WO2022127668A1 - 电子设备 - Google Patents

电子设备 Download PDF

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Publication number
WO2022127668A1
WO2022127668A1 PCT/CN2021/136454 CN2021136454W WO2022127668A1 WO 2022127668 A1 WO2022127668 A1 WO 2022127668A1 CN 2021136454 W CN2021136454 W CN 2021136454W WO 2022127668 A1 WO2022127668 A1 WO 2022127668A1
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WO
WIPO (PCT)
Prior art keywords
diaphragm
electronic device
cavity
sound guide
optical fingerprint
Prior art date
Application number
PCT/CN2021/136454
Other languages
English (en)
French (fr)
Inventor
王蒙
刘明建
唐志伟
Original Assignee
维沃移动通信有限公司
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 维沃移动通信有限公司 filed Critical 维沃移动通信有限公司
Publication of WO2022127668A1 publication Critical patent/WO2022127668A1/zh

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    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • 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
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/66—Substation equipment, e.g. for use by subscribers with means for preventing unauthorised or fraudulent calling
    • H04M1/667—Preventing unauthorised calls from a telephone set
    • H04M1/67—Preventing unauthorised calls from a telephone set by electronic means
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present application relates to the field of communication devices, and in particular, to an electronic device.
  • the optical fingerprint module has high power consumption and can only be turned on when it needs to work. Therefore, a wake-up mechanism is required to ensure that the electronic device can be turned on quickly when it is working.
  • the principle of this wake-up mechanism is to use the acceleration used for a long time when the electronic device is turned on as a judgment basis.
  • the accelerometer senses a relatively large change
  • the optical fingerprint module can be woken up and started to work.
  • this mechanism has defects. When the user puts the electronic device on the table and does not move, even if the finger is pressed to the corresponding position, the optical fingerprint module still cannot be awakened, which brings inconvenience to the user.
  • the present application discloses an electronic device to solve the problem that it is difficult to wake up an optical fingerprint module in the current electronic device.
  • the embodiment of the present application discloses an electronic device.
  • the disclosed electronic device includes a casing, a display screen, an optical fingerprint module, a diaphragm, and a control module.
  • the display screen is arranged on the casing, and the display screen is connected to the
  • the casing forms an inner cavity of the device, the optical fingerprint module and the diaphragm are arranged in the inner cavity of the device, and the inner cavity of the device includes a deformable cavity, and when the display screen is pressed, The deformable cavity is deformed, and the air in the deformable cavity can drive the diaphragm to vibrate, the control module is connected to the optical fingerprint module, and the diaphragm is surrounded by the deformable cavity.
  • the control module can drive the optical fingerprint module to start.
  • the structure of the electronic device in the background technology is improved, so that the inner cavity of the device includes a deformable cavity, and the deformable cavity does not deform when the display screen is not pressed. .
  • the deformable cavity is deformed.
  • the deformation of the deformable cavity can drive the diaphragm to vibrate, and the vibrating diaphragm can trigger the optical fingerprint module.
  • the control module is connected with the optical fingerprint module, and the optical fingerprint module can be activated through the control module.
  • the control module drives the optical fingerprint module, thereby unlocking the electronic device.
  • the wake-up mechanism of the electronic device is relatively simple, and the user can wake up the optical fingerprint module and work by pressing the display screen at any time when using the optical fingerprint module, thereby solving the current problem of Electronic devices have the problem that it is difficult to wake up the optical fingerprint module.
  • FIG. 1 is a cross-sectional view of an electronic device disclosed in an embodiment of the application.
  • FIG. 2 is a cross-sectional view of an electronic device disclosed in an embodiment of the present application when a display screen is pressed.
  • an embodiment of the present application discloses an electronic device.
  • the disclosed electronic device includes a housing 100 , a display screen 200 , an optical fingerprint module 300 , a diaphragm 400 and a control module.
  • the housing 100 provides a mounting base for other components in the electronic device while providing protection for these components.
  • the display screen 200 is provided in the casing 100 , and the display screen 200 and the casing 100 form a device inner cavity 500 , and the device inner cavity 500 can provide installation space for some other components of the electronic device.
