WO2021114070A1 - Earphone core and earphone - Google Patents

Earphone core and earphone Download PDF

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Publication number
WO2021114070A1
WO2021114070A1 PCT/CN2019/124243 CN2019124243W WO2021114070A1 WO 2021114070 A1 WO2021114070 A1 WO 2021114070A1 CN 2019124243 W CN2019124243 W CN 2019124243W WO 2021114070 A1 WO2021114070 A1 WO 2021114070A1
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WO
WIPO (PCT)
Prior art keywords
extension
earphone
notch
vibration
diaphragm
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PCT/CN2019/124243
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French (fr)
Chinese (zh)
Inventor
董献杰
张龙
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
Priority to PCT/CN2019/124243 priority Critical patent/WO2021114070A1/en
Publication of WO2021114070A1 publication Critical patent/WO2021114070A1/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
    • H04R1/10Earpieces; Attachments therefor ; Earphones; Monophonic headphones
    • 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

Abstract

Provided by the present application are an earphone core and an earphone. The earphone core comprises: a basin frame, a vibration system, and a magnetic circuit system. The basin frame comprises a main body part fixedly connected to the vibration system and an extension part that is bent and stretched from the main body part toward the vibration system. The magnetic circuit system comprises a magnetic bowl fixed on the extension part. The vibration system comprises a diaphragm fixed on the main body part and a voice coil fixed on the side of the diaphragm close to the magnetic circuit system. The earphone core further comprises a flexible circuit board electrically connected to the voice coil. The flexible circuit board comprises a first fixing part fixed to the voice coil, a second fixing part fixed to the basin frame, and a pad part formed extending from the first fixing part to the second fixing part. The orthographic projection of the pad part along the vibration direction of the diaphragm at least partially overlaps with the extension part. The extension part is provided with a welding gap corresponding to the pad part. The present technical solution solves the problems in the prior art in which the outer shape of the magnetic circuit needs to shrink in order to meet a spot welding space, and thus the magnetic circuit system cannot be maximized and the earphone performance is reduced.

Description

一种耳机芯及耳机Earphone core and earphone 技术领域Technical field
本实用新型涉及电声换能的技术领域,尤其涉及一种耳机芯及耳机。The utility model relates to the technical field of electroacoustic energy conversion, in particular to an earphone core and earphones.
背景技术Background technique
近年来随着移动通信技术的快速发展,消费者越来越多地使用带有语音功能的移动通讯设备,而耳机也成为了人们日常活动工作中必不可少的视听设备之一,人们不但要求其外观小巧精细,佩戴方便,更加要求其音质好,有立体感。在现有技术中,因在磁碗外圈设置一圈挡墙,在保证点焊头能伸下去的前提下,磁路外形需要内缩,从而会导致磁路系统的尺寸无法最大化、导致性能降低。In recent years, with the rapid development of mobile communication technology, consumers are increasingly using mobile communication devices with voice functions, and earphones have become one of the indispensable audio-visual equipment in people’s daily activities and work. People not only require Its appearance is small and exquisite, easy to wear, and it is required to have good sound quality and three-dimensional effect. In the prior art, due to the setting of a retaining wall on the outer ring of the magnetic bowl, the shape of the magnetic circuit needs to be retracted under the premise that the spot welding head can be extended, which will cause the size of the magnetic circuit system to be unable to be maximized, resulting in performance reduce.
因此,有必要提供一种耳机芯。Therefore, it is necessary to provide a headphone core.
技术问题technical problem
本实用新型的目的在于提供一种耳机芯及耳机,以解决现有技术中磁路外形需要内缩才能满足点焊空间,进而出现的磁路系统无法最大化、耳机性能降低的问题。The purpose of the utility model is to provide an earphone core and earphones, so as to solve the problem that the magnetic circuit shape needs to be retracted in order to satisfy the spot welding space in the prior art, and the magnetic circuit system cannot be maximized and the earphone performance is reduced.
