WO2018103308A1 - 一种扬声器 - Google Patents

一种扬声器 Download PDF

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Publication number
WO2018103308A1
WO2018103308A1 PCT/CN2017/090095 CN2017090095W WO2018103308A1 WO 2018103308 A1 WO2018103308 A1 WO 2018103308A1 CN 2017090095 W CN2017090095 W CN 2017090095W WO 2018103308 A1 WO2018103308 A1 WO 2018103308A1
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WO
WIPO (PCT)
Prior art keywords
cone
folding ring
diaphragm
outer edge
connecting portion
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PCT/CN2017/090095
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English (en)
French (fr)
Inventor
文章峰
李志�
强寿松
杨健斌
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歌尔丹拿音响有限公司
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Application filed by 歌尔丹拿音响有限公司 filed Critical 歌尔丹拿音响有限公司
Publication of WO2018103308A1 publication Critical patent/WO2018103308A1/zh

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

Definitions

  • the present invention relates to electroacoustic conversion technology and, more particularly, to a speaker.
  • the speaker is also called "horn". It is a common electro-acoustic transducing device. It is usually used as the sound source of the speaker. It is the last level of sound reproduction, and its quality plays a decisive role in the restoration of sound.
  • A-A' is its axial direction, the upper view is a side view, and the lower view is a top view.
  • the washer 400, the magnet 500 and the T-iron 600 cooperate to form a magnetic gap, and constitute a magnetic circuit system fixedly connected to the basin frame 300.
  • the voice coil 100 is suspended in the magnetic gap; the top of the cone-shaped diaphragm is covered with a dust cover 700; the cone-shaped diaphragm, the voice coil 100, the elastic wave 200, and the dust cover 700 are connected by glue bonding or the like. Together, the vibration system that makes up the speaker.
  • the cone-shaped diaphragm is formed by bonding the cone 1 and the folding ring 2.
  • the cone 1 is provided with an opening in the middle, and the folding ring 2 is annular.
  • the folding ring 2 includes a connecting portion 21 and a folding ring body 22 in order from the inside to the outside. And the outer edge 23 of the folding ring, the outer edge 23 of the folding ring is connected with the basin frame 300, and the connecting portion 21 is fixedly connected to the upper surface of the outer edge of the cone 1.
  • the inner edge of the cone 1 is fixedly connected with the voice coil 100.
  • the vibration system of the speaker should be repeatedly moved in the axial direction.
  • the outer edge of the diaphragm has been bonded and fixed to the basin frame, as the time increases, the speaker will still have a radial direction. The movement affects the sound quality and life of the speaker.
  • FIG. 10 is a schematic diagram of a frequency response curve of a cone-type speaker, wherein curve a is a frequency response curve of a prior art cone-type speaker.
  • curve a is a frequency response curve of a prior art cone-type speaker.
  • the prior art cone-type speaker High-frequency resonance peaks appear in the frequency range of 1000hz to 10000hz. This type of peak value will greatly affect the sound quality of the speaker, and the concert in this part is particularly harsh.
  • a speaker comprising a vibration system, a magnetic circuit system, and a support system; the vibration system comprising a voice coil and a diaphragm; an outer edge of the diaphragm being fixed to the support system
  • the outer edge of the diaphragm is provided with a concave structure or a protruding structure;
  • the support system is provided with a protruding structure that cooperates with the concave structure of the diaphragm or a concave structure that cooperates with the protruding structure of the diaphragm,
  • the diaphragm is positioned.
  • the support system includes a basin frame, an outer edge of the diaphragm is fixed to an upper surface of the basin frame; and the basin frame is provided with the protruding structure or the structure that cooperates with the concave structure of the diaphragm A recessed structure that cooperates with the protruding structure of the diaphragm is described.
  • the protruding direction of the protruding structure of the diaphragm faces away from the center of the diaphragm.
  • the diaphragm includes a cone and a folding ring, and the folding ring is annular;
  • the folding ring includes, in order from the inside to the outside, a connecting portion, a folding ring main body, and a folding outer edge;
  • the connecting portion includes An annular structure on the outer side and two additional structures on the inner side;
  • the connecting portion of the folding ring is fixedly connected to the upper surface of the outer edge of the cone; wherein the quality of one additional structure is relatively large and relatively close to the center of the cone
  • the quality of the other additional structure is relatively small and relatively far from the center of the cone, the additional mass being relatively large and the additional structure being closer to the center of the cone is located on the side opposite the lead of the voice coil, said mass being relatively small and at a distance
  • the additional structure at the center of the cone is located on the lead side of the voice coil.
  • the diaphragm comprises a cone and a folding ring, the folding ring is annular; the folding ring comprises, in order from the inside to the outside, a connecting portion, a folding ring main body, and an outer edge of the folding ring; the cone includes a cone body and two additional structures; a connecting portion of the folding ring fixedly coupled to an upper surface of an outer edge of the cone body; the additional structure being in the form of a sheet having an upper surface and an outer surface of the cone body The lower surface of the edge fits, the quality of one of the additional structures is relatively large and relatively close to the center of the cone, the quality of the other additional structure is relatively small and relatively far from the center of the cone; the mass is relatively large and compared to the center of the cone
  • the near additional structure is located on the side opposite the lead of the voice coil, the additional structure of relatively small mass and relatively far from the center of the cone being located on the lead side of the voice coil.
  • the diaphragm includes a cone and a folding ring, and the folding ring is annular;
  • the folding ring includes, in order from the inside to the outside, a connecting portion, a folding ring main body, and an outer edge of the folding ring; a connecting portion fixedly coupled to an upper surface of the outer edge of the cone;
  • the connecting portion includes an endless belt surrounded by a first region and a second region, the first region and the second region to the cone Center of the basin The distance is the same and the density of the first region is greater than the density of the second region; the first region is located on the side opposite the lead of the voice coil.
