WO2018227434A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2018227434A1
WO2018227434A1 PCT/CN2017/088269 CN2017088269W WO2018227434A1 WO 2018227434 A1 WO2018227434 A1 WO 2018227434A1 CN 2017088269 W CN2017088269 W CN 2017088269W WO 2018227434 A1 WO2018227434 A1 WO 2018227434A1
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WO
WIPO (PCT)
Prior art keywords
sound
electronic device
hole
housing
microphone
Prior art date
Application number
PCT/CN2017/088269
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English (en)
French (fr)
Inventor
王波
白英民
徐阳
Original Assignee
华为技术有限公司
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.)
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Publication date
Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to PCT/CN2017/088269 priority Critical patent/WO2018227434A1/zh
Priority to CN201780010563.0A priority patent/CN109076274A/zh
Publication of WO2018227434A1 publication Critical patent/WO2018227434A1/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
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor
    • H04R1/083—Special constructions of mouthpieces
    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/08—Mouthpieces; Microphones; Attachments therefor

Definitions

  • the present application relates to the field of mechanical structures, and in particular to an electronic device.
  • the design of the microphone sound guiding channel of electronic devices mainly considers the acoustic performance of the microphone, the sealing effect of the microphone and the casing, and the sealing isolation effect of the microphone and the earpiece.
  • the microphone channel of the electronic device in the prior art is a single sound guiding channel, but the single sound guiding channel is easily blocked by the user's finger, causing the call to be silent, which seriously affects the call quality.
  • the embodiment of the present application provides an electronic device, which can still effectively collect sounds by using other channels when the sound guiding channel of the microphone is blocked, thereby ensuring the quality of the user's call.
  • the application provides an electronic device including: a housing, a microphone and a PCB.
  • the microphone is sealed by a silicone sleeve and disposed on the PCB;
  • the silicone sleeve is provided with a sound guiding hole, and the sound guiding hole is aligned with the sound collecting hole on the casing to form a sound guiding passage;
  • the housing is further provided with a USB jack or a headphone jack, a USB jack or a headphone jack and a sound collecting hole on the same side of the housing;
  • a sound guiding groove is also formed in the housing, and one end of the sound guiding groove is electrically connected to the sound collecting hole. The other end is connected to the USB jack or the headphone jack.
  • the microphone when the microphone picks up the sound, if the sound collecting hole is blocked and cannot pick up the sound, since the USB jack and the sound guiding groove 305 on the casing are turned on, the microphone can pass through the sound guiding groove by means of the USB jack. Then, through the sound guiding hole on the silicone sleeve, the sound is normally picked up, thereby ensuring the quality of the user's call and improving the user's calling experience.
  • the above-mentioned sound guiding groove may have a width of 0.6 mm and a depth of 0.3 mm. This can be advantageous for miniaturization of electronic devices.
  • the above-mentioned sound guiding groove is a U-shaped groove or a groove of other shapes.
  • the microphone is connected to an audio circuit on the PCB.
  • the sound guiding grooves are respectively bonded to the dustproof net and the PET sheet by double-sided tape.
  • the PET sheet described above has a thickness of 0.2 mm.
  • the above electronic device may be a mobile phone.
  • FIG. 1 is a schematic diagram showing the hardware structure of a mobile phone 100 in some embodiments
  • 2A-2B are schematic diagrams showing the appearance of a mobile phone 100 in some embodiments.
  • 3 is a cross-sectional view showing the hardware structure of the mobile phone 100 in some embodiments.
  • FIG. 4 is a schematic diagram of splitting of related hardware structures of the mobile phone 100 of some embodiments.
  • the electronic device in the embodiment of the present application may be the mobile phone 100 .
  • the embodiment will be specifically described below by taking the mobile phone 100 as an example. It should be understood that the illustrated mobile phone 100 is only one example of an electronic device, and the mobile phone 100 may have more or fewer components than those shown in the figures, two or more components may be combined, or Has a different component configuration.