技术解决方案Technical solutions
本实用新型的技术方案如下:The technical scheme of the utility model is as follows:
一种耳机芯,包括:具有收容空间的盆架、收容于所述收容空间中的振动系统以及用于驱动所述振动系统发声的磁路系统;所述盆架包括与所述振动系统固定连接的主体部以及自所述主体部朝向所述振动系统弯折延伸的延伸部,所述磁路系统包括固持在所述延伸部上的磁碗,所述振动系统包括固持在所述主体部上的振膜和固定于所述振膜靠近所述磁路系统一侧音圈,所述耳机芯还包括与所述音圈电连接的柔性电路板,所述柔性电路板包括与所述音圈固定的第一固定部、与所述盆架固定的第二固定部以及自所述第一固定部朝向所述第二固定部延伸形成的焊盘部,所述焊盘部沿所述振膜振动方向的正投影至少部分与所述延伸部重合,所述延伸部开设有与所述焊盘部对应的焊接缺口。A headphone core includes: a basin frame with a containing space, a vibration system contained in the containing space, and a magnetic circuit system for driving the vibration system to emit sound; the basin frame includes a fixed connection with the vibration system The main body part and the extension part bent and extended from the main part toward the vibration system, the magnetic circuit system includes a magnetic bowl held on the extension part, and the vibration system includes a magnetic bowl held on the main part The diaphragm and the voice coil fixed on the side of the diaphragm close to the magnetic circuit system, the earphone core also includes a flexible circuit board electrically connected to the voice coil, and the flexible circuit board includes the voice coil A fixed first fixing portion, a second fixing portion fixed to the basin frame, and a land portion extending from the first fixing portion toward the second fixing portion, the land portion being along the diaphragm The orthographic projection of the vibration direction at least partially overlaps the extension portion, and the extension portion is provided with a welding notch corresponding to the pad portion.
进一步地,所述盆架还包括自所述延伸部远离所述振膜一侧向远离所述振膜方向延伸的挡墙,所述挡墙环绕所述磁碗并与所述磁碗间隔设置,所述挡墙上设有与所述焊接缺口对应的避让缺口。Further, the basin frame further includes a retaining wall extending from a side of the extension portion away from the diaphragm in a direction away from the diaphragm, and the retaining wall surrounds the magnetic bowl and is spaced apart from the magnetic bowl. , The retaining wall is provided with an avoidance notch corresponding to the welding notch.
进一步地,所述耳机芯还包括用于覆盖所述避让缺口的透气阻尼件。Further, the earphone core further includes a breathable damping member for covering the avoidance gap.
进一步地,所述延伸部还包括设于所述延伸部远离所述磁碗一侧的泄漏孔,所述透气阻尼件包括用于覆盖所述泄漏孔的第一盖合部和用于覆盖所述避让缺口的第二盖合部,所述第二盖合部自所述第一盖合部延伸至所述避让缺口内覆盖所述焊接缺口。Further, the extension portion further includes a leakage hole provided on a side of the extension portion away from the magnetic bowl, and the breathable damping member includes a first cover portion for covering the leakage hole and a first covering portion for covering the leakage hole. The second covering portion of the avoiding gap, the second covering portion extends from the first covering portion to the avoiding gap to cover the welding gap.
进一步地,所述避让缺口的底面与所述延伸部的表面齐平。Further, the bottom surface of the avoidance notch is flush with the surface of the extension part.
进一步地,所述磁碗的周壁开设有定位槽,所述延伸部朝向所述磁碗延伸形成与所述定位槽相配合的定位凸台,所述定位凸台分设在所述避让缺口的两侧。Further, the peripheral wall of the magnetic bowl is provided with a positioning groove, and the extension portion extends toward the magnetic bowl to form a positioning boss that matches the positioning groove, and the positioning boss is separately provided on two sides of the avoiding notch. side.
进一步地,所述定位凸台的周侧面与所述避让缺口的内壁面相接。Further, the peripheral side surface of the positioning boss is in contact with the inner wall surface of the avoiding notch.
