WO2019228246A1 - 听筒与摄像头的组合装置及移动终端 - Google Patents

听筒与摄像头的组合装置及移动终端 Download PDF

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Publication number
WO2019228246A1
WO2019228246A1 PCT/CN2019/088115 CN2019088115W WO2019228246A1 WO 2019228246 A1 WO2019228246 A1 WO 2019228246A1 CN 2019088115 W CN2019088115 W CN 2019088115W WO 2019228246 A1 WO2019228246 A1 WO 2019228246A1
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WIPO (PCT)
Prior art keywords
diaphragm
earpiece
handset
lens module
camera
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PCT/CN2019/088115
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English (en)
French (fr)
Inventor
李德健
Original Assignee
维沃移动通信有限公司
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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 WO2019228246A1 publication Critical patent/WO2019228246A1/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
    • H04M1/03—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
    • H04M1/02—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
    • H04M1/0264—Details of the structure or mounting of specific components for a camera module assembly

Definitions

  • the present disclosure relates to the field of communication technologies, and in particular, to a combined device of a handset and a camera, and a mobile terminal.
  • Some mobile terminals capable of receiving calls and taking pictures in related technologies are generally equipped with a handset module and a camera module, and the front of the mobile terminal corresponds to the handset module and the camera module, respectively.
  • There is a function hole ie, a handset hole and a light-transmitting hole.
  • the earpiece hole is used to conduct the sound generated by the earpiece module. When the user is close to the earpiece hole, the sound can be heard.
  • the light-transmitting hole is a light-sensitive chip used in the camera module. The light-transmitting hole can be used for light-sensing to collect external images. Both the earphone hole and the light transmission hole are indispensable functional holes.
  • Embodiments of the present disclosure provide a combined device of a handset and a camera, and a mobile terminal, in order to solve the problem of opening a handset hole and a light-transmitting hole on the front of the mobile terminal in the related art to occupy screen space.
  • an embodiment of the present disclosure provides a combined device of an earphone and a camera, including:
  • a ring-shaped handset diaphragm which is arranged on a display cover of a mobile terminal
  • the toroidal coil is connected to a current-carrying terminal;
  • a lens module located in a central hole of the toroidal coil and fixedly connected to the toroidal coil;
  • the switch is electrically connected to the power-on terminal and is electrically connected to the audio circuit, and the ring coil is in contact with and in contact with the earphone diaphragm;
  • the switch is connected to the power-on terminal to be electrically connected to the motor driving circuit, and the ring coil is separated from the earphone diaphragm.
  • an embodiment of the present disclosure provides a mobile terminal, which includes the combination device of an earphone and a camera as described above, and further includes:
  • a display cover the display cover is provided with a through hole, and a handset diaphragm in the combination device of the handset and a camera is disposed in the through hole, and an outer side wall of the handset diaphragm and the The inner walls of the through holes are connected.
  • the combination device of the earpiece and the camera in the embodiment of the present disclosure can implement both the earpiece function and the camera function.
  • the combination device can reduce the internal space of the mobile terminal.
  • the lens module can collect images through the hole in the middle of the ring coil and the earpiece diaphragm. Therefore, only one functional hole needs to be opened on the display cover, that is, It can meet the use requirements of the handset and the camera, reduce the number of openings on the display cover, and is more conducive to the development of a full screen.
  • FIG. 1 shows one of the schematic diagrams of a combination device provided by an embodiment of the present disclosure
  • FIG. 2 shows a second schematic diagram of a combination device provided by an embodiment of the present disclosure
  • FIG. 3 is a schematic diagram of an earphone diaphragm provided by an embodiment of the present disclosure
  • FIG. 4 shows one of the schematic diagrams of a mobile terminal according to an embodiment of the present disclosure
  • FIG. 5 shows a second schematic diagram of a mobile terminal according to an embodiment of the present disclosure.
  • a combined device of a handset and a camera (hereinafter referred to as a combined device) is provided, which is applied to a mobile terminal having a handset function and a camera function.
  • the mobile terminal includes, but is not limited to, a mobile phone and a tablet computer. , Laptops, PDAs, and wearables.
  • the combined device includes at least: a ring-shaped handset diaphragm 101, a ring coil 102, a magnet 103 (such as a permanent magnet 1), a lens module 104, and a switch 106.
  • the earpiece diaphragm 101 plays a role of sound through vibration, and is arranged on the display cover 114 of the mobile terminal so that the user can listen to the sound.
  • the display cover 114 is provided with a through hole 109 for the handset to vibrate.
  • the film 101 is disposed in the through hole 109 as shown in FIG. 5.
  • the toroidal coil 102 is correspondingly disposed below the earpiece diaphragm 101, and a power-on terminal 105 is connected to the toroidal coil 102 for electrical connection of the audio circuit 107 or the camera motor driving circuit 108 (hereinafter referred to as the motor driving circuit 108).
  • the lens module 104 is used to collect external images.
  • the lens module 104 is located in the central hole of the toroidal coil 102 and is fixedly connected to the toroidal coil 102.
  • the lens module 104 and the hole in the middle of the earpiece diaphragm 101 are oppositely disposed, so that the lens module 104 can collect external images through the hole in the middle of the earpiece diaphragm 101.
  • the magnet 103 is arranged around the toroidal coil 102 and is used to provide a magnetic field environment, so that when the coil is energized, a magnetic field force in a certain direction can be generated. Specifically, when the coil is energized, the magnetic field generated by the coil changes, and further, the magnetic force between the magnet 103 and the coil changes, so that the distance between the magnet 103 and the coil changes.
