WO2021000123A1 - Terminal mobile - Google Patents

Terminal mobile Download PDF

Info

Publication number
WO2021000123A1
WO2021000123A1 PCT/CN2019/094021 CN2019094021W WO2021000123A1 WO 2021000123 A1 WO2021000123 A1 WO 2021000123A1 CN 2019094021 W CN2019094021 W CN 2019094021W WO 2021000123 A1 WO2021000123 A1 WO 2021000123A1
Authority
WO
WIPO (PCT)
Prior art keywords
sound
mobile terminal
speaker box
screen
housing
Prior art date
Application number
PCT/CN2019/094021
Other languages
English (en)
Chinese (zh)
Inventor
刘忠原
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/CN2019/094021 priority Critical patent/WO2021000123A1/fr
Priority to CN201921032228.3U priority patent/CN210781319U/zh
Publication of WO2021000123A1 publication Critical patent/WO2021000123A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • 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 utility model relates to the field of sound and electricity, in particular to a portable mobile terminal.
  • a related art mobile terminal includes a housing, a screen that is covered on the housing and encloses a housing space with the housing, and a speaker box installed in the housing space.
  • a narrow slit is opened on the screen, and the sound hole of the speaker box is connected with the narrow slit, thereby forming a narrow slit sound output structure.
  • the purpose of the utility model is to provide a mobile terminal with good acoustic performance and full screen.
  • the present invention provides a mobile terminal, which includes a housing, a screen that is covered on the housing and encloses a housing space with the housing, a speaker box installed in the housing space, and a mounting
  • the housing includes a bottom wall, a side wall bent and extended from the periphery of the bottom wall, and an opening provided through the side wall, and the screen cover is supported on the side wall
  • the speaker box is provided with a sound outlet for sound, the sound outlet is opened toward the screen; the drive motor is connected with the speaker box to drive the speaker box to move, and make the output
  • the sound mouth extends out of the containing space or retracts into the containing space through the opening.
  • the housing further includes a sound chute extending from the bottom wall and formed in the accommodating space, the sound chute is arranged directly opposite to the opening, and the speaker box is accommodated in the In the sound chute, the driving motor drives the speaker box to slide along the axial direction of the sound chute.
  • the sound outlet when the sound outlet is retracted into the accommodating space, the sound outlet is completely accommodated in the sound chute and the side of the speaker box close to the opening is flush with the opening .
  • the sound emission direction of the sound outlet is perpendicular to the screen.
  • the driving motor is a stepping motor.
  • the speaker box further includes a damping member glued and fixed to the upper cover, and the damping member completely covers the sound outlet.
  • the orthographic projection of the sound outlet along the vibration direction of the diaphragm to the direction of the sound-producing monomer falls on the diaphragm.
  • the speaker box includes a lower cover, an upper cover that encloses a box space together with the lower cover, a sound outlet penetrating the upper cover, and a sounding monomer housed in the box space;
  • the sound-producing monomer includes a vibrating diaphragm, the diaphragm and the upper cover jointly enclose a front cavity, the diaphragm, the upper cover, and the lower cover jointly enclose a rear cavity, and the sound
  • the opening connects the front cavity with the outside to form a front sounding structure.
  • the sound outlet of the speaker box faces the screen, and the housing is provided with the opening provided through the side wall, and the drive motor The speaker box is driven to move to drive the sound outlet to extend out of the containing space or retract into the containing space through the opening, thereby realizing a full-screen structure while realizing a sound-producing structure on the side of the screen without being affected by the whole
  • the size of the narrow slot of the machine improves the stereo effect while avoiding the problem of stereo piano noise caused by the narrow slot, and the overall performance is better.
  • Figure 1 is a schematic diagram of the three-dimensional structure of the mobile terminal of the present invention.
  • Figure 2 is an exploded view of a part of the three-dimensional structure of the mobile terminal of the present invention.
  • Figure 3 is a cross-sectional view taken along line A-A in Figure 1;
  • Figure 4 is an enlarged view of part A shown in Figure 3;
  • Figure 5 is a schematic diagram of another state of Figure 4.
  • Figure 6 is an exploded view of a part of the three-dimensional structure of the speaker box of the mobile terminal of the present invention.
  • Fig. 7 is a curve diagram of the sound effect of the mobile terminal of the present invention and the related art narrow-slot sounding mobile terminal.
  • the present invention provides a mobile terminal 100, which includes a housing 1, a screen 2, a speaker box 3, and a driving motor 4.
  • the screen 2 is arranged on the housing 1 and encloses a receiving space 10 together with the housing 1.
  • the housing 1 includes a bottom wall 11, a side wall 12 extending from the periphery of the bottom wall 11, an opening 13 provided through the side wall 12, and an opening 13 extending from the bottom wall 11 and formed in the bottom wall 11
  • the screen 2 is covered and supported on the side wall 12, and only a part of the structure of the screen 2 is shown in FIG. 2.
  • the speaker box 3 is installed in the receiving space 10. Specifically, the speaker box 3 includes a lower cover 31, an upper cover 32, a sound outlet 33, a sounding monomer 34 and a damping member 35.
