WO2021000124A1 - 移动终端 - Google Patents

移动终端 Download PDF

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Publication number
WO2021000124A1
WO2021000124A1 PCT/CN2019/094022 CN2019094022W WO2021000124A1 WO 2021000124 A1 WO2021000124 A1 WO 2021000124A1 CN 2019094022 W CN2019094022 W CN 2019094022W WO 2021000124 A1 WO2021000124 A1 WO 2021000124A1
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WO
WIPO (PCT)
Prior art keywords
sound
mobile terminal
guide tube
screen
housing
Prior art date
Application number
PCT/CN2019/094022
Other languages
English (en)
French (fr)
Inventor
刘忠原
印兆宇
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/CN2019/094022 priority Critical patent/WO2021000124A1/zh
Priority to CN201921023391.3U priority patent/CN210016497U/zh
Publication of WO2021000124A1 publication Critical patent/WO2021000124A1/zh

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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
    • 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

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 and fixed in the housing space, A sound guide tube, a sound emitting part and a driving motor, the speaker box is provided with a sound outlet for sound;
  • the housing includes a bottom wall, a side wall bent and extended from the periphery of the bottom wall, and a side wall penetrating through the side wall
  • the screen cover is supported on the side wall, the sound outlet is opened toward the side wall;
  • the sound guide tube is fixed to the speaker box and communicates with the sound outlet,
  • the sound outlet is sleeved on the sound guide tube;
  • the sound outlet includes a hollow shell and a sound port that penetrates the shell, and the shell is sleeved on the sound guide tube away from the speaker
  • the driving motor is installed in the containing
  • 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, the speaker box and the guide The sound tube is fixed in the sound chute, and the sound part slides along the axial direction of the sound chute.
  • the sound emitting part when the sound emitting part is retracted into the accommodating space, the sound emitting part is completely contained in the sound emitting chute, and the side of the sound emitting part away from the speaker box and the opening Flush.
  • the housing includes an upper surface wall close to the screen, a lower surface wall disposed opposite to the upper surface wall, and a side surface wall connecting the upper surface wall and the lower surface wall, and the sound An opening is provided on the upper surface wall, and the side surface wall is provided with a sleeve opening and sleeved on the sound guide tube.
  • the outer surface of the sound guide tube is recessed to form a sliding groove, and the sliding groove extends from an end of the sound guide tube close to the sound port in a direction close to the speaker box, and the sound outlet is sleeved In the chute.
  • the direction of the sound outlet is perpendicular to the screen.
  • the driving motor is a stepping motor.
  • the sound outlet of the speaker box is opened toward the side wall, and a sound guide tube and a sound part with a sound opening are also provided, and the sound guide tube is fixed to the side wall.
  • the speaker box is in communication with the sound outlet of the speaker box, the sound outlet is sleeved on the sound guide tube, and the sound opening is connected to the sound guide tube, and the drive motor is connected to the sound guide tube.
  • the sound output part is connected to drive the sound output part to move along the sound guide tube, and make the sound output part extend out of the receiving space or retract into the receiving space through the opening, In this way, the full screen structure is realized while the sound structure on the side of the screen is realized, which is no longer limited by the size of the narrow slit of the whole machine.
  • the stereo effect is improved while avoiding the problem of stereo piano noise caused by the narrow slit, 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 another exploded view of the partial three-dimensional structure of the mobile terminal of the present invention.
  • Figure 4 is a cross-sectional view taken along line A-A in Figure 1;
  • Fig. 5 is an enlarged view of part B shown in Fig. 4;
  • Figure 6 is a schematic diagram of another state of Figure 5;
  • 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, a sound guide 4, a sound output part 5, and a driving motor 6.
  • 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 accommodating space 10, more specifically, the speaker box 3 is fixed in the sound chute 14.
  • the speaker box 3 is provided with a sound outlet 31 for sound; the sound outlet 31 is opened toward the side wall 12.