  • the switch 106 is not only electrically connected to the energized terminal 105 on the toroidal coil 102, but also to the audio circuit 107 or the motor driving circuit 108, and is used to electrically connect the toroidal coil 102 to the audio circuit 107 or to the motor driving circuit 108. connection.
  • the combined device provided by the embodiments of the present disclosure can implement both the handset function and the camera function.
  • the working principle is as follows:
  • the change-over switch 106 turns on the power-on terminal 105 and the audio circuit 107, so that the ring coil 102 and the audio circuit 107 are electrically connected.
  • the toroidal coil 102 and the earpiece diaphragm 101 are in contact with and come into contact with each other.
  • the toroidal coil 102 receives the audio signal of the audio circuit 107 and drives the earpiece diaphragm 101 to emit sound according to the audio signal.
  • the coil 102 moves in small amplitude, and the ring coil 102 in small amplitude drives the ring diaphragm to vibrate, making the ring diaphragm sound, and different currents generate different vibrations, so that the ring diaphragm emits different sounds.
  • the toroidal coil 102 and the handset diaphragm 101 are not fixedly connected, since the vibration between the toroidal coil 102 and the handset diaphragm 101 is only a small amplitude vibration, it is very small, so it only needs to meet
  • the ring coil 102 is in contact with the earpiece diaphragm 101 and is in contact with each other, which can ensure continuous contact between the ring coil 102 and the earpiece diaphragm 101.
  • the change-over switch 106 conducts the current-carrying terminal 105 and the motor driving circuit 108 to electrically connect the toroidal coil 102 and the motor driving circuit 108.
  • the toroidal coil 102 is separated from the handset diaphragm 101.
  • the toroidal coil 102 receives the focus driving signal of the motor driving circuit 108, and according to the focus driving signal, the toroidal coil 102 is driven closer to the display cover.
  • the plate 114 moves in a direction away from the display cover 114 (that is, in a direction close to the earpiece diaphragm 101 or away from the earpiece diaphragm 101).
  • the lens module 104 Since the lens module 104 is fixed on the toroidal coil 102, it is driven by the toroidal coil 102 The lens module 104 will also move toward or away from the display cover 114 to achieve focusing. It should be noted that in order to avoid the ring coil 102 and the handset diaphragm 101 from touching during the focusing process, the initial focus position of the lens module 104 is designed as follows: the ring coil 102 and the handset diaphragm 101 are separated by a first preset distance, and The closest focusing distance of the lens module 104 (ie, the maximum focusing distance near the display cover 114) does not exceed the first preset distance, and the first preset distance can be designed according to the focusing requirements of the lens module 104.
  • the earpiece structure and the camera structure are assembled to form a combined device in the embodiment of the present disclosure.
  • the combined device can implement both the earpiece function and the camera function, and the earpiece structure and the camera in the related technology.
  • the combined device can reduce the occupation of the internal space of the mobile terminal.
  • the lens module 104 can be positioned between the handset coil 101 and the handset diaphragm 101 To capture images, therefore, only one functional hole needs to be opened on the display cover 114, which can meet the use requirements of the handset and camera, reducing the number of openings on the display cover 114, which is more conducive to the full screen development of.
  • the height of the end face of the lens module 104 toward the earpiece diaphragm 101 is smaller than the toroidal coil
  • the height of 102 facing the end face of the handset diaphragm 101, that is, the lens module 104 is located in the center hole of the toroidal coil 102, and the end face of the lens module 104 facing the handset diaphragm 101 is not exposed outside the center hole.
  • the toroidal coil 102 and the earpiece diaphragm 101 can be designed to contact and contact, or the interval between the toroidal coil 102 and the earpiece diaphragm 101
  • Two preset distances, where the second preset distance is greater than, equal to, or less than the first preset distance, and specific situations can be designed according to actual needs.
  • the initial state of the combined device may be selected as follows: the ring coil 102 and the earpiece diaphragm 101 are in contact with and in contact with each other.
  • the ring coil 102 may directly The audio signal drives the earpiece diaphragm 101 to vibrate, without having to control the ring coil 102 and the earpiece diaphragm 101 to come into contact with each other before the earpiece sounds to reduce the time delay.
  • the initial state of the combined device can also be selected as follows: the ring coil 102 and the earpiece diaphragm 101 are spaced a first preset distance, so that when the camera is started, the focus can be directly based on the focus driving signal of the motor drive circuit 108, and It is not necessary to first control the ring coil 102 to drive the lens module 104 to the initial focusing position of the lens module 104, to achieve fast focusing and reduce time delay.
  • the initial state of the combined device can also be selected as follows: the loop coil 102 is in a compromise position between the earpiece diaphragm 101 and the initial focus position of the lens module 104, and the specific situation can be designed according to actual needs.
  • the circuit control method further includes:
  • the toroidal coil 102 receives a first initial driving signal of the motor driving circuit 108 and moves a first preset distance away from the display cover 114 according to the first initial driving signal to form an initial focus position of the lens module 104.
  • the motor driving circuit 108 first gives a certain current (ie, the first initial driving signal) to the toroidal coil 102, pulls the toroidal coil 102 away from the handset diaphragm 101, and the ring coil 102 and the handset diaphragm 101
  • the motor driving circuit 108 sends a focus driving signal to the toroidal coil 102 again, and controls the toroidal coil 102 to drive the lens module 104 to move in a larger range to achieve focusing.
  • the circuit control method further includes:
  • the toroidal coil 102 receives the second initial driving signal of the motor driving circuit 108 and moves a third preset distance in a direction away from or close to the display cover 114 according to the second initial driving signal to form an initial focus position of the lens module 104.