进一步地,所述定位凸台的上表面高于所述避让缺口的槽底面,所述避让缺口的底面与所述定位凸台的周侧面垂直相接。Further, the upper surface of the positioning boss is higher than the bottom surface of the groove of the avoiding notch, and the bottom surface of the avoiding notch is perpendicular to the peripheral side of the positioning boss.
进一步地,所述焊接缺口呈U型结构设置,所述焊接缺口的对称轴线与所述焊盘部的对称轴线重合。Further, the welding notch is arranged in a U-shaped structure, and the symmetry axis of the welding notch coincides with the symmetry axis of the land portion.
进一步地,一种耳机,所述耳机包括前所述的耳机芯。Further, a headset includes the aforementioned headset core.
有益效果Beneficial effect
本实用新型的有益效果在于:焊盘部沿振膜振动方向的投影至少部分与延伸部重合,通过在延伸部开设与焊盘部对应的焊接缺口来增大点焊空间,以解决点焊空间不足的问题,从而保证点焊头能伸进去对焊盘部进行点焊。通过运用本技术方案,在保证点焊空间足够的情况下,一方面可以通过延伸部固定防护磁路系统,另一方面可以使磁路系统的尺寸最大化,保证耳机的音频性能。运用本技术方案解决了现有技术中磁路外形需要内缩才能满足点焊空间,进而出现的磁路系统无法最大化、耳机性能降低的问题。The beneficial effect of the utility model is that the projection of the pad portion along the vibration direction of the diaphragm at least partially overlaps with the extension portion, and the spot welding space is increased by opening a welding gap corresponding to the pad portion in the extension portion to solve the spot welding space. The problem of insufficient, so as to ensure that the spot welding head can reach in and perform spot welding on the pad part. By using this technical solution, while ensuring sufficient spot welding space, on the one hand, the protective magnetic circuit system can be fixed by the extension part, and on the other hand, the size of the magnetic circuit system can be maximized to ensure the audio performance of the earphone. The use of this technical solution solves the problem that the shape of the magnetic circuit in the prior art needs to be retracted in order to meet the spot welding space, and the problem that the magnetic circuit system cannot be maximized and the performance of the earphone is reduced.
附图说明Description of the drawings
图1为本实用新型实施例中一种耳机芯的整体结构示意图;Figure 1 is a schematic diagram of the overall structure of an earphone core in an embodiment of the utility model;
图2为图1的分解结构示意图;Fig. 2 is a schematic diagram of an exploded structure of Fig. 1;
图3为盆架的结构示意图;Figure 3 is a schematic diagram of the structure of the basin frame;
图4为柔性电路板的结构示意图;Figure 4 is a schematic diagram of the structure of a flexible circuit board;
图5为图1中A-A方向的剖视图;Fig. 5 is a cross-sectional view in the direction of A-A in Fig. 1;
图6为图5中B处的局部放大图。Fig. 6 is a partial enlarged view of B in Fig. 5.
本发明的实施方式Embodiments of the present invention
需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本实用新型。It should be noted that the embodiments in the application and the features in the embodiments can be combined with each other if there is no conflict. Hereinafter, the present utility model will be described in detail with reference to the drawings and the embodiments.
应该指出,以下详细说明都是例示性的,旨在对本申请提供进一步的说明。除非另有指明,本文使用的所有技术和科学术语具有与本申请所属技术领域的普通技术人员通常理解的相同含义。It should be pointed out that the following detailed descriptions are all illustrative and are intended to provide further explanations for the application. Unless otherwise indicated, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this application belongs.
需要注意的是,这里所使用的术语仅是为了描述具体实施方式,而非意图限制根据本申请的示例性实施方式。如在这里所使用的,除非上下文另外明确指出,否则单数形式也意图包括复数形式,此外,还应当理解的是,当在本说明书中使用术语“包含”和/或“包括”时,其指明存在特征、步骤、操作、器件、组件和/或它们的组合。It should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should also be understood that when the terms "comprising" and/or "including" are used in this specification, they indicate There are features, steps, operations, devices, components, and/or combinations thereof.