  • the sound guide tube 4 is fixed to the speaker box 3 and communicates with the sound outlet 31. More specifically, the sound guide tube 4 is fixed in the sound outlet slide 14; the sound outlet 5 Set in the sound guide tube 4.
  • the sound emitting part 5 includes a hollow housing 51 and a sound port 52 penetrating the housing 51.
  • the housing 51 is sleeved on an end of the sound guide tube 4 away from the speaker box 3 and connects the sound port 52 with the sound guide tube 4, and the sound port 52 opens toward the screen 2.
  • the housing 51 includes an upper surface wall 511 close to the screen 2, a lower surface wall 512 disposed opposite to the upper surface wall 511, and a side surface wall connecting the upper surface wall 511 and the lower surface wall 512 513.
  • the sound port 52 is opened on the upper surface wall 511, and the side surface wall 513 is provided with a sleeve opening 5130 and sleeved on the sound guide tube 4.
  • the sound output direction of the sound port 52 is perpendicular to the screen 2.
  • the driving motor 6 is installed in the receiving space 10.
  • the driving motor 6 is a stepping motor, which has high sensitivity and good controllability.
  • the driving motor 6 is connected to the sound emitting part 5 to drive the sound emitting part 5 to move along the sound guide tube 4, and more specifically, the sound emitting part 5 along the sound emitting slide 14 It slides in the axial direction, and makes the sound emitting part 5 extend out of the receiving space 10 or retract into the receiving space 10 through the opening 13.
  • the outer surface of the sound guide tube 4 is recessed to form a slide groove 40, and the slide groove 40 extends from the end of the sound guide tube 4 close to the sound port 52 toward the speaker box 3,
  • the sound emitting part 5 is sleeved in the sliding groove 40, that is, the sleeve opening 5130 is sleeved in the sliding groove 40.
  • the above-mentioned setting of the chute 40 is equivalent to giving way to the sound-producing part 5, and without increasing the overall thickness of the mobile terminal 100, it ensures that the sound-producing part 5 and the sound guide
  • the reliability of the sleeve assembly between the tubes 4; in addition, the sliding groove 40 can guide the movement of the sound emitting part 5, effectively improving the reliability of its extension and retraction.
  • the driving motor 6 drives the sound emitting part 5 to extend out of the receiving space 10, that is, the sound port 52 extends out of the receiving space 10 and In communication with the outside air, the speaker box 3 generates sound through the sound outlet 31, the sound guide tube 4, and the sound port 52 in turn.
  • the sound port 52 is set toward the screen 2 to realize the screen Side sound structure, the screen side sound structure is arranged on the side of the screen 2 without slits on the screen, which releases the design of the screen 2, thereby providing conditions for the mobile terminal 100 to implement a full-screen structure; At the same time, the design of the sound port 52 is not restricted by the narrow slits of the entire screen, so that the acoustic performance of the mobile terminal 100 is not restricted by the slits, which effectively optimizes the acoustic performance of the mobile terminal 100.
  • 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 sound emitting part 5 when the sound emitting part 5 is retracted into the receiving space 10, the sound emitting part 5 is completely contained in the sound emitting slide 14 and the sound emitting part 5 is far away from the speaker box One side of 3 is flush with the opening 13, which improves the overall beauty of the appearance of the mobile terminal 100.
  • the sound outlet of the speaker box is opened toward the side wall, and a sound guide tube and a sound part with a sound opening are also provided, and the sound guide tube is fixed to the side wall.
  • the speaker box is in communication with the sound outlet of the speaker box, the sound outlet is sleeved on the sound guide tube, and the sound opening is connected to the sound guide tube, and the drive motor is connected to the sound guide tube.
  • the sound output part is connected to drive the sound output part to move along the sound guide tube, and make the sound output part extend out of the receiving space or retract into the receiving space through the opening, In this way, the full screen structure is realized while the sound structure on the side of the screen is realized, which is no longer limited by the size of the narrow slit of the whole machine.
  • the stereo effect is improved while avoiding the problem of stereo piano noise caused by the narrow slit, and the overall performance is better.

