download PDF

Info

Publication number
WO2022006933A1
WO2022006933A1 PCT/CN2020/102059 CN2020102059W WO2022006933A1 WO 2022006933 A1 WO2022006933 A1 WO 2022006933A1 CN 2020102059 W CN2020102059 W CN 2020102059W WO 2022006933 A1 WO2022006933 A1 WO 2022006933A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound
bracket
clamping plate
housing
isolation net
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.)
Ceased
Application number
PCT/CN2020/102059
Other languages
English (en)
French (fr)
Inventor
肖波
令狐荣林
孔晨亮
章统
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.)
AAC Technologies Holdings Shenzhen Co Ltd
AAC Technologies Pte Ltd
Original Assignee
AAC Acoustic Technologies Shenzhen Co Ltd
AAC Technologies Pte 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 AAC Acoustic Technologies Shenzhen Co Ltd, AAC Technologies Pte Ltd filed Critical AAC Acoustic Technologies Shenzhen Co Ltd
Publication of WO2022006933A1 publication Critical patent/WO2022006933A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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

  • the utility model relates to the technical field of loudspeakers, in particular to a sound producing device.
  • a shell structure needs to be additionally provided on the equipment for installing the sound-generating unit to form a back cavity, and an air-permeable spacer should be bonded between the sound-generating unit and the shell structure to A sound absorbing material is filled between the breathable spacer and the shell structure.
  • the rear cavity filled with the sound-absorbing material is not conducive to the heat dissipation of the speaker unit.
  • the purpose of the present invention is to provide a sounding device that can dissipate heat well.
  • a sound-generating device comprising a speaker unit, the sound-generating device further comprising a housing, a bracket connecting the speaker unit and the housing, and a first isolation net connected with the inner wall of the bracket, the speaker unit
  • There is a lower splint contacting with the first isolation net, the shell, the bracket, the first isolation net and the lower splint are surrounded to form a sound-absorbing cavity for accommodating sound-absorbing materials, and the lower splint is provided with a sound-absorbing cavity toward the A heat dissipation protrusion extending in the direction of the casing and in contact with the inner wall of the casing.
  • the inner wall of the bracket is provided with a groove extending in the direction of the outer wall of the bracket, and the outer peripheral edge of the first isolation net is fixedly connected in the groove.
  • the casing is a metal casing
  • the bracket is provided with a through hole for the heat dissipation protrusion to pass through and contact with the inner wall of the casing.
  • the speaker unit includes a vibration system, a magnetic circuit system, and an annular support plate connecting the vibration system and the bracket
  • the magnetic circuit system further includes a main magnetic circuit assembly fixed on the lower plate, an upper splint fixed on the annular support plate, a secondary magnetic steel located between the upper splint and the lower splint and spaced from the main magnetic circuit assembly to form a magnetic gap
  • the vibration system includes a secondary magnetic steel fixed on the annular support The upper vibrating membrane of the support plate, the voice coil inserted in the magnetic gap, the skeleton for fixing the voice coil and the upper vibrating membrane, and the dome structure connected with the skeleton.
  • the main magnetic circuit assembly includes a main magnetic steel located on the lower clamping plate and a main pole core stacked on the main magnetic steel, and the auxiliary magnetic steel is a ring magnetic steel structure and is sleeved on the main magnetic steel.
  • the main magnetic steel forms the magnetic gap outside the main pole core.
