WO2021128331A1 - 发声器件 - Google Patents

发声器件 Download PDF

Info

Publication number
WO2021128331A1
WO2021128331A1 PCT/CN2019/129402 CN2019129402W WO2021128331A1 WO 2021128331 A1 WO2021128331 A1 WO 2021128331A1 CN 2019129402 W CN2019129402 W CN 2019129402W WO 2021128331 A1 WO2021128331 A1 WO 2021128331A1
Authority
WO
WIPO (PCT)
Prior art keywords
arm
diaphragm
elastic
fixed
magnetic
Prior art date
Application number
PCT/CN2019/129402
Other languages
English (en)
French (fr)
Inventor
宋威
张帆
金鑫
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 瑞声声学科技(深圳)有限公司, 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
Priority to PCT/CN2019/129402 priority Critical patent/WO2021128331A1/zh
Publication of WO2021128331A1 publication Critical patent/WO2021128331A1/zh

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers

Definitions

  • the utility model relates to the field of sound and electricity, in particular to a sound emitting device used in portable electronic products.
  • the related art sound generating device includes a housing having a housing space and a sound generating unit accommodated in the housing space.
  • the sound generating unit includes a vibration system respectively accommodated in the housing space and drives the vibration system to vibrate and produce sound
  • the magnetic circuit system the magnetic circuit system has a magnetic gap;
  • the vibration system includes a diaphragm, a voice coil inserted in the magnetic gap to drive the diaphragm to vibrate and produce sound, connected to the voice coil away from An elastic piece on one side of the diaphragm and an auxiliary diaphragm fixed to the elastic piece.
  • the shape design of the elastic element is limited to the design of the auxiliary diaphragm, which limits the design freedom of the elastic element, resulting in low vibration and sound reliability of the sound generating device.
  • the purpose of the utility model is to provide a sound device with high reliability.
  • the present invention provides a sound generating device, which includes a basin frame, a vibration system supported on the basin frame, and a magnetic circuit system that drives the vibration system to vibrate and produce sound, the magnetic circuit system having a magnetic gap;
  • the vibration system includes a diaphragm, a voice coil inserted in the magnetic gap to drive the diaphragm to vibrate and produce sound, and an elastic member support assembly fixed to the basin frame and connected to the voice coil, the elastic support
  • the components include:
  • An elastic member the elastic member includes a first fixed arm connected to the basin frame, a second fixed arm spaced apart from the first fixed arm, and a connection between the first fixed arm and the second fixed arm A first elastic arm, the second fixed arm is connected to the voice coil; and,
  • the auxiliary diaphragm is attached to the side of the second fixed arm away from the diaphragm, and the first elastic arm is located on the side of the auxiliary diaphragm close to the frame.
  • the second fixed arm includes a first arm disposed opposite to the first fixed arm and connected to the first elastic arm, and located on a side of the first arm away from the first fixed arm and A second arm spaced apart from the first arm and a second elastic arm connecting the second arm and the first arm.
  • the vibration system further includes a frame
  • the frame includes a frame body supported on the side of the second fixed arm close to the diaphragm and connected to the diaphragm, and the frame body is moved closer to the diaphragm from the frame body.
  • the direction of the magnetic circuit system bends and extends an extension wall, the extension wall extends into the magnetic gap and is connected to the voice coil, and the voice coil is connected to the second fixed arm through the skeleton.
  • the auxiliary diaphragm includes a third fixing part attached to the first arm, a fourth fixing part attached to the second arm and fixed to the basin frame, and connected to the third fixing part. Part and the fourth fixing part, and a folding ring part arranged opposite to the second elastic arm.
  • the elastic members include two and are spaced apart from each other, the skeleton includes two and are respectively connected to the two elastic members, and the skeleton body of each of the skeletons is close to the opposite side of the magnetic circuit system.
  • the two ends are respectively bent and extended to form two extension walls.
  • the voice coil has a rectangular structure with rounded corners, and the four extension walls are respectively fixedly connected to the positions of the four rounded corners of the voice coil.