  • the motor driving circuit 108 first gives a certain current (ie, the second initial driving signal) to the toroidal coil 102, so that the toroidal coil 102 drives the lens module 104 away from or near the display cover 114.
  • the motor driving circuit 108 sends a focus driving signal to the toroidal coil 102 again, and controls the toroidal coil 102 to drive the lens module 104 to move in a larger range to achieve focusing.
  • the loop coil 102 is controlled to drive the lens module 104 to move closer to the display cover 114; if the second preset distance is less than the first preset distance, then Controlling the loop coil 102 drives the lens module 104 to move away from the display screen cover 114; if the second preset distance is equal to the first preset distance, the loop coil 102 remains motionless.
  • the display of the mobile terminal is controlled to display the images collected by the lens module 104 to prevent the ring coil 102 from driving the lens module. While the group 104 is in the initial focus position, the image collected by the camera is displayed on the display screen, and the display image is unstable.
  • the circuit control method further includes:
  • the toroidal coil 102 receives the third initial driving signal of the audio circuit 107, and according to the third initial driving signal, moves to a direction close to the earpiece diaphragm 101, and abuts and contacts the earpiece diaphragm 101.
  • the audio circuit 107 first gives a certain current (ie, the third initial driving signal) to the toroidal coil 102, so that the toroidal coil 102 moves closer to the display cover 114, so that the toroidal coil 102 and the earpiece are moved.
  • the diaphragm 101 abuts and contacts.
  • the audio circuit 107 sends an audio signal to the toroidal coil 102, and controls the toroidal coil 102 to drive the handset diaphragm 101 to vibrate to achieve sound.
  • the lens module 104 includes a carrier 1041 fixedly connected to the ring coil 102 and a lens 1042 disposed on the carrier 1041, that is, the lens 1042 is fixedly connected to the ring coil 102 through the carrier 1041.
  • the ring coil 102 drives the lens 1042 to move toward or away from the display screen cover 114.
  • the combined device further includes: a first elastic piece 111 and / or a second elastic piece 112.
  • the first elastic piece 111 is disposed on a side of the lens module 104 facing the earpiece diaphragm 101
  • the second elastic piece 112 is disposed on a side of the lens module 104 facing away from the earpiece diaphragm 101.
  • the specific structural shapes of the first elastic piece 111 and the second elastic piece 112 can be selected according to actual needs, which is not limited in the embodiment of the present disclosure.
  • the first elastic sheet 111 and the second elastic sheet 112 can balance the electromagnetic force to adjust the moving position of the lens module 104, to achieve the fine-distance adjustment of the lens 1042, adjust the focus plane, and achieve a clear image.
  • the first shrapnel 111 can generate a force on the lens module 104 that is opposite to the movement direction of the lens module 104.
  • the second shrapnel 112 can also generate a force on the lens module 104 that is opposite to the moving direction of the lens module 104.
  • the electromagnetic force is balanced by the sum of the forces of the first shrapnel 111 and the second shrapnel 112 to prevent the lens module 104 from being excessive.
  • Moving toward the display screen cover 114 causes the toroidal coil 102 to come into contact with the handset diaphragm 101.
  • the first elastic piece 111 can generate a force on the lens module 104 opposite to the moving direction of the lens module 104, and the second elastic piece 112 also A force acting on the lens module 104 opposite to the moving direction of the lens module 104 may be generated to balance the electromagnetic force and prevent the lens module 104 from moving excessively away from the display cover 114.
  • the direction of the acting force of the first elastic piece 111 on the lens module 104 and the direction of the acting force of the second elastic piece 112 on the lens module 104 are not necessarily the same.
  • the state of the compression is determined. Specifically, which shrapnel is set in the combination device can also be selected according to actual needs.
  • the first elastic piece 111 and / or the second elastic piece 112 can also be used to better control the ring coil 102 and the earpiece diaphragm 101 to come into contact with each other.
  • the ring coil 102 and the earpiece diaphragm 101 can be kept in a state of contact and contact, or in the earphone working mode, the first shrapnel 111 Under the action of and / or the second elastic piece 112, the ring coil 102 and the earpiece diaphragm 101 can be continuously controlled to contact and contact with each other better.
  • the combined device further includes: a housing hooded on the lens module 104.
  • the housing protects the lens module 104, and at the same time, it also has a magnetic permeability effect, improving the effective use of the magnet 103 and preventing Magnetic leakage.
  • the housing has a lens through hole corresponding to the lens 1042 in the lens module 104, so as not to affect the lens 1042 to capture external images.
  • the combined device further includes: a bracket 113 which plays a supporting role.
  • the bracket 113 can carry other structures in the combined device, such as the magnet 103, the ring coil 102, the lens module 104, and the like.
  • the first elastic piece 111 is disposed between the lens module 104 and the housing.
  • the first elastic piece 111 may be fixedly connected to the lens module 104, or may be fixedly connected to the housing, and may be respectively connected to the lens module 104 and the lens module 104. Housing connection, the specific situation can be selected according to actual needs.
  • the first elastic piece 111 may be fixedly connected to the housing. In this way, when the lens module 104 moves up and down, it is not necessary to constantly move the first elastic piece 111 to reduce power consumption.
  • the second elastic piece 112 is disposed between the lens module 104 and the bracket 113, and the second elastic piece 112 can be fixedly connected to the lens module 104 or fixedly connected to the bracket 113, and can also be respectively connected to the lens module 104 and The bracket 113 is connected.
  • the specific situation can be selected according to actual needs.
  • the first elastic piece 111 and the bracket 113 may be fixedly connected. In this way, when the lens module 104 moves up and down, it is not necessary to continuously move the second elastic piece 112 to reduce power consumption.