  • the mobile phone 100 may specifically include: a processor 101, a radio frequency circuit 102, a memory 103, a touch screen 104 (including specifically a touch panel 104-1 and a display 104-2), a Bluetooth device 105, and one or more sensors. 106, WI-FI device 107, positioning device 108, audio circuit 109, peripheral interface 110, power system 111, and fingerprint acquisition device 112 and the like. These components can communicate over one or more communication buses or signal lines (not shown in Figure 1). It will be understood by those skilled in the art that the hardware structure shown in FIG. 1 does not constitute a limitation on the mobile phone 100, and the mobile phone 100 may include more or less components than those illustrated, or combine some components, or different component arrangements. .
  • the mobile phone 100 may further include a camera (front camera and/or rear camera), a flash, a micro projection device, a near field communication (NFC) device, an earpiece, etc., and no longer Narration.
  • a camera front camera and/or rear camera
  • a flash may further include a camera (front camera and/or rear camera), a flash, a micro projection device, a near field communication (NFC) device, an earpiece, etc., and no longer Narration.
  • NFC near field communication
  • the audio circuit 109, the speaker 113, and the microphone 114 can provide an audio interface between the user and the mobile phone 100.
  • the microphone 114 may have an analog-to-digital converter built therein, convert the sound signal (ie, analog signal) into a digital signal, receive it by the audio circuit 109, convert it into audio data, and output the audio data to the RF circuit 102 for transmission to another electronic device. (for example, a mobile phone), or output audio data to the memory 103, which is stored by the memory 103 for further processing; on the other hand, the audio circuit 109 can convert the received audio data into an electrical signal for transmission to the speaker 113, by the speaker 113. Convert to sound signal output.
  • the mobile phone 100 includes a touch display screen 210 having a function of detecting a touch operation and displaying interactive content.
  • the side of the mobile phone 100 can be provided with an on/off key 220, a volume key 230, and a lock screen/unlock button.
  • the mobile phone 100 may further include virtual optical buttons such as a return key 250, a home key 260, and a menu key 270.
  • FIG. 2B it is a bottom view of the mobile phone 100.
  • a universal serial bus (USB) jack 201 In order to simplify the appearance of the mobile phone 100, a universal serial bus (USB) jack 201, a headphone jack 202, and a pickup are disposed on the casing of the mobile phone 100.
  • the sound holes 203, the three can be placed on the same side.
  • the user's hand may accidentally block the sound collecting hole 203, so that the sound of the microphone 114 of the mobile phone 100 is blocked when it is picked up through the sound collecting hole 203, resulting in a call. Poor technical problems.
  • the mobile phone 100 may include a housing 301 on which a printed circuit board (PCB) 302 is fixed, and the microphone 114 is fixedly disposed on the PCB 302.
  • the microphone 114 (not shown in FIG. 3) is sealed by a material such as a silicone sleeve or a foam, and the silicone sleeve 304 is provided with a sound guiding hole 303, and the sound guiding hole 303 and the housing 301 are picked up.
  • PCB printed circuit board
  • the holes 203 are aligned to form a sound guiding channel, and the microphone 114
  • the sound of the user's speech can be picked up through the sound guiding channel (as indicated by the arrow), and the microphone converts the sound signal into a digital signal after collecting the user's voice, and then receives the audio signal and converts it into audio data.
  • the casing 301 is provided with a sound guiding groove 305, and the sound guiding groove 305 is provided. Specifically, it may be a U-shaped groove dug in the casing 301.
  • the sound guiding groove 305 may have a width of 0.6 mm and a depth of 0.3 mm.
  • One end of the sound guiding groove 305 is electrically connected to the sound collecting hole 203, and the other end is electrically connected to the USB jack 201.
  • FIG. 4 it is a split schematic diagram (explosion map) of the related hardware structure of the mobile phone 100.
  • a dustproof net (not shown) and a PET sheet 306 made of a resin material may be separately adhered to the sound guiding groove by double-sided tape.