  • the optical fingerprint module 300 and the diaphragm 400 are arranged in the inner cavity 500 of the device, so that the optical fingerprint module 300 and the diaphragm 400 can be well protected by the inner cavity 500 of the device, so as to ensure that the optical fingerprint module 300 and the diaphragm 400 can work normally Work.
  • the inner cavity 500 of the device includes a deformable cavity 510.
  • the deformable cavity 510 does not deform; when the display screen 200 is pressed, the deformable cavity 510 deforms and can be deformed.
  • the air in the deformation cavity 510 can drive the diaphragm 400 to vibrate, the control module is connected to the optical fingerprint module 300, and the control module can control the optical fingerprint module 300 to start working.
  • the control module can drive the optical fingerprint module 300 to start, that is to say, the vibration of the diaphragm 400 can wake up the optical fingerprint module 300, and then can start the electronic device, so that the The electronics can start working.
  • the structure of the electronic device in the background technology is improved, so that the inner cavity 500 of the device includes a deformable cavity 510, and when the display screen 200 is not pressed, the deformable cavity 510 does not deform.
  • the deformable cavity 510 is deformed.
  • the deformation of the deformable cavity 510 can drive the diaphragm 400 to vibrate, and the vibrating diaphragm 400 can trigger the optical fingerprint module 300 .
  • the control module is connected with the optical fingerprint module 300, and then the optical fingerprint module 300 can be activated through the control module.
  • the control module drives the optical fingerprint module 300, and then can be Electronic device unlocked.
  • the wake-up mechanism of the electronic device is relatively simple, and the user can wake up the optical fingerprint module 300 and work by pressing the display screen 200 at any time when using the optical fingerprint module 300, thereby solving the problem. Therefore, the current electronic equipment has the problem that it is difficult to wake up the optical fingerprint module.
  • the deformable cavity 510 can be an airbag, and the airbag is arranged in contact with the display screen 200 .
  • the airbag is squeezed and deformed, thereby driving the diaphragm 400 . vibration.
  • the electronic device may include an acoustic device 600 , the casing 100 is provided with a communication channel 110 , and the inner cavity of the acoustic device 600 communicates with the deformable cavity 510 through the communication channel 110 .
  • the acoustic device 600 may include a diaphragm 400, and the diaphragm 400 is arranged in the inner cavity.
  • the control module drives the optical fingerprint module 300 .
  • the purpose of reusing the diaphragm 400 can be achieved, thereby achieving the effect of dual use of one object.
  • the diaphragm 400 may also be a separate part, or a part inside other devices, as long as the optical fingerprint module 300 can be awakened by vibration of the diaphragm 400 , which is not specifically limited in this embodiment of the present application.
  • the casing 100 may be provided with a sound guiding channel 120, and the sound guiding channel 120 is used to collect the sound in the external environment to the acoustic device 600, or transmit the sound in the acoustic device 600 to the external environment.
  • the sound guide channel 120 includes a first sound guide section 121, a second sound guide section 122 and a third sound guide section 123.
  • the first sound guide section 121 is connected to the first end of the second sound guide section 122, and the third sound guide section
  • the segment 123 communicates with the second end of the second sound guide segment 122 , that is, the first sound guide segment 121 , the second sound guide segment 122 and the third sound guide segment 123 communicate with each other.
  • the sound channel 120 forms a curved channel, thereby having better waterproof and dustproof capabilities, which can prevent dust and water droplets in the external environment from interfering with the internal components of the electronic device.
  • the first sound guide segment 121 may be parallel to the third sound guide segment 123 .
  • the sound guide channel 120 adopts a cutting process such a parallel structure is more conducive to tool processing.
  • the outer end of the first sound guide segment 121 is lower than the inner end of the first sound guide segment 121 (ie, the end of the first sound guide segment 121 that is closer to the acoustic device 600 ), so that It can have better foreign body dredging function, and can better play the role of waterproof and dustproof.
  • the acoustic device 600 may be a microphone or a speaker.
  • the acoustic device 600 is a microphone
  • the diaphragm 400 can be a MEMS (Microelectro Mechanical Systems, micro-electromechanical systems) diaphragm.
  • the MEMS diaphragm is sensitive to external vibration, and when the display screen 200 is pressed, it can be deformed.