  • the magnetic circuit system includes a magnetic yoke fixed on the side of the frame away from the diaphragm, a main magnetic steel fixed to the magnetic yoke, and a main magnetic steel fixed to the magnetic yoke and connected to the main magnetic steel
  • the auxiliary magnetic steels forming the magnetic gap at intervals are provided with a relief opening, and the extension wall extends into the magnetic gap through the relief opening.
  • each of the skeletons surrounds and encloses a first vacant space;
  • the auxiliary magnets include two first auxiliary magnets arranged at intervals on opposite sides of the main magnet and two first auxiliary magnets arranged at intervals on the main magnet.
  • the two second auxiliary magnets on the other opposite sides of the steel, each of the first auxiliary magnets is housed in the first space on the same side and is spaced apart from the second arm on the same side;
  • the adjacent first secondary magnetic steel and the second secondary magnetic steel are spaced apart to form the relief opening.
  • each of the skeleton body includes a first section connected to the first arm and two second sections bent and extended from opposite ends of the first section in a direction close to the magnetic circuit system, and The two second sections are respectively connected to the first arm; the two second sections of the same skeleton body are respectively bent and extended to form two extension walls, and the first relief space is defined by The first section, the two second sections and the two extension walls of the same skeleton body are jointly enclosed.
  • the sound emitting device further includes an upper cover covering the basin frame, the upper cover is provided with a sound outlet, the diaphragm and the upper cover jointly enclose a front sound cavity, and the sound outlet
  • the front acoustic cavity is communicated with the outside; the diaphragm and the basin frame jointly enclose the sounding cavity.
  • the auxiliary diaphragm is attached to the side of the second fixed arm away from the diaphragm, and the projection of the first elastic arm along the vibration direction falls on
  • the auxiliary diaphragm is outside the scope;
  • the auxiliary diaphragm includes a third fixing portion attached to the first arm, a fourth fixing portion attached to the second arm and fixed to the basin frame, and A folding ring part connected to the third fixing part and the fourth fixing part and arranged opposite to the second elastic arm.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the sound generating device of the present invention.
  • Figure 2 is an exploded schematic diagram of the three-dimensional structure of the sound generating device of the present invention.
  • Figure 3 is a partial three-dimensional structure diagram of the sound generating device of the present invention.
  • FIG. 4 is a schematic diagram of a partial three-dimensional structure assembly of the sounding monomer of the sounding device of the present invention.
  • Fig. 5 is a sectional view taken along the line A-A in Fig. 1;
  • the present invention provides a sound generating device 100, which includes a basin frame 1, a vibration system 2 supported on the basin frame 1, and a magnetic circuit that drives the vibration system 2 to vibrate and produce sound.
  • System 3 the magnetic circuit system 3 has a magnetic gap.
  • the vibration system 2 includes a diaphragm 21, a voice coil 22 inserted in the magnetic gap to drive the diaphragm 21 to vibrate and produce sound, and an elastic member fixed to the frame 1 and connected to the voice coil 22.
  • Component 23 is a diaphragm 21, a voice coil 22 inserted in the magnetic gap to drive the diaphragm 21 to vibrate and produce sound, and an elastic member fixed to the frame 1 and connected to the voice coil 22.
  • the elastic support assembly 23 includes an elastic member 231 and an auxiliary diaphragm 232.
  • the elastic member 231 includes a first fixed arm 2311 connected to the basin frame 1, a second fixed arm 2312 spaced apart from the first fixed arm 2311, and a second fixed arm 2312 that connects the first fixed arm 2311 and the first fixed arm 2311.
  • the first elastic arm 2313 of the second fixed arm 2312, the second fixed arm 2312 is connected to the voice coil 22;
  • the second fixed arm 2312 includes a spaced opposite to the first fixed arm 2311 and is connected to The first arm 23121 of the first elastic arm 2313, the second arm 23122 located on the side of the first arm 23121 away from the first fixed arm 2311 and spaced apart from the first arm 23121, and connected to the first arm 23121
  • the second arm 23122 and the second elastic arm 23123 of the first wall 23121 is connected to the first arm 23121.