  • the ring-shaped earpiece diaphragm 101 may be integrally formed; it may also be composed of two half-ring-shaped diaphragms 1011, as shown in FIG. 3, specifically, the earpiece diaphragm 101 includes: two A half-ring diaphragm 1011, two half-ring diaphragms 1011 are connected together through a connecting glass 1012.
  • the combined device can implement both the earpiece function and the camera function. Since the earpiece diaphragm 101 and the toroidal coil 102 are both annular, the lens module 104 can communicate with the earpiece through the toroidal coil 102 and the earpiece. The image is collected in the hole in the middle of the diaphragm 101. Therefore, only one functional hole needs to be opened in the display cover 114 to meet the use requirements of the handset and the camera, and the number of openings in the display cover 114 is reduced. Conducive to the development of full screen, the combined device can also reduce the occupation of the internal space of the mobile terminal.
  • a mobile terminal has a handset function and a camera function, including, but not limited to, a mobile phone, a tablet computer, a notebook computer, a palmtop computer, and a wearable device.
  • the mobile terminal includes a combination device and a display cover 114 as described above.
  • a through-hole 109 is defined in the display cover 114, and the handset diaphragm 101 in the combined device is disposed in the through-hole 109 and is connected to the display cover 114.
  • the through hole 109 is an annular through hole
  • the display screen cover 114 includes a light transmitting cover 1141 surrounded by the annular through hole and a cover body 1142 surrounding the annular through hole.
  • the translucent cover plate 1141 is disposed in a hole in the middle of the earpiece diaphragm 101, and the earpiece diaphragm 101 is connected to the translucent cover plate 1141 and the cover body 1142, respectively.
  • the transparent cover plate 1141 is disposed opposite to the lens module 104 and protects the lens module 104.
  • the mobile terminal further includes: a dustproof net 110 covering a side of the handset diaphragm 101 facing away from the ring coil 102.
  • the dustproof net 110 is used to prevent dust from entering the mobile terminal.
  • the dustproof net 110 is disposed in the through hole 109 on the display cover 114, and is connected to the inner wall of the through hole 109 and the outer wall of the transparent cover 1141, respectively, and is spaced from the handset diaphragm 101 to avoid Affects the vibration of the handset diaphragm 101 and generates noise.
  • the combined device in the mobile terminal can implement both the earpiece function and the camera function. Since the earpiece diaphragm 101 and the ring coil 102 are both annular, the lens module 104 can pass through The image is collected in the hole between the toroidal coil 102 and the earpiece diaphragm 101. Therefore, only one functional hole needs to be opened in the display cover 114, which can meet the use requirements of the earpiece and the camera, reducing the opening in the display cover 114 The number is more conducive to the development of the full screen, and the combined device can also reduce the occupation of the internal space of the mobile terminal.
  • first and second are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as “first” and “second” may explicitly or implicitly include one or more of the features. In the description of the present disclosure, the meaning of “plurality” is at least two, for example, two, three, etc., unless it is specifically and specifically defined otherwise.
  • the terms “installation,” “connected,” “connected,” and “fixed” should be understood broadly unless otherwise specified and limited. For example, they can be fixed or detachable. Or can be integrated; it can be mechanical, electrical, or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction between two elements.
  • installation should be understood broadly unless otherwise specified and limited. For example, they can be fixed or detachable. Or can be integrated; it can be mechanical, electrical, or can communicate with each other; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the internal connection of two elements or the interaction between two elements.
  • the specific meanings of the above terms in the present disclosure can be understood according to specific situations.
  • the "first" or “under” of the second feature may include the first and second features in direct contact, and may also include the first and second features. Not directly, but through another characteristic contact between them.
  • the first feature is “above”, “above”, and “above” the second feature, including that the first feature is directly above and obliquely above the second feature, or merely indicates that the first feature is higher in level than the second feature.
  • the first feature is “below”, “below”, and “below” of the second feature, including the fact that the first feature is directly below and obliquely below the second feature, or merely indicates that the first feature is less horizontal than the second feature.

