WO2021114072A1 - 移动终端 - Google Patents

移动终端 Download PDF

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Publication number
WO2021114072A1
WO2021114072A1 PCT/CN2019/124257 CN2019124257W WO2021114072A1 WO 2021114072 A1 WO2021114072 A1 WO 2021114072A1 CN 2019124257 W CN2019124257 W CN 2019124257W WO 2021114072 A1 WO2021114072 A1 WO 2021114072A1
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WO
WIPO (PCT)
Prior art keywords
cavity
sound
mobile terminal
housing
resonant cavity
Prior art date
Application number
PCT/CN2019/124257
Other languages
English (en)
French (fr)
Inventor
刘忠原
任悦
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/CN2019/124257 priority Critical patent/WO2021114072A1/zh
Publication of WO2021114072A1 publication Critical patent/WO2021114072A1/zh

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Classifications

    • 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
    • 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
    • H04R9/06Loudspeakers

Definitions

  • This application relates to the field of acoustic technology, and in particular to a mobile terminal.
  • a traditional mobile terminal includes a housing, a sounding device arranged on the housing, and a sounding hole opened on the housing.
  • the sounding device includes a diaphragm.
  • the diaphragm and the housing form a front sound cavity, and the sound hole and the front sound cavity are separated from each other. Connected, such a structure will produce a resonance peak in the high frequency response. Excessive high frequency response will cause poor sound quality such as harsh sound and sharp high frequency sound.
  • the purpose of this application is to provide a mobile terminal to solve the current technical problem that the mobile terminal generates a formant in the high frequency response and affects the sound quality.
  • a mobile terminal which includes a housing, a sounding device arranged on the housing, and a sounding hole opened on the housing.
  • the sounding device includes a diaphragm for vibrating and sounding.
  • the housing is arranged at intervals to form a front cavity, the housing is also provided with an output cavity and a resonant cavity, the output cavity and the resonant cavity are arranged at intervals, and the front cavity is respectively connected to the output cavity and the resonant cavity Connected, the sound outlet cavity communicates with the sound outlet hole to form a sound outlet channel.
  • the housing includes an upper wall spaced apart from the diaphragm, and the upper wall includes an inner surface close to the diaphragm and an outer surface opposite to the inner surface. The surfaces are respectively recessed toward the direction of the diaphragm to form the sound outlet cavity and the resonant cavity.
  • it further includes a screen, which is located on the side of the housing away from the sound emitting device and covers the sound emitting cavity and the resonant cavity.
  • the inner surface is recessed toward the outer surface to form a sound hole, and the sound hole is used to communicate the front cavity and the resonant cavity.
  • the resonant cavity is filled with a sound-absorbing layer.
  • the sound outlet cavity is formed with a first opening on the outer surface, and the outer surface is recessed in the direction of the inner surface to form a groove, and the groove and the first opening pass through, so
  • the screen includes a lower end surface, and the inner wall of the groove and the lower end surface surround the sound channel.
  • a partition plate opposite to the diaphragm is provided in the front cavity, and a through hole connecting the front cavity and the resonant cavity is opened on the partition plate.
  • the partition is also provided with a slot hole connecting the front cavity and the sound cavity, and the slot hole is covered with a dust-proof net.
  • it further includes a basin frame, the sounding device is arranged on the basin frame, and the basin frame is connected to the housing.
  • the sound outlet is covered with a sound outlet, and the sound outlet is provided with fine holes.
  • the beneficial effect of the mobile terminal provided by the present application is that the housing is provided with an output cavity and a resonant cavity, the output cavity and the resonant cavity are arranged at intervals, and the front cavity is respectively connected to the sound output cavity and the resonant cavity, and the resonator connected to the front cavity is provided.
  • the resonant cavity can form anti-resonance at the resonant peak position of the front cavity and the output cavity, which can effectively reduce the high-frequency resonance peak and sensitivity, thereby improving the flatness of the high-frequency frequency response of the mobile terminal, and effectively improving the acoustic performance of the mobile terminal.