  • the PET sheet 306, the double-sided tape 307, and the dustproof net are respectively provided with through holes having the same size and shape as the sound collecting holes 203, so that a sound guiding channel can be formed. .
  • the sound guiding grooves 305 respectively intersect the sound collecting hole 203 and the USB jack 201, when the sound is picked up by the microphone 114, if the sound collecting hole 203 is blocked and cannot be picked up, due to the USB jack 201 and the case
  • the sound guiding groove 305 of the body 301 is turned on, and the microphone 114 can normally pick up the sound through the sound guiding groove 305 through the USB jack, and then through the sound guiding hole 303 on the silicone sleeve 304, thereby ensuring the user's call. Quality also improves the user's calling experience.
  • the microphone 114 can simultaneously pick up sounds from the sound collecting hole 203 and the USB jack 201 through the sound guiding groove 305, which can also enhance the mobile phone 100.
  • the ability to pick up sounds greatly enhances the user experience.
  • the PET sheet 306 in order not to affect the sealing effect of the silicone sleeve 304, the PET sheet 306 needs to have a certain strength, and generally a PET sheet having a thickness of 0.2 mm or more is used, so that interference between the silicone sleeve 304 and the PET sheet 306 does not cause PET.
  • the sheet 306 is deformed to ensure the effect of pickup.
  • the USB jack also needs to be sealed and waterproof and dustproof with a silicone sleeve, foam, etc., and the housing 301 of the mobile phone 100 is sealed reliably, and the sound of the earpiece is prevented from entering the USB holder or the earphone holder from the inside of the housing to generate an echo risk.
  • a hydrophobic air filter is bonded inside the silicone sleeve 304 to prevent impurities and liquid from entering the silicone sleeve 304 through the sound guiding hole 303.
  • the groove is not limited to a square groove, and may be a groove of a shape such as an arc groove or a U-shaped groove.
  • the shape of the groove is not specifically limited in the present application.
  • the mobile phone 100 may include a hollow tube for replacing the sound guiding groove 305 in the above embodiment for the purpose of guiding sound.
  • the hollow tube may be a plastic tube having a thickness of 0.2 mm, and the hollow portion may have a diameter of 0.6 mm.
  • the plastic tube is fixed on the housing 301. One end of the plastic tube is electrically connected to the sound collecting hole 203, and the other end is electrically connected to the USB jack 201.
  • the plastic tube functions the same as the above-described sound guiding groove 305.
  • the other end of the sound guiding groove 305 or the plastic tube may be electrically connected to the earphone hole.
  • the microphone 114 can pass through the sound guiding groove 305 by means of the earphone hole. (or plastic tube), through the sound hole 303 on the silicone sleeve 304 to normally pick up the sound, thereby ensuring the quality of the user's call, and also improve the user's call experience.
  • the microphone 114 can simultaneously pick up sound from the sound collecting hole 203 and the earphone hole through the sound guiding groove 305 (or a plastic tube), which can also be enhanced.
  • the pickup capability of the mobile phone 100 also improves the user experience.