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  • Telephone Set Structure (AREA)
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Abstract

本公开实施例提供了一种听筒与摄像头的组合装置及移动终端。其中，该组合装置包括：环形的听筒振膜，听筒振膜设置于移动终端的显示屏盖板上；对应设置于听筒振膜下方的环形线圈，环形线圈上连接有通电端子；围绕环形线圈设置的磁铁；位于环形线圈的中心孔内，并与环形线圈固定连接的镜头模组；与通电端子电连接的切换开关，切换开关还分别与音频电路和马达驱动电路电连接。

Description

听筒与摄像头的组合装置及移动终端
相关申请的交叉引用
本申请主张在2018年5月29日在中国提交的中国专利申请No.201810532539.X的优先权，其全部内容通过引用包含于此。
技术领域
本公开涉及通信技术领域，尤其涉及一种听筒与摄像头的组合装置及移动终端。
背景技术
相关技术中的一些能够接打电话和拍照的移动终端(如手机、平板电脑)中，一般都配置有听筒模组和摄像模组，而在移动终端的正面分别对应听筒模组和摄像模组，开设有一功能孔(即听筒孔和透光孔)。听筒孔是用于将听筒模组产生的声音传导出来，在用户贴近听筒孔的时候，可以进行声音的听取。透光孔是用于摄像模组中的感光芯片，能够通过该透光孔进行感光，以采集外界图像。无论是听筒孔还是透光孔都是不可缺少的功能孔。但在移动终端开设这两个功能孔，会占用一定的屏幕空间，对于移动终端的屏幕无孔化或者少孔化的全面屏发展趋势，这两个功能孔占用了相对比较大面积的屏幕空间，会影响全面屏的发展。
发明内容
本公开实施例提供了一种听筒与摄像头的组合装置及移动终端，以解决相关技术中，在移动终端的正面开设听筒孔和透光孔，占用屏幕空间的问题。
为了解决上述技术问题，本公开实施例是这样实现的：
第一方面，本公开实施例提供了一种听筒与摄像头的组合装置，包括：
环形的听筒振膜，所述听筒振膜设置于移动终端的显示屏盖板上；
对应设置于所述听筒振膜下方的环形线圈，所述环形线圈上连接有通电端子；
围绕所述环形线圈设置的磁铁；
位于所述环形线圈的中心孔内，并与所述环形线圈固定连接的镜头模组；
与所述通电端子电连接的切换开关，所述切换开关还分别与音频电路和马达驱动电路电连接；
其中，所述切换开关导通所述通电端子与音频电路电连接，所述环形线圈与所述听筒振膜相抵并接触；
或所述切换开关导通所述通电端子与所述马达驱动电路电连接，所述环形线圈与所述听筒振膜相分离。
第二方面，本公开实施例提供了一种移动终端，包括：如上所述的听筒与摄像头的组合装置，还包括：
显示屏盖板，所述显示屏盖板上开设有一通孔，所述听筒与摄像头的组合装置中的听筒振膜设置于所述通孔中，所述听筒振膜的外侧壁并与所述通孔的内侧壁连接。
本公开实施例中的听筒与摄像头的组合装置，既能够实现听筒功能，也能够实现摄像头功能，与相关技术中的听筒结构与摄像头结构分开设置的形式，该组合装置能够减少对移动终端内部空间的占用，同时，由于听筒振膜和环形线圈均是环形的，镜头模组可通过环形线圈与听筒振膜中间的孔采集图像，因此，在显示屏盖板上仅需开一个功能孔，即可满足听筒与摄像头的使用需求，减少了显示屏盖板上开孔的数量，更有利于全面屏的发展。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对本公开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公开的一些实施例，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他的附图。
图1表示本公开实施例提供的组合装置的示意图之一；
图2表示本公开实施例提供的组合装置的示意图之二；
图3表示本公开实施例提供的听筒振膜的示意图；
图4表示本公开实施例提供的移动终端的示意图之一；
图5表示本公开实施例提供的移动终端的示意图之二。
具体实施方式
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完成地描述，显然，所描述的实施例仅仅是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
依据本公开实施例的一个方面，提供了一种听筒与摄像头的组合装置(以下简称为组合装置)，应用于具有听筒功能和摄像功能的移动终端，该移动终端包括但不限于手机、平板电脑、笔记本电脑、掌上电脑以及可穿戴设备等。
如图1所示，该组合装置至少包括：环形的听筒振膜101、环形线圈102、磁铁103(如永磁铁1)、镜头模组104和切换开关106。
其中，听筒振膜101通过振动起到发声作用，其设置于移动终端的显示屏盖板114上，以便用户进行声音的听取，具体为：显示屏盖板114上开设有一通孔109，听筒振膜101设置于该通孔109中，如图5所示。
其中，环形线圈102对应设置于听筒振膜101下方，其上连接有通电端子105，用于音频电路107或摄像头马达驱动电路108电连接(以下简称马达驱动电路108)。
其中，镜头模组104用于采集外界图像，位于环形线圈102的中心孔内，与环形线圈102固定连接。本公开实施例中，镜头模组104与听筒振膜101中间的孔相对设置，这样镜头模组104可以通过听筒振膜101中间的孔，采集外界图像。
其中，磁铁103围绕环形线圈102设置，用于提供磁场环境，使线圈通电时可以产生一定方向的磁场力。具体为，线圈通电时，线圈产生的磁场发生变化，进而使磁铁103与线圈之间的磁力发生变化，从而使磁铁103与线圈之间的距离发生变化。
其中，切换开关106不仅与环形线圈102上的通电端子105电连接，还与音频电路107或马达驱动电路108电连接，用于使环形线圈102与音频电路107电连接或与马达驱动电路108电连接。
本公开实施例提供的组合装置既能够实现听筒功能，又能够实现摄像头功能，其工作原理如下所述：