  • the cavity 510 is deformed, the air flow change in the deformable cavity 510 can be picked up by the MEMS diaphragm, and the MEMS diaphragm vibrates, so that the control module drives the optical fingerprint module 300 .
  • the electronic device may include an audio codec, and the audio codec is connected to the diaphragm 400.
  • the audio codec is independently placed in the device cavity 500, When the diaphragm 400 vibrates, the diaphragm 400 generates an electrical signal, which can then wake up the audio codec, and the audio codec can output a request command to the optical fingerprint module 300 to wake up the optical fingerprint module 300 and work.
  • the control module includes an audio codec.
  • the audio codec is fixed to the control module for receiving the electrical signal generated by the diaphragm 400, and sends a start command to the control module, and the control module drives the optical fingerprint module 300.
  • the control module is a A module with a control function is not only used to drive the optical fingerprint module 300, but also can be used to control other functions of the electronic device.
  • the acoustic device 600 may be a speaker
  • the speaker includes a speaker housing and a diaphragm 400
  • the speaker housing has an inner cavity
  • the diaphragm 400 may be arranged in the inner cavity
  • the inner cavity may be Divided into anterior and posterior chambers.
  • the housing 100 may be provided with a sound guiding channel 120, the sound guiding channel 120 is communicated with the front cavity, and the rear cavity may be communicated with the deformable cavity 510 through the communication channel 110, at this time, the volume of the rear cavity can be increased, thereby enhancing the sound quality of the speaker. Bass performance.
  • a valve 111 may be provided in the communication channel 110, and the valve 111 has a first state and a second state.
  • the communication channel 110 is in a closed state, and only the conduction
  • the sound channel 120 is communicated with the front cavity, and a bass effect can appear when the speaker emits sound.
  • the valve 111 is in the second state, the communication channel 110 is in an open state.
  • the sound guide channel 120 communicates with the front cavity, and the rear cavity communicates with the deformable cavity 510.
  • Another bass effect can occur when the speaker sounds. In the above manner, two bass effects of the speaker can be achieved, thereby enabling the electronic device to achieve more flexible bass performance.
  • the disclosed electronic device further includes a detection unit, and the detection unit is used to detect the signal amplitude of the electrical signal generated by the diaphragm 400 .
  • the detection unit is connected to the diaphragm 400, and the detection unit can detect the amplitude of the signal generated by the vibration of the diaphragm 400.
  • the control module controls the optical fingerprint module 300 to start when the signal amplitude is greater than the preset threshold. When the amplitude is less than or equal to the preset threshold, the optical fingerprint module 300 is controlled to remain closed, and at this time, the occurrence of false triggering by the user can be avoided.
  • the power supply voltage of the acoustic device 600 used in general electronic equipment can be as low as 1.5V, and the power consumption is below 0.1mA.
  • the detection unit detects that the trigger signal given by the acoustic device 600 is greater than the preset threshold, the trigger If the device is interrupted, an activation command will be sent to the control module at this time. After receiving the activation command, the control module controls the optical fingerprint module 300 to activate, while the acoustic device 600 is in a dormant state.
  • the detection unit detects that the trigger signal given by the acoustic device 600 is less than or equal to the preset threshold, the trigger is successful, and the control module controls the optical fingerprint module 300 to be in a closed state at this time.
  • the inner cavity 500 of the device includes the deformable cavity 510 , and the deformable cavity 510 may be separately formed in the casing 100 .
  • the deformable cavity 510 may also be formed by other structures.
  • the housing 100 has a middle frame, and the deformable cavity 510 is formed between the middle frame and the optical fingerprint module 300 .
  • the assembly gap between the optical fingerprint module 300 and the housing 100 can be fully utilized to make the deformable cavity 510 .
  • the cavity 510 is formed, which is beneficial to simplify the structure.
  • pressing the display screen 200 can cause the deformable cavity 510 to deform.
  • An elastic deformation member may be arranged in the cavity 510 , and the elastic deformation member can drive the air flow in the deformable cavity 510 with the deformation of the deformable cavity 510 , which is beneficial to push the air flow, and thus can better drive the diaphragm 400 purpose of vibration.
  • the elastic deformation parts may be elastic bending sheets, sponge parts, foam parts, etc., which are not specifically limited in the embodiment of the present application.