  • the auxiliary diaphragm 232 is attached to the side of the second fixed arm 2312 away from the diaphragm 21, and the projection of the first elastic arm 2313 in the vibration direction falls on the auxiliary vibration Out of the range of the membrane 232.
  • the auxiliary diaphragm 232 includes a third fixing portion 2321 attached to the first arm 23121, a fourth fixing portion 2322 attached to the second arm 23122 and fixed to the basin frame 1, and connected to the The third fixing portion 2321 and the fourth fixing portion 2322 are provided with a folding ring portion 2323 opposite to and spaced apart from the second elastic arm 23123.
  • This structure enables the first elastic arm to be designed on the outer side of the auxiliary diaphragm, so that the design freedom of the first elastic arm 2123 is greater, and the reliability is higher, thereby improving the reliability of the sound generating device 100.
  • the vibration system 2 further includes a skeleton 24, and the skeleton 24 includes a skeleton body 241 supported by the second fixed arm 2312 on the side close to the diaphragm 21 and connected to the diaphragm 21, and a skeleton body 241 supported by the skeleton body 241 bends and extends an extension wall 242 in a direction close to the magnetic circuit system 3, the extension wall 242 extends into the magnetic gap and is connected to the voice coil 22, and the voice coil 22 passes through the bobbin 24 Connect with the second fixed arm 2312.
  • the number of elastic members 231 and skeletons 24 is not limited, and they can be set according to actual conditions.
  • the elastic members 231 include two and are spaced apart from each other.
  • the frame 24 includes two and is respectively connected to the two elastic members 231, and the frame body 241 of each frame 24 is respectively bent and extended near the opposite ends of the magnetic circuit system 3 to form two extensions. ⁇ 242.
  • each of the skeletons 24 surrounds a first space
  • each of the skeleton bodies 241 includes a first section 2411 connected to the first arm 23121 and two opposite sides of the first section 2411.
  • the ends are respectively bent and extended in the direction of the magnetic circuit system 3, and the two second sections 2412 are respectively connected to the first arm 23121; two of the same skeleton body 241
  • the second section 2412 is respectively bent and extended to form two extension walls 242, and the first concession space is defined by the first section 2411, the two second sections 2412 and the second section 2412 of the same skeleton body 241.
  • the two extension walls 242 are enclosed together.
  • the structure of the voice coil 22 is not limited, and it can be selected according to actual conditions.
  • the voice coil 22 has a rectangular structure with rounded corners, and the four extension walls 242 are respectively fixedly connected to the positions of the four rounded corners of the voice coil 22.
  • the magnetic circuit system 3 includes a magnetic yoke 31 fixed to the side of the basin frame 1 away from the diaphragm 21, a main magnetic steel 32 fixed to the magnetic yoke 31, and a main magnetic steel 32 fixed to the magnetic yoke 31 and connected to the magnetic yoke 31.
  • the main magnet 32 forms the auxiliary magnet 33 of the magnetic gap at intervals, the auxiliary magnet is provided with a relief opening, and the extension wall 242 extends into the magnetic gap through the relief opening.
  • the auxiliary magnets 33 include two first magnets that are arranged at intervals on opposite sides of the main magnet 32.
  • the inner part and the second arm 23122 on the side are arranged at intervals; the adjacent first auxiliary magnet 331 and the second auxiliary magnet 332 are spaced apart to form the relief opening.
  • the sounding device 100 further includes an upper cover 4 covering the basin frame 1, the upper cover 4 is provided with a sound outlet, the diaphragm 21 and the upper cover 4 jointly form a front sound cavity, the The sound outlet connects the front sound cavity with the outside; the diaphragm 21 and the basin frame 1 jointly enclose the sound cavity.
  • the upper cover 4 and the basin frame 1 can be an integral structure or a separate structure, which can be set according to different situations.
  • the auxiliary diaphragm is attached to the side of the second fixed arm away from the diaphragm, and the projection of the first elastic arm along the vibration direction falls on
  • the auxiliary diaphragm is outside the scope;
  • the auxiliary diaphragm includes a third fixing portion attached to the first arm, a fourth fixing portion attached to the second arm and fixed to the basin frame, and A folding ring part connected to the third fixing part and the fourth fixing part and arranged opposite to the second elastic arm.