  • a first sound absorbing hole, a second sound absorbing hole and a third sound absorbing hole penetrating the sound absorbing cavity are sequentially arranged on the lower splint, the main magnet steel and the main pole core, and the magnetic circuit system further includes a cover arranged on a The second isolation net on the third sound-absorbing hole.
  • the speaker unit further includes a support assembly, the support assembly includes an elastic conductive member electrically connected to the voice coil and an elastic conductive member opposite to the dome and sandwiched between the frame and the annular support plate between the lower diaphragm.
  • the support assembly includes an elastic conductive member electrically connected to the voice coil and an elastic conductive member opposite to the dome and sandwiched between the frame and the annular support plate between the lower diaphragm.
  • the outer periphery of the annular support plate in the direction of the bracket is provided with a first fastener
  • the outer periphery of the bracket in the direction of the annular support plate is provided with a first fastener adapted to the first fastener.
  • Two snap fasteners are provided.
  • the outer periphery of the lower clamping plate is provided with a first step
  • the inner periphery of the first isolation net is provided with a second step fixedly connected with the first step
  • the sounding device further comprises a connection gasket arranged between the casing and the bracket.
  • a sound-absorbing cavity for accommodating sound-absorbing materials is formed by surrounding the shell, the bracket, the first isolation net and the lower splint, thereby achieving the effect of improving the low-frequency sound of the speaker unit.
  • the lower splint is in contact with the inner wall of the shell to form a heat dissipation channel, so that the heat generated by the speaker unit can be transferred from the lower splint to the shell and then transferred to the external environment, which effectively improves the heat dissipation effect of the speaker unit.
  • the shell is made of metal, Better cooling effect.
  • Fig. 1 is the structural representation of the sound-emitting device of the present invention
  • FIG. 2 is a schematic diagram of the first exploded structure of the sound-emitting device of the present invention.
  • Fig. 3 is the sectional view along the A-A direction in Fig. 1;
  • Fig. 4 is a partial enlarged view of part B in Fig. 3;
  • FIG. 5 is a schematic diagram of the partial connection structure of the lower splint and the bracket of the present invention.
  • FIG. 6 is a schematic diagram of a second exploded structure of the sound-emitting device of the present invention.
  • FIG. 7 is a schematic diagram of a third exploded structure of the sound-emitting device of the present invention.
  • FIG. 8 is a schematic structural diagram of the skeleton of the present invention.
  • the present invention discloses a sound-generating device, which includes a speaker unit 1 , the sound-generating device further includes a housing 2 , a bracket 3 connecting the speaker unit 1 and the housing 2 , and a perimeter and the bracket 3 .
  • the first isolation net 4 connected to the inner wall, the speaker unit is provided with a lower splint that is in contact with the first isolation mesh, and the shell 2, the bracket 3, the first isolation mesh 4 and the lower splint 123 are surrounded to form an accommodation.
  • the lower plate 123 is provided with a heat-dissipating protrusion 1231 extending toward the direction of the casing 2 and in contact with the inner wall of the casing 2 .
  • the casing 2 is a metal casing
  • the lower clamping plate 123 is a metal clamping plate
  • the heat dissipation protrusion 1231 and the lower clamping plate 123 are integrally formed.
  • a sound-absorbing cavity 20 for accommodating sound-absorbing materials is formed around the shell 2 , the bracket 3 , the first isolation net 4 and the lower splint 123 , thereby achieving the effect of improving the low-frequency sound of the speaker unit 1 .