  • the speaker provided by the present invention can limit the movement of the diaphragm in the radial direction of the speaker, thereby improving the sound quality of the speaker.
  • FIG. 2 is a schematic structural view of a speaker according to a first embodiment of the present invention.
  • Fig. 5 is a partially enlarged schematic view of Fig. 4;
  • FIG. 6 is a schematic structural view of a speaker according to a third embodiment of the present invention.
  • FIG. 7 is a schematic structural diagram of a speaker according to a fourth embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of a speaker according to a fifth embodiment of the present invention.
  • FIG. 9 is a schematic structural view of a speaker according to a sixth embodiment of the present invention.
  • Figure 10 is a schematic diagram of the frequency response curve of a cone-type speaker.
  • FIG. 2 is a schematic structural view of a speaker according to a first embodiment of the present invention
  • FIG. 3 is a partially enlarged schematic view of FIG.
  • the speaker includes a vibration system, a magnetic circuit system, and a support system.
  • the support system includes a basin frame 300.
  • the vibration system includes a cone diaphragm and a voice coil 100.
  • the cone-shaped diaphragm is formed by bonding the cone 1 and the folding ring 2, and an opening is arranged in the middle of the cone 1.
  • the folding ring 2 includes a connecting portion 21, a folding ring main body 22, and an outer edge 23 of the folding ring from the inside to the outside. .
  • the outer edge 23 of the folding ring is connected to the basin frame 300, and the connecting portion 21 is fixedly connected to the upper surface of the outer edge of the cone 1.
  • the inner edge of the cone 1 is fixedly connected to the voice coil 100.
  • a positioning post 302 is disposed on the basin frame 300.
  • the outer edge 23 of the folding ring is provided with a positioning hole 232 that cooperates with the positioning post 302.
  • the positioning post 302 passes through the positioning hole 232 to position the diaphragm.
  • the lead 101 of the voice coil 100 is connected to the voice coil lead take-up device.
  • the outer edge of the diaphragm is fixed on the support system, the outer edge of the diaphragm is provided with a recessed structure, and the support system is provided with a protruding structure that cooperates with the concave structure of the diaphragm to position the diaphragm;
  • the support system includes a basin frame, an outer edge of the diaphragm is fixed to an upper surface of the basin frame, and the basin frame is provided with the protruding structure that cooperates with the concave structure of the diaphragm;
  • the concave direction of the concave structure of the diaphragm faces the center of the diaphragm.
  • the outer edge of the diaphragm is fixed on the support system, the outer edge of the diaphragm is provided with a protruding structure, and the support system is provided with a recessed structure that cooperates with the protruding structure of the diaphragm to position the diaphragm;
  • the support system includes a basin frame, the outer edge of the diaphragm The upper surface of the basin frame is fixed, and the basin frame is provided with the concave structure that cooperates with the protruding structure of the diaphragm; in one embodiment, the protruding direction of the diaphragm protrudes away from the center of the diaphragm.
  • the outer edge of the diaphragm is fixed on the support system, the outer edge of the diaphragm is provided with a positioning post, and the support system is provided with a positioning hole or a positioning groove that cooperates with the positioning post, and the positioning post passes through the positioning hole or wears Positioning the positioning groove to position the diaphragm;
  • the support system includes a basin frame, an outer edge of the diaphragm is fixed to an upper surface of the basin frame, and the basin frame is provided with the Positioning holes or positioning grooves that match the positioning post.
  • FIG. 4 is a schematic structural view of a speaker according to a second embodiment of the present invention
  • FIG. 5 is a partially enlarged schematic view of FIG. 4.
  • the cone-shaped speaker diaphragm comprises a cone 1 and a folding ring 2, and an opening is provided in the middle of the cone 1 and the folding ring 2 is annular.
  • the folding ring 2 includes a connecting portion 21, a folding ring main body 22, and a folded outer edge 23 in order from the inside to the outside.
  • the connecting portion 21 of the folding ring 2 includes an annular structure 211 on the outer side and an additional structure 212 on the inner side.
  • the connecting portion 21 of the folding ring 2 can be fixedly attached to the upper surface of the outer edge of the cone 1 by bonding or the like, and the outer edge 23 of the folding ring 2 is connected to the basin frame.
  • An additional structure 212 is provided at a position of the connecting portion 21 of the folding ring 2, the additional structure 212 increases the structural strength of the outer edge of the cone 1 at this position, and the vibrational displacement of the outer edge of the cone 1 at the additional structure 212 is significantly
  • the other positions of the outer edge of the cone 1 are different, and the resonance state of the outer edge of the cone 1 at a specific frequency is changed.
  • the speaker is broken due to the destruction of the ring resonance at the outer edge of the cone 1.
  • the high-frequency resonance peak has a certain degree of suppression (frequency response curve d) compared to the conventional design.
  • the folding ring 2 can be an integrally formed structure.
  • the thickness of the annular structure 211 and the additional structure 212 may be the same; the connecting portion 21 may have a uniform thickness.
  • the additional structure 212 can be curved, with the outer arc of the additional structure 212 being connected to the inner arc of the annular structure 211.
  • the additional structure 212 needs to be located on the side opposite to the lead of the voice coil, it is necessary to position the diaphragm when the diaphragm is mounted such that the position of the additional structure 212 is aligned with the voice coil.
  • the opposite side of the lead wire, so the above recessed/protruding structure also facilitates the installation of the speaker diaphragm.
  • the additional structure 212 may be two, wherein the quality of one additional structure 212 is relatively large and relatively close to the center of the cone 1 , and the quality of the other additional structure 212 is relatively small and the distance cone The center of 1 is relatively far.
  • the additional structure 212 is relatively large in mass and relatively close to the center of the cone 1 on the side opposite the lead of the voice coil, the additional structure 212 which is relatively small in mass and relatively far from the center of the cone 1 is located in the voice coil.
