WO2018188205A1 - 带骨传导扬声器的手机 - Google Patents

带骨传导扬声器的手机 Download PDF

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Publication number
WO2018188205A1
WO2018188205A1 PCT/CN2017/091727 CN2017091727W WO2018188205A1 WO 2018188205 A1 WO2018188205 A1 WO 2018188205A1 CN 2017091727 W CN2017091727 W CN 2017091727W WO 2018188205 A1 WO2018188205 A1 WO 2018188205A1
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WIPO (PCT)
Prior art keywords
mobile phone
bone conduction
speaker
conduction speaker
main board
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PCT/CN2017/091727
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English (en)
French (fr)
Inventor
魏谨守
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深圳捷仕科技有限公司
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Publication of WO2018188205A1 publication Critical patent/WO2018188205A1/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
    • H04M1/03—Constructional features of telephone transmitters or receivers, e.g. telephone hand-sets
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
    • H04M1/725—Cordless telephones

Definitions

  • the present invention relates to the technical field of mobile communication products, and in particular, to a mobile phone with a bone conduction speaker.
  • the existing mobile phone horn usually sounds through vibration, and after receiving the phone, it is necessary to put the earphone of the mobile phone against the ear hole or listen to music, and often wear headphones, so that the long ear has certain damage to the ear. It is generally known that a cell phone that listens to the ear for a long time can cause discomfort such as tinnitus. Moreover, mobile phones are subject to noisy environmental interference when they answer calls.
  • a mobile phone with a bone conduction speaker comprising a mobile phone case, a main board, a display screen and a first speaker, further comprising a distance sensor and a second speaker, wherein the second speaker is a bone conduction speaker, the distance sensor, The first speaker and the second speaker are respectively connected to the main board, the bone conduction speaker is connected with a control circuit board, the control circuit board includes a control switching circuit and a power amplification circuit, and the control switching circuit is connected with the distance sensor.
  • the distance sensor is configured to sense whether the mobile phone is attached to the ear, and the control switching circuit is configured to switch the sound signal to the bone conduction speaker after receiving the ear signal.
  • the power amplifying circuit is connected to the bone conduction speaker through a circuit contact, and the power amplifying circuit is connected to the main board through a lead wire.
  • the top of the bone conduction speaker has a bone conduction contact
  • the mobile phone case is provided with a line from the installation position of the bone conduction speaker to the edge of the mobile phone case and to the main board with a wire trough. Connecting the bone conduction contact to the main board through the line.
  • the first speaker includes a voice coil, a vibrating membrane and a magnetic element, and the first speaker is disposed at a position of the front surface of the mobile phone case near the lower side of the display screen.
  • the front surface of the mobile phone case is provided with a plurality of through holes under the display screen, and the through holes are opposite to the position of the voice coil, so that the sound of the first speaker is emitted from the front of the mobile phone.
  • the main board is configured to receive a signal from the distance sensor, and send a sound signal to the first speaker after receiving the signal of the mobile phone from the ear.
  • the bone conduction speaker includes a piezoelectric sensor.
  • the main board has an intercom function module and a mobile phone communication module.
  • the line is connected to a main board contact through a wire trough
  • the bone conduction speaker is connected to the main board through the main board contact
  • the wire trough extends to the main board contact position.
  • control circuit board is a flexible circuit board, the flexible circuit board extends out of the first extension portion and the second extension portion, and the end of the first extension portion is provided with two contact pins, two contact pins Electrically connecting from the bottom of the bone conduction speaker to the bone conduction speaker, the bottom of the bone conduction speaker is crimped to the two contact pins of the control circuit board, and the end of the second extension portion is provided with two electrical contacts, the two One electrical contact is connected to the motherboard.
  • the above mobile phone has both a bone conduction speaker and a common speaker, and the two are switched by the distance sensor sensing provided by the mobile phone.
  • the distance sensor senses the mobile phone attached to the ear, turns the black screen, and simultaneously switches the audio signal.
  • To the bone conduction speaker when the mobile phone is touched from the ear, the screen lights up, and the effect of automatic switching is achieved, and no manual button operation is required, which is convenient and quick.
  • the switch utilizes the distance sensor provided by the mobile phone, requires additional components, and has a simple and compact structure, fully embodying automation, intelligence and humanization.
  • DRAWINGS 1 is a front view of a mobile phone with a bone conduction speaker according to an embodiment of the present invention.
  • FIG. 2 is a schematic view showing the internal structure of a mobile phone removing back cover of the bone conduction speaker of FIG. 1.
  • FIG. 3 is a schematic structural view of the structure of FIG. 2 after removing a bone sensor (piezoelectric sensor). [0019] FIG.
  • FIG. 4 is a cross-sectional structural view taken along line AA' of FIG. 2.