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

Abstract

本实用新型提供了一种移动终端，其包括外壳、盖设于外壳并与外壳共同围成收容空间的屏幕以及固定于收容空间内的扬声器箱，扬声器箱设有出声口；外壳包括底壁、由底壁周缘弯折延伸的侧壁以及贯穿侧壁设置的开口，屏幕支撑于侧壁，出声口朝向侧壁开设；移动终端还包括固定于扬声器箱并与出声口连通的导声管、套设于导声管的出声部和安装于收容空间内的驱动电机；出声部包括壳体和贯穿壳体的声口，壳体套设于导声管，并使声口与导声管连通，声口朝向屏幕开设；驱动电机与出声部连接用以驱动出声部沿导声管运动，并使得出声部经开口伸出至收容空间外或缩回至收容空间内。与相关技术相比，本实用新型的移动终端声学性能好且实现全屏幕。

Description

移动终端 技术领域
本实用新型涉及声电领域，尤其涉及一种便携式的移动终端。
 背景技术
随着移动互联网时代的到来，智能移动设备的数量不断上升。而在众多移动设备之中，手机无疑是最常见、最便携的移动终端。目前，手机的功能极其多样，其中之一便是高品质的音乐功能，因此，用于播放声音的扬声器箱被大量应用到现在的移动设备之中。
相关技术的移动终端包括壳体、盖设于所述壳体并与所述壳体共同围成收容空间的屏幕以及安装于所述收容空间内的扬声器箱，为了使所述屏幕设计尽可能大甚至达到全屏，相关技术中在所述屏幕上开设窄缝，并使所述扬声器箱的出声孔与所述窄缝连通，从而形成窄缝出声结构。
然而，上述出声结构中，由于所述窄缝作为所述移动终端整机的出声结构，其尺寸太小，所述扬声器箱在大振幅下容易产生钢琴音杂音，且整机屏幕的一端仍被占用，并未真正实现全屏。
因此，实有必要提供一种新的移动终端解决上述技术问题。
 技术问题
本实用新型的目的在于提供一种声学性能好且实现全屏幕的移动终端。
 技术解决方案
为了达到上述目的，本实用新型提供了一种移动终端，其包括外壳、盖设于所述外壳并与所述外壳共同围成收容空间的屏幕、安装固定于所述收容空间内的扬声器箱、导声管、出声部以及驱动电机，所述扬声器箱设有用于出声的出声口；所述外壳包括底壁、由所述底壁周缘弯折延伸的侧壁以及贯穿所述侧壁设置的开口，所述屏幕盖设支撑于所述侧壁，所述出声口朝向所述侧壁开设；所述导声管固定于所述扬声器箱并与所述出声口连通，所述出声部套设于所述导声管；所述出声部包括呈中空状的壳体和贯穿所述壳体的声口，所述壳体套设于所述导声管远离所述扬声器箱一端，并使所述声口与所述导声管连通，所述声口朝向所述屏幕开设；所述驱动电机安装于所述收容空间内，所述驱动电机与所述出声部连接用以驱动所述出声部沿所述导声管运动，并使得所述出声部经所述开口伸出至所述收容空间外或缩回至所述收容空间内。
优选的，所述外壳还包括由所述底壁延伸并形成于所述收容空间内的出声滑道，所述出声滑道与所述开口正对设置，所述扬声器箱和所述导声管固定于所述出声滑道内，所述出声部沿所述出声滑道的轴向滑动。
优选的，所述出声部缩回至所述收容空间内时，所述出声部完全收容于所述出声滑道内且所述出声部远离所述扬声器箱的一侧与所述开口平齐。
优选的，所述壳体包括靠近所述屏幕的上表壁、与所述上表壁相对设置的下表壁以及连接所述上表壁与所述下表壁的侧表壁，所述声口开设于所述上表壁，所述侧表壁设有套口并套设于所述导声管。
优选的，所述导声管的外表面凹陷形成滑槽，所述滑槽由所述导声管靠近所述声口的一端向靠近所述扬声器箱的方向延伸，所述出声部套设于所述滑槽内。
优选的，所述声口的出声方向垂直于所述屏幕。
优选的，所述驱动电机为步进电机。
 有益效果
与相关技术相比，本实用新型的移动终端中，扬声器箱的出声口朝向所述侧壁开设，还设置了导声管和具有声口的出声部，所述导声管固定于所述扬声器箱并与所述扬声器箱的出声口连通，所述出声部套设于所述导声管，并使所述声口与所述导声管连通，所述驱动电机与所述出声部连接用以驱动所述出声部沿所述导声管作运动，并使得所述出声部经所述开口伸出至所述收容空间外或缩回至所述收容空间内，从而实现了全屏结构的同时实现屏幕侧发声结构，不再受整机窄缝尺寸的限制，提升了立体声效果的同时避免了窄缝出声的立体声钢琴音杂音问题，整体性能更优。
 附图说明
为了更清楚地说明本实用新型实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本实用新型的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图，其中：
图1为本实用新型移动终端的立体结构示意图；
图2为本实用新型移动终端的部分立体结构分解图；
图3为本实用新型移动终端的部分立体结构另一分解图；
图4为沿图1中A-A线的剖示图；
图5为图4中B所示部分放大图；
图6为图5另一状态示意图；
图7为本实用新型移动终端与相关技术的窄缝出声移动终端的出声效果曲线图。