  • the electronic devices disclosed in the embodiments of the present application may be mobile phones, tablet computers, fingerprint machines, e-book readers, game consoles, wearable devices, etc.
  • the embodiments of the present application do not limit the specific types of electronic devices.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Image Input (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • User Interface Of Digital Computer (AREA)

Abstract

本申请公开一种电子设备，所公开的电子设备包括壳体、显示屏、光学指纹模组、膜片和控制模块，所述显示屏设于所述壳体，所述显示屏与所述壳体形成设备内腔，所述光学指纹模组和所述膜片设置于所述设备内腔中，所述设备内腔包括可变形空腔，在所述显示屏被按压的情况下，所述可变形空腔变形，且所述可变形空腔内的空气可驱动所述膜片振动，所述控制模块与所述光学指纹模组相连，在所述膜片被所述可变形空腔驱动的情况下，所述控制模块可驱动所述光学指纹模组启动。

Description

电子设备
交叉引用
本发明要求在2020年12月14日提交中国专利局、申请号为202011466256.3、发明名称为“电子设备”的中国专利申请的优先权，该申请的全部内容通过引用结合在本发明中。
技术领域
本申请涉及通信设备领域，尤其涉及一种电子设备。
背景技术
随着电子设备的不断发展，电子设备逐渐成为人们日常生活中必不可少的工具，电子设备的内部结构越来越精细，人们对电子设备的要求也越来越高。光学指纹式电子设备以其美观、快捷、科技感强的特点受到用户的青睐。
在目前的电子设备中，光学指纹模组的功耗较高，只能在需要工作时开启，因此需要唤醒机制，来保证电子设备工作时可以迅速开启。而这种唤醒机制的原理是利用电子设备开机时长期使用的加速度作为判断依据，当加速度计感应到比较大的变化时，就可以唤醒光学指纹模组开始工作。但是这种机制存在缺陷，当用户将电子设备放在桌子上不动时，即使手指压到对应位置了，光学指纹模组仍然无法被唤醒，进而给用户的使用带来不便。
发明内容
本申请公开一种电子设备，以解决目前的电子设备存在唤醒光学指纹模组较为困难的问题。
为了解决上述问题，本申请采用下述技术方案：
本申请实施例公开一种电子设备，所公开的电子设备包括壳体、显示屏、 光学指纹模组、膜片和控制模块，所述显示屏设于所述壳体，所述显示屏与所述壳体形成设备内腔，所述光学指纹模组和所述膜片设置于所述设备内腔中，所述设备内腔包括可变形空腔，在所述显示屏被按压的情况下，所述可变形空腔变形，且所述可变形空腔内的空气可驱动所述膜片振动，所述控制模块与所述光学指纹模组相连，在所述膜片被所述可变形空腔驱动的情况下，所述控制模块可驱动所述光学指纹模组启动。
本申请采用的技术方案能够达到以下有益效果：
本申请实施例公开的电子设备，通过对背景技术中的电子设备的结构进行改进，使得设备内腔中包括可变形空腔，在显示屏未被按压的情况下，可变形空腔不发生形变。在显示屏被按压的情况下，可变形空腔发生形变，此时，可变形空腔的形变能够驱动膜片振动，振动的膜片能够触发光学指纹模组。控制模块与光学指纹模组相连，进而能够通过控制模块来启动光学指纹模组，在膜片被可变形空腔驱动的情况下，控制模块驱动光学指纹模组，进而能够为电子设备解锁。
也就是说，在本申请实施例公开的电子设备中，电子设备的唤醒机制较为简单，用户在使用光学指纹模组时随时按压显示屏就可以唤醒光学指纹模组并工作，进而解决了目前的电子设备存在唤醒光学指纹模组较为困难的问题。
附图说明
此处所说明的附图用来提供对本申请的进一步理解，构成本申请的一部分，本申请示意性实施例及其说明用于解释本申请，并不构成对本申请的不当限定。在附图中：