  • the side of the lead This method can also improve the imbalance of the speaker vibration system caused by the lead of the voice coil and the solder, glue, etc., thereby improving the nonlinearity of the speaker vibration system and reducing the distortion of the speaker.
  • FIG. 6 is a schematic structural view of a speaker according to a third embodiment of the present invention.
  • the structure of the third embodiment is similar to that of the second embodiment, the main difference being that, in the second embodiment, the position of the recess/projection structure is located directly opposite the lead of the voice coil, and in the third embodiment, the recess/ The protruding structure can be located at other locations.
  • the regions of different densities are disposed at the connecting portion 21 of the folding ring 2, and the distance between the first region 213 and the second region 215 to the center of the cone 1 is the same, and the cone 1 is reinforced.
  • the structural strength of the outer edge at the first region 213, the vibrational displacement of the outer edge of the cone 1 at the first region 213 is significantly different from the second region 215, changing the outer edge of the cone 1 at a particular frequency
  • the resonance state causes the high-frequency resonance peak of the speaker to be suppressed to some extent (frequency response curve d) compared to the conventional design due to the destruction of the ring resonance at the outer edge of the cone 1.
  • the folded ring 2 may be an integrally formed structure, and the thickness of the first region 213 and the second region 215 may be the same.
  • the specific position of the basin frame 300 is provided with a protruding structure 301.
  • the outer edge 23 of the folding ring 1 is provided with a concave structure 231 at a specific position to cooperate with the protruding structure 301, and the cooperation between the two is realized.
  • the positioning of the diaphragm on the basin frame solves the problem that the diaphragm in the existing speaker structure can be rotated at any angle on the basin frame.
  • a recessed structure may be provided at a specific position of the basin frame 300.
  • the outer edge 23 of the folding ring 1 is provided with a protruding structure at a specific position to cooperate with the concave structure, and two can also be realized. The cooperation of the person to achieve the positioning of the diaphragm on the basin frame.
  • the cone-shaped speaker diaphragm includes a cone 1 and a folding ring 2. An opening is provided in the middle of the cone 1 and the folding ring 2 is annular.
  • the folding ring 2 includes a connecting portion 21, a folding ring main body 22, and a folded outer edge 23 in order from the inside to the outside.
  • the cone 1 comprises a cone body 11 and an additional structure 12.
  • the connecting portion 21 of the folding ring 2 is fixedly coupled to the upper surface of the outer edge of the cone body 11.
  • the additional structure 12 of the cone 1 is in the form of a sheet, and the upper surface of the additional structure 12 is in contact with the lower surface of the outer edge of the cone body 11.
  • the outer edge 23 of the folding ring 2 is connected to the basin frame.
  • An additional structure 12 is provided at a position of the outer edge of the cone 1 , the additional structure 12 increases the thickness of the outer edge of the cone 1 at this position, enhancing the structural strength of the outer edge of the cone 1 at this position, the cone 1
  • the outer edge of the vibration at the additional structure 12 is significantly different from the other positions of the outer edge of the cone 1, changing the resonance state of the outer edge of the cone 1 at a specific frequency, as shown in Fig. 10, due to destruction
  • the ring resonance at the outer edge of the cone 1 causes the high-frequency resonance peak of the speaker to be suppressed to some extent (frequency response curve d) compared to the conventional design.
  • the additional structure 12 can be designed in conjunction with the lead of the voice coil 100, the lead 101 of the voice coil 100 being connected to the voice coil lead take-up device 800, the additional structure 12 being located on the side opposite the lead 101 of the voice coil 100 for improving the voice coil
  • the additional structure 12 needs to be located on the side opposite to the lead of the voice coil, it is necessary to position the diaphragm when the diaphragm is mounted such that the position of the additional structure 212 is aligned with the voice coil.
  • the opposite side of the lead wire, so the above recessed/protruding structure also facilitates the installation of the speaker diaphragm.
  • the additional structure 12 may be two, wherein the weight of one additional structure 12 is relatively large and relatively close to the center of the cone 1 , and the quality of the other additional structure 12 is relatively small and the distance cone The center of 1 is relatively far.
  • the additional structure 12 which is relatively large in mass and relatively close to the center of the cone 1 is located on the side opposite the lead of the voice coil, the additional mass 12 which is relatively small in mass and relatively far from the center of the cone 1 is located in the voice coil.
  • the side of the lead This method can also improve the imbalance of the speaker vibration system caused by the lead of the voice coil and the solder, glue, etc., thereby improving the nonlinearity of the speaker vibration system and reducing the distortion of the speaker.
  • FIG. 9 is a schematic structural view of a speaker according to a sixth embodiment of the present invention.
  • the cone-shaped speaker diaphragm comprises a cone 1 and a folding ring 2, and an opening is provided in the middle of the cone 1 and the folding ring 2 is annular.
  • the folding ring 2 includes a connecting portion 21, a folding ring main body 22, and a folded outer edge 23 in order from the inside to the outside.
  • the connecting portion 21 of the folding ring 2 is fixedly coupled to the upper surface of the outer edge of the cone 1.
  • the outer edge of the cone 1 comprises an annulus surrounded by a first region 13 and a second region 14, the first region 13 and the second region 14 being at the same distance from the center of the cone 1 and of the first region 13
  • the density is greater than the density of the second region 14.
  • the regions of different densities are disposed at the outer edge of the cone 1 , and the distance between the first region 13 and the second region 14 at the center of the cone 1 is the same, reinforcing the cone 1
  • the structural strength of the outer edge at the first region 13, the vibrational displacement of the outer edge of the cone 1 at the first region 13 is significantly different from that of the second region 14, altering the resonance at the outer edge of the cone 1 at a particular frequency State, see Figure 10, see Figure 10, due to the destruction of the cone 1
  • the ring resonance at the edge makes the high-frequency resonance peak of the speaker a certain degree of suppression (frequency response curve d) compared to the conventional design.