 本发明的实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本实用新型的一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其它实施例，都属于本实用新型保护的范围。
请同时参阅图1-6，本实用新型提供了一种移动终端100，包括外壳1、屏幕2、扬声器箱3、导声管4、出声部5以及驱动电机6。所述屏幕2盖设于所述外壳1并与所述外壳1共同围成收容空间10。
具体的，所述外壳1包括底壁11、由所述底壁11周缘弯折延伸的侧壁12、贯穿所述侧壁12设置的开口13以及由所述底壁11延伸并形成于所述收容空间10内的出声滑道14。
所述屏幕2盖设支撑于所述侧壁12，图2中仅示屏幕2的部分结构。
所述扬声器箱3安装于所述收容空间10内，更具体的，所述扬声器箱3固定于所述出声滑道14内。所述扬声器箱3设有用于出声的出声口31；所述出声口31朝向所述侧壁12开设。
所述导声管4固定于所述扬声器箱3并与所述出声口31连通，更具体的，所述导声管4固定于所述出声滑道14内；所述出声部5套设于所述导声管4。
在本实施方式中，所述出声部5包括呈中空状的壳体51和贯穿所述壳体51的声口52。所述壳体51套设于所述导声管4远离所述扬声器箱3一端，并使所述声口52与所述导声管4连通，所述声口52朝向所述屏幕2开设。
所述壳体51包括靠近所述屏幕2的上表壁511、与所述上表壁511相对设置的下表壁512以及连接所述上表壁511与所述下表壁512的侧表壁513，所述声口52开设于所述上表壁511，所述侧表壁513设有套口5130并套设于所述导声管4。
更优的，本实施方式中，所述声口52的出声方向垂直于所述屏幕2开设。
所述驱动电机6安装于所述收容空间10内。本实施方式中，所述驱动电机6为步进电机，灵敏度高且可控性好。
所述驱动电机6与所述出声部5连接用以驱动所述出声部5沿所述导声管4运动，更具体的，所述出声部5沿所述出声滑道14的轴向滑动，并使得所述出声部5经所述开口13伸出至所述收容空间10外或缩回至所述收容空间10内。
更选的，所述导声管4的外表面凹陷形成滑槽40，所述滑槽40由所述导声管4靠近所述声口52的一端向靠近所述扬声器箱3的方向延伸，所述出声部5套设于所述滑槽40内，即所述套口5130套设于所述滑槽40内。上述的滑槽40的设置相当于对所述出声部5进行了让位，在不增加该移动终端100在整体上的厚度的条件下，保证了所述出声部5与所述导声管4之间套设装配的可靠性；另外，该滑槽40能够对所述出声部5的运动其到导向作用，有效提高其伸出和缩回的可靠性。
也就是说，当所述扬声器箱3工作时，所述驱动电机6驱动所述出声部5伸出至所述收容空间10外时，即所述声口52伸出至收容空间10外并与外界空气连通，所述扬声器箱3依次通过所述出声口31、所述导声管4和所述声口52实现发声，所述声口52朝向所述屏幕2设置，即实现了屏幕侧发声结构，该屏幕侧发声架构设置于所述屏幕2的侧面，不需要在屏幕上开窄缝，释放了所述屏幕2的设计，从而为所述移动终端100实现全屏结构提供了条件；同时，所述声口52的设计不受整机屏幕窄缝的限制，从而使得所述移动终端100的声学性能不受窄缝的限制，有效地优化了所述移动终端100的声学性能。
请结合图7所示，曲线a为本实用新型移动终端的声学性能曲线图，曲线b为现有技术移动终端的声学性能曲线图。由图7可知本实用新型的上述全屏结构的屏幕侧发声的移动终端100其声学性能稳定。
当所述扬声器箱3不工作时，所述驱动电机6驱动所述出声部5缩回至所述收容空间10内时，即所述声口52缩回至所述收容空间10内，此时，所述声口52可抵接于所述屏幕2，也就是说，此时所述上表壁511与所述下表壁512分别抵接于所述屏幕2和所述外壳1的底壁11。此结构设计可使扬声器箱3与摄像头等器件融合一起并实现整机全面屏结构。
更优的，所述出声部5缩回至所述收容空间10内时，所述出声部5完全收容于所述出声滑道14内且所述出声部5远离所述扬声器箱3的一侧与所述开口13平齐，提高所述移动终端100的外观整体美感。
与相关技术相比，本实用新型的移动终端中，扬声器箱的出声口朝向所述侧壁开设，还设置了导声管和具有声口的出声部，所述导声管固定于所述扬声器箱并与所述扬声器箱的出声口连通，所述出声部套设于所述导声管，并使所述声口与所述导声管连通，所述驱动电机与所述出声部连接用以驱动所述出声部沿所述导声管作运动，并使得所述出声部经所述开口伸出至所述收容空间外或缩回至所述收容空间内，从而实现了全屏结构的同时实现屏幕侧发声结构，不再受整机窄缝尺寸的限制，提升了立体声效果的同时避免了窄缝出声的立体声钢琴音杂音问题，整体性能更优。
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。