  • the lower splint 123 is in contact with the inner wall of the housing 2 to form a metal heat dissipation channel, so that the heat generated by the speaker unit 1 can be transferred from the lower splint 123 to the housing 2 and then transferred to the external environment, effectively improving the heat dissipation effect of the speaker unit 1 , When the shell is metal, the heat dissipation effect is better.
  • the inner wall of the bracket 3 is provided with a groove 31 extending toward the outer wall of the bracket 3 , and the outer periphery of the first isolation net 4 is fixedly connected in the groove 31 .
  • the outer peripheral edge of the first isolation net 4 is stably injected on the bracket 3 by inserting it into the groove 31 .
  • the bracket 3 is provided with a through hole 32 through which the heat dissipation protrusion 1231 of the lower clamping plate 123 passes and is in contact with the inner wall of the housing 2 .
  • the outer edge of the first isolation net 4 is arranged on the inner wall of the bracket 3, and the lower splint 123 is arranged on the inner periphery of the first isolation mesh 4. Part of the lower splint 123 extends out of the first isolation mesh 4 and passes through the bracket 3 in order to connect with the shell.
  • the body 2 is in contact, and the arrangement of the through hole 32 can not only realize the contact between the lower clamping plate 123 and the inner wall of the casing 2 , but also increase the stability of the fixing of the casing 2 .
  • the outer periphery of the lower clamping plate 123 is provided with a first step 1233
  • the inner periphery of the first isolation net 4 is provided with a second step 41 fixedly connected with the first step 1233 .
  • the lower splint 123 and the first isolation net 4 are connected by injection molding through the matching of the first step 1233 and the second step 41, and the injection molding structure is more stable.
  • the sound generating device further includes a connection gasket 5 arranged between the casing 2 and the bracket 3 .
  • the outer periphery of the bracket 3 is provided with a connection table 33 that is fixedly connected to the shell 2
  • the connection gasket 5 is fixed on the connection table 33
  • the outer edge of the shell 2 is provided with a plurality of protrusions that match the shape of the connection gasket 5 .
  • Position 21, the raised position 21 is fixed on the connection gasket 5 to realize the fixed connection between the shell 2 and the bracket 3.
  • the shell 2 is also provided with a powder filling hole 22 for filling the sound-absorbing material and an air guide hole 23 for easy ventilation.
  • the diameter of the powder filling hole 22 is larger than that of the air guide hole 23 .
  • the powder filling hole 22 is provided with a powder filling cover 24, and the air guide hole 23 is provided with an air guide cover 25.
  • a buffer groove 1234 is recessed on the surface of the lower clamping plate 123 .
  • the most heat is generated in the magnetic gap 10 of the speaker unit 1.
  • the provision of the buffer groove 1234 can increase the contact area between the lower splint 123 and the magnetic gap 10 on the one hand, and improve the heat dissipation effect; on the other hand, avoid the speaker unit 1 If the vibration amplitude of the vibration system is too large, the lower clamping plate 123 is damaged.
  • the speaker unit 1 includes a vibration system 11, a magnetic circuit system 12, and an annular support plate 14 connecting the vibration system 11 and the bracket 3.
  • the lower clamping plate 123 is arranged in the magnetic circuit system 12.
  • the magnetic circuit system 12 It also includes a main magnetic circuit assembly 121 fixed on the lower clamp plate 123, an upper clamp plate 124 fixed on the annular support plate 14, and a secondary clamp located between the upper clamp plate 124 and the lower clamp plate 123 and spaced from the main magnetic circuit assembly 121 to form a magnetic gap 10.