Abstract

本实用新型提供了一种发声器件，其包括盆架、振动系统以及磁路系统，磁路系统具有磁间隙；振动系统包括振膜、音圈以及弹性件支撑组件，弹性支撑组件包括弹性件和辅助振膜，弹性件包括连接于盆架的第一固定臂、与第一固定臂间隔设置的第二固定臂以及连接第一固定臂和第二固定臂的第一弹臂，第二固定臂与音圈连接；辅助振膜贴设于第二固定臂远离振膜的一侧，第一弹臂沿振动方向的投影落在辅助振膜的范围外。与相关技术相比，本实用新型的发声器件中的弹性件的设计自由度大，可靠性更优。

Description

发声器件 技术领域
本实用新型涉及声电领域，尤其涉及一种运用于便携式电子产品的发声器件。
 背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端设备。目前，手机的功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的发声器件被大量应用到现在的智能移动设备之中。
相关技术的所述发声器件包括具有收容空间的壳体以及收容于收容空间内的发声单体，所述发声单体包括分别收容于所述收容空间内的振动系统以及驱动所述振动系统振动发声的磁路系统，所述磁路系统具有磁间隙；所述振动系统包括振膜、插设于所述磁间隙内用以驱动所述振膜振动发声的音圈、连接于所述音圈远离所述振膜一侧的弹性件以及固定于所述弹性件的辅助振膜。
 技术问题
然而，相关技术中，弹性件的造型设计受限于辅助振膜的设计，使所述弹性件的设计自由度受限，从而导致发声器件的振动发声可靠性低。
因此，实有必要提供一种新的发声器件解决上述技术问题。
 技术解决方案
本实用新型的目的在于提供一种可靠性高的发声器件。
为了达到上述目的，本实用新型提供一种发声器件，其包括盆架、支撑于所述盆架的振动系统以及驱动所述振动系统振动发声的磁路系统，所述磁路系统具有磁间隙；所述振动系统包括振膜、插设于所述磁间隙以驱动所述振膜振动发声的音圈以及固定于所述盆架并与所述音圈连接的弹性件支撑组件，所述弹性支撑组件包括：
弹性件，所述弹性件包括连接于所述盆架的第一固定臂、与所述第一固定臂间隔设置的第二固定臂以及连接所述第一固定臂和所述第二固定臂的第一弹臂，所述第二固定臂与所述音圈连接；以及，
辅助振膜，所述辅助振膜贴设于所述第二固定臂远离所述振膜的一侧，所述第一弹臂位于所述辅助振膜靠近所述盆架的一侧。
优选的，所述第二固定臂包括与所述第一固定臂间隔相对设置且连接于所述第一弹臂的第一臂、位于所述第一臂远离所述第一固定臂一侧且与所述第一臂间隔设置的第二臂以及连接所述第二臂和所述第一臂的第二弹臂。
优选的，所述振动系统还包括骨架，所述骨架包括支撑于所述第二固定臂靠近所述振膜一侧且连接于所述振膜的骨架本体以及由所述骨架本体向靠近所述磁路系统的方向弯折延伸的延伸壁，所述延伸壁延伸至所述磁间隙内并与所述音圈连接，所述音圈通过所述骨架与所述第二固定臂连接。
优选的，所述辅助振膜包括贴合于所述第一臂的第三固定部、贴合于所述第二臂并固定于所述盆架的第四固定部以及连接所述第三固定部和所述第四固定部且与所述第二弹臂相对间隔设置的折环部。
优选的，所述弹性件包括两个且相互间隔设置，所述骨架包括两个且分别连接于两个所述弹性件，每一所述骨架的所述骨架本体靠近所述磁路系统的相对两端分别弯折延伸形成两个所述延伸壁。
优选的，所述音圈呈带圆角的矩形结构，四个所述延伸壁分别固定连接于所述音圈的四个圆角的位置。
优选的，所述磁路系统包括固定于所述盆架远离所述振膜一侧的磁轭、固定于所述磁轭的主磁钢以及固定于所述磁轭并与所述主磁钢间隔形成所述磁间隙的副磁钢，所述副磁钢开设有让位口，所述延伸壁经所述让位口延伸至所述磁间隙内。
优选的，每一所述骨架环绕围成第一让位空间；所述副磁钢包括间隔设置于所述主磁钢相对两侧的两个第一副磁钢以及间隔设置于所述主磁钢另外相对两侧的两个第二副磁钢，各所述第一副磁钢收容于与其同侧的所述第一让位空间内且与该侧的所述第二臂间隔设置；相邻的所述第一副磁钢与所述第二副磁钢间隔形成所述让位口。
优选的，每一所述骨架本体包括连接于所述第一臂的第一段以及由所述第一段相对两端分别向靠近磁路系统的方向弯折延伸的两个第二段，且该两个所述第二段分别连接于所述第一臂；同一所述骨架本体的两个所述第二段分别弯折延伸形成两个所述延伸壁，所述第一让位空间由同一所述骨架本体的所述第一段、两个所述第二段和两个所述延伸壁共同围成。
优选的，所述发声器件还包括盖设于所述盆架的上盖，所述上盖设有出声口，所述振膜与所述上盖共同围成前声腔，所述出声口将所述前声腔与外界连通；所述振膜与所述盆架共同围成所述发声内腔。
 有益效果
与相关技术相比，本实用新型的发声器件中，所述辅助振膜贴设于所述第二固定臂远离所述振膜的一侧，所述第一弹臂沿振动方向的投影落在所述辅助振膜的范围外；所述辅助振膜包括贴合于所述第一臂的第三固定部、贴合于所述第二臂并固定于所述盆架的第四固定部以及连接所述第三固定部和所述第四固定部且与所述第二弹臂相对间隔设置的折环部。该结构使所述第一弹臂设计在所述辅助振膜的外侧，使所述第一弹臂的设计自由度大，且可靠性更高，从而提高了发声器件的可靠性。
 附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本实用新型发声器件的立体结构示意图；