下面结合附图和实施方式对本实用新型作进一步说明。The present utility model will be further explained below in conjunction with the drawings and embodiments.
参见图1-图6,一种耳机芯,包括:具有收容空间10a的盆架10、收容于收容空间10a中的振动系统30以及用于驱动振动系统30发声的磁路系统20;盆架10包括与振动系统30固定连接的主体部11以及自主体部11朝向振动系统30弯折延伸的延伸部12;磁路系统20包括固持在延伸部12上的磁碗21,振动系统30包括固持在主体部11上的振膜31和固定于振膜31靠近磁路系统20一侧音圈32,耳机芯还包括柔性电路板50,柔性电路板50包括与音圈32固定的第一固定部51、与盆架10固定的第二固定部52以及自第一固定部51朝向第二固定部52延伸形成的焊盘部53,焊盘部53沿振膜31振动方向的正投影至少部分与延伸部12重合,延伸部12上开设有与焊盘部53对应的焊接缺口121。Referring to Figures 1 to 6, an earphone core includes: a basin frame 10 with a receiving space 10a, a vibration system 30 accommodated in the receiving space 10a, and a magnetic circuit system 20 for driving the vibration system 30 to produce sound; the basin frame 10 It includes a main body portion 11 fixedly connected to the vibration system 30 and an extension portion 12 bent and extended from the main body portion 11 toward the vibration system 30; the magnetic circuit system 20 includes a magnetic bowl 21 fixed on the extension portion 12, and the vibration system 30 includes The diaphragm 31 on the main body 11 and the voice coil 32 fixed on the diaphragm 31 close to the magnetic circuit system 20. The earphone core also includes a flexible circuit board 50. The flexible circuit board 50 includes a first fixing portion 51 fixed to the voice coil 32 , The second fixing portion 52 fixed to the basin frame 10 and the land portion 53 extending from the first fixing portion 51 toward the second fixing portion 52, and the orthographic projection of the land portion 53 along the vibration direction of the diaphragm 31 is at least partially and extended The portions 12 overlap, and the extension portion 12 is provided with a welding notch 121 corresponding to the land portion 53.
在本技术方案中,焊盘部53沿振膜31振动方向的投影至少部分与延伸部12重合,通过在延伸部12开设与焊盘部53对应的焊接缺口121来增大点焊空间,以解决点焊空间不足的问题,从而保证点焊头能伸进去对焊盘部53进行点焊。通过运用本技术方案,在保证点焊空间足够的情况下,一方面可以通过延伸部12以固定防护磁路系统20,另一方面可以使磁路系统20的尺寸最大化,保证耳机的音频性能。即运用本技术方案解决了现有技术中磁路外形需要内缩才能满足点焊空间,进而出现的磁路系统20无法最大化、耳机性能降低的问题。In the present technical solution, the projection of the pad portion 53 along the vibration direction of the diaphragm 31 at least partially overlaps the extension portion 12. The extension portion 12 is provided with a welding notch 121 corresponding to the pad portion 53 to increase the spot welding space. Solve the problem of insufficient spot welding space, so as to ensure that the spot welding head can reach in and perform spot welding on the land portion 53. By using this technical solution, while ensuring sufficient spot welding space, on the one hand, the protective magnetic circuit system 20 can be fixed through the extension 12, and on the other hand, the size of the magnetic circuit system 20 can be maximized to ensure the audio performance of the headset. . That is to say, the use of this technical solution solves the problem that the magnetic circuit shape in the prior art needs to be retracted to meet the spot welding space, and then the problem that the magnetic circuit system 20 cannot be maximized and the performance of the earphone is reduced.