  • the lower cover 31 and the upper cover 32 jointly enclose a box space 30.
  • the sound outlet 33 penetrates the upper cover 32.
  • the sound outlet 33 is used to transmit sound to the outside world.
  • the sound outlet 33 is opened toward the screen 2 to form a sound structure on the side of the screen.
  • the sound output direction of the sound outlet 33 is perpendicular to the screen 2.
  • the sounding monomer 34 is contained in the box space 30.
  • the vocal unit 34 is used for vibration and sound.
  • the sound emitting monomer 34 and the upper cover 32 jointly enclose a front cavity 301, and the front cavity 301 is used to improve the high frequency acoustic performance of the speaker box 3.
  • the sound outlet 33 connects the front cavity 301 with the outside world to form a front sounding structure.
  • This sounding structure makes the mobile terminal 100 no longer limited by the size of the slits of the whole machine, which improves the stereo effect and avoids the slits. The overall performance of stereo piano sound noise is better.
  • the sound emitting unit 34, the upper cover 32 and the lower cover 31 jointly enclose a rear cavity 302, and the rear cavity 302 is used to improve the low frequency acoustic performance of the speaker box 3.
  • the front cavity 301 and the rear cavity 302 jointly constitute the box space 30.
  • the sound-emitting unit 34 includes a diaphragm 341 for vibrating and sounding.
  • the diaphragm 341 and the upper cover 32 jointly form the front cavity 301; the diaphragm 341, the upper cover 32 and the lower cover 31 jointly enclose the rear cavity 302.
  • the orthographic projection of the sound outlet 33 along the vibration direction of the diaphragm 341 toward the direction of the sound emitting unit 34 falls on the diaphragm 341.
  • the vibrating sound of the diaphragm 341 is directly transmitted to the outside through the sound outlet 33 to form a front sounding structure, which improves the stereo effect and has better overall performance.
  • the damping member 35 is glued and fixed to the damping member 35 of the upper cover 32, and the damping member 35 completely covers the sound outlet 33.
  • the damping member 35 not only causes the vibration and sound of the sound emitting unit 34 to be transmitted to the outside, but also prevents foreign matter or water from directly entering the front cavity 301, which is beneficial to improve the reliability of the speaker box 3.
  • the driving motor 4 is installed in the receiving space 10.
  • the driving motor 5 is a stepping motor, which has high sensitivity and good controllability.
  • the driving motor 4 is connected with the speaker box 3 to drive the speaker box 3 to move, and make the sound outlet 33 extend out of the receiving space 10 through the opening 13 or retract to the In the containment space 10. More preferably, in this embodiment, the driving motor 4 drives the speaker box 3 to move linearly, which is more conducive to making the mobile terminal 100 compact in structure and small in size, which is conducive to miniaturization.
  • the driving motor 4 drives the speaker box 3 to move and drives the sound outlet 33 to extend out of the containing space 10, that is, the sound outlet 33 extends out of the accommodating space 10 to realize sound, and the sound outlet 33 is set toward the screen 2, that is, the sound structure on the side of the screen is realized, and there is no need to open a narrow slit on the screen, that is, the sound outlet 33 33 is not restricted by the narrow slits of the whole screen, and realizes a full-screen structure.
  • curve a is the acoustic performance curve diagram of the mobile terminal of the present invention
  • curve b is the acoustic performance curve diagram of the prior art mobile terminal. It can be seen from FIG. 7 that the acoustic performance of the mobile terminal 100 with sound on the screen side of the full-screen structure of the present invention is stable.
  • the drive motor 4 drives the speaker box 3 to move and drives the sound outlet 33 to retract into the containing space 10, the damping member 35 can abut against The screen 2, that is, at this time, the upper cover 32 and the lower cover 31 abut against the screen 2 and the bottom wall 11 of the housing 1, respectively.
  • This structural design allows the speaker box 3 to be integrated with the camera and other devices and realize the full screen structure of the whole machine.
  • the sound chute 14 is mainly used as a guide structure for the movement of the speaker box 3 to improve the reliability of its extension and retraction.
  • the sounding slide 14 and the opening 13 are arranged directly opposite, the speaker box 3 is housed in the sounding slide 14, and the driving motor 4 drives the speaker box 3 along the The axial sliding of the sound slide 14 is described to improve stability.
  • the sound outlet 33 when the sound outlet 33 is retracted into the accommodating space 10, the sound outlet 33 is completely contained in the sound chute 14 and the speaker box 3 is close to the opening 13 One side is flush with the opening 13, which improves the overall aesthetics of the mobile terminal 100.
  • the sound outlet of the speaker box faces the screen, and the housing is provided with the opening provided through the side wall, and the drive motor The speaker box is driven to move to drive the sound outlet to extend out of the containing space or retract into the containing space through the opening, thereby realizing a full-screen structure while realizing a sound-producing structure on the side of the screen without being affected by the whole
  • the size of the narrow slot of the machine improves the stereo effect while avoiding the problem of stereo piano noise caused by the narrow slot, and the overall performance is better.