  • the density of the first region 13 of the outer edge of the cone 1 is greater than the density of the second region 14, and may be achieved by applying a treatment agent such as glue at the first region 13, or adding a material such as glass fiber, or in a cone. More material is placed at the first region during molding and a greater pressure is applied to the first region such that the density at the first region after molding is greater than the second region.
  • the first region 13 can be designed in conjunction with the lead of the voice coil 100, the lead 101 of the voice coil 100 being connected to the voice coil lead take-up device 800, the first region 13 being located on the side opposite the lead 101 of the voice coil 100 for improving
  • the cone 1 may be an integrally formed structure, and the thickness of the first region 13 and the second region 14 may be the same.
  • the first region 13 may be curved, and in one embodiment, the outer arc of the first region 13 coincides with the curvature of the outer edge of the cone 1.
  • the first region 13 needs to be located on the side opposite to the lead of the voice coil, when the diaphragm is mounted, the diaphragm needs to be positioned such that the position of the first region 13 is aligned with The opposite side of the lead of the voice coil, so the above recessed/protruding structure also facilitates the installation of the speaker diaphragm.

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

Abstract

本发明公开了扬声器，所述扬声器包括振动系统、磁路系统、和支撑系统；所述振动系统包括音圈和振膜；所述振膜的外边缘固定在所述支撑系统上；所述振膜的外边缘设有凹陷结构或突出结构；所述支撑系统设有与所述振膜的凹陷结构配合的突出结构或者与所述振膜的突出结构配合的凹陷结构，以对所述振膜进行定位。本发明的扬声器能够实现对振膜的定位。

Description

一种扬声器 技术领域
本发明涉及电声转换技术，更具体地，涉及一种扬声器。
背景技术
扬声器又称“喇叭”，是一种常见的电声换能器件，通常作为音箱的发声源使用，是声音重放的最后一关，其好坏对声音的还原起着决定性的作用。
锥盆式扬声器的部分结构参见图1所示，A-A’为其轴向，上图为侧视图，下图为俯视图。华司400、磁铁500和T铁600配合形成磁间隙，构成与盆架300固定连接的磁路系统。音圈100悬置于磁间隙内；锥盆式振膜的上方盖有防尘罩700；锥盆式振膜、音圈100、弹波200、以及防尘罩700通过胶水粘接等方式连接在一起，组成扬声器的振动系统。锥盆式振膜由锥盆1和折环2粘接而成，锥盆1的中间设置有开口，折环2为环形，折环2从内向外依次包括连接部21、折环主体22、以及折环外边缘23，折环外边缘23与盆架300连接，连接部21固定连接于锥盆1的外边缘的上表面，锥盆1的内边缘与音圈100固定连接。
理想状态中扬声器的振动系统应当是沿轴向方向反复移动，在现有技术中，虽然振膜的外边缘已经与盆架粘接固定，但是随着时日的增长，扬声器还是会出现径向的移动，影响了扬声器的音质和使用寿命。
图10为锥盆式扬声器的频响曲线示意图，其中曲线a为现有技术中的锥盆式扬声器的频响曲线，从频响曲线a中可以看出，现有技术中的锥盆式扬声器在1000hz到10000hz的频率区间内会出现高频谐振峰，这种类型的峰值会极大的影响扬声器的音质，在此部分的音乐会特别刺耳。
发明内容
本发明的一个目的是提供一种扬声器，能够限制振膜在扬声器径向方向上的移动。能够改善扬声器的音质。
根据发明的第一方面，提供了一种扬声器，包括振动系统、磁路系统、和支撑系统；所述振动系统包括音圈和振膜；所述振膜的外边缘固定在所述支撑系统上；所述振膜的外边缘设有凹陷结构或突出结构；所述支撑系统设有与所述振膜的凹陷结构配合的突出结构或者与所述振膜的突出结构配合的凹陷结构，以对所述振膜进行定位。
可选地，所述支撑系统包括盆架，所述振膜的外边缘固定于所述盆架的上表面；所述盆架设有所述与所述振膜的凹陷结构配合的突出结构或者所述与所述振膜的突出结构配合的凹陷结构。
可选地，所述振膜的凹陷结构的凹陷方向朝向所述振膜的中心。