  • the sound quality of the mobile terminal is provided with an output cavity and a resonant cavity, the output cavity and the resonant cavity are arranged at intervals, and the front cavity is respectively connected to the sound output cavity and the resonant cavity, and the resonator connected to the front cavity is provided.
  • the resonant cavity can form anti-resonance at the
  • FIG. 1 is a schematic structural diagram of a mobile terminal provided by an embodiment of the application
  • FIG. 2 is a side view of the mobile terminal shown in FIG. 1;
  • FIG. 3 is a top view of the mobile terminal shown in FIG. 1;
  • Fig. 4 is a cross-sectional view of the mobile terminal shown in Fig. 3 taken along A-A;
  • FIG. 5 is a schematic diagram of an enlarged structure of part B of the mobile terminal shown in FIG. 4;
  • FIG. 6 is a schematic structural diagram of a mobile terminal provided by an embodiment of this application.
  • Fig. 7 is a C-C cross-sectional view of the mobile terminal shown in Fig. 6;
  • FIG. 8 is a schematic diagram of an enlarged structure of part D of the mobile terminal shown in FIG. 7;
  • FIG. 9 is an exploded view of a mobile terminal provided by an embodiment of the application.
  • FIG. 10 is a schematic diagram of an enlarged structure of part E of the mobile terminal shown in FIG. 9;
  • FIG. 11 is a simulation effect diagram of a frequency response curve of a mobile terminal in the related art and the mobile terminal provided by this application;
  • FIG. 12 is a graph showing the measured effect of the frequency response curve of the mobile terminal in the related art and the mobile terminal provided by this application.
  • this application discloses a mobile terminal 10, the mobile terminal has a new type of receiver sound structure, the receiver sound structure specifically includes a housing 200, a sound emitting device 300 arranged on the housing 200 And a sound hole 280 opened on the housing 200.
  • the sound emitting device 300 includes a diaphragm 310 for vibrating and sounding.
  • the diaphragm 310 is spaced from the housing 200 to form a front cavity 410, and the housing 200 is also provided with a sound outlet 220 And the resonant cavity 230, the output cavity 220 and the resonant cavity 230 are spaced apart, and the front cavity 410 communicates with the output cavity 220 and the resonant cavity 230 respectively, and the output cavity 220 communicates with the sound hole 280 to form an output channel 240 through The resonant cavity 230 connected to the front cavity 410 is provided.
  • the resonant cavity 230 can form anti-resonance at the resonant peak positions of the front cavity 410 and the output cavity 220, which can effectively reduce the high frequency resonance peak and sensitivity, thereby improving the high frequency response of the mobile terminal 10.
  • the flatness can effectively improve the acoustic performance of the mobile terminal 10 and improve the sound quality of the mobile terminal 10.
  • the housing 200 includes an upper wall 210 spaced apart from the diaphragm 310.
  • the upper wall 210 includes an inner surface 211 close to the diaphragm 310 and an outer surface 212 opposite to the inner surface 211.
  • the outer surfaces 212 are respectively
  • the acoustic cavity 220 and the resonant cavity 230 are recessed in the direction of the diaphragm 310, so that the arrangement of the resonant cavity 230 reduces the peak value of the high-frequency frequency response and improves the high-frequency listening effect.
  • the mobile terminal 10 further includes a screen 500.
  • the screen 500 is located on the side of the housing 200 away from the sound emitting device 300, and covers the acoustic cavity 220 and the resonant cavity 230, so that the resonant cavity 230 is closed at the end close to the screen 500 to form
  • the anti-resonance of the resonance peak of the front cavity and the output cavity improves the high-frequency listening effect.
  • the mobile terminal 10 further includes a housing cover 100, and the housing cover 100 and the housing 200 cooperate to form a receiving space 400, and the sound emitting device 300 is accommodated in the receiving space 400 to realize the installation of the sound emitting device 300.
  • the resonant cavity 230 is filled with a sound absorbing layer to form a sound absorbing effect to enhance the acoustic resistance, so as to enhance the anti-resonance effect of the resonant cavity 230.
  • the sound-absorbing layer is filled with sound-absorbing cotton, which has low cost, simple assembly process and good sound-absorbing effect.
  • the resonant cavity 230 is a flat rectangular parallelepiped cavity, and the depth of the resonant cavity 230 is the same as the depth of the sound outlet cavity 220, and the depth refers to the height distance from the inner surface 211 to the outer surface 212.
  • the shape and size of the cavity 230 can be selected differently.
  • the shape of the resonant cavity 230 and the sound outlet cavity 220 are the same, forming a flat cavity whose two ends are connected by arcs.