图1为本申请实施例公开的电子设备的截面图；
图2为本申请实施例公开的电子设备在按压显示屏时的截面图。
附图标记说明：
100-壳体、110-连通通道、120-导音通道、121-第一导音段、122-第二导 音段、123-第三导音段、200-显示屏、300-光学指纹模组、400-膜片、500-设备内腔、510-可变形空腔、600-声学器件。
具体实施方式
为使本申请的目的、技术方案和优点更加清楚，下面将结合本申请具体实施例及相应的附图对本申请技术方案进行清楚、完整地描述。显然，所描述的实施例仅是本申请一部分实施例，而不是全部的实施例。基于本申请的实施例，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他实施例，都属于本申请保护的范围。
以下结合附图，详细说明本申请各个实施例公开的技术方案。
如图1-图2所示，本申请实施例公开一种电子设备，所公开的电子设备包括壳体100、显示屏200、光学指纹模组300、膜片400和控制模块。
壳体100为电子设备中的其它部件提供安装基础，同时为这些部件提供防护。
显示屏200设于壳体100，显示屏200与壳体100形成设备内腔500，设备内腔500能够为电子设备的一些其它部件提供安装空间。光学指纹模组300和膜片400设置于设备内腔500中，进而光学指纹模组300和膜片400能够被设备内腔500较好地保护，确保光学指纹模组300和膜片400能够正常工作。
设备内腔500包括可变形空腔510，在显示屏200未被按压的情况下，可变形空腔510不发生变形；在显示屏200被按压的情况下，可变形空腔510变形，且可变形空腔510内的空气可驱动膜片400振动，控制模块与光学指纹模组300相连，控制模块能够控制光学指纹模组300开始工作。在膜片400被可变形空腔510驱动的情况下，控制模块可驱动光学指纹模组300启动，也就是说，膜片400的振动能够唤醒光学指纹模组300，进而能够启动电子设备，使得电子设备能够开始工作。
本申请实施例公开的电子设备，通过对背景技术中的电子设备的结构进行改进，使得设备内腔500中包括可变形空腔510，在显示屏200未被按压的情况下，可变形空腔510不发生形变。在显示屏200被按压的情况下，可变形空腔510发生形变，此时，可变形空腔510的形变能够驱动膜片400振动，振动的膜片400能够触发光学指纹模组300。控制模块与光学指纹模组300相连，进而能够通过控制模块来启动光学指纹模组300，在膜片400被可变形空腔510驱动的情况下，控制模块驱动光学指纹模组300，进而能够为电子设备解锁。
也就是说，在本申请实施例公开的电子设备中，电子设备的唤醒机制较为简单，用户在使用光学指纹模组300时随时按压显示屏200就可以唤醒光学指纹模组300并工作，进而解决了目前的电子设备存在唤醒光学指纹模组较为困难的问题。
一种可选的方案中，可变形空腔510可以为气囊，气囊与显示屏200相贴设置，在显示屏200被按压的情况下，气囊被挤压，进而发生形变，从而驱动膜片400振动。
在本申请实施例公开的电子设备中，电子设备可以包括声学器件600，壳体100开设有连通通道110，声学器件600的内腔与可变形空腔510通过连通通道110连通。如上文所述，通过按压显示屏200，可变形空腔510产生形变，进而可以使膜片400振动，进而可以唤醒光学指纹模组300。一种可选的方案，声学器件600可以包括膜片400，膜片400设置于内腔中，此时，在可变形空腔510发生形变的情况下，内腔中的膜片400发生振动，使得控制模块驱动光学指纹模组300。通过上述方式，能够实现复用膜片400的目的，进而达到一物两用的效果。当然，膜片400也可以是单独的一部分，也可以是其它器件内部的一部分，只要能通过膜片400振动唤醒光学指纹模组300即可，本申请实施例对此不作具体限制。