参见图3,盆架10还包括自延伸部12远离振膜31一侧向远离振膜31方向延伸的挡墙13,挡墙13环绕磁碗21并与磁碗21间隔设置,挡墙13上设有与焊接缺口121对应的避让缺口131。通过在挡墙13开设与焊接缺口121对应的避让缺口131,为点焊的外部操作提供足够空间。3, the basin frame 10 further includes a retaining wall 13 extending from the side of the extension portion 12 away from the diaphragm 31 in a direction away from the diaphragm 31. The retaining wall 13 surrounds the magnetic bowl 21 and is spaced apart from the magnetic bowl 21, on the retaining wall 13 An avoidance notch 131 corresponding to the welding notch 121 is provided. By opening the avoidance notch 131 corresponding to the welding notch 121 in the retaining wall 13, sufficient space is provided for the external operation of the spot welding.
优选地,耳机芯还包括用于覆盖避让缺口121的透气阻尼件40,以保证耳机芯正常工作,确保其声学性能。Preferably, the earphone core further includes a breathable damping member 40 for covering the avoidance gap 121 to ensure the normal operation of the earphone core and its acoustic performance.
进一步地,延伸部12还包括设于延伸部12远离磁碗21一侧的泄漏孔122,透气阻尼件40包括用于覆盖泄漏孔122的第一盖合部41和用于覆盖避让缺口131的第二盖合部42,第二盖合部42自第一盖合部41延伸至避让缺口131内覆盖焊接缺口121,具体参见图6。在本实施例中,延伸部12上开设有泄漏孔122,泄漏孔122起到维持耳机芯发声腔体内外气压平衡的作用,而透气阻尼件40则包括用于覆盖泄漏孔122的第一盖合部41和用于覆盖焊接缺口121的第二盖合部42,以保证扬声器的声学性能。Further, the extension portion 12 further includes a leakage hole 122 provided on the side of the extension portion 12 away from the magnetic bowl 21, and the air-permeable damping member 40 includes a first cover portion 41 for covering the leakage hole 122 and a first cover portion 41 for covering the avoidance gap 131 The second covering portion 42 extends from the first covering portion 41 to the avoiding notch 131 to cover the welding notch 121, see FIG. 6 for details. In this embodiment, the extension portion 12 is provided with a leakage hole 122, the leakage hole 122 plays a role in maintaining the air pressure balance inside and outside the sound cavity of the earphone core, and the breathable damping member 40 includes a first cover for covering the leakage hole 122 The joint 41 and the second cover 42 for covering the welding notch 121 are used to ensure the acoustic performance of the speaker.
优选地,避让缺口131的底面与延伸部12的表面齐平,从而不仅可以减小透气阻尼件40的用料,还可以保证第二盖合部41对焊接缺口121的盖合作用。Preferably, the bottom surface of the avoidance notch 131 is flush with the surface of the extension portion 12, so as not only to reduce the material of the breathable damping member 40, but also to ensure the cooperation of the second covering portion 41 with the welding notch 121.
参见图2及图3,磁路系统20包括磁碗21和磁体组件22,磁体组件22包括依次收容于磁碗21中的第一磁钢221、极芯223以及第二磁钢222;磁碗21的周壁开设有定位槽211,延伸部12朝向磁碗21延伸形成与定位槽211相配合的定位凸台123,磁碗21通过定位槽211卡接在定位凸台123上实现整个磁路系统20与盆架10的固定。而定位凸台123分设在焊接缺口121的两侧,初步限定点焊的操作范围。优选地,定位凸台123的周侧面与焊接缺口121的内壁面相接,使得焊接缺口121形成的点焊空间相对焊盘部53更加明确,既保证了点焊空间足够,也对点焊操作的范围进行了进一步限制。2 and 3, the magnetic circuit system 20 includes a magnetic bowl 21 and a magnet assembly 22. The magnet assembly 22 includes a first magnetic steel 221, a pole core 223, and a second magnetic steel 222 that are sequentially housed in the magnetic bowl 21; The peripheral wall of 21 is provided with a positioning groove 211, and the extension 12 extends toward the magnetic bowl 21 to form a positioning boss 123 that matches with the positioning groove 211. The magnetic bowl 21 is clamped on the positioning boss 123 through the positioning groove 211 to realize the entire magnetic circuit system. 20 and the fixing of the basin frame 10. The positioning bosses 123 are separately provided on both sides of the welding notch 121 to preliminarily limit the operating range of spot welding. Preferably, the peripheral side surface of the positioning boss 123 is connected to the inner wall surface of the welding notch 121, so that the spot welding space formed by the welding notch 121 is more clear with respect to the land portion 53, which not only ensures sufficient spot welding space, but also supports spot welding operations. The scope is further restricted.