  • the purpose of the body is to set the resonant cavity 230 to form an anti-resonance.
  • the resonant cavity 230 can form anti-resonance, thereby improving the flatness of the high-frequency frequency response of the mobile terminal 10, and can also effectively reduce the effect of noise amplified by the resonance of the front cavity 410, which can effectively improve the performance of the mobile terminal 10.
  • Acoustic performance Please refer to Figure 11 and Figure 12, where I is the frequency response curve without a resonant cavity under the simulation effect, II is the frequency response curve with a resonant cavity under the simulation effect, III is the frequency response curve without a resonant cavity under the measured effect, IV
  • I is the frequency response curve without a resonant cavity under the simulation effect
  • II is the frequency response curve with a resonant cavity under the simulation effect
  • III is the frequency response curve without a resonant cavity under the measured effect
  • IV In order to measure the frequency response curve of the resonant cavity under the actual measurement effect, it can be seen from FIG. 11 and FIG. 12 that the frequency response peak value of the mobile terminal 10 provided in the present application is significantly reduced
  • the inner surface 211 is recessed toward the outer surface 212 to form a sound hole 250.
  • the sound hole 250 is used to connect the front cavity 410 and the resonant cavity 230 to form the resonance of the resonant cavity 230 in the high frequency response process. It can be understood that, in different embodiments, the number of the sound holes 250 may be one or more. When one sound hole 250 is provided, the sound hole 250 may be provided in the middle position or the side position of the resonant cavity 230. When there are multiple sound holes 250, the sound holes 250 may be arranged at intervals on the upper part of the resonant cavity 230, or arranged regularly.
  • a partition 411 is provided in the front cavity 410 opposite to the diaphragm 310, and the partition 411 is provided with a through hole 260 that communicates the front cavity 410 and the resonant cavity 230.
  • the resonance of the resonant cavity 230 in the high frequency response process is formed.
  • the number of the through holes 260 may be one or more.
  • the through hole 260 It may be formed at the middle position or the side position of the resonant cavity 230.
  • the through holes 260 may be arranged at intervals on the upper part of the resonant cavity 230 or arranged regularly.
  • the partition 411 is also provided with a slot 412 connecting the front cavity 410 and the sound outlet cavity 220 to form the sound transmission between the front cavity 410 and the sound outlet cavity 220.
  • a dust-proof net 261 is provided on the upper cover of the slot 412 to form a dust-proof filter in the front cavity 410.
  • the dust-proof net 261 is squeezed and fixed on the partition 411 by a dust-proof plate 262, and the dust-proof plate 262 is provided with The clearance provided by the slot 412 does not affect the communication between the front cavity 410 and the sound output cavity 220.
  • the mobile terminal 10 further includes a basin frame 600, the sounding device 300 is arranged on the basin frame 600, and the basin frame 600 is connected to the housing 200 to complete the installation and fixing of the sounding device 300, and the basin frame 600 is directly fixed to On the inner surface 211, or fixed on the inner surface 211 by a fixing member 610, the inner wall of the basin frame 600, the diaphragm 310 and the inner surface 211 enclose the front cavity 410 of the city.
  • the sound hole 280 is covered with a sound board 270, and the sound board 270 is provided with fine holes 271.
  • the fine holes 271 are arranged to transmit sound to the outside world.
  • the pores 271 are provided with one or more.
  • the pores 271 are arranged at intervals or regularly arranged on the sound-emitting board 270 to realize the transmission of sound to the outside and form a certain degree of dust prevention. effect.
  • the sound hole 280 is opened on the front of the housing 200 and close to the top position.
  • the sound-emitting cavity 220 and the resonant cavity 230 are respectively formed with a first opening 213 and a second opening 214 on the outer surface 212, and the outer surface 212 is recessed toward the inner surface 211 to form a groove 242, and the groove 242 and the first opening 214 An opening 213 penetrates.
  • the screen 500 includes a lower end surface 510.
  • the inner wall of the groove 242 and the lower end surface 510 surround the sound channel 240.
  • the inner surface 211 is recessed to form the sound channel 240 for sound transmission. Under constant conditions, from the first opening 213 toward the outlet end of the sound channel 240, the bottom plane of the groove 242 forms a gradually widening surface, which has a certain amplification effect on the sound.