Abstract

一种电子设备(100)，该电子设备(100)包括：壳体(301)，麦克风(114)及PCB板(302)。其中，麦克风(114)通过硅胶套密封，并被设置于PCB板(302)上；硅胶套设有导音孔(303)，所述导音孔(303)与壳体上的拾音孔(203)对齐，形成导音通道；壳体上还设置有USB插孔(201)或耳机孔(202)，USB插孔(201)或耳机孔(202)与拾音孔(203)在壳体(301)的同一个侧面上；壳体(301)上还开设有导音沟槽(305)，导音沟槽(305)的一端与拾音孔(203)导通，另一端与USB插孔(201)或耳机孔(202)导通。这样，麦克风(114)在拾取声音时，如果拾音孔(203)被堵住而无法拾音，由于USB插孔(201)和壳体(301)上的导音沟槽(305)导通，麦克风(114)可以借助于USB插孔(201)，经过导音沟槽(305)，再通过硅胶套上的导音孔(303)来正常拾取声音，从而保证了用户的通话质量，也提高了用户通话体验。

Description

电子设备 技术领域
本申请涉及机械结构领域，尤其涉及一种电子设备。
背景技术
目前，电子设备(例如手机、平板电脑等)的麦克风导音通道设计，主要考虑的是麦克风声学性能、麦克风与壳体的密封效果，以及麦克风与听筒的密封隔离效果。现有技术中的电子设备的麦克风声道为单一的导音通道，但是单一导音通道容易被用户手指堵住，造成通话无声，严重影响了通话质量。
发明内容
为解决上述技术问题，本申请实施例提供一种电子设备，当麦克风的导音通道被堵住时依然可以借助其他其他通道有效拾音，从而保证了用户通话质量。
本申请提供一种电子设备，该电子设备包括：壳体，麦克风及PCB板。其中，麦克风通过硅胶套密封，并被设置于PCB板上；硅胶套设有导音孔，所述导音孔与壳体上的拾音孔对齐，形成导音通道；壳体上还设置有USB插孔或耳机孔，USB插孔或耳机孔与拾音孔在壳体的同一个侧面上；壳体上还开设有导音沟槽，导音沟槽的一端与拾音孔导通，另一端与USB插孔或耳机孔导通。这样，麦克风在拾取声音时，如果拾音孔被堵住而无法拾音，由于USB插孔和壳体上的导音沟槽305导通，麦克风可以借助于USB插孔，经过导音沟槽，再通过硅胶套上的导音孔来正常拾取声音，从而保证了用户的通话质量，也提高了用户通话体验。
在一种可能的设计中，上述导音沟槽的宽度可以为0.6mm，深度可以为0.3mm。这样可以有利于电子设备的小型化。
在另外一种可能的设计中，上述导音沟槽为U型槽或其他形状的沟槽。
在一种可能的设计中，上述麦克风与PCB板上的音频电路连接。
在另外一种可能的设计中，所述导音沟槽用双面胶分别粘接防尘网和PET片。
在一种可能的设计中，上述PET片的厚度为0.2mm。
在一种可能的设计中，上述电子设备可以为手机。
附图说明
图1是一些实施例中手机100的硬件结构示意图；
图2A-2B是一些实施例中手机100的外观示意图；
图3是一些实施例中手机100的硬件结构剖面示意图；
图4是一些实施例手机100的相关硬件结构的拆分示意图。
具体实施方式
本申请实施例中所使用的术语只是为了描述特定实施例的目的，而并非旨在作为对本申请的限制。如在本申请的说明书和所附权利要求书中所使用的那样，单数表达形式“一个”、“一种”、“所述”、“上述”、“该”和“这一”旨在也包括复数表达形式，除非其上下文中明确地有相反指示。还应当理解，本申请中使用的术语“和/或”是指并包含一个或多个相绑定的列出项目的任何或所有可能组合。
如图1所示，本申请实施例中的电子设备可以为手机100。下面以手机100为例对实施例进行具体说明。应该理解的是，图示手机100仅是电子设备的一个范例，并且手机100可以具有比图中所示出的更多的或者更少的部件，可以组合两个或更多的部件，或者可以具有不同的部件配置。