  • the vibration system 11 includes an upper diaphragm 111 fixed on the annular support plate 14, a voice coil 112 inserted in the magnetic gap 10, a frame 113 for fixing the voice coil 112 and the upper diaphragm 111, and a ball connected to the frame 113 Top structure 114 .
  • the voice coil 112 is inserted into the magnetic gap 10.
  • an alternating current is passed through, under the action of the magnetic field of the main magnetic circuit assembly 121 and the auxiliary magnetic circuit assembly 122, the voice coil 112 will receive an alternating driving force, generating The alternating motion causes the upper diaphragm 111 to vibrate along the vibration direction of the voice coil 112 under the support of the dome structure 114, thereby producing sound.
  • the main magnetic circuit assembly 121 includes a main magnetic steel 1211 located on the lower clamp plate 123 and a main pole core 1212 stacked on the main magnetic steel 1211 .
  • the auxiliary magnetic steel 122 and the upper clamp plate 124 are sleeved on the main magnetic steel 1211 and the main magnetic steel 1211 .
  • the main pole core 1212 is outside and forms the magnetic gap 10 .
  • a first sound-absorbing hole 1232, a second sound-absorbing hole 1211a, and a third sound-absorbing hole 1212a are formed on the lower splint 123, the main magnetic steel 1211, and the main pole core 1212 in sequence.
  • the magnetic circuit system 12 also includes a cover The second isolation net 13 on the third sound-absorbing hole 1212a.
  • the arrangement of the first sound absorbing hole 1232 , the second sound absorbing hole 1211 a and the third sound absorbing hole 1212 a can further increase the volume of the sound absorbing cavity and realize the filling of more sound absorbing materials, thereby achieving a more stable sounding effect at low frequencies.
  • the speaker unit 1 further includes a support assembly 15 , and the support assembly 15 includes an elastic conductive member 151 electrically connected to the voice coil 112 and a lower portion opposite to the dome structure 114 and sandwiched between the frame 113 and the annular support plate 14 . Diaphragm 152 .
  • the bottom of the annular support plate 14 is provided with two oppositely arranged bayonet openings 142.
  • the annular support plate 14 clamps the protrusion 1241 on the upper splint 124 on the bracket 3 through the bayonet openings 142, so that the weight of the magnetic circuit system 12 is transmitted to the bracket 3.
  • the frame 113 includes two vertically spaced first side support arms 1131 , a ring-shaped second side support arm 1132 spaced apart from the first side support arms 1131 , and connected to the first side support arms 1131 and the lateral connecting arm 1133 of the second side arm 1132, the lateral connecting arm 1133 is connected to the dome structure 114, the end of the first side arm 1131 away from the lateral connecting arm 1133 is connected to the elastic conductive member 151, and the second side arm 1131 is connected to the elastic conductive member 151.
  • One end of the arm 1132 away from the transverse connecting arm 1133 is connected to the voice coil 112 so that an alternating driving force can be generated in the magnetic circuit system 12 .
  • the spherical top structure 114 is an annular structure adapted to the structure of the frame 113
  • the lower diaphragm 152 is two sheet-like structures symmetrically opened at the connection between the frame 113 and the annular support plate 14 .
  • the dome structure 114 , the lower diaphragm 152 and the elastic conductive member 151 are all elastic components, which can drive and restore the vibration process of the upper diaphragm 111 to a certain extent.
  • the outer periphery of the annular support plate 14 in the direction of the bracket 3 is provided with a first fastener 141
  • the outer periphery of the bracket 3 in the direction of the annular support plate 14 is provided with a second fastener adapted to the first fastener 141 .
  • Buckle 34 The speaker unit 1 and the bracket 3 are fixed by the cooperation of the first buckle 141 and the second buckle 34 , and the fixing structure is stable and easy to disassemble.