进一步地,具体参见图3、图5及图6,定位凸台123的上表面高于避让缺口131的底面,避让缺口131的底面与定位凸台123的周侧面垂直相接。一方面,当磁碗21抵接在定位凸台123上时,一部分的焊接缺口121由磁碗21进行覆盖,另一部分的焊接缺口121由透气阻尼件40进行覆盖;另一方面,定位凸台123的上表面高于避让缺口131的槽底面,可以对透气阻尼件40进行位置限制。Further, referring specifically to FIGS. 3, 5 and 6, the upper surface of the positioning boss 123 is higher than the bottom surface of the avoiding notch 131, and the bottom surface of the avoiding notch 131 is perpendicular to the peripheral side of the positioning boss 123. On the one hand, when the magnetic bowl 21 abuts on the positioning boss 123, a part of the welding notch 121 is covered by the magnetic bowl 21, and the other part of the welding notch 121 is covered by the breathable damping member 40; on the other hand, the positioning boss The upper surface of 123 is higher than the bottom surface of the groove of the avoiding notch 131, and the position of the breathable damping member 40 can be restricted.
优选地,焊接缺口121呈U型结构设置,焊接缺口121的对称轴线与焊盘部53的对称轴线重合。焊接缺口121的空间位置相对焊盘部53进行合理设置,使得焊盘部53可以位于焊接缺口121所形成的点焊空间的中部,方便后序点焊工作的顺利进行。Preferably, the welding notch 121 is arranged in a U-shaped structure, and the symmetry axis of the welding notch 121 coincides with the symmetry axis of the land portion 53. The spatial position of the welding notch 121 is reasonably set relative to the land portion 53 so that the land portion 53 can be located in the middle of the spot welding space formed by the welding notch 121, which facilitates the subsequent spot welding work to proceed smoothly.
进一步地,延伸部11在焊接缺口121的两侧均设置有泄漏孔122,两个泄漏孔122以焊接缺口121的对称轴线为中心线相对间隔设置。泄漏孔122起到维持耳机芯发声腔体内外气压平衡的作用,将泄漏孔122以焊接缺口121的对称轴线为中心线相对间隔设置在焊接缺口121的两侧,既可以保证泄漏孔122在盆架10主体上均匀设置,同时保持焊接缺口121所在位置处的盆架10的主体稳固性,进而保证整个耳机芯的结构稳定性。Further, the extension portion 11 is provided with leakage holes 122 on both sides of the welding notch 121, and the two leakage holes 122 are relatively spaced with respect to the center line of the symmetry axis of the welding notch 121. The leakage hole 122 plays a role in maintaining the balance of the internal and external air pressure in the sound cavity of the earphone core. The leakage hole 122 is arranged on both sides of the welding notch 121 at a relative interval with the symmetry axis of the welding notch 121 as the center line, which can ensure that the leakage hole 122 is in the basin. The frame 10 is uniformly arranged on the main body, while maintaining the stability of the main body of the basin frame 10 at the position of the welding notch 121, thereby ensuring the structural stability of the entire earphone core.