图2为本实用新型发声器件的立体结构分解示意图；
图3为本实用新型发声器件的部分立体结构示意图；
图4为本实用新型发声器件的发声单体的部分立体结构装配示意图；
图5为沿图1中A-A线剖视图。
 本发明的实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
请同时参阅图1-5所示，本实用新型提供了一种发声器件100，其包括盆架1、支撑于所述盆架1的振动系统2以及驱动所述振动系统2振动发声的磁路系统3，所述磁路系统3具有磁间隙。
所述振动系统2包括振膜21、插设于所述磁间隙以驱动所述振膜21振动发声的音圈22以及固定于所述盆架1并与所述音圈22连接的弹性件支撑组件23。
所述弹性支撑组件23包括弹性件231和辅助振膜232。
具体的，所述弹性件231包括连接于所述盆架1的第一固定臂2311、与所述第一固定臂2311间隔设置的第二固定臂2312以及连接所述第一固定臂2311和所述第二固定臂2312的第一弹臂2313，所述第二固定臂2312与所述音圈22连接；所述第二固定臂2312包括与所述第一固定臂2311间隔相对设置且连接于所述第一弹臂2313的第一臂23121、位于所述第一臂23121远离所述第一固定臂2311一侧且与所述第一臂23121间隔设置的第二臂23122以及连接所述第二臂23122和所述第一壁23121的第二弹臂23123。
在本实施方式中，所述辅助振膜232贴设于所述第二固定臂2312远离所述振膜21的一侧，所述第一弹臂2313沿振动方向的投影落在所述辅助振膜232的范围外。所述辅助振膜232包括贴合于所述第一臂23121的第三固定部2321、贴合于所述第二臂23122并固定于所述盆架1的第四固定部2322以及连接所述第三固定部2321和所述第四固定部2322且与所述第二弹臂23123相对间隔设置的折环部2323。该结构使所述第一弹臂设计在所述辅助振膜的外侧，使所述第一弹臂2123的设计自由度大，且可靠性更高，从而提高了发声器件100的可靠性。
所述振动系统2还包括骨架24，所述骨架24包括支撑于所述第二固定臂2312靠近所述振膜21一侧且连接于所述振膜21的骨架本体241以及由所述骨架本体241向靠近所述磁路系统3的方向弯折延伸的延伸壁242，所述延伸壁242延伸至所述磁间隙内并与所述音圈22连接，所述音圈22通过所述骨架24与所述第二固定臂2312连接。
值得一提的是，弹性件231和骨架24的数量是不限的，其可以根据实际情况进行设置，比如，在本实施方式中，所述弹性件231包括两个且相互间隔设置，所述骨架24包括两个且分别连接于两个所述弹性件231，每一所述骨架24的所述骨架本体241靠近所述磁路系统3的相对两端分别弯折延伸形成两个所述延伸壁242。
更优的，每一所述骨架24环绕围成第一让位空间，每一所述骨架本体241包括连接于所述第一臂23121的第一段2411以及由所述第一段2411相对两端分别向靠近磁路系统3的方向弯折延伸的两个第二段2412，且该两个所述第二段2412分别连接于所述第一臂23121；同一所述骨架本体241的两个所述第二段2412分别弯折延伸形成两个所述延伸壁242，所述第一让位空间由同一所述骨架本体241的所述第一段2411、两个所述第二段2412和两个所述延伸壁242共同围成。
进一步的，所述音圈22的结构形式是不限的，其可以根据实际情况进行选择，比如，在本实施方式中所述音圈22呈带圆角的矩形结构，四个所述延伸壁242分别固定连接于所述音圈22的四个圆角的位置。
所述磁路系统3包括固定于所述盆架1远离所述振膜21一侧的磁轭31、固定于所述磁轭31的主磁钢32以及固定于所述磁轭31并与所述主磁钢32间隔形成所述磁间隙的副磁钢33，所述副磁钢开设有让位口，所述延伸壁242经所述让位口延伸至所述磁间隙内。
所述副磁钢33的数量和具体的位置设置是不限的，比如，在本实施方式中；所述副磁钢33包括间隔设置于所述主磁钢32相对两侧的两个第一副磁钢331以及间隔设置于所述主磁钢32另外相对两侧的两个第二副磁钢332，各所述第一副磁钢331收容于与其同侧的所述第一让位空间内且与该侧的所述第二臂23122间隔设置；相邻的所述第一副磁钢331与所述第二副磁钢332间隔形成所述让位口。
所述发声器件100还包括盖设于所述盆架1的上盖4，所述上盖4设有出声口，所述振膜21与所述上盖4共同围成前声腔，所述出声口将所述前声腔与外界连通；所述振膜21与所述盆架1共同围成所述发声内腔。
值得一提的是，所述上盖4和所述盆架1可为一体结构，也可以为分体结构，可根据不同的情况设置。
与相关技术相比，本实用新型的发声器件中，所述辅助振膜贴设于所述第二固定臂远离所述振膜的一侧，所述第一弹臂沿振动方向的投影落在所述辅助振膜的范围外；所述辅助振膜包括贴合于所述第一臂的第三固定部、贴合于所述第二臂并固定于所述盆架的第四固定部以及连接所述第三固定部和所述第四固定部且与所述第二弹臂相对间隔设置的折环部。该结构使所述第一弹臂设计在所述辅助振膜的外侧，使所述第一弹臂的设计自由度大，且可靠性更高，从而提高了发声器件的可靠性。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (10)