  • FIG. 5 is a schematic structural view of a control circuit board of a bone conduction speaker in the mobile phone of FIG.
  • a mobile phone 10 with a bone conduction speaker of the present embodiment which includes a mobile phone case 11, a main board 12, a display screen 13 and a first speaker 15, and a distance sensor (not shown).
  • a second speaker 16 the second speaker 16 is a bone conduction speaker 16, the distance sensor, the first speaker 15 and the second speaker 16 are respectively connected to the main board 12, and the bone conduction speaker 16 is connected to one Control board.
  • the control circuit board 17 includes a control switching circuit 171 and a power amplifying circuit 1 72.
  • the control switching circuit 171 is respectively connected to a distance sensor, and the distance sensor is used to sense whether the mobile phone is attached to the ear.
  • the control switching circuit 171 is configured to switch the sound signal to the bone conduction speaker 16 after receiving the lug signal.
  • the mobile phone case 11 includes a front case 112 and a rear cover (not shown), and FIG. 2 shows an internal structure in which the rear cover is removed, and the display screen 13 is embedded in the front case 112.
  • the main board 12 is a mobile phone communication main board.
  • the main board of the embodiment has an intercom function module and a mobile phone communication module, and has dual functions of a walkie-talkie and a smart phone.
  • the bone conduction speaker 16 has a power amplifier, that is, the power amplifying circuit 172, and is connected to the power amplifying circuit 172 of the bone conduction speaker 16 through a circuit contact, and the power amplifying circuit is also connected to the main board 12 through a lead.
  • the bone conduction speaker 16 is a bone ear sensor, and preferably, the bone conduction speaker 16 includes a piezoelectric sensor.
  • the top of the bone conduction speaker 16 has a bone conduction contact 162 from the mounting position of the bone conduction speaker 16 to the edge of the mobile phone case 11 and to the main board 12.
  • a wire trough 161 is provided, and the wire trough 161 is embedded with a line through which the bone conduction contact 162 is connected to the main board 12, and the line is connected to a main board contact 165 through a wire trough,
  • the motherboard contact 165 is connected to the main board 12, that is, the routing slot 161 extends to the position of the main board contact 165.
  • FIG. 1 there are two bone conduction contacts 162, which are a positive contact and a negative contact, respectively.
  • the control circuit board 17 has two contact pins 175.
  • the control circuit board 17 is preferentially a flexible circuit board.
  • the control circuit board 17 is located at the side of the bone conduction speaker 16, and the flexible circuit board extends first.
  • the extension portion 174 is disposed at the extreme end of the first extension portion 174 and is respectively connected to the bone conduction speaker 16 .
  • the two contact pins 175 are electrically connected from the bottom of the bone conduction speaker 16 , that is, the bone conduction speaker 16 The bottom is crimped to the two contact pins 175 of the control circuit board 17, increasing electrical contact reliability.
  • the circuit board 17 also extends out of the second extension 176.
  • the end of the second extension 176 is provided with two electrical contacts 177, and the two electrical contacts 177 are connected to the main board 12.
  • the first speaker 15 includes a voice coil, a diaphragm, and a magnetic element, and the first speaker 15 is disposed at a position of the front of the mobile phone case 11 near the display screen 13. Further, the front surface of the mobile phone case 11 is provided with a plurality of through holes 152 under the display screen 13. The through holes 152 are opposite to the position of the voice coil, so that the sound of the first speaker 15 is emitted from the front of the mobile phone, thereby releasing the external sound. The sound is directly transmitted to the user, and the sound effect is more direct and real. When the user watches the mobile phone video or listens to the song, the sound is more loud from the front.
  • the distance sensor is mounted on the main board 12, receives the signal of the distance sensor through the main board 12, directly follows the distance sensor structure and technology of the existing mobile phone, has a simple structure, reduces the cost, and provides a production process. Convenience.
  • the main board 12 receives the signal from the ear sensor that is sensed by the distance sensor, and sends a sound signal to the first speaker 15, that is, the sound is emitted from the first speaker 15 below the mobile phone display screen 13, that is, as long as the ear does not When the mobile phone is attached, the sound is emitted through the first speaker 15. If the peer user is using the headset, the sound signal is connected to the headset and transmitted to the user's ear through the headset.
  • the control circuit board 17 detects the signal, i.e., activates the bone sensor to close the first speaker 15, and directly causes the bone conduction speaker 16 to operate.
  • the switching can be natural, convenient and fast, and the switching is actively implemented according to the user's own actions, without manual switching, which is very intelligent and user-friendly.
  • the mobile phone has both the bone conduction speaker 16 and the ordinary speaker 5, and the two are switched by the distance sensor sensing provided by the mobile phone 10, and the distance sensor senses that the mobile phone 10 is attached to the ear.
  • the black screen at the same time, switches the audio signal to the bone conduction speaker 16.
  • the switch utilizes the distance sensor provided by the mobile phone, requires additional components, and has a simple and compact structure, fully embodying automation, intelligence and humanization.