在进一步的技术方案中，壳体100可以开设有导音通道120，导音通道120用于将外部环境中的声音采集到声学器件600，或将声学器件600中的声 音传递至外部环境。导音通道120包括第一导音段121、第二导音段122和第三导音段123，第一导音段121与第二导音段122的第一端相连通，第三导音段123与第二导音段122的第二端相连通，也就是说第一导音段121、第二导音段122和第三导音段123相互连通。此外，第一导音段121的贯通方向与第二导音段122的贯通方向相交，第二导音段122的贯通方向与第三导音段123的贯通方向相交，此种情况下，导音通道120形成弯曲通道，进而具有较好的防水、防尘能力，可以避免外部环境中的灰尘、水滴对电子设备的内部部件进行干扰。
一种可选的方案中，第一导音段121可以与第三导音段123相平行。在导音通道120采用切割工艺时，此种平行结构更有利于刀具加工。
在另一种可选的方案中，第一导音段121的外侧端低于第一导音段121的内侧端(即，第一导音段121的较为靠近声学器件600的一端)，从而能够具备较好的异物疏导功能，能够较好地发挥防水、防尘的作用。
声学器件600的种类有很多，声学器件600可以为麦克风或扬声器。一种可选的方案，声学器件600为麦克风，膜片400可以为MEMS(Microelectro Mechanical Systems，微机电系统)膜片，MEMS膜片对外界的振动较为敏感，在按压显示屏200时，可变形空腔510发生形变，可变形空腔510内的气流变化可以被MEMS膜片拾取，MEMS膜片发生振动，进而使得控制模块驱动光学指纹模组300。
在本申请实施例公开的电子设备中，电子设备可以包括音频编解码器，音频编解码器与膜片400相连，一种可选的方案，音频编解码器独立放置在设备内腔500中，当膜片400振动时，膜片400产生电信号，进而可以唤醒音频编解码器，音频编解码器可以输出请求指令至光学指纹模组300，进而唤醒光学指纹模组300并工作。
另一种可选的方案，控制模块包括音频编解码器，在膜片400振动的情况下，膜片400产生电信号，音频编解码器启动且发出控制光学指纹模组300开启的指令，在此种情况下，音频编解码器固定于控制模块，用于接收膜片 400产生的电信号，并发送启动指令至控制模块，由控制模块驱动光学指纹模组300，此时的控制模块是一种具有控制功能的模块，不仅用于驱动光学指纹模组300，也可以用于控制电子设备的其它功能。
在本申请实施例公开的电子设备中，声学器件600可以为扬声器，扬声器包括扬声器壳体和膜片400，扬声器壳体具有内腔，膜片400可以设于内腔中，且可以将内腔分隔成前腔和后腔。壳体100可以开设有导音通道120，导音通道120与前腔连通，后腔可以通过连通通道110与可变形空腔510连通，此时可以增大后腔的体积，进而可以增强扬声器的低音性能。
在进一步的技术方案中，连通通道110内可以设置有阀门111，阀门111具有第一状态和第二状态，在阀门111处于第一状态的情况下，连通通道110处于关闭状态，此时只有导音通道120与前腔连通，扬声器发声时可以出现一种低音效果。在阀门111处于第二状态的情况下，连通通道110处于开通状态，此时导音通道120与前腔连通，后腔与可变形空腔510连通，扬声器发声时可以出现另一种低音效果。通过上述方式，可以实现扬声器的两种低音效果，从而能够使得电子设备实现更为灵活的低音性能。
在本申请实施例公开的电子设备中，所公开的电子设备还包括检测单元，检测单元用于检测膜片400产生的电信号的信号幅度。具体的，检测单元与膜片400相连，检测单元能够检测膜片400的振动产生的信号幅度，控制模块在信号幅度大于预设阈值的情况下，控制光学指纹模组300启动，控制模块在信号幅度小于或等于预设阈值的情况下，控制光学指纹模组300保持关闭，此时可以避免用户误触发的情况发生。
在通常情况下，一般电子设备使用的声学器件600的供电电压最低可至1.5V，耗电量在0.1mA以下，当检测单元检测到声学器件600给到的触发信号大于预设阈值时，触发中断，此时会发送启动指令至控制模块，控制模块在接收到启动指令后，控制光学指纹模组300启动，而声学器件600处于休眠状态。
反之，当检测单元检测到声学器件600给到的触发信号小于或等于预设 阈值时，触发成功，此时控制模块控制光学指纹模组300处于关闭状态。