  1. 一种发声器件，其包括盆架、支撑于所述盆架的振动系统以及驱动所述振动系统振动发声的磁路系统，所述磁路系统具有磁间隙；所述振动系统包括振膜、插设于所述磁间隙以驱动所述振膜振动发声的音圈以及固定于所述盆架并与所述音圈连接的弹性件支撑组件，其特征在于，所述弹性支撑组件包括:
    弹性件，所述弹性件包括连接于所述盆架的第一固定臂、与所述第一固定臂间隔设置的第二固定臂以及连接所述第一固定臂和所述第二固定臂的第一弹臂，所述第二固定臂与所述音圈连接；以及，
    辅助振膜，所述辅助振膜贴设于所述第二固定臂远离所述振膜的一侧，所述第一弹臂沿振动方向的投影落在所述辅助振膜的范围外。
  2. 根据权利要求1所述的发声器件，其特征在于，所述第二固定臂包括与所述第一固定臂间隔相对设置且连接于所述第一弹臂的第一臂、位于所述第一臂远离所述第一固定臂一侧且与所述第一臂间隔设置的第二臂以及连接所述第二臂和所述第一臂的第二弹臂。
  3. 根据权利要求2所述的发声器件，其特征在于，所述振动系统还包括骨架，所述骨架包括支撑于所述第二固定臂靠近所述振膜一侧且连接于所述振膜的骨架本体以及由所述骨架本体向靠近所述磁路系统的方向弯折延伸的延伸壁，所述延伸壁延伸至所述磁间隙内并与所述音圈连接，所述音圈通过所述骨架与所述第二固定臂连接。
  4. 根据权利要求2所述的发声器件，其特征在于，所述辅助振膜包括贴合于所述第一臂的第三固定部、贴合于所述第二臂并固定于所述盆架的第四固定部以及连接所述第三固定部和所述第四固定部且与所述第二弹臂相对间隔设置的折环部。
  5. 根据权利要求3所述的发声器件，其特征在于，所述弹性件包括两个且相互间隔设置，所述骨架包括两个且分别连接于两个所述弹性件，每一所述骨架的所述骨架本体靠近所述磁路系统的相对两端分别弯折延伸形成两个所述延伸壁。
  6. 根据权利要求5所述的发声器件，其特征在于，所述音圈呈带圆角的矩形结构，四个所述延伸壁分别固定连接于所述音圈的四个圆角的位置。
  7. 根据权利要求5所述的发声器件，其特征在于，所述磁路系统包括固定于所述盆架远离所述振膜一侧的磁轭、固定于所述磁轭的主磁钢以及固定于所述磁轭并与所述主磁钢间隔形成所述磁间隙的副磁钢，所述副磁钢开设有让位口，所述延伸壁经所述让位口延伸至所述磁间隙内。
  8. 根据权利要求7所述的发声器件，其特征在于，每一所述骨架环绕围成第一让位空间；所述副磁钢包括间隔设置于所述主磁钢相对两侧的两个第一副磁钢以及间隔设置于所述主磁钢另外相对两侧的两个第二副磁钢，各所述第一副磁钢收容于与其同侧的所述第一让位空间内且与该侧的所述第二臂间隔设置；相邻的所述第一副磁钢与所述第二副磁钢间隔形成所述让位口。
  9. 根据权利要求8所述的发声器件，其特征在于，每一所述骨架本体包括连接于所述第一臂的第一段以及由所述第一段相对两端分别向靠近磁路系统的方向弯折延伸的两个第二段，且该两个所述第二段分别连接于所述第一臂；同一所述骨架本体的两个所述第二段分别弯折延伸形成两个所述延伸壁，所述第一让位空间由同一所述骨架本体的所述第一段、两个所述第二段和两个所述延伸壁共同围成。
  10. 根据权利要求1所述的发声器件，其特征在于，所述发声器件还包括盖设于所述盆架的上盖，所述上盖设有出声口，所述振膜与所述上盖共同围成前声腔，所述出声口将所述前声腔与外界连通；所述振膜与所述盆架共同围成所述发声内腔。
PCT/CN2019/129402 2019-12-27 2019-12-27 发声器件 WO2021128331A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/129402 WO2021128331A1 (zh) 2019-12-27 2019-12-27 发声器件