Abstract

本发明涉及一种带骨传导扬声器的手机，其包括手机壳、主板、显示屏、第一扬声器和骨传导扬声器，距离传感器及两个扬声器分别连接至主板，骨传导扬声器连接有一个控制电路板，其包括控制切换电路和功率放大电路，控制切换电路与距离传感器连接，距离传感器用于感测手机是否贴耳，控制切换电路用于在收到贴耳信号后将声音信号切换到骨传导扬声器。上述手机两种扬声器，通过手机自带的距离传感器感应来切换，自动且主动地切换，无需手动按键操作，方便快捷。而且，该切换利用手机自带的距离传感器，需要额外元件，结构简单紧凑，充分体现自动化、智能化和人性化。

Description

带骨传导扬声器的手机
技术领域
[0001] 本发明涉及移动通讯产品技术领域， 具体涉及一种带骨传导扬声器的手机。
背景技术
[0002] 如今， 手机作为一种通讯设备， 成为人们日常生活的不可或缺的一部分， 人们 除了使用手机进行通话， 还使用手机观看视频、 拍照和摄像。 当然， 手机最常 用的功能就是通话功能， 因此， 声音装置对于手机尤其重要。 然而， 目前的手 机基本上只有一个扬声器， 实现通话功能和音频视频的播放功能。
[0003] 现有的手机喇叭通常是通过振动发声， 接听电话吋需要将手机听筒贴着耳孔或 者听音乐吋需要常戴着耳机， 这样长吋间对耳朵有一定的伤害。 通常人们都知 道， 手机听久了耳朵会产生耳鸣等不适。 而且， 手机接听电话吋容易受到嘈杂 环境干扰。
[0004] 鉴于以上缺陷， 目前有手机采用骨传导扬声器配合普通扬声器， 然而， 现有的 骨传导扬声器与普通扬声器之间设置复杂的切换结构， 结构较复杂， 而且切换 采用按钮等， 操作复杂并不智能， 缺少人性化。
技术问题
[0005] 有鉴于此， 有必要提供一种结构简单紧凑、 自动切换、 操作简便的带骨传导扬 声器的手机。
问题的解决方案
技术解决方案
[0006] 一种带骨传导扬声器的手机， 其包括手机壳、 主板、 显示屏和第一扬声器， 还 包括距离传感器和第二扬声器， 所述第二扬声器为骨传导扬声器， 所述距离传 感器、 第一扬声器和第二扬声器分别连接至所述主板， 所述骨传导扬声器连接 有一个控制电路板， 所述控制电路板包括控制切换电路和功率放大电路， 所述 控制切换电路与距离传感器连接， 所述距离传感器用于感测手机是否贴耳， 所 述控制切换电路用于在收到贴耳信号后将声音信号切换到骨传导扬声器。 [0007] 进一步地， 所述功率放大电路通过电路触点连接于骨传导扬声器， 所述功率放 大电路通过引线连接于主板。
[0008] 进一步地， 所述骨传导扬声器顶部具有骨传导触点， 所述手机壳从骨传导扬声 器的安装位置到手机壳边缘以及到主板设有走线槽， 所述走线槽嵌有线路， 通 过所述线路将骨传导触点连接到主板。
[0009] 进一步地， 所述第一扬声器包括音圈、 振动膜和磁性元件， 所述第一扬声器设 于手机壳正面靠近显示屏下方位置。
[0010] 进一步地， 所述手机壳正面在显示屏下方设有多个通孔， 所述通孔与音圈位置 相对， 使得第一扬声器的声音从手机正面发出。
[0011] 进一步地， 所述主板用于接收距离传感器的信号， 并在收到手机离幵耳朵的信 号吋将声音信号发给第一扬声器。