本实施例还提供了一种耳机,该耳机包括如前述的耳机芯,该耳机芯通过在延伸部12开设焊接缺口121来增大点焊空间,并对焊接缺口121的形状、空间位置进行设置,方便点焊工作的进行,在完成点焊后再通过透气阻尼件40的第二盖合部42对焊接缺口121进行覆盖,有效解决了磁路外形需要内缩才能满足点焊空间,进而出现的磁路系统20无法最大化、耳机性能降低的问题,因此该耳机的音质性能也得到了提高,满足了人们对耳机日渐提高的性能要求。This embodiment also provides an earphone. The earphone includes the earphone core as described above. The earphone core increases the spot welding space by opening a welding notch 121 in the extension part 12, and sets the shape and spatial position of the welding notch 121 , To facilitate the spot welding work. After the spot welding is completed, the welding gap 121 is covered by the second cover portion 42 of the breathable damping member 40, which effectively solves the need for the magnetic circuit to shrink in order to meet the spot welding space. The magnetic circuit system 20 cannot be maximized and the performance of the earphone is reduced. Therefore, the sound quality performance of the earphone has also been improved, which meets people's increasing performance requirements for earphones.
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。The above are only the embodiments of the present utility model. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present utility model, but these all belong to the present utility model. New scope of protection.

Claims (10)

  1. 一种耳机芯,包括:具有收容空间的盆架、收容于所述收容空间中的振动系统以及用于驱动所述振动系统发声的磁路系统;所述盆架包括与所述振动系统固定连接的主体部以及自所述主体部朝向所述振动系统弯折延伸的延伸部,所述磁路系统包括固持在所述延伸部上的磁碗,所述振动系统包括固持在所述主体部上的振膜和固定于所述振膜靠近所述磁路系统一侧音圈,其特征在于,所述耳机芯还包括与所述音圈电连接的柔性电路板,所述柔性电路板包括与所述音圈固定的第一固定部、与所述盆架固定的第二固定部以及自所述第一固定部朝向所述第二固定部延伸形成的焊盘部,所述焊盘部沿所述振膜振动方向的正投影至少部分与所述延伸部重合,所述延伸部开设有与所述焊盘部对应的焊接缺口。A headphone core includes: a basin frame with a containing space, a vibration system contained in the containing space, and a magnetic circuit system for driving the vibration system to emit sound; the basin frame includes a fixed connection with the vibration system The main body part and the extension part bent and extended from the main part toward the vibration system, the magnetic circuit system includes a magnetic bowl held on the extension part, and the vibration system includes a magnetic bowl held on the main part The diaphragm and the voice coil fixed on the side of the diaphragm close to the magnetic circuit system, wherein the earphone core further includes a flexible circuit board electrically connected to the voice coil, and the flexible circuit board includes The first fixing portion to which the voice coil is fixed, the second fixing portion to be fixed to the frame, and the land portion extending from the first fixing portion toward the second fixing portion, and the land portion along The orthographic projection of the vibration direction of the diaphragm at least partially overlaps the extension portion, and the extension portion is provided with a welding notch corresponding to the pad portion.
  2. 根据权利要求1所述的耳机芯,其特征在于,所述盆架还包括自所述延伸部远离所述振膜一侧向远离所述振膜方向延伸的挡墙,所述挡墙环绕所述磁碗并与所述磁碗间隔设置,所述挡墙上设有与所述焊接缺口对应的避让缺口。The earphone core according to claim 1, wherein the frame further comprises a retaining wall extending from a side of the extension part away from the diaphragm in a direction away from the diaphragm, and the retaining wall surrounds the diaphragm. The magnetic bowl is spaced apart from the magnetic bowl, and the retaining wall is provided with an escape notch corresponding to the welding notch.
  3. 根据权利要求2所述的耳机芯,其特征在于,所述耳机芯还包括用于覆盖所述避让缺口的透气阻尼件。The earphone core according to claim 2, wherein the earphone core further comprises an air-permeable damping member for covering the avoidance gap.