可选地，所述振膜的突出结构的突出方向背离所述振膜的中心。
根据发明的第二方面，提供了一种扬声器，包括振动系统、磁路系统、和支撑系统；所述振动系统包括音圈和振膜；所述振膜的外边缘固定在所述支撑系统上；所述支撑系统设有定位柱，所述振膜的外边缘设有与所述定位柱配合的定位孔，所述定位柱穿过所述定位孔。
根据发明的第三方面，提供了一种扬声器，包括振动系统、磁路系统、和支撑系统；所述振动系统包括音圈和振膜；所述振膜的外边缘固定在所述支撑系统上；所述振膜的外边缘设有定位柱，所述支撑系统设有与所述定位柱配合的定位孔或定位槽，所述定位柱穿过所述定位孔或穿入所述定位槽。
可选地，所述振膜包括锥盆和折环，所述折环为环形；所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述连接部包括位于外侧的环形结构和位于内侧的一个附加结构；所述折环的连接部固定连接于所述锥盆的外边缘的上表面；所述附加结构位于与音圈的引线相对的一侧。
可选地，所述振膜包括锥盆和折环，所述折环为环形；所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述锥盆包括锥盆 主体和一个附加结构；所述折环的连接部固定连接于所述锥盆主体的外边缘的上表面；所述附加结构为片状，其上表面与所述锥盆主体的外边缘的下表面贴合；所述附加结构位于与音圈的引线相对的一侧。
可选地，所述振膜包括锥盆和折环，所述折环为环形；所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述连接部包括位于外侧的环形结构和位于内侧的两个附加结构；所述折环的连接部固定连接于所述锥盆的外边缘的上表面；其中一个附加结构的质量比较大并且距离锥盆中心比较近，另一个附加结构的质量比较小并且距离锥盆中心比较远，所述质量比较大并且距离锥盆中心比较近的附加结构位于与音圈的引线相对的一侧，所述质量比较小并且距离锥盆中心比较远的附加结构位于音圈的引线一侧。
可选地，所述振膜包括锥盆和折环，所述折环为环形；所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述锥盆包括锥盆主体和两个附加结构；所述折环的连接部固定连接于所述锥盆主体的外边缘的上表面；所述附加结构为片状，其上表面与所述锥盆主体的外边缘的下表面贴合，其中一个附加结构的质量比较大并且距离锥盆中心比较近，另一个附加结构的质量比较小并且距离锥盆中心比较远；所述质量比较大并且距离锥盆中心比较近的附加结构位于与音圈的引线相对的一侧，所述质量比较小并且距离锥盆中心比较远的附加结构位于音圈的引线一侧。
可选地，所述振膜包括锥盆和折环，所述折环为环形；所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述折环的连接部固定连接于所述锥盆的外边缘的上表面；所述锥盆的外边缘包括由一个第一区域和一个第二区域围成的环带，所述第一区域和所述第二区域到锥盆中心处的距离相同并且所述第一区域的密度大于所述第二区域的密度；所述第一区域位于与音圈的引线相对的一侧
可选地，所述振膜包括锥盆和折环，所述折环为环形；所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述折环的连接部固定连接于所述锥盆的外边缘的上表面；所述连接部包括由一个第一区域和一个第二区域围成的环带，所述第一区域和所述第二区域到锥盆中心处 的距离相同并且所述第一区域的密度大于所述第二区域的密度；所述第一区域位于与音圈的引线相对的一侧。
本发明提供的扬声器，能够限制振膜在扬声器径向方向上的移动，从而改善扬声器的音质。
通过以下参照附图对本发明的示例性实施例的详细描述，本发明的其它特征及其优点将会变得清楚。
附图说明
被结合在说明书中并构成说明书的一部分的附图示出了本发明的实施例，并且连同其说明一起用于解释本发明的原理。
图1是现有技术中的扬声器的结构示意图。
图2是本发明第一实施例提供的扬声器的结构示意图。
图3是图2的局部放大示意图。
图4是本发明第二实施例提供的扬声器的结构示意图。
图5是图4的局部放大示意图。
图6是本发明第三实施例提供的扬声器的结构示意图。
图7是本发明第四实施例提供的扬声器的结构示意图。
图8是本发明第五实施例提供的扬声器的结构示意图。
图9是本发明第六实施例提供的扬声器的结构示意图。
图10是锥盆式扬声器的频响曲线示意图。
具体实施方式
现在将参照附图来详细描述本发明的各种示例性实施例。应注意到：除非另外具体说明，否则在这些实施例中阐述的部件和步骤的相对布置、数字表达式和数值不限制本发明的范围。
以下对至少一个示例性实施例的描述实际上仅仅是说明性的，决不作为对本发明及其应用或使用的任何限制。
对于相关领域普通技术人员已知的技术、方法和设备可能不作详细讨论，但在适当情况下，所述技术、方法和设备应当被视为说明书的一部分。
在这里示出和讨论的所有例子中，任何具体值应被解释为仅仅是示例性的，而不是作为限制。因此，示例性实施例的其它例子可以具有不同的值。
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步讨论。
参见图2-图9说明本发明的扬声器的第一至第六实施例，这些实施例的振动系统和磁路系统的相对关系与图1类似，类似的部分不再进行重复说明，重点介绍其与现有技术的区别。
<第一实施例>
图2是本发明第一实施例提供的扬声器的结构示意图，图3是图2的局部放大示意图。
扬声器包括振动系统、磁路系统、和支撑系统。支撑系统包括盆架300。振动系统包括锥盆式振膜和音圈100。锥盆式振膜由锥盆1和折环2粘接而成，锥盆1的中间设置有开口，折环2从内向外依次包括连接部21、折环主体22、以及折环外边缘23。折环外边缘23与盆架300连接，连接部21固定连接于锥盆1的外边缘的上表面，锥盆1的内边缘与音圈100固定连接。盆架300上设有定位柱302，折环外边缘23设有与定位柱302配合的定位孔232，定位柱302穿过定位孔232以对振膜进行定位。音圈100的引线101连接至音圈引线引出装置。