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Telephone Set Structure (AREA)

Abstract

Un terminal mobile, comprenant une coque, un écran recouvrant la coque et entourant un espace de réception conjointement avec la coque, une boîte de haut-parleur montée dans l'espace de réception, et un moteur électrique d'entraînement monté dans l'espace de réception, la coque comprenant une paroi inférieure, une paroi latérale pliée et s'étendant à partir d'un bord périphérique de la paroi inférieure, et une ouverture pénétrant dans la paroi latérale ; l'écran recouvre et est supporté sur la paroi latérale ; la boîte de haut-parleur est pourvue d'une sortie de son pour produire un son, et la sortie de son est agencée en face de l'écran ; et le moteur électrique d'entraînement est relié à la boîte de haut-parleur pour entraîner la boîte de haut-parleur à se déplacer et à permettre à la sortie de son de sortir de l'espace de réception ou à se rétracter dans l'espace de réception par l'intermédiaire de l'ouverture, est fourni dans le présent modèle d'utilité. Par rapport à la technologie associée, le terminal mobile dans le présent modèle d'utilité présente de bonnes performances acoustiques, et une conception plein écran est réalisée.
PCT/CN2019/094021 2019-06-29 2019-06-29 Terminal mobile WO2021000123A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2019/094021 WO2021000123A1 (fr) 2019-06-29 2019-06-29 Terminal mobile
CN201921032228.3U CN210781319U (zh) 2019-06-29 2019-07-03 移动终端

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2019/094021 WO2021000123A1 (fr) 2019-06-29 2019-06-29 Terminal mobile

Publications (1)

Publication Number Publication Date
WO2021000123A1 true WO2021000123A1 (fr) 2021-01-07

Family

ID=71043162

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/094021 WO2021000123A1 (fr) 2019-06-29 2019-06-29 Terminal mobile

Country Status (2)

Country Link
CN (1) CN210781319U (fr)
WO (1) WO2021000123A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1258983A (zh) * 1998-12-30 2000-07-05 三星电子株式会社 便携式无线电话的可伸缩的扬声器装置
US20120134526A1 (en) * 2010-11-30 2012-05-31 Kia Motors Corporation Pop-up tweeter
CN205666945U (zh) * 2016-05-31 2016-10-26 宇龙计算机通信科技(深圳)有限公司 一种扬声器腔室可扩展的移动设备
CN207968577U (zh) * 2018-02-09 2018-10-12 广东欧珀移动通信有限公司 移动终端
CN109246294A (zh) * 2018-08-24 2019-01-18 维沃移动通信有限公司 一种终端及应用于终端的扬声器出音控制方法
CN109451120A (zh) * 2018-10-15 2019-03-08 歌尔股份有限公司 一种移动终端设备

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1258983A (zh) * 1998-12-30 2000-07-05 三星电子株式会社 便携式无线电话的可伸缩的扬声器装置
US20120134526A1 (en) * 2010-11-30 2012-05-31 Kia Motors Corporation Pop-up tweeter
CN205666945U (zh) * 2016-05-31 2016-10-26 宇龙计算机通信科技(深圳)有限公司 一种扬声器腔室可扩展的移动设备
CN207968577U (zh) * 2018-02-09 2018-10-12 广东欧珀移动通信有限公司 移动终端
CN109246294A (zh) * 2018-08-24 2019-01-18 维沃移动通信有限公司 一种终端及应用于终端的扬声器出音控制方法
CN109451120A (zh) * 2018-10-15 2019-03-08 歌尔股份有限公司 一种移动终端设备

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