Abstract

本申请提供了一种移动终端,包括壳体、设置于壳体上的发声器件及开设于壳体上的出声孔,发声器件包括用于振动发声的振膜,振膜与壳体间隔设置形成前腔,壳体上还开设有出声腔和谐振腔,出声腔和谐振腔间隔设置,且前腔分别与出声腔和谐振腔连通,出声腔与出声孔连通形成出声通道。本申请提供的移动终端,通过设置与前腔连通的谐振腔,谐振腔能够在前腔及出声腔的谐振峰位置形成反谐振,可以有效降低高频谐振峰值和灵敏度,从而改善移动终端高频频响的平坦度,可有效改善移动终端的声学性能,提升移动终端的音质。

Description

移动终端 技术领域
本申请涉及声学技术领域,尤其涉及一种移动终端。
背景技术
现有技术的移动终端,如手机,被广泛应用于千家万户。随着人们生活品质的提升,移动终端通话及播放音乐的品质越来越多的被人们所关注,其中,移动终端的出声腔体设计是影响音质的重点因素之一。
技术问题
传统的移动终端,包括壳体、设置于壳体上的发声器件及开设于壳体上的出声孔,发声器件包括振膜,振膜与壳体间隔形成前声腔,出声孔与前声腔连通,这样的结构会在高频频响产生一个共振峰,过高的高频频响会导致声音刺耳、高频声音较尖锐等音质不佳的问题。
因此,有必要提供一种新的移动终端以解决上述技术问题。
技术解决方案
本申请的目的在于提供一种移动终端,以解决目前移动终端在高频频响产生一个共振峰而影响音质的技术问题。
本申请的技术方案如下:
提供了一种移动终端,包括壳体、设置于壳体上的发声器件及开设于壳体上的出声孔,所述发声器件包括用于振动发声的振膜,所述振膜与所述壳体间隔设置形成前腔,所述壳体上还开设有出声腔和谐振腔,所述出声腔和所述谐振腔间隔设置,且所述前腔分别与所述出声腔和所述谐振腔连通,所述出声腔与所述出声孔连通形成出声通道。
作为一种改进,所述壳体包括与所述振膜间隔设置的上壁,所述上壁包括靠近所述振膜的内表面,以及与所述内表面相对设置的外表面,所述外表面分别朝向所述振膜方向凹陷形成所述出声腔和所述谐振腔。
作为一种改进,还包括屏幕,所述屏幕位于所述壳体背离所述发声器件的一侧,且覆盖所述出声腔及所述谐振腔。
作为一种改进,所述内表面朝向所述外表面方向凹陷形成音孔,所述音孔用于连通所述前腔与所述谐振腔。
作为一种改进,所述谐振腔内填充有吸音层。
作为一种改进,所述出声腔在所述外表面形成有第一开口,所述外表面朝所述内表面方向凹陷形成有凹槽,且所述凹槽与所述第一开口贯通,所述屏幕包括下端面,所述凹槽的内壁与所述下端面围绕形成所述出声通道。
作为一种改进,在所述前腔内设有与所述振膜相对设置的隔板,所述隔板上开设有连通所述前腔与所述谐振腔的通孔。
作为一种改进,所述隔板上还开设有连通所述前腔与所述出声腔的槽孔,所述槽孔上盖设有防尘网。
作为一种改进,还包括盆架,所述发声器件安置于所述盆架上,所述盆架连接于所述壳体。
作为一种改进,所述出声孔覆盖有出声板,所述出声板上开设有细孔。
有益效果
本申请提供的移动终端的有益效果在于:壳体上开设有出声腔和谐振腔,出声腔和谐振腔间隔设置,且前腔分别与出声腔和谐振腔连通,通过设置与前腔连通的谐振腔,谐振腔能够在前腔及出声腔的谐振峰位置形成反谐振,可以有效降低高频谐振峰值和灵敏度,从而改善移动终端高频频响的平坦度,可有效改善移动终端的声学性能,提升移动终端的音质。