Landscapes

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

Abstract

本实用新型提供了发声装置。本实用新型的发声装置包括扬声器单体，该发声装置还包括壳体、连接扬声器单体与壳体的支架、外周与支架的内壁连接的第一隔离网以及固定于第一隔离网朝向扬声器单体的表面的下夹板，壳体、支架、第一隔离网以及下夹板围设形成容纳吸音材料的吸音腔，下夹板上设有向壳体方向延伸并与壳体内壁相接触的散热凸起。下夹板与壳体均为金属件，下夹板直接与扬声器单体相对，壳体与外界环境相通，下夹板与壳体内壁相接触形成金属散热通道，从而实现了扬声器单体产生的热量依次由下夹板到壳体传递至外界环境中，有效提高了扬声器单体的散热效果。

Description

发声装置 技术领域
本实用新型涉及扬声器技术领域，尤其涉及一种发声装置。
 背景技术
现有技术中，为了起到调节低频的效果，安装发声单体的设备上需要另外设置壳体结构以形成后腔，且要在发声单体和壳体结构之间粘接透气隔离件以在透气隔离件和壳体结构之间填充吸音材料。填充吸音材料后的后腔不利于扬声器单体的散热。
 技术问题
本实用新型的目的在于提供一种可良好散热的发声装置。
 技术解决方案
本实用新型的技术方案如下：
一种发声装置，包括扬声器单体，该发声装置还包括壳体、连接所述扬声器单体与所述壳体的支架以及与所述支架的内壁连接的第一隔离网，所述扬声器单体上设有与所述第一隔离网相接触的下夹板，所述壳体、支架、第一隔离网以及下夹板围设形成容纳吸音材料的吸音腔，所述下夹板上设有向所述壳体方向延伸并与所述壳体内壁相接触的散热凸起。
优选地，所述支架的内壁设有向所述支架的外壁方向延伸的凹槽，所述第一隔离网的外周缘固定连接于所述凹槽内。
优选地，所述壳体为金属壳体，所述支架上设有用于供所述散热凸起穿过且与所述壳体内壁相接触的通孔。
优选地，所述扬声器单体包括振动系统、磁路系统以及连接所述振动系统与所述支架的环形支板，所述磁路系统还包括固定于所述下夹板上的主磁路组件、固定于所述环形支板的上夹板、位于所述上夹板与所述下夹板之间且与所述主磁路组件间隔形成磁间隙的副磁钢，所述振动系统包括固定于所述环形支板的上振膜、插置于所述磁间隙的音圈、固定音圈以及上振膜的骨架以及连接与所述骨架连接的球顶结构。
优选地，所述主磁路组件包括位于所述下夹板上的主磁钢以及叠设于所述主磁钢上的主极芯，所述副磁钢为环形磁钢结构并套设于所述主磁钢与所述主极芯外并形成所述磁间隙。
优选地，所述下夹板、主磁钢以及主极芯上依次设有贯通所述吸音腔的第一吸音孔、第二吸音孔以及第三吸音孔，所述磁路系统还包括盖设于所述第三吸音孔上的第二隔离网。
优选地，所述扬声器单体还包括支撑组件，所述支撑组件包括与所述音圈电连接的弹性导电件以及与所述球顶相对并夹设于所述骨架与所述环形支板之间的下振膜。
优选地，所述环形支板朝向所述支架方向的外周设有第一卡扣件，所述支架朝向所述环形支板方向的外周设有与所述第一卡扣件相适配的第二卡扣件。
优选地，所述下夹板的外周缘设有第一台阶，所述第一隔离网的内周缘设有与所述第一台阶固定连接的第二台阶。
优选地，该发声装置还包括设于所述壳体与所述支架之间的连接垫片。
 有益效果
本实用新型的有益效果在于：
本方案通过壳体、支架、第一隔离网以及下夹板围设形成容纳吸音材料的吸音腔，从而实现了改善扬声器单体低频发声的效果。下夹板与壳体内壁相接触形成散热通道，从而实现了扬声器单体工作产生的热量可由下夹板到壳体再传递至外界环境中，有效提高扬声器单体的散热效果，壳体为金属时，散热效果更优。
 附图说明
图1为本实用新型发声装置的结构示意图；
图2为本实用新型发声装置的第一分解结构示意图；
图3为图1中沿A-A方向的剖视图；
图4为图3中B部分的局部放大图；
图5为本实用新型下夹板与支架的局部连接结构示意图；
图6为本实用新型发声装置的第二分解结构示意图；
图7为本实用新型发声装置的第三分解结构示意图；
图8为本实用新型骨架的结构示意图。
 本发明的实施方式
下面结合附图和实施方式对本实用新型作进一步说明。