在组合装置工作于听筒工作模式下时，切换开关106导通通电端子105与音频电路107，使环形线圈102与音频电路107电连接。其中，在听筒工作模式下时，环形线圈102与听筒振膜101相抵并接触，环形线圈102接收音频电路107的音频信号，根据该音频信号带动听筒振膜101进行发声，即该音频信号驱动环形线圈102小幅度运动，小幅度运动的环形线圈102又带动环形振膜振动，使环形振膜发声，而不同的电流产生不同的振动，从而使环形振膜发出不同的声音。需要说明的是，虽然环形线圈102与听筒振膜101并没有固定连接在一起，但是由于环形线圈102与听筒振膜101之间的振动只是小幅度振动，是十分微小的，因此，只需满足环形线圈102与听筒振膜101相抵并接触，即可保证环形线圈102与听筒振膜101的持续接触。
在组合装置工作于摄像头工作模式下时，切换开关106导通通电端子105与马达驱动电路108，使环形线圈102与马达驱动电路108电连接。其中，在摄像头工作模式下时，环形线圈102与听筒振膜101是相分离的，环形线圈102接收马达驱动电路108的对焦驱动信号，根据该对焦驱动信号，带动环形线圈102向靠近显示屏盖板114或远离显示屏盖板114的方向(即靠近听筒振膜101或远离听筒振膜101的方向)运动，由于镜头模组104固定于环形线圈102上，因此，在环形线圈102的带动下，镜头模组104同样会向靠近显示屏盖板114或远离显示屏盖板114的方向移动，从而实现对焦。需要说明的是，为了避免在对焦过程中，环形线圈102与听筒振膜101碰触，设计镜头模组104的初始对焦位置为：环形线圈102与听筒振膜101间隔第一预设距离，且镜头模组104的最近对焦距离(即靠近显示屏盖板114方向的最大对焦距离)不超过该第一预设距离，该第一预设距离可根据镜头模组104的对焦需求进行设计。
本公开实施例中，将听筒结构与摄像头结构组装在一起，形成本公开实施例中的组合装置，该组合装置既能够实现听筒功能，也能够实现摄像头功能，与相关技术中的听筒结构与摄像头结构分开设置的形式，该组合装置能够减少对移动终端内部空间的占用，同时，由于听筒振膜101和环形线圈102 均是环形的，镜头模组104可通过环形线圈102与听筒振膜101中间的孔采集图像，因此，在显示屏盖板114上仅需开一个功能孔，即可满足听筒与摄像头的使用需求，减少了显示屏盖板114上开孔的数量，更有利于全面屏的发展。
进一步地，本公开实施例中，为了确保环形线圈102在听筒工作模式下时能够充分的与听筒振膜101相抵并接触，使镜头模组104朝向听筒振膜101的端面的高度，小于环形线圈102朝向所述听筒振膜101的端面的高度，也就是镜头模组104处于环形线圈102的中心孔，且镜头模组104朝向听筒振膜101的端面不外露于该中心孔的外部。
进一步地，本公开实施例中，对于该组合装置的初始状态(即不通电状态)，可以设计环形线圈102与听筒振膜101相抵并接触，或环形线圈102与听筒振膜101之间间隔第二预设距离，其中，该第二预设距离大于、等于或小于第一预设距离，具体情况可根据实际需求设计。
本公开实施例中，该组合装置的初始状态可选为：环形线圈102与听筒振膜101相抵并接触，这样，在启动移动终端上的听筒工作时，环形线圈102可以直接根据音频电路107的音频信号，带动听筒振膜101振动，而不必先控制环形线圈102与听筒振膜101相抵并接触，再进行听筒发声，减小时延。当然也可以选择该组合装置的初始状态为：环形线圈102与听筒振膜101间隔第一预设距离，这样，在启动摄像头工作时，可以直接根据马达驱动电路108的对焦驱动信号进行对焦，而不必先控制环形线圈102带动镜头模组104移动到镜头模组104的初始对焦位置，实现快速对焦，减小时延。可以理解的是，还可以选择该组合装置的初始状态为：环形线圈102处于听筒振膜101和镜头模组104的初始对焦位置之间一个折中的位置，具体情况可根据实际需求设计。
其中，当该组合装置的初始状态(即不通电状态)为：环形线圈102与听筒振膜101相抵并接触时，在该环形线圈102接收马达驱动电路108的对焦驱动信号，根据对焦驱动信号带动镜头模组104向靠近或远离显示屏盖板114的方向移动进行对焦之前，该电路控制方法还包括：
环形线圈102接收马达驱动电路108的第一初始驱动信号，并根据该第 一初始驱动信号，向远离显示屏盖板114的方向移动第一预设距离，形成镜头模组104的初始对焦位置。
也就是，当启动摄像头工作时，马达驱动电路108首先会给一定电流(即第一初始驱动信号)到环形线圈102，拉动环形线圈102脱离听筒振膜101，在环形线圈102与听筒振膜101间隔第一预设距离时，停止拉动环形线圈102，并将当前位置记录为镜头模组104的初始对焦位置。在这之后，马达驱动电路108再发送对焦驱动信号至环形线圈102，控制环形线圈102带动镜头模组104较大幅度移动，实现对焦。
进一步地，当该组合装置的初始状态为：环形线圈102与听筒振膜101之间间隔第二预设距离时，在环形线圈102接收马达驱动电路108的对焦驱动信号，根据对焦驱动信号带动镜头模组104向靠近或远离显示屏盖板114的方向移动进行对焦之前，该电路控制方法还包括：
环形线圈102接收马达驱动电路108的第二初始驱动信号，根据第二初始驱动信号，向远离或靠近显示屏盖板114的方向移动第三预设距离，形成镜头模组104的初始对焦位置。
也就是，当启动摄像头工作时，马达驱动电路108首先会给一定电流(即第二初始驱动信号)到环形线圈102，使环形线圈102带动镜头模组104向远离或靠近显示屏盖板114的方向移动，在环形线圈102与听筒振膜101间隔第一预设距离时，停止环形线圈102的移动，并将当前位置记录为镜头模组104的初始对焦位置。在这之后，马达驱动电路108再发送对焦驱动信号至环形线圈102，控制环形线圈102带动镜头模组104较大幅度移动，实现对焦。
其中，若第二预设距离大于第一预设距离，则控制环形线圈102带动镜头模组104向靠近显示屏盖板114的方向移动；若第二预设距离小于第一预设距离，则控制环形线圈102带动镜头模组104向远离显示屏盖板114的方向移动；若第二预设距离等于第一预设距离，则环形线圈102保持不动。