在其它实施例中，振膜的外边缘固定在支撑系统上，振膜的外边缘设有凹陷结构，支撑系统设有与振膜的凹陷结构配合的突出结构，以对振膜进行定位；在一个实施例中，所述支撑系统包括盆架，所述振膜的外边缘固定于盆架的上表面，所述盆架设有所述与振膜的凹陷结构配合的突出结构；在一个实施例中，所述振膜的凹陷结构的凹陷方向朝向振膜的中心。
在其它实施例中，振膜的外边缘固定在支撑系统上，振膜的外边缘设有突出结构，支撑系统设有与振膜的突出结构配合的凹陷结构，以对振膜进行定位；在一个实施例中，所述支撑系统包括盆架，所述振膜的外边缘 固定于盆架的上表面，所述盆架设有所述与振膜的突出结构配合的凹陷结构；在一个实施例中，所述振膜的突出结构的突出方向背离振膜的中心。
在其它实施例中，振膜的外边缘固定在支撑系统上，振膜的外边缘设有定位柱，支撑系统设有与定位柱配合的定位孔或定位槽，定位柱穿过定位孔或穿入定位槽，以对所述振膜进行定位；在一个实施例中，所述支撑系统包括盆架，所述振膜的外边缘固定于盆架的上表面，所述盆架设有所述与定位柱配合的定位孔或定位槽。
<第二实施例>
图4是本发明第二实施例提供的扬声器的结构示意图，图5是图4的局部放大示意图。
锥盆式的扬声器振膜包括锥盆1和折环2，锥盆1的中间设置有开口，折环2为环形。折环2从内向外依次包括连接部21、折环主体22、以及折环外边缘23。折环2的连接部21包括位于外侧的环形结构211和位于内侧的一个附加结构212。折环2的连接部21可以通过粘接等方式固定连接于锥盆1的外边缘的上表面，折环2的折环外边缘23与盆架连接。
在折环2的连接部21的一个位置设置附加结构212，附加结构212增加了锥盆1的外边缘在该位置的结构强度，锥盆1的外边缘在附加结构212处的振动位移明显与锥盆1的外边缘的其他位置不同，改变了锥盆1的外边缘处在特定频率下的共振状态，参见图10所示，由于破坏了锥盆1的外边缘处的环形共振，使扬声器的高频谐振峰相较常规设计得到一定程度的抑制(频响曲线d)。
附加结构212可以结合音圈的引线来进行设计，音圈100的引线101连接至音圈引线引出装置800，附加结构212位于与音圈100的引线101相对的一侧，用以改善由于音圈的引线及焊锡、胶水等引起的扬声器振动系统的不平衡，从而改善扬声器振动系统的非线性，降低扬声器的失真。
折环2可以为一体成型结构。环形结构211和附加结构212的厚度可以相同；连接部21可以具有均匀的厚度。附加结构212可以为弧形，附加结构212的外弧和环形结构211的内弧连接。
盆架300的特定位置处设有一个突出结构301，折环1的折环外边缘23在特定位置处设有与突出结构301配合的凹陷结构231，通过这两者之间的配合，来实现振膜在盆架上的定位，从而解决现有扬声器结构中振膜在盆架上可以以任何的角度转动的问题。在另一个实施例中，也可以是盆架300的特定位置处设有一个凹陷结构，折环1的折环外边缘23在特定位置处设有与凹陷结构配合的突出结构，同样可以实现两者的配合，来达到振膜在盆架上的定位。
此外，由于在第二实施例中，需要让附加结构212位于与音圈的引线相对的一侧，因此在安装振膜时，需要对振膜进行定位使得附加结构212的位置对准与音圈的引线相对的一侧，因此上述凹陷/突出结构还方便了扬声器振膜的安装。
在其它的实施例中，附加结构212可以为两个，其中一个附加结构212的质量相对比较大并且距离锥盆1的中心相对比较近，另一个附加结构212的质量相对比较小并且距离锥盆1的中心相对比较远。质量相对比较大并且距离锥盆1的中心相对比较近的附加结构212位于与音圈的引线相对的一侧，质量相对比较小并且距离锥盆1的中心相对比较远的附加结构212位于音圈的引线一侧。这种方式也能够改善由于音圈的引线及焊锡、胶水等引起的扬声器振动系统的不平衡，，从而改善扬声器振动系统的非线性，降低扬声器的失真。
<第三实施例>
图6是本发明第三实施例提供的扬声器的结构示意图。第三实施例和第二实施例的结构类似，主要区别在于，在第二实施例中，凹陷/突出结构所处的位置位于音圈的引线的正对面，在第三实施例中，凹陷/突出结构可以位于其它位置。
<第四实施例>
图7是本发明第四实施例提供的扬声器的结构示意图。
锥盆式的扬声器振膜包括锥盆1和折环2，锥盆1的中间设置有开口， 折环2为环形。折环2从内向外依次包括连接部21、折环主体22、以及折环外边缘23。折环2的连接部21固定连接于锥盆1的外边缘的上表面。折环2的连接部21包括由一个第一区域213和一个第二区域215围成的环带，第一区域213和第二区域215到锥盆1的中心处的距离相同并且第一区域213的密度大于第二区域214的密度。
在折环2的连接部21设置不同密度的区域(第一区域213和第二区域215)，第一区域213和第二区域215到锥盆1的中心处的距离相同，增强了锥盆1的外边缘在第一区域213处的结构强度，锥盆1的外边缘在第一区域213处的振动位移明显与第二区域215不同，改变了锥盆1的外边缘处在特定频率下的共振状态，参见图10所示，由于破坏了锥盆1的外边缘处的环形共振，使扬声器的高频谐振峰相较常规设计得到一定程度的抑制(频响曲线d)。
折环2的连接部21的第一区域213的密度大于第二区域215的密度，可以通过在第一区域213处涂覆胶水等处理剂，或增加玻璃纤维等材料来实现，也可以在折环成型的时候在第一区域处放置更多的材料并且施加给第一区域更大的压力，使得成型后第一区域处的密度较第二区域更大。
第一区域213可以结合音圈的引线来进行设计，音圈100的引线101连接至音圈引线引出装置800，第一区域213位于与音圈100的引线101相对的一侧，用以改善由于音圈的引线及焊锡、胶水等引起的扬声器振动系统的不平衡，从而改善扬声器振动系统的非线性，降低扬声器的失真。
折环2可以为一体成型结构，第一区域213和第二区域215的厚度可以相同。
盆架300的特定位置设处有一个突出结构301，折环1的折环外边缘23在特定位置处设有与突出结构301配合的凹陷结构231，通过这两者之间的配合，来实现振膜在盆架上的定位，从而解决现有扬声器结构中振膜在盆架上可以以任何的角度转动的问题。在另一个实施例中，也可以是盆架300的特定位置处设有一个凹陷结构，折环1的折环外边缘23在特定位置处设有与凹陷结构配合的突出结构，同样可以实现两者的配合，来达到振膜在盆架上的定位。