请参阅图1-5，本实用新型公开了一种发声装置，包括扬声器单体1，该发声装置还包括壳体2、连接扬声器单体1与壳体2的支架3以及外周与支架3的内壁连接的第一隔离网4，所述扬声器单体上设有与所述第一隔离网相接触的下夹板，壳体2、支架3、第一隔离网4以及下夹板123围设形成容纳吸音材料的吸音腔20，下夹板123上设有向壳体2方向延伸并与壳体2内壁相接触的散热凸起1231。壳体2为金属壳体，下夹板123为金属夹板，散热凸起1231与下夹板123为一体成型结构。
相较于现有技术，本方案通过壳体2、支架3、第一隔离网4以及下夹板123围设形成容纳吸音材料的吸音腔20，从而实现了改善扬声器单体1低频发声的效果。下夹板123与壳体2内壁相接触形成金属散热通道，从而实现了扬声器单体1工作产生的热量可由下夹板123到壳体2再传递至外界环境中，有效提高扬声器单体1的散热效果，壳体为金属时，散热效果更优。
请进一步参阅图4，支架3的内壁设有向支架3外壁方向延伸的凹槽31，第一隔离网4的外周缘固定连接于凹槽31内，本方案优选注塑连接方式。第一隔离网4的外周缘通过插入凹槽31内实现稳定注塑于支架3上。
在本实施例中，支架3上设有用于下夹板123的散热凸起1231穿过并与壳体2内壁相接触的通孔32。第一隔离网4的外边缘设于支架3的内壁上，下夹板123设于第一隔离网4的内周缘，下夹板123的局部伸出第一隔离网4并穿过支架3才能与壳体2相接触，通孔32的设置既可以实现下夹板123与壳体2内壁的接触，同时也可以增加壳体2固定的稳定性。
在本实施例中，下夹板123的外周缘设有第一台阶1233，第一隔离网4的内周缘设有与第一台阶1233固定连接的第二台阶41，本方案优选注塑连接方式。下夹板123与第一隔离网4通过第一台阶1233以及第二台阶41的匹配实现注塑连接，凹凸镶嵌，注塑结构更加稳定。
在本实施例中，该发声装置还包括设于壳体2与支架3之间的连接垫片5。支架3的外周设有与壳体2固定连接的连接台33，连接垫片5固定在连接台33上，壳体2的外边缘设有多个与连接垫片5形状相适配的凸起位21，凸起位21固定于连接垫片5上实现壳体2与支架3的固定连接。
壳体2上还设有灌入吸音材料的灌粉孔22以及便于通气的导气孔23，灌粉孔22的孔径大于导气孔23的孔径。灌粉孔22外设有灌粉盖24，导气孔23外设有导气盖25。
在本实施例中，下夹板123的表面凹设有缓冲槽1234。一般来讲，扬声器单体1的磁间隙10内产生的热量最多，缓冲槽1234的设置一方面可以增加下夹板123与磁间隙10的接触面积，提高散热效果；另一方面避免扬声器单体1中的振动系统振动幅度过大损坏下夹板123。
请进一步参阅图6-7，扬声器单体1包括振动系统11、磁路系统12以及连接振动系统11与支架3的环形支板14，下夹板123设于磁路系统12内，磁路系统12还包括固定于下夹板123上的主磁路组件121、固定于环形支板14的上夹板124、位于上夹板124与下夹板123之间且与主磁路组件121间隔形成磁间隙10的副磁钢122，振动系统11包括固定于环形支板14的上振膜111、插置于磁间隙10的音圈112、固定音圈112以及上振膜111的骨架113以及与骨架113连接的球顶结构114。音圈112插置于磁间隙10内，在通入交变电流时，在主磁路组件121以及副磁路组件122的磁场作用下，音圈112会收到一个交变的推动力，产生交变运动，使得上振膜111在球顶结构114的支撑下，沿音圈112的振动方向振动，从而发声。
具体地，主磁路组件121包括位于下夹板123上的主磁钢1211以及叠设于主磁钢1211上的主极芯1212，副磁钢122以及上夹板124套设于主磁钢1211与主极芯1212外并形成磁间隙10。
具体地，下夹板123、主磁钢1211以及主极芯1212上依次设有贯通吸音腔的第一吸音孔1232、第二吸音孔1211a以及第三吸音孔1212a，磁路系统12还包括盖设于第三吸音孔1212a上的第二隔离网13。第一吸音孔1232、第二吸音孔1211a以及第三吸音孔1212a的设置可以进一步增大吸音腔的体积，实现更多吸音材料的填充，从而达到更加低频稳定的发声效果。
具体地，扬声器单体1还包括支撑组件15，支撑组件15包括与音圈112电连接的弹性导电件151以及与球顶结构114相对并夹设于骨架113与环形支板14之间的下振膜152。