其中，为了保证用户的使用体验，本公开实施例中，在镜头模组104处于初始对焦位置时，再控制移动终端的显示屏显示镜头模组104采集的图像，以避免环形线圈102带动镜头模组104处于初始对焦位置过程中，摄像头采 集的图像显示在显示屏上，出现显示画面不稳定的情况发生。
其中，当该组合装置的初始状态为：环形线圈102与听筒振膜101之间间隔第二预设距离时，在环形线圈102接收音频电路107的音频信号，根据音频信号带动听筒振膜101振动进行发声之前，该电路控制方法还包括：
环形线圈102接收音频电路107的第三初始驱动信号，根据第三初始驱动信号，向靠近听筒振膜101的方向移动，与听筒振膜101相抵并接触。
也就是，当启动听筒工作时，音频电路107首先会给一定电流(即第三初始驱动信号)到环形线圈102，使环形线圈102靠近显示屏盖板114的方向移动，使环形线圈102与听筒振膜101相抵并接触。在这之后，音频电路107再发送音频信号至环形线圈102，控制环形线圈102带动听筒振膜101振动，实现发声。
进一步地，如图1所示，该镜头模组104包括：与环形线圈102固定连接的载体1041和设置于载体1041上的镜头1042，也就是，镜头1042通过载体1041与环形线圈102固定连接，从而使环形线圈102带动镜头1042进行向靠近或远离显示屏盖板114的方向移动。
进一步地，如图2所示，该组合装置还包括：第一弹片111和/或第二弹片112。其中，第一弹片111设置于镜头模组104朝向听筒振膜101的一侧，第二弹片112设置于镜头模组104背离听筒振膜101的一侧。其中，第一弹片111和第二弹片112的具体结构形状，可根据实际需求选择，本公开实施例对此不进行限定。
其中，第一弹片111和第二弹片112能够起到平衡电磁力的作用，以调节镜头模组104的移动位置，达到对镜头1042的微距离调整，调整对焦平面，实现清晰影像的目的。例如，两个弹片都设置时，当镜头模组104向靠近显示屏盖板114的方向移动过程中，第一弹片111可以对镜头模组104产生与镜头模组104移动方向相反的作用力，而第二弹片112也可以对镜头模组104产生与镜头模组104移动方向相反的作用力，通过第一弹片111和第二弹片112的作用力之和平衡电磁力，避免镜头模组104过度向靠近显示屏盖板114的方向移动，导致环形线圈102与听筒振膜101相抵并接触。同样的，当镜头模组104向远离显示屏盖板114的方向移动过程中，第一弹片111可以对 镜头模组104产生与镜头模组104移动方向相反的作用力，而第二弹片112也可以对镜头模组104产生与镜头模组104移动方向相反的作用力，以平衡电磁力，避免镜头模组104过度向远离显示屏盖板114的方向移动。当然可以理解的是，第一弹片111对镜头模组104的作用力方向与第二弹片112对镜头模组104的作用力方向不一定要相同，具体情况，可根据两个弹片的拉伸或压缩的状态确定。而具体在组合装置中设置哪个弹片，也可根据实际需求选择。
其中，本公开实施例中，还可以借助第一弹片111和/或第二弹片112，更好地控制环形线圈102与听筒振膜101相抵并接触，例如，在组合装置的初始状态下时，在第一弹片111和/或第二弹片112的作用下，可以更好的使环形线圈102与听筒振膜101保持相抵并接触的状态，或是在听筒工作模式下时，在第一弹片111和/或第二弹片112的作用下，可以更好地控制环形线圈102与听筒振膜101持续相抵并接触。
其中，该组合装置还包括：罩设于镜头模组104上的壳体，该壳体对镜头模组104起到保护作用，同时其还具有导磁的作用，提高磁铁103的有效利用，防止漏磁。其中，该壳体上开设有一镜头通孔，与镜头模组104中的镜头1042相对应，以免影响镜头1042采集外界图像。
其中，如图2所示，该组合装置还包括：起到支撑作用的支架113。该支架113可以承载组合装置中的其他结构，如磁铁103、环形线圈102、镜头模组104等。
具体地，第一弹片111设置于镜头模组104与壳体之间，第一弹片111与可以与镜头模组104固定连接，也可以与壳体固定连接，还可以分别与镜头模组104和壳体连接，具体情况，可根据实际需求选择。本公开实施例可选第一弹片111与壳体固定连接，这样，镜头模组104上下移动时，不必一直带动第一弹片111运动，降低功耗。
具体地，第二弹片112设置于镜头模组104和支架113之间，第二弹片112与可以与镜头模组104固定连接，也可以与支架113固定连接，还可以分别与镜头模组104和支架113连接，具体情况，可根据实际需求选择。本公开实施例可选第一弹片111与支架113固定连接，这样，镜头模组104上下 移动时，不必一直带动第二弹片112运动，降低功耗。
进一步地，本公开实施例中，环形的听筒振膜101可以是一体成型的；也可以由两个半环形振膜1011组成，如图3所示，具体为：听筒振膜101包括：两个半环形振膜1011，两个半环形振膜1011通过连接玻璃1012连接在一起。
综上所述，本公开实施例提供的组合装置既能够实现听筒功能，也能够实现摄像头功能，由于听筒振膜101和环形线圈102均是环形的，镜头模组104可通过环形线圈102与听筒振膜101中间的孔采集图像，因此，在显示屏盖板114上仅需开一个功能孔，即可满足听筒与摄像头的使用需求，减少了显示屏盖板114上开孔的数量，更有利于全面屏的发展，同时该组合装置还能够减少对移动终端内部空间的占用。
依据本公开实施例的另一个方面，提供了一种移动终端，该移动终端具有听筒功能和摄像功能，包括但不限于手机、平板电脑、笔记本电脑、掌上电脑以及可穿戴设备等。
该移动终端包括：如上所述的组合装置和显示屏盖板114。
其中，如图4和图5所示，显示屏盖板114上开设有一通孔109，组合装置中的听筒振膜101设置于该通孔109中，与显示屏盖板114连接。
具体地，该通孔109为环形通孔，该显示屏盖板114包括：被该环形通孔围绕的透光盖板1141和围绕该环形通孔的盖板主体1142。
其中，该透光盖板1141设置于听筒振膜101中间的孔中，该听筒振膜101分别与透光盖板1141和盖板主体1142连接。该透光盖板1141与镜头模组104相对设置，对镜头模组104起到保护作用。
进一步地，如图5所示，该移动终端还包括：覆盖于听筒振膜101背离环形线圈102的侧面上的防尘网110。