[0012] 进一步地， 所述骨传导扬声器包括压电传感器。
[0013] 进一步地， 所述主板具有对讲功能模块和手机通讯模块。
[0014] 进一步地， 所述线路通过走线槽连接于一个主板触点， 通过所述主板触点将骨 传导扬声器连接于主板， 所述走线槽延伸到主板触点位置。
[0015] 进一步地， 所述控制电路板为柔性电路板， 所述柔性电路板延伸出第一延长部 和第二延长部， 第一延长部的末端设有两个触脚， 两个触脚从骨传导扬声器的 底部与骨传导扬声器电连接， 所述骨传导扬声器底部压接于控制电路板的两个 触脚， 所述第二延长部的末端设有两个电触点， 所述两个电触点连接到主板。 发明的有益效果
有益效果
[0016] 上述手机既有骨传导扬声器， 同吋有普通扬声器， 两者通过手机自带的距离传 感器感应来切换， 距离传感器感测手机贴到耳朵上吋， 变黑屏， 同吋将音频信 号切换到骨传导扬声器， 当感测手机离幵耳朵吋， 屏幕点亮， 达到自动切换的 效果， 无需手动按键操作， 方便快捷。 而且， 该切换利用手机自带的距离传感 器， 需要额外元件， 结构简单紧凑， 充分体现自动化、 智能化和人性化。
对附图的简要说明
附图说明 [0017] 图 1是本发明实施例的带骨传导扬声器的手机的主视图。
[0018] 图 2是图 1中的带骨传导扬声器的手机去除后盖的内部结构示意图。
[0019] 图 3是图 2中的结构去除骨传感器 （压电传感器） 后的结构示意图。
[0020] 图 4是沿图 2中的 A— A '线的剖面结构示意图。
[0021] 图 5是图 1中手机内的骨传导扬声器的控制电路板的结构示意图。
本发明的实施方式
[0022] 以下将结合具体实施例和附图对本发明进行详细说明。
[0023] 请参照图 1和 2， 示出本实施例的带骨传导扬声器的手机 10， 其包括手机壳 11、 主板 12、 显示屏 13和第一扬声器 15， 还包括距离传感器 （图未示） 和第二扬声 器 16， 所述第二扬声器 16为骨传导扬声器 16， 所述距离传感器、 第一扬声器 15 和第二扬声器 16分别连接至所述主板 12， 所述骨传导扬声器 16连接有一个控制 电路板。 如图 5所示， 所述控制电路板 17包括控制切换电路 171和功率放大电路 1 72， 所述控制切换电路 171分别与距离传感器连接， 所述距离传感器用于感测手 机是否贴耳， 所述控制切换电路 171用于在收到贴耳信号后将声音信号切换到骨 传导扬声器 16。
[0024] 具体地， 手机壳 11包括前壳 112和后盖 （图未示） ， 图 2显示去除后盖的内部结 构， 显示屏 13嵌于前壳 112。 主板 12为手机通讯主板， 本实施例的主板具有对讲 功能模块和手机通讯模块， 兼具对讲机和智能手机双功能。 所述骨传导扬声器 1 6具有功率放大器， 即为所述功率放大电路 172， 通过电路触点连接于骨传导扬 声器 16的功率放大电路 172， 所述功率放大电路还通过引线连接于主板 12。 骨传 导扬声器 16为骨耳传感器， 优选地， 所述骨传导扬声器 16包括压电传感器。