附图说明
图1为本申请的一个实施例提供的移动终端的结构示意图;
图2为图1所示的移动终端的侧视图;
图3为图1所示的移动终端的俯视图;
图4为图3所示的移动终端的A-A剖视图;
图5为图4所示的移动终端的B部放大结构示意图;
图6为本申请的一个实施例提供的移动终端的结构示意图;
图7为图6所示的移动终端的C-C剖视图;
图8为图7所示的移动终端的D部放大结构示意图;
图9为本申请的一个实施例提供的移动终端的爆炸图;
图10为图9所示的移动终端的E部放大结构示意图;
图11为相关技术中移动终端与本申请提供的移动终端的频响曲线仿真效果图;
图12为相关技术中移动终端与本申请提供的移动终端的频响曲线实测效果图。
本发明的实施方式
下面结合附图和实施方式对本申请作进一步说明。
请参阅图1至图5,本申请公开了一种移动终端10,该移动终端拥有一新型受话器出声结构,该受话器出声结构具体包括壳体200、设置于壳体200上的发声器件300及开设于壳体200上的出声孔280,发声器件300包括用于振动发声的振膜310,振膜310与壳体200间隔设置形成前腔410,壳体200上还开设有出声腔220和谐振腔230,出声腔220和谐振腔230间隔设置,且前腔410分别与出声腔220和谐振腔230连通,所述出声腔220与所述出声孔280连通形成出声通道240,通过设置与前腔410连通的谐振腔230,谐振腔230能够在前腔410及出声腔220的谐振峰位置形成反谐振,可以有效降低高频谐振峰值和灵敏度,从而改善移动终端10高频频响的平坦度,可有效改善移动终端10的声学性能,提升移动终端10的音质。
在一实施例中,壳体200包括与振膜310间隔设置的上壁210,上壁210包括靠近振膜310的内表面211,以及与内表面211相对设置的外表面212,外表面212分别朝向振膜310方向凹陷形成出声腔220和谐振腔230,使谐振腔230的设置,降低高频频响的峰值,提升高频听音效果。
在一实施例中,移动终端10还包括屏幕500,屏幕500位于壳体200背离发声器件300的一侧,且覆盖出声腔220及谐振腔230,使谐振腔230在靠近屏幕500一端封闭,形成前腔及出声腔谐振峰的反谐振,提升高频听音效果。
在一实施例中,移动终端10还包括壳盖100,所壳盖100与壳体200配合形成收容空间400,发声器件300收容于收容空间400内,实现发声器件300的安装。
在一实施例中,谐振腔230内填充有吸音层,形成吸音效果以增强声阻,以提升谐振腔230的反谐振效果。优选的,吸音层为吸音棉填充形成,成本低廉,装配工序简单,吸音效果好。优选的,谐振腔230为扁平状的长方体空腔,且谐振腔230的深度与出声腔220的深度相同,此深度指的是从内表面211朝向外表面212的高度距离。当然,可以理解的是,在不同实施例中,谐振腔230的形状及腔体大小可以有不同选择,例如,谐振腔230与出声腔220的形状相同,形成两端为圆弧连接的扁平腔体,其目的是,设置谐振腔230,形成反谐振。
基于亥姆霍兹共振原理,谐振腔230能够形成反谐振,从而改善移动终端10高频频响的平坦度,同时也能够有效降低噪声被前腔410谐振放大的作用,可有效改善移动终端10的声学性能。请参阅图11和图12,其中,I为仿真效果下无谐振腔的频响曲线,II为仿真效果下有谐振腔的频响曲线,III为实测效果下无谐振腔的频响曲线,IV为实测效果下有谐振腔的频响曲线,由图11和图12可以看出,与无谐振腔的仿真效果或实测效果相比,本申请提供的移动终端10的频响峰值明显降低。