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/129402 WO2021128331A1 (zh) 2019-12-27 2019-12-27 发声器件

Publications (1)

Publication Number Publication Date
WO2021128331A1 true WO2021128331A1 (zh) 2021-07-01

Family

ID=76575095

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/129402 WO2021128331A1 (zh) 2019-12-27 2019-12-27 发声器件

Country Status (1)

Country Link
WO (1) WO2021128331A1 (zh)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348370A (zh) * 2018-09-30 2019-02-15 瑞声科技(新加坡)有限公司 发声器件
CN109348373A (zh) * 2018-09-30 2019-02-15 瑞声科技(新加坡)有限公司 发声器件
CN109362002A (zh) * 2018-09-30 2019-02-19 瑞声科技(新加坡)有限公司 发声器件
CN208924467U (zh) * 2018-09-30 2019-05-31 瑞声科技(新加坡)有限公司 发声器件

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109348370A (zh) * 2018-09-30 2019-02-15 瑞声科技(新加坡)有限公司 发声器件
CN109348373A (zh) * 2018-09-30 2019-02-15 瑞声科技(新加坡)有限公司 发声器件
CN109362002A (zh) * 2018-09-30 2019-02-19 瑞声科技(新加坡)有限公司 发声器件
CN208924467U (zh) * 2018-09-30 2019-05-31 瑞声科技(新加坡)有限公司 发声器件

Similar Documents

Publication Publication Date Title
WO2021000082A1 (zh) 发声器件
WO2020228341A1 (zh) 发声器件
CN111405431B (zh) 发声器件及其扬声器箱
WO2021174574A1 (zh) 发声器件
WO2020140544A1 (zh) 发声器件
WO2021258439A1 (zh) 发声器件
WO2020134346A1 (zh) 发声器件
WO2020134345A1 (zh) 发声器件
US11765512B2 (en) Acoustic device
WO2022110431A1 (zh) 发声器件
WO2021223255A1 (zh) 发声器件
WO2021109189A1 (zh) 发声器件
WO2020134344A1 (zh) 发声器件
WO2020134356A1 (zh) 扬声器
WO2020029643A1 (zh) 扬声器
WO2021128331A1 (zh) 发声器件
WO2022007165A1 (zh) 发声器件
WO2021253534A1 (zh) 发声器件
WO2022110450A1 (zh) 发声器件
WO2021114122A1 (zh) 发声器件
WO2022067988A1 (zh) 发声器件
WO2022110461A1 (zh) 发声器件
WO2021114211A1 (zh) 发声器件
CN211959523U (zh) 发声器件
WO2021114278A1 (zh) 发声器件

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: 19957910

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: 19957910

Country of ref document: EP

Kind code of ref document: A1