Claims (7)

  1. 一种移动终端，其包括外壳、盖设于所述外壳并与所述外壳共同围成收容空间的屏幕以及安装固定于所述收容空间内的扬声器箱，所述扬声器箱设有用于出声的出声口，其特征在于，所述外壳包括底壁、由所述底壁周缘弯折延伸的侧壁以及贯穿所述侧壁设置的开口，所述屏幕盖设支撑于所述侧壁，所述出声口朝向所述侧壁开设；所述移动终端还包括固定于所述扬声器箱并与所述出声口连通的导声管、套设于所述导声管的出声部和安装于所述收容空间内的驱动电机；所述出声部包括呈中空状的壳体和贯穿所述壳体的声口，所述壳体套设于所述导声管远离所述扬声器箱一端，并使所述声口与所述导声管连通，所述声口朝向所述屏幕开设；所述驱动电机与所述出声部连接用以驱动所述出声部沿所述导声管运动，并使得所述出声部经所述开口伸出至所述收容空间外或缩回至所述收容空间内。
  2. 根据权利要求1所述的移动终端，其特征在于，所述外壳还包括由所述底壁延伸并形成于所述收容空间内的出声滑道，所述出声滑道与所述开口正对设置，所述扬声器箱和所述导声管固定于所述出声滑道内，所述出声部沿所述出声滑道的轴向滑动。
  3. 根据权利要求2所述的移动终端，其特征在于，所述出声部缩回至所述收容空间内时，所述出声部完全收容于所述出声滑道内且所述出声部远离所述扬声器箱的一侧与所述开口平齐。
  4. 根据权利要求1所述的移动终端，其特征在于，所述壳体包括靠近所述屏幕的上表壁、与所述上表壁相对设置的下表壁以及连接所述上表壁与所述下表壁的侧表壁，所述声口开设于所述上表壁，所述侧表壁设有套口并套设于所述导声管。
  5. 根据权利要求1所述的移动终端，其特征在于，所述导声管的外表面凹陷形成滑槽，所述滑槽由所述导声管靠近所述声口的一端向靠近所述扬声器箱的方向延伸，所述出声部套设于所述滑槽内。
  6. 根据权利要求1所述的移动终端，其特征在于，所述声口的出声方向垂直于所述屏幕。
  7. 根据权利要求1所述的移动终端，其特征在于，所述驱动电机为步进电机。
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CN213938240U (zh) * 2020-11-30 2021-08-10 瑞声科技(新加坡)有限公司 一种扬声器箱及移动终端
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