环形支板14底部设有两个相对设置的卡口142，环形支板14通过卡口142将上夹板124上的凸起1241卡置于支架3上，从而使磁路系统12的重量传递至壳体2上，实现磁路系统12更加稳定的固定。
请进一步参阅图8，骨架113包括两个间隔且竖向设置的第一侧支臂1131、与第一侧支臂1131相间隔且为环形的第二侧支臂1132以及连接第一侧支臂1131与第二侧支臂1132的横向连接臂1133，横向连接臂1133与球顶结构114连接，第一侧支臂1131之远离横向连接臂1133的一端与弹性导电件151连接，第二侧支臂1132之远离横向连接臂1133的一端与音圈112连接，以便于在磁路系统12内能产生一个交变的推动力。
球顶结构114为与骨架113结构相适配的环形结构，下振膜152为两个分别对称开设于骨架113与环形支板14连接处的片状结构。球顶结构114、下振膜152以及弹性导电件151均为弹性组件，可以在一定程度上带动并还原上振膜111的振动过程。
在本实施例中，环形支板14朝向支架3方向的外周设有第一卡扣件141，支架3朝向环形支板14方向的外周设有与第一卡扣件141相适配的第二卡扣件34。扬声器单体1以及支架3通过第一卡扣件141与第二卡扣件34的配合实现固定，固定结构稳定，且便于拆卸。
以上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. 一种发声装置，包括扬声器单体，其特征在于，该发声装置还包括壳体、连接所述扬声器单体与所述壳体的支架以及与所述支架的内壁连接的第一隔离网，所述扬声器单体上设有与所述第一隔离网相接触的下夹板，所述壳体、支架、第一隔离网以及下夹板围设形成容纳吸音材料的吸音腔，所述下夹板上设有向所述壳体方向延伸并与所述壳体内壁相接触的散热凸起。
  2. 根据权利要求1所述的发声装置，其特征在于，所述壳体为金属壳体，所述支架上设有用于供所述散热凸起穿过且与所述壳体内壁相接触的通孔。
  3. 根据权利要求1所述的发声装置，其特征在于，所述扬声器单体包括振动系统、磁路系统以及连接所述振动系统与所述支架的环形支板，所述磁路系统还包括固定于所述下夹板上的主磁路组件、固定于所述环形支板的上夹板、位于所述上夹板与所述下夹板之间且与所述主磁路组件间隔形成磁间隙的副磁钢，所述振动系统包括固定于所述环形支板的上振膜、插置于所述磁间隙的音圈、固定音圈以及上振膜的骨架以及与所述骨架连接的球顶结构。
  4. 根据权利要求3所述的发声装置，其特征在于，所述主磁路组件包括位于所述下夹板上的主磁钢以及叠设于所述主磁钢上的主极芯，所述副磁钢为环形磁钢结构并套设于所述主磁钢与所述主极芯外并形成所述磁间隙。
  5. 根据权利要求4所述的发声装置，其特征在于，所述下夹板、主磁钢以及主极芯上依次设有贯通所述吸音腔的第一吸音孔、第二吸音孔以及第三吸音孔，所述磁路系统还包括盖设于所述第三吸音孔上的第二隔离网。
  6. 根据权利要求3所述的发声装置，其特征在于，所述扬声器单体还包括支撑组件，所述支撑组件包括与所述音圈电连接的弹性导电件以及与所述球顶结构相对并夹设于所述骨架与所述环形支板之间的下振膜。
  7. 根据权利要求6所述的发声装置，其特征在于，所述环形支板朝向所述支架方向的外周设有第一卡扣件，所述支架朝向所述环形支板方向的外周设有与所述第一卡扣件相适配的第二卡扣件。
  8. 根据权利要求1所述的发声装置，其特征在于，所述下夹板的外周缘设有第一台阶，所述第一隔离网的内周缘设有与所述第一台阶固定连接的第二台阶。
  9. 根据权利要求1所述的发声装置，其特征在于，所述支架的内壁设有向所述支架的外壁方向延伸的凹槽，所述第一隔离网的外周缘固定连接于所述凹槽内。
  10. 根据权利要求1所述的发声装置，其特征在于，该发声装置还包括设于所述壳体与所述支架之间的连接垫片。
PCT/CN2020/102059 2020-07-08 2020-07-15 发声装置 Ceased WO2022006933A1 (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021331794.7 2020-07-08
CN202021331794.7U CN212628397U (zh) 2020-07-08 2020-07-08 发声装置