如图1所示，手机100具体可以包括：处理器101、射频电路102、存储器103、触摸屏104(具体包括触控板104-1和显示器104-2)、蓝牙装置105、一个或多个传感器106、WI-FI装置107、定位装置108、音频电路109、外设接口110、电源系统111以及指纹采集器件112等部件。这些部件可通过一根或多根通信总线或信号线(图1中未示出)进行通信。本领域技术人员可以理解，图1中示出的硬件结构并不构成对手机100的限定，手机100可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。关于手机100上述部件的具体功能可以结合可以参见申请号为PCT/CN2017/077756，名称为“基于手势显示图形用户界面的方法及电子设备”的国际专利申请，其全部内容通过引用结合在本申请各个实施例中。
尽管图1未示出，手机100还可以包括摄像头(前置摄像头和/或后置摄像头)、闪光灯、微型投影装置、近场通信(near field communication，NFC)装置、听筒等，在此不再赘述。
以下实施例均可以在具有上述部件的电子设备中实现。
其中，音频电路109、扬声器113、麦克风114可提供用户与手机100之间的音频接口。麦克风114可以内置有模拟数字转换器，将声音信号(即模拟信号)转换为数字信号，由音频电路109接收后转换为音频数据，再将音频数据输出至射频电路102以发送给另一电子设备(例如手机)，或者将音频数据输出至存储器103，由存储器103进行存储以便进一步处理；另一方面，音频电路109可将接收到的音频数据转换成电信号，传输到扬声器113，由扬声器113转换为声音信号输出。
如图2A所示，为手机100在供电的情况下的示例性的主视图。在该图2A中，手机100包括触摸显示屏210，触摸显示屏210具有检测触摸操作和显示交互内容的功能，手机100的侧面可以设置开/关机键220、音量键230、锁屏/解锁键240等实体按键，手机100还可以包括返回键250、Home键260、菜单键270等虚拟光学按键。
如图2B所示，为该手机100的仰视图。在图2B中，示例性地，为了手机100在外观设计上的简洁美观，该手机100的壳体上设置有通用串行总线(universal serial bus，USB)插孔201、耳机插孔202和拾音孔203，三者可以被设置在同一个侧面上。在用户使用该手机100与他方进行通话时，用户的手可能会不小心堵住拾音孔203，这样该手机100的麦克风114在通过拾音孔203进行拾音时，声音被阻塞，导致通话不畅的技术问题。
如图3所示，为手机100的一部分硬件结构的剖面图。在图3中，手机100可以包括壳体301，印刷电路板(printed circuit board，PCB)302固定在壳体301上，麦克风114固定设置在PCB 302上。其中，麦克风114(图3中未示出)被硅胶套或者泡棉等可以产生形变的材料密封，硅胶套304上设有导音孔303，该导音孔303与壳体301上的拾音孔203对齐，进而形成导音通道，麦克风114 能够通过该导音通道拾取用户说话的声音(如图箭头所述)，麦克风在采集到用户的声音后将声音信号转换为数字信号，再由音频电路109接收后转换为音频数据。
如图3所示，由于USB插孔201与拾音孔203被设置在手机100的壳体301的同一个侧面上，在该壳体301设置有导音沟槽305，该导音沟槽305具体可以是在壳体301上挖出的一个U型槽。该导音沟槽305的宽度可以为0.6mm，深度可以为0.3mm。导音沟槽305的一端与拾音孔203导通，另一端可以与USB插孔201导通。如图4所示，为手机100的相关硬件结构的拆分示意图(爆炸图)。在导音沟槽上可以用双面胶分别粘接防尘网(图中未示出)和树脂材料制成的PET片306。在与硅胶套304的导音孔303对应的位置上，上述PET片306、双面胶307、防尘网均开设有与拾音孔203大小、形状相同的通孔，这样可以形成导音通道。另外，由于导音沟槽305分别与拾音孔203及USB插孔201交汇，因此，麦克风114在拾取声音时，如果拾音孔203被堵住而无法拾音，由于USB插孔201和壳体301上的导音沟槽305导通，麦克风114可以借助于USB插孔，经过导音沟槽305，再通过硅胶套304上的导音孔303来正常拾取声音，从而保证了用户的通话质量，也提高了用户通话体验。
在另外的一些实施例中，当拾音孔203没有被堵住时，麦克风114可以通过导音沟槽305同时拾取来自拾音孔203和USB插孔201的声音，这样也可以增强手机100的拾音能力，极大提高了用户的体验。