该防尘网110用于防止灰尘进入到移动终端内部。其中，该防尘网110设置于显示屏盖板114上的通孔109中，分别与通孔109的内侧壁和透光盖板1141的外侧壁连接，并与听筒振膜101间隔设置，以免影响听筒振膜101振动，产生噪音。
综上所述，本公开实施例提供的移动终端中的组合装置，既能够实现听 筒功能，也能够实现摄像头功能，由于听筒振膜101和环形线圈102均是环形的，镜头模组104可通过环形线圈102与听筒振膜101中间的孔采集图像，因此，在显示屏盖板114上仅需开一个功能孔，即可满足听筒与摄像头的使用需求，减少了显示屏盖板114上开孔的数量，更有利于全面屏的发展，同时该组合装置还能够减少对移动终端内部空间的占用。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本公开的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
在本公开中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接或可以互相通讯；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本公开中的具体含义。
在本公开中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
本说明书中的各个实施例均采用递进的方式描述，每个实施例重点说明的都是与其他实施例的不同之处，各个实施例之间相同相似的部分互相参见即可。
尽管已描述了本公开实施例的可选的实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例做出另外的变更和修改。所以，所附权利要求意欲解释为包括可选的实施例以及落入本公开实施例范围的所有变更和修改。
最后，还需要说明的是，在本文中，诸如第一和第二等之类的关系术语仅仅用来将一个实体或者操作与另一个实体或操作区分开来，而不一定要求或者暗示这些实体或操作之间存在任何这种实际的关系或者顺序。而且，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者终端设备不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者终端设备所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括所述要素的过程、方法、物品或者终端设备中还存在另外的相同要素。

Claims (11)

  1. 一种听筒与摄像头的组合装置，包括：
    环形的听筒振膜(101)，所述听筒振膜设置于移动终端的显示屏盖板(114)上；
    对应设置于所述听筒振膜(101)下方的环形线圈(102)，所述环形线圈(102)上连接有通电端子(105)；
    围绕所述环形线圈(102)设置的磁铁(103)；
    位于所述环形线圈(102)的中心孔内，并与所述环形线圈(102)固定连接的镜头模组(104)；
    与所述通电端子(105)电连接的切换开关(106)，所述切换开关(106)还分别与音频电路(107)和马达驱动电路(108)电连接；
    其中，所述切换开关(106)导通所述通电端子(105)与音频电路(107)，所述环形线圈(102)与所述听筒振膜(101)相抵并接触；
    或所述切换开关(106)导通所述通电端子(105)与所述马达驱动电路(108)，所述环形线圈(102)与所述听筒振膜(101)相分离。
  2. 根据权利要求1所述的听筒与摄像头的组合装置，其中，在所述听筒与摄像头的组合装置处于初始状态下时，所述环形线圈(102)与所述听筒振膜(101)相抵并接触。
  3. 根据权利要求1所述的听筒与摄像头的组合装置，其中，所述听筒振膜(101)包括：两个半环形振膜(1011)，两个所述半环形振膜(1011)通过连接玻璃(1012)连接在一起。
  4. 根据权利要求1所述的听筒与摄像头的组合装置，其中，所述镜头模组(104)包括：
    与所述环形线圈固定连接的载体(1041)和设置于载体上的镜头(1042)。
  5. 根据权利要求1所述的听筒与摄像头的组合装置，还包括：设置于所述镜头模组(104)朝向所述听筒振膜(101)的一侧的第一弹片(111)和/或设置于所述镜头模组(104)背离所述听筒振膜(101)的一侧的第二弹片(112)。
  6. 根据权利要求5所述的听筒与摄像头的组合装置，还包括：罩设于所述镜头模组(104)上的壳体，所述壳体上开设有一镜头通孔。
  7. 根据权利要求6所述的听筒与摄像头的组合装置，还包括：承载所述磁铁(103)的支架(113)。
  8. 根据权利要求7所述的听筒与摄像头的组合装置，其中，所述第一弹片(111)设置于所述镜头模组(104)与所述壳体之间，所述第二弹片(112)设置于所述镜头模组(104)和所述支架(113)之间。
  9. 一种移动终端，包括：如权利要求1至8任一项所述的听筒与摄像头的组合装置，还包括：
    显示屏盖板(114)，所述显示屏盖板(114)上开设有一通孔(109)，所述听筒与摄像头的组合装置中的听筒振膜(101)设置于所述通孔(109)中，所述听筒振膜(101)与所述显示屏盖板(114)连接。
  10. 根据权利要求9所述的移动终端，其中，所述通孔(109)为环形通孔，所述显示屏盖板(114)包括：被所述环形通孔围绕的透光盖板(1141)和围绕所述环形通孔的盖板主体(1142)，所述听筒振膜(101)分别与所述透光盖板(1141)和所述盖板主体(1142)连接。
  11. 根据权利要求9所述的移动终端，还包括：覆盖于所述听筒振膜(101)背离所述环形线圈(102)的侧面上的防尘网(110)，所述防尘网(110)设置于通孔(109)中，与所述听筒振膜(101)间隔设置。
PCT/CN2019/088115 2018-05-29 2019-05-23 听筒与摄像头的组合装置及移动终端 WO2019228246A1 (zh)

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