Publications (1)

Publication Number Publication Date
WO2022006933A1 true WO2022006933A1 (zh) 2022-01-13

Family

ID=74745551

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/102059 Ceased WO2022006933A1 (zh) 2020-07-08 2020-07-15 发声装置

Country Status (2)

Country Link
CN (1) CN212628397U (zh)
WO (1) WO2022006933A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US12389157B2 (en) * 2022-11-30 2025-08-12 Aac Microtech (Changzhou) Co., Ltd. Speaker box
CN219107649U (zh) * 2023-01-04 2023-05-30 瑞声光电科技(常州)有限公司 发声器件

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160127834A1 (en) * 2014-10-31 2016-05-05 Samsung Electronics Co., Ltd. Electronic device with micro speaker
CN105992107A (zh) * 2015-03-20 2016-10-05 苹果公司 用于电子设备中的部件的一体式框架
CN207835800U (zh) * 2018-01-10 2018-09-07 歌尔股份有限公司 发声装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160127834A1 (en) * 2014-10-31 2016-05-05 Samsung Electronics Co., Ltd. Electronic device with micro speaker
CN105992107A (zh) * 2015-03-20 2016-10-05 苹果公司 用于电子设备中的部件的一体式框架
CN207835800U (zh) * 2018-01-10 2018-09-07 歌尔股份有限公司 发声装置

Also Published As

Publication number Publication date
CN212628397U (zh) 2021-02-26

Similar Documents

Publication Publication Date Title
CN111343542B (zh) 扬声器箱
WO2021103070A1 (zh) 扬声器及音频设备
CN117641208A (zh) 发声装置和电子设备
WO2022166388A1 (zh) 发声装置和耳机
CN211406274U (zh) 一种骨传导扬声器及复合型扬声器
CN207475864U (zh) 一种发声装置及电子设备
US8891804B2 (en) Electroacoustic transducer
CN117560608A (zh) 扬声器及扬声器箱
CN119922464A (zh) 发声装置和发声模组
WO2022110362A1 (zh) 发声装置
CN119012087A (zh) 发声装置和电子设备
CN220273859U (zh) 发声单体和电子设备
WO2022006933A1 (zh) 发声装置
WO2021174577A1 (zh) 发声器件
CN202261781U (zh) 改良的扬声器及其防尘盖结构
WO2024188062A1 (zh) 一种电子设备
CN113993043B (zh) 发声装置和电子设备
CN113660589B (zh) 用于电子装置的发声器件及电子装置
WO2021000194A1 (zh) 一种扬声器
WO2021093003A1 (zh) 扬声器箱
CN119364264B (zh) 发声装置以及电子设备
CN120128859A (zh) 发声装置和电子设备
WO2021103071A1 (zh) 扬声器及音频设备
CN119421090A (zh) 发声装置和电子设备
CN111654791A (zh) 扬声器模组及电子设备

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20944090

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20944090

Country of ref document: EP

Kind code of ref document: A1