在一实施例中,内表面211朝向外表面212方向凹陷形成音孔250,音孔250用于连通前腔410与谐振腔230,形成谐振腔230在高频频响过程中的谐振。可以理解的是,在不同实施例中,此音孔250的数量可以为一个或多个,当音孔250设置有一个时,音孔250可以设于谐振腔230的中间位置或侧边位置,当音孔250设有多个时,音孔250可以在谐振腔230的上部间隔设置,或规则排列。
在一实施例中,请参阅图6至图8,在前腔410内设有与振膜310相对设置的隔板411,隔板411上开设有连通前腔410与谐振腔230的通孔260,形成谐振腔230在高频频响过程中的谐振,可以理解的是,在不同实施例中,此通孔260的数量可以为一个或多个,当通孔260设置有一个时,通孔260可以形成于谐振腔230的中间位置或侧边位置,当通孔260设有多个时,通孔260可以在谐振腔230的上部间隔设置,或规则排列。
在一实施例中,请参阅图9和图10,隔板411上还开设有连通前腔410与出声腔220的槽孔412,形成前腔410与出声腔220的声音传输,优选的,所述槽孔412上盖设有防尘网261,形成前腔410内的防尘过滤,防尘网261采用防尘板262挤压固定于隔板411上,且防尘板262上设有与槽孔412配合的空隙,以不影响前腔410与出声腔220的连通。
在一实施例中,移动终端10还包括盆架600,发声器件300安置于盆架600上,且盆架600连接于壳体200,完成发声器件300的安装固定,且盆架600直接固定于内表面211上,或采用固定件610固定于内表面上211,盆架600内壁、振膜310及内表面211围城前腔410。
在一实施例中,出声孔280覆盖有出声板270,出声板270上开设有细孔271,细孔271的设置,用于将声音传到至外界,可以理解的是,在不同实施例中,细孔271设有一个或多个,当细孔271设置有多个,在出声板270上间隔设置,或规则排列,实现声音向外界的传输,且形成了一定的防尘效果。优选的,出声孔280开设于壳体200正面且靠近顶部位置。
在一实施例中,出声腔220和谐振腔230在外表面212分别形成有第一开口213和第二开口214,外表面212朝内表面211方向凹陷形成有凹槽242,且凹槽242与第一开口213贯通,屏幕500包括下端面510,凹槽242的内壁与下端面510围绕形成出声通道240,在内表面211凹陷形成出声通道240,进行声音的传递,且凹槽242在深度恒定的情况下,从第一开口213朝向出声通道240的出口端,其凹槽242的底部平面形成一个渐宽面,对声音形成一定的放大效果。
需要说明的是,本申请中提到的“多个”指的是两个或两个以上;术语“第一”、“第二”仅用于描述目的,而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。
以上的仅是本申请的实施方式,在此应当指出,对于本领域的普通技术人员来说,在不脱离本申请创造构思的前提下,还可以做出改进,但这些均属于本申请的保护范围。