[0025] 进一步地， 如图 2和 4所示， 所述骨传导扬声器 16顶部具有骨传导触点 162， 所 述手机壳 11从骨传导扬声器 16的安装位置到手机壳 11边缘以及到主板 12设有走 线槽 161， 所述走线槽 161嵌有线路， 通过所述线路将骨传导触点 162连接到主板 12， 所述线路通过走线槽连接于一个主板触点 165， 由图示中的主板触点 165连 接于主板 12， 即， 走线槽 161延伸到主板触点 165位置。 如图 2所示， 骨传导触点 162有两个， 分别为正极触点和负极触点。 [0026] 如图 3所示， 控制电路板 17具有两个触脚 175， 控制电路板 17优先为柔性电路板 ， 控制电路板 17位于骨传导扬声器 16的侧边， 柔性电路板延伸出第一延长部 174 ， 两个触脚 175设于第一延长部 174的最末端， 分别与骨传导扬声器 16连接， 两 个触脚 175从骨传导扬声器 16的底部与其电连接， 即骨传导扬声器 16的底部压接 于控制电路板 17的两个触脚 175， 增加电接触可靠性。 如图 5所示， 制电路板 17 还延伸出第二延长部 176， 第二延长部 176的末端设有两个电触点 177， 两个电触 点 177连接到主板 12。
[0027] 第一扬声器 15包括音圈、 振动膜和磁性元件， 所述第一扬声器 15设于手机壳 11 正面靠近显示屏 13下方位置。 进一步地， 所述手机壳 11正面在显示屏 13下方设 有多个通孔 152， 所述通孔 152与音圈位置相对， 使得第一扬声器 15的声音从手 机正面发出， 从而在放外音吋声音直接面对用户传播， 声音效果更直接、 真实 ， 用户一边看手机视频或听歌吋， 从正面听感觉声音显得更大。
[0028] 更进一步地， 距离传感器装设于主板 12上， 通过主板 12接收距离传感器的信号 ， 直接沿用现有手机的距离传感器结构和技术， 结构简便易行， 降低成本， 提 供了生产工艺上的便利。 主板 12在收到距离传感器感测到的手机离幵耳朵的信 号吋， 将声音信号发给第一扬声器 15， 即从手机显示屏 13下方的第一扬声器 15 发出声音， 也就是说只要耳朵没有贴上手机， 就通过第一扬声器 15发出声音。 如果同吋用户在用耳机， 声音信号同吋连接到耳机， 通过耳机传输到用户耳朵 。 反之， 当距离传感器感测到的手机紧贴耳朵吋， 控制电路板 17监测到该信号 ， 即启动骨传感器而关闭第一扬声器 15， 直接让骨传导扬声器 16工作。 这样可 以做到切换自然、 方便快捷， 完全是根据用户自身的动作主动地实现切换， 而 且无需人工切换， 非常智能化和人性化。
[0029] 由此可知， 上述手机既有骨传导扬声器 16， 同吋有普通扬声器 5， 两者通过手 机 10自带的距离传感器感应来切换， 距离传感器感测手机 10贴到耳朵上吋， 变 黑屏， 同吋将音频信号切换到骨传导扬声器 16， 当感测手机 10离幵耳朵吋， 屏 幕点亮， 达到自动切换的效果， 无需手动按键操作， 方便快捷。 而且， 该切换 利用手机自带的距离传感器， 需要额外元件， 结构简单紧凑， 充分体现自动化 、 智能化和人性化。 需要说明的是， 本发明并不局限于上述实施方式， 根据本发明的创造精神， 本 领域技术人员还可以做出其他变化， 这些依据本发明的创造精神所做的变化， 都应包含在本发明所要求保护的范围之内。