在另外的一些实施例中，为了不影响硅胶套304的密封效果，PET片306需要有一定的强度，一般选用0.2mm厚度以上的PET片，如此硅胶套304和PET片306干涉不会导致PET片306产生形变，从而保证了拾音的效果。另外，USB插孔也需要有硅胶套、泡棉等密封防水防尘，和手机100的壳体301密封可靠，避免听筒的声音从壳体内部进入USB座或者耳机座产生回声风险。一般在硅胶套304内部粘接疏水防尘网，避免杂质、液体通过导音孔303进入硅胶套304。
可以理解的是，在本申请上述实施例中，沟槽不限于方形槽，也可以为弧形槽、U型槽等其他形状沟槽，本申请对沟槽的形状不做具体限定。
在本申请另外一些实施例中，手机100可以包括一根中空的管子，用于代替上述实施例中的导音沟槽305来实现导音的目的。该中空的管子可以是厚度为0.2mm的塑料管，中空部分的直径可以为0.6mm。该塑料管固定在壳体301上，该塑料管的一端与拾音孔203导通，另一端与USB插孔201导通。该塑料管所起到的作用于上述导音沟槽305相同。
在本申请另外一些实施例中，上述导音沟槽305或者塑料管的另一端可以与耳机孔导通。这样如果拾音孔203被堵住而无法拾音，由于耳机孔和壳体301上的导音沟槽305(或者塑料管)导通，麦克风114可以借助于耳机孔，经过导音沟槽305(或者塑料管)，再通过硅胶套304上的导音孔303来正常拾取声音，从而保证了用户的通话质量，也提高了用户通话体验。
在另外的一些实施例中，当拾音孔203没有被堵住时，麦克风114可以通过导音沟槽305(或者塑料管)同时拾取来自拾音孔203和耳机孔的声音，这样也可以增强手机100的拾音能力，同时提高了用户的体验。
为了解释的目的，前面的描述是通过参考具体实施例来进行描述的。然而，上面的示例性的讨论并非意图是详尽的，也并非意图要将本申请限制到所公开的精确形式。根据以上教导内容，很多修改形式和变型形式都是可能的。选择和描述实施例是为了充分阐明本申请的原理及其实际应用，以由此使得本领域的其他技术人员能够充分利用具有适合于所构想的特定用途的各种修改的本申请以及各种实施例。

Claims (7)

  1. 一种电子设备，所述电子设备包括：
    壳体，麦克风及PCB板，所述麦克风通过硅胶套密封，并被设置于所述PCB板上；
    所述硅胶套设有导音孔，所述导音孔与所述壳体上的拾音孔对齐，形成导音通道；
    所述壳体上还设置有USB插孔或耳机孔，所述USB插孔或耳机孔与所述拾音孔在所述壳体的同一个侧面上；
    所述壳体上还开设有导音沟槽，所述导音沟槽的一端与所述拾音孔导通，另一端与所述USB插孔或耳机孔导通。
  2. 根据权利要求1所述的电子设备，其特征在于：所述导音沟槽的宽度为0.6mm，深度为0.3mm。
  3. 根据权利要求1或2所述的电子设备，其特征在于：所述导音沟槽为U型槽。
  4. 如权利要求1所述的电子设备，其特征在于，所述麦克风与PCB板上的音频电路连接。
  5. 如权利要求1所述的电子设备，其特征在于，所述导音沟槽用双面胶分别粘接防尘网和PET片。
  6. 如权利要求5所述的电子设备，其特征在于，所述PET片的厚度为0.2mm。
  7. 如权利要求1所述的电子设备，其特征在于，所述电子设备为手机。
PCT/CN2017/088269 2017-06-14 2017-06-14 电子设备 WO2018227434A1 (zh)

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CN112399733A (zh) * 2019-08-16 2021-02-23 Oppo（重庆）智能科技有限公司 一种电子设备
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CN205123958U (zh) * 2015-11-02 2016-03-30 维沃移动通信有限公司 一种麦克风音腔结构及耳机
CN105611012A (zh) * 2016-01-29 2016-05-25 青岛海信移动通信技术股份有限公司 移动终端
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