如上文所述，设备内腔500包括可变形空腔510，可变形空腔510可以单独形成于壳体100之内，当然可变形空腔510也可以由其它结构形成。具体的，壳体100具有中框，可变形空腔510成形于中框与光学指纹模组300之间，此时可以充分利用光学指纹模组300与壳体100的装配间隙，使可变形空腔510成型，有利于简化结构。
在本申请实施例公开的电子设备中，按压显示屏200可以引起可变形空腔510发生形变，为了使可变形空腔510内的空气更容易发生流动，一种可选的方案中，可变形空腔510内可以设置有弹性变形件，弹性变形件可随可变形空腔510的变形驱动可变形空腔510内的空气流动，有利于推动空气流动，进而可以实现更好地驱动膜片400振动的目的。弹性变形件的种类有很多，具体的，弹性变形件可以为弹性折弯片、或海绵件、泡棉件等，本申请实施例对此不作具体限制。
本申请实施例公开的电子设备可以是手机、平板电脑、指纹机、电子书阅读器、游戏机、可穿戴设备等，本申请实施例不限制电子设备的具体种类。
本申请上文实施例中重点描述的是各个实施例之间的不同，各个实施例之间不同的优化特征只要不矛盾，均可以组合形成更优的实施例，考虑到行文简洁，在此则不再赘述。
以上所述仅为本申请的实施例而已，并不用于限制本申请。对于本领域技术人员来说，本申请可以有各种更改和变化。凡在本申请的精神和原理之内所作的任何修改、等同替换、改进等，均应包含在本申请的权利要求范围之内。

Claims (10)

  1. 一种电子设备，其中，包括壳体、显示屏、光学指纹模组、膜片和控制模块，所述显示屏设于所述壳体，所述显示屏与所述壳体形成设备内腔，所述光学指纹模组和所述膜片设置于所述设备内腔中，所述设备内腔包括可变形空腔，在所述显示屏被按压的情况下，所述可变形空腔变形，且所述可变形空腔内的空气可驱动所述膜片振动，所述控制模块与所述光学指纹模组相连，在所述膜片被所述可变形空腔驱动的情况下，所述控制模块可驱动所述光学指纹模组启动。
  2. 根据权利要求1所述的电子设备，其中，所述电子设备包括声学器件，所述壳体开设有连通通道，所述声学器件的内腔与所述可变形空腔通过所述连通通道连通，所述声学器件包括所述膜片，所述膜片设置于所述内腔中。
  3. 根据权利要求2所述的电子设备，其中，所述壳体开设有导音通道，所述导音通道包括第一导音段、第二导音段和第三导音段，所述第一导音段与所述第二导音段的第一端相连通，所述第三导音段与所述第二导音段的第二端相连通，所述第一导音段的贯通方向与所述第二导音段的贯通方向相交，所述第二导音段的贯通方向与所述第三导音段的贯通方向相交。
  4. 根据权利要求2所述的电子设备，其中，所述声学器件为麦克风或扬声器。
  5. 根据权利要求2所述的电子设备，其中，所述电子设备包括音频编解码器，所述音频编解码器与所述膜片相连，所述控制模块包括所述音频编解码器，在所述膜片振动的情况下，所述音频编解码器启动且发出控制所述光学指纹模组开启的指令。
  6. 根据权利要求2所述的电子设备，其中，所述声学器件为扬声器，所述扬声器包括扬声器壳体和所述膜片，所述扬声器壳体具有所述内腔，所述 膜片设于所述内腔中，且将所述内腔分隔成前腔和后腔，所述壳体开设有导音通道，所述导音通道与所述前腔连通，所述后腔通过所述连通通道与所述可变形空腔连通。
  7. 根据权利要求6所述的电子设备，其中，所述连通通道内设置有阀门，所述阀门具有第一状态和第二状态，在所述阀门处于所述第一状态的情况下，所述连通通道处于关闭状态，在所述阀门处于所述第二状态的情况下，所述连通通道处于开通状态。
  8. 根据权利要求1所述的电子设备，其中，还包括检测单元，所述检测单元与所述膜片相连，所述检测单元能够检测所述膜片的振动产生的信号幅度，所述控制模块在所述信号幅度大于预设阈值的情况下，控制所述光学指纹模组启动，所述控制模块在所述信号幅度小于或等于所述预设阈值的情况下，控制所述光学指纹模组保持关闭。
  9. 根据权利要求1所述的电子设备，其中，所述壳体具有中框，所述可变形空腔成形于所述中框与所述光学指纹模组之间。
  10. 根据权利要求1所述的电子设备，其中，所述可变形空腔内设置有弹性变形件，所述弹性变形件可随所述可变形空腔的变形驱动所述可变形空腔内的空气流动。
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