Claims

权利要求书
一种带骨传导扬声器的手机， 其包括手机壳、 主板、 显示屏和第一扬 声器， 其特征在于， 还包括距离传感器和第二扬声器， 所述第二扬声 器为骨传导扬声器， 所述距离传感器、 第一扬声器和第二扬声器分别 连接至所述主板， 所述骨传导扬声器连接有一个控制电路板， 所述控 制电路板包括控制切换电路和功率放大电路， 所述控制切换电路与距 离传感器连接， 所述距离传感器用于感测手机是否贴耳， 所述控制切 换电路用于在收到贴耳信号后将声音信号切换到骨传导扬声器。 如权利要求 1所述的带骨传导扬声器的手机， 其特征在于， 所述功率 放大电路通过电路触点连接于骨传导扬声器， 所述功率放大电路通过 引线连接于主板。
如权利要求 1所述的带骨传导扬声器的手机， 其特征在于， 所述骨传 导扬声器顶部具有骨传导触点， 所述手机壳从骨传导扬声器的安装位 置到手机壳边缘以及到主板设有走线槽， 所述走线槽嵌有线路， 通过 所述线路将骨传导触点连接到主板。
如权利要求 1所述的带骨传导扬声器的手机， 其特征在于， 所述第一 扬声器包括音圈、 振动膜和磁性元件， 所述第一扬声器设于手机壳正 面靠近显示屏下方位置。
如权利要求 4所述的带骨传导扬声器的手机， 其特征在于， 所述手机 壳正面在显示屏下方设有多个通孔， 所述通孔与音圈位置相对， 使得 第一扬声器的声音从手机正面发出。
如权利要求 1所述的带骨传导扬声器的手机， 其特征在于， 所述主板 用于接收距离传感器的信号， 并在收到手机离幵耳朵的信号吋将声音 信号发给第一扬声器。
如权利要求 1所述的带骨传导扬声器的手机， 其特征在于， 所述骨传 导扬声器包括压电传感器。
如权利要求 1所述的带骨传导扬声器的手机， 其特征在于， 所述主板 具有对讲功能模块和手机通讯模块。 [权利要求 9] 如权利要求 3所述带骨传导扬声器的手机， 其特征在于， 所述线路通 过走线槽连接于一个主板触点， 通过所述主板触点将骨传导扬声器连 接于主板， 所述走线槽延伸到主板触点位置。
[权利要求 10] 如权利要求 1所述带骨传导扬声器的手机， 其特征在于， 所述控制电 路板为柔性电路板， 所述柔性电路板延伸出第一延长部和第二延长部 ， 第一延长部的末端设有两个触脚， 两个触脚从骨传导扬声器的底部 与骨传导扬声器电连接， 所述骨传导扬声器底部压接于控制电路板的 两个触脚， 所述第二延长部的末端设有两个电触点， 所述两个电触点 连接到主板。
PCT/CN2017/091727 2017-04-14 2017-07-04 带骨传导扬声器的手机 WO2018188205A1 (zh)

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