  4. 根据权利要求3所述的耳机芯,其特征在于,所述延伸部还包括设于所述延伸部远离所述磁碗一侧的泄漏孔,所述透气阻尼件包括用于覆盖所述泄漏孔的第一盖合部和用于覆盖所述避让缺口的第二盖合部,所述第二盖合部自所述第一盖合部延伸至所述避让缺口内覆盖所述焊接缺口。The earphone core according to claim 3, wherein the extension portion further comprises a leakage hole provided on a side of the extension portion away from the magnetic bowl, and the air-permeable damping member includes a leakage hole for covering the leakage hole. The first covering portion and the second covering portion for covering the avoiding gap, the second covering portion extends from the first covering portion to the avoiding gap to cover the welding gap.
  5. 根据权利要求4所述的耳机芯,其特征在于,所述避让缺口的底面与所述延伸部的表面齐平。The earphone core according to claim 4, wherein the bottom surface of the avoiding notch is flush with the surface of the extension part.
  6. 根据权利要求2-5中任一项所述的耳机芯,其特征在于,所述磁碗的周壁开设有定位槽,所述延伸部朝向所述磁碗延伸形成与所述定位槽相配合的定位凸台,所述定位凸台分设在所述焊接缺口的两侧。The earphone core according to any one of claims 2-5, wherein the peripheral wall of the magnetic bowl is provided with a positioning groove, and the extension portion extends toward the magnetic bowl to form a matching groove with the positioning groove. The positioning bosses are separately arranged on both sides of the welding gap.
  7. 根据权利要求6所述的耳机芯,其特征在于,所述定位凸台的周侧面与所述焊接缺口的内壁面相接。The earphone core according to claim 6, wherein the peripheral side surface of the positioning boss is in contact with the inner wall surface of the welding notch.
  8. 根据权利要求7所述的耳机芯,其特征在于,所述定位凸台的上表面高于所述避让缺口的底面,所述避让缺口的底面与所述定位凸台的周侧面垂直相接。 The earphone core according to claim 7, wherein the upper surface of the positioning boss is higher than the bottom surface of the avoiding notch, and the bottom surface of the avoiding notch is perpendicular to the peripheral side of the positioning boss.
  9. 根据权利要求1所述的耳机芯,其特征在于,所述焊接缺口呈U型结构设置,所述焊接缺口的对称轴线与所述焊盘部的对称轴线重合。 The earphone core according to claim 1, wherein the welding notch is arranged in a U-shaped structure, and the symmetry axis of the welding notch coincides with the symmetry axis of the pad portion.
  10. 一种耳机,其特征在于,所述耳机包括如权利要求1-9中任一项所述的耳机芯。 An earphone, characterized in that the earphone comprises the earphone core according to any one of claims 1-9.
PCT/CN2019/124243 2019-12-10 2019-12-10 Earphone core and earphone WO2021114070A1 (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202103832U (en) * 2011-05-31 2012-01-04 常州美欧电子有限公司 Sounding device
CN209390360U (en) * 2018-12-31 2019-09-13 瑞声科技(新加坡)有限公司 Earphone core
CN209526841U (en) * 2018-12-30 2019-10-22 瑞声科技(新加坡)有限公司 Loudspeaker and earphone
CN209526873U (en) * 2018-12-30 2019-10-22 瑞声科技(新加坡)有限公司 Loudspeaker
CN210986376U (en) * 2019-12-10 2020-07-10 瑞声科技(新加坡)有限公司 Earphone core and earphone

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202103832U (en) * 2011-05-31 2012-01-04 常州美欧电子有限公司 Sounding device
CN209526841U (en) * 2018-12-30 2019-10-22 瑞声科技(新加坡)有限公司 Loudspeaker and earphone
CN209526873U (en) * 2018-12-30 2019-10-22 瑞声科技(新加坡)有限公司 Loudspeaker
CN209390360U (en) * 2018-12-31 2019-09-13 瑞声科技(新加坡)有限公司 Earphone core
CN210986376U (en) * 2019-12-10 2020-07-10 瑞声科技(新加坡)有限公司 Earphone core and earphone

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