Claims (10)

  1. 一种移动终端,包括壳体、设置于所述壳体上的发声器件及开设于所述壳体上的出声孔,所述发声器件包括用于振动发声的振膜,所述振膜与所述壳体间隔设置形成前腔,其特征在于,所述壳体上还开设有出声腔和谐振腔,所述出声腔和所述谐振腔间隔设置,且所述前腔分别与所述出声腔和所述谐振腔连通,所述出声腔与所述出声孔连通形成出声通道。
  2. 根据权利要求1所述的移动终端,其特征在于:所述壳体包括与所述振膜间隔设置的上壁,所述上壁包括靠近所述振膜的内表面,以及与所述内表面相对设置的外表面,所述外表面分别朝向所述振膜方向凹陷形成所述出声腔和所述谐振腔。
  3. 根据权利要求2所述的移动终端,还包括屏幕,所述屏幕位于所述壳体背离所述发声器件的一侧,且覆盖所述出声腔及所述谐振腔。
  4. 根据权利要求2或3所述的移动终端,其特征在于:所述内表面朝向所述外表面方向凹陷形成音孔,所述音孔用于连通所述前腔与所述谐振腔。
  5. 根据权利要求1、2或3所述的移动终端,其特征在于:所述谐振腔内填充有吸音层。
  6. 根据权利要求3所述的移动终端,其特征在于:所述出声腔在所述外表面形成有第一开口,所述外表面朝所述内表面方向凹陷形成有凹槽,且所述凹槽与所述第一开口贯通,所述屏幕包括下端面,所述凹槽的内壁与所述下端面围绕形成所述出声通道。
  7. 根据权利要求1所述的移动终端,其特征在于:在所述前腔内设有与所述振膜相对设置的隔板,所述隔板上开设有连通所述前腔与所述谐振腔的通孔。
  8. 根据权利要求7所述的移动终端,其特征在于:所述隔板上还开设有连通所述前腔与所述出声腔的槽孔,所述槽孔上盖设有防尘网。
  9. 根据权利要求1所述的移动终端,其特征在于:还包括盆架,所述发声器件安置于所述盆架上,所述盆架连接于所述壳体。
  10. 根据权利要求1所述的移动终端,其特征在于:所述出声孔覆盖有出声板,所述出声板上开设有细孔。
PCT/CN2019/124257 2019-12-10 2019-12-10 移动终端 WO2021114072A1 (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113676569A (zh) * 2021-08-02 2021-11-19 维沃移动通信有限公司 发声组件及电子设备
CN113676581B (zh) * 2021-08-17 2024-04-19 维沃移动通信有限公司 发声器件及电子设备

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207070330U (zh) * 2017-06-26 2018-03-02 歌尔科技有限公司 扬声器模组以及电子设备
US20180084323A1 (en) * 2016-09-22 2018-03-22 Apple Inc. Audio module for an electronic device
CN107889035A (zh) * 2017-10-23 2018-04-06 上海润欣科技股份有限公司 扬声器箱
CN109874067A (zh) * 2018-12-30 2019-06-11 瑞声科技(新加坡)有限公司 扬声器箱
CN110177324A (zh) * 2019-05-15 2019-08-27 维沃移动通信有限公司 扬声器及终端设备

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180084323A1 (en) * 2016-09-22 2018-03-22 Apple Inc. Audio module for an electronic device
CN207070330U (zh) * 2017-06-26 2018-03-02 歌尔科技有限公司 扬声器模组以及电子设备
CN107889035A (zh) * 2017-10-23 2018-04-06 上海润欣科技股份有限公司 扬声器箱
CN109874067A (zh) * 2018-12-30 2019-06-11 瑞声科技(新加坡)有限公司 扬声器箱
CN110177324A (zh) * 2019-05-15 2019-08-27 维沃移动通信有限公司 扬声器及终端设备

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113676569A (zh) * 2021-08-02 2021-11-19 维沃移动通信有限公司 发声组件及电子设备
CN113676581B (zh) * 2021-08-17 2024-04-19 维沃移动通信有限公司 发声器件及电子设备

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