此外，由于在第四实施例中，需要让第一区域213位于与音圈的引线相对的一侧，因此在安装振膜时，需要对振膜进行定位使得第一区域213的位置对准与音圈的引线相对的一侧，因此上述凹陷/突出结构还方便了扬声器振膜的安装。
<第五实施例>
图8是本发明第五实施例提供的扬声器的结构示意图。
锥盆式的扬声器振膜包括锥盆1和折环2。锥盆1的中间设置有开口，折环2为环形。折环2从内向外依次包括连接部21、折环主体22、以及折环外边缘23。锥盆1包括锥盆主体11和一个附加结构12。折环2的连接部21固定连接于锥盆主体11的外边缘的上表面。锥盆1的附加结构12为片状，附加结构12的上表面与锥盆主体11的外边缘的下表面贴合。折环2的折环外边缘23与盆架连接。
在锥盆1的外边缘的一个位置设置附加结构12，附加结构12增加了锥盆1的外边缘在该位置的厚度，增强了锥盆1的外边缘在该位置的结构强度，锥盆1的外边缘在附加结构12处的振动位移明显与锥盆1的外边缘的其他位置不同，改变了锥盆1的外边缘处在特定频率下的共振状态，参见图10所示，由于破坏了锥盆1的外边缘处的环形共振，使扬声器的高频谐振峰相较常规设计得到一定程度的抑制(频响曲线d)。
附加结构12可以结合音圈的引线来进行设计，音圈100的引线101连接至音圈引线引出装置800，附加结构12位于与音圈100的引线101相对的一侧，用以改善由于音圈的引线及焊锡、胶水等引起的扬声器振动系统的不平衡，从而改善扬声器振动系统的非线性，降低扬声器的失真。
锥盆1可以为一体成型结构。附加结构12可以为弧形，在一个实施例中，附加结构12的外弧和锥盆主体11的外边缘的弧度一致。
盆架300的特定位置处设有一个突出结构301，折环1的折环外边缘23在特定位置处设有与突出结构301配合的凹陷结构231，通过这两者之间的配合，来实现振膜在盆架上的定位，从而解决现有扬声器结构中振膜在盆架上可以以任何的角度转动的问题。在另一个实施例中，也可以是盆 架300的特定位置处设有一个凹陷结构，折环1的折环外边缘23在特定位置处设有与凹陷结构配合的突出结构，同样可以实现两者的配合，来达到振膜在盆架上的定位。
此外，由于在第五实施例中，需要让附加结构12位于与音圈的引线相对的一侧，因此在安装振膜时，需要对振膜进行定位使得附加结构212的位置对准与音圈的引线相对的一侧，因此上述凹陷/突出结构还方便了扬声器振膜的安装。
在其它的实施例中，附加结构12可以为两个，其中一个附加结构12的质量相对比较大并且距离锥盆1的中心相对比较近，另一个附加结构12的质量相对比较小并且距离锥盆1的中心相对比较远。质量相对比较大并且距离锥盆1的中心相对比较近的附加结构12位于与音圈的引线相对的一侧，质量相对比较小并且距离锥盆1的中心相对比较远的附加结构12位于音圈的引线一侧。这种方式也能够改善由于音圈的引线及焊锡、胶水等引起的扬声器振动系统的不平衡，，从而改善扬声器振动系统的非线性，降低扬声器的失真。
<第六实施例>
图9是本发明第六实施例提供的扬声器的结构示意图。
锥盆式的扬声器振膜包括锥盆1和折环2，锥盆1的中间设置有开口，折环2为环形。折环2从内向外依次包括连接部21、折环主体22、以及折环外边缘23。折环2的连接部21固定连接于锥盆1的外边缘的上表面。锥盆1的外边缘包括由一个第一区域13和一个第二区域14围成的环带，第一区域13和第二区域14到锥盆1的中心处的距离相同并且第一区域13的密度大于第二区域14的密度。
在锥盆1的外边缘设置不同密度的区域(第一区域13和第二区域14)，第一区域13和第二区域14到锥盆1的中心处的距离相同，增强了锥盆1的外边缘在第一区域13处的结构强度，锥盆1的外边缘在第一区域13处的振动位移明显与第二区域14不同，改变了锥盆1的外边缘处在特定频率下的共振状态，参见图10所示，参见图10所示，由于破坏了锥盆1的外 边缘处的环形共振，使扬声器的高频谐振峰相较常规设计得到一定程度的抑制(频响曲线d)。
锥盆1的外边缘的第一区域13的密度大于第二区域14的密度，可以通过在第一区域13处涂覆胶水等处理剂，或增加玻璃纤维等材料来实现，也可以在锥盆成型的时候在第一区域处放置更多的材料并且施加给第一区域更大的压力，使得成型后第一区域处的密度较第二区域更大。
第一区域13可以结合音圈的引线来进行设计，音圈100的引线101连接至音圈引线引出装置800，第一区域13位于与音圈100的引线101相对的一侧，用以改善由于音圈的引线及焊锡、胶水等引起的扬声器振动系统的不平衡，从而改善扬声器振动系统的非线性，降低扬声器的失真。
锥盆1可以为一体成型结构，第一区域13和第二区域14的厚度可以相同。第一区域13可以为弧形，在一个实施例中，第一区域13的外弧和锥盆1的外边缘的弧度一致。
盆架300的特定位置设处有一个突出结构301，折环1的折环外边缘23在特定位置处设有与突出结构301配合的凹陷结构231，通过这两者之间的配合，来实现振膜在盆架上的定位，从而解决现有扬声器结构中振膜在盆架上可以以任何的角度转动的问题。在另一个实施例中，也可以是盆架300的特定位置处设有一个凹陷结构，折环1的折环外边缘23在特定位置处设有与凹陷结构配合的突出结构，同样可以实现两者的配合，来达到振膜在盆架上的定位。
此外，由于在第四实施例中，需要让第一区域13位于与音圈的引线相对的一侧，因此在安装振膜时，需要对振膜进行定位使得第一区域13的位置对准与音圈的引线相对的一侧，因此上述凹陷/突出结构还方便了扬声器振膜的安装。
虽然已经通过例子对本发明的一些特定实施例进行了详细说明，但是本领域的技术人员应该理解，以上例子仅是为了进行说明，而不是为了限制本发明的范围。本领域的技术人员应该理解，可在不脱离本发明的范围和精神的情况下，对以上实施例进行修改。本发明的范围由所附权利要求来限定。

Claims (12)

  1. 一种扬声器，其特征在于，包括振动系统、磁路系统、和支撑系统；所述振动系统包括音圈和振膜；所述振膜的外边缘固定在所述支撑系统上；所述振膜的外边缘设有凹陷结构或突出结构；所述支撑系统设有与所述振膜的凹陷结构配合的突出结构或者与所述振膜的突出结构配合的凹陷结构，以对所述振膜进行定位。
  2. 根据权利要求1所述的扬声器，其特征在于，所述支撑系统包括盆架，所述振膜的外边缘固定于所述盆架的上表面；所述盆架设有所述与所述振膜的凹陷结构配合的突出结构或者所述与所述振膜的突出结构配合的凹陷结构。
  3. 根据权利要求2所述的扬声器，其特征在于，所述振膜的凹陷结构的凹陷方向朝向所述振膜的中心。
  4. 根据权利要求2所述的扬声器，其特征在于，所述振膜的突出结构的突出方向背离所述振膜的中心。
  5. 一种扬声器，其特征在于，包括振动系统、磁路系统、和支撑系统；所述振动系统包括音圈和振膜；所述振膜的外边缘固定在所述支撑系统上；所述支撑系统设有定位柱，所述振膜的外边缘设有与所述定位柱配合的定位孔，所述定位柱穿过所述定位孔。
  6. 一种扬声器，其特征在于，包括振动系统、磁路系统、和支撑系统；所述振动系统包括音圈和振膜；所述振膜的外边缘固定在所述支撑系统上；所述振膜的外边缘设有定位柱，所述支撑系统设有与所述定位柱配合的定位孔或定位槽，所述定位柱穿过所述定位孔或穿入所述定位槽。
  7. 根据权利要求1-6任一项所述的扬声器，其特征在于，所述振膜包括锥盆和折环，所述折环为环形；
    所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述连接部包括位于外侧的环形结构和位于内侧的一个附加结构；所述折环的连接部固定连接于所述锥盆的外边缘的上表面；所述附加结构位于与音圈的引线相对的一侧。
  8. 根据权利要求1-6任一项所述的扬声器，其特征在于，所述振膜包括锥盆和折环，所述折环为环形；
    所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述锥盆包括锥盆主体和一个附加结构；所述折环的连接部固定连接于所述锥盆主体的外边缘的上表面；所述附加结构为片状，其上表面与所述锥盆主体的外边缘的下表面贴合；所述附加结构位于与音圈的引线相对的一侧。
  9. 根据权利要求1-6任一项所述的扬声器，其特征在于，所述振膜包括锥盆和折环，所述折环为环形；
    所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述连接部包括位于外侧的环形结构和位于内侧的两个附加结构；所述折环的连接部固定连接于所述锥盆的外边缘的上表面；其中一个附加结构的质量比较大并且距离锥盆中心比较近，另一个附加结构的质量比较小并且距离锥盆中心比较远，所述质量比较大并且距离锥盆中心比较近的附加结构位于与音圈的引线相对的一侧，所述质量比较小并且距离锥盆中心比较远的附加结构位于音圈的引线一侧。
  10. 根据权利要求1-6任一项所述的扬声器，其特征在于，所述振膜包括锥盆和折环，所述折环为环形；
    所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述锥盆包括锥盆主体和两个附加结构；所述折环的连接部固定连接于所述锥盆主体的外边缘的上表面；所述附加结构为片状，其上表面与所述锥盆主体的外边缘的下表面贴合，其中一个附加结构的质量比较大并且距离锥盆中心比较近，另一个附加结构的质量比较小并且距离锥盆中心比较远；所述质量比较大并且距离锥盆中心比较近的附加结构位于与音圈的引线相对的一侧，所述质量比较小并且距离锥盆中心比较远的附加结构位于音圈的引线一侧。
  11. 根据权利要求1-6任一项所述的扬声器，其特征在于，所述振膜包括锥盆和折环，所述折环为环形；
    所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘； 所述折环的连接部固定连接于所述锥盆的外边缘的上表面；所述锥盆的外边缘包括由一个第一区域和一个第二区域围成的环带，所述第一区域和所述第二区域到锥盆中心处的距离相同并且所述第一区域的密度大于所述第二区域的密度；所述第一区域位于与音圈的引线相对的一侧。
  12. 根据权利要求1-6任一项所述的扬声器，其特征在于，所述振膜包括锥盆和折环，所述折环为环形；
    所述折环从内向外依次包括：连接部、折环主体、以及折环外边缘；所述折环的连接部固定连接于所述锥盆的外边缘的上表面；所述连接部包括由一个第一区域和一个第二区域围成的环带，所述第一区域和所述第二区域到锥盆中心处的距离相同并且所述第一区域的密度大于所述第二区域的密度；所述第一区域位于与音圈的引线相对的一侧。
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CN109951774A (zh) * 2019-03-29 2019-06-28 广州迪雅圣发电器有限公司 一种车载扬声器音圈位置调整结构
WO2022047934A1 (zh) * 2020-09-03 2022-03-10 瑞声声学科技(深圳)有限公司 发声器件
CN114173251A (zh) * 2020-09-10 2022-03-11 深圳瑞利声学技术股份有限公司 一种号角以及音箱
CN115188143A (zh) * 2022-06-02 2022-10-14 歌尔股份有限公司 智能交互设备的控制方法、装置、智能交互设备及介质

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CN109951774A (zh) * 2019-03-29 2019-06-28 广州迪雅圣发电器有限公司 一种车载扬声器音圈位置调整结构
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CN114173251A (zh) * 2020-09-10 2022-03-11 深圳瑞利声学技术股份有限公司 一种号角以及音箱
CN115188143A (zh) * 2022-06-02 2022-10-14 歌尔股份有限公司 智能交互设备的控制方法、装置、智能交互设备及介质
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